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[/] [openrisc/] [trunk/] [gnu-stable/] [gcc-4.5.1/] [gcc/] [ChangeLog-2006] - Blame information for rev 859

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Line No. Rev Author Line
1 280 jeremybenn
2006-12-31  Richard Guenther  
2
 
3
        PR middle-end/30137
4
        * fold-const.c (fold_comparison): Fold comparison of addresses
5
        of components.
6
 
7
2006-12-31  Roger Sayle  
8
 
9
        PR middle-end/30322
10
        * fold-const.c (fold_binary): Fold X + ~X and ~X + X into -1 when
11
        we don't care about trapping overflow.  Only convert -A - 1 into ~A
12
        when we don't care about trapping overflow.
13
 
14
2006-12-31  Richard Guenther  
15
 
16
        PR middle-end/30338
17
        * fold-const.c (fold_binary): Fix type-mismatch in folding
18
        of -1 - A to ~A.
19
 
20
2006-12-30  Kazu Hirata  
21
 
22
        * tree-inline.c: Fix a comment typo.
23
 
24
2006-12-30  Jan Hubicka  
25
 
26
        * ipa-pure-const.c (check_operand): SSA_NAME is safe.
27
        * ipa-type-escape.c (scan_for_refs): Look into SSA_NAMEs.
28
 
29
2006-12-30  Jan Hubicka  
30
 
31
        * tree.h (DECL_CALL_CLOBBERED): Remove.
32
        (tree_decl_common): Remove call_clobbered flag.
33
        * tree-flow.h (struct var_ann_d): Add call_clobbered flag.
34
        * tree-ssa-alias.c (mark_non_addressable, reset_cc_flags): Update.
35
        * tree-flow-inline.h (is_call_clobbered, mark_call_clobbered,
36
        clear_call_clobbered): Update.
37
        * tree-ssa.c (verify_call_clobbering): Update.
38
 
39
2006-12-30  Jan Hubicka  
40
 
41
        * tree-ssa-alias.c (create_structure_vars): When in SSA, update operand
42
        caches.
43
        * tree-ssa-operands.c (build_ssa_operands): Recompute addresses_taken
44
        bitmap.
45
 
46
2006-12-30  Jan Hubicka  
47
            Vladimir Yanovsky 
48
 
49
        * emit-rt.c (emit_copy_of_insn_after): Fix bug causing exponential
50
        amount of copies of INSN_NOTEs list.
51
 
52
2006-12-29  Jan Hubicka  
53
 
54
        * cgraph.c (cgraph_expand_queue): Rename to...
55
        (cgraph_new_nodes): ... this one.
56
        (cgraph_state): New global variable.
57
        (cgraph_add_new_function): Work in more cases.
58
        * cgraph.h (cgraph_expand_queue): Rename to ...
59
        (cgraph_new_nodes): ... this one.
60
        (cgraph_state): New enum and static variable.
61
        (cgraph_add_new_function): Update prototype.
62
        (cgraph_process_new_functions): New.
63
        * omp-low.c (expand_omp_parallel): Update.
64
        * cgraphunit.c (initialize_inline_failed): Declare early.
65
        (cgraph_process_new_functions): New function.
66
        (cgraph_assemble_pending_functions): Use it.
67
        (cgraph_expand_all_functions): Use it.
68
        (cgraph_optimize): Use it; set cgraph_state.
69
        * passes.c (execute_one_pass, execute_ipa_pass_list): Process new
70
        functions
71
 
72
2006-12-29  Kazu Hirata  
73
 
74
        * tree-cfg.c (last_stmt_ptr): Remove.
75
        * tree-flow.h: Remove the prototype for last_stmt_ptr.
76
 
77
        * config/i386/i386.h (NON_QI_REG_P): Remove.
78
        * config/i386/predicates.md (non_q_regs_operand): Remove.
79
 
80
2006-12-29  Ian Lance Taylor  
81
 
82
        * c-common.c (c_define_builtins): New static function broken out
83
        of c_common_nodes_and_builtins.
84
        (c_common_nodes_and_builtins): Call c_define_builtins unless only
85
        doing preprocessing.
86
 
87
2006-12-29  Jan Hubicka  
88
 
89
        * tree-inline.c (remap_ssa_name): New function.
90
        (remap_decl): Update SSA datastructures for DECLs.
91
        (copy_body_r): Deal with SSA_NAMEs; add referenced global vars.
92
        (copy_bb): Set SSA_NAME def stmts.
93
        (update_ssa_acorss_eh_edges): New function.
94
        (copy_edge_for_bb): Call it; mark new vars for renaming.
95
        (copy_phis_for_bb): New function.
96
        (initialize_cfun): Break out from ...
97
        (copy_cfg_body): ... here; maintain AUX map for both directions;
98
        call SSA updating workers; do not produce copy of cfun to be copied.
99
        (setup_one_parameter): Do propagation across SSA form.
100
        (declare_return_variable): Work on SSA; use return_slot instead of
101
        address of return slot of argument to avoid folding back and forth.
102
        (expand_call_inline): Update SSA from on return values.
103
        (optimize_inline_calls): Do sanity checking, dead blocks removal,
104
        update SSA form.
105
        (tree_function_verioning): Update initialize_cfun.
106
 
107
2006-12-29  Marcin Dalecki  
108
 
109
        * doc/invoke.texi: Replace no longer supported -fno-strength-reduce
110
        with -fmerge-constants in sample code.
111
 
112
2006-12-28  Kazu Hirata  
113
 
114
        * Makefile.in (OBJS-common): Remove conflict.o
115
        (conflict.o): Remove.
116
        * basic-block.h: Remove the prototypes for conflict.c.
117
        * conflict.c: Remove.
118
 
119
2006-12-27  Daniel Berlin  
120
 
121
        * sbitmap.c (BITMAP_DEBUGGING): New macro.
122
        (do_popcount): Ditto.
123
        (sbitmap_verify_popcount): New function.
124
        (sbitmap_alloc): Set popcount to NULL, remove set of bytes
125
        member.
126
        (sbitmap_alloc_with_popcount): New function.
127
        (sbitmap_resize): Remove uses of bytes member and update
128
        popcount.
129
        (sbitmap_realloc): Remove uses of bytes member.
130
        (sbitmap_copy): Copy popcount.
131
        (sbitmap_copy_n): New function.
132
        (sbitmap_zero): Update popcount cache.
133
        (sbitmap_ones): Ditto.
134
        (sbitmap_a_and_b): Ditto.
135
        (sbitmap_a_or_b): Ditto.
136
        (sbitmap_a_xor_b): Ditto.
137
        (sbitmap_union_of_diff_cg): Assert non-existence of popcount
138
        cache.
139
        (sbitmap_union_of_diff): Ditto.
140
        (sbitmap_not): Ditto.
141
        (sbitmap_difference): Ditto.
142
        (sbitmap_a_and_b_cg): Ditto.
143
        (sbitmap_a_xor_b_cg): Ditto.
144
        (sbitmap_a_or_b_cg): Ditto.
145
        (sbitmap_a_or_b_and_c_cg): Ditto.
146
        (sbitmap_a_and_b_or_c_cg): Ditto.
147
        (sbitmap_intersection_of_succs): Ditto.
148
        (sbitmap_intersection_of_preds): Ditto.
149
        (sbitmap_union_of_succs): Ditto.
150
        (sbitmap_union_of_preds): Ditto.
151
        (popcount_table): New.
152
        (sbitmap_elt_popcount): New function.
153
        (sbitmap_popcount): Ditto.
154
 
155
        * sbitmap.h (sbitmap): Remove bytes member.
156
        Add popcount member.
157
        (SET_BIT): Macro turned into function.
158
        (RESET_BIT): Ditto.
159
        (SBITMAP_SIZE_BYTES): New macro.
160
        (sbitmap_free): Free popcount too.
161
        (sbitmap_alloc_with_popcount): New prototype.
162
        (sbitmap_copy_n): Ditto.
163
        (sbitmap_verify_popcount): Ditto.
164
 
165
2006-12-27  Ian Lance Taylor  
166
 
167
        PR debug/26964
168
        * dwarf2out.c (gen_type_die): Don't write out a DIE for
169
        ENUMERAL_TYPE if it was already written out.
170
 
171
2006-12-26  Kaveh R. Ghazi  
172
 
173
        PR middle-end/29335
174
        * builtins.c (do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3,
175
        do_mpfr_sincos): Ensure target base equals two.
176
 
177
2006-12-26  Kazu Hirata  
178
 
179
        * tree-ssa-operands.c: Fix a comment typo.
180
 
181
2006-12-25  Kazu Hirata  
182
 
183
        * tree-vectorizer.h (VECT_SMODULO): Remove.
184
 
185
2006-12-24  Andreas Tobler  
186
 
187
        * config/pa/pa.c: Remove heap vector type defines.
188
 
189
2006-12-24  Jan Hubicka  
190
 
191
        * tree-ssa-operands.h (struct ssa_operand_memory_d):
192
        add ssa_operand_mem_size.
193
        * tree-ssa-operands.c (operands_bitmap_obstack): New.
194
        (ssa_operand_mem_size): Remove.
195
        (init_ssa_operands): Initialize obstack; use it.
196
        (fini_ssa_operands): Release obstack.
197
        (ssa_operand_alloc): Update.
198
        (finalize_ssa_vdefs, finalize_ssa_vuse_ops, copy_virtual_operands,
199
        get_mpt_for): Use obstack.
200
        * tree-ssa.c (delete_tree_ssa): Call fini_ssa_operands.
201
        * tree-outof-ssa.c: (remove_ssa_form): Don't call it here.
202
 
203
2006-12-24  Jan Hubicka  
204
 
205
        * tree-mudflap.c (ml_decl_cache_locals, md_build_check_statement_for):
206
        add newly referenced vars.
207
 
208
2006-12-24  Kazu Hirata  
209
 
210
        * basic-block.h: Remove the prototype for
211
        expected_value_to_br_prob.
212
        * rtl.h: Remove the prototypes for expand_builtin_expect_jump
213
        and purge_line_number_notes.
214
 
215
2006-12-23  Zdenek Dvorak 
216
 
217
        * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne,
218
        assert_no_overflow_lt, assert_loop_rolls_lt,
219
        number_of_iterations_lt, number_of_iterations_le,
220
        number_of_iterations_cond, number_of_iterations_exit):
221
        Use integer_zerop/integer_nonzerop instead of
222
        null_or_integer_zerop/nonnull_and_integer_nonzerop.
223
        * tree.h (null_or_integer_zerop, nonnull_and_integer_nonzerop):
224
        Removed.
225
        * tree-scalar-evolution.c (simple_iv): Return zero for step of
226
        an invariant.
227
        * tree-ssa-loop-ivopts.c (alloc_iv): Do not set step of invariants
228
        to zero.
229
        (get_iv): Return NULL for non-scalar types.  Use zero as a step
230
        of an invariant.
231
        (determine_biv_step, find_interesting_uses_op,
232
        find_interesting_uses_cond, find_interesting_uses_stmt,
233
        add_old_ivs_candidates, determine_use_iv_cost_condition,
234
        rewrite_use_compare, remove_unused_ivs):
235
        Use integer_zerop instead of null_or_integer_zerop.
236
        (struct ifs_ivopts_data): Replace step_p field with step field.
237
        (idx_find_step): Use zero as a step of an invariant.  Modify
238
        step instead of *step_p.
239
        (find_interesting_uses_address): Use zero as a step of an invariant.
240
        Use integer_zerop instead of null_or_integer_zerop.
241
        (find_interesting_uses_outside): Call find_interesting_uses_op only
242
        for phi nodes for real operands.
243
        (add_candidate_1): Expect step to be non-NULL.
244
        * tree-ssa-loop-prefetch.c (idx_analyze_ref): Expect step to be
245
        non-NULL.
246
 
247
2006-12-23  Andrew Pinski  
248
 
249
        * vec.c: Don't include tree.h.
250
        * Makefile.in (vec.o): Update dependencies.
251
        (build/vec.o): Likewise.
252
 
253
2006-12-23  Kazu Hirata  
254
 
255
        * common.opt (flag_force_mem): Remove.
256
        * doc/invoke.texi (-fforce-mem): Remove.
257
        * opts.c (common_handle_option): Don't handle OPT_fforce_mem.
258
 
259
        * Makefile.in (final.o): Depend on vecprim.h.
260
        * final.c: Include vecprim.h.
261
        (insn_addresses_): Change the type to VEC(int,heap)*.
262
        * insn-addr.h (INSN_ADDRESSES_DEFN): Remove.
263
        (INSN_ADDRESSES, INSN_ADDRESSES_ALLOC, INSN_ADDRESSES_SIZE,
264
        INSN_ADDRESSES_NEW): Use VEC instead of VARRAY.
265
 
266
2006-12-23  Marcin Dalecki  
267
 
268
        * cgraphunit.c (cgraph_optimize): Fixed obvious thinko in memory
269
        consumption reporting.
270
 
271
2006-12-23  Manuel Lopez-Ibanez  
272
 
273
        PR middle-end/7651
274
        * c.opt (Wmissing-parameter-type): New.
275
        * doc/invoke.texi (Wmissing-parameter-type): Document it.
276
        (Wextra): Enabled by -Wextra.
277
        * c-opts.c (c_common_post_options): Enabled by -Wextra.
278
        * c-decl.c (store_parm_decls_oldstyle): Replace Wextra with
279
        Wmissing-parameter-type.
280
 
281
2006-12-23  Eric Botcazou  
282
 
283
        * dwarf2out.c (dbx_reg_number): Do leaf register remapping
284
        only if the function is leaf.
285
        (multiple_reg_loc_descriptor): Likewise.
286
 
287
2006-12-23  Kazu Hirata  
288
 
289
        * rtl.h (NOTE_EXPECTED_VALUE): Remove.
290
 
291
2006-12-23  Jan Hubicka  
292
 
293
        * toplev.c (dump_memory_report): Break out from...
294
        (finalize): Here.
295
        * toplev.h (dump_memory_report): Declare.
296
        (cmp_statistic): Rename to ...
297
        (final_cmp_statistic): ... this one
298
        (cmp_statistic): New.
299
        (dump_ggc_loc_staitsitcs): New FINAL parpameter.
300
        * common.opt (-fpre-ipa-mem-report, -fpost-ipa-mem-report): Declare.
301
        * varray.c (dump_varray_staitiscs): Do not segfault when no varray was
302
        allocated so far.
303
        * cgraphunit.c (cgraph_optimize): Dump the memory reports.
304
 
305
2006-12-22  Mike Stump  
306
 
307
        * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): Add
308
        -mmacosx-version-min=10.4.
309
        (crt2.o): Add $(DARWIN_EXTRA_CRT_BUILD_CFLAGS).
310
 
311
2006-12-23  Jan Hubicka  
312
 
313
        * tree-flow-inline.h (var_ann): External variable annotations are
314
        unshared too.
315
        (tree_common_ann): Handle correctly unshared variables annotations.
316
        * tree-dfa.c (create_var_ann): External variable annotations are
317
        unshared too.
318
 
319
2006-12-22  Kazu Hirata  
320
 
321
        * basic-block.h: Remove the prototype for
322
        commit_edge_insertions_watch_calls.
323
        * cfgrtl.c (commit_edge_insertion): Drop the last argument.
324
        Simplify.
325
        (commit_edge_insertions_watch_calls): Remove.
326
        (commit_edge_insertions): Adjust the call to
327
        commit_one_edge_insertion.
328
 
329
2006-12-22  Zdenek Dvorak 
330
 
331
        * tree-ssa-loop-niter.c (zero_p, nonzero_p): Removed.
332
        (number_of_iterations_ne, number_of_iterations_lt_to_ne,
333
        assert_no_overflow_lt, assert_loop_rolls_lt,
334
        number_of_iterations_lt, number_of_iterations_le,
335
        number_of_iterations_cond, tree_simplify_using_condition_1,
336
        number_of_iterations_exit, find_loop_niter, loop_niter_by_eval,
337
        implies_nonnegative_p, implies_ge_p, record_nonwrapping_iv,
338
        idx_infer_loop_bounds, n_of_executions_at_most, scev_probably_wraps_p):
339
        Do not use zero_p/nonzero_p.
340
        * tree-ssa-loop-manip.c (determine_exit_conditions): Ditto.
341
        * tree-ssa-loop-ivopts.c (niter_for_exit, determine_biv_step,
342
        find_interesting_uses_op, find_interesting_uses_cond,
343
        find_interesting_uses_address, find_interesting_uses_stmt,
344
        strip_offset_1, add_candidate_1, add_old_ivs_candidates,
345
        difference_cost, determine_use_iv_cost_condition,
346
        rewrite_use_compare, remove_unused_ivs): Ditto.
347
        * tree-ssa-address.c (tree_mem_ref_addr, create_mem_ref_raw): Ditto.
348
        * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
349
        * tree-cfg.c (find_taken_edge_cond_expr): Ditto.
350
        * tree.h (zero_p): Declaration removed.
351
        (null_or_integer_zerop, nonnull_and_integer_nonzerop): New.
352
 
353
2006-12-22  Manuel Lopez-Ibanez  
354
 
355
        PR middle-end/7651
356
        * c.opt (Wclobbered): New.
357
        * doc/invoke.texi (Wclobbered): Document it.
358
        (Wextra): Enabled by -Wextra.
359
        * c-opts.c (c_common_post_options): Enabled by -Wextra.
360
        * flow.c (rest_of_handle_life): Replace Wextra with Wclobbered.
361
        * function.c (setjmp_vars_warning): Only warn for Wclobbered.
362
        (setjmp_args_warning): Likewise.
363
 
364
2006-12-22  Kazu Hirata  
365
 
366
        * config/elfos.h, config/spu/spu.c, tree-ssa-operands.h,
367
        tree-ssa-ter.c: Fix comment typos.
368
 
369
2006-12-22  Paolo Bonzini  
370
 
371
        PR rtl-optimization/29840
372
 
373
        * fwprop.c (forward_propagate_into): Reject artificial uses/defs.
374
        (fwprop_init): Add DF_HARD_REGS to df_init call.
375
 
376
2006-12-21  Andrew Pinski  
377
 
378
        * tree-nested.c (create_tmp_var_for): Check for vector type
379
        when setting DECL_GIMPLE_REG_P.
380
 
381
2006-12-21  Roger Sayle  
382
 
383
        * tree-pretty-print.c (dump_generic_node): Avoid outputing "(void) 0;"
384
        as the else branch of a COND_EXPR.
385
 
386
2006-12-22  Kazu Hirata  
387
 
388
        * cgraphunit.c, config/i386/i386.c, config/ia64/ia64.c, cse.c,
389
        output.h, toplev.c, tree-affine.h, tree-flow.h,
390
        tree-ssa-alias.c, tree-ssa-coalesce.c, tree-ssa-live.c,
391
        tree-ssa-live.h, tree-ssa-operands.c, tree-ssa-ter.c,
392
        tree-vrp.c, varpool.c: Fix comment typos.
393
 
394
        * cgraphunit.c, varpool.c: Fix comment typos.
395
 
396
2006-12-22  Ulrich Weigand  
397
 
398
        * config/spu/spu.h (ARG_POINTER_CFA_OFFSET): Define.
399
        * config/spu/spu.c (spu_expand_prologue): Set RTX_FRAME_RELATED_P
400
        for insn setting up the frame pointer.  Do not set it for insns
401
        setting up scratch registers or storing the backchain.
402
 
403
2006-12-21  Eric Botcazou  
404
 
405
        PR other/29639
406
        * configure.ac (HAVE_LD_EH_GC_SECTIONS): Check that exception tables
407
        are kept for .gnu.linkonce.t sections if COMDAT groups are disabled.
408
        * configure: Regenerate.
409
 
410
2006-12-21  Joseph Myers  
411
 
412
        * rtlanal.c (subreg_get_info): Do not make register size
413
        computations for mode sizes not divisible by the number of
414
        registers.
415
 
416
2006-12-21  Daniel Berlin  
417
 
418
        * tree-ssa-structalias.c (build_constraint_graph): Insert complex
419
        offsetted constraints into rhsvar, not lhsvar.
420
 
421
2006-12-21  Jakub Jelinek  
422
 
423
        PR middle-end/30262
424
        PR middle-end/30263
425
        * tree-nested.c (walk_asm_expr): New function.
426
        (walk_stmts): Use it for ASM_EXPR.
427
 
428
        PR target/30230
429
        * config/ia64/ia64.c (ia64_add_bundle_selector_before): New function.
430
        (bundling): Use it.
431
 
432
2006-12-21  Nathan Sidwell  
433
 
434
        PR target/28966
435
        PR target/29248
436
        * reload1.c (reload): Realign stack after it changes size.
437
 
438
2006-12-20  Roger Sayle  
439
 
440
        * simplify-rtx.c (simplify_subreg): Use the correct mode when
441
        determining whether a SUBREG of a CONCAT refers to the first or
442
        second component.
443
 
444
2006-12-21  Ben Elliston  
445
 
446
        * config/spu/spu.c (spu_builtin_mul_widen_even): Remove unused
447
        local variable `d'.
448
 
449
2006-12-20  Jan Hubicka  
450
 
451
        * tree-dfa.c (add_referenced_var): Walk initializers of
452
        non-constant/readonly static vars.
453
 
454
2006-12-20  Jan Hubicka  
455
 
456
        * tree-flow-inline.h (gimple_var_anns): New function.
457
        (var_ann): Use hashtable for static functions.
458
        * tree-dfa.c (create_var_ann): Likewise.
459
        * tree-ssa.c (var_ann_eq, var_ann_hash): New functions.
460
        (init_tree_ssa): Initialize var anns.
461
        (delete_tree_ssa): Delete var anns; also clear out gimple_df.
462
        * tree-flow.h (struct static_var_ann_d): New structure.
463
        (gimple_df): Add var_anns.
464
 
465
2006-12-20  Carlos O'Donell  
466
 
467
        PR bootstrap/30242
468
        * gcc/c-incpath.c (add_standard_paths): Only relocate paths that
469
        begin with the configured prefix.
470
 
471
2006-12-20  Jan Hubicka  
472
 
473
        PR target/30213
474
        * i386.c (expand_setmem_epilogue): Fix formating.
475
        (dsmalest_pow2_greater_than): New function.
476
        (ix86_expand_movmem): Improve comments; avoid re-computing of
477
        epilogue size.
478
        (promote_duplicated_reg_to_size): Break out from ...
479
        (expand_setmem): ... this one; reorganize promotion code;
480
        improve comments; avoid recomputation of epilogue size.
481
 
482
2006-12-20  Andrew Pinski  
483
 
484
        PR middle-end/30143
485
        * omp-low.c (init_tmp_var): New function.
486
        (save_tmp_var): New function.
487
        (lower_omp_1): Use them for VAR_DECL.
488
 
489
2006-12-20  Andrew Pinski  
490
 
491
        * tree-gimple.c (is_gimple_min_invariant): Treat constant vector
492
        CONSTRUCTORs as min invariants.
493
 
494
2006-12-20  Joseph Myers  
495
 
496
        * rtlanal.c (struct subreg_info, subreg_get_info, subreg_nregs):
497
        New.
498
        (subreg_regno_offset, subreg_offset_representable_p): Change to
499
        wrappers about subreg_get_info.
500
        (refers_to_regno_p, reg_overlap_mentioned_p): Use subreg_nregs.
501
        * rtl.h (subreg_nregs): Declare.
502
        * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING): Update to refer to
503
        subreg_get_info.
504
        * caller-save.c (mark_set_regs, add_stored_regs): Use
505
        subreg_nregs.
506
        * df-scan.c (df_ref_record): Use subreg_nregs.
507
        * flow.c (mark_set_1): Use subreg_nregs.
508
        * postreload.c (move2add_note_store): Use subreg_nregs.
509
        * reload.c (decompose, refers_to_regno_for_reload_p,
510
        reg_overlap_mentioned_for_reload_p): Use subreg_nregs.
511
        * resource.c (update_live_status, mark_referenced_resources,
512
        mark_set_resources): Use subreg_nregs.
513
 
514
2006-12-20  Zdenek Dvorak 
515
 
516
        * loop-unswitch.c (unswitch_loop): Update arguments of
517
        duplicate_loop_to_header_edge call.
518
        * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Ditto.
519
        * loop-unroll.c (peel_loop_completely, unroll_loop_constant_iterations,
520
        unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
521
        Ditto.
522
        * cfgloopmanip.c (loop_version): Ditto.
523
        (duplicate_loop_to_header_edge): Change
524
        type of to_remove to VEC(edge), remove n_to_remove argument.
525
        * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge):
526
        Change type of to_remove to VEC(edge), remove n_to_remove argument.
527
        (tree_unroll_loop): Update arguments of
528
        tree_duplicate_loop_to_header_edge call.
529
        * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge):
530
        Change type of to_remove to VEC(edge), remove n_to_remove argument.
531
        * cfghooks.h (struct cfg_hooks): Type of
532
        cfg_hook_duplicate_loop_to_header_edge changed.
533
        (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
534
        * cfgloop.h (duplicate_loop_to_header_edge): Ditto.
535
        * tree-flow.h (tree_duplicate_loop_to_header_edge): Ditto.
536
 
537
2006-12-20  Dorit Nuzman  
538
 
539
        * config/spu/spu.md (vec_widen_umult_hi_v8hi): New.
540
        (vec_widen_umult_lo_v8hi, vec_widen_smult_hi_v8hi): New.
541
        (vec_widen_smult_lo_v8hi): New.
542
        * config/spu/spu.c (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
543
        (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
544
        (spu_builtin_mul_widen_even, spu_builtin_mul_widen_odd): New.
545
 
546
2006-12-20  Jan Hubicka  
547
 
548
        * cgraph.c: Update overall comment; fix vertical spacing.
549
        * ipa-inline.c (cgraph_decide_inlining): Remove now redundant check.
550
 
551
2006-12-20  Jan Hubicka  
552
 
553
        * cgraph.h (FOR_EACH_STATIC_VARIABLE, FOR_EACH_STATIC_INITIALIZER): New
554
        macros.
555
        (varpool_first_static_initializer, varpol_next_static_initializer): New
556
        inline functions.
557
        * ipa-reference.c (analyze_variable): Simplify.
558
        (static_execute): Use FOR_EACH_STATIC_INITIALIZER.
559
        * ipa-type-escape.c (type_escape_execute): Use FOR_EACH_STATIC_VARIABLE.
560
 
561
2006-12-19  Andrew Pinski  
562
 
563
        PR tree-opt/30045
564
        * tree-vrp.c (nonnull_arg_p): Treat the static decl as always
565
        non null.
566
 
567
2006-12-20  Ben Elliston  
568
 
569
        * doc/invoke.texi (Optimize Options): Typo fix.
570
 
571
2006-12-19  Eric Christopher  
572
 
573
        * config/darwin.c (machopic_select_section): Rewrite.
574
        (darwin_text_section): New.
575
        (darwin_rodata_section): Ditto.
576
        (darwin_mergeable_string_section): Ditto.
577
        (darwin_mergeable_constant_section): Ditto.
578
        * config/darwin-sections.def: Add SECTION_STRINGS for cstring_section.
579
 
580
2006-12-19  Steve Ellcey  
581
 
582
        * config/pa/pa64-hpux.h (ASM_OUTPUT_EXTERNAL):  Add undef.
583
 
584
2006-12-19  Paolo Bonzini  
585
 
586
        PR bootstrap/29544
587
        * gcc/Makefile.in (STAGE1_CHECKING): Rename to...
588
        (STAGE1_CHECKING_CFLAGS): ... this.
589
 
590
2006-12-18  Andrew Pinski  
591
 
592
        PR target/29779
593
        * config/rs6000/rs6000.c (altivec_init_builtins): Change to set
594
        READONLY on __builtin_altivec_mask_for_load instead of adding
595
        the attribute.
596
 
597
2006-12-18  Roger Sayle  
598
            Eric Christopher  
599
 
600
        PR target/29302
601
        * real.c (real_maxval): Correctly handle IBM extended double format.
602
 
603
2006-12-19  Jan Hubicka  
604
 
605
        * expmed.c (expand_mult_const): Force operand to constant.
606
        * rs6000.c (rs6000_emit_set_const, rs6000_emit_set_long_const): Add
607
        copy_rtx to arguments.
608
 
609
2006-12-19  Ben Elliston  
610
 
611
        * config/spu/spu.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
612
 
613
2006-12-19  Ben Elliston  
614
 
615
        * cse.c (cse_insn): Fix formatting.
616
 
617
2006-12-18  Geoffrey Keating  
618
 
619
        * doc/invoke.texi (Debugging Options): Document -g0.
620
        * config/darwin.h (LINK_COMMAND_SPEC): Replace -gnone with -g0.
621
        * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
622
 
623
2006-12-18  Ian Lance Taylor  
624
 
625
        * c.opt (Wmissing-declarations): Add C++ and ObjC++.
626
        * doc/invoke.texi (Warning Options): -Wmissing-declarations now
627
        works for C++.
628
 
629
2006-12-18  Andrew MacLeod  
630
 
631
        * tree-ssa-operands.h (struct vdef_optype_d): Rename to voptype_d.
632
        (struct vuse_optype_d): Delete.
633
        (SSA_OPERAND_MEMORY_SIZE): Delete.
634
        (struct ssa_operand_memory_d): Change mem array to size one.
635
        (NUM_VOP_FREE_BUCKETS): Define.
636
        (free_vuses, free_vdefs): Replace with vop_free_buckets array.
637
        (vdef_ops, vuse_ops, struct ssa_operand_iterator_d): Use voptype_d type.
638
        * tree-pretty-print.c (dump_vops): Use voptype_d type.
639
        * tree-ssa-operands.c (vop_free_bucket_size): New.  Number of operands
640
        which fit into a chunk of memory from a specific bucket.
641
        (vop_free_bucket_index): New.  Find correct size memory bucket.
642
        (init_vop_buckets): New.  Initialize VOP free memory buckets.
643
        (add_vop_to_freelist): New.  Add a VOP to the correct free list.
644
        (ssa_operand_mem_size): New.  Current size of an operand memory chunk.
645
        (init_ssa_operands): Initialize operand memory and free lists.
646
        (fini_ssa_operands): Remove references to free_vuses and free_vdefs.
647
        (ssa_operand_alloc): Use graduated size memory allocation.
648
        (APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
649
        INITIALIZE_USE): Remove.
650
        (alloc_vop): New.  Allocate a virtual operand.
651
        (alloc_vdef, alloc_vuse): Delete.
652
        (add_def_op, add_use_op): Directly setup pointers.
653
        (add_vop): New.  Add a virtual operand.
654
        (add_vuse_op, add_vdef_op): Call add_vop.
655
        (realloc_vop): New.  Reallocate a virtual operand.
656
        (realloc_vdef, realloc_vuse): Call realloc_vop.
657
        (finalize_ssa_def_ops): Delete.  Move content to finalize_ssa_defs.
658
        (finalize_ssa_defs): Optimize for common case, remove code based on
659
        sorted pointers which was a waste of time.
660
        (finalize_ssa_use_ops): Delete.  Move content to finalize_ssa_uses.
661
        (finalize_ssa_uses): Update last pointer.
662
        (finalize_ssa_vdef_ops): Delete.  Move content to finalize_ssa_vdefs.
663
        (finalize_ssa_vdefs, finalize_ssa_vuse_ops): Use voptype_d and
664
        directly manipulate pointers.
665
        (copy_virtual_operands): Use voptype_d, and no need to update pointers.
666
 
667
2006-12-18  Nathan Sidwell  
668
 
669
        * config/rs6000/rs6000.md (*movdf_hardfloat32): Use %X format to
670
        determine if memory operand is an indexed address or not.
671
 
672
2006-12-17  Steven Bosscher  
673
 
674
        * cselib.c (struct cselib_val_struct): Make val_rtx its
675
        own field, remove the union that contained it.
676
        * cselib.c: Update accordingly where necessary.
677
 
678
2006-12-17  Steven Bosscher  
679
 
680
        * cse.c (have_eh_succ_edges): New function.
681
        (cse_insn): Don't remove dead EH edges here
682
        (cse_extended_basic_block): Do it here.
683
        (rest_of_handle_cse, rest_of_handle_cse2): Don't assert
684
        that we have removed all dead edges.
685
 
686
2006-12-17  Matthias Klose  
687
 
688
        PR libstdc++/11953
689
        * gcc/config/mips/linux.h (SUBTARGET_CPP_SPEC): Extend.
690
 
691
2006-12-17  Steven Bosscher  
692
 
693
        * cse.c (cse_find_path): Don't wrap a gcc_assert in ENABLE_CHECKING.
694
        (cse_extended_basic_block): When truncating a path while processing
695
        it, make sure to clear the visited bit on the basic blocks in the
696
        truncated part of the path.
697
        (cse_main): Use reverse completion order, not DFS order, to walk
698
        the CFG.
699
        (gate_handle_cse): Revert erroneous commit of a counter.
700
 
701
2006-12-17  Steven Bosscher  
702
 
703
        * cse.c (this_insn_cc0, this_insn_cc0_mode): New global
704
        variables, moved out from cse_insn.
705
        (prev_insn): Remove this global variable).
706
        (new_basic_block): Don't set it.
707
        (cse_insn): Idem. Also, move code to delete unused CC0-setter
708
        insns and code to set prev_insn_cc0 and prev_insn_cc0_mode
709
        from here...
710
        (cse_extended_basic_block): ...to here.  Do not clear
711
        prev_insn_cc0 until after recording equivalences from jumps.
712
 
713
2006-12-16  Jan Hubicka  
714
 
715
        * cgraphunit.c (ipa_passes): Clear current_function_decl.
716
 
717
2006-12-16  Andreas Tobler  
718
 
719
        * passes.c (verify_curr_properties): Define only for ENABLE_CHECKING.
720
 
721
2006-12-16  Jan Hubicka  
722
 
723
        * omp-low.c (expand_omp_parallel): Set function properties.
724
        * function.h (struct function): Add curr_properties and last_verified.
725
        * passes.c (register_dump_files): Do not set TODO_set_props for the
726
        first pass
727
        (init_optimization_passes): Set it here; reorder initialization so the
728
        dump files appear in more logical order.
729
        (last_verified, curr_properties): Kill.
730
        (do_per_function): New function.
731
        (execute_function_todo): Break out from ...
732
        (execute_todo): ... here; handle per-function flags.
733
        (clear_last_verified, verify_curr_properties,
734
        update_properties_after_pass): New functions.
735
        (execute_one_pass): Handle per-function properties.
736
        (execute_ipa_pass_list): Use do_per_function; sanity check that cfun
737
        and current_function_decls are cleared out.
738
        * ipa-cp.c (constant_val_insert): Clear cfun/current_function_decl
739
        after use.
740
 
741
2006-12-16  Manuel Lopez-Ibanez  
742
 
743
        PR middle-end/7651
744
        * c.opt (Wempty-body): New.
745
        * doc/invoke.texi (Wempty-body): Document it.
746
        (Wextra): Enabled by -Wextra.
747
        * c-opts.c (c_common_post_options): Enabled by -Wextra.
748
        * c-common.c (empty_body_warning): Replace Wextra with Wempty-body.
749
        * c-parser.c (c_parser_c99_block_statement): Likewise.
750
 
751
2006-12-15  Jakub Jelinek  
752
 
753
        PR target/30185
754
        * config/rs6000/rs6000.md (div3): Use correct mode in
755
        force_reg call.
756
 
757
2006-12-15  Andrew Pinski  
758
 
759
        PR tree-opt/30140
760
        * tree-inline.c (setup_one_parameter): Gimplify the statement if
761
        the variable is not a gimple register variable.
762
 
763
2006-12-15  Uros Bizjak  
764
 
765
        * invoke.texi (mstringop-strategy): Add missing "byte_loop" value.
766
 
767
2006-12-14  Jan Hubicka  
768
 
769
        * tree-flow.h (struct stmt_ann_d): Move bitfield references_memory
770
        to proper place.
771
 
772
2006-12-14  Richard Guenther  
773
 
774
        PR tree-optimization/30197
775
        * builtins.c (fold_builtin_cexp): New function to fold cexp
776
        to cexpi and exp parts.
777
        * tree-ssa-pre.c (try_combine_conversion): Also handle
778
        REALPART_EXPR and IMAGPART_EXPR.
779
 
780
2006-12-14  Richard Guenther  
781
 
782
        PR middle-end/30172
783
        * fold-const.c (fold_binary): Fold __complex__ ( x, 0 )
784
        + __complex__ ( 0, y ) to __complex__ ( x, y ).
785
        Fold __complex__ (x, y) * +-I to __complex__ (-+y, +-x).
786
 
787
2006-12-14  Richard Guenther  
788
 
789
        PR tree-optimization/30198
790
        * fold-const.c (fold_unary): Fold REALPART_EXPR of cexpi to cos.
791
        Fold IMAGPART_EXPR of cexpi to sin.
792
 
793
2006-12-14  Dorit Nuzman  
794
            Trevor Smigiel  
795
 
796
        * spu.c (TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD): Defined.
797
        (spu_init_builtins): Mark the SPU_MASK_FOR_LOAD builtin decl as read
798
        only.
799
        (spu_expand_builtin_1): Handle the SPU_MASK_FOR_LOAD builtin.
800
        (spu_builtin_mask_for_load): New.
801
        * spu-builtins.def (SPU_MASK_FOR_LOAD): Define new builtin.
802
        * spu.md (UNSPEC_SPU_REALIGN_LOAD, UNSPEC_SPU_MASK_FOR_LOAD):New.
803
        (vec_realign_load_, spu_lvsr): New.
804
 
805
2006-12-13  Ian Lance Taylor  
806
 
807
        PR c++/19564
808
        PR c++/19756
809
        * c-typeck.c (parser_build_binary_op): Move parentheses warnings
810
        to warn_about_parentheses in c-common.c.
811
        * c-common.c (warn_about_parentheses): New function.
812
        * c-common.h (warn_about_parentheses): Declare.
813
        * doc/invoke.texi (Warning Options): Update -Wparentheses
814
        description.
815
 
816
2006-12-13  Zdenek Dvorak 
817
 
818
        * tree-ssa-loop-ivopts.c: Include tree-affine.h.
819
        (divide): Removed.
820
        (constant_multiple_of): Fix order of operators for division.
821
        (aff_combination_const, aff_combination_elt, aff_combination_scale,
822
        aff_combination_add_elt, aff_combination_add, aff_combination_convert,
823
        tree_to_aff_combination, add_elt_to_tree, unshare_aff_combination,
824
        aff_combination_to_tree): Moved to tree-affine.c and made to work with
825
        double_int coefficients.
826
        (get_computation_aff, get_computation_at): Work with double_int
827
        coefficients.
828
        (get_computation_cost_at): Do not use divide.
829
        (rewrite_use_nonlinear_expr, rewrite_use_address, rewrite_use_compare):
830
        Assert that expressing the computation did not fail.
831
        * tree-ssa-address.c: Include tree-affine.h.
832
        (add_to_parts, most_expensive_mult_to_index, addr_to_parts,
833
        create_mem_ref): Work with double_int coefficients.
834
        * tree-affine.c: New file.
835
        * tree-affine.h: New file.
836
        * tree-flow.h (struct affine_tree_combination): Removed.
837
        * Makefile.in (tree-affine.o): Add.
838
        (tree-ssa-address.o, tree-ssa-loop-ivopts.o): Add tree-affine.h
839
        dependency.
840
 
841
2006-12-13  Peter Bergner  
842
 
843
        PR middle-end/30191
844
        Revert:
845
        * reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
846
        the offset == 0 "then" clauses.
847
        * config/rs6000/predicates.md (gpc_reg_operand): Check for
848
        reload_in_progress.
849
 
850
2006-12-13  Uros Bizjak  
851
 
852
        * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 53.
853
        (FIXED_REGISTERS, CALL_USED_REGISTERS): Remove dir register.
854
        (REG_ALLOC_ORDER): Remove one element due to removal of dir register.
855
        (FRAME_POINTER_REGNUM): Update register number to 20.
856
        (REG_CLASS_CONTENTS): Update contents due to removed dir register.
857
        (HI_REGISTER_NAMES): Remove "dirflag".
858
 
859
        * config/i386/i386.c (regclass_map): Remove dirflag entry.
860
        (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
861
        Remove "dir" entry.
862
        (ix86_md_asm_clobbers): Remove "dirflag" default asm clobber.
863
 
864
        * config/i386/i386.md (R10_REG, R11_REG): Renumber.
865
        (sse_prologue_save, *sse_prologue_save_insn): Renumber
866
        hardcoded SSE register numbers.
867
 
868
        * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
869
        hardcoded MMX register numbers.
870
 
871
 
872
2006-12-13  Mark Shinwell  
873
 
874
        * config/arm/arm.c (arm_output_fldmx): Output FLDMD instead of
875
        FLDMX.  Rename function to...
876
        (vfp_output_fldmd): ...this.
877
        (vfp_output_fstmx): Output FSTMD instead of FSTMX.  Rename
878
        function to...
879
        (vfp_output_fstmd): ...this.
880
        (vfp_emit_fstmx): Don't leave space in the frame layout for the
881
        FSTMX format word.  Rename function to...
882
        (vfp_emit_fstmd): ...this.
883
        (arm_get_vfp_saved_size): Don't add in space for the FSTMX format
884
        word.
885
        (arm_output_epilogue): Adjust comment to reflect use of FSTMD.
886
        (arm_unwind_emit_sequence): Don't compensate for the FSTMX format
887
        word.  Also emit "vsave" assembler directives in such cases rather
888
        than "save".
889
        * config/arm/libunwind.S (gnu_Unwind_Restore_VFP,
890
        gnu_Unwind_Save_VFP): Adjust comments.
891
        (gnu_Unwind_Restore_VFP_D, gnu_Unwind_Save_VFP_D): New functions
892
        for saving and restoring using FSTMD and FLDMD rather than
893
        FSTMX and FLDMX.
894
        (gnu_Unwind_Restore_VFP_D_16_to_31, gnu_Unwind_Restore_VFP_D_16_to_31):
895
        New functions for saving and restoring the VFPv3 registers 16 .. 31.
896
        * config/arm/pr-support.c (gnu_unwind_execute): Add conditional
897
        compilation case to correctly handle unwind opcode 0xc8 when using
898
        VFP.
899
        * config/arm/unwind-arm.c (struct vfpv3_regs): New.
900
        (DEMAND_SAVE_VFP_D, DEMAND_SAVE_VFP_V3): New flags.
901
        (__gnu_Unwind_Save_VFP_D, __gnu_Unwind_Restore_VFP_D,
902
        __gnu_Unwind_Save_VFP_D_16_to_31, __gnu_Unwind_Restore_VFP_D_16_to_31):
903
        Declare.
904
        (restore_non_core_regs): Restore registers using FLDMD rather than
905
        FLDMX if required.  Also handle restoration of VFPv3 registers.
906
        (_Unwind_VRS_Pop): Handle saving and restoring of registers using
907
        FSTMD and FLDMD if required; also handle VFPv3 registers 16 .. 31,
908
        including cases where the caller specifies a range of registers
909
        that overlaps the d15/d16 boundary.
910
 
911
2006-12-13  Diego Novillo  
912
 
913
        PR 30089
914
        * tree-ssa-operands.h (SSA_OPERAND_MEMORY_SIZE): Add space to
915
        accomodate 511 operands.
916
 
917
2006-12-13  Richard Guenther  
918
 
919
        * builtins.c (expand_builtin_cexpi): Fix typo.
920
 
921
2006-12-13  Jan Hubicka  
922
 
923
        * Makefile.in: Add dependencies.
924
        * tree-pretty-print.c: Include value-prof.h
925
        (dump_generic_bb_buff): Dump histograms
926
        * value-prof.c: Include pointer-set.h
927
        (gimple_alloc_histogram_value, histogram_hash, histogram_eq,
928
        set_histogram_value, gimple_histogram_value,
929
        gimple_add_histogram_value, gimple_remove_histogram_value,
930
        gimple_histogram_value_of_type, dump_histogram_value,
931
        dump_histograms_for_stmt, gimple_remove_stmt_histograms,
932
        gimple_duplicate_stmt_histograms, visit_hist,
933
        verify_histograms): New functions.
934
        (tree_value_profile_transformations): Update for new histogram API.
935
        (tree_divmod_fixed_value): Update for new histogram API.
936
        (tree_divmod_fixed_value_transform): Update for new histogram API.
937
        (tree_mod_pow2): Update for new histogram API.
938
        (tree_mod_pow2_value_transform): Update for new histogram API.
939
        (tree_mod_subtract): Update for new histogram API.
940
        (tree_mod_subtract_transform): Update for new histogram API.
941
        (tree_stringops_transform): Update for new histogram API.
942
        (tree_divmod_values_to_profile): Update for new histogram API.
943
        (tree_stringops_values_to_profile): Update for new histogram API.
944
        (tree_find_values_to_profile): Update for new histogram API.
945
        * value-prof.h (gimple_histogram_value): Declare.
946
        (gimple_histogram_value_of_type): Declare.
947
        (gimple_add_histogram_value): Declare.
948
        (gimple_remove_histogram_value): Declare.
949
        (dump_histograms_for_stmt): Declare.
950
        (gimple_remove_histogram_value): Declare.
951
        (gimple_remove_stmt_histograms): Declare.
952
        (gimple_duplicate_stmt_histograms): Declare.
953
        (verify_histograms): Declare.
954
        * function.h
955
        (struct funrction): Add value_histograms hash.
956
        (VALUE_HISTOGRAMS): New macro.
957
        * profile.c (compute_value_histograms): update for new API.
958
        * tree-inline.c: Include value-prof.h
959
        (copy_bb): Update histograms.
960
        * tree-flow.h (struct stmt_ann_d): Do not contain pointer to histograms;
961
        reorder to get smaller memory layout.
962
        * tree-cfg.c: Include value-prof.h
963
        (bsi_remove): Update histograms.
964
        (bsi_replace): Update histograms.
965
        (verify_stmts): Call histogram verifier.
966
        (tree_duplicate_bb): Update histograms.
967
        (move_block_to_fn): Update histograms.
968
 
969
2006-12-13  Richard Guenther  
970
 
971
        * ipa-inline.c (cgraph_flatten_node): Replace leafify with
972
        flatten.
973
        (cgraph_decide_inlining): Likewise.
974
 
975
2006-12-13  Richard Guenther  
976
 
977
        PR tree-optimization/17687
978
        * builtins.def (BUILT_IN_CEXPI, BUILT_IN_CEXPIF, BUILT_IN_CEXPIL):
979
        New builtins for imaginary argument cexp.
980
        * builtin-types.def (BT_FN_COMPLEX_FLOAT_FLOAT,
981
        BT_FN_COMPLEX_DOUBLE_DOUBLE, BT_FN_COMPLEX_LONGDOUBLE_LONGDOUBLE):
982
        New required builtin types.
983
        * builtins.c (expand_builtin_cexpi): Declare.
984
        (mathfn_built_in): Handle BUILT_IN_CEXPI.
985
        (expand_builtin_cexpi): New static helper.
986
        (expand_builtin): Call it.
987
        (do_mpfr_sincos): Adjust for CEXPI evaluation.
988
        (fold_builtin_sincos): New function to fold sincos to cepxi.
989
 
990
2006-12-13  Richard Guenther  
991
 
992
        * ipa-reference.c (scan_for_static_refs): Also scan
993
        tcc_comparison class trees.
994
 
995
2006-12-12 David Daney  
996
 
997
        * config/mips/mips.h (ASM_OUTPUT_EXTERNAL): Undefine it before
998
        define.
999
 
1000
2006-12-12  Andrew Pinski  
1001
 
1002
        * tree-vect-transform.c (vect_permute_load_chain):
1003
        Set DECL_GIMPLE_REG_P to true for the vect_perm_*
1004
        temp variables.
1005
 
1006
2006-12-13  Sa Liu  
1007
            Ben Elliston  
1008
 
1009
        * config/spu/spu.h (C_COMMON_OVERRIDE_OPTIONS): Define.
1010
        (REGISTER_TARGET_PRAGMAS): Don't zero warn_main flag.
1011
        * config/spu/spu-protos.h (spu_c_common_override_options):
1012
        Declare.
1013
        * config/spu/spu-c.c (spu_c_common_override_options): New.
1014
        * config/spu/spu.c (spu_override_options): Whitespace fix.
1015
 
1016
2006-12-12  Trevor Smigiel  
1017
 
1018
        * config/spu/spu.c (cpat_info): Fix an incorrectly identified case.
1019
 
1020
2006-12-12  Geoffrey Keating  
1021
 
1022
        * mips-tdump.c: Replace CROSS_COMPILE with
1023
        CROSS_DIRECTORY_STRUCTURE.
1024
        * mips-tfile.c: Likewise.
1025
        * gcc.c: Likewise.
1026
        * configure.ac: Likewise.
1027
        * cppdefault.c: Likewise.
1028
        * Makefile.in: Likewise.
1029
        * config/alpha/osf.h: Likewise.
1030
        * config/i386/cygwin.h: Likewise.
1031
        * config/i386/beos-elf.h: Likewise.
1032
        * config/i386/nto.h: Likewise.
1033
        * config/fr30/fr30.h: Likewise.
1034
        * config/svr4.h: Likewise.
1035
        * config/rs6000/aix.h: Likewise.
1036
        * config/rs6000/sysv4.h: Likewise.
1037
        * config/pa/pa64-hpux.h: Likewise.
1038
        * config/pa/pa-hpux10.h: Likewise.
1039
        * config/pa/pa-hpux11.h: Likewise.
1040
        * collect2.c: Likewise.
1041
        * configure: Regenerate.
1042
 
1043
        * doc/tm.texi (Alignment Output): Document that ASM_OUTPUT_SKIP
1044
        actually takes an unsigned HOST_WIDE_INT for its second parameter.
1045
 
1046
2006-12-13  Ulrich Weigand  
1047
 
1048
        * config/spu/spu.c (TARGET_ENCODE_SECTION_INFO): Define.
1049
        (spu_encode_section_info): New.
1050
        * config/spu/spu.h (ALIGNED_SYMBOL_REF_P): Adjust.
1051
        (SYMBOL_FLAG_ALIGN1): New.
1052
 
1053
2006-12-12  Andrew Pinski  
1054
 
1055
        PR tree-opt/28624
1056
        * tree-ssa-dom.c (eliminate_degenerate_phis): Use a temporary
1057
        bitmap for EXECUTE_IF_SET_IN_BITMAP.
1058
 
1059
2006-12-12  Andrew Pinski  
1060
 
1061
        PR tree-opt/28436
1062
        * tree.h (DECL_COMPLEX_GIMPLE_REG_P): Rename to ...
1063
        (DECL_GIMPLE_REG_P): This.
1064
        * fold-const.c (fold_indirect_ref_1): Fold *(foo *)&vectorfoo into
1065
        using BIT_FIELD_REF.
1066
        * omp-low.c (omp_copy_decl_2): Use the renamed DECL_GIMPLE_REG_P.
1067
        * tree-gimple.c (is_gimple_reg): Use the renamed DECL_GIMPLE_REG_P
1068
        and check for VECTOR_TYPE.
1069
        * expr.c (get_inner_reference): Set the mode for BIT_FIELD_REF with
1070
        vector types.
1071
        * tree-flow-inline.h (var_can_have_subvars): Use the renamed
1072
        DECL_GIMPLE_REG_P.
1073
        * gimplify.c (internal_get_tmp_var): Use the renamed DECL_GIMPLE_REG_P
1074
        and check for VECTOR_TYPE.
1075
        (gimplify_bind_expr): Likewise.
1076
        (gimplify_function_tree): Likewise.
1077
        * expmed.c: Include target.h.
1078
        (extract_bit_field): For vector mode, try find a better mode first.
1079
        If that fails use gen_lowpart (for vectors only).
1080
        * tree-dfa.c (make_rename_temp): Use the renamed DECL_GIMPLE_REG_P
1081
        and check for VECTOR_TYPE.
1082
        * tree-ssa-pre.c (create_expressions_by_pieces): Likewise.
1083
        (insert_into_preds_of_block): Likewise.
1084
        (insert_fake_stores): Create gimple register store_tmps for
1085
        vector types.
1086
        * tree-sra.c (sra_elt): New field, is_vector_lhs.
1087
        (sra_walk_expr ): For vector types that
1088
        are the left hand side, set the element's is_vector_lhs to true.
1089
        (instantiate_element): For vector types which were on the left
1090
        hand size, set DECL_GIMPLE_REG_P to false.
1091
        * tree-nested.c (create_tmp_var_for): Use the renamed
1092
        DECL_GIMPLE_REG_P.
1093
        * tree-inline.c (declare_return_variable):  Use the renamed
1094
        DECL_GIMPLE_REG_P and check for VECTOR_TYPE.
1095
        (copy_decl_to_var):  Use the renamed DECL_GIMPLE_REG_P.
1096
        (copy_result_decl_to_var): Likewise.
1097
        * tree-vect-transform.c (vect_get_new_vect_var): For vector types,
1098
        create a gimple register variable.
1099
        (vect_permute_store_chain): Set DECL_GIMPLE_REG_P to true for the
1100
        vect_inter_* temp variables.
1101
        * Makefile.in (expmed.o): Update dependencies.
1102
 
1103
2006-12-12  Peter Bergner  
1104
 
1105
        * reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
1106
        the offset == 0 "then" clauses.
1107
        * config/rs6000/predicates.md (gpc_reg_operand): Check for
1108
        reload_in_progress.
1109
 
1110
2006-12-12  Marcin Dalecki  
1111
 
1112
        * doc/passes.texi: remove docs about "redundant PHI removal".
1113
        * tree-pass.h: remove orphaned declaration of pass_redundant_phi,
1114
        remove redundant pass_partition_blocks declaration.
1115
 
1116
2006-12-12  Andrew Macleod  
1117
 
1118
        PR tree-optimization/30159
1119
        * tree-ssa-coalesce.c (coalesce_ssa_name): Process single ssa_name
1120
        functions in case a default_def coalesce is required.
1121
 
1122
2006-12-12  Jakub Jelinek  
1123
 
1124
        PR libstdc++/11953
1125
        * gthr-posix.h (_REENTRANT): Only define if __osf__ is defined.
1126
 
1127
        * config/ia64/linux.h (CPP_SPEC): Define.
1128
        * config/s390/linux.h (CPP_SPEC): Define.
1129
 
1130
2006-12-12  Jim Wilson  
1131
            Jakub Jelinek  
1132
 
1133
        PR rtl-optimization/27761
1134
        * combine.c (try_combine): Don't create a useless garbage SET
1135
        if PATTERN (i2) is a PARALLEL.  If added_sets_1, save
1136
        PATTERN (i1) resp. SET from i1src to i1dest in i1pat
1137
        and use it to prevent accidental modification of i1src.
1138
 
1139
2006-12-12  Ira Rosen  
1140
 
1141
        * tree-vect-analyze.c (vect_analyze_data_ref_access): Add another check
1142
        for stores with gaps.
1143
        * tree-vect-transform.c (vect_permute_store_chain): Create
1144
        interleave_high or interleave_low according to the endianess.
1145
 
1146
2006-12-12  Richard Guenther  
1147
 
1148
        PR middle-end/30147
1149
        * fold-const.c (fold_read_from_constant_string): Only fold read
1150
        from constant string if the result type is integer.
1151
 
1152
2006-12-12  Olivier Hainque  
1153
 
1154
        * config/rs6000/t-vxworks: Remove assignment to LIB2FUNCS_EXTRA.
1155
 
1156
2006-12-12  Olivier Hainque  
1157
 
1158
        * config/vxlib.c: Extract tls related routines into ...
1159
        * config/vxlib-tls.c: New file.
1160
        * config/t-vxworks: Add vxlib-tls.c to LIB2FUNCS_EXTRA.
1161
 
1162
2006-12-12  Sa Liu  
1163
            Ben Elliston  
1164
 
1165
        * config/spu/spu.opt (mfixed-range): New option.
1166
        * config/spu/spu.h (spu_fixed_range_string): Declare.
1167
        * config/spu/spu.c (spu_override_options): Handle -mfixed-range.
1168
        (fix_range): New function.
1169
        * doc/invoke.texi (SPU Options): Document -mfixed-range.
1170
        * testsuite/gcc.target/spu/fixed-range.c: New.
1171
        * testsuite/gcc.target/spu/fixed-range-bad.c: Ditto.
1172
 
1173
2006-12-11  H.J. Lu  
1174
 
1175
        PR middle-end/17982
1176
        PR middle-end/20218
1177
        * cgraphunit.c (cgraph_optimize): Remove call to
1178
        process_pending_assemble_externals.
1179
 
1180
        * config/elfos.h (ASM_OUTPUT_EXTERNAL): New.
1181
 
1182
        * config/ia64/hpux.h (TARGET_ASM_FILE_END): Removed.
1183
 
1184
        * config/ia64/ia64.c (ia64_asm_output_external): Rewritten.
1185
        (ia64_hpux_add_extern_decl): Removed.
1186
        (ia64_hpux_file_end): Likewise.
1187
        (extern_func_list): Likewise.
1188
        (extern_func_head): Likewise.
1189
 
1190
        * output.h (assemble_external): Update comments.
1191
        (default_elf_asm_output_external): New.
1192
        (maybe_assemble_visibility): New.
1193
 
1194
        * toplev.c (compile_file): Update comment.
1195
 
1196
        * varasm.c (assemble_external): Always put it on
1197
        pending_assemble_externals.
1198
        (maybe_assemble_visibility): Make it extern and return int.
1199
        (default_elf_asm_output_external): New.
1200
 
1201
2006-12-11  Daniel Berlin  
1202
 
1203
        * tree-ssa-structalias.c (handle_ptr_arith): Return false when we
1204
        can't handle the pointer arithmetic.
1205
 
1206
2006-12-11  Diego Novillo  
1207
 
1208
        * doc/tree-ssa.texi: Update documentation for virtual operands
1209
        and the use of push_stmt_changes/pop_stmt_changes.
1210
        * doc/invoke.texi: Remove documentation for params
1211
        global-var-threshold.
1212
        Update documentation on max-aliased-vops.
1213
 
1214
        * tree-into-ssa.c: Cleanup comments, variables and
1215
        spacing in various functions.
1216
        (regs_to_rename): Declare.
1217
        (mem_syms_to_rename): Declare.
1218
        (dump_update_ssa): Declare.
1219
        (debug_update_ssa): Declare.
1220
        (dump_names_replaced_by): Declare.
1221
        (debug_names_replaced_by): Declare.
1222
        (dump_def_blocks): Declare.
1223
        (debug_def_blocks): Declare.
1224
        (dump_defs_stack): Declare.
1225
        (debug_defs_stack): Declare.
1226
        (dump_currdefs): Declare.
1227
        (debug_currdefs): Declare.
1228
        (mark_def_sites): Do not handle virtual operands.
1229
        (compute_idf): Rename from find_idf.  Update users.
1230
        (register_new_def): Make local.  Convert second argument
1231
        to 'tree'.
1232
        Use BLOCK_DEFS_STACK directly.
1233
        If pushing a non-register, also push the underlying
1234
        symbol.
1235
        (rewrite_stmt): Do not handle virtual operands.
1236
        (dump_tree_ssa): Call dump_def_blocks, dump_defs_stack,
1237
        dump_currdefs and dump_tree_ssa_stats.
1238
        (dump_tree_ssa_stats): Also dump REPL_TBL.
1239
        (replace_use): Remove.  Update all users to call SET_USE
1240
        instead.
1241
        (rewrite_blocks): Move code to free memory to
1242
        fini_ssa_renamer.
1243
        (mark_def_site_blocks): Move initialization code to
1244
        init_ssa_renamer.
1245
        (init_ssa_renamer): New.
1246
        (fini_ssa_renamer): New.
1247
        (rewrite_into_ssa): Call them.
1248
        (prepare_block_for_update): Process SSA_OP_ALL_USES first
1249
        and SSA_OP_ALL_DEFS later.  Do not process virtual
1250
        operands separately.
1251
        (dump_update_ssa): Call dump_decl_set.
1252
        (init_update_ssa): Initialize regs_to_rename and
1253
        mem_syms_to_rename.
1254
        Call init_ssa_renamer.
1255
        (delete_update_ssa): Call fini_ssa_renamer.
1256
        Free blocks_with_phis_to_rewrite.
1257
        (mark_sym_for_renaming): If the variable has
1258
        sub-variables, also mark them.
1259
        If the variable belongs to a partition, also mark it.
1260
        (mark_set_for_renaming): Call mark_sym_for_renaming on
1261
        every symbol in the set.
1262
        (switch_virtuals_to_full_rewrite): Call
1263
        mark_set_for_renaming.
1264
        (update_ssa): Separate syms_to_rename into regs_to_rename
1265
        and mem_syms_to_rename.
1266
 
1267
        * tree-dump.c (dump_options): Add TDF_MEMSYMS.
1268
        * tree-pretty-print.c (debug_generic_expr): Add TDF_MEMSYMS.
1269
        (debug_generic_stmt): Likewise.
1270
        (debug_tree_chain): Likewise.
1271
        (dump_symbols): New.
1272
        (dump_generic_node): Check for TDF_MEMSYMS.
1273
        Handle MEMORY_PARTITION_TAG.
1274
        If the statement references memory and TDF_MEMSYMS is
1275
        given, call dump_symbols.
1276
        Indicate default names with (D).
1277
        (dump_vops): Update for new virtual operator format.
1278
 
1279
        * tree.c (init_ttree): Add MEMORY_PARTITION_TAG to
1280
        tree_contains_struct.
1281
        (tree_code_size): Handle MEMORY_PARTITION_TAG.
1282
        (tree_node_structure): Likewise.
1283
        (needs_to_live_in_memory): Handle SSA names.
1284
        * tree.h (MTAG_P): Likewise.
1285
        (struct tree_memory_partition_tag): Declare.
1286
        (MPT_SYMBOLS): Define.
1287
        (union tree_node): Add field 'mpt'.
1288
        * treestruct.def (TS_MEMORY_PARTITION_TAG): Define.
1289
        * tree.def (MEMORY_PARTITION_TAG): Define.
1290
 
1291
        * tree-pass.h (TDF_MEMSYMS): Define.
1292
 
1293
        * params.h (GLOBAL_VAR_THRESHOLD): Remove.
1294
 
1295
        * tree-ssa-alias.c: Include pointer-set.h
1296
        (struct alias_map_d): Remove fields total_alias_vops,
1297
        grouped_p and may_aliases.  Update all users.
1298
        (struct mp_info_def): Declare.
1299
        (mp_info_t): New type.
1300
        (get_smt_for): Rename from get_tmt_for.  Update all
1301
        users.
1302
        (add_may_alias): Add argument ALREADY_ADDED.  If given,
1303
        use it to avoid adding duplicate entries to alias sets.
1304
        (replace_may_alias): Remove.  Update all users.
1305
        (total_alias_vops_cmp): Remove.  Update all users.
1306
        (group_aliases_into): Remove.  Update all users.
1307
        (tree_pointer_compare): Remove.  Update all users.
1308
        (compact_name_tags): Remove.  Update all users.
1309
        (group_aliases): Remove.  Update all users.
1310
        (mark_non_addressable): Move from tree-flow-inline.h.
1311
        Remove the symbol from the partition holding it, if
1312
        needed.
1313
        (dump_mp_info): New.
1314
        (debug_mp_info): New.
1315
        (sort_mp_info): New.
1316
        (create_partition_for): New.
1317
        (rewrite_alias_set_for): New.
1318
        (compute_memory_partitions): New.
1319
        (compute_may_aliases): Call it.
1320
        (init_alias_info): If computing aliases for the first
1321
        time, mark every memory symbol for renaming.
1322
        (have_common_aliases_p): New.
1323
        (compute_flow_insensitive_aliasing): Call it.
1324
        (setup_pointers_and_addressables): Do not cache
1325
        num_referenced_vars.
1326
        For register promoted symbols, mark their former
1327
        partition for renaming.
1328
        (maybe_create_global_var): Only create .GLOBAL_VAR if
1329
        there are no call-clobbered variables and a mix of pure
1330
        and non-pure functions were found.
1331
        (may_alias_p): Tidy comments.
1332
        (create_tag_raw): Remove unused variable new_type.
1333
        (dump_alias_info): call dump_memory_partitions.
1334
        (dump_points_to_info_for): Call dump_decl_set.
1335
        (may_be_aliased): Tidy comments and formatting.
1336
 
1337
        * timevar.def (TV_MEMORY_PARTITIONING): Define.
1338
        * tree-vectorizer.c (vect_memsyms_to_rename): Rename from
1339
        vect_vnames_to_rename.  Set DECL_UIDs instead of SSA name
1340
        versions in it.
1341
        (slpeel_update_phi_nodes_for_guard1): Ignore memory PHIs.
1342
        * tree-vect-transform.c (vect_transform_loop): Call
1343
        mark_set_for_renaming with vect_memsyms_to_rename.
1344
        * tree-flow-inline.h (zero_imm_uses_p): New.
1345
        (memory_partition): New.
1346
        (set_memory_partition): New.
1347
        (factoring_name_p): New.
1348
        (symbol_mem_tag): New.  Update every function that used
1349
        to access the annotation directly.
1350
        (set_symbol_mem_tag): Likewise.
1351
 
1352
        * tree-ssa-copy.c (may_propagate_copy): Allow copies
1353
        between a partition and a symbol as long as the symbol
1354
        belongs to the partition.
1355
        (merge_alias_info): Ignore merge requests when memory
1356
        partitions are involved.
1357
 
1358
        * tree-ssa.c (verify_ssa_name): Check that default
1359
        definitions have empty defining statements.
1360
        (verify_use): Remove argument IS_VIRTUAL.
1361
        Don't call verify_ssa_name.
1362
        (verify_phi_args): Call verify_ssa_name.
1363
        (verify_flow_insensitive_alias_info): Handle MPTs.
1364
        (verify_flow_sensitive_alias_info): Likewise.
1365
        (verify_name_tags): Likewise.
1366
        (verify_call_clobbering): Likewise.
1367
        (verify_ssa): Check for VOPs only after aliasing
1368
        information is available.
1369
        Check virtuals and real operands separately.
1370
        Call verify_ssa_name on every operand.
1371
        (stmt_references_memory_p): Move to tree-ssa-operands.c.
1372
        (walk_use_def_chains_1): Guard against NULL PHI
1373
        arguments.
1374
 
1375
        * tree-ssa-operands.c (stmt_references_memory_p): Move from
1376
        tree-ssa.c.
1377
        (get_mpt_for): New.
1378
        (dump_memory_partitions): New.
1379
        (debug_memory_partitions): New.
1380
 
1381
        * tree-flow.h (struct var_ann_d): Add field mpt.
1382
        (struct stmt_ann_d): Add bitfield references_memory.
1383
        * Makefile.in (tree-ssa-structalias.o): Include
1384
        pointer-set.h
1385
        (tree-ssa-alias.o): Likewise.
1386
        * tree-ssa-structalias.c: (update_alias_info): Use
1387
        STORED_SYMS to determine which variables are being
1388
        written to by the store operation.
1389
        * tree-ssa-structalias.h (struct alias_info)
1390
        : Remove.  Update all users.
1391
        : Change to a pointer set.  Update all
1392
        users.
1393
        : Likewise.
1394
        : Likewise.
1395
        (NUM_REFERENCES): Remove.  Update all users.
1396
        (NUM_REFERENCES_CLEAR): Remove.  Update all users.
1397
        (NUM_REFERENCES_INC): Remove.  Update all users.
1398
        (NUM_REFERENCES_SET): Remove.  Update all users.
1399
 
1400
        * params.def (PARAM_GLOBAL_VAR_THRESHOLD): Remove.
1401
        Update all users.
1402
        (PARAM_MAX_ALIASED_VOPS): Set to 10.
1403
        * tree-ssanames.c (make_ssa_name): Initialize
1404
        SSA_NAME_IS_DEFAULT_DEF to 0.
1405
 
1406
2006-12-11  Aldy Hernandez  
1407
 
1408
        * tree-ssa-dse.c (aggregate_vardecl_d): New.
1409
        (dse_global_data): Add aggregate_vardecl field.
1410
        (dse_possible_dead_store_p): New.
1411
        Add prev_defvar variable.
1412
        Allow immediate uses and previous immediate uses to differ
1413
        if they are setting different parts of the whole.
1414
        (get_aggregate_vardecl): New.
1415
        (dse_record_partial_aggregate_store): New.
1416
        (dse_whole_aggregate_clobbered_p): New.
1417
        (dse_partial_kill_p): New.
1418
        (dse_optimize_stmt): Abstract code checking a possible dead store
1419
        into new function dse_possible_dead_store_p().
1420
        Call dse_maybe_record_aggregate_store().
1421
        When checking whether a STMT and its USE_STMT refer to the
1422
        same memory address, check also for partial kills that clobber
1423
        the whole.
1424
        Move some variable definitions to the block where they are used.
1425
        (aggregate_vardecl_hash): New.
1426
        (aggregate_vardecl_eq): New.
1427
        (aggregate_vardecl_free): New.
1428
        (aggregate_whole_store_p): New.
1429
        (tree_ssa_dse): Initialize and free aggregate_vardecl.
1430
        Mark which aggregate stores we care about.
1431
 
1432
2006-12-11  Andrew Macleod  
1433
 
1434
        * tree-ssa-operands.h (struct vuse_element_d): Declare.
1435
        (vuse_element_t): Declare.
1436
        (struct vuse_vec_d): Declare.
1437
        (vuse_vec_p): Declare.
1438
        (VUSE_VECT_NUM_ELEM): Define.
1439
        (VUSE_VECT_ELEMENT_NC): Define.
1440
        (VUSE_ELEMENT_PTR_NC): Define.
1441
        (VUSE_ELEMENT_VAR_NC): Define.
1442
        (VUSE_VECT_ELEMENT): Define.
1443
        (VUSE_ELEMENT_PTR): Define.
1444
        (VUSE_ELEMENT_VAR): Define.
1445
        (struct maydef_optype_d) : Remove.
1446
        : Remove.
1447
        : Add.
1448
        (struct vuse_optype_d) : Remove.
1449
        : Remove.
1450
        : Add.
1451
        (struct mustdef_optype_d) : Remove.
1452
        : Remove.
1453
        : Add.
1454
        (VUSE_OP_PTR): Add argument.  Use VUSE_ELEMENT_PTR.
1455
        (VUSE_OP): Add argument.  Use VUSE_ELEMENT_PTR.
1456
        (VUSE_NUM): Define.
1457
        (VUSE_VECT): Define.
1458
        (MAYDEF_OP_PTR): Add argument.  Use VUSE_OP_PTR.
1459
        (MAYDEF_OP): Add argument.  Use VUSE_OP.
1460
        (MAYDEF_NUM): Define.
1461
        (MAYDEF_VECT): Define.
1462
        (MUSTDEF_KILL_PTR): Use VUSE_OP_PTR.
1463
        (MUSTDEF_KILL): Use VUSE_OP.
1464
        (MUSTDEF_NUM): Define.
1465
        (MUSTDEF_VECT): Define.
1466
        (realloc_maydef): Declare.
1467
        (realloc_vuse): Declare.
1468
        (struct ssa_operand_iterator_d) : Add.
1469
        : Add.
1470
        (LOADED_SYMS): Define.
1471
        (STORED_SYMS): Define.
1472
        (FOR_EACH_SSA_MUSTDEF_OPERAND): Call op_iter_next_mustdef.
1473
        * tree-into-ssa.c: Adapt for multi-operand V_MAY_DEF and VUSE
1474
        operators.
1475
        * tree-pretty-print.c: Likewise.
1476
        * tree-ssa-dse.c: Likewise.
1477
        * tree-flow-inline.h: Likewise.
1478
        (op_iter_next_mustdef): New.
1479
        * tree-ssa-operands.c: Likewise.
1480
        (ALLOC_OPTYPE): Remove.
1481
        Update all users.
1482
        (alloc_def): New.
1483
        (alloc_use): New.
1484
        (alloc_maydef): New.
1485
        (alloc_vuse): New.
1486
        (alloc_mustdef): New.
1487
        (realloc_maydef): New.
1488
        (realloc_vuse): New.
1489
 
1490
2006-12-11  Aldy Hernandez  
1491
 
1492
        * tree-ssa-operands.c: Remove build_v_must_defs.
1493
        (init_ssa_operands): Delete build_v_must_defs.
1494
        (finalize_ssa_v_must_def_ops): Remove.
1495
        (finalize_ssa_v_must_defs): Remove.
1496
        (finalize_ssa_stmt_operands): Do not call
1497
        finalize_ssa_v_must_defs.
1498
        (start_ssa_stmt_operands): Do not check build_v_must_defs.
1499
        (append_v_must_def): Delete.
1500
        (copy_virtual_operands): Do not copy V_MUST_DEFs.
1501
        (get_modify_expr_operands): Remove reference to V_MUST_DEF from
1502
        comment.  Remove opf_kill_def.
1503
        (build_ssa_operands): Remove references to v_must_defs.
1504
        (copy_virtual_operands): Same.
1505
        (copy_virtual_operands): Same.
1506
        (fini_ssa_operands): Same.
1507
        (free_ssa_operands): Same.
1508
        (add_mustdef_op): Remove.
1509
        Remove mustdef_optype_p.
1510
        (alloc_mustdef): Remove.
1511
        Remove references to V_MUST_DEFs in comment at top of file.
1512
        (get_expr_operands): Remove opf_kill_def.
1513
        (opf_kill_def): Remove.
1514
        (add_virtual_operand): Remove opf_kill_def.
1515
        (get_indirect_ref_operands): Same.
1516
        (get_tmr_operands): Same.
1517
 
1518
        * tree-vectorizer.c (rename_variables_in_bb): Remove
1519
        SSA_OP_ALL_KILLS.
1520
 
1521
        * tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Remove
1522
        SSA_OP_ALL_KILLS.
1523
        (check_loop_closed_ssa_stmt): Same.
1524
 
1525
        * tree-ssa.c (verify_def): Remove V_MUST_DEF from comment.
1526
        (verify_use): Same.
1527
        (verify_ssa): Remove V_MUST_DEFs traces.
1528
        (verify_ssa): Remove SSA_OP_ALL_KILLS.
1529
 
1530
        * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTDEF to
1531
        SSA_OP_VMAYDEF.
1532
        (rewrite_update_stmt): Remove SSA_OP_VIRTUAL_KILLS.
1533
        (rewrite_stmt): Remove SSA_OP_ALL_KILLS.
1534
 
1535
        * tree-ssa-operands.h (struct stmt_operands_d): Remove V_MUST_DEF
1536
        references.
1537
        (MUSTDEF_OPS): Remove.
1538
        (SSA_OP_VMUSTDEF): Remove.
1539
        (FOR_EACH_SSA_MUSTDEF_OPERAND): Remove.
1540
        (struct mustdef_optype_d): Remove.
1541
        Remove mustdef_optype_p.
1542
        (struct stmt_operands_d): Remove mustdef_ops.
1543
        (ssa_operand_iterator_d): Remove mustdefs and mustkills.
1544
        (SSA_OP_VIRTUAL_DEFS): Remove SSA_OP_VMUSTDEF.
1545
        (MUSTDEF_RESULT_PTR): Remove.
1546
        (MUSTDEF_RESULT): Remove.
1547
        (MUSTDEF_KILL_PTR): Remove.
1548
        (MUSTDEF_KILL): Remove.
1549
        (MUSTDEF_NUM): Remove.
1550
        (MUSTDEF_VECT): Remove.
1551
        (SSA_OP_VIRTUAL_KILLS): Remove.
1552
        (SSA_OP_ALL_VIRTUALS): Remove SSA_OP_VIRTUAL_KILLS.
1553
        (SSA_OP_VMUSTKILL): Remove.
1554
        (SSA_OP_ALL_KILLS): Remove.
1555
        (SSA_OP_ALL_OPERANDS): Remove SSA_OP_ALL_KILLS.
1556
 
1557
        * tree-flow-inline.h (op_iter_init_def): Remove
1558
        SSA_OP_VIRTUAL_KILLS.
1559
        (delink_stmt_imm_use): Remove SSA_OP_ALL_KILLS.
1560
 
1561
        * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
1562
        SSA_OP_VIRTUAL_KILLS.
1563
 
1564
        * tree-ssa-loop-im.c (determine_max_movement): Remove
1565
        SSA_OP_VIRTUAL_KILLS.
1566
        (gather_mem_refs_stmt): Same.
1567
        (gather_mem_refs_stmt): Same.
1568
 
1569
        * tree-ssa-dce.c (mark_really_necessary_kill_operand_phis): Delete.
1570
        (perform_tree_ssa_dce): Remove call to
1571
        mark_really_necessary_kill_operand_phis.
1572
 
1573
        * tree-flow-inline.h (op_iter_init): Remove setting of mustdefs
1574
        and mustkills.
1575
        (op_iter_next_use): Do not check mustkills.
1576
        (op_iter_next_def): Do not check mustdefs.
1577
        (op_iter_next_tree): Do not check mustkills or mustdefs.
1578
        (clear_and_done_ssa_iter): Do not set mustdefs or mustkills.
1579
        (op_iter_next_maymustdef): Do not check mustkills.
1580
        (op_iter_init_must_and_may_def): Remove SSA_OP_VMUSTKILL.
1581
        (op_iter_init_mustdef): Remove.
1582
 
1583
        * tree-ssa-live.c (create_ssa_var_map): Change SSA_OP_VMUSTDEF to
1584
        SSA_OP_VMAYDEF.
1585
 
1586
        * tree-ssa-dse.c (dse_optimize_stmt): Remove SSA_OP_VMUSTDEF.
1587
 
1588
        * tree-ssa-ccp.c: Remove V_MUST_DEF traces from comments.
1589
        (visit_assignment): Same.
1590
 
1591
        * tree-ssa-copy.c (copy_prop_visit_assignment): Same.
1592
 
1593
        * tree-sra.c (mark_all_v_defs_1): Remove V_MUST_DEF from comment.
1594
 
1595
        * tree-outof-ssa.c (check_replaceable): Remove SSA_OP_VMUSTDEF.
1596
 
1597
        * tree-pretty-print.c (dump_vops): Remove printing of V_MUST_DEF.
1598
        Remove kill_p variable.
1599
 
1600
        * tree-dfa.c (struct dfa_stats_d): Remove num_v_must_defs.
1601
        (dump_dfa_stats): Remove code related to V_MUST_DEFs.
1602
        (collect_dfa_stats_r): Do not set num_v_must_defs.
1603
        (mark_new_vars_to_rename): Remove v_must_defs_{before,after}
1604
        code.
1605
 
1606
        * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTKILL to
1607
        SSA_OP_VMAYUSE.
1608
 
1609
        * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
1610
        SSA_OP_VMUSTDEF and SSA_OP_VMUSTKILL.
1611
 
1612
        * tree-ssa-propagate.c (stmt_makes_single_store): Remove
1613
        SSA_OP_VMUSTDEF.
1614
 
1615
2006-12-11  Zdenek Dvorak 
1616
 
1617
        PR rtl-optimization/30113
1618
        * loop-iv.c (implies_p): Require the mode of the operands to be
1619
        scalar.
1620
 
1621
2006-12-11  Diego Novillo  
1622
 
1623
        * tree-ssa-operands.h (create_ssa_artificial_load_stmt):
1624
        Rename from create_ssa_artficial_load_stmt.  Update all users.
1625
        * tree-into-ssa.c (register_new_def): Make static.
1626
        * tree.c (is_global_var): Handle SSA_NAMEs.
1627
        * tree.h (SSA_NAME_IS_DEFAULT_DEF): Define.  Update all users
1628
        that used to call gimple_default_def.
1629
        * tree-ssa-operands.c (push_stmt_changes): New.
1630
        (pop_stmt_changes): New.  Update every pass that modifies
1631
        statements to bracket modifications with
1632
        push_stmt_changes/pop_stmt_changes.
1633
        (discard_stmt_changes): New.
1634
        * tree-ssa-dom.c (stmts_to_rescan): Change to stack of
1635
        'tree *' instead of 'tree'.  Update all users.
1636
        * tree-flow-inline.h (zero_imm_uses_p): New.
1637
        (symbol_mem_tag): New.  Update every function that used
1638
        to access the annotation directly.
1639
        (set_symbol_mem_tag): Likewise.
1640
        * tree-dfa.c (dump_variable): Always show the escape mask.
1641
        (mark_symbols_for_renaming): Rename from
1642
        mark_new_vars_to_rename.  Update all users.
1643
        Only mark to rename naked symbols in real and virtual
1644
        operands.
1645
 
1646
2006-12-11  Andreas Schwab  
1647
 
1648
        * varasm.c (elf_record_gcc_switches): Cast second argument of
1649
        ASM_OUTPUT_SKIP to unsigned HOST_WIDE_INT.
1650
 
1651
2006-12-11  Diego Novillo  
1652
 
1653
        * tree-scalar-evolution.c (scev_const_prop):
1654
        * tree-phinodes.c (remove_phi_node): Add argument
1655
        RELEASE_LHS_P.  If given, release the SSA name on the LHS of
1656
        the PHI node.
1657
        Update all users.
1658
        * tree-ssa-dce.c: Remove forward declarations for static
1659
        functions.  Re-arrange functions bodies as needed.
1660
        (find_obviously_necessary_stmts): Never mark PHI nodes as
1661
        obviously necessary.
1662
 
1663
2006-12-11  Carlos O'Donell  
1664
 
1665
        * config/arm/elf.h (MAX_OFILE_ALIGNMENT): Remove definition.
1666
 
1667
2006-12-11  Jan Hubicka  
1668
 
1669
        * value-prof.c (tree_stringops_transform): New.
1670
        (tree_value_profile_transformations): Require count to be non-zero;
1671
        call stringop transform; reset stmt BSI after BB changed.
1672
        (tree_divmod_fixed_value, tree_mod_pow2): Don't emit unnecesary label.
1673
        (interesting_stringop_to_profile_p, tree_stringop_fixed_value): New.
1674
        (tree_stringops_values_to_profile): New.
1675
        (tree_values_to_profile): Call tree_stringops_values_to_profile.
1676
        * tree.h (build_string_literal): Tidy prototype.
1677
        (validate_arglist, builtin_memset_read_str, get_pointer_alignment):
1678
        Declare.
1679
        * builtins.c (validate_arglist, builtin_memset_read_str,
1680
        get_pointer_alignment): Export.
1681
 
1682
2006-12-11  Uros Bizjak  
1683
 
1684
        PR target/30120
1685
        Revert:
1686
        2006-11-15  Uros Bizjak  
1687
 
1688
        * config/i386/i386.opt: New target option -mx87regparm.
1689
 
1690
        * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno,
1691
        float_in_x87: Add new variables. mmx_words, sse_words: Remove.
1692
        (X87_REGPARM_MAX): Define.
1693
 
1694
        * config/i386/i386.c (override_options): Error out for
1695
        -mx87regparm but no 80387 support.
1696
        (ix86_attribute_table): Add x87regparm.
1697
        (ix86_handle_cconv_attribute): Update comments for x87regparm.
1698
        (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1699
        (ix86_function_x87regparm): New function.
1700
        (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1701
        point registers.
1702
        (init_cumulative_args): Initialize x87_nregs and float_in_x87
1703
        variables.
1704
        (function_arg_advance): Process x87_nregs and x87_regno when
1705
        floating point argument is to be passed in 80387 register.
1706
        (function_arg): Pass XFmode arguments in 80387 registers for local
1707
        functions.  Pass SFmode and DFmode arguments to local functions
1708
        in 80387 registers when flag_unsafe_math_optimizations is set.
1709
 
1710
        * reg-stack.c (convert_regs_entry): Disable NaN load for
1711
        stack registers that are used for argument passing.
1712
 
1713
        * doc/extend.texi: Document x87regparm function attribute.
1714
        * doc/invoke.texi: Document -mx87regparm.
1715
 
1716
2006-12-11  Jan Hubicka  
1717
 
1718
        Move all varpool routines out of cgraph/cgraphunit to varpool.c
1719
        * cgraph.c: Update comments.
1720
        (cgraph_varpool_hash,
1721
        cgraph_varpool_nodes, cgraph_varpool_last_needed_node
1722
        cgraph_varpool_node_name, cgraph_varpool_node,
1723
        cgraph_varpol_mode_for_asm, cgraph_varpool_mark_needed_node,
1724
        cgraph_variable_initializer_availability): Move to
1725
        varpool.c and drop cgraph_ prefixes.
1726
        (cgraph_varpool_enqueue_needed_node, cgraph_varpool_reset_queue,
1727
        cgraph_varpool_first_unanalyzed_node, cgraph_varpool_finalize_decl):
1728
        move to varpool.c; drop cgraph_ prefix; make static.
1729
        (dump_cgraph_varpool_node): Move to varpool.c under name
1730
        dump_varpool_node.
1731
        (dump_varpool, hash_varpool_node, eq_varpool_node,
1732
        decide_is_variable_needed): Move to varpool.c
1733
        (decl_assembler_name_equal): Move to tree.c.
1734
        (availability_names): Rename to ...
1735
        (cgraph_availability_names): ... this one.
1736
        (dump_cgraph_node): Update.
1737
        * cgraph.h: Reorder declarations now in varpool.c
1738
        (cgraph_vailablity_names): Declare.
1739
        (struct cgraph_varpool_node): Rename to ...
1740
        (struct varpool_node): ... this one.
1741
        (cgraph_varpool_first_unanalyzed_node, cgraph_varpool_nodes_queue,
1742
        cgraph_varpool_first_unanalyzed_node, cgraph_varpool_node,
1743
        cgraph_varpool_node_for_asm, cgraph_varpool_mark_needed_node,
1744
        cgraph_varpool_finalize_decl, cgraph_varpool_enqueue_needed_node,
1745
        cgraph_varpool_reset_queue, cgraph_varpool_assemble_pending_decls,
1746
        cgraph_variable_initializer_availability): Rename to ...
1747
        (varpool_first_unanalyzed_node, varpool_nodes_queue,
1748
        varpool_first_unanalyzed_node, varpool_node,
1749
        varpool_node_for_asm, varpool_mark_needed_node,
1750
        varpool_finalize_decl, varpool_enqueue_needed_node,
1751
        varpool_assemble_pending_decls, variable_initializer_availability):
1752
        Rename to ...
1753
        * tree.c (decl_assembler_name_equal): Move here from cgraph.c.
1754
        * tree.h (decl_assembler_name_equal): Declare.
1755
        * omp-low.c (lower_omp_critical): Update.
1756
        * ipa-reference (analyze_variable, static_execute): Likewise.
1757
        * toplev.c (wrapup_global_declaration_2, compile_file): Update.
1758
        * cgraphunit.c: Update comments.
1759
        (cgraph_varpool_assembled_nodes_queue): Move to varpool.c under name
1760
        varpool_assembled_nodes_queue.
1761
        (cgraph_varpool_analyze_pending_decls): Move to varpool.c under name
1762
        varpool_analyze_pending_decls.
1763
        (cgraph_varpool_remove_unreferenced_decls): Move to varpool.c under name
1764
        varpool_remove_unreferenced_decls.
1765
        (record_reference): Update.
1766
        (cgraph_create_edges): Update.
1767
        (record_referneces_in_initializer): New function.
1768
        (cgraph_varpool_assemble_decl): Move to varpool.c under name
1769
        varpool_assemble_decl; make global.
1770
        (cgraph_varpool_assemble_pending_decls): Move to varpool.c under name
1771
        varpool_assemble_pending_decls.
1772
        (process_function_and_variable_attributes, cgraph_finalize_compilation_unit,
1773
        struct cgraph_order_sort, cgraph_output_in_order,
1774
        cgraph_function_and_variable_invisibility, cgraph_optimize,
1775
        cgraph_increase_alignment): Update.
1776
        * dwarf2out.c (decls_for_scope): Likewise.
1777
        * ipa-type-escape.c (analyze_variable, type_escape_execute): Likewise.
1778
        * except.c (output_ttype): Likewise.
1779
        * varasm.c (mark_decl_referenced): Likewise.
1780
        (find_decl_and_mark_referenced, assemble_alias): update.
1781
        * Makefile.in: Add varpool.c, gt-varpool.c and remove gt-cgraphunit.c
1782
        * passes.c (rest_of_decl_compilation): Update.
1783
 
1784
2006-12-11  Ira Rosen  
1785
 
1786
        * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Use
1787
        GIMPLE_STMT_OPERAND.
1788
        * tree-vect-transform.c (vect_permute_store_chain): Likewise.
1789
        (vect_setup_realignment): Likewise.
1790
 
1791
2006-12-11  Sa Liu  
1792
            Ben Elliston  
1793
 
1794
        * config/spu/spu-elf.h (STARTFILE_SPEC): Update.
1795
        (ENDFILE_SPEC): Likewise.
1796
        * config/spu/spu.opt (mstdmain): New option.
1797
        * config/spu/crti.asm: Remove.
1798
        * config/spu/crtn.asm: Likewise.
1799
        * config/spu/crt0.c: Likewise.
1800
        * config/spu/crtend.c: Likewise.
1801
        * config/spu/t-spu-elf (EXTRA_MULTILIB_PARTS): Remove crt0 files
1802
        listed above.
1803
        ($(T)crti.o, $(T)crtn.o, $(T)crt1.o, $(T)crtend1.o): Remove.
1804
        * doc/invoke.texi (SPU Options): Document -mstdmain.
1805
 
1806
2006-12-10  Zdenek Dvorak 
1807
 
1808
        * doc/loop.texi: Document number_of_latch_executions and
1809
        number_of_cond_exit_executions.
1810
        * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1811
        chrec_is_positive, number_of_iterations_for_all_loops,
1812
        scev_const_prop): Use number_of_latch_executions.
1813
        (set_nb_iterations_in_loop): Do not increase the value of the
1814
        number of iterations.
1815
        (number_of_iterations_in_loop): Renamed to ...
1816
        (number_of_latch_executions): ... this.
1817
        (number_of_exit_cond_executions): New function.
1818
        * tree-scalar-evolution.h (number_of_iterations_in_loop): Declaration
1819
        removed.
1820
        (number_of_latch_executions, number_of_exit_cond_executions): Declare.
1821
        * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables): Use
1822
        number_of_latch_executions.
1823
        * tree-data-ref.c (get_number_of_iters_for_loop): Use
1824
        number_of_exit_cond_executions.
1825
        * tree-vect-analyze.c (vect_get_loop_niters): Ditto.
1826
        * cfgloop.h (struct loop): Improve description of the nb_iterations
1827
        field.
1828
 
1829
2006-12-10  Daniel Berlin  
1830
 
1831
        * tree-ssa-alias.c (compact_name_tags): Use sort_tags_by_id.
1832
        (tree_pointer_compare): Remove.
1833
 
1834
2006-12-10  Zdenek Dvorak 
1835
 
1836
        * tree-vrp.c (adjust_range_with_scev): Use get_chrec_loop.
1837
        * loop-unswitch.c (unswitch_loops): Use FOR_EACH_LOOP.
1838
        * tree-loop-linear.c (linear_transform_loops): Ditto.
1839
        * tree-ssa-loop-im.c (determine_lsm): Ditto.
1840
        * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
1841
        free_numbers_of_iterations_estimates): Ditto.
1842
        * tree_ssa_unswitch_loops (tree_ssa_unswitch_loops): Ditto.
1843
        * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1844
        * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
1845
        * modulo-sched.c (sms_schedule): Ditto.
1846
        * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables,
1847
        tree_unroll_loops_completely): Ditto.
1848
        * predict.c (predict_loops): Ditto.
1849
        * tree-if-conv.c (main_tree_if_conversion): Ditto.
1850
        * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
1851
        decide_unrolling_and_peeling): Ditto.
1852
        * cfgloopmanip.c (unloop): Use delete_loop.
1853
        (place_new_loop): Access larray vector instead of parray.
1854
        (create_preheaders, force_single_succ_latches,
1855
        fix_loop_structure): Use FOR_EACH_LOOP and delete_loop..
1856
        * loop-doloop.c (doloop_optimize_loops): Ditto.
1857
        * loop-invariant.c (move_loop_invariants): Ditto.
1858
        * tree-cfg.c (replace_uses_by): Ditto.
1859
        * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Ditto.
1860
        * tree-chrec.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
1861
        Moved to ...
1862
        * tree.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
1863
        ... here.
1864
        * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
1865
        compute_overall_effect_of_inner_loop, chrec_is_positive): Use
1866
        get_loop and get_chrec_loop.
1867
        (number_of_iterations_for_all_loops): Use number_of_loops.
1868
        (scev_initialize, scev_reset, scev_const_prop): Use FOR_EACH_LOOP.
1869
        * tree-scalar-evolution.h (get_chrec_loop): New inline function.
1870
        * cfgloopanal.c (mark_irreducible_loops): Use number_of_loops,
1871
        and FOR_EACH_LOOP.
1872
        * tree-chrec.c (evolution_function_is_invariant_rec_p,
1873
        chrec_convert_1): Use get_loop and get_chrec_loop.
1874
        * loop-init.c (loop_optimizer_init): Use number_of_loops.
1875
        (loop_optimizer_init): Use FOR_EACH_LOOP.
1876
        * tree-vectorizer.c (vect_loops_num): Removed.
1877
        (vectorize_loops): Store number of loops locally.  Use
1878
        FOR_EACH_LOOP and get_loop.
1879
        * tree-vectorizer.h (vect_loops_num): Removed.
1880
        * tree-data-ref.c (get_number_of_iters_for_loop): Use get_loop.
1881
        (find_data_references_in_loop): Do not set parallel_p.
1882
        * tree-data-ref.h: Do not declare VEC(loop_p).
1883
        * cfgloop.c (flow_loops_dump, mark_single_exit_loops,
1884
        verify_loop_structure): Use FOR_EACH_LOOP.
1885
        (flow_loops_free): Use FOR_EACH_LOOP, free larray vector.
1886
        (initialize_loops_parallel_p): Removed.
1887
        (flow_loops_find): Push the loops into a vector.
1888
        (delete_loop): New function.
1889
        (cancel_loop): Use delete_loop.
1890
        * cfgloop.h: Declare VEC(loop_p).
1891
        (struct loop): Remove parallel_p field.
1892
        (struct loops): Replace num and parray field by larray vector.
1893
        Remove shared_headers field.
1894
        (delete_loop): Declare.
1895
        (get_loop, get_loops, number_of_loops, fel_next, fel_init,
1896
        FOR_EACH_LOOP): New.
1897
        * doc/loop.tex: Document new accessor functions.
1898
 
1899
2006-12-10  Andrew MacLeod  
1900
 
1901
        * common.opt (-ftree-lrs): Remove live range splitting option.
1902
        * makefile.in: Add tree-ssa-coalesce.o and reduce header dependancies.
1903
        * opts.c (decode_options): Remove flag_tree_live_range_split.
1904
        * tree-flow.h (struct var_ann_d): Rename fields from root_ to base_.
1905
        * tree-flow-inline.h (single_imm_use_p): New.  Check for single use.
1906
        * tree-outof-ssa.c: Remove header files which aren't needed.
1907
        (SSANORM_*): Remove flags.
1908
        (print_exprs_edge, coalesce_abnormal_edges, coalesce_phi_operands,
1909
        coalesce_result_decls_and_copies, coalesce_asm_operands): Remove.
1910
        (coalesce_ssa_name): Move to tree-ssa-coalesce.c.
1911
        (assign_vars): Use Basevar instead of root_var structure.
1912
        (replace_def_variable): Dont do anything if def is replaceable.
1913
        (remove_ssa_form): Integrate functional changes.
1914
        (rewrite_out_of_ssa): Remove live-range_split option.
1915
        * tree-ssa-coalesce.c: New File for ssa-name coalescing.
1916
        (coalesce_cost): Calculate the cost of a coalesce.
1917
        (coalesce_cost_bb): Calculate the coalesce cost within a BB.
1918
        (coalesce_cost_edge): Calculate the coalesce cost on an edge.
1919
        (pop_cost_one_pair): Remove the best coalesce with cost 1 from the list.
1920
        (pop_best_coalesce): Remove the best coalesce from the list.
1921
        (coalesce_pair_map_hash): Calculate coalesce pair hash.
1922
        (coalesce_pair_map_eq): Compare 2 coalesce pairs for hash function.
1923
        (create_coalesce_list): Create a coalesce list object.
1924
        (delete_coalesce_list): Free a coalesce list object.
1925
        (find_coalesce_pair): Find matching pair in the coalesce list.
1926
        (add_cost_one_coalesce): Add a coalesce to the "cost one" list.
1927
        (add_coalesce): Add a coalesce to the coalesce list.
1928
        (compare_pairs): Comparision function to determine pair sorted order.
1929
        (num_coalesce_pairs): Number of coalesced pairs.
1930
        (first_coalesce_pair, end_coalesce_pair_p, next_coalesce_pair):
1931
        Coalesce pair iterator functions.
1932
        (sort_coalesce_list): Sort coalesce pairs in order of expense.
1933
        (dump_coalesce_list): Show coalesce list.
1934
        (ssa_conflicts_new): Create an SSA conflict graph.
1935
        (ssa_conflicts_delete): Delete an SSA conflict graph.
1936
        (ssa_conflicts_test_p): Test for conflicts.
1937
        (ssa_conflicts_add_one): Add a single conflict.
1938
        (ssa_conflicts_add): Add a conflict pair.
1939
        (ssa_conflicts_merge): Merge conflicts.
1940
        (struct live_track_d): Struct for tracking live partitions.
1941
        (new_live_track): Create new live_track object.
1942
        (delete_live_track): Delete a live_track object.
1943
        (live_track_remove_partition): Remove a partition from the live list.
1944
        (live_track_add_partition): Add a partition from the live list.
1945
        (live_track_clear_var): Take VAR from the live list.
1946
        (live_track_live_p): Is var live?
1947
        (live_track_process_use): Make var come alive.
1948
        (live_track_process_def): Make var go dead, add conflicts.
1949
        (live_track_init): Initialize to a live on exit set.
1950
        (live_track_clear_base_vars): Clear live partitions.
1951
        (build_ssa_conflict_graph): Build a conflict graph.
1952
        (print_exprs): Common debug output routine.
1953
        (abnormal_corrupt): Output info about a failed coalesce across an
1954
        abnormal edge.
1955
        (fail_abnormal_edge_coalesce): Output info about a failed MUST_COALESCE.
1956
        (create_outofssa_var_map): Create a var map and coalesce list.
1957
        (attempt_coalesce): Coalesce a pair.
1958
        (coalesce_partitions): Coalesce all pairs in a coalesce list.
1959
        (coalesce_ssa_name): Entry point.  Determine what ssa_names to coalesce.
1960
        * tree-ssa-live.c: Remove header files which aren't needed.
1961
        (var_map_base_init): New.  Initialize a basevar list.
1962
        (var_map_base_fini): New.  Finish a basevar list.
1963
        (init_var_map): Initialize new fields.
1964
        (delete_var_map): Free new fields.
1965
        (var_union): Use renamed fields.
1966
        (compact_var_map): Remove.
1967
        (partition_to_view_init): Use renamed fields, change order of an if.
1968
        (partition_view_fini): Use renamed fields.
1969
        (partition_view_normal): Create basevar list if requested.
1970
        (partition_view_bitmap): Create a view based on a bitmap of partitions.
1971
        (change_partition_var): Use renamed fields.
1972
        (create_ssa_var_map): Remove.
1973
        (tpa_init, tpa_remove_partition, tpa_delete, tpa_compact,
1974
        root_var_init): Remove.
1975
        (partition_pair_map_hash, partition_pair_map_eq, create_coalesce_list,
1976
        delete_coalesce_list, find_partition_pair, coalesce_cost, add_coalesce,
1977
        compare_pairs, num_coalesce_pairs, first_partition_pair,
1978
        end_partition_pair_p, next_partition_pair, sort_coalesce_list,
1979
        pop_best_coalesce, add_conflicts_if_valid, set_if_valid,
1980
        build_tree_conflict_graph, coalesce_tpa_members, dump_coalesce_list,
1981
        tpa_dump): Moved to tree-ssa-coalesce.c and/or renamed there.
1982
        (dump_var_map): Use renamed fields.
1983
        * tree-ssa-live.h (struct  _var_map): Modify fields.
1984
        (partition_to_var, version_to_var, var_to_partition): Use renamed
1985
        fields.
1986
        (basevar_index): New.  Index of the base variable of a partition.
1987
        (num_basevars): New.  Number of unique base variables in partition map.
1988
        (register_ssa_partition): Use renamed fields.
1989
        (struct tree_partition_associator_d): Remove.
1990
        (tpa_num_trees, tpa_tree, tpa_first_partition, tpa_next_partition,
1991
        tpa_find_tree, tpa_decompact, root_var_init, root_var_num,
1992
        root_var, root_var_first_partition, root_var_next_partition,
1993
        root_var_dump, root_var_delete, root_var_remove_partition,
1994
        root_var_find, root_var_compact, root_var_decompact): Remove.
1995
        (struct partition_pair, struct coalesce_list_d): Moved to
1996
        tree-ssa-coalesce.c
1997
        * tree-ssa-ter.c: Remove header files which aren't needed.
1998
 
1999
2006-12-10  Steven Bosscher  
2000
 
2001
        * cse.c: (struct cse_basic_block_data): Remove LAST field.
2002
        (struct branch_path): Remove BRANCH and TAKEN fields. Add new
2003
        BB field.
2004
        (cse_visited_basic_blocks): New static bitmap.
2005
        (cse_end_of_basic_block, cse_basic_block): Remove.
2006
        (cse_find_path, cse_dump_path, cse_prescan_path,
2007
        cse_extended_basic_block): New static functions.
2008
        (cse_insn): Don't CSE over setjmp calls.  Use the CFG to find
2009
        basic block boundaries.  Don't record jump equivalences here.
2010
        Update the CFG after doing in-place replacement of the SET_SRC.
2011
        (cse_main): Rewrite.  Look for extended basic block headers
2012
        and call cse_extended_basic_block on them until all paths that
2013
        start at this header are exhausted.
2014
        (rest_of_handle_cse): Verify that the CFG is incrementally updated
2015
        and correct after cse_main.
2016
        Don't call delete_trivially_dead_insns, let cfgcleanup do that.
2017
        (rest_of_handle_cse2): Verify the CFG here, too, after cse_main.
2018
        (pass_cse): Add TODO_verify_flow.
2019
        (pass_cse2): Likewise.
2020
 
2021
2006-12-10  Rask Ingemann Lambertsen  
2022
 
2023
        * reload1.c (choose_reload_regs): Don't set byte offset when
2024
        resolving subregs of hard regs.
2025
 
2026
2006-12-09  Zack Weinberg  
2027
 
2028
        * c-opts.c (c_common_parse_file): Unconditionally give a warning,
2029
        suitable for the language, if set_yydebug is true.
2030
        * c-pragma.h: Define enum pragma_omp_clause here.  Don't define
2031
        YYDEBUG or declare yydebug.
2032
        * c-parser.c (yydebug, enum pragma_omp_clause): Delete.
2033
 
2034
2006-12-09  Jan Hubicka  
2035
 
2036
        * cgraph.c: Update copyright.
2037
        * cgraph.h: Likewise
2038
        (cgraph_update_pending_function): Remove prototype.
2039
        * cgraphunit.c: Update copyright; update overall comment.
2040
        (cgraph_assemble_pending_functions): Make local.
2041
 
2042
2006-12-09  Maxim Kuvyrkov  
2043
 
2044
        * haifa-sched.c (schedule_block): Remove excessive sanity check.
2045
 
2046
2006-12-08  Trevor Smigiel  
2047
 
2048
        * config/spu/spu-protos.h (spu_split_immediate): Renamed from
2049
        spu_split_address.
2050
        (cpat_const_p, gen_cpat_const): Add.
2051
        * config/spu/spu.c (immediate_class): New enum.
2052
        (cpat_info, classify_immediate): New.
2053
        (print_operand): Use S, D, T instead of F, G, H.  Use
2054
        classify_immediate.  Handle cpat cases.
2055
        (spu_split_immediate):  Renamed from spu_split_address.  Split all
2056
        immediates that can be split.
2057
        (immediate_load_p): Use classify_immediate.
2058
        (spu_legitimate_constant_p): Accept everything except some cases of
2059
        CONST_VECTOR.
2060
        (spu_expand_move): Use spu_split_immedate.
2061
        (fsmbi_const_p): Use classify_immediate.
2062
        (cpat_const_p): New.
2063
        (gen_cpat_const: New.
2064
        * config/spu/constraints.md (j,k,l): New constraints for cpat
2065
        instructions.
2066
        * config/spu/spu.md (unnamed splitter): Change address splitter to
2067
        handle all immediates.
2068
        (_mov, _movdi, _movti): Handle i, j, k constraints for cpat
2069
        instructions.
2070
        (cpat, _cpat, splitter): Generate a TImode constant for cpat patterns
2071
        when possible.
2072
 
2073
2006-12-08  John David Anglin  
2074
 
2075
        PR target/30039
2076
        * pa.md (high:DI and lo_sum:DI): Handle 64-bit CONST_INTs in 32-bit
2077
        patterns.  Correct length of high:DI instruction sequence.
2078
 
2079
2006-12-08  Mike Stump  
2080
 
2081
        * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Build
2082
        libgcc with -mmacosx-version-min=10.4.
2083
        * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Default to
2084
        G4 for 10.5+ unless doing kernel builds.
2085
 
2086
2006-12-08  Uros Bizjak  
2087
 
2088
        PR target/30120
2089
        * reg-stack.c (convert_regs_entry): Mark current argument passing
2090
        registers as live.
2091
 
2092
        * config/i386/i386.h (X87_REGPARM_MAX): Set to 0 to disable passing
2093
        of float arguments in x87 registers.
2094
 
2095
2006-12-08  John David Anglin  
2096
 
2097
        * pa.h (LEGITIMATE_CONSTANT_P): Simplify.
2098
 
2099
2006-12-08  Mark Shinwell  
2100
 
2101
        * recog.c (mode_dependent_address_p): Identify pre-increment,
2102
        pre-decrement, post-increment and post-decrement addressing as always
2103
        being mode-dependent.
2104
        * config/m32c/m32c.c (m32c_mode_dependent_address): Delete.
2105
        * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2106
        * config/m32c/m32c-protos.h (m32c_mode_dependent_address): Delete.
2107
        * config/m32r/m32r.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
2108
        PRE_INC and POST_INC checks.
2109
        * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2110
        * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2111
        * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2112
        * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2113
        * config/c4x/c4x.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
2114
        PRE_INC, POST_DEC and POST_INC cases.
2115
        * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
2116
        Delete POST_INC and PRE_DEC cases.
2117
        * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
2118
        no-op.
2119
        * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2120
        * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
2121
        no-op.
2122
        * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2123
        * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2124
        * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Delete
2125
        PRE_INC and PRE_DEC cases.
2126
        * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2127
        * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2128
        * config/arm/arm.h (ARM_GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2129
        (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2130
        * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2131
        * config/vax/vax.c (vax_mode_dependent_address_p): Delete
2132
        auto-increment cases.
2133
        * config/h8300/h8300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete
2134
        auto-increment cases.
2135
        * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2136
 
2137
2006-12-08  Andrew MacLeod  
2138
 
2139
        * Makefile.in: Add new file tree-ssa-ter.c.
2140
        * tree-outof-ssa.c (struct temp_expr_table_d, new_temp_expr_table,
2141
        free_temp_expr_table, add_value_to_version_list,
2142
        add_value_to_partition_list, remove_value_from_partition_list,
2143
        add_dependence, check_replaceable, finish_expr, mark_replaceable,
2144
        kill_expr, kill_virtual_exprs, find_replaceable_in_bb,
2145
        find_replaceable_exprs, dump_replaceable_exprs): Move to tree-ssa-ter.c.
2146
        * tree-ssa-live.h (find_replaceable_exprs, dump_replaceable_exprs): Add
2147
        prototypes.
2148
        * tree-ssa-ter.c: New file using code moved from tree-outof-ssa.c.
2149
        (struct value_expr_d): Remove.
2150
        (struct temp_expr_table_d): Rename fields, add explicit vector of
2151
        replaceable expressions instead of sharing.  Change value_expr_p's to
2152
        bitmap.  Delete free_list.
2153
        (new_temp_expr_table): Rename fields, count number of ssa_names in
2154
        each partition.
2155
        (free_temp_expr_table): Rename field, free new fields.
2156
        (new_value_expr, free_value_expr, find_value_in_list, add_value_to_list,
2157
        add_info_to_list, remove_value_from_list): Delete.
2158
        (version_to_be_replaced_p): New.  Is an ssa-name replaceable?
2159
        (make_dependent_on_partition): New.  Set bit in version list, allocating
2160
        a bitmap if need be.
2161
        (add_to_partition_kill_list): New.  Set bit in the partition list,
2162
        allocating a bitmap if need be.
2163
        (remove_from_partition_kill_list): New.  Remove a bit from the
2164
        partition list, free the bitmap if it is empty.
2165
        (add_dependence): Use renamed field, cleanup.  Don't add a dependence
2166
        on partitions with only one member.
2167
        (is_replaceable_p): New.  Split out replaceability check from
2168
        check_replaceable.
2169
        (process_replaceable): New.  Code split from check_replaceable.
2170
        (check_replaceable): Removed.
2171
        (finished_with_expr): Renamed from finish_expr.
2172
        (kill_expr): Use renamed fields and less parameters.
2173
        (kill_virtual_exprs): Less parameters.
2174
        (mark_replaceable): Use renamed fields.
2175
        (find_replaceable_in_bb): Use renamed fields, cleanup.
2176
        (find_replaceable_exprs): Use renamed routines, cleanup.
2177
        (dump_replaceable_exprs): Don't go past end of ssa_names list.
2178
        (debug_ter): New.  Debug routine to dump state.
2179
 
2180
2006-12-08  Bernd Schmidt  
2181
 
2182
        * config/bfin/bfin.c (effective_address_32bit_p): Return true for
2183
        anything involving the GOT.
2184
        (bfin_adjust_cost): Don't take the REGNO of a MEM.
2185
        (trapping_loads_p): Look inside the pattern of an insn to find the
2186
        SET.
2187
        * config/bfin/bfin.md (attr "type"): Add movcc.
2188
        (insn_reservation "alu"): Likewise.
2189
        (movsicc_insn1, movsicc_insn2): Change type to movcc.
2190
 
2191
2006-12-07  Andrew Pinski  
2192
 
2193
        * config/spu/spu-c.c (spu_build_overload_builtin): Delete.
2194
        (spu_resolve_overloaded_builtin): Check for non scalar instead
2195
        of vector type and check the function call argument type also for
2196
        non scalar.
2197
        Call build_function_call instead of spu_build_overload_builtin.
2198
 
2199
2006-12-07  Trevor Smigiel  
2200
 
2201
        * config/spu/spu.c (array_to_constant): Correct the order of arguments
2202
        to the calls of hwint_to_const_double.
2203
 
2204
2006-12-07  Nick Clifton  
2205
 
2206
        * config/elfos.h (TARGET_ASM_RECORD_GCC_SWITCHES): Set to
2207
        elf_record_gcc_switches.
2208
 
2209
2006-12-07  Andrew Macleod  
2210
 
2211
        * expr.c (string_constant): Account for non-zero lower bound arrays.
2212
 
2213
2006-12-07  Richard Guenther  
2214
 
2215
        * builtins.c (expand_builtin_pow): Adjust predicates for
2216
        pow to cbrt expansion to unsafe math and !HONOR_NANS for
2217
        negative base.
2218
 
2219
2006-12-07  Jan Hubicka  
2220
 
2221
        * i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
2222
        codegen.
2223
 
2224
2006-12-07  Jan Hubicka  
2225
 
2226
        * tree-vrp.c (compare_values): Short circuit INTEGER_CST;
2227
        use fold_constant_to_binary; tolerate wrong type constants.
2228
        (value_intersect_p): Do just two tests.
2229
 
2230
2006-12-07  Bernd Schmidt  
2231
 
2232
        * config/bfin/bfin.c (print_operand): New modifier 'N' for constants.
2233
        * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
2234
        lshifthi3): Use it, and fix the order of alternatives.
2235
 
2236
2006-12-07  Nick Clifton  
2237
 
2238
        * common.opt (record-gcc-switches): New command line switch.
2239
        * target.h (print_switch_type): New enum.
2240
        (print_switch_fn_type): New typedef for a function pointer.
2241
        (struct gcc_target): Add record_gcc_switches and
2242
        record_gcc_switches_section fields.
2243
        * target-def.h (TARGET_ASM_RECORD_GCC_SWITCHES): Provide a
2244
        default definition.
2245
        (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Provide a default
2246
        definition.
2247
        * toplev.c (print_single_switch): Simplify by providing a
2248
        pointer to function that will format and output the switch
2249
        appropriately.
2250
        (print_switch_values): Likewise.
2251
        (print_to_asm_out_file): New function.
2252
        (print_to_stderr): New function.
2253
        (init_asm_output): If flag_record_gcc_switches is set then if
2254
        the target supports recording the switches then emit them into
2255
        the assembler output file, otherwise tell the user that the
2256
        switch is not supported.
2257
        * varasm.c (eld_record_gcc_switches): New function.  Example
2258
        handler for the record_gcc_switches target hook.
2259
        * doc/tm.texi (TARGET_ASM_RECORD_GCC_SWITCHES): Document the new
2260
        target hook.
2261
        (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Likewise.
2262
        * doc/invoke.texi (-frecord-gcc-switches): Document.
2263
 
2264
2006-12-07  Maxim Kuvyrkov  
2265
 
2266
        PR target/29794
2267
        * sched-rgn.c (add_block1): Use correct initializer.
2268
 
2269
2006-12-07  Richard Guenther  
2270
 
2271
        * tree-vect-transform.c (vectorizable_call): Fix leftover of
2272
        TREE_OPERAND to GIMPLE_STMT_OPERAND conversion.
2273
 
2274
2006-12-06  Aldy Hernandez  
2275
 
2276
        PR/30079
2277
        * config/pa/pa.c (hppa_gimplify_va_arg_expr): Build MODIFY_EXPR
2278
        not GIMPLE_MODIFY_STMT.
2279
 
2280
2006-12-06  Jan Hubicka  
2281
 
2282
        * tree-vrp.c (operand_less_p): New.
2283
        (compare_values, value_inside_range): Rewrite in terms of
2284
        operand_less_p.
2285
 
2286
2006-12-06 Uros Bizjak 
2287
 
2288
        * config/i386/i386.md (DIRFLAG_REG): Remove constant.
2289
        (type): Remove cld.
2290
        (length_immediate): Do not depend on cld type attribute.
2291
        (length_address): Ditto.
2292
        (modrm): Ditto.
2293
        (memory): Ditto.
2294
        (cld): Remove insn pattern.
2295
        (strmov_singleop): Do not use DIRFLAG_REG.
2296
        (*strmovdi_rex_1): Ditto.
2297
        (*strmovsi_1): Ditto.
2298
        (*strmovsi_rex_1): Ditto.
2299
        (*strmovhi_1): Ditto.
2300
        (*strmovhi_rex_1): Ditto.
2301
        (*strmovqi_1): Ditto.
2302
        (*strmovqi_rex_1): Ditto.
2303
        (rep_mov): Ditto.
2304
        (*rep_movdi_rex64): Ditto.
2305
        (*rep_movsi): Ditto.
2306
        (*rep_movsi_rex64): Ditto.
2307
        (*rep_movqi): Ditto.
2308
        (*rep_movqi_rex64): Ditto.
2309
        (strset_singleop): Ditto.
2310
        (*strsetdi_rex_1): Ditto.
2311
        (*strsetsi_1): Ditto.
2312
        (*strsetsi_rex_1): Ditto.
2313
        (*strsethi_1): Ditto.
2314
        (*strsethi_rex_1): Ditto.
2315
        (*strsetqi_1): Ditto.
2316
        (*strsetqi_rex_1): Ditto.
2317
        (rep_stos): Ditto.
2318
        (*rep_stosdi_rex64): Ditto.
2319
        (*rep_stossi): Ditto.
2320
        (*rep_stossi_rex64): Ditto.
2321
        (*rep_stosqi): Ditto.
2322
        (*rep_stosqi_rex64): Ditto.
2323
        (cmpstrnsi): Do not generate cld insn.
2324
        (cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
2325
        (*cmpstrnqi_nz_1): Ditto.
2326
        (*cmpstrnqi_nz_rex_1): Ditto.
2327
        (cmpstrnqi_1): Ditto.
2328
        (*cmpstrnqi_1): Ditto.
2329
        (*cmpstrnqi_rex_1): Ditto.
2330
        (strlenqi_1): Ditto.
2331
        (*strlenqi_1): Ditto.
2332
        (*strlenqi_rex_1): Ditto.
2333
 
2334
        * config/i386/geode.md (shift): Do not depend on cld type attribute.
2335
        * config/i386/pentium.md (pent_cld): Remove insn reservation.
2336
        * config/i386/athlon.md (athlon_decode): Do not depend on cld
2337
        type attribute.
2338
        * config/i386/ppro.md (ppro_cld): Remove insn reservation.
2339
        * config/i386/k6.md (k6_alux_only): Do not depend on cld type
2340
        attribute.
2341
        (k6_alux_only_load): Ditto.
2342
        (k6_alux_only_store): Ditto.
2343
 
2344
        * config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
2345
        Do not emit cld instruction.
2346
        (ix86_expand_setmem): Ditto.
2347
        (ix86_expand_strlen): Do not emit cld instruction.
2348
 
2349
2006-12-06  Bernd Schmidt  
2350
 
2351
        * config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
2352
        old ones.
2353
 
2354
2006-12-06  Diego Novillo  
2355
 
2356
        * gdbinit.in: Set complaints to 0.
2357
 
2358
2006-12-06  Jan Hubicka  
2359
 
2360
        * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
2361
        ALONE_MEM_STAT_DECL): New macros.
2362
        * bitmap.h: Include statistics.h
2363
        (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
2364
        (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
2365
        (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
2366
        * bitmap.c: Include hashtab.h
2367
        (bitmap_descriptor): New.
2368
        (bitmap_hash): New static variable
2369
        (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
2370
        New static functions.
2371
        (bitmap_register): New.
2372
        (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
2373
        bitmap_obstack_release): Do accounting.
2374
        (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
2375
        accounting.
2376
        (bitmap_gc_alloc_stat): Likewise.
2377
        (bitmap_obstack_free, bitmap_find_bit): Do statictics.
2378
        (print_statistics, dump_bitmap_statistics): New functions.
2379
        * toplev.c (finalize): Dump bitmap statistics.
2380
 
2381
2006-12-06  Bernd Schmidt  
2382
 
2383
        * reload1.c (delete_output_reload): Count occurrences in
2384
        CALL_INSN_FUNCTION_USAGE.
2385
        * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
2386
        crashing at the end of the list.
2387
 
2388
2006-12-05  Daniel Berlin  
2389
 
2390
        * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
2391
        Optimize to avoid marking more SMT's as used when they aren't.
2392
 
2393
2006-12-05  Eric Christopher  
2394
 
2395
        * config/i386/i386.c (x86_output_aligned_bss): Move out
2396
        of COMMON_ASM_OP ifdef.
2397
 
2398
2006-12-05  Eric Christopher  
2399
 
2400
        * config/darwin.h (DARWIN_EXTRA_SPECS): New.
2401
        (STARTFILE_SPEC): Use.
2402
        (DARWIN_DYLIB1_SPEC): New.
2403
        (DARWIN_CRT1_SPEC): New.
2404
        * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
2405
        DARWIN_EXTRA_SPECS.
2406
        * config/i386/darwin.h: Ditto.
2407
        * config/rs6000/darwin.h: Ditto.
2408
 
2409
2006-12-05  Daniel Berlin  
2410
 
2411
        * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
2412
        * tree-complex.c (pass_lower_complex): Ditto.
2413
        * tree-ssa-ccp.c (pass_ccp): Ditto.
2414
        (pass_store_ccp): Ditto.
2415
        * tree-ssa-dom.c (pass_dominator): Ditto.
2416
        (pass_phi_only_cprop): Ditto.
2417
        * tree-sra.c (pass_sra): Ditto.
2418
        * tree-ssa-forwprop.c (pass_forwprop): Ditto.
2419
        * tree-flow.h (updating_used_alone): Remove.
2420
        (updating_used_alone): Ditto.
2421
        * tree-ssa-alias.c (updating_used_alone): Remove variable.
2422
        (lhs_may_store_to): Remove function.
2423
        (recalculate_used_alone): Ditto.
2424
        (compute_may_aliases): Remove used_alone calculation.
2425
        * tree.h (struct tree_memory_tag): Remove is_used_alone and
2426
        old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
2427
        * tree-pass.h (PROP_smt_usage): Remove.
2428
        * passes.c (execute_todo): Remove used alone recalculation.
2429
        (execute_one_pass): Ditto.
2430
        * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
2431
        stuff.
2432
 
2433
2006-12-05  Brooks Moses  
2434
 
2435
        * doc/include/texinfo.tex: Update to version 2006-11-08.17.
2436
 
2437
2006-12-05  Zdenek Dvorak 
2438
 
2439
        PR tree-optimization/14784
2440
        * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
2441
 
2442
2006-12-05  Aldy Hernandez  
2443
 
2444
        Merge from gimple-tuples-branch.
2445
 
2446
        2006-12-04  Aldy Hernandez  
2447
 
2448
        * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
2449
        GIMPLE_MODIFY_STMT.
2450
        (s390_gimplify_va_arg): Same.
2451
        * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
2452
        * config/sh/sh.c (sh_va_start): Same.
2453
        (sh_gimplify_va_arg_expr): Same.
2454
        * config/xtensa/xtensa.c (xtensa_va_start): Same.
2455
        (xtensa_gimplify_va_arg_expr): Same.
2456
        * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
2457
        * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
2458
        * config/mips/mips.c (mips_va_start): Same.
2459
        (mips_gimplify_va_arg_expr): Same.
2460
 
2461
        2006-12-04  Aldy Hernandez  
2462
 
2463
        * Merge from mainline at revision 119445.
2464
 
2465
        2006-12-04  Aldy Hernandez  
2466
 
2467
        * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
2468
        GIMPLE_MODIFY_STMT.
2469
        (spu_gimplify_va_arg_expr): Same.
2470
 
2471
        2006-12-04  Aldy Hernandez  
2472
 
2473
        * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2474
        Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
2475
        (xstormy16_expand_builtin_va_arg): Same.
2476
 
2477
        2006-12-04  Aldy Hernandez  
2478
 
2479
        * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
2480
        to GIMPLE_MODIFY_STMT.
2481
 
2482
        2006-12-04  Aldy Hernandez  
2483
 
2484
        * config/alpha/alpha.c (va_list_skip_additions): Change all
2485
        occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
2486
        (alpha_va_start): Same.
2487
        (alpha_gimplify_va_arg_1): Same.
2488
        (alpha_gimplify_va_arg): Same.
2489
 
2490
        2006-12-01  Aldy Hernandez  
2491
 
2492
        * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
2493
 
2494
        2006-12-01  Aldy Hernandez  
2495
 
2496
        * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
2497
        GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
2498
        GENERIC_TREE_TYPE.
2499
        * tree-complex.c: Same.
2500
        * tree-pretty-print.c: Same.
2501
        * tree.c: Same.
2502
        * tree.h: Same.
2503
        * builtins.c: Same.
2504
        * fold-const.c: Same.
2505
        * tree-ssa-dom.c: Same.
2506
        * tree-ssa-propagate.c: Same.
2507
        * tree-ssa-alias.c: Same.
2508
        * gimple-low.c: Same.
2509
        * dwarf2out.c: Same.
2510
        * c-pretty-print.c: Same.
2511
        * gimplify.c: Same.
2512
        * tree-inline.c: Same.
2513
        * tree-outof-ssa.c: Same.
2514
        * tree-ssa-structalias.c: Same.
2515
        * tree-ssa-reassoc.c: Same.
2516
        * stmt.c: Same.
2517
 
2518
        2006-11-16  Aldy Hernandez  
2519
 
2520
        * tree.c (build2_stat): Fix comment.
2521
 
2522
        2006-11-13  Aldy Hernandez  
2523
 
2524
        * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
2525
        TREE_OPERAND when appropriate.
2526
 
2527
        2006-11-04  Aldy Hernandez  
2528
 
2529
        * java/java-tree.h (lang_tree_node): Handle gimple tuples.
2530
        (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
2531
        (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
2532
        * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
2533
        not handle GIMPLE_MODIFY_STMT in the switch statement.
2534
        (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
2535
        (java_gimplify_new_array_init): Same.
2536
 
2537
        2006-11-03  Aldy Hernandez  
2538
 
2539
        * gimplify.c (gimplify_omp_for): Allow gimple statements.
2540
        * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
2541
        * fold-const.c (fold_binary): Allow gimple statements.
2542
        (fold): Same.
2543
        * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
2544
        Rename from gfc_conv_descriptor_data_set.
2545
        Call gfc_add_modify instead of gfc_add_modify_expr.
2546
        * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
2547
        Rename from gfc_conv_descriptor_data_set.
2548
        (gfc_conv_descriptor_data_set): New macro.
2549
        (gfc_conv_descriptor_data_set_tuples): New macros.
2550
        * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
2551
        gfc_conv_descriptor_data_set_tuples.
2552
        * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
2553
        Generate GIMPLE_MODIFY_STMT when appropriate.
2554
        * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
2555
        (gfc_add_modify_expr): New macro.
2556
        (gfc_add_modify_stmt): New macro.
2557
        * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
2558
 
2559
        2006-11-01  Aldy Hernandez  
2560
 
2561
        * Merge from mainline at revision 118200.
2562
 
2563
        2006-10-09  Aldy Hernandez  
2564
 
2565
        * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
2566
        accordingly.
2567
 
2568
        2006-10-09  Aldy Hernandez  
2569
 
2570
        * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
2571
        enable checking.
2572
        Also, add __extension__ to GCC versions.
2573
        * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2574
        * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
2575
        patrol.
2576
 
2577
        2006-10-05  Aldy Hernandez  
2578
 
2579
        * tree-complex.c (expand_complex_libcall): Adjust for
2580
        GIMPLE_MODIFY_STMT.
2581
        (expand_complex_comparison): Same.
2582
        * tree-pretty-print.c (dump_generic_node): Is_expr should include
2583
        GIMPLE_STMT_P statements.
2584
        * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
2585
        GIMPLE_MODIFY_STMT.
2586
        (tree_mod_pow2_value_transform): Same.
2587
        (tree_mod_subtract_transform): Same.
2588
        * tree.c (build2_stat): Check for gimplified function in cfun.
2589
        * tree.h (DECL_GIMPLIFIED): Delete.
2590
        (struct tree_function_decl): Remove gimplified_flag.
2591
        * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
2592
        * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
2593
        (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
2594
        (cxx_omp_clause_copy_ctor): Same.
2595
        (cxx_omp_clause_assign_op): Same.
2596
        * c-pretty-print.c (pp_c_conditional_expression): Same.
2597
        (pp_c_expression): Same.
2598
        * langhooks.c (lhd_omp_predetermined_sharing): Same.
2599
        * function.h (struct function): Add gimplified field.
2600
        * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
2601
        GIMPLE_MODIFY_STMT.
2602
        (find_phi_replacement_condition): Same.
2603
        * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
2604
        (gimplify_modify_expr_to_memset): Same.
2605
        (gimplify_init_ctor_eval_range): Same.
2606
        (gimplify_modify_expr_complex_part): Same.
2607
        (tree_to_gimple_tuple): Same.
2608
        (gimplify_modify_expr): Same.
2609
        (gimple_push_cleanup): Same.
2610
        (gimplify_omp_for): Same.
2611
        (gimplify_omp_atomic_pipeline): Same.
2612
        (gimplify_omp_atomic_mutex): Same.
2613
        (gimplify_expr): Same.
2614
        (gimplify_one_sizepos): Same.
2615
        (gimplify_function_tree): Same.
2616
        * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
2617
        (vect_recog_widen_sum_pattern): Same.
2618
        * tree-vect-transform.c (get_initial_def_for_reduction): Same.
2619
        (vect_create_epilog_for_reduction): Same.
2620
        (vectorizable_reduction): Same.
2621
 
2622
        2006-09-28  Aldy Hernandez  
2623
 
2624
        * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
2625
        * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
2626
        (ifc_temp_var): Same.
2627
        * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
2628
        for gimple statements.
2629
        (vect_analyze_operations): Same.
2630
        (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
2631
        * gimplify.c (gimplify_return_expr): Handle gimple statements.
2632
        * lambda-code.c (can_put_in_inner_loop): Same.
2633
        (can_put_after_inner_loop): Same.
2634
        * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
2635
        (vect_create_data_ref_ptr): Same.
2636
        (vect_init_vector): Same.
2637
        (vect_get_vec_def_for_operand): Same.
2638
        (vect_create_epilog_for_reduction): Same.
2639
        (vectorizable_reduction): Same.
2640
        (vectorizable_assignment): Same.
2641
        (vectorizable_operation): Same.
2642
        (vectorizable_load): Same.
2643
        (vectorizable_condition): Same.
2644
        * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
2645
        (rs6000_gimplify_va_arg): Same.
2646
 
2647
        2006-09-25  Aldy Hernandez  
2648
 
2649
        * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
2650
        GIMPLE_STMT_OPERAND.
2651
        (simplify_abs_using_ranges): Same.
2652
        * tree-complex.c (expand_complex_operations_1): Use
2653
        PROTECTED_TREE_OPERAND.
2654
        * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
2655
        stmt.
2656
        (get_val_for): Use GIMPLE_STMT_OPERAND.
2657
        * tree-tailcall.c (adjust_accumulator_values): Same.
2658
        (adjust_return_value): Same.
2659
        * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
2660
        case.  Remove special case for tcc_gimple_stmt.
2661
        * tree.h (CAN_HAVE_LOCATION_P): New.
2662
        * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
2663
        GIMPLE_STMT_P.
2664
        * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
2665
        * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
2666
        * tree-nrv.c (execute_return_slot_opt): Same.
2667
        * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
2668
        * tree-vn.c (set_value_handle): Same.
2669
        (get_value_handle): Same.
2670
        * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
2671
        * tree-vectorizer.c (find_loop_location): Same.
2672
        * c-typeck.c (c_process_expr_stmt): Same.
2673
        (c_finish_stmt_expr): Same.
2674
        * gimplify.c (should_carry_locus_p): Same.
2675
        (tree_to_gimple_tuple): Delete definition and use of unecessary
2676
        variable save_tree_block.
2677
        * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
2678
        (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
2679
        (realify_fake_stores): Same.
2680
        * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
2681
        Use TREE_OPERAND.
2682
        * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
2683
        (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
2684
        * tree-cfg.c (move_stmt_r): Use EXPR_P.  Check for GIMPLE_STMT_P.
2685
        * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
2686
        (c_parser_statement_after_labels): Same.
2687
        (c_parser_paren_condition): Same.
2688
        (c_parser_for_statement): Same.
2689
        (c_parser_omp_for_loop): Same.
2690
        * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
2691
        (linearize_expr_tree): Same.
2692
        * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
2693
        * function.c (instantiate_expr): Same.
2694
 
2695
        2006-09-22  Aldy Hernandez  
2696
 
2697
        * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
2698
        (set_expr_location): Same.
2699
        (expr_locus): Same.
2700
        (set_expr_locus): Same.
2701
        (expr_filename): Same.
2702
        (expr_lineno): Same.
2703
        (tree_block): Use GIMPLE_STMT_BLOCK.
2704
        (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
2705
        * tree.h (struct gimple_stmt): Remove prev and next.
2706
        (GIMPLE_STMT_OPERAND_CHECK): New.
2707
        (TREE_TO_GIMPLE_STMT): Delete.
2708
        (GIMPLE_STMT_TO_TREE): Delete.
2709
        (GIMPLE_STMT_OPERAND): Use union, not cast.
2710
        (GIMPLE_STMT_LOCUS): New.
2711
        (GIMPLE_STMT_BLOCK): New.
2712
        * gimplify.c (tree_to_gimple_tuple): Use union.  Do not cast
2713
        to tree_base.
2714
        * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
2715
 
2716
        2006-09-21  Aldy Hernandez  
2717
 
2718
        * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
2719
        to base.
2720
        * tree-tailcall.c (adjust_return_value): Same.
2721
        * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
2722
        (copy_node_stat): Change common.base to base.
2723
        (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
2724
        Remove GIMPLE_STATEMENT_LIST case.
2725
        * tree.h (struct gimple_stmt): Make operands of type tree.
2726
        (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
2727
        CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
2728
        TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
2729
        TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
2730
        TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
2731
        TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
2732
        TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
2733
        BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
2734
        TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
2735
        CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
2736
        TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
2737
        TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
2738
        SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
2739
        Change common.base to base.
2740
        (GIMPLE_STATEMENT_LIST*): Remove.
2741
        (union tree_node): Add base.  Remove gimple_statement_list.
2742
        Remove pointer from gstmt.
2743
        * tree-ssa-propagate.c (set_rhs): Change common.base to base.
2744
        * treestruct.def: Add TS_BASE.  Remove TS_GIMPLE_STATEMENT_LIST.
2745
        * tree-vn.c (vn_compute): Change common.base to base.
2746
        * tree-eh.c (verify_eh_throw_stmt_node): Same.
2747
        * tree-flow-inline.h (var_ann): Same.
2748
        (function_ann): Same.
2749
        (stmt_ann): Same.
2750
        (mark_non_addressable): Same.
2751
        * gimplify.c (tree_to_gimple_tuple): Same.
2752
        * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
2753
        * tree-dfa.c (create_var_ann): Change common.base to base.
2754
        (create_function_ann): Same.
2755
        (create_stmt_ann): Same.
2756
        (create_tree_ann): Same.
2757
        (collect_dfa_stats_r): Same.
2758
        * tree-ssa-pre.c (NECESSARY): Change common.base to base.
2759
        * tree-ssa-dce.c (NECESSARY): Same.
2760
        * tree-ssa.c (delete_tree_ssa): Same.
2761
        * tree-optimize.c (execute_free_cfg_annotations): Same.
2762
        * tree-flow.h: Same.
2763
 
2764
        2006-09-19  Aldy Hernandez  
2765
 
2766
        * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
2767
        (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
2768
        GIMPLE_MODIFY_STMT.
2769
        * tree.h (struct gimple_stmt): Add prev and next fields.
2770
        (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
2771
        (GIMPLE_STATEMENT_LIST_HEAD): New.
2772
        (GIMPLE_STATEMENT_LIST_TAIL): New.
2773
        (struct gimple_statement_list): New.
2774
        (union tree_node): Add gimple_stmt_list and gstmt.
2775
        * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
2776
        * tree.def: Add GIMPLE_STATEMENT_LIST.
2777
 
2778
        2006-09-06  Aldy Hernandez  
2779
 
2780
        * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
2781
        * tree-vrp.c (build_assert_expr_for): Change uses of
2782
        MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2783
        (find_assert_locations): Same.
2784
        (remove_range_assertions): Same.
2785
        (stmt_interesting_for_vrp): Same.
2786
        (vrp_visit_assignment): Same.
2787
        (vrp_visit_stmt): Same.
2788
        (simplify_cond_using_ranges): Same.
2789
        * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
2790
        tree structure.
2791
        * tree-ssa-loop-im.c (movement_possibility): Change uses of
2792
        MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2793
        (stmt_cost): Same.
2794
        (determine_invariantness_stmt): Same.
2795
        (schedule_sm): Same.
2796
        (gather_mem_refs_stmt): Same.
2797
        * tree-complex.c (init_dont_simulate_again): Same.
2798
        (complex_visit_stmt): Same.
2799
        (set_component_ssa_name): Same.
2800
        (expand_complex_move): Same.
2801
        (expand_complex_div_wide): Same.
2802
        (expand_complex_comparison): Same.
2803
        (expand_complex_operations_1): Same.
2804
        * tree-ssa-loop-niter.c (expand_simple_operations): Same.
2805
        (chain_of_csts_start): Same.
2806
        (infer_loop_bounds_from_undefined): Same.
2807
        * tree-pretty-print.c (dump_generic_node): Same.
2808
        (op_prio): Same.
2809
        (op_symbol_1): Same.
2810
        * tree-ssa-loop-manip.c (create_iv): Same.
2811
        * value-prof.c (tree_divmod_fixed_value): Same.
2812
        (tree_divmod_fixed_value_transform): Same.
2813
        (tree_mod_pow2): Same.
2814
        (tree_mod_pow2_value_transform): Same.
2815
        (tree_mod_subtract): Same.
2816
        (tree_mod_subtract_transform): Same.
2817
        (tree_divmod_values_to_profile): Same.
2818
        * tree-tailcall.c (process_assignment): Same.
2819
        (find_tail_calls): Same.
2820
        (adjust_accumulator_values): Same.
2821
        (adjust_return_value): Same.
2822
        (eliminate_tail_call): Same.
2823
        * tree.c (tree_code_size): Handle tcc_gimple_stmt.
2824
        (make_node_stat): Same.
2825
        (copy_node_stat): Handle gimple tuples.
2826
        (expr_align): Handle GIMPLE_MODIFY_STMT.  Abort on MODIFY_EXPR.
2827
        (tree_node_structure): Handle tcc_gimple_stmt.
2828
        (build2_stat): Abort on MODIFY_EXPR after gimplification.  Handle
2829
        tcc_gimple_stmt.
2830
        (build2_gimple_stat): New.
2831
        (expr_location): New.
2832
        (set_expr_location): New.
2833
        (expr_has_location): New.
2834
        (expr_locus): New.
2835
        (set_expr_locus): New.
2836
        (expr_filename): New.
2837
        (expr_lineno): New.
2838
        (walk_tree): Handle tcc_gimple_stmt.
2839
        (tree_block): New.
2840
        (protected_tree_operand): New.
2841
        (protected_tree_type): New.
2842
        (tree_code_kind): Add gimple statements.
2843
        * tree.h (tree_code_class): Add tcc_gimple_stmt.
2844
        (IS_GIMPLE_STMT_CODE_CLASS): New.
2845
        (struct tree_base): New.
2846
        (struct tree_common): Shrink.
2847
        (struct gimple_stmt): New.
2848
        (struct gimple_expr): New.
2849
        (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
2850
        CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
2851
        TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
2852
        TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
2853
        TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
2854
        FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
2855
        TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
2856
        BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
2857
        TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
2858
        DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
2859
        TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
2860
        IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
2861
        TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
2862
        TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
2863
        Adjust for new `common' layout.
2864
        (struct tree_function_decl): Add gimplified_flag.
2865
        (DECL_GIMPLIFIED): NEW.
2866
        (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
2867
        SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
2868
        EXPR_HAS_LOCATION): Call corresponding function.
2869
        (GIMPLE_STMT_CHECK): New.
2870
        (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
2871
        (TREE_BLOCK): Call tree_block.
2872
        (GIMPLE_STMT_P): New.
2873
        (GIMPLE_TUPLE_P): New.
2874
        (TREE_TO_GIMPLE_STMT): New.
2875
        (GIMPLE_STMT_TO_TREE): New.
2876
        (GIMPLE_STMT_OPERAND): New.
2877
        (GIMPLE_TUPLE_HAS_LOCUS_P): New.
2878
        (PROTECTED_TREE_OPERAND): New.
2879
        (PROTECTED_TREE_TYPE): New.
2880
        (build2_gimple_stat): Protoize.
2881
        (build2_gimple): New.
2882
        (expr_location): Protoize.
2883
        (set_expr_location): Protoize.
2884
        (expr_has_location): Protoize.
2885
        (expr_locus): Protoize.
2886
        (set_expr_locus): Protoize.
2887
        (expr_filename): Protoize.
2888
        (expr_lineno): Protoize.
2889
        (tree_block): Protoize.
2890
        (protected_tree_operand): Protoize.
2891
        (protected_tree_type): Protoize.
2892
        (enum tree_node_kind): Add gimple_stmt_kind.
2893
        * c-decl.c (union lang_tree_node): Tuples do not have a
2894
        TREE_CHAIN.
2895
        * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
2896
        GIMPLE_MODIFY_STMT and adjust accordingly.
2897
        * tree-scalar-evolution.c (follow_ssa_edge): Same.
2898
        (interpret_condition_phi): Same.
2899
        (pointer_used_p): Same.
2900
        (analyze_scalar_evolution_1): Same.
2901
        (scev_const_prop): Same.
2902
        (interpret_rhs_modify_stmt): Rename from
2903
        interpret_rhs_modify_expr.
2904
        * builtins.c (std_expand_builtin_va_start): Change uses of
2905
        MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2906
        (std_gimplify_va_arg_expr): Same.
2907
        (expand_builtin_va_copy): Same.
2908
        (integer_valued_real_p): Same.
2909
        * fold-const.c (maybe_lvalue_p): Same.
2910
        (fold_unary): Same.
2911
        (tree_expr_nonnegative_p): Same.
2912
        (tree_expr_nonzero_p): Same.
2913
        * omp-low.c (extract_omp_for_data): Same.
2914
        (lower_rec_input_clauses): Same.
2915
        (lower_reduction_clauses): Same.
2916
        (lower_copyprivate_clauses): Same.
2917
        (lower_send_clauses): Same.
2918
        (lower_send_shared_vars): Same.
2919
        (expand_parallel_call): Same.
2920
        (expand_omp_parallel): Same.
2921
        (expand_omp_for_generic): Same.
2922
        (expand_omp_for_static_nochunk): Same.
2923
        (expand_omp_for_static_chunk): Same.
2924
        (expand_omp_sections): Same.
2925
        (lower_omp_single_copy): Same.
2926
        (lower_omp_parallel): Same.
2927
        * tree-ssa-dse.c (memory_address_same): Same.
2928
        (dse_optimize_stmt): Same.
2929
        * ipa-reference.c (scan_for_static_refs): Same.
2930
        * tree-gimple.c (is_gimple_reg_rhs): Same.
2931
        (get_call_expr_in): Same.
2932
        (recalculate_side_effects): Same.
2933
        * cgraphunit.c (cgraph_create_edges): Same.
2934
        * tree-ssa-copyrename.c (rename_ssa_copies): Same.
2935
        * tree-ssa-ccp.c (get_default_value): Same.
2936
        (likely_value): Same.
2937
        (visit_assignment): Same.
2938
        (ccp_visit_stmt): Same.
2939
        (get_maxval_strlen): Same.
2940
        (ccp_fold_builtin): Same.
2941
        * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
2942
        (find_givs_in_stmt): Same.
2943
        (find_interesting_uses_op): Same.
2944
        (find_interesting_uses_stmt): Same.
2945
        (rewrite_use_nonlinear_expr): Same.
2946
        * ipa-pure-const.c (scan_function): Same.
2947
        * tree-stdarg.c (va_list_counter_bump): Same.
2948
        (check_all_va_list_escapes): Same.
2949
        (execute_optimize_stdarg): Same.
2950
        * tree-ssa-math-opts.c (compute_merit): Same.
2951
        (insert_reciprocals): Same.
2952
        (execute_cse_reciprocals): Same.
2953
        * tree-ssa-dom.c (initialize_hash_element): Same.
2954
        (simple_iv_increment_p): Same.
2955
        (record_equivalences_from_stmt): Same.
2956
        (optimize_stmt): Same.
2957
        (remove_stmt_or_phi): Same.
2958
        (get_rhs_or_phi_arg): Same.
2959
        (get_lhs_or_phi_result): Same.
2960
        (propagate_rhs_into_lhs): Same.
2961
        * tree-nrv.c (tree_nrv): Same.
2962
        (execute_return_slot_opt): Same.
2963
        * tree-ssa-propagate.c (get_rhs): Same.
2964
        (set_rhs): Same.
2965
        (stmt_makes_single_load): Same.
2966
        (stmt_makes_single_store): Same.
2967
        (replace_vuses_in): Same.
2968
        (fold_predicate_in): Same.
2969
        (substitute_and_fold): Same.
2970
        * tree-ssa-alias.c (compute_call_clobbered): Same.
2971
        (recalculate_used_alone): Same.
2972
        (count_uses_and_derefs): Same.
2973
        (is_escape_site): Same.
2974
        (find_used_portions): Same.
2975
        * gimple-low.c (lower_stmt): Same.
2976
        (block_may_fallthru): Same.
2977
        (lower_return_expr): Same.
2978
        * tree-ssa-sink.c (is_hidden_global_store): Same.
2979
        (statement_sink_location): Same.
2980
        * dwarf2out.c (loc_descriptor_from_tree_1): Same.
2981
        * expr.c (safe_from_p): Same.
2982
        (expand_expr_real): Same.
2983
        (expand_expr_real_1): Same.
2984
        * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
2985
        * predict.c (expr_expected_value): Same.
2986
        (strip_builtin_expect): Same.
2987
        (apply_return_prediction): Same.
2988
        (tree_bb_level_predictions): Same.
2989
        (tree_estimate_probability): Same.
2990
        * tree-vn.c (vn_compute): Same.
2991
        * tree-eh.c (add_stmt_to_eh_region_fn): Same.
2992
        (remove_stmt_from_eh_region_fn): Same.
2993
        (do_return_redirection): Same.
2994
        (honor_protect_cleanup_actions): Same.
2995
        (lower_try_finally_switch): Same.
2996
        (lower_eh_constructs_1): Same.
2997
        (tree_could_throw_p): Same.
2998
        (verify_eh_throw_stmt_node): Same.
2999
        * function.c (gimplify_parameters): Same.
3000
        * tree-vectorizer.c (vect_is_simple_use): Same.
3001
        (vect_is_simple_reduction): Same.
3002
        * ipa-type-escape.c (scan_for_refs): Same.
3003
        * tree-if-conv.c (tree_if_conversion): Same.
3004
        (tree_if_convert_stmt): Same.
3005
        (if_convertible_gimplify_modify_stmt_p): Rename from
3006
        if_convertible_modify_expr_p.
3007
        (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
3008
        (ifc_temp_var): Same.
3009
        (replace_phi_with_cond_modify_stmt): Rename from
3010
        replace_phi_with_cond_modify_expr.
3011
        (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
3012
        * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
3013
        * tree-data-ref.c (find_data_references_in_loop): Adjust for
3014
        GIMPLE_MODIFY_STMT.
3015
        * tree-flow-inline.h (var_ann): Same.
3016
        (function_ann): Same.
3017
        (stmt_ann): Same.
3018
        (mark_non_addressable): Same.
3019
        * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
3020
        * gimplify.c (tree_to_gimple_tuple): New.
3021
        (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
3022
        (gimplify_return_expr): Same.
3023
        (gimplify_decl_expr): Same.
3024
        (gimplify_self_mod_expr): Same.
3025
        (gimplify_cond_expr): Same.
3026
        (gimplify_init_constructor): Same.
3027
        (gimplify_modify_expr): Same.
3028
        (gimplify_expr): Same.
3029
        (gimplify_function_tree): Same.
3030
        (force_gimple_operand): Same.
3031
        * tree-ssa-phiopt.c (conditional_replacement): Same.
3032
        (minmax_replacement): Same.
3033
        (abs_replacement): Same.
3034
        * tree-dfa.c (create_var_ann): Same.
3035
        (create_function_ann): Same.
3036
        (create_stmt_ann): Same.
3037
        (create_tree_ann): Same.
3038
        (collect_dfa_stats_r): Same.
3039
        * tree-ssa-pre.c (find_or_generate_expression): Same.
3040
        (create_expression_by_pieces): Same.
3041
        (try_look_through_load): Same.
3042
        (insert_fake_stores): Same.
3043
        (realify_fake_stores): Same.
3044
        (compute_avail): Same.
3045
        (eliminate): Same.
3046
        (init_pre): Same.
3047
        (poolify_modify_stmt): Rename from poolify_modify_stmt.
3048
        Adjust for GIMPLE_MODIFY_STMT.
3049
        (NECESSARY): Adjust for new `common' layout.
3050
        * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
3051
        GIMPLE_MODIFY_STMT.
3052
        * tree-sra.c (sra_walk_modify_stmt): Rename from
3053
        sra_walk_modify_expr.
3054
        (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
3055
        (generate_copy_inout): Same.
3056
        (generate_element_copy): Same.
3057
        (generate_element_zero): Same.
3058
        (scalarize_copy): Same.
3059
        * tree-mudflap.c (mf_decl_cache_locals): Same.
3060
        (mf_build_check_statement_for): Same.
3061
        (mf_xform_derefs): Same.
3062
        * ipa-prop.c (ipa_method_modify_stmt): Same.
3063
        * print-tree.c (print_node): Handle gimple tuples.
3064
        Add case for tcc_gimple_stmt.
3065
        * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
3066
        GIMPLE_MODIFY_STMT.
3067
        (copy_prop_visit_assignment): Same.
3068
        (copy_prop_visit_stmt): Same.
3069
        (init_copy_prop): Same.
3070
        * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
3071
        (forward_propagate_into_cond_1): Same.
3072
        (find_equivalent_equality_comparison): Same.
3073
        (tidy_after_forward_propagate_addr): Same.
3074
        (forward_propagate_addr_expr_1): Same.
3075
        (simplify_not_neg_expr): Same.
3076
        (simplify_switch_expr): Same.
3077
        * tree-ssa-dce.c (find_pdom): Same.
3078
        (mark_stmt_if_obviously_necessary): Same.
3079
        (NECESSARY): Adjust for new `common' layout.
3080
        * tree-flow.h: Same.
3081
        * tree-vect-patterns.c (widened_name_p): Adjust for
3082
        GIMPLE_MODIFY_STMT.
3083
        (vect_recog_dot_prod_pattern): Same.
3084
        (vect_recog_widen_sum_pattern): Same.
3085
        (vect_pattern_recog_1): Same.
3086
        * tree-nested.c (init_tmp_var): Same.
3087
        (save_tmp_var): Same.
3088
        (walk_stmts): Same.
3089
        (convert_call_expr): Same.
3090
        (finalize_nesting_tree_1): Same.
3091
        * tree-ssa.c (verify_ssa): Same.
3092
        (delete_tree_ssa): Same.
3093
        * lambda-code.c (lbv_to_gcc_expression): Same.
3094
        (lle_to_gcc_expression): Same.
3095
        (lambda_loopnest_to_gcc_loopnest): Same.
3096
        (can_put_in_inner_loop): Same.
3097
        (can_convert_to_perfect_nest): Same.
3098
        (perfect_nestify): Same.
3099
        * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
3100
        * tree-inline.c (copy_body_r): Same.
3101
        (setup_one_parameter): Same.
3102
        (initialize_inlined_parameters): Same.
3103
        (estimate_num_insns_1): Same.
3104
        (expand_call_inline): Same.
3105
        (gimple_expand_calls_inline): Same.
3106
        (copy_tree_r): Same.
3107
        * tree-optimize.c (execute_free_cfg_annotations): Same.
3108
        * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
3109
        (vect_align_data_ref): Same.
3110
        (vect_create_data_ref_ptr): Same.
3111
        (vect_init_vector): Same.
3112
        (vect_create_epilog_for_reduction): Same.
3113
        (vectorizable_reduction): Same.
3114
        (vectorizable_assignment): Same.
3115
        (vectorizable_operation): Same.
3116
        (vectorizable_store): Same.
3117
        (vectorizable_load): Same.
3118
        (vectorizable_live_operation): Same.
3119
        (vectorizable_condition): Same.
3120
        (vect_generate_tmps_on_preheader): Same.
3121
        (vect_create_cond_for_align_checks): Same.
3122
        * tree-object-size.c (collect_object_sizes_for): Same.
3123
        (check_for_plus_in_loops_1): Same.
3124
        (check_for_plus_in_loops): Same.
3125
        * tree-outof-ssa.c (insert_copy_on_edge): Same.
3126
        (replace_use_variable): Same.
3127
        (check_replaceable): Same.
3128
        (rewrite_trees): Same.
3129
        (identical_copies_p): Same.
3130
        (insert_backedge_copies): Same.
3131
        * tree-profile.c (tree_gen_edge_profiler): Same.
3132
        * tree-vect-generic.c (expand_vector_operations_1): Same.
3133
        * tree-ssa-structalias.c (update_alias_info): Same.
3134
        (find_func_aliases): Same.
3135
        * tree-cfg.c (factor_computed_gotos): Same.
3136
        (make_edges): Same.
3137
        (make_goto_expr_edges): Same.
3138
        (tree_merge_blocks): Same.
3139
        (remove_useless_stmts_cond): Same.
3140
        (remove_useless_stmts_1): Same.
3141
        (tree_find_edge_insert_loc): Same.
3142
        (verify_expr): Same.
3143
        (gimplify_val): Same.
3144
        (verify_gimple_tuples_1): New.
3145
        (verify_gimple_tuples): New.
3146
        (verify_stmts): Call verify_gimple_tuples.
3147
        * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
3148
        (get_unary_op): Same.
3149
        (linearize_expr): Same.
3150
        (get_single_immediate_use): Same.
3151
        (negate_value): Same.
3152
        (should_break_up_subtract): Same.
3153
        (break_up_subtract): Same.
3154
        (repropagate_negates): Same.
3155
        (break_up_subtract_bb): Same.
3156
        (reassociate_bb): Same.
3157
        * config/i386/i386.c (ix86_va_start): Same.
3158
        (ix86_gimplify_va_arg): Same.
3159
        * stmt.c (expand_expr_stmt): Same.
3160
        (warn_if_unused_value): Same.
3161
        (expand_return): Same.
3162
        * tree-ssanames.c (make_ssa_name): Same.
3163
        * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
3164
        * tree-ssa-operands.c (finalize_ssa_defs): Same.
3165
        (add_virtual_operand): Same.
3166
        (get_expr_operands): Same.
3167
        (parse_ssa_operands): Same.
3168
        (get_modify_stmt_operands): Rename from get_modify_expr_operands.
3169
 
3170
2006-12-05  H.J. Lu  
3171
 
3172
        * config.host: Remove extra blank line.
3173
 
3174
2006-12-05  Bernd Schmidt  
3175
 
3176
        * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
3177
        target is also an x86 variant.
3178
 
3179
2006-12-05  Richard Guenther  
3180
 
3181
        * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
3182
        (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
3183
        (ix86_builtin_vectorized_function): New function to vectorize
3184
        sqrt.
3185
 
3186
2006-12-05  Bernd Schmidt  
3187
 
3188
        * config/bfin/bfin.c (output_file_start): Fix comment which referred to
3189
        ia64_override_options.
3190
 
3191
2006-12-04  Jan Hubicka  
3192
 
3193
        * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
3194
        really_expand.
3195
 
3196
2006-12-04  Bernd Schmidt  
3197
 
3198
        * rtlanal.c (note_uses): Deal with SEQUENCEs.
3199
        * config/bfin/bfin.c: Include "timevar.h".
3200
        (bfin_flag_schedule_insns2, splitting_for_sched,
3201
        bfin_flag_var_tracking): New variables.
3202
        (print_operand): Handle '%!'.
3203
        (override_options): Disable normal sched2 pass, instead set
3204
        bfin_flag_schedule_insns2 for reorg to handle it.
3205
        (output_file_start): Likewise for var-tracking.
3206
        (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
3207
        (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
3208
        New functions.
3209
        (bfin_reorg): Do second scheduling pass here, and call
3210
        bfin_gen_bundles.  Use type_for_anomaly and trapping_loads_p instead
3211
        of examining insns directly.  If bfin_flag_var_tracking, call
3212
        var-tracking pass when done with everything else.
3213
        * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
3214
        * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
3215
        (movsi_insn32): New pattern, with two new splits to create it
3216
        before the final scheduling pass.
3217
        (neghi2): Not a dsp32 insn, rather alu0.
3218
        (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
3219
        movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
3220
        extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
3221
        mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
3222
        ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
3223
        movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
3224
        movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
3225
        ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
3226
        addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
3227
        subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
3228
        addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
3229
        flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
3230
        flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
3231
        flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
3232
        flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
3233
        flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
3234
        mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
3235
        lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
3236
        variants instead of ';'.
3237
        (ror_one, rol_one): Likewise.  Make them dsp32 insns.
3238
        (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
3239
        (align8, align16, align24): Now named patterns; also using '%!'.
3240
        (mnop): New insn.
3241
 
3242
2006-12-05  Kazu Hirata  
3243
 
3244
        * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
3245
        tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
3246
 
3247
2006-12-04  Trevor Smigiel  
3248
 
3249
        * config/spu/spu-protos.c (spu_split_address): Add.
3250
        * config/spu/spu.c (spu_split_address): Add.
3251
        (print_operand): Handle HIGH.
3252
        (spu_legitimate_address):  Don't test for aligned CONST.
3253
        (spu_expand_mov):  Don't split addresses here.
3254
        * config/spu/constraints.md (A): Don't test legitimate_const.
3255
        * config/spu/spu.md: Add split of movsi patterns for PIC mode.
3256
        (ceq_di): Use correct predicates.
3257
 
3258
2006-12-04  Eric Christopher  
3259
 
3260
        * config/darwin.h: Update copyright notice.
3261
        * config/i386/darwin.h: Ditto.
3262
 
3263
2006-12-04  Jan Hubicka  
3264
 
3265
        * builtins.c (fold_builtin_memory_op): Check that expr_size match.
3266
        * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
3267
 
3268
2006-12-04  Daniel Berlin  
3269
 
3270
        * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
3271
        set_used_smts.
3272
        * tree-ssa-structalias.c (set_used_smts): Export.
3273
        (find_what_p_points_to): Don't call set_used_smts here.
3274
        * tree-ssa-structalias.h (set_used_smts): Add prototype.
3275
 
3276
2006-12-04  Daniel Berlin  
3277
 
3278
        * tree-ssa-alias.c (compute_may_aliases):
3279
        Compute flow sensitive before flow insensitive.
3280
        (compute_flow_sensitive_aliasing): Don't try to add
3281
        a symbol memory tag to itself.
3282
 
3283
        * alias.h (alias_set_subset_of): New prototype.
3284
 
3285
        * alias.c (alias_set_subset_of): New function.
3286
 
3287
        * tree-ssa-structalias.c: Update comments.
3288
        (struct variable_info): Add finished_solution.
3289
        (new_varinfo): Set finished solution to NULL.
3290
        (var_escaped_vars): Remove.
3291
        (escaped_vars_tree): Remove.
3292
        (escaped_vars_id): Remove.
3293
        (nonlocal_vars_id): Remove.
3294
        (constraint_expr_type): Add INCLUDES.
3295
        (graph_size): Removed.
3296
        (dump_constraint): Support INCLUDES.
3297
        (build_constraint_graph): Ditto.
3298
        (collapse_nodes): Add merge_solutions argument.
3299
        Don't merge attributes.
3300
        (process_unification_queue): Just use collapse_nodes.
3301
        (perform_var_substitution): Update call to collapse_nodes.
3302
        (get_constraint_exp_from_ssa_var): Use INCLUDES.
3303
        (process_constraint): Fix non-field sensitive handling
3304
        Handle includes.
3305
        (get_constraint_for): Use INCLUDES.
3306
        (make_constraint_from_anything): Renamed from
3307
        make_constraint_from_escaped.
3308
        (make_constraint_to_escaped): Removed.
3309
        (find_global_initializers): Removed.
3310
        (create_variable_info_for): Do not make constraints to escaped
3311
        vars anymore.
3312
        (dump_solution_for_var): Don't print out the equivalent points-to
3313
        sets, just use the name of the variable it shares it with.
3314
        (intra_create_variable_infos): Use INCLUDES.
3315
        Change nonlocal variable sets to anything sets.
3316
        (init_base_vars): Remove escaped_vars and nonlocal_var
3317
        initialization.
3318
        (find_escape_constraints): Removed.
3319
        (delete_points_to_sets): Remove dead code.
3320
        (used_smt_calculated): New variable.
3321
        (set_used_smts): New function.
3322
        (merge_smts_into): New function.
3323
        (find_what_p_points_to): Modify to use SMTs.
3324
        (create_nonlocal_var): Remove.
3325
 
3326
        * tree-ssa-operands.c (access_can_touch_variable): Remove
3327
        reference to nonlocal_all.
3328
 
3329
        * tree-ssa.c (verify_name_tags): Remove.
3330
 
3331
2006-12-04  Carlos O'Donell  
3332
 
3333
        * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
3334
        (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
3335
 
3336
2006-12-04  Andrew MacLeod  
3337
 
3338
        * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
3339
        * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
3340
        (add_livein_if_notdef): Delete.
3341
        (loe_visit_block): New.  Propogate live on entry info for a block into
3342
        each predecessor.  If it changes, make sure it is visited again.
3343
        (live_worklist): Visit every block and update the live on entry info
3344
        for preds.  Iterate over any that changed.
3345
        (set_var_live_on_entry): Populate the live on entry blocks with bits
3346
        based on the immediate uses of a var.
3347
        (calculate_live_on_entry): Remove.
3348
        (calculate_live_on_exit): Calculate live on exit based on the newly
3349
        oriented live on entry bits.
3350
        (calculate_live_ranges): Build live on entry and exit vectors.
3351
        (dump_live_info): Use new orientation of live on entry bitmaps.
3352
        (verify_live_on_entry): New.  Split out verification code from old
3353
        calculate_live_on_entry routine.
3354
        * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
3355
        (live_entry_blocks): Rename to live_on_entry and return bitmap for a
3356
        basic_block instead of for a partition.
3357
        (live_merge_and_clear): Add asserts.
3358
        (make_live_on_entry): Set partition bit in basic block vector.
3359
 
3360
2006-12-04  Jakub Jelinek  
3361
 
3362
        PR libgomp/29947
3363
        * omp-low.c (expand_omp_for_static_nochunk,
3364
        expand_omp_for_static_chunk): Do all arithmetics in signed rather than
3365
        unsigned type.
3366
 
3367
        PR middle-end/29965
3368
        * omp-low.c (determine_parallel_type): Don't try to optimize combined
3369
        parallels if region->exit or region->inner->exit is NULL.
3370
        (expand_omp_parallel): Handle NULL region->exit even if cfg is already
3371
        built.
3372
        (expand_omp_for_generic): Handle NULL region->cond and region->exit.
3373
        (expand_omp_for): Use expand_omp_for_generic if either region->cond
3374
        or region->exit is NULL.
3375
        (expand_omp_sections): Handle NULL region->cond or region->exit.
3376
        (expand_omp_synch):
3377
 
3378
2006-12-04  Eric Botcazou  
3379
 
3380
        * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
3381
        * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
3382
 
3383
2006-12-04  Eric Botcazou  
3384
 
3385
        * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
3386
        TYPE_MAX_VALUE for scalar types here but...
3387
        (walk_tree): ...there instead.  Return NULL_TREE if the TYPE_DECL
3388
        is attached an error mark, and the return value of the callback
3389
        if it is not NULL_TREE.
3390
 
3391
2006-12-04  Ben Elliston  
3392
 
3393
        * config/spu/spu.md (_mulv4si3): Remove unused local variables.
3394
 
3395
2006-12-03  Eric Christopher  
3396
 
3397
        PR target/24598
3398
        * config/t-slibgcc-darwin: Pass -install_name.
3399
        * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
3400
        libtool. Only pass through options that the linker recognizes.
3401
        (LINK_SPEC): Update comment. Translate options.
3402
        (STARTFILE_SPEC): Add dylib1.o for shared libraries.
3403
        * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
3404
 
3405
2006-12-03  Dorit Nuzman  
3406
 
3407
        * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
3408
 
3409
2006-12-03  Uros Bizjak  
3410
 
3411
        PR target/30041
3412
        * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
3413
        operands[1] in insn constraint.  Correct type attribute to sselog1.
3414
 
3415
2006-12-02  H.J. Lu  
3416
 
3417
        PR target/30040
3418
        * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
3419
        (bit_SSSE3): New.
3420
        (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
3421
        processor detection.
3422
 
3423
        * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
3424
        -march=native if there is no -mtune=*.
3425
 
3426
        * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
3427
        coretypes.h.
3428
 
3429
2006-12-02  Kaveh R. Ghazi  
3430
 
3431
        * doc/install.texi: Update recommended MPFR version.  Remove
3432
        obsolete reference to cumulative patch.
3433
 
3434
2006-12-02  Lee Millward  
3435
 
3436
        PR c/27953
3437
        * c-decl.c (store_parm_decls_oldstyle): Robustify.
3438
 
3439
2006-11-30  Jan Hubicka  
3440
            Uros Bizjak  
3441
 
3442
        * config/i386/i386.c (pentium4_cost, nocona_cost): Update
3443
        32bit memcpy/memset decriptors.
3444
        (decide_alg): With -minline-all-stringops and sizes that are best
3445
        to be copied via libcall still work hard enough to pick non-libcall
3446
        strategy.
3447
 
3448
2006-12-02  Kazu Hirata  
3449
 
3450
        * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
3451
 
3452
        * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
3453
        config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
3454
        config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
3455
        config/sh/sh4-300.md, config/spu/spu-builtins.def,
3456
        config/spu/spu-c.c, config/spu/spu-modes.def,
3457
        config/spu/spu.c, config/spu/spu.md,
3458
        config/spu/spu_internals.h, config/spu/vmx2spu.h,
3459
        fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
3460
        tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
3461
        tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
3462
        tree-vectorizer.c, tree-vrp.c: Fix comment typos.  Follow
3463
        spelling conventions.
3464
 
3465
        * config/i386/i386.c: Fix a comment typo.
3466
 
3467
2006-12-01  Trevor Smigiel  
3468
 
3469
        * config/spu/spu.c (spu_immediate): Remove trailing comma.
3470
        (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
3471
        * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
3472
        better optimization.
3473
        (floatv4siv4sf2): New.
3474
        (fix_truncv4sfv4si2): New.
3475
        (floatunsv4siv4sf2): New.
3476
        (fixuns_truncv4sfv4si2): New.
3477
        (addv16qi3): New.
3478
        (subv16qi3): New.
3479
        (negv16qi2): New.
3480
        (mulv8hi3): New.
3481
        (mulsi3): Remove.
3482
        (mul3): New.
3483
        (_mulv4si3): New.
3484
        (cmp): Don't accept constant arguments for DI, TI and SF.
3485
        * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
3486
        spu_resolve_overloaded_builtin instead of static inline functions.
3487
 
3488
2006-12-01  Eric Botcazou  
3489
 
3490
        * fold-const.c (fold_binary) : Use the precision of the
3491
        type instead of the size of its mode to compute the highest and
3492
        lowest possible values.  Still check the size of the mode before
3493
        flipping the signedness of the comparison.
3494
 
3495
2006-12-01  Trevor Smigiel  
3496
 
3497
        * config/spu/predicates.md (spu_mov_operand): Add.
3498
        * config/spu/spu.c (spu_expand_extv): Remove unused code.
3499
        (print_operand_address, print_operand): Handle addresses containing AND.
3500
        (spu_split_load, spu_split_store): Use updated movti pattern.
3501
        * config/spu/spu.md: (_mov, _movdi, _movti): Handle loads and
3502
        stores in mov patterns for correct operation of reload.
3503
        (lq, lq_, stq, stq_): Remove.
3504
 
3505
2006-12-01  Volker Reichelt  
3506
 
3507
        PR c++/30021
3508
        * c-common.c (check_main_parameter_types): Check for error_mark_node.
3509
 
3510
2006-12-01  Andrew MacLeod  
3511
 
3512
        * common.opt (ftree-combine-temps): Remove.
3513
        * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
3514
        (coalesce_ssa_name): Don't check for combine-temps.
3515
        (coalesce_vars): Remove.
3516
        (check_replaceable): Use num_imm_uses.
3517
        (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
3518
        check for combine-temps.
3519
        (rewrite_out_of_ssa): Never create a ref_count in the var_map.
3520
        * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
3521
        to register_ssa_partition calls.
3522
        * tree-ssa-live.c (register_ssa_partition): Remove prototype.
3523
        (init_var_map, delete_var_map): remove refernces to ref_count.
3524
        (create_ssa_var_map): Never calculate a ref count.
3525
        (type_var_init): Remove.
3526
        * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
3527
        (SSA_VAR_MAP_REF_COUNT): Delete.
3528
        (create_ssa_var_map): Change Prototype to have no parameters.
3529
        (version_ref_count): Delete.
3530
        (register_ssa_partition): Remove 'is_use' paramater and don't set the
3531
        ref_count vector.
3532
        (type_var_num, type_var, type_var_first_partition,
3533
        type_var_next_partition, type_var_dump, type_var_delete,
3534
        type_var_remove_partition, type_var_find, type_var_compact,
3535
        type_var_decompact): Remove.
3536
 
3537
2006-12-01  Bernd Schmidt  
3538
 
3539
        * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
3540
        attribute.
3541
 
3542
2006-12-01  Richard Guenther  
3543
 
3544
        PR c++/29433
3545
        * dwarf2out.c (struct pubname_struct): Make name const.
3546
        (add_pubtype): Do not xstrdup identifiers.
3547
 
3548
2006-12-01  Bernd Schmidt  
3549
 
3550
        * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
3551
        multiword accesses are in range.
3552
 
3553
2006-12-01  Zdenek Dvorak 
3554
 
3555
        PR tree-optimization/29921
3556
        * tree-ssa-ccp.c (canonicalize_float_value): New function.
3557
        (set_lattice_value): Use canonicalize_float_value.
3558
 
3559
2006-11-30  Andrew Pinski  
3560
 
3561
        * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
3562
        (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
3563
        (spu_cpu_cpp_builtins): Remove.
3564
        (spu_override_options): Don't set warn_main.
3565
        (spu_force_reg): Move from spu-c.c.
3566
        (spu_check_builtin_parm): Likewise.
3567
        (expand_builtin_args): Likewise.
3568
        (spu_expand_builtin_1): Likewise.
3569
        (spu_expand_builtin): Likewise.
3570
        * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
3571
        warn_main and targetm.resolve_overloaded_builtin.
3572
        * config/spu/spu-c.c (spu_builtin_range): Remove.
3573
        (spu_check_builtin_parm): Remove.
3574
        (expand_builtin_args): Remove.
3575
        (spu_expand_builtin_1): Remove.
3576
        (spu_expand_builtin): Remove.
3577
        (spu_cpu_cpp_builtins): Moved from spu.c
3578
        (spu_force_reg): Remove.
3579
 
3580
2006-12-01  Joseph Myers  
3581
            David Edelsohn  
3582
 
3583
        PR target/24036
3584
        * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
3585
        HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
3586
        * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
3587
        HARD_REGNO_NREGS_WITH_PADDING): Define.
3588
        * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
3589
        HARD_REGNO_NREGS_WITH_PADDING): Define.
3590
        * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
3591
        Use new macros to detect modes with holes; do not look at integer
3592
        units.
3593
        (subreg_offset_representable_p): Check for and disallow cases
3594
        where the modes use different numbers of bits from registers.
3595
        * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
3596
        constant for soft-float.
3597
        (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
3598
        containing doubles.
3599
        (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
3600
        in E500 double case.
3601
        * config/rs6000/rs6000.md (movtf): Allow soft-float.
3602
        (movtf_softfloat): New.
3603
 
3604
2006-11-30  Richard Sandiford  
3605
 
3606
        * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
3607
        simplify_gen_subreg.
3608
 
3609
2006-11-30  Andrew Macleod  
3610
 
3611
        * tree-ssa-live.c (create_coalesce_list): Create a hash table.
3612
        (COALESCE_HASH_FN): New.  Define hash function.
3613
        (partition_pair_map_hash): New.  Hash value for a partition pair.
3614
        (partition_pair_map_eq): New.  Equality for hash pairs.
3615
        (create_coalesce_list): Create hash table.
3616
        (delete_coalesce_list): Free hash table.
3617
        (find_partition_pair): Find/create pairs in hash table.
3618
        (compare_pairs):  Sort pairs in ascending order now.
3619
        (num_coalesce_pairs): New.  Number of pairs in hash table.
3620
        (struct partition_pair_iterator): Iterator struct for pair table.
3621
        (first_partition_pair): Iterator function for first pair.
3622
        (end_partition_pair_p): Iterator function for end of iteration.
3623
        (next_partition_pair): Iterator function for next pair.
3624
        (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
3625
        (sort_coalesce_list): Sort pairs from hash table into an array.
3626
        (pop_best_coalesce): Take pairs from the array.
3627
        (dump_coalesce_list): Update to use hash table or sorted array.
3628
        * tree-ssa-live.h (struct partition_pair_d): Remove next field.
3629
        (struct coalesce_list_d): Add hash table related fields.
3630
 
3631
2006-11-30  Jan Hubicka  
3632
 
3633
        PR middle-end/30028
3634
        * builtins.c (fold_builtin_memory_op): Fix typo in the check for
3635
        memmove/bcopy->memcpy conversion.
3636
 
3637
2006-11-30  Carlos O'Donell  
3638
 
3639
        * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
3640
        * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
3641
        Default is the largest alignment supported for 32-bit ELF and
3642
        representable on a 32-bit host.
3643
 
3644
2006-11-30  Janis Johnson  
3645
 
3646
        * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
3647
 
3648
2006-11-30  Jan Hubicka  
3649
 
3650
        * tree-ssa-operands.h (struct ssa_operands): New.
3651
        * tree-flow-inline.h (gimple_ssa_operands): New function.
3652
        * tree-flow.h: (struct gimple_df): Add ssa_operands.
3653
        * Makefile.in: Remove gt-tree-ssa-operands.h
3654
        * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
3655
        (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
3656
        operand_memory, operand_memory_index, ops_active): Remove statics.
3657
        (ALLOC_OPTYPE): Update.
3658
        (operand_build_sort_virtual): Update.
3659
        (ssa_operands_active): Update.
3660
        (init_ssa_operands): Update.
3661
        (fini_ssa_operands): Update.
3662
        (ssa_operand_alloc): Update.
3663
        (INITIALIZE_USE): Update.
3664
        (finalize_ssa_use_ops): Update.
3665
        (finalize_ssa_v_may_def_ops): Update.
3666
        (finalize_ssa_vuse_ops): Update.
3667
        (finalize_ssa_v_must_def_ops): Update.
3668
 
3669
2006-11-30  Richard Guenther  
3670
 
3671
        * tree-vectorizer.h (vectorizable_function): Export.
3672
        * tree-vect-transform.c (vectorizable_function): Likewise.
3673
        * tree-vect-patterns.c (vect_recog_pow_pattern): Set
3674
        type_in to scalar type in recognition of squaring.
3675
        Make sure the target can vectorize sqrt in recognition
3676
        of sqrt, set type_in to vector type in this case.
3677
 
3678
2006-11-30  Uros Bizjak  
3679
 
3680
        * config/i386/i386.md (R10_REG): New constant.
3681
        * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
3682
        (ix86_emit_restore_regs_using_mov): Ditto.
3683
        (ix86_expand_call): Ditto.
3684
        (x86_output_mi_thunk): Ditto. Also use R10_REG.
3685
 
3686
2006-11-30  Steven Bosscher  
3687
 
3688
        * cselib.c (cselib_init): Use special MEM rtx form for callmem.
3689
        * alias.c (canon_true_dependence): Update comment.
3690
 
3691
2006-11-30  Steven Bosscher  
3692
 
3693
        * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
3694
        at the end of a diagnostics message.
3695
 
3696
        * alloc-pool.c (pool_free): Postpone clearing the pool entry
3697
        until after asserting that it was allocated in the right pool.
3698
 
3699
        * cfgrtl.c (print_rtl_with_bb): Print predecessor and
3700
        successor edge information as well.  Make output of live regs
3701
        on exit consistent with live regs on entry.
3702
 
3703
2006-11-30  Uros Bizjak  
3704
 
3705
        PR target/29852
3706
        * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
3707
        insn patterns for TARGET_80387.
3708
        (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
3709
        (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
3710
        (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
3711
        (fmod3, remainder3): Enable expaders for SSE math.
3712
        Generate truncxf2 insn patterns for strict SSE math.
3713
 
3714
2006-11-30  Uros Bizjak  
3715
 
3716
        * config/i386/i386.md (movsf_1): Enable pattern for standard
3717
        80387 constants before reload when optimizing for size.
3718
        (*movdf_nointeger, *movdf_integer): Ditto.
3719
        (*movxf_nointeger, *movxf_integer): Disable patterns for standard
3720
        80387 constants before reload when not optimizing for size.
3721
 
3722
        (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
3723
        extension of XFmode input operands.
3724
 
3725
2006-11-29  Andrew Pinski  
3726
 
3727
        * config/spu/crt0.c (__dso_handle): Define.
3728
 
3729
2006-11-30  Kaz Kojima  
3730
 
3731
        * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
3732
        when clearing the used flags.
3733
 
3734
2006-11-29  Andrew Pinski  
3735
 
3736
        * config/spu/spu.md (extend_compare): Fix whitespace formatting.
3737
 
3738
2006-11-29  Andrew Pinski  
3739
 
3740
        PR target/29945
3741
        * config/spu/spu.md  (extend_compare): New pattern.
3742
        (extend_compare): Change to expand and use the above pattern.
3743
 
3744
2006-11-29  Janis Johnson  
3745
 
3746
        * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
3747
 
3748
        * config/dfp-bit.h (CONTEXT_ROUND): Delete.
3749
        (DFP_INIT_ROUNDMODE): Define.
3750
        * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
3751
        * mklibgcc.in: Fix dependencies for dfp-bit.c.
3752
 
3753
2006-11-29  Tehila Meyzels  
3754
 
3755
        * haifa-sched.c: Remove define LINE_NOTE(INSN).  Remove line_note_head.
3756
        Update documentation.
3757
        (associate_line_notes_with_blocks): Kill.
3758
        (extend_bb): Remove basic block argument, put void instead.
3759
        Remove line number handling for each bb.
3760
        (save_line_notes): Kill.
3761
        (restore_line_notes): Kill.
3762
        (sched_init): Remove line_note_head initialization.
3763
        Change extend_bb call.
3764
        (sched_finish): Remove free of line_note_head.
3765
        (add_block): Change extend_bb call.
3766
        * sched-ebb.c (schedule_ebb): Remove save_line_notes,
3767
        rm_line_notes and restore_line_notes calls.
3768
        (schedule_ebbs): Remove rm_redundant_line_notes.
3769
        * sched-int.h (struct haifa_insn_data): Remove line_note.
3770
        (save_line_notes): Remove declaration.
3771
        (restore_line_notes): Remove declaration.
3772
        * modulo-sched.c (loop_canon_p): Update debug info printing
3773
        by using insn locators instead of line note.
3774
        (sms_schedule): Update debug info printing, by using insn
3775
        locators instead of line note.
3776
        * sched-rgn.c (debug_dependencies): Remove handling of case
3777
        n>0 (line number), since it's a dead code.
3778
        (schedule_region): Remove save_line_notes and
3779
        restore_line_notes calls.
3780
 
3781
2006-11-29  Joseph Myers  
3782
 
3783
        * config/rs6000/predicates.md (gpc_reg_operand): Check
3784
        invalid_e500_subreg.
3785
        * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
3786
        SImode subregs of SPE vectors.
3787
        * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
3788
        * jump.c (true_regnum): Require subregs to satisfy
3789
        subreg_offset_representable_p.
3790
 
3791
2006-11-29  Daniel Berlin  
3792
            Steven Bosscher 
3793
 
3794
        * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
3795
        since it no longer exists.
3796
 
3797
2006-11-29  Duncan Sands  
3798
 
3799
        PR tree-optimization/23744
3800
        * tree-vrp.c (vrp_meet): do not require ranges to intersect.
3801
 
3802
2006-11-29  Duncan Sands  
3803
 
3804
        PR tree-optimization/23744
3805
        * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
3806
 
3807
2006-11-29  Duncan Sands  
3808
 
3809
        PR tree-optimization/23744
3810
        * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
3811
 
3812
2006-11-29  Jie Zhang  
3813
 
3814
        * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
3815
 
3816
2006-11-29  J"orn Rennecke  
3817
 
3818
        * sh.opt (minline-ic_invalidate): New option.
3819
        (musermode): Adjust comment.
3820
        * sh.c (sh_initialize_trampoline): Emit library call unless
3821
        is set; if it is set, don't emit library call if we can use icbi
3822
        instead.
3823
        * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
3824
        icbi for TARGET_SH4_300.
3825
        * t-sh (LIB1ASMFUNCS_CACHE): Set.
3826
        * doc/invoke.texi: Document -minline-ic_invalidate; Update
3827
        -musermode documentation.
3828
 
3829
2006-11-29  Jim Tison  
3830
 
3831
        * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
3832
        __gthread_recursive_mutex_init): Define.
3833
 
3834
2006-11-29  Joseph Myers  
3835
 
3836
        * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
3837
        STRICT_ALIGNMENT and the type is more aligned than the saved
3838
        registers, copy via a temporary.
3839
 
3840
2006-11-28  Andrew Pinski  
3841
 
3842
        PR tree-opt/29984
3843
        * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
3844
        and MIN_EXRP.
3845
 
3846
2006-11-28  Bob Wilson  
3847
 
3848
        * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
3849
 
3850
2006-11-28  Jan Hubicka  
3851
 
3852
        Privatize SSA variables into gimple_df.
3853
        * tree-flow-inline.h
3854
        (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
3855
        gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
3856
        gimple_nonlocal_all): New accessors.
3857
        (first_referenced_var): Update.
3858
        (mark_stmt_modified): Update.
3859
        (is_call_clobbered): Update.
3860
        (mark_call_clobbered): Update.
3861
        (clear_call_clobbered): Update.
3862
        (mark_non_addressable): Update.
3863
        * tree-vrp.c (get_value_range): Update.
3864
        * tree-into-ssa.c (in_ssa_p): Kill.
3865
        (get_default_def_for): Update.
3866
        (rewrite_into_ssa): Update.
3867
        * tree-complex.c (init_parameter_lattice_values): Update.
3868
        (update_complex_assignment): Update.
3869
        (update_parameter_components): Update.
3870
        (expand_complex_libcall): Update.
3871
        (expand_complex_operations_1): Update.
3872
        * tree-tailcall.c (arg_needs_copy_p): Update.
3873
        (add_virtual_phis): Update.
3874
        (tree_optimize_tail_calls_1): Update.
3875
        * tree-ssa-dse.c (memory_ssa_name_same): Update.
3876
        * tree-ssa-copyrename.c
3877
        (copy_rename_partition_coalesce): Update.
3878
        * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
3879
        * tree-ssa-propagate.c (set_rhs): Update.
3880
        * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
3881
        addressable_vars, global_var):Kill.
3882
        (set_initial_properties): Update.
3883
        (init_alias_info): Update.
3884
        (finalize_ref_all_pointers): Update.
3885
        (setup_pointers_and_addressables): Update.
3886
        (maybe_create_global_var): Update.
3887
        (create_global_var): Update.
3888
        (dump_points_to_info): Update.
3889
        * function.h (struct gimple_df): Forward declare.
3890
        (struct function): Add GIMPLE_DF field.
3891
        * gimplify.c (force_gimple_operand): Update.
3892
        * tree-dfa.c (referenced_vars, default_defs): KIll.
3893
        (make_rename_temp): Update.
3894
        (dump_variable): Update.
3895
        (referenced_var_lookup): Update.
3896
        (referenced_var_check_and_insert): Update.
3897
        (default_def): Rename to ...
3898
        (gimple_default_def): ... this one; accept cfun argument.
3899
        (set_default_def): Update.
3900
        * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
3901
        (cleanup_control_flow): Update.
3902
        * tree-ssa-pre.c (compute_avail): Update
3903
        * tree-ssa-live.c (calculate_live_on_entry): Update.
3904
        * tree-ssa.c (verify_use): Update.
3905
        (verify_call_clobbering): Update.
3906
        (verify_call_clobbering): Update.
3907
        (init_tree_ssa): Update.
3908
        (delete_tree_ssa): Update.
3909
        * tree-outof-ssa.c (coalesce_ssa_name): Update.
3910
        (rewrite_out_of_ssa): Update.
3911
        * tree-flow.h (gimple_df): New structure collecting dataflow variables.
3912
        (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
3913
        private accessors.
3914
        (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
3915
        ssa_names, global_var, nonlocal_all, call_clobbered_vars,
3916
        addressable_vars, aliases_computed_p): Kill.
3917
        (default_def): Rename to...
3918
        (gimple_default_def): ... this one.
3919
        (defaule_def_fn): Kill.
3920
        (num_referenced_vars, ssa_names, num_ssa_names): Update.
3921
        * tree-ssa-structalias.c (nonlocal_all): Kill.
3922
        (get_constraint_exp_from_ssa_var): Update.
3923
        (create_nonlocal_var): Update.
3924
        (get_constraint_for): Update.
3925
        (update_alias_info): Update.
3926
        (find_global_initializers): Update.
3927
        (intra_create_variable_infos): Update.
3928
        (intra_create_variable_infos):
3929
        (find_what_p_points_to): Update.
3930
        (init_alias_heapvars): Update.
3931
        * tree-cfg.c (remove_bb): Update.
3932
        (gimplify_val): Update.
3933
        * tree-ssa-reassoc.c (get_rank): Update.
3934
        (init_reassoc): Update.
3935
        * tree-ssanames.c: Do not include gt-tree-ssanames.h
3936
        (ssa_names, free_ssanames): Kill.
3937
        (init_ssanames): Update.
3938
        (make_ssa_name): Update.
3939
        (release_ssa_name): Update.
3940
        (release_defs): Update.
3941
        (replace_ssa_name_symbol): Update.
3942
        * tree-ssa-operands.c (access_can_touch_variable): Update.
3943
        (add_virtual_operand): Update.
3944
        (add_call_clobber_ops): Update.
3945
        (add_call_read_ops): Update.
3946
        (get_call_expr_operands): Update.
3947
        (get_asm_expr_operands): Update.
3948
 
3949
2006-11-28  Jan Hubicka  
3950
 
3951
        * builtins.c: Include tree-flow.h.
3952
        (fold_builtin_memory_op): Be more aggressive on converting memcpy to
3953
        assignment; convert memmove to memcpy for sizes greater than 1 where
3954
        alignment of operands prohibit the partial overlap.
3955
 
3956
2006-11-28  Jan Hubicka  
3957
 
3958
        * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
3959
        * cgraph.c (dump_cgraph_node): Dump stack usage.
3960
        * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
3961
        (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
3962
        * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
3963
        * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
3964
        (cgraph_check_inline_limits): Limit stack growth.
3965
        * cfgexpand.c: Include tree-inline.h.
3966
        (account_stack_vars): New function.
3967
        (expand_one_var): New param to just account the stack; return estimated
3968
        size.
3969
        (expand_used_vars_for_block): Update call of expand_one_var.
3970
        (account_used_vars_for_block): New function.
3971
        (estimated_stack_frame_size): Likewise.
3972
        (init_vars_expansion, fini_vars_expansion): Break out from..
3973
        (expand_used_vars): ... here.
3974
        * tree-inline.h (estimated_stack_frame_size): Declare.
3975
        * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
3976
 
3977
2006-11-28  Richard Guenther  
3978
 
3979
        * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
3980
        unsigned long for printing OBJECT_SIZE.
3981
 
3982
2006-11-27  Steven Bosscher  
3983
 
3984
        * alias.c (init_alias_analysis): Remove simplification loop
3985
        after propagating pointers.
3986
 
3987
2006-11-27  Uros Bizjak  
3988
 
3989
        * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
3990
        and m_GENERIC64.
3991
 
3992
2006-11-27  Bob Wilson  
3993
 
3994
        * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
3995
 
3996
2006-11-27  Roger Sayle  
3997
            Manuel Lopez-Ibanez 
3998
 
3999
        * c-common.c (constant_fits_type_p): Delete.
4000
        (unsigned_conversion_warning): Delete.
4001
        (conversion_warning): Integrate Wconversion warning from
4002
        unsigned_conversion_warning.
4003
        (convert_and_check): Integrate Woverflow warning from
4004
        unsigned_conversion_warning.  Reorganize and simplify to avoid
4005
        dependence upon the middle-end setting TREE_OVERFLOW on integral
4006
        conversions, by using int_fits_type_p directly.
4007
 
4008
2006-11-27  Tobias Burnus  
4009
 
4010
        * doc/invoke.texi: Fixed typo.
4011
 
4012
2006-11-27  Michael Matz  
4013
            Andreas Krebbel  
4014
 
4015
        PR target/29319
4016
        * config/s390/predicates.md (larl_operand): Check addend of larl
4017
        operand to be in range of -/+2GB.
4018
        * config/s390/s390.c (legitimize_pic_address): Likewise.
4019
        Changed type of variable even to HOST_WIDE_INT.
4020
 
4021
2006-11-27  Jan Hubicka  
4022
 
4023
        * expr.c (emit_block_move_via_libcall): Export.
4024
        (clear_storage_via_libcall): Rename to ...
4025
        (set_storage_via_libcall): ... this one; handle arbitrary value to set.
4026
        (clear_storage): Update to set_storage_via_libcall.
4027
        * expr.h (emit_block_move_via_libcall): Declare
4028
        * config/i386/i386.h (stringop_alg): New enum.
4029
        (MAX_STRINGOP_ALGS): New constant.
4030
        (stringop_algs): New struct.
4031
        (processor_costs): Add memcpy/memset descriptors.
4032
        (TARGET_REP_MOVEL_OPTIMAL): Remove.
4033
        * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
4034
        (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
4035
        for memset.
4036
        * config/i386/i386.opt (minline-stringops-dynamically,
4037
        mstringop-strategy): New
4038
        parameters.
4039
        * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
4040
        (ix86_expand-clrmem): Rename to ...
4041
        (ix86_expand_setmem): ... this one; update prototype.
4042
        * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
4043
        (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
4044
        geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
4045
        nocona_cost, core2_cost, generic_cost, generic64_cost,
4046
        generic32_cost): Add memcpy/memset descriptors.
4047
        (x86_rep_movl_optimal): Remove.
4048
        (stringop_alg): New static variable.
4049
        (ix86_expand_aligntest): Handle predictions.
4050
        (override_options): Add strgop_alg handling.
4051
        (predict_jump): New function.
4052
        (scale_counter): New function.
4053
        (expand_set_or_movmem_via_loop): New function.
4054
        (expand_movmem_via_rep_mov): New function.
4055
        (expand_setmem_via_rep_stots): New function.
4056
        (emit_strmov): New function.
4057
        (expand_movmem_epilogue): New function.
4058
        (expand_setmem_epilogue_via_loop): New function.
4059
        (expand_setmem_epilogue): New function.
4060
        (expand_movmem_prologue): New function.
4061
        (expand_setmem_prologue): New function.
4062
        (decide_alg): New function.
4063
        (decide_alignment): New function.
4064
        (ix86_exand_movmem): Rewrite.
4065
        (promote_duplicated_reg): New function.
4066
        (ix86_expand_clrmem): Rename to ...
4067
        (ix86_expand_setmem): ... this one. Rewrite.
4068
 
4069
        * invoke.texi (minline-stringops-dynamically): New command line option.
4070
        (mstringop-strategy): Likewise.
4071
 
4072
2006-11-27  Jan Hubicka  
4073
 
4074
        * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
4075
        * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
4076
        * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
4077
        * insn-notes.def (FUNCTION_END): Remove.
4078
        * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
4079
        (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
4080
        note.
4081
        * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
4082
        * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
4083
        * cfglayout.c (duplicate_insn_chain): Don't worry about
4084
        NOTE_FUNCTION_END.
4085
 
4086
2006-11-27  Richard Guenther  
4087
            Zdenek Dvorak 
4088
 
4089
        * target.h (struct gcc_target): Add builtin_vectorized_function
4090
        target hook.
4091
        * target-def.h (TARGET_VECTORIZE): Likewise.
4092
        * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
4093
        Document new target hook.
4094
        * targhooks.h (default_builtin_vectorized_function): Declare.
4095
        * targhooks.c (default_builtin_vectorized_function): Define.
4096
        * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
4097
        (vectorizable_call): Declare.
4098
        * tree-vect-analyze.c (vect_analyze_operations): Call
4099
        vectorizable_call.
4100
        * tree-vect-transform.c (vectorizable_function): New static function.
4101
        (build_vectorized_function_call): Likewise.
4102
        (vectorizable_call): New function.
4103
        (vect_transform_stmt): Handle vectorizable calls.
4104
 
4105
2006-11-27  Richard Guenther  
4106
 
4107
        PR middle-end/25620
4108
        * builtins.c (expand_builtin_pow): Optimize non integer valued
4109
        constant exponents using sqrt or cbrt if possible.  Always fall back
4110
        to expanding via optabs.
4111
 
4112
2006-11-27  Ira Rosen  
4113
 
4114
        PR tree-optimization/22372
4115
        * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
4116
        the type of the base address.
4117
        (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
4118
        it in the data-ref pointer creation.
4119
        (vect_init_vector): Add an argument, type of the init vector. Use it in
4120
        the stmt creation.
4121
        (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
4122
        (get_initial_def_for_reduction): Likewise.
4123
        (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
4124
        void_type_node.
4125
        (vectorizable_assignment, vect_permute_store_chain): Likewise.
4126
        (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
4127
        correct type in stmt creation.
4128
        (vect_setup_realignment): Use the correct type in stmt creation.
4129
        (vect_permute_load_chain): Change type of MODIFY_EXPR to
4130
        void_type_node.
4131
        (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
4132
        of MODIFY_EXPR to void_type_node.
4133
        (vectorizable_condition): Change type of MODIFY_EXPR to
4134
        void_type_node.
4135
        (vect_update_ivs_after_vectorizer): Use the correct type in stmt
4136
        creation.
4137
 
4138
2006-11-27  Uros Bizjak  
4139
 
4140
        Revert:
4141
        2006-05-08  Uros Bizjak  
4142
        * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4143
        standard 80387 constants, raise the cost to prevent
4144
        compress_float_constant() to generate load from memory.
4145
 
4146
        * config/i386/i386.md: Add new splitter pattern to split
4147
        float_extended load of constant from constant pool into
4148
        pure constant load.
4149
 
4150
2006-11-26  Kaveh R. Ghazi  
4151
 
4152
        * doc/install.texi: Move GMP/MPFR configure options from Fortran
4153
        section to general section.  Remove documentation for
4154
        --with-mpfr-dir and --with-gmp-dir, add documentation for
4155
        --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
4156
        --with-gmp-lib.
4157
 
4158
        * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
4159
 
4160
2006-11-26  Razya Ladklesky  
4161
 
4162
        * testsuite/gcc.dg/ipa/ipa-6.c: New.
4163
 
4164
2006-11-26  Razya Ladklesky  
4165
 
4166
        PR tree-optimization/29122
4167
        * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
4168
        for the new version.  Assign NULL to DECL_RTL of the new version.
4169
 
4170
2006-11-25  Uros Bizjak  
4171
 
4172
        * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
4173
 
4174
2006-11-25  Steven Bosscher  
4175
 
4176
        * cse.c (cse_altered): Remove.
4177
        (record_jump_equiv): Make true/false argument a bool instead
4178
        of an int.
4179
        (cse_insn): Don't set cse_altered.  Use delete_insn_and_edges
4180
        where appropriate.  Emit a new jump before the existing one
4181
        instead of after so that delete_insn_and_edges removes the
4182
        dead edges properly.  Check any_condjump_p before calling
4183
        record_jump_equiv.
4184
        (cse_basic_block): Check any_condjump_p before calling
4185
        record_jump_equiv.
4186
        (cse_main): Don't set/check cse_altered.  Remove USE_C_ALLOCA.
4187
 
4188
2006-11-25  Brooks Moses  
4189
 
4190
        * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
4191
        -ffixed-line-length-* options.
4192
 
4193
2006-11-25  Uros Bizjak  
4194
 
4195
        * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
4196
        (fprem1xf4): Rename to fprem1xf4_i387.
4197
 
4198
        (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
4199
        Rename patterns to fmod3.  Use general_operand operand
4200
        constraint for operands 1 and 2.  Use SSE_FLOAT_MODE_P to disable
4201
        patterns for SSE math.
4202
        (remaindersf3, remainderdf3): Ditto.
4203
 
4204
2006-11-25  Joseph Myers  
4205
 
4206
        * function.c (instantiate_virtual_regs_in_insn): Call force_reg
4207
        inside start_sequence / end_sequence pair.
4208
 
4209
2006-11-25  Steven Bosscher  
4210
 
4211
        * jump.c (mark_all_labels): Work in cfglayout mode.
4212
        * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
4213
        when in cfglayout mode, because there are no dead jumptables
4214
        visible.
4215
        * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
4216
        in cfglayout mode.
4217
        (commit_edge_insertions): Do not allow insertion of instructions
4218
        with control flow insns when in cfglayout mode.
4219
 
4220
2006-11-25  Zdenek Dvorak 
4221
 
4222
        * tree-vrp.c (execute_vrp): Do not pass loops structure through
4223
        arguments.
4224
        * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
4225
        unswitch_loop): Ditto.
4226
        * tree-loop-linear.c (linear_transform_loops): Ditto.
4227
        * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
4228
        tree_ssa_lim): Ditto.
4229
        * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
4230
        free_numbers_of_iterations_estimates): Ditto.
4231
        * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
4232
        tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
4233
        * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
4234
        remove_path, add_loop, loopify, unloop, fix_loop_placements,
4235
        place_new_loop, duplicate_loop, duplicate_subloops,
4236
        update_single_exit_for_duplicated_loops, copy_loops_to,
4237
        duplicate_loop_to_header_edge, create_preheaders,
4238
        force_single_succ_latches, loop_version, fix_loop_structure):
4239
        Ditto.
4240
        * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
4241
        tree_unroll_loop): Ditto.
4242
        * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4243
        * tree-scalar-evolution.c (select_loops_exit_conditions,
4244
        scev_initialize, scev_analysis): Ditto.
4245
        * tree-scalar-evolution.h (scev_initialize): Ditto.
4246
        * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
4247
        * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
4248
        * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
4249
        * modulo-sched.c (sms_schedule): Ditto.
4250
        * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4251
        * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
4252
        rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
4253
        * ifcvt.c (if_convert): Ditto.
4254
        * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
4255
        canonicalize_loop_induction_variables,
4256
        canonicalize_induction_variables,
4257
        tree_unroll_loops_completely, remove_empty_loops): Ditto.
4258
        * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
4259
        tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
4260
        tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
4261
        tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
4262
        tree_ssa_loop_done): Ditto.
4263
        * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
4264
        estimate_bb_frequencies): Ditto.
4265
        * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
4266
        slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
4267
        * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
4268
        decide_unrolling_and_peeling, peel_loop_completely,
4269
        unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
4270
        peel_loop_simple, unroll_loop_stupid): Ditto.
4271
        * loop-doloop.c (doloop_optimize_loops): Ditto.
4272
        * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
4273
        * loop-invariant.c (move_loop_invariants): Ditto.
4274
        * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
4275
        * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
4276
        tree_ssa_prefetch_arrays): Ditto.
4277
        * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
4278
        Ditto.
4279
        * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
4280
        vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
4281
        * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
4282
        mark_single_exit_loops, cancel_loop, cancel_loop_tree,
4283
        verify_loop_structure): Ditto.
4284
        * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
4285
        canonicalize_induction_variables, tree_unroll_loops_completely,
4286
        tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
4287
        estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
4288
        tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
4289
        tree_unroll_loop, linear_transform_loops): Declaration changed.
4290
        * basic-block.h: Remove declaration of struct loops.
4291
        * cfghooks.h (struct cfg_hooks): Change type of
4292
        cfg_hook_duplicate_loop_to_header_edge.
4293
        (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
4294
        * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
4295
        vect_transform_loop): Declaration changed.
4296
        * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
4297
        * cfgloop.h (flow_loops_dump, fix_loop_structure,
4298
        mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
4299
        cancel_loop_tree, create_preheaders, force_single_succ_latches,
4300
        verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
4301
        loopify, loop_version, remove_path, unswitch_loops,
4302
        unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
4303
        Declaration changed.
4304
 
4305
2006-11-24  Uros Bizjak  
4306
 
4307
        * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
4308
        (X87MODEF): New mode macro.
4309
        (ssemodefsuffix): New mode attribute.
4310
        (truncxf2_i387_noop_unspec): New insn pattern.
4311
        (sqrt_extendxf2_i387): New insn pattern.
4312
        (sqrt2): For non-SSE sqrt, emit sqrt_extendxf2_i387
4313
        insn and truncate result back to original mode using
4314
        UNSPEC_TRUNC_NOOP truncation.
4315
        (*sqrt2_sse): Implement using SSEMODEF mode macro and
4316
        ssemodefsuffix mode attribute.
4317
        (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
4318
        (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
4319
        (*sqrtextenddfxf2_i387): Remove insn patterns.
4320
 
4321
        (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
4322
        truncation patterns.
4323
 
4324
        * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
4325
 
4326
2006-11-24  Jakub Jelinek  
4327
 
4328
        PR c/29955
4329
        * c-tree.h (c_maybe_initialize_eh): New prototype.
4330
        * c-decl.c (finish_decl): Move EH initialization...
4331
        (c_maybe_initialize_eh): ... here.  New function.
4332
        * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
4333
        if not #pragma omp atomic.
4334
 
4335
        PR c/29736
4336
        * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
4337
        or UNION_TYPE inner types.
4338
 
4339
2006-11-24  Andrew Pinski  
4340
 
4341
        PR tree-opt/29964
4342
        * ipa-pure-const.c (check_tree): If the original tree
4343
        is volatile return early and say the function is not pure
4344
        nor const.  Remove the volatile check for writes.
4345
        (analyze_function): Print out the result of the local
4346
        analysis pass.
4347
 
4348
2006-11-24  Joseph Myers  
4349
 
4350
        * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
4351
        MASK_STRICT_ALIGN.
4352
        * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
4353
        * config/rs6000/rs6000.c (rs6000_override_options): Use
4354
        MASK_STRICT_ALIGN for 8540 and 8548.  Add MASK_STRICT_ALIGN to
4355
        POWERPC_MASKS.
4356
 
4357
2006-11-24  Andreas Krebbel  
4358
 
4359
        * config/s390.c (s390_emit_compare_and_swap): New function.
4360
        (s390_expand_cs_hqi, s390_expand_atomic): Call
4361
        s390_emit_compare_and_swap.
4362
 
4363
2006-11-23  John David Anglin  
4364
 
4365
        * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
4366
 
4367
2006-11-24  Manuel Lopez-Ibanez 
4368
 
4369
        PR c/2707
4370
        PR c++/26167
4371
        * c-common.c (conversion_warning): New.
4372
        (convert_and_check): Call conversion_warning unless there is an
4373
        overflow warning.
4374
        * doc/invoke.texi (-Wconversion): Update description.
4375
 
4376
2006-11-23  Daniel Berlin  
4377
 
4378
        * tree-ssa-alias.c (tree_pointer_compare): New function.
4379
        (compact_name_tags): New function.
4380
        (group_aliases): Call compact_name_tags.
4381
 
4382
2006-11-23  Manuel Lopez-Ibanez  
4383
 
4384
        * real.h (real_isinteger): Declare.
4385
        * real.c (real_isinteger): Define.
4386
        * builtins.c (integer_valued_real_p): Use it.
4387
 
4388
2006-11-23  Manuel Lopez-Ibanez  
4389
 
4390
        PR c/9072
4391
        * c.opt (Wtraditional-conversion): New.
4392
        (Wconversion): Update description.
4393
        * c-typeck.c (convert_arguments): Warnings for prototypes causing
4394
        type conversions different from what would happen in the absence
4395
        of prototype are now handled by Wtraditional-conversion.
4396
        * doc/invoke.texi (Wtraditional-conversion): New.
4397
        (Wconversion): Update description.
4398
        * doc/trouble.texi (Wconversion): Replace Wconversion by
4399
        Wtraditional-conversion.
4400
 
4401
2006-11-23  Andrew Pinski  
4402
 
4403
        * predict.c (tree_estimate_probability): Check to make
4404
        sure current_loops is non null before calling flow_loops_dump.
4405
 
4406
2006-11-23  Bernd Schmidt  
4407
 
4408
        * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
4409
 
4410
2006-11-23  David Ung  
4411
 
4412
        * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
4413
        combination.
4414
        (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
4415
        (ASM_SPEC): Pass along -mfp32 and -mfp64.
4416
        * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
4417
        high part of FP register when in 64-bit FP register mode.  Similarly
4418
        use gen_mfhc1 to load high part of FP register.
4419
        (override_options): Allow -mgp32 and -mfp64 combination if
4420
        ISA_HAS_MXHC1 (currently for O32 only).
4421
        (mips_cannot_change_mode_class): If floating-point registers are
4422
        bigger than word size. disallow conversion of float register from a
4423
        large integer mode to a float mode smaller than the float register
4424
        size.
4425
        (mips_class_max_nregs): Handle float registers case seperately.
4426
        * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
4427
        UNSPEC_MTHC1.
4428
        (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
4429
        (movdf_hardfloat_32bit): Similarly.
4430
        (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
4431
        support a full 64-bit fpu.
4432
        (mthc1): New pattern to generate MTHC1 instruction.
4433
        (mfhc1): New pattern to generate MFHC1 instruction.
4434
        * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
4435
        option for the MIPS32R2 and mention its use under O32 ABI.
4436
 
4437
2006-11-23  Bernd Schmidt  
4438
 
4439
        * var-tracking.c (emit_note_insn_var_location): Take care not to
4440
        cause verify_flow_info failures.
4441
 
4442
2006-11-22  Daniel Berlin  
4443
 
4444
        * tree-ssa-structalias.c: Remove edge weights in favor of just
4445
        processing them as complex constraints.
4446
        (struct constraint_graph): Remove weighted succs and preds. Rename
4447
        nonweighted succs and preds.
4448
        (constraint_edge): Removed.
4449
        (constraint_edge_t): Ditto.
4450
        (constraint_edge_pool): Ditto.
4451
        (new_constraint_edge): Ditto.
4452
        (constraint_edge_equal): Ditto.
4453
        (constraint_edge_less): Ditto.
4454
        (constraint_edge_vec_find): Ditto.
4455
        (erase_self_graph_edge): Ditto.
4456
        (add_graph_edge): Removed.
4457
        (get_graph_weights): Ditto.
4458
        (allocate_graph_weights): Ditto.
4459
        (valid_weighted_graph_edge): Ditto
4460
        (bitmap_other_than_zero_bit_set): Ditto.
4461
        (int_add_graph_edge): Renamed to add_graph_edge.
4462
        (clear_edges_for_node): Remove support for weighted edges.
4463
        (merge_graph_nodes): Ditto.
4464
        (valid_graph_edge): Ditto.
4465
        (build_constraint_graph): Ditto.
4466
        (scc_visit): Ditto.
4467
        (collapse_nodes): Ditto.
4468
        (process_unification_queue): Ditto.
4469
        (topo_visit): Ditto.
4470
        (do_ds_constraint): Ditto.
4471
        (perform_var_subsitution): Ditto.
4472
        (solve_graph): Ditto.
4473
        (init_alias_vars): Ditto.
4474
        (delete_points_to_sets): Ditto.
4475
        (do_complex_constraint): Support offsetted copies here.
4476
 
4477
2006-11-23  Ulrich Weigand  
4478
 
4479
        * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
4480
        SPU_RdEventMask.
4481
        * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
4482
 
4483
        * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
4484
        of size bitfield.
4485
 
4486
2006-11-23  Ben Elliston  
4487
 
4488
        * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
4489
 
4490
2006-11-23  Zdenek Dvorak 
4491
 
4492
        PR tree-optimization/29921
4493
        * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
4494
        signed and unsigned zero equal.
4495
 
4496
2006-11-22  Peter Bergner  
4497
 
4498
        * config/rs6000/rs6000.c (get_store_dest): New.
4499
        (adjacent_mem_locations): Use get_store_dest() to get
4500
        the rtl of the store destination.
4501
 
4502
2006-11-22  Joseph Myers  
4503
 
4504
        * config/rs6000/spe.md (SPE64): New mode macro.
4505
        (mov_sidf_e500_subreg0): Change to mov_si_e500_subreg0.  Add
4506
        memory load.
4507
        (mov_si_e500_subreg0_2): New.
4508
        (mov_sidf_e500_subreg4): Change to mov_si_e500_subreg4.  Add
4509
        memory load.
4510
        (mov_si_e500_subreg4_2): New.
4511
        * config/rs6000/predicates.md (input_operand): Do not allow
4512
        invalid E500 subregs.
4513
        (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
4514
        if TARGET_SPE.
4515
        * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
4516
        involving DFmode if TARGET_E500_DOUBLE.  Check for subregs
4517
        involving vector modes if TARGET_SPE.
4518
 
4519
2006-11-22  Kaz Kojima  
4520
 
4521
        Revert
4522
        2006-11-12  Kaz Kojima  
4523
        * reorg.c (emit_delay_sequence): Copy the delay slot insn.
4524
 
4525
2006-11-22  Bernd Schmidt  
4526
 
4527
        * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
4528
        mem_i_address_operand): New predicates.
4529
        * config/bfin/bfin.c (bfin_issue_rate): New function.
4530
        (TARGET_SCHED_ISSUE_RATE): New macro.
4531
        * config/bfin/bfin.md (addrtype): New attribute.
4532
        (slot0, slot1, slot2, store, pregs): New cpu_units.
4533
        (core): Now a define_reservation.
4534
        (alu): Remove some insn types from this reservation.
4535
        (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
4536
        insn reservations.
4537
        (dummy reservation): Don't trigger for mcld insns.
4538
        (absence_sets): Two new absence sets to enforce slot ordering.
4539
        (popsi_insn): Set addrtype.
4540
 
4541
2006-11-22  Ira Rosen  
4542
 
4543
        * doc/c-tree.texi: Document new tree codes.
4544
        * doc/md.texi: Document new optabs.
4545
        * tree-pretty-print.c (dump_generic_node): Handle print of new tree
4546
        codes.
4547
        * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
4548
        * optabs.h (optab_index): Add new.
4549
        (vec_extract_even_optab, vec_extract_odd_optab,
4550
        vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
4551
        * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
4552
        vec_interleave_high_optab, vec_interleave_low_optab): Initialize
4553
        new optabs.
4554
        * expr.c (expand_expr_real_1): Add implementation for new tree codes.
4555
        * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
4556
        * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
4557
        along with macros for their access.
4558
        * tree-data-ref.h (first_location_in_loop, data_reference): Update
4559
        comment.
4560
        * tree-vect-analyze.c (toplev.h): Include.
4561
        (vect_determine_vectorization_factor): Fix indentation.
4562
        (vect_insert_into_interleaving_chain,
4563
        vect_update_interleaving_chain, vect_equal_offsets): New functions.
4564
        (vect_analyze_data_ref_dependence): Add argument for interleaving
4565
        check. Check for interleaving if it's true.
4566
        (vect_check_dependences): New function.
4567
        (vect_analyze_data_ref_dependences): Call vect_check_dependences for
4568
        every ddr. Call vect_analyze_data_ref_dependence with new argument.
4569
        (vect_update_misalignment_for_peel): Update for interleaving.
4570
        (vect_verify_datarefs_alignment): Check only first data-ref for
4571
        interleaving.
4572
        (vect_enhance_data_refs_alignment): Update for interleaving. Check
4573
        only first data-ref for interleaving.
4574
        (vect_analyze_data_ref_access): Check interleaving, update
4575
        interleaving data.
4576
        (vect_analyze_data_refs): Call compute_data_dependences_for_loop
4577
        with different parameters.
4578
        * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
4579
        VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
4580
        * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
4581
        * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
4582
        Update step in case of interleaving.
4583
        (vect_strided_store_supported, vect_permute_store_chain): New
4584
        functions.
4585
        (vectorizable_store): Handle strided stores.
4586
        (vect_strided_load_supported, vect_permute_load_chain,
4587
        vect_transform_strided_load): New functions.
4588
        (vectorizable_load): Handle strided loads.
4589
        (vect_transform_stmt): Add argument. Handle strided stores. Check
4590
        that vectorized stmt exists for patterns.
4591
        (vect_gen_niters_for_prolog_loop): Update calculation for
4592
        interleaving.
4593
        (vect_transform_loop): Remove stmt_vec_info for strided stores after
4594
        whole chain vectorization.
4595
        * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
4596
        UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
4597
        (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even,
4598
        vec_extract_odd, altivec_vmrghsf, altivec_vmrglsf,
4599
        vec_interleave_high, vec_interleave_low): Implement.
4600
 
4601
2006-11-22  Steven Bosscher  
4602
 
4603
        * cse.c (enum taken): Remove PATH_AROUND.
4604
        (addr_affects_sp_p, invalidate_skipped_set,
4605
        invalidate_skipped_block): Remove.
4606
        (cse_end_of_basic_block): Remove skip_blocks and related code.
4607
        (cse_main): Don't test for flag_cse_skip_blocks.
4608
        Update cse_end_of_basic_block call.
4609
        (cse_basic_block): Likewise.  Remove PATH_AROUND case.  Remove
4610
        code to lengthen the path if a jump was simplified.
4611
 
4612
2006-11-22  Zdenek Dvorak 
4613
 
4614
        PR rtl-optimization/29924
4615
        * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
4616
        (unroll_loop_runtime_iterations): Assert that the argument passed to
4617
        split_edge_and_insert is not NULL.
4618
        * loop-doloop.c (add_test): Ditto.
4619
 
4620
2006-11-22  Zdenek Dvorak 
4621
 
4622
        * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
4623
        functions.
4624
        * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
4625
        * cfgloopmanip.c (update_single_exits_after_duplication,
4626
        update_single_exit_for_duplicated_loop, loop_version): Ditto.
4627
        * tree-scalar-evolution.c (get_loop_exit_condition,
4628
        get_exit_conditions_rec, loop_closed_phi_def,
4629
        number_of_iterations_in_loop, scev_const_prop): Ditto.
4630
        * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
4631
        * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
4632
        Ditto.
4633
        * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
4634
        Ditto.
4635
        * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
4636
        slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
4637
        slpeel_make_loop_iterate_ntimes,
4638
        slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
4639
        slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
4640
        Ditto.
4641
        * tree-if-conv.c (if_convertible_loop_p): Ditto.
4642
        * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
4643
        vect_analyze_loop_form): Ditto.
4644
        * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
4645
        can_convert_to_perfect_nest, perfect_nestify): Ditto.
4646
        * tree-vect-transform.c (vect_create_epilog_for_reduction,
4647
        vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
4648
        vect_transform_loop): Ditto.
4649
        * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
4650
        (single_exit, set_single_exit): New functions.
4651
        * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
4652
        (single_exit, set_single_exit): Declare.
4653
        * doc/loop.texi: Undocument single_exit field.  Document single_exit
4654
        accessor function.
4655
 
4656
2006-11-22  Zdenek Dvorak 
4657
 
4658
        PR tree-optimization/29902
4659
        * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
4660
        any involved ssa name appears in abnormal phi node.
4661
 
4662
2006-11-21  Bob Wilson  
4663
 
4664
        * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
4665
        (xtensa_const_ok_for_letter_p): Delete.
4666
        (xtensa_extra_constraint): Delete.
4667
        (override_options): Delete xtensa_char_to_class initialization.
4668
        * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
4669
        (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4670
        (EXTRA_CONSTRAINT): Delete.
4671
        * config/xtensa/xtensa.md: Include constraints.md.
4672
        (call_internal): Combine alternatives.
4673
        (call_value_internal): Likewise, and remove invalid constraints.
4674
        * config/xtensa/constraints.md: New file.
4675
        * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
4676
        (xtensa_extra_constraint): Delete.
4677
        * doc/md.texi (Machine Constraints): Refer to constraints.md for
4678
        Xtensa constraints.
4679
 
4680
2006-11-21  Janis Johnson  
4681
 
4682
        * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
4683
        of conversion that doesn't fit.
4684
 
4685
        * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
4686
        * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
4687
        DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
4688
 
4689
        * config/dfp-bit.c (dfp_binary_func): Fix typedef.
4690
 
4691
2006-11-21  Douglas Gregor 
4692
 
4693
        * c-common.h (enum rid): Add RID_STATIC_ASSERT.
4694
 
4695
2006-11-21  Richard Guenther  
4696
 
4697
        * tree-vectorizer.h (NUM_PATTERNS): Increase.
4698
        * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
4699
        vect_recog_pow_pattern.
4700
        (vect_recog_pow_pattern): New function.
4701
 
4702
2006-11-21  Bernd Schmidt  
4703
 
4704
        * config/bfin/bfin.opt (mstack-check-l1): New.
4705
        * doc/invoke.texi (Blackfin Options): Document it.
4706
        * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
4707
        stack bounds in L1 memory if the new option is enabled.
4708
        (override_options): Don't allow combinations of -fstack-limit and
4709
        -mstack-check-l1.
4710
        (add_to_reg): Renamed from add_to_sp.  All callers changed.  Lose some
4711
        dead code.
4712
 
4713
        * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
4714
        regs for DImode.
4715
        (bfin_register_move_cost): Bump costs if trying to move plain
4716
        integer values through accumulators.
4717
 
4718
2006-11-21  Ben Elliston  
4719
 
4720
        * config/spu/spu.c (spu_expand_vector_init): Initialise x.
4721
 
4722
2006-11-20  Trevor Smigiel 
4723
            Russell Olsen 
4724
            Dmitri Makarov 
4725
            Yukishige Shibata 
4726
            Nobuhisa Fujinami 
4727
            Takeaki Fukuoka 
4728
            Andrew Pinski 
4729
 
4730
        * config.gcc: Add target for SPU.
4731
        * config/spu/constraints.md: New file.
4732
        * config/spu/crt0.c: New file.
4733
        * config/spu/crtend.c: New file.
4734
        * config/spu/crti.asm: New file.
4735
        * config/spu/crtn.asm: New file.
4736
        * config/spu/float_unsdidf.c: New file.
4737
        * config/spu/float_unssidf.c: New file.
4738
        * config/spu/predicates.md: New file.
4739
        * config/spu/spu-builtins.def: New file.
4740
        * config/spu/spu-builtins.h: New file.
4741
        * config/spu/spu-builtins.md: New file.
4742
        * config/spu/spu-c.c: New file.
4743
        * config/spu/spu-elf.h: New file.
4744
        * config/spu/spu-modes.def: New file.
4745
        * config/spu/spu-protos.h: New file.
4746
        * config/spu/spu.c: New file.
4747
        * config/spu/spu.h: New file.
4748
        * config/spu/spu.md: New file.
4749
        * config/spu/spu.opt: New file.
4750
        * config/spu/spu_internals.h: New file.
4751
        * config/spu/spu_intrinsics.h: New file.
4752
        * config/spu/spu_mfcio.h: New file.
4753
        * config/spu/t-spu-elf: New file.
4754
        * config/spu/vec_types.h: New file.
4755
        * config/spu/vmx2spu.h: New file.
4756
        * doc/contrib.texi: Document SPU contributor.
4757
        * doc/extend.texi: Document SPU extensions.
4758
        * doc/invoke.texi: Document SPU options.
4759
        * doc/md.texi: Document SPU constraints.
4760
 
4761
2006-11-21  Zdenek Dvorak 
4762
 
4763
        * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
4764
        of the loop.
4765
        * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
4766
        Removed.
4767
        (flow_loop_dump): Do not dump loop level.
4768
        (flow_loops_find): Do not call flow_loops_level_compute.
4769
        * cfgloop.h (struct loop): Remove level field.
4770
 
4771
2006-11-21  Zdenek Dvorak 
4772
 
4773
        * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
4774
        hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
4775
        Use vector of edges instead of array.
4776
        * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
4777
        estimate_numbers_of_iterations_loop): Ditto.
4778
        * predict.c (predict_loops): Ditto.
4779
        * loop-unroll.c (analyze_insns_in_loop): Ditto.
4780
        * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
4781
        edge vectors.
4782
        * basic-block.h: Declare heap allocation for edge vectors.
4783
        * tree-outof-ssa.c: Ditto.
4784
        * cfgloop.c (get_loop_exit_edges): Return vector of edges.
4785
        * cfgloop.h (get_loop_exit_edges): Declaration changed.
4786
 
4787
2006-11-20  Zack Weinberg  
4788
 
4789
        * gengtype.c (process_gc_options): Remove unnecessary forward decl.
4790
        Add another out parameter, "skip".
4791
        (set_gc_used_type): Adjust calls to process_gc_options.  If a field
4792
        is tagged "skip", do not mark its type used.
4793
 
4794
2006-11-20  Andrew Pinski  
4795
 
4796
        PR tree-opt/25500
4797
        * tree-sra.c (single_scalar_field_in_record_p): New function.
4798
        (decide_block_copy): Use it.
4799
 
4800
2006-11-20  David Daney  
4801
 
4802
        * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
4803
        PC to point to following instruction.
4804
 
4805
2006-11-20  Anatoly Sokolov 
4806
 
4807
        PR target/18553
4808
        PR target/29449
4809
        * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
4810
 
4811
        * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
4812
 
4813
2006-11-20  J"orn Rennecke  
4814
 
4815
        * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4816
        Add sh/superh.h to tm_file.
4817
 
4818
2006-11-20  Carlos O'Donell  
4819
            Mark Mitchell  
4820
 
4821
        * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
4822
        gcc_exec_prefix.
4823
        (cpp_relocated): New function.
4824
        * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
4825
        and cpp_relocated.
4826
        * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
4827
        * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
4828
        replace configured prefix with gcc_exec_prefix.
4829
 
4830
2006-11-20  Bernd Schmidt  
4831
 
4832
        * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
4833
        bfin_legitimate_constant_p.
4834
        * config/bfin/bfin.md (movsi expander): Check return value of
4835
        expand_mvoe.
4836
        * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
4837
        (expand_move): Adjust prototype.
4838
        * config/bfin/bfin.c (expand_move): Now returns bool.  Handle
4839
        invalid constants specially.
4840
        (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
4841
        functions.
4842
        (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
4843
 
4844
        * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
4845
        sibcall_value_symbol): Allow these patterns if
4846
        TARGET_LEAF_ID_SHARED_LIBRARY.
4847
        * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
4848
        (override_options): Turn on id shared library flags if -msep-data,
4849
        but disallow the combination of these options on the command line.
4850
        * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
4851
        MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
4852
        (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
4853
        -mid-shared-library.
4854
        (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
4855
        * doc/invoke.texi (Blackfin Options): Document new switches.
4856
 
4857
        * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
4858
        edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
4859
 
4860
        * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
4861
        inflate costs for addresses with an out-of-bounds address.
4862
 
4863
2006-11-19  Andrew Pinski  
4864
 
4865
        PR rtl-opt/29879
4866
        * fwprop.c (loops): Remove.
4867
        (forward_propagate_into): Use current_loops instead of
4868
        loops.
4869
        (fwprop_init): Call loop_optimizer_init instead of
4870
        flow_loops_find.
4871
        (fwprop_done): Call loop_optimizer_finalize instead of
4872
        flow_loops_free.
4873
        (fwprop): Use current_loops instead of loops.
4874
 
4875
2006-11-19  Gabriel Dos Reis  
4876
 
4877
        PR c++/8586
4878
        * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
4879
 
4880
2006-11-19  John David Anglin  
4881
 
4882
        PR target/29114
4883
        * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
4884
        larger than BITS_PER_WORD.
4885
 
4886
2006-11-18  John David Anglin  
4887
 
4888
        PR fortran/27885
4889
        PR middle-end/28176
4890
        * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
4891
        to MAX_FIXED_MODE_SIZE.
4892
 
4893
2006-11-18  Kaveh R. Ghazi  
4894
 
4895
        * builtins.c (integer_valued_real_p): Handle fmin/fmax.
4896
        (fold_builtin_fmin_fmax): New.
4897
        (fold_builtin_1): Use it.
4898
 
4899
        * fold-const.c (fold_strip_sign_ops): Handle copysign.
4900
 
4901
2006-11-18  Richard Guenther  
4902
 
4903
        * config/i386/i386.c (ix86_builtins): New array for ix86
4904
        builtin function decls.
4905
        (def_builtin): New function.
4906
        (def_builtin_const): Likewise.
4907
        (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
4908
 
4909
2006-11-18  Vladimir Makarov  
4910
 
4911
        * doc/invoke.texi (core2): Add item.
4912
 
4913
        * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
4914
        macros.
4915
        (TARGET_CPU_CPP_BUILTINS): Add code for core2.
4916
        (TARGET_CPU_DEFAULT_generic): Change value.
4917
        (TARGET_CPU_DEFAULT_NAMES): Add core2.
4918
        (processor_type): Add new constant PROCESSOR_CORE2.
4919
 
4920
        * config/i386/i386.md (cpu): Add core2.
4921
 
4922
        * config/i386/i386.c (core2_cost): New initialized variable.
4923
        (m_CORE2): New macro.
4924
        (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
4925
        x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
4926
        x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4927
        x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4928
        x86_partial_reg_dependency, x86_memory_mismatch_stall,
4929
        x86_accumulate_outgoing_args, x86_prologue_using_move,
4930
        x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4931
        x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
4932
        x86_use_incdec, x86_four_jump_limit, x86_schedule,
4933
        x86_pad_returns): Add m_CORE2.
4934
        (override_options): Add entries for Core2.
4935
        (ix86_issue_rate): Add case for Core2.
4936
 
4937
2006-11-18  Aldy Hernandez  
4938
 
4939
        * doc/invoke.texi: Fix mno-isel typo.
4940
 
4941
2006-11-18  Joseph Myers  
4942
 
4943
        * config/rs6000/spe.md (movv4hi_internal): Add alternative for
4944
        easy vector constant loads.
4945
 
4946
2006-11-18  Joseph Myers  
4947
 
4948
        * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
4949
        * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4950
        __NO_LWSYNC__ if TARGET_NO_LWSYNC.
4951
        * config/rs6000/sync.md (lwsync): Emit plain sync if
4952
        TARGET_NO_LWSYNC.
4953
 
4954
2006-11-17  DJ Delorie  
4955
 
4956
        * reload1.c (reloads_unique_chain): New.
4957
        (reloads_conflict): Call it.
4958
 
4959
2006-11-17  Bob Wilson  
4960
 
4961
        * config/xtensa/predicates.md (addsubx_operand): New.
4962
        * config/xtensa/xtensa.c (xtensa_emit_branch): New.
4963
        (xtensa_emit_bit_branch): New.
4964
        (xtensa_emit_movcc): New.
4965
        * config/xtensa/xtensa.md (any_minmax): New code macro.
4966
        (minmax): New code attribute.
4967
        (any_cond, any_scc, any_scc_sf): New code macros.
4968
        (*addx2, *addx4, *addx8): Delete.
4969
        (*addx): New.
4970
        (*subx2, *subx4, *subx8): Delete.
4971
        (*subx): New.
4972
        (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
4973
        (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
4974
        (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
4975
        (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
4976
        (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
4977
        (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
4978
        (movsfcc_internal0, movsfcc_internal1): Likewise.
4979
        (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
4980
        * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
4981
        (xtensa_emit_bit_branch): New.
4982
        (xtensa_emit_movcc): New.
4983
        (function_arg_boundary): Add missing prototype.
4984
 
4985
2006-11-17  Bob Wilson  
4986
 
4987
        * config/xtensa/xtensa.md (tstsi): Delete
4988
 
4989
2006-11-17  Bob Wilson  
4990
 
4991
        * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
4992
 
4993
2006-11-17  Bob Wilson  
4994
 
4995
        * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4996
 
4997
2006-11-17  Bob Wilson  
4998
 
4999
        * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
5000
 
5001
2006-11-17  Zdenek Dvorak 
5002
 
5003
        * tree-vrp.c (execute_vrp): Do not update current_loops.
5004
        * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
5005
        * doc/loop.texi: Remove documentation for cancelled functions.
5006
        * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
5007
        (move_computations, determine_lsm): Use bsi_commit_edge_inserts
5008
        instead.
5009
        * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
5010
        (remove_path): Ensure that in delete_basic_blocks, the loops
5011
        are still allocated.
5012
        (add_loop): Work on valid loop structures.
5013
        (loopify): Modify call of add_loop.
5014
        (mfb_update_loops): Removed.
5015
        (create_preheader): Do not update loops explicitly.
5016
        (force_single_succ_latches, loop_version): Do not use
5017
        loop_split_edge_with.
5018
        (loop_split_edge_with): Removed.
5019
        * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
5020
        Do not use bsi_insert_on_edge_immediate_loop.
5021
        (split_loop_exit_edge, tree_unroll_loop): Do not use
5022
        loop_split_edge_with.
5023
        (bsi_insert_on_edge_immediate_loop): Removed.
5024
        * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops.  Do not
5025
        use loop_split_edge_with.
5026
        * cfghooks.c: Include cfgloop.h.
5027
        (verify_flow_info): Verify that loop_father is filled iff current_loops
5028
        are available.
5029
        (redirect_edge_and_branch_force, split_block, delete_basic_block,
5030
        split_edge, merge_blocks, make_forwarder_block, duplicate_block):
5031
        Update cfg.
5032
        * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
5033
        no loops.
5034
        * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
5035
        loop_split_edge_with.
5036
        (sms_schedule): Use current_loops.
5037
        * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
5038
        * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
5039
        current_loops.
5040
        (rtl_loop_init, rtl_loop_done): Do not set current_loops.
5041
        * tree-ssa-sink.c (execute_sink_code): Use current_loops.
5042
        * ifcvt.c (if_convert): Ditto.
5043
        * predict.c (predict_loops): Do not clear current_loops.
5044
        (tree_estimate_probability): Use current_loops.
5045
        (propagate_freq): Receive head of the region to propagate instead of
5046
        loop.
5047
        (estimate_loops_at_level): Do not use shared to_visit bitmap.
5048
        (estimate_loops): New function.  Handle case current_loops == NULL.
5049
        (estimate_bb_frequencies): Do not allocate tovisit.  Use
5050
        estimate_loops.
5051
        * tree-ssa-loop.c (current_loops): Removed.
5052
        (tree_loop_optimizer_init): Do not return loops.
5053
        (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
5054
        * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
5055
        slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
5056
        Do not update loops explicitly.
5057
        * function.h (struct function): Add x_current_loops field.
5058
        (current_loops): New macro.
5059
        * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
5060
        * loop-unroll.c (split_edge_and_insert): New function.
5061
        (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
5062
        use loop_split_edge_with.
5063
        * loop-doloop.c (add_test, doloop_modify): Ditto.
5064
        * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
5065
        * cfglayout.c (copy_bbs): Do not update loops explicitly.
5066
        * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
5067
        * tree-vect-transform.c (vect_transform_loop): Do not update loops
5068
        explicitly.
5069
        * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
5070
        (flow_loops_free): Do not free dfs_order and rc_order.
5071
        (flow_loops_find): Do not set dfs_order and rc_order in loops
5072
        structure.  Do not call loops and flow info verification.
5073
        (add_bb_to_loop, remove_bb_from_loops): Check whether the block
5074
        already belongs to some loop.
5075
        * cfgloop.h (struct loops): Remove struct cfg.
5076
        (current_loops, loop_split_edge_with): Declaration removed.
5077
        (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
5078
        * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
5079
        Declaration removed.
5080
        * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
5081
        * basic-block.h (split_edge_and_insert): Declare.
5082
        * tree-cfg.c (remove_bb): Do not update loops explicitly.
5083
 
5084
2006-11-17  Zdenek Dvorak 
5085
 
5086
        PR tree-optimization/29801
5087
        * tree-ssa-ccp.c (get_symbol_constant_value): New function.
5088
        (get_default_value): Use get_symbol_constant_value.
5089
        (set_lattice_value): ICE when the value of the constant is
5090
        changed.
5091
        (visit_assignment): Ignore VDEFs of read-only variables.
5092
 
5093
2006-11-17  Zdenek Dvorak 
5094
 
5095
        * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
5096
        formating.
5097
        (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5098
        vect_gen_niters_for_prolog_loop): Fold the emited expressions.
5099
 
5100
2006-11-17  Zdenek Dvorak 
5101
 
5102
        * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
5103
        select subvars of var.
5104
 
5105
2006-11-17  Jakub Jelinek  
5106
 
5107
        PR middle-end/29584
5108
        * tree-ssa-forwprop.c (simplify_switch_expr): Don't
5109
        optimize if DEF doesn't have integral type.
5110
 
5111
2006-11-16  Mike Stump  
5112
 
5113
        * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
5114
        pre-darwin9 system, unless the user asks for it directly.
5115
        (PREFERRED_DEBUGGING_TYPE): Likewise.
5116
        * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
5117
        * config.gcc: Add suppport for darwin9.h.
5118
        * config/darwin9.h: Add.
5119
        * doc/install.texi (Specific): Clarify darwin documentation.
5120
 
5121
2006-11-16  Richard Earnshaw  
5122
 
5123
        * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
5124
        optimizing for size.
5125
 
5126
2006-11-16  Mike Stump  
5127
 
5128
        * Makefile.in (targhooks.o): Add $(OPTABS_H).
5129
 
5130
2006-11-16  Dirk Mueller  
5131
 
5132
        * tree-vrp.c (get_value_range): Use XCNEW instead
5133
        of XNEW and memset.
5134
        (insert_range_assertions): Use XCNEWVEC instead
5135
        of XNEWVEC and memset.
5136
        (vrp_initialize): Same.
5137
        (vrp_finalize): Same.
5138
        * tree-ssa-ccp.c (ccp_initialize): Same.
5139
        * predict.c (tree_bb_level_predictions): Same.
5140
        * calls.c (expand_call): Same.
5141
        * tree-ssa-copy.c (init_copy_prop): Same.
5142
        (fini_copy_prop): Same.
5143
        * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
5144
        of GGC_NEW and memset.
5145
 
5146
2006-11-16  Eric Botcazou  
5147
 
5148
        PR middle-end/26306
5149
        * gimplify.c (gimplify_expr): Only force a load for references to
5150
        non-BLKmode volatile values.
5151
        * doc/implement-c.texi (Qualifiers implementation): Document the
5152
        interpretation of what a volatile access is.
5153
        * doc/extend.texi (C++ Extensions): Rework same documentation.
5154
 
5155
2006-11-16  Joseph Myers  
5156
 
5157
        * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
5158
        memory operand.
5159
 
5160
2006-11-16  Richard Earnshaw  
5161
 
5162
        * arm.md (abssi2): Allow Thumb as well.  Use an SImode scratch for
5163
        Thumb.
5164
        (arm_neg_abssi2): Renamed from neg_abssi2.
5165
        (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
5166
 
5167
2006-11-16  Uros Bizjak  
5168
 
5169
        * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
5170
        number of arguments passed to local functions in SSE registers is 3.
5171
 
5172
        * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
5173
        number of arguments passed in SSE registers to 3.
5174
 
5175
2006-11-16  Maxim Kuvyrkov  
5176
 
5177
        PR target/29201
5178
        * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
5179
        bb to ...
5180
        (get_last_bb_insn): ... new global function.
5181
        (basic_block.h): Declare it.
5182
        * haifa-sched.c (create_recovery_block): Use it.
5183
 
5184
2006-11-15  H.J. Lu  
5185
 
5186
        PR middle-end/29862
5187
        * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
5188
 
5189
2006-11-15  Paul Brook  
5190
 
5191
        * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
5192
        _Unwind_GetTextRelBase): Move from here ...
5193
        * config/arm/pr-support.c (_Unwind_GetDataRelBase,
5194
        _Unwind_GetTextRelBase): ... To here.
5195
 
5196
2006-11-15  Bernd Schmidt  
5197
 
5198
        * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
5199
        addresses we generate for testing are aligned.
5200
 
5201
2006-11-15  Andrew Pinski  
5202
 
5203
        PR tree-opt/29788
5204
        * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
5205
        to what is the const decl is a place holder for.
5206
 
5207
2006-11-15  Uros Bizjak  
5208
 
5209
        * config/i386/i386.opt: New target option -mx87regparm.
5210
 
5211
        * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
5212
        and float_in_x87 variables. mmx_words, sse_words: Remove.
5213
        (X87_REGPARM_MAX): Define.
5214
 
5215
        * config/i386/i386.c (override_options): Error out for
5216
        -mx87regparm but no 80387 support.
5217
        (ix86_attribute_table): Add x87regparm.
5218
        (ix86_handle_cconv_attribute): Update comments for x87regparm.
5219
        (ix86_comp_type_attributes): Check for mismatched x87regparm types.
5220
        (ix86_function_x87regparm): New function.
5221
        (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
5222
        point registers.
5223
        (init_cumulative_args): Initialize x87_nregs and float_in_x87
5224
        variables.
5225
        (function_arg_advance): Process x87_nregs and x87_regno when
5226
        floating point argument is to be passed in 80387 register.
5227
        (function_arg): Pass XFmode arguments in 80387 registers for local
5228
        functions.  Pass SFmode and DFmode arguments to local functions
5229
        in 80387 registers when flag_unsafe_math_optimizations is set.
5230
 
5231
        * reg-stack.c (convert_regs_entry): Disable NaN load for
5232
        stack registers that are used for argument passing.
5233
 
5234
        * doc/extend.texi: Document x87regparm function attribute.
5235
        * doc/invoke.texi: Document -mx87regparm.
5236
 
5237
2006-11-15  Bernd Schmidt  
5238
 
5239
        * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
5240
        * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
5241
        arg MODE; all callers changed.  Use it to determine validity per
5242
        machine mode instead of using Pmode for all memory references.
5243
        (get_address_cost): Likewise add and use new arg MEM_MODE.
5244
 
5245
2006-11-15  Rask Ingemann Lambertsen 
5246
            J"orn Rennecke 
5247
 
5248
        * combine.c (likely_spilled_retval_1): Fix masking operation.
5249
        (likely_spilled_retval_p): Use proper pattern for call to
5250
        likely_spilled_retval_1.
5251
 
5252
2006-11-15  Bernd Schmidt  
5253
 
5254
        * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
5255
 
5256
        * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
5257
        that tests for CONSTANT_POOL_ADDRESS_P.
5258
 
5259
2006-11-15  Jakub Jelinek  
5260
 
5261
        PR tree-optimization/29581
5262
        * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
5263
        REPLACEMENTS, FIRSTBSI arguments.  If initial condition or
5264
        type is different between Y and USE, create a temporary
5265
        variable, initialize it at the beginning of the body bb
5266
        and use it as replacement instead of Y.
5267
 
5268
2006-11-15  Paolo Bonzini  
5269
 
5270
        PR middle-end/29753
5271
        * gimplify.c (fold_indirect_ref_rhs): Use
5272
        STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
5273
 
5274
2006-11-14  Richard Earnshaw  
5275
 
5276
        * expmed.c (emit_store_flag_1): New function.
5277
        (emit_store_flag): Call it.  If we can't find a suitable scc insn,
5278
        try a cstore insn.
5279
        * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
5280
        Use do_compare_rtx_and_jump.
5281
        * arm.h (BRANCH_COST): Increase to 2 on Thumb.
5282
        * arm.md (cstoresi4): New define_expand.
5283
        (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
5284
        (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
5285
        (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
5286
 
5287
2006-11-14  Caroline Tice  
5288
 
5289
        * dwarf2out.c (debug_pubtypes_section): New static global variable.
5290
        (pubname_entry):  Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
5291
        this type.
5292
        (pubname_table):  Redefine as a vector.
5293
        (pubtype_table):  New static global variable, defined as a vector.
5294
        (pubname_table_allocated): Remove static global variable.
5295
        (pubname_table_in_use): Remove static global variable.
5296
        (PUBNAME_TABLE_INCREMENT): Remove constant.
5297
        (size_of_pubnames): Add parameter to deal with either pubnames or
5298
        pubtypes, and change code to deal with table being a vector.
5299
        (add_pubname):  Change to deal with table being a vector.
5300
        (add_pubtype):  New function.
5301
        (output_pubnames): Add parameter to deal with either pubnames or
5302
        pubtypes, and change code to deal with table being a vector.
5303
        (gen_array_type_die):  Add call to add_pubtype.
5304
        (gen_enumeration_type_die): Add call to add_pubtype.
5305
        (gen_struct_or_union_type_die): Add call to add_pubtype.
5306
        (gen_subroutine_type_die): Add call to add_pubtype.
5307
        (gen_typedef_die):  Add call to add_pubtype.
5308
        (dwarf2out_init): Add code to initialize pubname_table and
5309
        pubtype_table vectors; also initialize debug_pubtypes_section.
5310
        (prune_unused_types):  Change to deal with pubnames being a vector.
5311
        (dwarf2out_finish): Change to deal with pubnames being a vector; add
5312
        pubnames table to call to output_pubnames;  Add code to output pubtypes
5313
        table if DEBUG_PUBTYPES_SECTION is defined.
5314
        * config/darwin.c (darwin_file_start):  Add DEBUG_PUBTYPES_SECTION to
5315
        debugnames.
5316
        * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
5317
 
5318
2006-11-14  Joseph Myers  
5319
 
5320
        * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
5321
        iwmmxt_nregs if TARGET_IWMMXT_ABI.
5322
        * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
5323
        movv2si_internal): Support moves between core registers.
5324
 
5325
2006-11-14  Eric Christopher  
5326
 
5327
        * configure: Regenerate with autoconf 2.59.
5328
 
5329
2006-11-14  Daniel Berlin  
5330
 
5331
        Fix PR tree-optimization/27755
5332
 
5333
        * tree-ssa-pre.c: Update comments.
5334
        (bb_bitmap_sets): Add pa_in and  deferred member.
5335
        (BB_DEFERRED): New macro.
5336
        (maximal_set): New variable.
5337
        (pre_stats): Add pa_insert member.
5338
        (bitmap_set_and): Short circuit orig == dest.
5339
        (bitmap_set_subtract_values): New function.
5340
        (bitmap_set_contains_expr): Ditto.
5341
        (translate_vuses_through_block): Add phiblock argument.
5342
        (dependent_clean): New function.
5343
        (compute_antic_aux): Update for maximal_set changes.
5344
        (compute_partial_antic_aux): New function.
5345
        (compute_antic): Handle partial anticipation.
5346
        (do_partial_partial_insertion): New function.
5347
        (insert_aux): Handle partial anticipation.
5348
        (add_to_sets): Add to maximal set.
5349
        (compute_avail): Ditto.
5350
        (init_pre): Initialize maximal_set.
5351
        (execute_pre): Do partial anticipation if -O3+.
5352
 
5353
2006-11-14  Paolo Bonzini  
5354
 
5355
        PR rtl-optimization/29798
5356
 
5357
        * fwprop.c (use_killed_between): Check that DEF_INSN dominates
5358
        TARGET_INSN before any other check.
5359
        (fwprop_init): Always calculate dominators.
5360
        (fwprop_done): Always free them.
5361
 
5362
2006-11-14  Kaveh R. Ghazi  
5363
 
5364
        * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
5365
        COND_EXPR.
5366
 
5367
2006-11-13  DJ Delorie  
5368
 
5369
        * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
5370
        temporary for intermediates.
5371
 
5372
2006-11-13  Kaz Kojima  
5373
 
5374
        * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
5375
        (sh_optimize_target_register_callee_saved): #if 0 the code
5376
        using NOTE_INSN_LOOP_{BEG,END}.
5377
 
5378
2006-11-13  Roger Sayle  
5379
 
5380
        * fold-const.c (optimize_bit_field_compare): Recursively call
5381
        fold when simplifying non-constant comparisons between bit-fields.
5382
 
5383
2006-11-13  Jakub Jelinek  
5384
 
5385
        * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
5386
        test.
5387
        * configure: Rebuilt.
5388
 
5389
2006-11-13  Andrew Pinski  
5390
 
5391
        * config/rs6000/cell.md: New file.
5392
        * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
5393
        variable.
5394
        (ppccell_cost): New cost matrix.
5395
        (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
5396
        (rs6000_override_options): Set rs6000_always_hint to false
5397
        for cell. Also align functions/lables/loops to 8byte
5398
        for the Cell. Use PROCESSOR_CELL.
5399
        (rs6000_emit_epilogue): Rename using_mfcr_multiple to
5400
        using_mtcr_multiple.
5401
        (rs6000_variable_issue): If the insn is a nonpipelined instruction
5402
        on the Cell, return 0.
5403
        (rs6000_adjust_cost): Add Cell cost adjustments.
5404
        (is_microcoded_insn): Return true for Cell microcoded
5405
        instructions.
5406
        (is_nonpipeline_insn): New function.
5407
        (rs6000_issue_rate): Add PROCESSOR_CELL.
5408
        (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
5409
        instructions.
5410
        (rs6000_use_sched_lookahead_guard): New function.
5411
        (rs6000_sched_reorder):  Reorder the ready list, if the second
5412
        to last ready insn is a nonepipeline insn on the Cell.
5413
        * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
5414
        (ASM_CPU_SPEC): Add Cell.
5415
        * config/rs6000/rs6000.md (cpu): Add Cell.
5416
        (cell_micro): New Attr.
5417
        Include cell.md
5418
 
5419
2006-11-13  Jakub Jelinek  
5420
 
5421
        * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
5422
        style versions.
5423
        * configure: Rebuilt.
5424
 
5425
2006-11-13  Richard Guenther  
5426
 
5427
        * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
5428
        return value.
5429
        (ix86_expand_lfloorceil): Likewise.
5430
        (ix86_expand_rint): Likewise.
5431
        (ix86_expand_floorceildf_32): Likewise.
5432
        (ix86_expand_floorceil): Likewise.
5433
        (ix86_expand_rounddf_32): Likewise.
5434
        (ix86_expand_truncdf_32): Likewise.
5435
        (ix86_expand_round): Likewise.
5436
 
5437
2006-11-13  Carlos O'Donell  
5438
            Mark Mitchell  
5439
 
5440
        * gcc.c: Organize search path variables into $prefix relative,
5441
        and well-known native. Add comments.
5442
        (add_sysrooted_prefix): Add comment.
5443
        (process_command): If !gcc_exec_prefix add $prefix based paths.
5444
        If *cross_compile == '0', add native well-known paths.
5445
        Assert tooldir_base_prefix is always relative.
5446
        (main): If print_search_dirs, and if gcc_exec_prefix is set,
5447
        use this value for 'install:' path.
5448
        * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
5449
 
5450
2006-11-13  H.J. Lu  
5451
 
5452
        * config/i386/i386.c: Fix a typo in comment.
5453
 
5454
2006-11-13  Michael Matz  
5455
 
5456
        * genemit.c (gen_expand): Allocate enough memory.
5457
 
5458
2006-11-13  Joseph Myers  
5459
 
5460
        * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
5461
        __GXX_TYPEINFO_EQUALITY_INLINE but not
5462
        __GXX_MERGED_TYPEINFO_NAMES.
5463
        * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
5464
        __GXX_MERGED_TYPEINFO_NAMES.
5465
        * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
5466
        __GXX_TYPEINFO_EQUALITY_INLINE.
5467
 
5468
2006-11-13  H.J. Lu  
5469
            Zdenek Dvorak 
5470
 
5471
        PR tree-optimization/29680
5472
        * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
5473
        PR 14784.
5474
 
5475
2006-11-12  Jason Merrill  
5476
            Andrew Pinski 
5477
 
5478
        PR middle-end/28915
5479
        * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
5480
        vector ctors.
5481
        * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
5482
        vector ctors.
5483
        * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
5484
        * tree.c (build_vector): Handle non-_CST elements.
5485
 
5486
2006-11-12  Kaz Kojima  
5487
 
5488
        * genemit.c (gen_insn): Call gen_exp with a non-null used
5489
        when handling multiple insns.
5490
        (gen_expand): Likewise.
5491
        * reorg.c (emit_delay_sequence): Copy the delay slot insn.
5492
        * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
5493
        (movsi_const_16bit+1): Copy operands[1].
5494
        (call_pcrel): Copy the call_site pattern.
5495
        (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
5496
 
5497
2006-11-12  Roger Sayle  
5498
 
5499
        * fold-const.c (negate_expr_p) : Correct/refine
5500
        condition for transformations.  Use !HONOR_SIGN_DEPENDENT_ROUNDING
5501
        && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
5502
        (fold_negate_expr) : Likewise.
5503
 
5504
2006-11-12  Daniel Berlin  
5505
 
5506
        Fix PR tree-optimization/29587
5507
        * tree-ssa-structalias.c (process_constraint): Don't
5508
        mark address taken due only to escaped vars constraint.
5509
 
5510
2006-11-12  Michael Matz  
5511
            Roger Sayle  
5512
 
5513
        PR rtl-optimization/29797
5514
        * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
5515
        BITS_BIG_ENDIAN targets.
5516
 
5517
2006-11-12  Kaveh R. Ghazi  
5518
 
5519
        * builtins.c (fold_builtin_cosh): New.
5520
        (fold_builtin_1): Use it.
5521
        * fold-const.c (negate_mathfn_p): Add llround, lround, round,
5522
        trunc to the list of "odd" functions.  Also add llrint, lrint,
5523
        rint and nearbyint when flag_rounding_math is false.
5524
 
5525
2006-11-12  Zdenek Dvorak 
5526
 
5527
        * tree-flow.h (name_mappings_registered_p): Declare.
5528
        * tree-into-ssa.c (name_mappings_registered_p): New function.
5529
        * tree-cfg.c (tree_can_merge_blocks_p): Check
5530
        name_mappings_registered_p instead of need_ssa_update_p.
5531
 
5532
2006-11-12  Zdenek Dvorak 
5533
 
5534
        * tree-ssa-loop.c (tree_vectorize): Return the result of
5535
        vectorize_loops.
5536
        * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
5537
        if anything changed.
5538
        * tree-vectorizer.h (vectorize_loops): Declaration removed.
5539
        * tree-flow.h (vectorize_loops): Declaration changed.
5540
 
5541
2006-11-12  Zdenek Dvorak 
5542
 
5543
        * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
5544
        comments.
5545
        (issue_prefetch_ref): Move assignment to write_p out of loop.
5546
        (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
5547
        SIMULTANEOUS_PREFETCHES into account.
5548
        (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
5549
        * lambda-code.c (lcm): Renamed to ...
5550
        (least_common_multiple): ... and exported.
5551
        * tree-flow.h (least_common_multiple): Declare.
5552
 
5553
2006-11-12  Zdenek Dvorak 
5554
 
5555
        * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
5556
        * tree-ssa-loop-niter.c (derive_constant_upper_bound):  Follow
5557
        ud-chains.  Handle AND_EXPR.
5558
        (record_estimate): Record whether the estimate is realistic
5559
        and whether it is derived from a loop exit.
5560
        (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
5561
        infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
5562
        functions.
5563
        (compute_estimated_nb_iterations): Take only realistic bounds into
5564
        account.  Set estimate_state.  Use double_ints.
5565
        (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
5566
        and infer_loop_bounds_from_signedness.  Do not consider basic blocks
5567
        that do not have to be always executed.
5568
        (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
5569
        to determine whether to call infer_loop_bounds_from_undefined
5570
        and compute_estimated_nb_iterations.
5571
        (n_of_executions_at_most): Use double_ints.
5572
        (free_numbers_of_iterations_estimates_loop): Set estimate_state.
5573
        (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
5574
        * double-int.c (double_int_to_tree): Improve comment.
5575
        (double_int_fits_to_tree_p): New function.
5576
        * double-int.h (double_int_fits_to_tree_p): Declare.
5577
        * tree-data-ref.c: Include langhooks.h.
5578
        (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
5579
        (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
5580
        (analyze_array): Do not pass estimate_only argument to
5581
        analyze_array_indexes.
5582
        (get_number_of_iters_for_loop): Build tree from the stored double_int
5583
        value.
5584
        (get_references_in_stmt, find_data_references_in_stmt): New functions.
5585
        (find_data_references_in_loop): Use find_data_references_in_stmt.
5586
        * tree-data-ref.h (struct data_ref_loc_d): New.
5587
        (get_references_in_stmt): Declare.
5588
        (estimate_iters_using_array): Declaration removed.
5589
        * cfgloop.h (struct nb_iter_bound): Change type of bound to
5590
        double_int.  Improve comments.  Add is_exit and realistic
5591
        fields.
5592
        (struct loop): Changed type of estimated_nb_iterations to double_int.
5593
        Added estimate_state field.
5594
        (record_estimate): Declaration removed.
5595
 
5596
2006-11-12  Zdenek Dvorak 
5597
 
5598
        * params.c (set_param_value): Initialize the "set" field.
5599
        * params.h (struct param_info): Add "set" field.
5600
        (PARAM_SET_P): New macro.
5601
        (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
5602
        L1_CACHE_LINE_SIZE): New macros.
5603
        * toplev.c (DEFPARAM): Initialize the "set" field.
5604
        * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
5605
        SIMULTANEOUS_PREFETCHES): Removed.
5606
        (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
5607
        (tree_ssa_prefetch_arrays): Dump the values of the parameters.
5608
        * config/sparc/sparc.c: Include params.h.
5609
        (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
5610
        L1_CACHE_LINE_SIZE parameters.
5611
        * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
5612
        Removed.
5613
        * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
5614
        Removed.
5615
        * config/i386/i386.c: Include params.h.
5616
        (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
5617
        (override_options): Set SIMULTANEOUS_PREFETCHES and
5618
        L1_CACHE_LINE_SIZE parameters.
5619
        * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
5620
        (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
5621
        L1_CACHE_LINE_SIZE parameters.
5622
        * config/ia64/ia64.c (ia64_optimization_options): Set
5623
        SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
5624
        * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
5625
        Removed.
5626
        * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
5627
        PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
5628
        * doc/invoke.texi: Document new params.
5629
 
5630
2006-11-12  Roger Sayle  
5631
 
5632
        PR tree-optimization/13827
5633
        * fold-const.c (fold_binary) : Fold (X&C) op (Y&C)
5634
        as ((X^Y)&C) op 0.
5635
 
5636
2006-11-12  Zdenek Dvorak 
5637
 
5638
        * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
5639
        update_single_exit_for_duplicated_loops): New functions.
5640
        (duplicate_loop_to_header_edge): Use
5641
        update_single_exit_for_duplicated_loops.
5642
        * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
5643
        functions only with ENABLE_CHECKING.
5644
 
5645
2006-11-12  Andreas Schwab  
5646
 
5647
        * except.c (sjlj_emit_function_enter): Remove unused variable.
5648
 
5649
2006-11-11  Roger Sayle  
5650
 
5651
        * fold-const.c (int_binop_types_match_p): New function.
5652
        (size_binop): Relax constraint that both arguments must both have
5653
        exactly the same sizetype type.  Instead use int_binop_types_match_p.
5654
        (size_diffop): Likewise.
5655
 
5656
        (make_range): Use build_int_cst instead of fold_convert.
5657
        (fold_cond_expr_with_comparison): Use build_int_cst to construct
5658
        integer constants of the correct type.
5659
        (fold_div_compare): Likewise.
5660
        (fold_single_bit_test): Likewise.
5661
        (fold_binary): Likewise.
5662
        * stor-layout.c (layout_type) : Ensure that TYPE_SIZE
5663
        has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
5664
 
5665
2006-11-11  Andrew Pinski  
5666
 
5667
        PR rtl-opt/28812
5668
        * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
5669
        non null value if the struct memory access is in the 0th
5670
        aliasing set.
5671
 
5672
2006-11-12  Jie Zhang  
5673
 
5674
        Revert
5675
        2006-11-11  Jie Zhang  
5676
        * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
5677
        and __BFIN__.
5678
 
5679
        * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
5680
        instead of builtin_define for bfin and BFIN.
5681
 
5682
2006-11-11  Jie Zhang  
5683
 
5684
        * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
5685
        and __BFIN__.
5686
 
5687
2006-11-11  Jan Hubicka  
5688
 
5689
        * extend.texi (__builtin_expect): We no longer require second argument
5690
        to be constant.
5691
        * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
5692
        * builtins.c (expand_builtin_expect): Simplify.
5693
        (expand_builtin_expect_jump): Kill.
5694
        * final.c (final_scan_insn): Do not skip the removed notes.
5695
        * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
5696
        EXPECTED_VALUE): Remove.
5697
        * dojump.c (do_jump): Do not care about __builtin_expect.
5698
        * predict.c (expected_value_to_br_prob): Kill.
5699
        * function.c (expand_function_end): Do not expand
5700
        NOTE_INSN_REPEATED_LINE_NUMBER.
5701
        * print-rtl.c (print_rtx): Do not pretty print the removed notes.
5702
        * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
5703
        * cfgexpand.c (add_reg_br_prob_note): Export.
5704
        * cfgcleanup.c (rest_of_handle_jump2): Do not call
5705
        expected_value_to_br_prob.
5706
        * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
5707
        * rtl.h (add_reg_br_prob_note): Declare.
5708
 
5709
2006-11-11  Kaveh R. Ghazi  
5710
 
5711
        * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
5712
 
5713
2006-11-11  Jan Hubicka  
5714
 
5715
        * predict.c (predict_loops): Kill RTL variant.
5716
 
5717
2006-11-11  Jan Hubicka  
5718
 
5719
        * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
5720
        * modulo-sched.c (find_line_note): Remove.
5721
        (loop_canon_p): Do not worry about line number notes.
5722
        (sms_schedule): Likewise.
5723
        * cse.c (cse_main): Likewise.
5724
        * regmove.c (fixup_match_1): Likewise
5725
        * function.c (emit_return_info_block): Likewise.
5726
        (expand_function_end): Likewise.
5727
        (thread_prologue_an_epilogue_insns): Likewise.
5728
        * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
5729
        Likewise.
5730
        * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
5731
        emit_note_copy_after): Kill.
5732
        (emit_note_copy): Do not worry about line numbers.
5733
        * jump.c (purge_line_number_notes): Kill.
5734
        (pass_purge_lineno_notes): Kill.
5735
        * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
5736
        call.
5737
        * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
5738
        * passes.c (init_optimization_passes): Don't purge_lineno_notes.
5739
        * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
5740
        * tree-pass.h (pass_purge_lineno_notes): Kill.
5741
        * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
5742
        rm_redundant_line_notes.
5743
        * sched-rgb.c (schedule_region): Don't rm_line_notes,
5744
        rm_redundant_line_notes.
5745
        * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
5746
        * haifa-sched.c: Update comment about handling notes.
5747
        (unlink_line_notes): Kill.
5748
        (rm_line_notes): Kill.
5749
        (save_line_notes): Simplify.
5750
        (rm_redundant_line_notes): Kill.
5751
 
5752
2006-11-11  Richard Guenther  
5753
 
5754
        * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
5755
        Remove unused tree codes.
5756
        * tree-vrp.c (extract_range_from_unary_expr): Remove handling
5757
        of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
5758
        * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5759
        * tree.c (stabilize_reference): Likewise.
5760
        * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
5761
        fold_unary): Likewise.
5762
        * tree-gimple.c (is_gimple_cast): Likewise.
5763
        * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
5764
        * expr.c (expand_expr_real_1): Likewise.
5765
        * tree-eh.c (tree_could_trap_p): Likewise.
5766
        * gimplify.c (gimplify_expr): Likewise.
5767
        * tree-inline.c (estimate_num_insns_1): Likewise.
5768
        * tree-cfg.c (verify_expr): Likewise.
5769
 
5770
2006-11-11  Zdenek Dvorak 
5771
 
5772
        * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
5773
        * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
5774
        (tree_ssa_prefetch_arrays): Do not dump for removed loops.
5775
 
5776
2006-11-11  Richard Sandiford  
5777
 
5778
        PR middle-end/27528
5779
        * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
5780
        constraints accept neither registers or memories.
5781
 
5782
2006-11-11  Jie Zhang  
5783
 
5784
        * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
5785
        (NO_PROFILE_COUNTERS): Define as 1.
5786
 
5787
2006-11-10  Roger Sayle  
5788
 
5789
        * fold-const.c (operand_equal_p) :
5790
        Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
5791
 
5792
2006-11-10  Peter Bergner  
5793
 
5794
        * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
5795
 
5796
2006-11-10  Kaveh R. Ghazi  
5797
 
5798
        * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
5799
        (fold_builtin_hypot): Likewise.
5800
        * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
5801
 
5802
        * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
5803
 
5804
2006-11-10  Roger Sayle  
5805
 
5806
        * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
5807
        when attempting to build INTEGER_CSTs of non-integral types.
5808
        * expmed.c (make_tree): Use the correct type, i.e. the inner
5809
        type, when constructing the individual elements of a CONST_VECTOR.
5810
 
5811
2006-11-10  Jan Hubicka  
5812
 
5813
        * cse.c (cse_process_notes): Copy the propagated value.
5814
        * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
5815
        in REG_EQUIV notes.
5816
        * gcse.c (try_replace_reg): Copy the replacement.
5817
        * i386.c (emit_i387_cw_initialization): Copy stored_mode.
5818
        (assign_386_stack_local): Always return copied memory expression
5819
        * function.c (instantiate_virtual_regs_in_insn): Copy the operand
5820
        duplicates.
5821
 
5822
2006-11-10  Jan Hubicka  
5823
 
5824
        * final.c (final): Walk from first instruction.
5825
        * cfglayout.c (insn_locators_initialize): Remove line number notes.
5826
 
5827
2006-11-10  Uros Bizjak  
5828
 
5829
        PR target/29777
5830
        * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
5831
        to define_expand.
5832
        (umulv8hi3_highpart): Ditto.
5833
        (vec_widen_smult_hi_v8hi): New expander.
5834
        (vec_widen_smult_lo_v8hi): Ditto.
5835
 
5836
2006-11-09  Kaveh R. Ghazi  
5837
 
5838
        PR middle-end/29335
5839
        * builtins.c (do_mpfr_arg3): New.
5840
        (fold_builtin_1): Handle builtins fma, fmin and fmax.
5841
 
5842
2006-11-09  Eric Christopher  
5843
 
5844
        PR bootstrap/26892
5845
        PR bootstrap/27814
5846
        PR other/28994
5847
        * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
5848
        * config.gcc (powerpc64-*-darwin*): New target.
5849
        * config.host: Ditto.
5850
        * config/rs6000/darwin64.h: New file.
5851
        * config/rs6000/x-darwin64: Ditto.
5852
        * config/rs6000/host-ppc64-darwin.c: Ditto.
5853
 
5854
2006-11-09  Steve Ellcey  
5855
 
5856
        * config/ia64/ia64.c (ia64_hpux_init_libfuncs):  Use HP-UX millicode
5857
        routines for integer division.
5858
 
5859
2006-11-09  Daniel Jacobowitz  
5860
 
5861
        * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
5862
 
5863
2006-11-09  Serge Belyshev  
5864
 
5865
        PR middle-end/29726
5866
        * fold-const.c (fold_binary) : Fix typo in variable name.
5867
 
5868
2006-11-09  Andreas Krebbel  
5869
 
5870
        * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
5871
        simplify_subreg with BLKmode outer mode.
5872
 
5873
2006-11-08  Brooks Moses  
5874
 
5875
        * doc/invoke.texi: Minor formatting fixes in option lists.
5876
 
5877
2006-11-08  Zdenek Dvorak 
5878
 
5879
        PR tree-optimization/29738
5880
        * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
5881
        (ccp_lattice_t): Remove UNKNOWN_VAL.
5882
        (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
5883
        Do not handle UNKNOWN_VAL.
5884
        (get_default_value): Set initial value of virtual operands to
5885
        VARYING.
5886
        (get_value): Always use get_default_value on uninitialized
5887
        operands.
5888
        (set_value_varying, surely_varying_stmt_p): New functions.
5889
        (set_lattice_value): Do not pass argument to get_value.
5890
        Do not handle UNKNOWN_VAL.
5891
        (likely_value): Follow the semantics described in the comment.
5892
        (ccp_initialize): Use surely_varying_stmt_p.  Do not mark
5893
        phi nodes DONT_SIMULATE_AGAIN.
5894
        (ccp_fold): Do not pass argument to get_value.
5895
        (fold_const_aggregate_ref, visit_assignment): Ditto.  Do not
5896
        handle UNKNOWN_VAL.
5897
 
5898
2006-11-08  Andrew Pinski  
5899
 
5900
        * tree-pretty-print.c (dump_generic_node) : Use
5901
        HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
5902
 
5903
2006-11-08  Roger Sayle  
5904
 
5905
        * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
5906
        test for inclusion rather than as a test for exclusion.
5907
        * tree-ssa-ccp.c (fold_stmt_r) : Use set_rhs to modify
5908
        the condition after calling fold_binary.
5909
        * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
5910
        (fold_binary) : Likewise.
5911
        * builtins.c (fold_builtin_isascii): Likewise.
5912
        (fold_builtin_isdigit): Likewise.
5913
 
5914
2006-11-08  Carlos O'Donell  
5915
 
5916
        * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
5917
        * configure: Regenerate.
5918
 
5919
2006-11-08  Dorit Nuzman  
5920
 
5921
        * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
5922
        enum argument instead of bool.
5923
        (vect_analyze_operations): Call vectorizable_type_promotion.
5924
        * tree-vectorizer.h (type_promotion_vec_info_type): New enum
5925
        stmt_vec_info_type value.
5926
        (supportable_widening_operation, vectorizable_type_promotion): New
5927
        function declarations.
5928
        * tree-vect-transform.c (vect_gen_widened_results_half): New function.
5929
        (vectorizable_type_promotion): New function.
5930
        (vect_transform_stmt): Call vectorizable_type_promotion.
5931
        * tree-vect-analyze.c (supportable_widening_operation): New function.
5932
        * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
5933
        Add implementation.
5934
        * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5935
        mode.
5936
 
5937
        * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
5938
        (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
5939
        * tree-inline.c (estimate_num_insns_1): Add cases for above new
5940
        tree-codes.
5941
        * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5942
        * expr.c (expand_expr_real_1): Likewise.
5943
        * optabs.c (optab_for_tree_code): Likewise.
5944
        (init_optabs): Initialize new optabs.
5945
        * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
5946
        vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
5947
        vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
5948
        vec_unpacku_lo_optab): Initialize new optabs.
5949
        * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
5950
        (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
5951
        OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
5952
        optab indices.
5953
        (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
5954
        (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
5955
        (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
5956
        (vec_unpacku_lo_optab): New optabs.
5957
        * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
5958
        (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
5959
        (vec_widen_smult_hi, vec_widen_smult_lo): New.
5960
        * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
5961
        (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
5962
        (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
5963
 
5964
        * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
5965
        (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
5966
        (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
5967
        (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
5968
        (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
5969
        implement the unsigned unpacking patterns.
5970
        (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
5971
        (vec_unpacks_lo_v8hi): New signed unpacking patterns.
5972
        (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
5973
        (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
5974
        (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
5975
        (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
5976
        (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
5977
        (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
5978
        multiplication patterns.
5979
 
5980
        * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
5981
        * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
5982
        (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5983
        * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
5984
        (rs6000_builtin_mul_widen_odd): New.
5985
        (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
5986
        (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
5987
        * tree-vectorizer.h (enum vect_relevant): New enum type.
5988
        (_stmt_vec_info): Field relevant chaned from bool to enum
5989
        vect_relevant.
5990
        (STMT_VINFO_RELEVANT_P): Updated.
5991
        (STMT_VINFO_RELEVANT): New.
5992
        * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
5993
        instead of STMT_VINFO_RELEVANT_P.
5994
        * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
5995
        Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
5996
        and boolean variable with enum vect_relevant.
5997
        (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
5998
        * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
5999
        (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
6000
 
6001
        2006-11-08  Richard Henderson  
6002
 
6003
        * config/i386/sse.md (vec_widen_umult_hi_v8hi,
6004
        vec_widen_umult_lo_v8hi): New.
6005
        (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
6006
        vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
6007
 
6008
        * config/i386/i386.c (ix86_expand_sse_unpack): New.
6009
        * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
6010
        * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
6011
        vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
6012
        vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
6013
        vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
6014
        vec_unpacks_lo_v4si): New.
6015
 
6016
        2006-11-08  Dorit Nuzman  
6017
 
6018
        * tree-vect-transform.c (vectorizable_type_demotion): New function.
6019
        (vect_transform_stmt): Add case for type_demotion_vec_info_type.
6020
        (vect_analyze_operations): Call vectorizable_type_demotion.
6021
        * tree-vectorizer.h (type_demotion_vec_info_type): New enum
6022
        stmt_vec_info_type value.
6023
        (vectorizable_type_demotion): New function declaration.
6024
        * tree-vect-generic.c (expand_vector_operations_1): Consider correct
6025
        mode.
6026
 
6027
        * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
6028
        * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
6029
        VEC_PACK_SAT_EXPR.
6030
        * tree-iniline.c (estimate_num_insns_1): Likewise.
6031
        * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
6032
        * optabs.c (optab_for_tree_code): Likewise.
6033
 
6034
        * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
6035
        compared against the predicate of the result is not 'mode' (the input
6036
        to the function) but a mode with half the size of 'mode'.
6037
        (init_optab): Initialize new optabs.
6038
        * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
6039
        New optab indices.
6040
        (vec_pack_mod_optab, vec_pack_ssat_optab,  vec_pack_usat_optab): New
6041
        optabs.
6042
        * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
6043
        (vec_pack_usat_optab): Initialize new optabs.
6044
        * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
6045
        * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
6046
 
6047
        2006-11-08  Richard Henderson  
6048
 
6049
        * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
6050
        (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
6051
        (vec_interleave_highv8hi, vec_interleave_lowv8hi):
6052
        (vec_interleave_highv4si, vec_interleave_lowv4si):
6053
        (vec_interleave_highv2di, vec_interleave_lowv2di): New.
6054
 
6055
        2006-11-08  Dorit Nuzman  
6056
 
6057
        * tree-vect-transform.c (vectorizable_reduction): Support multiple
6058
        datatypes.
6059
        (vect_transform_stmt): Removed redundant code.
6060
 
6061
        2006-11-08  Dorit Nuzman  
6062
 
6063
        * tree-vect-transform.c (vectorizable_operation): Support multiple
6064
        datatypes.
6065
 
6066
        2006-11-08  Dorit Nuzman  
6067
 
6068
        * tree-vect-transform.c (vect_align_data_ref): Removed.
6069
        (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
6070
        Updated function documentation. Return the increment stmt in ptr_incr.
6071
        (bump_vector_ptr): New function.
6072
        (vect_get_vec_def_for_stmt_copy): New function.
6073
        (vect_finish_stmt_generation): Create a stmt_info to newly created
6074
        vector stmts.
6075
        (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
6076
        argument.
6077
        (vectorizable_reduction, vectorizable_assignment): Not supported yet if
6078
        VF is greater than the number of elements that can fit in one vector
6079
        word.
6080
        (vectorizable_operation, vectorizable_condition): Likewise.
6081
        (vectorizable_store, vectorizable_load): Support the case that the VF
6082
        is greater than the number of elements that can fit in one vector word.
6083
        (vect_transform_loop): Don't fail in case of multiple data-types.
6084
        * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
6085
        in case of multiple data-types; the smallest type determines the VF.
6086
        (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
6087
        if they are of different sizes.
6088
        (vect_update_misalignment_for_peel): Compare misalignments in terms of
6089
        number of elements rather than number of bytes.
6090
        (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
6091
        (vect_can_advance_ivs_p): Fix a dump printout
6092
 
6093
2006-11-07  Eric Christopher  
6094
 
6095
        * libgcc2.c (__bswapdi2): Rename from bswapDI2.
6096
        (__bswapsi2): Ditto.
6097
        * libgcc2.h: Remove transformation of bswap routines.
6098
        * config/i386/i386.md (bswapsi2): New.
6099
        (bswapdi2): Ditto.
6100
 
6101
2006-11-07  Jakub Jelinek  
6102
 
6103
        * c-common.c (c_common_attributes): Add gnu_inline attribyte.
6104
        (handle_gnu_inline_attribute): New function.
6105
        * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
6106
        (merge_decls, start_decl, start_function): Likewise.
6107
        * doc/extend.texi: Document gnu_inline attribute.
6108
 
6109
2006-11-07  Steve Ellcey  
6110
 
6111
        PR other/25028
6112
        * config/ia64/t-hpux (LIB1ASMFUNCS):  Filter out _fixtfdi,
6113
        _fixunstfdi, and  _floatditf
6114
 
6115
2006-11-06  Anatoly Sokolov 
6116
 
6117
        * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
6118
        prototype.
6119
        * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
6120
        (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
6121
        lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
6122
        which start in an odd register.
6123
 
6124
2006-11-07  Richard Sandiford  
6125
 
6126
        * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
6127
 
6128
2006-11-07  Josh Conner  
6129
 
6130
        * doc/invoke.texi (fstrict-aliasing): Move implementation
6131
        details...
6132
        * doc/tree-ssa.texi (Alias analysis): ...here.
6133
 
6134
2006-11-07  Richard Guenther  
6135
 
6136
        PR tree-optimization/29610
6137
        * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
6138
        of tree_purge_dead_eh_edges as it may free dominators.
6139
 
6140
        * g++.dg/other/pr29610.C: New testcase.
6141
 
6142
2006-11-07  David Ung  
6143
 
6144
        * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
6145
        costs when optimizing for size.
6146
        (override_options): Use mips_rtx_cost_optimize_size table for cost
6147
        calculations.
6148
 
6149
2006-11-07  Jie Zhang  
6150
 
6151
        * gcc.c (process_command): Treat -b as normal switch if its argument
6152
        has no dash.
6153
 
6154
2006-11-07  David Ung  
6155
 
6156
        * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
6157
        list.
6158
 
6159
2006-11-06  Eric Christopher  
6160
 
6161
        * config.gcc: Add x86_64-darwin host support.
6162
        * config.host: Ditto.
6163
        * config/i386/darwin64.h: New file.
6164
        * config/i386/t-darwin64: Ditto.
6165
 
6166
2006-11-06  Janis Johnson  
6167
 
6168
        * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
6169
        and output-exists-not.
6170
 
6171
2006-11-06  Andrew Pinski  
6172
 
6173
        PR tree-opt/29439
6174
        * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
6175
        checking for overflow.
6176
 
6177
2006-11-06  Jan van Dijk  
6178
 
6179
        * configure.ac: Fixed typo in case statement: :: changed to ;;
6180
 
6181
2006-11-06  Bob Wilson  
6182
 
6183
        * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
6184
        count_leading_zeros, and count_trailing_zeros.
6185
        * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
6186
        (TARGET_FOLD_BUILTIN): Define.
6187
        (TARGET_EXPAND_BUILTIN): Define.
6188
        (xtensa_init_builtins): New.
6189
        (xtensa_fold_builtin): New.
6190
        (xtensa_expand_builtin): New.
6191
        (xtensa_rtx_costs): Add CTZ and CLZ.  Adjust costs for MULT.
6192
        * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
6193
        (CLZ_DEFINED_VALUE_AT_ZERO): Define.
6194
        (CTZ_DEFINED_VALUE_AT_ZERO): Define.
6195
        * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
6196
        (any_extend): New code macro.
6197
        (u, su): New code attributes.
6198
        (mulsidi3, mulsi3_highpart, clzsi2, ctzsi2): New.
6199
        (nsau): Remove; replaced by clzsi2.
6200
        (ffssi2): Use clzsi2.
6201
        * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
6202
        _clzsi2, _ctzsi2, and _ffssi2.  Rename _nsau to _clz.
6203
        * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
6204
        (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
6205
        (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
6206
 
6207
2006-11-06  Vladimir Prus  
6208
 
6209
        * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
6210
        set inhibit_libc.
6211
        * config/arm/t-strongarm-elf: Likewise.
6212
        * config/arm/t-pe: Likewise.
6213
        * config/arm/t-arm-elf: Likewise.
6214
        * config/arm/t-xscale-elf: Likewise.
6215
        * config/arm/t-arm-coff: Likewise.
6216
        * config/arm/t-xscale-coff: Likewise.
6217
        * config/arm/t-wince-pe: Likewise.
6218
 
6219
2006-11-05  Kaz Kojima  
6220
 
6221
        * config/sh/lib1funcs-4-300.asm: Guard entire file with
6222
        #if !__SHMEDIA__ .
6223
 
6224
2006-11-05  Jakub Jelinek  
6225
 
6226
        PR middle-end/29695
6227
        * fold-const.c (fold_ternary): Fix A < 0 ?  : 0
6228
        simplification.
6229
 
6230
2006-11-04  Uros Bizjak  
6231
 
6232
        PR target/26915
6233
        * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
6234
        as a valid 80387 constant.
6235
        (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
6236
        * config/i386/i386.md (unnamed splitter): Split the load of
6237
        constant -0.0 or -1.0  into the load of 0.0 or 1.0, followed
6238
        by negation.
6239
 
6240
2006-11-04  Richard Earnshaw  
6241
 
6242
        * arm.c (thumb_legitimate_addres_p): Allow any constant offset
6243
        from the soft-frame, argument and virtual registers.
6244
 
6245
2006-11-04  Uros Bizjak  
6246
 
6247
        * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
6248
        patterns for standard 80387 constants.
6249
 
6250
2006-11-03  Paolo Bonzini  
6251
            Steven Bosscher  
6252
 
6253
        * fwprop.c: New file.
6254
        * Makefile.in: Add fwprop.o.
6255
        * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
6256
        * passes.c (init_optimization_passes): Schedule forward propagation.
6257
        * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
6258
        parameter.
6259
        * timevar.def (TV_FWPROP): New.
6260
        * common.opt (-fforward-propagate): New.
6261
        * opts.c (decode_options): Enable forward propagation at -O2.
6262
        * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
6263
        * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
6264
        canon_for_address, table_size): Remove.
6265
        (new_basic_block, insert, remove_from_table): Remove references to
6266
        table_size.
6267
        (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
6268
        simplification loop more straightforward by not calling fold_rtx
6269
        recursively.
6270
        (equiv_constant): Move here a small part of fold_rtx_subreg,
6271
        do not call fold_rtx.  Call avoid_constant_pool_reference
6272
        to process MEMs.
6273
        * recog.h (canonicalize_change_group): New.
6274
 
6275
        * doc/invoke.texi (Optimization Options): Document fwprop.
6276
        * doc/passes.texi (RTL passes): Document fwprop.
6277
 
6278
2006-11-03  Geoffrey Keating  
6279
 
6280
        * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
6281
        (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
6282
        (grokdeclarator): Likewise.
6283
 
6284
2006-11-03  Steven Bosscher  
6285
 
6286
        * tree-dump.c (dump_enable_all): Rename local variable
6287
        ir_type to avoid name conflicts.
6288
        * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
6289
        instead of using ir_type().
6290
        * profile.c (tree_register_profile_hooks): Likewise.
6291
        * value-prof.c (tree_register_value_prof_hooks): Likewise.
6292
        * basic-block.h (struct edge_def): Likewise.
6293
        * config/arm/arm.c (legitimize_pic_address): Likewise.
6294
        * coretypes.h (ir_type): New enum of all intermediate languages
6295
        used in GCC.
6296
        * cfghooks.c (ir_type): Rename to...
6297
        (current_ir_type): ...this.  Distinguish between cfgrtl and
6298
        cfglayout mode when the current IR is RTL.  Return enum ir_type.
6299
        * cfghooks.h (ir_type): Replace with current_ir_type prototype.
6300
 
6301
2006-11-03  Paul Brook  
6302
 
6303
        * config/arm/arm.c (arm_file_start): New function.
6304
        (TARGET_ASM_FILE_START): Define.
6305
        (arm_default_cpu): New variable.
6306
        (arm_override_options): Set arm_default_cpu.
6307
 
6308
2006-11-03  David Ung  
6309
 
6310
        * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
6311
        PROCESSOR_24KC and PROCESSOR_24KF.
6312
        * config/mips/mips.c (mips_cpu_info_table): Add processor names
6313
        and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
6314
        (mips_rtx_cost_data): Add costs for the 24kc.
6315
        * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
6316
        * config/mips/24k.md: Remove references to 24k and replace with
6317
        uses of 24kc/24kf in the appropriate reservations.
6318
        * doc/invoke.texi (MIPS Options): Updated.
6319
 
6320
2006-11-03  J"orn Rennecke  
6321
 
6322
        * config/sh/crt1.asm: Fix #ifdef indent.
6323
 
6324
2006-11-03  J"orn Rennecke  
6325
        Merged from STMicroelectronics sources:
6326
        2006-10-06  Andrew Stubbs  
6327
          * config/sh/crt1.asm (vbr_600): Add missing #if.
6328
        2006-08-03  J"orn Rennecke  
6329
          * sh.opt (mfused-madd): New option.
6330
          * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
6331
        2006-07-04  Andrew Stubbs  
6332
          * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
6333
          Remove pointless handler at VBR+0.
6334
          (vbr_200, vbr_300, vbr_500): Remove pointless handler.
6335
          (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
6336
          fr7. Make sure the timer handler is called with the correct FPU
6337
          precision setting, according to the ABI.
6338
        2006-06-14  J"orn Rennecke 
6339
          * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
6340
          * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
6341
          (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
6342
        2006-06-09  J"orn Rennecke 
6343
          * sh.md (cmpgeusi_t): Change into define_insn_and_split.  Accept
6344
          zero as second operand.
6345
        2006-04-28  J"orn Rennecke 
6346
          * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
6347
          Fixed some bugs related to negative values, in particular -0
6348
          and overflow at -0x80000000.
6349
          * config/sh/divcost-analysis: Added sh4-300 figures.
6350
        2006-04-27  J"orn Rennecke 
6351
          * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
6352
        2006-04-26  J"orn Rennecke 
6353
          * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
6354
          ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
6355
          * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
6356
        New files.
6357
          * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
6358
          -m4-340.
6359
        2006-04-24  J"orn Rennecke 
6360
          SH4-300 scheduling description & fixes to SH4-[12]00 description:
6361
          * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
6362
          mac_mem, mem_mac, dfp_mul, fp_cmp.
6363
          (insn_class, dfp_comp, any_fp_comp): Update.
6364
          (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
6365
          (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
6366
          (muldf3_i): Likewise.
6367
          (movsi_i): Split rI08 alternative into two separate alternatives.
6368
          Update type.
6369
          (movsi_ie, movsi_i_lowpart): Likewise.
6370
          (movqi_i): Split ri alternative into two separate alternatives.
6371
          Update type.
6372
          * sh1.md (sh1_load_store, sh1_fp): Update.
6373
          * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
6374
          (mac_mem, sh4_fpscr_toggle): New insn_reservations.
6375
          * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
6376
          (sh4a_fp_double_arith): Likewise.
6377
          * sh4-300.md: New file.
6378
          * sh.c (sh_handle_option): Handle m4-300* options.
6379
          (sh_adjust_cost): Fix latency of auto-increments.
6380
          Handle SH4-300 differently than other SH4s.  Check for new insn types.
6381
          * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
6382
          been set by an option.
6383
          * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
6384
          (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
6385
          (mbranch-cost=): Likewise.
6386
          * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
6387
 
6388
          * sh.md (mulsf3): Remove special expansion code.
6389
          (mulsf3_ie): Now a define_insn_and_split.
6390
          (macsf3): Allow for TARGET_SH4.
6391
 
6392
          * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
6393
          * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
6394
          (expand_cbranchdi4): Likewise.
6395
          (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
6396
          CONST_DOUBLE if the outer code is COMPARE.
6397
          * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
6398
          TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
6399
          (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
6400
          (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
6401
          Remove redundant fp_{zero,one}_operand checks.
6402
          * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
6403
          * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
6404
          (expand_cbranchdi4): Likewise.
6405
        2006-04-20  J"orn Rennecke 
6406
          * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
6407
 
6408
2006-11-02  Andrew Pinski  
6409
 
6410
        * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
6411
        constraints.
6412
 
6413
2006-11-02  Brooks Moses  
6414
 
6415
        * doc/invoke.texi: Fix mfp-trap-mode typo.
6416
 
6417
2006-11-02  Carlos O'Donell  
6418
 
6419
        * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
6420
        * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
6421
        file_end_indicate_exec_stack.
6422
        * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
6423
        Define as 0.
6424
        * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
6425
        for a non-executable stack.
6426
        * crti.asm: Likewise.
6427
        * crtn.asm: Likewise.
6428
        * libunwind.S: Likewise.
6429
 
6430
2006-11-02  Ben Elliston  
6431
 
6432
        * tree-ssa.c (warn_uninit): Use expand_location variables for
6433
        locus and declaration locus.
6434
 
6435
2006-11-02  Kaz Kojima  
6436
 
6437
        PR target/27405
6438
        * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
6439
        (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
6440
        cmp{eq,gt,gtu}{si,di}_media.
6441
        (*cmpne0si_media): Remove.
6442
        (*movsicc_umin): Adjust gen_cmp*_media call.
6443
        (unordered): Change the mode of unordered and operands[1] to
6444
        SImode.
6445
        (seq): Adjust gen_cmp*_media calls.  Make the mode of
6446
        a temporary result of compare SImode if needed.  If the mode
6447
        of operands[0] is DImode, extend the temporary result to DImode.
6448
        (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
6449
        (sunorderd): Change the mode of match_operand and unorderd to
6450
        SImode.
6451
        (cmpeq{sf,df}_media): Remove.
6452
        (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
6453
        (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
6454
        and compare operation to SImode.
6455
 
6456
2006-11-02  Eric Botcazou  
6457
 
6458
        * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
6459
        instructions.
6460
        (sparc64-sun-solaris2*): Likewise.
6461
 
6462
2006-11-02  Paul Brook  
6463
 
6464
        * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
6465
        from priority argument.  Use different section for non-default
6466
        priority.
6467
        * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
6468
 
6469
2006-11-02  Eric Botcazou  
6470
 
6471
        PR other/29639
6472
        * except.c (switch_to_exception_section): Do not cache the section
6473
        if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
6474
        and flag_function_sections is set.
6475
 
6476
2006-11-01  Kaveh R. Ghazi  
6477
 
6478
        PR middle-end/29335
6479
        * builtins.c (do_mpfr_sincos): New.
6480
        (fold_builtin_1): Use it to fold builtin sincos.
6481
 
6482
2006-11-01  Roger Sayle  
6483
 
6484
        * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
6485
        it into -D_REENTRANT.
6486
 
6487
2006-11-01  Roger Sayle  
6488
 
6489
        * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
6490
        whether the assembler supports taking the difference of symbols in
6491
        different sections.  On x86/Solaris, GAS does but Solaris as doesn't.
6492
        * configure: Regenerate.
6493
        * config.in: Regenerate.
6494
        * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
6495
        the assembler doesn't support taking the difference of symbols in
6496
        different sections, i.e. we're using the native solaris assembler.
6497
 
6498
2006-11-01  Pete Steinmetz  
6499
            Peter Bergner  
6500
 
6501
        * doc/invoke.texi: Add cpu_type power6x
6502
        (RS/6000 and PowerPC Options): Add -mmfpgpr.
6503
        * config.gcc: Add cpu_type power6x.
6504
        * configure.ac: Add test for mf{t,f}gpr instructions.
6505
        (HAVE_AS_MFPGPR): New.
6506
        * config.in: Regenerate.
6507
        * configure: Regenerate.
6508
        * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
6509
        * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
6510
        shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
6511
        and mftgpr attributes.
6512
        (define_attr "cpu"): Add power6.
6513
        Change instruction sequences to use new attributes.
6514
        (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
6515
        (fix_truncdfsi2_mfpgpr): New.
6516
        (floatsidf_ppc64_mfpgpr): New.
6517
        (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
6518
        (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
6519
        (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
6520
        (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
6521
        (fix_truncdfsi2): Use gpc_reg_operand constraint.
6522
        * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
6523
        7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
6524
        Add descriptions for insert_dword, shift,trap,var_shift_rotate,
6525
        cntlz,exts and var_delayed_compare.
6526
        * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6527
        _ARCH_PWR6X, if features enabled.
6528
        * config/rs6000/rs6000.opt (mmfpgpr): New.
6529
        * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
6530
        (cached_can_issue_more): New variable.
6531
        (processor_costs): Add power6_cost.
6532
        (rs6000_sched_init): New function.
6533
        (is_dispatch_slot_restricted): Deleted.
6534
        (set_to_load_agen): New function.
6535
        (is_load_insn,is_store_insn): New functions.
6536
        (adjacent_mem_locations): New function.
6537
        (insn_must_be_first_in_group): New function.
6538
        (insn_must_be_last_in_group): New function.
6539
        (rs6000_sched_reorder): New function.
6540
        (rs6000_sched_reorder2): New function.
6541
        (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
6542
        TARGET_SCHED_REORDER2): Define.
6543
        (processor_target_table): Use PROCESSOR_POWER6 for power6.
6544
        Add power6x. Add MASK_MFPGPR for power6x.
6545
        (POWERPC_MASKS): Add MASK_MFPGPR.
6546
        (rs6000_override_options): Set rs6000_always_hint to false
6547
        for power6.  Set rs6000_align_branch_targets. Replace
6548
        rs6000_sched_groups check with rs6000_align_branch_targets.
6549
        Use PROCESSOR_POWER6.
6550
        (last_scheduled_insn): New variable.
6551
        (load_store_pendulum): New variable.
6552
        (rs6000_variable_issue): Set last_scheduled_insn and
6553
        cached_can_issue_more.
6554
        (rs6000_adjust_cost): Add power6 cost adjustments.
6555
        (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
6556
        with insn_must_be_first_in_group. Add power6 priority adjustments.
6557
        (rs6000_issue_rate): Add CPU_POWER6.
6558
        (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
6559
        * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
6560
        (TARGET_MFPGPR): New.
6561
        (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
6562
        (ASM_CPU_SPEC): Add power6x.
6563
        (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
6564
        conditions.
6565
        * config/rs6000/power6.md: New file.
6566
 
6567
2006-11-01  Adam Nemet  
6568
 
6569
        * tree-pretty-print.c (dump_generic_node) : Use
6570
        HOST_WIDE_INT_PRINT to print high and low parts.  Use
6571
        HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT.  When
6572
        printing a hexadecimal number prefix it with 0x.
6573
 
6574
2006-11-01  Chris Johns 
6575
 
6576
        PR bootstrap/28400
6577
        * Makefile.in (install-driver): Use exeext when installing
6578
        $target-gcc-$version.
6579
 
6580
2006-11-01      Douglas Gregor 
6581
 
6582
        * c-common.c (flag_cpp0x): New.
6583
        * c-common.h (flag_cpp0x): New.
6584
        * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
6585
        supported, define __GXX_EXPERIMENTAL_CPP0X__.
6586
        * c-opts.c (set_std_cxx0x): New.
6587
        (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
6588
        * c.opt (std=c++0x): Document.
6589
        (std=gnu++0x): Ditto.
6590
        * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
6591
        * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
6592
 
6593
2006-11-01  Richard Guenther  
6594
 
6595
        * config/i386/i386.c (ix86_expand_rint): Fix issues with
6596
        signed zeros.
6597
        (ix86_expand_floorceildf_32): Likewise.
6598
        (ix86_expand_floorceil): Likewise.
6599
        (ix86_expand_trunc): Likewise.
6600
 
6601
2006-10-31  Andrew Pinski  
6602
 
6603
        * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
6604
        to "GNU C89".
6605
 
6606
2006-11-01  Danny Smith  
6607
 
6608
        * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
6609
        hook.
6610
        * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
6611
        default.
6612
        * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
6613
        Override default.
6614
        * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
6615
        * configure.ac (use_cxa_atexit): As a special case, don't test
6616
        for libc definition of __cxa_atexit on mingw32
6617
        * configure: Regenerate.
6618
        * config.gcc (i[34567]86-pc-mingw32): Default to
6619
        enable__cxa_atexit=yes.
6620
 
6621
2006-11-01  Kaveh R. Ghazi  
6622
 
6623
        * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
6624
 
6625
2006-10-31  Geoffrey Keating  
6626
 
6627
        PR 23067
6628
        * c-decl.c (start_struct): Don't create self-containing
6629
        structures.
6630
        * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
6631
        New.
6632
        * config/rs6000/rs6000-protos.h
6633
        (darwin_rs6000_special_round_type_align): New.
6634
        * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
6635
        (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
6636
 
6637
2006-10-31  Geoffrey Keating  
6638
 
6639
        * toplev.c (compile_file): Call final_write_globals
6640
        even if there have been errors.
6641
 
6642
2006-10-31  Eric Christopher  
6643
            Falk Hueffner  
6644
 
6645
        * doc/extend.texi (__builtin_bswap32): Document.
6646
        (__builtin_bswap64): Ditto.
6647
        * doc/libgcc.texi (bswapsi2): Document.
6648
        (bswapdi2): Ditto.
6649
        * doc/rtl.texi (bswap): Document.
6650
        * optabs.c (expand_unop): Don't widen a bswap.
6651
        (init_optabs): Init bswap. Set libfuncs explicitly
6652
        for bswapsi2 and bswapdi2.
6653
        * optabs.h (OTI_bswap): New.
6654
        (bswap_optab): Ditto.
6655
        * genopinit.c (optabs): Handle bswap_optab.
6656
        * tree.h (tree_index): Add TI_UINT32_TYPE and
6657
        TI_UINT64_TYPE.
6658
        (uint32_type_node): New.
6659
        (uint64_type_node): Ditto.
6660
        * tree.c (build_common_tree_nodes_2): Initialize
6661
        uint32_type_node and uint64_type_node.
6662
        * builtins.c (expand_builtin_bswap): New.
6663
        (expand_builtin): Call.
6664
        (fold_builtin_bswap): New.
6665
        (fold_builtin_1): Call.
6666
        * fold-const.c (tree_expr_nonnegative_p): Return true
6667
        for bswap.
6668
        * builtin-types.def (BT_UINT32): New.
6669
        (BT_UINT64): Ditto.
6670
        (BT_FN_UINT32_UINT32): Ditto.
6671
        (BT_FN_UINT64_UINT64): Ditto.
6672
        * builtins.def (BUILT_IN_BSWAP32): New.
6673
        (BUILT_IN_BSWAP64): Ditto.
6674
        * rtl.def (BSWAP): New.
6675
        * genattrtab.c (check_attr_value): New.
6676
        * libgcc2.c (__bswapSI2): New.
6677
        (__bswapDI2): Ditto.
6678
        * libgcc2.h (__bswapSI2): Declare.
6679
        (__bswapDI2): Ditto.
6680
        * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
6681
        * simplify-rtx.c (simplify_const_unary_operation): Return
6682
 
6683
        * libgcc-std.ver (__bwapsi2): Add.
6684
        (__bswapdi2): Ditto.
6685
        * reload1.c (eliminate_regs_1): Add bswap.
6686
        (elimination_effects): Ditto.
6687
        * config/i386/i386.h (x86_bswap): New.
6688
        (TARGET_BSWAP): Use.
6689
        * config/i386/i386.c (x86_bswap): Set.
6690
 
6691
2006-10-31  Geoffrey Keating  
6692
 
6693
        * coverage.c (coverage_checksum_string): Update comment.
6694
        * dwarf2out.c (switch_to_eh_frame_section): Update for removal
6695
        of get_file_function_name.
6696
        * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
6697
        of get_file_function_name_long.
6698
        * tree.c (get_file_function_name): Rename from
6699
        get_file_function_name_long; improve comment; handle 'I' and 'D'
6700
        specially when the target has ctor/dtor support; remove special
6701
        handling for 'F'.
6702
        (get_file_function_name): Remove.
6703
        * tree.h (get_file_function_name): Rename from
6704
        get_file_function_name_long.
6705
        (get_file_function_name): Remove prototype.
6706
 
6707
2006-10-31  Geoffrey Keating  
6708
 
6709
        * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
6710
        * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
6711
 
6712
        * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
6713
        Call dsymutil when compiling and linking one or more source files
6714
        in one step.
6715
 
6716
2006-10-31  Geoffrey Keating  
6717
 
6718
        PR 15834
6719
        * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
6720
 
6721
2006-10-31  Geoffrey Keating  
6722
 
6723
        * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
6724
        inline static functions in c99 mode.
6725
 
6726
        PR 16622
6727
        * doc/extend.texi (Inline): Update.
6728
        * c-tree.h (struct language_function): Remove field 'extern_inline'.
6729
        * c-decl.c (current_extern_inline): Delete.
6730
        (pop_scope): Adjust test for an undefined nested function.
6731
        Add warning about undeclared inline function.
6732
        (diagnose_mismatched_decls): Update comments.  Disallow overriding
6733
        of inline functions in a translation unit in C99.  Allow inline
6734
        declarations in C99 at any time.
6735
        (merge_decls): Boolize variables.  Handle C99 'extern inline'
6736
        semantics.
6737
        (grokdeclarator): Set DECL_EXTERNAL here for functions.  Handle
6738
        C99 inline semantics.
6739
        (start_function): Don't clear current_extern_inline.  Don't set
6740
        DECL_EXTERNAL.
6741
        (c_push_function_context): Don't push current_extern_inline.
6742
        (c_pop_function_context): Don't restore current_extern_inline.
6743
 
6744
        PR 11377
6745
        * c-typeck.c (build_external_ref): Warn about static variables
6746
        used in extern inline functions.
6747
        * c-decl.c (start_decl): Warn about static variables declared
6748
        in extern inline functions.
6749
 
6750
2006-10-31  Roger Sayle  
6751
 
6752
        PR middle-end/23470
6753
        * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
6754
        * fold-const.c (tree_expr_nonnegative_p): Likewise.  Consider
6755
        pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
6756
        or y is an even integer.
6757
 
6758
2006-10-31  Eric Botcazou  
6759
 
6760
        PR target/24071
6761
        * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
6762
        * gthr-posix95.h (__gthread_active_p): Likewise.
6763
 
6764
2006-10-31  Richard Guenther  
6765
 
6766
        * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
6767
        acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
6768
        expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
6769
        exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
6770
        ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
6771
        lrounddi2, lroundsi2, floorxf2, floordf2, floorsf2,
6772
        lfloordi2, lfloorsi2, ceilxf2, ceildf2, ceilsf2,
6773
        btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
6774
        !optimize_size.
6775
 
6776
2006-10-31  Steven Bosscher  
6777
 
6778
        * opts.c (decode_options): Disable CSE skip blocks.
6779
 
6780
2006-10-30  Dirk Mueller  
6781
 
6782
        * c-common.h (strict_aliasing_warning): Fix whitespace.
6783
        * c-decl (start_function): Move code for main decl warning ..
6784
        * c-common.c (check_main_parameter_types): .. here.
6785
        * c-common.h (check_main_parameter_types): Declare.
6786
 
6787
2006-10-30  Kaveh R. Ghazi  
6788
 
6789
        PR middle-end/29335
6790
        * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
6791
 
6792
2006-10-30  Pete Steinmetz  
6793
 
6794
        * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
6795
        be a PARALLEL containing sets.  Return false when out_pat is not
6796
        a PARALLEL insn.
6797
 
6798
2006-10-30  Richard Sandiford  
6799
 
6800
        * config/mips/mips.md (mul3): Split into...
6801
        (mulsi3, muldi3): ...these separate patterns.
6802
 
6803
2006-10-30  Richard Sandiford  
6804
 
6805
        * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
6806
        but with each set of options separated by spaces.
6807
 
6808
2006-10-30  J"orn Rennecke  
6809
 
6810
        * unwind-dw2.c (uw_init_context_1): Fix test that checks if
6811
        dwarf_reg_size_table has been initialized.
6812
 
6813
2006-10-30  Roger Sayle  
6814
 
6815
        * builtins.c (expand_builtin_mathfn_3): Correct coding style.
6816
        * ddg.c (print_ddg_edge): Likewise.
6817
        * dwarf2out.c (prune_unused_types_walk): Likewise.
6818
        * ifcvt.c (noce_try_cmove_arith): Likewise.
6819
        * langhooks.c (add_builtin_function): Likewise.
6820
        * reg-stack.c (subst_stack_regs_pat): Likewise.
6821
        * tree.c (expanded_location): Likewise.
6822
        * tree-dump.c (dequeue_and_dump): Likewise.
6823
 
6824
2006-10-30  David Daney  
6825
 
6826
        * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
6827
 
6828
2006-10-30  Jakub Jelinek  
6829
 
6830
        PR tree-optimization/29637
6831
        * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
6832
        of the innertype is the innertype itself.
6833
 
6834
2006-10-30  Danny Smith  
6835
 
6836
        * dwarf2out.c (file_name_acquire): Correct typo.
6837
 
6838
2006-10-29  Daniel Berlin  
6839
 
6840
        * tree.h (tree_value_handle): Remove struct value_set declaration.
6841
        Change value_set to bitmap_set.
6842
        * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
6843
        * tree-vn.c (get_value_handle): Made inline and moved to
6844
        tree-flow-inline.h.
6845
        * tree-flow-inline.h: (has_stmt_ann): New function.
6846
        * tree-ssa-pre.c (expressions): New variable.
6847
        (next_expression_id): Ditto.
6848
        (alloc_expression_id): New function.
6849
        (struct value_set): Remove.
6850
        (get_expression_id): New function.
6851
        (get_or_alloc_expression_id): Ditto.
6852
        (expression_for_id): Ditto.
6853
        (clear_expression_ids): Ditto.
6854
        (FOR_EACH_EXPR_ID_IN_SET): New macro.
6855
        (bb_value_sets): Renamed to bb_bitmap_sets.
6856
        All value sets replaced with bitmap_sets.
6857
        Add visited member.
6858
        (BB_VISITED): New macro.
6859
        (postorder): New variable.
6860
        (add_to_value): Removed.
6861
        (value_exists_in_set_bitmap): Ditto.
6862
        (value_insert_into_set_bitmap): Ditto.
6863
        (set_new): Ditto.
6864
        (set_copy): Ditto.
6865
        (set_remove): Ditto.
6866
        (set_contains_value): Ditto.
6867
        (insert_into_set): Ditto.
6868
        (set_equal): Ditto.
6869
        (find_leader): Ditto.
6870
        (bitmap_set_subtract_from_value_set): Ditto.
6871
        (value_insert_into_set): Ditto.
6872
        (print_value_set): Ditto.
6873
        (debug_value_set): Ditto.
6874
        (constant_expr_p): New function.
6875
        (bitmap_remove_from_set): Ditto.
6876
        (bitmap_insert_into_set): Ditto.
6877
        (bitmap_set_free): Ditto.
6878
        (vh_compare): Ditto.
6879
        (sorted_array_from_bitmap_set): Ditto.
6880
        (bitmap_set_subtract): Ditto.
6881
        (bitmap_set_equal): Ditto.
6882
        (debug_bitmap_set): Ditto.
6883
        (find_leader_in_sets): Ditto.
6884
        (bitmap_set_replace_value): Modify for bitmapped sets.
6885
        (phi_translate): Ditto.
6886
        (phi_translate_set): Ditto.
6887
        (bitmap_find_leader): Ditto.
6888
        (valid_in_sets): Ditto.
6889
        (union_contains_value): Ditto.
6890
        (clean): Ditto.
6891
        (compute_antic_aux): Ditto.  Mark changed blocks.
6892
        (compute_antic): Ditto. Iterate in postorder and only over
6893
        changing blocks.
6894
        (compute_rvuse_and_antic_safe): Reuse postorder.
6895
        (create_component_ref_by_pieces): Modify for bitmapped sets.
6896
        (find_or_generate_expression): Ditto.
6897
        (create_expression_by_pieces): Ditto.
6898
        (insert_into_preds_of_block): Ditto.
6899
        (changed_blocks): New variable.
6900
        (do_regular_insertion): Broken out from insert_aux.
6901
        (insert_aux): Modified for bitmapped sets.
6902
        (find_existing_value_expr): New function.
6903
        (create_value_expr_from): Use it.
6904
        (insert_extra_phis): Removed.
6905
        (print_bitmap_set): Renamed from bitmap_print_value_set.
6906
        (compute_avail): Handle RETURN_EXPR.
6907
        (init_pre): Modify for bitmapped sets.
6908
        * tree-flow.h (has_stmt_ann): New function.
6909
 
6910
2006-10-29  Roger Sayle  
6911
 
6912
        * builtins.c (fold_builtin_floor): Check for the availability of
6913
        the C99 trunc function before transforming floor into trunc.
6914
 
6915
2006-10-29  Kaveh R. Ghazi  
6916
 
6917
        * builtins.c (fold_builtin_hypot): Rearrange recursive
6918
        transformation before others, and also do ABS_EXPR.  When
6919
        necessary, check flag_unsafe_math_optimizations.  When necessary,
6920
        add fabs.
6921
 
6922
2006-10-29  Roger Sayle  
6923
 
6924
        * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
6925
        Fold ~X op C as X op' ~C, where op' is the swapped comparison.
6926
        (fold_binary): ~X eq/ne C is now handled in fold_comparison.
6927
        Fold -X eq/ne -Y as X eq/ne Y.
6928
 
6929
2006-10-29  Richard Sandiford  
6930
 
6931
        * config/mips/mips.md (mul3): Check ISA_HAS_MUL3 rather than
6932
        GENERATE_MULT3_.  Restrict the test to SImode.  Use ISA_HAS_MUL3
6933
        rather than GENERATE_MULT3_SI in the various define_peephole2s.
6934
        (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
6935
        Use an inclusive test for "mult" rather than "mul".
6936
        (rotr3): Depend on ISA_HAS_ROR.
6937
        * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
6938
        ISA_HAS_MUL3.
6939
        (GENERATE_MULT3_DI): Delete.
6940
        (ISA_HAS_64BIT_REGS): Use consistent formatting.
6941
        (ISA_HAS_MUL3): New macro.
6942
        (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
6943
        (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
6944
        (ISA_HAS_CLZ_CLO): Likewise.
6945
        (ISA_HAS_DCLZ_DCLO): Delete.
6946
        (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
6947
        (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
6948
        the VR4120 and VR4130.
6949
        (ISA_HAS_MACCHI): Use consistent formatting.
6950
        (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
6951
        (ISA_HAS_ROR): ...this new macro.
6952
        (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
6953
        (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
6954
        (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
6955
 
6956
2006-10-29  Roger Sayle  
6957
 
6958
        PR tree-optimization/15458
6959
        * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
6960
        is a constant.
6961
 
6962
2006-10-29  Richard Guenther  
6963
 
6964
        * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
6965
        (ix86_expand_truncdf_32): Likewise.
6966
        * config/i386/i386.c (ix86_expand_trunc): New function expanding
6967
        trunc inline for SSE math and -fno-trapping-math and if not
6968
        optimizing for size.
6969
        (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
6970
        * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
6971
        for expanding btrunc inline for SSE math.
6972
 
6973
2006-10-29  Joseph Myers  
6974
 
6975
        * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
6976
        Handle tuning for bi-arch i[34567]86-*-linux* like that for
6977
        i[34567]86-*-solaris2.1[0-9]*.
6978
        * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
6979
        Define conditionally depending on TARGET_64BIT_DEFAULT.
6980
        (SPEC_32, SPEC_64): Define.
6981
        (LINK_SPEC): Use them.
6982
        * doc/install.texi (--enable-targets=all): Document for x86-linux.
6983
 
6984
2006-10-29  Richard Guenther  
6985
 
6986
        * config/i386/i386-protos.h (ix86_expand_round): Declare.
6987
        (ix86_expand_rounddf_32): Likewise.
6988
        * config/i386/i386.c (ix86_expand_round): New function expanding
6989
        round inline for SSE math and -fno-trapping-math and if not
6990
        optimizing for size.
6991
        (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
6992
        * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
6993
        round via ix86_expand_round.
6994
 
6995
2006-10-29  Richard Guenther  
6996
 
6997
        * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
6998
        (ix86_expand_floorceildf_32): Likewise.
6999
        * config/i386/i386.c (ix86_expand_sse_compare_mask): New
7000
        static helper function.
7001
        (ix86_expand_floorceil): Expander for floor and ceil to SSE
7002
        math.
7003
        (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
7004
        * config/i386/i386.md (floordf2): Adjust to enable floor
7005
        expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
7006
        -fno-trapping-math is enabled and if not optimizing for size.
7007
        (floorsf2, ceildf2, ceilsf2): Likewise.
7008
        * config/i386/sse.md (sse_maskcmpsf3): New insn.
7009
        (sse2_maskcmpdf3): Likewise.
7010
 
7011
2006-10-29  Richard Guenther  
7012
 
7013
        * builtins.c (expand_builtin_mathfn): Expand nearbyint as
7014
        rint in case -fno-trapping-math is enabled.
7015
        * config/i386/i386-protos.h (ix86_expand_rint): Declare.
7016
        * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
7017
        (ix86_expand_sse_fabs): Likewise.
7018
        (ix86_expand_rint): New function expanding rint to x87 or SSE math.
7019
        * config/i386/i386.md (rintdf2): Enable for SSE math if
7020
        -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
7021
        (rintsf2): Likewise.
7022
 
7023
2006-10-29  Richard Guenther  
7024
 
7025
        * genopinit.c (optabs): Change lfloor_optab and lceil_optab
7026
        to conversion optabs.
7027
        * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
7028
        as conversion optab.
7029
        * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
7030
        (enum convert_optab_index): Add COI_lfloor and COI_lceil.
7031
        (lfloor_optab, lceil_optab): Adjust defines.
7032
        * builtins.c (expand_builtin_int_roundingfn): Adjust for
7033
        lfloor and lceil optabs now being conversion optabs.
7034
        * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
7035
        * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
7036
        New static helper function.
7037
        (ix86_expand_lfloorceil): New function to expand lfloor and
7038
        lceil inline.
7039
        * config/i386/i386.md (lfloor2): Split into ...
7040
        (lfloorxf2): ... x87 variant
7041
        (lfloordi2, lfloorsi2): ... and SSE variants
7042
        using ix86_expand_lfloorceil.
7043
        (lceil2, lceilxf2, lceildi2, lceilsi2):
7044
        Likewise.
7045
        * doc/md.texi (lfloorMN, lceilMN): Document.
7046
 
7047
2006-10-29  Richard Sandiford  
7048
 
7049
        * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE.  Test for the
7050
        -mno-shared assembler option on mips targets.
7051
        * configure, config.in: Regenerate.
7052
        * config/mips/linux.h (NO_SHARED_SPECS): New macro.
7053
        (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
7054
        * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
7055
 
7056
2006-10-29  Richard Sandiford  
7057
 
7058
        * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
7059
        as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
7060
 
7061
2006-10-29  Kazu Hirata  
7062
 
7063
        * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
7064
        config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
7065
        comment typos.
7066
 
7067
2006-10-28  Kaveh R. Ghazi  
7068
 
7069
        PR middle-end/29335
7070
        * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
7071
        (fold_builtin_pow): Evaluate constant arguments at compile-time
7072
        using MPFR.
7073
        (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
7074
        (do_mpfr_ckconv): New helper function.
7075
        (do_mpfr_arg1): Use do_mpfr_ckconv.
7076
        (do_mpfr_arg2): New.
7077
 
7078
2006-10-28  Andrew Pinski  
7079
 
7080
        PR tree-opt/29271
7081
        * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
7082
        (-fdump-rtl-sched): Rename to ..
7083
        (-fdump-rtl-sched1): here.  Also fix file extension number.
7084
 
7085
2006-10-28  Richard Guenther  
7086
 
7087
        * fold-const.c (maybe_canonicalize_comparison): Fix code
7088
        to match comment.
7089
 
7090
2006-10-28  Uros Bizjak  
7091
 
7092
        * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
7093
        (NON_QI_REG_P): Use IN_RANGE.
7094
        (REX_INT_REGNO_P): Use IN_RANGE.
7095
        (FP_REGNO_P): Use IN_RANGE.
7096
        (SSE_REGNO_P): Use IN_RANGE.
7097
        (REX_SSE_REGNO_P): Use IN_RANGE.
7098
        (MMX_REGNO_P): Use IN_RANGE.
7099
        (STACK_REGNO_P): New macro.
7100
        (STACK_REG_P): Use STACK_REGNO_P.
7101
        (NON_STACK_REG_P): Use STACK_REGNO_P.
7102
        (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
7103
        (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
7104
        (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
7105
        (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
7106
        (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
7107
 
7108
2006-10-28  Eric Botcazou  
7109
 
7110
        * except.h (output_function_exception_table): Add 'const char*' param.
7111
        * except.c (switch_to_exception_section): Add 'const char*' param.
7112
        If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
7113
        and flag_function_sections is set, use a function-specific section.
7114
        (output_function_exception_table): Add 'const char*' param.
7115
        Adjust call to switch_to_exception_section.
7116
        * final.c (rest_of_handle_final): Adjust calls to
7117
        output_function_exception_table.
7118
        * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
7119
        * config.in: Regenerate.
7120
        * configure: Likewise.
7121
 
7122
2006-10-28  Richard Guenther  
7123
 
7124
        PR middle-end/26899
7125
        * fold-const.c (maybe_canonicalize_comparison_1): Helper
7126
        for maybe_canonicalize_comparison.
7127
        (maybe_canonicalize_comparison): New function for canonicalizing
7128
        comparison trees.
7129
        (fold_comparison): Call it to canonicalize comparisons with
7130
        constants involved.
7131
 
7132
2006-10-28  Richard Guenther  
7133
 
7134
        PR target/28806
7135
        * builtins.c (expand_builtin_int_roundingfn_2): Expand
7136
        BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
7137
        (expand_builtin): Adjust likewise.
7138
        * genopinit.c (optabs[]): Add lround optab.
7139
        * optabs.c (init_optabs): Initialize lround_optab.
7140
        * optabs.h (enum convert_optab_index): Add COI_lround.
7141
        (lround_optab): Define.
7142
        * config/i386/i386-protos.h (ix86_expand_lround): Declare.
7143
        * config/i386/i386.c (ix86_sse_copysign_to_positive): New
7144
        static function.
7145
        (ix86_expand_lround): New function.
7146
        * config/i386/i386.md (lrounddi2, lroundsi2):
7147
        New expanders.
7148
        * doc/md.texi (lroundMN2): Document.
7149
 
7150
2006-10-28 Uros Bizjak 
7151
 
7152
        PR target/29377
7153
        * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
7154
        argument to HOST_WIDE_INT.  Update function prototype.
7155
        (round_frame_size): Change return type to HOST_WIDE_INT.  Change
7156
        "size" argument to HOST_WIDE_INT.  Update function prototype.
7157
 
7158
2006-10-28 Uros Bizjak 
7159
 
7160
        * config/i386/i386.c (output_387_ffreep): Create output from a
7161
        template string for !HAVE_AS_IX86_FFREEP.
7162
 
7163
2006-10-27  Eric Christopher  
7164
 
7165
        * config/darwin.c: Fix formatting and grammar.
7166
 
7167
2006-10-27  Jan Hubicka  
7168
 
7169
        * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
7170
        to be thrown away soon when IGNORE is set.
7171
        * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
7172
        indicating when return value shall not be computed.
7173
        * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
7174
 
7175
2006-10-27  Vladimir Makarov  
7176
 
7177
        * config/i386/i386.h (TARGET_GEODE):
7178
        (TARGET_CPU_CPP_BUILTINS): Add code for geode.
7179
        (TARGET_CPU_DEFAULT_geode): New macro.
7180
        (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
7181
        TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
7182
        TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
7183
        TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
7184
        TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
7185
        the macro values.
7186
        (TARGET_CPU_DEFAULT_NAMES): Add geode.
7187
        (processor_type): Add PROCESSOR_GEODE.
7188
 
7189
        * config/i386/i386.md: Include geode.md.
7190
        (cpu): Add geode.
7191
 
7192
        * config/i386/i386.c (geode_cost): New initialized global
7193
        variable.
7194
        (m_GEODE, m_K6_GEODE): New macros.
7195
        (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
7196
        x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
7197
        x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
7198
        x86_schedule): Use m_K6_GEODE instead of m_K6.
7199
        (x86_movx, x86_cmove): Set up m_GEODE.
7200
        (x86_integer_DFmode_moves): Clear m_GEODE.
7201
        (processor_target_table): Add entry for geode.
7202
        (processor_alias_table): Ditto.
7203
 
7204
        * config/i386/geode.md: New file.
7205
 
7206
        * doc/invoke.texi: Add entry about geode processor.
7207
 
7208
2006-10-27  Mike Stump  
7209
 
7210
        * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
7211
        __DYNAMIC__ from here back to ...
7212
        * config/darwin.h (CPP_SPEC): ... here.
7213
 
7214
2006-10-26  Nathan Froyd  
7215
            Nathan Sidwell  
7216
 
7217
        * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
7218
        when choosing the minimum heapsize.
7219
 
7220
2006-10-26  Nathan Froyd 
7221
 
7222
        * gcc/unwind-dw2.h: Move cfa-related variables into
7223
        struct frame_state_reg_info to ensure that the CFA is properly
7224
        handled when executing DW_CFA_{remember,restore}_state.
7225
        * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
7226
        gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
7227
        gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
7228
        gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
7229
        gcc/config/rs6000/linux-unwind.h,
7230
        gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
7231
        gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
7232
        Modify to use new cfa_* fields.
7233
 
7234
2006-10-26  Andreas Krebbel  
7235
 
7236
        * config/s390/s390.c (s390_init_frame_layout): Check positive
7237
        frame_size.
7238
 
7239
2006-10-26  Ben Elliston  
7240
 
7241
        * gimplify.c (get_name): Remove extraneous break.
7242
        (gimplify_omp_for): Initialise ret with GS_OK.
7243
 
7244
2006-10-25  Steve Ellcey  
7245
 
7246
        * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
7247
        Add unix98.o to link line.
7248
 
7249
2006-10-25  Kaveh R. Ghazi  
7250
 
7251
        PR middle-end/29335
7252
        * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
7253
        Calculate compile-time constants using MPFR.
7254
        (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
7255
        BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
7256
 
7257
2006-10-25  Bob Wilson  
7258
 
7259
        * config/xtensa/lib2funcs.S: Use C-style comments.
7260
 
7261
2006-10-24  Nathan Froyd  
7262
 
7263
        * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
7264
        (file_table_relative_p): Likewise.
7265
        (dwarf2out_finish): Likewise.
7266
        (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
7267
 
7268
2006-10-25  Daniel Berlin  
7269
 
7270
        * tree-ssa-structalias.c (intra_create_variable_infos):
7271
          Don't recreate nonlocal_all if it already exists.
7272
 
7273
2006-10-25  Richard Guenther  
7274
 
7275
        PR target/28803
7276
        * optabs.h (enum optab_index): Remove OTI_lrint.
7277
        (enum convert_optab_index): Add COI_lrint.
7278
        (lrint_optab): Adjust.
7279
        (expand_sfix_optab): Declare.
7280
        * optabs.c (expand_sfix_optab): New function.
7281
        (init_optabs): Init lrint_optab as conversion optab.
7282
        * genopinit.c (lrint_optab): Change to a conversion optab.
7283
        * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
7284
        expansion via conversion optab.
7285
        * config/i386/i386.md (*fistdi2_1): Remove
7286
        flag_unsafe_math_optimizations guard.
7287
        (fistdi2, fistdi2_with_temp, *fist2_1, fist2,
7288
        fist2_with_temp): Likewise.
7289
        (lrint2): Split into...
7290
        (lrintxf2): ... x87 part
7291
        (lrintdi2, lrintsi2): ... and SSE parts.
7292
        * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
7293
        sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
7294
        UNSPEC_FIX_NOTRUNC matching non-vector float modes.
7295
        * doc/md.texi (lrintMN2): Document.
7296
 
7297
2006-10-25  Uros Bizjak  
7298
 
7299
        PR target/28909
7300
        * config/i386/sync.md ("sync_add", "sync_sub"):
7301
        Use inc and dec instructions for TARGET_USE_INCDEC.
7302
        ("*sync_compare_and_swap"): Fix -masm=intel template.
7303
        ("sync_double_compare_and_swap"): Likewise.
7304
        ("*sync_double_compare_and_swapdi_pic"): Likewise.
7305
        ("*sync_compare_and_swap_cc"): Likewise.
7306
        ("sync_double_compare_and_swap_cc"): Likewise.
7307
        ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
7308
        ("sync_old_add"): Likewise.
7309
        ("sync_lock_test_and_set"): Likewise.
7310
        ("sync_lock_test_and_set"): Likewise.
7311
        ("sync_add"): Likewise.
7312
        ("sync_sub"): Likewise.
7313
        ("sync_ior"): Likewise.
7314
        ("sync_and"): Likewise.
7315
        ("sync_xor"): Likewise.
7316
 
7317
2006-10-25  Uros Bizjak  
7318
 
7319
        * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
7320
        (remainder_optab): Define corresponding macro.
7321
        (drem_optab): Remove.
7322
        * optabs.c (init_optabs): Initialize remainder_optab.  Remove
7323
        drem_optab initialization.
7324
        * genopinit.c (optabs): Implement remainder_optab using
7325
        remainder?f3 patterns.  Remove drem_optab.
7326
        * builtins.c (expand_builtin_mathfn_2): Handle
7327
        BUILT_IN_REMAINDER{,F,L} using remainder_optab.
7328
        (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
7329
        expand_builtin_mathfn_2.
7330
 
7331
        (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
7332
        depend on flag_unsafe_math_optimizations.
7333
 
7334
        * config/i386/i386.md ("remaindersf3", "remainderdf3")
7335
        ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
7336
        Do not depend on flag_unsafe_math_optimizations.  Use
7337
        truncxf?f expander instead of truncxf?f_i387_noop.
7338
 
7339
        ("fpremxf4", "fprem1xf4"): Do not depend on
7340
        flag_unsafe_math_optimizations.
7341
        ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
7342
        flag_unsafe_math_optimizations.  Use truncxf?f expander
7343
        instead of truncxf?f_i387_noop.
7344
 
7345
        * doc/md.texi (fmod, remainder): Document standard named pattern.
7346
 
7347
2006-10-24  Richard Sandiford  
7348
            David Daney  
7349
 
7350
        PR middle-end/29519
7351
        * rtlanal.c (nonzero_address_p):  Remove check for values wrapping.
7352
 
7353
2006-10-25  Ben Elliston  
7354
 
7355
        * doc/extend.texi (Variable Attributes): Typo fix.
7356
 
7357
2006-10-24  Uros Bizjak  
7358
 
7359
        * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
7360
        (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
7361
        (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
7362
        (FRAME_POINTER_REGNUM): Update register number to 21.
7363
        (REG_CLASS_CONTENTS): Update contents for added fpcr register.
7364
        (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
7365
 
7366
        * config/i386/i386.c (regclass_map): Add fpcr entry.
7367
        (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
7368
        Add fpcr entry.
7369
        (print_reg): Assert REGNO (x) != FPCR_REG.
7370
 
7371
        * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
7372
        (DIRFLAG_REG): Renumber.
7373
        (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
7374
        (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
7375
        (sse_prologue_save, *sse_prologue_save_insn): Renumber
7376
        hardcoded SSE register numbers.
7377
 
7378
        * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
7379
        hardcoded MMX register numbers.
7380
 
7381
2006-10-24  Kaveh R. Ghazi  
7382
 
7383
        PR middle-end/29335
7384
        * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
7385
        (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
7386
        Update all callers.
7387
        (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
7388
        (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
7389
        BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
7390
        BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
7391
 
7392
2006-10-24  Richard Guenther  
7393
 
7394
        PR middle-end/28796
7395
        * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
7396
        and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
7397
        for deciding optimizations in consistency with fold-const.c
7398
        (fold_builtin_unordered_cmp): Likewise.
7399
 
7400
2006-10-24  Richard Guenther  
7401
 
7402
        * builtins.c (fold_builtin_floor): Fold floor (x) where
7403
        x is nonnegative to trunc (x).
7404
        (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
7405
        nonnegative to FIX_TRUNC_EXPR.
7406
 
7407
2006-10-24  Richard Guenther  
7408
 
7409
        PR tree-optimization/29567
7410
        * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
7411
        for TRUTH_NOT_EXPR.  Clarify comments.
7412
 
7413
2006-10-24  Kaveh R. Ghazi  
7414
 
7415
        PR middle-end/29335
7416
        * builtins.c (fold_builtin_exponent): Evaluate constant arguments
7417
        at compile-time using MPFR.  Change parameter VALUE to FUNC,
7418
        update all callers.
7419
        (do_mpfr_arg1): Rename `exact' to `inexact'.  Carefully check
7420
        for overflow and underflow at all times and avoid folding in
7421
        those cases.
7422
 
7423
2006-10-24  Ben Elliston  
7424
 
7425
        * reload1.c: Formatting fixes.
7426
 
7427
2006-10-23  Zdenek Dvorak 
7428
 
7429
        PR tree-optimization/14784
7430
        * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
7431
        * tree-ssa-structalias.c (get_constraint_for,
7432
        intra_create_variable_infos): Set is_heapvar.
7433
        * tree-ssa-operands.c (access_can_touch_variable): Do not handle
7434
        non-heapvar pointer variables specially.
7435
 
7436
2006-10-23  Kaveh R. Ghazi  
7437
 
7438
        PR middle-end/29335
7439
        * builtins.c (fold_builtin_sin, fold_builtin_cos,
7440
        fold_builtin_tan): Fold all constant arguments.  Take a "type"
7441
        argument as necessary.
7442
        (do_mpfr_arg1): New.
7443
        * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
7444
 
7445
2006-10-23  Bob Wilson  
7446
 
7447
        * config/xtensa/lib1funcs.asm: Use C-style comments.
7448
 
7449
2006-10-23 Rafael Ávila de Espíndola  
7450
 
7451
        * tree.c (local_define_builtin): Replace calls to
7452
        lang_hooks.builtin_function with add_builtin_function.
7453
        * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
7454
        c_builtin_function.
7455
        * c-tree.h (builtin_function): Rename to c_builtin_function. Change
7456
        the signature.
7457
        * c-decl.c (builtin_function): Rename to c_builtin_function. Move
7458
        common code to add_builtin_function.
7459
        * langhooks.c (add_builtin_function): New function.
7460
        (lhd_builtin_function): New function.
7461
        * langhooks.h (struct lang_hooks): Change the signature of
7462
        builtin_function.
7463
        (add_builtin_function): New function.
7464
        * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
7465
        calls to lang_hooks.builtin_function with add_builtin_function.
7466
        * c-common.c (decl_builtin_1): Replace calls to
7467
        lang_hooks.builtin_function with add_builtin_function.
7468
        * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
7469
        lang_hooks.builtin_function with add_builtin_function.
7470
        * config/frv/frv.c (def_builtin): Replace calls to
7471
        lang_hooks.builtin_function with add_builtin_function.
7472
        * config/s390/s390.c (s390_init_builtins): Replace calls to
7473
        lang_hooks.builtin_function with add_builtin_function.
7474
        * config/sparc/sparc.c (def_builtin): Replace calls to
7475
        lang_hooks.builtin_function with add_builtin_function.
7476
        * config/i386/i386.c (def_builtin): Replace calls to
7477
        lang_hooks.builtin_function with add_builtin_function.
7478
        * config/sh/sh.c (sh_media_init_builtins): Replace calls to
7479
        lang_hooks.builtin_function with add_builtin_function.
7480
        * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
7481
        lang_hooks.builtin_function with add_builtin_function.
7482
        * config/stormy16/stormy16.c (xstormy16_init_builtins):
7483
        Replace calls to lang_hooks.builtin_function with
7484
        add_builtin_function.
7485
        * config/iq2000/iq2000.c (def_builtin):
7486
        Replace calls to lang_hooks.builtin_function with
7487
        add_builtin_function.
7488
        * config/ia64/ia64.c (def_builtin): Replace calls to
7489
        lang_hooks.builtin_function with add_builtin_function.
7490
        * config/rs6000/rs6000.c (def_builtin): Replace calls to
7491
        lang_hooks.builtin_function with add_builtin_function.
7492
        (altivec_init_builtins): Replace calls to
7493
        lang_hooks.builtin_function with add_builtin_function.
7494
        * config/arm/arm.c (def_mbuiltin): Replace calls to
7495
        lang_hooks.builtin_function with add_builtin_function.
7496
        (arm_init_tls_builtins): Replace calls to
7497
        lang_hooks.builtin_function with add_builtin_function.
7498
        * config/mips/mips.c (mips_init_builtins): Replace calls to
7499
        lang_hooks.builtin_function with add_builtin_function.
7500
        * config/bfin/bfin.c (def_builtin): Replace calls to
7501
        lang_hooks.builtin_function with add_builtin_function.
7502
        * langhooks-def.h (lhd_builtin_function): New function.
7503
        (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
7504
 
7505
2006-10-23  Jakub Jelinek  
7506
 
7507
        * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
7508
        BUILT_IN_STRNCAT_CHK.
7509
 
7510
2006-10-23  Jan Hubicka  
7511
 
7512
        * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
7513
        don't do conversion from memmove to memcpy here.
7514
        (expand_builtin_bcopy, expand_builtin): Update call of
7515
        expand_builtin_memmove.
7516
        (fold_builtin_memory_op): Do folding of memmove to memcpy here.
7517
 
7518
2006-10-23  Paul Brook  
7519
 
7520
        * stor-layout.c (start_record_layout): maximum_field_alignment
7521
        overrides STRUCTURE_SIZE_BOUNDARY.
7522
 
7523
2006-10-23  Ulrich Weigand  
7524
 
7525
        * config/s390/predicates.md ("bras_sym_operand"): Do not accept
7526
        nonlocal function symbols if flag_pic.
7527
 
7528
2006-10-23  Richard Guenther  
7529
 
7530
        PR middle-end/27132
7531
        PR middle-end/23295
7532
        * builtins.c (fold_binary): Remove checks for flag_wrapv
7533
        and flag_trapv where negate_expr_p covers these cases.
7534
 
7535
2006-10-23  Richard Guenther  
7536
 
7537
        PR middle-end/29548
7538
        * fold-const.c (fold_plusminus_mult_expr): Check exact power
7539
        of two on the absolute value.
7540
        (fold_binary): Fold x * -C to -x * C if x is easily negatable
7541
        and negating -C does not overflow.
7542
 
7543
2006-10-23  Richard Guenther  
7544
 
7545
        PR middle-end/21032
7546
        * convert.c (convert_to_real): Fold (float)-x to -(float)x
7547
        only if not flag_rounding_math.
7548
 
7549
2006-10-22  Richard Sandiford  
7550
            Kaz Kojima  
7551
 
7552
        PR target/28232
7553
        * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
7554
        SImode memory reference for the source of a movua.
7555
        * config/sh/sh.md (UNSPEC_MOVUA): New macro.
7556
        (movua): Use an unspec instead of sign_extract.  Expect the source
7557
        to have mode BLKmode.
7558
        (extv, insv): Use a BLKmode rather than SImode memory reference
7559
        for the source of a movua.
7560
 
7561
2006-10-22  Jeff Law  
7562
        Richard Guenther  
7563
 
7564
        PR tree-optimization/15911
7565
        * tree-vrp.c (extract_code_and_val_from_cond): New function.
7566
        (register_edge_assert_for_1): Likewise.
7567
        (register_edge_assert_for): Handle &&/&/||/| in conditionals.
7568
        (find_conditional_asserts): Adjust for new function signature.
7569
        (find_assert_locations): Likewise.
7570
 
7571
2006-10-22  H.J. Lu  
7572
 
7573
        * config/i386/tmmintrin.h: Remove the duplicated content.
7574
 
7575
2006-10-22  H.J. Lu  
7576
 
7577
        * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
7578
        (x86_64-*-*): Likewise.
7579
 
7580
        * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
7581
        (override_options): Check SSSE3.
7582
        (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
7583
        IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
7584
        IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
7585
        IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
7586
        IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
7587
        IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
7588
        IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
7589
        IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
7590
        IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
7591
        IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
7592
        IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
7593
        IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
7594
        IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
7595
        IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
7596
        IX86_BUILTIN_PABSD128.
7597
        (bdesc_2arg): Add SSSE3.
7598
        (bdesc_1arg): Likewise.
7599
        (ix86_init_mmx_sse_builtins): Support SSSE3.
7600
        (ix86_expand_builtin): Likewise.
7601
        * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
7602
 
7603
        * config/i386/i386.md (UNSPEC_PSHUFB): New.
7604
        (UNSPEC_PSIGN): Likewise.
7605
        (UNSPEC_PALIGNR): Likewise.
7606
        Include mmx.md before sse.md.
7607
 
7608
        * config/i386/i386.opt: Add -mssse3.
7609
 
7610
        * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
7611
        (ssse3_phaddwv4hi3): Likewise.
7612
        (ssse3_phadddv4si3): Likewise.
7613
        (ssse3_phadddv2si3): Likewise.
7614
        (ssse3_phaddswv8hi3): Likewise.
7615
        (ssse3_phaddswv4hi3): Likewise.
7616
        (ssse3_phsubwv8hi3): Likewise.
7617
        (ssse3_phsubwv4hi3): Likewise.
7618
        (ssse3_phsubdv4si3): Likewise.
7619
        (ssse3_phsubdv2si3): Likewise.
7620
        (ssse3_phsubswv8hi3): Likewise.
7621
        (ssse3_phsubswv4hi3): Likewise.
7622
        (ssse3_pmaddubswv8hi3): Likewise.
7623
        (ssse3_pmaddubswv4hi3): Likewise.
7624
        (ssse3_pmulhrswv8hi3): Likewise.
7625
        (ssse3_pmulhrswv4hi3): Likewise.
7626
        (ssse3_pshufbv16qi3): Likewise.
7627
        (ssse3_pshufbv8qi3): Likewise.
7628
        (ssse3_psign3): Likewise.
7629
        (ssse3_psign3): Likewise.
7630
        (ssse3_palignrti): Likewise.
7631
        (ssse3_palignrdi): Likewise.
7632
        (abs2): Likewise.
7633
        (abs2): Likewise.
7634
 
7635
        * config/i386/tmmintrin.h: New file.
7636
 
7637
        * doc/extend.texi: Document SSSE3 built-in functions.
7638
 
7639
        * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
7640
 
7641
2006-10-22  Ira Rosen  
7642
 
7643
        * tree-vect-transform.c (vectorizable_load): Use the type of the
7644
        return value of the mask_for_load builtin to create realign_load
7645
        stmt.
7646
 
7647
2006-10-22  Richard Sandiford  
7648
 
7649
        * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
7650
        expressions.
7651
 
7652
2006-10-21  H.J. Lu  
7653
 
7654
        * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
7655
        (UNSPEC_LDDQU): This.
7656
        * config/i386/sse.md (sse3_lddqu): Updated.
7657
 
7658
2006-10-21  Richard Guenther  
7659
 
7660
        * builtins.c (expand_builtin_int_roundingfn_2): New function.
7661
        (expand_builtin): Use it to expand lrint instead of
7662
        expand_builtin_mathfn.
7663
 
7664
2006-10-21  Uros Bizjak  
7665
 
7666
        PR middle-end/28252
7667
        * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
7668
        flag_unsafe_math_optimizations is set.
7669
 
7670
2006-10-21  Uros Bizjak  
7671
 
7672
        PR target/19398
7673
        * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
7674
        patterns to use memory input operand in x87->mem->XMM
7675
        reload sequences.  Skip transformation for TARGET_K8.
7676
 
7677
2006-10-21  Uros Bizjak  
7678
 
7679
        * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
7680
        force operand1 to register if both operands are memory operands.
7681
        (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
7682
        (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
7683
        if both operands are memory operands.
7684
        (truncdfsf2): Do not force operand1 to register if both operands
7685
        are memory operands.
7686
 
7687
2006-10-21  Kaveh R. Ghazi  
7688
 
7689
        * Makefile.in (LIBS): Add $(GMPLIBS).
7690
        * doc/install.texi: Update GMP and MPFR requirements.
7691
        * doc/sourcebuild.texi (need_gmp): Delete.
7692
 
7693
2006-10-21  Richard Guenther  
7694
 
7695
        PR tree-optimization/3511
7696
        * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
7697
        got new invariant arguments during PHI translation.
7698
 
7699
2006-10-21  Richard Guenther  
7700
 
7701
        PR middle-end/26898
7702
        * fold-const.c (fold_comparison): Fold signed comparisons
7703
        of the form X +- C1 CMP Y +- C2.
7704
 
7705
2006-10-21  Richard Guenther  
7706
 
7707
        PR target/19116
7708
        * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
7709
        if flag_unsafe_math_optimizations is specified.  We have
7710
        flag_finite_math_only for that.
7711
        * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
7712
        or flag_unsafe_math_optimizations.
7713
 
7714
2006-10-21  Richard Guenther  
7715
 
7716
        * builtins.c (fold_builtin_classify): Fix typo.
7717
 
7718
2006-10-21  Richard Guenther  
7719
 
7720
        PR middle-end/28796
7721
        * simplify-rtx.c (simplify_const_relational_operation):
7722
        Do not constant-fold ORDERED and UNORDERED for
7723
        flag_unsafe_math_optimizations but only we do not need to
7724
        honor NaNs for the given mode.
7725
 
7726
2006-10-21  Richard Guenther  
7727
 
7728
        PR target/29512
7729
        * config/i386/i386.c (classify_argument): Remove redundant
7730
        walking of the BINFOs.
7731
        (contains_128bit_aligned_vector_p): Likewise.
7732
 
7733
2006-10-20  Mark Mitchell  
7734
 
7735
        * BASE-VER: Set to 4.3.0.
7736
 
7737
2006-10-20  Daniel Berlin  
7738
 
7739
        * tree.h (DECL_PTA_ARTIFICIAL): Remove.
7740
        (tree_decl_with_vis): Remove artificial_pta_var flag.
7741
        * tree-flow.h (referenced_var_check_and_insert): Expose.
7742
        (nonlocal_all): New prototype.
7743
        * tree-ssa-structalias.c (nonlocal_for_type): Remove.
7744
        (nonlocal_all): Make global.
7745
        (nonlocal_lookup): Remove.
7746
        (nonlocal_insert): Ditto.
7747
        (create_nonlocal_var): Do not call nonlocal_insert.
7748
        (get_nonlocal_id_for_type): Remove.
7749
        (find_global_initializers): Mark new vars we find for renaming.
7750
        (intra_create_variable_infos): Only create one nonlocal.
7751
        (expand_nonlocal_solutions): Remove.
7752
        (compute_points_to_sets): Don't call it.
7753
        (ipa_pta_execute): Ditto.
7754
        (init_alias_heapvars): Don't create nonlocal_for_type.
7755
        (delete_alias_heapvars): Don't remove it.
7756
        * tree-ssa-operands.c (access_can_touch_variable): Don't prune
7757
        nonlocal_all.
7758
 
7759
2006-10-19  Brooks Moses  
7760
 
7761
        * doc/install.texi (Downloading GCC): Clarify mention of
7762
        Fortran in the "full distribution" description.
7763
 
7764
2006-10-19  Daniel Berlin  
7765
 
7766
        Fix PR tree-optimization/28778
7767
        Fix PR tree-optimization/29156
7768
        Fix PR tree-optimization/29415
7769
        * tree.h (DECL_PTA_ARTIFICIAL): New macro.
7770
        (tree_decl_with_vis): Add artificial_pta_var flag.
7771
        * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
7772
        pushed into callers.
7773
        * tree-ssa-structalias.c (nonlocal_for_type): New variable.
7774
        (nonlocal_all): Ditto.
7775
        (struct variable_info): Add directly_dereferenced member.
7776
        (var_escaped_vars): New variable.
7777
        (escaped_vars_tree): Ditto.
7778
        (escaped_vars_id): Ditto.
7779
        (nonlocal_vars_id): Ditto.
7780
        (new_var_info): Set directly_dereferenced.
7781
        (graph_size): New variable
7782
        (build_constraint_graph): Use graph_size.
7783
        (solve_graph): Don't process constraints that cannot change the
7784
        solution, don't try to propagate an empty solution to our
7785
        successors.
7786
        (process_constraint): Set directly_dereferenced.
7787
        (could_have_pointers): New function.
7788
        (get_constraint_for_component_ref): Don't process STRING_CST.
7789
        (nonlocal_lookup): New function.
7790
        (nonlocal_insert): Ditto.
7791
        (create_nonlocal_var): Ditto.
7792
        (get_nonlocal_id_for_type): Ditto.
7793
        (get_constraint_for): Allow results vector to be empty in the case
7794
        of string constants.
7795
        Handle results of calls properly.
7796
        (update_alias_info): Update alias info stats on number and type of
7797
        calls.
7798
        (find_func_aliases): Use could_have_pointers.
7799
        (make_constraint_from_escaped): Renamed from
7800
        make_constraint_to_anything, and changed to make constraints from
7801
        escape variable.
7802
        (make_constraint_to_escaped): New function.
7803
        (find_global_initializers): Ditto.
7804
        (create_variable_info_for): Make constraint from escaped to any
7805
        global variable, and from any global variable to the set of
7806
        escaped vars.
7807
        (intra_create_variable_infos): Deal with escaped instead of
7808
        pointing to anything.
7809
        (set_uids_in_ptset): Do type pruning on directly dereferenced
7810
        variables.
7811
        (find_what_p_points_to): Adjust call to set_uids_with_ptset.
7812
        (init_base_vars): Fix comment, and initialize escaped_vars.
7813
        (need_to_solve): Removed.
7814
        (find_escape_constraints): New function.
7815
        (expand_nonlocal_solutions): Ditto.
7816
        (compute_points_to_sets): Call find_escape_constraints and
7817
        expand_nonlocal_solutions.
7818
        (delete_points_to_sets): Don't fall off the end of the graph.
7819
        (init_alias_heapvars): Initialize nonlocal_for_type and
7820
        nonlocal_all.
7821
        (delete_alias_heapvars): Free nonlocal_for_type and null out
7822
        nonlocal_all.
7823
 
7824
2006-10-19  Eric Botcazou  
7825
 
7826
        * fold-const.c (add_double): Rename to add_double_with_sign.
7827
        Add 'unsigned_p' parameter and take it into account for the overflow.
7828
        (mul_double): Rename to mul_double_with_sign.
7829
        Add 'unsigned_p' parameter and take it into account for the overflow.
7830
        (fold_div_compare): Call add_double_with_sign instead of add_double
7831
        and mul_double_with_sign instead of mul_double, passing them the
7832
        unsignedness of the type.
7833
        * tree.h (add_double): Macroize.
7834
        (add_double_with_sign): New prototype.
7835
        (mul_double): Macroize.
7836
        (mul_double_with_sign): New prototype.
7837
 
7838
2006-10-19  Chen Liqin  
7839
 
7840
        * config/score/crti.asm: New file.
7841
        * config/score/crtn.asm: New file.
7842
        * config/score/elf.h: New file.
7843
        * config/score/mac.md: New file.
7844
        * config/score/misc.md: New file.
7845
        * config/score/mul-div.S: New file.
7846
        * config/score/predicates.md: New file.
7847
        * config/score/score7.md: New file.
7848
        * config/score/score.c: New file.
7849
        * config/score/score-conv.h: New file.
7850
        * config/score/score.h: New file.
7851
        * config/score/score.md: New file.
7852
        * config/score/score-mdaux.c: New file.
7853
        * config/score/score-mdaux.h: New file.
7854
        * config/score/score-modes.def: New file.
7855
        * config/score/score.opt: New file.
7856
        * config/score/score-protos.h: New file.
7857
        * config/score/score-version.h: New file.
7858
        * config/score/t-score-elf: New file.
7859
        * config.gcc: Add score*-*-* configurations(Update before).
7860
        * doc/invoke.texi (Score Options): New section.
7861
        * doc/md.texi (Score family): New section to document constraints.
7862
 
7863
2006-10-19  Nick Clifton  
7864
 
7865
        * config/arm/arm.c: Fix spelling typo.
7866
 
7867
2006-10-18  Tom Tromey  
7868
 
7869
        * doc/install.texi (Prerequisites): Mention automake 1.9.6.
7870
 
7871
2006-10-18  Jan Hubicka  
7872
 
7873
        PR middle-end/29299
7874
        * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
7875
        are used.
7876
 
7877
2006-10-18  Marcin Dalecki  
7878
 
7879
        * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
7880
        TSI_SAME_STMT, since that's the desired entity.
7881
 
7882
2006-10-17  Wolfgang Gellerich  
7883
 
7884
        * config/s390/contraints.md: New file.
7885
        * config/s390/s390-protos.h (s390_mem_constraint,
7886
        s390_O_constraint_str, s390_N_constraint_str,
7887
        s390_float_const_zero_p): Function prototypes added.
7888
        * config/s390/s390.c (s390_extra_constraint_str,
7889
        s390_const_double_ok_for_constraint_p,
7890
        s390_const_ok_for_constraint_p): Functions removed.
7891
        (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
7892
        s390_float_const_zero_p): New functions.
7893
        * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
7894
        CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
7895
        EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
7896
        Macro definitions removed.
7897
        (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
7898
        s390_extra_constraint_str): Functions removed.
7899
 
7900
2006-10-17  Andrew Pinsiki  
7901
            Richard Sandiford  
7902
 
7903
        PR target/29413
7904
        * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
7905
        * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
7906
 
7907
2006-10-16  Geoffrey Keating  
7908
 
7909
        * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
7910
        (DWARF2_FRAME_REG_OUT): Likewise.
7911
        * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
7912
        (DWARF2_FRAME_REG_OUT): Likewise.
7913
 
7914
2006-10-17  Paul Brook  
7915
 
7916
        * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
7917
 
7918
2006-10-16  Brooks Moses  
7919
 
7920
        * doc/contrib.texi, doc/install.texi, doc/standards.texi:
7921
        Standardize on "GNU Fortran" as the official name of the Fortran
7922
        compiler.
7923
 
7924
2006-10-16  Mike Stump  
7925
 
7926
        * doc/invoke.texi (Darwin Options): Document -mkernel.
7927
        * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
7928
        -mkernel support.
7929
        (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support.  Add
7930
        SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
7931
        (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
7932
        (OS_MISSING_ALTIVEC): Add.
7933
        * config/i386/i386.c (override_options): Add
7934
        SUBSUBTARGET_OVERRIDE_OPTIONS callout.
7935
        * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
7936
        -mkernel, -static or -mdynamic-no-pic is given.
7937
        (C_COMMON_OVERRIDE_OPTIONS): Add.
7938
        * config/darwin.opt (fapple-kext): Add.
7939
        (mkernel): Add.
7940
        * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
7941
        -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
7942
        -mkernel support.
7943
        (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
7944
        (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
7945
        (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
7946
        (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
7947
        (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
7948
        (flag_mkernel): Add.
7949
        (flag_apple_kext): Add.
7950
        (TARGET_KEXTABI): Add.
7951
        * config/darwin.c (darwin_handle_kext_attribute): Add.
7952
        (DARWIN_VTABLE_P): Add.
7953
        (darwin_binds_local_p): Add partial support for rebinding vtables
7954
        in kexts.
7955
        (darwin_kextabi_p): Add.
7956
        (darwin_override_options): Add.
7957
        * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
7958
        (darwin_kextabi_p): Add.
7959
        (darwin_override_options): Add.
7960
        * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
7961
        __DYNAMIC__ and __STATIC__ here.
7962
 
7963
2006-10-16  Brooks Moses  
7964
 
7965
        * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
7966
        Added mention of "make pdf" target, and Texinfo requirements for
7967
        same.
7968
 
7969
2006-10-16  DJ Delorie  
7970
 
7971
        * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
7972
        into the GOT in case we need a subreg of the address.
7973
 
7974
2006-10-16  Richard Guenther  
7975
 
7976
        PR target/25519
7977
        * doc/extend.texi (X86 Built-in Functions): Fix typos in
7978
        SSE builtin documentation.  Document SSE2 builtins.
7979
 
7980
2006-10-15  John David Anglin  
7981
 
7982
        * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
7983
        symbol in the output file for non-shared links when -nostdlib or
7984
        -nodefaultlibs isn't specified.
7985
 
7986
        * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
7987
        posix thread support.
7988
 
7989
2006-10-15  Jan Hubicka  
7990
 
7991
        PR middle-end/29241
7992
        * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
7993
        declared always_inline even when not inlining.
7994
 
7995
2006-10-15  Eric Botcazou  
7996
            John David Anglin  
7997
            Andrew Pinski  
7998
 
7999
        PR middle-end/29111
8000
        * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
8001
 
8002
2006-10-15  Jan Hubicka  
8003
            Richard Guenther  
8004
 
8005
        PR middle-end/29299
8006
        * cgraphunit.c (cgraph_finalize_compilation_unit): Call
8007
        process_function_and_variable_attributes on all variables, including
8008
        those discovered during cgraph construction phase.
8009
 
8010
2006-10-15  Bernhard Fischer  
8011
 
8012
        * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
8013
 
8014
2006-10-14  Uros Bizjak  
8015
 
8016
        * config/i386/athlon.md (athlon_fist): Add fisttp.
8017
 
8018
2006-10-13  David Edelsohn  
8019
            Ian Lance Taylor  
8020
 
8021
        PR middle-end/29250
8022
        * expr.c (expand_expr_real_1) 
8023
        CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
8024
        recursing.
8025
 
8026
2006-10-14  Kazu Hirata  
8027
 
8028
        * config/score/score.c, config/score/score.h: Fix comment
8029
        typos.
8030
 
8031
2006-10-13  Kaveh R. Ghazi  
8032
 
8033
        PR bootstrap/29402
8034
        * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
8035
        shell pipeline.
8036
 
8037
2006-10-13  Eric Christopher  
8038
 
8039
        * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
8040
 
8041
2006-10-13  Carlos O'Donell  
8042
 
8043
        Revert this change:
8044
        2006-10-13  Carlos O'Donell  
8045
        * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
8046
        alignment supported by 32-bit ELF.
8047
 
8048
2006-10-13  Eric Christopher  
8049
 
8050
        * config/darwin.c (darwin_emit_unwind_label): Strip
8051
        name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
8052
 
8053
2006-10-13  Richard Guenther  
8054
 
8055
        PR tree-optimization/29446
8056
        * tree-vrp.c (fix_equivalence_set): Remove.
8057
        (extract_range_from_assert): Do not call fix_equivalence_set.
8058
        (debug_value_range): Print a newline.
8059
        (compare_name_with_value): For equivalence sets with
8060
        inconsistent value ranges conservatively bail out.
8061
        (compare_names): Likewise.
8062
 
8063
2006-10-13  David Edelsohn  
8064
 
8065
        * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
8066
        and MPFR for gfortran.
8067
 
8068
2006-10-13  Carlos O'Donell  
8069
 
8070
        * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
8071
        alignment supported by 32-bit ELF.
8072
 
8073
2006-10-13  Paolo Bonzini  
8074
 
8075
        PR c/29092
8076
 
8077
        * c-typeck.c (digest_init): Always allow initializing vectors
8078
        that have static storage duration with compound literals.
8079
        * tree.c (build_type_attribute_qual_variant): New, based on
8080
        build_type_attribute_variant.
8081
        (build_type_attribute_variant): Rewrite using the former.
8082
        (make_vector_type): Use build_type_attribute_qual_variant to build
8083
        type variants.  Use type_hash_canon on the others.
8084
 
8085
2006-10-13  Daniel Berlin 
8086
            Ramana Radhakrishnan  
8087
 
8088
        * tree-flow-inline.h (zero_ssa_operands): Fix comment.
8089
 
8090
2006-10-12  Jan Hubicka  
8091
 
8092
        PR c/28419
8093
        * c-decl.c (c_make_fname_decl): Do not segfault in case where
8094
        current_function_decl is set but current_function_scope is not.
8095
 
8096
2006-10-12  Jie Zhang  
8097
 
8098
        * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
8099
        emit_insn to emit eh_return_internal instruction.
8100
        (eh_return_internal): Explicitly set pc.
8101
 
8102
2006-10-11  Richard Guenther  
8103
 
8104
        PR tree-optimization/28230
8105
        * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
8106
        to the correct place.
8107
 
8108
2006-10-11  Richard Guenther  
8109
 
8110
        PR inline-asm/29119
8111
        * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
8112
        addressable.
8113
 
8114
2006-10-10  Brooks Moses  
8115
 
8116
        * configure.ac: Added pdf to "Make-hooks"
8117
        * Makefile.in: Added TEXI2PDF definition, and various pdf-file
8118
        targets and *.pdf file patterns in cleanup targets.
8119
        * configure: Regenerated.
8120
 
8121
2006-10-10  Anatoly Sokolov 
8122
 
8123
        * config/avr/predicates.md: New file.
8124
        * config/avr/avr.md: Include it.
8125
        (REG_SP): New constant.
8126
        (peepholes): Use predicates.
8127
        (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
8128
        difficult_branch,  difficult_rvbranch, cbi, sbi, sbix_branch,
8129
        sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
8130
 
8131
2006-10-10  Adam Nemet  
8132
 
8133
        * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
8134
        avoid alias set 0.
8135
 
8136
2006-10-10  Jakub Jelinek  
8137
 
8138
        PR middle-end/29272
8139
        * builtins.c (var_decl_component_p): New function.
8140
        (fold_builtin_memset, fold_builtin_memory_op): Restrict
8141
        single entry optimization to variables and components thereof.
8142
 
8143
2006-10-10  Richard Guenther  
8144
 
8145
        PR rtl-optimization/29323
8146
        * except.c (set_nothrow_function_flags): For functions
8147
        that do not bind local bail out early.
8148
 
8149
2006-10-10  Ben Elliston  
8150
 
8151
        * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
8152
        -mdlmzb option.
8153
 
8154
2006-10-09  Richard Henderson  
8155
 
8156
        Revert emutls patch.
8157
 
8158
2006-10-09  Richard Guenther  
8159
 
8160
        PR middle-end/29254
8161
        * cgraphunit.c (verify_cgraph_node): Bail out on earlier
8162
        errors.
8163
 
8164
2006-10-09  Steve Ellcey  
8165
 
8166
        PR target/27880
8167
        * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
8168
        * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
8169
        * configure: Regenerate.
8170
        * config.in: Regenerate.
8171
 
8172
2006-10-09  Aldy Hernandez  
8173
 
8174
        * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
8175
 
8176
2006-10-08  Richard Sandiford  
8177
 
8178
        * config/mips/mips.c (mips_legitimize_tls_address): Implement
8179
        all TLS models in the same way as local exec if !TARGET_ABICALLS.
8180
        Remove stray newline.
8181
 
8182
2006-10-08  Richard Sandiford  
8183
 
8184
        * config/mips/mips.c (mips_classify_symbol): Do not return
8185
        SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
8186
        (mips_in_small_data_p): Tweak comments.
8187
 
8188
2006-10-08  Richard Sandiford  
8189
 
8190
        * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
8191
 
8192
2006-10-07  Kazu Hirata  
8193
 
8194
        * gimplify.c, sched-int.h: Fix comment typos.
8195
 
8196
        * sched-int.h: Fix comment typos.
8197
 
8198
2006-10-06  Maxim Kuvyrkov  
8199
 
8200
        * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
8201
        New macros.
8202
        * sched-ebb.c (begin_schedule_ready): Use them.
8203
        * haifa-sched.c (schedule_insn, move_insn, try_ready,
8204
        add_to_speculative_block, create_check_block_twin, speculate_insn,
8205
        fix_jump_move, move_block_after_check): Ditto.
8206
        * sched-rgn.c (new_ready): Ditto.
8207
 
8208
2006-10-06  Maxim Kuvyrkov  
8209
 
8210
        PR rtl-optimization/29128
8211
        * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
8212
        * sched-ebb.c (advance_target_bb): Use it to fix condition to
8213
        allow interblock movement of speculation checks.
8214
 
8215
2006-10-06  Zdenek Dvorak 
8216
 
8217
        PR middle-end/29256
8218
        * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
8219
        casted to integer type.
8220
        (get_address_cost): Decrease cost of [symbol + index] addressing modes
8221
        if they are significantly more expensive than [reg + index] ones.
8222
 
8223
2006-10-06  Jakub Jelinek  
8224
 
8225
        PR tree-optimization/29330
8226
        * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
8227
        (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
8228
        on newly allocated ddrs.
8229
        (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
8230
        to VEC (loop_p, heap) pointer.
8231
        (compute_data_dependences_for_loop): Adjust caller.
8232
        (free_dependence_relations): Free DDR_LOOP_NEST.
8233
 
8234
        * tree-loop-linear.c (linear_transform_loops): Don't forget to
8235
        free DEPENDENCE_RELATIONS and DATAREFS.
8236
 
8237
        PR target/28924
8238
        * builtins.c (expand_builtin_sync_operation,
8239
        expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
8240
        Use convert_to_mode to handle promoted arguments.
8241
 
8242
2006-10-06  J"orn Rennecke  
8243
 
8244
        * print-tree.c (print_node_brief, print_node): Print sign of Inf.
8245
 
8246
2006-10-06  J"orn Rennecke  
8247
 
8248
        * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
8249
 
8250
2006-10-05  Uros Bizjak  
8251
 
8252
        * config/i386/sync.md ("sync_add", "sync_sub",
8253
        "sync_ior", "sync_and", "sync_xor"):
8254
        Use  instead of "r" as operand 1 constraint.
8255
 
8256
2006-10-06  Olivier Hainque  
8257
 
8258
        * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
8259
        Don't recurse on the pointed-to type.
8260
        * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
8261
        DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
8262
        types with components of variable size.
8263
 
8264
2006-10-06  Danny Smith  
8265
 
8266
        * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
8267
 
8268
2006-10-06  Jakub Jelinek  
8269
 
8270
        PR tree-optimization/29290
8271
        * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
8272
        multiple exits.
8273
 
8274
        PR target/29198
8275
        * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
8276
        * config/i386/predicates.md (local_symbolic_operand): Likewise.
8277
 
8278
        PR c/29091
8279
        * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
8280
        the number of vector elements fill the rest with zeros.
8281
 
8282
2006-10-05  Richard Sandiford  
8283
 
8284
        * config/mips/mips.c (mips_pass_by_reference): Do not return false
8285
        for EABI if type is NULL.  Use a size check based on GET_MODE_SIZE
8286
        instead.
8287
 
8288
2006-10-05  Bernd Schmidt  
8289
 
8290
        * config/bfin/bfin.md (subsi3): Lose expander, change previously
8291
        unnamed pattern into subsi3.  Use correct constraints/predicates.
8292
        * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
8293
        * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
8294
 
8295
2006-10-05  Ira Rosen  
8296
 
8297
        * doc/loop.texi: Add data references analysis description.
8298
 
8299
2006-10-04  Brooks Moses  
8300
 
8301
        * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
8302
 
8303
2006-10-04  Richard Henderson  
8304
            Jakub Jelinek  
8305
 
8306
        * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
8307
        * builtin-types.def (BT_WORD): Make unsigned.
8308
        (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
8309
        * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
8310
        (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
8311
        * c-decl.c (grokdeclarator): Don't error if !have_tls.
8312
        * c-parser.c (c_parser_omp_threadprivate): Likewise.
8313
        * cgraph.c (decide_is_variable_needed): Look at force_output.
8314
        Recurse for emulated tls.
8315
        * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
8316
        checks redundant with decide_is_variable_needed.
8317
        (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
8318
        * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
8319
        emulated tls.
8320
        * expr.c (emutls_var_address): New.
8321
        (expand_expr_real_1): Expand emulated tls.
8322
        (expand_expr_addr_expr_1): Likewise.
8323
        * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
8324
        * output.h (emutls_finish): Declare.
8325
        * toplev.c (compile_file): Call it.
8326
        * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
8327
        address before wrapping in CONST.
8328
        * varasm.c (emutls_htab, emutls_object_type): New.
8329
        (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
8330
        (get_emutls_object_name, get_emutls_object_type): New.
8331
        (get_emutls_init_templ_addr, emutls_decl): New.
8332
        (emutls_common_1, emutls_finish): New.
8333
        (assemble_variable): When emulating tls, swap decls; generate
8334
        constructor for the emutls objects.
8335
        (do_assemble_alias): When emulating tls, swap decl and target name.
8336
        (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
8337
        for emulated tls.
8338
        * emutls.c: New file.
8339
        * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
8340
        tls_object for real tls.
8341
 
8342
2006-10-04  Zack Weinberg  
8343
 
8344
        Fix bug in constraint-check generator, reported by Rask Ingemann
8345
        Lambertsen:
8346
        * genpreds.c (add_constraint): Don't remove anything from the
8347
        expression here.
8348
        (write_tm_constrs_h): Detect whether "op" argument is used, and
8349
        mark it ARG_UNUSED if it isn't.
8350
        (write_insn_const_int_ok_for_constraint): Skip the part of the
8351
        expression that would test whether "op" (which is not available
8352
        here) is a CONST_INT.
8353
 
8354
2006-10-04  Ryan Mansfield  
8355
 
8356
        PR c++/28448
8357
        * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
8358
 
8359
2006-10-03  Geoffrey Keating  
8360
 
8361
        * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
8362
        current Leopard versions.
8363
        * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
8364
 
8365
2006-10-03  Kazu Hirata  
8366
 
8367
        * doc/install.texi: Fix typos.
8368
 
8369
2006-10-03  Eric Botcazou  
8370
 
8371
        * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
8372
        * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
8373
        * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
8374
 
8375
2006-10-02  Jack Howarth  
8376
 
8377
        * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
8378
        arg to be struct mach_header_64* instead.
8379
 
8380
2006-10-02  Jakub Jelinek  
8381
 
8382
        PR c/29154
8383
        * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
8384
        side effects after the outer expression's post side effects.
8385
 
8386
2006-10-01  Sandra Loosemore  
8387
 
8388
        * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET):  Fix
8389
        comments to reflect actual behavior and relationship between
8390
        DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
8391
 
8392
        * doc/c-tree.texi (Working with declarations): Fix documentation
8393
        of FIELD_DECL likewise.
8394
 
8395
2006-10-01  Ryan Mansfield  
8396
 
8397
        PR c/20533
8398
        * doc/extend.texi: Add used variable attribute description.
8399
 
8400
2006-09-30  Joseph S. Myers  
8401
 
8402
        PR c/24010
8403
        * c.opt (Woverride-init): New.
8404
        * c-opts.c (c_common_post_options): Default warn_override_init to
8405
        extra_warnings.
8406
        * c-typeck.c (add_pending_init, output_init_element): Warn for
8407
        overriding initializers without side effects.
8408
        * doc/invoke.texi (-Woverride-init): Document.
8409
        (-Wextra): Update.
8410
 
8411
2006-09-30  Eric Botcazou  
8412
 
8413
        PR rtl-optimization/28096
8414
        * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
8415
        assignment has already been used as a destination earlier in the block.
8416
 
8417
2006-09-29  Eric Botcazou  
8418
 
8419
        * builtins.c (expand_builtin_setjmp): Delete.
8420
        (expand_builtin) : Mark as unreachable.
8421
        : New case.
8422
        : Likewise.
8423
        : Likewise.
8424
        * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
8425
        (BUILT_IN_SETJMP_DISPATCHER): Likewise.
8426
        (BUILT_IN_SETJMP_RECEIVER): Likewise.
8427
        * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
8428
        (lower_function_body): Initialize it to false.  If it is set to true
8429
        at the end of the processing, emit the setjmp dispatcher.
8430
        (lower_stmt) : Invoke lower_builtin_setjmp if the callee
8431
        is __builtin_setjmp and set calls_builtin_setjmp to true as well.
8432
        : Fall through to above case if there is a CALL_EXPR
8433
        on the rhs of the assignment.
8434
        (lower_builtin_setjmp): New function.
8435
        * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
8436
        BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
8437
        * tree-cfg.c (make_exit_edges) : Use specific predicate
8438
        to detect calls that can go to non-local labels.  Use specific
8439
        helper to create the abnormal edges associated with them.
8440
        : Likewise.
8441
        (make_abnormal_goto_edges): New function extracted from...
8442
        (make_goto_expr_edges): ...here.  Call it for computed gotos.
8443
        (simple_goto_p): Minor tweak.
8444
        (tree_can_make_abnormal_goto): New predicate.
8445
        (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
8446
        (tree_purge_dead_abnormal_call_edges): New function.
8447
        * tree-flow.h (tree_can_make_abnormal_goto): Declare.
8448
        (tree_purge_dead_abnormal_call_edges): Likewise.
8449
        (make_abnormal_goto_edges): Likewise.
8450
        * tree-inline.c (expand_call_inline): Simplify statement frobbing.
8451
        Purge all dead abnormal edges if the call was in the last statement.
8452
        * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
8453
        (execute_fixup_cfg): If there are non-local labels in the function,
8454
        scan the basic blocks and split them at calls that can go to non-local
8455
        labels or add missing abnormal call edges.  Write down the CFG in the
8456
        dump file.
8457
        (pass_fixup_cfg): Remove TODO_dump_func flag.
8458
        * unwind-sjlj.c: Poison setjmp.
8459
        * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
8460
        * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
8461
        (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
8462
        (DONT_USE_BUILTIN_SETJMP): Document it.
8463
 
8464
2006-09-28  Geoffrey Keating  
8465
 
8466
        PR target/28617
8467
        * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
8468
        to 1 when __ppc64__ is defined.
8469
        * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
8470
        darwin-64.c.
8471
        * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
8472
 
8473
2006-09-28  Steve Ellcey  
8474
 
8475
        * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
8476
        * config/ia64/unwind-hpux.c: Delete.
8477
 
8478
2006-09-28  Eric Botcazou  
8479
 
8480
        * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
8481
        on the element before gimplifying it, instead of punting if it is of
8482
        variable size.
8483
 
8484
2006-09-28  Zdenek Dvorak 
8485
 
8486
        * doc/loop.texi: New file.
8487
        * doc/gccint.texi: Reference loop.texi.
8488
        * Makefile.in (loop.texi): Add.
8489
 
8490
2006-09-27  Geoffrey Keating  
8491
 
8492
        * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
8493
        __sysctl.
8494
        * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
8495
        * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
8496
 
8497
2006-09-28  Kaz Kojima  
8498
 
8499
        * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
8500
 
8501
2006-09-27  Steven G. Kargl  
8502
 
8503
        * doc/install.texi: Document required versions of GMP and MPFR.
8504
 
8505
2006-09-27  Paul Brook  
8506
 
8507
        PR target/29230
8508
        * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
8509
 
8510
2006-09-27  Richard Sandiford  
8511
 
8512
        * reload1.c (alter_reg): Require the alignment of the stack slot to
8513
        be at least reg_max_ref_width bytes.
8514
        (scan_paradoxical_subregs): Record the largest width in
8515
        reg_max_ref_width.
8516
 
8517
2006-09-26  Jakub Jelinek  
8518
 
8519
        PR middle-end/25261
8520
        PR middle-end/28790
8521
        * tree-nested.c (struct nesting_info): Added static_chain_added.
8522
        (convert_call_expr): Set static_chain_added when adding static
8523
        chain.  Handle OMP_PARALLEL and OMP_SECTION.
8524
 
8525
2006-09-25  Matthias Klose  
8526
 
8527
        * doc/invoke.texi: Add missing full stop.
8528
 
8529
2006-09-25  Richard Henderson  
8530
 
8531
        * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
8532
        before cgraph_function_flags_ready.
8533
 
8534
2006-09-24  Zdenek Dvorak 
8535
            Adam Nemet  
8536
 
8537
        * tree-ssa-loop-ivopts.c (aff_combination_convert,
8538
        determine_common_wider_type): New functions.
8539
        (get_computation_aff): Use them to simplify arithmetic between
8540
        UBASE and CBASE if they are shortened from the same type.
8541
 
8542
2006-09-24  Kazu Hirata  
8543
 
8544
        PR target/28911
8545
        * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
8546
        -2147483647 - 1 instead of 0x80000000.
8547
 
8548
2006-09-23  Revital1 Eres  
8549
 
8550
        * flags.h (HONOR_NANS): Fix typo in comment.
8551
 
8552
2006-09-23  Uros Bizjak 
8553
 
8554
        * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
8555
 
8556
2006-09-23  Jakub Jelinek  
8557
 
8558
        PR c/28706
8559
        PR c/28712
8560
        * tree.c (merge_attributes, attribute_list_contained): If both
8561
        TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
8562
        simple_cst_equal.
8563
        * c-typeck.c (comptypes_internal): Don't consider aggregates
8564
        in different TUs as compatible if there one set of attributes is
8565
        not a subset of the other type's attributes.
8566
        (composite_type): Try harder not to create a new aggregate type.
8567
 
8568
2006-09-22  Geoffrey Keating  
8569
 
8570
        * config/i386/driver-i386.c: Always define host_detect_local_cpu.
8571
        * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
8572
        or x86_64 host.  Define HAVE_LOCAL_CPU_DETECT.
8573
        (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
8574
        than replicating condition above.
8575
        * config.host (i[34567]86-*-*): Always use driver-i386.o.
8576
 
8577
        * config/darwin.h (LINK_SYSROOT_SPEC): New.
8578
        (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
8579
        the linker by default.
8580
 
8581
2006-09-22  Mike Stump  
8582
 
8583
        * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
8584
        code.
8585
 
8586
2006-09-22  Richard Guenther  
8587
 
8588
        PR middle-end/28964
8589
        * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
8590
        sort of stack variables stable.
8591
 
8592
2006-09-22  Peter Bergner 
8593
 
8594
        PR middle-end/28690
8595
        * explow.c (force_reg): Set REG_POINTER flag according to
8596
        MEM_POINTER flag.
8597
 
8598
2006-09-22  Zdenek Dvorak 
8599
 
8600
        PR tree-optimization/28888
8601
        * tree-if-conv.c (combine_blocks): Rewritten.
8602
        * tree-cfg.c (tree_verify_flow_info): Check that edges with
8603
        EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
8604
 
8605
2006-09-22  Jakub Jelinek  
8606
 
8607
        * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
8608
        needed.
8609
 
8610
2006-09-21  Richard Sandiford  
8611
 
8612
        * varasm.c (copy_constant): Fix reversed gcc_assert check.
8613
 
8614
2006-09-21  Janis Johnson  
8615
 
8616
        * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
8617
 
8618
2006-09-21  Roger Sayle  
8619
 
8620
        PR debug/29132
8621
        * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
8622
        dw_fde_current_label, to be the start of the function, i.e. the same
8623
        value as dw_fde_begin.
8624
 
8625
2006-09-20  Richard Sandiford  
8626
 
8627
        * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
8628
        * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
8629
        (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
8630
        (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
8631
        (*nmadd, *nmadd_fastmath): Require !HONOR_NANS.
8632
        (*nmsub, *nmsub_fastmath): Likewise.
8633
        (abs2, neg2): Likewise.
8634
        * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
8635
        (*mips_abs_ps): New define_insn.
8636
 
8637
2006-09-20  Josh Conner  
8638
 
8639
        PR middle-end/25505
8640
        * calls.c (expand_call): Allow reuse of structure return stack
8641
        temp.
8642
 
8643
2006-09-20  Paul Brook  
8644
 
8645
        * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
8646
        positive offsets.
8647
 
8648
2006-09-20  Janis Johnson  
8649
 
8650
        * doc/extend.texi (Decimal Float): Update for latest draft TR,
8651
        clean up terminology.
8652
 
8653
2006-09-20  Steve Ellcey  
8654
 
8655
        PR target/28574
8656
        * ifcvt.c (dead_or_predicable): Don't predicate then blocks
8657
        with tablejumps in them.
8658
 
8659
2006-09-20  Jakub Jelinek  
8660
 
8661
        PR middle-end/28046
8662
        * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
8663
        wrap it into TARGET_EXPR.
8664
 
8665
2006-09-20  Eric Christopher  
8666
 
8667
        * config/i386/i386.c (x86_fisttp): Remove.
8668
        * config/i386/i386.h (x86_fisttp): Ditto.
8669
        (TARGET_FISTTP): Ditto.
8670
 
8671
2006-09-19  Eric Christopher  
8672
 
8673
        * doc/tm.texi (OBJC_JBLEN): Describe.
8674
        * config/i386/darwin.h (OBJC_JBLEN): Define.
8675
        * config/rs6000/darwin.h: Ditto.
8676
 
8677
2006-09-19  Steven Bosscher  
8678
 
8679
        PR rtl-optimization/21299
8680
        * reload1.c (reload): Purge invalid ASMs in the final pass.
8681
 
8682
2006-09-19  Steve Ellcey  
8683
 
8684
        PR  28490
8685
        * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
8686
        pointers as legitimate constants.
8687
 
8688
2006-09-19  Paul Brook  
8689
 
8690
        PR target/28516
8691
        * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
8692
 
8693
2006-09-17  Zdenek Dvorak 
8694
 
8695
        PR tree-optimization/28887
8696
        * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
8697
        component parts from the reference.
8698
        (gather_memory_references_ref): Record the reference without the
8699
        nonaddressable component parts.
8700
 
8701
2006-09-17  Steven Bosscher  
8702
 
8703
        PR c/25993
8704
        * c-opts.c (c_common_handle_option): Ignore the -std options
8705
        if the input language is assembly.
8706
 
8707
2006-09-17  Ira Rosen  
8708
 
8709
        PR tree-opt/21591
8710
        * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
8711
        tag first.
8712
        (ptr_ptr_may_alias_p): Likewise.
8713
        (record_record_differ_p): New function.
8714
        (base_object_differ_p): Call record_record_differ_p.
8715
 
8716
2006-09-16  Andrew Pinski  
8717
 
8718
        PR tree-opt/29059
8719
        * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
8720
        away for the expr argument.
8721
 
8722
2006-09-16  Steven Bosscher  
8723
 
8724
        PR tree-opt/27742
8725
        * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
8726
        before using it for dumping after vectorizing loops.
8727
 
8728
2006-09-16  Andrew Pinski  
8729
            Jack Howarth  
8730
 
8731
        PR target/29030
8732
        * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
8733
        skip on error_mark_node.
8734
        (rs6000_darwin64_record_arg_recurse): Likewise.
8735
 
8736
2006-09-16  Steven Bosscher  
8737
 
8738
        * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
8739
        * doc/rtl.texi: Remove related documentation.
8740
 
8741
2006-09-16  Bernd Schmidt  
8742
 
8743
        * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
8744
        printf.
8745
 
8746
2006-09-15  Jim Wilson  
8747
 
8748
        * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
8749
        Handle symbol offsets same as they are handled in ia64_expand_move
8750
        and move_operand.
8751
 
8752
2006-09-16  Andreas Tobler  
8753
 
8754
        * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
8755
        Add forgotten parameter to the fprintf call.
8756
 
8757
2006-09-15  Steve Ellcey  
8758
 
8759
        * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
8760
 
8761
2006-09-15  Uros Bizjak 
8762
 
8763
        * doc/contrib.texi: Add my entry.
8764
 
8765
2006-09-15  Nick Clifton  
8766
 
8767
        * doc/md.texi (Processor pipeline description): Fix typo in
8768
        example of how to use the absence_set directive and reword the
8769
        description to make it slightly easier to read.
8770
 
8771
2006-09-15  Bernd Schmidt  
8772
 
8773
        * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
8774
        * loop-doloop.c (doloop_optimize): Use it to limit costs of
8775
        expanding the number of iterations.
8776
        * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
8777
 
8778
        * cfgrtl.c (emit_insn_at_entry): New function.
8779
        * rtl.h (emit_insn_at_entry): Declare it.
8780
        * integrate.c (emit_initial_value_sets): Use it.
8781
 
8782
        * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
8783
 
8784
        * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
8785
        bad.
8786
        (struct loop_work and related VEC declarations): Delete.
8787
        (bfin_dump_loops): Print out new member bad.
8788
        (bfin_bb_in_loop): Use plain bitmap test.  Don't recurse.
8789
        (bfin_scan_loop): Don't recurse.
8790
        (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
8791
        loops.  No longer need to update outer loops if the current one is
8792
        found bad.  Move some validitiy checks to bfin_discover_loop.
8793
        (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
8794
        but changed not to check for nesting.  Also changed to use the new bad
8795
        flag.
8796
        (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
8797
        time.  Use bitmap based test to discover loop nesting.
8798
 
8799
2006-09-15  Kazu Hirata  
8800
 
8801
        * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
8802
        one line.
8803
 
8804
2006-09-14  Richard Guenther  
8805
            Kazu Hirata  
8806
 
8807
        PR middle-end/28884.
8808
        * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
8809
        (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
8810
        Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
8811
        with TARGET_FUNCTION_VALUE.
8812
 
8813
2006-09-14  Anatoly Sokolov 
8814
 
8815
        PR target/26504
8816
        * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
8817
 
8818
2006-09-13  Aldy Hernandez  
8819
 
8820
        * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
8821
        of a RETURN_EXPR
8822
 
8823
2006-09-13  Andrew Pinski  
8824
 
8825
        PR debug/28980
8826
        * dwarf2out.c (loc_descriptor_from_tree_1): Handle
8827
        FUNCTION_DECL.
8828
 
8829
2006-09-13  Andreas Krebbel  
8830
 
8831
        * basic_block.h (bb_has_eh_pred): Fix comment.
8832
 
8833
2006-09-13  Andreas Krebbel  
8834
 
8835
        * flow.c (calculate_global_regs_live): Invalidate eh registers
8836
        on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
8837
        (propagate_block): Handle eh registers as if they were set at basic
8838
        block start.
8839
        * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
8840
        registers.
8841
        * global.c (global_conflicts): Make eh registers to conflict with
8842
        pseudos live at basic block begin.
8843
        * basic_block.h (bb_has_eh_pred): New function.
8844
 
8845
2006-09-13  Richard Sandiford  
8846
 
8847
        PR rtl-optimization/28982
8848
        * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
8849
        index of a PRE_MODIFY or POST_MODIFY address.
8850
        * reload1.c (inc_for_reload): Use find_replacement on the original
8851
        base and index registers.
8852
 
8853
2006-09-12  H.J. Lu  
8854
 
8855
        * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
8856
        for -Os. Update __m128 alignment requirement.
8857
 
8858
2006-09-13  Jan Hubicka  
8859
 
8860
        * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
8861
 
8862
2006-09-12  Eric Botcazou  
8863
 
8864
        PR rtl-optimization/28243
8865
        * combine.c (distribute_notes) : Do not consider SETs past
8866
        the insn to which the note was originally attached.
8867
 
8868
2006-09-12  Andrew Pinski  
8869
            Roger Sayle  
8870
 
8871
        * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
8872
        outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
8873
        on platforms that don't use dwarf for debug info.
8874
 
8875
2006-09-12  Jason Merrill  
8876
 
8877
        PR middle-end/28493
8878
        * builtins.c (expand_builtin_setjmp_receiver): Clobber
8879
        hard_frame_pointer_rtx after using it to update the frame pointer.
8880
 
8881
2006-09-12  Roger Sayle  
8882
 
8883
        * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
8884
        (TARGET_ASM_CLOSE_PAREN): Likewise.
8885
        * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
8886
        (TARGET_ASM_CLOSE_PAREN): Likewise.
8887
 
8888
2006-09-12  Roger Sayle  
8889
 
8890
        PR target/22223
8891
        * config/alpha/alpha.c (alpha_start_function): Don't emit stack
8892
        frame information for frames larger than 512 Kbytes on Tru64 when
8893
        using the native assembler.
8894
 
8895
2006-09-12  Roger Sayle  
8896
 
8897
        PR middle-end/4520
8898
        PR bootstrap/28784
8899
        * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
8900
        and symbols.  Instead use the implementation from cse.c's hash_rtx.
8901
 
8902
2006-09-12  Jan Hubicka  
8903
 
8904
        PR rtl-optimization/28071
8905
        * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
8906
        (vect_transform_loop): Likewise.
8907
        * tree-vectorizer.c (new_loop_vec_info): Likewise.
8908
        (new_loop_vec_info): Likewise.
8909
        (destroy_loop_vec_info): Likewise.
8910
        * tree-dfa.c (create_var_ann): Use GCC_CNEW.
8911
        (create_stmt_ann): Likewise.
8912
        (create_tree_ann): Rename to ...
8913
        (create_tree_common_ann): ... this one; allocate only the common part
8914
        of annotations.
8915
        * tree-vn.c (set_value_handle): Use get_tree_common_ann.
8916
        (get_value_handle): Likewise.
8917
        * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
8918
        get_tree_common_ann.
8919
        * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
8920
        (vinfo_for_stmt): Use stmt annotations.
8921
        * tree-flow.h (tree_ann_common_t): New type.
8922
        (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
8923
        (tree_ann, get_tree_ann, create_tree_ann): New.
8924
        * tree-flow-inline.h (get_function_ann): Do more type checking.
8925
        (stmt_ann): Likewise.
8926
        (tree_ann): Rename to ...
8927
        (tree_common_ann): ... this one; return ony common_ann
8928
        (get_tree_ann): Rename to ...
8929
        (tree_common_ann): This one; return only common_ann.
8930
        * tree-vect-patterns.c (vect_pattern_recog_1): Update call
8931
        of set_stmt_info.
8932
 
8933
2006-09-11  Geoffrey Keating  
8934
 
8935
        * config.gcc (i[34567]86-*-darwin*): Set with_arch and
8936
        with_cpu by default.
8937
 
8938
        * dwarf2out.c (dwarf_file_data): New.
8939
        (enum dw_val_class): Add dw_val_class_file.
8940
        (struct dw_val_struct): Add val_file.
8941
        (file_table): Change to a hash table.
8942
        (file_table_emitted): Delete.
8943
        (file_table_last_lookup_index): Delete.
8944
        (emitcount): Delete.
8945
        (last_emitted_file): New.
8946
        (lookup_filename): Change prototype to return a struct dwarf_file_data.
8947
        (init_file_table): Delete.
8948
        (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
8949
        (AT_addr): Add comment.
8950
        (add_AT_file): New.
8951
        (AT_file): New.
8952
        (get_AT_file): New.
8953
        (print_die): Handle dw_val_class_file.
8954
        (print_dwarf_line_table): Update for new file table structure.
8955
        (attr_checksum): Do checksum a filename.
8956
        (same_dw_val_p, same_attr_p): Do compare a filename.
8957
        (size_of_die): Handle dw_val_class_file.
8958
        (value_format): Likewise.
8959
        (output_die): Likewise.  Also, call maybe_emit_file here.
8960
        (struct file_info): Constify filenames.  Make file_idx a pointer
8961
        to a struct dwarf_file_data.
8962
        (struct dir_info): Constify directory names.  Remove 'used' field.
8963
        (struct file_name_acquire_data): New.
8964
        (file_name_acquire): New.
8965
        (output_file_names): Modify to handle new file data structures.
8966
        (add_src_coords_attributes): Use add_AT_file.
8967
        (add_call_src_coords_attributes): Likewise.
8968
        (dwarf2out_imported_module_or_decl): Likewise.
8969
        (gen_subprogram_die): Modify for new file data structures.
8970
        (gen_variable_die): Likewise.
8971
        (file_table_eq): New.
8972
        (file_table_hash): New.
8973
        (file_table_last_lookup): New.
8974
        (lookup_filename): Rewrite to handle new file data structures.
8975
        (maybe_emit_file): Rewrite to handle new file data structures.
8976
        (dwarf2out_source_line): Always call lookup_filename and
8977
        maybe_emit_file.
8978
        (dwarf2out_init): Create file_table here.
8979
        (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
8980
        (file_table_relative_p): New.
8981
        (dwarf2out_finish): Change detection of relative filenames
8982
        to work with new file data structures.  Move output_line_info call
8983
        after debug_info output.
8984
 
8985
2006-09-11  H.J. Lu  
8986
 
8987
        PR target/13685
8988
        PR target/27537
8989
        PR target/28621
8990
        * config/i386/i386.c (override_options): Always default to 16
8991
        byte stack boundary.
8992
 
8993
2006-09-11  Alexandre Oliva  
8994
 
8995
        PR target/28672
8996
        * var-tracking.c (dump_dataflow_set): Start dumping at
8997
        register zero.
8998
        (clobber_variable_part): Kill only the variable part in
8999
        registers holding it, leaving other variables alone.
9000
 
9001
2006-09-11  Josh Triplett  
9002
 
9003
        * doc/extend.texi (Other Builtins): Actually use the macro
9004
        argument in the documentation example for
9005
        __builtin_types_compatible_p.
9006
 
9007
2006-09-11  Eric Botcazou  
9008
 
9009
        PR rtl-optimization/28726
9010
        * sched-deps.c (sched_analyze_reg): New function extracted from...
9011
        (sched_analyze_1): ...here.  Call it to analyze references to
9012
        registers.  Treat again writes to a stack register as writing to the
9013
        register.
9014
        (sched_analyze_2): ...and here.  Call it to analyze references to
9015
        registers.  Treat again reads of a stack register as reading the
9016
        register.
9017
 
9018
2006-09-11  Guenter Roeck  
9019
            David Edelsohn  
9020
 
9021
        PR target/27287
9022
        * config/rs6000/spe.md (frob_df_di): Remove %H.
9023
        (frob_di_df): Remove %H.  Change evmergelo to mr.
9024
        (frob_di_df_2): Remove %H.  Change evldd to two loads.
9025
 
9026
2006-09-11  Hideki Iwamoto  
9027
 
9028
        * doc/cpp.texi: Fix names of charset options.
9029
 
9030
2006-09-10  Andrew Pinski  
9031
 
9032
        PR target/29009
9033
        * config/i386/i386.c (override_options): Use 128-bit
9034
        stack boundary always for 64bits.
9035
 
9036
2006-09-10  Eric Botcazou  
9037
 
9038
        PR rtl-optimization/28636
9039
        * combine.c (force_to_mode): Test for side-effects before
9040
        substituting by zero.
9041
        (simplify_shift_const): Likewise for zero or other constants.
9042
 
9043
2006-09-10  Steven Bosscher  
9044
 
9045
        PR middle-end/26983
9046
        * builtins.c (expand_builtin_setjmp): Force next_lab to be
9047
        preserved.
9048
 
9049
2006-09-10  Richard Sandiford  
9050
 
9051
        PR target/29006
9052
        * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
9053
        * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
9054
        returned by mode_for_size, rather than the mode of src itself,
9055
        to choose between 32-bit and 64-bit patterns.
9056
        (mips_mem_fits_mode_p): New function.
9057
        * config/mips/mips.md (mov_l, mov_r): Use it to check
9058
        that the size of the source matches the size of the destination.
9059
        (mov_l, mov_r): Likewise.
9060
 
9061
2006-09-10  Eric Christopher  
9062
 
9063
        * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
9064
        for literal16.
9065
 
9066
2006-09-09  Eric Christopher  
9067
 
9068
        PR target/28995
9069
        * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
9070
        for literal16.
9071
 
9072
2006-09-09  Roger Sayle  
9073
            Nicolas Setton 
9074
 
9075
        * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
9076
 
9077
2006-09-10  Andreas Schwab  
9078
 
9079
        * config/m68k/m68k.md (bungt_rev): New pattern.
9080
 
9081
2006-09-09  Paolo Bonzini  
9082
            Dale Johannesen  
9083
 
9084
        PR target/26778
9085
        * regclass.c (struct reg_pref): Update documentation.
9086
        (regclass): Set prefclass to NO_REGS if memory is the best option.
9087
        (record_reg_classes): Cope with a prefclass set to NO_REGS.
9088
 
9089
2006-09-08  Eric Christopher  
9090
 
9091
        * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
9092
        * config/t-slibgcc-darwin: Support x86_64 multilib.
9093
        * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
9094
        Return 1 for x86_64-darwin.
9095
        * config/i386/t-darwin: Add m64 multilib.
9096
        (LIB2_SIDITI_CONV_FUNCS): Use.
9097
        (LIB2FUNCS_EXTRA): Ditto.
9098
        * config/i386/darwin.h: Support x86_64.
9099
        * config/i386/i386.c (override_options): Turn on flag_pic
9100
        for x86_64-darwin. Disable flag_omit_pointer.
9101
        (get_pc_thunk_name): Assert !TARGET_64BIT.
9102
        (legitimate_address_p): Disable machopic addressing for
9103
        x86_64.
9104
        (legitimize_pic_address): Ditto.
9105
        (ix86_expand_move): Ditto.
9106
        (ix86_expand_call): Ditto.
9107
        (machopic_output_stub): Ditto.
9108
        * config/darwin.c (machopic_select_section): Support literal16.
9109
        (machopic_select_rtx_section): Ditto.
9110
        * config/darwin-sections.def: Ditto.
9111
        * config/darwin-64.c: New.
9112
 
9113
2006-09-08  Joseph S. Myers  
9114
 
9115
        PR c/28504
9116
        * c-tree.h (struct c_arg_info): Add pending_sizes.
9117
        * c-parser.c (c_parser_parms_declarator,
9118
        c_parser_parms_list_declarator): Initialize pending_sizes.
9119
        * c-decl.c (get_parm_info): Initialize pending_sizes.
9120
        (get_parm_info): Set pending_sizes.
9121
        (grokdeclarator): Call put_pending_sizes for parameters for
9122
        function definition only.
9123
 
9124
2006-09-07  Jason Merrill  
9125
 
9126
        PR middle-end/27724
9127
        * varasm.c (output_constant): Only strip actual no-op conversions.
9128
 
9129
        PR target/13685
9130
        * config/i386/i386.c (override_options): Use 128-bit
9131
        stack boundary if -msse.
9132
 
9133
2006-09-07  Eric Christopher  
9134
 
9135
        * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
9136
        comment.
9137
        * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
9138
        Redefine.
9139
 
9140
2006-09-07  Geoffrey Keating  
9141
 
9142
        * dwarf2out.c: Remove strange characters from comment above
9143
        dwarf2out_frame_debug_expr.
9144
 
9145
2006-09-07  Eric Christopher  
9146
 
9147
        * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
9148
        * config/darwin.h: ... to here.
9149
 
9150
2006-09-07  H.J. Lu  
9151
 
9152
        * config/i386/i386.c (x86_partial_flag_reg_stall): New.
9153
 
9154
        * config/i386/i386.h (x86_partial_flag_reg_stall): New.
9155
        (TARGET_PARTIAL_FLAG_REG_STALL): New.
9156
 
9157
        * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
9158
        TARGET_PARTIAL_FLAG_REG_STALL.
9159
        (*ashldi3_cconly_rex64): Likewise.
9160
        (*ashlsi3_cmp): Likewise.
9161
        (*ashlsi3_cconly): Likewise.
9162
        (*ashlsi3_cmp_zext): Likewise.
9163
        (*ashlhi3_cmp): Likewise.
9164
        (*ashlhi3_cconly): Likewise.
9165
        (*ashlqi3_cmp): Likewise.
9166
        (*ashlqi3_cconly): Likewise.
9167
        (*ashrdi3_cmp_rex64): Likewise.
9168
        (*ashrdi3_cconly_rex64): Likewise.
9169
        (*ashrsi3_cmp): Likewise.
9170
        (*ashrsi3_cconly): Likewise.
9171
        (*ashrsi3_cmp_zext): Likewise.
9172
        (*ashrhi3_cmp): Likewise.
9173
        (*ashrhi3_cconly): Likewise.
9174
        (*ashrqi3_cmp): Likewise.
9175
        (*ashrqi3_cconly): Likewise.
9176
        (*lshrdi3_cmp_rex64): Likewise.
9177
        (*lshrdi3_cconly_rex64): Likewise.
9178
        (*lshrsi3_cmp): Likewise.
9179
        (*lshrsi3_cconly): Likewise.
9180
        (*lshrsi3_cmp_zext): Likewise.
9181
        (*lshrhi3_cmp): Likewise.
9182
        (*lshrhi3_cconly): Likewise.
9183
        (*lshrqi2_cmp): Likewise.
9184
        (*lshrqi2_cconly): Likewise.
9185
 
9186
2006-09-07 Uros Bizjak 
9187
 
9188
        PR target/28946
9189
        * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
9190
        "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
9191
        "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
9192
        "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
9193
        "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
9194
        "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
9195
        "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
9196
        "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
9197
        "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
9198
        implement only CC setting effects of shift instructions.
9199
 
9200
2006-09-07  Martin Michlmayr  
9201
 
9202
        * doc/contrib.texi: Add myself.
9203
 
9204
2006-09-07  Andrew Pinski  
9205
 
9206
        PR middle-end/28862
9207
        * stor-layout.c (relayout_decl): Don't zero the alignment if it
9208
        was set by the user.
9209
 
9210
2006-09-07  Paolo Bonzini  
9211
 
9212
        PR target/27117
9213
        * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
9214
        (divsi_inv_m1): Use them.
9215
        (UNSPEC_DIV_INV_TABLE): New constant.
9216
 
9217
2006-09-06  James E Wilson  
9218
 
9219
        PR rtl-opt/27883
9220
        * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
9221
        then call count_or_remove_death_notes.
9222
 
9223
2006-09-06  Jason Merrill  
9224
 
9225
        PR c++/27371
9226
        * tree-inline.c (copy_result_decl_to_var): New fn.
9227
        (declare_return_variable): Use it.  Call declare_inline_vars here.
9228
        (expand_call_inline): Not here.
9229
 
9230
2006-09-06  Diego Novillo  
9231
 
9232
        * doc/contrib.texi: Update my entry.
9233
 
9234
2006-09-06  Nick Clifton  
9235
 
9236
        * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
9237
 
9238
2006-09-05  Andrew Pinski  
9239
 
9240
        PR tree-opt/28937
9241
        * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
9242
        (canonicalize_induction_variables): Likewise.
9243
        (tree_unroll_loops_completely): Likewise.
9244
        (tree_ssa_prefetch_arrays): Likewise.
9245
        (remove_empty_loops): Likewise.
9246
        * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
9247
        TODO_cleanup_cfg instead of directly calling
9248
        cleanup_tree_cfg_loop.
9249
        * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
9250
        Likewise.
9251
        (tree_unroll_loops_completely): Likewise.
9252
        (remove_empty_loops): Likewise.
9253
        * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
9254
        * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
9255
        of tree_ssa_unswitch_loops.
9256
        (tree_ssa_loop_ivcanon): Use the return value of
9257
        canonicalize_induction_variables.
9258
        (tree_ssa_empty_loop): Use the return value of
9259
        remove_empty_loops.
9260
        (tree_complete_unroll): Use the return value of
9261
        tree_unroll_loops_completely.
9262
        (tree_ssa_loop_prefetch): Use the return value of
9263
        tree_ssa_prefetch_arrays.
9264
        * passes.c (execute_todo): Before Cleanup CFG, set
9265
        updating_used_alone and after cleanup CFG, call
9266
        recalculate_used_alone.
9267
 
9268
2006-09-05  Andrew Pinski  
9269
 
9270
        PR tree-opt/28952
9271
        * tree-vect-transform.c (vectorizable_condition): Move the check
9272
        for the type after the check for simple condition.
9273
 
9274
2006-09-05  J"orn Rennecke  
9275
            Kaz Kojima  
9276
 
9277
        PR target/28764
9278
        * mode-switching.c (optimize_mode_switching): Make the destination
9279
        block of an abnormal edge have no anticipatable mode.  Don't
9280
        insert mode switching code at the end of the source block of
9281
        an abnormal edge.
9282
 
9283
2006-09-05  Paolo Bonzini  
9284
 
9285
        PR rtl-optimization/26847
9286
        * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
9287
        (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
9288
        (simplify_plus_minus): Count n_constants while filling ops.  Replace
9289
        qsort with insertion sort.  Before going through the array to simplify
9290
        pairs, sort it.  Delay early exit until after the first sort, exiting
9291
        only if no swaps occurred.  Simplify pairs in reversed order, without
9292
        special-casing the first iteration.  Pack ops after simplifying pairs.
9293
 
9294
2006-09-05  Anatoly Sokolov 
9295
 
9296
        * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
9297
        * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
9298
        * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
9299
        (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
9300
 
9301
2006-09-05  Richard Guenther  
9302
 
9303
        PR tree-optimization/28900
9304
        * tree-if-conv.c (find_phi_replacement_condition): Gimplify
9305
        compound conditional before creating COND_EXPR condition.
9306
 
9307
2006-09-05  Richard Guenther  
9308
 
9309
        PR tree-optimization/28905
9310
        * tree-vrp.c (fix_equivalence_set): Manually implement
9311
        !value_ranges_intersect_p to also handle symbolic ranges.
9312
 
9313
2006-09-05  Richard Guenther  
9314
 
9315
        PR middle-end/28935
9316
        * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
9317
        of a COND_EXPR.
9318
 
9319
2006-09-04  Eric Botcazou  
9320
 
9321
        PR rtl-optimization/27616
9322
        * cse.c (table_size): New static variable.
9323
        (new_basic_block): Initialize it to 0.
9324
        (remove_from_table): Decrement it.
9325
        (insert): Increment it.
9326
        (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
9327
        (fold_rtx_mem): Enforce a cap on the recursion depth.  Call
9328
        fold_rtx_mem_1 if under the cap.
9329
        (fold_rtx) : In the associative case, delay a little
9330
        the lookup of the equivalent expression and test for equality of the
9331
        first operand of the equivalent expression before in turn looking up
9332
        an equivalent constant for the second operand.
9333
 
9334
2006-09-02  Geoffrey Keating  
9335
 
9336
        Revert this change:
9337
        2006-03-17  Alexandre Oliva  
9338
        * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9339
        pointer, instead of assuming it is possible to derive the
9340
        correct args size from a call insn.
9341
 
9342
2006-09-02  Jakub Jelinek  
9343
 
9344
        PR middle-end/27567
9345
        * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
9346
        (fold_builtin_mempcpy): Rename to...
9347
        (fold_builtin_memory_op): ... this.  Optimize one element copy
9348
        into an assignment.
9349
        (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
9350
        functions.
9351
        (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
9352
        (expand_builtin_memcpy, expand_builtin_mempcpy,
9353
        expand_builtin_memmove): Likewise.  Use fold_builtin_memory_op.
9354
        (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
9355
        BUILT_IN_BCOPY.  Use fold_builtin_memory_op for
9356
        BUILT_IN_MEM{CPY,PCPY,MOVE}.
9357
 
9358
2006-09-01  DJ Delorie  
9359
 
9360
        * config/m32c/cond.md (cbranch4): Defer splitting until after reload.
9361
        (stzx_16): Likewise.
9362
        ("stzx_24_"): Likewise.
9363
        ("stzx_reversed_"): Likewise, and make mode-specific.
9364
        ("cmp_op"): New.
9365
        (cmp): Change to expander; just save operands.
9366
        (b_op): New.
9367
        (b): Change to expander, emit compare here.
9368
        (s_op): Change to use split and expander.
9369
        (s_24_op): Likewise.
9370
        (s_): New.
9371
        (s__24): New.
9372
        (movqicc__
9373
        (movhicc__): New.
9374
        (s): New.
9375
        (s_24): New.
9376
        * config/m32c/m32c.c (compare_op0, compare_op1): New.
9377
        (m32c_pend_compare): New.
9378
        (m32c_unpend_compare): New.
9379
        (m32c_expand_scc): New.
9380
        (m32c_expand_movcc): Emit the compare also.
9381
        * config/m32c/predicates.md (mra_nopp_operand): New.
9382
 
9383
2006-09-01  J"orn Rennecke  
9384
        Richard Guenther  
9385
        Adam Nemet  
9386
 
9387
        PR middle-end/27226
9388
        * builtins.c (get_pointer_alignment): Handle more forms
9389
        of base addresses that can be used to derive more precise
9390
        information about alignment.
9391
 
9392
2006-09-01  Jason Merrill  
9393
 
9394
        PR c++/28899
9395
        * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
9396
        want_value.
9397
 
9398
        * gimplify.c (voidify_wrapper_expr): Handle null type.
9399
 
9400
2006-09-01  Josh Conner  
9401
 
9402
        PR c++/25505
9403
        * tree-nrv.c (dest_safe_for_nrv_p): New function.
9404
        (execute_return_slot_opt): Use it.
9405
 
9406
2006-08-31  Josh Conner  
9407
 
9408
        PR c++/25505
9409
        * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
9410
        returning aggregates.
9411
 
9412
2006-08-31  Zdenek Dvorak 
9413
 
9414
        PR tree-optimization/28839
9415
        * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
9416
        blocks in that phi arguments appear.
9417
 
9418
2006-08-31  Roger Sayle  
9419
 
9420
        PR other/22313
9421
        * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
9422
        NULL, otherwise use an advance_loc4 to adjust relative to the
9423
        current label.
9424
        (output_cfi) : Update the current label.
9425
        (dwarf2out_switch_text_section): Reset the current label to avoid
9426
        using advance_loc4 over section boundaries.
9427
 
9428
2006-08-31  Andreas Krebbel  
9429
 
9430
        PR target/24367
9431
        * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
9432
        r12 + SYMBOLIC_CONST.
9433
 
9434
2006-08-30  Richard Guenther  
9435
 
9436
        * Makefile.in (see.o): Add $(EXPR_H) dependency.
9437
 
9438
2006-08-30  Zdenek Dvorak 
9439
 
9440
        PR rtl-optimization/27735
9441
        * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
9442
        Add new argument to keep track of whether an irreducible region
9443
        was affected.  All callers changed.
9444
        (fix_irreducible_loops): Removed.
9445
        (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
9446
        flags were invalidated.
9447
 
9448
2006-08-29  H.J. Lu  
9449
 
9450
        * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
9451
        instead of SF operands.
9452
        (*fop_df_comm_sse): Likewise.
9453
        (*fop_df_comm_i387): Likewise.
9454
        (*fop_df_1_mixed): Likewise.
9455
        (*fop_df_1_sse): Likewise.
9456
 
9457
2006-08-29  Andrew Pinski  
9458
            J"orn Rennecke  
9459
 
9460
        PR tree-optimization/17506
9461
        * tree-ssa.c (warn_uninit): If warning about a location outside of
9462
        the current function, note where the variable was declared.
9463
 
9464
2006-08-28  Zdenek Dvorak 
9465
 
9466
        PR tree-optimization/28411
9467
        * double-int.c (double_int_div): Use double_int_divmod.
9468
        (double_int_divmod, double_int_sdivmod, double_int_udivmod,
9469
        double_int_mod, double_int_smod, double_int_umod): New functions.
9470
        * double-int.h (double_int_divmod, double_int_sdivmod,
9471
        double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
9472
        Declare.
9473
        * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
9474
        in double_int.
9475
        (get_computation_aff, get_computation_cost_at): Handle double_int
9476
        return type of constant_multiple_of.
9477
 
9478
2006-08-28  Kazu Hirata  
9479
 
9480
        PR middle-end/26632
9481
        * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
9482
        an implicit conversion.
9483
 
9484
2006-08-28  Prafulla Thakare  
9485
 
9486
        * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
9487
 
9488
2006-08-27  Roger Sayle  
9489
 
9490
        * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
9491
        x87 instructions.
9492
 
9493
2006-08-27  Kazu Hirata  
9494
 
9495
        * config/i386/crtfastmath.c: Fix a comment typo.
9496
 
9497
2006-08-26  Roger Sayle  
9498
 
9499
        * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
9500
        temporary visit flags on CASE_LABEL_EXPRs.
9501
        * c-common.c (match_case_to_enum): Add function comment.  Avoid
9502
        O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
9503
        (c_do_switch_warnings):  Reorganize to record CASE_LOW_SEEN and
9504
        CASE_HIGH_SEEN for enumerated types.  If the switch expression is
9505
        a constant, only warn if that constant value isn't handled.
9506
 
9507
2006-08-26  Joseph S. Myers  
9508
 
9509
        PR c++/24009
9510
        * input.h (restore_input_file_stack): Declare.
9511
        (INPUT_FILE_STACK_BITS): Define.
9512
        * toplev.c (fs_p, input_file_stack_history,
9513
        input_file_stack_restored, restore_input_file_stack): New.
9514
        (push_srcloc, pop_srcloc): Check for input_file_stack_tick
9515
        overflowing INPUT_FILE_STACK_BITS bits.  Save new state of stack.
9516
        (pop_srcloc): Don't free old state of stack.
9517
 
9518
2006-08-26  David Edelsohn  
9519
 
9520
        PR target/27544
9521
        * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
9522
        (PowerPC Type Attributes): New.
9523
 
9524
2006-08-26  Bob Wilson  
9525
 
9526
        * config/xtensa/xtensa.c (function_arg_boundary): New.
9527
        (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
9528
        STACK_BOUNDARY.
9529
        * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
9530
        function_arg_boundary function that limits alignment to STACK_BOUNDARY.
9531
 
9532
2006-08-26  Jakub Jelinek  
9533
 
9534
        PR middle-end/28683
9535
        * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
9536
        3 following insns.
9537
 
9538
2006-08-25  Volker Reichelt  
9539
 
9540
        * flow.c (verify_wide_reg): Use internal_error for consistency failure.
9541
        (verify_local_live_at_start): Likewise.
9542
 
9543
2006-08-25  Joseph S. Myers  
9544
 
9545
        PR c/27893
9546
        * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
9547
        omp_add_variable): Treat sizes as variable whenever not
9548
        INTEGER_CST.
9549
 
9550
2006-08-26  Richard Guenther  
9551
 
9552
        PR middle-end/28814
9553
        * fold-const.c (fold_binary): Fold temporary to correct
9554
        type before constructing new comparison.
9555
 
9556
2006-08-25  Fariborz Jahanian  
9557
 
9558
        PR c/28418
9559
        * c-gimplify.c (gimplify_compound_literal_expr): Don't add
9560
        variable again if DECL_SEEN_IN_BIND_EXPR_P.
9561
 
9562
2006-08-25  Joseph S. Myers  
9563
 
9564
        PR c/28299
9565
        * c-decl.c (start_function): Don't try to process prototype
9566
        information from old declaration that isn't a function.
9567
 
9568
2006-08-25  Jan Hubicka  
9569
 
9570
        PR target/28621
9571
        * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
9572
 
9573
2006-08-25  Alan Modra  
9574
 
9575
        PR target/27075
9576
        * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
9577
        for 8 byte objects.
9578
 
9579
2006-08-25  J"orn Rennecke  
9580
 
9581
        PR tree-optimization/16876
9582
        * c-typeck.c (c_convert_parm_for_inlining): Don't take early
9583
        exit if PARM doesn't match VALUE.
9584
 
9585
2006-08-25  Bob Wilson  
9586
 
9587
        * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
9588
        literal_prefix directive.
9589
        (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
9590
        * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
9591
        * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
9592
 
9593
2006-08-25  David Edelsohn  
9594
 
9595
        PR target/28753
9596
        * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
9597
        predicate to general_operand.  Add 0->y and I->r alternatives.
9598
 
9599
2006-08-25  Kazu Hirata  
9600
 
9601
        * doc/tm.texi: Fix a typo.
9602
        * predict.c: Fix comment typos.
9603
 
9604
2006-08-25  Nick Clifton  
9605
 
9606
        * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
9607
        assertions of "cpu" and "machine".
9608
 
9609
2006-08-24  Andrew Pinski  
9610
 
9611
        PR tree-opt/28807
9612
        * tree-ssa-operands.c (access_can_touch_variable): Don't say
9613
        the access through a base which has an alias set of 0 cannot
9614
        touch the variable.
9615
 
9616
2006-08-24  Bill Wendling  
9617
 
9618
        * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
9619
 
9620
2006-08-24  Jan Hubicka  
9621
 
9622
        * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
9623
 
9624
2006-08-24  Jan Hubicka  
9625
 
9626
        PR debug/26881
9627
        * cgraph.c: Fix comments.
9628
        (cgraph_varpool_mark_needed_node): Mark only variables not already
9629
        output to file.
9630
        * cgraphunit.c: Update comments; include gt-cgraphunit.h
9631
        (cgraph_varpool_assembled_nodes_queue): New static variable.
9632
        (cgraph_varpool_assemble_decl): Record output decls for debug out code.
9633
        (cgraph_varpool_output_debug_info): New function.
9634
        (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
9635
        * Makefile.in: Add gt-cgraphunit.h
9636
 
9637
2006-08-24  Jan Hubicka  
9638
 
9639
        * predict.c (probability_reliable_p): New predicate.
9640
        (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
9641
        (predict_loops): Do not predict loop exit with less than 2%
9642
        probability.
9643
        * basic-block.h (edge_probability_reliable_p,
9644
        br_prob_note_reliable_p): Declare.
9645
        * ia64.h (ia64_print_operand): Do not disable on-chip branch
9646
        prediction when static predictor is not reliable.
9647
        * rs6000.c (output_cbranch): Likewise.
9648
 
9649
2006-08-23  Stuart Hastings  
9650
 
9651
        PR 28825
9652
        * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
9653
        ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
9654
 
9655
2006-08-21  Geoffrey Keating  
9656
 
9657
        PR debug/28692
9658
        * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
9659
        complex values, nor for generic vector values.
9660
 
9661
2006-08-22  Richard Guenther  
9662
 
9663
        PR middle-end/28776
9664
        * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
9665
        parameter.  Convert arguments to arithmetic expression to the
9666
        chrecs type.
9667
        (analyze_scalar_evolution_1): Adjust caller.
9668
 
9669
2006-08-22  Jan Hubicka  
9670
 
9671
        Patch by Paolo Bonzini
9672
        * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
9673
        my previous patch.
9674
 
9675
2006-08-22  Daniel Berlin  
9676
 
9677
        PR tree-optimization/28003
9678
        * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
9679
        before grouping aliases.
9680
 
9681
2006-08-22  Roger Sayle  
9682
 
9683
        * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
9684
        if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
9685
 
9686
2006-08-21  Jason Merrill  
9687
 
9688
        PR c++/27115
9689
        * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
9690
        wrapper.  Loop to handle nested wrappers.
9691
        (gimplify_bind_expr): Remove temp parameter.
9692
        (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
9693
        and STATEMENT_LIST on the rhs.
9694
        (gimplify_statement_list): Voidify the STATEMENT_LIST.
9695
        (gimplify_expr): Pass pre_p to gimplify_statement_list.
9696
        (gimplify_target_expr): Remove special BIND_EXPR handling.
9697
 
9698
2006-08-21  J"orn Rennecke  
9699
 
9700
        * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
9701
        #if !__SHMEDIA__ .
9702
 
9703
2006-08-21  Olivier Hainque  
9704
 
9705
        * gimplify.c (gimplify_init_constructor) :
9706
        Arrange for the temporary captures of components overlapping the lhs
9707
        to happen before the lhs is possibly cleared.
9708
 
9709
2006-08-21  Mark Shinwell  
9710
 
9711
        * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
9712
        necessary places to pass the correct "number of registers" values
9713
        to _Unwind_VRS_Pop.
9714
 
9715
2006-08-20  Jan Hubicka  
9716
 
9717
        * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
9718
        (create_name_tags): Instead of quadratic checking use hashtable.
9719
        * bitmap.h: Include hashtab.h.
9720
        (bitmap_hash): Declare.
9721
        * bitmap.c (bitmap_hash): New function.
9722
 
9723
2006-08-20  Jan Hubicka  
9724
 
9725
        PR rtl-optimization/28071
9726
        * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
9727
        twice.
9728
        * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
9729
        * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
9730
        (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
9731
        cgraph_decide_inlining_incrementally): Update use of
9732
        cgraph_check_inline_limits.
9733
        * cgraph.c (edge_hash, edge_eq): New function.
9734
        (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
9735
        cgraph_edge_remove_caller, cgraph_node_remove_callees,
9736
        cgraph_remove_node): Maintain call site hash.
9737
        * cgraph.h (struct cgraph_node): Add call_site_hash.
9738
        (cgraph_set_call_stmt): New function.
9739
 
9740
2006-08-20  Jan Hubicka  
9741
 
9742
        PR rtl-optimization/28071
9743
        * reload1.c (reg_has_output_reload): Turn into regset.
9744
        (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
9745
        choose_reload_regs, emit_reload_insns): Update to new
9746
        reg_has_output_reload.
9747
 
9748
2006-08-20  Jan Hubicka  
9749
 
9750
        PR middle-end/28779
9751
        * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
9752
        function body sizes.
9753
        * cgraphunit.c (cgraph_analyze_function): Don't do so.
9754
 
9755
2006-08-20  Danny Smith  
9756
 
9757
        PR target/28648 c:
9758
        * tree.c (handle_dll_attribute): Return early if not a
9759
        var or function decl.
9760
 
9761
2006-08-18  Joseph Myers  
9762
 
9763
        PR target/27565
9764
        * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
9765
        alignment of SPE vector types.
9766
 
9767
2006-08-18  Christophe Jaillet  
9768
 
9769
        * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
9770
 
9771
2006-08-17  Jakub Jelinek  
9772
 
9773
        PR c/28744
9774
        * cgraph.h (struct cgraph_node): Remove externally_visible
9775
        bitfield.
9776
        * cgraphunit.c (process_function_and_variable_attributes): Set
9777
        local.externally_visible rather than externally_visible.
9778
 
9779
        PR c/28744
9780
        * c-common.c (handle_externally_visible_attribute): First look
9781
        at TREE_CODE and only if it is function or var decl, check for
9782
        non-public objects.  Don't warn for DECL_EXTERNAL.
9783
        * cgraphunit.c (process_function_and_variable_attributes): Warn
9784
        if externally_visible attribute is used on non-public object.
9785
 
9786
2006-08-17  Jan Hubicka  
9787
 
9788
        PR tree-optimization/27865
9789
        * reload1.c (forget_marked_reloads): New function.
9790
        (forget_old_reloads_1): When data are passed, just mark the registers
9791
        for later removal.
9792
        (reload_as_needed): Use the new mechanizm.
9793
 
9794
2006-08-17  Alexandre Oliva  
9795
 
9796
        PR target/28146
9797
        * reload.h (reg_equiv_alt_mem_list): New declaration.
9798
        * reload1.c (reg_equiv_alt_mem_list): New definition.
9799
        (reload): Initialize it and release it.
9800
        (delete_output_reload): Use it.
9801
        * reload.c (push_reg_equiv_alt_mem): New function.
9802
        (find_reloads_toplev): Call it.
9803
        (find_reloads_address, find_reloads_address_1): Likewise.
9804
        (find_reloads_subreg_address): Likewise.
9805
 
9806
2006-08-17  Maxim Kuvyrkov  
9807
 
9808
        PR rtl-optimization/28489
9809
        * sched-ebb.c (begin_schedule_ready): Create basic block
9810
        at the right place.
9811
        (advance_target_bb): Skip empty blocks.
9812
        * haifa-sched.c (bb_note): Make global.
9813
        * sched-int.h (bb_note): Add prototype.
9814
 
9815
2006-08-16  Zdenek Dvorak 
9816
 
9817
        PR tree-optimization/27865
9818
        * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
9819
        for pointer types.
9820
        * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
9821
        fold_used_pointer, pointer_used_p): New functions.
9822
        (analyze_scalar_evolution_1): Use fold_used_pointer.
9823
        * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
9824
        * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
9825
        for pointers.
9826
 
9827
2006-08-17  Paolo Bonzini 
9828
 
9829
        PR c++/28573
9830
        * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
9831
        or the INTEGER_CST.  Fail on a CALL_EXPR.
9832
        (fold_offsetof): Pass new argument to fold_offsetof_1.
9833
        * c-parser.c (c_parser_postfix_expression): Don't include a NULL
9834
        operand into an INDIRECT_REF.
9835
        * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
9836
 
9837
2006-08-16  Zdenek Dvorak 
9838
 
9839
        PR gcov/profile/26570
9840
        * value-prof.c (static_values): Removed.
9841
        (tree_find_values_to_profile): Do not set static_values.
9842
        (find_values_to_profile): Do not free static_values.
9843
        * profile.c (instrument_values): Do not free the values.
9844
        (branch_prob): Free the values.
9845
 
9846
2006-08-16  Naveen.H.S  
9847
 
9848
        * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
9849
 
9850
2006-08-16  Joseph S. Myers  
9851
 
9852
        PR c/27697
9853
        * c-typeck.c (build_component_ref): Combine qualifiers of
9854
        structure or union and field.
9855
 
9856
2006-08-16  Zdenek Dvorak 
9857
 
9858
        PR rtl-optimization/28071
9859
        * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
9860
        * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
9861
        * tree-into-ssa.c (struct dom_dfsnum): New.
9862
        (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
9863
        functions.
9864
        (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
9865
        compute_global_livein.
9866
        (prepare_block_for_update, prepare_use_sites_for): Mark the uses
9867
        in phi nodes in the correct blocks.
9868
 
9869
2006-08-16  Zdenek Dvorak 
9870
 
9871
        PR tree-optimization/28364
9872
        * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
9873
        correctly.
9874
        (fold_affine_expr): New function.
9875
        (may_eliminate_iv): Use fold_affine_expr.
9876
 
9877
2006-08-16  Volker Reichelt  
9878
 
9879
        PR c/27489
9880
        * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
9881
        Clean up.
9882
 
9883
2006-08-16  Mike Stump  
9884
 
9885
        * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
9886
        * doc/cppopts.texi (-MD): Likewise.
9887
 
9888
2006-08-15  Danny Smith  
9889
 
9890
        PR c/28287
9891
        * c-common.c (handle_weak_attribute): Ignore and warn if
9892
        not a FUNCTION_ or VAR_DECL.
9893
 
9894
2006-07-15  Mike Stump  
9895
 
9896
        PR c/28280
9897
        * c-parser.c (c_parser_typeof_specifier): Don't use
9898
        c_finish_expr_stmt, open code desired semantics instead.
9899
 
9900
2006-08-15  Nick Clifton  
9901
 
9902
        * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
9903
        fragment to tmake_file only if threads are enabled.
9904
        * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
9905
        * config/i386/t-gthr-win32: New file. ... here.
9906
 
9907
2006-08-15  Volker Reichelt  
9908
 
9909
        PR c/28649
9910
        * c-parser.c (c_parser_compound_statement_nostart): Reset
9911
        parser->error after each statement.
9912
 
9913
2006-08-15  Jakub Jelinek  
9914
 
9915
        PR middle-end/28713
9916
        * omp-low.c (lower_omp_parallel): Convert t to
9917
        receiver_decl's type.
9918
        (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
9919
        source before comparison.
9920
 
9921
        PR middle-end/28724
9922
        * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
9923
        to itype in assignment to oldival2.
9924
 
9925
2006-07-14  Andrew Pinski  
9926
 
9927
        PR c/27490
9928
        PR c/27489
9929
        * c-typeck.c (build_compound_expr): If the second expression
9930
        is an error mark, then just return an error mark instead of
9931
        creating a COMPOUND_EXPR.
9932
 
9933
2006-07-14  Mike Stump  
9934
 
9935
        * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
9936
 
9937
2006-08-14  Kazu Hirata  
9938
 
9939
        * c-decl.c, var-tracking.c: Fix comment typos.
9940
 
9941
2006-08-14  Richard Sandiford  
9942
 
9943
        PR rtl-optimization/28634
9944
        * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
9945
        for floating-point modes unless flag_unsafe_math_optimizations.
9946
 
9947
2006-08-13  Alexandre Oliva  
9948
            Andrew Pinski  
9949
 
9950
        PR c/27184
9951
        * tree.c (build_array_type): Unify array types with
9952
        unspecified index_type.
9953
        * c-decl.c (grokdeclarator): Make sure we do not modify a
9954
        unified incomplete array type.
9955
        * c-typeck.c (store_init_value): Create distinct type before
9956
        filling in the index type in an initializer from a compound
9957
        literal.
9958
 
9959
        * c-decl.c (grokdeclarator): Remove code where we copy the
9960
        array type over.
9961
 
9962
2006-08-13  Andrew Pinski  
9963
 
9964
        * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
9965
        into account for TODO_dump_cgraph.
9966
        (TODO_update_ssa_no_phi): Likewise.
9967
        (TODO_update_ssa_full_phi): Likewise.
9968
        (TODO_update_ssa_only_virtuals): Likewise.
9969
        (TODO_remove_unused_locals): Likewise.
9970
        (TODO_set_props): Likewise.
9971
        (TODO_update_stmt_usage): Likewise.
9972
 
9973
2006-08-13  Dirk Mueller  
9974
 
9975
        * c-common.c (strict_aliasing_warning): Fix formatting.
9976
 
9977
2006-08-13  Matthias Klose  
9978
 
9979
        * doc/invoke.texi: Fix spelling errors.
9980
 
9981
2006-08-11  Eric Botcazou  
9982
 
9983
        PR rtl-optimization/23454
9984
        * reorg.c (relax_delay_slots): Update comment.
9985
 
9986
2006-08-11  Richard Guenther  
9987
 
9988
        PR middle-end/28651
9989
        * simplify-rtx.c (simplify_const_relational_operation):
9990
        Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
9991
        codes.
9992
 
9993
2006-08-10  Eric Botcazou  
9994
 
9995
        * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
9996
        TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
9997
 
9998
2006-08-10  Paul Brook  
9999
 
10000
        * final.c (final_scan_insn): Clear current_insn_predicate before
10001
        outputting inline asm.
10002
 
10003
2006-08-10  Dorit Nuzman  
10004
 
10005
        PR tree-optimization/26197
10006
        * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
10007
        get_ref_base_and_extent and overlap_subvar to add only relevant
10008
        subvars as may-aliases.
10009
        (add_may_alias_for_new_tag): New function, factored out of
10010
        new_type_alias.
10011
        * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
10012
        with additional argument.
10013
        * tree-flow.h (new_type_alias): Takes additional argument.
10014
 
10015
2006-08-09  Nathan Sidwell  
10016
 
10017
        * gcov.c (no_data_file): New flag.
10018
        (read_count_file): Set it if data file not present.  Assume counts
10019
        zero if not found.
10020
        (output_lines): Don't name the data file, if there wasn't one.
10021
 
10022
2006-08-09  Eric Botcazou  
10023
 
10024
        * config/rs6000/rs6000.c (print_operand) : Fix comment and adjust.
10025
        (rs6000_generate_compare): Tweak comments.
10026
        * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
10027
 
10028
2006-08-09  Alexandre Oliva  
10029
 
10030
        * var-tracking.c (enum micro_operation_type): Add MO_COPY.
10031
        (var_debug_decl): New function.
10032
        (var_reg_set): Follow debug decl link.  Add location even if
10033
        reg is already known to hold some other variable.
10034
        (var_mem_set): Follow debug decl link.
10035
        (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
10036
        decl link.  Delete other known locations of the variable part
10037
        if requested.
10038
        (var_reg_delete, var_mem_delete): Delete other known locations
10039
        of the variable part if requested.
10040
        (same_variable_part_p): New function.
10041
        (add_stores): Select MO_COPY when appropriate.
10042
        (vt_initialize): Handle it.
10043
        (compute_bb_dataflow, emit_notes_in_bb): Likewise.  Delete
10044
        known locations for MO_SET and MO_CLOBBER.
10045
        (find_variable_location_part): New function.
10046
        (set_variable_part, delete_variable_part): Use it.
10047
        (clobber_variable_part): New function.
10048
        * dwarf2out.c (dwarf2out_var_location): Do not follow debug
10049
        decl link.
10050
 
10051
2006-08-07  Victor Kaplansky 
10052
 
10053
        PR tree-optimization/26969
10054
        * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
10055
        with an empty list of PHIs.
10056
 
10057
2006-08-06  Paolo Bonzini  
10058
 
10059
        PR target/27827
10060
 
10061
        * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
10062
        instructions.
10063
 
10064
2006-08-06  Andreas Schwab  
10065
 
10066
        * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
10067
        string.  Whitespace and comment fixup.
10068
 
10069
2006-08-05  Volker Reichelt  
10070
 
10071
        PR c/28502
10072
        * c-decl.c (validate_proto_after_old_defn): Return false on invalid
10073
        argument.
10074
 
10075
        PR c/27721
10076
        * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
10077
 
10078
        PR c/28136
10079
        * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
10080
 
10081
2006-08-04  Jan Hubicka  
10082
 
10083
        PR target/26655
10084
        PR target/28270
10085
        * reload.c (push_reload): Patch out the mismatching instruction;
10086
        return early.
10087
        (find_reload): Bail out if the instruction was patched out.
10088
 
10089
2006-08-04  Jan Hubicka  
10090
 
10091
        PR tree-optimization/24888
10092
        * tree-inline.c (expand_call_inline): Do not re-record variables.
10093
        (declare_inline_vars): Add variable to unexpanded_var_list.
10094
 
10095
2006-08-04  John David Anglin  
10096
            Roger Sayle  
10097
 
10098
        PR rtl-optimization/26244
10099
        * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
10100
        inner_const are negative or greater than or equal to the bitsize of
10101
        MODE.  If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
10102
        Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
10103
        Simplify complicated if statement.  For ASHIFT and LSHIFTRT, return
10104
        CONST0_RTX (mode) when the new shift count is greater than or equal to
10105
        to the bitsize of the object being shifted and XEXP (y, 0) has no side
10106
        effects.
10107
 
10108
2006-08-04  Kazu Hirata  
10109
 
10110
        * tree-cfg.c: Fix a comment typo.
10111
 
10112
2006-08-03  Mark Mitchell  
10113
 
10114
        PR c++/28148
10115
        * varasm.c (output_constant): Give the front end another chance to
10116
        expand constants, after stripping NOPs.
10117
 
10118
2006-08-03  Jan Hubicka  
10119
 
10120
        * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
10121
        implementation.
10122
 
10123
2006-08-03  Dorit Nuzman  
10124
 
10125
        PR tree-optimization/27770
10126
        * tree-vectorizer.h (get_vectype_for_scalar_type): Function
10127
        declaration removed (moved to tree-flow.h).
10128
        (vect_can_force_dr_alignment_p): Likewise.
10129
        * tree-flow.h (get_vectype_for_scalar_type): New function declaration
10130
        (moved from tree-vectorizer.h).
10131
        (vect_can_force_dr_alignment_p): Likewise.
10132
        * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
10133
        from outside the vectorizer - in particular from cgraph stage.
10134
        * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
10135
        the alignment of global arrays when -fsection-anchors is enabled.
10136
        * cgraphunit.c (cgraph_increase_alignment): New function.
10137
        (cgraph_optimize): Call cgraph_increase_alignment.
10138
 
10139
2006-08-03  David Edelsohn  
10140
 
10141
        PR target/27566
10142
        * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
10143
        not reload a SPE symbol_ref into a lo_sum address.
10144
 
10145
2006-08-02  Daniel Jacobowitz  
10146
 
10147
        PR debug/28063
10148
        * dwarf2out.c (prune_unused_types_prune): Move call to
10149
        prune_unused_types_update_strings to cover the parent DIE also.
10150
 
10151
2006-08-02  Jan Hubicka  
10152
 
10153
        PR gcov/profile/28480
10154
        * tree-cfg.c (change_bb_for_stmt): New function.
10155
        (tree_merge_blocks, tree_split_blocks): Use it.
10156
 
10157
2006-08-01  Volker Reichelt  
10158
 
10159
        PR c++/28250
10160
        PR c++/28257
10161
        PR c++/28259
10162
        PR c++/28267
10163
        * toplev.c (compile_file): Return early on errorcount or sorrycount.
10164
        * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
10165
        (cgraph_optimize): Likewise.
10166
 
10167
2006-08-01  Stuart Hastings  
10168
 
10169
        * rtl.h (UINTVAL) New.
10170
        * config/rs6000/rs6000.c (SMALL_INT) Use it.
10171
        * testsuite/gcc.dg/20060801-1.c: New.
10172
 
10173
2006-08-01  Daniel Jacobowitz  
10174
 
10175
        PR debug/23336
10176
        * c-typeck.c (build_external_type): Mark used enum types.
10177
        * dwarf2out.c (dwarf2out_abstract_function): Save and restore
10178
        cfun also.
10179
        (gen_subprogram_die): Whitespace fix.
10180
 
10181
2006-08-01  Jan Hubicka  
10182
 
10183
        * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
10184
        bitmap when not needed.
10185
        * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
10186
        bitmaps.
10187
 
10188
2006-08-01  Dirk Mueller  
10189
 
10190
        * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
10191
 
10192
2006-07-31  Volker Reichelt  
10193
 
10194
        * Makefile.in: Revert part of previous patch:
10195
        Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
10196
        and REGS_H.
10197
 
10198
2006-07-30  Eric Christopher  
10199
 
10200
        PR target/27543
10201
        * doc/extend.texi (i386 Variable Attributes): Add anchor.
10202
        (PowerPC Variable Attributes): New section.
10203
 
10204
2006-07-30  Atsushi Nemoto  
10205
 
10206
        PR target/28126 (partial fix)
10207
        * config/mips/mips.md (tls_get_tp_): Set can_delay to no.
10208
 
10209
2006-07-28  Jan Hubicka  
10210
 
10211
        PR rtl-optimization/28071
10212
        * cfgrtl.c (rtl_delete_block): Free regsets.
10213
        * flow.c (allocate_bb_life_data): Re-use regsets if available.
10214
 
10215
2006-07-28  Volker Reichelt  
10216
 
10217
        * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
10218
        and variables used in dependencies.
10219
 
10220
2006-07-27  Arjan van de Ven 
10221
 
10222
        * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
10223
        %fs for -mcmodel=kernel.
10224
        (stack_tls_protect_test_di): Likewise.
10225
 
10226
2006-07-27  Carlos O'Donell  
10227
 
10228
        * Makefile.in: Use mkinstalldirs.
10229
 
10230
2006-07-27  H.J. Lu  
10231
 
10232
        PR driver/28437
10233
        * opts-common.c (prune_options): Skip joined switches.
10234
 
10235
2006-07-27  Jan Hubicka  
10236
 
10237
        PR rtl-optimization/28071
10238
        * cselib.c (cselib_process_insn): Don't remove useless values too
10239
        often for very large hashtables.
10240
 
10241
2006-07-27  Jan Hubicka  
10242
 
10243
        PR rtl-optimization/28071
10244
        * global.c (greg_obstack): New obstack.
10245
        (allocate_bb_info): Use it.
10246
        (free_bb_info): Likewise.
10247
        (modify_reg_pav): Likewise.
10248
 
10249
2006-07-27  Roger Sayle  
10250
 
10251
        * builtins.c (fold_fixed_mathfn): When long and long long are the
10252
        same size, canonicalize llceil*, llfloor*, llround* and llrint*
10253
        functions to their lceil*, lfloor*, lround* and lrint* forms.
10254
 
10255
2006-07-27  Kazuhiro Inaoka  
10256
 
10257
        PR gcc/28508
10258
        * config/m32r/m32r.md (branch_insn): Reduce pc range for short
10259
        branch.
10260
        (rev_branch_insn): Likewise.
10261
 
10262
2006-07-27  Jan Hubicka  
10263
 
10264
        PR rtl-optimization/28071
10265
        * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
10266
        (reg_set_in_bb, max_reg_computed): New static variables.
10267
        (regmove_optimize): Free the new array.
10268
        (fixup_match_1): Update call of reg_is_remote_constant_p.
10269
 
10270
2006-07-26  Jan Hubicka  
10271
 
10272
        PR tree-optimization/27882
10273
        * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
10274
        and decl fields.
10275
        * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
10276
        next pointer
10277
        (cgraph_analyze_compilation_unit): Likewise.
10278
        * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
10279
        * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
10280
        (cgraph_early_inlinine): Make order garbage collected.
10281
        * Makefile.in (gt-ipa-inline): New garbagecollected file.
10282
 
10283
2006-07-26  Daniel Jacobowitz  
10284
 
10285
        * dbxout.c (output_types_sort): Add a comment.
10286
        (output_used_types): Free the VEC.
10287
 
10288
2006-07-26  Daniel Jacobowitz  
10289
 
10290
        * function.c (reorder_fix_fragments): Delete.
10291
        (reorder_blocks): Don't call it.
10292
        (reorder_blocks_1): Put all subblocks under the origin block.
10293
 
10294
2006-07-26  Zdenek Dvorak 
10295
 
10296
        PR rtl-optimization/27907
10297
        * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
10298
        FLOAT_TRUNCATE.
10299
 
10300
2006-07-25  Roger Sayle  
10301
 
10302
        PR middle-end/28473
10303
        * convert.c (convert_to_integer): When transforming (T)foo(x) into
10304
        bar(x) check that bar's result type can represent all the values of T.
10305
 
10306
2006-07-25  Zdenek Dvorak 
10307
 
10308
        * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
10309
 
10310
2006-07-25  Nick Clifton  
10311
 
10312
        * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
10313
        size_lookup[] array.
10314
        (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
10315
        (ggc_pch_count_object): Likewise.
10316
        (ggc_pch_alloc_object): Likewise.
10317
        (ggc_pch_write_object): Likewise.
10318
        (init_ggc): Do not attempt to initialize entries in the
10319
        size_lookup[] array for objects whose size is greater than than
10320
        the length of the array.
10321
 
10322
2006-07-25  Daniel Jacobowitz  
10323
 
10324
        * dbxout.c (output_used_types_helper): Push queued types
10325
        on a VEC.
10326
        (output_types_sort): New.
10327
        (output_used_types): Collect used types on a VEC and sort them
10328
        before emission.
10329
 
10330
2006-07-24  Richard Guenther  
10331
 
10332
        PR middle-end/28463
10333
        * cgraph.c (cgraph_remove_node): Do not check if dumps
10334
        are enabled.
10335
        * cgraphunit.c (cgraph_optimize): Likewise.
10336
 
10337
2006-07-24  Jan Hubicka  
10338
 
10339
        PR rtl-optimization/28071
10340
        * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
10341
        * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
10342
        splitting before first stmt.
10343
 
10344
2006-07-24  Jan Hubicka  
10345
 
10346
        PR rtl-optimization/28071
10347
        * ipa-inline.c (update_caller_keys): Remove edges that
10348
        are no longer inline candidates.
10349
 
10350
2006-07-23  Daniel Jacobowitz  
10351
 
10352
        PR debug/27473
10353
        * dbxout.c (output_used_types_helper, output_used_types): New.
10354
        (dbxout_symbol): Call output_used_types.
10355
 
10356
2006-07-23  Jan Hubicka  
10357
 
10358
        PR c/25795
10359
        PR c++/27369
10360
        * cgraph.c (cgraph_varpool_nodes): Export.
10361
        (decide_is_variable_needed): Ignored "used" attribute in
10362
        unit-at-a-time mode.
10363
        * cgraph.h (cgraph_varpool_nodes): Declare.
10364
        * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
10365
        unit-at-a-time mode.
10366
 
10367
2006-07-23  Roger Sayle  
10368
 
10369
        PR target/28247
10370
        * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
10371
        mutex_destroy even when !_LIBOOBJC.  Remove duplicate prototype of
10372
        the __gthrw form of thr_keycreate.
10373
        (__gthread_key_delete): Silence the unused argument warning.
10374
 
10375
2006-07-23  Steven Bosscher  
10376
 
10377
        PR debug/25468
10378
        * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
10379
        Cache the last found '\0' marker to avoid quadratic behavior.
10380
 
10381
2006-07-23  Jan Hubicka  
10382
 
10383
        * i386.md (subsi_3_zext): Fix output template.
10384
 
10385
2006-07-21  Mike Stump  
10386
 
10387
        * doc/invoke.texi (C++ Dialect Options): Note that
10388
        -fvisibility-inlines-hidden doesn't affect explicitly
10389
        instantiationed inline methods.
10390
 
10391
2006-07-20  Roger Sayle  
10392
 
10393
        * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
10394
        if the target assembler is GNU binutils' gas.
10395
        * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
10396
        whether to pass GNU gas or native as command line options.
10397
 
10398
2006-07-20  Jason Merrill  
10399
 
10400
        * tree.c (remove_attribute): New fn.
10401
        * tree.h: Declare it.
10402
 
10403
2006-07-20  Paul Brook  
10404
 
10405
        PR 27363
10406
        * cse.c (cse_insn): Add destination addresses to hash table. Check if
10407
        they are invalidated by this instruction.
10408
 
10409
2006-07-21  Danny Smith  
10410
 
10411
        PR target/28427
10412
        * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
10413
 
10414
2006-07-20  Eric Christopher  
10415
 
10416
        PR target/26877
10417
        * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
10418
 
10419
2006-07-19  Eric Christopher  
10420
 
10421
        * config/t-slibgcc-darwin (stmp-lipo): Remove.
10422
        Rewrite dependencies for libgcc_s.1.dylib.
10423
 
10424
2006-07-19  Jakub Jelinek  
10425
 
10426
        * except.c (duplicate_eh_regions_1): Clear next_peer.
10427
 
10428
2006-07-17  Nathan Sidwell  
10429
 
10430
        * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
10431
        -mlongcall does not guarantee all calls will be long.
10432
        * doc/extend.texi (long_call/short_call): Document that longcall
10433
        does not guarantee a long call will be used.
10434
        (longcall/shortcall): Likewise.
10435
 
10436
2006-07-18  Roger Sayle  
10437
 
10438
        PR middle-end/28283
10439
        * expmed.c (expand_shift): Additionally check that the shift_cost
10440
        is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
10441
        before implementing a LSHIFT_EXPR as a sequence of additions.
10442
        * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
10443
        middle-end that DImode shifts need to be synthesized by expand.
10444
 
10445
2006-07-18  Diego Novillo  
10446
 
10447
        PR 28410
10448
        * tree-ssa-operands.c (access_can_touch_variable): Update
10449
        comment.
10450
        Return true if ALIAS is .GLOBAL_VAR.
10451
 
10452
2006-07-18  David Daney  
10453
 
10454
        * gcc.c (display_help): Fix typo in help text.
10455
 
10456
2006-07-18  Olivier Hainque  
10457
 
10458
        * tree.h (categorize_ctor_elements): Adjust prototype and add
10459
        descriptive comment, both in accordance with the interface change
10460
        described below.
10461
        * varasm.c (constructor_static_from_elts_p): New function.
10462
        Whether a constructor node is a valid static constant initializer
10463
        if all its elements are.
10464
        (initializer_constant_valid_p) : Use it.
10465
        * output.h: Declare it.
10466
        * expr.c (categorize_ctor_elements_1): Return whether the constructor
10467
        is a valid constant initializer instead of computing the number of
10468
        non-constant elements.  Use constructor_static_from_elts_p for this
10469
        purpose.  Replace the head comment with an indication that this is a
10470
        helper for categorize_ctor_elements.
10471
        (categorize_ctor_elements): Same interface change as for the _1
10472
        helper.  Former head comment from this helper moved here, adjusted to
10473
        account for the interface changes.
10474
        (mostly_zeros_p): Adjust call to categorize_ctor_elements.
10475
        (all_zeros_p): Likewise.
10476
        * gimplify.c (gimplify_init_constructor): Decide whether we can make
10477
        static versions of the constructor from the categorize_ctor_elements
10478
        return value instead of the formerly computed number of non-constant
10479
        elements.
10480
 
10481
2006-07-18  Paolo Bonzini  
10482
 
10483
        * configure: Regenerate.
10484
        * Makefile.in (build_libsubdir): New configure substitution
10485
        (build_libobjdir): New variable.
10486
        (BUILD_LIBIBERTY): Use it.
10487
 
10488
2006-07-18  Volker Reichelt  
10489
 
10490
        PR c/28286
10491
        * c-pragma.c (handle_pragma_pack): Handle invalid constants.
10492
 
10493
2006-07-18  Alexandre Oliva  
10494
 
10495
        PR c/26993
10496
        * c-common.c (handle_weakref_attribute): Ignore attribute in
10497
        the same conditions the alias attribute is ignored.
10498
 
10499
2006-07-17  Carlos O'Donell  
10500
 
10501
        * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
10502
        (dbxout_begin_prologue): Increment scope_labelno.
10503
 
10504
2006-07-17  Richard Henderson  
10505
 
10506
        PR 27889
10507
        * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
10508
        if needed.
10509
 
10510
2006-07-17  Roger Sayle  
10511
            Rainer Orth  
10512
 
10513
        * config/i386/gmon-sol2.c: Silence compilation warnings by partially
10514
        synchronizing code with config/sparc/gmon-sol2.c.  Remove #if 0
10515
        blocks.  #include "tconfig.h" and "tsystem.h" to prototype system
10516
        functions such as sbrk, write, etc..  Add function prototypes.
10517
        Convert function declarations from K&R to ISO C.  Cast pointers
10518
        to "long" and "unsigned long" instead of "int" and "unsigned int".
10519
        Convert tokens following #endif into comments.
10520
 
10521
2006-07-17  Toon Moene  
10522
 
10523
        * invoke.texi: Remove mention of f77; Reformat table for
10524
        inline parameter options correctly; mention that -malign-double
10525
        is default on x86-64 targets.
10526
 
10527
2006-07-17  Zdenek Dvorak 
10528
 
10529
        * tree-chrec.c (avoid_arithmetics_in_type_p): New.
10530
        (convert_affine_scev, chrec_convert_aggressive): Use
10531
        avoid_arithmetics_in_type_p.  Do not check for the subtypes
10532
        separately.
10533
 
10534
2006-07-17  Richard Sandiford  
10535
 
10536
        PR middle-end/28403
10537
        * optabs.c (expand_doubleword_shift): Wrap the call to
10538
        do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
10539
 
10540
2006-07-17  Richard Sandiford  
10541
 
10542
        PR middle-end/28402
10543
        * optabs.c (expand_binop): Pass next_methods rather than methods
10544
        to expand_doubleword_shift.
10545
 
10546
2006-07-17  J"orn Rennecke  
10547
 
10548
        PR other/28251
10549
        * tree.h (dump_addr): Declare.
10550
        * print-tree.c (dump_addr): New function.
10551
        (print_node_brief, print_node): Use it.
10552
        * print-rtl.c (print_rtx): Likewise.
10553
        * common.opt (-fdump-noaddr): New option.
10554
        * doc/invoke.texi (-fdump-noaddr): Document.
10555
        * loop-unroll.c (si_info_hash): Make hash independent of addresses.
10556
        (ve_info_hash): Likewise.
10557
 
10558
2006-07-13  Andrew Haley  
10559
 
10560
        PR tree-optimization/19505
10561
        * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
10562
        edge leaving this block, make sure that the destination of this
10563
        block has only one predecessor.
10564
 
10565
2006-07-17  Richard Guenther  
10566
 
10567
        PR tree-optimization/28238
10568
        * tree-inline.c (copy_bb): Check if we produced valid
10569
        gimple copying and substituting a stmt.  If not, gimplify
10570
        it.
10571
 
10572
2006-07-16  Eric Botcazou  
10573
 
10574
        * optabs.c (maybe_encapsulate_block): New function extracted from...
10575
        (emit_libcall_block): ...here.  Invoke it on the block of insns to
10576
        maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
10577
        (emit_no_conflict_block): Likewise.
10578
 
10579
2006-07-16  Eric Botcazou  
10580
 
10581
        * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
10582
 
10583
2006-07-15  Roger Sayle  
10584
 
10585
        * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
10586
        a new NOP_EXPR case of the switch statement.
10587
 
10588
2006-07-15  Kaz Kojima  
10589
 
10590
        PR middle-end/28160
10591
        * stor-layout.c (place_field): Take the bit field with
10592
        an excessive size into account in the ms-bitfiled case.
10593
 
10594
        PR middle-end/28161
10595
        * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
10596
        the previous bit field.
10597
 
10598
2006-07-14  Eliot Dresselhaus  
10599
 
10600
        PR target/27287
10601
        * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
10602
 
10603
2006-07-14  Ulrich Weigand  
10604
 
10605
        * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
10606
        signal frames correctly even when the signal was installed with
10607
        sa_restorer set.
10608
 
10609
2006-07-14  Carlos O'Donell  
10610
 
10611
        * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
10612
        (dbxout_function_end): Use local label LFBB. Remove hook
10613
        DBX_OUTPUT_NFUN.
10614
        (dbxout_source_line): Use local label LFBB.
10615
        (dbxout_block): Likewise.
10616
        (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
10617
        (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
10618
        * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
10619
        and DBX_OUTPUT_NFUN.
10620
 
10621
2006-07-13  Janis Johnson  
10622
 
10623
        * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
10624
 
10625
2006-07-13  Jan Hubicka  
10626
 
10627
        * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
10628
        align_variable.
10629
        * output.h (align_variable): Declare.
10630
        * varasm.c (align_variable): Export.
10631
        * value-prof.c (tree_value_profile_transformations): Recompute iterator
10632
        when basic block changed.
10633
 
10634
2006-07-13  Nick Clifton  
10635
 
10636
        * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
10637
        walking the LOG_LINKS chain.
10638
 
10639
2006-07-12  Geoffrey Keating  
10640
 
10641
        * doc/invoke.texi (C++ Dialect Options): Explain difference
10642
        between -fvisibility-inlines-hidden and setting hidden
10643
        visibility explicitly.
10644
 
10645
2006-07-12  Eric Christopher  
10646
 
10647
        * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
10648
        (stmp-lipo): Depend on libgcc.a.
10649
 
10650
2006-07-12  Kazu Hirata  
10651
 
10652
        * tree.c: Fix a comment typo.
10653
 
10654
2006-07-12  Naveen.H.S  
10655
 
10656
        * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
10657
        dest.
10658
        (umulhisi3_r): Likewise.
10659
 
10660
2006-07-12  Paolo Carlini  
10661
 
10662
        PR libstdc++/27878
10663
        * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
10664
        x < 19, vs wchar_t support.
10665
 
10666
2006-07-12  Nick Clifton  
10667
 
10668
        * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
10669
        instead of -isa=sh4.
10670
 
10671
2006-07-12  Mike Stump  
10672
 
10673
        * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
10674
 
10675
2006-07-10  Eric Christopher  
10676
 
10677
        * config/t-slibgcc-darwin: Rewrite.
10678
 
10679
2006-07-10  Laurynas Biveinis  
10680
 
10681
        PR bootstrap/20437
10682
        * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
10683
        dependencies.
10684
 
10685
2006-07-08  Matthias Klose  
10686
 
10687
        * doc/sourcebuild.texi: Fix typo.
10688
 
10689
2006-07-07  Mike Stump  
10690
 
10691
        * toplev.c (process_options): Don't give -ffunction-sections may
10692
        affect debugging warning for Mach-O.
10693
 
10694
2006-07-07  James E Wilson  
10695
 
10696
        * config/mips/mips.md (cpu): Add sb1a.
10697
        * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
10698
        addition to sb1.  Adjust comments to clarify SB-1A differences from
10699
        SB-1.
10700
        (ir_sb1a_load): New.  Modify bypasses to use it.
10701
        (ir_sb1a_simple_alu): Likewise.
10702
        * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
10703
        (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
10704
        (mips_issue_rate): Add PROCESSOR_SB1A.
10705
        (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
10706
        * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
10707
        (TARGET_SB1): Add PROCESSOR_SB1A check.
10708
        (TUNE_SB1): Likewise.
10709
 
10710
        * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
10711
        * config/mips/mips.c (mips_store_data_bypass_p): New.
10712
        * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
10713
        store_data_bypass_p.
10714
 
10715
2006-07-08  Paul Brook  
10716
 
10717
        PR target/27991
10718
        * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
10719
 
10720
2006-07-07   Richard Guenther  
10721
 
10722
        PR middle-end/28268
10723
        * tree.h (build_one_cst): Declare.
10724
        * tree.c (build_one_cst): New function.
10725
        * tree-ssa-math-opts.c (get_constant_one): Remove.
10726
        (insert_reciprocals): Use build_one_cst.
10727
        * fold-const.c (fold_plusminus_mult): Likewise.
10728
 
10729
2006-07-07  Roger Sayle  
10730
 
10731
        * pointer-set.c (pointer_set_destroy): Correct whitespace.
10732
        * cfgloopanal.c (dump_graph): Likewise.
10733
        * dojump.c (discard_pending_stack_adjust): Likewise.
10734
        * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
10735
        Likewise.
10736
        * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
10737
        * function.c (finalize_block_changes): Likewise.
10738
        * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
10739
        * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
10740
        * rtl.c (dump_rtx_statistics): Likewise.
10741
        * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
10742
        Likewise.
10743
        * varray.c (dump_varray_statistics): Likewise.
10744
        * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
10745
        decode_decimal64, encode_decimal128, decode_decimal128,
10746
        decimal_real_to_decimal): Likewise.
10747
 
10748
2006-07-07  Richard Guenther  
10749
 
10750
        PR tree-optimization/28187
10751
        * tree-vrp.c (vrp_operand_equal_p): New function.
10752
        (vrp_bitmap_equal_p): Likewise.
10753
        (update_value_range): Use them to compare old and new
10754
        max and min values.
10755
 
10756
2006-07-06  Roger Sayle  
10757
 
10758
        * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
10759
        a default case to switch statement to silence compiler warnings.
10760
 
10761
2006-07-06  Roger Sayle  
10762
 
10763
        PR target/27968
10764
        * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
10765
        the configured assembler supports the x87's ffreep mnemonic.
10766
        * configure: Regenerate.
10767
        * config.in: Regenerate.
10768
 
10769
        * config/i386/i386.c (output_387_ffreep): New function.
10770
        (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
10771
        (output_387_reg_move): Likewise.
10772
 
10773
2006-07-06  Paul Eggert  
10774
 
10775
        Port to hosts whose 'sort' and 'tail' implementations
10776
        treat operands with leading '+' as file names, as POSIX
10777
        has required since 2001.  However, make sure the code still
10778
        works on pre-POSIX hosts.
10779
        * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
10780
        which says you should use "tail -c +N" rather than "tail +Nc".
10781
        Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
10782
 
10783
2006-07-06  Zdenek Dvorak 
10784
 
10785
        * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
10786
        argument name.
10787
 
10788
2006-07-06  David Edelsohn  
10789
 
10790
        PR target/28150
10791
        * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
10792
        PRE_{INC,DEC} of TFmode.
10793
 
10794
2006-07-06  David Edelsohn  
10795
            Alan Modra  
10796
 
10797
        PR target/28170
10798
        * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
10799
        bounds. Simplify.
10800
 
10801
2006-07-06  Rainer Orth  
10802
 
10803
        PR target/28285
10804
        * config/alpha/predicates.md (alpha_swapped_comparison_operator):
10805
        Remove duplicate gtu.
10806
 
10807
2006-07-05  Jason Merrill  
10808
 
10809
        PR c++/13983
10810
        PR c++/17519
10811
        * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
10812
        * c-common.c (handle_packed_attribute): So don't copy it here.
10813
        * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
10814
 
10815
2006-07-05  Mike Stump  
10816
 
10817
        * doc/invoke.texi (Invoking G++): Clarify prose for g++.
10818
 
10819
2006-07-05  H.J. Lu  
10820
 
10821
        PR target/26146
10822
        * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
10823
 
10824
2006-07-05  Richard Guenther  
10825
 
10826
        PR target/28158
10827
        * config/i386/i386.md (*negdf2_1): Restrict pattern to
10828
        TARGET_SSE2 targets if using SSE math.
10829
        (*absdf2_1): Likewise.
10830
 
10831
2006-07-05  Richard Guenther  
10832
 
10833
        PR tree-optimization/28162
10834
        * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
10835
        make sure to convert the operands to the correct type.
10836
 
10837
2006-07-04  Paolo Bonzini  
10838
 
10839
        PR tree-optimization/28218
10840
 
10841
        * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
10842
        to calculate and free the dominator information.
10843
 
10844
2006-07-04  Peter O'Gorman  
10845
 
10846
        * mklibgcc.in: chmod 644 before ranlib during install.
10847
 
10848
2006-07-04  Andrew Stubbs 
10849
            J"orn Rennecke 
10850
 
10851
        * configure.ac (.eh_frame data check): Use diff -b.
10852
 
10853
2006-07-04  Eric Botcazou  
10854
 
10855
        PR bootstrap/18058
10856
        * Makefile.in (BUILD_RTL): Add build/vec.o.
10857
        (build/gencondmd.o): Filter out -fkeep-inline-functions.
10858
        (build/genextract): Delete.
10859
        (build/genautomata): Likewise.
10860
 
10861
2006-07-04  Alan Modra  
10862
 
10863
        PR target/28207
10864
        * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
10865
        128-bit IBM long doubles for ABI_V4.
10866
 
10867
2006-07-03  Eric Botcazou  
10868
 
10869
        * tree.c (range_in_array_bounds_p): New predicate.
10870
        * tree.h (range_in_array_bounds_p): Declare it.
10871
        * tree-eh.c (tree_could_trap_p) : Use it to
10872
        return a less conservative answer.
10873
        * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
10874
        and flag 'is_group'.
10875
        (IS_ELEMENT_FOR_GROUP): New macro.
10876
        (FOR_EACH_ACTUAL_CHILD): Likewise.
10877
        (next_child_for_group): New helper function.
10878
        (can_completely_scalarize_p): Take into account groups.
10879
        (sra_hash_tree): Handle RANGE_EXPR.
10880
        (sra_elt_eq): Likewise.
10881
        (lookup_element): Be prepared for handling groups.
10882
        (is_valid_const_index): Delete.
10883
        (maybe_lookup_element_for_expr) : Use in_array_bounds_p
10884
        instead of is_valid_const_index.
10885
        : New case.
10886
        (sra_walk_expr) : Use in_array_bounds_p instead of
10887
        is_valid_const_index.
10888
        : Do not unconditionally punt.
10889
        (scan_dump): Dump info for groups too.
10890
        (decide_instantiation_1): Likewise.
10891
        (decide_block_copy): Assert that the element is not a group.
10892
        Propagate decision to groups.
10893
        (generate_one_element_ref): Handle RANGE_EXPR.
10894
        (mark_no_warning): Iterate over actual childs.
10895
        (generate_copy_inout): Likewise.
10896
        (generate_element_copy): Likewise.
10897
        (generate_element_zero): Likewise.
10898
        (generate_element_init_1): Likewise.
10899
        (dump_sra_elt_name): Handle RANGE_EXPR.
10900
 
10901
2006-07-03  Roger Sayle  
10902
 
10903
        PR tree-optimization/26251
10904
        * tree-ssa-threadupdate.c (redirection_block_p): New function.
10905
        (thread_block): When optimizing for size refuse to thread jumps
10906
        that would require duplication of blocks other than redirection
10907
        blocks.
10908
 
10909
2006-07-03  Paolo Bonzini  
10910
 
10911
        * configure.ac: Fix thinko in previous check-in.
10912
        * configure: Regenerate.
10913
 
10914
2006-07-03  Paolo Bonzini  
10915
 
10916
        PR other/27063
10917
        * configure.ac (for lang...): Simplify nesting of conditionals.
10918
        Test subdir_requires for non-enabled languages.  Move processing
10919
        of lang_opt_files and lang_tree_fiels below that test.
10920
        * configure: Regenerate.
10921
        * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
10922
 
10923
2006-07-01  Martin Michlmayr  
10924
 
10925
        * doc/gcov.texi (Invoking Gcov): Add a missing word.
10926
 
10927
2006-06-30  Kazu Hirata  
10928
 
10929
        * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
10930
        comment typos.
10931
 
10932
2006-06-29  Jason Merrill  
10933
 
10934
        PR c++/26905
10935
        PR c++/26612
10936
        PR c++/27000
10937
        PR c++/26984
10938
        PR c++/19134
10939
        * tree.c (build_decl_stat): Don't hande #pragma visibility here.
10940
        * c-common.c (c_determine_visibility): Handle it here.
10941
        * c-decl.c (finish_decl): Call c_determine_visibility for
10942
        functions, too.
10943
        * flags.h (enum symbol_visibility): Sort from most to least visibility.
10944
        * tree.h: Likewise.
10945
        * varasm.c (default_assemble_visibility): Likewise.
10946
        * c-common.c (handle_visibility_attribute): Complain about trying
10947
        to give visibility to an already defined class, or trying to change
10948
        declared visibility. Always attach the attribute.
10949
 
10950
        PR c++/26905
10951
        PR c++/21675
10952
        PR c++/17470
10953
        * attribs.c (decl_attributes): Ignore type-in-place attributes
10954
        once the type has been defined.
10955
 
10956
2006-06-29  Roger Sayle  
10957
 
10958
        PR middle-end/27428
10959
        * c-lex.c (c_lex_with_flags) : Increment errorcount
10960
        to indicate the cpplib has issued an error message for us.
10961
 
10962
2006-06-29  Asher Langton  
10963
 
10964
        PR target/25765
10965
        * config/i386/i386.c (ix86_output_function_epilogue): Don't
10966
        insert a label at the end of an function under Mach-O.
10967
 
10968
2006-06-29  Eric Christopher  
10969
            Evan Cheng  
10970
 
10971
        * predicates.md (vector_all_ones_operand): New.
10972
        (nonimmediate_or_sse_const_operand): Ditto.
10973
        * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
10974
        * config/i386/i386.c (standard_sse_constant_opcode): Define.
10975
        (standard_sse_mode_p): Ditto.
10976
        (standard_sse_constant_p): Add case for -1 vector.
10977
        (ix86_expand_vector_move): Try to use.
10978
        * sse.md (*mov_internal): Use nonimmediate_or_sse_const_operand.
10979
        Call standard_sse_constant_opcode.
10980
        (*movv4sf_internal): Ditto.
10981
        (*movv2df_internal): Ditto.
10982
 
10983
2006-06-29  Roger Sayle  
10984
 
10985
        * genpreds.c (write_match_code_switch): Correctly use XSTR instead
10986
        of XEXP to extract the operands of a MATCH_CODE rtx.
10987
 
10988
2006-06-28  Andrew Pinski  
10989
 
10990
        * tree.c (tree_size): Do not waste tail padding in
10991
        struct tree_string and make the size be the same as
10992
        build_string will generate.
10993
 
10994
2006-06-28  Jason Merrill  
10995
 
10996
        PR c++/27768
10997
        * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
10998
        may_aliases already in the tag's annotations to the bitmap.
10999
 
11000
2006-06-28  Roger Sayle  
11001
 
11002
        * genpreds.c (write_predicate_stmts) : Add missing break.
11003
 
11004
2006-06-28  Roger Sayle  
11005
 
11006
        * genpreds.c (generate_switch_p): New function.
11007
        (add_mode_tests): Push the new mode test down inside an AND expr
11008
        if this allows the switch-suitable MATCH_CODE to be near the root.
11009
        (write_match_code_switch): New function to write a MATCH_CODE as
11010
        a switch statement.
11011
        (write_predicate_stmts): New function to write a predicate RTX
11012
        expression as a sequence of statements.
11013
        (write_one_predicate_function): Use write_predicate_stmts.
11014
        (write_tm_constrs_h): Likewise.
11015
 
11016
2006-06-26  Fred Fish  
11017
 
11018
        * config/mips/t-sb1: New file.
11019
        * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
11020
        tmake_file list.
11021
 
11022
2006-06-26  DJ Delorie  
11023
 
11024
        * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
11025
 
11026
2006-06-26  Naveen H.S  
11027
            Jayant Sonar  
11028
            Jaydeep Vipradas  
11029
 
11030
        * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
11031
        (subsi3, subsi3_1, subsi3_2): New.
11032
        * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
11033
        * config/m32c/mov.md (SI mov peephole): New.
11034
        * config/m32c/m32.c (m32c_immd_dbl_mov): New.
11035
        * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
11036
 
11037
2006-06-26  Olivier Hainque  
11038
 
11039
        * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
11040
        a CALL_EXPR target function declaration.
11041
 
11042
2006-06-26  Richard Guenther  
11043
 
11044
        * tree.c (build_string): Do not waste tail padding in
11045
        struct tree_string.
11046
 
11047
2006-06-26  Richard Guenther  
11048
 
11049
        * ggc-page.c (init_ggc): Add missing element to size_lookup
11050
        table.
11051
 
11052
        Revert
11053
        2006-06-23  Richard Guenther  
11054
 
11055
        * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
11056
        sizes to MAX_ALIGNMENT.  Fix the size_lookup table to honour
11057
        alignment requests instead.  Add verification code.
11058
        Add struct tree_function_decl and struct tree_binfo size to
11059
        extra_order_size_table.  Add missing element to size_lookup
11060
        table.
11061
 
11062
2006-06-25  Eric Botcazou  
11063
 
11064
        PR middle-end/28151
11065
        * fold-const.c (const_binop): Be prepared for self returning zero.
11066
        Simplify code handling complex values.
11067
 
11068
2006-06-24  Olivier Hainque  
11069
 
11070
        * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
11071
        (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
11072
        aggregate types.
11073
 
11074
2006-06-24  Olivier Hainque  
11075
 
11076
        * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
11077
        ARRAY_REF, so have the callback called for the low bound expression.
11078
 
11079
2006-06-23  Janis Johnson  
11080
 
11081
        * tree.h (DECIMAL_FLOAT_TYPE_P): New.
11082
        * c-typeck.c (c_common_type): Disallow operations on decimal float
11083
        types and other float types.
11084
        * convert.c (convert_to_real): Don't ignore conversions involving
11085
        decimal float types.
11086
 
11087
2006-06-23  Olivier Hainque  
11088
 
11089
        * tree.c (max_int_size_in_bytes): New function, inspired from
11090
        code in function.c:assign_temp.
11091
        * tree.h (max_int_size_in_bytes): Declare.
11092
        * function.c (assign_temp): Use it.
11093
        * gimplify.c (create_tmp_var): Relax the assertions on the type
11094
        properties, not mandating constant size any more.
11095
        (force_constant_size): New static function.
11096
        (gimple_add_tmp_var): Use it, forcing variable size to a
11097
        constant upper bound if it is not constant on entry.
11098
 
11099
2006-06-23  Danny Smith   
11100
 
11101
        PR target/27789
11102
        * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
11103
        for initialization and setting of one_only flag to ...
11104
        (i386_pe_encode_section_info): ...here.
11105
        (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
11106
        Recheck that the symbol has not been defined.
11107
 
11108
2006-06-23  Richard Guenther  
11109
 
11110
        * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
11111
        sizes to MAX_ALIGNMENT.  Fix the size_lookup table to honour
11112
        alignment requests instead.  Add verification code.
11113
        Add struct tree_function_decl and struct tree_binfo size to
11114
        extra_order_size_table.  Add missing element to size_lookup
11115
        table.
11116
 
11117
2006-06-22  Roger Sayle  
11118
            John David Anglin  
11119
 
11120
        PR middle-end/28131
11121
        * expr.c (expand_expr_real_1) : Check whether the
11122
        call to lang_hooks.types.type_for_mode returned NULL_TREE.
11123
 
11124
2006-06-23  Ben Elliston  
11125
 
11126
        * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
11127
        negate dn -- manipulate it directly.
11128
 
11129
2006-06-22  Roger Sayle  
11130
            Steven Bosscher  
11131
 
11132
        PR target/27531
11133
        * reload1.c (gen_reload): Call mark_jump_label on the new insns
11134
        generated by gen_move_insn to add REG_LABEL notes if necessary.
11135
 
11136
2006-06-22  Bob Wilson  
11137
 
11138
        * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
11139
        (leaf_entry): Remove use of MIN_ESA.
11140
 
11141
2006-06-22  Zdenek Dvorak 
11142
 
11143
        PR rtl-optimization/28121
11144
        * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
11145
        the entry edge.
11146
 
11147
2006-06-21  DJ Delorie  
11148
 
11149
        * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
11150
        (TN-16C-A156A/E).
11151
        (mulhisi3_r): Likewise.
11152
 
11153
2006-06-21  Richard Sandiford  
11154
 
11155
        PR middle-end/28034
11156
        * coverage.c (coverage_counter_alloc): Leave the index type
11157
        unspecified.
11158
        (coverage_counter_alloc): Use null arguments for operands 2 and 3
11159
        of the ARRAY_REF.
11160
 
11161
2006-06-21  Andrew Pinski  
11162
 
11163
        * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
11164
        section from the "Options for Code Generation Conventions".
11165
 
11166
2006-06-21  Richard Henderson  
11167
 
11168
        PR target/26347
11169
        PR target/27082
11170
        * config/alpha/predicates.md (small_symbolic_operand): Deny weak
11171
        symbols.
11172
        (global_symbolic_operand): Allow weak symbols, even if local_p.
11173
 
11174
2006-06-21  Eric Botcazou  
11175
 
11176
        * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
11177
        (find_interesting_uses_address): Punt if above function returns true.
11178
 
11179
2006-06-21  Richard Guenther  
11180
 
11181
        * configure: Regenerated.
11182
 
11183
2006-06-21  Joseph Myers  
11184
 
11185
        * config/mips/mips.c (function_arg): Where one part of a
11186
        complex argument is in registers and the other part in the stack,
11187
        return a REG not a PARALLEL.
11188
 
11189
2006-06-21  Mark Mitchell  
11190
 
11191
        * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
11192
        when cross-compiling.  Do not substitute libstdcxx_incdir.
11193
        * configure: Regenerated.
11194
 
11195
2006-06-21  Jakub Jelinek  
11196
 
11197
        * varasm.c (mergeable_string_section): Check for embedded NULs and
11198
        NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
11199
        rather than TREE_STRING_LENGTH bytes.
11200
 
11201
2006-06-21  Richard Guenther  
11202
 
11203
        * ggc-page.c (extra_order_size_table): Add var_ann_d,
11204
        tree_ssa_name, bitmap_element and phi_node with 4 arguments
11205
        sizes.
11206
 
11207
2006-06-21  Richrad Guenther  
11208
 
11209
        * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
11210
        Limit iteration over the dominators.
11211
 
11212
2006-06-20  Roger Sayle  
11213
 
11214
        * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
11215
        (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
11216
 
11217
2006-06-20  Richard Guenther  
11218
        Michael Matz  
11219
 
11220
        * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
11221
        function.
11222
        * alloc-pool.c (free_alloc_pool_if_empty): New function.
11223
        * et-forest.h (et_free_pools): Prototype new function.
11224
        * et-forest.c (et_free_tree_force): Free parent occurrence.
11225
        (et_free_pools): New function.
11226
        * dominance.c (free_dominance_info): Free et-forest alloc
11227
        pools.
11228
 
11229
2006-06-20  Roger Sayle  
11230
 
11231
        * expr.c (expand_expr_real_1) : For vector constants with
11232
        integer modes, attempt to directly construct an integer constant.
11233
 
11234
        * fold-const.c (native_encode_vector): Determine the size of each
11235
        element from the vector type instead of the first vector element.
11236
 
11237
        * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
11238
        if all of its elements/components are constant.
11239
        (build_constructor_from_list): Likewise.
11240
 
11241
2006-06-20  Zdenek Dvorak 
11242
 
11243
        PR tree-optimization/27331
11244
        * tree-data-ref.c (free_data_ref): New function.
11245
        (create_data_ref): Fail if the data reference has unknown access
11246
        function.
11247
        (free_data_refs): Use free_data_ref.
11248
 
11249
2006-06-19  Andrew Pinski  
11250
 
11251
        PR middle-end/28075
11252
        * tree-inline.c (setup_one_parameter): Strip useless
11253
        type conversion before adding it to the IR.
11254
        (declare_return_variable): Likewise.
11255
 
11256
2006-06-19  Martin Michlmayr  
11257
 
11258
        PR c/27149
11259
        * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
11260
 
11261
2006-06-19  Mike Stump  
11262
 
11263
        * tree.c (variably_modified_type_p): VM arguments don't make the
11264
        type a VM type.
11265
 
11266
2006-06-19  Richard Guenther  
11267
 
11268
        * tree-ssa-pre.c (try_combine_conversion): Strip useless
11269
        type conversions after folding.
11270
 
11271
2006-06-19  Richard Guenther  
11272
 
11273
        * ggc-page.c (extra_order_size_tab): Add entries with
11274
        size of struct function and basic_block.
11275
        (size_lookup): Extend to cover sizes up to 511.
11276
        (ggc_alloc_stat): Adjust user.
11277
        (ggc_pch_count_object): Likewise.
11278
        (ggc_pch_alloc_object): Likewise.
11279
        (ggc_pch_write_object): Likewise.
11280
 
11281
2006-06-19  Zdenek Dvorak 
11282
 
11283
        * tree-ssa-loop-niter.c (implies_ge_p): New function.
11284
        (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
11285
        correctly.
11286
 
11287
2006-06-19  Denis Chertykov  
11288
 
11289
        * config/avr/libgcc.S : Correct my wrong previous commit.
11290
 
11291
2006-06-19  Roger Sayle  
11292
 
11293
        PR target/27861
11294
        * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
11295
        have stripped a SUBREG from the shift count, so we may need to
11296
        convert_to_mode back to the type's mode before calling make_tree.
11297
        Use new_amount instead of amount to avoid expanding a tree twice.
11298
 
11299
2006-06-19  Richard Guenther  
11300
 
11301
        PR middle-end/28045
11302
        * fold-const.c (operand_equal_p): Check if the argument types
11303
        have the same precision before stripping NOPs.
11304
 
11305
2006-06-19  Daniel Berlin  
11306
 
11307
        Fix PR tree-optimization/27341
11308
        * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
11309
        statement we get.
11310
        * tree-complex.c (pass_lower_complex): Update SMT usage.
11311
 
11312
2006-06-19  Andreas Krebbel  
11313
 
11314
        * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
11315
        Add a new alternative to the constraint strings. Add move of
11316
        operand 1 to 3 to the splitter definition.
11317
        ("doloop_si_long"): Second contraint alternative removed.
11318
 
11319
2006-06-08  Anatoly Sokolov 
11320
 
11321
        * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
11322
        (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
11323
        __AVR_HAVE_LPMX__.
11324
        (AVR_HAVE_MOVW) Define.
11325
        (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
11326
        (ASM_SPEC): Add avr25.
11327
        (LINK_SPEC): Add avr25.
11328
        * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
11329
        (base_arch_s): Add new member 'have_movw_lpmx'.
11330
        (avr_arch_types): Init 'have_movw_lpmx'.
11331
        (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
11332
        attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
11333
        attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
11334
        (avr_override_options): Init 'avr_have_movw_lpmx_p'.
11335
        (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
11336
        AVR_HAVE_MOVW.
11337
        (avr_file_start): Do not output '.arh' derective.
11338
        * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
11339
        (__do_copy_data): Use __AVR_HAVE_LPMX__.
11340
        * config/avr/avr.md (mcu_enhanced): Delete.
11341
        (mcu_have_movw): Define.
11342
        (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
11343
        (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
11344
        * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
11345
        (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
11346
        attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
11347
        attiny861 and at86rf401 devices.
11348
 
11349
2006-06-18  Jie Zhang  
11350
 
11351
        * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
11352
        of 4096.
11353
 
11354
2006-06-17  Karl Berry  
11355
 
11356
        * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
11357
        doc/gccint.texi, doc/install.texi (@dircategory): Use
11358
        "Software development" instead of "Programming", following
11359
        the Free Software Directory.
11360
 
11361
2006-06-17  Alexandre Oliva  
11362
 
11363
        * config/i386/i386.c (legitimate_tls_address)
11364
        : Add tp after DTPOFF.
11365
        * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
11366
        (*tls_dynamic_gnu2_combine_64): Likewise.
11367
 
11368
2006-06-16  Richard Guenther  
11369
 
11370
        PR middle-end/27116
11371
        * fold-const.c (negate_expr_p): Do not introduce undefined
11372
        overflow in negating INTEGER_CSTs.
11373
        (fold_negate_expr): Rename from negate_expr.  Revert last
11374
        change for folding BIT_NOT_EXPR.  Change semantics to
11375
        return NULL_TREE for non-simplified negations.  Do not
11376
        strip type conversions and unify type handling.
11377
        (negate_expr): New function, wrap around fold_negate_expr
11378
        but ensure building a tree always.  Strip type conversions
11379
        here, fold to result type.
11380
        (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
11381
 
11382
2006-06-16  Roger Sayle  
11383
 
11384
        PR middle-end/27802
11385
        * reg-stack.c (subst_stack_regs): Handle noreturn function calls
11386
        that (would) return their results in stack registers.
11387
 
11388
2006-06-16  Michael Matz  
11389
        Richard Guenther  
11390
 
11391
        * fold-const.c (fold_truthop): Only return new tree node if
11392
        we canonicalized something.
11393
 
11394
2006-06-16  Richard Guenther  
11395
 
11396
        * function.h (enum function_frequency): Move declaration
11397
        out of struct function.
11398
        (struct function): Move bool fields and the enum to the bitfield
11399
        section.  Reorder elements to avoid padding.  Remove unused
11400
        fields left over from the RTL inliner removal.
11401
        * function.c (free_after_compilation): Do not zero removed fields.
11402
        * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
11403
        (ipa-type-escape.o): Likewise.
11404
 
11405
2006-06-16  Richard Guenther  
11406
 
11407
        * cgraph.h (struct cgraph_local_info): Turn bool elements
11408
        into a bitfield.
11409
        (struct cgraph_node): Likewise.
11410
        (struct cgraph_varpool_node): Likewise.
11411
 
11412
2006-06-15  Richard Guenther  
11413
 
11414
        * fold-const.c (fold_truth_not_expr): Rename from
11415
        invert_truthvalue.  Give it fold_* semantics to avoid
11416
        generating garbage.
11417
        (invert_truthvalue): New function.  Wrapper around
11418
        fold_truth_not_expr.
11419
        (optimize_minmax_comparison): Avoid creating garbage.
11420
        (fold_unary): Use fold_truth_not_expr for folding
11421
        TRUTH_NOT_EXPR.
11422
        (fold_ternary): Replace uses of invert_truthvalue with
11423
        fold_truth_not_expr where applicable.
11424
        * tree.h (fold_truth_not_expr): Prototype.
11425
 
11426
2006-06-16  Richard Guenther  
11427
 
11428
        PR tree-optimization/27781
11429
        * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
11430
        * ipa-pure-const.c (target.h): Include.
11431
        (analyze_function): Do not analyze functions that do not
11432
        bind locally.
11433
 
11434
2006-06-15  Andrew MacLeod  
11435
 
11436
        PR middle-end/27793
11437
        * tree-dfa.c (referenced_vars_dup_list): Remove.
11438
        (find_referenced_vars): Remove assert.
11439
        (referenced_var_check_and_insert): Replace dup list with assert.
11440
        * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
11441
        * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
11442
 
11443
2006-06-15  Richard Guenther  
11444
 
11445
        * tree-ssa-structalias.c (alias_get_name): Avoid creating
11446
        extra unused identifiers if not dumping.
11447
        (create_variable_info_for): Likewise.
11448
 
11449
2006-06-15  Zdenek Dvorak 
11450
 
11451
        * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
11452
        (derive_constant_upper_bound): Derive more precise upper bound in
11453
        common cases.  Return type changed to double_int.
11454
        (record_estimate): Reflect the changed return type of
11455
        derive_constant_upper_bound.
11456
        * double-int.c (double_int_zext, double_int_sext): Fix.
11457
 
11458
2006-06-15  Paolo Bonzini  
11459
 
11460
        * configure.ac (CFLAGS): Get them from the toplevel or from the
11461
        configure invocation.
11462
        * configure: Regenerate.
11463
        * Makefile.in (CFLAGS): Substitute value provided by configure.
11464
 
11465
2006-06-14  Mark Mitchell  
11466
 
11467
        PR c++/26559
11468
        * c-common.h (c_finish_omp_atomic): Adjust declaration.
11469
        * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
11470
        rather than calling add_stmt on it.
11471
        * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
11472
 
11473
2006-06-14  Andreas Krebbel  
11474
 
11475
        PR middle-end/27959
11476
        * reload1.c (reload): Remove registers returned by update_eliminables
11477
        from used_spill_regs.
11478
 
11479
2006-06-13  DJ Delorie  
11480
 
11481
        * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
11482
 
11483
2006-06-13  Carlos O'Donell  
11484
 
11485
        * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
11486
        html__strip_dir, html__mkdir_p. Enhance install-html target.
11487
        * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
11488
        * configure: Regenerate.
11489
 
11490
2006-06-13  Fariborz Jahanian 
11491
 
11492
        * fold-const.c (fold_cond_expr_with_comparison): Check for
11493
        Objective-C++ as language in deciding COND_EXPR transformation.
11494
 
11495
2006-06-06  J"orn Rennecke 
11496
 
11497
        PR target/28014:
11498
        * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
11499
        * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
11500
        * config/sh/lib1funcs.h (SL, SL1): Define.
11501
        * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
11502
        * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
11503
        * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
11504
        (OBJS_Os_4_200): New variable.
11505
        ($(T)libgcc-Os-4-200.a): Use it.
11506
        * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
11507
        when dividing 1 and/or by 0.
11508
 
11509
2006-06-13  Roger Sayle  
11510
 
11511
        * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include 
11512
        before  to define sigset_t required by .
11513
        * configure: Regenerate.
11514
 
11515
2006-06-13  Jie Zhang  
11516
 
11517
        * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
11518
        for real instruction.
11519
 
11520
2006-06-13  Maxim Kuvyrkov  
11521
 
11522
        PR middle-end/26807
11523
        * haifa-sched.c (check_cfg): Handle special case.
11524
 
11525
2006-06-13  Eric Botcazou  
11526
 
11527
        PR debug/26754
11528
        * gimplify.c (declare_tmp_vars): Rename into declare_vars.
11529
        Add debug_info parameter.  Chain the vars to the BLOCK instead
11530
        of the BIND_EXPR if debug info are requested for them.
11531
        (pop_gimplify_context): Adjust for above change.
11532
        (gimple_add_tmp_var): Likewise.
11533
        * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
11534
        Add bool parameter.
11535
        * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
11536
        (convert_local_reference): Likewise.
11537
        (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
11538
        (finalize_nesting_tree_1): Request that debug info be emitted
11539
        for debug_var_chain.
11540
 
11541
2006-06-13  Maxim Kuvyrkov  
11542
 
11543
        * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
11544
        for PR target/27863.
11545
 
11546
2006-06-13  Richard Guenther  
11547
 
11548
        PR middle-end/27536
11549
        * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
11550
 
11551
2006-06-13  Richard Guenther  
11552
 
11553
        PR tree-optimization/27830
11554
        * tree-inline.c (copy_body_r): For copying the operand
11555
        of an ADDR_EXPR make sure to fold &* afterwards.
11556
 
11557
2006-06-12  Eric Botcazou  
11558
 
11559
        * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
11560
        lvalues in the fb_none case with side-effects.
11561
 
11562
2006-06-12  Kazu Hirata  
11563
 
11564
        * tree-flow.h: Remove the prototype for
11565
        compute_phi_arg_on_exit.
11566
        * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
11567
        protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
11568
        Remove.
11569
 
11570
2006-06-12  Mark Shinwell  
11571
 
11572
        * builtins.c (expand_builtin_return_addr): Only use
11573
        frame_pointer_rtx when count == 0 and we are expanding
11574
        __builtin_return_address.
11575
 
11576
2006-06-12  Fred Fish  
11577
 
11578
        * config/mips/mips.c (mips_file_start): Create special section
11579
        ".gcc_compiled_longXX" for o64 ABI as well as EABI.
11580
 
11581
2006-06-11  Eric Christopher  
11582
 
11583
        PR middle-end/27948
11584
        * stor-layout.c (place_field): Remove check for
11585
        remaining_in_alignment when aligning at the end of a run.
11586
 
11587
2006-06-11  Eric Christopher  
11588
 
11589
        PR 27542
11590
        * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
11591
        pragma.
11592
 
11593
2006-06-11  Roger Sayle  
11594
 
11595
        PR target/27858
11596
        Revert incorrect fix for PR target/27158
11597
        2006-05-08  Roger Sayle  
11598
        * reload.c (find_reloads_toplev): Only return the simplified SUBREG
11599
        of a reg_equiv_constant if the result is a legitimate constant.
11600
 
11601
2006-06-11  Roger Sayle  
11602
 
11603
        PR target/27158
11604
        * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
11605
        extract a CONST_VECTOR element and interpret it as an integer.
11606
        (vspltis_constant): Use const_vector_elt_as_int instead of the
11607
        macro CONST_VECTOR_ELT in order to handle FP vector modes.
11608
        * config/rs6000/predicates.md (easy_vector_const): Consider
11609
        floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
11610
 
11611
2006-06-11  Kaz Kojima  
11612
 
11613
        PR middle-end/27942
11614
        * stor-layout.c (update_alignment_for_field): Don't add extra
11615
        alignment for packed non-bitfield fields in ms_bitfield_layout_p
11616
        code.
11617
 
11618
2006-06-09  Ralf Corsepius  
11619
 
11620
        * config/mips/t-rtems: Add EL/EB multilib variants.
11621
 
11622
2006-06-09  Mike Stump  
11623
 
11624
        * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
11625
 
11626
2006-06-09  David Daney  
11627
 
11628
        * doc/install.texi: Add binutils version recommendation for mips-*-*.
11629
 
11630
2006-06-09  Andreas Krebbel  
11631
 
11632
        * reload.c (find_reloads): Unset force_reload for 'X' constraint.
11633
 
11634
2006-06-09  Richard Guenther  
11635
 
11636
        PR tree-optimization/26998
11637
        * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
11638
        of signed types, only TYPE_MIN_VALUE is special, but for both,
11639
        minimum and maximum value.  Likewise VR_ANTI_RANGE is special
11640
        in this case, as is -fwrapv.
11641
 
11642
2006-06-08  Mike Stump  
11643
 
11644
        PR target/26427
11645
        * config/darwin.c (darwin_asm_output_anchor): Disable
11646
        -fsection-anchors on darwin for now.
11647
        * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
11648
        * rs6000/rs6000.c (optimization_options): Likewise.
11649
 
11650
2006-06-08  Volker Reichelt  
11651
 
11652
        PR target/27421
11653
        * config/i386/i386.c (classify_argument): Skip fields with invalid
11654
        types in unions.
11655
 
11656
2006-06-08  Steven Bosscher  
11657
 
11658
        * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
11659
        (cse_insn): Likewise for the stack_pointer_rtx.
11660
 
11661
2006-06-08  Roger Sayle  
11662
 
11663
        * tree-ssa-dom.c (record_conditions): Only record "unordered"
11664
        conditions from floating point comparisons.
11665
 
11666
2006-06-08  Paolo Bonzini  
11667
 
11668
        PR middle-end/27733
11669
        * expmed.c (struct alg_hash_entry): Fix type of field T
11670
        to match synth_mult argument.
11671
        (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
11672
 
11673
2006-06-08  Maxim Kuvyrkov  
11674
 
11675
        PR target/27863
11676
        * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
11677
        block boundaries.
11678
 
11679
2006-06-08  Richard Guenther  
11680
 
11681
        PR middle-end/27116
11682
        * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
11683
        only, if overflow is defined and not trapping.
11684
        (negate_expr): Likewise.
11685
 
11686
2006-06-07  Zdenek Dvorak 
11687
 
11688
        PR tree-optimization/27872
11689
        * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
11690
        flag on the new exit edge of the unrolled loop.
11691
 
11692
2006-06-07  Zdenek Dvorak 
11693
 
11694
        PR rtl-optimization/26449
11695
        * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
11696
 
11697
2006-06-07  Andrew MacLeod  
11698
 
11699
        PR middle-end/27793
11700
        * tree-dfa.c (referenced_vars_dup_list): New.  List of duplicate
11701
        referenced_variables with matching DECL_UID's.
11702
        (find_referenced_vars): Make sure duplicate list is empty to start.
11703
        (referenced_var_p): Remove.
11704
        (referenced_var_check_and_insert): Renamed from referenced_var_insert.
11705
        Check if var is in the list, and add if needed.  Update the duplicate
11706
        list if a different var is in the list with the same DECL_UID.
11707
        (add_referenced_var): Call routine to check and insert.
11708
        * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
11709
        * tree-flow.h (referenced_vars_dup_list): External declaration.
11710
 
11711
2006-06-07  Fred Fish  
11712
 
11713
        * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
11714
        into single entry.
11715
 
11716
2006-06-07  Paolo Bonzini  
11717
 
11718
        PR target/27390
11719
        * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
11720
        the imaginary and real parts of a clobbered register.
11721
        Emit insn to set the imaginary part.
11722
 
11723
2006-06-06  Peter Lemieszewski  
11724
 
11725
        * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
11726
        in lieu of unwind-dw2-fde.c.
11727
 
11728
2006-06-06  Francois-Xavier Coudert  
11729
 
11730
        * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
11731
 
11732
2006-06-06  Ulrich Weigand  
11733
 
11734
        PR target/27842
11735
        * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
11736
        ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
11737
        ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
11738
        V4SImode temporaries and operations instead.
11739
 
11740
2006-06-06  Joseph S. Myers  
11741
 
11742
        * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
11743
        dp-bit.c.
11744
 
11745
2006-06-06  Mike Stump  
11746
 
11747
        * Makefile.in: Rename to htmldir to build_htmldir to avoid
11748
        installing during build.
11749
 
11750
2006-06-06  Maxim Kuvyrkov  
11751
 
11752
        * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
11753
        value to 0.
11754
        * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11755
        * config/ia64/ia64.c (params.h): New header.
11756
        (ia64_optimization_options): New function to adjust parameters.
11757
        * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
11758
        * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
11759
        * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
11760
 
11761
2006-06-05  Kazu Hirata  
11762
 
11763
        * stor-layout.c (debug_rli): Fix a typo in a debug message.
11764
 
11765
2006-06-05  Steve Ellcey  
11766
 
11767
        PR target/27051
11768
        * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
11769
 
11770
2006-06-05  Dorit Nuzman  
11771
            Victor Kaplansky  
11772
 
11773
        PR tree-optimization/26360
11774
        * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
11775
        stmts.
11776
 
11777
2006-06-04  Roger Sayle  
11778
            Andrew Pinski  
11779
 
11780
        PR middle-end/27382
11781
        * c-common.c (c_common_truthvalue_conversion): Explicitly check
11782
        for LABEL_DECL before calling DECL_WEAK.
11783
 
11784
        PR c/27150
11785
        * c-typeck.c (build_binary_op): Likewise, explicitly check for
11786
        LABEL_DECL and PARM_DECL.
11787
 
11788
2006-06-05  Joseph S. Myers  
11789
 
11790
        PR c/25161
11791
        PR c/27020
11792
        * c-decl.c (grokdeclarator): Disallow variably modified types at
11793
        file scope.  Avoid marking shared array type of constant size as
11794
        VLA.
11795
 
11796
2006-06-04  Volker Reichelt  
11797
 
11798
        PR c++/27601
11799
        * c-common.c (fold_offsetof_1): Handle static members.
11800
 
11801
2006-06-04 Eric Christopher 
11802
 
11803
        * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
11804
        (debug_rli): Output value for remaining_in_alignment.
11805
        (update_alignment_for_field): Unconditionalize
11806
        ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
11807
        extra alignment code.
11808
        (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
11809
        ms_bitfield_layout_p code. Rewrite handling of structure fields.
11810
        * tree.h (record_layout_info_s): Remove prev_packed.
11811
        * doc/extend.texi (ms_struct): Add documentation of format.
11812
 
11813
2006-06-04  Mark Shinwell  
11814
 
11815
        * tree.h: Declare folding_initializer.
11816
        * builtins.c (fold_builtin_constant_p): Give definite answer
11817
        if folding inside an initializer.
11818
        * fold-const.c: Define folding_initializer.
11819
        (START_FOLD_INIT): Save and then set folding_initializer.
11820
        (END_FOLD_INIT): Restore folding_initializer.
11821
 
11822
2006-06-04  Richard Guenther  
11823
 
11824
        PR tree-optimization/27039
11825
        * fold-const.c (fold_comparison): Handle pointer comparison
11826
        again for all comparison codes.  Compare offsets in signed
11827
        size type.
11828
        (fold_binary): Move code from here.
11829
 
11830
2006-06-03  Roger Sayle  
11831
 
11832
        PR target/26223
11833
        * config/i386/i386.c (construct_container): Split static issued_error
11834
        flag into issued_sse_arg_error, issued_sse_ret_error and
11835
        issued_x87_ret_error.  Issue a daignostic if the x86-64 ABI
11836
        requires the use of x87 registers and the user explicitly
11837
        specified the -mno-80387 command line option.
11838
 
11839
2006-06-02  Geoffrey Keating  
11840
 
11841
        * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
11842
        HAVE_DECL_SIGALTSTACK.
11843
        (MC_FLD): New.
11844
        (segv_handler): Use MC_FLD.
11845
        * configure.ac: Check for a sigaltstack declaration.
11846
        Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
11847
        * configure: Regenerate.
11848
        * config.in: Regenerate.
11849
 
11850
2006-06-03  J"orn Rennecke 
11851
 
11852
        PR other/27850
11853
        * Makefile.in (stmp-fixinc): Fix typo.
11854
 
11855
2006-06-02  Roger Sayle  
11856
 
11857
        * fold-const.c (fold_unary) : Ensure folded expressions
11858
        are type correct.  Clean-up.
11859
        : Likewise.  Optimize creal(~z) as creal(z).
11860
        : Likewise.  Optimize cimag(~z) as -cimag(z).
11861
 
11862
2006-06-01  DJ Delorie  
11863
 
11864
        * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
11865
        shift, as we've disabled the "switch" insn that needs it.
11866
 
11867
2006-06-01  Per Bothner  
11868
 
11869
        Suppress extra '#1  or '#1 ' on -dD output.
11870
        * c-opts.c (finish_options): Use internal line 0 for .
11871
        * c-ppoutput.c (cb_define): Don't increment line 0.
11872
 
11873
2006-06-01  Pete Steinmetz  
11874
 
11875
        * doc/invoke.texi: Add cpu_type power6.
11876
        * config.gcc: Add cpu_type power6.
11877
        * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
11878
        to power5+ with Altivec.
11879
        * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
11880
        * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
11881
 
11882
2006-05-30  Anatoly Sokolov 
11883
 
11884
        * config/avr/avr.h (SET_ASM_OP): Define.
11885
 
11886
2006-06-01  Kazu Hirata  
11887
 
11888
        * config/bfin/bfin.c: Fix comment typos.
11889
 
11890
2006-06-01  Paolo Bonzini  
11891
 
11892
        PR 25453
11893
        * doc/install.texi: Document --enable-bootstrap and
11894
        --disable-bootstrap.
11895
 
11896
2006-06-01  Paolo Bonzini  
11897
 
11898
        * doc/install.texi: Document that InfoZIP can replace jar.
11899
 
11900
2006-05-31  Roger Sayle  
11901
 
11902
        * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
11903
        isn't available, directly generate the simpler x87 patterns without
11904
        the (use (const_int 0)).
11905
        * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
11906
        implementation isn't available.
11907
        (*negdf2_1): Likewise.
11908
        (*negxf2_1): XF mode negation is always done using the x87.
11909
        (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
11910
 
11911
2006-05-31  Roger Sayle  
11912
 
11913
        * builtins.c (fold_builtin_cabs): Delete prototype.  Require an
11914
        additional FNDECL argument.  Optimize cabs(-z) and cabs(~z) as
11915
        cabs(z).
11916
        (fold_builtin_decl) : Update fold_builtin_cabs call.
11917
 
11918
2006-05-31  Jie Zhang  
11919
 
11920
        * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
11921
        * config/bfin/bfin.c (basic-block.h): Include.
11922
        (struct machine_function): New.
11923
        (bfin_init_machine_status): New.
11924
        (override_options): Initialize init_machine_status.
11925
        (bfin_hardware_loop): New.
11926
        (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
11927
        (DEF_VEC_P (loop_info)): New.
11928
        (DEF_VEC_ALLOC_P (loop_info,heap)): New.
11929
        (struct loop_info): New.
11930
        (loop_info): New typedef.
11931
        (struct loop_work): New.
11932
        (loop_work): New typedef.
11933
        (DEF_VEC_O (loop_work)): New.
11934
        (DEF_VEC_ALLOC_O (loop_work,heap)): New.
11935
        (bfin_dump_loops): New.
11936
        (bfin_bb_in_loop): New.
11937
        (bfin_scan_loop): New.
11938
        (bfin_optimize_loop): New.
11939
        (bfin_reorg_loops): New.
11940
        (bfin_reorg): Use bfin_reorg_loops.
11941
        * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
11942
        loop registers.
11943
        (I_REGNO_P): Simplify.
11944
        (DP_REGNO_P, DPREG_P): New macros.
11945
        (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
11946
        REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
11947
        (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
11948
        Add LT_REGS, LC_REGS, LB_REGS.
11949
        (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
11950
        'l' for LB_REGS.
11951
        (REGNO_REG_CLASS): Deal with loop registers.
11952
        * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
11953
        letters.
11954
        (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
11955
        New constants for loop registers.
11956
        (UNSPEC_LSETUP_END): New.
11957
        (seq_insns): New define_attr. Set it for appropriate insns.
11958
        (movsi_insn): Add alternatives for move from/to
11959
        loop count registers.
11960
        (doloop_end): New define_expand.
11961
        (loop_end): New define_insn.
11962
        (define_split for bad doloop_end): New.
11963
        (lsetup_with_autoinit): New define_insn.
11964
        (lsetup_without_autoinit): New define_insn.
11965
        (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
11966
        * config/bfin/predicates.md (lc_register_operand): New.
11967
        (lt_register_operand): New.
11968
        (lb_register_operand): New.
11969
        (nondp_register_operand): New.
11970
        (nondp_reg_or_memory_operand): New.
11971
        * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
11972
 
11973
2006-05-31  Jie Zhang  
11974
 
11975
        * config/bfin/bfin.c (bfin_delegitimize_address): New.
11976
        (TARGET_DELEGITIMIZE_ADDRESS): Define.
11977
 
11978
2006-05-31  Daniel Jacobowitz  
11979
 
11980
        * Makefile.in (CATALOGS): Add po/ prefix.
11981
        * configure: Regenerated.
11982
 
11983
2006-05-31  Richard Earnshaw  
11984
 
11985
        PR target/27829
11986
        * arm.c (arm_print_operand case 'S'): Validate that the operand is
11987
        a shift operand before calling shift_op.  Avoid redundant call of
11988
        shift_op.
11989
 
11990
2006-05-30  Naveen.H.S  
11991
            DJ Delorie  
11992
 
11993
        * config/m32c/m32c.c (m32c_expand_insv): Check that the value
11994
        we're inserting is a singlt-bit constant.
11995
 
11996
2006-05-30  Roger Sayle  
11997
 
11998
        * simplify-rtx.c (simplify_binary_operation_1) : Cast
11999
        width to HOST_WIDE_INT to avoid comparison warnings on some targets.
12000
 
12001
2006-05-30  Roger Sayle  
12002
 
12003
        PR tree-optimization/23452
12004
        * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
12005
        to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
12006
        (fold_binary) : Call fold_mult_zconjz for integral
12007
        complex values and with -ffast-math for FP complex values.
12008
 
12009
2006-05-30  Kazu Hirata  
12010
 
12011
        * c-common.h: Remove the prototype for yyparse.
12012
        * rtl.h: Remove the prototype for init_loop.
12013
 
12014
2006-05-30  Andreas Krebbel  
12015
 
12016
        * cse.c (validate_canon_reg, cse_insn): Don't change insns without
12017
        calling recog.
12018
 
12019
2006-05-30  Roger Sayle  
12020
 
12021
        * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
12022
        and rotate cases.
12023
        : Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
12024
        log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
12025
 
12026
2006-05-30  Dirk Mueller  
12027
 
12028
        PR c/27273
12029
        * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
12030
        for CONSTANT_CLASS_P expresisons.
12031
 
12032
2006-05-30  Volker Reichelt  
12033
 
12034
        PR c/27718
12035
        * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
12036
 
12037
2006-05-30  Zdenek Dvorak 
12038
 
12039
        PR tree-optimization/27779
12040
        * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
12041
        initial_condition instead of CHREC_LEFT.
12042
 
12043
2006-05-30  Steven Bosscher  
12044
 
12045
        * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
12046
        * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
12047
        Make prototypes ISO C90.
12048
 
12049
2006-05-30  Mircea Namolaru  
12050
            Leehod Baruch    
12051
 
12052
        * see.c (see_analyze_one_def): Correct check.
12053
        (see_get_extension_data): Check if extension is parallel.
12054
        (see_get_extension_reg): Likewise.
12055
 
12056
2006-05-30  Uros Bizjak  
12057
 
12058
        PR target/27790
12059
        * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
12060
        into register for (code == GTU).
12061
 
12062
2006-05-29  Roger Sayle  
12063
 
12064
        PR tree-optimization/24964
12065
        * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
12066
        : Minor clean-up.  Don't convert x*-1.0 into -x if we honor
12067
        signaling NaNs.  Optimize -x*-x as x*x for all float modes, and
12068
        abs(x)*abs(x) as x*x for scalar floating point modes.
12069
 
12070
2006-05-29  Sebastian Pop  
12071
 
12072
        PR middle-end/27745
12073
        * lambda-code.c (perfect_nestify): Don't copy statements
12074
        in the inner loop: move them to the inner loop header.
12075
 
12076
2006-05-29  Diego Novillo  
12077
 
12078
        PR 26237
12079
        * c-tree.texi: Document OpenMP directives and clauses.
12080
 
12081
2006-05-29  Kazu Hirata  
12082
 
12083
        * varasm.c (globalize_decl): Fix indentation.
12084
 
12085
2006-05-29  Diego Novillo  
12086
 
12087
        PR 26242
12088
        * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
12089
        pass_fre, pass_store_ccp, pass_copy_prop,
12090
        pass_store_copy_prop, pass_merge_phi, pass_nrv,
12091
        pass_return_slot, pass_object_size, pass_lim,
12092
        pass_linear_transform, pass_empty_loop, pass_complete_unroll,
12093
        pass_loop_prefetch and pass_stdarg.
12094
 
12095
2006-05-29  Bernd Schmidt  
12096
 
12097
        * config/bfin/bfin.opt (mfdpic): New option.
12098
        * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
12099
        (EXTRA_MULTILIB_PARTS): Likewise.
12100
        (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
12101
        (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
12102
        multilib.
12103
        * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
12104
        (CRT_CALL_STATIC_FUNCTION): New.
12105
        * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
12106
        -shared.
12107
        (CRT_CALL_STATIC_FUNCTION): New.
12108
        * config/bfin/bfin.c (legitimize_pic_address): Now static.  Handle
12109
        FD-PIC moves.
12110
        (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
12111
        (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
12112
        (initialize_trampoline): Changed to handle FD-PIC code generation.
12113
        (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
12114
        (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
12115
        (override_options): Disallow -mid-shared-library -mfdpic combination.
12116
        Can't do unaligned ops if FD-PIC.
12117
        Turn off flag_pic if trying to generate non-id-shared-library
12118
        non-fdpic code, since it's not supported.
12119
        (bfin_assemble_integer): New function.
12120
        (TARGET_ASM_INTEGER): Define.
12121
        * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
12122
        __BFIN_FDPIC__.
12123
        * config/bfin/crtn.s: Restore them.
12124
        * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
12125
        if TARGET_FDPIC.
12126
        (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
12127
        LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
12128
        (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
12129
        (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
12130
        (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
12131
        call-used.
12132
        (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
12133
        FDPIC_REGS and FDPIC_FPTR_REGS.
12134
        (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
12135
        * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
12136
        UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
12137
        (load_funcdescsi): New pattern.
12138
        (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
12139
        sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
12140
        call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
12141
 
12142
2006-05-29  Kazu Hirata  
12143
 
12144
        * gcse.c, rtlanal.c: Remove obsolete comments associated with
12145
        loop.c.
12146
 
12147
        * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
12148
 
12149
        * tree-flow.h: Remove the prototype for add_type_alias.
12150
        * tree-ssa-alias.c (add_type_alias): Remove.
12151
 
12152
2006-05-28  Kazu Hirata  
12153
 
12154
        * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
12155
        config/fr30/fr30.md, config/i386/i386-interix.h,
12156
        config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
12157
        config/sh/superh64.h, config/v850/v850.c, df-core.c,
12158
        df-problems.c, df.h, except.c, final.c, haifa-sched.c,
12159
        lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
12160
        reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
12161
        tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
12162
        Follow spelling conventions.
12163
        * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
12164
        Follow spelling conventions.
12165
 
12166
2006-05-27  Richard Guenther  
12167
 
12168
        PR middle-end/27773
12169
        * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
12170
        to produce a constant of value 1 of generic type.
12171
 
12172
2006-05-27  Dirk Mueller  
12173
 
12174
        * cgraphunit.c (decide_is_function_needed): Fix wrong
12175
        PR reference.
12176
 
12177
2006-05-26  Ulrich Weigand  
12178
 
12179
        PR rtl-optimization/27661
12180
        * reload.c (find_reloads): When reloading a VOIDmode constant
12181
        as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
12182
        use Pmode as mode of the reload register.
12183
 
12184
2006-05-26  Eric Botcazou  
12185
 
12186
        * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
12187
        is enabled at -O and above.
12188
 
12189
2006-05-26  Steven Bosscher  
12190
 
12191
        PR target/27571
12192
        * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
12193
        table data.
12194
 
12195
2006-05-25  Mark Mitchell  
12196
 
12197
        PR c++/20103
12198
        * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
12199
        for anonymous variables explicitly declared by front ends.
12200
 
12201
2006-05-25  Eric Botcazou  
12202
 
12203
        * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
12204
        (struct alias_info): Add new field ref_all_symbol_mem_tag.
12205
        * tree-ssa-alias.c (compute_may_aliases): If the program contains
12206
        ref-all pointers, run a finalization pass for them.
12207
        (compute_flow_insensitive_aliasing): Skip ref-all pointers.
12208
        (finalize_ref_all_pointers): New function.
12209
        (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
12210
        regular pointer type to a ref-all pointer type.
12211
        (get_tmt_for): Return the special memory tag for ref-all pointers.
12212
 
12213
2006-05-25  Richard Guenther  
12214
 
12215
        PR middle-end/27743
12216
        * fold-const.c (fold_binary): Do not look at the stripped
12217
        op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
12218
 
12219
2006-05-25  Eric Botcazou  
12220
 
12221
        * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
12222
        for LT and GT if the computed range is effectively empty.
12223
 
12224
2006-05-24  John David Anglin  
12225
 
12226
        PR target/27627
12227
        * pa/pa-modes.def: Use mips_single_format, mips_double_format and
12228
        mips_quad_format formats instead of ieee_single_format,
12229
        ieee_double_format and ieee_quad_format formats, respectively.
12230
 
12231
2006-05-24  Zdenek Dvorak 
12232
 
12233
        PR tree-optimization/27639
12234
        PR tree-optimization/26719
12235
        * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
12236
        call to scev_probably_wraps_p.
12237
        * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
12238
        used_in_pointer_arithmetic_p, convert_step): Removed.
12239
        (nowrap_type_p): New function.
12240
        (scev_probably_wraps_p): Rewritten.
12241
        * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
12242
        chrec_convert if chrec_convert_aggressive might have been used.
12243
        * tree-chrec.c (convert_affine_scev, chrec_convert_1,
12244
        scev_direction): New functions.
12245
        (chrec_convert): Changed to a wrapper over chrec_convert_1.
12246
        * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
12247
        instead of convert_step.
12248
        * tree-flow.h (scev_probably_wraps_p): Declaration changed.
12249
        (convert_step): Declaration removed.
12250
        (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
12251
 
12252
2006-05-23  Kenneth Zadeck 
12253
 
12254
        * df-core.c: Added to header comments.
12255
        * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
12256
        df_ur_bb_info, df_urec_bb_info): Added comments.
12257
        * df-problems (df_ref_bitmap, ru, rd, lr, ur,
12258
        urec, ri problems): Fixed header comments.
12259
        (df_ru_transfer_function): Fixed in-out set dyslexia when copying
12260
        code from df_rd_transfer_function.
12261
 
12262
2006-05-23  Richard Sandiford  
12263
 
12264
        * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
12265
        (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
12266
        MIN_UNITS_PER_WORD to set the default.  Also use it in the guard.
12267
 
12268
2006-05-23  Joseph Myers  
12269
 
12270
        * expr.c (undefined_operand_subword_p): New.
12271
        (emit_move_multi_word): Do not generate move from undefined bits
12272
        of a paradoxical subreg.
12273
 
12274
2006-05-23  Richard Sandiford  
12275
 
12276
        PR rtl-optimization/27736
12277
        * combine.c (replaced_rhs_value): New variable.
12278
        (combine_instructions): Set it.
12279
        (distribute_notes): When distributing a note in replaced_rhs_insn,
12280
        check whether the value was used in replaced_rhs_value.
12281
 
12282
2006-05-23  Andrew MacLeod  
12283
 
12284
        PR c++/26757
12285
        * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
12286
        add_referenced_var instead of add_referenced_tmp_var.
12287
        * tree-complex.c (create_one_component_var): Use add_referenced_var.
12288
        * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
12289
        add_referenced_var.
12290
        * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
12291
        tree_optimize_tail_calls_1): Use add_referenced_var.
12292
        * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
12293
        * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
12294
        Use add_referenced_var.
12295
        * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
12296
        * gimplify.c (force_gimple_operand): Use add_referenced_var.
12297
        * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
12298
        Use add_referenced_var.
12299
        * tree-dfa.c (struct walk_state): Remove.
12300
        (find_referenced_vars): Remove walk state and vars_found hash table.
12301
        (make_rename_temp): Use add_referenced_var.
12302
        (find_vars_r): Pass less parameters to add_referenced_var.
12303
        (referenced_var_p): New.  Is var in referenced_var hash table.
12304
        (referenced_var_insert): Assert var isn't already in hash table.
12305
        (add_referenced_var): Don't need walk_state parameter.  Add var if it
12306
        isn't already in the hash table.
12307
        (add_referenced_tmp_var): Remove.
12308
        (find_new_referenced_vars_1): Use add_referenced_var.
12309
        * tree-ssa-pre.c (create_expression_by_pieces,
12310
        insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
12311
        Use add_referenced_var.
12312
        * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
12313
        * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
12314
        lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
12315
        add_referenced_var.
12316
        * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
12317
        vect_create_data_ref_ptr, vect_create_destination_var,
12318
        vect_init_vector, vect_build_loop_niters,
12319
        vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
12320
        vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
12321
        Use add_referenced_var.
12322
        * tree-outof-ssa.c (create_temp): Use add_referenced_var.
12323
        * tree-flow.h (add_referenced_tmp_var): Remove prototype
12324
        (add_referenced_var): Add prototype.
12325
        * tree-ssa-structalias.c (get_constraint_for,
12326
        intra_create_variable_infos): Use add_referenced_var.
12327
 
12328
2006-05-23  Alexandre Oliva  
12329
 
12330
        * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
12331
        big-endian paradoxical subregs.
12332
        * var-tracking.c (struct micro_operation_def): Document that,
12333
        for modify micro operations, insn is the subsequent instruction.
12334
        (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
12335
        (var_reg_set, var_mem_set): ... new functions.
12336
        (add_stores): Record subsequent insn.
12337
        (compute_bb_dataflow): Use new functions for MO_USE.
12338
        (emit_notes_in_bb): Use new functions for MO_USE.  Emit use
12339
        notes after the insn, and modify notes before the insn known
12340
        to be the subsequent one.
12341
        (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
12342
 
12343
2006-05-23  Kazu Hirata  
12344
 
12345
        PR target/27696
12346
        * config/i386/i386.c (ix86_expand_builtin): Use
12347
        gen_sse3_monitor64 for TARGET_64BIT.
12348
 
12349
2006-05-22  Kenneth Zadeck 
12350
 
12351
        PR rtl-optimization/26375
12352
        PR rtl-optimization/26855
12353
        * df-problems (df_ru_bb_local_compute_process_def): Removed update
12354
        to gen set.
12355
        (df_ru_bb_local_compute): Reversed statements and removed bogus
12356
        comment explaining why they should be in wrong order.
12357
        (df_ru_dump, df_rd_dump): Enhanced debug info.
12358
        * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
12359
        debug info.
12360
        * ddg.c (add_deps_for_def): Converted use of reaching defs to
12361
        reaching uses and fixed space problem.
12362
 
12363
2006-05-23  Jan Hubicka  
12364
 
12365
        * cgraphunit.c (decide_is_function_needed): Also nested functions
12366
        and functions declared inline can be optimized out at -O0.
12367
 
12368
2006-05-22  Gerald Pfeifer  
12369
 
12370
        * doc/install.texi (Configuration): Remove reference to CrossGCC
12371
        FAQ which was gone.
12372
        (Building): Ditto.
12373
 
12374
2006-05-22  Kazu Hirata  
12375
 
12376
        PR target/27266
12377
        * config/i386/i386.c (ix86_expand_branch): Jump to simple if
12378
        ix86_compare_emitted is non-NULL.
12379
 
12380
2006-05-22  Volker Reichelt  
12381
 
12382
        PR c++/27451
12383
        * stmt.c (expand_asm_operands): Skip asm statement with erroneous
12384
        clobbers.
12385
 
12386
2006-05-22  Richard Sandiford  
12387
 
12388
        PR rtl-optimization/25514
12389
        * combine.c (replaced_rhs_insn): New variable.
12390
        (combine_instructions): Set replaced_rhs_insn when trying to replace
12391
        a SET_SRC with a REG_EQUAL note.
12392
        (distribute_notes): Use replaced_rhs_insn when determining the live
12393
        range of a REG_DEAD register.
12394
 
12395
2006-18-05  Joerg Wunsch 
12396
            Anatoly Sokolov 
12397
 
12398
        * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
12399
        attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
12400
        attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
12401
        atmega164p, atmega324p, atmega644p, atmega644, atmega329,
12402
        atmega3290, atmega649, atmega6490, atmega406, atmega640,
12403
        atmega1280, atmega1281, at90can32, at90can64, at90usb646,
12404
        at90usb647, at90usb1286 and at90usb1287 devices.
12405
        * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
12406
        * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
12407
 
12408
2006-05-22  Richard Sandiford  
12409
 
12410
        * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
12411
 
12412
2006-05-22  Richard Guenther  
12413
 
12414
        Revert
12415
        2006-01-31  Richard Guenther  
12416
        Paolo Bonzini  
12417
 
12418
        * doc/install.texi (--disable-libgcc-math): Document.
12419
 
12420
2006-05-22  Richard Guenther  
12421
 
12422
        Revert
12423
        2006-01-31  Richard Guenther  
12424
 
12425
        * doc/invoke.texi (-msselibm): Document.
12426
        * target.h (expand_library_builtin): New target hook.
12427
        * builtins.c (expand_builtin): Use expand_library_builtin.
12428
        (default_expand_library_builtin): New function.
12429
        * gcc.c (LINK_GCC_MATH_SPEC): Define.
12430
        (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
12431
        (link_gcc_math_spec): Declare.
12432
        (static_specs): Add link_gcc_math_spec.
12433
        * expr.h (default_expand_library_builtin): Declare.
12434
        * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12435
        (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
12436
        * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
12437
        * config/i386/i386.opt (msselibm): New target option.
12438
        * config/i386/i386.c (ix86_builtin_function_variants): New array.
12439
        (ix86_init_sse_abi_builtins): New function.
12440
        (ix86_expand_library_builtin): Likewise.
12441
        (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12442
        (override_options): Handle error conditions wrt -msselibm.
12443
        (ix86_builtins): Add function codes for SSE2 ABI builtins.
12444
        (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
12445
        * doc/extend.texi (__builtin_sse2_*): Document new target specific
12446
        builtins.
12447
 
12448
2006-05-22  Volker Reichelt  
12449
 
12450
        PR c/27420
12451
        * c-common.c (self_promoting_args_p): Skip erroneous args.
12452
 
12453
        PR c/26818
12454
        * c-decl.c (finish_struct): Skip erroneous fields.
12455
 
12456
2006-05-22  Nick Clifton  
12457
 
12458
        * config/cris/cris.opt (march): Remove VarExists attribute.
12459
        (max-stackframe=): Likewise.
12460
 
12461
2006-05-22  Kazu Hirata  
12462
 
12463
        * doc/rtl.texi: Fix a typo.
12464
        * see.c: Fix comment typos.
12465
 
12466
        * tree-ssa-structalias.h (alias_info): Remove num_references.
12467
 
12468
2006-05-21  Mike Stump  
12469
 
12470
        * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
12471
        (BAD2): Add.
12472
        (darwin_pragma_options): Use BAD instead.
12473
        (darwin_pragma_unused): Likewise.
12474
        (darwin_pragma_ms_struct): Likewise.
12475
 
12476
2006-05-21  David Edelsohn  
12477
 
12478
        * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
12479
 
12480
2006-05-21  Kazu Hirata  
12481
 
12482
        PR rtl-optimization/27671
12483
        * simplify-rtx.c (simplify_relational_operation_1): Fix
12484
        simplifications of (eq/ne (xor x y) y) and
12485
        (eq/ne (xor x y) x).
12486
 
12487
        PR tree-optimization/26622.
12488
        * fold-const.c (fold_ternary) : Call fold_convert
12489
        on arg1.
12490
 
12491
2006-05-21  Bernhard Fischer  
12492
 
12493
        * tree-cfg.c: Prune whitespace.
12494
        (debug_tree_cfg): Point to correct header containing the
12495
        TDF_* defines.
12496
 
12497
2006-05-21  Bernhard Fischer  
12498
 
12499
        PR middle-end/25776
12500
        * cgraphunit.c (verify_cgraph_node): Typo in error message.
12501
 
12502
2006-05-20  Andrew Pinski  
12503
 
12504
        PR middle-end/25776
12505
        * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
12506
        or sorry count is non zero.
12507
 
12508
2006-05-20  Andreas Schwab  
12509
 
12510
        * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
12511
 
12512
2006-05-19  Daniel Berlin  
12513
            Kenneth Zadeck 
12514
 
12515
        PR rtl-optimization/26855
12516
 
12517
        * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
12518
        multiword refs.
12519
        (df_scan_alloc): Added code to properly handle multiword hard
12520
        registers and add all_blocks parameter.
12521
        (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
12522
        code to properly handle multiword hard registers.
12523
        (df_rescan_blocks): Added code to remove deleted blocks from
12524
        bitmap.
12525
        (df_ref_create_structure, df_ref_record): Added code to properly
12526
        handle subregs.
12527
        (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
12528
        and set DF_REF_PARTIAL.
12529
        (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
12530
        (df_uses_record): Added DF_REF_PARTIAL for subreg.
12531
        (df_scan_add_problem): Added flags parameter.
12532
        (df_ref_create_structure): Changed switching structure.
12533
        (df_bb_refs_record): Fixed case where duplicate artificial refs
12534
        were created.  Changed location of flags.
12535
        (df_record_entry_block_defs): Added code to make stack pointer
12536
        live in entry block.  Refined cases where frame pointer is needed.
12537
        Changed location of flags.
12538
        (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
12539
        (df_set_state): Removed function.
12540
        (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
12541
        df_insn_create_insn_record, df_insn_refs_delete,
12542
        df_ref_create_structure): Formatting changes.
12543
        * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
12544
        df_delete_basic_block): New function.
12545
        (df_init): Changed location of flags.
12546
        (df_add_problem): Added flags parameter and the way flags are
12547
        processed.
12548
        (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
12549
        debug_df_chain): Improved debugging output.
12550
        (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
12551
        (df_refs_chain_dump): Removed df parameter.
12552
        (df_iterative_dataflow): Added consistency check.
12553
        (df_prune_to_subcfg): Made public.
12554
        (df_analyze_problem): Added blocks_to_init parameter and made
12555
        public.
12556
        (df_ref_record, df_bb_refs_record, df_mark_reg,
12557
         df_record_exit_block_uses): Whitespace changes.
12558
        (df_dump): Whitespace changes.
12559
        * df.h: Some reordering to remove forward references.
12560
        (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
12561
        DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
12562
        (df_ref_flags.DF_REF_CLOBBER): Deleted field.
12563
        (dataflow.flags): New field.
12564
        (df.flag): Deleted field.
12565
        (df_alloc_function): Added additional bitmap parameter.
12566
        (df_dependent_problem_function): New type.
12567
        (df_problem.changeable_flags): New field.
12568
        (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
12569
        DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
12570
        (df_mw_hardreg): New struct.
12571
        (DF_INSN_UID_MWS): New macro.
12572
        (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
12573
        parameter.
12574
        (df_add_problem, df_ru_add_problem, df_rd_add_problem,
12575
        df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
12576
        df_ri_add_problem, df_scan_add_problem): Added flags parameter.
12577
        (df_set_state): Removed function.
12578
        (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
12579
        * df-problems.c (df_chain_dump): Removed df parameter.
12580
        (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
12581
        df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
12582
        parameter.
12583
        (df_ru_alloc, df_rd_alloc): Now resets all blocks.
12584
        (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
12585
        df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
12586
        Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
12587
        DF_REF_MUST_CLOBBER cases.
12588
        (df_ru_bb_local_compute_process_def,
12589
        df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
12590
        df_lr_bb_local_compute, df_ur_bb_local_compute,
12591
        df_chain_create_bb): Made subreg aware.
12592
        (df_ru_bb_local_compute, df_rd_bb_local_compute,
12593
        df_lr_bb_local_compute, df_lr_bb_local_compute,
12594
        df_chain_create_bb): Cleanup to use proper macros.
12595
        (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
12596
        code to fixup bitvectors.
12597
        (df_ri_alloc): Cleared lifetime.
12598
        (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
12599
        df_create_unused_note): New function.
12600
        (df_ri_bb_compute, df_ri_compute): Added code to create/update
12601
        REG_DEAD and REG_UNUSED notes as well as register information.
12602
        (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
12603
        df_chains_dump): Fixed crash if problem was never run.
12604
        (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
12605
        df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
12606
        df_ri_add_problem): Processes flags in uniform manner.
12607
        (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
12608
        df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
12609
        df_rd_dump, df_urec_free_bb_info): Formatting changes.
12610
        (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
12611
        df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
12612
        df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
12613
        df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
12614
        df_ur_dump, df_urec_free_bb_info, df_urec_dump,
12615
        df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
12616
        * modulo-sched.c (sms_schedule): Added flag parameter to calls.
12617
        * see.c (see_initialize_data): Ditto.
12618
        * final.c (rest_of_clean_state) Added regstack_completed.
12619
        * rtl.h (regstack_completed): Ditto.
12620
        * reg-stack.c (regstack_completed): Ditto.
12621
 
12622
2006-05-19  Mike Stump  
12623
 
12624
        * c-tree.h (default_conversion): Remove.
12625
        * c-common.h (default_conversion): Add.
12626
 
12627
2006-05-19  Zdenek Dvorak 
12628
 
12629
        * tree-vrp.c (valid_value_p): New function.
12630
        (adjust_range_with_scev): Fail if the value of bound is not
12631
        simple.
12632
 
12633
2006-05-19  Richard Sandiford  
12634
 
12635
        * config/mips/linux-unwind.h: Include 
12636
        (mips_fallback_frame_state): Use syscall numbers to determine
12637
        the appropriate li instruction for the current ABI.  Only use
12638
        __NR_sigreturn for o32.
12639
 
12640
2006-05-19  Nicolas Setton  
12641
 
12642
        * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
12643
        * langhooks.c (lhd_dwarf_name): New function.
12644
        * langhooks-def.h (lhd_dwarf_name): Declare.
12645
        (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
12646
        * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
12647
 
12648
2006-05-19  Richard Sandiford  
12649
 
12650
        * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
12651
        libgcc2.h.
12652
        (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
12653
        MIN_UNITS_PER_WORD logic from libgcc2.h.  Do nothing if
12654
        LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
12655
        * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
12656
        Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
12657
        determine the size of Wtype, etc.
12658
        * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
12659
        (swfloatfuncs): New variable.
12660
        (dwfloatfuncs): Likewise.
12661
        (lib2funcs): Remove floating-point conversion functions from
12662
        initial assignment.  Use LIB2_SIDITI_CONV_FUNCS to determine
12663
        the set of conversion routines needed.  Allow entries to specify
12664
        an object name, filename and word size.  Update users accordingly.
12665
        * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
12666
        * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
12667
 
12668
        Revert:
12669
 
12670
        2006-02-08  Roger Sayle  
12671
 
12672
        PR target/22209
12673
        * config/fixtfdi.c: New libgcc source file.
12674
        * config/fixunstfdi.c: New source file.
12675
        * config/floatditf.c: New source file.
12676
        * config/floatunditf.c: New souce file.
12677
        * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12678
        files above instead of config/mips/_tilib.c.
12679
        * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12680
 
12681
2006-05-18  John David Anglin  
12682
 
12683
        * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
12684
        * pa/pa-hpux11.h (LIB_SPEC): Update comment.
12685
 
12686
2006-05-18  Mike Stump  
12687
 
12688
        Fix up vla, vm and [*] sematics.
12689
 
12690
        PR c/18740
12691
        PR c/7948
12692
        PR c/25802
12693
        PR c/27673
12694
        * c-tree.h (struct c_arg_info): Add had_vla_unspec.
12695
        (c_vla_unspec_p): Add.
12696
        (c_vla_type_p): Add.
12697
        * c-decl.c (struct c_scope): Add had_vla_unspec.
12698
        (build_array_declarator): Add support for [*].
12699
        (grokdeclarator): Likewise.
12700
        (grokparms): Likewise.
12701
        (get_parm_info): Likewise.
12702
        * c-objc-common.c (c_vla_unspec_p): Likewise.
12703
        * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
12704
        * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
12705
        typeof when argument is a variably modified type not inside sizeof or alignof.
12706
        (c_parser_direct_declarator_inner): Propagate errors.
12707
        (c_parser_sizeof_expression): Add support for [*].
12708
        (c_parser_parms_declarator): Initialize had_vla_unspec.
12709
        (c_parser_parms_list_declarator): Likewise.
12710
        * c-typeck.c (c_vla_type_p): Add.
12711
        (composite_type): Add support for vla compositing.
12712
        (comptypes_internal): Add support for vla compatibility.
12713
        (c_expr_sizeof_expr): Evaluate vla arguments.
12714
        * tree.c (variably_modified_type_p): Update comment for [*].
12715
 
12716
2006-05-18  Michael Matz  
12717
 
12718
        PR target/27599
12719
        * config.host: Make assignments to host_xmake_file cumulative.
12720
        * config.host (*-darwin*): Test $host, not $target.
12721
 
12722
2006-05-12  Stuart Hastings  
12723
 
12724
        * config/i386/i386.opt (-mstackrealign): New flag.
12725
        * config/i386/i386.c (force_align_arg_pointer): New attribute.
12726
        (ix86_handle_cconv_attribute): Emit error when
12727
        force_align_arg_pointer attribute collides with too many regparms.
12728
        (ix86_function_regparm): Limit regparms when used with
12729
        force_align_arg_pointer attribute.  (ix86_internal_arg_pointer):
12730
        Support stack-realigning prologue in non-main functions.  Emit
12731
        warning for nested functions under -mstackrealign, emit error for
12732
        nested functions with force_align_arg_pointer attribute.
12733
        * doc/extend.texi (force_align_arg_pointer): Document it.
12734
        * doc/invoke.texi (-mstackrealign): Document it.
12735
 
12736
2006-05-17  Kazu Hirata  
12737
 
12738
        PR rtl-optimization/27477
12739
        * combine.c (try_combine): Don't split a parallel consisting
12740
        of two sets into two individual sets if both sets reference
12741
        cc0.
12742
 
12743
2006-05-17  H.J. Lu  
12744
 
12745
        * config/arm/arm.opt (target_fpe_name): Remove VarExists.
12746
        * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
12747
 
12748
        * doc/options.texi (VarExists): Updated.
12749
 
12750
2006-05-17  John David Anglin  
12751
 
12752
        * unwind-dw2.c: Add declarations for uw_update_context and
12753
        uw_frame_state_for.
12754
        * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
12755
        detected, advance frame state and context once to skip over stub.
12756
 
12757
2006-05-17  Sebastian Pop  
12758
 
12759
        PR middle-end/20256
12760
        PR middle-end/26435
12761
        * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
12762
        Call rewrite_into_loop_closed_ssa only when something changed.
12763
        * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
12764
        * lambda-code.c (can_convert_to_perfect_nest): Declared.
12765
        (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
12766
        Test for perfect_nest_p here.  Fix formating.
12767
        (replace_uses_equiv_to_x_with_y): Fix formating.
12768
        (stmt_uses_op): Removed.
12769
        (can_convert_to_perfect_nest): Removed loopivs parameter.
12770
        Complete the test by checking the scalar dependences.
12771
        (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
12772
        Fix formating.
12773
 
12774
2006-05-17  Bernd Schmidt  
12775
 
12776
        PR bootstrap/22541
12777
        From Dan Kegel :
12778
        * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
12779
 
12780
2006-05-17  Eric Botcazou  
12781
 
12782
        * tree.c (variably_modified_type_p) : Return true
12783
        if the element type is variably modified without recursing.
12784
 
12785
2006-05-17  Sebastian Pop  
12786
 
12787
        PR middle-end/27332
12788
        * tree-loop-linear.c (try_interchange_loops): Test for
12789
        no data dependences.
12790
 
12791
2006-05-17  Zdenek Dvorak 
12792
 
12793
        PR tree-optimization/27548
12794
        * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
12795
        range of ssa names that appear on abnormal edges.
12796
        * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
12797
        * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
12798
 
12799
2006-05-17  Bernd Schmidt  
12800
 
12801
        PR middle-end/27620
12802
        * expr.c (safe_from_p): Handle CONSTRUCTOR again.
12803
 
12804
2006-05-17  Jakub Jelinek  
12805
 
12806
        PR middle-end/27415
12807
        * tree.h (OMP_PARALLEL_COMBINED): Define.
12808
        * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
12809
        (new_omp_context): Add is_combined_parallel argument.
12810
        (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
12811
        new_omp_context caller.
12812
        (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
12813
        Adjust gimplify_scan_omp_clauses callers.
12814
        (omp_is_private): Issue errors if iteration variable is firstprivate
12815
        or reduction in the current context.
12816
        * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
12817
        on combined parallel workshare constructs.
12818
 
12819
2006-05-16  H.J. Lu  
12820
 
12821
        * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
12822
        (gcc-options.o): New rule.
12823
 
12824
        * optc-gen.awk: Protect variables for gcc-options.o with
12825
        #ifdef GCC_DRIVER/#endif.
12826
 
12827
2006-05-16  Daniel Berlin 
12828
 
12829
        Fix PR tree-optimization/27373
12830
        * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
12831
         (forward_propagate_addr_expr): Update call.
12832
 
12833
2006-05-16  H.J. Lu  
12834
 
12835
        * doc/options.texi: Move the Negative option.
12836
 
12837
2006-05-16  Richard Guenther  
12838
 
12839
        PR tree-optimization/22303
12840
        * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
12841
        from STRING_CSTs.
12842
        (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
12843
        ccp_fold did not simplify the statement.
12844
 
12845
2006-05-16  H.J. Lu  
12846
 
12847
        PR driver/26885
12848
        * Makefile.in (GCC_OBJS): New.
12849
        (OBJS-common): Add opts-common.o.
12850
        (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
12851
        (cpp$(exeext)): Likewise.
12852
        (gcc.o): Also depend on opts.h.
12853
        (opts-common.o): New.
12854
 
12855
        * common.opt (gcoff): Add Negative(gdwarf-2).
12856
        (gdwarf-2): Add Negative(gstabs).
12857
        (gstabs): Add Negative(gstabs+).
12858
        (gstabs+): Add Negative(gvms).
12859
        (gvms): Add Negative(gxcoff).
12860
        (gxcoff): Add Negative(gxcoff+).
12861
        (gxcoff+): Add Negative(gcoff).
12862
        * config/i386/i386.opt (m32): Add Negative(m64).
12863
        (m64): Add Negative(m32).
12864
 
12865
        * doc/options.texi: Document the Negative option.
12866
 
12867
        * gcc.c: Include "opts.h".
12868
        (main): Call prune_options after expandargv.
12869
 
12870
        * optc-gen.awk: Generate common declarations for all flag
12871
        variables in options.c. Output the neg_index field.
12872
 
12873
        * opts.c (find_opt): Moved to ...
12874
        * opts-common.c: Here. New file.
12875
 
12876
        * opts.h (cl_option): Add a neg_index field.
12877
        (find_opt): New.
12878
        (prune_options): Likewise.
12879
 
12880
2006-05-16  Jakub Jelinek  
12881
 
12882
        PR middle-end/27573
12883
        * omp-low.c (expand_omp_parallel): Don't assert
12884
        .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
12885
        instead search for it.
12886
 
12887
        PR c/27499
12888
        * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
12889
        is signed.
12890
 
12891
2006-05-16  Andreas Schwab  
12892
 
12893
        * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
12894
        defmac.
12895
 
12896
2006-05-15  Roger Sayle  
12897
 
12898
        PR target/26600
12899
        * config/i386/i386.c (legitimate_constant_p) : TImode
12900
        integer constants other than zero are only legitimate on TARGET_64BIT.
12901
         Only zero vectors are legitimate.
12902
        (ix86_cannot_force_const_mem): Integral and vector constants can
12903
        always be put in the constant pool.
12904
 
12905
2006-05-16  DJ Delorie  
12906
 
12907
        * crtstuff.c (__dso_handle): Set section from
12908
        TARGET_LBIGCC_SDATA_SECTION if defined.
12909
        * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
12910
        * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
12911
 
12912
2006-05-16  Danny Smith  
12913
 
12914
        PR target/27599
12915
        * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
12916
        host_xmake_file.
12917
 
12918
2006-05-16  Ben Elliston  
12919
 
12920
        * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
12921
 
12922
2006-05-15  Per Bothner  
12923
 
12924
        * tree.c: (last_annotated_node): Use source_locus typedef.
12925
        This permits bootstrapping with --enable-mapped-location.
12926
 
12927
2006-05-15  Zdenek Dvorak 
12928
 
12929
        PR tree-optimization/26830
12930
        * tree-into-ssa.c (struct ssa_name_info): Add age field.
12931
        (info_for_ssa_name, current_info_for_ssa_name_age,
12932
        blocks_to_update): New variables.
12933
        (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
12934
        (clear_ssa_name_info, initialize_flags_in_bb,
12935
        mark_block_for_update): New functions.
12936
        (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
12937
        (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
12938
        prepare_def_site_for): Use mark_block_for_update.
12939
        (mark_def_interesting): Assert that the processed block is marked in
12940
        blocks_to_update.  Do not take blocks argument.
12941
        (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
12942
        argument.
12943
        (rewrite_update_init_block, rewrite_update_stmt): Only process
12944
        blocks with statements to rewrite.
12945
        (delete_update_ssa): Do not clear SSA_NAME_AUX.
12946
        (update_ssa): Initialize and free blocks_to_update.  Do not
12947
        clear flags on statements.  Do not use blocks bitmap.
12948
        * tree.h (SSA_NAME_AUX): Removed.
12949
        (struct tree_ssa_name): Removed aux field.
12950
        * print-tree.c (print_node): Do not print SSA_NAME_AUX.
12951
 
12952
2006-05-15  Richard Guenther  
12953
 
12954
        PR tree-optimization/27603
12955
        * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
12956
        Do computations in original type.
12957
 
12958
2006-05-15  Mircea Namolaru  
12959
 
12960
        * see.c: Code style changes such as redundant paranthesis,
12961
        redundant intialization of local variables etc.
12962
        (see_main): Declared now as static.
12963
        * doc/invoke.texi: Update that -fsee is not enabled by
12964
        default at -O3.
12965
 
12966
2006-05-15  Jakub Jelinek  
12967
 
12968
        * omp-low.c (check_omp_nesting_restrictions): New function.
12969
        (scan_omp_1): Call it.
12970
 
12971
        PR middle-end/27416
12972
        * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
12973
        construct, return *VAR.
12974
 
12975
2006-05-14  Kaz Kojima  
12976
 
12977
        PR rtl-optimization/27406
12978
        * bt-load.c (migrate_btr_def): Skip the block having abnormal
12979
        edges.
12980
 
12981
2006-05-14  Roger Sayle  
12982
 
12983
        PR rtl-optimization/27538
12984
        * combine.c (expand_compound_operation): Call gen_lowpart
12985
        before calling simplify_shift_const.
12986
 
12987
2006-05-14  Roger Sayle  
12988
 
12989
        PR rtl-optimization/22563
12990
        * expmed.c (store_fixed_bit_field): When using AND and IOR to store
12991
        a fixed width bitfield, always force the intermediates into psuedos.
12992
 
12993
2006-05-14  Bernhard Fischer  
12994
 
12995
        PR 27501
12996
        * mkconfig.sh: Use operator = instead of == for test.
12997
 
12998
2006-05-13  Nick Clifton  
12999
 
13000
        * dwarf2out.c (dbx_reg_number): Check return value from
13001
        LEAF_REG_REMAP and only use it if it is valid.
13002
        (multiple_reg_loc_descriptor): Likewise.
13003
 
13004
2006-05-13  Richard Guenther  
13005
 
13006
        * config.host : Append i386/x-cygwin to
13007
        host_xmake_file.
13008
 
13009
2006-05-13  Steven Bosscher  
13010
 
13011
        * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
13012
        information attached to non-INSNs such as NOTEs.
13013
        (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
13014
 
13015
2006-05-12  Andreas Krebbel  
13016
 
13017
        * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
13018
        On contraint.
13019
        * config/s390/s390.md: Adjust comment describing On constraint.
13020
 
13021
2006-05-11  Jan Hubicka  
13022
 
13023
        * cgraphunit.c (decide_is_function_needed): Don't force always_inline
13024
        to be output at -O0.
13025
 
13026
2006-05-11  Volker Reichelt  
13027
 
13028
        PR middle-end/27384
13029
        * fold-const.c (size_binop): Move sanity check for arguments to
13030
        the beginning of the function.
13031
 
13032
        PR middle-end/27488
13033
        * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
13034
        expression.
13035
 
13036
2006-05-11  Richard Guenther  
13037
 
13038
        PR middle-end/27529
13039
        * fold-const.c (fold_unary): Handle intermediate conversion
13040
        to a pointer type like intermediate conversion to an integer
13041
        type in folding of (T1)(T2)var to var.
13042
        Match the code to the comment in the final conversion for
13043
        (T1)(T2)var to (T1)var regarding to type precision.  Rather
13044
        than disallow T1 being of pointer type, assert that both T1
13045
        and var are of pointer type or not.  Make sure not to fall
13046
        over the frontends lazyness wrt array to pointer decay though.
13047
 
13048
2006-05-10  Richard Earnshaw  
13049
 
13050
        * arm.c (arm_struct_value_rtx): Delete.
13051
        (TARGET_STRUCT_VALUE_RTX): Use the default definition.
13052
        (arm_init_cumulative_args): Always initialize nregs to zero.
13053
 
13054
2006-05-10  Richard Guenther  
13055
 
13056
        PR tree-optimization/27532
13057
        * tree-object-size.c (plus_expr_object_size): Fix typo.
13058
 
13059
2006-05-10  Kazu Hirata  
13060
 
13061
        PR target/24949
13062
        * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
13063
        ashrdi_const, ashrdi3): Use a scratch register.
13064
 
13065
2006-05-10  Richard Guenther  
13066
 
13067
        PR tree-optimization/27302
13068
        * fold-const.c (operand_equal_p): For two comparisons,
13069
        try comparison of one comparison code swapped if that yields
13070
        the same code.
13071
 
13072
2006-05-10  Ben Elliston  
13073
 
13074
        * tree-pretty-print.c (pretty_print_string): No need to handle
13075
        '\0' as a special character.
13076
 
13077
        * tree.h: Include "hashtab.h".
13078
        (iterative_hash_expr): Use hashval_t in its prototype.
13079
        * Makefile.in (TREE_H): Add $(HASHTAB_H).
13080
 
13081
2006-05-09  Steve Ellcey  
13082
 
13083
        PR bootstrap/26872
13084
        * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
13085
        (hppa*64*-*-hpux11*): Ditto.
13086
        (hppa[12]*-*-hpux11*): Ditto.
13087
 
13088
2006-05-09  David Edelsohn  
13089
 
13090
        PR target/26545
13091
        * config/rs6000/aix41.h (TARGET_64BIT): Define.
13092
 
13093
2006-05-09  Michael Matz  
13094
 
13095
        * config.host (): Set
13096
        host_extra_gcc_objs and host_xmake_file.
13097
        (<*-*-linux*>): Don't overwrite host_xmake_file.
13098
        * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
13099
        * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
13100
        (host_detect_local_cpu): Declare.
13101
        (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
13102
        * config/i386/i386.c (override_options): Handle -mtune=native
13103
        as -mtune=generic.
13104
        * config/i386/x-i386: New file.
13105
        * config/i386/driver-i386.c: New file.
13106
        * doc/invoke.texi (): Describe
13107
        cpu-type "native".
13108
 
13109
2006-05-09  Dirk Mueller  
13110
        Richard Guenther  
13111
 
13112
        PR middle-end/27498
13113
        * fold-const.c (fold_read_from_constant_string): Relax check
13114
        for matching types to matching modes.
13115
 
13116
2006-05-09  Zdenek Dvorak 
13117
 
13118
        PR rtl-optimization/27335
13119
        * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
13120
        loops.
13121
 
13122
2006-05-08  Chao-ying Fu  
13123
            Richard Sandiford  
13124
 
13125
        * config/mips/mips-ps-3d.md (scc_ps, s_ps): New patterns.
13126
        (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
13127
        * config/mips/mips.md (UNSPEC_SCC): New constant.
13128
        * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
13129
        * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
13130
        (mips_emit_compare): Use it.
13131
        (mips_expand_vcondv2sf): New function.
13132
 
13133
2006-05-08  Daniel Berlin  
13134
 
13135
        Fix PR tree-optimization/27093
13136
        * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
13137
        renaming when they become not-used_alone.
13138
 
13139
2006-05-08  John David Anglin  
13140
 
13141
        * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
13142
        relocation and relocation stubs.
13143
 
13144
2006-05-08  Eric Christopher  
13145
 
13146
        * unwind-dw2-fde-darwin.c (examine_objects): Only check data
13147
        section for ppc.
13148
 
13149
2006-05-08  Jan Hubicka  
13150
 
13151
        PR middle-end/24561
13152
        * cgraphunit.c (decide_is_function_needed): When not optimizing even
13153
        unused static functions are needed.
13154
 
13155
2006-05-08  Roger Sayle  
13156
 
13157
        PR target/27158
13158
        * reload.c (find_reloads_toplev): Only return the simplified SUBREG
13159
        of a reg_equiv_constant if the result is a legitimate constant.
13160
 
13161
2006-05-08  Uros Bizjak  
13162
 
13163
        PR target/27277
13164
        * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
13165
        standard 80387 constants, raise the cost to prevent
13166
        compress_float_constant() to generate load from memory.
13167
 
13168
2006-05-08  Kazu Hirata  
13169
 
13170
        * config/arm/constraints.md (c): Fix a typo.
13171
 
13172
        * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
13173
        typos.
13174
 
13175
2006-05-07  H.J. Lu  
13176
 
13177
        PR target/24879
13178
        * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
13179
        inline function.
13180
        (_mm_mwait): Likewise.
13181
 
13182
        * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
13183
        "mwait".
13184
        (sse3_monitor): Make it 32bit only.
13185
        (sse3_monitor64): New. 64bit monitor.
13186
 
13187
2006-05-07  Volker Reichelt  
13188
 
13189
        PR target/27421
13190
        * config/i386/i386.c (classify_argument): Skip fields with invalid
13191
        types.
13192
 
13193
2006-05-07  Richard Guenther  
13194
 
13195
        PR tree-optimization/27409
13196
        * tree-ssa-structalias.c (get_constraint_for_component_ref):
13197
        Do not try to find zero-sized subvars.
13198
 
13199
2006-05-07  Richard Guenther  
13200
 
13201
        PR tree-optimization/27136
13202
        * tree-ssa-loop-niter.c (get_val_for): Correct function
13203
        comment, assert requirements.
13204
        (loop_niter_by_eval): Stop processing if the iterated
13205
        value did not simplify.
13206
 
13207
2006-05-07  Mircea Namolaru  
13208
 
13209
        * opts.c (flag_see): remove its setting at -O3.
13210
 
13211
2006-05-07  Richard Earnshaw  
13212
 
13213
        * genpeep.c (main): Make insn-peep.c depend on flags.h.
13214
        * arm/constraints.md: New file.
13215
        * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
13216
        (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
13217
        (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
13218
        (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
13219
        (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
13220
        (EXTRA_MEMORY_CONSTRAINT): Likewise.
13221
        * arm.md: Include constraints.md.
13222
        (thumb_movsi_insn): Use satisfies_constraint_J.
13223
        (movhi, movqi): Use satisfies_constraint_I.
13224
 
13225
2006-04-29 Anatoly Sokolov 
13226
 
13227
        * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
13228
        for atmeg a645 device.
13229
 
13230
2006-05-06   Richard Guenther  
13231
 
13232
        PR tree-optimization/27151
13233
        * tree-vect-transform.c (vectorizable_condition): Punt on
13234
        values that have a different type than the condition.
13235
 
13236
2006-05-03  Aldy Hernandez  
13237
 
13238
        PR/21391
13239
        * c-parser.c (c_parser_cast_expression): Only insert casts into
13240
        hash table if pointer.
13241
        * function.c (used_types_insert_helper): Rename from
13242
        used_types_insert.
13243
        (used_types_insert): Call used_types_insert_helper.
13244
        * function.h (used_types_insert): Accept only one argument.
13245
 
13246
2006-05-05  David Edelsohn  
13247
 
13248
        * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
13249
        scratch with output modifier.
13250
 
13251
2006-05-04  David Edelsohn  
13252
 
13253
        PR target/26481
13254
        * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
13255
        with output modifier.
13256
 
13257
2006-05-04  Richard Sandiford  
13258
 
13259
        PR target/26765
13260
        * config/mips/mips.c (mips_symbolic_address_p): Return true
13261
        for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
13262
        SYMBOL_GOTTPREL, and SYMBOL_TLS.
13263
 
13264
2006-05-04  Richard Guenther  
13265
 
13266
        PR tree-optimization/14287
13267
        PR tree-optimization/14844
13268
        PR tree-optimization/19792
13269
        PR tree-optimization/21608
13270
        PR tree-optimization/27090
13271
        * tree-ssa-pre.c (try_combine_conversion): New function.
13272
        (compute_avail): After constructing the value-handle
13273
        expression, use try_combine_conversion to combine NOP_EXPRs
13274
        with previous value-handle expressions and use the result if it
13275
        is available.
13276
 
13277
2006-05-04  Joseph S. Myers  
13278
 
13279
        * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
13280
 
13281
2006-05-04  Jan Hubicka  
13282
 
13283
        PR middle-end/25962
13284
        * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
13285
 
13286
2006-05-04  Bernd Schmidt  
13287
 
13288
        * config/bfin/predicates.md (const01_rtx): Tell generator programs
13289
        that this only matches CONST_INTs.  All users changed to VOIDmode
13290
        operands.
13291
 
13292
        * config/bfin/bfin.c: Include "optabs.h".
13293
        (bfin_rtx_costs): Some costs for vector operations, to allow combine
13294
        to do more work.
13295
        (enum bfin_builtins): Add a number of fractional and vector builtins.
13296
        (bfin_init_builtins): Likewise.
13297
        (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
13298
        (safe_vector_operand, bfin_expand_binop_builtin,
13299
        bfin_expand_unop_builtin): New functions.
13300
        (bfin_expand_builtin): Handle the new builtins.
13301
        * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
13302
        __ADSPBLACKFIN__.
13303
 
13304
2006-05-04  Leehod Baruch  
13305
 
13306
        * see.c: New file.
13307
        * Makefile.in (OBJS-common): Add see.o.
13308
        (see.o): Add dependencies.
13309
        * common.opt (fsee): New flag for the see optimization was added.
13310
        * opts.c (flag_see): Initialized.
13311
        * passes.c (init_optimization_passes, pass_see): New pass.
13312
        * rtl.h (see_main): Declaration as extern.
13313
        * timevar.def (TV_SEE): New.
13314
        * tree-pass.h (pass_see): Declaration as extern.
13315
        * invoke.texi (-fsee): Document.
13316
        * recog.c (validate_simplify_insn): New function.
13317
        * recog.h (validate_simplify_insn): Declaration as extern.
13318
        * df-problems.c (df_chain_dump): Check for NULL.
13319
 
13320
2006-05-04  Kenneth Zadeck 
13321
            Daniel Berlin  
13322
 
13323
        * cfgrtl.c (insert_insn_bb_end_new): New function.
13324
        * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
13325
 
13326
2006-05-04  Leehod Baruch  
13327
 
13328
        * df.h (struct web_entry): Moved from web.c.
13329
        (union_defs): Declaration as extern.
13330
        (unionfind_root): Likewise.
13331
        (unionfind_union): Likewise.
13332
        * web.c (struct web_entry): Moved to df.h.
13333
        (unionfind_root): Remove static declaration.
13334
        (unionfind_union): Likewise.
13335
        (union_defs): Likewise and generalize to use callback function.
13336
        (web_main): Update arguments for union_defs function call.
13337
 
13338
2006-05-04  Richard Guenther  
13339
 
13340
        PR tree-optimization/26447
13341
        * tree-ssa-pre.c (realify_fake_stores): For necessary loads
13342
        produce SSA_NAME copies before the store stmt to avoid
13343
        breaking exception handling.
13344
 
13345
2006-05-04  Jakub Jelinek  
13346
 
13347
        PR middle-end/27388
13348
        * gimplify.c (omp_is_private): If var is shared in some outer context,
13349
        return false instead of true.  Stop searching on parallel context
13350
        boundary.
13351
 
13352
2006-05-03  Alexandre Oliva  
13353
 
13354
        PR java/8260
13355
        * coverage.c: Use get_gcov_unsigned_t() instead of
13356
        unsigned_type_node all over.
13357
 
13358
2006-05-02  Andrew MacLeod  
13359
 
13360
        PR tree-optimization/27381
13361
        * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
13362
        maintain the same immediate_use links.
13363
        * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
13364
        node rather than segfaulting.
13365
 
13366
2006-05-03  Jakub Jelinek  
13367
 
13368
        PR fortran/27395
13369
        * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
13370
        rather than TREE_CODE to OMP_CLAUSE_REDUCTION.  Set also GOVD_SEEN
13371
        bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
13372
 
13373
2006-05-02  Daniel Berlin  
13374
 
13375
        Fix PR tree-optimization/26626
13376
        * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
13377
        always.
13378
        * tree-ssa-operands.c (access_can_touch_variable): Allow
13379
        typecasting through union pointers.
13380
 
13381
2006-05-02  Jakub Jelinek  
13382
 
13383
        PR c++/26943
13384
        * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
13385
        (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
13386
        to find if var will be a global variable even in the nested context.
13387
        (omp_copy_decl): Only check for global variable at the end, it might
13388
        be overridden in outer contexts.
13389
        (scan_sharing_clauses): For global variables don't create a field.
13390
        (lower_rec_input_clauses): Do nothing for global shared variables.
13391
        Emit a barrier at the end of ILIST if there were any decls in both
13392
        firstprivate and lastprivate clauses.
13393
        (lower_send_clauses): Do nothing for global variables except for
13394
        COPYIN.
13395
 
13396
2006-05-02  Zdenek Dvorak 
13397
 
13398
        * tree.c (unsigned_type_for, signed_type_for): Make sure a type
13399
        of the correct signedness is returned.
13400
 
13401
2006-05-02  Jeff Law  
13402
 
13403
        PR tree-optimization/27364
13404
        * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
13405
        multiply expressions.
13406
 
13407
2006-05-02  Tom Tromey  
13408
 
13409
        * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
13410
 
13411
2006-05-02  Kazu Hirata  
13412
 
13413
        PR target/27387
13414
        * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
13415
        -mthumb -fPIC are used.
13416
 
13417
2006-05-02  Stanislaw Skowronek  
13418
            Joshua Kinard  
13419
 
13420
        PR target/25871
13421
        * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
13422
        with 64-bit pointers.
13423
 
13424
2006-05-02  Paul Brook  
13425
 
13426
        * config/arm/arm.c (add_minipool_forward_ref): Check if insn
13427
        and pool overlap.
13428
        (create_fix_barrier): Check that a suitable barrier location is
13429
        found.
13430
        (arm_reorg): Include ftmp->address in allowable range of addresses.
13431
 
13432
2006-05-02  David Billinghurst 
13433
 
13434
        PR ada/27366
13435
        * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
13436
        on Cygwin.
13437
 
13438
2006-05-02  Jakub Jelinek  
13439
 
13440
        PR middle-end/27337
13441
        * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
13442
        around RESULT_DECL for result passed by reference.
13443
        (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
13444
        * omp-low.c (use_pointer_for_field): Don't look at
13445
        DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
13446
        (scan_omp_1): Call remap_decl on RESULT_DECLs.
13447
        (lower_rec_input_clauses): Don't allocate VLA memory for the second
13448
        time or var for passing by reference for
13449
        OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses.  Allow creation of
13450
        TREE_ADDRESSABLE variables when passing by reference.
13451
 
13452
        * omp-low.c (dump_omp_region): Fix output formatting.
13453
 
13454
        PR middle-end/27328
13455
        * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
13456
        (expand_omp_parallel): Likewise.
13457
        * tree-cfg.c (move_sese_region_to_fn): Likewise.
13458
 
13459
        PR middle-end/27325
13460
        * omp-low.c (lower_omp_sections): Call maybe_catch_exception
13461
        on statement list containing also constructors and destructors.
13462
        (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
13463
 
13464
        PR middle-end/27310
13465
        * except.c (duplicate_eh_regions): Fix clearing of
13466
        cfun->eh->region_array entries.
13467
 
13468
2006-05-01  DJ Delorie  
13469
 
13470
        * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
13471
        build!=host.
13472
        (gcc_cv_objdump): Likewise.
13473
        * configure: Regenerated.
13474
 
13475
2006-05-01  Kazu Hirata  
13476
 
13477
        PR target/27374
13478
        * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
13479
        templates for case 3 and 4.
13480
 
13481
2006-05-01  DJ Delorie  
13482
 
13483
        * vec.c: Include bconfig.h when appropriate.
13484
        * Makefile.in (build/vec.o): Adjust dependencies.
13485
        * mkconfig.sh: Make sure config.h isn't used for build machine
13486
        compiles.
13487
 
13488
2006-05-01  Zdenek Dvorak 
13489
 
13490
        * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
13491
        variables.
13492
        (mark_phi_for_rewrite): New function.
13493
        (insert_phi_nodes_for, mark_use_interesting): Call
13494
        mark_phi_for_rewrite.
13495
        (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
13496
        (update_ssa): Initialize and free phis_to_rewrite.
13497
 
13498
2006-05-01  Zdenek Dvorak 
13499
 
13500
        PR rtl-optimization/27291
13501
        * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
13502
        folded to a constant.
13503
 
13504
2006-05-01  Zdenek Dvorak 
13505
 
13506
        PR tree-optimization/27283
13507
        * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
13508
        not whole # of iteration descriptions.
13509
        (niter_for_exit): Return just # of iterations.  Fail if # of iterations
13510
        uses abnormal ssa name.
13511
        (niter_for_single_dom_exit): Ditto.
13512
        (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
13513
        return just the number of iterations.
13514
 
13515
2006-05-01  Zdenek Dvorak 
13516
 
13517
        PR tree-optimization/27144
13518
        * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
13519
        (record_estimate): Only record constant upper bound.
13520
        (infer_loop_bounds_from_undefined): Call
13521
        compute_estimated_nb_iterations just once.
13522
        (proved_non_wrapping_p): Renamed to ...
13523
        (n_of_executions_at_most): ... this.  Expect bound to be a constant.
13524
        (convert_step_widening, scev_probably_wraps_p): Call
13525
        n_of_executions_at_most instead of proved_non_wrapping_p.
13526
        (substitute_in_loop_info): Do not replace values in bounds.
13527
        * cfgloop.h (struct nb_iter_bound): Remove "additional" field.  Update
13528
        comments.
13529
 
13530
2006-05-01  Richard Henderson  
13531
 
13532
        PR c/27358
13533
        * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
13534
        c_parser_skip_to_pragma_eol.  Convert to switch statement.  Handle
13535
        CPP_PRAGMA.
13536
 
13537
2006-05-01  Roger Sayle  
13538
 
13539
        * c-typeck.c (parser_build_binary_op): Don't call the function
13540
        unsigned_conversion_warning to spot operand/result type overflow.
13541
        (build_binary_op): Instead, call convert_and_check instead of
13542
        convert to report the problem when the operands are promoted.
13543
        * c-common.c (unsigned_conversion_warning): Make static.
13544
        * c-common.h (unsigned_conversion_warning): Delete prototype.
13545
 
13546
2006-05-01  Richard Guenther  
13547
 
13548
        PR tree-optimization/26726
13549
        * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
13550
        problem ...
13551
        (find_interesting_uses_address): ... we work around here
13552
        by folding INDIRECT_REFs in the substituted base.
13553
 
13554
2006-05-01  Diego Novillo  
13555
 
13556
        * omp-low.c (dump_omp_region): Add newlines.
13557
 
13558
2006-04-30  Roger Sayle  
13559
 
13560
        * common.opt (Woverflow): New command line option.
13561
        * c-common.c (constant_expression_warning): Check warn_overflow.
13562
        (overflow_waring): Pass OPT_Woverflow to warning.
13563
        (unsigned_conversion_warning): Likewise.
13564
        (convert_and_check): Likewise.
13565
        * doc/invoke.texi: Document new command line option.
13566
 
13567
2006-04-30  David Edelsohn  
13568
 
13569
        * config/rs6000/rs6000.c (rs6000_override_options): Enable
13570
        TARGET_NO_FP_IN_TOC for section anchors.
13571
        (optimization_options): Enable section anchors for all
13572
        non-"Objective" languages.
13573
 
13574
2006-04-28  Eric Christopher  
13575
 
13576
        * config/darwin-c.c (darwin_ms_struct): Move this
13577
        (darwin_set_default_type_attributes): and this...
13578
        * config/darwin.c: ... here.
13579
        * config/darwin.h (darwin_ms_struct): Declare.
13580
 
13581
2006-04-28  Andrew MacLeod  
13582
 
13583
        * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
13584
 
13585
2006-04-28  Roger Sayle  
13586
 
13587
        PR c/25309
13588
        * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
13589
        (push_array_bounds): Delete prototype.  Change BOUNDS argument to
13590
        an unsigned HOST_WIDE_INT.
13591
        (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
13592
        array index.
13593
        (really_start_incremental_init): No need to call convert because
13594
        bitsize_zero_node is already of type bitsizetype.
13595
        (push_init_level): Extract the value of constructor_index as an
13596
        unsigned HOST_WIDE_INT quantity, using tree_low_cst.
13597
        (process_init_element): Likewise.
13598
 
13599
2006-04-28  Joseph S. Myers  
13600
 
13601
        * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
13602
        value before passing to make_relative_prefix.
13603
 
13604
2006-04-28  Alan Modra  
13605
 
13606
        PR middle-end/27260
13607
        * builtins.c (expand_builtin_memset): Expand val in original mode.
13608
 
13609
2006-04-27  Eric Christopher  
13610
 
13611
        * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
13612
        with #ifndef/#endif.
13613
        * config/darwin-c.c (darwin_ms_struct): New.
13614
        (darwin_pragma_ms_struct): Ditto.
13615
        (darwin_set_default_type_attributes): Ditto.
13616
        * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
13617
        * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
13618
        Register ms_struct pragma.
13619
        * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
13620
        (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
13621
        * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
13622
        darwin_set_default_type_attributes if TARGET_MACHO.
13623
 
13624
2006-04-27  Andrew MacLeod  
13625
 
13626
        PR tree-optimization/26854
13627
        * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
13628
        * doc/tree-ssa.texi: Update immuse iterator documentation.
13629
        * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
13630
        * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
13631
        * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
13632
        first_safe_imm_use, next_safe_imm_use): Remove.
13633
        (end_imm_use_stmt_p): New.  Check for end of immuse stmt traversal.
13634
        (end_imm_use_stmt_traverse): New.  Terminate immuse stmt traversal.
13635
        (move_use_after_head): New.  Helper function to sort immuses in a stmt.
13636
        (link_use_stmts_after): New.  Link all immuses in a stmt consescutively.
13637
        (first_imm_use_stmt): New.  Get first stmt in an immuse list.
13638
        (next_imm_use_stmt): New.  Get next stmt in an immuse list.
13639
        (first_imm_use_on_stmt): New.  Get first immuse on a stmt.
13640
        (end_imm_use_on_stmt_p): New.  Check for end of immuses on a stmt.
13641
        (next_imm_use_on_stmt): New.  Move to next immuse on a stmt.
13642
        * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
13643
        * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
13644
        (perfect_nestify): Use new iterator.
13645
        * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
13646
        iterator.
13647
        * tree-flow.h (struct immediate_use_iterator_d): Add comments.
13648
        (next_imm_name): New field in struct immediate_use_iterator_d.
13649
        (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
13650
        (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
13651
        FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
13652
        * tree-cfg.c (replace_uses_by): Use new iterator.
13653
        * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
13654
        * tree-ssa-operands.c (correct_use_link): Remove.
13655
        (finalize_ssa_use_ops): No longer call correct_use_link.
13656
 
13657
2006-04-27  Stuart Hastings  
13658
 
13659
        * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
13660
        * config/t-darwin (crt3.o): Use it.
13661
        * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
13662
        'pmode', use Pmode instead of SImode for SYMBOL_REF.
13663
        * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
13664
        call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
13665
        call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
13666
        support.
13667
 
13668
2006-04-27  Roger Sayle  
13669
 
13670
        * expmed.c (store_fixed_bit_field): If we're not optimizing for
13671
        size, force the intermediate into a new pseudo rather instead of
13672
        performing both a bitwise AND and a bitwise IOR in memory.
13673
 
13674
2006-04-27  Richard Guenther  
13675
 
13676
        PR rtl-optimization/26685
13677
        * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
13678
        this one "max-flow-memory-locations".
13679
 
13680
2006-04-27  Richard Guenther  
13681
 
13682
        PR tree-optimization/25148
13683
        * tree-vrp.c (compare_values): Remove code dealing with
13684
        comparisons against type min/max value.  Honour overflow
13685
        and negative constants in code dealing with comparisons
13686
        of plus and minus expressions.
13687
        (value_inside_range): Use fold_binary with LE_EXPR and
13688
        GE_EXPR rather than compare_values.
13689
 
13690
2006-04-27  Dirk Mueller  
13691
 
13692
        * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
13693
        prototype for SSE.
13694
 
13695
2006-04-26  Kenneth Zadeck 
13696
 
13697
        * basic-block.h (safe_insert_insn_on_edge): Removed.
13698
        * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
13699
 
13700
2006-04-26  David Edelsohn  
13701
            Paolo Bonzini  
13702
 
13703
        PR middle-end/27282
13704
        * combine.c (simplify_and_const_int_1): Use gen_int_mode.
13705
        (simplify_and_const_int): Same.
13706
 
13707
2006-04-26  Aldy Hernandez  
13708
 
13709
        * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
13710
 
13711
2006-04-26  Jakub Jelinek  
13712
 
13713
        PR c/26171
13714
        * cgraph.c (cgraph_varpool_finalize_decl): Don't call
13715
        cgraph_varpool_assemble_pending_decls if -fopenmp, unless
13716
        cgraph_global_info_ready.
13717
 
13718
        PR middle-end/26913
13719
        * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
13720
 
13721
        PR c/25996
13722
        * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
13723
        either decl or init is error_mark_node.
13724
 
13725
        PR middle-end/25989
13726
        * tree-flow.h (struct omp_region): Add sched_kind.
13727
        * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
13728
        instead of extracting omp for data.
13729
        (expand_omp_for): Save extracted sched_kind.
13730
 
13731
2006-04-25  Roger Sayle  
13732
 
13733
        * expmed.c (store_bit_field): Also check whether the bitsize is
13734
        valid for the machine's "insv" instruction before moving the
13735
        target into a pseudo for use with the insv.
13736
        * config/i386/predicates.md (const8_operand): New predicate.
13737
        * config/i386/i386.md (extv, extzv, insv): Use the new
13738
        const8_operand predicate where appropriate.
13739
 
13740
2006-04-25  DJ Delorie  
13741
 
13742
        * doc/install.texi (Specific): Clarify that this is not a list of
13743
        supported hosts or targets.
13744
 
13745
2006-04-25  Richard Sandiford  
13746
 
13747
        PR rtl-optimization/26725
13748
        * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
13749
        block's BB_DIRTY flag.
13750
 
13751
2006-04-25  Geoffrey Keating  
13752
 
13753
        * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
13754
        are no branches.
13755
 
13756
        * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
13757
        to print an integer.
13758
 
13759
2006-04-25  David Edelsohn  
13760
 
13761
        * varasm.c (align_variable): New function.
13762
        (get_block_for_decl): Apply align_variable to DECL before
13763
        calculating section information.
13764
        (assemble_variable): Split out alignment computation.
13765
 
13766
2006-04-25  Andreas Krebbel  
13767
 
13768
        * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
13769
        machines.
13770
 
13771
2006-04-25  Bernd Schmidt  
13772
 
13773
        * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
13774
        MODE_PARTIAL_INT mode.
13775
        * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
13776
        * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
13777
        for CONST_INTs.
13778
        (hard_regno_mode_ok): V2PDImode is ok for accumulators.
13779
        * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
13780
        V2PDImode.
13781
        * config/bfin/predicates.md (const01_operand, vec_shift_operand):
13782
        New predicates.
13783
        * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
13784
        New constants.
13785
        (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
13786
        MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
13787
        MACFLAG_IH): Likewise.
13788
        (movstricthi_1): Renamed from "*movstricthi".
13789
        (load_accumulator, load_accumulator_pair, movsi_insv, insv,
13790
        ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
13791
        abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
13792
        movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
13793
        movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
13794
        movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
13795
        addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
13796
        sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
13797
        addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
13798
        mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
13799
        ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
13800
        flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
13801
        flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
13802
        flag_macv2hi_parts, flag_macv2hi_parts_acconly,
13803
        flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
13804
 
13805
        * doc/rtl.texi (ss_ashift): Improve wording.
13806
 
13807
2006-04-24  Geoffrey Keating  
13808
 
13809
        * dwarf2out.c (verify_marks_clear): New.
13810
        (prune_unused_types): Call verify_marks_clear initially, not
13811
        prune_unmark_dies.
13812
 
13813
2006-04-24  Bernd Schmidt  
13814
 
13815
        * rtl.def (SS_ASHIFT, SS_NEG): New codes.
13816
        * doc/rtl.texi: Document them.
13817
        * simplify-rtx.c (simplify_unary_operation,
13818
        simplify_binary_operation_1): Don't abort when we see them.
13819
 
13820
2006-04-24  Mark Mitchell  
13821
 
13822
        Revert:
13823
        2006-04-23  Mark Mitchell  
13824
        * configure.ac: Completely disregard languages that are not
13825
        enabled.
13826
        * configure: Regenerated.
13827
 
13828
2006-04-24  Andrew Pinski  
13829
        Richard Guenther  
13830
 
13831
        PR tree-optimization/27236
13832
        * tree-inline.c (copy_body_r): Make sure to copy
13833
        TREE_THIS_VOLATILE flag.
13834
 
13835
2006-04-24  Richard Guenther  
13836
 
13837
        PR middle-end/26869
13838
        * tree-complex.c (update_parameter_components): Don't handle
13839
        unused parameters which have no default def.
13840
 
13841
2006-04-24  Andrew Pinski  
13842
        Richard Guenther  
13843
 
13844
        PR tree-optimization/27218
13845
        * tree-inline.c (expand_call_inline): Strip useless type
13846
        conversions for the return slot address.
13847
 
13848
2006-04-24  Richard Guenther  
13849
 
13850
        * cfgloop.h (struct loops): Remove unused field array.  Reorder
13851
        state after num.
13852
        (LOOP_PREFETCH): Remove.
13853
 
13854
2006-04-24  Richard Guenther  
13855
 
13856
        PR tree-optimization/22525
13857
        * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
13858
        variable, adjust types of generated expressions.
13859
 
13860
2006-04-23  H.J. Lu  
13861
 
13862
        * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
13863
        (tree-vect-patterns.o): Likewise.
13864
        (jump.o): Likewise.
13865
        (cselib.o): Likewise.
13866
        (loop-doloop.o): Likewise.
13867
        (regclass.o): Likewise.
13868
        (reload1.o): Likewise.
13869
        (explow.o): Replace target.h with $(TARGET_H).
13870
        (ipa-prop.o): Likewise.
13871
        (ipa-cp.o): Likewise.
13872
        (ipa-inline.o): Likewise.
13873
        (reorg.o): Likewise.
13874
        (reg-stack.o): Likewise.
13875
 
13876
2006-04-23  Eric Botcazou  
13877
 
13878
        * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
13879
 
13880
2006-04-23  Mark Mitchell  
13881
 
13882
        * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
13883
 
13884
        * configure.ac: Completely disregard languages that are not
13885
        enabled.
13886
        * configure: Regenerated.
13887
 
13888
        PR c++/26534
13889
        * c-common.h (c_build_bitfield_integer_type): Declare.
13890
        * c-decl.c (c_build_bitfield_integer_type): Move to ...
13891
        * c-common.c (c_build_bitfield_integer_type): ... here.
13892
 
13893
2006-04-23  Roger Sayle  
13894
 
13895
        PR target/21283
13896
        * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
13897
        a SImode SUBREG of a floating point register after no_new_pseudos.
13898
 
13899
2006-04-23  Roger Sayle  
13900
 
13901
        * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
13902
        identify potentially eliminable registers to additionally catch
13903
        VIRTUAL_INCOMING_ARGS_REGNUM.
13904
        (addsi3): Update the conditions on when to use addsi_small_int.
13905
 
13906
2006-04-23  Roger Sayle  
13907
 
13908
        PR target/16641
13909
        * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
13910
        STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
13911
        rtx to stack_pointer_rtx or frame_pointer_rtx directly.
13912
 
13913
2006-04-23  Eric Botcazou  
13914
 
13915
        * fold-const.c (range_predecessor): Use operand_equal_p
13916
        as the predicate for equality.
13917
        (range_successor): Likewise.
13918
 
13919
2006-04-22  Kazu Hirata  
13920
 
13921
        Revert:
13922
        * config/soft-fp/op-common.h: Fix a typo.
13923
 
13924
2006-04-22  Frank Ch. Eigler  
13925
 
13926
        PR libmudflap/26864
13927
        * common.opt (flag_mudflap_threads): Overload flag_mudflap.
13928
        * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
13929
 
13930
2006-04-22  Kazu Hirata  
13931
 
13932
        * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
13933
        Fix comment typos.
13934
        * doc/tm.texi: Fix a typo.
13935
 
13936
2006-04-21  Geoffrey Keating  
13937
 
13938
        * dwarf2out.c (struct die_struct): Document that die_sib makes
13939
        a circular linked list.
13940
        (FOR_EACH_CHILD): New.
13941
        (reverse_die_lists): Delete.
13942
        (reverse_all_dies): Delete.
13943
        (add_dwarf_attr): Correct documentation.
13944
        (remove_child_with_prev): New.
13945
        (remove_child_TAG): Update for change to die_struct, use
13946
        remove_child_with_prev.
13947
        (add_child_die): Update for change to die_struct.
13948
        (splice_child_die): Use remove_child_with_prev and add_child_die.
13949
        (print_die): Use FOR_EACH_CHILD.
13950
        (die_checksum): Likewise.
13951
        (assign_symbol_names): Likewise.
13952
        (output_location_lists): Likewise.
13953
        (build_abbrev_table): Likewise.
13954
        (calc_die_sizes): Likewise.
13955
        (mark_dies): Likewise.
13956
        (unmark_dies): Likewise.
13957
        (unmark_all_dies): Likewise.
13958
        (output_die): Likewise.
13959
        (prune_unused_types_mark): Likewise.
13960
        (prune_unused_types_walk): Likewise.
13961
        (same_die_p): Update for change to die_struct.
13962
        (break_out_includes): Likewise.
13963
        (prune_unused_types_prune): Likewise.
13964
        (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
13965
        (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
13966
        it's already clear.
13967
        (dwarf2out_finish): Don't call reverse_all_dies.
13968
 
13969
2006-04-21  Eric Christopher  
13970
 
13971
        * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
13972
        in comments and function names.
13973
 
13974
2006-04-21  Volker Reichelt  
13975
 
13976
        PR c/25875
13977
        * c-typeck.c (digest_init): Robustify.
13978
 
13979
        * c-typeck.c (pop_init_level): Simplify.
13980
 
13981
2006-04-21  Steve Ellcey  
13982
 
13983
        * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
13984
 
13985
2006-04-21  Paul Brook  
13986
 
13987
        * config/arm/arm.c (arm_override_options): Error on iWMMXt and
13988
        hardware floating point.
13989
 
13990
2006-04-21  David Edelsohn  
13991
 
13992
        * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
13993
        NON_FLOAT_REGS.
13994
 
13995
2006-04-21  Nick Clifton  
13996
 
13997
        * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
13998
        OPT_EXTRA_PARTS.
13999
 
14000
2006-04-21  Alan Modra  
14001
 
14002
        PR target/27230
14003
        * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
14004
        C++ lang type in traceback table for Objective-C++.
14005
 
14006
        * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
14007
 
14008
2006-04-20  H.J. Lu  
14009
 
14010
        * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
14011
 
14012
2006-04-20  Volker Reichelt  
14013
 
14014
        PR mudflap/26789
14015
        * tree-mudflap.c (mudflap_finish_file): Skip function when there
14016
        were errors.  Remove check for erroneous objects.
14017
 
14018
2006-04-20  Jeff Law  
14019
 
14020
        PR tree-optimization/26854
14021
        * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
14022
        checking for zero or one use.
14023
        * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
14024
        * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
14025
        * tree-ssa-reassoc.c (negate_value): Similarly.
14026
        (reassociate_bb): Similarly.
14027
 
14028
2006-04-20  Jakub Jelinek  
14029
 
14030
        PR C/27558
14031
        * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
14032
        TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
14033
        than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
14034
 
14035
2006-04-20  Alan Modra  
14036
 
14037
        * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
14038
        fp regs if the last fp arg doesn't fit in regs.
14039
 
14040
2006-04-20  Kaz Kojima  
14041
 
14042
        PR target/27182
14043
        * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
14044
        that the last insn has the REG_INC note.
14045
 
14046
2006-04-19  Carlos O'Donell  
14047
            Nathan Sidwell  
14048
 
14049
        PR c/26774
14050
        * stor-layout.c (update_alignment_for_field): Do not align
14051
        ERROR_MARK nodes.
14052
        (place_union_field): Place union field at the start of the union.
14053
        (place_field): Move ERROR_MARK check later, and use the current
14054
        allocation position to maintain monotonicity.
14055
 
14056
2006-04-19  Zdenek Dvorak 
14057
 
14058
        * dominance.c: Include timevar.h.
14059
        (calculate_dominance_info): Use TV_DOMINANCE.
14060
        * timevar.def (TV_DOMINANCE): New timevar.
14061
        * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
14062
 
14063
2006-04-19  Andreas Krebbel  
14064
 
14065
        PR rtl-optimization/14261
14066
        * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
14067
        move would be an INSV insn.
14068
        (noce_process_if_block): Don't optimize if the destination is a
14069
        ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
14070
 
14071
2006-04-19  Andreas Krebbel  
14072
 
14073
        * config/s390/s390.md: Add comments with the instructions emitted
14074
        by an insn pattern if macros are used.
14075
 
14076
2006-04-19  Alan Modra  
14077
 
14078
        PR rtl-optimization/26026
14079
        * fold-const.c (fold_binary): Optimize div and mod where the divisor
14080
        is a known power of two shifted left a variable amount.
14081
 
14082
2006-04-18  Geoffrey Keating  
14083
 
14084
        * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
14085
        to hash table twice when the debug_str section has SECTION_MERGE.
14086
 
14087
2006-04-18  Joseph S. Myers  
14088
 
14089
        * config/soft-fp: New directory.  From glibc.
14090
        * config/soft-fp/t-softfp: New.
14091
        * config/soft-fp/README: New.
14092
        * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
14093
        * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
14094
        (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
14095
        (LIBGCC_DEPS): Add $(SFP_MACHINE).
14096
        * config.gcc: Use rs6000/t-fprules-fpbit or
14097
        rs6000/t-fprules-softfp and soft-fp/t-softfp together with
14098
        rs6000/t-fprules.
14099
        * config/rs6000/sfp-machine.h: New.  Based on glibc.
14100
        * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
14101
        New.
14102
        * config/rs6000/t-fprules: Remove fp-bit rules.
14103
        * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
14104
        * config/rs6000/t-linux64: Likewise.  Remove duplicates from
14105
        LIB2FUNCS_EXTRA.  Remove fp-bit rules.
14106
        (softfp_wrap_start, softfp_wrap_end): New.
14107
 
14108
2006-04-18  DJ Delorie  
14109
 
14110
        * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
14111
 
14112
2006-04-18  Devang Patel  
14113
 
14114
        * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
14115
 
14116
2006-04-18  Nick Clifton  
14117
 
14118
        * config/sh/t-symbian: Add rule to build sh-c.o
14119
        * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
14120
        of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
14121
        (sh_symbian_encode_section_info): Likewise.
14122
 
14123
2006-04-18  Andreas Krebbel  
14124
 
14125
        * builtins.c (expand_builtin_strcmp): Cover label definition of
14126
        do_libcall with HAVE_cmpstrnsi.
14127
 
14128
2006-04-18  Kazu Hirata  
14129
 
14130
        * function.c (temp_slots_at_level, max_slot_level): Use VEC
14131
        instead of VARRAY.
14132
        * function.h (temp_slot_p): New.
14133
        (function): Change the type of x_used_temp_slots to
14134
        VEC(temp_slot_p,gc) *.
14135
 
14136
2006-04-18  Nick Clifton  
14137
 
14138
        * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
14139
        flag_strength_reduce.
14140
 
14141
        * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
14142
 
14143
2006-04-18  Paolo Bonzini  
14144
 
14145
        PR target/27117
14146
 
14147
        Partial revert of revision 112637
14148
        2006-04-03  Paolo Bonzini  
14149
                    Dale Johannesen  
14150
 
14151
        PR target/19653
14152
        * regclass.c (struct reg_pref): Update documentation.
14153
        (regclass): Set prefclass to NO_REGS if memory is the best option.
14154
        (record_reg_classes): Cope with a prefclass set to NO_REGS.
14155
 
14156
2006-04-18  Paolo Bonzini  
14157
 
14158
        PR tree-optimization/26821
14159
        * tree-ssa-math-opts.c (get_constant_one): New.
14160
        (insert_reciprocals): Use it.
14161
 
14162
2006-04-17  Geoffrey Keating  
14163
 
14164
        * dwarf2out.c (free_AT): Delete.
14165
        (remove_AT): Update string ref counts.
14166
        (remove_child_TAG): Don't call free_die.
14167
        (free_die): Delete.
14168
        (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
14169
        or DW_TAG_GNU_EINCL.
14170
        (prune_unused_types_walk_attribs): Reset string refcounts.
14171
        (prune_unused_types_update_strings): New.
14172
        (prune_unused_types_prune): Don't make unnecessary stores.  Don't
14173
        call free_die.  Do call prune_unused_types_update_strings.
14174
        (prune_unused_types): Empty debug_str_hash.
14175
 
14176
2006-04-17  Roger Sayle  
14177
 
14178
        * expr.c (expand_assignment): Optimize away no-op moves where the
14179
        source and destination are equal and have no side-effects.
14180
 
14181
2006-04-17  Richard Guenther  
14182
 
14183
        PR target/26826
14184
        * reload.c (push_reload): Guard calls to get_secondary_mem
14185
        for memory subregs.
14186
 
14187
2006-04-16  Kazu Hirata  
14188
 
14189
        * alias.c (reg_base_value, old_reg_base_value): Change the
14190
        type to VEC(rtx,gc) *.
14191
        (REG_BASE_VALUE, find_base_value, record_set,
14192
        init_alias_analysis): Use VEC instead of VARRAY.
14193
 
14194
        * alias.c (alias_sets): Change the type to
14195
        VEC(alias_set_entry,gc) *.
14196
        (get_alias_set_entry, new_alias_set, record_alias_subset): Use
14197
        VEC instead of VARRAY.
14198
        (last_alias_set): Remove.
14199
 
14200
        * cgraph.h (cgraph_edge_p): New.
14201
        Update the prototype of cgraph_function_versioning.
14202
        * cgraphunit.c (cgraph_copy_node_for_versioning,
14203
        cgraph_function_versioning): Use VEC instead of VARRAY.
14204
        * ipa-cp.c (ipcp_insert_stage): Likewise.
14205
 
14206
2006-04-16  Roger Sayle  
14207
 
14208
        PR target/26961
14209
        * fold-const.c (fold_ternary): When converting "A ? B : C" into either
14210
        "A op B" or "A op C", we may need to convert A to the type of B and C.
14211
 
14212
2006-04-16  Adam Nemet  
14213
 
14214
        * target.h (struct gcc_target): Add mode_rep_extended.
14215
        * rtlanal.c (num_sign_bit_copies_in_rep): New global.
14216
        (init_num_sign_bit_copies_in_rep): Initialize it using
14217
        mode_rep_extended.
14218
        (truncate_to_mode): Use it.
14219
        (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
14220
        * targhooks.h (default_mode_rep_extended): Declare it.
14221
        * targhooks.c (default_mode_rep_extended): Define it.
14222
        * target-def.h (TARGET_MODE_REP_EXTENDED): New macro.  Default to
14223
        default_mode_rep_extended.
14224
        (TARGET_INITIALIZER): Include it.
14225
        * doc/tm.texi (Misc): Document it.
14226
        * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
14227
        (mips_truncated_to_mode): New function.
14228
 
14229
2006-04-16  Roger Sayle  
14230
 
14231
        PR middle-end/25474
14232
        * expr.c (compress_float_constant): Copy the narrow constant into
14233
        a new pseudo before extending it to its final width.
14234
 
14235
2006-04-16  Roger Sayle  
14236
            Andrew Pinski  
14237
            Dale Johannesen  
14238
 
14239
        PR target/24076
14240
        * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
14241
        special case code to implement V8HImode and V16QImode with SSE2.
14242
 
14243
2006-04-15  Roger Sayle  
14244
 
14245
        * config/i386/i386.c (ix86_va_start): Ensure all integer constant
14246
        trees are constructed with a suitable tree type.
14247
 
14248
2006-04-15  Roger Sayle  
14249
 
14250
        * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
14251
        (integer_onep): Likewise.
14252
        (integer_all_onesp): Likewise.
14253
        (integer_pow2p): Likewise.
14254
        (integer_nonzerop): Likewise.
14255
        (real_zerop): Likewise.
14256
        (real_onep): Likewise.
14257
        (real_twop): Likewise.
14258
        (real_minus_onep): Likewise.
14259
        (int_size_in_bytes): Likewise.
14260
        (host_integerp): Likewise.
14261
 
14262
2006-04-15  Kazu Hirata  
14263
 
14264
        * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
14265
        jump.c, mips-tfile.c, omp-low.c, sched-int.h,
14266
        tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
14267
 
14268
        * tree-ssa-structalias.h (alias_info): Remove num_references.
14269
 
14270
2006-04-15  John David Anglin  
14271
 
14272
        * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
14273
        (output_bvb patterns): Likewise.
14274
        * pa.c (output_bb): Use 'bb' insn for long branch case.
14275
        (output_bvb): Likewise use '{bvb|bb}' for long branch case.
14276
        (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
14277
        1.  Correct length operand for alternatives 1 and 2.
14278
        (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
14279
        1, 2 and 3.  Correct length operand for alternatives 1, 2 and 3.
14280
 
14281
2006-04-14  Roger Sayle  
14282
 
14283
        * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
14284
        is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
14285
        were accidentally reverted by r112959.
14286
 
14287
2006-04-15  Jakub Jelinek  
14288
 
14289
        PR middle-end/26823
14290
        * except.h (eh_region_outermost): New prototype.
14291
        * except.c (eh_region_outermost): New function.
14292
        * tree-cfg.c (find_outermost_region_in_block): Use it.
14293
 
14294
2006-04-14  Kazu Hirata  
14295
 
14296
        * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
14297
        of VARRAY.
14298
        * reload1.c (reg_equiv_memory_loc_varray): Rename to
14299
        reg_equiv_memory_loc_vec.  Change the type to VEC(rtx,gc) *.
14300
        (init_reload, reload): Use VEC instead of VARRAY.
14301
        * reload.h: Update the prototype for
14302
        reg_equiv_memory_loc_varray.
14303
 
14304
2006-04-14  Alexey Starovoytov  
14305
            Eric Botcazou  
14306
 
14307
        * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
14308
        register save area.
14309
 
14310
2006-04-13  Uros Bizjak  
14311
 
14312
        PR middle-end/27134
14313
        * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
14314
        to expand fallback builtin function call.
14315
 
14316
2006-04-14  Alan Modra  
14317
 
14318
        PR middle-end/27095
14319
        * builtins.c: (expand_builtin_memset): Stabilize args before expansion
14320
        and emit libcall here in case the builtin fails.
14321
        (expand_builtin_strcmp): Always emit the libcall here on failure.
14322
 
14323
2006-04-14  Kazu Hirata  
14324
 
14325
        * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
14326
        * flow.c (reg_n_info): Change the type to
14327
        VEC(reg_info_p,heap) *.
14328
        * regclass.c (allocate_reg_info, free_reg_info): Use VEC
14329
        instead of VARRAY.
14330
        * regs.h (reg_info_p): New.
14331
        (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
14332
        REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
14333
        REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
14334
        instead of VARRAY.
14335
 
14336
2006-04-13  Eric Botcazou  
14337
 
14338
        * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
14339
        defaulting to 100.
14340
        * params.h (MAX_SCHED_READY_INSNS): New macro.
14341
        * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
14342
        past MAX_SCHED_READY_INSNS during the first scheduling pass.
14343
        (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
14344
        the ready list for 1 cycle during the first scheduling pass.
14345
        * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
14346
 
14347
2006-04-13  Richard Henderson  
14348
 
14349
        PR libgomp/26651
14350
        * gimple-low.c (lower_omp_directive): Remove dead code.
14351
        (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
14352
        * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
14353
        * omp-low.c (struct omp_region): Move to tree-flow.h.
14354
        (root_omp_region): Export.
14355
        (omp_regions, lookup_omp_region): Remove.
14356
        (determine_parallel_type): Update for struct omp_region changes.
14357
        (dump_omp_region): Dump regions with block numbers.
14358
        (new_omp_region): Take type and block instead of stmt; malloc
14359
        instead of ggc.
14360
        (free_omp_region_1, free_omp_regions): New.
14361
        (expand_parallel_call): Take entry_stmt as argument; update for
14362
        changes to omp_region.
14363
        (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
14364
        (remove_exit_barriers): New.
14365
        (expand_omp_parallel): Update for struct omp_region changes.
14366
        (expand_omp_synch): Likewise.
14367
        (expand_omp): Likewise.
14368
        (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
14369
        (expand_omp_for_static_chunk): Likewise.
14370
        (expand_omp_for): Likewise.
14371
        (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
14372
        (expand_omp_sections): Similarly, with GOMP_sections_end.
14373
        (expand_omp_single): New.
14374
        (build_omp_regions_1): Update for OMP_CONTINUE.
14375
        (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
14376
        (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
14377
        OMP_SECTIONS_SECTIONS.
14378
        (lower_omp_single_simple): Don't emit barrier here.
14379
        (lower_omp_single_copy): Likewise.
14380
        (lower_omp_single): Fix bindings, and lower to straightline now.
14381
        (lower_omp_master, lower_omp_ordered): Likewise.
14382
        (lower_omp_critical): Likewise.
14383
        (lower_omp_for): Likewise.  Emit OMP_CONTINUE.
14384
        * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
14385
        omp edges, free it afterward.
14386
        (make_omp_sections_edges): Remove.
14387
        (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
14388
        (move_stmt_r): Handle OMP_CONTINUE.
14389
        * tree-flow.h (struct omp_region): Move from omp-low.c.  Switch
14390
        statement pointers to basic blocks.  Add type member.
14391
        (root_omp_region, new_omp_region, free_omp_regions): Declare.
14392
        * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
14393
        * tree-inline.c (estimate_num_insns_1): Likewise.
14394
        * tree-pretty-print.c (dump_generic_node): Likewise.
14395
        * tree-ssa-operands.c (get_expr_operands): Likewise.
14396
        * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
14397
        (OMP_RETURN): Rename from OMP_RETURN_EXPR.
14398
        (OMP_CONTINUE): New.
14399
        * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
14400
        (OMP_SECTIONS_SECTIONS): Remove.
14401
        (OMP_SECTION_LAST): New.
14402
        (OMP_RETURN_NOWAIT): New.
14403
 
14404
2006-04-13  Roger Sayle  
14405
 
14406
        * fold-const.c (native_encode_vector, native_interpret_real):
14407
        Correct obvious mistakes in the previous check-in.
14408
 
14409
2006-04-13  Roger Sayle  
14410
 
14411
        * fold-const.c (native_encode_expr): New function to encode
14412
        the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
14413
        or VECTOR_CST into a specified buffer.
14414
        (native_encode_int): New function.
14415
        (native_encode_real): New function.
14416
        (native_encode_complex): New function.
14417
        (native_encode_vector): New function.
14418
        (native_interpret_expr): Inverse of native_encode_expr to convert
14419
        a target representation into an INTEGER_CST, REAL_CST etc...
14420
        (native_interpret_int): New function.
14421
        (native_interpret_real): New function.
14422
        (native_interpret_complex): New function.
14423
        (native_interpret_vector): New function.
14424
        (fold_view_convert_expr): New function to constant fold/evaluate
14425
        a VIEW_CONVERT_EXPR of a suitable constant expression.
14426
        (fold_unary) : Call fold_view_convert_expr.
14427
        Change call of build1 to fold_build1 when constructing a
14428
        VIEW_CONVERT_EXPR.
14429
 
14430
2006-04-13  Paolo Bonzini  
14431
            Ulrich Weigand  
14432
 
14433
        PR target/27006
14434
        * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
14435
        to be even.
14436
 
14437
2006-04-13  Alan Modra  
14438
 
14439
        PR target/26459
14440
        * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
14441
        optimize to lo_sum for DFmode if !TARGET_FPRS.
14442
 
14443
2006-04-12  Kazu Hirata  
14444
 
14445
        * tree-ssa-alias.c (set_initial_properties, init_alias_info,
14446
        delete_alias_info, compute_flow_sensitive_aliasing,
14447
        group_aliases): Use VEC instead of VARRAY.
14448
        * tree-ssa-structalias.c (update_alias_info): Likewise.
14449
        * tree-ssa-structalias.h (alias_info): Change the type of
14450
        processed_ptrs to VEC(tree,heap) *.
14451
 
14452
2006-04-12  J"orn Rennecke 
14453
 
14454
        PR target/27060
14455
        * config/sh/lib1funcs.h: New file, broken out of:
14456
        * config/sh/lib1funcs.asm.
14457
        * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
14458
        New macros.
14459
        * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
14460
        * config/sh/lib1funcs-Os-4-200.asm: New file.
14461
        * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
14462
        * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
14463
        (EXTRA_MULTILIB_PARTS): Include it.
14464
        ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
14465
        ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
14466
        * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
14467
        * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
14468
        TARGET_SH2.
14469
 
14470
2006-04-12  Kazu Hirata  
14471
 
14472
        * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
14473
        * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
14474
        tpa_compact, root_var_init, type_var_init): Use VEC instead of
14475
        VARRAY.
14476
        * tree-ssa-live.h: Include vecprim.h.
14477
        (tree_partition_associator_d): Change the type of
14478
        first_partition to VEC(int,heap) *.
14479
        (tpa_first_partition): Use VEC instead of VARRAY.
14480
 
14481
        * Makefile.in (GTFILES): Move functions.h after tree.h.
14482
        * function.c (reset_block_changes, record_block_change,
14483
        check_block_change, free_block_changes): Use VEC instead of
14484
        VARRAY.
14485
        * function.h (function): Change the type of
14486
        ib_boundaries_block to VEC(tree,gc) *.
14487
        * tree-inline.c (copy_cfg_body): Initialize
14488
        ib_boundaries_block to NULL instead of (varray_type) 0.
14489
 
14490
2006-04-12  Roger Sayle  
14491
 
14492
        * expr.c (emit_group_store): Correct operand order in call to
14493
        subreg_lowpart_offset.  Always create paradoxical SUBREGs with
14494
        a SUBREG_BYTE of zero.
14495
 
14496
2006-04-12  Richard Guenther  
14497
 
14498
        * profile.c (compute_branch_probabilities): Remove code
14499
        encapsulated in !ir_type (), which are remanents of the
14500
        removed RTL profiling code.
14501
        * rtl-profile.c: Remove.
14502
 
14503
2006-04-12  Alan Modra  
14504
 
14505
        * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
14506
        magic NULL_RTX comment.
14507
        (function_arg): Store entire fp arg to mem if any part should go
14508
        on stack.
14509
        (rs6000_arg_partial_bytes): Adjust for above change.
14510
 
14511
2006-04-11  Roger Sayle  
14512
 
14513
        * dwarf2out.c (output_call_frame_info): Create debug_frame_section
14514
        if it hasn't been initialized by dwarf2out_init.
14515
 
14516
2006-04-11  John David Anglin  
14517
 
14518
        * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
14519
        symbolic constants in branch patterns.
14520
 
14521
2006-04-11  Roger Sayle  
14522
 
14523
        * caller-save.c: #include "addresses.h" after #include "tm_p.h".
14524
 
14525
2006-04-11  Richard Sandiford  
14526
 
14527
        PR rtl-optimization/27073
14528
        * gcse.c (try_replace_reg): Revert last change.  Continue to search
14529
        for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
14530
        on the former.
14531
 
14532
2006-04-11  Eric Botcazou  
14533
 
14534
        * config/sparc/sparc.c (function_arg_slotno) : Handle
14535
        aggregate types other than record and union types.
14536
        (function_arg): Likewise.
14537
        (function_arg_pass_by_reference): In 64-bit mode, return 0 for
14538
        small arrays.
14539
        (function_value): In 64-bit mode, return objects that require it
14540
        in FP registers.
14541
 
14542
2006-04-11  Roger Sayle  
14543
 
14544
        * dwarf2out.c (premark_used_types): Remove problematic prototype.
14545
 
14546
2006-04-11  Jakub Jelinek  
14547
 
14548
        * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
14549
 
14550
2006-04-03  Jeff Law  
14551
 
14552
        PR/27087
14553
        * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
14554
        alias information too.
14555
 
14556
2006-04-10  Mike Frysinger  
14557
 
14558
        * Makefile.in (gcc-cross): Add $(exeext) to target name.
14559
 
14560
2006-04-10  Aldy Hernandez  
14561
 
14562
        PR/21391
14563
        * dwarf2out.c (struct die_struct): Add die_perennial_p field.
14564
        (premark_used_types_helper): New.
14565
        (premark_used_types): New.
14566
        (gen_subprogram_die): Call premark_used_types.
14567
        (prune_unused_types_walk): Do not prune perennial dies.
14568
        * function.c (used_types_insert): New.
14569
        * function.h (struct function): Add used_types_hash field.
14570
        (used_types_insert): Add prototype.
14571
        * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
14572
        * c-parser.c (c_parser_cast_expression): Save casted types in used
14573
        types hash table.
14574
 
14575
2006-04-11  Mark Mitchell  
14576
 
14577
        PR target/26459
14578
        * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
14579
        rs6000_explicit_options.float_gprs.
14580
 
14581
2006-04-10  Roger Sayle  
14582
 
14583
        * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
14584
        from ix86_expand_vector_init_low_nonzero.  Take an additional
14585
        one_var argument indicating which element is non-zero.  Support
14586
        one_var != 0 for V4SFmode and V4SImode by permuting the result.
14587
        (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
14588
        with one_var instead of ix86_expand_vector_init_low_nonzero.
14589
 
14590
2006-04-10  Kazu Hirata  
14591
 
14592
        * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
14593
        tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
14594
        global.o, cfglayout.o, lambda-code.o, reg-stack.o,
14595
        build/genextract.o): Depend on vecprim.h.
14596
        * cfglayout.c, df-problems.c, function.c, genextract.c,
14597
        global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
14598
        tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
14599
        vecprim.h.
14600
        * vecprim.h: New.
14601
 
14602
2006-04-10  Geoffrey Keating  
14603
 
14604
        * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
14605
        Declare VECs of this type.
14606
        (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
14607
        (remove_children): Delete.
14608
        (add_dwarf_attr): Use VEC routines.
14609
        (add_AT_flag): Update for changes to add_dwarf_attr.
14610
        (add_AT_int): Likewise.
14611
        (add_AT_unsigned): Likewise.
14612
        (add_AT_long_long): Likewise.
14613
        (add_AT_vec): Likewise.
14614
        (add_AT_string): Likewise.
14615
        (add_AT_die_ref): Likewise.
14616
        (add_AT_fde_ref): Likewise.
14617
        (add_AT_loc): Likewise.
14618
        (add_AT_loc_list): Likewise.
14619
        (add_AT_addr): Likewise.
14620
        (add_AT_lbl_id): Likewise.
14621
        (add_AT_lineptr): Likewise.
14622
        (add_AT_macptr): Likewise.
14623
        (add_AT_offset): Likewise.
14624
        (add_AT_range_list): Likewise.
14625
        (get_AT): Use VEC_iterate.
14626
        (remove_AT): Use VEC_ordered_remove.
14627
        (free_die): Fold remove_children into here; have it use VEC_iterate.
14628
        (print_die): Use VEC_iterate on attrs.
14629
        (reverse_die_lists): Don't reverse attr lists.
14630
        (die_checksum): Use VEC_iterate on attrs.
14631
        (same_die_p): Likewise.
14632
        (output_location_lists): Likewise.
14633
        (build_abbrev_table): Likewise.
14634
        (size_of_die): Likewise.
14635
        (unmark_all_dies): Likewise.
14636
        (output_abbrev_section): Likewise.
14637
        (output_die): Likewise.
14638
        (prune_unused_types_walk_attribs): Likewise.
14639
 
14640
2006-04-10  Eric Botcazou  
14641
 
14642
        * doc/install.texi (*-*-solaris2*): Point to the configure page.
14643
 
14644
2006-04-10  Jakub Jelinek  
14645
 
14646
        PR debug/27057
14647
        * dwarf2out.c (is_symbol_die): Return true also for namespaces.
14648
 
14649
2006-04-09  Roger Sayle  
14650
 
14651
        * expr.c (store_constructor): Don't bother clearing target if
14652
        we're about to assign a vector to it using vec_init_optab.
14653
 
14654
2006-04-10 Daniel Berlin  
14655
 
14656
        * tree-ssa-alias.c (lhs_may_store_to): New function.
14657
        (recalculate_used_alone): Handle LHS of calls.
14658
 
14659
2006-04-09  John David Anglin  
14660
 
14661
        PR target/27034
14662
        PR target/26508
14663
        * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
14664
        * pa64-hpux.h (LIB_SPEC): Correct typo.  Don't append milli.a.
14665
        (LINK_GCC_C_SEQUENCE_SPEC): Define.  Append milli.a here.
14666
        (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
14667
        (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
14668
        (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
14669
        section.  Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
14670
        stubs.  Add ".align 8" directives before all ".dword" directives.
14671
        (GTHREAD_USE_WEAK): Revise comment.
14672
        (TARGET_ATTRIBUTE_WEAK): Define.
14673
        * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
14674
        dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
14675
        * stublib.c: New file.
14676
 
14677
        PR target/26743
14678
        PR target/11254
14679
        PR target/10274
14680
        * pa.md (cbranch patterns): Revise arguments used in calls to
14681
        output_cbranch, output_bb and output_bvd.  Add long branch length
14682
        attributes.
14683
        (fbranch patterns): Handle long branches.
14684
        (jump): Revise length check.  Revise arguments for output_lbranch call.
14685
        Add long branch length attributes.
14686
        (decrement_and_branch_until_zero): Add long branch length attributes.
14687
        (output_movb, output_parallel_addb and output_parallel_movb patterns):
14688
        Likewise.  Revise arguments for output_parallel_addb and
14689
        output_parallel_movb calls.
14690
        * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
14691
        output_parallel_movb and output_parallel_addb): Update prototypes.
14692
        * pa.c (output_cbranch): Revise arguments.  Correct handling of
14693
        nullification in long branches.
14694
        (output_lbranch): Add new argument to control extraction of delay
14695
        instruction.
14696
        (output_bb): Handle long branches.
14697
        (output_bvb, output_dbra, output_movb, output_parallel_movb,
14698
        output_parallel_addb): Likewise.
14699
 
14700
2006-04-09  Richard Sandiford  
14701
 
14702
        PR rtl-optimization/27073
14703
        * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
14704
        not REG_EQUIVs.
14705
 
14706
2006-04-08  Daniel Berlin  
14707
 
14708
        * tree.h (tree_memory_tag): Add old_used_alone.
14709
        (SMT_OLD_USED_ALONE): New macro.
14710
        * tree-ssa-alias.c (recalculate_used_alone): Stop
14711
        marking things for renaming unnecessarily.
14712
 
14713
2006-04-08  Kazu Hirata  
14714
 
14715
        * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
14716
        config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
14717
        config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
14718
        haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
14719
        sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
14720
        tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
14721
        tree-vect-patterns.c, tree-vrp.c: Fix comment typos.  Follow
14722
        spelling convensions.
14723
        * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
14724
        doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
14725
        typos.  Follow spelling conventions.
14726
 
14727
2006-04-07  DJ Delorie  
14728
 
14729
        * config/m32c/m32c.c (m32c_function_arg): Structures are always
14730
        passed on the stack.
14731
        (m32c_init_cumulative_args): When a function returns a structure,
14732
        always pass the pointer to that return area on the stack.
14733
        (m32c_function_arg_advance): Don't increment the parameter number
14734
        if we're processing the returned structure pointer.
14735
        (pushm_info): Reverse order of registers.
14736
 
14737
2006-04-07  Sebastian Pop  
14738
 
14739
        * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
14740
        assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14741
        number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
14742
        estimate_numbers_of_iterations_loop): Use build_int_cst instead of
14743
        build_int_cst_type.
14744
        * tree-chrec.c (chrec_fold_multiply_poly_poly,
14745
        chrec_fold_multiply): Same.
14746
        * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
14747
        force_expr_to_var_cost): Same.
14748
        * tree-mudflap.c (mf_xform_derefs_1): Same.
14749
        * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
14750
 
14751
2006-04-07  David Edelsohn  
14752
 
14753
        * config/rs6000/rs6000.c (rs6000_rtx_costs) : Do not
14754
        treat CONST_DOUBLE as INTVAL.  and64_2_operands require an extra
14755
        insn.
14756
 
14757
2006-04-07  Jan Hubicka  
14758
 
14759
        * ipa-inline.c (cgraph_early_inlining): Collect garbage.
14760
 
14761
2006-04-07  Richard Guenther  
14762
 
14763
        PR tree-optimization/26135
14764
        * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
14765
        loads for store copy-prop.
14766
        (copy_prop_visit_stmt): Likewise.
14767
 
14768
2006-04-05  Robert Millan  
14769
 
14770
        * config/i386/linux.h: Add a comment to mark macros that are
14771
        being overriden in config/k*bsd-gnu.h.
14772
        * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
14773
        DYNAMIC_LINKER.
14774
        * config/knetbsd-gnu.h: Ditto.
14775
 
14776
2006-04-06  Jan Hubicka  
14777
 
14778
        PR profile/20815
14779
        PR profile/26399
14780
        * coverage.c (coverage_checksum_string): Reorganize loop to not read
14781
        after buffer.
14782
 
14783
2006-04-06  Mike Stump  
14784
 
14785
        * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
14786
        for HAVE_nonlocal_goto to be consistent.
14787
        (expand_builtin_nonlocal_goto): Likewise.
14788
        (expand_builtin_strcmp): Use #ifdef instead of #if
14789
        for HAVE_cmpstrnsi to be consistent.
14790
 
14791
2006-04-05  DJ Delorie  
14792
 
14793
        * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
14794
        vs m32c.
14795
 
14796
2006-04-05  Bernd Schmidt  
14797
 
14798
        * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
14799
        got-relative addressing for anything but SImode.
14800
 
14801
        * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
14802
        even if the calling function doesn't modify them.
14803
 
14804
2006-04-05  Richard Guenther  
14805
 
14806
        PR tree-optimization/26919
14807
        * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
14808
        to cgraph_estimate_size_after_inlining.
14809
 
14810
2006-04-05  Alan Modra  
14811
 
14812
        * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
14813
 
14814
2006-04-05  Sebastian Pop  
14815
 
14816
        PR tree-optimization/26996
14817
        * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
14818
        VECTOR_TYPE variables.
14819
 
14820
2006-04-05  Richard Guenther  
14821
 
14822
        PR tree-optimization/26763
14823
        * fold-const.c (fold_comparison): Move folding of
14824
        PTR + CST CMP PTR + CST ...
14825
        (fold_binary): ... here.  Fold only for EQ_EXPR and NE_EXPR.
14826
 
14827
2006-04-05  Gerald Pfeifer  
14828
 
14829
        * doc/install.texi (Prerequisites): Refine some wording on
14830
        bootstrapping and ksh.
14831
        Move the version numbers of DejaGnu here from the testing section
14832
        and fix casing of names.
14833
        Fix markup and clarify wording for autogen requirements.
14834
        Refer to GCJ instead of just java.
14835
        Refer to SVN instead of CVS.
14836
        Describe diffutils as useful instead of necessary.
14837
        (Downloading the source): Refer to SVN instead of CVS.
14838
        Adjust a link to our web site accordingly.
14839
        (Configuration): Fix casing of Bison.
14840
        (Building): Refer to SVN instead of CVS.
14841
        Fix a sentence on the use of Bison and remove duplicate (and
14842
        incorrect) version number of Bison requirement.
14843
        Remove one redundant list of packages needed for building.
14844
        (Specific): Avoid reference to CVS.
14845
 
14846
2006-04-04  Eric Christopher  
14847
 
14848
        * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
14849
        (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
14850
        (rs6000_handle_struct_attribute): New.
14851
        (rs6000_ms_bitfield_layout_p): Ditto.
14852
 
14853
2006-04-04  Geoffrey Keating  
14854
 
14855
        * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
14856
        NULL for dso parameter to atexit_common.
14857
 
14858
2006-04-04  Eric Christopher  
14859
 
14860
        * config/i386/i386.c (machopic_output_stub): Output \t
14861
        between instructions and operands.
14862
 
14863
2006-04-04  David Edelsohn  
14864
 
14865
        * config/rs6000/rs6000.c (num_insns_constant_wide): Change
14866
        satisfies_constraint_[IL] to explicit tests on value.
14867
 
14868
2006-04-04  Sebastian Pop  
14869
 
14870
        * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14871
        set_nb_iterations_in_loop): Use build_int_cst instead of
14872
        build_int_cst_type.
14873
        * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
14874
        build_int_cst instead of convert.
14875
 
14876
2006-04-04  Carlos O'Donell  
14877
 
14878
        * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
14879
        new value 2 for incoming.
14880
        * function.c (expand_function_start): Call struct_value_rtx
14881
        with incoming as 2.
14882
        * config/sparc/sparc.md: Comment updated_return.
14883
        * config/sparc/sparc.opt: Add -mstd-struct-return option.
14884
        * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
14885
        struct return if sparc_std_struct_return and incoming is 2.
14886
        (print_operand): Do not adjust return if
14887
        sparc_std_struct_return.
14888
 
14889
2006-04-04  Roger Sayle  
14890
 
14891
        * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
14892
        convert in the middle-end.
14893
        * expr.c (store_expr, store_constructor, get_inner_reference,
14894
        expand_expr_real_1, string_constant, try_casesi, try_tablejump):
14895
        Likewise.
14896
        * tree.c (build_range_type): Likewise.
14897
 
14898
2006-04-04  Tom Tromey  
14899
 
14900
        * doc/install.texi (Prerequisites): Mention jar.
14901
 
14902
2006-04-04  Daniel Berlin  
14903
 
14904
        * doc/tree-ssa.texi (Preserving the virtual ssa form): New
14905
        subsection.
14906
 
14907
2006-04-04  Matthias Klose  
14908
 
14909
        * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
14910
 
14911
        PR bootstrap/26764
14912
        PR bootstrap/27334
14913
        * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
14914
        strings.
14915
 
14916
2006-04-03  Geoffrey Keating  
14917
 
14918
        * doc/extend.texi (Function Attributes): Rewrite visibility
14919
        attribute documentation.
14920
        * doc/invoke.texi (C++ Dialect Options): Rewrite
14921
        -fvisibility-inlines-hidden documentation to describe something
14922
        entirely different, although in practise compatible.
14923
        (Code Gen Options): Warn about system headers in -fvisibility=
14924
        documentation.
14925
 
14926
        * doc/extend.texi (Other Builtins): Document that
14927
        __builtin_nan is a compile-time constant only when its argument
14928
        is valid.
14929
 
14930
2006-04-03  Adam Nemet  
14931
 
14932
        * simplify-rtx.c (simplify_unary_operation_1) : When
14933
        trying to remove TRUNCATE check if all bits outside the new mode
14934
        are identical to the sign bit.
14935
 
14936
2006-04-03  Jeff Law  
14937
 
14938
        * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
14939
        and operand scanning in some common cases.
14940
 
14941
2006-04-03  Paolo Bonzini  
14942
            Dale Johannesen  
14943
 
14944
        PR target/19653
14945
        * regclass.c (struct reg_pref): Update documentation.
14946
        (regclass): Set prefclass to NO_REGS if memory is the best option.
14947
        (record_reg_classes): Cope with a prefclass set to NO_REGS.
14948
        * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
14949
        into account.  For non-registers, equate an empty preferred
14950
        reload class to a `!' in the constraint; move the if clause to
14951
        do so after those that reject the insn.
14952
        (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
14953
        return NO_REGS.
14954
        (find_dummy_reload): Likewise.
14955
        * doc/tm.texi (Register Classes): Document what it means
14956
        if PREFERRED_*_RELOAD_CLASS return NO_REGS.
14957
        * config/i386/i386.c (ix86_preferred_reload_class): Force
14958
        using SSE registers (and return NO_REGS for floating-point
14959
        constants) if math is done with SSE.
14960
        (ix86_preferred_output_reload_class): New.
14961
        * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
14962
        * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
14963
        * config/i386/i386.md: Remove # register preferences.
14964
 
14965
2006-04-02  Sebastian Pop  
14966
 
14967
        PR bootstrap/26992
14968
        * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14969
        chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
14970
        the type of nb_iter.
14971
        (instantiate_parameters_1): Convert the operands before calling
14972
        chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
14973
        * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
14974
 
14975
2006-04-02  Roger Sayle  
14976
 
14977
        * builtins.c (dummy_object): Use build_int_cst instead of convert.
14978
        * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
14979
        instead of convert.
14980
        * dojump.c (do_jump): Likewise.
14981
        * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
14982
        * gimplify.c (gimple_boolify, gimplify_init_constructor,
14983
        gimplify_boolean_expr): Likewise.
14984
        * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
14985
        * varasm.c (array_size_for_constructor): Likewise.
14986
        * tree-object-size.c (compute_object_offset): Likewise.
14987
 
14988
2006-04-02  Roger Sayle  
14989
 
14990
        PR middle-end/26977
14991
        * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
14992
        NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
14993
 
14994
2006-04-02  Sebastian Pop  
14995
 
14996
        PR tree-optimization/26939
14997
        * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
14998
 
14999
2006-04-02  Sebastian Pop  
15000
 
15001
        * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
15002
        at_stmt.  Convert the type of operands before calling
15003
        build_polynomial_chrec.
15004
        (add_to_evolution): Pass an extra argument at_stmt.  Adjust the call to
15005
        add_to_evolution_1.
15006
        (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
15007
        (instantiate_parameters_1): Convert the type of operands before calling
15008
        build_polynomial_chrec.
15009
        * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
15010
        chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
15011
        reset_evolution_in_loop): Insert asserts to check the types of the
15012
        operands.
15013
        (chrec_type): Moved...
15014
        (eq_evolutions_p): Use operand_equal_p.
15015
        * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
15016
        the types of the operands.
15017
        (chrec_type): ...here.
15018
        * tree-data-ref.c (create_data_ref): Convert the operands before
15019
        calling chrec_replace_initial_condition.
15020
        (same_access_functions, analyze_subscript_affine_affine,
15021
        analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
15022
        (compute_subscript_distance, analyze_ziv_subscript,
15023
        analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
15024
        analyze_miv_subscript): Convert the operands before calling
15025
        chrec_fold_minus or chrec_fold_plus.
15026
 
15027
2006-04-02  Sebastian Pop  
15028
 
15029
        * tree-data-ref.c (compute_all_dependences): Use a pointer to
15030
        the dependence_relations vector.
15031
        (compute_data_dependences_for_loop): Adjust call to
15032
        compute_all_dependences.
15033
 
15034
2006-04-01  Roger Sayle  
15035
            Richard Henderson  
15036
 
15037
        * gimplify.c (gimplify_scan_omp_clauses) : Call
15038
        gimple_boolify on the condition before calling gimplify_expr.
15039
 
15040
2006-03-31  Bob Wilson  
15041
 
15042
        * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
15043
        to leaf_entry/leaf_return.  Change leaf_entry to add 16 bytes to
15044
        the frame size.  Update to use the new macros.
15045
        * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
15046
        * config/xtensa/ieee754-df.S: Likewise.
15047
 
15048
2006-03-31  Richard Henderson  
15049
 
15050
        * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
15051
        (make_edges): ... here.  Control fallthru creation with a local
15052
        variable.  Do not play with fake edges.
15053
        (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
15054
        (make_goto_expr_edges): Don't play with fake edges.  Make for_call
15055
        a boolean.
15056
 
15057
2006-04-01  Joseph S. Myers  
15058
 
15059
        * dwarf2.h (DW64_CIE_ID): Define.
15060
        * dwarf2out.c (DWARF_CIE_ID): Define.
15061
        (output_call_frame_info): Output 0xffffffff before standard 8-byte
15062
        length header.  Use DWARF_CIE_ID.
15063
        (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
15064
        dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
15065
 
15066
2006-03-31  Kaz Kojima  
15067
 
15068
        * config/sh/linux-atomic.asm: New file.
15069
        * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
15070
 
15071
2006-03-31  DJ Delorie  
15072
 
15073
        * config/m32c/cond.md: Set condition flags properly throughout.
15074
        * config/m32c/minmax.md: Likewise.
15075
        * config/m32c/prologue.md: Likewise.
15076
        * config/m32c/bitops.md: Likewise.
15077
        * config/m32c/muldiv.md: Likewise.
15078
        * config/m32c/mov.md: Likewise.
15079
        * config/m32c/addsub.md: Likewise.
15080
        * config/m32c/m32c.md: Likewise.
15081
        * config/m32c/jump.md: Likewise.
15082
        * config/m32c/shift.md: Likewise.
15083
 
15084
        * config/m32c/cond.md (cmp): Call m32c_output_compare to
15085
        conditionally output the pattern for this.
15086
        * config/m32c/m32c.c (flags_needed_for_conditional): New.
15087
        (m32c_compare_redundant): New.
15088
        (m32c_output_compare): New.
15089
        * config/m32c/m32c-protos.h (m32c_output_compare): New.
15090
 
15091
        * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
15092
        dest, not src.  Allow other 4-byte modes.
15093
 
15094
2006-03-30  Denis Chertykov  
15095
 
15096
        * doc/md.texi: Refer to avr/constraints.md instead of
15097
        avr/avr.h.
15098
 
15099
2006-03-30  Roger Sayle  
15100
 
15101
        * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
15102
        signed vs. unsigned comparison failures on some hosts.
15103
 
15104
2006-03-31  Alan Modra  
15105
 
15106
        PR target/26459
15107
        * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
15108
        change to FLOAT_REGS.
15109
 
15110
        * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
15111
        (rs6000_override_options): Use it.
15112
        (rs6000_handle_option): Set it.  Set rs6000_explicit_options.abi
15113
        only for -mabi=spe/no-spe and -mabi=altivec.
15114
 
15115
2006-03-30  Geoffrey Keating  
15116
 
15117
        * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
15118
        !Zdynamiclib.
15119
 
15120
2006-03-30  Carlos O'Donell  
15121
 
15122
        * Makefile.in: Rename docdir to gcc_docdir.
15123
 
15124
2006-03-30  Roger Sayle  
15125
 
15126
        PR target/17959
15127
        * expr.c (emit_group_store): Optimize group stores into a pseudo
15128
        register by using a paradoxical subreg to initialize the destination
15129
        if the first or last member of the group specifies a "low part".
15130
 
15131
2006-03-30  Maxim Kuvyrkov  
15132
 
15133
        PR target/26734
15134
        * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
15135
        * target.h (struct gcc_target.speculate_insn): Change type of the
15136
        second parameter to 'int'.
15137
        * lists.c (alloc_DEPS_LIST): Change signature.  Update reference to
15138
        the second operand of the DEPS_LIST.
15139
        (copy_DEPS_LIST_list): Update reference to the second operand of the
15140
        DEPS_LIST.
15141
        * rtl.h (alloc_DEPS_LIST): Update signature.
15142
        * sched-int.h (ds_t): Change typedef to 'int'.
15143
        (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
15144
 
15145
2006-03-30  Maxim Kuvyrkov  
15146
 
15147
        * haifa-sched.c (try_ready): Change condition to restore
15148
        non-speculative pattern of the instruction.
15149
        (process_insn_depend_be_in_spec): Code to keep probability of the
15150
        speculative dependence non-decreasing.
15151
 
15152
2006-03-30  Jie Zhang  
15153
 
15154
        * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
15155
        (single_move_for_movmem): ... this. Also change all uses.
15156
        (bfin_expand_strmov): Renamed to...
15157
        (bfin_expand_movmem): ... this. Also change all uses.
15158
        * config/bfin/bfin.md (movstrsi): Renamed to...
15159
        (movstrsi): ...this.
15160
 
15161
2006-03-30  Paolo Bonzini  
15162
 
15163
        PR tree-optimization/26830
15164
 
15165
        * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
15166
        (copy_prop_visit_stmt): Remove write-only variable ann.
15167
        (init_copy_prop): Check variable loop depth here.  Do not simulate
15168
        memory-tag and virtual operand PHIs except for store copy prop.
15169
 
15170
2006-03-30  Richard Guenther  
15171
 
15172
        * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
15173
        variants with double arguments.
15174
 
15175
2006-03-29  David Edelsohn  
15176
 
15177
        * genpreds.c (write_tm_constrs_h): Delete variable p.
15178
        * genconditions.c (write_header): Add tm-constrs.h to included
15179
        headers.
15180
        * genpeep.c (main): Add toplev.h to included headers.
15181
        * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
15182
        (build/genpeep.o): Add toplev.h dependency.
15183
        * config/rs6000/constraints.md: Add "W" constraint.
15184
 
15185
2006-03-29  Roger Sayle  
15186
 
15187
        * stor-layout.c (mode_for_size_tree): Remove restiction on type
15188
        sizes by correctly testing whether the size fits a host integer.
15189
        (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
15190
        to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
15191
        SImode range for the default sizetype and bitsizetype.
15192
 
15193
2006-03-29  Roger Sayle  
15194
 
15195
        * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
15196
        and TREE_CONSTANT_OVERFLOW bits of the argument.  Return
15197
        quickly if the argument is already of the correct type.
15198
        Call fold_build1 instead of build1.  Tidy up blank lines.
15199
 
15200
2006-03-29  David Edelsohn  
15201
 
15202
        * genemit.c (main): Add tm-constrs.h to included headers.
15203
        * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
15204
        * genpeep.c (main): Add tm-constrs.h to included headers.
15205
        * genpreds.c (write_satisfies_constraint_fns): Rename to ...
15206
        (write_tm_constrs_h): this and write complete file.
15207
        (write_tm_preds_h): Do not emit satisfies_constraint fns.
15208
        (write_insn_preds_c): Add tm-constrs.h to included headers.
15209
        (gen_constrs): New variable.
15210
        (parse_option): Parse "-c".
15211
        (main): Invoke write_tm_constrs_h.
15212
        * genrecog.c (write_header): Add tm-constrs.h to included headers.
15213
        * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
15214
        (object_out_file): Add tm-constrs.h dependency.
15215
        (insn-emit.o): Same.
15216
        (insn-output.o): Same.
15217
        (insn-peep.o): Same.
15218
        (insn-preds.o): Same.
15219
        (insn-recog.o): Same.
15220
        (tm-constsr.h): New target.
15221
        (s-constrs-h): New target.
15222
 
15223
        * config/rs6000/constraints.md: New file.
15224
        * config/rs6000/rs6000.c: Include tm-constrs.h.
15225
        (num_insn_constant_wide): Convert to satisfies_constraint.
15226
        (rs6000_rtx_costs): Convert to satisfies_constraint.
15227
        * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
15228
        (CONST_OK_FOR_LETTER_P): Delete.
15229
        (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
15230
        (EXTRA_CONSTRAINT): Delete.
15231
        (EXTRA_MEMORY_CONSTRAINT): Delete.
15232
        (EXTRA_ADDRESS_CONSTRAINT): Delete.
15233
        * config/rs6000/predicates.md: Convert to satisfies_constraint.
15234
        * config/rs6000/rs6000.md: Include constraints.md.  Convert to
15235
        satisfies_constraint.
15236
 
15237
        * config/i386/i386.c: Include tm-constrs.h.
15238
 
15239
2006-03-29  Sebastian Pop  
15240
 
15241
        * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
15242
        * tree-data-ref.c (find_data_references_in_loop,
15243
        compute_data_dependences_for_loop): Use pointers to VEC.
15244
        (analyze_all_data_dependences): Adjust calls.
15245
        * tree-data-ref.h (find_data_references_in_loop,
15246
        compute_data_dependences_for_loop): Adjust declarations.
15247
        * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
15248
        compute_data_dependences_for_loop.
15249
 
15250
2006-03-29  Paul Brook  
15251
 
15252
        * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
15253
        (movdf_vfp): Ditto.
15254
 
15255
2006-03-29  Sebastian Pop  
15256
 
15257
        PR tree-optimization/26859
15258
        * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
15259
        division by zero.
15260
        (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
15261
        for the step after fold_convert.
15262
 
15263
2006-03-29  Paul Brook  
15264
 
15265
        * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
15266
        (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
15267
 
15268
2006-03-29  Paul Brook  
15269
 
15270
        PR middle-end/23623
15271
        * targhooks.c (default_narrow_bitfield): New fuction.
15272
        * targhooks.h (default_narrow_bitfield): add prototype.
15273
        * target.h (gcc_target): Add narrow_volatile_bitfield.
15274
        * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
15275
        * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
15276
        * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
15277
        * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
15278
 
15279
2006-03-29  Andreas Krebbel  
15280
 
15281
        * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
15282
        tmake_file.
15283
        * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
15284
        (NR_C_MODES): Add TDmode, DDmode and SDmode.
15285
        (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
15286
        (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
15287
        (s390_function_arg_float): Allow SDmode and DDmode values to be
15288
        passed in floating point registers.
15289
        (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
15290
        check with SCALAR_FLOAT_MODE_P.
15291
        (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
15292
 
15293
2006-03-28  Zdenek Dvorak 
15294
 
15295
        PR tree-optimization/25985
15296
        * tree-ssa-loop-niter.c (number_of_iterations_le,
15297
        number_of_iterations_ne): Make comments more precise.
15298
        (number_of_iterations_cond): Add only_exit argument.  Use the
15299
        fact that signed variables do not overflow only when only_exit
15300
        is true.
15301
        (loop_only_exit_p): New.
15302
        (number_of_iterations_exit): Pass result of loop_only_exit_p to
15303
        number_of_iterations_cond.
15304
 
15305
2006-03-28  Zdenek Dvorak 
15306
 
15307
        PR tree-optimization/26643
15308
        * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
15309
        bit_field_refs.
15310
 
15311
2006-03-28  Kaz Kojima  
15312
 
15313
        * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
15314
        (divsi3_i4_int): Likewise.
15315
 
15316
2006-03-28  Roger Sayle  
15317
 
15318
        * expr.c (emit_group_store): Only create a new pseudo reg if the
15319
        quantity it needs to hold isn't already a suitable pseudo.
15320
 
15321
2006-03-28  Jeff Law  
15322
 
15323
        * timevar.def (TV_TREE_PHI_CPROP): New timevar.
15324
        * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
15325
 
15326
2006-03-28  Roger Sayle  
15327
 
15328
        * fold-const.c (fold_binary) : Fold (X & Y) ^ Y as
15329
        the equivalent ~X & Y, and the symmetry related transformations.
15330
        (fold_binary) : Similarly, fold (X ^ Y) & Y as
15331
        ~X & Y, and symmetry related transforms.
15332
 
15333
2006-03-28  Maxim Kuvyrkov  
15334
 
15335
        Revert my 2006-03-27 patches.
15336
 
15337
2006-03-28  Roger Sayle  
15338
 
15339
        * fold-const.c (fold_unary) : Fold (T1)(~(T2)X) as
15340
        ~(T1)X, when T1 and T2 are integer types of the same precision
15341
        and (T2)X isn't an extension.
15342
 
15343
2006-03-28  Jeff Law  
15344
 
15345
        PR tree-optimization/26796
15346
        * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
15347
        need EH edge cleanups rather than purging them immediately.
15348
        (eliminate_degenerate_phis): Handle queued EH cleanups.
15349
 
15350
2006-03-28  Daniel Berlin  
15351
 
15352
        * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
15353
        from parent_var.
15354
 
15355
2006-03-27  Roger Sayle  
15356
 
15357
        PR middle-end/22524
15358
        * fold-const.c (fold_binary) : Call fold_convert to
15359
        cast BIT_NOT_EXPR operand to the correct type.
15360
 
15361
2006-03-27  Sebastian Pop  
15362
 
15363
        * tree-loop-linear.c: Don't include varray.h.
15364
        (gather_interchange_stats, try_interchange_loops,
15365
        linear_transform_loops): Use VEC instead of VARRAY.
15366
        * lambda-mat.c: Don't include varray.h.
15367
        * tree-chrec.c: Same.
15368
        * lambda-trans.c: Same.
15369
        * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
15370
        VEC instead of VARRAY.
15371
        * tree-vectorizer.h: Idem.
15372
        * tree-data-ref.c (dump_data_references,
15373
        dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
15374
        initialize_data_dependence_relation, finalize_ddr_dependent,
15375
        compute_all_dependences, find_data_references_in_loop,
15376
        compute_data_dependences_for_loop, analyze_all_data_dependences,
15377
        free_dependence_relation, free_dependence_relations,
15378
        free_data_refs): Idem.
15379
        * tree-data-ref.h (data_reference_p, subscript_p): New.
15380
        (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
15381
        VEC instead of VARRAY.
15382
        (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
15383
        (find_data_references_in_loop, compute_data_dependences_for_loop,
15384
        dump_ddrs, dump_dist_dir_vectors, dump_data_references,
15385
        dump_data_dependence_relations, free_dependence_relations,
15386
        free_data_refs): Adjust declaration.
15387
        (lambda_transform_legal_p): Move declaration here...
15388
        * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
15389
        vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
15390
        vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
15391
        vect_analyze_data_refs): Use VEC instead of VARRAY.
15392
        * lambda.h (lambda_transform_legal_p): ...from here.
15393
        * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
15394
        * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
15395
        * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
15396
        tree-chrec.o): Don't depend on VARRAY_H.
15397
 
15398
2006-03-27  Maxim Kuvyrkov  
15399
 
15400
        * rtl.def (Copyright): Update date.
15401
        (DEPS_LIST): Change type of the second operand to 'int'.
15402
        * target.h (Copyright): Update date.
15403
        (struct gcc_target.speculate_insn): Change type of the second parameter
15404
        to 'int'.
15405
        * lists.c (Copyright): Update date.
15406
        (alloc_DEPS_LIST): Change signature.  Update reference to the second
15407
        operand of the DEPS_LIST.
15408
        (copy_DEPS_LIST_list): Update reference to the second operand of the
15409
        DEPS_LIST.
15410
        * rtl.h (Copyright): Update date.
15411
        (alloc_DEPS_LIST): Update signature.
15412
        * sched-int.h (Copyright): Update date.
15413
        (ds_t): Change typedef to 'int'.
15414
        (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
15415
 
15416
2006-03-27  Maxim Kuvyrkov  
15417
 
15418
        * haifa-sched.c (Copyright): Update date.
15419
        (try_ready): Change condition to restore non-speculative pattern
15420
        of the instruction.
15421
        (process_insn_depend_be_in_spec): Code to keep probability of the
15422
        speculative dependence non-decreasing.
15423
 
15424
2006-03-27  Bernd Schmidt  
15425
 
15426
        * regrename.c (replace_oldest_value_addr): Initialize a variable to
15427
        shut up the compiler.
15428
 
15429
2006-03-27  J"orn Rennecke 
15430
 
15431
        * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
15432
        to use lib prefix for target.
15433
        ($(T)libic_invalidate_array_4-200.a): Likewise.
15434
        ($(T)libic_invalidate_array_4a.a): Likewise.
15435
 
15436
2006-03-27  Andrew Stubbs 
15437
            J"orn Rennecke 
15438
 
15439
        * superh.opt: New file.
15440
        * sh.c (boardtype, osruntime): Remove.
15441
        * superh.h (SUBTARGET_OPTIONS): Remove.
15442
        * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
15443
 
15444
        * config.gcc (sh*-*-*): Don't use c-c ranges for tr.  Quote sed
15445
        arguments with ^ and/or [].
15446
 
15447
        * config.gcc (sh-*-*): Add quoting to account for quirk of
15448
        Solaris /bin/sh.
15449
        Replace == with = in enable_incomplete_targets test.
15450
 
15451
        * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
15452
        with MASK_LITTLE_ENDIAN.
15453
 
15454
        * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
15455
        * config/sh/sh.opt: Added to some comments.
15456
        * config/sh/superh.h: Removed some chaff.
15457
 
15458
        * config/sh/sh.opt: Add m4-[1234]00* options.
15459
        * config/sh/sh.c (sh_handle_option): Likewise.
15460
        * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
15461
        (ic_invalidate_array_4-100.o): New rule.
15462
        ($(T)libic_invalidate_array_4-100.a): Likewise.
15463
        (ic_invalidate_array_4-200.o): Likewise.
15464
        ($(T)libic_invalidate_array_4-200.a): Likewise.
15465
        (ic_invalidate_array_4a.o): Likewise.
15466
        ($(T)libic_invalidate_array_4a.a): Likewise.
15467
        * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
15468
        * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
15469
        m4-200*, and m4a*.
15470
        * config/sh/crt1.asm: Merged in profiling code.
15471
        * config/sh/superh.h (STARTFILE_SPEC): Override.
15472
        * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
15473
        Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
15474
        * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
15475
 
15476
        * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
15477
        * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
15478
        MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
15479
 
15480
        * sh.opt (mpretend-cmove): New option.
15481
        * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
15482
        * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
15483
        (movsicc): Add TARGET_PRETEND_CMOVE code.
15484
 
15485
2006-03-27  Andreas Krebbel  
15486
 
15487
        * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
15488
        s390_class_max_nregs): New function prototypes.
15489
        * config/s390/s390.c (REGNO_PAIR_OK): New macro.
15490
        (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
15491
        * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
15492
        CLASS_MAX_NREGS): Macro bodies replaced by function calls.
15493
 
15494
2006-03-26  Geoffrey Keating  
15495
 
15496
        * dwarf2out.c (add_location_or_const_value_attribute): Call
15497
        tree_add_const_value_attribute if nothing else works.
15498
        (reference_to_unused): New.
15499
        (rtl_for_decl_init): Use reference_to_unused to decide whether
15500
        to output an initializer.
15501
 
15502
2006-03-27  Alan Modra  
15503
 
15504
        PR target/26459
15505
        * config/rs6000/rs6000.md (DF reg move peephole): Prevent
15506
        peephole removing spe frob_di_df_2.
15507
 
15508
2006-03-26  Sebastian Pop  
15509
 
15510
        * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
15511
        (subscript_dependence_tester_1): Declared.
15512
        (print_dir_vectors, print_dist_vectors): New.
15513
        (debug_data_dependence_relation): New.
15514
        (dump_data_dependence_relation): Print more details.
15515
        (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
15516
        (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
15517
        (save_dist_v, save_dir_v, add_outer_distances,
15518
        build_classic_dist_vector_1): New.
15519
        (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
15520
        Don't test for lambda_vector_lexico_pos.
15521
        (same_access_functions, add_multivariate_self_dist,
15522
        add_other_self_distances, dir_from_dist): New.
15523
        (build_classic_dir_vector): Replace implementation almost identical to
15524
        build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
15525
        dir_from_dist.
15526
        (subscript_dependence_tester_1): New.
15527
        (subscript_dependence_tester): Handle the lexicographically negative
15528
        distance vectors by recomputing the dependence relation.
15529
        (compute_affine_dependence): Remove parameter loop_nest_depth.
15530
        (compute_self_dependence): Don't call compute_subscript_distance.
15531
        (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
15532
        Add a parameter for the loop_nest.
15533
        (find_loop_nest_1, find_loop_nest): New.
15534
        (compute_data_dependences_for_loop): Compute the loop nest, and give
15535
        up if the nest is not well formed.
15536
        * tree-data-ref.h (loop_p): New.
15537
        (struct data_dependence_relation): Replace size_vect field with
15538
        loop_nest, a vec of loops.
15539
        (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
15540
        (DDR_LOOP_NEST): New.
15541
        (print_dir_vectors, print_dist_vectors,
15542
        debug_data_dependence_relation): Declared.
15543
        (index_in_loop_nest): New.
15544
        * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
15545
        DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
15546
        distance.
15547
 
15548
2006-03-25  Adam Nemet  
15549
 
15550
        * simplify-rtx.c (simplify_relational_operation): Call
15551
        simplify_relational_operation_1 even if mode is VOIDmode.
15552
 
15553
2006-03-25  Daniel Berlin  
15554
 
15555
        PR tree-optimization/26804
15556
        * tree.h (DECL_CALL_CLOBBERED): New macro.
15557
        (tree_decl_common): Add call_clobbered_flag.
15558
        * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
15559
        (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
15560
        (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
15561
        (mark_non_addressable): Ditto.
15562
        * tree-ssa.c (verify_call_clobbered): New function.
15563
        (verify_alias_info): Use it.
15564
        * tree-pass.h (pass_reset_cc_flags): New prototype.
15565
        * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
15566
        (reset_cc_flags): New function.
15567
        * passes.c (init_optimization_passes): Call reset_cc_flags after
15568
        initializing referenced_vars.
15569
 
15570
2006-03-25  Uros Bizjak  
15571
            Roger Sayle  
15572
 
15573
        PR middle-end/26717
15574
        * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
15575
        to 1.0 for non-real operands. Implement A / A optimization for
15576
        complex operands.
15577
 
15578
2006-03-25  H.J. Lu  
15579
 
15580
        * config/i386/i386.c (size_cost): Correct the comment for
15581
        cost of storing fp registers.
15582
        (i386_cost): Likewise.
15583
        (i486_cost): Likewise.
15584
        (pentium_cost): Likewise.
15585
        (pentiumpro_cost): Likewise.
15586
        (k6_cost): Likewise.
15587
        (athlon_cost): Likewise.
15588
        (k8_cost): Likewise.
15589
        (pentium4_cost): Likewise.
15590
        (nocona_cost): Likewise.
15591
        (generic64_cost): Likewise.
15592
        (generic32_cost): Likewise.
15593
 
15594
2006-03-24  Denis Chertykov  
15595
 
15596
        * config/avr/avr-protos.h (extra_constraint): Delete.
15597
        (extra_constraint_Q): New declaration.
15598
        * config/avr/constraints.md: New file.
15599
        * config/avr/avr.md: Include it.
15600
        (REG_X, REG_Y, REG_Z, REG_W): New constants.
15601
        (TMP_REGNO, ZERO_REGNO): Likewise.
15602
        (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
15603
        * config/avr/avr.c (avr_reg_class_from_letter): Delete.
15604
        (extra_constraint): Delete.
15605
        (extra_constraint_Q): Test for memory constraint 'Q'.
15606
        * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
15607
        (REG_CLASS_FROM_LETTER): Delete.
15608
        (CONST_OK_FOR_LETTER_P): Delete.
15609
        (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
15610
        (EXTRA_CONSTRAINT): Delete.
15611
        (TMP_REGNO): Delete.
15612
        (ZERO_REGNO): Delete.
15613
 
15614
2006-03-24  Jeff Law  
15615
 
15616
        * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
15617
        directly.  Call mark_new_vars_to_rename slightly earlier.
15618
 
15619
2006-03-24  Geoffrey Keating  
15620
 
15621
        * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
15622
        (is_cxx): Likewise.
15623
        (gen_compile_unit_die): Use new language types for Objective-C and
15624
        Objective-C++.
15625
        (dwarf2out_decl): Use is_cxx rather than testing explicitly against
15626
        DW_LANG_C_plus_plus.
15627
 
15628
        PR 26793
15629
        * config/t-darwin (crt3.o): Work around bug 26840.
15630
        * config/darwin-crt3.c: Rewrite.
15631
        * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
15632
 
15633
2006-03-24  Carlos O'Donell  
15634
 
15635
        * doc/invoke.texi: Document -femit-class-debug-always
15636
        * common.opt: Add -femit-class-debug-always.
15637
 
15638
2006-03-24  Andreas Krebbel  
15639
 
15640
        * config/s390/s390.c (s390_decompose_address): Allow SImode for
15641
        index and base register.
15642
        (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
15643
        print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
15644
        with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
15645
        REGNO_OK_FOR_INDEX_P.
15646
        * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
15647
        ADDR_REGNO_P.
15648
        (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
15649
        REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
15650
        REG_OK_FOR_BASE_P): Definitions removed.
15651
 
15652
2006-03-24  Jakub Jelinek  
15653
 
15654
        PR middle-end/26611
15655
        * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
15656
        non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
15657
        set yet or weren't marked as local yet.
15658
 
15659
2006-03-24  Bernd Schmidt  
15660
 
15661
        * regrename.c (scan_rtx_address): Initialize a variable to shut up
15662
        the compiler.
15663
 
15664
2006-03-24  Eric Botcazou  
15665
 
15666
        * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
15667
        (rs6000_legitimate_small_data_p): Delete.
15668
        * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
15669
        (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
15670
        and make static.  Add forward declaration.  Update uses.
15671
        (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
15672
        of offsettable_memref_p.
15673
        * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
15674
        Use rs6000_offsettable_memref_p instead of a less accurate predicate.
15675
 
15676
2006-03-24  Jeff Law  
15677
 
15678
        * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
15679
        around bug in immediate-use iterator.
15680
 
15681
2006-03-24  Alan Modra  
15682
 
15683
        PR target/26607
15684
        * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
15685
        or __LITTLE_ENDIAN__.
15686
 
15687
2006-03-23  J"orn Rennecke 
15688
 
15689
        * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
15690
        * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
15691
        * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
15692
        * config/sh/sh.opt (mdiv=): Amend description.
15693
        * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
15694
        (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
15695
        (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
15696
        SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
15697
        (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
15698
        Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
15699
        * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
15700
        (udivsi3, divsi3): Use them.  Check TARGET_DIVIDE_CALL_TABLE /
15701
        TARGET_DIVIDE_CALL_FP.
15702
 
15703
2006-03-23  Maxim Kuvyrkov  
15704
 
15705
        * haifa-sched.c (choose_ready): Fix type of the local variable.
15706
        Move local variables.  Add comment.
15707
        (check_reg_live): Change signature.  Make callable from debugger.
15708
        * sched-int.h (check_reg_live): Update signature.
15709
        * sched-ebb.c (check_reg_live): Update parameters.
15710
        * sched-rgn.c (check_reg_live): Ditto.
15711
        (region_head_or_leaf_p): Check pointer before dereferencing.
15712
        * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
15713
        before reload on optimization levels below 1.
15714
 
15715
2006-03-23  Richard Henderson  
15716
 
15717
        * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
15718
        tls symbols.
15719
 
15720
        PR target/26347
15721
        * config/alpha/predicates.md (local_symbolic_operand): Reject
15722
        weak symbols.
15723
 
15724
2006-03-23  Andrew Pinski  
15725
 
15726
        PR tree-opt/26795
15727
        * tree-ssa-pre.c (create_value_expr_from): Don't reject
15728
        expressions which have overflowed constants.
15729
 
15730
2006-03-23  Zdenek Dvorak 
15731
 
15732
        * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
15733
 
15734
2006-03-23  Zdenek Dvorak 
15735
 
15736
        * cfgloopmanip.c (create_loop_notes): Removed.
15737
        * final.c (final_scan_insn): Do not handle loop notes.
15738
        * jump.c (squeeze_notes): Ditto.
15739
        * cfglayout.c (skip_insns_after_block,
15740
        duplicate_insn_chain): Ditto.
15741
        * cfgcleanup.c (rest_of_handle_jump2): Do not call
15742
        create_loop_notes.
15743
        * cfgloop.h (create_loop_notes): Declaration removed.
15744
 
15745
2006-03-23  Richard Sandiford  
15746
 
15747
        * varasm.c (output_constant_pool): Restore fnname and fndecl
15748
        arguments.
15749
        (assemble_start_function): Adjust call accordingly.
15750
        (assemble_end_function): Likewise.
15751
 
15752
2006-03-22  Volker Reichelt  
15753
 
15754
        PR mudflap/26789
15755
        * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
15756
 
15757
        PR mudflap/26790
15758
        * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
15759
 
15760
2006-03-22  Volker Reichelt  
15761
 
15762
        PR driver/22600
15763
        * system.h (ICE_EXIT_CODE): New macro.
15764
        * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
15765
        (diagnostic_action_after_output): Likewise.
15766
        * gcc.c (fatal_ice): New function.
15767
        (execute): Use it instead of fatal.
15768
        (fancy_abort): Likewise.
15769
        * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
15770
 
15771
2006-03-22  Jeff Law  
15772
 
15773
        * loop-unroll.c (analyze_iv_to_split_insn): Handle
15774
        iv_analyze_result returning false.
15775
 
15776
2006-03-22  Jie Zhang  
15777
 
15778
        * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
15779
 
15780
2006-03-22  Richard Henderson  
15781
 
15782
        PR middle-end/26084
15783
        * except.c (duplicate_eh_regions_0): New.
15784
        (duplicate_eh_region_1): Duplicate the children of the node as
15785
        well as the node itself.  Link them up properly.
15786
        (duplicate_eh_region_2): Merge into ...
15787
        (duplicate_eh_regions): ... here.  Take copy_region argument, and
15788
        copy only a sub-tree if asked.  Simplify copying and fixup.
15789
        (eh_region_outer_p): New.
15790
        * except.h (duplicate_eh_regions): Update decl.
15791
        (eh_region_outer_p): Declare.
15792
        * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
15793
        (lower_omp_master): Likewise.
15794
        (lower_omp_ordered): Likewise.
15795
        * tree-cfg.c (struct move_stmt_d): Add new_label_map.
15796
        (move_stmt_r): Use it to remap labels.  Handle recursion vs
15797
        remap_decls_p properly.
15798
        (move_block_to_fn): Pass in new_label_map.  Remap RESX_EXPR.
15799
        (find_outermost_region_in_block): New.
15800
        (new_label_mapper): New.
15801
        (move_sese_region_to_fn): Copy eh information to the new function
15802
        properly.
15803
        * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
15804
        argument.
15805
        * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
15806
        number.
15807
 
15808
2006-03-22  Richard Sandiford  
15809
 
15810
        * doc/md.texi (-mshared): Mention that -mshared code can be linked
15811
        into shared libraries.
15812
 
15813
2006-03-22  Richard Sandiford  
15814
 
15815
        * doc/md.texi: Refer to i386/constraints.md instead of
15816
        i386/predicates.md.
15817
        * config/i386/constraints.md: New file, extracted from...
15818
        * config/i386/predicates.md: ...here.
15819
        * config/i386/i386.md: Include constraints.md.
15820
 
15821
2006-03-21  Jason Merrill  
15822
 
15823
        * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
15824
 
15825
        PR middle-end/20297
15826
        * expr.c (init_block_move_fn): Force default visibility.
15827
        (init_block_clear_fn): Likewise.
15828
        * builtins.c (expand_builtin_fork_or_exec): Likewise.
15829
        * targhooks.c (default_external_stack_protect_fail): Likewise.
15830
 
15831
2006-03-21  Richard Sandiford  
15832
 
15833
        * config/mips/predicates.md (const_call_insn_operand): Allow direct
15834
        calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
15835
        * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
15836
        Use TARGET_OLDABI instead of !TARGET_NEWABI.
15837
        (loadgp): Use mips_current_loadgp_style.
15838
        (loadgp_noshared): New pattern.
15839
        (sibcall_internal): Use MIPS_CALL.
15840
        (sibcall_value_internal): Likewise.
15841
        (sibcall_value_multiple_internal): Likewise.
15842
        (call_internal): Likewise.
15843
        (call_value_internal): Likewise.
15844
        (call_value_multiple_internal): Likewise.
15845
        (call_split): Use MIPS_CALL and add an 'S' constraint.
15846
        (call_value_split): Likewise.
15847
        (call_value_multiple_split): Likewise.
15848
        * config/mips/mips.opt (-mabicalls): Tweak docstring.
15849
        (-mshared): New option.
15850
        * config/mips/mips-protos.h (mips_loadgp_style): New enum.
15851
        (mips_current_loadgp_style): Declare.
15852
        * config/mips/mips.c (mips_classify_symbol): Avoid using
15853
        SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS.  Use SYMBOL_GENERAL
15854
        rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
15855
        TARGET_ABSOLUTE_ABICALLS.
15856
        (override_options): Adjust comments.  Improve the warning that is
15857
        issued when -mabicalls and -G are used together.
15858
        (mips_file_start): Remove comment.
15859
        (mips_current_loadgp_style): New function.
15860
        (mips_gnu_local_gp): New variable.
15861
        (mips_emit_loadgp): Use mips_current_loadgp_style.  Handle
15862
        LOADGP_ABSOLUTE.
15863
        (mips_output_function_prologue): Use mips_current_laodgp_style.
15864
        (mips_expand_prologue): Call mips_emit_loadgp before emitting
15865
        the cprestore instruction.
15866
        (mips_extra_live_on_entry): Fix reversed test.  Don't make $25
15867
        live for TARGET_ABSOLUTE_ABICALLS.
15868
        * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
15869
        (ASM_SPEC): Pass down -mshared and -mno-shared.
15870
        (MIPS_CALL): New macro.
15871
        * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
15872
        definition.
15873
        * doc/invoke.texi (-mabicalls): Update documentation.
15874
        (-mshared): Document.
15875
 
15876
2006-03-21  Steve Ellcey  
15877
 
15878
        * config/ia64/unwind-hpux.c: New file.
15879
        * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
15880
 
15881
2006-03-21  Steve Ellcey  
15882
 
15883
        PR libgomp/26384
15884
        * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
15885
 
15886
2006-03-21  Jeff Law  
15887
 
15888
        * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
15889
        type conversions of a VR_VARYING source to a wider type.
15890
 
15891
2006-03-21  Eric Botcazou  
15892
 
15893
        * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
15894
        tm_file on Solaris 10 and later.
15895
        (sparc64-*-solaris2*): Likewise.
15896
        (sparc-*-solaris2*): Likewise.
15897
        * config/sol26.h: Rename to config/sol2-6.h.
15898
        * config/sol2-10.h: New file.
15899
 
15900
2006-03-21  Andrew Pinski  
15901
 
15902
        PR tree-opt/26781
15903
        * tree-ssa-pre.c (create_component_ref_by_pieces):
15904
        Handle STRING_CST.
15905
 
15906
2006-03-21  Jakub Jelinek  
15907
 
15908
        PR c++/26690
15909
        * tree.c (get_callee_fndecl): If CALL is error_mark_node,
15910
        return it immediately.
15911
 
15912
2006-03-21  Michael Matz  
15913
 
15914
        * genautomata.c (, num_out_arcs, presence_signature):
15915
        New members.
15916
        (remove_arc, add_arc): Update num_out_arcs member.
15917
        (set_out_arc_insns_equiv_num): Returns nothing instead of number
15918
        of out arcs.
15919
        (cache_presence): New function.
15920
        (compare_states_for_equiv): New function.
15921
        (state_is_differed): Don't take number of outargs, adjust callers.
15922
        Use new invariant for speeding up.
15923
        (init_equiv_class): Create initial classes based on sorted
15924
        input.
15925
        (partition_equiv_class): Don't track out_arcs_num.
15926
        (evaluate_equiv_classes): Call cache_presence on all states and
15927
        sort them.
15928
 
15929
2006-03-21  Bernd Schmidt  
15930
 
15931
        * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
15932
        * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
15933
        (bfin_valid_reg_p): Test for pseudos explicitly and use only
15934
        REGNO_MODE_CODE_OK_FOR_BASE_P.  New args MODE and OUTER_CODE; all
15935
        callers changed.
15936
        * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
15937
        (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
15938
        (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
15939
        (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
15940
        REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
15941
        macros.
15942
        (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
15943
        REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
15944
        (REGNO_REG_CLASS): ARGP is in PREGS.
15945
        * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
15946
        IREGS.
15947
        (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
15948
        to deal with those addresses.
15949
        * addresses.h: New file.
15950
        * caller-save.c: Include "addresses.h".
15951
        (init_caller_save): Use new base_reg_class function.
15952
        * rtl-factoring.c: Include "addresses.h".
15953
        (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
15954
        * recog.c: Include "addresses.h".
15955
        (preprocess_constraints): Use new base_reg_class function.
15956
        * regrename.c: Include "addresses.h".
15957
        (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
15958
        functions.  Keep track of a new var INDEX_CODE to compute valid
15959
        classes.
15960
        (replace_oldest_value_addr): Likewise.
15961
        (replace_oldest_value_mem): Use base_reg_class.
15962
        * reload.c: Include "addresses.h".
15963
        (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
15964
        (find_reloads): Use new base_reg_class function.
15965
        (find_reloads_address): Likewise; also use regno_ok_for_base_p.
15966
        (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
15967
        all callers and prototype changed.
15968
        * reload1.c: Include "addresses.h".
15969
        (maybe_fix_stack_asms): Use base_reg_class.
15970
        * regclass.c: Include "addresses.h".
15971
        (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
15972
        (init_reg_autoinc): Use new base_reg_class function.
15973
        (record_reg_classes): Likewise.
15974
        (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
15975
        OUTER_CODE and INDEX_CODE.  All callers and prototype changed.
15976
        Use new args to compute necessary class.
15977
 
15978
        * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
15979
        regrename.o, rtl-factoring.o): Update dependencies.
15980
        * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
15981
        (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
15982
        (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
15983
        REG_OK_FOR_INDEX_P): Delete documentation.
15984
 
15985
2006-03-21  Alexey Starovoytov  
15986
 
15987
        * config.gcc (sparc-*-solaris2*): Change the default CPU setting
15988
        from V7 to V9 for Solaris 7 and above.
15989
 
15990
2006-03-21  Toon Moene  
15991
 
15992
        * doc/invoke.texi: Document new flag -fargument-noalias-anything.
15993
        * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
15994
        argument pointers may not alias any other storage.
15995
        * common.opt: Define option -fargument-noalias-anything.
15996
        * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
15997
        alias semantics is specified by flag_argument_noalias > 2.
15998
 
15999
2006-03-20  Jeff Law  
16000
 
16001
        * tree-pass.h (pass_phi_only_copy_prop): Delete.
16002
        (pass_phi_only_cprop): Declare.
16003
        * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
16004
        with phi_only_cprop
16005
        * tree-ssa-dom.c (degenerate_phi_result): New function.
16006
        (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
16007
        (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
16008
        (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
16009
        (eliminate_degenerate_phis): Likewise.
16010
        (pass_phi_only_cprop): New pass descriptor.
16011
        * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
16012
        support code.  Callers updated.
16013
        (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
16014
        (store_copy_prop): Likewise.
16015
        (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
16016
 
16017
2006-03-20  Jason Merrill  
16018
 
16019
        PR c++/21764
16020
        * c-pragma.c (visstack): Move out of handle_pragma_visibility.
16021
        (push_visibility, pop_visibility): Likewise.
16022
        * c-pragma.h: Declare them.
16023
 
16024
2006-03-20  Kaz Kojima  
16025
 
16026
        * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
16027
 
16028
        * config/sh/sh.c (find_regmode_weight): Change the type of the first
16029
        parameter and use get_ebb_head_tail.
16030
        (sh_md_init_global): Adjust uses of find_regmode_weight.
16031
 
16032
2006-03-20  Steven Bosscher  
16033
 
16034
        * function.h (struct function) :
16035
        Rename to x_stack_check_probe_note.
16036
        (tail_recursion_reentry): Rename to stack_check_probe_note.
16037
        * function.c: Replace tail_recursion_reentry with
16038
        stack_check_probe_note everywhere.
16039
        (expand_function_start): Only emit a note for
16040
        stack_check_probe_note with -fstack-protect.
16041
        * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
16042
 
16043
        * emit-rtl.c (remove_unnecessary_notes): Remove.
16044
        (pass_remove_unnecessary_notes): Remove.
16045
        * rtl.h (remove_unnecessary_notes): Remove prototype.
16046
        * final.c (final_start_function): Don't call remove_unnecessary_notes.
16047
        * tree-pass.h (pass_remove_unnecessary_notes): Remove.
16048
        * passes.c (pass_remove_unnecessary_notes): Don't run it.
16049
 
16050
2006-03-20  Andrew Pinski  
16051
 
16052
        PR tree-opt/26629
16053
        * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
16054
        (valid_in_set): Handle ARRAY_REF.
16055
        Change "if min_variant or VH" to asserts.
16056
        (create_component_ref_by_pieces): Handle ARRAY_REF.
16057
        (create_expression_by_pieces): Likewise.
16058
        (can_PRE_operation): ARRAY_REFs can now be PRE'd.
16059
 
16060
2006-03-20  David Edelsohn  
16061
 
16062
        * genpreds.c (write_insn_extra_address_constraint): Argument `c'
16063
        is operand of switch, not str[0].
16064
 
16065
2006-03-20  Alan Modra  
16066
 
16067
        * config/rs6000/rs6000.c (rs6000_handle_option): Use
16068
        TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
16069
 
16070
2006-03-19  David Edelsohn  
16071
 
16072
        * genpreds.c (write_tm_preds_h): Add semicolon and newline at
16073
        end of insn_extra_address_constraint declaration.
16074
 
16075
2006-03-19  David Edelsohn  
16076
 
16077
        * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
16078
        (no-sum-in-toc): Same.
16079
        * config/rs6000/rs6000.c (rs6000_handle_option): Use new
16080
        variables.
16081
        * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
16082
        NO_FP_IN_TOC for -fPIC instead of mask.
16083
 
16084
        * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
16085
        (BOOT_LDFLAGS): Delete.
16086
        (LDFLAGS): Delete.
16087
        * config/rs6000/t-aix52: Same.
16088
 
16089
        * config/rs6000/rs6000.md (store_multiple_power): Delete.
16090
        (stmsi[345678]_power): New.
16091
 
16092
2006-03-17  Steve Ellcey  
16093
 
16094
        * config/ia64/ia64.opt: Add empty line to end of file.
16095
 
16096
2006-03-17  Richard Guenther  
16097
 
16098
        PR middle-end/26721
16099
        * builtins.c (get_pointer_alignment): For component style references
16100
        adjust alignment to the component type alignment.  Make sure
16101
        to adjust alignment for component access of constants.
16102
 
16103
2006-03-17  David Edelsohn  
16104
 
16105
        * config/rs6000/rs6000.md (strlensi): Emit barrier after
16106
        unconditional jump.
16107
 
16108
2006-03-17  Paul Brook  
16109
 
16110
        * doc/install.texi: Docuemnt --with-mode.
16111
        * config.gcc: Add --with-mode for arm*-*-*.
16112
        * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
16113
 
16114
2006-03-17  J"orn Rennecke 
16115
 
16116
        * sh.c (max_labelno_before_reorg): New variable.
16117
        (sh_reorg): Initialize it.
16118
        (find_barrier): Check max_labelno_before_reorg before using
16119
        label_to_alignment.  Take length of explicit alignment insns
16120
        into account.  When seeing a UNSPECV_CONST_END, return it.
16121
 
16122
        * sh.c (fixup_mova): Set mode of affected label to QImode.
16123
        (untangle_mova): New function.
16124
        (find_barrier): Use it.  Check mode of label before decrementing
16125
        num_mova.
16126
        (sh_reorg): Likewise.
16127
        Set mode of all insns back to VOIDmode.
16128
 
16129
        * sh.c (MOVA_LABELREF): New macro.
16130
        (mova_p, fixup_mova, sh_reorg): Use it.
16131
        (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
16132
        ADDR_DIFF_VEC matches mova.
16133
 
16134
2006-03-17  Steven Bosscher  
16135
 
16136
        * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
16137
        with ATTRIBUTE_UNUSED.
16138
 
16139
2006-03-17  Alexandre Oliva  
16140
 
16141
        * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
16142
        pointer, instead of assuming it is possible to derive the
16143
        correct args size from a call insn.
16144
 
16145
2006-03-16  Jan-Benedict Glaw  
16146
 
16147
        * rtl.h (CONST_INT_P): Define.
16148
        * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
16149
        instead of GET_CODE(x) == CONST_INT.
16150
        (vax_rtx_costs): Likewise.
16151
        (vax_output_int_move): Likewise.
16152
        (vax_output_int_add): Likewise.
16153
        (legitimate_constant_address_p): Likewise.
16154
        (index_term_p): Likewise.
16155
        * config/vax/vax.h (PRINT_OPERAND): Likewise.
16156
        * config/vax/vax.md (and3): Likewise.
16157
        (ashrsi3): Likewise.
16158
        (extv): Likewise.
16159
        (movstricthi): Likewise.
16160
        (movstrictqi): Likewise.
16161
        (rotrsi3): Likewise.
16162
        (five unnamed insns): Likewise.
16163
 
16164
2006-03-16  Geoffrey Keating  
16165
 
16166
        * doc/tm.texi (SDB and DWARF): Add extra parameter to
16167
        ASM_OUTPUT_DWARF_OFFSET.  Use @var to indicate metavariables.
16168
        * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
16169
        * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
16170
        Pass to ASM_OUTPUT_DWARF_OFFSET.
16171
        * dwarf2out.c (debug_frame_section): New.
16172
        (output_call_frame_info): Use debug_frame_section.  Pass it to
16173
        dw2_asm_output_offset.
16174
        (output_die): Pass appropriate section to dw2_asm_output_offset.
16175
        (output_compilation_unit_header): Likewise.
16176
        (output_pubnames): Likewise.
16177
        (output_aranges): Likewise.
16178
        (enum dw_val_class): Break dw_val_class_lbl_offset into
16179
        dw_val_class_lineptr and dw_val_class_macptr.
16180
        (add_AT_lbl_offset): Delete.
16181
        (add_AT_lineptr): New.
16182
        (add_AT_macptr): New.
16183
        (AT_lbl): Expect a lineptr or macptr.
16184
        (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
16185
        (attr_checksum): Likewise.
16186
        (same_dw_val_p): Likewise.
16187
        (size_of_die): Likewise.
16188
        (value_format): Likewise.
16189
        (output_die): Likewise.
16190
        (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
16191
        add_AT_lbl_offset.
16192
        * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
16193
        * config/i386/i386.c (x86_file_start): Call darwin_file_start.
16194
        * config/darwin-protos.h (darwin_file_start): New.
16195
        (darwin_asm_output_dwarf_offset): New.
16196
        * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
16197
        * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
16198
        darwin_file_start.
16199
        * config/darwin.c (darwin_emit_unwind_label): Don't output label
16200
        if not EH section; simplify.
16201
        (darwin_file_start): New.
16202
        (darwin_asm_output_dwarf_offset): New.
16203
        * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
16204
        mark as 'debug'.
16205
        (DEBUG_INFO_SECTION): Likewise.
16206
        (DEBUG_ABBREV_SECTION): Likewise.
16207
        (DEBUG_ARANGES_SECTION): Likewise.
16208
        (DEBUG_MACINFO_SECTION): Likewise.
16209
        (DEBUG_LINE_SECTION): Likewise.
16210
        (DEBUG_LOC_SECTION): Likewise.
16211
        (DEBUG_PUBNAMES_SECTION): Likewise.
16212
        (DEBUG_STR_SECTION): Likewise.
16213
        (DEBUG_RANGES_SECTION): Likewise.
16214
        (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
16215
        (ASM_OUTPUT_DWARF_OFFSET): New.
16216
 
16217
2006-03-16  Joseph S. Myers  
16218
 
16219
        * config.gcc (tm_defines): Always add to previous value rather
16220
        than replacing it.
16221
 
16222
2006-03-16  Richard Sandiford  
16223
 
16224
        * config/mips/predicates.md (splittable_const_int_operand): New,
16225
        split from move_operand.
16226
        (splittable_symbolic_operand): New.
16227
        (move_operand): Add commentary.  Use splittable_const_int_operand.
16228
        Inline mips_atomic_symbolic_constant_p.
16229
        * config/mips/mips.md: Add combine splitters for handling moves
16230
        of splittable_const_int_operands and splittable_symbolic_operands.
16231
        * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
16232
        (mips_split_symbol): Declare.
16233
        (mips_move_integer): Declare.
16234
        * config/mips/mips.c (mips_split_p): Make global.
16235
        (TARGET_MIN_ANCHOR_OFFSET): Override default.
16236
        (TARGET_MAX_ANCHOR_OFFSET): Likewise.
16237
        (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
16238
        (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
16239
        (mips_offset_within_object_p): Handle block symbols.
16240
        (mips_atomic_symbolic_constant_p): Delete.
16241
        (mips_cannot_force_const_mem): Return false for constants that
16242
        mips_legitimize_move can handle.
16243
        (mips_use_blocks_for_constant_p): New function.
16244
        (mips_split_symbol): Make global.
16245
        (mips_move_integer): Likewise.  Add a temporary register argument.
16246
        (mips_legitimize_const_move): Use splittable_const_int_operand and
16247
        splittable_symbolic_operand.
16248
        (mips_use_anchors_for_symbol_p): New function.
16249
        * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
16250
        (mips_split_p): Declare.
16251
 
16252
2006-03-16  Richard Sandiford  
16253
 
16254
        * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
16255
        (mips*-*-linux*): Likewise.
16256
 
16257
2006-03-16  Roger Sayle  
16258
            Daniel Speyer  
16259
 
16260
        PR middle-end/18259
16261
        * tree-dump.c (dump_real): New function.
16262
        (dequeue_and_dump) : Use it to dump FP constants.
16263
        * Makefile.in (REAL_H): New macro for dependencies on real.h.
16264
        (tree-dump.o): Add $(REAL_H) to the dependencies.
16265
 
16266
2006-03-16  Roger Sayle  
16267
 
16268
        PR middle-end/21781
16269
        * real.c (real_from_string): If the mantissa is zero, don't bother
16270
        parsing the exponent as the result should always be zero.
16271
 
16272
2006-03-16  Andreas Krebbel  
16273
 
16274
        * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
16275
 
16276
2006-03-16  Maxim Kuvyrkov 
16277
 
16278
        * config/ia64/ia64.c (stops_p): Added explicit initialization.
16279
        (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
16280
        ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
16281
        ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
16282
        ia64_sched_finish_global): New static functions to implement
16283
        hooks from gcc_target.sched.
16284
        (spec_check_no, max_uid, pending_data_specs): New static variables.
16285
        (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
16286
        ia64_spec_check_src_p): New static functions.
16287
        (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
16288
        (TARGET_SCHED_ADJUST_COST): Removed.
16289
        (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
16290
        TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
16291
        TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
16292
        TARGET_SCHED_GEN_CHECK,
16293
        TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
16294
        TARGET_SCHED_SET_SCHED_FLAGS): New macros.
16295
        (update_set_flags, group_barrier_needed, set_src_needs_barrier):
16296
        Fixed to handle speculation checks.
16297
        (rtx_needs_barrier): Fixed to handle speculative loads and
16298
        their checks.
16299
        (ia64_variable_issue): Added code to count speculative loads and their
16300
        checks.
16301
        (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
16302
        speculative loads.
16303
        (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
16304
        New enumerations.
16305
        (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
16306
        New constants.
16307
        (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
16308
        (ia64_reorg): Reset stops_p to NULL after it is freed.
16309
        * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
16310
        UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
16311
        (itanium_class): chk_s renamed to chk_s_i.  New constants: chk_s_f,
16312
        chk_a.
16313
        (data_speculative, control_speculative, check_load): New attributes.
16314
        (mov_advanced, mov_speculative,
16315
        mov_speculative_advanced, zero_extenddi2_advanced,
16316
        zero_extenddi2_speculative,
16317
        zero_extenddi2_speculative_advanced): New patterns for
16318
        data and control speculative loads.
16319
        (mov_clr, zero_extenddi2_clr): New patterns for
16320
        check loads.
16321
        (advanced_load_check_clr_, speculation_check_):
16322
        New pattern for data and control speculation checks.
16323
        (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
16324
        ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
16325
        reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
16326
        Auxiliary definitions for the patterns.
16327
        * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
16328
        1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
16329
        constraints.
16330
        (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
16331
        for speculation.
16332
        (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
16333
        * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
16334
        2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
16335
        New resource constraints.
16336
        (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
16337
        for speculation.
16338
        (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
16339
        * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
16340
        msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
16341
        msched-in-control-spec, msched-ldc, msched-control-ldc,
16342
        msched-spec-verbose, msched-prefer-non-data-spec-insns,
16343
        msched-prefer-non-control-spec-insns,
16344
        msched-count-spec-in-critical-path): New flags to tune speculative
16345
        scheduling.
16346
        * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
16347
        msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
16348
        msched-in-control-spec, msched-ldc, msched-control-ldc,
16349
        msched-spec-verbose, msched-prefer-non-data-spec-insns,
16350
        msched-prefer-non-control-spec-insns,
16351
        msched-count-spec-in-critical-path): Document new flags.
16352
 
16353
2006-03-16  Maxim Kuvyrkov 
16354
 
16355
        * target.h (struct spec_info_def): New opaque declaration.
16356
        (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
16357
        speculate_insn, needs_block_p, gen_check,
16358
        first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
16359
        * target-def.h (TARGET_SCHED_ADJUST_COST_2,
16360
        TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
16361
        TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
16362
        TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
16363
        TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
16364
        gcc_target.sched.
16365
        (TARGET_SCHED): Use new macros.
16366
        * rtl.h (copy_DEPS_LIST_list): New prototype.
16367
        * sched-int.h (struct sched_info): Change signature of new_ready field,
16368
        adjust all initializations. New fields: add_remove_insn,
16369
        begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
16370
        region_head_or_leaf_p.
16371
        (struct spec_info_def): New structure declaration.
16372
        (spec_info_t): New typedef.
16373
        (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
16374
        recovery_block, orig_pat.
16375
        (glat_start, glat_end): New variables declaraions.
16376
        (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
16377
        New access macros.
16378
        (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
16379
        DETACH_LIFE_INFO, USE_GLAT.
16380
        (enum SPEC_SCHED_FLAGS): New enumeration.
16381
        (NOTE_NOTE_BB_P): New macro.
16382
        (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
16383
        attach_life_info, debug_spec_status, check_reg_live): New functions.
16384
        (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
16385
        all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
16386
        sched-ebb.c
16387
        (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
16388
        * ddg.c (get_block_head_tail): Adjust all uses.
16389
        * modulo-sched.c (get_block_head_tail): Adjust all uses.
16390
        (sms_sched_info): Initialize new fields.
16391
        (contributes_to_priority): Removed.
16392
        * haifa-sched.c (params.h): New include.
16393
        (get_block_head_tail): Adjust all uses.
16394
        (ISSUE_POINTS): New macro.
16395
        (glat_start, glat_end): New global variables.
16396
        (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
16397
        nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
16398
        old_last_basic_block, before_recovery, current_sched_info_var,
16399
        rgn_n_insns, luid): New static variables.
16400
        (insn_cost1): New function.  Move logic from insn_cost to here.
16401
        (find_insn_reg_weight1): New function.  Move logic from
16402
        find_insn_reg_weight to here.
16403
        (reemit_notes, move_insn, max_issue): Change signature.
16404
        (move_insn1): Removed.
16405
        (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
16406
        extend_bb): New static functions to support extension of scheduler's
16407
        data structures.
16408
        (generate_recovery_code, process_insn_depend_be_in_spec,
16409
        begin_speculative_block, add_to_speculative_block,
16410
        init_before_recovery, create_recovery_block, create_check_block_twin,
16411
        fix_recovery_deps): New static functions to support
16412
        generation of recovery code.
16413
        (fix_jump_move, find_fallthru_edge, dump_new_block_header,
16414
        restore_bb_notes, move_block_after_check, move_succs): New static
16415
        functions to support ebb scheduling.
16416
        (init_glat, init_glat1, attach_life_info1, free_glat): New static
16417
        functions to support handling of register live information.
16418
        (associate_line_notes_with_blocks, change_pattern, speculate_insn,
16419
        sched_remove_insn, clear_priorities, calc_priorities, bb_note,
16420
        add_jump_dependencies): New static functions.
16421
        (check_cfg, has_edge_p, check_sched_flags): New static functions for
16422
        consistancy checking.
16423
        (debug_spec_status): New function to call from debugger.
16424
        (priority): Added code to handle speculation checks.
16425
        (rank_for_schedule): Added code to distinguish speculative instructions.
16426
        (schedule_insn): Added code to handle speculation checks.
16427
        (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
16428
        Fixed to handle ebbs.
16429
        (move_insn): Added code to handle ebb scheduling.
16430
        (max_issue): Added code to use ISSUE_POINTS of instructions.
16431
        (choose_ready): Added code to choose between speculative and
16432
        non-speculative instructions.
16433
        (schedule_block): Added code to handle ebb scheduling and scheduling of
16434
        speculative instructions.
16435
        (sched_init): Initialize new variables.
16436
        (sched_finish): Free new variables.  Print statistics.
16437
        (try_ready): Added code to handle speculative instructions.
16438
        * lists.c (copy_DEPS_LIST_list): New function.
16439
        * sched-deps.c (extend_dependency_caches): New function.  Move logic
16440
        from create_dependency_caches to here.
16441
        (get_dep_weak, ds_merge): Make global.
16442
        * genattr.c (main): Code to output prototype for
16443
        dfa_clear_single_insn_cache.
16444
        * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
16445
        (output_dfa_clean_insn_cache_func): Code to output
16446
        dfa_clear_single_insn_cache function.
16447
        * sched-ebb.c (target_n_insns): Remove.  Adjust all users to use
16448
        n_insns.
16449
        (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
16450
        Removed.
16451
        (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
16452
        New static variables.
16453
        (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
16454
        fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
16455
        struct sched_info.
16456
        (ebb_sched_info): Initialize new fields.
16457
        (get_block_head_tail): Adjust all uses.
16458
        (compute_jump_reg_dependencies): Fixed to use glat_start.
16459
        (schedule_ebb): Code to remove unreachable last block.
16460
        (schedule_ebbs): Added code to update register live information.
16461
        * sched-rgn.c (region_sched_info): Initialize new fields.
16462
        (get_block_head_tail): Adjust all uses.
16463
        (last_was_jump): Removed.  Adjust users.
16464
        (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
16465
        add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
16466
        Implement new hooks.
16467
        (check_dead_notes1): New static function.
16468
        (struct region): New fields: dont_calc_deps, has_real_ebb.
16469
        (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
16470
        (BB_TO_BLOCK): Fixed to handle EBBs.
16471
        (EBB_FIRST_BB, EBB_LAST_BB): New macros.
16472
        (ebb_head): New static variable.
16473
        (debug_regions, contributes_to_priority): Fixed to handle EBBs.
16474
        (find_single_block_regions, find_rgns, find_more_rgns): Initialize
16475
        new fields.
16476
        (compute_dom_prob_ps): New assertion.
16477
        (check_live_1, update_live_1): Fixed to work with glat_start instead of
16478
        global_live_at_start.
16479
        (init_ready_list): New assertions.
16480
        (can_schedule_ready_p): Split update code to begin_schedule_ready.
16481
        (new_ready): Add support for BEGIN_CONTROL speculation.
16482
        (schedule_insns): Fixed code that updates register live information
16483
        to handle EBBs.
16484
        (schedule_region): Fixed to handle EBBs.
16485
        (init_regions): Use extend_regions and check_dead_notes1.
16486
        * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
16487
        PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
16488
        * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
16489
        TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
16490
        TARGET_SCHED_GEN_CHECK,
16491
        TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
16492
        TARGET_SCHED_SET_SCHED_FLAGS): Document.
16493
        * doc/invoke.texi (max-sched-insn-conflict-delay,
16494
        sched-spec-prob-cutoff): Document.
16495
 
16496
2006-03-16  Maxim Kuvyrkov 
16497
 
16498
        * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
16499
        inter_tick, queue_index.
16500
        (struct sched_info): Change signature of init_ready_list field.
16501
        Adjust all initializations.
16502
        (RESOLVED_DEPS): New access macro.
16503
        (ready_add): Remove prototype.
16504
        (try_ready): Add prototype.
16505
        * sched-rgn.c (init_ready_list): Use try_ready.
16506
        (schedule_region): Initialize
16507
        current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
16508
        * sched-ebb.c (new_ready): Remove.  Adjust ebb_sched_info.
16509
        (init_ready_list): Use try_ready.
16510
        (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
16511
        * lists.c (remove_list_elem): Remove `static'.
16512
        (remove_free_INSN_LIST_elem): New function.
16513
        * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
16514
        * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
16515
        (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
16516
        New constants.
16517
        (readyp): New variable.
16518
        (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
16519
        change_queue_index, resolve_dep): New static functions.
16520
        (try_ready): New function.  Adjust callers in sched-rgn.c and
16521
        sched-ebb.c to use it instead of ready_add.
16522
        (clock_var): Move at the begining of file.
16523
        (rank_for_schedule): Fix typo.
16524
        (queue_insn): Add assertion.  Handle QUEUE_INDEX.
16525
        (ready_lastpos): Enforce assertion.
16526
        (ready_add): Make it static.  Handle QUEUE_INDEX.  Add new argument,
16527
        update all callers.
16528
        (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
16529
        (schedule_insn): Rewrite to use try_ready and resolve_dep.
16530
        (queue_to_ready): Use free_INSN_LIST_list.
16531
        (early_queue_to_ready): Fix typo.
16532
        (schedule_block): Init readyp.  Move init_ready_list call after the
16533
        initialization of clock_var.  Fix error in rejecting insn by
16534
        targetm.sched.dfa_new_cycle.  Add call to fix_inter_tick.  Remove code
16535
        that previously corrected INSN_TICKs.  Add code for handling
16536
        QUEUE_INDEX.
16537
        (set_priorities): Fix typo.
16538
        (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
16539
        Clarify comment and code that keeps current_sched_info->next_tail
16540
        non-null.
16541
 
16542
2006-03-16  Maxim Kuvyrkov 
16543
 
16544
        * sched-rgn.c (extend_rgns): New static function.
16545
        (find_rgns): Use it.
16546
        (gather_region_statistics, print_region_statistics): New static
16547
        functions.
16548
        * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
16549
        * doc/invoke.texi (max-sched-extend-regions-iters): Document.
16550
 
16551
2006-03-16  Maxim Kuvyrkov 
16552
            Andrey Belevantsev 
16553
 
16554
        * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
16555
        * lists.c (unused_deps_list): New variable.
16556
        (free_list): Add assertions to verify the proper distinguishing
16557
        between INSN_LISTs and DEPS_LISTs.
16558
        (find_list_elem, remove_list_elem, remove_list_node): New static
16559
        functions.
16560
        (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
16561
        remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
16562
        remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
16563
        (alloc_INSN_LIST): Assert that the list we're working on is indeed
16564
        an INSN_LIST.
16565
        (free_INSN_LIST_node): Likewise.
16566
        * modulo-sched.c (current_sched_info): Initialize flags field.
16567
        * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
16568
        * rtl.def (DEPS_LIST): Define.
16569
        * rtl.h: Declare new functions from lists.c.
16570
        * sched-deps.c (spec_dependency_cache): New static variable.
16571
        (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
16572
        (add_dependence): Change return type to void.  Move the logic to ...
16573
        (add_or_update_back_dep_1): ... here.  Handle speculative dependencies.
16574
        (delete_all_dependences): Add comment about forward_dependency_cache.
16575
        Handle spec_dependency_cache.  Handle DEPS_LISTs.
16576
        (fixup_sched_groups): Clarify the change of priority of output
16577
        and anti dependencies.
16578
        (sched_analyze_2): Adjust add_dependence calls to create data
16579
        speculative dependence.
16580
        (add_forward_dependence): Renamed to add_forw_dep, change prototype.
16581
        Adjust all callers.  Handle DEPS_LISTS.
16582
        (compute_forward_dependences): Use add_forw_dep.  Sort LOG_LINKs in
16583
        presence of speculation.
16584
        (init_dependency_caches, free_dependency_caches):
16585
        Handle spec_dependency_cache.
16586
        (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
16587
        estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
16588
        New static functions.
16589
        (add_or_update_back_dep, add_or_update_back_forw_dep,
16590
        add_back_forw_dep, delete_back_forw_dep): New functions.
16591
        * sched-int.h (ds_t, dw_t): New typedefs.
16592
        (struct sched_info): Add new field flags.
16593
        (struct haifa_insn_data): Add new bitfield has_internal_dep.
16594
        Prototype new sched-deps.c functions.
16595
        (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
16596
        (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
16597
        MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
16598
        BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
16599
        SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
16600
        SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
16601
        New constants.
16602
        (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
16603
        New enums.
16604
        * sched-rgn.c (current_sched_info): Initialize flags field.
16605
        (schedule_insns): Initialize current_sched_info before the sched_init
16606
        call.
16607
        * sched-ebb.c (current_sched_info): Initialize flags field.
16608
        (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
16609
        Call add_or_update_back_dep instead of add_dependence.
16610
        Create control speculative dependencies.
16611
        (schedule_insns): Initialize current_sched_info before the sched_init
16612
        call.
16613
 
16614
2006-03-16  Kaz Kojima  
16615
 
16616
        * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
16617
        fs->signal_frame.
16618
        (sh_fallback_frame_state): Likewise.
16619
 
16620
2006-03-15  Geoffrey Keating  
16621
 
16622
        * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
16623
        Do switch on default_use_cxa_atexit.
16624
        (powerpc*-*-darwin*): Build crt2.o on powerpc.
16625
        * config/darwin-crt3.o: New.
16626
        * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
16627
        to 10.3.  Pass '-multiply_defined suppress' if crt3.o is in use.
16628
        (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
16629
        OS version.
16630
        * config/rs6000/t-darwin: Move crt2.o building to here.
16631
        * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
16632
        Mac OS version for using __cxa_get_exception_ptr.  Don't test versions
16633
        of __cxa_atexit.
16634
 
16635
2006-03-15  Jan-Benedict Glaw  
16636
 
16637
        * config/vax/vax.c (nonindexed_address_p): Change logical negation
16638
        from '! xxx' to '!xxx' for coding-style conformance.
16639
        * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
16640
        (EXTRA_CONSTRAINT): Likewise.
16641
        * config/vax/vax.md (four unnamed insns): Likewise.
16642
 
16643
2006-03-15  Paul Brook  
16644
 
16645
        * config/arm/arm.c (minipool_pad): New.
16646
        (add_minipool_forward_ref): Include pool alignment padding in address
16647
        calculation.
16648
        (push_minipool_fix): Set minipool_pad.
16649
        (minipool_pad): Ditto.
16650
 
16651
2006-03-15  Jan-Benedict Glaw  
16652
 
16653
        * config/vax/vax.c (split_quadword_operands): Use MEM_P()
16654
        instead of GET_CODE() == MEM and REG_P() instead of
16655
        GET_CODE() == REG.
16656
        (print_operand_address): Likewise.
16657
        (vax_address_cost): Likewise.
16658
        (vax_rtx_costs): Likewise.
16659
        (vax_notice_update_cc): Likewise.
16660
        (vax_output_int_add): Likewise.
16661
        (INDEX_REGISTER_P): Likewise.
16662
        (BASE_REGISTER_P): Likewise.
16663
        (nonindexed_address_p): Likewise.
16664
        (vax_mode_dependent_address_p): Likewise.
16665
        * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
16666
        (PRINT_OPERAND): Likewise.
16667
        * config/vax/vax.md (ashlsi3): Likewise.
16668
        (ashlsi3): Likewise.
16669
        (some more unnamed insns): Likewise.
16670
 
16671
2006-03-15  Kazu Hirata  
16672
 
16673
        * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
16674
        iterator-style macro.
16675
        (mark_control_dependent_edges_necessary): Update the use of
16676
        EXECUTE_IF_CONTROL_DEPENDENT.
16677
 
16678
2006-03-15  J"orn Rennecke 
16679
 
16680
        * config/sh/predicates.md (cache_address_operand): Special.
16681
        (ua_address_operand): Likewise.
16682
 
16683
2006-03-15  Zdenek Dvorak 
16684
 
16685
        * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
16686
        loop notes.
16687
        * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
16688
 
16689
2006-03-15  Andreas Schwab  
16690
 
16691
        * gensupport.c (identify_predicable_attribute): Don't free p_false
16692
        when it is still in use.
16693
 
16694
2006-03-15  Eric Botcazou  
16695
 
16696
        * config.gcc (default with_cpu setting) : Do not modify
16697
        the default setting here.
16698
 
16699
2006-03-14  Steven Bosscher  
16700
 
16701
        * tree-pass.h (pass_cfg): Remove.
16702
        * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
16703
        * passes.c (pass_cfg): Don't run it.
16704
 
16705
2006-03-14  Kazu Hirata  
16706
 
16707
        * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
16708
        * reg-stack.c (stack_regs_mentioned_data): Change the type to
16709
        VEC(char,heap) *.
16710
        (stack_regs_mentioned): Update the uses of
16711
        stack_regs_mentioned_data.  Don't access the array beyond its
16712
        end.
16713
        (reg_to_stack): Update the uses of stack_regs_mentioned_data.
16714
        Don't include gt-reg-stack.h.
16715
 
16716
        * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
16717
        * system.h (UNALIGNED_WORD_ASM_OP): Poison.
16718
 
16719
        * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
16720
 
16721
        PR middle-end/26684
16722
        * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
16723
        STACK_REGS.
16724
 
16725
2006-03-14  John David Anglin  
16726
 
16727
        * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
16728
 
16729
2006-03-14  Richard Guenther  
16730
 
16731
        PR tree-optimization/26672
16732
        * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
16733
        SSA form.
16734
 
16735
2006-03-14  Richard Guenther  
16736
 
16737
        PR tree-optimization/26667
16738
        * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
16739
        node for the callees.  Always allow inlining if it will shrink
16740
        the function size.
16741
 
16742
2006-03-14  Richard Guenther  
16743
 
16744
        PR middle-end/26659
16745
        * builtins.c (get_pointer_alignment): Prefer alignment
16746
        information from decls over that from types.
16747
 
16748
2006-03-14  Andrew Pinski  
16749
 
16750
        PR target/26657
16751
        * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
16752
 
16753
2006-03-14  Joseph S. Myers  
16754
 
16755
        * config/rs6000/rs6000.opt (mdlmzb): New option.
16756
        (msched-prolog, msched-epilog): Use Var not Mask.
16757
        * doc/invoke.texi (-mdlmzb): Document.
16758
        * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
16759
        MASK_SCHED_PROLOG.
16760
        (rs6000_override_options): Enable -mdlmzb for 405 and 440.
16761
        * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
16762
 
16763
2006-03-13  Uttam Pawar  
16764
 
16765
        PR rtl-optimization/25739
16766
        * bt-load.c (augment_live_range): Free tos pointer.
16767
 
16768
        * gensupport.c (identify_predicable_attribute): Free
16769
        p_false pointer.
16770
        * gcov.c (create_file_names): Free name pointer.
16771
 
16772
2006-03-13  Roger Sayle  
16773
 
16774
        PR middle-end/26557
16775
        * stmt.c (emit_case_nodes): Handle the case where the index is a
16776
        CONST_INT, where the comparison mode is specified by the index type.
16777
 
16778
2006-03-13  John David Anglin  
16779
 
16780
        * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
16781
        is defined.
16782
 
16783
2006-03-13  Richard Sandiford  
16784
 
16785
        * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
16786
        (*branch_fp_inverted): Likewise.
16787
 
16788
2006-03-13  Jakub Jelinek  
16789
 
16790
        PR middle-end/25989
16791
        * omp-low.c (expand_omp_for_generic): Mark istart0
16792
        and iend0 as addressable.
16793
 
16794
2006-03-13  Jie Zhang  
16795
 
16796
        * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
16797
 
16798
2006-03-13  Jeff Law  
16799
 
16800
        * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
16801
        virtual operands are interesting.
16802
        (vrp_visit_stmt): Corresponding changes.
16803
 
16804
2006-03-13  Bernd Schmidt  
16805
 
16806
        * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
16807
        of RETS.
16808
        * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
16809
        TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
16810
        * config/bfin/crti.S: Use it instead of __PIC__.
16811
        * config/bfin/crtn.S: Likewise.
16812
 
16813
        * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
16814
        call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
16815
        not if flag_pic.
16816
        Lose 'G' modifier for call operand.
16817
        * config/bfin/bfin.c (print_operand) : Don't
16818
        recognize 'G' modifier.
16819
 
16820
2006-03-13  Eric Botcazou  
16821
 
16822
        PR middle-end/18859
16823
        * gimplify.c (gimplify_switch_expr): Discard empty ranges.
16824
        * stmt.c (expand_case): Likewise.
16825
 
16826
2006-03-13  Zdenek Dvorak 
16827
 
16828
        PR rtl-optimization/26254
16829
        * loop-invariant.c (seq_insns_valid_p): New function.
16830
        (move_invariant_reg): Only emit new code if it is valid.
16831
 
16832
2006-03-13  Zdenek Dvorak 
16833
 
16834
        * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
16835
        Removed.
16836
        (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
16837
        (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
16838
        (commit_one_edge_insertion): Do not look for loop notes.
16839
 
16840
2006-03-13  Zdenek Dvorak 
16841
 
16842
        * jump.c (follow_jumps): Do not check for loop notes.  Move check for
16843
        flag_test_coverage out of loop.
16844
 
16845
2006-03-13  Zdenek Dvorak 
16846
 
16847
        * final.c (shorten_branches): Remove outdated comment, and turn
16848
        the if branch that guards it to continue.
16849
 
16850
2006-03-13  Zdenek Dvorak 
16851
 
16852
        * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
16853
        * cfgloop.h (struct loop): Remove unused fields.
16854
 
16855
2006-03-13  Kazu Hirata  
16856
 
16857
        * doc/invoke.texi (-fdump-rtl-loop): Remove.
16858
        (-dL, -fdump-rtl-loop2): Update the dump file names
16859
 
16860
        * doc/invoke.texi: Update dump file names.
16861
 
16862
2006-03-12  Steven Bosscher  
16863
 
16864
        * predict.c (estimate_probability): Remove.
16865
        * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
16866
        * basic-block.h (estimate_probability): Remove prototype.
16867
        * passes.c (finish_optimization_passes): Dump branch prediction or
16868
        profiling heuristics to the .profile tree dump.
16869
        (init_optimization_passes): Unqueue pass_branch_prob.
16870
 
16871
        * doc/invoke.texi (-fdump-rtl-bp): Remove.
16872
 
16873
2006-03-11  Steven Bosscher  
16874
 
16875
        * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
16876
        * rtl.h (LABEL_NEXTREF): Remove field accessor.
16877
 
16878
2006-03-11  Eric Botcazou  
16879
 
16880
        * function.h (frame_offset_overflow): Declare.
16881
        * function.c (frame_offset_overflow): New function.
16882
        (assign_stack_local_1): Call it to detect that the offset overflows.
16883
        * cfgexpand.c (alloc_stack_frame_space): Likewise.
16884
 
16885
2006-03-11  Steven Bosscher  
16886
 
16887
        * config/sh/sh.c: Include alloc-pool.h.
16888
        (label_ref_list_pool): New alloc pool.
16889
        (label_ref_list_t): New type for lists of labels.
16890
        (struct pool_node): Make wend a label_ref_list_t.
16891
        (add_constant): Use the new type, eradicate LABEL_NEXTREF
16892
        references.
16893
        (dump_table): Likewise.
16894
        (sh_reorg): Set up the alloc pool before using add_constant and
16895
        dump_table, and destroy it when finishing.
16896
 
16897
2006-03-11  Richard Sandiford  
16898
 
16899
        * config/mips/mips.c: Remove redundant comment.
16900
 
16901
2006-03-10  Jason Merrill  
16902
 
16903
        PR c/26004
16904
        * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
16905
        the target was declared 'register'.
16906
 
16907
2006-03-10  Adam Nemet  
16908
 
16909
        * genpreds.c (write_insn_constraint_len): Change definition of
16910
        insn_constraint_len to return size_t to match the declaration.
16911
 
16912
2006-03-10  DJ Delorie  
16913
 
16914
        * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
16915
        start at zero.
16916
        (m32c_expand_insv): Fix test for an AND mask.
16917
 
16918
2006-03-10  Richard Guenther  
16919
 
16920
        PR middle-end/26565
16921
        * builtins.c (get_pointer_alignment): Handle component
16922
        references for field alignment.
16923
 
16924
2006-03-10  J"orn Rennecke 
16925
 
16926
        * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
16927
        when building with libgloss.
16928
        (sh*elf): Implement --without-fp option.
16929
        (sh64-superh-linux*): Don't multilib.
16930
 
16931
2006-03-10  J"orn Rennecke 
16932
 
16933
        * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
16934
 
16935
2006-03-09  Andrew Pinski  
16936
 
16937
        * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
16938
        Set it when one of the replacement functions returned true.
16939
        Return TODO_cleanup_cfg if cfgchanged is true.
16940
        (pass_phiopt) : Remove TODO_cleanup_cfg.
16941
 
16942
2006-03-09  Adam Nemet  
16943
 
16944
        * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
16945
        instead of gen_lowpart.
16946
 
16947
2006-03-09  Richard Sandiford  
16948
 
16949
        * config/mips/mips-protos.h (mips_output_conditional_branch): Change
16950
        interface.
16951
        (mips_output_order_conditional_branch): Declare.
16952
        * config/mips/mips.h (MIPS_BRANCH): New macro.
16953
        * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
16954
        for the comparison.  Use gen_condjump.
16955
        (mips_output_conditional_branch): Rework interface to take the
16956
        asm templates for a direct branch and the inverse of a direct branch.
16957
        (mips_output_order_conditional_branch): New function.
16958
        (mips_builtin_branch_and_move): New function.
16959
        (mips_expand_builtin_compare): Use it.  Use VOIDmode for the
16960
        branch condition.  Use gen_single_cc as the condition for
16961
        __builtin_mips_upper_* or __builtin_mips_lower_*.
16962
        (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
16963
        Use VOIDmode for the branch condition.
16964
        * config/mips/predicates.md (order_operator): New predicate.
16965
        * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
16966
        (branch_fp): Rename to...
16967
        (*branch_fp): ...this.  Remove mode from comparison operator.
16968
        Use new mips_output_conditional_branch interface.
16969
        (branch_fp_inverted): Rename to...
16970
        (*branch_fp_inverted): ...this and update as for *branch_fp.
16971
        (*branch_zero): Rename to...
16972
        (*branch_order): ...this.  Remove mode from comparison operator.
16973
        Use mips_output_order_conditional_branch.  Only accept ordered
16974
        comparisons.
16975
        (*branch_zero_inverted): Rename to...
16976
        (*branch_order_inverted): ...this and update as for
16977
        *branch_order.
16978
        (*branch_equality): Accept zero as the second operand to
16979
        the equality operator.  Use the new mips_output_conditional_branch
16980
        interface.
16981
        (*branch_equality_inverted): Likewise.
16982
        (condjump): New expander.
16983
        * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
16984
        operator.
16985
        * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
16986
        (bc1any2t, bc1any2f): Likewise.
16987
        (single_cc): New expander.
16988
        (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
16989
 
16990
2006-03-09  Richard Sandiford  
16991
 
16992
        * doc/md.texi: Update documentation of MIPS constraints.
16993
        * config/mips/constraints.md: New file.
16994
        * config/mips/mips.md: Include it.
16995
        * config/mips/mips.c (mips_char_to_class): Delete.
16996
        (override_options): Don't initialize mips_char_to_class.
16997
        * config/mips/mips.h (mips_char_to_class): Delete.
16998
        (REG_CLASS_FROM_LETTER): Delete.
16999
        (CONST_OK_FOR_LETTER_P): Delete.
17000
        (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
17001
        (EXTRA_CONSTRAINT_Y): Delete.
17002
        (EXTRA_CONSTRAINT_STR): Delete.
17003
        (CONSTRAINT_LEN): Delete.
17004
        (EXTRA_MEMORY_CONSTRAINT): Delete.
17005
 
17006
2006-03-09  Diego Novillo  
17007
 
17008
        * tree-cfg.c (move_block_to_fn): Remove the statements from the
17009
        original fn's eh regions.
17010
 
17011
2006-03-09  Eric Botcazou  
17012
 
17013
        * fold-const.c (build_range_check): Make sure to use a valid type to
17014
        apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
17015
        transformation.
17016
 
17017
        (range_predecessor): New static function.
17018
        (range_successor): Likewise.
17019
        (merge_ranges): Use them to compute predecessors and successors of
17020
        range bounds.
17021
 
17022
2006-03-09  Roger Sayle  
17023
 
17024
        PR middle-end/26561
17025
        * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
17026
        X op C3, consider whether C3 overflows towards +Inf or -Inf.
17027
 
17028
2006-03-08  DJ Delorie  
17029
 
17030
        * config/m32c/addsub.md (addqi3): Disparage a0/a1.
17031
        (addpsi3): Expand to include memory operands.  Remove
17032
        reload-specific splits.
17033
        * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
17034
        (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
17035
        (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
17036
        (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
17037
        (shift1_qi, shift1_hi, insv): New.
17038
        * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
17039
        (cbranch4, stzx_16, stzx_24_, stzx_reversed,
17040
        cmp, b, s, s_24, movqicc, movhicc,
17041
        cond_to_int): New.
17042
        * config/m32c/m32c-protos.h: Update as needed.
17043
        * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
17044
        default the Rcr, Rcl, Raw, and Ral constraints.  Add Ra0 and Ra1.
17045
        Fail for unrecognized R* constraints.
17046
        (m32c_cannot_change_mode_class): Be more picky about pseudos.
17047
        (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
17048
        (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
17049
        Add Sp constraint.
17050
        (m32c_init_libfuncs): New.
17051
        (m32c_legitimate_address_p): Add debug wrapper.
17052
        (m32c_rtx_costs): New.
17053
        (m32c_address_cost): New.
17054
        (conversions): Add 'B' prefix.
17055
        (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
17056
        operands, or word regnames for QI operands.  'B' prints bit
17057
        position.
17058
        (m32c_expand_setmemhi): New.
17059
        (m32c_expand_movmemhi): New.
17060
        (m32c_expand_movstr): New.
17061
        (m32c_expand_cmpstr): New.
17062
        (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
17063
        (m32c_expand_neg_mulpsi3): Handle non-ints.
17064
        (m32c_cmp_flg_0): New.
17065
        (m32c_expand_movcc): New.
17066
        (m32c_expand_insv): New.
17067
        (m32c_scc_pattern): New.
17068
        * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS.  Take
17069
        a0/a1 out of SIregs.
17070
        (STORE_FLAG_VALUE): New.
17071
        * config/m32c/m32c.md: Add unspecs for string moves.  Define various mode and
17072
        code macros.
17073
        (no_insn): New.
17074
        * config/m32c/mov.md: Make constraints more liberal.
17075
        (zero_extendqihi2): Optimize r0/r1 case.
17076
        * config/m32c/muldiv.md (mulpsi3): Check for intvals.
17077
        * config/m32c/predicates.md (m32c_any_operand): New.
17078
        (m32c_nonimmediate_operand): New.
17079
        (m32c_hl_operand): New.
17080
        (m32c_r3_operand): New.
17081
        (ap_operand): New.
17082
        (ma_operand): New.
17083
        (memsym_operand): New.
17084
        (memimmed_operand): New.
17085
        (a_qi_operand): New.
17086
        (m32c_eqne_operator): New.
17087
        (m32c_1bit8_operand): New.
17088
        (m32c_1bit16_operand): New.
17089
        (m32c_1mask8_operand): New.
17090
        (m32c_1mask16_operand): New.
17091
        * config/m32c/blkmov.md: New file.
17092
        * config/m32c/t-m32c (MD_FILES): Add blkmov.
17093
 
17094
2006-03-08  Andreas Tobler  
17095
 
17096
        * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
17097
        unsigned to fix signed/unsigned comparison issue in
17098
        DWARF2_FRAME_REG_OUT.
17099
        (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
17100
        unsigned comparison issue in DWARF2_FRAME_REG_OUT.
17101
 
17102
        * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
17103
        of ptr into the ENABLE_CHECKING section.
17104
 
17105
2006-03-08  Jeff Law  
17106
 
17107
        * tree-vrp.c (infer_value_range): Only count pointer uses
17108
        and dereferences if -fdelete-null-pointer-checks is enabled.
17109
 
17110
        * tree-vrp.c (find_assert_locations): Infer value ranges for
17111
        single use pointers, but do not create ASSERT_EXPRs for them.
17112
        When a non-null range is inferred for a pointer, backwards
17113
        propagate that range to other equivalent pointers through the
17114
        use-def chain.
17115
 
17116
2006-03-08  Paolo Bonzini  
17117
 
17118
        PR bootstrap/26500
17119
        * Makefile.in (dvi, html, install-info): Invoke the corresponding
17120
        language hook targets.
17121
        * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
17122
        objcp/Make-lang.in: Create stub rules for dvi, html, install-info
17123
        if language hook targets were missing.
17124
 
17125
2006-03-07  Zdenek Dvorak 
17126
 
17127
        * tree-ssa-opfinalize.h: Removed.
17128
        * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
17129
        dependency.
17130
        * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
17131
        (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
17132
        INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
17133
        add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
17134
        finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
17135
        finalize_ssa_v_must_def_ops): New.
17136
 
17137
2006-03-07  Kenneth Zadeck 
17138
 
17139
        * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
17140
        block as parameter.
17141
 
17142
2006-03-07  Geoffrey Keating  
17143
 
17144
        * varasm.c (assemble_end_function): Say that 'fnname' is unused.
17145
 
17146
        * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
17147
        addresses with offsets; reorganize.
17148
 
17149
        * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
17150
        (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
17151
        (expand_builtin_init_dwarf_reg_sizes): Likewise.
17152
 
17153
2006-03-08  David Billinghurst 
17154
 
17155
        PR target/26588
17156
        * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
17157
 
17158
2006-03-08  Ben Elliston  
17159
 
17160
        * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
17161
 
17162
2006-03-07  Aldy Hernandez  
17163
 
17164
        PR gomp/26238
17165
        * doc/passes.texi (Tree-SSA passes): Document omp lowering and
17166
        expansion.
17167
 
17168
2006-03-07  Richard Guenther  
17169
 
17170
        PR tree-optimization/26587
17171
        * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
17172
 
17173
2006-03-07  Richard Sandiford  
17174
 
17175
        * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
17176
 
17177
2006-03-07  Richard Sandiford  
17178
 
17179
        * hooks.c (hook_bool_mode_rtx_true): New function.
17180
        * hooks.h (hook_bool_mode_rtx_true): Declare.
17181
        * toplev.c (compile_file): Call output_shared_constant_pool.
17182
        * varasm.c (shared_constant_pool): New variable.
17183
        (assemble_start_function, assemble_end_function): Remove arguments
17184
        from call to output_constant_pool.
17185
        (create_constant_pool): New function, split out from...
17186
        (init_varasm_status): ...here.
17187
        (force_const_mem): Choose between the shared and per-function constant
17188
        pools.  Set current_function_uses_const_pool when reusing old entries
17189
        as well as when creating new ones.
17190
        (mark_constant): Ignore data argument.
17191
        (mark_constants): Remove pool argument.
17192
        (mark_constant_pool): Likewise.  Use current_function_uses_const_pool
17193
        to decide whether the function uses a constant pool.
17194
        (output_constant_pool_contents): New function, split out from...
17195
        (output_constant_pool): ...here.
17196
        (output_shared_constant_pool): New function.
17197
        (init_varasm_once): Initialize shared_constant_pool.
17198
        * output.h (output_constant_pool): Delete.
17199
        (output_shared_constant_pool): Declare.
17200
        * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
17201
        * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
17202
 
17203
2006-03-06  Nick Clifton  
17204
 
17205
        * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
17206
        flag_strength_reduce.
17207
 
17208
2006-03-06  Ben Elliston  
17209
 
17210
        * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
17211
        x86_64-*-linux* configurations.
17212
 
17213
        * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
17214
        (LIBGCC2_WORDS_BIG_ENDIAN): Define.
17215
 
17216
2006-03-05  Kazu Hirata  
17217
 
17218
        * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
17219
        Remove.
17220
        * basic-block.h: Remove the extern for
17221
        rediscover_loops_after_threading.
17222
 
17223
        * cfgloop.c (cancel_loop): Make it static.
17224
        * cfgloop.h: Remove the prototype for cancel_loop.
17225
 
17226
        * flow.c (recompute_reg_usage): Make it static.
17227
        * rtl.h: Remove the prototype for recompute_reg_usage.
17228
 
17229
        * function.c (use_return_register): Make it static.
17230
        * function.h: Remove the prototype.
17231
 
17232
2006-03-05  Kazu Hirata  
17233
 
17234
        * recog.c (volatile_mem_p, validate_change_maybe_volatile):
17235
        Remove.
17236
        * recog.h: Remove the prototype for
17237
        validate_change_maybe_volatile.
17238
 
17239
2006-03-05  Kazu Hirata  
17240
 
17241
        * rtlanal.c (replace_reg): Remove.
17242
        * rtl.h: Remove the prototype for replace_reg.
17243
 
17244
2006-03-05  Kazu Hirata  
17245
 
17246
        * regclass.c (reg_scan_update): Remove.
17247
        (reg_scan_mark_refs): Remove the last argument.
17248
        * rtl.h: Remove the prototype for reg_scan_update.
17249
 
17250
2006-03-04  Kazu Hirata  
17251
 
17252
        * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
17253
        combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
17254
        config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
17255
        config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
17256
        df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
17257
        loop-invariant.c, omp-low.c, opts.c, passes.c,
17258
        rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
17259
        tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
17260
        tree-ssa-structalias.c, tree-ssa-threadedge.c,
17261
        tree-ssa-threadupdate.c, tree-vect-patterns.c,
17262
        tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
17263
        unwind-dw2.c: Fix comment typos.  Follow spelling conventions.
17264
 
17265
2006-03-04  Kazu Hirata  
17266
 
17267
        * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
17268
        * dwarf2out.h: Remove the prototype for
17269
        dwarf2out_add_library_unit_info.
17270
 
17271
2006-03-04  Kazu Hirata  
17272
 
17273
        * tree.c (add_var_to_bind_expr): Remove.
17274
        * tree.h: Remove the prototype for add_var_to_bind_expr.
17275
 
17276
2006-03-04  Kazu Hirata  
17277
 
17278
        * regclass.c (n_non_fixed_regs): Remove.
17279
        (init_reg_sets_1, globalize_reg): Remove all uses of
17280
        n_non_fixed_regs.
17281
        * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
17282
 
17283
2006-03-04  Kazu Hirata  
17284
 
17285
        * rtlanal.c (insns_safe_to_move_p): Remove.
17286
        * rtl.h: Remove the prototype for insns_safe_to_move_p.
17287
 
17288
2006-03-04  Kazu Hirata  
17289
 
17290
        * expmed.c (expand_mult_add): Remove.
17291
        * expr.h: Remove the prototype for expand_mult_add.
17292
 
17293
2006-03-04  Jakub Jelinek  
17294
 
17295
        * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
17296
        and REG_SAVED_VAL_EXP constants.
17297
        * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
17298
        (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
17299
        Handle regs stored by value.
17300
        (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
17301
        (execute_cfa_program): Handle DW_CFA_val_offset,
17302
        DW_CFA_val_offset_sf and DW_CFA_val_expression.
17303
        (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
17304
        value specially.  Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
17305
        (uw_install_context_1): Handle target regs stored by value.
17306
 
17307
2006-03-03  Daniel Berlin  
17308
 
17309
        * tree-sra.c (tree_sra): Return todoflags;
17310
        (generate_one_element): Set TODO_update_smt_usage if needed.
17311
        (pass_sra): Remove TODO_update_smt_usage.
17312
        * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
17313
        parameter.
17314
        (tree_ssa_forward_propagate_single_use_vars): Return
17315
        TODO_update_smt_usage if we need to update SMT usage.
17316
        (pass_forwprop): Remove TODO_update_smt_usage.
17317
 
17318
2006-03-03  Diego Novillo  
17319
 
17320
        * tree-ssa-operands.c: Tidy whitespace.  Fix spelling.
17321
        (correct_use_link): Remove reference to get_stmt_operands.
17322
        (update_stmt_operands): Likewise.
17323
        (get_modify_expr_operands): New function factored out of
17324
        parse_ssa_operands and get_expr_operands.
17325
        Try to create V_MUST_DEFs for LHS by default.
17326
        (get_expr_operands) : Call
17327
        get_modify_expr_operands.
17328
        : Handle together with ARRAY_REF.
17329
        : Clear opf_kill_def from FLAGS.
17330
        (parse_ssa_operands) : Call
17331
        get_modify_expr_operands.
17332
 
17333
2006-03-03  Kazu Hirata  
17334
 
17335
        * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
17336
        * tree-flow.h: Remove the prototype for
17337
        referenced_var_lookup_if_exists.
17338
 
17339
2006-03-03  Steve Ellcey  
17340
 
17341
        PR rtl-optimization/26345
17342
        PR target/19061
17343
        * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
17344
 
17345
2006-03-03  Roger Sayle  
17346
 
17347
        PR tree-optimization/26524
17348
        * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
17349
        fold_convert to create a constant of the appropriate type.
17350
 
17351
2006-03-03  Richard Sandiford  
17352
 
17353
        * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
17354
        SYMBOL_REF_IN_BLOCK_P.
17355
        * doc/rtl.texi: Likewise.  Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
17356
        of SYMBOL_FLAG_IN_BLOCK.
17357
        * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
17358
        instead of SYMBOL_REF_IN_BLOCK_P.
17359
        * explow.c (use_anchored_address): Likewise.
17360
        * rtl.c (rtx_size): Likewise.
17361
        * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
17362
        instead of SYMBOL_FLAG_IN_BLOCK.
17363
        (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
17364
        SYMBOL_REF_IN_BLOCK_P.
17365
        (assemble_variable): Likewise.
17366
        (output_constant_def_contents): Likewise.
17367
        (output_constant_pool): Likewise.
17368
        (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
17369
        instead of SYMBOL_FLAG_IN_BLOCK.
17370
        * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
17371
        SYMBOL_REF_IN_BLOCK_P.
17372
        (SYMBOL_REF_BLOCK): Likewise.
17373
        (SYMBOL_REF_OFFSET): Likewise.
17374
        (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
17375
        SYMBOL_REF_IN_BLOCK_P.
17376
        (SYMBOL_FLAG_IN_BLOCK): Replace with...
17377
        (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
17378
        (SYMBOL_REF_IN_BLOCK_P): Replace with...
17379
        (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
17380
 
17381
2006-03-03  Jakub Jelinek  
17382
 
17383
        * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
17384
 
17385
2006-03-02  Roger Sayle  
17386
 
17387
        * simplify-rtx.c (simplify_unary_operation): When simplifying
17388
        (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
17389
        that we perform the right shift in the appropriate mode, and
17390
        then extend or truncate the result to requested mode.
17391
 
17392
2006-03-03  Zdenek Dvorak 
17393
 
17394
        * gengtype.c (main): Handle double_int type.
17395
        * tree.h (struct tree_int_cst): Make type of int_cst double_int.
17396
        * double-int.c: New file.
17397
        * double-int.h: New file.
17398
        * system.h: Include doubleint.h.
17399
        * Makefile.in (SYSTEM_H): Include double-int.h.
17400
        (double-int.o): Add.
17401
 
17402
2006-03-03  Joseph S. Myers  
17403
 
17404
        PR bootstrap/26478
17405
        * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
17406
        copying over it.
17407
 
17408
2006-03-02  Zdenek Dvorak 
17409
 
17410
        * tree-vrp.c (remove_range_assertions): Do not update statements
17411
        unnecessarily.
17412
 
17413
2006-03-02  Zdenek Dvorak 
17414
 
17415
        * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
17416
        cleanup.
17417
        * gcse.c (rest_of_handle_gcse): Ditto.
17418
        * except.c (gate_handle_eh): Ditto.
17419
        * cfgcleanup.c (rest_of_handle_jump2): Ditto.
17420
        * basic-block.h (CLEANUP_PRE_LOOP): Remove.
17421
 
17422
2006-03-02  Eric Christopher  
17423
 
17424
        * config/i386/i386.c (machopic_output_stub): Add indirection to
17425
        jump.
17426
 
17427
2006-03-02  Zdenek Dvorak 
17428
 
17429
        * loop.c: Removed.
17430
 
17431
2006-03-02  David S. Miller  
17432
 
17433
        Sun Niagara specific optimizations.
17434
        * config.gcc: Recognize niagara as target.
17435
        * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
17436
        (TARGET_CPU_niagara): Define.
17437
        (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
17438
        (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
17439
        (CPP_CPU_SPEC): Handle -mcpu=niagara.
17440
        (ASM_CPU_SPEC): Likewise.
17441
        (PROCESSOR_NIAGARA): New enum entry.
17442
        (REGISTER_MOVE_COST): Handle Niagara.
17443
        (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
17444
        * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
17445
        (sparc_override_options): Recognize "niagara", set appropriate
17446
        default MASK_* values for it, and align functions to 32-bytes
17447
        by default just like ULTRASPARC/ULTRASPARC3.
17448
        (sparc_initialize_trampoline): Handle niagara like ultrasparc.
17449
        (sparc64_initialize_trampoline): Likewise.
17450
        (sparc_use_sched_lookahead): Use zero for niagara.
17451
        (sparc_issue_rate): Use one for niagara.
17452
        * config/sparc/niagara.md: New file.
17453
        * config/sparc/sparc.md: Include it.
17454
        * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
17455
        ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
17456
        when default cpu is niagara.
17457
        (CPP_CPU_SPEC): Handle -mcpu=niagara.
17458
        (ASM_CPU_SPEC): Likewise.
17459
        * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
17460
        when default cpu is niagara.
17461
        (ASM_CPU_SPEC): Handle -mcpu=niagara.
17462
        * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
17463
        just like v9/ultrasparc/ultrasparc3.
17464
        * doc/invoke.texi: Add documentation for "niagara" and improve
17465
        existing documentation for ultrasparc variants.
17466
 
17467
2006-03-02  Diego Novillo  
17468
 
17469
        * tree-ssa-operands.c (update_stmt_operands): Update documentation.
17470
 
17471
2006-03-02  Richard Sandiford  
17472
 
17473
        * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
17474
        (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
17475
        and say that only one is needed.
17476
        * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
17477
        * target.h (have_switchable_bss_sections): New hook.
17478
        * explow.c (use_anchored_address): Check that the symbol is in a block.
17479
        * varasm.c (tls_comm_section, comm_section, lcomm_section)
17480
        (bss_noswitch_section): New variables.
17481
        (get_unnamed_section): Add SECTION_UNNAMED to the flags.
17482
        (get_noswitch_section): New function.
17483
        (get_block_for_section): Allow SECT to be null.
17484
        (unlikely_text_section_p): Use SECTION_STYLE.
17485
        (bss_initializer_p): New function.
17486
        (get_variable_section): Move earlier in file.  Take a new argument,
17487
        prefer_noswitch_p.  Move bss checks from assemble_variable to here.
17488
        Return one of the new *_sections in such cases.
17489
        (get_block_for_decl): New function, extracting some logic from
17490
        use_blocks_for_decl_p.
17491
        (change_symbol_section): Remove in favor of...
17492
        (change_symbol_block): ...this new function.
17493
        (use_blocks_for_decl_p): Remove checks now performed by
17494
        get_block_for_decl.
17495
        (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
17496
        (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
17497
        (emit_local, emit_bss, emit_common): ...these new functions.
17498
        Return true if the alignment was honored.
17499
        (emit_tls_common): New function.
17500
        (asm_emit_uninitialised): Delete.
17501
        (assemble_variable_noswitch): New function, split out from...
17502
        (assemble_variable): ...here.  Don't make decisions about common
17503
        variables here.  Globalize all public decls that go into non-common
17504
        sections.  Check whether SYMBOL_REF_BLOCK is null.
17505
        (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
17506
        (output_constant_pool): Likewise.
17507
        (init_varasm_once): Initialize the new section variables.
17508
        (have_global_bss_p): New function.
17509
        (categorize_decl_for_section): Use bss_initializer_p.
17510
        (switch_to_section): Use SECTION_STYLE.  Abort for SECTION_NOSWITCH.
17511
        (place_block_symbol): Assert that the symbol must be in a block.
17512
        * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
17513
        (TARGET_INITIALIZER): Include it.
17514
        * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
17515
        * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
17516
        (SECTION_MACH_DEP): Bump by two.
17517
        (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
17518
        (unnamed_section): Mention SECTION_UNNAMED in comment.
17519
        (named_section): Likewise SECTION_NAMED.
17520
        (noswitch_section_callback): New type.
17521
        (noswitch_section): New structure.
17522
        (section): Add a noswitch_section alternative.
17523
        (SECTION_STYLE): New macro.
17524
        (tls_comm_section, comm_section, lcomm_section): Declare.
17525
        (bss_noswitch_section, have_global_bss_p): Declare.
17526
        * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
17527
        * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
17528
        Override.
17529
        * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
17530
        * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
17531
        Override.
17532
 
17533
2006-03-02  Daniel Berlin 
17534
 
17535
        * tree-vrp.c (execute_vrp): Return value.
17536
        * regrename.c (rest_of_handle_regrename): Ditto.
17537
        * tree-into-ssa.c (rewrite_into_ssa): Ditto.
17538
        * tree-complex.c (tree_lower_complex): Ditto.
17539
        (tree_lower_complex_O0): Ditto.
17540
        * tracer.c (rest_of_handle_tracer): Ditto.
17541
        * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
17542
        * postreload.c (rest_of_handle_postreload): Ditto.
17543
        * tree-tailcall.c (execute_tail_recursion): Ditto.
17544
        (execute_tail_calls): Ditto.
17545
        * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
17546
        * tree.h (init_function_for_compilation): Ditto.
17547
        * ipa-cp.c (ipcp_driver): Ditto.
17548
        * tree-scalar-evolution.c (scev_const_prop): Ditto.
17549
        * tree-scalar-evolution.h (scev_const_prop): Ditto.
17550
        * final.c (compute_alignments): Ditto.
17551
        (rest_of_handle_final): Ditto.
17552
        (rest_of_handle_shorten_branches): Ditto.
17553
        (rest_of_clean_state): Ditto.
17554
        * omp-low.c (execute_expand_omp): Ditto.
17555
        (execute_lower_omp): Ditto.
17556
        * tree-ssa-dse.c (tree_ssa_dse): Ditto.
17557
        * ipa-reference.c (static_execute): Ditto.
17558
        * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
17559
        * reorg.c (rest_of_handle_delay_slots): Ditto.
17560
        (rest_of_handle_machine_reorg): Ditto.
17561
        * cgraphunit.c (rebuild_cgraph_edges): Ditto.
17562
        * flow.c (recompute_reg_usage): Ditto.
17563
        (rest_of_handle_remove_death_notes): Ditto.
17564
        (rest_of_handle_life): Ditto.
17565
        (rest_of_handle_flow2): Ditto.
17566
        * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
17567
        * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
17568
        (do_ssa_store_ccp): Ditto.
17569
        (execute_fold_all_builtins): Ditto.
17570
        * mode-switching.c (rest_of_handle_mode_switching): Ditto.
17571
        * modulo-sched.c (rest_of_handle_sms): Ditto.
17572
        * ipa-pure-const.c (static_execute): Ditto.
17573
        * cse.c (rest_of_handle_cse): Ditto.
17574
        (rest_of_handle_cse2): Ditto.
17575
        * web.c (rest_of_handle_web): Ditto.
17576
        * tree-stdarg.c (execute_optimize_stdarg): Ditto.
17577
        * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
17578
        * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
17579
        * tree-nrv.c (tree_nrv): Ditto.
17580
        (execute_return_slot_opt): Ditto.
17581
        * tree-ssa-alias.c (compute_may_aliases): Ditto.
17582
        (create_structure_vars): Ditto.
17583
        * loop-init.c (rtl_loop_init): Ditto.
17584
        (rtl_loop_done): Ditto.
17585
        (rtl_move_loop_invariants): Ditto.
17586
        (rtl_unswitch): Ditto.
17587
        (rtl_unroll_and_peel_loops): Ditto.
17588
        (rtl_doloop): Ditto.
17589
        * gimple-low.c (lower_function_body): Ditto.
17590
        (mark_used_blocks): Ditto.
17591
        * tree-ssa-sink.c (execute_sink_code): Ditto.
17592
        * ipa-inline.c (cgraph_decide_inlining): Ditto.
17593
        (cgraph_early_inlining): Ditto.
17594
        * global.c (rest_of_handle_global_alloc): Ditto.
17595
        * jump.c (cleanup_barriers): Ditto.
17596
        (purge_line_number_notes): Ditto.
17597
        * ifcvt.c (rest_of_handle_if_conversion): Ditto.
17598
        (rest_of_handle_if_after_reload): Ditto.
17599
        * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
17600
        (tree_ssa_loop_im): Ditto.
17601
        (tree_ssa_loop_unswitch): Ditto.
17602
        (tree_vectorize): Ditto.
17603
        (tree_linear_transform): Ditto.
17604
        (tree_ssa_loop_ivcanon): Ditto.
17605
        (tree_ssa_empty_loop): Ditto.
17606
        (tree_ssa_loop_bounds): Ditto.
17607
        (tree_complete_unroll): Ditto.
17608
        (tree_ssa_loop_prefetch): Ditto.
17609
        (tree_ssa_loop_ivopts): Ditto.
17610
        (tree_ssa_loop_done): Ditto.
17611
        * predict.c (tree_estimate_probability): Ditto.
17612
        * recog.c (split_all_insns_noflow): Ditto.
17613
        (rest_of_handle_peephole2): Ditto.
17614
        (rest_of_handle_split_all_insns): Ditto.
17615
        * tree-eh.c (lower_eh_constructs): Ditto.
17616
        * regmove.c (rest_of_handle_regmove): Ditto.
17617
        (rest_of_handle_stack_adjustments): Ditto.
17618
        * local-alloc.c (rest_of_handle_local_alloc): Ditto.
17619
        * function.c (instantiate_virtual_regs): Ditto.
17620
        (init_function_for_compilation): Ditto.
17621
        (rest_of_handle_check_leaf_regs): Ditto.
17622
        * gcse.c (rest_of_handle_jump_bypass): Ditto.
17623
        (rest_of_handle_gcse): Ditto.
17624
        * ipa-type-escape.c (type_escape_execute): Ditto.
17625
        * alias.c (rest_of_handle_cfg): Ditto.
17626
        * tree-if-conv.c (main_tree_if_conversion): Ditto.
17627
        * profile.c (rest_of_handle_branch_prob): Ditto.
17628
        * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
17629
        * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
17630
        * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
17631
        * tree-dfa.c (find_referenced_vars): Ditto.
17632
        * except.c (set_nothrow_function_flags): Ditto.
17633
        (convert_to_eh_region_ranges): Ditto.
17634
        (rest_of_handle_eh): Ditto.
17635
        * emit-rtl.c (unshare_all_rtl): Ditto.
17636
        (remove_unnecessary_notes): Ditto.
17637
        * except.h (set_nothrow_function_flags): Ditto.
17638
        (convert_to_eh_region_ranges): Ditto.
17639
        * cfgexpand.c (tree_expand_cfg): Ditto.
17640
        * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
17641
        * tree-ssa-pre.c (do_pre): Ditto.
17642
        (execute_fre): Ditto.
17643
        * cfgcleanup.c (rest_of_handle_jump): Ditto.
17644
        (rest_of_handle_jump2): Ditto.
17645
        * tree-sra.c (tree_sra): Ditto.
17646
        * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
17647
        (execute_mudflap_function_decls): Ditto.
17648
        * tree-ssa-copy.c (do_copy_prop): Ditto.
17649
        (do_store_copy_prop): Ditto.
17650
        * ipa-prop.h (ipcp_driver): Ditto.
17651
        * cfglayout.c (insn_locators_initialize): Ditto.
17652
        * tree-ssa-forwprop.c
17653
        (tree_ssa_forward_propagate_single_use_vars): Ditto.
17654
        * cfglayout.h (insn_locators_initialize): Ditto.
17655
        * tree-ssa-dce.c (tree_ssa_dce): Ditto.
17656
        * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
17657
        (execute_late_warn_uninitialized): Ditto.
17658
        * rtl.h (cleanup_barriers): Ditto.
17659
        (split_all_insns_noflow): Ditto.
17660
        (purge_line_number_notes): Ditto.
17661
        (unshare_all_rtl): Ditto.
17662
        (remove_unnecessary_notes): Ditto.
17663
        (recompute_reg_usage): Ditto.
17664
        (variable_tracking_main): Ditto.
17665
        * integrate.c (emit_initial_value_sets): Ditto.
17666
        * integrate.h (emit_initial_value_sets): Ditto.
17667
        * tree-optimize.c (execute_free_datastructures): Ditto
17668
        (execute_free_cfg_annotations): Ditto.
17669
        (execute_fixup_cfg): Ditto.
17670
        (execute_cleanup_cfg_pre_ipa): Ditto.
17671
        (execute_cleanup_cfg_post_optimizing): Ditto.
17672
        (execute_init_datastructures): Ditto.
17673
        * tree-object-size.c (compute_object_sizes): Ditto.
17674
        * combine.c (rest_of_handle_combine): Ditto.
17675
        * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
17676
        * bb-reorder.c (duplicate_computed_gotos): Ditto.
17677
        (rest_of_handle_reorder_blocks): Ditto.
17678
        (rest_of_handle_partition_blocks): Ditto.
17679
        * var-tracking.c (variable_tracking_main): Ditto.
17680
        * tree-profile.c (tree_profiling): Ditto.
17681
        * tree-vect-generic.c (expand_vector_operations): Ditto.
17682
        * reg-stack.c (rest_of_handle_stack_regs): Ditto.
17683
        * sched-rgn.c (rest_of_handle_sched): Ditto.
17684
        (rest_of_handle_sched2): Ditto.
17685
        * basic-block.h (free_bb_insn): Ditto.
17686
        * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
17687
        * tree-cfg.c (execute_build_cfg): Ditto.
17688
        (remove_useless_stmts): Ditto.
17689
        (split_critical_edges): Ditto.
17690
        (execute_warn_function_return): Ditto.
17691
        (execute_warn_function_noreturn): Ditto.
17692
        * tree-ssa-reassoc.c (execute_reassoc): Ditto.
17693
        * cfgrtl.c (free_bb_for_insn): Ditto.
17694
        * passes.c (execute_one_pass): Run additional
17695
        todos returned by execute function.
17696
        * tree-pass.h (struct tree_opt_pass): Make execute
17697
        return a value.
17698
 
17699
2006-03-02  Richard Guenther  
17700
 
17701
        * tree-ssa-alias.c (find_used_portions): Consider taking
17702
        the address as making the variable not write-only.
17703
 
17704
2006-03-02  Nick Clifton  
17705
 
17706
        * config.gcc (default_use_cxa_atexit): Extend the description of
17707
        this configure variable.  Set its default value to "yes" for
17708
        Linux, NetBSD and ELF targets on the assumption that they will
17709
        use C libraries with the __cxa_atexit function.
17710
 
17711
2006-03-02  Ben Elliston  
17712
 
17713
        * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
17714
        parameter as unused to suppress a build warning.
17715
 
17716
2006-03-02  Ben Elliston  
17717
 
17718
        * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
17719
        config/dfp-bit.c.
17720
 
17721
2006-03-01  Roger Sayle  
17722
 
17723
        PR other/26489
17724
        * gthr-posix.h (__gthrw2): Define to take three parameters, the
17725
        declared name, the weak reference name, and the typeof name.
17726
        (__gthrw): Avoid expanding the declared name suffix.
17727
        (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
17728
 
17729
2006-03-01  Jakub Jelinek  
17730
 
17731
        * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
17732
        from DWARF 3.
17733
        (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
17734
        DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
17735
        DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
17736
        DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
17737
        DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
17738
        (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
17739
        (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
17740
        DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
17741
        (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
17742
        DW_DS_leading_separate, DW_DS_trailing_separate): New.
17743
        (DW_END_default, DW_END_big, DW_END_little): New.
17744
        (DW_END_lo_user, DW_END_hi_user): Define.
17745
        (DW_LNE_lo_user, DW_LNE_hi_user): Define.
17746
        (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
17747
        (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
17748
        DW_LANG_D): New.
17749
 
17750
2006-03-01  Diego Novillo  
17751
 
17752
        * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
17753
        Update all users.
17754
        * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
17755
        Update all users.
17756
        (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
17757
        Update all users.
17758
        * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
17759
        Update all users.
17760
        * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
17761
        to 'symbol_mem_tag'.
17762
        Update all users.
17763
        * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
17764
        rename.
17765
 
17766
2006-03-01  Roger Sayle  
17767
 
17768
        * builtins.c (fold_builtin_copysign): Delete unreachable code.
17769
 
17770
2006-03-01  Andrew Pinski  
17771
 
17772
        PR target/25761
17773
        * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
17774
        MACHO_DYNAMIC_NO_PIC_P.
17775
        (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
17776
 
17777
2006-03-01  Andrew Pinski  
17778
 
17779
        PR target/26389
17780
        * config/darwin-protos.h (darwin_asm_output_anchor):
17781
        Declare.
17782
        * config/darwin-sections.def (cstring_section):
17783
        Add SECTION_MERGE to the flags.
17784
        (literal4_section): Likewise.
17785
        (literal8_section): Likewise.
17786
        (objc_selector_refs_section): Likewise.
17787
        (objc_cls_refs_section): Likewise.
17788
        * config/darwin.c (darwin_asm_output_anchor): New
17789
        function.
17790
        * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
17791
 
17792
2006-03-01  Daniel Berlin  
17793
 
17794
        Fix PR tree-optimization/26443
17795
        * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
17796
        to todo and PROP_tmt_usage to properties_destroyed.
17797
        * tree-ssa-ccp.c (pass_ccp): Ditto.
17798
        (pass_store_ccp): Ditto.
17799
        * tree-ssa-dom.c (pass_dominator): Ditto.
17800
 
17801
2006-03-01  Diego Novillo  
17802
 
17803
        * tree-ssa-operands.c: Cleanup whitespace.
17804
        (get_asm_expr_operands): Move before first invocation.
17805
        (get_indirect_ref_operands): Likewise.
17806
        (get_tmr_operands): Likewise.
17807
        (get_call_expr_operands): Likewise.
17808
        (append_def): Likewise.
17809
        (append_use): Likewise.
17810
        (append_v_may_def): Likewise.
17811
        (append_v_must_def): Likewise.
17812
        (add_call_clobber_ops): Likewise.
17813
        (add_call_read_ops): Likewise.
17814
        (add_stmt_operand): Likewise.
17815
        (add_virtual_operand): Likewise.
17816
        (build_ssa_operands): Likewise.
17817
 
17818
2006-03-01  Andrew Pinski  
17819
 
17820
        PR middle-end/26022
17821
        Revert:
17822
        PR middle-end/24437
17823
        * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17824
        with a call expr to ...
17825
        * fold-const.c (fold_ternary) : Here.
17826
 
17827
2006-03-01  Diego Novillo  
17828
 
17829
        * tree-vrp.c (extract_range_from_assert): Remove special
17830
        handling for types with super-types.
17831
 
17832
2006-03-01  Ben Elliston  
17833
 
17834
        * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
17835
        and powerpc64-*-linux* configurations.
17836
        * config/t-dfprules: New file.
17837
 
17838
        * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
17839
        Compile dfp-bit.c from the source directory using -DWIDTH and
17840
        $DFP_CFLAGS to control the compilation of that file, rather than
17841
        generating width-specific versions in the build directory.
17842
        * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
17843
        (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
17844
 
17845
2006-02-28  Zack Weinberg  
17846
 
17847
        * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
17848
        continues to work.
17849
 
17850
2006-02-28  Eric Christopher  
17851
 
17852
        * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
17853
        Set up IN_LIBGCC definition of TARGET_64BIT.
17854
        * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
17855
 
17856
2006-02-28  Roger Sayle  
17857
 
17858
        PR middle-end/14752
17859
        * c-common.c (c_common_truthvalue_conversion) 
17860
        BIT_XOR_EXPR, BIT_AND_EXPR>: Delete.  Let fold optimize these
17861
        cases via the construction of "expr != 0".
17862
 
17863
2006-02-28  Steven Bosscher  
17864
 
17865
        * alias.c (alias_invariant, alias_invariant_size): Remove.
17866
        (record_base_value): Remove.
17867
        (memrefs_conflict_p): Don't look at alias_invariant.
17868
        (end_alias_analysis): Don't free it.
17869
        * alias.h (record_base_value): Remove prototype.
17870
 
17871
2006-02-28  Paolo Bonzini  
17872
            Adam Nemet  
17873
 
17874
        * rtl.h (truncated_to_mode): Declare it.
17875
        (struct rtl_hooks): Add reg_truncated_to_mode hook.
17876
        * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
17877
        (RTL_HOOKS_INITIALIZER): Include it.
17878
        * rtlhooks.c (reg_truncated_to_mode_general): New function.
17879
        * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
17880
        reg_truncated_to_mode.
17881
        * rtlanal.c (truncated_to_mode): Define it.
17882
        * simplify-rtx.c (simplify_unary_operation_1): Use it.
17883
 
17884
2006-02-28  Jeff Law  
17885
 
17886
        * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
17887
        conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
17888
        the range allowed by TYPE_PRECISION.
17889
 
17890
        * tree.h (strct phi_arg_d): Remove unused NONZERO field.
17891
 
17892
2006-02-28  Dorit Nuzman  
17893
 
17894
        PR tree-optimization/26419
17895
        * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
17896
        values of n.
17897
 
17898
2006-02-27  Zack Weinberg  
17899
 
17900
        * doc/md.texi: Fix typo in previous change.
17901
 
17902
2006-02-27  Kenneth Zadeck 
17903
 
17904
        * df.c: Remove.
17905
 
17906
2006-02-27  Zack Weinberg  
17907
 
17908
        * rtl.def (define_constraint, define_register_constraint)
17909
        (define_memory_constraint, define_address_constraint): New MD forms.
17910
        * gensupport.c (process_rtx): Put define_constraint etc on the
17911
        predicate queue.
17912
        * genpreds.c (process_define_predicate): Adjust comment.  Validate
17913
        the name, and call validate_exp to validate the expression.
17914
        (mark_mode_tests, write_extract_subexp): Can assume correct input.
17915
        (write_predicate_expr): Likewise.  NAME argument no longer necessary;
17916
        all callers changed.
17917
        (validate_exp, needs_variable, struct constraint_data)
17918
        (constraints_by_letter_table, first_constraint, last_constraint_ptr)
17919
        (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
17920
        (const_dbl_constraints, constraint_max_namelen)
17921
        (have_register_constraints, have_memory_constraints)
17922
        (have_address_constraints, have_address_constraints)
17923
        (have_extra_constraints, have_const_int_constraints)
17924
        (have_const_dbl_constraints, mangle, add_constraint)
17925
        (process_define_constraint, process_define_register_constraint)
17926
        (write_enum_constraint_num, write_lookup_constraint)
17927
        (write_insn_constraint_len, write_regclass_for_constraint)
17928
        (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
17929
        (write_insn_extra_memory_constraint)
17930
        (write_insn_extra_address_constraint)
17931
        (write_satisfies_constraint_fns): New.
17932
        (write_tm_preds_h): If we have new-style constraint definitions,
17933
        prototype the functions generated from them, and define the
17934
        old constraint interface (still used by generic code) in terms of
17935
        those functions.
17936
        (write_insn_preds_c): If we have new-style constraint definitions,
17937
        generate all relevant functions from those definitions.
17938
        (main): Handle define_constraint etc.
17939
        * genoutput.c (struct constraint_data, indep_constraints)
17940
        (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
17941
        (mdep_constraint_len): New data structures and functions, defined
17942
        #ifdef USE_MD_CONSTRAINTS.
17943
        (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
17944
        (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
17945
        use new logic to validate operand constraints against constraint
17946
        definitions.
17947
        (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
17948
        defined.
17949
        * defaults.h: If none of the old-style constraint macros are
17950
        defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
17951
        old-style macros; and poison REG_CLASS_FROM_LETTER,
17952
        CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
17953
        EXTRA_CONSTRAINT.
17954
        * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
17955
        * doc/md.texi: Document new constraint-definition mechanism and the
17956
        C interface it provides.  Remove references to old mechanism
17957
        elsewhere in the document.
17958
        (Machine Constraints): Use pathnames relative to gcc directory,
17959
        i.e. config/ARCH/FILE.  Change i386 section to refer to
17960
        config/i386/predicates.md; update that section to match docstrings.
17961
        * doc/tm.texi: Move all documentation of the old constraint-
17962
        definition macros to their own section, clearly mark as obsolete.
17963
 
17964
        * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
17965
        (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
17966
        definitions.
17967
        * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
17968
        (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
17969
        * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
17970
        constraint strings.
17971
        (splits and peepholes): Use satisfies_constraint_*.
17972
        * config/i386/i386.c (memory_address_length)
17973
        (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
17974
 
17975
2006-02-27  Daniel Berlin  
17976
 
17977
        * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
17978
        scalar operation to be put back into the loop.
17979
 
17980
2006-02-27  Jakub Jelinek  
17981
 
17982
        PR other/26208
17983
        * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
17984
        (extract_cie_info): Handle S flag in augmentation string.
17985
        (execute_cfa_program): If context->signal_frame, execute also
17986
        fs->pc == context->ra instructions.
17987
        (uw_frame_state_for): If context->signal_frame, don't subtract one
17988
        from context->ra to find FDE.
17989
        (uw_update_context_1): Set context->signal_frame to
17990
        fs->signal_frame.
17991
        (_Unwind_GetIPInfo): New function.
17992
        * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
17993
        * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
17994
        of _Unwind_GetIP.
17995
        * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
17996
        * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
17997
        * unwind-compat.c (_Unwind_GetIPInfo): New function.
17998
        * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
17999
        * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
18000
        * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
18001
        * config/i386/linux-unwind.h (x86_fallback_frame_state,
18002
        x86_64_fallback_frame_state): Set fs->signal_frame.
18003
        * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
18004
        (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
18005
        (frob_update_context): Likewise.  Workaround missing S flag in
18006
        Linux 2.6.12 - 2.6.16 kernel vDSOs.
18007
        * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
18008
        Remove the psw_addr + 1 hack.
18009
 
18010
2006-02-27  Daniel Berlin  
18011
 
18012
        * tree-ssa-structalias.c (get_constraint_for): Move code to deal
18013
        with aggregates here.
18014
        (find_func_aliases): Remove code for & from here.
18015
 
18016
2006-02-26  Roger Sayle  
18017
 
18018
        * fold-const.c (fold_binary) : Fold (~X & C) eq/ne 0 as
18019
        (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
18020
        Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
18021
        as (X & C) ne/eq 0.
18022
 
18023
2006-02-26  Roger Sayle  
18024
 
18025
        PR middle-end/19983
18026
        * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
18027
 
18028
2006-02-26  Zdenek Dvorak 
18029
 
18030
        * opts.c (decode_options): Do not handle flag_strength_reduce.
18031
        (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
18032
        and OPT_fstrength_reduce.
18033
        * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
18034
        flag_prefetch_loop_arrays for being nonzero.
18035
        * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
18036
        no-ops.
18037
        (fprefetch-loop-arrays-rtl): Removed.
18038
        (flag_prefetch_loop_arrays): Do not specify the value.
18039
 
18040
        * doc/passes.texi: Update documentation of loop optimizer
18041
        passes.
18042
        * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
18043
        -frerun-loop-opt): Remove.
18044
 
18045
2006-02-26  Richard Guenther  
18046
 
18047
        PR tree-optimization/26421
18048
        * tree-ssa-alias.c (find_used_portions): Don't treat parameters
18049
        in function calls that are ADDR_EXPRs as using the whole structure.
18050
 
18051
2006-02-26  Steven Bosscher  
18052
 
18053
        * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
18054
        * tree-pass.h (pass_loop_optimize): Remove.
18055
        * passes.c (pass_loop_optimize): Never run it.
18056
        * toplev.c (backend_init): Don't call init_loop.
18057
        * opts.c (flag_loop_optimize_set): Remove.
18058
        (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
18059
        (common_handle_option) : Remove.  Don't disable
18060
        the old RTL loop optimizer when profiling enabled.
18061
        * predict.c (tree_estimate_probability): Always strip builtin_expect.
18062
        * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
18063
        pre-headers for the sake of the old RTL loop optimizer.
18064
        * Makefile.in: Remove all references to loop.o.
18065
 
18066
        * doc/invoke.texi: Remove all references to -floop-optimize
18067
        and -frerun-loop-opt.
18068
 
18069
2006-02-26  Zack Weinberg  
18070
 
18071
        * doc/md.texi (Machine Constraints): Refer to all files with paths
18072
        relative to gcc directory (i.e. config/CPU/file).  Add missing
18073
        @table @code ... @end table to M32C subsection.
18074
 
18075
2006-02-26  Roger Sayle  
18076
 
18077
        * fold-const.c (fold_binary) : Fold (X & 1) ^ 1 as
18078
        (X & 1) == 0.
18079
        : Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
18080
 
18081
2006-02-26  Roger Sayle  
18082
            James A. Morrison  
18083
 
18084
        PR middle-end/21137
18085
        * fold-const.c (fold_binary) : Fold ((X>>C1)&C2) eq/ne 0,
18086
        when C2 is a power of two, as either (X&(C2<
18087
        new constant C2<
18088
        signedness of the shift operation.
18089
 
18090
2006-02-26  Dorit Nuzman  
18091
 
18092
        PR tree-optimization/26359
18093
        * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
18094
 
18095
2006-02-25  Roger Sayle  
18096
 
18097
        * simplify-rtx.c (simplify_relational_operation_1): Simplify
18098
        (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y.  Simplify (X^Y) == Y
18099
        as X == 0, and some symmetry related transformations.
18100
        Simplify (X^C1) == C2 as X == (C1^C2).  Split long comment line.
18101
 
18102
2006-02-25  Roger Sayle  
18103
 
18104
        PR middle-end/23673
18105
        * fold-const.c (fold_binary) : Fold (X^Y) == 0 as X == Y
18106
        and (X^Y) != 0 as X != Y.  Fold (X^Y) == Y as X == 0, and some
18107
        symmetry related transformations.  Fold (X^C1) == C2 as
18108
        X == (C1^C2).
18109
 
18110
2006-02-25  Juergen Weigert  
18111
        Richard Guenther  
18112
 
18113
        * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
18114
 
18115
2006-02-24  Adam Nemet  
18116
 
18117
        * combine.c (gen_lowpart_or_truncate): Call
18118
        simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
18119
 
18120
2006-02-24  Diego Novillo  
18121
 
18122
        * doc/invoke.texi: Move -fopenmp description to "Options for
18123
        Code Generation".
18124
        Remove reference to -lgomp.
18125
 
18126
2006-02-24  David Edelsohn  
18127
 
18128
        * doc/install.texi: Require GNU tar version 1.14.
18129
 
18130
2006-02-24  Geoffrey Keating  
18131
 
18132
        * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
18133
        * doc/invoke.texi (C++ Dialect Options): Document
18134
        -fno-use-cxa-get-exception-ptr.
18135
        * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
18136
        * configure: Regenerate.
18137
        * c.opt (fuse-cxa-get-exception-ptr): New.
18138
        * c-opts.c (c_common_handle_option): Handle
18139
        OPT_fuse_cxa_get_exception_ptr.
18140
        * c-common.c (flag_use_cxa_atexit): Update documentation.
18141
        (flag_use_cxa_get_exception_ptr): New.
18142
        * c-common.h (flag_use_cxa_get_exception_ptr): New.
18143
        * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
18144
        documentation.
18145
        (C_COMMON_OVERRIDE_OPTIONS): New.
18146
 
18147
2006-02-24  Roger Sayle  
18148
 
18149
        PR middle-end/24952
18150
        * combine.c (try_combine): Explicitly check whether GET_CODE is
18151
        a SET or a CLOBBER, instead on checking that it isn't a USE.
18152
 
18153
2006-02-24  Roger Sayle  
18154
 
18155
        * fold-const.c (fold_comparison): New subroutine of fold_binary
18156
        containing transformations common to both the equality and
18157
        ordering relational operators, factored out of fold_binary.
18158
        (fold_binary): Separate out the equality operators (EQ_EXPR
18159
        and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
18160
        LE_EXPR and GE_EXPR), calling fold_comparison to perform the
18161
        transformations common to both.
18162
        (fold_div_compare): Fix latent bugs in the previously unreachable
18163
        LT_EXPR and GE_EXPR cases.
18164
 
18165
2006-02-24  David Edelsohn  
18166
 
18167
        * config/rs6000/rs6000.c (rs6000_init_builtins): Change
18168
        decl libname for clog to __clog on AIX.
18169
 
18170
        * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
18171
 
18172
2006-02-24  Alan Modra  
18173
 
18174
        PR target/26453
18175
        * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
18176
        output traceback table for thunks.  Localise rs6000_stack_info call.
18177
 
18178
2006-02-23  Roger Sayle  
18179
            Rainer Orth  
18180
 
18181
        * gthr-posix.h (__gthrw): Fix typo in comment.
18182
 
18183
2006-02-23  Geoffrey Keating  
18184
 
18185
        * doc/cpp.texi (Character sets): Document that we do support
18186
        input files to be in any character set.
18187
 
18188
2006-02-23  Jeff Law  
18189
 
18190
        * tree.h (PHI_ARG_NONZERO): Remove.
18191
        * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
18192
        (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
18193
        node to the new node.
18194
 
18195
        PR tree-optimization/26425
18196
        * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
18197
        min/max, then assume its varying.
18198
 
18199
2006-02-23  Zdenek Dvorak 
18200
 
18201
        PR rtl-optimization/26316
18202
        * rtlanal.c (enum may_trap_p_flags): New.
18203
        (may_trap_p_1): Take flags instead of unaligned_mems argument.  Ignore
18204
        MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
18205
        (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
18206
        (may_trap_after_code_motion_p): New function.
18207
        * loop-invariant.c (find_identical_invariants): Fix dump formating.
18208
        (find_invariant_insn): Use may_trap_after_code_motion_p.
18209
        * rtl.h (may_trap_after_code_motion_p): Declare.
18210
 
18211
2006-02-23  Zdenek Dvorak 
18212
 
18213
        * emit-rtl.c (immed_double_const): Cleanup.
18214
 
18215
2006-02-23  Daniel Berlin  
18216
 
18217
        Fix PR tree-optimization/26376
18218
        * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
18219
        remove assert.
18220
 
18221
2006-02-23  Jakub Jelinek  
18222
 
18223
        PR middle-end/26412
18224
        * gimplify.c (omp_add_variable): Guard variable size decl test with
18225
        DECL_SIZE (decl) check.
18226
 
18227
2006-02-23  Richard Guenther  
18228
 
18229
        PR middle-end/26439
18230
        * tree-ssa-structalias.c (find_func_aliases): Handle complex types
18231
        like aggregate types.
18232
 
18233
2006-02-23  Jakub Jelinek  
18234
 
18235
        * configure.ac: Add --with{,out}-long-double-128 configure option.
18236
        (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
18237
        * configure: Rebuilt.
18238
        * config.in: Rebuilt.
18239
        * doc/install.texi (Options specification): Document
18240
        --with-long-double-128.
18241
 
18242
        * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
18243
        (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
18244
        * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
18245
        (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
18246
 
18247
2006-02-23  Aldy Hernandez  
18248
 
18249
        * config/s390/s390.c (override_options): Handle
18250
        TARGET_DEFAULT_LONG_DOUBLE_128.
18251
 
18252
        * config/alpha/alpha.c (override_options): Handle
18253
        TARGET_DEFAULT_LONG_DOUBLE_128.
18254
 
18255
        * config/sparc/sparc.c (sparc_override_options): Handle
18256
        TARGET_DEFAULT_LONG_DOUBLE_128.
18257
 
18258
2006-02-22  Daniel Jacobowitz  
18259
 
18260
        * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
18261
        (real-install-headers-tar, real-install-headers-cpio)
18262
        (real-install-headers-cp): New targets.
18263
 
18264
2006-02-22  Richard Sandiford  
18265
 
18266
        * tree.h (variable_section): Delete.
18267
        * varasm.c (variable_section): Delete.
18268
 
18269
2006-02-22  Paolo Bonzini  
18270
 
18271
        * install.texi: Add notes on install.texi2html.
18272
        (Building in parallel): Do not use footnotes.
18273
 
18274
2006-02-21  Aldy Hernandez  
18275
 
18276
        PR libgomp/26234
18277
        * doc/install.texi (Configuration): Document --disable-libgomp.
18278
 
18279
2006-02-21  Geoffrey Keating  
18280
 
18281
        * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
18282
 
18283
2006-02-21  Alexandre Oliva  
18284
 
18285
        * config/i386/sse.md (vec_extractv2df_1_sse): New.
18286
        (vec_extractv2df_0_sse): New.
18287
 
18288
2006-02-21  Alexandre Oliva  
18289
 
18290
        * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
18291
        * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
18292
        * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
18293
        * dwarf2out.c (build_cfa_loc): New offset parameter.  Add it
18294
        to the result of the expression.
18295
        (def_cfa_1): Adjust.
18296
        (frame_pointer_cfa_offset): Rename to...
18297
        (frame_pointer_fb_offset): ... this.  Adjust all uses.
18298
        (convert_cfa_to_loc_list): Rename to...
18299
        (convert_cfa_to_fb_loc_list): ... this.  New offset parameter.
18300
        Pass it on to build_cfa_loc.
18301
        (compute_frame_pointer_to_cfa_displacement): Rename to...
18302
        (compute_frame_pointer_to_fb_displacement): ... this.  New
18303
        offset parameter.  Use it in computation.
18304
        (gen_subprogram_die): Compute cfa_fb_offset with the new
18305
        macro, and use it to compute the fb loc list and the
18306
        displacement.
18307
 
18308
2006-02-21  Bernd Schmidt  
18309
 
18310
        * config/bfin/predicates.md (cc_operand): Delete predicate.  All uses
18311
        replaced with register_operand.
18312
        * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
18313
        non-DREG is expensive.
18314
        * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
18315
        * config/bfin/bfin.md (movbi): Fix constraints and template for moves
18316
        involving memory.
18317
 
18318
2006-02-21  Joseph S. Myers  
18319
 
18320
        * doc/install.texi2html: Use set -e.
18321
 
18322
2006-02-21  Richard Sandiford  
18323
 
18324
        * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
18325
        (ASM_OUTPUT_SHARED_LOCAL): Delete.
18326
        * doc/invoke.texi (-fshared-data): Delete.
18327
        * common.opt (fshared-data): Delete.
18328
        * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
18329
        (assemble_static_space): Remove #if 0 code.
18330
        * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
18331
        (ASM_OUTPUT_SHARED_LOCAL): Poison.
18332
        * config/cris/cris.h: Remove FIXME.
18333
 
18334
2006-02-21  Paolo Bonzini  
18335
 
18336
        * doc/sourcebuild.texi (Front End Directory): No more double-colon
18337
        hooks.
18338
 
18339
2006-02-21  Jakub Jelinek  
18340
 
18341
        PR middle-end/26379
18342
        * combine.c (simplify_shift_const_1): Disable nested shifts
18343
        optimization for vector shifts.
18344
 
18345
2006-02-20  Roger Sayle  
18346
 
18347
        PR tree-optimization/26361
18348
        * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
18349
        of unsigned integer types.
18350
 
18351
2006-02-20  Sebastian Pop  
18352
 
18353
        * tree-chrec.c (eq_evolutions_p): New.
18354
        * tree-chrec.h (eq_evolutions_p): Declared.
18355
        * tree-data-ref.c: Fix formatting.
18356
        (datadep_stats, dependence_stats): New.
18357
        (gcd): Moved...
18358
        (print_direction_vector): New.
18359
        (dump_data_dependence_relation): Use print_direction_vector.
18360
        (object_analysis, create_data_ref): Handle COMPONENT_REF.
18361
        (compute_subscript_distance): Static.
18362
        (initialize_data_dependence_relation): Static.  Get the number
18363
        of loops surrounding the references from the callers, and initialize
18364
        DDR_SIZE_VECT to nb_loops.  Use both base_addr_differ_p and
18365
        base_object_differ_p analyzers.
18366
        (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
18367
        compute_overlap_steps_for_affine_1_2,
18368
        analyze_subscript_affine_affine): Count the classified dependences.
18369
        Print a message when a test failed.
18370
        (can_use_analyze_subscript_affine_affine): New.
18371
        (analyze_siv_subscript): Compute the data dependences on symbolic
18372
        scevs that verify can_use_analyze_subscript_affine_affine.
18373
        (chrec_steps_divide_constant_p): Returns true, false, or unknown.
18374
        (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
18375
        Handle symbolic scevs.
18376
        (analyze_overlapping_iterations): Let symbolic affine scevs to be
18377
        analyzed.
18378
        (subscript_dependence_tester): Moved...
18379
        (build_classic_dist_vector, build_classic_dir_vector): Don't use
18380
        lambda_vector_clear on newly allocated vectors.  Get nb_loops from
18381
        DDR_SIZE_VECT instead of getting it in parameter.
18382
        (subscript_dependence_tester): ... here.  Take as a parameter
18383
        loop_nest_depth.  Call build_classic_dist_vector and
18384
        build_classic_dir_vector.
18385
        (compute_affine_dependence): Update subscript_dependence_tester
18386
        parameters.  Update datadep_stats counters.  Call
18387
        compute_subscript_distance.
18388
        (compute_self_dependence): Save the dist and dir vectors.  Call
18389
        compute_subscript_distance.
18390
        (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
18391
        (compute_all_dependences): Reorder parameters as they were before
18392
        conversion to VEC.  Pass nb_loops and loop_nest_depth.  Don't call
18393
        compute_subscript_distance.  Update the use of
18394
        compute_affine_dependence and initialize_data_dependence_relation.
18395
        (find_data_references_in_loop): Handle COMPONENT_REF.
18396
        (compute_data_dependences_for_loop): Initialize dependence_stats.
18397
        Don't call build_classic_dist_vector and build_classic_dir_vector.
18398
        Update the parameters of initialize_data_dependence_relation and
18399
        compute_all_dependences.  Print the statistics from datadep_stats.
18400
        (analyze_all_data_dependences): Static.  Not used until the pass for
18401
        checking the data dependences is contributed.
18402
        * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
18403
        DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
18404
        (initialize_data_dependence_relation, compute_affine_dependence,
18405
        analyze_all_data_dependences, compute_subscript_distance): Removed.
18406
        (print_direction_vector): New.
18407
        * lambda.h (gcd): ... here.
18408
        (lambda_vector_gcd): Moved here from gcd_vector.
18409
        * lambda-code.c (gcd, gcd_vector): Removed.
18410
        (lambda_compute_target_space): Use lambda_vector_gcd.  Fix formatting.
18411
        * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
18412
 
18413
2006-02-20  Diego Novillo  
18414
 
18415
        * ipa-type-escape.c: Tidy some comments and white space.
18416
        * tree-ssa-operands.c: Likewise.
18417
 
18418
2006-02-20  Andrew Pinski  
18419
 
18420
        PR tree-opt/25879
18421
        * tree-pretty-print.c (debug_tree_chain): Walk the chains.
18422
        (dump_decl_name): Do not walk the decl tree chains.
18423
        * tree-pass.h (TDF_CHAIN): Remove.
18424
 
18425
2006-02-20  Rafael Ávila de Espíndola  
18426
 
18427
        * Makefile.in (C): Remove
18428
        (PROTO): Remove
18429
        (.PHONY): Remove C and PROTO
18430
 
18431
2006-02-20  Roger Sayle  
18432
 
18433
        PR middle-end/26236
18434
        * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
18435
        deprecated CHAR_TYPE tree code.
18436
 
18437
2006-02-20  Paolo Bonzini  
18438
 
18439
        * configure.ac (target_list): Add install-info, dvi, html.
18440
        * configure: Regenerate.
18441
 
18442
        * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
18443
        java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
18444
        treelang/Make-lang.in: Do not use double-colon rules.
18445
 
18446
2006-02-20  Daniel Berlin  
18447
 
18448
        * tree.h (struct tree_memory_tag): Add is_used_alone member.
18449
        (TMT_USED_ALONE): New macro.
18450
        * tree-pass.h (PROP_tmt_usage): New property.
18451
        (TODO_update_tmt_usage): New todo.
18452
        * tree-ssa-alias.c (updating_used_alone): New variable.
18453
        (recalculate_used_alone): New function.
18454
        (compute_may_aliases): Set updating_used_alone, call
18455
        recalculate_used_alone.
18456
        * tree-sra.c (pass_sra): Note that this pass destroys
18457
        PROP_tmt_usage, and add TODO_update_tmt_usage.
18458
        * tree-ssa-forwprop.c (pass_forwprop): Ditto.
18459
        * tree-flow.h (updating_used_alone): Prototype.
18460
        (recalculate_used_alone): Ditto.
18461
        * passes.c (execute_todo): Add code to set updating_used_alone,
18462
        and call recalculate.
18463
        * tree-ssa-operands.c (add_virtual_operand): Only append bare def
18464
        for clobber if used alone, and add assert to verify used_alone
18465
        status.
18466
 
18467
2006-02-20  Angel Nunez Mencias  
18468
 
18469
        * config/s390/s390.c (legitimize_pic_address): Assertions checking
18470
        for non tls symbols added.
18471
        (legitimize_address): Do nothing for PLUS expressions if one of the
18472
        addends is a tls symbol reference.
18473
 
18474
2006-02-20  Paolo Bonzini  
18475
 
18476
        PR bootstrap/25476
18477
 
18478
        * Makefile.in (LDFLAGS): Define from autoconf substitution.
18479
 
18480
        * Makefile.in (BOOTSTRAPPING): New.
18481
        (quickstrap): New definition if BOOTSTRAPPING=yes.
18482
 
18483
        * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
18484
        * configure.ac: Substitute all_selected_languages with the languages
18485
        that were configured.  For all the other variables except
18486
        lang_specs_files, include all the languages in the tree.
18487
        * configure: Regenerate.
18488
 
18489
        * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
18490
        if there is one.  Run the commands to run fixincludes in the same
18491
        subshell.
18492
 
18493
        * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
18494
        * doc/install.texi: Document exact conventions for searching target tools.
18495
        Document --with-build-time-tools.  Document toplevel bootstrap.  Document
18496
        something more about building an Ada cross-compiler.  Don't list GNU Make
18497
        requirements which affect all platforms.
18498
 
18499
2006-02-19  Roger Sayle  
18500
 
18501
        PR middle-end/19543
18502
        * varasm.c (compare_constant) : Integer constants are
18503
        only equivalent if the have both the same mode and precision.
18504
 
18505
2006-02-20  Ben Elliston  
18506
 
18507
        * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
18508
 
18509
2006-02-19  Roger Sayle  
18510
            Steven Bosscher  
18511
 
18512
        * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
18513
        constant pool references to identify stack mode constants.
18514
        * rtlanal.c (constant_pool_constant_p): New predicate to check
18515
        whether operand is a floating point constant in the pool.
18516
        * rtl.h (constant_pool_constant_p): Prototype here.
18517
        * loop.c (scan_loop): Avoid hoisting constants from the constant
18518
        pool on STACK_REGS targets.
18519
        (load_mems): Likewise.
18520
        * loop-invariant.c (get_inv_cost): Make hoisting constant pool
18521
        loads into x87 registers expensive in terms of register pressure.
18522
 
18523
2006-02-19  Roger Sayle  
18524
 
18525
        * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
18526
        __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
18527
 
18528
2006-02-19  David Edelsohn  
18529
 
18530
        * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
18531
        * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
18532
 
18533
2006-02-19  Daniel Berlin  
18534
 
18535
        * doc/invoke.texi: Document -fipa-pta.
18536
        * common.opt: Add ipa-pta option.
18537
        * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
18538
        (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
18539
        (do_ds_constraint): Ditto.
18540
        (get_constraint_for): Only add to referenced_vars if
18541
        referenced_vars exists.
18542
        (insert_into_field_list): Rewrite to do this unsorted.
18543
        (insert_into_field_list_sorted): Rename old insert_into_field_list
18544
        to this.
18545
        (create_function_info_for): Use insert_into_field_list_sorted.
18546
        (create_variable_info_for): Rewrite so it uses unsorted version,
18547
        since the field list is sorted.
18548
        (intra_create_variable_infos): Only add to referenced_vars if
18549
        referenced_vars exists.
18550
        (ipa_pta_execute): Init heapvars, and delete when done.
18551
        * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
18552
 
18553
2006-02-19  John David Anglin  
18554
 
18555
        * doc/install.texi: Add missing `@samp'.
18556
 
18557
2006-02-18  Andrew Pinski 
18558
 
18559
        * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
18560
        Use the arguments.
18561
 
18562
2006-02-18  Mark Wielaard  
18563
 
18564
        * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
18565
        who added new 4.1 features, bug fixes and integration support.
18566
 
18567
2006-02-18  David Edelsohn  
18568
 
18569
        PR target/26350
18570
        * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
18571
        MEM for ABI_V4 pic.
18572
 
18573
2006-02-18  Richard Sandiford  
18574
 
18575
        * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
18576
        * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
18577
        (copy_insn_1): Likewise.  Don't copy each field individually.
18578
        Reindent.
18579
        * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
18580
        of RTX_SIZE.
18581
        * reload1.c (eliminate_regs): Use shallow_copy_rtx.
18582
        * rtl.c (rtx_size): Rename variable to...
18583
        (rtx_code_size): ...this.
18584
        (rtx_size): New function.
18585
        (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
18586
        (copy_rtx): Use shallow_copy_rtx.  Don't copy each field individually.
18587
        Reindent.
18588
        (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
18589
        * rtl.h (rtx_code_size): New variable.
18590
        (rtx_size): Change from a variable to a function.
18591
        (RTX_SIZE): Rename to...
18592
        (RTX_CODE_SIZE): ...this.
18593
 
18594
        PR target/9703
18595
        PR tree-optimization/17106
18596
        * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
18597
        (Anchored Addresses): New section.
18598
        * doc/invoke.texi (-fsection-anchors): Document.
18599
        * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
18600
        (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
18601
        (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
18602
        * hooks.c (hook_bool_mode_rtx_false): New function.
18603
        * hooks.h (hook_bool_mode_rtx_false): Declare.
18604
        * gengtype.c (create_optional_field): New function.
18605
        (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
18606
        SYMBOL_REF_IN_BLOCK_P is true.
18607
        * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
18608
        (min_anchor_offset, max_anchor_offset): Likewise.
18609
        (use_anchors_for_symbol_p): New hook.
18610
        * toplev.c (compile_file): Call output_object_blocks.
18611
        (target_supports_section_anchors_p): New function.
18612
        (process_options): Check that -fsection-anchors is only used on
18613
        targets that support it and when -funit-at-a-time is in effect.
18614
        * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
18615
        if the decl doesn't have one.
18616
        * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
18617
        * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
18618
        of force_const_mem through use_anchored_address.
18619
        (expand_expr_constant): New function.
18620
        (expand_expr_addr_expr_1): Call it.  Use the same modifier when
18621
        calling expand_expr for INDIRECT_REF.
18622
        (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
18623
        for all modifiers except EXPAND_INITIALIZER.  Use expand_expr_constant.
18624
        * expr.h (use_anchored_address): Declare.
18625
        * loop-unroll.c: Don't declare rtx vectors here.
18626
        * explow.c: Include output.h.
18627
        (validize_mem): Call use_anchored_address.
18628
        (use_anchored_address): New function.
18629
        * common.opt (-fsection-anchors): New switch.
18630
        * varasm.c (object_block_htab, anchor_labelno): New variables.
18631
        (hash_section, object_block_entry_eq, object_block_entry_hash)
18632
        (use_object_blocks_p, get_block_for_section, create_block_symbol)
18633
        (use_blocks_for_decl_p, change_symbol_section): New functions.
18634
        (get_variable_section): New function, split out from assemble_variable.
18635
        (make_decl_rtl): Create a block symbol if use_object_blocks_p and
18636
        use_blocks_for_decl_p say so.  Use change_symbol_section if the
18637
        symbol has already been created.
18638
        (assemble_variable_contents): New function, split out from...
18639
        (assemble_variable): ...here.  Don't output any code for
18640
        block symbols; just pass them to place_block_symbol.
18641
        Use get_variable_section and assemble_variable_contents.
18642
        (get_constant_alignment, get_constant_section, get_constant_size): New
18643
        functions, split from output_constant_def_contents.
18644
        (build_constant_desc): Create a block symbol if use_object_blocks_p
18645
        says so.  Or into SYMBOL_REF_FLAGS.
18646
        (assemble_constant_contents): New function, split from...
18647
        (output_constant_def_contents): ...here.  Don't output any code
18648
        for block symbols; just pass them to place_section_symbol.
18649
        Use get_constant_section and get_constant_alignment.
18650
        (force_const_mem): Create a block symbol if use_object_blocks_p and
18651
        use_blocks_for_constant_p say so.  Or into SYMBOL_REF_FLAGS.
18652
        (output_constant_pool_1): Add an explicit alignment argument.
18653
        Don't switch sections here.
18654
        (output_constant_pool): Adjust call to output_constant_pool_1.
18655
        Switch sections here instead.  Don't output anything for block symbols;
18656
        just pass them to place_block_symbol.
18657
        (init_varasm_once): Initialize object_block_htab.
18658
        (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
18659
        (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
18660
        (place_block_symbol, get_section_anchor, output_object_block)
18661
        (output_object_block_htab, output_object_blocks): New functions.
18662
        * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
18663
        (TARGET_ASM_OUT): Include it.
18664
        (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
18665
        (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
18666
        (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
18667
        (TARGET_INITIALIZER): Include them.
18668
        * rtl.c (rtl_check_failed_block_symbol): New function.
18669
        * rtl.h: Include vec.h.  Declare heap and gc rtx vectors.
18670
        (block_symbol, object_block): New structures.
18671
        (rtx_def): Add a block_symbol field to the union.
18672
        (BLOCK_SYMBOL_CHECK): New macro.
18673
        (rtl_check_failed_block_symbol): Declare.
18674
        (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
18675
        (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
18676
        (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
18677
        (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
18678
        * output.h (output_section_symbols): Declare.
18679
        (object_block): Name structure.
18680
        (place_section_symbol, get_section_anchor, default_asm_output_anchor)
18681
        (default_use_anchors_for_symbol_p): Declare.
18682
        * Makefile.in (RTL_BASE_H): Add vec.h.
18683
        (explow.o): Depend on output.h.
18684
        * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
18685
        (TARGET_MAX_ANCHOR_OFFSET): Likewise.
18686
        (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
18687
        (rs6000_use_blocks_for_constant_p): New function.
18688
 
18689
2006-02-18  John David Anglin  
18690
 
18691
        * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
18692
 
18693
2006-02-18  Andrew Pinski  
18694
 
18695
        PR tree-opt/25680
18696
        * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
18697
        IMAGPART_EXPR.
18698
 
18699
2006-02-18  Diego Novillo  
18700
 
18701
        * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
18702
        is_aliased.
18703
        Update all users.
18704
 
18705
2006-02-18  Jakub Jelinek  
18706
 
18707
        PR middle-end/26334
18708
        * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
18709
        instead of DECL_REGISTER.
18710
 
18711
2006-02-18  Olivier Hainque  
18712
 
18713
        PR ada/13408
18714
        * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
18715
 
18716
2006-02-18  Joseph S. Myers  
18717
 
18718
        PR target/24837
18719
        * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
18720
        * opth-gen.awk: Handle Var and InverseMask together.
18721
        * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
18722
        * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
18723
        (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
18724
        (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
18725
        used together.
18726
        (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
18727
        LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18728
        * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
18729
        UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18730
        LINUX_DYNAMIC_LINKER): Define.
18731
        (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
18732
        * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
18733
        TARGET_GLIBC.
18734
        * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18735
        (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
18736
        * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18737
        (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18738
        (TARGET_C99_FUNCTIONS): Don't define.
18739
        * config/i386/linux.h (DYNAMIC_LINKER): Rename to
18740
        GLIBC_DYNAMIC_LINKER.
18741
        (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
18742
        * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
18743
        GLIBC_DYNAMIC_LINKER64): Define.
18744
        (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
18745
        LINUX_DYNAMIC_LINKER64.
18746
        * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18747
        (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18748
        * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
18749
        (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18750
        * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18751
        (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18752
        * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
18753
        GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
18754
        UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
18755
        (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
18756
        and LINUX_DYNAMIC_LINKER32.
18757
        * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18758
        (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18759
        * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
18760
        (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18761
        * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
18762
        TARGET_GLIBC.
18763
        * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
18764
        (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
18765
        UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
18766
        CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18767
        LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18768
        (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
18769
        (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
18770
        * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
18771
        UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18772
        LINUX_DYNAMIC_LINKER): Define.
18773
        (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
18774
        * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
18775
        GLIBC_DYNAMIC_LINKER64): Define.
18776
        (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
18777
        LINUX_DYNAMIC_LINKER64.
18778
        * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18779
        (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18780
        * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
18781
        UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18782
        LINUX_DYNAMIC_LINKER): Define.
18783
        (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18784
        (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
18785
        * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
18786
        GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
18787
        UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
18788
        LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18789
        (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
18790
        (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
18791
        (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
18792
        * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18793
        (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18794
        * doc/invoke.texi (-muclibc): Remove caveat about supported
18795
        targets.
18796
 
18797
2006-02-17  Grigory Zagorodnev 
18798
 
18799
        * doc/cpp.texi (__TIMESTAMP__): Document.
18800
 
18801
2006-02-17  Roger Sayle  
18802
 
18803
        PR middle-end/25600
18804
        * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
18805
        C is one less than the width of X (and related transformations).
18806
        * simplify-rtx.c (simplify_unary_operation_1): Transform
18807
        (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
18808
        depending on STORE_FLAG_VALUE, were C is one less then the
18809
        width of X.
18810
 
18811
2006-02-17  Daniel Berlin  
18812
 
18813
        Fix PR tree-optimization/26341
18814
        * tree-ssa-operands.c (add_virtual_operand): Remove assert
18815
        about NAME_MEMORY_TAG's.
18816
 
18817
2006-02-17  John David Anglin  
18818
 
18819
        PR target/26255
18820
        * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
18821
        with hardware float support, and software float support.  Add fcpy
18822
        alternative to hardware patterns.  Add alternatives to copy between
18823
        general and floating-point registers to the 32-bit pattern.
18824
        * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
18825
        secondary reload to load a QI or HI mode constant into a floating
18826
        point register.
18827
        * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
18828
        * pa64-regs.h (VALID_FP_MODE_P): Likewise.
18829
 
18830
2006-02-17  Andrew Pinski  
18831
 
18832
        PR target/26272
18833
        * config/rs6000/darwin.md (load_macho_picbase_si): Add
18834
        pc to the pattern.
18835
        (load_macho_picbase_di): Likewise.
18836
 
18837
2006-02-16  Jeff Law  
18838
 
18839
        * tree-vrp.c (set_value_range_to_nonnegative): New function.
18840
        (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
18841
        (ssa_name_nonzero_p): Likewise.
18842
        (get_value_range): Return NULL if VRP is not running.
18843
        (extract_range_from_expr): Fallback to tree_expr_XXX_p if
18844
        VRP routines do not discover a range.
18845
        (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
18846
        * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
18847
        * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
18848
        (tree_expr_nonnegative_p): Similarly.
18849
        * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
18850
        (restore_nonzero_vars_to_original_value): Remove.
18851
        (unsafe_associative_fp_binop): Remove.
18852
        (tree_ssa_dominator_optimize): Remove initialization and
18853
        finalization of nonzero_vars and nonzero_vars_stack.
18854
        (dom_opt_initialize_block): No longer push marker on
18855
        nonzero_vars_stack.
18856
        (dom_opt_finalize_block): No longer call
18857
        restore_nonzero_vars_to_original_value.
18858
        (record_equivalences_from_phis): No longer look for
18859
        nonzero PHI arguments.
18860
        (cprop_into_successor_phis): No longer propagate nonzero
18861
        property into PHI arguments.  Lose unused argument.  Caller
18862
        updated.
18863
        (record_equivalences_from_stmt): No longer record nonzero
18864
        values for SSA_NAMEs.
18865
        (lookup_avail_expr): No longer use nonzero_vars.
18866
 
18867
        * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
18868
        for sizetype when sizetype is unsigned.
18869
 
18870
2006-02-16  Denis Nagorny 
18871
 
18872
        PR rtl-optimization/25603
18873
        * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
18874
        (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
18875
        * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
18876
        with new meaning of SETS.
18877
 
18878
2006-02-16  Joseph S. Myers  
18879
 
18880
        PR target/20353
18881
        PR target/24578
18882
        PR target/24837
18883
        * config/linux.opt: New file.
18884
        * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
18885
        LINUX_DYNAMIC_LINKER): Define.
18886
        (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
18887
        * config.gcc (*-*-linux*): Define extra_options.
18888
        (*-*-*uclibc*): Define UCLIBC_DEFAULT.
18889
        (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
18890
        * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
18891
        GLIBC_DYNAMIC_LINKER.
18892
        * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
18893
        (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18894
        * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18895
        (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18896
        * doc/invoke.texi (GNU/Linux Options): New section.
18897
 
18898
2006-02-16  Eric Botcazou  
18899
 
18900
        * config/sparc/sparc.md (setjmp): Rewrite.
18901
        (setjmp_32): Delete.
18902
        (setjmp_64): Likewise.
18903
 
18904
2006-02-16  Daniel Berlin 
18905
 
18906
        * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
18907
         previous change.
18908
 
18909
2006-02-16  Zdenek Dvorak 
18910
 
18911
        * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
18912
        read-write uses.
18913
 
18914
2006-02-16  Zdenek Dvorak 
18915
 
18916
        PR rtl-optimization/26296
18917
        * Makefile.in (loop-invariant.c): Add except.h dependency.
18918
        * loop-invariant.c: Include except.h.
18919
        (find_invariant_insn): Ignore insns satisfying can_throw_internal.
18920
 
18921
2006-02-16  Paul Brook  
18922
 
18923
        * reload1.c (emit_reload_insns): Invalidate dead input registers used
18924
        for reloads.
18925
 
18926
2006-02-16  Bernd Schmidt  
18927
 
18928
        PR rtl-optimization/25636
18929
        * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
18930
        when deciding whether an insn is an initializing insn.
18931
 
18932
2006-02-15 Daniel Berlin  
18933
 
18934
        * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
18935
        (tree_code_size): Ditto.
18936
        * tree.h (struct tree_memory_tag): Remove parent_var.
18937
        (struct tree_struct_field_tag): New.
18938
        (SFT_OFFSET): New.
18939
        (SFT_SIZE): New.
18940
        (union tree_node): Add sft member.
18941
        * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
18942
        specially here.
18943
        (create_sft): Add size and offset argument, set SFT_OFFSET and
18944
        SFT_SIZE.
18945
        (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
18946
        * treestruct.def: Add TS_STRUCT_FIELD_TAG.
18947
        * tree-flow-inline.h (get_subvar_at): Update for
18948
        SFT_OFFSET/SFT_SIZE.
18949
        (var_can_have_subvars): Ditto.
18950
        (overlap_subvar): Ditto.
18951
        * print-tree.c (print_node): Print out interesting things for
18952
        SFT's.
18953
        * tree-flow.h (struct subvar): Remove offset and size members.
18954
        * tree-ssa-operands.c (get_expr_operands): Update for
18955
        get_indirect_ref_operands changes.
18956
        (get_indirect_ref_operands): Call add_virtual_operand instead of
18957
        add_stmt_operand.  Only recurse on base var if requested.
18958
        (access_can_touch_variable): New function.
18959
        (add_stmt_operand): Split virtual operand handling into ...
18960
        (add_virtual_operand): Here.  Add offset, size, and for_clobber
18961
        arguments.  Prune alias sets.
18962
        (add_call_clobber_ops): Call add_virtual_operand.
18963
 
18964
2006-02-15  Jakub Jelinek  
18965
 
18966
        PR middle-end/26300
18967
        * combine.c (make_extraction): Bail out if ORIG_POS is negative.
18968
 
18969
        * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
18970
        than TREE_CODE as index into omp_clause_num_ops array.
18971
 
18972
2006-02-15  Uttam Pawar  
18973
 
18974
        PR rtl-optimization/26184
18975
        * modulo-sched.c (generate_reg_moves): Free bitmap vector
18976
        uses_of_defs.
18977
        * modulo-sched.c (sms_schedule): Free g_arr pointer.
18978
        * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
18979
        must_precede, must_follow and tobe_scheduled.
18980
 
18981
        PR other/26147
18982
        * opts.c (common_handle_option): Free new_option pointer.
18983
        * df-core.c (df_analyze): Free postorder pointer.
18984
 
18985
2006-02-15  Rafael Ávila de Espíndola 
18986
 
18987
        * Makefile.in: Fix the examples about the use of stamps
18988
 
18989
2006-02-15  Michael Matz  
18990
 
18991
        PR middle-end/22275
18992
 
18993
        * stor-layout.c (layout_decl): Zero-width bitfields aren't
18994
        influenced by maximum_field_alignment or DECL_PACKED.
18995
        (update_alignment_for_field): Ditto.
18996
        (place_field): Ditto.
18997
        * doc/extend.texi (<#pragma pack>, ): Document
18998
        this behaviour.
18999
 
19000
2006-02-15  Paolo Bonzini  
19001
 
19002
        * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
19003
        (debug_flow_info): Pass it.
19004
        * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
19005
        * bb-reorder.c (reorder_basic_blocks): Likewise.
19006
        * cfgcleanup.c (rest_of_handle_jump2): Likewise.
19007
        * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
19008
        * flow.c (life_analysis, recompute_reg_usage): Likewise.
19009
        * gcse.c (gcse_main, bypass_jumps): Likewise.
19010
        * ifcvt.c (rest_of_handle_if_conversion): Likewise.
19011
        * local-alloc.c (rest_of_handle_local_alloc): Likewise.
19012
        * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
19013
        * profile.c (compute_branch_probabilities, branch_prob): Likewise.
19014
        * rtl.h (dump_flow_info): Adjust prototype.
19015
        * tracer.c (rest_of_handle_tracer, tracer): Likewise.
19016
        * var-tracking.c (variable_tracking_main): Likewise.
19017
        * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
19018
        * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
19019
        options.
19020
 
19021
2006-02-15  Marcin Dalecki 
19022
 
19023
        * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
19024
        construction.
19025
 
19026
2006-02-14  Zdenek Dvorak 
19027
 
19028
        PR tree-optimization/26209
19029
        * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
19030
        * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
19031
        eh edges.
19032
        * tree-cfg.c (replace_uses_by): Do not alter cfg.
19033
 
19034
2006-02-14  Roger Sayle  
19035
 
19036
        PR middle-end/23670
19037
        * fold-const.c (fold_binary) : Optimize (X&Y)|Y into
19038
        (X,Y) and the corresponding symmetry related transformations.
19039
        (fold_binary) : Likewise, optimize (X|Y)&Y into
19040
        (X,Y) and its symmetry related transformations.
19041
 
19042
2006-02-14  Roger Sayle  
19043
 
19044
        * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
19045
        and GEU.
19046
 
19047
2006-02-14  Adam Nemet  
19048
 
19049
        * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
19050
 
19051
2006-02-14  Rainer Orth  
19052
 
19053
        PR bootstrap/26053
19054
        * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
19055
        support COMDAT group.
19056
        * configure: Regenerate.
19057
 
19058
2006-02-14  Roger Sayle  
19059
 
19060
        PR middle-end/26279
19061
        PR middle-end/26280
19062
        PR middle-end/26283
19063
        * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
19064
 
19065
2006-02-14  Daniel Berlin  
19066
 
19067
        Fix PR tree-optimization/26260
19068
 
19069
        * doc/invoke.texi (max-fields-for-field-sensitive): Document
19070
        param.
19071
        * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
19072
        * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
19073
        * tree-ssa-structalias.c (create_variable_info_for): Use
19074
        MAX_FIELDS_FOR_FIELD_SENSITIVE.
19075
 
19076
2006-02-14  Zdenek Dvorak 
19077
 
19078
        * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
19079
        Document.
19080
        * tree-ssa-loop-niter.c (number_of_iterations_ne,
19081
        number_of_iterations_lt, number_of_iterations_cond): Remember the shape
19082
        of the ending condition.
19083
        * tree-ssa-loop-manip.c: Include params.h.
19084
        (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
19085
        tree_unroll_loop): New functions.
19086
        * tree-pass.h (pass_loop_prefetch): Declare.
19087
        * loop.c (rest_of_handle_loop_optimize): Test for
19088
        -fprefetch-loop-arrays-rtl.
19089
        * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
19090
        * timevar.def (TV_TREE_PREFETCH): New timevar.
19091
        * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
19092
        pass_loop_prefetch): New.
19093
        * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
19094
        (cleanup_tree_cfg_loop): Call scev_reset.
19095
        * common.opt (fprefetch-loop-arrays-rtl): Add.
19096
        * tree-ssa-loop-prefetch.c: New file.
19097
        * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
19098
        (new_temp_expr_table): Initialize expr_vars.
19099
        (free_temp_expr_table): Cleanup expr_vars.
19100
        (check_replaceable, find_replaceable_in_bb): Prevent accumulating
19101
        expressions from being merged into one.
19102
        * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
19103
        (struct tree_niter_desc): Add control, bound and cmp fields.
19104
        (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
19105
        Declare.
19106
        * Makefile.in (tree-ssa-loop-prefetch.o): Add.
19107
        (tree-cfgcleanup.o): Add SCEV_H dependency.
19108
        (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
19109
        * passes.c (init_optimization_passes): Add pass_loop_prefetch.
19110
 
19111
2006-02-14  Richard Guenther  
19112
 
19113
        PR tree-optimization/26258
19114
        * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
19115
        in PHI argument processing.
19116
 
19117
2006-02-13  Adam Nemet  
19118
 
19119
        * simplify-rtx.c (simplify_unary_operation_1) : Return
19120
        new expression in the requested machine mode.
19121
 
19122
2006-02-13  Roger Sayle  
19123
 
19124
        * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
19125
        directly, instead let do_compare_rtx_and_jump handle this for us.
19126
        * expr.c (expand_expr_real_1): Likewise.
19127
        * dojump.c (do_jump_by_parts_greater_rtx): Make static.  Move
19128
        before do_jump_by_parts_greater.
19129
        (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
19130
        * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
19131
 
19132
2006-02-13  John David Anglin  
19133
 
19134
        * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
19135
 
19136
2006-02-13  Zdenek Dvorak 
19137
 
19138
        PR rtl-optimization/26235
19139
        * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
19140
        (invariant_expr_equal_p): Handle 'i' and 'n' formats.  Fail on unknown
19141
        format.
19142
 
19143
2006-02-13  Jeff Law  
19144
 
19145
        * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
19146
        TRUTH_XOR_EPR.
19147
 
19148
2006-02-13  Jakub Jelinek  
19149
 
19150
        PR middle-end/26092
19151
        * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
19152
        twice if decl is a builtin.  When trying again, call get_callee_fndecl
19153
        first to verify it is still a builtin.
19154
 
19155
2006-02-13  Geoffrey Keating  
19156
 
19157
        * dwarf2out.c (base_type_die): Don't add AT_name here.
19158
        (subrange_type_die): Don't add AT_name here.
19159
        (modified_type_die): Rearrange code flow.  Do add AT_name here.
19160
 
19161
2006-02-13  Zdenek Dvorak 
19162
 
19163
        PR rtl-optimization/26247
19164
        PR rtl-optimization/26248
19165
        * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
19166
 
19167
2006-02-13  Richard Sandiford  
19168
 
19169
        * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
19170
        * config/fixtfdi.c: Likewise.
19171
        * config/fixunstfdi.c: Likewise.
19172
        * config/floatditf.c: Likewise.
19173
 
19174
2006-02-13  Roger Sayle  
19175
 
19176
        PR middle-end/24427
19177
        * fold-const.c (fold_binary) : Transform (X&C1)|C2
19178
        into (X,C2) if C1 is a subset of the bits of C2.  Transform
19179
        (X&C1)|C2 into X|C2 if C1|C2 == ~0.  Canonicalize (X&C1)|C2 as
19180
        (X&(C1&~C2))|C2.
19181
        : Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
19182
 
19183
2006-02-13  Josh Conner  
19184
 
19185
        PR target/25376
19186
        * varasm.c (function_section): Check for section name before
19187
        calling select_section on targets that define
19188
        USE_SELECT_SECTION_FOR_FUNCTIONS.  On other targets, use
19189
        unlikely_text_section instead of hot_function_section if
19190
        first_function_block_is_cold.
19191
 
19192
2006-02-13  J"orn Rennecke 
19193
 
19194
        PR middle-end/25335
19195
        * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
19196
 
19197
2006-02-12  Zdenek Dvorak 
19198
 
19199
        PR rtl-optimization/26222
19200
        * function.c (assign_stack_temp_for_type): Do not reuse stack slots
19201
        after tree->rtl expansion.
19202
        * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
19203
        before passing it to emit_move_insn.
19204
 
19205
2006-02-12  Gabriel Dos Reis  
19206
 
19207
        * doc/invoke.texi (-Write-strings): Document that it is enabled by
19208
        default.
19209
        * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
19210
        Clarify documentation.
19211
        * c-common.h (warn_write_strings): Remove.
19212
        * c-common.c (warn_write_strings): Likewise.
19213
        * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
19214
        default for C++.
19215
 
19216
2006-02-12  Roger Sayle  
19217
 
19218
        PR middle-end/25724
19219
        * dojump.c (do_jump): Call do_compare_rtx_and_jump.
19220
        (do_jump_parts_zero_rtx): New function renamed from
19221
        do_jump_parts_equality_rtx.  Made static.  Add a mode argument.
19222
        (do_jump_parts_equality_rtx): New function split out from
19223
        do_jump_parts_equality.  Old implementation renamed as above.
19224
        Call do_jump_parts_zero_rtx if either operand is zero.
19225
        (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
19226
        do all of the heavy lifting.
19227
        (do_compare_rtx_and_jump): Handle multi-word comparisons by
19228
        calling either do_jump_by_parts_greater_rtx or
19229
        do_jump_by_parts_equality_rtx.
19230
        * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
19231
        * expmed.c (do_cmp_and_jump): Now multi-word optimization has
19232
        moved to do_compare_rtx_and_jump, call it directly.
19233
        * stmt.c (do_jump_if_equal): Remove static prototype.  Add a
19234
        mode argument.  Call do_compare_rtx_and_jump.
19235
        (emit_case_nodes): Update calls to do_jump_if_equal.
19236
 
19237
2006-02-12  Zdenek Dvorak 
19238
 
19239
        PR rtl-optimization/26225
19240
        * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
19241
 
19242
2006-02-12  Zdenek Dvorak 
19243
 
19244
        PR rtl-optimization/26232
19245
        * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
19246
 
19247
2006-02-11  Jason Merrill  
19248
 
19249
        PR tree-opt/24365
19250
        * tree-inline.c (declare_return_variable): Just don't use the
19251
        modify target if it's a gimple complex reg and the return slot
19252
        isn't.
19253
 
19254
2006-02-11  Kaveh R. Ghazi  
19255
 
19256
        * doc/contrib.texi: Update my entry.
19257
 
19258
2006-02-10  Geoffrey Keating  
19259
 
19260
        * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
19261
 
19262
2006-02-10  Diego Novillo  
19263
 
19264
        * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
19265
        expensive.
19266
 
19267
2006-02-10  Zdenek Dvorak 
19268
 
19269
        * doc/invoke.texi (-floop-optimize2): Removed.
19270
        * toplev.c (process_options): Remove handling of flag_loop_optimize2.
19271
        * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
19272
        Test flag_branch_on_count_reg only if HAVE_doloop_end.
19273
        * common.opt (floop-optimize2): Removed.
19274
        (fmove-loop-invariants): Enabled by default.
19275
 
19276
2006-02-10  Sebastian Pop  
19277
 
19278
        * tree-if-conv.c (combine_blocks): Free the result of
19279
        get_loop_exit_edges.
19280
 
19281
2006-02-10  Jeff Law  
19282
 
19283
        * fold-const.c (tree_expr_nonzero_p): Fix thinko.
19284
 
19285
        PR tree-optimization/26213
19286
        * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
19287
        loop trying to follow SSA_NAME_VALUE chains.
19288
 
19289
2006-02-10  Richard Guenther  
19290
 
19291
        * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
19292
        deal with structures that end in implicitly variable sized arrays.
19293
 
19294
2006-02-09  Zdenek Dvorak 
19295
 
19296
        PR rtl-optimization/24762
19297
        * df-scan.c (df_bb_refs_record): Record correct registers defined on
19298
        eh edges.
19299
 
19300
2006-02-09  Zdenek Dvorak 
19301
 
19302
        * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
19303
        (struct ivopts_data): Add regs_used field.
19304
        (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
19305
        (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
19306
        instead of loop_data->regs_used;
19307
        (free_loop_data): Do not free aux fields for loops.
19308
        (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
19309
        and tree_ssa_iv_optimize_finalize.
19310
 
19311
2006-02-09  Kaz Kojima  
19312
 
19313
        * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
19314
 
19315
2006-02-09  J"orn Rennecke 
19316
 
19317
        PR target/26141
19318
        * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
19319
        computing the effective result type.
19320
 
19321
2006-02-09  J"orn Rennecke 
19322
 
19323
        PR inline-asm/16194
19324
        * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
19325
        (tree_overlaps_hard_reg_set): Declare.
19326
        * stmt.c (decl_overlaps_hard_reg_set_p): Now static.  Change return
19327
        type and signature to match function type expected by walk_tree.
19328
        (tree_overlaps_hard_reg_set): New function.
19329
        (decl_conflicts_with_clobbers_p): Rename to:
19330
        (tree_conflicts_with_clobbers_p).  Take HARD_REG_SET * argument.
19331
        Use tree_overlaps_hard_reg_set.  Changed caller.
19332
        * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
19333
        decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
19334
        * cris.c (cris_md_asm_clobbers): Likewise.
19335
 
19336
2006-02-09  Bernd Schmidt  
19337
 
19338
        * reload1.c (emit_input_reload_insns): Delete code that tries to
19339
        inherit using find_equiv_reg.
19340
 
19341
2006-02-09  Gabriel Dos Reis  
19342
 
19343
        * c-common.h (flag_const_strings): Don't declare.
19344
        * c-common.c (flag_const_strings): Remove.
19345
        * c.opt (fconst_strings): Remove.
19346
        * c-opts.c (c_common_handle_option): Remove .
19347
        : Don't set flag_const_strings.
19348
        (c_common_init_options): Don't set flag_const_strings.
19349
        * doc/invoke.texi (-fno-const-strings): Remove documentation.
19350
 
19351
2006-02-09  Richard Earnshaw  
19352
 
19353
        * arm.md (tlobits_cbranch): New pattern.
19354
        * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
19355
        testing a single bit.
19356
 
19357
2006-02-09  Andrew Pinski  
19358
 
19359
        PR tree-opt/26179
19360
        * tree-ssa-pre.c (create_component_ref_by_pieces):
19361
        Handle RETURN_DECL like VAR_DECL.
19362
 
19363
2006-02-09  Andrew Pinski  
19364
 
19365
        PR middle-end/26134
19366
        * fold-const.c (fold_indirect_ref_1): Fold
19367
        "*(foo *)&complexfoo" to "__real__ complexfoo"
19368
        and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
19369
 
19370
2006-02-09  Andrew Pinski  
19371
 
19372
        * tree-flow-inline.h (var_can_have_subvars):
19373
        Volatile variables should not have subvariables.
19374
 
19375
2006-02-09  Diego Novillo  
19376
 
19377
        PR 26180
19378
        * tree-vrp.c (vrp_int_const_binop): Detect overflow when
19379
        multiplying unsigned values.
19380
        Tidy comments.
19381
 
19382
2006-02-09  Eric Botcazou  
19383
 
19384
        * config/sparc/sparc.c (tls_call_delay): Fix oversight.
19385
 
19386
2006-02-08  Jason Merrill  
19387
 
19388
        PR c++/25979
19389
        * tree.def: Elaborate on difference from MODIFY_EXPR.
19390
        * doc/c-tree.texi (INIT_EXPR): Likewise.
19391
        * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
19392
        (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
19393
        (gimplify_target_expr): Likewise.
19394
        (gimplify_cond_expr): Remove target handling.
19395
        (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
19396
        (gimplify_expr): Clobber it here.
19397
        (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
19398
        Do return slot optimization if we have an INIT_EXPR.
19399
 
19400
        PR tree-opt/24365
19401
        * tree-inline.c (declare_return_variable): Also clear
19402
        DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
19403
 
19404
        PR c++/16405
19405
        * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
19406
 
19407
        PR middle-end/22439
19408
        * gimplify.c (gimplify_one_sizepos): Fix typo.
19409
 
19410
2006-02-08  Jeff Law  
19411
 
19412
        PR tree-optimization/21417
19413
        * tree-ssa-threadedge.c (thread_across_edge): Reject threading
19414
        across a backedge if the control statement at the end of the
19415
        block is data dependent on other statements in the same block.
19416
        (record_temporary_equivalences_from_stmts): Remove over-conservative
19417
        test for threading across backedges.
19418
 
19419
        * tree-ssa-dce.c (remove_dead_statement): When removing a dead
19420
        control statement, handle all three special cases in the same
19421
        manner as they all have the same desired solution.  No longer
19422
        special case edge flag updating when the post dominator is
19423
        the exit block.
19424
 
19425
2006-02-08  Roger Sayle  
19426
 
19427
        * tree.def (CHAR_TYPE): Remove.
19428
        * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
19429
        * dwarf2out.c (base_type_die, is_base_type): Likewise.
19430
        (gen_type_die) : Remove handling of CHAR_TYPE arrays.
19431
        (gen_string_type_die): Delete unreachable function.
19432
 
19433
        * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
19434
        * tree.c (build_int_cst_wide, type_contains_placeholder_1,
19435
        type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
19436
        * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
19437
        * builtins.c (type_to_class): Likewise.
19438
        * fold-const.c (fold_convert, build_range_check,
19439
        merge_ranges): Likewise.
19440
        * expr.c (count_type_elements): Likewise.
19441
        * c-pretty-print.c (pp_c_type_specifier): Likewise.
19442
        * stor-layout.c (layout_type): Likewise.
19443
        * ipa-type-escape.c (type_to_consider): Likewise.
19444
        * gimplify.c (omp_firstprivatize_type_sizes,
19445
        gimplify_type_sizes): Likewise.
19446
        * explow.c (promote_mode): Likewise.
19447
        * tree-sra.c (is_sra_scalar_type): Likewise.
19448
        * varasm.c (output_constant): Likewise.
19449
        * tree-inline.c (remap_type_1): Likewise.
19450
        * convert.c (convert_to_pointer, convert_to_real,
19451
        convert_to_integer, convert_to_complex): Likewise.
19452
 
19453
2006-02-08  Daniel Berlin  
19454
 
19455
        * df-scan.c (df_def_record_1): A set destination may
19456
        be a parallel regardless of mode.
19457
 
19458
2006-02-08  Roger Sayle  
19459
 
19460
        PR target/22209
19461
        * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
19462
        * config/mips/_tilib.c: Remove.
19463
        * config/fixtfdi.c: New libgcc source file.
19464
        * config/fixunstfdi.c: New source file.
19465
        * config/floatditf.c: New source file.
19466
        * config/floatunditf.c: New souce file.
19467
        * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
19468
        files above instead of config/mips/_tilib.c.
19469
        * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
19470
 
19471
2006-02-08  Jeff Law  
19472
 
19473
        PR tree-optimization/26169
19474
        * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
19475
        threading jumps.
19476
 
19477
2006-02-08  Zdenek Dvorak 
19478
 
19479
        * df.h (DF_REG_SIZE): Return the length of the initialized
19480
        part of the array.
19481
 
19482
2006-02-08  Nathan Sidwell  
19483
 
19484
        * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
19485
        __muldf3): Return a correctly signed zero.
19486
 
19487
2006-02-08  Paolo Bonzini  
19488
 
19489
        * passes.c (register_one_dump_file): Accept the current properties
19490
        instead of pass number.  Adjust call to dump_register.  Remove
19491
        duplicated code.
19492
        (register_dump_files): Now a wrapper around...
19493
        (register_dump_files_1): ... this one.  Do not modify the pass
19494
        structure.
19495
        (next_pass_1): Cosmetic fix.
19496
        (execute_todo): Keep second parameter only.  Use curr_properties
19497
        instead of fetching it from the pass structure.  Check and set
19498
        last_verified.
19499
        (execute_one_pass): Handle TODO_set_props.  Use curr_properties
19500
        instead of fetching it from the pass structure.  Fix calls to
19501
        execute_todo.  Update curr_properties and initialize .vcg RTL dump
19502
        after running the pass.  Reset last_verified.
19503
        * tree-dump.c (dump_files): Renumber consecutively.  Put .cgraph dump
19504
        at the beginning.
19505
        (FIRST_AUTO_NUMBERED_DUMP): New.
19506
        (dump_register): Remove "num" parameter, assign it within the
19507
        function.
19508
        (get_dump_file_name): Modify template for dumps.
19509
        * tree-dump.h (dump_register): Adjust prototype.
19510
        * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
19511
        (PROP_trees): Add PROP_gimple_lomp.
19512
        (TODO_set_props): New.
19513
        * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
19514
        * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
19515
        * cfgexpand.c (pass_expand): Destroy PROP_trees.
19516
 
19517
2006-02-08  Jakub Jelinek  
19518
 
19519
        * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
19520
        (sparc64-*-linux*): Likewise.
19521
        * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
19522
        * config/sparc/t-linux: New file.
19523
        * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
19524
        __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
19525
        (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
19526
        -m32 -mlong-double-128.
19527
 
19528
        * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
19529
        * config/alpha/t-linux: New file.
19530
        * config/alpha/libgcc-alpha-ldbl.ver: New file.
19531
 
19532
        * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
19533
        __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
19534
        (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
19535
        * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
19536
        __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
19537
        (CPP_ARCH32_SPEC): Remove.
19538
 
19539
2006-02-07  Uttam Pawar  
19540
 
19541
        PR tree-optimization/26145
19542
        * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
19543
        bbs pointer.
19544
 
19545
2006-02-07  John David Anglin  
19546
 
19547
        PR target/26109
19548
        * pa.c (attr_length_indirect_call): Don't return length 8 for distances
19549
        >= 240000 when generating code for SOM runtime.
19550
        (output_indirect_call): Don't use "b,l" instruction for indirect calls
19551
        to $$dyncall when generating code for SOM runtime..
19552
 
19553
2006-02-07  Dirk Mueller  
19554
 
19555
        PR c++/18150
19556
        * doc/invoke.texi (-Wsequence-point): Update documentation
19557
        that -Wsequence-point is implemented for C++ as well.
19558
 
19559
2006-02-07  Eric Botcazou  
19560
 
19561
        * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
19562
        * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
19563
        (LIB_SPEC): Likewise.
19564
        * doc/invoke.texi (SPARC options): Document -pthread.
19565
 
19566
2006-02-07  Geoffrey Keating  
19567
 
19568
        * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
19569
        PIC addresses.
19570
 
19571
2006-02-07  Roger Sayle  
19572
 
19573
        * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
19574
        Correct comment describing BOOLEAN_TYPE.
19575
 
19576
2006-02-07  Dirk Mueller  
19577
 
19578
        * c.opt: C++ frontend supports -Wdiv-by-zero.
19579
        * c-opts.c (c_common_handle_option): Remove dead case.
19580
 
19581
2006-02-07  Eric Botcazou  
19582
 
19583
        * configure.ac (TLS assembler check): Do not enable TLS by
19584
        default on SPARC/Solaris before version 10.
19585
        * configure: Regenerate.
19586
 
19587
2006-02-07  David Edelsohn  
19588
 
19589
        * doc/invoke.texi (xl-compat): Document conversion and support
19590
        routine names.
19591
 
19592
2006-02-07  Jeff Law  
19593
 
19594
        * tree-vrp.c (find_conditional_asserts): Update comments.
19595
        (simplify_stmt_for_jump_threading): New.
19596
        (identify_jump_threads, finalize_jump_threads): New.
19597
        (vrp_finalize): Call identify_jump_threads.
19598
        (execute_vrp): Call finalize_jump_threads.
19599
        * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
19600
        (vrp_element, vrp_data, vrp_element_p): Remove.
19601
        (vrp_hash_elt, vrp_variables_stack): Remove.
19602
        (vrp_hash, vrp_eq, record_range): Remove.
19603
        (simplify_cond_and_lookup_avail_expr): Remove.
19604
        (extract_range_from_cond): Remove.
19605
        (thread_across_edge): Relocated into tree-ssa-threadedge.c.
19606
        (simplify_stmt_for_jump_threading): New.
19607
        (dom_thread_across_edge): New wrapper.
19608
        (tree_ssa_dominator_optimize): No longer initialize or
19609
        finalize any of the VRP datastructures.  Remove iteration
19610
        step and simplify as a result of removal of iteration step.
19611
        (pass_dominator): Perform a cfg cleanup after DOM.
19612
        (dom_opt_finalize_block): Use the new common routines
19613
        for threading jumps.  Simplify stack management slightly.
19614
        No longer need to unwind VRP state.
19615
        (record_equivalences_from_incoming_edge): No longer record
19616
        VRP information.
19617
        (eliminate_redundant_computations): No longer call
19618
        simplify_cond_and_lookup_avail_expr.
19619
        * tree-flow.h (potentially_threadable_block): Prototype.
19620
        (thread_across_edge): Likewise.
19621
        * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
19622
        (tree-ssa-threadedge.o): Add dependencies.
19623
        * tree-ssa-threadedge.c: New file.
19624
        * passes.c (init_optimization_passes): Merge PHIs before
19625
        calling VRP.  Run VRP again late in the SSA optimization pipeline.
19626
 
19627
2006-02-07  Eric Botcazou  
19628
 
19629
        * df-core.c (df_set_blocks): Do not dereference function pointers.
19630
        (df_finish1): Likewise.
19631
        (df_hybrid_search_forward): Likewise.
19632
        (df_hybrid_search_backward): Likewise.
19633
        (df_iterative_dataflow): Likewise.
19634
        (df_analyze_problem): Likewise.
19635
        (df_compact_blocks): Likewise.
19636
        (df_dump): Likewise.
19637
        * df-scan.c (df_rescan_blocks): Likewise.
19638
        (df_record_entry_block_defs): Likewise.
19639
 
19640
        * genconditions.c (write_conditions): Guard the definition of
19641
        'insn_conditions' with the check on GCC version.
19642
        (write_writer): Guard the traversal 'insn_conditions' with
19643
        the check on GCC version.
19644
 
19645
2006-02-07  Richard Guenther  
19646
 
19647
        PR c++/26140
19648
        Revert
19649
        2006-01-30  Richard Guenther  
19650
        PR c++/23372
19651
        * gimplify.c (gimplify_target_expr): Handle easy cases
19652
        without creating a temporary.
19653
 
19654
2006-02-07  Pete Steinmetz  
19655
 
19656
        * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
19657
        use of float in probability computations.  Use edge probabilities
19658
        in place of statically computed probabilities.
19659
        (min_spec_prob): New static variable.
19660
        (schedule_insns): Initialize it.
19661
        (GET_SRC_PROB): Removed.
19662
        * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
19663
 
19664
2006-02-07  Alexandre Oliva  
19665
 
19666
        PR debug/24444
19667
        * config/ia64/unwind-ia64.c: Revert last change.
19668
        * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
19669
        (INCOMING_FRAME_SP_OFFSET): Define.
19670
 
19671
2006-02-06  Roger Sayle  
19672
 
19673
        * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
19674
 
19675
2006-02-07  Ben Elliston  
19676
 
19677
        * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
19678
        (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
19679
        (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
19680
        (ix86_return_in_memory): Handle TDmode.
19681
        (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
19682
        (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
19683
 
19684
2006-02-06  Richard Sandiford  
19685
 
19686
        * reorg.c (dbr_schedule): Use dump_file instead of file.
19687
 
19688
2006-02-06  Steve Ellcey  
19689
 
19690
        PR target/25917
19691
        * config/ia64/predicates.md (extr_len_operand): New predicate.
19692
        * config/ia64/ia64.md (extv): Tighten constraints.
19693
        (extzv): Ditto.
19694
        (*tbit_and_2): Ditto.
19695
        (*tbit_and_3): Ditto.
19696
        (*tbit_or_2): Ditto.
19697
        (*tbit_or_3): Ditto.
19698
        (*bit_zero): Ditto.
19699
        (*bit_one): Ditto.
19700
 
19701
2006-02-06  Andrew Pinski  
19702
 
19703
        PR target/23359
19704
        * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
19705
 
19706
2006-02-06  Zdenek Dvorak 
19707
 
19708
        * tree-vrp.c (execute_vrp): Do not pass dump argument to.
19709
        loop_optimizer_init and loop_optimizer_finalize
19710
        * tree-ssa-sink.c (execute_sink_code): Ditto.
19711
        * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
19712
        * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
19713
        tree_ssa_loop_done): Ditto.
19714
        * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
19715
        * sched-ebb.c: Include output.h.
19716
        (schedule_ebbs): Do not use dump argument.
19717
        * value-prof.h (struct profile_hooks): Remove profile_dump_file.
19718
        * loop.c (loop_dump_stream): Removed.
19719
        (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
19720
        argument.
19721
        (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
19722
        emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
19723
        final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
19724
        loop_iterations, strength_reduce, record_biv, record_giv,
19725
        final_giv_value, check_final_value, check_ext_dependent_givs,
19726
        combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
19727
        try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
19728
        dump_file instead of loop_dump_stream.
19729
        * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
19730
        argument dump_file.
19731
        * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
19732
        dump argument.
19733
        * flow.c (life_analysis, rest_of_handle_life): Ditto.
19734
        * haifa-sched.c: Include output.h
19735
        (schedule_insns, sched_init): Do not use dump argument.
19736
        * mode-switching.c (optimize_mode_switching): Ditto.
19737
        * modulo-sched.c (stats_file): Removed.
19738
        (print_node_sched_params): Do not call argument dump_file.
19739
        (sms_schedule_by_order, loop_canon_p, sms_schedule,
19740
        rest_of_handle_sms): Do not use dump argument.  Use dump_file instead
19741
        of stats_file.
19742
        * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
19743
        use dump argument.
19744
        * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
19745
        rtl_loop_init, rtl_loop_done): Ditto.
19746
        * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
19747
        * predict.c (combine_predictions_for_bb, tree_estimate_probability):
19748
        Ditto.
19749
        * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
19750
        * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
19751
        * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
19752
        rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
19753
        * emit-rtl.c (renumber_insns): Ditto.
19754
        * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
19755
        expand_gimple_basic_block, tree_expand_cfg): Ditto.
19756
        * regclass.c (regclass): Ditto.
19757
        * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
19758
        remove_ssa_form, rewrite_out_of_ssa): Ditto.
19759
        * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
19760
        convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
19761
        Ditto.
19762
        * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
19763
        * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
19764
        to regclass.
19765
        * gcse.c (gcse_file, debug_stderr): Removed.
19766
        (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
19767
        rest_of_handle_gcse): Do not use dump argument.
19768
        (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
19769
        one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
19770
        pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
19771
        compute_code_hoist_vbeinout, compute_code_hoist_data,
19772
        one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
19773
        compute_store_table, build_store_vectors, insert_insn_start_bb,
19774
        insert_store, remove_reachable_equiv_notes, replace_store_insn,
19775
        store_motion): Use dump_file instead of gcse_file.
19776
        * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
19777
        * profile.c (profile_dump_file): Removed.
19778
        (branch_prob): Use dump_file instead of profile_dump_file.
19779
        * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
19780
        dump_file.
19781
        * tree-ssa-copy.c (dump_copy_of): Ditto.
19782
        * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
19783
        dump file to life_analysis.
19784
        * bt-load.c (branch_target_load_optimize): Ditto.
19785
        * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
19786
        renumber_insns.
19787
        * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
19788
        regclass, dbr_schedule): Declaration changed.
19789
        * sched-int.h (sched_init): Declaration changed.
19790
        * tree-profile.c (tree_profile_dump_file): Removed.
19791
        (tree_profile_hooks): Removed profile_dump_file hook.
19792
        * rtl-profile (rtl_profile_dump_file): Removed.
19793
        (rtl_profile_hooks): emoved profile_dump_file hook.
19794
        * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
19795
        changed.
19796
        * c-gimplify.c (c_genericize): Do not call local variable dump_file.
19797
        * tree-cfg.c (build_tree_cfg): Ditto.
19798
        * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
19799
        * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
19800
        Declaration changed.
19801
        * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
19802
        life_analysis and schedule_insns.
19803
        * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
19804
        life_analysis.
19805
        * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
19806
        dbr_schedule.
19807
        * config/mips/mips.c (mips_reorg): Ditto.
19808
        * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
19809
        schedule_ebbs.
19810
 
19811
2006-02-06  Aldy Hernandez  
19812
 
19813
        * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19814
        (s390_mangle_fundamental_type): New.
19815
        * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19816
        Define.
19817
 
19818
        * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19819
        (alpha_mangle_fundamental_type): New.
19820
        * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19821
        Define.
19822
 
19823
        * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19824
        Define.
19825
        * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19826
        Define.
19827
        * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19828
        (sparc_mangle_fundamental_type): New.
19829
 
19830
2006-02-06  Jakub Jelinek  
19831
 
19832
        * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
19833
        (s390x-*-linux*): Likewise.
19834
        * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
19835
        * config/s390/t-linux: New file.
19836
 
19837
2006-02-02  Bernd Schmidt  
19838
 
19839
        * config/i386/sync.md (sync_add, sync_sub, sync_ior,
19840
        sync_and, sync_xor): Operand 0 is in-out.
19841
 
19842
2006-02-06  Daniel Berlin  
19843
 
19844
        * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
19845
        (ANTIC_SAFE_LOADS): New macro.
19846
        (find_or_generate_expression): Add prototype.
19847
        (set_contains_value): Allow null set for sake of not always having
19848
        to allocate ANTIC_SAFE_LOADS.
19849
        (phi_translate): Move placement of AGGREGATE_TYPE_P check.
19850
        Allow COMPONENT_REF too.
19851
        (valid_in_set): Allow COMPONENT_REF.
19852
        Check ANTIC_SAFE_LOADS too.
19853
        (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
19854
        (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
19855
        rename.
19856
        (can_PRE_operation): Add COMPONENT_REF.
19857
        (create_component_ref_by_pieces): New function.
19858
        (create_expression_by_pieces): Use create_component_ref_by_pieces.
19859
        (insert_aux): Move AGGREGATE_TYPE_P check here.
19860
        (compute_avail): Set bb local stmt uids.
19861
        (pass_pre): Use TODO_update_ssa_only_virtuals.
19862
 
19863
2006-02-06  Ben Elliston  
19864
 
19865
        * configure.ac: Unconditionally disable decimal float by default.
19866
        * configure: Regenerate.
19867
 
19868
2006-02-06  Ben Elliston  
19869
 
19870
        * read-rtl.c (read_name): Terminate reading on EOF.
19871
 
19872
2006-02-06  Ben Elliston  
19873
 
19874
        * dfp.c (decimal_real_arithmetic): Change second argument type
19875
        from int to enum tree_code. Do not always return true, but now
19876
        return result of any call to decimal_do helper functions.
19877
        * dfp.h (decimal_real_arithmetic): Update prototype.
19878
 
19879
2006-02-05  Eric Botcazou  
19880
 
19881
        * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
19882
 
19883
2006-02-05  Andrew Pinski  
19884
 
19885
        PR tree-opt/25251
19886
        * tree-cfg.c (cleanup_dead_labels): Also don't remove
19887
        forced labels.
19888
 
19889
2006-02-04  Zdenek Dvorak 
19890
 
19891
        * tree-vrp.c (cfg_loops): Removed.
19892
        (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
19893
        Use current_loops instead of cfg_loops.  Pass flags to
19894
        loop_optimizer_init.
19895
        * cfgloopmanip.c (fix_loop_structure): Update only available
19896
        information.
19897
        * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
19898
        loop_optimizer_init.
19899
        * modulo-sched.c (build_loops_structure): Removed.
19900
        (sms_schedule): Use loop_optimizer_init.
19901
        * loop-init.c (loop_optimizer_init): Use flags to determine
19902
        which properties of loops to prepare.
19903
        (rtl_loop_init): Pass flags to loop_optimizer_init.
19904
        * tree-ssa-sink.c (execute_sink_code): Ditto.
19905
        * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
19906
        * tree-ssa-pre.c (init_pre): Ditto.
19907
        * cfgloop.h (LOOPS_NORMAL): New.
19908
        (loop_optimizer_init): Declaration changed.
19909
 
19910
2006-02-05  John David Anglin  
19911
 
19912
        * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
19913
        * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
19914
        pa/t-pa.
19915
        * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
19916
        pa/t-pa.
19917
        * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
19918
        pa/x-ada.
19919
        * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
19920
        * pa/t-pa64: Delete quadlib.c rule.
19921
        * pa/x-ada: Revert last change.
19922
        * pa/t-pa: Revert last change.  Delete quadlib.c rule.
19923
 
19924
2006-02-04  Zdenek Dvorak 
19925
 
19926
        PR rtl-optimization/26087
19927
        * rtlanal.c (canonicalize_condition): Do not cross basic block
19928
        boundaries.
19929
 
19930
2006-02-04  Alexandre Oliva  
19931
 
19932
        PR debug/24444
19933
        * config/ia64/ia64.c: Include debug.h.
19934
        (MAX_ARTIFICIAL_LABEL_BYTES): New.
19935
        (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
19936
        (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
19937
        (process_epilogue, process_set, process_for_unwind_directive):
19938
        Output unwind info only if requested.  Add CFA info if requested.
19939
        Add new arguments as needed.  Adjust callers.
19940
        * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
19941
        incorrect default.
19942
        (DWARF2_FRAME_INFO): Define to zero.
19943
        * config/ia64/unwind-ia64.c: Remove code that compensated for
19944
        the CFA offset error fixed above.
19945
        * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
19946
        * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
19947
        (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
19948
        -funwind-tables and -fexceptions to enable frame info.
19949
        (dwarf2out_frame_init): Define initial CFA even if
19950
        DWARF2_UNWIND_INFO is disabled.  Call initial_return_save if
19951
        DWARF2_UNWIND_INFO is nonzero, not just defined.
19952
        (dwarf2out_frame_finish): Output non-EH call frame info only
19953
        if DWARF2_FRAME_INFO is nonzero.
19954
        (convert_cfa_to_loc_list,
19955
        compute_frame_pointer_to_cfa_displacement): Define even if
19956
        unwind info is not supported.
19957
        (gen_subprogram_die): Use the above unconditionally.  Remove
19958
        legacy alternate code.
19959
        * toplev.c (compile_file): Compile in call to
19960
        dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
19961
        (lang_dependent_init): Ditto for dwarf2out_frame_init.
19962
 
19963
2006-02-04  David Edelsohn  
19964
            Jakub Jelinek  
19965
 
19966
        * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
19967
        IBM extended float format long double as "g" on powerpc*-linux.
19968
 
19969
2006-02-03  John David Anglin  
19970
 
19971
        PR target/25926
19972
        * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
19973
        * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
19974
 
19975
2006-02-03  Jason Merrill  
19976
 
19977
        PR c++/25979
19978
        * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
19979
 
19980
        PR middle-end/25977
19981
        * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
19982
        on the return slot if it's an NRV.
19983
 
19984
2006-02-03  Zdenek Dvorak 
19985
 
19986
        * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
19987
        (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
19988
        rewrite_use): Do not handle USE_OUTER.
19989
        (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
19990
        add_iv_outer_candidates, may_replace_final_value,
19991
        determine_use_iv_cost_outer, rewrite_use_outer): Removed.
19992
        (find_interesting_uses_op): Functionality of
19993
        find_interesting_uses_outer_or_nonlin moved here.
19994
        (find_interesting_uses_outside): Use find_interesting_uses_op.
19995
 
19996
2006-02-03  Alan Modra  
19997
 
19998
        PR target/25960
19999
        * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
20000
 
20001
2006-02-03  Andreas Krebbel  
20002
            Ulrich Weigand  
20003
 
20004
        PR target/25864
20005
        * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
20006
        "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
20007
        * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
20008
        * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
20009
        and dxr fields.
20010
        (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
20011
        (s390_rtx_costs): Use the new fields to calculate rtx costs.
20012
        (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
20013
        Define secondary reloads for TFmode moves.
20014
        (constant_modes): Add TFmode.
20015
        (NR_C_MODES): Set to 8.
20016
        * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
20017
        builtin define.
20018
        (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
20019
        (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
20020
        (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
20021
        CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
20022
        * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
20023
        fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
20024
        (FPR mode macro): Add TFmode.
20025
        (DSF mode macro): New.
20026
        (,  mode attributes): Removed.
20027
        (, , , ,  mode attributes): New.
20028
        ("*cmp_ccs_0", "*cmp_ccs_0_ibm", "*cmp_ccs",
20029
        "*cmp_ccs_ibm", "fix_trunc2_ieee",
20030
        "floatdi2", "floatsi2_ieee", "*add3",
20031
        "*add3_cc", "*add3_cconly", "*add3_ibm",
20032
        "*sub3", "*sub3_cc", "*sub3_cconly",
20033
        "*sub3_ibm", "*mul3_ibm", "*fmadd", "*fmsub",
20034
        "*div3", "*div3_ibm", "*neg2_cc",
20035
        "*neg2_cconly", "*neg2", "*neg2_ibm",
20036
        "*abs2_cc", "*abs2_cconly", "*abs2",
20037
        "*abs2_ibm", "*negabs2_cc", "*negabs2_cconly",
20038
        "*negabs2", "sqrt2"):
20039
        Changed  to . R constraint replaced by .
20040
        ("*mul3"): Changed  to . R constraint replaced by
20041
        .
20042
        ("fix_truncdi2"): 'FPR:' removed.
20043
        ("*fmadd", "*fmsub"): FPR mode replaced by DSF.
20044
        ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
20045
        splitters.
20046
        ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
20047
        "extenddftf2", "extendsftf2"): New expanders.
20048
        ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
20049
        "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
20050
        "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
20051
        * config/s390/s390.opt (mlong-double-128, mlong-double-64):
20052
        New options.
20053
        * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
20054
        * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
20055
        __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
20056
        __floatditf): Add a GCC_4.1.0 symbol version tag.
20057
        * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
20058
        the new options.
20059
 
20060
2006-02-02  Andrew Pinski  
20061
 
20062
        PR target/25377
20063
        * config/i386/i386.c (ix86_function_ok_for_sibcall):
20064
        Use targetm.binds_local_p instead of TREE_PUBLIC.
20065
 
20066
2006-02-02  Roger Sayle  
20067
 
20068
        * tree.h (TYPE_STRING_FLAG): Document that this field may be used
20069
        on INTEGER_TYPEs to indicate that it denotes a character type.
20070
        * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
20071
        signed_char_type_node, unsigned_char_type_node and char_type_node.
20072
        * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
20073
        INTEGER_TYPE.  Use TYPE_STRING_FLAG to decide whether to emit
20074
        a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
20075
 
20076
2006-02-02  Zdenek Dvorak 
20077
            Daniel Berlin  
20078
 
20079
        * tree-tailcall.c (arg_needs_copy_p): New function.
20080
        (eliminate_tail_call): Use arg_needs_copy_p.
20081
        (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
20082
        (add_virtual_phis): New function.
20083
 
20084
2006-02-02  Jakub Jelinek  
20085
 
20086
        * config/sparc/sparc.c (sparc_output_scratch_registers): Use
20087
        #ignore instead of #scratch for %g7 .register directive.
20088
 
20089
2006-02-02  Andreas Tobler  
20090
 
20091
        * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
20092
        object files.
20093
 
20094
2006-02-02  Bernd Schmidt  
20095
 
20096
        * flow.c (calculate_global_regs_live): Assert that there aren't any
20097
        EDGE_FAKE edges.
20098
 
20099
2006-02-02  Paolo Bonzini  
20100
 
20101
        * tree-flow-inline.h (bsi_after_labels): Rewrite, return
20102
        what its name says.
20103
        * lambda-code.c (perfect_nestify): Use bsi_insert_before on
20104
        bsi_after_labels iterator.
20105
        * tree-if-conv.c (find_phi_replacement_condition,
20106
        replace_phi_with_cond_modify_expr): Likewise.
20107
        * tree-scalar-evolution.c (scev_const_prop): Likewise.
20108
        * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
20109
 
20110
2006-02-02  Diego Novillo  
20111
 
20112
        * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
20113
 
20114
2006-02-02  Diego Novillo  
20115
 
20116
        PR 25990
20117
        * tree-cfg.c (move_block_to_fn): Clear out the basic block
20118
        array after growing it.
20119
 
20120
2006-02-01  Steve Ellcey  
20121
 
20122
        PR middle-end/24901
20123
        * fold-const.c (fold_checksum_tree): Change type of buf.
20124
 
20125
2006-02-01  Bernd Schmidt  
20126
 
20127
        * reload.c (push_secondary_reload): Initialize t_icode.
20128
 
20129
2006-02-01  Jakub Jelinek  
20130
 
20131
        * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
20132
        -msoft-float -mlong-double-128 only issue a warning, but don't
20133
        swich to DFmode long double.
20134
 
20135
2006-02-01  Hans-Peter Nilsson  
20136
 
20137
        * cse.c (fold_rtx) : When arg1
20138
        has a constant equivalent, iterate over equivalents for arg0,
20139
        calling simplify_relational_operation and if there's a result
20140
        cheaper than X, apply fold_rtx and return the result.
20141
 
20142
2006-02-01  Jan Hubicka  
20143
 
20144
        * opts.c (no_unit_at_a_time_default): New global variable.
20145
        (decode_options): Use it.
20146
        * opts.h (no_unit_at_a_time_default): Declare.
20147
 
20148
2006-02-01  Paul Brook  
20149
 
20150
        * function.c (assign_parm_setup_reg): Use function argument promotion
20151
        rules.
20152
        * expr.c (expand_expr_real_1): Use function argument promotion rules
20153
        for PARM_DECLs.
20154
 
20155
2006-02-01  Steve Ellcey  
20156
 
20157
        * gcc.c (process_command): Change j to 'unsigned int'.
20158
 
20159
2006-01-31  Andrew Pinski  
20160
 
20161
        PR middle-end/26001
20162
        * expr.c (expand_expr_real_1) :
20163
        Use the corrected index for the character
20164
        out of the string constant.
20165
 
20166
2006-01-31  Andrew Pinski  
20167
 
20168
        * mode-switching.c (optimize_mode_switching): Fix size
20169
        allocated for bb_info[n_entities].
20170
 
20171
2006-01-31  Andrew Pinski  
20172
 
20173
        * gcc.c (main): Correct type that is allocated for
20174
        explicit_link_files.
20175
 
20176
2006-01-31  Jakub Jelinek  
20177
 
20178
        * config/s390/s390.c (init_alignment_context): Set
20179
        ALIAS_SET_MEMORY_BARRIER on the MEM.
20180
        * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
20181
 
20182
2006-01-31  Uttam Pawar  
20183
 
20184
        PR middle-end/25933
20185
        * loop-unroll.c (unroll_loop_runtime_iterations): Free
20186
        dom_bbs pointer.
20187
        * tree-ssa-live.c (type_var_init): Allocate bitmap after
20188
        call to tpa_init.
20189
 
20190
2006-01-31  Marcin Dalecki  
20191
 
20192
        * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
20193
        * regrename.c: Ditto.
20194
        * tree-ssa-loop-im.c: Ditto.
20195
        * tree-dump.c: Ditto.
20196
        * tree-complex.c: Ditto.
20197
        * genrecog.c: Ditto.
20198
        * tree-ssa-threadupdate.c: Ditto.
20199
        * tracer.c: Ditto.
20200
        * java/class.c: Ditto.
20201
        * java/jcf-parse.c: Ditto.
20202
        * java/resource.c: Ditto.
20203
        * java/except.c: Ditto.
20204
        * java/jvspec.c: Ditto.
20205
        * java/jcf-write.c: Ditto.
20206
        * java/jcf-path.c: Ditto.
20207
        * java/gjavah.c: Ditto.
20208
        * java/zextract.c: Ditto.
20209
        * java/jcf-io.c: Ditto.
20210
        * java/jcf.h: Ditto.
20211
        * java/buffer.c: Ditto.
20212
        * java/lang.c: Ditto.
20213
        * java/parse-scan.y: Ditto.
20214
        * java/lex.c: Ditto.
20215
        * java/lex.h: Ditto.
20216
        * cfgloopmanip.c: Ditto.
20217
        * postreload-gcse.c: Ditto.
20218
        * tree-ssa-loop-manip.c: Ditto.
20219
        * postreload.c: Ditto.
20220
        * tree-ssa-loop-ch.c: Ditto.
20221
        * loop.c: Ditto.
20222
        * ipa-cp.c: Ditto.
20223
        * cppspec.c: Ditto.
20224
        * diagnostic.c: Ditto.
20225
        * final.c: Ditto.
20226
        * genoutput.c: Ditto.
20227
        * gcc.c: Ditto.
20228
        * cfghooks.c: Ditto.
20229
        * cfgloopanal.c: Ditto.
20230
        * objc/objc-act.c: Ditto.
20231
        * gcov.c: Ditto.
20232
        * genextract.c: Ditto.
20233
        * genautomata.c: Ditto.
20234
        * pretty-print.c: Ditto.
20235
        * genemit.c: Ditto.
20236
        * cgraphunit.c: Ditto.
20237
        * flow.c: Ditto.
20238
        * df-scan.c: Ditto.
20239
        * haifa-sched.c: Ditto.
20240
        * dominance.c: Ditto.
20241
        * dbxout.c: Ditto.
20242
        * tree-ssa-loop-ivopts.c: Ditto.
20243
        * df-core.c: Ditto.
20244
        * mode-switching.c: Ditto.
20245
        * modulo-sched.c: Ditto.
20246
        * graph.c: Ditto.
20247
        * ipa-pure-const.c: Ditto.
20248
        * cse.c: Ditto.
20249
        * fix-header.c: Ditto.
20250
        * web.c: Ditto.
20251
        * tree-stdarg.c: Ditto.
20252
        * ipa-utils.c: Ditto.
20253
        * loop-init.c: Ditto.
20254
        * ipa-inline.c: Ditto.
20255
        * cfganal.c: Ditto.
20256
        * global.c: Ditto.
20257
        * alloc-pool.c: Ditto.
20258
        * dwarf2out.c: Ditto.
20259
        * opts.c: Ditto.
20260
        * genattrtab.c: Ditto.
20261
        * tree-ssa-loop-ivcanon.c: Ditto.
20262
        * predict.c: Ditto.
20263
        * timevar.c: Ditto.
20264
        * lcm.c: Ditto.
20265
        * fortran/gfortranspec.c: Ditto.
20266
        * regmove.c: Ditto.
20267
        * local-alloc.c: Ditto.
20268
        * langhooks.c: Ditto.
20269
        * function.c: Ditto.
20270
        * tree-vectorizer.c: Ditto.
20271
        * gcse.c: Ditto.
20272
        * ipa-type-escape.c: Ditto.
20273
        * alias.c: Ditto.
20274
        * tree-if-conv.c: Ditto.
20275
        * profile.c: Ditto.
20276
        * ipa.c: Ditto.
20277
        * tree-data-ref.c: Ditto.
20278
        * loop-unroll.c: Ditto.
20279
        * treelang/treetree.c: Ditto.
20280
        * calls.c: Ditto.
20281
        * bt-load.c: Ditto.
20282
        * ggc-common.c: Ditto.
20283
        * except.c: Ditto.
20284
        * coverage.c: Ditto.
20285
        * cselib.c: Ditto.
20286
        * tree-cfgcleanup.c: Ditto.
20287
        * tree-ssa-pre.c: Ditto.
20288
        * cfgcleanup.c: Ditto.
20289
        * loop-invariant.c: Ditto.
20290
        * loop-iv.c: Ditto.
20291
        * ipa-prop.c: Ditto.
20292
        * print-tree.c: Ditto.
20293
        * conflict.c: Ditto.
20294
        * ggc-page.c: Ditto.
20295
        * sched-deps.c: Ditto.
20296
        * regclass.c: Ditto.
20297
        * tree-object-size.c: Ditto.
20298
        * combine.c: Ditto.
20299
        * bb-reorder.c: Ditto.
20300
        * resource.c: Ditto.
20301
        * var-tracking.c: Ditto.
20302
        * cfgloop.c: Ditto.
20303
        * df-problems.c: Ditto.
20304
        * reg-stack.c: Ditto.
20305
        * tlink.c: Ditto.
20306
        * gccspec.c: Ditto.
20307
        * sched-rgn.c: Ditto.
20308
        * tree-ssa-structalias.c: Ditto.
20309
        * tree-ssa-reassoc.c: Ditto.
20310
        * config/darwin-c.c: Ditto.
20311
        * config/darwin.c: Ditto.
20312
        * config/arm/arm.c: Ditto.
20313
        * cfgrtl.c: Ditto.
20314
        * collect2.c: Ditto.
20315
        * reload1.c: Ditto.
20316
 
20317
2006-01-31  Nicolas Pitre  
20318
 
20319
        * arm.md (smaxsi3): Make aware of smax_m1.
20320
        (smax_m1): New.
20321
 
20322
2006-01-31  Nathan Sidwell  
20323
 
20324
        * config/m68k/lb1sf68.asm: Use moveq to load small constants.
20325
 
20326
2006-01-31  Richard Guenther  
20327
 
20328
        * doc/invoke.texi (-msselibm): Document.
20329
        * target.h (expand_library_builtin): New target hook.
20330
        * builtins.c (expand_builtin): Use expand_library_builtin.
20331
        (default_expand_library_builtin): New function.
20332
        * gcc.c (LINK_GCC_MATH_SPEC): Define.
20333
        (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
20334
        (link_gcc_math_spec): Declare.
20335
        (static_specs): Add link_gcc_math_spec.
20336
        * expr.h (default_expand_library_builtin): Declare.
20337
        * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
20338
        (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
20339
        * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
20340
        * config/i386/i386.opt (msselibm): New target option.
20341
        * config/i386/i386.c (ix86_builtin_function_variants): New array.
20342
        (ix86_init_sse_abi_builtins): New function.
20343
        (ix86_expand_library_builtin): Likewise.
20344
        (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
20345
        (override_options): Handle error conditions wrt -msselibm.
20346
        (ix86_builtins): Add function codes for SSE2 ABI builtins.
20347
        (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
20348
        * doc/extend.texi (__builtin_sse2_*): Document new target specific
20349
        builtins.
20350
 
20351
2006-01-31  Richard Guenther  
20352
        Paolo Bonzini  
20353
 
20354
        * doc/install.texi (--disable-libgcc-math): Document.
20355
 
20356
2006-01-30  Marcin Dalecki  
20357
 
20358
        * expr.h (expand_normal): new inline function.
20359
        * builtins.c: use it, use EXPAND_NORMAL explicitely.
20360
        * dojump.c: use it.
20361
        * dwarf2out.c: use it.
20362
        * expr.c: use it.
20363
        * calls.c: use it.
20364
        * expmed.c: use it.
20365
        * except.c: use it.
20366
        * config/sparc/sparc.c: use it.
20367
        * config/i386/i386.c: use it.
20368
        * config/rs6000/rs6000.c: use it.
20369
        * config/arm/arm.c: use it.
20370
        * config/mips/mips.c: use it.
20371
        * stmt.c: use it, use EXPAND_NORMAL explicitely.
20372
 
20373
2006-01-30  Roger Sayle  
20374
 
20375
        * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
20376
        argv to the appropriate type.
20377
 
20378
2006-01-30  Zdenek Dvorak 
20379
 
20380
        * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
20381
        unreachable code.
20382
 
20383
2006-01-30  Ulrich Weigand  
20384
 
20385
        PR target/26018
20386
        * config/s390/s390.c (struct machine_function): New flag
20387
        decomposed_literal_pool_addresses_ok_p.
20388
        (s390_reorg): Set it before final stage of literal pool transforms.
20389
        (s390_decompose_address): Only accept displacements of the form
20390
        (minus (label_ref ...) (label_ref ...)) if that flag is set.
20391
 
20392
2006-01-30  Carlos O'Donell  
20393
 
20394
        * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
20395
        the comparison routine return.
20396
 
20397
2006-01-30  Michael Matz  
20398
 
20399
        * global.c (find_reg): Only evict for global regs.
20400
        Take n_refs into account and dump more info.
20401
 
20402
2006-01-30  J"orn Rennecke 
20403
 
20404
        PR target/14798:
20405
        * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
20406
        (pragma_trap, pragma_nosave_low_regs): Likewise.
20407
        (current_function_anonymous_args): Likewise.
20408
        (sh_deferred_function_attributes): New variable.
20409
        (sh_deferred_function_attributes_tail): Likewise.
20410
        (print_operand): For '@', look up trap_exit attribute.
20411
        (calc_live_regs): Look up trapa_handler attribute.  For trapa
20412
        handlers, save/restore fpscr, but don't do any other
20413
        interrupt-specific saves.
20414
        Don't save r0..r7 if the nosave_low_regs attribute is in effect.
20415
        Fix check for partially saved registers to check for SHmedia.
20416
        (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
20417
        (sh_output_function_epilogue): Don't clear any of the removed
20418
        variables.
20419
        (sh_insert_attributes): Don't check pragma_interrupt.
20420
        Insert deferred attributes.  Check that interrupt attribute is
20421
        present for other attributes that require its presence.
20422
        (sh_attribute_table): Add new attributes trapa_handler and
20423
        nosave_low_regs.
20424
        (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
20425
        Don't check for pragma_interrupt.  Don't store argument.
20426
        * sh.h (pragma_interrupt, sp_switch): Don't declare.
20427
        (sh_deferred_function_attributes): Declare.
20428
        (sh_deferred_function_attributes_tail): Likewise.
20429
        * sh.md (sp_switch_1): Add operand.  Change generator caller.
20430
        (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
20431
        (*return_i): Don't use when trap_exit attribute is in effect.
20432
        (*return_trapa): New insn pattern.
20433
        * sh-c.c: New file.
20434
        * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
20435
        setting c_target_objs and cxx_target_objs.
20436
        * t-sh: Add rule for sh-c.o.
20437
 
20438
2006-01-30  Richard Guenther  
20439
 
20440
        PR c++/23372
20441
        * gimplify.c (gimplify_target_expr): Handle easy cases
20442
        without creating a temporary.
20443
 
20444
2006-01-30  Nathan Sidwell  
20445
 
20446
        * vec.h (safe_grow): Remove duplicated line.
20447
 
20448
2006-01-29  Diego Novillo  
20449
 
20450
        PR 25874
20451
        * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
20452
        (expand_omp): ... here.
20453
        (expand_omp_parallel): Only remove barriers for combined
20454
        parallel+workshare constructs.
20455
 
20456
2006-01-29  Eric Botcazou  
20457
 
20458
        Revert
20459
 
20460
        2005-11-09  Eric Botcazou  
20461
        * tree.c (build_qualified_type): Chain the new type to the original
20462
        type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
20463
        a POINTER_TYPE or a REFERENCE_TYPE respectively.
20464
        (build_pointer_type_for_mode): Only return unqualified types.
20465
        (build_reference_type_for_mode): Likewise.
20466
 
20467
2006-01-29  Gabriel Dos Reis  
20468
 
20469
        * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
20470
        * Makefile.in (CXX_COMPAT_WARN): Define.
20471
        * configure: Regenerate.
20472
 
20473
2006-01-29  Dorit Nuzman  
20474
 
20475
        PR tree-opt/25911
20476
        * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
20477
        to an if check.
20478
 
20479
2006-01-29  Gabriel Dos Reis  
20480
 
20481
        * toplev.c: Fix thinko.
20482
 
20483
2006-01-29  Gabriel Dos Reis  
20484
            Marcin Dalecki  
20485
 
20486
        * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
20487
        (push_srcloc): Use XNEW.
20488
        (init_asm_output, default_get_pch_validity): Use XNEWVEC.
20489
 
20490
2006-01-29  Kenneth Zadeck 
20491
 
20492
        * df-core.c (df_set_blocks): Deleted all variable.
20493
 
20494
2006-01-28  Ian Lance Taylor  
20495
 
20496
        * cgraphunit.c (cgraph_assemble_pending_functions): Call
20497
        cgraph_output_pending_asms.
20498
 
20499
2006-01-28  Zack Weinberg  
20500
 
20501
        * c.opt: Add -W(no-)overlength-strings.
20502
        * doc/invoke.texi: Document it.
20503
        * c-opts.c (c_common_handle_option): -pedantic implies
20504
        -Woverlength-strings, if not explicitly disabled already.
20505
        (c_common_post_options): -Woverlength-strings defaults to off, and
20506
        is always off for C++.
20507
        * c-common.c (fix_string_type): Issue warning about strings longer
20508
        than is portable only if warn_overlength_strings.  Rearrange code
20509
        a little for clarity.
20510
        * configure.in: Check for -Wno-overlength-strings as well before
20511
        enabling -pedantic in stage 1.
20512
        * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
20513
        (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
20514
 
20515
        * genconditions.c (write_header, write_one_condition)
20516
        (write_conditions, write_writer): Consolidate very long strings
20517
        that were broken up to fit in C89 portable limit.  Don't use
20518
        printf when fputs will do.
20519
 
20520
2006-01-28  Adam Nemet  
20521
 
20522
        * combine.c (simplify_comparison ): Check
20523
        TRULY_NOOP_TRUNCATION before start using a subreg.
20524
 
20525
        * config/mips/mips.md (*branch_zero,
20526
        *branch_zero_inverted, *branch_equality,
20527
        *branch_equality_inverted, *branch_equality_mips16):
20528
        Remove mode check from comparisons.
20529
 
20530
2006-01-28  Kenneth Zadeck 
20531
 
20532
        * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
20533
 
20534
2006-01-28  Kazu Hirata  
20535
 
20536
        * expmed.c (const_mult_add_overflow_p): Remove.
20537
        * expr.h: Remove the prototype for const_mult_add_overflow_p.
20538
 
20539
        * recog.c (validate_replace_rtx_subexp): Remove.
20540
        * recog.h: Remove the prototype for
20541
        validate_replace_rtx_subexp.
20542
 
20543
        * integrate.h: Remove the prototype for
20544
        copy_decl_for_inlining.
20545
        * rtl.h: Remove the prototype for mark_constant_function.
20546
        * tree-vectorizer.h: Remove the prototype for
20547
        vect_strip_conversion.
20548
 
20549
        * modulo-sched.c (create_partial_schedule,
20550
        free_partial_schedule, reset_partial_schedule): Make them
20551
        static.
20552
 
20553
        * hooks.c (hook_bool_rtx_int_false): Remove.
20554
        * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
20555
 
20556
2006-01-28  David Edelsohn  
20557
 
20558
        * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
20559
        and -mlong-double-128 are incompatible.
20560
        * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
20561
        * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
20562
        (TARGET_LIBGCC2_CFLAGS): Define.
20563
        * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
20564
        (TARGET_LIBGCC2_CFLAGS): Same.
20565
        * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
20566
 
20567
2006-01-28  Kazu Hirata  
20568
 
20569
        PR c/19606.
20570
        * c-typeck.c (build_binary_op): Perform implicit casts of
20571
        operands before shortening them.
20572
 
20573
        * cfgloopmanip.c (split_loop_bb): Remove.
20574
        * cfgloop.h: Remove the prototype for split_loop_bb.
20575
 
20576
        * cfgloop.c (flow_loop_outside_edge_p): Remove.
20577
        * cfgloop.h: Remove the prototype for
20578
        flow_loop_outside_edge_p.
20579
 
20580
        * emit-rtl.c (init_virtual_regs): Make it static.
20581
        * function.h: Remove the prototype for init_virtual_regs.
20582
 
20583
        * recog.c (peephole2_optimize): Make it static.
20584
        * recog.h: Remove the prototype for peephole2_optimize.
20585
 
20586
2006-01-27  H.J. Lu  
20587
 
20588
        * df-scan.c (df_record_entry_block_defs): Check if
20589
        INCOMING_RETURN_ADDR_RTX is defined.
20590
 
20591
2006-01-27  Daniel Berlin  
20592
            Kenneth Zadeck 
20593
 
20594
        PR rtl-optimization/24762
20595
        * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
20596
        * targhooks.c (hook_void_bitmap): New hook prototype.
20597
        * targhoohs.h (hook_void_bitmap): Ditto.
20598
        * bitmap.h (bitmap_head_def): Moved to coretypes.h.
20599
        * coretypes.h (bitmap_head_def): Moved from bitmap.h.
20600
        * target.h (live_on_entry): New function pointer.
20601
        * df-scan.c (df_all_hard_regs): Removed.
20602
        (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
20603
        (df_scan_free_internal): Added df->entry_block_defs.
20604
        (df_scan_alloc): Ditto.
20605
        (df_scan_dump): Ditto.
20606
        (df_uses_record): Plumbed flag field properly thru calls.
20607
        Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
20608
        This part fixes PR24762.
20609
        (df_bb_refs_record): Added code to make the frame and arg
20610
        pointers live in EH blocks.
20611
        (df_refs_record): Added call to df_record_entry_block_defs.
20612
        (df_record_entry_block_defs): New function.
20613
        * df-core.c: Added comments to describe new artifical defs.
20614
        * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
20615
        (entry_block_defs): New field in struct df.
20616
        (df_all_hard_regs): Deleted.
20617
        * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
20618
        * df-problems.c (df_ru_bb_local_compute_process_def):
20619
        Added code to handle artifical defs in the entry to a function.
20620
        (df_ru_bb_local_compute): Ditto.
20621
        (df_rd_bb_local_compute_process_def): Ditto.
20622
        (df_rd_bb_local_compute): Ditto.
20623
        (df_lr_bb_local_compute): Ditto.
20624
        (df_ur_bb_local_compute): Ditto.
20625
        (df_urec_bb_local_compute): Ditto.
20626
        (df_chain_create_bb): Ditto.
20627
        (df_ur_local_finalize): Removed entry.
20628
        (df_urec_init): Ditto.
20629
        (df_urec_local_finalize): Ditto.
20630
        (df_ri_bb_compute): Added detection of last use of pseudos.
20631
        * Makefile.in (df-scan.o): Updated dependencies.
20632
        * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
20633
        * config/mips/mips.c (mips_set_live_on_entry): Added.
20634
        * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
20635
        for target hook.
20636
        * dce.c (marked_insn_p): Added code to handle artifical defs.
20637
 
20638
2006-01-27  H.J. Lu  
20639
 
20640
        * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
20641
        intrinsic.
20642
        (_mm_cvtsi128_si64): Likewise.
20643
        (_mm_cvtsd_si64): Likewise.
20644
        (_mm_cvttsd_si64): Likewise.
20645
        (_mm_cvtsi64_sd): Likewise.
20646
        (_mm_cvtsi64_si128): Likewise.
20647
        * config/i386/mmintrin.h (_m_from_int64): Likewise.
20648
        (_mm_cvtsi64_m64): Likewise.
20649
        (_m_to_int64): Likewise.
20650
        (_mm_cvtm64_si64): Likewise.
20651
        * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
20652
        (_mm_cvttss_si64): Likewise.
20653
        (_mm_cvtsi64_ss): Likewise.
20654
        (_mm_cvtss_f32): Likewise.
20655
 
20656
2006-01-27  Carlos O'Donell  
20657
 
20658
        * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
20659
        for pragma redefine_extname.
20660
 
20661
2006-01-27  Jakub Jelinek  
20662
 
20663
        PR target/25864
20664
        * libgcc-std.ver: Add GCC_4.1.0 symbol version.
20665
        * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
20666
        -mno-minimal-toc to previous content.
20667
        (bispecs): Remove goal.
20668
        * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
20669
        * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
20670
        compatibility aliases on powerpc-*-*gnu*.
20671
        * config/rs6000/libgcc-ppc-glibc.ver: New file.
20672
        * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
20673
        libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
20674
        (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
20675
        (ldblspecs): New goal.
20676
        * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
20677
        * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
20678
        _df_to_tf.
20679
        * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
20680
        L_sf_to_tf or L_df_to_tf is defined.
20681
 
20682
2006-01-27  David Edelsohn  
20683
            Alan Modra  
20684
 
20685
        PR target/25864
20686
        * config/rs6000/linux.h (POWERPC_LINUX): Define.
20687
        * config/rs6000/linux64.h (POWERPC_LINUX): Define.
20688
        * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
20689
        * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
20690
        * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
20691
        * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
20692
        (rs6000_override_options): Initialize rs6000_ieeequad.
20693
        Initialize TFmode format to ibm_extended_format if not
20694
        TARGET_IEEEQUAD.
20695
        (rs6000_handle_option): Accept -mabi= ibmlongdouble and
20696
        ieeelongdouble.
20697
        (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
20698
        (rs6000_return_in_memory): Only return IEEEQUAD in memory.
20699
        (function_arg_advance): IBM long double passed in two FPRs, not
20700
        split.
20701
        (function_arg): IBM long double passed in FPRs.
20702
        (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
20703
        (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
20704
        Only multireg GPR aligned.
20705
        (rs6000_init_libfuncs): Enable IBM long double functions if not
20706
        IEEEQUAD.
20707
        (rs6000_generate_compare): Use IBM long double compare if not
20708
        TARGET_IEEEQUAD.
20709
        * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
20710
        (TARGET_IEEEQUAD): Define.
20711
        (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
20712
        not TARGET_IEEEQUAD.
20713
        * config/rs6000/rs6000.md: Enable TFmode patterns if
20714
        !TARGET_IEEEQUAD.
20715
        * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
20716
        * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
20717
        and -mlong-double-128 are incompatible.
20718
        * doc/invoke.texi (-mabi): Collect options together.  Add
20719
        ibmlongdouble and ieeelongdouble.
20720
 
20721
2006-01-27  Richard Sandiford  
20722
 
20723
        * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
20724
        opaque type.
20725
        * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
20726
        * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
20727
        (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
20728
        * rtl.h (rtunion_def): Remove rt_ptr.
20729
        (X0PTR): Delete.
20730
        (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
20731
        (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
20732
        * config/i386/winnt.c (i386_pe_mark_dllexport)
20733
        (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
20734
 
20735
2006-01-27 Gabor Loki 
20736
 
20737
        * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
20738
 
20739
2006-01-26 Alexandre Oliva  
20740
 
20741
        PR other/24829
20742
        PR target/24831
20743
        * gthr-dce.h: Do not gthrw-ify pthread_once_init,
20744
        pthread_key_delete.  From John David Anglin.  gthrw-ify
20745
        pthread_getunique_np only if it it's not a macro.  Delete
20746
        UNUSED macro.
20747
        (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
20748
        __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
20749
        __gthread_objc_condition_signal, __gthread_key_delete): Add
20750
        "__attribute__ ((__unused__))" to unused arguments.
20751
        (__gthread_recursive_mutex_init_function): Add missing return.
20752
        * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
20753
        gthr-posix95.h: Use macro-based approach for name redirection
20754
        on targets missing weakref.
20755
 
20756
2006-01-26  Zack Weinberg  
20757
 
20758
        * genconditions.c (write_header): In generated code, #ifdef out
20759
        all includes and fake declarations, except includes of bconfig.h
20760
        and system.h, unless GCC_VERSION >= 3001.  Do not include
20761
        gensupport.h in any case.
20762
        (write_conditions): Generate a definition of struct c_test.  Add
20763
        a comment to the generated #endif.
20764
        (write_one_condition): Escape backslashes in string too.
20765
        (write_writer): Generated code must escape backslashes and quote
20766
        marks (but not newlines) in the strings it writes.
20767
        * Makefile.in (build/gencondmd.o): Update dependencies.
20768
 
20769
2006-01-26  Steve Ellcey  
20770
 
20771
        PR target/25961
20772
        * Makefile.in (insn-automata.o): Add header file dependencies.
20773
        * genautomata.c: Add includes.
20774
 
20775
2006-01-26  Steve Ellcey  
20776
 
20777
        PR target/25961
20778
        * Makefile.in (insn-automata.o): Add -Wno-error flag.
20779
 
20780
2006-01-26  Paolo Bonzini  
20781
 
20782
        * configure.ac: Expect target tools paths to be passed from the toplevel
20783
        and wrap the detection into AS_SET_VAR_IF.  Extract side-effects out of
20784
        AS_SET_VAR_IF.
20785
        * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
20786
 
20787
2006-01-26  Alexandre Oliva  
20788
 
20789
        PR c/25892
20790
        * c.opt (Wpointer-sign): Init to -1.
20791
        * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
20792
        OPT_pedantic, to 0 otherwise.
20793
        * doc/invoke.texi: Update.
20794
 
20795
2006-01-26  Paolo Bonzini  
20796
 
20797
        * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
20798
        constants provided by 80387 instructions in the destination mode.
20799
 
20800
2006-01-26  Richard Guenther  
20801
            Andrew Pinski  
20802
 
20803
        PR tree-opt/21470
20804
        partial PR tree-opt/17064
20805
        * tree-ssa-structalias.c (intra_create_variable_infos):
20806
        Create heap variables for incoming parameters if
20807
        flag_argument_noalias > 1.
20808
        (find_what_p_points_to): Look through default defs of
20809
        parameter decls.
20810
 
20811
2006-01-26  Jeff Law  
20812
 
20813
        PR ada/25900
20814
        * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
20815
        with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
20816
        within the VR_RANGE, use the VR_RANGE as the result, not the
20817
        VR_ANTI_RANGE.
20818
        (adjust_range_with_scev): Reject ranges from SCEV which are out of
20819
        bounds for the type.
20820
 
20821
2006-01-26  Daniel Berlin  
20822
 
20823
        * tree-ssa-alias.c (maybe_create_global_var): Change
20824
        subvar walking to an assertion that we don't have subvar'd variables.
20825
 
20826
2006-01-26  Andrew Pinski  
20827
 
20828
        PR C/25861
20829
        * c-common.c (c_common_truthvalue_conversion) :
20830
        Use a new variable, inner.  PARM_DECLs are always non-weak.
20831
 
20832
2006-01-26  Shantonu Sen  
20833
 
20834
        * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
20835
        --disable-checking.
20836
 
20837
2006-01-26  Adam Nemet  
20838
 
20839
        * config/mips/mips.md (*clear_upper32): New combiner pattern.
20840
 
20841
2006-01-26  Richard Earnshaw  
20842
 
20843
        * arm.md (smaxsi3, sminsi3): Convert to define_expand.
20844
        (smax_insn, smin_insn, smax_0, smin_0): New.
20845
 
20846
2006-01-26  Hans-Peter Nilsson  
20847
 
20848
        PR target/25947
20849
        * config/cris/cris.c (cris_order_for_addsi3): New function.
20850
        * config/cris/cris-protos.h: Prototype it.
20851
        * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
20852
        (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
20853
        (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
20854
        (split for "op.S1 [rx=rx+i],ry (swapped)")
20855
        (split for "op(s|u).S1 [rx=rx+i],ry")
20856
        (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
20857
        Apply cris_order_for_addsi3 when generating addsi3 insns.
20858
 
20859
2006-01-25  Diego Novillo  
20860
 
20861
        * tree.h (TREE_RANGE_CHECK): Fix range predicate.
20862
        (TREE_BLOCK): Add call to EXPR_CHECK.
20863
 
20864
2006-01-25  Diego Novillo  
20865
 
20866
        PR 25886
20867
        * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
20868
        * tree-pretty-print.c (dump_omp_clause): Extract from ...
20869
        (dump_omp_clauses): ... here.
20870
        (dump_generic_node): Handle OMP_CLAUSE.
20871
        * tree.c (omp_clause_num_ops): New.
20872
        (omp_clause_code_name): New.
20873
        (tree_code_size): Handle OMP_CLAUSE.
20874
        (tree_size): Likewise.
20875
        (make_node): Document handling of OMP_CLAUSE.
20876
        (tree_node_structure): Handle OMP_CLAUSE.
20877
        (omp_clause_check_failed): New.
20878
        (omp_clause_range_check_failed): New.
20879
        (omp_clause_operand_check_failed): New.
20880
        (build_omp_clause): New.
20881
        (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
20882
        * tree.h (enum omp_clause_code): Declare.
20883
        (OMP_CLAUSE_SUBCODE_CHECK): Define.
20884
        (OMP_CLAUSE_RANGE_CHECK): Define.
20885
        (OMP_CLAUSE_ELT_CHECK): Define.
20886
        (omp_clause_check_failed): Declare.
20887
        (omp_clause_operand_check_failed): Declare.
20888
        (omp_clause_range_check_failed): Declare.
20889
        (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
20890
        (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
20891
        (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
20892
        (OMP_CLAUSE_LASTPRIVATE): Likewise.
20893
        (OMP_CLAUSE_IF_EXPR): Likewise.
20894
        (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
20895
        (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
20896
        (OMP_CLAUSE_REDUCTION_CODE): Likewise.
20897
        (OMP_CLAUSE_REDUCTION_INIT): Likewise.
20898
        (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
20899
        (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
20900
        Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
20901
        (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
20902
        (OMP_CLAUSE_DEFAULT_KIND): Likewise.
20903
        (OMP_CLAUSE_CODE): Define.
20904
        (OMP_CLAUSE_SET_CODE): Define.
20905
        (OMP_CLAUSE_CODE): Define.
20906
        (OMP_CLAUSE_OPERAND): Define.
20907
        (struct tree_omp_clause): Declare.
20908
        (union tree_node): Add field 'omp_clause'.
20909
        * treestruct.def (TS_OMP_CLAUSE): Define.
20910
        * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
20911
        OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
20912
        OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
20913
        OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
20914
        OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
20915
        OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
20916
        (OMP_CLAUSE): Define.
20917
        * print-tree.c (print_node): Handle OMP_CLAUSE.
20918
        * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
20919
        * c-typeck.c: Likewise.
20920
        * gimplify.c: Likewise.
20921
        * c-omp.c: Likewise.
20922
        * tree-nested.c: Likewise.
20923
        * tree-inline.c: Likewise.
20924
        * c-parser.c: Likewise.
20925
        * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
20926
        clauses.
20927
 
20928
2006-01-25  Roger Sayle  
20929
 
20930
        PR rtl-optimization/25703
20931
        * combine.c (try_combine): Handle zero_extract and strict_low_part
20932
        of non-lowpart SUBREGs for constant reg_subword_p set optimization.
20933
 
20934
2006-01-25  Peter Bergner  
20935
 
20936
        * global.c: Fix comment typos.
20937
 
20938
2006-01-25  Andrew Pinski  
20939
 
20940
        PR target/25758
20941
        * config/i386/i386.c (output_pic_addr_const) :
20942
        Use output_addr_const instead of assemble_name.
20943
 
20944
2006-01-25  Paolo Bonzini  
20945
 
20946
        * Makefile.in (sched-vis.o): Update dependencies.
20947
        * haifa-sched.c (sched_finish): Clear current_sched_info.
20948
        * cfg.c (dump_bb_info): New, split from dump_flow_info.
20949
        (dump_flow_info): Call it.
20950
        * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
20951
        a slim RTL dump.
20952
        * basic-block.h (dump_bb_info): Declare.
20953
        * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
20954
        option, and apply options only for dump files whose TDF_RTL,
20955
        TDF_TREE, or TDF_IPA bits match.
20956
        * rtl.h: Declare new functions exported from sched-vis.c.
20957
        * sched-vis.c: Enable also if scheduling is not used.
20958
        (print_value): Print the mode of registers if not inside scheduling.
20959
        (print_insn): Make it work outside the scheduler.  Beautify the output
20960
        a bit.
20961
        (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
20962
 
20963
2006-01-25  Richard Sandiford  
20964
 
20965
        * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
20966
        * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
20967
        a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
20968
        depending on the value of CONSTANT_POOL_ADDRESS_P.
20969
        * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
20970
        SYMBOL_REF_DECL.
20971
        * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
20972
        rather than SYMBOL_REF_DECL.
20973
        (rtx_constant_pool): Remove const_rtx_sym_htab.
20974
        (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
20975
        (init_varasm_status): Don't initialize const_rtx_sym_htab.
20976
        (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
20977
        Remove handling of const_rtx_sym_htab.
20978
        (find_pool_constant): Delete.
20979
        (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
20980
        rather than find_pool_constant.
20981
        (get_pool_constant_for_function): Delete.
20982
        (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
20983
        find_pool_constant.
20984
        * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
20985
        (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
20986
        (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
20987
        (SYMBOL_REF_CONSTANT): New macro.
20988
        (get_pool_constant_for_function): Delete.
20989
        * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
20990
        rather than SYMBOL_REF_DECL.
20991
        (i386_pe_mark_dllimport): Likewise.
20992
        * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
20993
        rather than SYMBOL_REF_DECL.
20994
        * config/darwin.c (machopic_indirect_data_reference): Likewise.
20995
        (machopic_indirect_call_target): Likewise.
20996
 
20997
2006-01-25  Eric Botcazou  
20998
 
20999
        * flow.c (delete_noop_moves): Add missing EOL to dump message.
21000
 
21001
2006-01-25  Richard Sandiford  
21002
 
21003
        * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
21004
 
21005
2006-01-25  Kaz Kojima  
21006
 
21007
        * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
21008
 
21009
2006-01-24  David Daney  
21010
 
21011
        PR java/25816
21012
        * configure.ac (enable_tls): New enable option.
21013
        (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
21014
        * configure: Regenerate.
21015
        * doc/install.texi (--enable-tls): Document new option.
21016
        (--disable-tls): Ditto.
21017
 
21018
2006-01-24  Richard Henderson  
21019
 
21020
        * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
21021
        * alias.c (true_dependence): Respect it.
21022
        (canon_true_dependence, write_dependence_p): Likewise.
21023
        * builtins.c (get_builtin_sync_mem): Set it.
21024
 
21025
2006-01-25  Zdenek Dvorak 
21026
 
21027
        * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
21028
        efficient way.
21029
 
21030
2006-01-24  DJ Delorie  
21031
 
21032
        * expmed.c (store_bit_field): Don't arbitrarily deny using insv
21033
        for storing constants in single-bit bitfields.
21034
 
21035
2006-01-25  Ben Elliston  
21036
 
21037
        * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
21038
 
21039
2006-01-24  Andrew Pinski  
21040
 
21041
        PR tree-opt/25860
21042
        * tree-ssa-pre.c (phi_translate): Return NULL
21043
        for AGGREGATE_TYPE's.
21044
 
21045
2006-01-24  Zack Weinberg  
21046
 
21047
        * genautomata.c (process_state_for_insn_equiv_partition):
21048
        Use xcalloc for insn_arcs_array.
21049
        * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
21050
        (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
21051
 
21052
2006-01-24  Richard Henderson  
21053
 
21054
        * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
21055
        update all callers.
21056
 
21057
2006-01-23  Paolo Bonzini  
21058
 
21059
        PR rtl-optimization/25890
21060
        PR rtl-optimization/25905
21061
        * combine.c (expand_compound_operation, expand_field_assignment):
21062
        Fail if the bitfield's final position is out of bounds.
21063
 
21064
2006-01-24  Ian Lance Taylor  
21065
 
21066
        PR middle-end/25930
21067
        * cgraphunit.c (cgraph_output_in_order): Don't clear
21068
        cgraph_asm_nodes until after asm strings have been output.
21069
 
21070
2006-01-23  Adam Nemet  
21071
 
21072
        * fix-header.c (read_scan_file): Add new parameter imultilib when
21073
        calling register_include_chains.
21074
 
21075
2006-01-23  Diego Novillo  
21076
 
21077
        * omp-low.c: Update documentation.
21078
 
21079
2006-01-23  Andrew Pinski  
21080
            Daniel Berlin  
21081
 
21082
        PR tree-opt/25315
21083
        PR tree-opt/25857
21084
        * tree-ssa-pre.c (insert_extra_phis): If an incoming edge is abnormal
21085
        return from the function.
21086
 
21087
2006-01-22  Zack Weinberg  
21088
 
21089
        * rtl.def (match_code): Add second argument.
21090
        * genpreds.c (write_extract_subexp): New function.
21091
        (write_match_code): Add path argument.  Use write_extract_subexp.
21092
        (write_predicate_expr): Pass path to write_match_code.
21093
        (mark_mode_tests): MATCH_CODE applied to a subexpression does
21094
        not perform a mode test.
21095
        * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
21096
        a subexpression does not constrain the top-level code set.
21097
        * read-rtl.c (read_rtx_variadic): New function.
21098
        (read_rtx_1): Use it; allow AND and IOR to be variadic.
21099
        * doc/md.texi: Document new notation.
21100
        * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
21101
        (cmpsi_operand): ... here, using new notation.
21102
 
21103
2006-01-22  Zack Weinberg  
21104
 
21105
        * varray.c: Remove GENERATOR_FILE #ifdefs.
21106
 
21107
2006-01-22  Zack Weinberg  
21108
 
21109
        * genautomata.c (output_reserved_units_table): Emit nothing if
21110
        description->query_units_num is zero.  Remove extra blank line.
21111
        (output_cpu_unit_reservation_p): Short circuit
21112
        if description->query_units_num is zero.
21113
 
21114
2006-01-22  Zack Weinberg  
21115
 
21116
        * genattrtab.c: Don't include genattrtab.h.  Define ATTR_NONE
21117
        and ATTR_SPECIAL (from genattrtab.h).  Don't define num_dfa_decls
21118
        nor any of the random handful of variables that used to be necessary
21119
        when this program was linked with rtlanal.o.  Prune set of forward
21120
        function declarations.
21121
        (struct attr_desc): Remove static_p field.
21122
        (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
21123
        (check_attr_test, make_internal_attr, make_numeric_value): Make static.
21124
        (attr_string): Do not read the character one past the length of
21125
        the string.
21126
        (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
21127
        (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
21128
        (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
21129
        (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
21130
        (make_automaton_attrs): New.
21131
        (main): Do not call into genautomata.  Call local gen_bypass
21132
        and gen_insn_reserv as appropriate.  Call make_automaton_attrs.
21133
        Remove special case for insn_alts.
21134
        * genautomata.c: Include gensupport.h; not genattrtab.h nor
21135
        varray.h (leftover from previous change).  Prune set of forward
21136
        function declarations.  Remove state_alts fields from all
21137
        structures.  Remove state_alts_table from struct automaton.
21138
        Make everything except main static.  Do not maintain num_dfa_decls.
21139
        Do not maintain state_alts fields of various structures.
21140
        (process_decls): Don't validate condexp for dm_insn_reserv decls.
21141
        (add_arc): Remove state_alts argument.  All callers updated.
21142
        (output_reserved_units_table): Emit #ifdef here...
21143
        (output_tables): ...not here.  Don't generate state_alts tables.
21144
        (expand_automata): Don't generate attributes.
21145
        (write_automata): Don't generate state_alts functions.
21146
        (main): New function.
21147
        (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
21148
        (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
21149
        (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
21150
        (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
21151
        (BYPASS_P_FUNC_NAME, output_state_alts_table)
21152
        (output_automata_list_state_alts_code, output_internal_state_alts_func)
21153
        (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
21154
        (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
21155
        Delete.
21156
        * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
21157
        * genattrtab.h: Delete file.
21158
        * Makefile.in (OBJS-common): Add insn-automata.o.
21159
        (insn-automata.o): New rule.
21160
        (simple_generated_c): Add insn-automata.c.
21161
        (build/genattrtab.o, build/genautomata.o): Update dependencies.
21162
        (genprogmd): Add automata.
21163
        (build/genattrtab): Needs no extra objects nor libraries.
21164
        (build/genautomata): Needs build/vec.o and -lm.
21165
 
21166
2006-01-22  Zack Weinberg  
21167
 
21168
        * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
21169
        (output_dfa_max_issue_rate, locked_states_num): Delete.
21170
        (struct automaton): Add locked_states field.
21171
        (output_dead_lock_vect): Save number of locked states in
21172
        automaton->locked_states.  If it is zero, don't print anything.
21173
        (output_max_insn_queue_index_def): Define max_insn_queue_index const.
21174
        (output_internal_dead_lock_func): Only test the dead_lock_vect
21175
        for automata that have locked states.
21176
        (output_statistics): Always print the number of locked states for
21177
        each automaton.  Calculate total number of locked states here.
21178
        (write_automata): Don't call output_dfa_max_issue_rate.
21179
        * genattrtab.c: Define length_unit_log as a const variable.
21180
        * genattr.c: Don't emit MAX_DFA_ISSUE_RATE.  Declare
21181
        max_insn_queue_index const.
21182
        * final.c (length_unit_log): Declare const.
21183
        * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
21184
 
21185
2006-01-22  Zack Weinberg  
21186
 
21187
        * genautomata.c: Include vec.h, not varray.h.
21188
        Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
21189
        VLA_HWINT_ macros.  Change vla_hwint_t to a typedef for
21190
        VEC(vect_el_t,heap) *.  Convert all uses of VLA_* macros to
21191
        VEC_* macros operating on appropriately typed vectors, or to
21192
        malloced arrays when the size is known in advance.  Const-ify
21193
        many char* variables and function arguments.  No functional changes.
21194
        * Makefile.in (build/varray.o): Delete rule.
21195
        (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
21196
        (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
21197
 
21198
2006-01-22  Zack Weinberg  
21199
 
21200
        * gensupport.c: Define get_insn_name and record_insn_name here.
21201
        (read_md_rtx): Call record_insn_name as appropriate.
21202
        * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
21203
        * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
21204
        * genpreds.c, genrecog.c: Don't define get_insn_name nor
21205
        record_insn_name.
21206
        * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
21207
        (BUILD_VARRAY): Delete.
21208
        (genprognormal): Rename genprogmd.  Fold in all programs from
21209
        genprognoprint; also attrtab.
21210
        (build/genattrtab): Just mention genautomata.o and varray.o.
21211
        Reorganize a bit, add comments to make the categories clearer.
21212
 
21213
2006-01-22  Zack Weinberg  
21214
 
21215
        * genconditions.c (condition_table, add_condition): Delete.
21216
        (write_conditions): Don't emit n_insn_conditions nor
21217
        insn_elision_unavailable.  Issue the gcc version #ifdef here,
21218
        inside the table, with no #else clause ...
21219
        (write_header): ...not here.
21220
        (write_writer): New function.
21221
        (main): Don't initialize condition_table.  Use add_c_test.
21222
        Call write_writer.
21223
        * gensupport.c (init_md_reader_args_cb): Handle multiple input
21224
        files on the command line.
21225
        (maybe_eval_c_test): Don't check insn_elision_unavailable.
21226
        Return -1 if there is no entry in the table, don't abort.
21227
        (add_c_test, traverse_c_tests): New functions.
21228
        * gensupport.h (insn_elision_unavailable, insn_conditions)
21229
        (n_insn_conditions): Delete declarations.
21230
        (add_c_test, traverse_c_tests): Declare.
21231
        * read-rtl.c: Include gensupport.h.
21232
        (read_conditions): New function.
21233
        (read_rtx): If read_rtx_1 returns 0, treat as EOF.
21234
        (read_rtx_1): If we get EOF when we were looking for an initial
21235
        open paren, return 0.  Call read_conditions when appropriate.
21236
        * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
21237
        dummy-conditions.o.  Eliminate references to insn-conditions.o,
21238
        or change them to build/gencondmd.o, as appropriate.  Remove
21239
        insn-constants.h from $(simple_generated_h) and insn-conditions.c
21240
        from $(simple_generated_c).  For all files remaining in those
21241
        two lists, add insn-conditions.md to the generator command line.
21242
        Give insn-constants.h/s-constants their own rules.  Add rules
21243
        for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
21244
        (build/read-rtl.o): Depend on gensupport.h.
21245
        (genprognormal): Include preds.
21246
        (genprogearly): Rename genprognoprint; only difference is now that
21247
        they don't link with $(BUILD_PRINT).
21248
        * dummy-conditions.c: Delete.
21249
 
21250
2006-01-22  Zack Weinberg  
21251
 
21252
        * genextract.c: Don't include insn-config.h.  Do include vec.h.
21253
        Declare vectors of int, char, and locstr.
21254
        (locstr): New typedef.
21255
        (struct extraction): Make all array fields into bare pointers.
21256
        (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
21257
        (insn_code_number): Delete.
21258
        (accum_extract): New struct.
21259
        (VEC_safe_set_locstr, VEC_char_to_string): New functions.
21260
        (gen_insn): Take insn_code_number as an argument.  Use an
21261
        accum_extract structure instead of loading data directly into
21262
        a struct extraction, and having to know how big it might get.
21263
        (walk_rtx): Operate entirely on an accum_extract structure.
21264
        (print_path): Avoid unnecessary use of printf.
21265
        (print_header): New function, split out of main.  Distinguish
21266
        more carefully between an unrecognizable insn and an insn that
21267
        has the code number of a define_expand.
21268
        (main): Pass insn_code_number to gen_insn.  Call print_header
21269
        only after parsing.  Avoid unnecessary use of printf.
21270
        * Makefile.in (build/vec.o): New rule.
21271
        (build/genextract): Depend on build/vec.o.
21272
        (build/genextract.o): Don't depend on insn-config.h.
21273
 
21274
2006-01-22  Zack Weinberg  
21275
 
21276
        * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
21277
        $(RUN_GEN).  Use pattern rules to factor out as much boilerplate as
21278
        practical.  Eliminate per-generator-program link rules.
21279
 
21280
2006-01-23  Andrew Pinski  
21281
 
21282
        PR middle-end/24437
21283
        * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
21284
        with a call expr to ...
21285
        * fold-const.c (fold_ternary) : Here.
21286
 
21287
2006-01-23  Richard Guenther  
21288
 
21289
        * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
21290
        before make_edge with conditional EDGE_TRUE_VALUE.
21291
 
21292
2006-01-23  Steven Bosscher  
21293
        Jan Hubicka  
21294
        Richard Guenther  
21295
 
21296
        PR rtl-optimization/25654
21297
        * cfgexpand.c (aggregate_contains_union_type): New function.
21298
        (add_alias_set_conflicts): Call it.  Make sure to add conflicts
21299
        for structure variables that contain a union type.
21300
 
21301
2006-01-23  Richard Sandiford  
21302
 
21303
        * gengtype.c (new_structure): Return the structure.
21304
        (create_option): Add an extra "next" argument.
21305
        (create_field): New function.
21306
        (adjust_field_rtx_def): Use create_option and create_field.
21307
        Remove a now-unnecessary call to find_structure.
21308
        (adjust_field_tree_def): Likewise.
21309
        (note_yacc_type): Remove an unnecessary call to find_structure.
21310
        * gengtype.h (new_structure): Return the structure.
21311
        (create_option): Add an extra argument.
21312
        * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
21313
        (option): Adjust calls to create_option.
21314
 
21315
2006-01-22  David Edelsohn  
21316
 
21317
        * config/rs6000/aix.h (STACK_BOUNDARY): Define.
21318
 
21319
2006-01-22  Paul Brook  
21320
        Peter Barada  
21321
 
21322
        * config/m68k/m68k.md: Add Coldfire FPU support.
21323
        Define FP mode macro and associated attributes.
21324
        Use it for float mode patterns.
21325
        * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
21326
        (LIBCALL_VALUE): Use m68k_libcall_value.
21327
        * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
21328
        (m68k_function_value): Ditto.
21329
        (emit_move_sequence): Ditto.
21330
        * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
21331
        * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
21332
        * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
21333
        (MULTILIB_EXCEPTIONS): Ditto.
21334
        * config/m68k/m68k.opt: Add mcfv4e.
21335
        * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
21336
        (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
21337
        (m68k_output_function_prologue): Save ColdFire FPU registers.
21338
        (m68k_output_function_epilogue): Restore ColdFire FPU registers.
21339
        (force_mode, fp_reg_operand, emit_move_sequence): New functions.
21340
        (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
21341
        ColdFire FPU registers.
21342
        (m68k_libcall_value, m68k_function_value): New functions.
21343
        * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
21344
        (LIBCALL_VALUE): Use m68k_libcall_value.
21345
        * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
21346
        (MASK_COLDFIRE): Add MASK_CFV4E.
21347
        (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
21348
        (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
21349
        (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
21350
        (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
21351
        (GO_IF_LEGITIMATE_ADDRESS): Use it.
21352
        (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
21353
        * doc/invoke.tex: Document -mcfv4e on m68k.
21354
 
21355
2006-01-22  Ranjit Mathew  
21356
 
21357
        * doc/contribute.texi: Change CVS to SVN and update the corresponding
21358
        URL.
21359
 
21360
2006-01-21  Gabriel Dos Reis  
21361
 
21362
        PR c++/16190
21363
        * c-opts.c (c_common_handle_option): Don't include
21364
        -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
21365
        * doc/invoke.texi (C++ Dialect Options): Document that
21366
        -Wnon-virtual-dtor is no longer included in -Wall.
21367
 
21368
2006-01-21  Joseph S. Myers  
21369
 
21370
        * gcov.c (print_version), gcov-dump.c (print_version),
21371
        mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
21372
        dates.
21373
 
21374
2006-01-21  Kenneth Zadeck 
21375
 
21376
        * df-scan.c (problem_SCAN): Added NULL reset function.
21377
        (df_scan_reset_blocks): Added code to call reset block function
21378
        (df_bb_refs_delete) Fixed comment.
21379
        (df_insn_refs_delete): Made tolerant of deleting non existent info
21380
        for dataflow problems that need to be reset.
21381
        * df-core.c (df_set_blocks): Ditto.
21382
        * df.h (struct df_problem): Added reset_fun.
21383
        * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
21384
        problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
21385
        (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
21386
        functions to clear out all references to def-use or use-def chains.
21387
 
21388
2006-01-21  Ben Elliston  
21389
 
21390
        * varasm.c (assemble_real): Initialise data array.
21391
 
21392
2006-01-20  Paul Brook  
21393
 
21394
        Merge from csl-arm-branch.
21395
        2005-09-21  Kazu Hirata  
21396
        * config/arm/arm.md (movdi): Force operands[1] to a register
21397
        if we have a non-register source.
21398
        (*arm_movdi, *movdf_soft_insn): Require that one of the
21399
        operands be a register.
21400
        * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
21401
        * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
21402
 
21403
2006-01-20  DJ Delorie  
21404
 
21405
        * varasm.c (initializer_constant_valid_p): Allow pointers
21406
        initialized from integer constants of lesser precision.
21407
        (output_constant): Allow non-int-sized pointer modes to be
21408
        initialized from integer constants.
21409
 
21410
2006-01-20  Joseph S. Myers  
21411
 
21412
        PR libstdc++/25524
21413
        * cppdefault.h (struct default_include): Add multilib flag.
21414
        * cppdefault.c (cpp_include_defaults): Set it.
21415
        * c.opt (-imultilib): New option.
21416
        * c-opts.c (imultilib): New.
21417
        (c_common_handle_option): Handle -imultilib.
21418
        (c_common_post_options): Likewise.
21419
        * c-incpath.c (add_standard_paths, register_include_chains):
21420
        Likewise.
21421
        * c-incpath.h (register_include_chains): Add extra parameter.
21422
        * gcc.c (do_spec_1): Generate -imultilib option.
21423
        (The Specs Language): Update %I description.
21424
        (process_command): Update copyright notice.
21425
        * doc/cppopts.texi (-imultilib): Document.
21426
        * doc/invoke.texi (-imultilib): Include in option summary.
21427
        (%I): Update specs documentation.
21428
 
21429
2006-01-20  Zdenek Dvorak 
21430
 
21431
        * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
21432
 
21433
2006-01-20  Richard Sandiford  
21434
 
21435
        * stmt.c (case_bit_test_cmp): Stabilize the sort using code
21436
        label numbers.
21437
 
21438
2006-01-20  Richard Guenther  
21439
        Steven Bosscher 
21440
 
21441
        PR rtl-optimization/24626
21442
        * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
21443
        EDGE_TRUE_VALUE if in RTL mode.
21444
 
21445
        Revert
21446
        2005-03-30 Mostafa Hagog 
21447
        * cfgrtl.c (rtl_verify_flow_info_1): Fix.
21448
 
21449
2006-01-20  Dirk Mueller  
21450
 
21451
        PR c++/5520
21452
        * c-parser.c (c_parser_if_body): Use build_empty_stmt()
21453
        instead of a special NOP marker.
21454
        * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
21455
        NOP marker handling.
21456
        * c-common.h (empty_body_warning): Add forward declaration.
21457
        * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
21458
        Now uses IS_EMPTY_STMT() instead of special NOP markers.
21459
 
21460
2006-01-20  Paul Brook  
21461
 
21462
        * Makefile.in (lang_checks): Keep going if mkdir fails.
21463
 
21464
2006-01-19  Kenneth Zadeck 
21465
 
21466
        * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
21467
        be able to clean out basic block when not necessary.
21468
        (df_scan_free): Fixed to properly delete information if df is
21469
        unused before calling df_finish.
21470
        (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
21471
        df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
21472
        or comment typos.
21473
        (df_bb_refs_delete): New function.
21474
        (df_refs_delete): Moved per block code to df_bb_refs_delete.
21475
        * df-core.c (df_set_blocks): Added code to properly clean out
21476
        unused blocks if they are not part of the blocks to consider.
21477
        Added additional null check.
21478
        (df_compact_blocks): Added basic block parameter to free_bb_fun to
21479
        be able to clean out basic block when not necessary
21480
        * df.h (df_free_bb_function): Ditto.
21481
        (df_bb_refs_delete): New function.
21482
        * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
21483
        df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
21484
        basic block parameter to be able to clean out basic block when not
21485
        necessary.
21486
        (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
21487
        (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
21488
        Fixed to properly delete information if df is unused before
21489
        calling df_finish.
21490
 
21491
2006-01-19  Kenneth Zadeck 
21492
 
21493
        PR rtl-optimization/25799
21494
        * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
21495
        Corrected confluence operator to remove bits from op2 before oring
21496
        with op1 rather than removing bits from op1.
21497
        (df_ru_transfer_function): Corrected test on wrong bitmap which
21498
        caused infinite loop.  Both of these problems were introduced in
21499
        the dataflow rewrite.
21500
 
21501
2006-01-19  DJ Delorie  
21502
 
21503
        * reload1.c (find_reload_regs): Note the details of reload
21504
        failures in the dump file.
21505
        (spill_failure): Likewise.
21506
 
21507
2006-01-20  Zdenek Dvorak 
21508
 
21509
        * loop-iv.c: Include df.h and hashtab.h.
21510
        (enum iv_grd_result): New enum.
21511
        (DF_REF_IV, DF_REF_IV_SET): New macros.
21512
        (struct biv_entry): New.
21513
        (df, bivs): New global variables.
21514
        (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
21515
        assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
21516
        Removed.
21517
        (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
21518
        iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
21519
        analyzed_for_bivness_p, record_biv): New functions.
21520
        (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
21521
        get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
21522
        iv_analyze, biv_p, iv_analysis_done): Work with df representation of
21523
        UD chains.
21524
        (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
21525
        analysed.
21526
        (iv_number_of_iterations): Use new interface to iv analysis.
21527
        * loop-unroll.c: Do not include varray.h.
21528
        (analyze_iv_to_split_insn): Use new interface to iv
21529
        analysis.
21530
        * loop-unswitch.c (may_unswitch_on): Ditto.
21531
        * df.c (df_bitmaps_free): Only work for bbs for that structures are
21532
        allocated.
21533
        (df_bb_modify): Realloc tables to the new index.
21534
        (df_find_use): New function.
21535
        * df.h (df_find_use): Declare.
21536
        * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
21537
        outmode.
21538
        * cfgloop.h (struct rtx_iv): Remove analysed field.
21539
        (iv_get_reaching_def): Removed.
21540
        (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
21541
        * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
21542
        (loop-iv.o): Add df.h and hashtab.h dependency.
21543
        * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
21544
 
21545
2006-01-20  Alan Modra  
21546
 
21547
        PR target/25668
21548
        * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
21549
        Double TFmode.
21550
        (__floatundisf, __floatundidf): Likewise.
21551
        * libgcc2.h (IS_IBM_EXTENDED): Define.
21552
 
21553
2006-01-19  DJ Delorie  
21554
 
21555
        * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
21556
 
21557
2006-01-19  Paul Brook  
21558
 
21559
        * config/arm/arm.c (arm_compute_func_type): Treat all functions
21560
        as nothrow when unwinding tables are disabled.
21561
 
21562
2006-01-19  John David Anglin  
21563
 
21564
        PR testsuite/25171
21565
        * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
21566
        of bit-field" when in system header.
21567
 
21568
2006-01-19  DJ Delorie  
21569
 
21570
        * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
21571
        the 16 bit shift limit of the m16c.
21572
 
21573
2006-01-19  Andrew Pinski  
21574
 
21575
        PR target/22099
21576
        * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
21577
        * config/i386/i386.c (output_set_got): Output the label if we have one
21578
        for the TARGET_DEEP_BRANCH_PREDICTION case.
21579
 
21580
2006-01-19  Jan Hubicka  
21581
            H.J. Lu  
21582
            Evandro Menezes 
21583
 
21584
        * invoke.texi (generic): Document
21585
        (i686) Update.
21586
        * config.gcc: Make x86_64-* and i686-* default to generic tunning.
21587
        * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
21588
        TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
21589
        (x86_use_incdec, x86_pad_returns): New variables
21590
        (TARGET_CPU_DEFAULT_generic): New constant
21591
        (TARGET_CPU_DEFAULT_NAMES): Add generic.
21592
        (enum processor_type): Add generic32 and generic64.
21593
        * i386.md (cpu attribute): Add generic32/generic64
21594
        (movhi splitter): Behave sanely when both partial_reg_dependency and
21595
        partial_reg_stall are set.
21596
        (K8 splitters): Enable for generic as well.
21597
        * predicates.md (incdec_operand): Use TARGET_INCDEC
21598
        (aligned_operand): Avoid memory mismatch stalls.
21599
        * athlon.md: Enable for generic64, new patterns for 128bit moves.
21600
        * ppro.md: Enable for generic32
21601
        * i386.c (generic64_cost, generic32_cost): New.
21602
        (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
21603
        (x86_use_leave): Enable for generic64.  (x86_use_sahf,
21604
        x86_ext_80387_constants): Enable for generic32.  (x86_push_memory,
21605
        x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
21606
        x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
21607
        x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
21608
        x86_partial_reg_dependency, x86_memory_mismatch_stall,
21609
        x86_accumulate_outgoing_args, x86_prologue_using_move,
21610
        x86_epilogue_using_move, x86_arch_always_fancy_math_387,
21611
        x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
21612
        Enable for generic.
21613
        (x86_use_incdec, x86_pad_returns): New.
21614
        (override_options): Add generic32 and generic64, translate "generic"
21615
        to generic32/generic64 and "i686" to "generic32", refuse
21616
        "generic32"/"generic64" as arch target.
21617
        (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
21618
        (ix86_reorg): Honor PAD_RETURNS.
21619
 
21620
2006-01-19  Diego Novillo  
21621
 
21622
        * tree-pretty-print.c (dump_generic_node): Handle
21623
        OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
21624
        * cgraph.c (cgraph_expand_queue): Rename from
21625
        cgraph_analyze_queue.  Update all users.
21626
        * cgraphunit.c (cgraph_assemble_pending_functions): Process
21627
        cgraph_expand_queue.
21628
        (cgraph_expand_all_functions): Likewise.
21629
        (cgraph_finalize_pending_functions): Remove.  Update callers.
21630
 
21631
        * tree.h (OMP_DIRECTIVE_P): Define.
21632
        (OMP_PARALLEL_FN): Define.
21633
        (OMP_PARALLEL_DATA_ARG): Define.
21634
        (OMP_SECTIONS_SECTIONS): Define.
21635
        * tree-pass.h (pass_expand_omp): Declare.
21636
        * omp-low.c (struct omp_region): Declare.
21637
        (struct omp_context): Remove fields 'parallel_type',
21638
        'parallel_start_ix' and 'parallel_start_additional_args'.
21639
        Update all users.
21640
        (struct omp_for_data): Rename from struct expand_omp_for_data.
21641
        (omp_regions): New static variable.
21642
        (root_omp_region): New static variable.
21643
        (find_omp_clause): Make static.
21644
        (is_in_combined_parallel_ctx): Remove.
21645
        (is_combined_parallel): New.
21646
        (extract_omp_for_data): Move earlier in the file.
21647
        (workshare_safe_to_combine_p): New.
21648
        (get_ws_args_for): New.
21649
        (determine_parallel_type): Move earlier in the file.
21650
        (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
21651
        child function.
21652
        (omp_copy_decl): Likewise.
21653
        (create_omp_child_function): Likewise.
21654
        (lookup_omp_region): New.
21655
        (dump_omp_region): New.
21656
        (debug_omp_region): New.
21657
        (debug_all_omp_regions): New.
21658
        (new_omp_region): New.
21659
        (scan_omp_parallel): If parallel_nesting_level > 1, the
21660
        directive is nested within another parallel directive.
21661
        Set OMP_PARALLEL_FN.
21662
        (scan_omp_for): Do not try to handle combined parallel+for
21663
        cases.
21664
        Remove FIXME comment.
21665
        (scan_omp_nested): Remove.
21666
        (scan_omp_1): Do not call scan_omp_nested when
21667
        parallel_nesting_level is > 1.
21668
        Do not change the DECL_CONTEXT of local variables found.
21669
        (lookup_decl_in_outer_ctx): New.
21670
        (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
21671
        (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
21672
        (lower_reduction_clauses): Rename from expand_reduction_clauses.
21673
        (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
21674
        If CTX is nested, lookup VAR in the outer context when
21675
        building copy assignment.
21676
        (lower_send_clauses): Rename from expand_send_clauses.
21677
        If CTX is nested, lookup VAR in the outer context when
21678
        building copy assignments.
21679
        (lower_send_shared_vars): Rename from expand_send_shared_vars.
21680
        If CTX is nested, lookup VAR in the outer context when
21681
        building copy assignments.
21682
        (expand_parallel_call): Rename from build_parallel_call.
21683
        Handle combined parallel+workshare cases.
21684
        Re-implement to emit code into the CFG.
21685
        (list2chain): New.
21686
        (expand_omp_parallel): Re-implement to emit code into the CFG.
21687
        Call move_sese_region_to_fn to outline the sub-graph
21688
        containing the parallel region.
21689
        (expand_omp_for_1): Remove.
21690
        (expand_omp_for_generic): Re-implement to emit code into the
21691
        CFG.
21692
        (expand_omp_for_static_nochunk): Likewise.
21693
        (expand_omp_for_static_chunk): Likewise.
21694
        (expand_omp_for): Likewise.
21695
        (expand_omp_sections): Likewise.
21696
        (remove_exit_barriers): New.
21697
        (expand_omp_synch): New.
21698
        (expand_omp): New.
21699
        (build_omp_regions_1): New.
21700
        (build_omp_regions): New.
21701
        (execute_expand_omp): New.
21702
        (gate_expand_omp): New.
21703
        (pass_expand_omp): Define.
21704
        (lower_omp_sections): Rename from expand_omp_sections.
21705
        Set OMP_SECTIONS_SECTIONS.
21706
        (lower_omp_single_simple): Rename from expand_omp_single_simple.
21707
        (lower_omp_single_copy): Rename from expand_omp_single_copy.
21708
        (lower_omp_single): Rename from expand_omp_simple.
21709
        (lower_omp_master): Rename from expand_omp_master.
21710
        (lower_omp_ordered): Rename from expand_omp_ordered.
21711
        (lower_omp_critical): Rename from expand_omp_critical.
21712
        (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
21713
        (lower_omp_for): Re-implement.
21714
        (lower_omp_parallel): Re-implement.
21715
        (lower_regimplify): Rename from expand_regimplify.
21716
        (lower_omp_1): Rename from expand_omp_1.
21717
        If there are syntax errors in the program, replace every
21718
        OpenMP directive with NOP.
21719
        Call lower_omp_* instead of expand_omp_*.
21720
        (lower_omp): Rename from expand_omp.
21721
 
21722
        * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
21723
        * tree-gimple.h (enum omp_parallel_type): Remove.
21724
        (gimple_boolify): Declare extern.
21725
        (find_omp_clause, determine_parallel_type): Remove.
21726
 
21727
        * gimple-low.c (lower_omp_directive): New.
21728
        (lower_stmt): Call it.
21729
        (record_vars_into): Move from ...
21730
        (record_vars): ... here.
21731
        Call record_vars_into with current_function_decl.
21732
 
21733
        * gimplify.c (struct gimplify_ctx): Remove fields
21734
        combined_pre_p and combined_ctxp.  Update users.
21735
        (get_formal_tmp_var): Add documentation.
21736
        (gimple_boolify): Make extern.
21737
        (gimplify_expr_in_ctx): Remove.  Update callers.
21738
        (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
21739
        will always be a BIND_EXPR.
21740
        (gimplify_expr): Handle OMP_RETURN_EXPR.
21741
        * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
21742
        (OMP_PARALLEL): Add 3 operands.
21743
        (OMP_SECTIONS): Add 1 operand.
21744
        (OMP_RETURN_EXPR): Define.
21745
 
21746
        * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
21747
        (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
21748
        * tree-iterator.c (alloc_stmt_list): Assert that we are not
21749
        creating a circular free list.
21750
        (free_stmt_list): Assert that we are not freeing stmt_list_cache.
21751
 
21752
        * tree-flow.h (move_sese_region_to_fn): Declare.
21753
        (record_vars_into): Declare.
21754
        * tree-cfg.c (make_omp_sections_edges): New.
21755
        (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
21756
        OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
21757
        OMP_SECTIONS and OMP_SECTION.
21758
        (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
21759
        (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
21760
        (verify_stmt): Do not handle OMP_DIRECTIVE_P.
21761
        (gather_blocks_in_sese_region): New.
21762
        (struct move_stmt_d): Declare.
21763
        (move_stmt_r): New.
21764
        (move_block_to_fn): New.
21765
        (move_sese_region_to_fn): New.
21766
 
21767
        * passes.c (init_optimization_passes): Schedule
21768
        pass_expand_omp after pass_init_datastructures.
21769
 
21770
        * tree-ssa-operands.c (get_expr_operands): Handle
21771
        OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
21772
        OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
21773
 
21774
2006-01-19  Jeff Law  
21775
 
21776
        * tree-vrp.c (extract_range_from_assert): Refine the result range
21777
        if the variable referenced by the ASSERT_EXPR has a range and
21778
        either the tentative result range or the previous range is a
21779
        VR_ANTI_RANGE.
21780
 
21781
2006-01-19  Richard Sandiford  
21782
 
21783
        * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
21784
 
21785
2006-01-19  Jan Hubicka  
21786
 
21787
        * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
21788
 
21789
2006-01-19  Paolo Bonzini  
21790
 
21791
        * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
21792
        (expand_compound_operation, expand_field_assignment): Fail if the
21793
        bit lengths of an extract operation are out of range.
21794
        (make_extraction): Compute wanted_inner_mode based on the position
21795
        and length of the extraction.  Make it extraction_mode for non-constant
21796
        positions, and do not modify offset in that case.  When generating a
21797
        new MEM, use a mode that can hold the extraction while keeping correct
21798
        alignment.  Remove code that supported MEMs wrapped by USEs.
21799
        (simplify_shift_const_1, force_to_mode) : Remove.
21800
 
21801
2006-01-19  Andreas Krebbel  
21802
 
21803
        * config/s390/s390.md ("Y", "y"): New mode attribute.
21804
        ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
21805
        "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
21806
        "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
21807
        "*addsi3_imm_cc", "*addsi3_carry1_cc",
21808
        "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
21809
        "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
21810
        "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
21811
        "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
21812
        "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
21813
        "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
21814
        "addsi3", "subsi3"): Insn patterns removed.
21815
        ("*add3_carry1_cc", "*add3_carry1_cconly",
21816
        "*add3_carry2_cc", "*add3_carry2_cconly", "*add3_cc",
21817
        "*add3_cconly", "*add3_cconly2", "*add3_imm_cc",
21818
        "*sub3_borrow_cc", "*sub3_borrow_cconly",
21819
        "*sub3_cc", "*sub3_cc2", "*sub3_cconly",
21820
        "*sub3_cconly2"): New insn patterns.
21821
        ("addsi3", "subsi3"): New expanders.
21822
 
21823
2006-01-19  Dorit Nuzman  
21824
 
21825
        * Makefile.in (tree-vect-patterns.o): Add rule for new file.
21826
        * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
21827
        existing STMT_VINFO_VECTYPE if available.
21828
        (vect_mark_relevant): Add special handling for stmts that are
21829
        marked as STMT_VINFO_IN_PATTERN_P.
21830
        (vect_analyze_loop): Call vect_pattern_recog.
21831
        * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
21832
        * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
21833
        stmt_info.
21834
        (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
21835
        (vect_recog_func_ptr): New function-pointer type.
21836
        * tree-vect-patterns.c: New file.
21837
        (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
21838
        (vect_recog_dot_prod_pattern, vect_pattern_recog):
21839
        (vect_pattern_recog_1): New functions.
21840
        (vect_pattern_recog_funcs): New array of function pointers.
21841
 
21842
        * tree-vectorizer.h (ternary_op): New enum value.
21843
        * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
21844
        declaration. Revised documentation. Removed redundant dump prints.
21845
        Removed redundant argument. Added support for reduction patterns.
21846
        (vectorizable_reduction): Added support for reduction patterns.
21847
        (vect_transform_stmt): Added support for patterns.
21848
 
21849
        * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
21850
        * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
21851
        * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
21852
        (expand_widen_pattern_expr): New function.
21853
        (init_optabs): Initialize new optabs udot_prod_optab,
21854
        sdot_prod_optab.
21855
        * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
21856
        (sdot_prod_optab, udot_prod_optab): Define new optabs.
21857
        (expand_widen_pattern_expr): New function declaration.
21858
        * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
21859
        tree-codes.
21860
        * tree-inline.c (estimate_num_insns_1): Added cases for new
21861
        tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
21862
        * tree-pretty-print.c (dump_generic_node): Likewise.
21863
        (op_prio): Likewise.
21864
        (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
21865
        * tree-ssa-operands.c (get_expr_operands): Added case for
21866
        DOT_PROD_EXPR.
21867
        * tree-vect-patterns.c (widened_name_p): New function.
21868
        (vect_recog_dot_prod_pattern): Added function implementation.
21869
        * tree-vect-transform.c (get_initial_def_for_reduction): Added
21870
        cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
21871
        * config/rs6000/altivec.md (udot_prod, sdot_prodv8hi): New.
21872
        * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
21873
 
21874
        * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
21875
        * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
21876
        * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
21877
        (init_optabs): Initialize new optabs widen_ssum_optab,
21878
        widen_usum_optab.
21879
        * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
21880
        (widen_ssum_optab, widen_usum_optab): Define new optabs.
21881
        * tree-vect-generic.c: (expand_vector_operations_1): Check type of
21882
        use instead of type of def.
21883
        * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
21884
        function implementation.
21885
        * config/rs6000/altivec.md (widen_usum, widen_ssumv16qi,
21886
        widen_ssumv8hi): New.
21887
 
21888
        * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
21889
        patterns.
21890
 
21891
2006-01-19  Richard Sandiford  
21892
 
21893
        PR c/25805
21894
        * c-decl.c (add_flexible_array_elts_to_size): New function.
21895
        (finish_decl): Use it.
21896
 
21897
2006-01-18  Andrew Pinski  
21898
 
21899
        * diagnostic.h: Include options.h.
21900
        * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
21901
        dependancies for diagnostic.h.
21902
        * Makefile.in (DIAGNOSTIC_H): Add options.h.
21903
 
21904
2006-01-16  Daniel Berlin  
21905
 
21906
        * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
21907
        (ssa_ro_call_cache_valid): Ditto.
21908
        * tree-ssa-alias.c (sort_tags_by_id): New function.
21909
        (init_transitive_clobber_worklist): Ditto.
21910
        (add_to_worklist): Ditto.
21911
        (mark_aliases_call_clobbered): Ditto.
21912
        (compute_tag_properties): Ditto.
21913
        (set_initial_properties): Ditto.
21914
        (compute_call_clobbered): Ditto.
21915
        (compute_may_aliases):  Call compute_call_clobbered and grouping.
21916
        (compute_flow_sensitive_aliasing): Remove clobbering related code.
21917
        (compute_flow_insensitive_aliasing): Grouping now happens in our
21918
        caller.
21919
        (setup_pointers_and_addressables): Remove clobbering related code.
21920
        (add_may_alias): Ditto.
21921
        (replace_may_alias): Ditto.
21922
        (get_nmt_for): Ditto.
21923
        (create_global_var):
21924
        (is_escape_site): Return an escape_type enumeration.
21925
        * tree-flow-inline.h (is_call_clobbered): Global var does not
21926
        imply call clobbered.
21927
        (mark_call_clobbered): Take a reason for marking this. Remove
21928
        marking of globalness, and cache invalidation.
21929
        (clear_call_clobbered): Remove cache invalidation code.
21930
        * tree-dfa.c (dump_variable): If details is on, dump the reason
21931
        for escaping.
21932
        * tree-outof-ssa.c (create_temp): Copy escape mask from original
21933
        variable.
21934
        * tree-flow.h (struct ptr_info_def): Add escape mask member.
21935
        (struct var_ann_d): Ditto.
21936
        (enum escape_type): New.
21937
        (mark_call_clobbered): Adjust prototype.
21938
        * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
21939
        are never call clobbered.
21940
        Record reasons for escaping.
21941
        * tree-ssa-structalias.h (is_escape_site): Update prototype.
21942
        * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
21943
        (ssa_ro_call_cache_valid): Ditto.
21944
        (clobbered_v_may_defs): Ditto.
21945
        (clobbered_vuses): Ditto.
21946
        (ro_call_vuses): Ditto.
21947
        (clobber_stats): New.
21948
        (init_ssa_operands): Zero out clobber stats.
21949
        (fini_ssa_operands): Print out clobber stats.
21950
        (get_call_expr_operands): Pass callee fndecl to
21951
        add_call_read_ops).
21952
        (add_call_clobber_ops): Remove use of cache.
21953
        Add use of PURE_CONST information.
21954
        (add_call_read_ops): Remove use of cache.
21955
        Add use of static not_read information.
21956
 
21957
2006-01-18  Alexandre Oliva  
21958
 
21959
        Introduce TLS descriptors for i386 and x86_64.
21960
        * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
21961
        (TARGET_ANY_GNU_TLS): New macro.
21962
        (enum tls_dialect): Added TLS_DIALECT_GNU2.
21963
        (struct machine_function): Add tls_descriptor_call_expanded_p.
21964
        (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
21965
        (ix86_current_function_calls_tls_descriptor): Likewise.
21966
        * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
21967
        (override_options): Introduce gnu2 tls dialect.
21968
        (ix86_frame_pointer_required): Functions containing TLSCALLs are
21969
        not leaves.
21970
        (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
21971
        Likewise.
21972
        (legitimize_tls_address): Adjust logic for GNU2 TLS.
21973
        (ix86_init_machine_status): Initialize new field.
21974
        (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
21975
        (ix86_tls_module_base): New.
21976
        * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
21977
        * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
21978
        (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
21979
        (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
21980
        (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
21981
        (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
21982
        (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
21983
        (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
21984
        * config/i386/predicates.md (tls_modbase_operand): New.
21985
        (tp_or_register_operand): New.
21986
 
21987
2006-01-18  Daniel Berlin  
21988
 
21989
        * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
21990
        (look_for_address_of): Ditto.
21991
        (ipa_init): Walk the function decls.
21992
        (static_execute): Don't set readonly on FUNCTION_DECL's.
21993
 
21994
2006-01-18  Roger Sayle  
21995
 
21996
        * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
21997
        for shifts where the source and destination registers are different.
21998
 
21999
2006-01-18  Paul Brook  
22000
 
22001
        Merge from csl-arm-branch.
22002
        2005-03-14  Julian Brown  
22003
        * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
22004
        (aeabi_llsl): Likewise.
22005
        (ashrdi3): Likewise.
22006
        (aeabi_lasr): Likewise.
22007
        (lshrdi3): Likewise.
22008
        (aeabi_llsr): Likewise.
22009
        2005-03-10  Julian Brown  
22010
        * config.gcc: Disable shared libgcc for SymbianOS.
22011
        * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
22012
 
22013
2006-01-18  DJ Delorie  
22014
 
22015
        * c-pragma.c (handle_pragma_diagnostic): New.
22016
        (init_pragma): Register it.
22017
        * doc/extend.texi: Document it.
22018
 
22019
        * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
22020
        * diagnostic.h (diagnostic_classify_diagnostic): Declare.
22021
        (diagnostic_context): Add classify_diagnostic[].
22022
        * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
22023
        as errors if they're overridden to DK_WARNING.
22024
        (diagnostic_initialize): Initialize classify_diagnostic[].
22025
        (diagnostic_set_kind_override): New.
22026
        (diagnostic_report_diagnostic): Check for kind changes.
22027
        * opts.c (common_handle_option): Take lang_mask.  Update callers.
22028
        Handle OPT_Werror_.
22029
        * common.opt (Werror=): New.
22030
        * doc/invoke.texi: Document -Werror=*
22031
 
22032
2006-01-18  Jeff Law  
22033
 
22034
        * tree-vrp.c (test_for_singularity): Correct test for new
22035
        min limit.  Use operand_equal_p rather than pointer equality
22036
        for testing if new min/max values are equal.
22037
 
22038
        * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
22039
        using range information until after propagation and folding.
22040
 
22041
2006-01-18  Richard Henderson  
22042
            Aldy Hernandez  
22043
            Jakub Jelinek  
22044
            Diego Novillo  
22045
 
22046
        * omp-low.c: New file.
22047
        * c-omp.c: New file.
22048
 
22049
2006-01-18  Richard Henderson  
22050
            Jakub Jelinek  
22051
            Diego Novillo  
22052
 
22053
        * doc/invoke.texi: Document -fopenmp.
22054
        * tree-dump.h (debug_function): Declare.
22055
        * hooks.c (hook_bool_tree_bool_false): New function.
22056
        (hook_tree_tree_null): Remove.
22057
        (hook_tree_tree_tree_null): New.
22058
        * hooks.h: Update to match.
22059
        * tree-pretty-print.c (debug_tree_chain): New.
22060
        (print_generic_expr): Handle TDF_CHAIN.
22061
        (dump_generic_node): Handle BLOCK.
22062
        Do not abort with incomplete SWITCH_EXPRs.
22063
        Do not dump body of an OpenMP directive if TDF_SLIM is given.
22064
        : Don't
22065
        print space after directive name.
22066
        : Handle printing OMP_FOR_PRE_BODY.
22067
        Handle OMP_MASTER and OMP_ORDERED.
22068
        Handle printing of OMP_BODY just in one place, goto
22069
        dump_omp_body in the rest of OMP_* nodes that have
22070
        OMP_BODY.
22071
        Don't handle clause nodes here.  Update omp statements to
22072
        use dump_omp_clauses.
22073
        Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
22074
        OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
22075
        OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
22076
        GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
22077
        GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
22078
        GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
22079
        Adjust output for GOMP_PARALLEL.
22080
        (dump_omp_clauses): New.
22081
        (print_declaration): Dump DECL_VALUE_EXPR.
22082
        (op_symbol_1): Split out of op_symbol.
22083
        (dumping_stmts): Remove.  Update all users.
22084
        * cgraph.c (cgraph_analyze_queue): New.
22085
        (cgraph_add_new_function): New.
22086
        * cgraph.h (cgraph_analyze_queue): Declare.
22087
        (cgraph_add_new_function): Declare.
22088
        (cgraph_lower_function): Remove.
22089
        * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
22090
        nodes.  Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
22091
        and TYPE_P nodes in its default clause.
22092
        (empty_body_p): New.
22093
        (tree_range_check_failed): New.
22094
        (build5_stat): New.
22095
        * tree.h (OMP_CLAUSE_REDUCTION_INIT,
22096
        OMP_CLAUSE_REDUCTION_MERGE,
22097
        OMP_CLAUSE_REDUCTION_PLACEHOLDER,
22098
        OMP_CLAUSE_PRIVATE_DEBUG,
22099
        OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
22100
        OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
22101
        OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
22102
        OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
22103
        OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
22104
        OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
22105
        OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
22106
        OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
22107
        OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
22108
        OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
22109
        OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
22110
        OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
22111
        OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
22112
        OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
22113
        (TREE_RANGE_CHECK): New.
22114
        (empty_body_p): Declare.
22115
        (enum omp_clause_default_kind): New.
22116
        (build_string_literal): Declare.
22117
        (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
22118
        (build5_stat, build5): Declare.
22119
        * tree-pass.h (TDF_CHAIN): Define.
22120
        * tree-pass.h (PROP_gimple_lomp): Define.
22121
        (pass_lower_omp): Declare.
22122
        * diagnostic.h (debug_tree_chain): Declare.
22123
        * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
22124
        mode_for_size.
22125
        (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
22126
        * builtins.c (build_string_literal): Make extern.
22127
        * gcc.c (include_spec_function): New.
22128
        (static_spec_functions): Add it.
22129
        (main): Move load of libgomp.spec ...
22130
        (LINK_COMMAND_SPEC): ... here.
22131
        (link_gomp_spec): New.
22132
        (static_specs): Include it.
22133
        (LINK_COMMAND_SPEC): Add link_gomp.
22134
        (GOMP_SELF_SPECS): New.
22135
        (driver_self_specs): Include it.
22136
        (switch_matches): Don't mark inline.
22137
        (main): Load libgomp.spec.
22138
        * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
22139
        OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
22140
        and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
22141
        * tree-gimple.h (enum omp_parallel): Declare.
22142
        (determine_parallel_type): Declare.
22143
        (omp_firstprivatize_variable): Declare.
22144
        (omp_reduction_init): Declare.
22145
        (diagnose_omp_structured_block_errors): Declare.
22146
        (struct walk_stmt_info): Add want_return_expr.
22147
        (struct walk_stmt_info): Add want_bind_expr, want_locations.
22148
        (find_omp_clause): Declare.
22149
        (insert_field_into_struct): Declare.
22150
        (struct walk_stmt_info): Move from tree-nested.c
22151
        (walk_stmts): Declare.
22152
        * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
22153
        to 200505.
22154
        * cgraphunit.c (cgraph_lower_function): Make static.
22155
        (cgraph_finalize_pending_functions): New.
22156
        (cgraph_finalize_function): Call it.
22157
        (cgraph_finalize_compilation_unit): Likewise.
22158
        * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
22159
        BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
22160
        (BT_FN_UINT_UINT): New.
22161
        (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
22162
        DEF_FUNCTION_TYPE_VAR_4): Document.
22163
        (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
22164
        BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
22165
        BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
22166
        BT_FN_VOID_OMPFN_PTR_UINT_UINT,
22167
        BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
22168
        BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
22169
        BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
22170
        BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
22171
        * builtins.def: Update DEF_BUILTIN comment to include COND argument.
22172
        Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
22173
        into separate files.
22174
        (DEF_GOMP_BUILTIN): New.
22175
        (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
22176
        BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
22177
        BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
22178
        BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
22179
        BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
22180
        BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
22181
        BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
22182
        BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
22183
        BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
22184
        BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
22185
        BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
22186
        BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
22187
        BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
22188
        BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
22189
        BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
22190
        BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
22191
        BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
22192
        BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
22193
        BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
22194
        BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
22195
        BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
22196
        BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
22197
        BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
22198
        BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
22199
        BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
22200
        BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
22201
        * sync-builtins.def: New file, moved from builtins.def.
22202
        * omp-builtins.def: New file, moved from builtins.def.
22203
        * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
22204
        * gimple-low.c (lower_function_body): Clear data.
22205
        (lower_stmt): Do not handle COMPOUND_EXPR.
22206
        Remove call to print_node_brief.
22207
        * c-tree.h (c_finish_omp_clauses): New prototype.
22208
        (C_DECL_THREADPRIVATE_P): Define.
22209
        (lookup_name_no_remap, c_omp_remap_private): Remove
22210
        (c_begin_omp_parallel, c_finish_omp_parallel): Update.
22211
        (check_for_loop_decls): Update decl.
22212
        (lookup_name_no_remap, c_omp_remap_private): Declare.
22213
        (build_indirect_ref, build_modify_expr, pushdecl,
22214
        pushdecl_top_level): Move to c-common.h.
22215
        * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
22216
        before the switch, but just in the 2 places that need it.
22217
        * c-decl.c (diagnose_mismatched_decls): Do not check for
22218
        mismatched thread-local attributes when OLDDECL is marked
22219
        threadprivate and NEWDECL has no thread-local attributes.
22220
        (merge_decls): Merge C_DECL_THREADPRIVATE_P.
22221
        (c_gimple_diagnostics_recursively): Rename from
22222
        c_warn_unused_result_recursively.  Invoke
22223
        diagnose_omp_structured_block_errors.
22224
        (check_for_loop_decls): Return a singular decl found.
22225
        * langhooks.c (lhd_omp_predetermined_sharing): Return
22226
        OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
22227
        (lhd_omp_firstprivatize_type_sizes): New.
22228
        (lhd_omp_assignment): New.
22229
        (lhd_omp_predetermined_sharing): New.
22230
        * langhooks.h (struct gimplify_omp_ctx): Forward declare.
22231
        (struct lang_hooks_for_types): Add
22232
        omp_firstprivatize_type_sizes, omp_privatize_by_reference,
22233
        omp_predetermined_sharing, omp_disregard_value_expr,
22234
        omp_private_debug_clause, omp_clause_default_ctor,
22235
        omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
22236
        (c_finish_omp_clauses): New.
22237
        (c_finish_bc_stmt): Diagnose break within omp for.
22238
        (c_begin_omp_parallel, c_finish_omp_parallel): New.
22239
        (build_unary_op): Return error_mark after reporting
22240
        a readonly_error.
22241
        (build_modify_expr): Likewise.
22242
        * gimplify.c: Include optabs.h and pointer-set.h.
22243
        (enum gimplify_omp_var_data): Declare.
22244
        (struct gimplify_omp_ctx): Declare.
22245
        (struct gimplify_ctx): Add fields prev_context, combined_pre_p
22246
        and combined_ctxp.
22247
        (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
22248
        (push_gimplify_context, pop_gimplify_context): Allow nesting.
22249
        (splay_tree_compare_decl_uid): New.
22250
        (new_omp_context): New.
22251
        (delete_omp_context): New.
22252
        (gimple_add_tmp_var): Call omp_add_variable.
22253
        (gimplify_bind_expr): Likewise.
22254
        (gimplify_var_or_parm_decl): If omp_notice_variable returned
22255
        true, disregard DECL_VALUE_EXPR on the decl if any.
22256
        (gimplify_expr_in_ctx): New.
22257
        (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
22258
        omp_add_variable, omp_notice_variable, omp_is_private
22259
        gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
22260
        gimplify_adjust_omp_clauses, gimplify_omp_parallel
22261
        gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
22262
        gimplify_omp_atomic_fetch_op, goa_stabilize_expr
22263
        gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
22264
        gimplify_omp_atomic): New.
22265
        (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
22266
        OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
22267
        OMP_CRITICAL and OMP_ATOMIC.
22268
        (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
22269
        * c-pragma.h (enum pragma_kind): Add
22270
        PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
22271
        PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
22272
        PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
22273
        PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
22274
        PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
22275
        PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
22276
        PRAGMA_OMP_THREADPRIVATE.
22277
        * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
22278
        OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
22279
        OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
22280
        OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
22281
        OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
22282
        OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
22283
        OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
22284
        OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
22285
        OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
22286
        * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
22287
        * tree-ssa-dce.c (find_control_dependence): Do not assume that
22288
        ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
22289
        * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
22290
        OpenMP directives.
22291
        (struct nesting_info): Add field_map,
22292
        suppress_expansion, debug_var_chain.
22293
        (create_nesting_tree): Initialize them.
22294
        (lookup_field_for_decl): Use field_map.
22295
        (get_nonlocal_debug_decl, get_local_debug_decl): New.
22296
        (convert_local_omp_clauses): New.
22297
        (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
22298
        (walk_body): Split out of walk_function.
22299
        (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
22300
        (convert_nonlocal_reference): Handle omp statements.
22301
        (convert_local_reference): Likewise.
22302
        (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
22303
        (unnest_nesting_tree): New.
22304
        (lower_nested_functions): Call it.
22305
        (insert_field_into_struct): Make extern.
22306
        (struct walk_stmt_info): Move to tree-gimple.h.
22307
        (walk_stmts): Make extern.
22308
        * omp-builtins.def: New file.
22309
        * tree-iterator.c (expr_only): Clarify comment.
22310
        * c-common.h (pushdecl_top_level, pushdecl,
22311
        build_modify_expr, build_indirect_ref,
22312
        c_finish_omp_master, c_finish_omp_critical,
22313
        c_finish_omp_ordered, c_finish_omp_barrier,
22314
        c_finish_omp_atomic, c_finish_omp_flush,
22315
        c_finish_omp_for, c_split_parallel_clauses,
22316
        omp_clause_default_kind, c_omp_sharing_predetermined,
22317
        c_omp_remap_decl): Declare.
22318
        * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
22319
        (OBJS-common): Add omp-low.o.
22320
        (c-omp.o, omp-low.o): Add.
22321
        (gimplify.o): Add dependency on $(OPTABS_H).
22322
        (GTFILES): Add omp-low.c.
22323
        (gt-stringpool.h): Add.
22324
        * tree-cfg.c (set_bb_for_stmt): Do not update the
22325
        block-to-labels map if we are currently expanding to RTL.
22326
        (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
22327
        checks.
22328
        Handle IDENTIFIER_NODE.
22329
        (tree_verify_flow_info): Do not ICE when emitting error
22330
        messages about invalid labels.
22331
        (dump_function_to_file): Reset CFUN before emitting the body
22332
        of the function.
22333
        (debug_function): New.
22334
        * passes.c (init_optimization_passes): Schedule
22335
        pass_lower_omp.
22336
        * langhooks-def.h (lhd_omp_predetermined_sharing,
22337
        lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
22338
        Declare.
22339
        (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
22340
        (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
22341
        (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
22342
        LANG_HOOKS_OMP_PREDETERMINED_SHARING,
22343
        LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
22344
        LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
22345
        LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
22346
        LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
22347
        LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
22348
        LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
22349
        (LANG_HOOK_DECLS): Use them.
22350
 
22351
2006-01-18  Dmitry Kurochkin 
22352
            Richard Henderson  
22353
            Jakub Jelinek  
22354
            Diego Novillo  
22355
 
22356
        * c-parser.c (pragma_omp_clause): Define.
22357
        (c_parser_declaration_or_fndef): Document OpenMP syntax.
22358
        (c_parser_compound_statement): Likewise.
22359
        (c_parser_statement): Likewise.
22360
        (c_parser_pragma): Handle omp pragmas.
22361
        (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
22362
        OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
22363
        (c_parser_omp_clause_name, check_no_duplicate_clause,
22364
        c_parser_omp_variable_list,
22365
        c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
22366
        c_parser_omp_clause_copyprivate,
22367
        c_parser_omp_clause_default,
22368
        c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
22369
        c_parser_omp_clause_lastprivate,
22370
        c_parser_omp_clause_nowait,
22371
        c_parser_omp_clause_num_threads,
22372
        c_parser_omp_clause_ordered, c_parser_omp_clause_private,
22373
        c_parser_omp_clause_reduction,
22374
        c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
22375
        c_parser_omp_all_clauses, c_parser_omp_structured_block,
22376
        c_parser_omp_atomic, c_parser_omp_barrier,
22377
        c_parser_omp_critical, c_parser_omp_flush,
22378
        c_parser_omp_for_loop, c_parser_omp_for,
22379
        c_parser_omp_master, c_parser_omp_ordered,
22380
        c_parser_omp_sections_scope, c_parser_omp_sections,
22381
        c_parser_omp_parallel, c_parser_omp_single,
22382
        c_parser_omp_construct, c_parser_omp_threadprivate): New.
22383
        * c-pragma.c (init_pragma): Do omp pragma registration here.
22384
        * c.opt (fopenmp): New flag.
22385
 
22386
2006-01-18  Eric Christopher  
22387
 
22388
        * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
22389
        * config/darwin.h (GOMP_SELF_SPECS): Define.
22390
 
22391
2006-01-18  Kazu Hirata  
22392
 
22393
        * rtl.h: Remove the prototype for reg_alloc.
22394
 
22395
2006-01-18  John David Anglin  
22396
 
22397
        PR target/25731
22398
        * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
22399
        hppa[12]*-*-hpux11*): Override default shared libgcc version for both
22400
        sjlj and dwarf2 exception handling.
22401
        * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
22402
        Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
22403
        * pa/pa.c (function_value): Treat complex and vector types as
22404
        aggregates.
22405
        (function_arg): Likewise.  Only pass scalar floats in the floating
22406
        point argument registers.
22407
        * pa/t-slibgcc-dwarf-ver: New file.
22408
        * pa/t-slibgcc-sjlj-ver: New file.
22409
        * pa/t-slibgcc-elf-ver: Delete file.
22410
 
22411
2006-01-19  Alan Modra  
22412
 
22413
        * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
22414
        unlikely_test_section_p test.
22415
 
22416
2006-01-18  Kazu Hirata  
22417
 
22418
        * mode-switching.c (optimize_mode_switching): Make it static.
22419
        * basic-block.h: Remove the prototype for
22420
        optimize_mode_switching.
22421
 
22422
        * modulo-sched.c (sms_schedule): Make it static.
22423
        * rtl.h: Remove the prototype for sms_schedule.
22424
 
22425
        * postreload-gcse.c (gcse_after_reload_main): Make it static.
22426
        * rtl.h: Remove the prototype for gcse_after_reload_main.
22427
 
22428
        * reg-stack.c (reg_to_stack): Make it static.
22429
        * rtl.h: Remove the prototype for reg_to_stack.
22430
 
22431
        * regrename.c (regrename_optimize, copyprop_hardreg_forward):
22432
        Make them static.
22433
        * rtl.h: Remove the prototypes for regrename_optimize and
22434
        copyprop_hardreg_forward.
22435
 
22436
2006-01-18  Eric Botcazou  
22437
 
22438
        * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
22439
        alpha_split_tmode_pair.  Add 'mode' and 'fixup_overlap' arguments.
22440
        Test against the appropriate null constant for the mode.
22441
        If 'fixup_overlap' is true, swap the operands if they overlap.
22442
        (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
22443
        * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
22444
        alpha_split_tmode_pair and adjust for above change.
22445
        * config/alpha/alpha.md (movtf_internal): Adjust call to
22446
        alpha_split_tfmode_pair and rely on it to swap the operands.
22447
        (movti_internal): New insn and post-reload splitter.
22448
        (movti): New expander.
22449
 
22450
2006-01-18  Philippe De Muyter  
22451
 
22452
        * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
22453
        operands.
22454
 
22455
2006-01-18  Kazu Hirata  
22456
 
22457
        * rtlanal.c (global_reg_mentioned_p_1,
22458
        global_reg_mentioned_p): Remove.
22459
        * rtl.h: Remove the prototype for global_reg_mentioned_p.
22460
 
22461
        * flow.c (initialize_uninitialized_subregs): Make it static.
22462
        * rtl.h: Remove the prototype for
22463
        initialize_uninitialized_subregs.
22464
 
22465
        * function.c (instantiate_virtual_regs): Make it static.
22466
        * function.h: Remove the prototype for
22467
        instantiate_virtual_regs.
22468
 
22469
        * regmove.c (regmove_optimize, combine_stack_adjustments):
22470
        Make them static.
22471
        * rtl.h: Remove the prototypes for regmove_optimize and
22472
        combine_stack_adjustments.
22473
 
22474
2006-01-17  Roger Sayle  
22475
 
22476
        * config/i386/i386.c (COSTS_N_BYTES): New macro.
22477
        (size_cost): Encode costs in bytes so that a reg-reg addition is
22478
        equivalent to COSTS_N_INSNS(1).
22479
        (override_options): Use the size_cost.branch_cost as the default
22480
        ix86_branch_cost when optimizing for size.
22481
 
22482
2006-01-18  Ben Elliston  
22483
 
22484
        * Makefile.in (D32PBIT_FUNCS): New.
22485
        (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
22486
        (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
22487
        D64PBIT_FUNCS and D128PBIT_FUNCS.
22488
        (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
22489
        * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
22490
        D128PBIT are set.
22491
        (decnumber_dep): Define.
22492
        * doc/libgcc.texi (Decimal float library routines): New node.
22493
        * config/dfp-bit.h, config/dfp-bit.c: New files.
22494
 
22495
2006-01-18  Ben Elliston  
22496
 
22497
        * expr.c (emit_move_change_mode): Always adjust addresses, not
22498
        just during reload.  Copy replacements only during reload.
22499
        (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
22500
        emit_move_via_integer.
22501
 
22502
2006-01-17  Shantonu Sen  
22503
 
22504
        * Makefile.in (check-%, check-consistency): Use $${srcdir}
22505
        instead of $(srcdir) and ${srcdir}.
22506
 
22507
2006-01-17  Richard Earnshaw  
22508
 
22509
        PR target/592
22510
        PR middle-end/11135
22511
        * arm.h (struct machine_function): Add pic_reg.
22512
        * arm.c (arm_pic_register): Make unsigned.
22513
        (arm_override_options): Only set arm_pic_register if
22514
        TARGET_SINGLE_PIC_BASE.
22515
        (use_return_insn): Only test for a pic register if it is fixed.
22516
        (arm_compute_save_reg0_reg12_mask): Likewise.
22517
        (thumb_compute_save_reg_mask): Likewise.
22518
        (legitimate_pic_operand): Factor out some known invariants.
22519
        (legitimize_pic_address): If we don't have a fixed pic register,
22520
        then set up a pseudo in the function entry sequence.  Handle the
22521
        pic base being in a pseudo.
22522
        (arm_load_pic_register): Handle the pic register being in a pseudo.
22523
        (arm_expand_prologue): Only set up the pic register if it is fixed.
22524
        (thumb_expand_prologue): Likewise.
22525
        * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
22526
        (pic_load_addr_based_insn): Likewise.
22527
        (builtin_setjmp_receiver): Don't restore the pic base if it isn't
22528
        fixed.
22529
 
22530
2006-01-18  Ben Elliston  
22531
 
22532
        * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
22533
        decimal float modes for all floating point registers.
22534
 
22535
        * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
22536
        match_code "mem" with match_test "macho_lo_sum_memory_operand".
22537
 
22538
2006-01-17  Jakub Jelinek  
22539
 
22540
        PR c/25682
22541
        * c-typeck.c (build_unary_op): Fold offsetof-like expressions
22542
        even when the pointer is not NULL.
22543
 
22544
2006-01-16  Ian Lance Taylor  
22545
 
22546
        * common.opt (ftoplevel-reorder): New option.
22547
        * cgraph.c (cgraph_asm_nodes): New global variable.
22548
        (cgraph_asm_last_node): New static variable.
22549
        (cgraph_order): New global variable.
22550
        (cgraph_create_node): Set new order field.
22551
        (cgraph_varpool_node): Likewise.
22552
        (decide_is_variable_needed): Return true if not
22553
        flag_toplevel_reorder.
22554
        (cgraph_add_asm_node): New function.
22555
        * cgraph.h (struct cgraph_node): Add order field.
22556
        (struct cgraph_varpool_node): Add order field.
22557
        (struct cgraph_asm_node): Define.
22558
        (cgraph_asm_nodes, cgraph_order): Declare.
22559
        (cgraph_add_asm_node): Declare.
22560
        * cgraphunit.c (cgraph_varpool_assemble_decl): New static
22561
        function.
22562
        (cgraph_varpool_assemble_pending_decls): Call it.
22563
        (cgraph_output_pending_asms): New static function.
22564
        (cgraph_finalize_compilation_unit): Call it.
22565
        (struct cgraph_order_sort): Define.
22566
        (cgraph_output_in_order): New static function.
22567
        (cgraph_optimize): Call cgraph_output_pending_asms.  Add code for
22568
        !flag_toplevel_reorder case.
22569
        * c-parser.c: Include "cgraph.h".
22570
        (c_parser_asm_definition): Call cgraph_add_asm_node rather than
22571
        assemble_asm.
22572
        * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
22573
        than -fno-unit-at-a-time.
22574
        * doc/invoke.texi (Option Summary): Mention
22575
        -fno-toplevel-reorder.
22576
        (Optimize Options): Document -fno-toplevel-reorder.  Mention it in
22577
        -funit-at-a-time documentation.
22578
 
22579
2006-01-17  Hans-Peter Nilsson  
22580
            Kazu Hirata  
22581
 
22582
        * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
22583
 
22584
2006-01-17  Kazu Hirata  
22585
 
22586
        * Makefile.in (FUNCTION_H): New.  Use it instead of
22587
        function.h throughout the file.
22588
        * function.h: Include tree.h.
22589
 
22590
2006-01-17  Ben Elliston  
22591
 
22592
        * recog.c: Separate some functions with whitespace.
22593
 
22594
2006-01-16  Richard Henderson  
22595
 
22596
        Merge from gomp branch:
22597
        * Makefile.in (TREE_INLINE_H): New.  Use it as needed.
22598
        * tree-inline.h (struct copy_body_data): Move from tree-inline.c
22599
        and rename from struct inline_data.  Rename callee* to dst*;
22600
        caller* to src*; add copy_decl hook, transform_call_graph_edges,
22601
        transform_new_cfg, transform_return_to_modify, and
22602
        transform_lang_insert_block flags; remove cloning_p, versioning_p,
22603
        update_clones_p.
22604
        (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
22605
        (copy_decl_for_dup): Remove.
22606
        * tree-inline.c (struct inline_data): Move to header.
22607
        (insert_decl_map): Export.
22608
        (remap_decl): Update for member name changes.  Use copy_decl hook.
22609
        Allow for replacement to be a non-decl.  Remove dead code.
22610
        (remap_type_1): Check for existing mapping.
22611
        (remap_type): Export.
22612
        (remap_decls): Update for member name changes.
22613
        (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
22614
        (copy_body, setup_one_parameter, declare_return_variable): Likewise.
22615
        (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
22616
        (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
22617
        (tree_function_versioning, build_duplicate_type): Likewise.
22618
        (copy_body_r): Likewise.  Export.
22619
        (copy_decl_for_dup): Split into ...
22620
        (copy_decl_for_dup_finish, copy_decl_to_var,
22621
        copy_decl_no_change, copy_decl_maybe_to_var): ... these.
22622
        (replace_ref_tree, inlining_p): Remove.
22623
 
22624
2006-01-16  Kazu Hirata  
22625
 
22626
        * ifcvt.c (if_convert): Make it static.
22627
        * rtl.h: Remove the prototype for if_convert.
22628
 
22629
        * local-alloc.c (local_alloc): Make it static.
22630
        * rtl.h: Remove the prototype for local_alloc.
22631
 
22632
        * loop.c (loop_optimize): Make it static.
22633
        * cfgloop.h: Remove the prototype for loop_optimize.
22634
        * rtl.h: Likewise.
22635
 
22636
2006-01-16  DJ Delorie  
22637
 
22638
        * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
22639
        mems.
22640
 
22641
2006-01-16  John David Anglin  
22642
 
22643
        * pa.md: Disparage copies between general and floating-point registers
22644
        in 32-bit move patterns.
22645
 
22646
2006-01-16  H.J. Lu  
22647
 
22648
        PR testsuite/25741
22649
        * Makefile.in (check-%): Depend on site.exp instead of
22650
        $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
22651
        directories.
22652
 
22653
2006-01-16  Kazu Hirata  
22654
 
22655
        * global.c (global_alloc): Make it static.
22656
        * rtl.h: Remove the prototype for global_alloc.
22657
 
22658
2006-01-16  Richard Guenther  
22659
 
22660
        * tree-ssa-alias.c (struct used_part): Add write_only field.
22661
        (get_or_create_used_part_for): Initialize it to true.
22662
        (create_overlap_variables_for): Don't create structure variables
22663
        for structures that only are written to.
22664
        (find_used_portions): Handle MODIFY_EXPR to track whether a
22665
        structure is only written to.
22666
 
22667
2006-01-16  Kazu Hirata  
22668
 
22669
        * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
22670
        static.
22671
        * basic-block.h: Remove the prototype for
22672
        partition_hot_cold_basic_blocks.
22673
 
22674
2006-01-16  Rafael Ávila de Espíndola 
22675
 
22676
        * cppspec.c (lang_specific_spec_functions): Remove.
22677
        * gcc.c (lookup_spec_function): Use static_spec_functions directly.
22678
        * gcc.h (lang_specific_spec_functions): Remove.
22679
        * gccspec.c (lang_specific_spec_functions): Remove.
22680
 
22681
2006-01-16  Paolo Bonzini  
22682
 
22683
        * combine.c (record_value_for_reg): Invalidate registers
22684
        if INSN is null.
22685
        (record_dead_and_set_regs_1): Likewise, by passing them to
22686
        record_value_for_reg.
22687
        (record_dead_and_set_regs): Invalidate stores made by a
22688
        call.  We do not combine across a call, but we still
22689
        relied on equivalences.
22690
 
22691
2006-01-16  Eric Botcazou  
22692
 
22693
        * tree-vrp.c (extract_range_from_binary_expr): Cope with
22694
        vrp_int_const_binop returning non-constant nodes.
22695
 
22696
2006-01-16  Paul Brook  
22697
 
22698
        * config/m68k/m68k.c (output_move_const_into_data_reg):
22699
        Output correct mnemonic for mvz and mvs.
22700
 
22701
2006-01-16  Gabor Loki  
22702
 
22703
        * rtl-factoring.c: Add sequence abstraction algorithm.
22704
        * cfgcleanup.c (outgoing_edges_match): Extra checks.
22705
        (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
22706
        ABNORMAL edges.
22707
        (block_has_preserve_label): New function.
22708
        * common.opt: Register new pass.
22709
        * Makefile.in: Ditto.
22710
        * passes.c: Ditto.
22711
        * timevar.def: Ditto.
22712
        * tree-pass.h: Ditto.
22713
        * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
22714
        * rtl.h (make_jump_insn_raw): Add forward decl.
22715
        * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
22716
 
22717
2006-01-16  Eric Botcazou  
22718
            Roger Sayle  
22719
 
22720
        * fold-const.c (fold_minmax): New static function.
22721
        (fold_binary) : Call it.
22722
        : Likewise.
22723
        * stor-layout.c (place_field): Use DECL_SIZE consistently
22724
        in the computation of the new record size.
22725
 
22726
2006-01-16  Kazu Hirata  
22727
 
22728
        * cse.c (cse_condition_code_reg): Make it static.
22729
        * rtl.h: Remove the prototype for cse_condition_code_reg.
22730
 
22731
        * combine.c (combine_instructions): Make it static.
22732
        * rtl.h: Remove the prototype for combine_instructions.
22733
 
22734
2006-01-15  John David Anglin  
22735
 
22736
        PR target/25168
22737
        * tree.c (get_file_function_name_long): Concatenate the first global
22738
        object name with a string derived from the input filename of the object
22739
        for type "F".
22740
 
22741
2006-01-16  Ben Elliston  
22742
 
22743
        * config/i386/winnt-stubs.c: Update FSF address.
22744
        * config/xtensa/ieee754-df.S: Ditto.
22745
        * config/xtensa/ieee754-sf.S: Ditto.
22746
 
22747
2006-01-14  Ian Lance Taylor  
22748
 
22749
        * ifcvt.c (noce_init_if_info): New static function, broken out of
22750
        noce_process_if_block.
22751
        (noce_process_if_block): Call noce_init_if_info.
22752
        (check_cond_move_block): New static function.
22753
        (cond_move_process_if_block): New static function.
22754
        (process_if_block): Call cond_move_process_if_block.
22755
 
22756
2006-01-15  Kazu Hirata  
22757
 
22758
        * cselib.c (hash_table): Rename to cselib_hash_table.
22759
        (cselib_clear_table, discard_useless_values,
22760
        remove_useless_values, cselib_lookup_mem, cselib_lookup,
22761
        cselib_init, cselib_finish): Adjust uses of hash_table.
22762
 
22763
2006-01-14  Kazu Hirata  
22764
 
22765
        PR tree-optimization/25485
22766
        * tree-vrp.c (extract_range_from_binary_expr): Handle cases
22767
        where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
22768
        is known to be false and true, respectively.
22769
 
22770
2006-01-14  Richard Guenther  
22771
 
22772
        PR tree-optimization/22548
22773
        PR tree-optimization/22555
22774
        PR tree-optimization/22501
22775
        * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
22776
        * params.def (salias-max-array-elements): New parameter.
22777
        * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
22778
        * doc/invoke.texi (salias-max-array-elements): Document.
22779
        * tree-flow-inline.h (var_can_have_subvars): We also handle
22780
        arrays now.
22781
        * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
22782
        COMPONENT_REF.
22783
        * tree-ssa-structalias.c (params.h): Include.
22784
        (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
22785
        (find_func_aliases): Handle multiple constraints from ARRAY_REF.
22786
        (get_constraint_for): For ADDR_EXPR operating on something
22787
        containing an ARRAY_REF, add all subvars to the solution.
22788
        (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
22789
        * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
22790
        for creating MUST_DEFs.
22791
        (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
22792
 
22793
2006-01-14  Zdenek Dvorak 
22794
 
22795
        * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
22796
        functions.
22797
        (number_of_iterations_ne, number_of_iterations_lt_to_ne,
22798
        assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
22799
        number_of_iterations_le): New functions.
22800
        (number_of_iterations_special): Removed.
22801
        (number_of_iterations_exit): Do not use number_of_iterations_special.
22802
        * tree.c (unsigned_type_for): Always return integer type.
22803
 
22804
2006-01-14  Steven Bosscher  
22805
        Richard Guenther  
22806
 
22807
        PR rtl-optimization/24257
22808
        * gcse.c (find_moveable_store): Only consider a store movable
22809
        when the SET_SRC of the insn can be assigned to a register.
22810
 
22811
2006-01-14  Ian Lance Taylor  
22812
 
22813
        * tree.c (tree_not_class_check_failed): New function.
22814
        * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
22815
        (tree_not_class_check_failed): Declare.
22816
 
22817
2006-01-13  Ian Lance Taylor  
22818
 
22819
        * reload1.c (do_output_reload): Add assertion rejecting a
22820
        CALL_INSN.
22821
 
22822
2006-01-13  Adam Nemet  
22823
 
22824
        * combine.c (struct reg_stat): Add new fields truncation_label and
22825
        truncated_to_mode.
22826
        (record_value_for_reg): Reset truncated_to_mode.
22827
        (record_truncated_value): New function.
22828
        (check_promoted_subreg): Call it.  Rename to check_conversions.
22829
        (combine_instructions): Rename check_promoted_subreg to
22830
        check_conversions.
22831
        (reg_truncated_to_mode): New function.
22832
        (make_extraction): Use it.  Check TRULY_NOOP_TRUNCATION.
22833
        (gen_lowpart_or_truncate): New function.
22834
        (force_to_mode): Use it instead of gen_lowpart.
22835
 
22836
2006-01-13  Diego Novillo  
22837
 
22838
        * tree-ssa-alias.c (add_type_alias): Fix typo.  Test whether
22839
        VAR is a tag, not its type tag.
22840
 
22841
2006-01-13  Alexandre Oliva  
22842
 
22843
        * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
22844
        alternatives to match style of other entries.
22845
        (*vec_extractv2di_1_sse): Likewise.  Fix mode attr.
22846
 
22847
2006-01-13  Daniel Berlin  
22848
 
22849
        PR tree-optimization/25771
22850
        * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
22851
        SSA_NAMES.
22852
 
22853
2006-01-13  Andrew Pinski  
22854
 
22855
        PR tree-opt/24365
22856
        * tree-inline.c (declare_return_variable): If the return variable
22857
        was marked as a non gimple complex, set the return slot variable
22858
        to be a non gimple comple variable.
22859
 
22860
2006-01-13  Richard Guenther  
22861
 
22862
        * builtins.c (expand_builtin_sincos): New function.
22863
        (expand_builtin_mathfn_3): Remove dead code, sin and cos
22864
        do not set errno.
22865
        (expand_builtin): Expand sincos using expand_builtin_sincos.
22866
 
22867
2006-01-12  DJ Delorie  
22868
 
22869
        * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
22870
        shift counts, separate SI shifts for m32c vs m16c, pass shift type
22871
        so that constant shifts can be split.
22872
        * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
22873
        (m32c_valid_pointer_mode): Make static.
22874
        (shift_gen_func_for): New.
22875
        (m32c_prepare_shift): Use it.  Split large const shifts into
22876
        multiple shifts.
22877
        * config/m32c/predicates.md (shiftcount_operand): Allow more
22878
        general operands.
22879
        (longshiftcount_operand): New.
22880
        * doc/md.texi (Machine Constraints): Document In6.
22881
 
22882
2006-01-13  Ben Elliston  
22883
 
22884
        * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
22885
        REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
22886
        documentation.
22887
 
22888
2006-01-12  Daniel Berlin  
22889
 
22890
        * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
22891
        to try to avoid clobbering pieces of structures when we know
22892
        something about the whole structure.
22893
        * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
22894
 
22895
2006-01-13  Ben Elliston  
22896
 
22897
        * doc/rtl.texi (Insns): Remove statement that libcalls cannot
22898
        return in memory, as this is no limitation is no longer present.
22899
 
22900
2006-01-12  DJ Delorie  
22901
 
22902
        * config/m32c/addsub.md (addhi3): Add two more alternatives, for
22903
        mova with fb, and for fb+0 -> An.
22904
 
22905
        * config/m32c/mov.md (peephole2): Fix enabling logic.
22906
 
22907
        * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
22908
        DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
22909
        DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
22910
        FINI_ARRAY_SECTION_ASM_OP): Define.
22911
 
22912
        * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
22913
        variable.
22914
        (m32c_legitimize_reload_address): New logic to reload FB to An.
22915
        (m32c_output_reg_push): Add newline.
22916
        (m32c_output_reg_pop): Likewise.
22917
 
22918
2006-01-12  Ulrich Weigand  
22919
 
22920
        * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
22921
 
22922
2006-01-11  Andrew Pinski  
22923
 
22924
        * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
22925
 
22926
2006-01-11  Kazu Hirata  
22927
 
22928
        * config/sh/predicates.md (sh_rep_vec): Add parallel to
22929
        match_code.
22930
 
22931
2006-01-11  Ben Elliston  
22932
 
22933
        * rtlanal.c (find_reg_note): Assert insn is not null.
22934
 
22935
2006-01-11  Kenneth Zadeck 
22936
 
22937
        * df-scan.c (df_hard_reg_init): Move declaration of i outside
22938
        ifdef.
22939
 
22940
2006-01-11  Jeff Law  
22941
 
22942
        * tree-ssa-threadupdate.c (threaded_edges): New VEC to
22943
        hold edge pairs.
22944
        (mark_threaded_blocks, register_jump_thread): New functions.
22945
        (thread_through_all_blocks): Remove unwanted argument.  No
22946
        longer rely on e->aux to communicate thread target info.
22947
        Call mark_threaded_blocks.  Release the threaded_blocks
22948
        bitmap and threaded_edges vector when complete.
22949
        * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
22950
        (threaded_blocks): Remove.
22951
        (tree_ssa_dominator_optimize): Remove initialization and
22952
        finalization of threaded_blocks.  Simplify call to
22953
        thread_through_all_blocks.
22954
        (thread_across_edge): Call register_jump_thread rather than
22955
        storing thread information into e->aux.
22956
        (free_all_edge_infos): Simplify now that e->aux is no longer
22957
        used to communicate with thread_through_all_blocks.
22958
        * tree-flow.h (thread_through_all_blocks): Update prototype.
22959
        (register_jump_thread): Prototype.
22960
 
22961
2006-01-11  Kazu Hirata  
22962
 
22963
        * df-core.c (df_compact_blocks, df_bb_replace): Use
22964
        SET_BASIC_BLOCK instead of BASIC_BLOCK.
22965
 
22966
2006-01-11  Richard Guenther  
22967
 
22968
        PR tree-optimization/25734
22969
        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
22970
        stop propagation after successful propagation to the LHS.
22971
 
22972
2006-01-11  Kazu Hirata  
22973
 
22974
        * basic-block.h (control_flow_graph): Change the type of
22975
        x_basic_block_info to VEC(basic_block,gc) *.
22976
        (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
22977
        basic_block_info.
22978
        (SET_BASIC_BLOCK): New.
22979
        * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
22980
        instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
22981
        * cfgbuild.c (find_basic_blocks): Likewise.
22982
        * cfglayout.c (fixup_reorder_chain): Likewise.
22983
        * cfgrtl.c (create_basic_block_structure,
22984
        rtl_create_basic_block): Likewise.
22985
        * ifcvt.c (find_if_case_1): Likewise.
22986
        * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
22987
        Likewise.
22988
 
22989
2006-01-11  Kenneth Zadeck 
22990
 
22991
        * Makefile.in: Removed rotted odf.c entry.
22992
 
22993
2006-01-11  Hans-Peter Nilsson  
22994
 
22995
        PR target/25706
22996
        * config/cris/cris.md ("*extopqihi_side", "*extopsi_side")
22997
        ("*extopsi_swap_side_biap", "*extopsi_swap_side",
22998
        ("*extopqihi", "*extopsi", "*extopsi_swap"): Use %E
22999
        output pattern modifier, not %e.
23000
        * config/cris/cris.c (cris_op_str): Update comment about pattern
23001
        modifier.
23002
        (cris_print_operand) : Clear cris_output_insn_is_bound
23003
        before falling through into...
23004
        : Redefined from old 'e' case.
23005
 
23006
2006-01-11  Jan Hubicka  
23007
 
23008
        PR target/25042
23009
        * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
23010
 
23011
2006-01-11  Jan Hubicka  
23012
 
23013
        * i386.h (TARGET_DECOMPOSE_LEA): Kill.
23014
        * i386.c (x86_decompose_lea): Kill.
23015
        (ix86_rtx_costs): Kill.
23016
 
23017
2006-01-11  Jan Hubicka  
23018
 
23019
        * cgraph.c (cgraph_insert_node_to_hashtable): New function.
23020
        * cgraph.h (cgraph_node): Add inline_decl.
23021
        (cgraph_insert_node_to_hashtable): Declare.
23022
        (save_inline_function_body): Declare.
23023
        * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
23024
        clones.
23025
        (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
23026
        (cgraph_function_versioning): Update call of tree_function_versioning.
23027
        (save_inline_function_body): New function.
23028
        * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
23029
        saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
23030
        * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
23031
        (cgraph_default_inline_p): Likewise.
23032
        (cgraph_decide_inlining_incrementally): Likewise.
23033
        * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
23034
        (copy_bb): Kill saving; do updating of clones.
23035
        (copy_cfg_body): Kill saving.
23036
        (initialize_inlined-parameters): Likewise.
23037
        (expand_call_inline): Likewise.
23038
        (save_body): Kill.
23039
        (tree_function_versioning): New parameter "update_clones".
23040
        (inlining_p): Kill saving.
23041
        * tree-inline.h (tree_function_versioning): Update prototype.
23042
        * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
23043
        saving.
23044
 
23045
2006-01-11  Ian Lance Taylor 
23046
 
23047
        * combine.c (struct undo): Remove is_int.  Enumify types of undos.
23048
        Allow undoing set of machine mode.
23049
        (do_SUBST): Use enums instead of is_int.
23050
        (do_SUBST_MODE): New function.
23051
        (SUBST_MODE): New macro.
23052
        (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
23053
        reg and trying to replace reg_regno_rtx with a new register.
23054
        (undo_all): Use new enums, handle undoing a PUT_MODE change.
23055
        (simplify_set): Use SUBST_MODE.
23056
        (distribute_notes): Remove code that tried to update reg notes
23057
        for regno_reg_rtx changes.
23058
 
23059
2006-01-11  Paolo Bonzini  
23060
 
23061
        PR tree-optimization/23109
23062
        PR tree-optimization/23948
23063
        PR tree-optimization/24123
23064
 
23065
        * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
23066
        * tree-cfg.c (single_noncomplex_succ): New.
23067
        * tree-flow.h (single_noncomplex_succ): Declare it.
23068
        * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
23069
        * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
23070
        (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
23071
        insert_bb, register_division_in, insert_reciprocals,
23072
        replace_reciprocal, free_bb): New.
23073
        (execute_cse_reciprocals_1): Rewritten.
23074
        (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
23075
        Do not commit any edge insertion.  Always compute dominators and
23076
        create the allocation pool.
23077
        * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
23078
        * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
23079
        * targhooks.c (default_min_divistions_for_recip_mul): New.
23080
        * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
23081
        * passes.c (init_optimization_passes): Run recip after tree loop
23082
        optimizations.
23083
        * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
23084
 
23085
2006-01-11  Danny Berlin 
23086
            Kenneth Zadeck 
23087
 
23088
        * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
23089
        DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
23090
        DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
23091
        DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
23092
        DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
23093
        DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
23094
        DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
23095
        DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
23096
        DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
23097
        DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
23098
        DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
23099
        DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
23100
        DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
23101
        DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
23102
        DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
23103
        DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
23104
        DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
23105
        DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
23106
        DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
23107
        DF_SCAN_POST_ALLOC): New macros.
23108
        (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
23109
        df_free_bb_function, df_local_compute_function, df_init_function,
23110
        df_dataflow_function, df_confluence_function_0,
23111
        df_confluence_function_n, df_transfer_function,
23112
        df_finalizer_function, df_free_function, df_dump_problem_function,
23113
        df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
23114
        df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
23115
        df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
23116
        df_urec_bb_info, ) New types.
23117
        (df_invalidated_by_call, df_all_hard_regs, df_state) New public
23118
        variables.
23119
        (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
23120
        df_analyze_simple_change_some_blocks,
23121
        df_analyze_simple_change_one_block, df_compact_blocks,
23122
        df_bb_replace, df_bb_regno_last_use_find,
23123
        df_bb_regno_first_def_find, df_bb_regno_last_def_find,
23124
        df_insn_regno_def_p, df_find_def, df_find_use,
23125
        df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
23126
        df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
23127
        df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
23128
        debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
23129
        debug_df_chain, df_get_dependent_problem, df_chain_create,
23130
        df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
23131
        df_grow_bb_info, df_chain_dump, df_print_bb_index,
23132
        df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
23133
        df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
23134
        df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
23135
        df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
23136
        df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
23137
        df_rescan_blocks, df_ref_create, df_get_artificial_defs,
23138
        df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
23139
        df_ref_remove, df_insn_refs_delete, df_refs_delete,
23140
        df_reorganize_refs, df_set_state, df_hard_reg_init,
23141
        df_read_modify_subreg_p) New public functions.
23142
        * df-core.c: The core dataflow solver and glue routines for rtl
23143
        dataflow.
23144
        (df_init, df_add_problem, df_set_blocks, df_finish,
23145
        df_hybrid_search_forward, df_hybrid_search_backward,
23146
        df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
23147
        df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
23148
        df_bb_regno_last_use_find, df_bb_regno_first_def_find,
23149
        df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
23150
        df_reg_defined, df_find_use, df_reg_used, df_dump,
23151
        df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
23152
        df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
23153
        debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
23154
        debug_df_useno, reset_df_after_reload): New functions.
23155
        * df-scan.c: The scanning fuctions, once in df.c, completely
23156
        rewritten so that they now fully model the functionality of
23157
        register usage at the backend.
23158
        (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
23159
        df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
23160
        df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
23161
        df_grow_insn_info, df_rescan_blocks, df_ref_create,
23162
        df_get_artificial_defs, df_get_artificial_uses,
23163
        df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
23164
        df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
23165
        df_refs_delete, df_reorganize_refs, df_set_state,
23166
        df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
23167
        df_def_record_1, df_defs_record, df_uses_record,
23168
        df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
23169
        df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
23170
        df_record_exit_block_uses, df_hard_reg_init): New functions.
23171
 
23172
        * df-problems.c: Seven concrete dataflow problems that use the
23173
        scanning in df-scan.c and are solved by the engine in df-core.c.
23174
        (df_get_dependent_problem, df_chain_create, df_chain_unlink,
23175
        df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
23176
        df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
23177
        df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
23178
        df_ru_free_bb_info, df_ru_alloc,
23179
        df_ru_bb_local_compute_process_def,
23180
        df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
23181
        df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
23182
        df_ru_transfer_function, df_ru_free, df_ru_dump,
23183
        df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
23184
        df_rd_free_bb_info, df_rd_alloc,
23185
        df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
23186
        df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
23187
        df_rd_transfer_function, df_rd_free, df_rd_dump,
23188
        df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
23189
        df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
23190
        df_lr_local_compute, df_lr_init, df_lr_confluence_0,
23191
        df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
23192
        df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
23193
        df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
23194
        df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
23195
        df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
23196
        df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
23197
        df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
23198
        df_urec_mark_reg_change, df_urec_check_earlyclobber,
23199
        df_urec_mark_reg_use_for_earlyclobber,
23200
        df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
23201
        df_urec_local_compute, df_urec_init, df_urec_local_finalize,
23202
        df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
23203
        df_urec_dump, df_urec_add_problem, df_chain_alloc,
23204
        df_chain_create_bb_process_use, df_chain_create_bb,
23205
        df_chain_finalize, df_chain_free, df_chains_dump,
23206
        df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
23207
        df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
23208
        df_reg_lifetime): New functions.
23209
        * df.c: Deleted file.
23210
        * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
23211
        consistent with new df api.
23212
        * modulo-sched.c (sms_schedule, rest_of_handle_sms,
23213
        rest_of_handle_sms): Ditto.
23214
        * web.c (unionfind_union, union_defs, entry_register, web_main):
23215
        Ditto.
23216
        * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
23217
        invariant_expr_equal_p, find_defs, check_dependencies,
23218
        find_invariant_insn, find_invariants_to_move, move_invariant_reg,
23219
        free_inv_motion_data, move_loop_invariants): Ditto.
23220
        * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
23221
        Update dependencies.
23222
        (odf.c): Added defective entry that was deleted later in day.
23223
        * sched-deps.c (sched_analyze_1): Ditto.
23224
 
23225
2006-01-11  Zdenek Dvorak 
23226
 
23227
        * tree-ssa-operands.c (get_expr_operands): Record addressable
23228
        variables directly.  Do not call add_stmt_operands for CONST_DECLs
23229
        and ARRAY_DECLs.
23230
        (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
23231
        (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
23232
 
23233
2006-01-11  Ben Elliston  
23234
 
23235
        * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
23236
        function returns true in the positive case.
23237
 
23238
2006-01-10  John David Anglin  
23239
 
23240
        PR target/20754
23241
        * config/pa/pa.md: Create separate 32 and 64-bit move patterns
23242
        for SI, DI, SF and DF modes.  Add alternatives to copy between
23243
        general and floating point registers to the 32-bit patterns.
23244
        * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
23245
        * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
23246
        (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
23247
        generating 64-bit code.
23248
        * config/pa/pa.c (output_move_double): Handle copies between general
23249
        and floating registers.
23250
 
23251
2006-01-10  Stuart Hastings  
23252
 
23253
        * config/i386/i386.md (set_got): Update.
23254
        (set_got_labelled): New.  (UNSPEC_LD_MPIC): New.
23255
        (builtin_setjmp_receiver): Mach-O support.
23256
        * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
23257
        (GOT_SYMBOL_NAME): Define.
23258
        (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
23259
        (TARGET_DEEP_BRANCH_PREDICTION): Remove.
23260
        * config/i386/i386.c (override_options): Revise for Darwin.
23261
        (USE_HIDDEN_LINKONCE): Enable for Mach-O.  (ix86_file_end): Mach-O
23262
        support.  (darwin_x86_file_end): New.  (output_set_got): Add label
23263
        parameter, revise for Mach-O.  (x86_output_mi_thunk): Likewise.
23264
        * config/i386/i386-protos.h (output_set_got): Likewise.
23265
        * config/darwin.c (machopic_legitimize_pic_address): Update
23266
        regs_ever_live[].
23267
 
23268
2006-01-10  Kaz Kojima  
23269
 
23270
        * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
23271
        when MODE isn't BLKmode.
23272
 
23273
2006-01-10  Eric Botcazou  
23274
 
23275
        PR rtl-optimization/25367
23276
        * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
23277
 
23278
2006-01-10  Hans-Peter Nilsson  
23279
 
23280
        PR target/25718
23281
        * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
23282
        for a negative bound.
23283
 
23284
2006-01-10  Richard Guenther  
23285
 
23286
        * tree-ssa-structalias.c (get_constraint_for_component_ref):
23287
        Never override with anything constraint.
23288
 
23289
2006-01-10  Jan Beulich  
23290
 
23291
        * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
23292
        256 bits when optimize_size.
23293
 
23294
2006-01-10  Jan Beulich  
23295
 
23296
        * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
23297
        MASK_ALIGN_DOUBLE.
23298
        * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
23299
        * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
23300
        arguments.
23301
 
23302
2006-01-10  Ben Elliston  
23303
 
23304
        * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
23305
        float modes.
23306
        * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
23307
        (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
23308
        (USE_FP_FOR_ARG): Reject decimal float modes.
23309
        (function_arg_advance): Likewise.
23310
        (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
23311
        (rs6000_handle_altivec_attribute): Do not permit decimal floating
23312
        point types in AltiVec vectors.
23313
        (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
23314
        (rs6000_libcall_value): Likewise.
23315
 
23316
2006-01-09  Bob Wilson  
23317
 
23318
        * config/xtensa/ieee754-df.S: New file.
23319
        * config/xtensa/ieee754-sf.S: New file.
23320
        * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
23321
        (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
23322
        * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
23323
 
23324
2006-01-09  Kazu Hirata  
23325
 
23326
        * config/sh/predicates.md (binary_float_operator,
23327
        binary_logical_operator, commutative_float_operator,
23328
        equality_comparison_operator, greater_comparison_operator,
23329
        less_comparison_operator, logical_operator,
23330
        noncommutative_float_operator, shift_operator,
23331
        symbol_ref_operand, unary_float_operator): Remove redundant
23332
        conditionals.
23333
 
23334
2006-01-09  Jeff Law  
23335
 
23336
        * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
23337
        code to propagate the RHS of a cast into COND_EXPR_COND.  Remove
23338
        now unused arguments.  Callers updated.
23339
        (eliminate_redundant_computations): Remove now unused arguments,
23340
        callers updated.
23341
        (local_fold): Remove, no longer used.
23342
        (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
23343
        and moved to...
23344
        * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
23345
        (simplify_cond): New function.
23346
        (forward_propagate_into_cond): Call simplify_cond.
23347
 
23348
2006-01-09  Alexandre Oliva  
23349
 
23350
        * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
23351
        (*vec_extractv2di_1_sse): New.
23352
 
23353
2006-01-09  Ben Elliston  
23354
 
23355
        * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
23356
 
23357
2006-01-08  Richard Guenther  
23358
 
23359
        * tree-ssa-structalias.c (get_constraint_for): Remove
23360
        anyoffset argument.
23361
        (get_constraint_for_component_ref): Likewise.
23362
        (do_deref): Likewise.
23363
        (get_constraint_for): Likewise.
23364
        (do_structure_copy): Likewise.
23365
        (handle_ptr_arith): Likewise.
23366
        (find_func_aliases): Likewise.  Remove unused need_anyoffset
23367
        variable.
23368
 
23369
2006-01-08  J"orn Rennecke  
23370
            Kaz Kojima  
23371
 
23372
        * config/sh/sh.h (CONST_OK_FOR_K16): Define.
23373
        (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
23374
        (EXTRA_CONSTRAINT_C16): Remove.
23375
        (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
23376
        (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
23377
        EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
23378
        * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
23379
        constants of SHmedia.  Handle nested constant expressions of
23380
        SHmedia correctly.
23381
        (andcosts): Fix the costs for SHmedia constants.
23382
        (sh_rtx_costs): Take account of outer_code for SHmedia constants.
23383
        * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
23384
        (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
23385
        (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
23386
        (movv4hi_i, movv2si_i): Likewise.
23387
        (movsi_const): Adjust the second operand of ior so to match with
23388
        the Csu constraint.
23389
        (movdi_const, movdi_const_32bit): Likewise.
23390
        (movdi_const_16bit+1): Don't sign-extend LOW.
23391
        (movdi_const_16bit+2): Likewise.  Remove the zero_extend and truncate
23392
        step.
23393
        (*double_shori): Fix the split condition.  Use GEN_INT instead
23394
        of get_int_mode calls.  Mask lower 16-bit of the argument of
23395
        the last GEN_INT.
23396
        (sym2GOTPLT): Remove.
23397
        (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
23398
        gen_rtx_UNSPEC.
23399
        * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
23400
        instead of EXTRA_CONSTRAINT_C16.
23401
 
23402
2006-01-07  Ian Lance Taylor  
23403
            David Edelsohn  
23404
 
23405
        PR rtl-optimization/25662
23406
        * optabs.c (simplify_expand_binop): Use simplify_binary_operation
23407
        for constant operands instead of simplify_gen_binary.
23408
        * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
23409
        after trying simplify_binary_operation
23410
 
23411
2006-01-06  Daniel Berlin  
23412
 
23413
        * tree.c (iterative_hash_expr): Hash decls based on UID.
23414
 
23415
2006-01-06  Eric Christopher  
23416
 
23417
        * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
23418
        (TARGET_UNWIND_EMIT): Fix spelling.
23419
        * target.h (gcc_target): Add except_table_label.
23420
        * except.c (output_function_exception_table): Use.
23421
        * varasm.c (default_emit_except_table_label): New.
23422
        * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
23423
        define.
23424
        (asm_out): Add here.
23425
        * output.h (default_emit_except_table_label): Prototype.
23426
        * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
23427
        * config/darwin.c (darwin_emit_except_table_label): Define.
23428
        * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
23429
 
23430
2006-01-06  Zdenek Dvorak 
23431
 
23432
        PR tree-optimization/18527
23433
        * tree-ssa-loop-niter.c (number_of_iterations_cond,
23434
        number_of_iterations_special, number_of_iterations_exit):
23435
        Move base and step of an iv to a single structure.  Add
23436
        no_overflow flag, and use it in # of iterations analysis.
23437
        * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
23438
        folded_casts argument.
23439
        (simple_iv): Pass base and step in a structure.  Set no_overflow
23440
        flag.
23441
        (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
23442
        Evaluate expensiveness of computing # of iterations instead of
23443
        the final expression.
23444
        * tree-scalar-evolution.h (affine_iv): New structure.
23445
        (simple_iv): Declaration changed.
23446
        * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
23447
        * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
23448
        find_givs_in_stmt): Changed due to simple_iv change.
23449
 
23450
2006-01-06  Jeff Law  
23451
 
23452
        PR ada/24994
23453
        * tree-cfg.c (bsi_replace): Rename final argument from
23454
        PRESERVE_EH_INFO to UPDATE_EH_INFO.  Fix typo in last
23455
        change (stmt -> orig_stmt).
23456
        * tree-eh.c (verify_eh_throw_stmt_node): New function.
23457
        (bsi_remove): Add new argument.  Remove EH information
23458
        if requested.
23459
        (verify_eh_throw_table_statements): New function.
23460
        (bsi_remove): Add new argument REMOVE_EH_INFO.  All callers
23461
        updated.
23462
        * tree-optimize.c (execute_free_cfg_annotations): Verify
23463
        the EH throw statement table after removing annotations.
23464
        * except.h (verify_eh_throw_table_statements): Prototype.
23465
        * tree-flow.h (bsi_remove): Update prototype.
23466
        * tree-vrp.c (remove_range_assertions): Add new argument to
23467
        bsi_remove call.
23468
        * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
23469
        * tree-complex.c (expand_complex_div_wide): Likewise.
23470
        * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
23471
        * tree-tailcall.c (eliminate_tailcall): Likewise.
23472
        * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
23473
        * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
23474
        * tree-nrv.c (tree_nrv): Likewise.
23475
        * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
23476
        * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
23477
        (combine_blocks): Likewise.
23478
        * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
23479
        * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
23480
        (cleanup_control_flow): Likewise.
23481
        (remove_forwarder_block): Likewise.
23482
        * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
23483
        * tree-sra.c (sra_replace): Likewise.
23484
        * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
23485
        (forward_propagate_single_use_vars): Likewise.
23486
        * tree-ssa-dce.c (remove_dead_stmt): Likewise.
23487
        * tree-inline.c (expand_call_inline): Likewise.
23488
        * tree-vect-transform.c (vect_transform_loop): Likewise.
23489
        * tree-outof-ssa.c (rewrite_trees): Likewise.
23490
        * tree-cfg.c (make_goto_expr_edges): Likewise.
23491
        (cleanup_dead_labels): Likewise.
23492
        (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
23493
        (bsi_move_before, bsi_move_after): Likewise.
23494
        (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
23495
        (tree_redirect_edge_and_branch, tree_split_block): Likewise.
23496
 
23497
2006-01-06  Andrew Pinski  
23498
 
23499
        PR tree-opt/25528
23500
        * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
23501
        and IMAGPART_EXPR.
23502
        * tree-flow-inline.h (var_can_have_subvars): Handle complex types
23503
        on non gimple variables.  Also add checks at the top for decls and
23504
        mtags.
23505
        * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
23506
        complex types.
23507
        * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
23508
        and IMAGPART_EXPR for creating MUST_DEFs.
23509
        (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
23510
        and NAME_MEMORY_TAG separately from the DECLs.
23511
 
23512
2006-01-06  Richard Guenther  
23513
 
23514
        * tree-dfa.c (mark_new_vars_to_rename): Create stmt
23515
        annotation, if necessary.
23516
        * tree-ssa-pre.c (create_expression_by_pieces): Remove
23517
        redundant calls to update_stmt.
23518
        * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
23519
        Likewise.
23520
 
23521
2006-01-05  Richard Henderson  
23522
 
23523
        * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
23524
 
23525
2006-01-05  Carlos O'Donell  
23526
 
23527
        * c-typeck.c: Update copyright date.
23528
 
23529
2006-01-05  Carlos O'Donell  
23530
 
23531
        * c-typeck.c (build_c_cast): Always warn when casting
23532
        from a pointer to an integer of different size, even if
23533
        the node was constant.
23534
 
23535
2006-01-05  Richard Guenther  
23536
 
23537
        PR tree-optimization/22555
23538
        * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
23539
        if one structure field is an array.
23540
        * tree-ssa-operands.c (get_expr_operands): Continue scanning
23541
        operands even if we found a subvar, but ignore VOPs in this
23542
        case.
23543
        * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
23544
        for renaming.
23545
        * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
23546
 
23547
2006-01-05  Richard Earnshaw  
23548
 
23549
        PR middle-end/24998
23550
        * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
23551
 
23552
2006-01-05  Richard Guenther  
23553
            Diego Novillo  
23554
 
23555
        * tree-pass.h (TODO_remove_unused_locals): Define.
23556
        * gimple-low.c (expand_var_p, remove_useless_vars,
23557
        pass_remove_useless_vars): Remove.  Update all users.
23558
        * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
23559
        (remove_unused_locals): New function.
23560
        * tree-flow.h (remove_unused_locals): Declare.
23561
        * passes.c (execute_todo): Call remove_unused_locals if
23562
        TODO_remove_unused_locals is set.
23563
        * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
23564
        * tree-ssa-dce.c (pass_dce): Likewise.
23565
        * tree-outof-ssa.c (pass_del_ssa): Likewise.
23566
 
23567
2006-01-05  Richard Guenther  
23568
 
23569
        * tree-flow.h (struct fieldoff): Decompose field to
23570
        type, size and decl.
23571
        * tree-ssa-alias.c (create_sft): Take type as parameter.
23572
        (create_overlap_variables_for): Store type, size and decl
23573
        in the fieldoff structure.
23574
        * tree-ssa-structalias.c (fieldoff_compare): Adjust users
23575
        of struct fieldoff.
23576
        (push_fields_onto_fieldstack): Likewise.
23577
        (create_variable_info_for): Likewise.  Use offset for the
23578
        SFT name if the decl is not available.
23579
 
23580
2006-01-04  Paul Brook  
23581
 
23582
        * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
23583
 
23584
2006-01-04  Daniel Berlin  
23585
 
23586
        * lambda-code.c (can_put_in_inner_loop): Relax
23587
        restrictions.
23588
        (can_put_after_inner_loop): New function.
23589
        (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
23590
        (perfect_nestify): Change to make copies and modify uses.
23591
 
23592
2006-01-04  Richard Henderson  
23593
 
23594
        Merge from gomp branch:
23595
        * c-lex.c (c_lex_with_flags) : Smuggle pragma id
23596
        via integer constant.
23597
        (pragma_lex): Remove.
23598
        * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
23599
        rather than parsing it.
23600
        * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
23601
        handle_pragma_extern_prefix): Add %< %> quotes.
23602
        (registered_pragmas): New.
23603
        (c_register_pragma_1): New.
23604
        (c_register_pragma): Use it.
23605
        (c_register_pragma_with_expansion): Likewise.
23606
        (c_invoke_pragma_handler): New.
23607
        (init_pragma): Use cpp_register_deferred_pragma directly for
23608
        pch_preprocess.
23609
        * c-pragma.h (enum pragma_kind): New.
23610
        (pragma_handler): New.
23611
        (c_invoke_pragma_handler): Declare.
23612
        * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
23613
        CPP_PRAGMA_EOL.
23614
        * c-common.h (c_common_pch_pragma): Update decl.
23615
        * Makefile.in (c-parser.o): Update dependencies.
23616
        (GTFILES): Add c-pragma.h.
23617
        * c-parser.c (struct c_token): Add pragma_kind.
23618
        (struct c_parser): Add in_pragma.
23619
        (c_lex_one_token): Always initialize keyword and pragma_kind.
23620
        Extract data for CPP_PRAGMA.
23621
        (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
23622
        (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
23623
        Don't allow CPP_PRAGMA_EOL if in_pragma.
23624
        (c_parser_consume_pragma): New.
23625
        (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
23626
        (c_parser_skip_to_end_of_parameter): Likewise.
23627
        (c_parser_skip_to_end_of_block_or_statement): Likewise.
23628
        (c_parser_skip_to_pragma_eol): New.
23629
        (c_parser_external_declaration): Handle CPP_PRAGMA.
23630
        (c_parser_compound_statement_nostart): Likewise.
23631
        (c_parser_statement_after_labels): Likewise.
23632
        (c_parser_pragma): New.
23633
        (pragma_lex): Likewise.
23634
        (c_parser_pragma_pch_preprocess): New.
23635
        (c_parser_new): Merge into ...
23636
        (c_parse_file): ... here.  Call c_parser_pragma_pch_preprocess.
23637
 
23638
2006-01-04  Jeff Law  
23639
 
23640
        PR ada/24994
23641
        * tree-cfg.c (bsi_replace): Remove the original statement
23642
        from the EH throw statement table.
23643
 
23644
2006-01-04  Jakub Jelinek  
23645
 
23646
        * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
23647
        make the prototype extern "C" and add throw ().
23648
 
23649
        PR target/25554
23650
        * config/i386/i386.md (testqi_ext_3): Ensure len is positive
23651
        and pos non-negative and pos + len <= 32.
23652
        (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
23653
        drop pos + len < HOST_BITS_PER_WIDE_INT test.
23654
        (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
23655
 
23656
        PR c/25559
23657
        * c-common.c (handle_vector_size_attribute): Reject zero vector size
23658
        as well as sizes not multiple of component size.
23659
 
23660
        PR debug/25562
23661
        * function.c (instantiate_expr): New function.
23662
        (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
23663
        walk its DECL_VALUE_EXPR with instantiate_expr.
23664
 
23665
        * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
23666
        DW_OP_deref{,_size} if address isn't going to be added.
23667
 
23668
2006-01-04  Ben Elliston  
23669
 
23670
        * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
23671
        * config/fp-bit.c: Likewise.
23672
 
23673
2006-01-03  Daniel Berlin  
23674
 
23675
        * dominance.c: Add comment about why we use DFS numbering
23676
        of dominance tree.
23677
 
23678
2006-01-03  Jakub Jelinek  
23679
            Richard Henderson  
23680
 
23681
        Merge from gomp-branch:
23682
        * varasm.c (assemble_variable): Handle thread-local COMMON data.
23683
        * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
23684
 
23685
2006-01-03  Paolo Bonzini  
23686
 
23687
        PR rtl-optimization/25578
23688
        * combine.c (combine_simplify_rtx, force_to_mode): Don't
23689
        pass a parameter to simplify_shift_const if changing ASHIFTRT
23690
        to LSHIFTRT.
23691
 
23692
2006-01-03  Adrian Straetling  
23693
 
23694
        * builtins.c (get_builtin_sync_mem): New function.
23695
        (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
23696
        expand_builtin_lock_test_and_set, expand_builtin_lock_release):
23697
        Call get_builtin_sync_mem to generate mem rtx.
23698
 
23699
2006-01-03  Richard Guenther  
23700
 
23701
        PR c/25183
23702
        * stmt.c (add_case_node): Make sure to clear overflow flags
23703
        from ranges.
23704
 
23705
2006-01-03  Jakub Jelinek  
23706
 
23707
        Merge from gomp-branch.
23708
        * config/sparc/sync.md: New file.
23709
        * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
23710
        UNSPECV_LDSTUB): New constants.
23711
        * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
23712
        * config/sparc/predicates.md (memory_reg_operand): New predicate.
23713
        * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
23714
        prototype.
23715
 
23716
2006-01-03  Roger Sayle  
23717
 
23718
        * combine.c (reg_subword_p): New predicate to test whether the
23719
        destination of a set refers to a subword/piece of a register.
23720
        (try_combine): Generalize the code to merge the setting of a
23721
        pseudo to a constant followed by a set of a subword of that
23722
        register to a constant.
23723
 
23724
2006-01-03  Kazu Hirata  
23725
 
23726
        * basic-block.h (control_flow_graph): Change the type of
23727
        x_label_to_block_map to VEC(basic_block,gc) *.
23728
        * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
23729
        set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
23730
 
23731
        * tree-ssa-propagate.c (cfg_blocks): Change the type to
23732
        VEC(basic_block,heap) *.
23733
        (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
23734
        ssa_prop_fini): Adjust the uses of cfg_blocks.
23735
 
23736
2006-01-03  Steven Bosscher  
23737
 
23738
        * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
23739
        COMPONENT_REFs.
23740
        * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
23741
        hashing trees instead of a pointer hash.
23742
        (mem_attrs_htab_eq): Do a deep compare instead of a pointer
23743
        compare for MEM_EXPR.
23744
 
23745
        PR rtl-optimization/25130
23746
        * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
23747
        when comparing MEMs for GCSE
23748
 
23749
2006-01-03  Ben Elliston  
23750
 
23751
        * targhooks.h (default_decimal_float_supported_p): Declare.
23752
        * targhooks.c (default_decimal_float_supported_p): Define.
23753
        * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
23754
        `default_decimal_float_supported_p'.
23755
        * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
23756
 
23757
2006-01-02  Adam Nemet  
23758
 
23759
        * combine.c (apply_distributive_law ): Check
23760
        TRULY_NOOP_TRUNCATION.
23761
 
23762
2006-01-02  Geoffrey Keating  
23763
 
23764
        * dwarf2out.c (have_switched_text_section): Delete.
23765
        (have_multiple_function_sections): New.
23766
        (have_location_lists): Make 'bool'.
23767
        (add_AT_loc_list): Use 'true' not '1'.
23768
        (dwarf2out_switch_text_section): Set have_multiple_function_sections.
23769
        (output_loc_list): Use have_multiple_function_sections.
23770
        (output_ranges): Likewise.
23771
        (dwarf2out_begin_function): Set have_multiple_function_sections if
23772
        necessary.
23773
        (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
23774
        Check function_section rather than DECL_SECTION_NAME.
23775
        (dwarf2out_finish): Use have_multiple_function_sections.
23776
        Don't clear have_location_lists.
23777
 
23778
2006-01-02  Eric Botcazou  
23779
            Jan Hubicka  
23780
 
23781
        * cfglayout.c (fixup_reorder_chain): Remove kludge for the
23782
        case of conditional jump jumping to the next instruction.
23783
        * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
23784
        cases of conditional jump jumping to the next instruction.
23785
 
23786
2006-01-02  Jan Hubicka  
23787
 
23788
        * i386.c (*_cost): Add COSTS_N_INSNS.
23789
        (ix86_rtx_costs): Do not use COSTS_N_INSNS.
23790
 
23791
2006-01-02  Paolo Bonzini  
23792
 
23793
        PR target/25259
23794
        * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
23795
 
23796
2006-01-02  Volker Reichelt  
23797
 
23798
        * config/arm/arm.c (all_fpus): Fix comment typo.
23799
        * config/darwin.c: Likewise.
23800
        * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
23801
        * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
23802
        * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
23803
 
23804
2006-01-01  David Edelsohn  
23805
 
23806
        * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
23807
        (rs6000_split_compare_and_swapqhi): New.
23808
        * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
23809
        (sync_compare_and_swapqhi_internal): New.
23810
        * config/rs6000/rs6000-protos.h: Declare.
23811
 
23812
 
23813
Copyright (C) 2006 Free Software Foundation, Inc.
23814
 
23815
Copying and distribution of this file, with or without modification,
23816
are permitted in any medium without royalty provided the copyright
23817
notice and this notice are preserved.

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