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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [ChangeLog.graphite] - Blame information for rev 280

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Line No. Rev Author Line
1 280 jeremybenn
2010-03-30  Richard Guenther  
2
            Zdenek Dvorak  
3
            Sebastian Pop  
4
 
5
        PR middle-end/43464
6
        * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
7
        with multiple arguments.
8
        (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
9
 
10
2010-03-23  Sebastian Pop  
11
 
12
        * graphite-dependences.c (print_pddr): Call print_pdr with an
13
        extra argument.
14
        * graphite-poly.c (debug_pdr): Add an extra argument for the
15
        verbosity level.
16
        (print_pdr): Same.
17
        (print_pbb_domain): Same.
18
        (print_pbb): Same.
19
        (print_scop_context): Same.
20
        (print_scop): Same.
21
        (print_cloog): Same.
22
        (debug_pbb_domain): Same.
23
        (debug_pbb): Same.
24
        (print_pdrs): Same.
25
        (debug_pdrs): Same.
26
        (debug_scop_context): Same.
27
        (debug_scop): Same.
28
        (debug_cloog): Same.
29
        (print_scop_params): Same.
30
        (debug_scop_params): Same.
31
        (print_iteration_domain): Same.
32
        (print_iteration_domains): Same.
33
        (debug_iteration_domain): Same.
34
        (debug_iteration_domains): Same.
35
        (print_scattering_function): Same.
36
        (print_scattering_functions): Same.
37
        (debug_scattering_function): Same.
38
        (debug_scattering_functions): Same.
39
        * graphite-poly.h (debug_pdr): Update declaration.
40
        (print_pdr): Same.
41
        (print_pbb_domain): Same.
42
        (print_pbb): Same.
43
        (print_scop_context): Same.
44
        (print_scop): Same.
45
        (print_cloog): Same.
46
        (debug_pbb_domain): Same.
47
        (debug_pbb): Same.
48
        (print_pdrs): Same.
49
        (debug_pdrs): Same.
50
        (debug_scop_context): Same.
51
        (debug_scop): Same.
52
        (debug_cloog): Same.
53
        (print_scop_params): Same.
54
        (debug_scop_params): Same.
55
        (print_iteration_domain): Same.
56
        (print_iteration_domains): Same.
57
        (debug_iteration_domain): Same.
58
        (debug_iteration_domains): Same.
59
        (print_scattering_function): Same.
60
        (print_scattering_functions): Same.
61
        (debug_scattering_function): Same.
62
        (debug_scattering_functions): Same.
63
 
64
2010-03-23  Sebastian Pop  
65
 
66
        * graphite-poly.c (print_scattering_function_1): New.
67
        (print_scattering_function): Call it.
68
        (print_scop_params): Remove spaces at the end of lines.
69
        (print_cloog): New.
70
        (debug_cloog): New.
71
        * graphite-poly.h (print_cloog): Declared.
72
        (debug_cloog): Declared.
73
 
74
2010-03-23  Sebastian Pop  
75
 
76
        * tree-ssa-copy.c: Revert this previous change:
77
        (init_copy_prop): Loop closed phi nodes cancontain more than one
78
        argument.
79
        (execute_copy_prop): Revert the previous change: do not call
80
        rewrite_into_loop_closed_ssa.
81
 
82
2010-03-21  Sebastian Pop  
83
            Richard Guenther  
84
 
85
        PR middle-end/43464
86
        * tree-ssa-copy.c (init_copy_prop): Loop closed phi nodes can
87
        contain more than one argument.
88
        (execute_copy_prop): Revert the previous change: do not call
89
        rewrite_into_loop_closed_ssa.
90
 
91
        * gcc.dg/graphite/id-pr43464.c: Remove compile warning.
92
        * gcc.dg/graphite/id-pr43464-1.c: New.
93
 
94
2010-03-21  Sebastian Pop  
95
 
96
        PR middle-end/43464
97
        * tree-ssa-copy.c (execute_copy_prop): Call rewrite_into_loop_closed_ssa
98
        and verify_loop_closed_ssa when copy prop is executed in the LNO.
99
 
100
        * gcc.dg/graphite/id-pr43464.c: New.
101
 
102
2010-03-16  Sebastian Pop  
103
 
104
        * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
105
        in loop->header.
106
        * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
107
        * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
108
        * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
109
        to switch between adding the IV bump in loop->latch or in loop->header.
110
 
111
2010-03-16  Sebastian Pop  
112
 
113
        * passes.c (init_optimization_passes): Add pass_copy_prop
114
        after Graphite.
115
 
116
2010-03-16  Sebastian Pop  
117
 
118
        * graphite-poly.c (print_scattering_function): Pretty print following
119
        the scoplib format.
120
        (print_pdr): Same.
121
        (print_pbb_domain): Same.
122
        (dump_gbb_cases): Same.
123
        (dump_gbb_conditions): Same.
124
        (print_pdrs): Same.
125
        (print_pbb): Same.
126
        (print_scop_params): Same.
127
        (print_scop_context): Same.
128
        (print_scop): Same.
129
        (print_pbb_body): New.
130
        (lst_indent_to): New.
131
        (print_lst): Start new lines with a #.
132
        * graphite-poly.h (pbb_bb): New.
133
        (pbb_index): Use pbb_bb.
134
        * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
135
        disjuncts.
136
        * tree-data-ref.c (dump_data_reference): Start new lines with a #.
137
 
138
2010-03-13  Sebastian Pop  
139
 
140
        PR middle-end/43351
141
        * gcc.dg/graphite/id-pr43351.c
142
 
143
2010-03-13  Sebastian Pop  
144
 
145
        PR middle-end/43354
146
        * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
147
        call insert_out_of_ssa_copy for default definitions.
148
        * gfortran.dg/graphite/id-pr43354.f: New.
149
 
150
2010-03-13  Sebastian Pop  
151
 
152
        PR middle-end/43349
153
        * gfortran.dg/graphite/pr43349.f: New.
154
 
155
2010-03-11  Sebastian Pop  
156
 
157
        * graphite-clast-to-gimple.c (my_long_long): Defined.
158
        (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
159
        * graphite-sese-to-poly.c (my_long_long): Defined.
160
        (scop_ivs_can_be_represented): Use it.
161
 
162
2010-03-10  Sebastian Pop  
163
 
164
        * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
165
        graphite-max-bbs-per-function, and loop-block-tile-size.
166
        * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
167
        with "maximum".
168
        (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
169
 
170
2010-03-10  Sebastian Pop  
171
 
172
        * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
173
        forward declaration.
174
        * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
175
        (add_upper_bounds_from_estimated_nit): New.
176
        (build_loop_iteration_domains): Use it.
177
 
178
2010-03-09  Sebastian Pop  
179
 
180
        * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
181
 
182
2010-03-09  Sebastian Pop  
183
 
184
        PR middle-end/43306
185
        * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
186
        should be an INTEGER_CST.  Also handle CASE_CONVERT.
187
        * gcc.dg/graphite/pr43306.c: New.
188
 
189
2010-03-09  Sebastian Pop  
190
 
191
        * graphite.c (graphite_initialize): To bound the number of bbs per
192
        function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
193
        * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
194
        * doc/invoke.texi: Document it.
195
 
196
2010-03-09  Sebastian Pop  
197
 
198
        * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
199
        * graphite-sese-to-poly.h (build_poly_scop): Same.
200
 
201
2010-03-09  Sebastian Pop  
202
 
203
        * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
204
        the number of parameters in the scop.  Use as an upper bound
205
        PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
206
        * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
207
        * doc/invoke.texi: Document it.
208
 
209
2010-03-05  Sebastian Pop  
210
 
211
        * graphite-sese-to-poly.c (add_param_constraints): Use
212
        lower_bound_in_type and upper_bound_in_type.
213
 
214
2010-03-05  Sebastian Pop  
215
 
216
        * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
217
        instead of unsigned_type_node.
218
 
219
2010-03-05  Sebastian Pop  
220
            Reza Yazdani  
221
 
222
        PR middle-end/43065
223
        * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
224
        on pointer type parameters.
225
 
226
        * gcc.dg/graphite/run-id-4.c: New.
227
 
228
2010-03-05  Sebastian Pop  
229
 
230
        PR middle-end/43065
231
        * gcc.dg/graphite/run-id-3.c: New.
232
 
233
2010-03-05  Tobias Grosser  
234
            Ramakrishna Upadrasta 
235
 
236
        * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
237
        handle conversions from pointer to integers.
238
        (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
239
        induction variable, to be able to work with code generated by CLooG.
240
        * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
241
        (build_poly_scop): Bail out if we cannot codegen a loop.
242
 
243
2010-03-04  Tobias Grosser  
244
 
245
        * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
246
        code generation with gloog_error.
247
 
248
2010-03-04  Sebastian Pop  
249
 
250
        * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
251
        Call fold_convert on all the returned values.
252
        (expand_scalar_variables_expr): Pass to expand_scalar_variables_ssa_name
253
        the type of the resulting expression.
254
 
255
2010-03-04  Sebastian Pop  
256
 
257
        * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
258
        ppl_min_for_le_pointset.  Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
259
        * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
260
 
261
2010-03-04  Sebastian Pop  
262
 
263
        * graphite-dependences.c (map_into_dep_poly): Removed.
264
        (dependence_polyhedron_1): Use combine_context_id_scat.
265
 
266
2010-03-04  Sebastian Pop  
267
 
268
        * graphite-poly.h (struct poly_scattering): Add layout documentation.
269
        (struct poly_bb): Same.
270
        (combine_context_id_scat): New.
271
 
272
2010-03-02  Sebastian Pop  
273
 
274
        PR middle-end/42326
275
        * sese.c (name_defined_in_loop_p): Return false for default
276
        definitions.
277
 
278
        * gcc.dg/graphite/pr42326.c: New.
279
 
280
2010-02-23  Sebastian Pop  
281
 
282
        * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
283
        and clean up the logic.
284
 
285
2010-02-23  Sebastian Pop  
286
 
287
        * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
288
        early return.
289
 
290
2010-02-22  Sebastian Pop  
291
 
292
        PR middle-end/43083
293
        * graphite-scop-detection.c (create_single_exit_edge): Move
294
        the call to find_single_exit_edge to....
295
        (create_sese_edges): ...here.  Don't handle multiple edges
296
        exiting the function.
297
        (build_graphite_scops): Don't handle multiple edges
298
        exiting the function.
299
 
300
        * gcc.dg/graphite/pr43083.c: New.
301
 
302
2010-02-22  Sebastian Pop  
303
 
304
        PR middle-end/43097
305
        * sese.c (get_rename): Assert that old_name is an SSA_NAME.
306
        (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
307
 
308
        * gfortran.dg/graphite/pr43097.f: New.
309
 
310
2010-02-22  Sebastian Pop  
311
            Manuel López-Ibáñez  
312
 
313
        PR middle-end/43140
314
        * g++.dg/graphite/pr41305.C: Add -Wno-conversion-null.
315
 
316
2010-02-22  Sebastian Pop  
317
 
318
        PR middle-end/43026
319
        * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
320
 
321
        * g++.dg/graphite/pr43026.C: New.
322
 
323
2010-02-13  Tobias Grosser  
324
 
325
        * Merge from mainline (154736:156693).
326
 
327
2010-02-11  Sebastian Pop  
328
 
329
        PR middle-end/43012
330
        * gcc.dg/graphite/pr43012.c: New.
331
 
332
2010-02-10  Sebastian Pop  
333
 
334
        * graphite.c (graphite_transform_loops): Re-enable dbg_cnt.
335
2010-02-10  Sebastian Pop  
336
 
337
        * g++.dg/graphite/pr42930.C: New.
338
 
339
2010-02-10  Sebastian Pop  
340
 
341
        PR middle-end/42930
342
        * graphite-scop-detection.c (graphite_can_represent_scev): Call
343
        graphite_can_represent_init for MULT_EXPR.
344
 
345
2010-02-10  Sebastian Pop  
346
 
347
        PR middle-end/42914
348
        PR middle-end/42530
349
        * graphite-sese-to-poly.c (remove_phi): New.
350
        (translate_scalar_reduction_to_array): Call remove_phi.
351
 
352
        * gcc.dg/graphite/pr42530.c: New.
353
        * gcc.dg/graphite/pr42914.c: New.
354
 
355
2010-02-10  Sebastian Pop  
356
 
357
        PR middle-end/42771
358
        * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
359
        * graphite-clast-to-gimple.h (gloog): Update declaration.
360
        * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
361
        * graphite-poly.h (struct poly_bb): Add missing comments.
362
        (struct scop): Add poly_scop_p field.
363
        (POLY_SCOP_P): New.
364
        * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
365
        * graphite.c (graphite_transform_loops): Build the polyhedral
366
        representation for each scop before code generation.
367
        * sese.c (rename_variables_in_operand): Removed.
368
        (rename_variables_in_expr): Return the renamed expression.
369
        (rename_sese_parameters): New.
370
        * sese.h (rename_sese_parameters): Declared.
371
 
372
        * gcc.dg/graphite/pr42771.c: New.
373
 
374
2010-02-07  Sebastian Pop  
375
 
376
        * gcc.dg/graphite/block-0.c: Call abort for runtime test.  Always
377
        return 0 from main.
378
        * gcc.dg/graphite/block-1.c: Same.
379
        * gcc.dg/graphite/block-3.c: Same.
380
        * gcc.dg/graphite/block-4.c: Same.
381
        * gcc.dg/graphite/block-5.c: Same.
382
        * gcc.dg/graphite/block-6.c: Same.
383
        * gcc.dg/graphite/block-7.c: Same.
384
        * gcc.dg/graphite/interchange-0.c: Same.
385
        * gcc.dg/graphite/interchange-1.c: Same.
386
        * gcc.dg/graphite/interchange-10.c: Same.
387
        * gcc.dg/graphite/interchange-11.c: Same.
388
        * gcc.dg/graphite/interchange-12.c: Same.
389
        * gcc.dg/graphite/interchange-2.c: Same.
390
        * gcc.dg/graphite/interchange-3.c: Same.
391
        * gcc.dg/graphite/interchange-4.c: Same.
392
        * gcc.dg/graphite/interchange-5.c: Same.
393
        * gcc.dg/graphite/interchange-6.c: Same.
394
        * gcc.dg/graphite/interchange-7.c: Same.
395
        * gcc.dg/graphite/interchange-8.c: Same.
396
        * gcc.dg/graphite/interchange-9.c: Same.
397
        * gcc.dg/graphite/interchange-mvt.c: Same.
398
 
399
2010-02-07  Sebastian Pop  
400
 
401
        * gfortran.dg/graphite/id-19.f: New.
402
        * gfortran.dg/graphite/pr14741.f90: New.
403
        * gfortran.dg/graphite/pr41924.f90: New.
404
        * gfortran.dg/graphite/run-id-2.f90: New.
405
 
406
2010-02-07  Sebastian Pop  
407
 
408
        PR middle-end/42988
409
        * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
410
        to unknown_dependence.
411
        (graphite_legal_transform_dr): Handle the unknown_dependence.
412
        (graphite_carried_dependence_level_k): Same.
413
 
414
2010-02-07  Sebastian Pop  
415
 
416
        * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
417
 
418
2010-02-05  Sebastian Pop  
419
            Konrad Trifunovic  
420
 
421
        PR middle-end/42637
422
        * graphite-dependences.c (build_lexicographical_constraint): Return
423
        a union of dependence polyhedra.
424
        (dependence_polyhedron_1): Adapt for build_lexicographical_constraint.
425
 
426
        * gcc.dg/graphite/block-0.c: Enable runtime check.  XFAILed.
427
        * gcc.dg/graphite/block-4.c: Same.
428
        * gcc.dg/graphite/block-7.c: Same.
429
        * gcc.dg/graphite/interchange-12.c: Same.
430
        * gcc.dg/graphite/interchange-mvt.c: Same.
431
        * gfortran.dg/graphite/interchange-1.f: XFAILed.
432
        * gfortran.dg/graphite/interchange-3.f90: XFAILed.
433
        * gfortran.dg/graphite/run-id-1.f: New testcase for PR42637.
434
 
435
2010-02-03  Sebastian Pop  
436
 
437
        * gcc.dg/graphite/interchange-12.c: Return 0 to avoid
438
        the execution check to FAIL.  This testcase is miscompiled by Graphite
439
        and the check should be re-enabled.
440
        * gcc.dg/graphite/interchange-mvt.c: Same.
441
        * gcc.dg/graphite/block-0.c: Same.
442
        * gcc.dg/graphite/block-4.c: Same.
443
        * gcc.dg/graphite/block-7.c: Same.
444
 
445
2010-02-03  Sebastian Pop  
446
 
447
        * gcc.dg/graphite/interchange-mvt.c: Un-XFAILed.
448
        * gcc.dg/graphite/scop-0.c: Fix spaces.
449
        * gfortran.dg/graphite/block-1.f90: Rewrite expected output.
450
        * gfortran.dg/graphite/block-2.f: Same.
451
        * gfortran.dg/graphite/block-3.f90: Same.
452
        * gfortran.dg/graphite/block-4.f90: Same.
453
        * gfortran.dg/graphite/interchange-1.f: Un-XFAILed.
454
        * gfortran.dg/graphite/interchange-3.f90: Un-XFAILed.
455
 
456
2010-02-03  Sebastian Pop  
457
 
458
        * graphite-dependences.c (new_poly_ddr): Initialize PDDR_KIND and
459
        PDDR_ORIGINAL_SCATTERING_P.
460
        (pddr_is_empty): Rewritten.
461
        (print_dependence_polyhedron_layout): New.
462
        (print_pddr): New.
463
        (debug_pddr): New.
464
        (build_alias_set_powerset): Moved up.
465
        (poly_drs_may_alias_p): Moved up.
466
        (lexicographically_gt_p): Removed.
467
        (build_lexicographically_gt_constraint): Renamed
468
        build_lexicographical_constraint, reimplemented.
469
        (dependence_polyhedron_1): Simplified parameters.
470
        (dependence_polyhedron): Same.  Keep along empty PDDRs
471
        to make efficient use of the cache.
472
        (reduction_dr_p): Compute the PBBs don't pass them as parameters.
473
        (graphite_legal_transform_dr): Rewritten.
474
        (graphite_legal_transform_bb): Pass fewer arguments to
475
        graphite_legal_transform_dr.
476
        (graphite_carried_dependence_level_k): Simplified implementation.
477
        (dot_original_deps_stmt_1): Call dependence_polyhedron.
478
        (dot_transformed_deps_stmt_1): Same.
479
        (dot_original_deps): Same.
480
        (dot_transformed_deps): Same.
481
        * graphite-dependences.h (struct poly_ddr): Added a new field
482
        original_scattering_p.
483
        (PDDR_ORIGINAL_SCATTERING_P): New.
484
        (print_pddr): Declared.
485
        (debug_pddr): Declared.
486
        * graphite-ppl.c: Clarify comment.
487
        * sese.h (print_gimple_bb): Removed unused declaration.
488
        (debug_gbb): Same.
489
 
490
2010-02-03  Sebastian Pop  
491
 
492
        * g++.dg/graphite/graphite.exp: Rewritten.
493
        * gcc.dg/graphite/graphite.exp: Rewritten.
494
        * gfortran.dg/graphite/graphite.exp: Rewritten.
495
        * gcc.dg/graphite/block-0.c: Added runtime test.
496
        * gcc.dg/graphite/block-1.c: Same.
497
        * gcc.dg/graphite/block-3.c: Same.
498
        * gcc.dg/graphite/block-4.c: Same.
499
        * gcc.dg/graphite/block-5.c: Same.
500
        * gcc.dg/graphite/block-6.c: Same.
501
        * gcc.dg/graphite/block-7.c: Same.
502
        * gcc.dg/graphite/interchange-0.c: Same.
503
        * gcc.dg/graphite/interchange-1.c: Same.
504
        * gcc.dg/graphite/interchange-10.c: Same.
505
        * gcc.dg/graphite/interchange-11.c: Same.
506
        * gcc.dg/graphite/interchange-12.c: Same.
507
        * gcc.dg/graphite/interchange-2.c: Same.
508
        * gcc.dg/graphite/interchange-3.c: Same.
509
        * gcc.dg/graphite/interchange-4.c: Same.
510
        * gcc.dg/graphite/interchange-5.c: Same.
511
        * gcc.dg/graphite/interchange-6.c: Same.
512
        * gcc.dg/graphite/interchange-7.c: Same.
513
        * gcc.dg/graphite/interchange-8.c: Same.
514
        * gcc.dg/graphite/interchange-9.c: Same.
515
        * gcc.dg/graphite/interchange-mvt.c: Same.
516
        * gcc.dg/graphite/run-id-2.c: Remove useless dg-do run.
517
 
518
2010-01-22  Ramakrishna Upadrasta 
519
 
520
        * graphite-scop-detection.c (dot_all_scops): Make calls to dot run in
521
          background.
522
 
523
2010-01-22  Ramakrishna Upadrasta 
524
 
525
        * common.opt: Add -fgraphite-cloog-opts.
526
        * graphite-clast-to-gimple.c (set_cloog_options): Same.
527
        * opts.c (decode_options): Same.
528
 
529
2010-01-20  Sebastian Pop  
530
 
531
        * gcc.dg/graphite/id-17.c: New.
532
        * gcc.dg/graphite/pr41888.c: New.
533
        * gcc.dg/graphite/scop-22.c: New.
534
        * gfortran.dg/graphite/pr40982.f90: New.
535
 
536
2010-01-20  Sebastian Pop  
537
 
538
        * graphite-dependences.c: Clarify comments.
539
        (build_pddr): Add an extra parameter direction.
540
        (graphite_legal_transform_dr): Use build_pddr.
541
        (dot_original_deps_stmt_1): Update use of build_pddr.
542
        (dot_transformed_deps_stmt_1): Same.
543
        (dot_original_deps): Same.
544
        (dot_transformed_deps): Same.
545
 
546
        * gcc.dg/graphite/interchange-12.c: New.
547
        * gcc.dg/graphite/block-7.c: New.
548
 
549
2010-01-20  Sebastian Pop  
550
 
551
        * graphite-dependences.c (pddr_original_scattering): Renamed build_pddr.
552
        (pddr_transformed_scattering): Removed.
553
        (graphite_legal_transform_dr): Use build_pddr.
554
        (dot_original_deps_stmt_1): Same.
555
        (dot_transformed_deps_stmt_1): Same.
556
        (dot_original_deps): Same.
557
        (dot_transformed_deps): Same.
558
 
559
2010-01-20  Sebastian Pop  
560
 
561
        * graphite-dependences.c (lexicographically_gt_p): Add comments.
562
        (build_lexicographically_gt_constraint): Same.
563
        (dependence_polyhedron_1): Same.
564
        (dependence_polyhedron): Same.
565
 
566
2010-01-20  Sebastian Pop  
567
 
568
        * graphite-dependences.c (build_pairwise_scheduling_equality): Removed.
569
        (build_pairwise_scheduling_inequality): Renamed build_pairwise_scheduling.
570
        (lexicographically_gt_p): Change type of direction to int.
571
        (build_lexicographically_gt_constraint): Same.
572
        (dependence_polyhedron_1): Same.
573
        (dependence_polyhedron): Same.
574
        (pddr_original_scattering): Use integers for direction.
575
        (pddr_transformed_scattering): Same.
576
        (graphite_legal_transform_dr): Same.
577
        (graphite_carried_dependence_level_k): Same.
578
 
579
2010-01-20  Sebastian Pop  
580
 
581
        * graphite-dependences.c (build_pairwise_constraint): Renamed
582
        ppl_build_relation.  Moved...
583
        (dr_equality_constraints): Use ppl_build_relation.
584
        (build_pairwise_scheduling_equality): Same.
585
        (build_pairwise_scheduling_inequality): Same.
586
        * graphite-ppl.c (ppl_build_relation): ...here.
587
        * graphite-ppl.h (ppl_build_relation): Declared.
588
 
589
2010-01-14  Sebastian Pop  
590
 
591
        PR middle-end/42681
592
        * graphite-clast-to-gimple.c (gloog_error): New static variable.
593
        (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
594
        Set gloog_error when such an expression failed to be built.
595
        (translate_clast): Early return when gloog_error is set.
596
        (gloog): Clear gloog_error.  When gloog_error is set, call
597
        set_ifsese_condition to enable the original code.  Return the status
598
        of the code generation based on gloog_error.
599
        * sese.c (set_ifsese_condition): New.
600
        * sese.h (set_ifsese_condition): Declared.
601
 
602
        * g++.dg/graphite/pr42681.C: New.
603
 
604
2010-01-14  Sebastian Pop  
605
 
606
        PR middle-end/42732
607
        * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
608
        rename_nb_iterations.
609
        * sese.c (rename_variables_in_operand): New.
610
        (rename_variables_in_expr): New.
611
        (rename_nb_iterations): New.
612
        (sese_adjust_liveout_phis): Update the rename_map.
613
        * sese.h (rename_nb_iterations): Declared.
614
        * tree-scalar-evolution.c (scev_reset_htab): New.
615
        (scev_reset): Call scev_reset_htab.
616
        * tree-scalar-evolution.h (scev_reset_htab): Declared.
617
 
618
        * gfortran.dg/graphite/pr42732.f: New.
619
 
620
2010-01-08  Sebastian Pop  
621
 
622
        PR middle-end/42393
623
        * graphite-clast-to-gimple.c: Fix formatting.
624
        * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
625
        (expr_defined_in_loop_p): New.
626
        (add_loop_exit_phis): Also handle full expressions: remove from
627
        the rename_map the expressions defined in the loop that we're closing.
628
 
629
        * gfortran.dg/graphite/pr42393-1.f90: New.
630
        * gfortran.dg/graphite/pr42393.f90: Add new flags
631
        -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
632
        make this testcase useful in the Graphite branch.
633
 
634
2010-01-08  Sebastian Pop  
635
 
636
        * graphite-scop-detection.c (exclude_component_ref): Removed.
637
        (is_simple_operand): Removed.
638
        (stmt_simple_for_scop_p): Remove use of is_simple_operand.
639
 
640
2010-01-07  Sebastian Pop  
641
 
642
        PR middle-end/42221
643
        * sese.c (expand_scalar_variables_expr): Follow the SSA links into
644
        the array indexing of ADDR_EXPRs.
645
 
646
        * gcc.dg/graphite/pr42221.c: New.
647
 
648
2010-01-07  Sebastian Pop  
649
 
650
        PR middle-end/42521
651
        * graphite.c (graphite_finalize): Call scev_reset.
652
        (graphite_transform_loops): Do not call scev_reset between the code
653
        generation of scops.
654
 
655
        * gcc.dg/graphite/pr42521.c: New.
656
 
657
2010-01-07  Sebastian Pop  
658
 
659
        * graphite-interchange.c (memory_stride_in_loop): Renamed
660
        pdr_stride_in_loop.
661
        (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
662
        (memory_strides_in_loop): Memoize the memory strides per loop.
663
        (lst_interchange_profitable_p): Do not initialize to zero the memory
664
        strides.
665
        * graphite-poly.h (struct lst): Add a field memory_strides.
666
        (LST_LOOP_MEMORY_STRIDES): New.
667
        (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
668
        (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
669
 
670
2010-01-07  Sebastian Pop  
671
 
672
        * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
673
        memory_strides_in_loop.  Gather memory strides on a whole loop.
674
        (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
675
        (lst_interchange_profitable_p): Removed.
676
        (lst_try_interchange_loops): Call lst_interchange_profitable_p.
677
 
678
2010-01-07  Sebastian Pop  
679
 
680
        Revert patch 2009-11-23  Tobias Grosser  
681
        * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
682
        (translate_clast_for, translate_clast_guard, translate_clast, gloog):
683
        Remove context_loop and level.
684
 
685
2010-01-07  Richard Guenther  
686
 
687
        PR tree-optimization/42641
688
        * sese.c (rename_map_elt_info): Use the SSA name version, do
689
        not hash pointers.
690
 
691
2010-01-06  Sebastian Pop  
692
 
693
        * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
694
        blocked" only when both the strip mine and the interchange have
695
        been applied.
696
 
697
        * gcc.dg/graphite/block-2.c: Removed.
698
        * gcc.dg/graphite/block-3.c: Add scan pattern.
699
        * gcc.dg/graphite/block-4.c: Same.
700
        * gcc.dg/graphite/block-5.c: Same.
701
        * gcc.dg/graphite/block-6.c: Same.
702
 
703
2010-01-06  Sebastian Pop  
704
 
705
        * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
706
        before allocating a new one.
707
        (copy_renames): Check that slot is not NULL.
708
        (mark_bb_with_pbb): Same.
709
        (compute_cloog_iv_types_1): Same.
710
        * graphite-interchange.c (lst_perfect_nestify): Free the before,
711
        nest, and after LSTs.
712
        (lst_try_interchange_loops): Same.
713
 
714
2010-01-05  Sebastian Pop  
715
 
716
        PR middle-end/42178
717
        * graphite-interchange.c (lst_try_interchange_loops): Do not return
718
        the before, nest, and after LSTs.
719
        (lst_try_interchange): Removed.
720
        (lst_interchange_select_inner): Do not iterate over the LSTs if they
721
        were modified.
722
        (lst_interchange_select_outer): Apply interchange on the outer loop
723
        until there are no more changes in the inner loops.
724
 
725
2009-12-18  Sebastian Pop  
726
 
727
        Revert patch fixing PR middle-end/42221.
728
 
729
2009-12-18  Sebastian Pop  
730
 
731
        PR middle-end/42180
732
        * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
733
        GIMPLE_CALL.
734
 
735
        * gfortran.dg/graphite/pr42180.f90: Add compile flags.
736
 
737
2009-12-18  Sebastian Pop  
738
 
739
        PR middle-end/42180
740
        * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
741
        that contain only one statement.
742
 
743
        * gfortran.dg/graphite/pr42180.f90: New.
744
 
745
2009-12-17  Sebastian Pop  
746
 
747
        PR middle-end/42393
748
        * gfortran.dg/graphite/pr42393.f90: New.
749
 
750
2009-12-17  Sebastian Pop  
751
 
752
        PR middle-end/42186
753
        * gfortran.dg/graphite/pr42186.f90: New.
754
 
755
2009-12-17  Sebastian Pop  
756
 
757
        PR middle-end/42205
758
        * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
759
        Insert the reduction copy in the same block as the phi node.
760
        (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
761
 
762
        * gcc.dg/graphite/pr42205-1.c: New.
763
        * gcc.dg/graphite/pr42205-2.c: New.
764
 
765
2009-12-17  Sebastian Pop  
766
 
767
        PR middle-end/42221
768
        * sese.c (expand_scalar_variables_expr): Follow the SSA links into
769
        the array indexing of ADDR_EXPRs.
770
 
771
        * gcc.dg/graphite/pr42221.c: New.
772
 
773
2009-12-17  Sebastian Pop  
774
 
775
        PR middle-end/42178
776
        PR middle-end/42334
777
        * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
778
        index.  Call lst_interchange_select_inner only once.
779
        (lst_interchange_select_inner): Update use of lst_try_interchange.
780
        (lst_interchange_select_outer): Update.
781
 
782
2009-12-15  Sebastian Pop  
783
 
784
        PR middle-end/42178
785
        PR middle-end/42334
786
        * graphite-interchange.c (lst_try_interchange): Do not increment the
787
        the OUTER index when there is no AFTER kernel.  Do not increment the
788
        OUTER index for after processing the AFTER kernel.
789
        (lst_interchange_select_inner): Call lst_try_interchange only on loops.
790
        (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
791
        index.  Do not pass to lst_interchange_select_inner the OUTER index.
792
        (scop_do_interchange): Update use of lst_interchange_select_outer.
793
 
794
        * gfortran.dg/graphite/graphite.exp
795
        (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
796
        * gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
797
        the graphite dump file.
798
        * gfortran.dg/graphite/interchange-2.f: Same.
799
        * gfortran.dg/graphite/pr42334-1.f: New.
800
 
801
2009-12-15  Sebastian Pop  
802
 
803
        PR middle-end/42178
804
        PR middle-end/42334
805
        * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
806
        that are empty.
807
        (lst_do_interchange_1): Renamed lst_interchange_select_inner.
808
        (lst_try_interchange): Reimplemented.
809
        (lst_interchange_select_inner): Same.
810
        (lst_do_interchange): Renamed lst_interchange_select_outer.
811
        Reimplemented.
812
        (scop_do_interchange): Update use of lst_interchange_select_outer.
813
 
814
        * g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
815
        * gcc.dg/graphite/block-0.c: Un-XFAILed.
816
        * gcc.dg/graphite/pr42211.c: New.
817
        * gfortran.dg/graphite/pr42334.f90: New.
818
 
819
2009-12-14  Sebastian Pop  
820
 
821
        PR middle-end/42181
822
        * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
823
        carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
824
 
825
        * gfortran.dg/graphite/pr42181.f90: New.
826
 
827
2009-12-12  Sebastian Pop  
828
 
829
        PR middle-end/42284
830
        * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
831
        insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
832
        (detect_commutative_reduction_arg): Simplified.
833
        (detect_commutative_reduction): Early return when the argument of
834
        the close phi is not of an SSA_NAME.
835
 
836
        * gcc.dg/graphite/pr42284.c: New.
837
 
838
2009-12-11  Alexander Monakov  
839
 
840
        * dbgcnt.def (graphite_scop): New counter.
841
        * graphite.c: Include dbgcnt.h
842
        (graphite_transform_loops): Use new counter to limit transformations.
843
 
844
2009-12-08  Sebastian Pop  
845
 
846
        PR middle-end/42285
847
        * graphite-scop-detection.c (graphite_can_represent_init): Also
848
        handle more complex MULT_EXPRs containing parameters by recursion
849
        on the structure.
850
 
851
        * gfortran.dg/graphite/pr42285.f90: New.
852
 
853
2009-12-01  Tobias Grosser  
854
 
855
        * g++.dg/graphite/pr42130.C: Fix type.
856
 
857
2009-11-29  Alexander Monakov 
858
 
859
        * g++.dg/graphite/pr42130.C: Correct testcase.
860
 
861
2009-11-28 Tobias Grosser  
862
 
863
        * Merge from mainline (154493:154734).
864
 
865
2009-11-28 Tobias Grosser  
866
 
867
        * Merge from mainline (151362:154491).
868
 
869
2009-11-24  Tobias Grosser  
870
 
871
        * graphite-clast-to-gimple.c (try_mark_loop_parallel,
872
        graphite_create_new_loop_guard, translate_clast_for): Fix comments.
873
 
874
2009-11-23  Tobias Grosser  
875
 
876
        PR middle-end/42130
877
        * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
878
        translate_clast_for_loop): New.
879
        (translate_clast_for): Add a condition around the loop, to do not
880
        execute loops with zero iterations.
881
        * g++.dg/graphite/pr42130.C: New.
882
        * gcc.dg/graphite/pr35356-2.c: Adapt.
883
 
884
2009-11-23  Tobias Grosser  
885
 
886
        * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
887
        (translate_clast_for, translate_clast_guard, translate_clast, gloog):
888
        Remove context_loop and level.
889
 
890
2009-11-23  Tobias Grosser  
891
 
892
        * graphite-clast-to-gimple.c (translate_clast_user,
893
        translate_clast_for, translate_clast_guard): Simplify and move common
894
        elements to translate_clast().
895
        (translate_clast): Simplify and get common elements.
896
 
897
2009-11-23  Tobias Grosser  
898
 
899
        * graphite-clast-to-gimple.c (translate_clast_user,
900
        translate_clast_for, translate_clast_guard): Split out of
901
        translate_clast.
902
 
903
2009-11-21  Tobias Grosser  
904
 
905
        * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
906
        clast_name_to_index, save_clast_name_index, debug_clast_name_index,
907
        debug_clast_name_indexes_1, debug_clast_name_indexes,
908
        clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
909
        (clast_name_to_gcc, clast_to_gcc_expression,
910
        clast_to_gcc_expression_red, gcc_type_for_clast_expr,
911
        gcc_type_for_clast_eq, graphite_translate_clast_equation,
912
        graphite_create_guard_cond_expr, graphite_create_new_loop,
913
        translate_clast): Add params_index.
914
        (initialize_cloog_names): Create parameter strings from scratch, do
915
        not reference other strings.
916
        (create_params_index): New.
917
        (gloog): Initialize params_index.
918
        * graphite-scop-detection (free_scops_1): Removed.
919
        (limit_scops): Use normal free_scops.
920
        * graphite-sese-to-poly.c (save_var_names): Removed.
921
        (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
922
        and SESE_PARAMS_INDEX.
923
        * sese.c (new_sese, free_sese): Dito.
924
        * sese.h (struct sese): Remove params_index, params_names.
925
        (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
926
 
927
2009-11-20  Sebastian Pop  
928
 
929
        Revert the following patch from 2009-09-14:
930
        * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
931
        tree-scalar-evolution.h, and then tree-data-ref.h.
932
        * graphite-clast-to-gimple.c: Same.
933
        * graphite-dependences.c: Same.
934
        * graphite-interchange.c: Same.
935
        * graphite-poly.c: Same.
936
        * graphite-scop-detection.c: Same.
937
        * graphite-sese-to-poly.c: Same.
938
        * graphite.c: Same.
939
        * lambda-code.c: Same.
940
        * matrix-reorg.c: Same.
941
        * tree-data-ref.c: Same.
942
        * tree-if-conv.c: Same.
943
        * tree-loop-distribu: Same.: Same.
944
        * tree-loop-linear.c: Same.
945
        * tree-parloops.c: Same.
946
        * tree-predcom.c: Same.
947
        * tree-vect-patterns.c: Same.
948
 
949
2009-11-20  Sebastian Pop  
950
 
951
        Revert patch from 2009-09-14.
952
        * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
953
        passes at -O1 and below.
954
 
955
2009-11-18  Sebastian Pop  
956
 
957
        PR middle-end/40281
958
        * gcc.dg/graphite/pr40281.c: New.
959
 
960
        * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
961
        evolutions should not variate in inner loops.
962
 
963
2009-11-18  Sebastian Pop  
964
 
965
        PR middle-end/42050
966
        * gfortran.dg/graphite/pr42050.f90: New.
967
 
968
2009-11-18  Sebastian Pop  
969
 
970
        * graphite-interchange.c (memory_strides_in_loop_depth): New.
971
        (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
972
 
973
2009-11-18  Sebastian Pop  
974
 
975
        * graphite-blocking.c (scop_do_block): New.
976
        * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
977
        * graphite-poly.h (scop_do_block): Declared.
978
 
979
2009-11-18  Sebastian Pop  
980
 
981
        * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
982
        depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
983
        to transform depth into the time_depth before calling
984
        pbb_number_of_iterations_at_time.
985
        (lst_do_strip_mine): Use a scalar variable instead of recomputing
986
        lst_depth.
987
 
988
2009-11-18  Sebastian Pop  
989
 
990
        Reverted the patch for "scattering permutations" from 2009-10-28.
991
 
992
        * graphite-poly.c (print_permutation): New.
993
        (debug_permutation): New.
994
        (new_poly_bb): Initialize PBB_PERMUTATION.
995
        (free_poly_bb): Free PBB_PERMUTATION.
996
        * graphite-poly.h (pbb_permutation_elt_p): Declared.
997
        (struct pbb_permutation_elt): New.
998
        (PBB_PERMUTATION_ELT_STRIDE): New.
999
        (PBB_PERMUTATION_ELT_STRIDED_P): New.
1000
        (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
1001
        (new_pbb_permutation_elt): New.
1002
        (pbb_permutation_elt_free): New.
1003
        (struct poly_bb): Add field permutation.
1004
        (PBB_PERMUTATION): New.
1005
        (print_permutation): Declared.
1006
        (debug_permutation): Declared.
1007
 
1008
2009-11-04  Konrad Trifunovic  
1009
 
1010
        * graphite-interchange.c (build_partial_difference): New.
1011
        (memory_stride_in_loop): Refactored the computation of
1012
        equality constraints into build_partial_difference function.
1013
        Added support for debugging stride computations.
1014
 
1015
2009-11-03  Sebastian Pop  
1016
 
1017
        * graphite-clast-to-gimple.c (gloog): Free if_region,
1018
        if_region->true_region, and if_region->region.
1019
        * sese.c (if_region_set_false_region): Free if_region->false_region.
1020
        (create_if_region_on_edge): Do not use GGC_NEW.
1021
        (move_sese_in_condition): Remove useless initialization.
1022
 
1023
2009-11-03  Sebastian Pop  
1024
 
1025
        * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
1026
        for the loops created by the loop distribution.  Do not modify the
1027
        input LSTs.
1028
        (lst_try_interchange_loops): Same.  Use a temporary LST for the
1029
        transformed schedule.  Call lst_update_scattering before data
1030
        dependence analysis.
1031
        (lst_try_interchange): Pass an extra parameter INDEX.
1032
        (lst_do_interchange_1): New.
1033
        (lst_do_interchange): Call lst_do_interchange_1.
1034
        (scop_do_interchange): Call lst_update_scattering.
1035
        * graphite-poly.c (apply_poly_transforms): Do not call
1036
        lst_update_scattering.
1037
        * graphite-poly.h (lst_pred): New.
1038
        (lst_succ): New.
1039
        (lst_find_first_pbb): Return NULL when not found.
1040
        (lst_empty_p): New.
1041
        (lst_insert_in_sequence): Allow LST1 to be NULL.
1042
        (lst_replace): New.
1043
        (lst_substitute_3): New.
1044
        * gcc.dg/graphite/interchange-1.c: XFail.
1045
        * gcc.dg/graphite/interchange-8.c: XFail.
1046
        * gcc.dg/graphite/interchange-11.c: XFail.
1047
 
1048
2009-10-30  Sebastian Pop  
1049
 
1050
        * graphite-interchange.c (lst_perfectly_nested_p): New.
1051
        (lst_perfect_nestify): New.
1052
        (lst_try_interchange_loops): Call store_lst_schedule,
1053
        lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
1054
        (scop_do_interchange): Avoid redundant legality test.
1055
        Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
1056
        * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
1057
        * graphite-poly.h (psct_static_dim): New.
1058
        (lst_dewey_number_at_depth): New.
1059
        (lst_find_pbb): Restructured.
1060
        (lst_find_first_pbb): Restructured.
1061
        (lst_find_last_pbb): New.
1062
        (lst_contains_p): New.
1063
        (lst_contains_pbb): New.
1064
        (lst_create_nest): New.
1065
        (lst_remove_from_sequence): New.
1066
        (pbb_update_scattering): New.
1067
        (lst_update_scattering_under): New.
1068
        (lst_update_scattering_seq): New.
1069
        (lst_update_scattering): New.
1070
        (lst_insert_in_sequence): New.
1071
        (lst_distribute_lst): New.
1072
        (lst_remove_all_before_including_pbb): New.
1073
        (lst_remove_all_before_excluding_pbb): New.
1074
 
1075
2009-10-30  Sebastian Pop  
1076
 
1077
        * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
1078
        get_loop_exit_edges.
1079
 
1080
2009-10-30  Sebastian Pop  
1081
 
1082
        * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
1083
 
1084
2009-10-28  Konrad Trifunovic  
1085
 
1086
        * graphite-poly.c (print_permutation): New.
1087
        (debug_permutation): New.
1088
        (new_poly_bb): Initialize PBB_PERMUTATION.
1089
        (free_poly_bb): Free PBB_PERMUTATION.
1090
        * graphite-poly.h (pbb_permutation_elt_p): Declared.
1091
        (struct pbb_permutation_elt): New.
1092
        (PBB_PERMUTATION_ELT_STRIDE): New.
1093
        (PBB_PERMUTATION_ELT_STRIDED_P): New.
1094
        (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
1095
        (new_pbb_permutation_elt): New.
1096
        (pbb_permutation_elt_free): New.
1097
        (struct poly_bb): Add field permutation.
1098
        (PBB_PERMUTATION): New.
1099
        (print_permutation): Declared.
1100
        (debug_permutation): Declared.
1101
 
1102
2009-10-26  Sebastian Pop  
1103
 
1104
        * graphite-clast-to-gimple.c (gloog): Do not call
1105
        sese_reset_aux_in_loops.
1106
        * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
1107
        extra argument for domains.  Do not use loop->aux.
1108
        (build_scop_iteration_domain): Initialize and free domains, pass it
1109
        to build_loop_iteration_domains and extract the information from
1110
        domains.  Do not use loop->aux.
1111
        * sese.c (sese_reset_aux_in_loops): Removed.
1112
        * sese.h (sese_reset_aux_in_loops): Removed.
1113
 
1114
2009-10-26  Sebastian Pop  
1115
 
1116
        * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
1117
        (dependency_in_loop_p): Same.
1118
        (translate_clast): Do not use loop->aux.  Initialize
1119
        loop->can_be_parallel.
1120
        (mark_loops_parallel): Removed.
1121
        * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
1122
        * graphite.c (free_aux_in_new_loops): Removed.
1123
        (graphite_finalize): Do not call free_aux_in_new_loops.
1124
        (graphite_transform_loops): Do not call mark_loops_parallel.
1125
 
1126
2009-10-26  Li Feng  
1127
 
1128
        * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
1129
        (translate_clast): Pass an extra parameter LEVEL.
1130
        Call get_scattering_level.
1131
        * graphite-clast-to-gimple.h (get_scattering_level): New.
1132
 
1133
2009-10-22  Sebastian Pop  
1134
 
1135
        * cfgloop.c (alloc_loop): Initialize loop->single_iv.
1136
        * cfgloop.h (struct loop): New field single_iv.
1137
 
1138
        * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
1139
        loop->aux anymore: use loop->single_iv.
1140
        (graphite_loop_normal_form): Moved...
1141
        (build_graphite_loop_normal_form): Removed.
1142
        (gloog): Do not call build_graphite_loop_normal_form.
1143
        (free_aux_in_new_loops): Moved...
1144
        (mark_loops_parallel): Restructure.
1145
        * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
1146
        * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
1147
        (scop_canonicalize_loops): New.
1148
        (build_poly_scop): Call scop_canonicalize_loops.
1149
        * graphite.c (free_aux_in_new_loops): ...here.
1150
 
1151
2009-10-22  Sebastian Pop  
1152
 
1153
        * g++.dg/graphite/graphite.exp: Add the same rules as in
1154
        gcc.dg/graphite/graphite.exp.
1155
 
1156
2009-10-22  Sebastian Pop  
1157
 
1158
        * g++.dg/graphite/id-1.C: New.
1159
 
1160
2009-10-22  Sebastian Pop  
1161
 
1162
        * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
1163
        argument base_name.
1164
        (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
1165
        (rewrite_phi_out_of_ssa): Same.
1166
        (rewrite_cross_bb_scalar_deps): Same.
1167
        (translate_scalar_reduction_to_array): Same.
1168
 
1169
2009-10-22  Sebastian Pop  
1170
 
1171
        * graphite-sese-to-poly.c (build_scop_drs): Disable call to
1172
        dump_alias_graphs.
1173
 
1174
2009-10-22  Sebastian Pop  
1175
 
1176
        * graphite-sese-to-poly.c (dump_alias_graphs): New.
1177
        (build_scop_drs): Call dump_alias_graphs.
1178
 
1179
2009-10-22  Sebastian Pop  
1180
 
1181
        * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
1182
        SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
1183
        (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
1184
        SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
1185
        * graphite-poly.h (free_lst): New.
1186
        (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
1187
        (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
1188
 
1189
2009-10-22  Sebastian Pop  
1190
 
1191
        * graphite-poly.h (struct scop): Add a field saved_schedule.
1192
        (SCOP_SAVED_SCHEDULE): New.
1193
        (store_lst_schedule): New.
1194
        (restore_lst_schedule): New.
1195
        (store_scattering): Call store_lst_schedule.
1196
        (restore_scattering): Call restore_lst_schedule.
1197
 
1198
2009-10-20  Sebastian Pop  
1199
 
1200
        * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
1201
        (pdr_add_alias_set): Same.
1202
        (build_poly_dr): Same.
1203
        (build_alias_set_optimal_p): Same.
1204
        (build_base_obj_set_for_drs): Same.  Do not store the result of
1205
        graphds_dfs.
1206
 
1207
2009-10-20  Sebastian Pop  
1208
 
1209
        * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
1210
        all_components_are_cliques to 1.
1211
 
1212
2009-10-20  Li Feng  
1213
 
1214
        * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
1215
        the new structure.
1216
        (pdr_add_alias_set): Update retrieving alias_set_num.
1217
        (build_poly_dr): Update retrieving dr_base_object_set.
1218
        (partition_drs_to_sets): Remove.
1219
        (build_alias_set_optimal_p): New.
1220
        (build_alias_set_for_drs): Rename.
1221
        (build_scop_drs): Update.
1222
        * graphite-sese-to-poly.h (struct base_alias_pair): New.
1223
        (ALIAS_SET_INDEX): Remove.
1224
        (BASE_OBJECT_SET_INDEX): Remove.
1225
 
1226
2009-10-20  Sebastian Pop  
1227
 
1228
        * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
1229
 
1230
2009-10-20  Sebastian Pop  
1231
 
1232
        * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
1233
        loop upper bounds for 1-element arrays at end of structures.
1234
        * tree-flow.h (array_at_struct_end_p): Declared.
1235
        * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
1236
 
1237
2009-10-20  Sebastian Pop  
1238
 
1239
        * g++.dg/graphite/pr41305.C: New.
1240
 
1241
2009-10-20  Alexander Monakov  
1242
 
1243
        * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
1244
        construction of parameter constraints from loop iteration analysis.
1245
        * gcc.dg/graphite/run-id-2.c: New test.
1246
 
1247
2009-10-17  Sebastian Pop  
1248
 
1249
        * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
1250
        and new_cstr.
1251
 
1252
2009-10-17  Sebastian Pop  
1253
 
1254
        * graphite-dependences.c (dependence_polyhedron_1): Remove
1255
        unused gdim dimensions from the DDR polyhedron.
1256
 
1257
2009-10-17  Sebastian Pop  
1258
 
1259
        * graphite-dependences.c (pddr_transformed_scattering): New.
1260
        (dot_original_deps_stmt_1): New.
1261
        (dot_transformed_deps_stmt_1): New.
1262
        (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
1263
        dot_transformed_deps_stmt_1.
1264
        (dot_original_deps): New.
1265
        (dot_transformed_deps): New.
1266
        (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
1267
 
1268
2009-10-17  Sebastian Pop  
1269
 
1270
        * graphite-dependences.c (reduction_dr_1): Remove wrong
1271
        assert: reduction BBs can have multiple reduction writes
1272
        to memory.  interchange-3.f90 is an example.
1273
 
1274
2009-10-17  Sebastian Pop  
1275
 
1276
        * gfortran.dg/graphite/interchange-3.f90: New.
1277
 
1278
2009-10-17  Sebastian Pop  
1279
 
1280
        * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
1281
 
1282
2009-10-17  Sebastian Pop  
1283
 
1284
        * graphite-dependences.c (dependence_polyhedron_1): Add the
1285
        context to the dependence polyhedron.
1286
 
1287
2009-10-17  Sebastian Pop  
1288
 
1289
        * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
1290
        PBB_PDR_DUPLICATES_REMOVED.
1291
        (new_poly_bb): Same.
1292
 
1293
2009-10-17  Sebastian Pop  
1294
 
1295
        * graphite-sese-to-poly.c (find_scop_parameters): Initialize
1296
        SCOP_CONTEXT.
1297
        (build_loop_iteration_domains): Extract bounds on parameters
1298
        based on the data size.
1299
        (build_scop_context): Do not initialize SCOP_CONTEXT;
1300
        add new constraints.
1301
 
1302
2009-10-17  Sebastian Pop  
1303
 
1304
        * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
1305
        * graphite-ppl.h (graphite-ppl.h): Declared.
1306
 
1307
2009-10-17  Sebastian Pop  
1308
 
1309
        * graphite-ppl.c (ppl_print_linear_expr): New.
1310
        (debug_ppl_linear_expr): New.
1311
        * graphite-ppl.h (ppl_print_linear_expr): Declared.
1312
        (debug_ppl_linear_expr): Declared.
1313
 
1314
2009-10-16  Sebastian Pop  
1315
 
1316
        * graphite-interchange.c: Fix comments.
1317
        * gcc.dg/graphite/block-1.c: Fix comments.
1318
 
1319
2009-10-16  Sebastian Pop  
1320
 
1321
        * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
1322
        * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
1323
 
1324
2009-10-16  Sebastian Pop  
1325
 
1326
        Reapply the patch from Alexander Monakov that disappeared during
1327
        the last merges from trunk.
1328
 
1329
        2009-09-16  Alexander Monakov  
1330
 
1331
        * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1332
        for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1333
 
1334
2009-10-15  Sebastian Pop  
1335
 
1336
        * graphite-interchange.c (memory_stride_in_loop): The depth
1337
        argument corresponds to a dynamic time dimension, so use
1338
        psct_dynamic_dim to refer to the transformed scattering dimension.
1339
 
1340
2009-10-15  Sebastian Pop  
1341
 
1342
        * graphite-interchange.c (memory_stride_in_loop): Fix comments.
1343
 
1344
2009-10-15  Sebastian Pop  
1345
 
1346
        * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
1347
        root of the LST.
1348
        * graphite-interchange.c (lst_do_interchange): Avoid interchanging
1349
        the root of the LST.
1350
        * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
1351
        fake loop.
1352
        (print_lst): Print the root of LST in a different format.
1353
        * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
1354
 
1355
2009-10-15  Sebastian Pop  
1356
 
1357
        * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
1358
 
1359
2009-10-15  Sebastian Pop  
1360
 
1361
        * doc/passes.texi: Document the Graphite infrastructure.
1362
 
1363
2009-10-15  Sebastian Pop  
1364
 
1365
        * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
1366
        (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
1367
        and check the SSA representation.
1368
 
1369
        * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
1370
 
1371
2009-10-15  Sebastian Pop  
1372
 
1373
        * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
1374
 
1375
2009-10-14  Sebastian Pop  
1376
 
1377
        * gcc.dg/graphite/interchange-11.c: New.
1378
 
1379
2009-10-14  Sebastian Pop  
1380
 
1381
        * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
1382
 
1383
2009-10-14  Sebastian Pop  
1384
 
1385
        * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1386
        Add -fno-loop-strip-mine and -fno-loop-interchange.
1387
        (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
1388
        -fno-loop-strip-mine.
1389
        * gfortran.dg/graphite/graphite.exp: Same.
1390
 
1391
2009-10-14  Sebastian Pop  
1392
 
1393
        * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1394
        Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
1395
        (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
1396
        DEFAULT_FLAGS_GRAPHITE_IDENTITY.
1397
        (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
1398
        DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
1399
        (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
1400
        DEFAULT_FLAGS_GRAPHITE_SCOP.
1401
        (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
1402
        (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
1403
 
1404
2009-10-14  Sebastian Pop  
1405
 
1406
        * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
1407
 
1408
2009-10-14  Konrad Trifunovic  
1409
            Sebastian Pop  
1410
 
1411
        * graphite-interchange.c (build_linearized_memory_access): Pass an
1412
        offset as parameter.
1413
        (memory_stride_in_loop): Include transform scattering in the
1414
        access functions to be able to querry the strides in the
1415
        transformed loops.
1416
        (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
1417
        not the psct_iterator_dim.
1418
 
1419
2009-10-14  Sebastian Pop  
1420
 
1421
        * graphite-blocking.c (pbb_do_strip_mine): Removed.
1422
        (lst_do_strip_mine_loop): New.
1423
        (lst_do_strip_mine): New.
1424
        (scop_do_strip_mine): Call lst_do_strip_mine.
1425
        * graphite-poly.h (lst_add_loop_under_loop): New.
1426
        (lst_find_first_pbb): New.
1427
 
1428
2009-10-14  Sebastian Pop  
1429
 
1430
        * graphite-poly.c (loop_to_lst): Fix LST creation.
1431
 
1432
2009-10-14  Tobias Grosser  
1433
 
1434
        * gcc.dg/graphite/id-15.c: (8 * 8) replaced with
1435
        sizeof(unsigned long) to make it run on 32bit systems.
1436
 
1437
2009-10-14  Tobias Grosser  
1438
 
1439
        * gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
1440
        SEGFAULT on 32bit.
1441
 
1442
2009-10-14  Ramakrishna Upadrasta 
1443
 
1444
        * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
1445
        Comment.
1446
        (write_alias_graph_to_ascii_dot): New.
1447
        (write_alias_graph_to_ascii_ecc): Ditto.
1448
        (partition_drs_to_sets): Add testing of optimality of current method
1449
        which assigns alias numbers according to DFS Comopnent number.  used
1450
        as heuristic for the upcoming ECC algorithm.
1451
        (build_scop_drs): Write to file also with the ecc and dot format.
1452
 
1453
2009-10-13  Sebastian Pop  
1454
 
1455
        * gfortran.dg/graphite/interchange-1.f: XFail.
1456
 
1457
2009-10-13  Sebastian Pop  
1458
 
1459
        * graphite.c (graphite_initialize): Do not handle functions with
1460
        more than 100 basic blocks.
1461
 
1462
2009-10-13  Sebastian Pop  
1463
 
1464
        * graphite-blocking.c (pbb_do_strip_mine): Use
1465
        PARAM_LOOP_BLOCK_TILE_SIZE.
1466
 
1467
2009-10-13  Sebastian Pop  
1468
 
1469
        * graphite-poly.c (dot_lst_1): New.
1470
        (dot_lst): New.
1471
        * graphite-poly.h (dot_lst): Declared.
1472
 
1473
2009-10-13  Sebastian Pop  
1474
 
1475
        * graphite-dependences.c (dot_deps_stmt_1): New.
1476
        (dot_deps_stmt): New.
1477
        * graphite-dependences.h (dot_deps_stmt): Declared.
1478
 
1479
2009-10-09  Sebastian Pop  
1480
 
1481
        * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
1482
        not replace cross BB scalar dependences ending on PHI nodes.
1483
        (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
1484
 
1485
2009-10-09  Sebastian Pop  
1486
 
1487
        * graphite-poly.c (apply_poly_transforms): Implement the high
1488
        level driver for flag_loop_block.
1489
        * opts.c (decode_options): Enable flag_loop_block at -O2.
1490
        * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
1491
        flag_loop_block.
1492
 
1493
        * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
1494
        -floop-block.
1495
        * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1496
        Add -floop-block.
1497
 
1498
2009-10-09  Sebastian Pop  
1499
 
1500
        * graphite-poly.h (lst_find_pbb): New.
1501
        (find_lst_loop): New.
1502
 
1503
2009-10-09  Sebastian Pop  
1504
 
1505
        * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
1506
        * graphite-poly.h (struct scop): Remove dep_graph field.
1507
        (SCOP_DEP_GRAPH): Removed.
1508
 
1509
2009-10-09  Sebastian Pop  
1510
 
1511
        * graphite-poly.h (copy_lst): Do full copy of LST.
1512
 
1513
2009-10-07  Sebastian Pop  
1514
 
1515
        * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
1516
        when the loop stride is zero.
1517
 
1518
        * gcc.dg/graphite/id-16.c: New.
1519
 
1520
2009-10-06  Sebastian Pop  
1521
 
1522
        * graphite-dependences.c (reduction_dr_1): New.
1523
        (reduction_dr_p): New.
1524
        (graphite_legal_transform_dr): Call reduction_dr_p.
1525
        (reduction_ddr): Renamed reduction_ddr_p.
1526
        * graphite-poly.h (same_pdr_p): New.
1527
        (number_of_write_pdrs): New.
1528
        * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
1529
        (split_reduction_stmt): Do not split reduction statements
1530
        when there are no writes to memory.
1531
        (translate_scalar_reduction_to_array_for_stmt): Insert the
1532
        memory reduction statement just after the scalar reduction statement.
1533
 
1534
        * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
1535
        Un-XFAIL-ed.
1536
        * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
1537
        * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
1538
 
1539
2009-10-06  Sebastian Pop  
1540
 
1541
        * graphite-interchange.c (lst_apply_interchange): New.
1542
        (lst_interchange_profitable_p): New.
1543
        (lst_try_interchange_loops): New.
1544
        (lst_try_interchange): New.
1545
        (lst_do_interchange): New.
1546
        (pbb_do_interchange): Removed.
1547
        (scop_do_interchange): Call lst_do_interchange.
1548
 
1549
2009-10-06  Sebastian Pop  
1550
 
1551
        * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
1552
        SCOP_TRANSFORMED_SCHEDULE.
1553
        (loop_to_lst): New.
1554
        (scop_to_lst): New.
1555
        (print_lst): New.
1556
        (debug_lst): New.
1557
        * graphite-poly.h (lst_p): New.
1558
        (struct lst): New.
1559
        (LST_LOOP_P): New.
1560
        (LST_LOOP_FATHER): New.
1561
        (LST_PBB): New.
1562
        (LST_SEQ): New.
1563
        (scop_to_lst): Declared.
1564
        (print_lst): Declared.
1565
        (debug_lst): Declared.
1566
        (new_lst_loop): New.
1567
        (new_lst_stmt): New.
1568
        (copy_lst): New.
1569
        (lst_depth): New.
1570
        (lst_dewey_number): New.
1571
        (struct scop): Add original_schedule and transformed_schedule fields.
1572
        (SCOP_ORIGINAL_SCHEDULE): New.
1573
        (SCOP_TRANSFORMED_SCHEDULE): New.
1574
        * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
1575
 
1576
2009-10-05  Sebastian Pop  
1577
 
1578
        * graphite-dependences.c (reduction_ddr): New.
1579
        (graphite_legal_transform_bb): Call reduction_ddr.
1580
        * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
1581
        Initialize PBB_IS_REDUCTION.
1582
        * graphite-poly.h (struct poly_bb): New bool field is_reduction.
1583
        (PBB_IS_REDUCTION): New.
1584
        (new_poly_bb): Update declaration.
1585
        * graphite-scop-detection.h (build_scop_bbs): Removed.
1586
        (nb_reductions_in_loop): Removed.
1587
        * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
1588
        parameter for reductions.
1589
        (try_generate_gimple_bb): Update call to new_poly_bb.
1590
        (build_scop_bbs_1): Same.
1591
        (build_scop_bbs): Same.
1592
        (gsi_for_phi_node): New.
1593
        (scalar_close_phi_node_p): Remove gcc_assert.
1594
        (split_reduction_stmt): New.
1595
        (is_reduction_operation_p): New.
1596
        (phi_contains_arg): New.
1597
        (follow_ssa_with_commutative_ops): New.
1598
        (detect_commutative_reduction_arg): New.
1599
        (detect_commutative_reduction_assign): New.
1600
        (follow_inital_value_to_phi): New.
1601
        (edge_initial_value_for_loop_phi): New.
1602
        (initial_value_for_loop_phi): New.
1603
        (detect_commutative_reduction): New.
1604
        (translate_scalar_reduction_to_array_for_stmt): New.
1605
        (insert_copyout): New.
1606
        (insert_copyin): New.
1607
        (translate_scalar_reduction_to_array): New.
1608
        (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
1609
        (rewrite_commutative_reductions_out_of_ssa_loop): New.
1610
        (rewrite_commutative_reductions_out_of_ssa): New.
1611
        (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
1612
        * sese.h (split_region_for_bb): New.
1613
 
1614
        * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
1615
        * gcc.dg/graphite/interchange-1.c: Fix format.
1616
        * gcc.dg/graphite/interchange-10.c: New.
1617
 
1618
2009-10-05  Sebastian Pop  
1619
 
1620
        * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
1621
        buggy assert.
1622
 
1623
2009-10-05  Sebastian Pop  
1624
 
1625
        * graphite-sese-to-poly.c (scev_analyzable_p): New.
1626
        (rewrite_cross_bb_scalar_dependence): New.
1627
        (rewrite_cross_bb_scalar_deps): New.
1628
        (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
1629
        Call rewrite_cross_bb_scalar_deps.
1630
 
1631
2009-10-05  Sebastian Pop  
1632
 
1633
        * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
1634
        (insert_out_of_ssa_copy): Directly use gsi_after_labels and
1635
        gsi_for_stmt.
1636
 
1637
2009-10-05  Sebastian Pop  
1638
 
1639
        * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
1640
        * graphite-interchange.c (pbb_do_interchange): Same.
1641
        * graphite-poly.c (print_scattering_function): Same.
1642
        (debug_pdrs): Same.
1643
        * graphite-poly.h (pbb_loop): New.
1644
        * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
1645
 
1646
2009-09-27  Sebastian Pop  
1647
 
1648
        * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
1649
 
1650
2009-09-27  Sebastian Pop  
1651
 
1652
        * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
1653
        so don't pass a pointer to it.
1654
        (build_alias_set_for_drs): Same.
1655
        (build_base_obj_set_for_drs): Same.
1656
        (build_scop_drs): Same.
1657
 
1658
2009-09-26  Li Feng  
1659
 
1660
        * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
1661
        the alias graph of data references.
1662
 
1663
2009-09-25  Li Feng  
1664
 
1665
        * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
1666
        (build_scop_drs): When debugging, write the alias graph to file,
1667
        otherwise, should be disabled.
1668
 
1669
2009-09-17  Sebastian Pop  
1670
 
1671
        * Merge from mainline (151310:151361).
1672
 
1673
2009-09-17  Sebastian Pop  
1674
 
1675
        * Merge from mainline (151171:151310).
1676
 
1677
2009-09-17  Sebastian Pop  
1678
 
1679
        * Merge from mainline (151171:151806).
1680
 
1681
2009-09-17  Sebastian Pop  
1682
 
1683
        * Revert the last commit.
1684
 
1685
2009-09-17  Sebastian Pop  
1686
 
1687
        * Merge from mainline (151171:151819).
1688
 
1689
2009-09-17  Sebastian Pop  
1690
 
1691
        * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
1692
        (is_simple_operand): Remove call to stmt_simple_memref_p.
1693
        (stmt_simple_for_scop_p): Update call to is_simple_operand.
1694
 
1695
2009-09-17  David Edelsohn  
1696
 
1697
        * gcc.dg/graphite/interchange-mvt.c: New File.
1698
        * gcc.dg/graphite/scop-dsyrk.c: New File.
1699
        * gcc.dg/graphite/scop-dsyr2k.c: New File.
1700
        * gcc.dg/graphite/scop-mvt.c: New File.
1701
        * gcc.dg/graphite/scop-sor.c: New File.
1702
 
1703
2009-09-17 Li Feng  
1704
 
1705
        * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
1706
        (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
1707
        (graphite_carried_dependence_level_k): Ditto.
1708
        * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
1709
        * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
1710
        (new_poly_dr): Adjust declaration.
1711
        * graphite-sese-to-poly.c (free_data_refs_aux): New.
1712
        (free_gimple_bb): Added free_data_refs_aux.
1713
        (build_poly_dr): Add dr_base_object_set.
1714
        (partition_drs_to_sets): New.
1715
        (dr_same_base_object_p): New.
1716
        (build_alias_set_for_drs): New.
1717
        (build_base_object_set_for_drs): New.
1718
        (build_scop_drs): Add build_base_obj_set_for_drs.
1719
        * graphite-sese-to-poly.h: Added #define for alias set number index and
1720
        base object set index.
1721
        * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
1722
        * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
1723
 
1724
2009-09-16  Alexander Monakov  
1725
 
1726
        * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1727
        for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1728
 
1729
2009-09-14  Sebastian Pop  
1730
 
1731
        * graphite-sese-to-poly.c (struct irp_data): Removed.
1732
        (idx_record_params): Removed.
1733
        (find_params_in_bb): Scan for parameters the access functions; don't
1734
        parse the tree representation.
1735
 
1736
2009-09-14  Sebastian Pop  
1737
 
1738
        * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
1739
        passes at -O1 and below.
1740
 
1741
2009-09-14  Sebastian Pop  
1742
 
1743
        * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
1744
        tree-scalar-evolution.h, and then tree-data-ref.h.
1745
        * graphite-clast-to-gimple.c: Same.
1746
        * graphite-dependences.c: Same.
1747
        * graphite-interchange.c: Same.
1748
        * graphite-poly.c: Same.
1749
        * graphite-scop-detection.c: Same.
1750
        * graphite-sese-to-poly.c: Same.
1751
        * graphite.c: Same.
1752
        * lambda-code.c: Same.
1753
        * matrix-reorg.c: Same.
1754
        * tree-data-ref.c: Same.
1755
        * tree-if-conv.c: Same.
1756
        * tree-loop-distribu: Same.: Same.
1757
        * tree-loop-linear.c: Same.
1758
        * tree-parloops.c: Same.
1759
        * tree-predcom.c: Same.
1760
        * tree-vect-patterns.c: Same.
1761
 
1762
2009-09-02  Sebastian Pop  
1763
 
1764
        Partially revert the previous patch, except the following.
1765
        * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
1766
        as parameters the operands of the not expression.
1767
 
1768
2009-09-01  Sebastian Pop  
1769
 
1770
        * tree-scalar-evolution.c (instantiate_scev_assign): New.
1771
        Do not call analyze_scalar_evolution on assignments.
1772
        (instantiate_scev_phi): Call analyze_scalar_evolution.
1773
        (instantiate_scev_name): Call instantiate_scev_assign and
1774
        instantiate_scev_phi.
1775
        (instantiate_scev_not): Adapted to pass as parameters the operands
1776
        of the not expression.
1777
 
1778
2009-09-01  Sebastian Pop  
1779
 
1780
        * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
1781
        to pass as parameters the operands of the binary expression.
1782
 
1783
2009-09-01  Sebastian Pop  
1784
 
1785
        * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
1786
        instantiate_scev_not.  Handle NEGATE_EXPR.
1787
        (instantiate_scev_r): Handle NEGATE_EXPR.
1788
 
1789
2009-09-01  Sebastian Pop  
1790
 
1791
        * tree-scalar-evolution.c (instantiate_scev_1): Renamed
1792
        instantiate_scev_r.
1793
        (instantiate_scev_r): Move code in instantiate_scev_2
1794
        and instantiate_scev_1.
1795
 
1796
2009-09-01  Sebastian Pop  
1797
 
1798
        * tree-scalar-evolution.c (instantiate_scev_3): New.
1799
        (instantiate_scev_1): Move code in instantiate_scev_3.
1800
 
1801
2009-09-01  Sebastian Pop  
1802
 
1803
        * tree-scalar-evolution.c (instantiate_scev_poly): New.
1804
        (instantiate_scev_1): Move code in instantiate_scev_poly.
1805
 
1806
2009-09-01  Sebastian Pop  
1807
 
1808
        * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
1809
        (instantiate_scev_1): Move code in instantiate_scev_bitnot.
1810
 
1811
2009-09-01  Sebastian Pop  
1812
 
1813
        * tree-scalar-evolution.c (instantiate_scev_convert): New.
1814
        (instantiate_scev_1): Move code in instantiate_scev_convert.
1815
 
1816
2009-09-01  Sebastian Pop  
1817
 
1818
        * tree-scalar-evolution.c (instantiate_scev_binary): New.
1819
        (instantiate_scev_1): Move code in instantiate_scev_binary.
1820
 
1821
2009-09-01  Sebastian Pop  
1822
 
1823
        * tree-scalar-evolution.c (instantiate_scev_name): New.
1824
        (instantiate_scev_1): Move code in instantiate_scev_name.
1825
 
1826
2009-08-28  Sebastian Pop  
1827
 
1828
        * Merge from mainline (150992:151171).
1829
 
1830
2009-08-25  Sebastian Pop  
1831
 
1832
        * opts.c (decode_options): Enable flag_loop_interchange at -O2.
1833
 
1834
2009-08-25  Sebastian Pop  
1835
 
1836
        * graphite-dependences.c (graphite_legal_transform_bb): Call
1837
        pbb_remove_duplicate_pdrs.
1838
        * graphite-poly.c (can_collapse_pdr): Removed.
1839
        (pdr_find_duplicate): Removed.
1840
        (can_collapse_pdrs): New.
1841
        (pbb_remove_duplicate_pdrs): New.
1842
        (new_poly_dr): Do not look for duplicates.
1843
        * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
1844
        (PBB_PDR_DUPLICATES_REMOVED): New.
1845
        (pbb_remove_duplicate_pdrs): Declared.
1846
 
1847
2009-08-25  Sebastian Pop  
1848
 
1849
        * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
1850
        the strides by multiplying by PDR_NB_REFS.
1851
        * graphite-poly.c (can_collapse_pdr): New.
1852
        (pdr_find_duplicate): New.
1853
        (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
1854
        Initialize PDR_NB_REFS.
1855
        * graphite-poly.h (struct poly_dr): Add field nb_refs.
1856
        (PDR_NB_REFS): New.
1857
        (new_poly_dr): Number of subscripts is a graphite_dim_t.
1858
 
1859
2009-08-25  Sebastian Pop  
1860
 
1861
        Revert one of the previous commits:
1862
        * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1863
        the computation of symmetric data dependence relations.
1864
        (dependency_between_pbbs_p): Same.
1865
 
1866
2009-08-25  Sebastian Pop  
1867
 
1868
        PR middle-end/40965
1869
        * graphite-poly.c (apply_poly_transforms): Remove legality test before
1870
        any transform.
1871
 
1872
2009-08-25  Sebastian Pop  
1873
 
1874
        * graphite-dependences.c (pddr_original_scattering): Return NULL
1875
        for read-read dependence relations.
1876
        * graphite-poly.h (enum poly_dr_type): Fix comment.
1877
        (pdr_read_p): New.
1878
        (pdr_write_p): New.
1879
        (pdr_may_write_p): New.
1880
 
1881
2009-08-25  Sebastian Pop  
1882
 
1883
        * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
1884
        (struct poly_dr): Same.
1885
        (new_poly_dr): Same.
1886
        * graphite-poly.c (new_poly_dr): Same.
1887
 
1888
2009-08-25  Konrad Trifunovic  
1889
            Sebastian Pop  
1890
 
1891
        * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
1892
        pbb_strip_mine_time_depth.  Changed the implementation so that
1893
        transformation is expressed as a transformation on
1894
        time (scatttering) dimensions.  Also, ensures that the 2d+1
1895
        scheduling format is preserved.
1896
        (pbb_strip_mine_profitable_p): Profitability is based on the
1897
        iteration number of a given time (scattering) dimension,
1898
        and not on a original loop depth dimension.
1899
        (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
1900
        (pbb_do_strip_mine): Call psct_dynamic_dim.
1901
        * graphite-poly.c (pbb_number_of_iterations_at_time): New.
1902
        * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
1903
        (pbb_nb_dynamic_scattering_transform): New.
1904
        (psct_dynamic_dim): New.
1905
 
1906
2009-08-25  Konrad Trifunovic  
1907
 
1908
        * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1909
        * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1910
        * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
1911
        * graphite-interchange.c (build_linearized_memory_access): Same.
1912
        (memory_stride_in_loop): Same.
1913
 
1914
2009-08-25  Sebastian Pop  
1915
 
1916
        * graphite-dependences.c (pddr_original_scattering): New.
1917
        (graphite_legal_transform_dr): Call pddr_original_scattering.
1918
        (dot_deps_1): New.
1919
        (dot_deps): New.
1920
        * graphite-dependences.h (dot_deps): Declared.
1921
        * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
1922
        (print_pdr): Print PDR_ID.
1923
        * graphite-poly.h (struct poly_dr): Add field id.
1924
        (PDR_ID): New.
1925
        (pbb_index): New.
1926
        * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
1927
 
1928
2009-08-22  Sebastian Pop  
1929
 
1930
        * graphite-dependences.c (graphite_carried_dependence_level_k): Do
1931
        not delete the original dependence relation.
1932
 
1933
2009-08-21  Sebastian Pop  
1934
 
1935
        * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1936
        the computation of symmetric data dependence relations.
1937
        (dependency_between_pbbs_p): Same.
1938
 
1939
2009-08-21  Sebastian Pop  
1940
 
1941
        * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
1942
        (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
1943
        (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
1944
        (free_poly_ddr): New.
1945
        (pddr_is_empty): New.
1946
        (dependence_polyhedron_1): Now returns a poly_ddr_p.
1947
        (dependence_polyhedron): Same.  Remove useless gcc_assert.
1948
        Remove fprintfs.
1949
        (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
1950
        (graphite_carried_dependence_level_k): Call pddr_is_empty.
1951
        * graphite-dependences.h (enum poly_dependence_kind): New.
1952
        (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
1953
        (PDRP_SOURCE): Renamed PDDR_SOURCE.
1954
        (PDRP_SINK): Renamed PDDR_SINK.
1955
        (PDRP_DDP): Renamed PDDR_DDP.
1956
        (PDDR_KIND): New.
1957
        (free_poly_ddr): Declared.
1958
        * graphite-poly.c (new_scop): Use the new hash function names.
1959
        * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
1960
        into original_pddrs.
1961
        (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
1962
 
1963
2009-08-21  Sebastian Pop  
1964
 
1965
        * Merge from mainline (150764:150992).
1966
 
1967
2009-08-18  Sebastian Pop  
1968
 
1969
        * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
1970
        bounds with LT_EXPR to make niter analysis more precise on code
1971
        generated by Graphite.
1972
 
1973
2009-08-18  Sebastian Pop  
1974
 
1975
        * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
1976
        (graphite_legal_transform_bb): Same.
1977
        (poly_drs_may_alias_p): Same.
1978
 
1979
2009-08-15  Sebastian Pop  
1980
 
1981
        PR middle-end/40981
1982
        * graphite-ppl.c (ppl_max_for_le): Correct the use of
1983
        ppl_Pointset_Powerset_C_Polyhedron_maximize.
1984
 
1985
2009-08-13  Sebastian Pop  
1986
 
1987
        * graphite-poly.c (print_pbb): Print PBB index.
1988
 
1989
2009-08-13  Sebastian Pop  
1990
 
1991
        * Merge from mainline (r150672:150764).
1992
 
1993
2009-08-13  Sebastian Pop  
1994
 
1995
        * graphite-interchange.c (ppl_max_for_le): Moved...
1996
        * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
1997
        * graphite-ppl.c (ppl_max_for_le): ... here.
1998
        * graphite-ppl.h (ppl_max_for_le): Declared.
1999
 
2000
2009-08-12  Sebastian Pop  
2001
 
2002
        * Merge from mainline (r150372:150672).
2003
 
2004
2009-08-11  Sebastian Pop  
2005
 
2006
        PR middle-end/40980
2007
        * sese.c (convert_for_phi_arg): New.
2008
        (add_guard_exit_phis): Use convert_for_phi_arg.
2009
 
2010
        * gfortran.dg/graphite/id-17.f: New.
2011
 
2012
2009-08-11  Sebastian Pop  
2013
 
2014
        * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
2015
        unknown subscript upper bounds.
2016
 
2017
        * gcc.dg/graphite/interchange-6.c: Un-XFAIL.
2018
 
2019
2009-08-11  Sebastian Pop  
2020
            Pranav Garg  
2021
 
2022
        * graphite-interchange.c (gather_access_strides): Removed.
2023
        (ppl_max_for_le): New.
2024
        (build_linearized_memory_access): New.
2025
        (memory_stride_in_loop): New.
2026
        (pbb_interchange_profitable_p): Reimplemented.
2027
        * graphite-ppl.h (ppl_new_id_map): New.
2028
        (ppl_interchange): New.
2029
 
2030
        * gcc.dg/graphite/interchange-6.c: XFAILed.
2031
 
2032
2009-08-11  Sebastian Pop  
2033
 
2034
        * graphite-interchange.c (compute_subscript): Removed.
2035
        (compute_array_size_cstr): Removed.
2036
        (compute_array_size_poly): Removed.
2037
        (compute_array_size): Removed.
2038
        (gather_access_strides_poly): Removed.
2039
        (gather_access_strides): Empty.
2040
 
2041
2009-08-11  Sebastian Pop  
2042
 
2043
        * graphite-dependences.c (dependence_polyhedron_1): Replace
2044
        pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
2045
        (graphite_legal_transform_dr): Same.
2046
        (graphite_carried_dependence_level_k): Same.
2047
        * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
2048
        Initialize PDR_NB_SUBSCRIPTS.
2049
        (print_pdr_access_layout): Replace pdr_nb_subscripts with
2050
        PDR_NB_SUBSCRIPTS.
2051
        * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
2052
        (PDR_NB_SUBSCRIPTS): New.
2053
        (pdr_nb_subscripts): Removed.
2054
        (pdr_dim): Simplified.
2055
        * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
2056
        with PDR_NB_SUBSCRIPTS.
2057
 
2058
2009-08-11  Sebastian Pop  
2059
 
2060
        * graphite-interchange.c (compute_array_size): Remove use of
2061
        PDR_DATA_CONTAINER.
2062
        * graphite-poly.c (new_poly_dr): Remove argument data_container.
2063
        Do not initialize PDR_DATA_CONTAINER.
2064
        (print_pdr): Do not print PDR_DATA_CONTAINER.
2065
        * graphite-poly.h (struct poly_dr): Remove data_container field.
2066
        (PDR_DATA_CONTAINER): Removed.
2067
        * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
2068
        PDR_DATA_CONTAINER.
2069
        (build_poly_dr): Same.
2070
 
2071
2009-08-11  Sebastian Pop  
2072
 
2073
        * gcc.dg/graphite/interchange-9.c: New.
2074
 
2075
2009-08-05  Konrad Trifunovic  
2076
            Sebastian Pop  
2077
 
2078
        * graphite-dependences.c (graphite_legal_transform_dr): Work on a
2079
        copy of the dependence polyhedron.  Free the temporary objects.
2080
        (graphite_carried_dependence_level_k): Free unused objects before
2081
        returning.
2082
 
2083
        * gcc.dg/graphite/interchange-1.c: XFAILed.
2084
        * gcc.dg/graphite/interchange-2.c: XFAILed.
2085
        * gcc.dg/graphite/interchange-3.c: XFAILed.
2086
        * gcc.dg/graphite/interchange-4.c: XFAILed.
2087
        * gcc.dg/graphite/interchange-7.c: XFAILed.
2088
 
2089
2009-08-05  Sebastian Pop  
2090
 
2091
        * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
2092
        Early return without analyzing the data dependences if no
2093
        transform has been done.  Call restore_scattering if the transform
2094
        is not legal.
2095
        (graphite-interchange.c): Same.
2096
        * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
2097
        (graphite_read_transforms): Initialize PBB_TRANSFORMED.
2098
        (apply_poly_transforms): Do not gcc_assert that
2099
        the transform is legal.
2100
        (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
2101
        Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
2102
        PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
2103
        (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
2104
        * graphite-poly.h (struct poly_scattering): New.
2105
        (struct poly_bb): Add original, transformed, and saved fields.
2106
        Remove transformed_scattering, original_scattering, nb_local_variables,
2107
        and nb_scattering_transform fields.
2108
        (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
2109
        (poly_scattering_new): New.
2110
        (poly_scattering_free): New.
2111
        (poly_scattering_copy): New.
2112
        (store_scattering_pbb): New.
2113
        (store_scattering): New.
2114
        (restore_scattering_pbb): New.
2115
        (restore_scattering): New.
2116
        * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2117
        Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
2118
 
2119
2009-08-05  Sebastian Pop  
2120
 
2121
        * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
2122
        (print_scop): Same.
2123
 
2124
2009-08-05  Sebastian Pop  
2125
 
2126
        * Makefile.in (graphite.o): Depends on PREDICT_H.
2127
        * graphite.c: Include predict.h.
2128
        (graphite_finalize): Call tree_estimate_probability.
2129
        * predict.c (predict_loops): Do not call scev_initialize and
2130
        scev_finalize.
2131
        (tree_estimate_probability_bb): New.
2132
        (tree_estimate_probability): Do not initialize loops: move that
2133
        code to the driver.  Call tree_estimate_probability_bb.
2134
        (tree_estimate_probability_driver): New.
2135
        (pass_profile): Use tree_estimate_probability_driver.
2136
        * predict.h (tree_estimate_probability): Declared.
2137
 
2138
2009-08-05  Sebastian Pop  
2139
 
2140
        * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
2141
        * graphite-dependences.c (graphite_legal_transform): Add time to
2142
        TV_GRAPHITE_DATA_DEPS.
2143
        (dependency_between_pbbs_p): Same.
2144
        * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
2145
 
2146
2009-08-03  Sebastian Pop  
2147
 
2148
        * Merge from mainline (r149952:150372).
2149
 
2150
2009-07-28  Sebastian Pop  
2151
 
2152
        * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
2153
        * graphite-blocking.c: Same.
2154
        * graphite-clast-to-gimple.c: Same.
2155
        * graphite-dependences.c: Same.
2156
        * graphite-poly.c: Same.
2157
        * graphite-poly.h: Same.
2158
        * graphite-ppl.c: Same.
2159
        * graphite-scop-detection.c: Same.
2160
        * graphite-sese-to-poly.c: Same.
2161
        * graphite.c: Same.
2162
 
2163
2009-07-28  Sebastian Pop  
2164
 
2165
        * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
2166
        (remove_simple_copy_phi): New.
2167
        (remove_invariant_phi): New.
2168
        (simple_copy_phi_p): New.
2169
        (reduction_phi_p): New.
2170
        (gsi_for_ssa_name_def): New.
2171
        (insert_out_of_ssa_copy): New.
2172
        (insert_out_of_ssa_copy_on_edge): New.
2173
        (create_zero_dim_array): New.
2174
        (scalar_close_phi_node_p): New.
2175
        (rewrite_close_phi_out_of_ssa): New.
2176
        (rewrite_phi_out_of_ssa): New.
2177
        (rewrite_reductions_out_of_ssa): New.
2178
        (build_poly_scop): Call rewrite_reductions_out_of_ssa.
2179
 
2180
        * gcc.dg/graphite/id-11.c: New.
2181
        * gcc.dg/graphite/id-15.c: New.
2182
        * gcc.dg/graphite/interchange-1.c: Un-XFAIL.
2183
        * gcc.dg/graphite/interchange-2.c: Un-XFAIL.
2184
        * gcc.dg/graphite/interchange-3.c: Un-XFAIL.
2185
        * gcc.dg/graphite/interchange-4.c: Un-XFAIL.
2186
        * gcc.dg/graphite/interchange-7.c: Un-XFAIL.
2187
        * gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
2188
        * gfortran.dg/graphite/id-13.f: New.
2189
        * gfortran.dg/graphite/id-5.f: New.
2190
 
2191
2009-07-28  Sebastian Pop  
2192
 
2193
        * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
2194
        check that nb_reductions_in_loop is zero.
2195
        * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
2196
        reduction phi nodes.
2197
        (nb_reductions_in_loop): Removed.
2198
        (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
2199
        * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
2200
        (bb_contains_non_iv_scalar_phi_nodes): Removed.
2201
        (scop_contains_non_iv_scalar_phi_nodes): Removed.
2202
        (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
2203
 
2204
2009-07-28  Sebastian Pop  
2205
 
2206
        * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
2207
        statements that have an empty iteration domain.
2208
        * gfortran.dg/graphite/id-16.f: New.
2209
 
2210
2009-07-28  Sebastian Pop  
2211
 
2212
        * tree-scalar-evolution.c (instantiate_scev_1): Return
2213
        chrec_dont_know when the result is not above instantiate_below.
2214
        * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
2215
        * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
2216
        the tree has a known scalar evolution.
2217
        * gfortran.dg/graphite/id-14.f: New.
2218
        * gfortran.dg/graphite/id-15.f: New.
2219
 
2220
2009-07-28  Sebastian Pop  
2221
 
2222
        * sese.c (rename_variables_in_stmt): Pass in an extra parameter
2223
        insert_gsi.
2224
        (rename_variables): Keep inserting renames after the ones already
2225
        inserted.
2226
 
2227
2009-07-28  Sebastian Pop  
2228
 
2229
        * graphite-sese-to-poly.c (compare_bb_depths): New.
2230
        (graphite_sort_dominated_info): New.
2231
        (build_scop_bbs_1): Call graphite_sort_dominated_info.
2232
        (build_scop_scattering): Fix comment.
2233
 
2234
2009-07-28  Sebastian Pop  
2235
 
2236
        * graphite.c (graphite_finalize): Call print_loops instead of
2237
        dump_function_to_file.
2238
        * gcc.dg/graphite/graphite.exp: Fix formatting.
2239
        * gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
2240
        loops generated in the graphite output file.
2241
        * gcc.dg/graphite/pr35356-2.c: New.
2242
        * gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
2243
        * gfortran.dg/graphite/id-12.f: New.
2244
 
2245
2009-07-24  Li Feng  
2246
 
2247
        * gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
2248
        Remove 2 XFAIL.
2249
 
2250
2009-07-24  Li Feng  
2251
            Tobias Grosser  
2252
 
2253
        * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
2254
        alias set number build alias in ACCESSES polyhedron.
2255
        (build_alias_set_for_drs): New.
2256
        (build_pbb_drs): Added build_alias_set_for_drs.
2257
        * graphite-dependences.c (poly_drs_may_alias_p): New.
2258
        (graphite_carried_dependence_level_k): Check alias information
2259
        before building polyhedron.
2260
 
2261
2009-07-24  Tobias Grosser  
2262
 
2263
        * Makefile.in (lambda-code.o): Fix formatting.
2264
 
2265
2009-07-24  Tobias Grosser  
2266
 
2267
        * Merge from mainline (r149350-149952)
2268
 
2269
2009-07-18  Tobias Grosser  
2270
 
2271
        * graphite-poly.c (apply_poly_transforms): Move strip_mine
2272
        before interchange to prepare for loop blocking.
2273
 
2274
2009-07-18  Tobias Grosser  
2275
 
2276
        * graphite-poly.c (apply_poly_transforms): Add checks after every
2277
        transformation.
2278
        * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
2279
        done in apply_poly_transforms.
2280
 
2281
2009-07-17  Konrad Trifunovic  
2282
 
2283
        * graphite-dependences.c (build_lexicographically_gt_constraint):
2284
        Replace RES parameter with *RES.
2285
        (dependence_polyhedron_1): Pass an address of the parameter RES
2286
        instead of value of RES.
2287
 
2288
2009-07-16  Sebastian Pop  
2289
 
2290
        * graphite.c (graphite_finalize): Fix comment.
2291
        (graphite_transform_loops): Reset scev info after code generation
2292
        of each scop.
2293
 
2294
2009-07-16  Sebastian Pop  
2295
 
2296
        * graphite.c (graphite_finalize): Call scev_reset.
2297
 
2298
2009-07-16  Sebastian Pop  
2299
 
2300
        * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
2301
        GBB_CLOOG_IV_TYPES hash table twice.
2302
        * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
2303
        (add_condition_to_domain): Clear GMP values.
2304
 
2305
2009-07-16  Sebastian Pop  
2306
 
2307
        * graphite-dependences.c: Fix formatting.
2308
        * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
2309
        (pbb_number_of_iterations): Free ppl_Linear_Expression.
2310
        * graphite-sese-to-poly.c: Fix formatting.
2311
        * graphite.c (graphite_transform_loops): Create the hash table
2312
        after the early return.
2313
 
2314
2009-07-16  Sebastian Pop  
2315
 
2316
        * gcc.dg/graphite/id-14.c: New.
2317
        * gcc.dg/graphite/pr40157.c: New.
2318
        * gfortran.dg/graphite/id-11.f: New.
2319
 
2320
2009-07-16  Sebastian Pop  
2321
 
2322
        * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
2323
        (build_poly_scop): Return false when there are no pbbs within
2324
        loops to avoid to pass to cloog scops with no loops.
2325
 
2326
2009-07-16  Sebastian Pop  
2327
 
2328
        * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
2329
        useless test "i % 2".
2330
        (build_pbb_scattering_polyhedrons): Fix formatting.
2331
        (build_poly_dr): Same.
2332
        * graphite.c (graphite_transform_loops): Restructure.
2333
 
2334
2009-07-14  Razya Ladelsky  
2335
 
2336
        * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
2337
        reduction_list parameter.
2338
        (rewrite_all_phi_nodes_with_iv): Same.
2339
        (canonicalize_loop_ivs): Same.
2340
        * tree-parloops.c (struct brli): Removed.
2341
        (build_reduction_list_info): Removed.
2342
        (build_new_reduction): New.
2343
        (analyze_reduction_list): Removed.
2344
        (gather_scalar_reductions): Find reductions instead of phi
2345
        nodes that can't be canonicalized.
2346
        (try_create_reduction_list): Remove reduction_list parameter.
2347
        (gen_parallel_loop): Same.
2348
        (parallelize_loops): Remove analyze_reductions variable,
2349
        initialization and free.
2350
        Change reduction_list htab initialization to reduction_info
2351
        elements instead of ssa names.
2352
        Call try_create_reduction_list and gen_parallel_loop without
2353
        analyzed_reduction argument.
2354
        * graphite-clast-to-gimple (graphite_loop_normal_form): Call
2355
        canonicalize_loop_ivs with one less argument.
2356
        * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
2357
 
2358
2009-07-14  Konrad Trifunovic 
2359
 
2360
        * graphite-dependences.c (new_poly_dr_pair): New.
2361
        (dependence_polyhedron): Renamed into dependence_polyhedron_1.
2362
        (new_poly_dr_pair): New.
2363
        (eq_poly_dr_pair_p): New.
2364
        (hash_poly_dr_pair_p): New.
2365
        * graphite-dependences.h (struct poly_dr_pair): New.
2366
        (eq_poly_dr_pair_p): Declared.
2367
        (hash_poly_dr_pair_p): Declared.
2368
        * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
2369
        (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
2370
        * graphite-poly.h (struct scop): Add original_pdr_pairs field.
2371
        * Makefile.in (graphite-poly.o): Add dependence on
2372
        graphite-dependences.h.
2373
 
2374
2009-07-14  Sebastian Pop  
2375
 
2376
        * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
2377
        polynomials of degree > 1 pass to Graphite.
2378
        * tree-chrec.c (scev_is_linear_expression): Call
2379
        evolution_function_is_affine_multivariate_p.
2380
        * gfortran.dg/graphite/id-10.f90: New.
2381
 
2382
2009-07-14  Sebastian Pop  
2383
 
2384
        * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
2385
        Instantiate scevs varying in outer loops.
2386
        * gfortran.dg/graphite/id-9.f: Correct testcase.
2387
 
2388
2009-07-14  Sebastian Pop  
2389
 
2390
        * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
2391
        redundant constraint.
2392
 
2393
2009-07-14  Sebastian Pop  
2394
 
2395
        * gcc.dg/graphite/graphite.exp: Fix comments.
2396
        * gfortran.dg/graphite/graphite.exp: Trigger actions
2397
        based on the file names as in the C testsuite.
2398
        * gfortran.dg/graphite/block-1.f90: Fix patterns.
2399
        * gfortran.dg/graphite/block-2.f: Same.
2400
        * gfortran.dg/graphite/block-3.f90: Same.
2401
        * gfortran.dg/graphite/block-4.f90: Same.
2402
        * gfortran.dg/graphite/id-1.f90: Same.
2403
        * gfortran.dg/graphite/id-2.f90: Same.
2404
        * gfortran.dg/graphite/id-3.f90: Same.
2405
        * gfortran.dg/graphite/id-4.f90: Same.
2406
        * gfortran.dg/graphite/id-6.f: Same.
2407
        * gfortran.dg/graphite/id-9.f: Same.
2408
        * gfortran.dg/graphite/interchange-1.f: Same.
2409
        * gfortran.dg/graphite/interchange-2.f: Same.
2410
        * gfortran.dg/graphite/scop-1.f: Same.
2411
 
2412
2009-07-14  Sebastian Pop  
2413
 
2414
        * sese.c (expand_scalar_variables_call): New.
2415
        (expand_scalar_variables_ssa_name): Handle calls in expander.
2416
 
2417
2009-07-13  Sebastian Pop  
2418
 
2419
        * gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
2420
        Expect to see the pattern twice.
2421
        * gcc.dg/graphite/interchange-0.c: Un-XFAIL.
2422
        * gcc.dg/graphite/interchange-5.c: Same.
2423
        * gcc.dg/graphite/interchange-6.c: Same.
2424
 
2425
2009-07-13  Sebastian Pop  
2426
 
2427
        * gcc.dg/graphite/id-10.c: New.
2428
        * gcc.dg/graphite/id-12.c: New.
2429
        * gfortran.dg/graphite/id-7.f: New.
2430
        * gfortran.dg/graphite/id-8.f: New.
2431
 
2432
2009-07-13  Sebastian Pop  
2433
 
2434
        * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
2435
        zero.
2436
 
2437
2009-07-13  Sebastian Pop  
2438
 
2439
        * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
2440
 
2441
2009-07-13  Sebastian Pop  
2442
 
2443
        * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
2444
 
2445
2009-07-10  Sebastian Pop  
2446
 
2447
        * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
2448
        building PDR subscripts.
2449
 
2450
2009-07-10  Sebastian Pop  
2451
 
2452
        * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
2453
        computation of array sizes.
2454
 
2455
2009-07-10  Sebastian Pop  
2456
 
2457
        * graphite-sese-to-poly.c (add_param_constraints): Disabled.
2458
 
2459
2009-07-10  Tobias Grosser  
2460
 
2461
        * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
2462
        build_pairwise_constraint, dr_equality_constraints,
2463
        build_pairwise_scheduling_equality,
2464
        build_pairwise_scheduling_inequality, lexicographically_gt_p,
2465
        build_lexicographically_gt_constraint, dependence_polyhedron,
2466
        graphite_legal_transform_dr, graphite_carried_dependence_level_k):
2467
        Move from NNC_Polyhedron to C_Polyhedron.
2468
        * graphite-interchange.c (compute_array_size_poly,
2469
        gather_access_strides): Dito.
2470
        * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
2471
        free_scop, pbb_number_of_iterations): Dito.
2472
        * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
2473
        pbb_dim_iter_domain, struct scop): Dito.
2474
        * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
2475
        new_Cloog_Domain_from_ppl_Polyhedron,
2476
        new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
2477
        ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
2478
        ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
2479
        ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
2480
        debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
2481
        * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
2482
        new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
2483
        debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
2484
        * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
2485
        build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
2486
        add_condition_to_domain, add_condition_to_pbb, build_scop_context,
2487
        build_scop_iteration_domain, build_poly_dr): Dito
2488
 
2489
2009-07-09  Sebastian Pop  
2490
 
2491
        * gcc.dg/graphite/graphite.exp: Added a rule to execute
2492
        run-id-*.c files.
2493
        * gcc.dg/graphite/run-id-1.c: New.
2494
 
2495
2009-07-09  Sebastian Pop  
2496
 
2497
        * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
2498
        positivity constraint on the symbolic number of iterations.
2499
 
2500
2009-07-09  Sebastian Pop  
2501
 
2502
        * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
2503
 
2504
2009-07-09  Sebastian Pop  
2505
            Tobias Grosser  
2506
 
2507
        * graphite-clast-to-gimple.c (build_scop_context): Removed.
2508
        (build_cloog_prog): Directly use SCOP_CONTEXT.
2509
        * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
2510
        (free_scop): Free SCOP_CONTEXT.
2511
        (print_scop_context): New.
2512
        (print_scop): Call print_scop_context.
2513
        (debug_scop_context): New.
2514
        * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
2515
        (struct scop): Added field context.
2516
        (SCOP_CONTEXT): New.
2517
        * graphite-sese-to-poly.c (add_param_constraints): New.
2518
        (build_scop_context): New.
2519
        (build_poly_scop): Call build_scop_context.
2520
 
2521
2009-07-09  Sebastian Pop  
2522
 
2523
        * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
2524
        * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
2525
        (ppl_set_inhomogeneous, ppl_set_coef): Moved...
2526
        * graphite-ppl.h: Include double-int.h and tree.h.
2527
        (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
2528
        (ppl_set_inhomogeneous, ppl_set_coef): ...here.
2529
        (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
2530
        (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
2531
 
2532
2009-07-09  Sebastian Pop  
2533
 
2534
        * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
2535
        POINTER_PLUS_EXPR for pointer types.
2536
        (clast_to_gcc_expression): Same.
2537
 
2538
2009-07-09  Sebastian Pop  
2539
 
2540
        * graphite-poly.c (print_scattering_function): Early return when
2541
        PBB_TRANSFORMED_SCATTERING is not initialized.
2542
        (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
2543
 
2544
2009-07-08  Sebastian Pop  
2545
 
2546
        * tree-parloops.c (analyze_reduction_list): Remove unused variable
2547
        to fix bootstrap.
2548
 
2549
2009-07-08  Razya Ladelsky  
2550
 
2551
        * tree-parloops.c (analyze_reduction_list): Change return
2552
        value to void.
2553
        (try_create_reduction_list): Move the call to
2554
        analyze_reduction_list to the beginining.
2555
        Call reduction_phi with analyzed_reductions as argument
2556
        instead of reduction_list.
2557
 
2558
2009-07-08  Tobias Grosser  
2559
 
2560
        *  Merge from mainline (r148296:149346)
2561
 
2562
2009-07-07  Sebastian Pop  
2563
 
2564
        * graphite-scop-detection.c (graphite_can_represent_init): New.
2565
        (graphite_can_represent_scev): Call graphite_can_represent_init:
2566
        check that the initial value does not contain multiplications of
2567
        parameters.
2568
        (stmt_has_simple_data_refs_p): New.
2569
        (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
2570
        (is_simple_operand): Fix formatting.
2571
        * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
2572
 
2573
2009-07-07  Sebastian Pop  
2574
 
2575
        * gcc.dg/graphite/id-13.c: New.
2576
        * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
2577
        analyze_scalar_evolution, use scalar_evolution_in_region.
2578
        (scan_tree_for_params_right_scev): Add extra assert.
2579
        (parameter_index_in_region_1): Split from parameter_index_in_region.
2580
        (idx_record_params): Use scalar_evolution_in_region.
2581
        (find_params_in_bb): Same.
2582
        (find_scop_parameters): Same.
2583
        (build_loop_iteration_domains): Same.
2584
        (create_linear_expr_from_tree): Same.
2585
        * sese.c (scalar_evolution_in_region): New.
2586
        * sese.h (scalar_evolution_in_region): Declared.
2587
        (defined_in_sese_p): New.
2588
        * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
2589
        static anymore.
2590
        * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
2591
        Declared.
2592
 
2593
2009-07-07  Sebastian Pop  
2594
 
2595
        * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
2596
        TREE_DATA_REF_H also implies SCEV_H.
2597
 
2598
2009-07-07  Sebastian Pop  
2599
 
2600
        * graphite-poly.c (print_scop_params): New.
2601
        (print_scop): Call print_scop_params.
2602
        (debug_scop_params): New.
2603
        * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
2604
 
2605
2009-07-07  Li Feng  
2606
 
2607
        * gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
2608
        * gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
2609
        * gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
2610
        * gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
2611
        * gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
2612
        * gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
2613
 
2614
2009-07-07  Li Feng  
2615
 
2616
        * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
2617
        for dependency checking part.
2618
        * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
2619
        tests for dependency checking.
2620
        * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2621
        * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2622
        * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
2623
        flag -fdump-tree-graphite-all for autopar testsuites.
2624
 
2625
2009-07-06  Sebastian Pop  
2626
 
2627
        * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
2628
        * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
2629
        canonicalize_loop_ivs): Moved...
2630
        * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
2631
 
2632
2009-07-06  Sebastian Pop  
2633
 
2634
        * tree-parloops.c (try_create_reduction_list): Pass an extra
2635
        argument analyzed_reductions.  Call analyze_reduction_list.
2636
        (gen_parallel_loop): Do not call analyze_reduction_list.
2637
        (parallelize_loops): Init and finalize analyzed_reductions.
2638
 
2639
2009-07-06  Li Feng  
2640
 
2641
        * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2642
        Added flag -fno-loop-strip-mine for autopar testcase.
2643
 
2644
2009-07-04  Li Feng  
2645
 
2646
        * graphite-dependences.c (graphite_carried_dependence_level_k): Use
2647
        transformed scattering dimension instead of unmatch orignal when
2648
        calling dependence_polyhedron.
2649
 
2650
2009-06-30  Sebastian Pop  
2651
 
2652
        * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
2653
 
2654
2009-06-30  Sebastian Pop  
2655
 
2656
        * graphite-poly.c (pbb_number_of_iterations): Check for returned
2657
        value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
2658
 
2659
2009-06-30  Sebastian Pop  
2660
 
2661
        * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
2662
        (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
2663
        * graphite-poly.c (pbb_number_of_iterations): New.
2664
        * graphite-poly.h (pbb_number_of_iterations): Declared.
2665
        (pbb_iterator_dim, pbb_parameter_dim): New.
2666
 
2667
2009-06-29  Sebastian Pop  
2668
 
2669
        * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
2670
        last commit on type of lower and upper bound of loops.
2671
 
2672
2009-06-29  Li Feng  
2673
 
2674
        * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
2675
        graphite-dependences.h.
2676
        * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
2677
        (mark_bb_with_pbb): New.
2678
        (get_stmtfor_depth): New.
2679
        (find_pbb_via_hash): New.
2680
        (dependency_in_loop_p): New.
2681
        (mark_loops_parallel): New.
2682
        (free_aux_in_new_loops): New.
2683
        (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
2684
        bb with it's relevant pbb. Mark newly created loops.  Remove mark
2685
        innermost loop parallel without checking.
2686
        (gloog): Add parameter BB_PBB_MAPPING.
2687
        * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
2688
        (gloog): Change declaration.
2689
        (mark_loop_parallel): Make extern.
2690
        (free_aux_in_new_loops): Declare.
2691
        (bb_pbb_map_hash): New.
2692
        (eq_bb_pbb_map): New.
2693
        * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
2694
        auto parallelization when flag_graphite_force_parallel is set.
2695
        (graphite_finalize): Added free_aux_in_new_loops.
2696
        * tree-parloops.c (parallelize_loops): Only generate parallel code for
2697
        the innermost loop that marked parallel.  Use
2698
        flag_graphite_force_parallel instead of loop->can_be_parallel.
2699
        (loop_parallel_p): Move inner most checking out of function.
2700
 
2701
2009-06-26  Sebastian Pop  
2702
 
2703
        * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
2704
        type of lower and upper bound of loops signed long int.
2705
 
2706
2009-06-26  Sebastian Pop  
2707
 
2708
        * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
2709
        expression outside the loop.
2710
 
2711
2009-06-26  Sebastian Pop  
2712
 
2713
        * gcc.dg/graphite/interchange-8.c: New.
2714
 
2715
2009-06-26  Sebastian Pop  
2716
 
2717
        * gcc.dg/graphite/interchange-0.c: XFailed.
2718
        * gcc.dg/graphite/interchange-5.c: XFailed.
2719
        * gcc.dg/graphite/interchange-6.c: XFailed.
2720
 
2721
2009-06-26  Sebastian Pop  
2722
 
2723
        * graphite-interchange.c (compute_array_size_poly): The end of the
2724
        recursion should return 1.
2725
 
2726
2009-06-26  Sebastian Pop  
2727
 
2728
        * graphite-interchange.c (compute_array_size_cstr): Allow the
2729
        subscript multiplier to be -1.
2730
        (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
2731
        * graphite-poly.c (new_poly_dr): Takes an extra argument for the
2732
        data_container.  Initializes PDR_DATA_CONTAINER.
2733
        (print_pdr_access_layout): New.
2734
        (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
2735
        * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
2736
        data_container.
2737
        (PDR_DATA_CONTAINER): New.
2738
        (new_poly_dr): Update declaration.
2739
        * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
2740
        (build_poly_dr): Call pdr_add_data_dimensions.
2741
 
2742
2009-06-26  Sebastian Pop  
2743
 
2744
        * graphite-poly.h (struct poly_dr): Fix comment.
2745
        * graphite-sese-to-poly.c (pdr_add_alias_set): New.
2746
        (pdr_add_memory_accesses): New.
2747
        (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
2748
 
2749
2009-06-26  Sebastian Pop  
2750
 
2751
        * graphite-poly.c (print_pdrs, debug_pdrs): New.
2752
        (print_pbb): Add call to print_pdrs.
2753
        * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
2754
 
2755
2009-06-24  Konrad Trifunovic 
2756
            Li Feng 
2757
 
2758
        * graphite-dependences.c (graphite_carried_dependence_level_k): New.
2759
        (dependency_between_pbbs_p): New.
2760
        (lexicographically_gt_p): Assure !empty_p before polyhedron
2761
        intersection assign.
2762
        (build_lexicographically_gt_constraint): Correct lexicographically
2763
        judging.
2764
        * graphite-dependences.h: New.
2765
        * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
2766
 
2767
2009-06-24  Sebastian Pop  
2768
 
2769
        * graphite-clast-to-gimple.c (print_clast_stmt): New.
2770
        (gloog): Print to dump_file the generated clast.
2771
        * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
2772
        * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
2773
 
2774
2009-06-24  Sebastian Pop  
2775
 
2776
        * graphite-poly.c (extend_scattering): Increment
2777
        PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
2778
 
2779
2009-06-24  Sebastian Pop  
2780
 
2781
        * graphite-interchange.c (compute_array_size_poly): Added exit of
2782
        recursion condition.  Continue iterating even after the first equality.
2783
        (compute_array_size): Same.
2784
 
2785
2009-06-24  Li Feng  
2786
 
2787
        * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
2788
        -fdump-tree-final_cleanup to -fdump-tree-optimized.
2789
        * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2790
        * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2791
        * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
2792
 
2793
2009-06-23  Sebastian Pop  
2794
 
2795
        * sese.c (expand_scalar_variables_stmt): Expand scalar variables
2796
        only when the use verifies is_gimple_reg.
2797
 
2798
2009-06-23  Sebastian Pop  
2799
 
2800
        * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
2801
        Allocate scaldims after call to unify_scattering_dimensions.
2802
 
2803
2009-06-23  Sebastian Pop  
2804
 
2805
        * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
2806
 
2807
2009-06-23  Sebastian Pop  
2808
            Albert Cohen  
2809
 
2810
        * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
2811
        variables for the strip mining.
2812
 
2813
2009-06-23  Sebastian Pop  
2814
            Pranav Garg  
2815
 
2816
        * Makefile.in (OBJS-common): Added graphite-blocking.o.
2817
        (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
2818
        (graphite-blocking.o): New rule.
2819
        (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
2820
        * graphite-blocking.c: New.
2821
        * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
2822
        flag_loop_strip_mine.
2823
        (psct_scattering_dim_for_loop_depth): New.
2824
        * graphite-poly.h (scop_do_strip_mine): Declared.
2825
        (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
2826
        * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
2827
        flag_loop_strip_mine.
2828
 
2829
2009-06-23  Sebastian Pop  
2830
 
2831
        * graphite-poly.c (extend_scattering): Avoid initializing and freeing
2832
        a GMP value and a PPL coefficient at each iteration of a loop.
2833
 
2834
2009-06-23  Sebastian Pop  
2835
 
2836
        * graphite-dependences.c (dependence_polyhedron): Do not use
2837
        pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
2838
        pbb_nb_scattering_transform.
2839
        (graphite_legal_transform_dr): Same.
2840
        * graphite-poly.c (extend_scattering): Same.
2841
        (unify_scattering_dimensions): Same.
2842
        (print_scattering_function): Same.
2843
        (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
2844
        PBB_NB_LOCAL_VARIABLES.
2845
        * graphite-poly.h (pbb_nb_scattering): Removed declaration.
2846
        (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
2847
        (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
2848
        (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
2849
        (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
2850
        (pbb_nb_scattering_transform): New.
2851
        (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
2852
        (psco_scattering_dim): Add assert on parameters.
2853
        (psct_scattering_dim): Same.
2854
        (psct_scattering_dim_for_loop_depth): Declared.
2855
        (psct_local_var_dim): New.
2856
        (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
2857
        (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
2858
        correct layout, call pbb_nb_local_vars.
2859
        (psct_add_local_variable, psct_add_scattering_dimension): New.
2860
        * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2861
        Initialize PBB_NB_SCATTERING_TRANSFORM.
2862
 
2863
2009-06-23  Sebastian Pop  
2864
 
2865
        * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
2866
        (set_coef): Renamed ppl_set_coef.
2867
        * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
2868
 
2869
2009-06-23  Sebastian Pop  
2870
 
2871
        * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
2872
        test a boolean against 1.
2873
        * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
2874
        a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
2875
        (pbb_do_interchange): Returns true when a transform has been performed.
2876
        (scop_do_interchange): Same.
2877
        * graphite-poly.c (apply_poly_transforms): Use the return value of
2878
        scop_do_interchange.
2879
        * graphite-poly.h (scop_do_interchange): Update declaration.
2880
 
2881
2009-06-23  Tobias Grosser  
2882
 
2883
        * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
2884
        after last use.
2885
        * sese.c (sese_reset_aux_in_loops): New.
2886
        * sese.h (sese_reset_aux_in_loops): New.
2887
 
2888
2009-06-19  Sebastian Pop  
2889
 
2890
        * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
2891
        multiplier and multiply the constant by the multiplier.
2892
        (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
2893
        (build_poly_dr): Do not use the multiplier to define the subscript.
2894
 
2895
2009-06-19  Sebastian Pop  
2896
 
2897
        * graphite-poly.c (new_poly_dr): Pass an extra argument for the
2898
        compiler's data reference.  Initialize PDR_CDR.
2899
        (print_pdr): Call dump_data_reference.
2900
        * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
2901
        Add compiler_dr field.
2902
        (PDR_BB): Renamed PDR_PBB.
2903
        (PDR_CDR): New.
2904
        * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
2905
        GCC's data reference representation.
2906
        * tree-data-ref.c (debug_data_references, debug_data_reference): New.
2907
        * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
2908
 
2909
2009-06-19  Sebastian Pop  
2910
 
2911
        * graphite-poly.c (print_scattering_function): Also print the layout.
2912
        * graphite-poly.h (pbb_nb_local_vars): New.
2913
 
2914
2009-06-19  Sebastian Pop  
2915
 
2916
        * graphite-poly.c (print_pbb_domain): Also print the layout names.
2917
 
2918
2009-06-19  Sebastian Pop  
2919
 
2920
        * graphite-poly.c (print_pdr, debug_pdr): New.
2921
        * graphite-poly.h (print_pdr, debug_pdr): Declared.
2922
        (PDR_BASE): Removed.
2923
 
2924
2009-06-18  Sebastian Pop  
2925
 
2926
        * gcc.dg/graphite/interchange-{1..7}.c: New avatars of
2927
        ltrans-{1..6,8}.c.
2928
 
2929
2009-06-18  Sebastian Pop  
2930
 
2931
        * graphite-interchange.c (compute_subscript): Allow also -1 in the
2932
        subscript identification column.
2933
        (pbb_do_interchange): Print to dump_file that some loops "will be
2934
        interchanged".  Rely on that chain of characters in the testcases.
2935
        * gcc.dg/graphite/interchange-0.c: New.
2936
        * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
2937
        interchange-*.c files and compile them with -floop-interchange.
2938
 
2939
2009-06-18  Pranav Garg  
2940
 
2941
        * graphite-interchange.c (interchange_profitable_p): Renamed
2942
        pbb_interchange_profitable_p.
2943
 
2944
2009-06-18  Sebastian Pop  
2945
            Harsha Jagasia  
2946
            Pranav Garg  
2947
 
2948
        * graphite-interchange.c (interchange_profitable_p): Make static.
2949
        (pbb_interchange_loop_depths, pbb_do_interchange,
2950
        scop_do_interchange): New.
2951
        * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
2952
        for flag_loop_interchange.
2953
        * graphite-poly.h (scop_do_interchange): Declared.
2954
        * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
2955
        flag_loop_interchange is used.
2956
 
2957
2009-06-18  Sebastian Pop  
2958
 
2959
        * graphite-dependences.c (dependence_polyhedron): Update use of
2960
        pbb_nb_scattering_dims.
2961
        * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
2962
        (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
2963
        (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
2964
        psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
2965
 
2966
2009-06-16  Sebastian Pop  
2967
 
2968
        * graphite.c: Cleanup foo.
2969
 
2970
2009-06-16  Sebastian Pop  
2971
 
2972
        * Merge from mainline (r143684:148293).
2973
        * Disabled libpcp until it gets fixed.
2974
 
2975
2009-06-05  Sebastian Pop  
2976
            Harsha Jagasia  
2977
 
2978
        * graphite-interchange.c: New.
2979
        * Makefile.in (graphite-interchange.o): New.
2980
        * graphite-poly.h (interchange_profitable_p): Declared.
2981
        * graphite-ppl.h (value_max): New.
2982
 
2983
2009-06-04  Sebastian Pop  
2984
 
2985
        * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
2986
        * graphite-poly.h: Fix some comments.
2987
        (pdr_dim): New.
2988
        (pdr_scop): New.
2989
 
2990
2009-06-04  Sebastian Pop  
2991
 
2992
        * graphite-poly.h
2993
        (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
2994
        (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
2995
        (pdr_accessp_nb_params): Renamed pdr_nb_params.
2996
        (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
2997
        (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
2998
        (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
2999
        (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
3000
        (pbb_nb_loops): Renamed pbb_dim_iter_domain.
3001
        * graphite-clast-to-gimple.c: Same.
3002
        * graphite-dependences.c: Same.
3003
        * graphite-poly.c: Same.
3004
        * graphite-sese-to-poly.c: Same.
3005
 
3006
2009-06-03  Sebastian Pop  
3007
 
3008
        * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
3009
        expressions for an IV rename, as returned by clast_to_gcc_expression.
3010
        (copy_renames): Rename new_name to expr.
3011
        * sese.c (debug_rename_elt): Same.
3012
        (get_rename): Same.
3013
        (set_rename): Same.
3014
        (sese_adjust_liveout_phis): Call force_gimple_operand before using
3015
        the information from the rename map.
3016
        (rename_variables_in_stmt): Same.
3017
        (add_loop_exit_phis): Rename new_name to expr.
3018
        (insert_loop_close_phis): Same.
3019
        (add_guard_exit_phis): Same.  Call force_gimple_operand.
3020
        * sese.h (struct rename_map_elt): Rename new_name to expr.
3021
        (new_rename_map_elt): Same.
3022
 
3023
2009-06-03  Sebastian Pop  
3024
 
3025
        * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
3026
        * sese.c (set_rename): Make it extern.
3027
        * sese.h (set_rename): Declared.
3028
 
3029
2009-06-03  Sebastian Pop  
3030
 
3031
        * graphite-poly.c (extend_scattering): Free values.
3032
        * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
3033
        Free iterators.
3034
        (ppl_print_powerset_matrix): Same.
3035
        * graphite-scop-detection.c (free_scops_1): New.
3036
        (limit_scops): Call free_scops_1.
3037
        * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
3038
        (build_poly_dr): Free PPL coefficients.
3039
        * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
3040
 
3041
2009-06-02  Sebastian Pop  
3042
 
3043
        * graphite-dependences.c: New.
3044
        * graphite-data-ref.c: Removed.
3045
        * graphite-data-ref.h: Removed.
3046
        * Makefile.in (graphite-data-ref.o): Removed.
3047
        (graphite-dependences.o): Added.
3048
        * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
3049
        * graphite-poly.c: Same.
3050
        Move the data dependence testing to graphite-dependences.c.
3051
 
3052
2009-05-19  Tobias Grosser  
3053
 
3054
        * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
3055
        from graphite_cannot_represent_loop. Code refactored.
3056
        (scopdet_basic_block_info): Call graphite_can_represent_loop.
3057
 
3058
2009-05-17  Li Feng  
3059
 
3060
        * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
3061
        Cover all the testcases (not only the filtered ones).
3062
 
3063
2009-05-17  Tobias Grosser  
3064
 
3065
        * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
3066
        unnecessary check. Update comments. Move check for REAL_TYPE here.
3067
        (harmful_stmt_in_bb): Remove checks for conditions. This is already
3068
        done in (stmt_simple_for_scop_p).
3069
 
3070
2009-05-14 Tobias Grosser  
3071
 
3072
        * graphite.c (print_global_statistics): New.
3073
        (print_graphite_scop_statistic): New.
3074
        (print_graphite_statistics): New.
3075
        (graphite_initialize, graphite_transform_loops): Print statistics.
3076
        * graphite-scop-detection (build_scops): Print statistics.
3077
        (print_graphite_scop_statistics): New.
3078
        (print_graphite_statistics): New.
3079
 
3080
2009-05-13  Sebastian Pop  
3081
 
3082
        * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
3083
        (debug_clast_name_index): Removed.
3084
        (debug_clast_name_indexes_1): Removed.
3085
        (debug_clast_name_indexes): Removed.
3086
        (clast_name_index_elt_info): Removed.
3087
        (eq_clast_name_indexes): Removed.
3088
        (clast_name_to_index): Removed.
3089
        (new_clast_name_index): Removed.
3090
        (save_clast_name_index): Removed.
3091
        (save_var_name): Moved...
3092
        (init_sese_params_index): Removed.
3093
        (clast_name_to_gcc): Remove use of name_tree.
3094
        (initialize_cloog_names): Same.
3095
        (gloog): Do not call init_sese_params_index.
3096
        * graphite-sese-to-poly.c (save_var_name): ...here.
3097
        (parameter_index_in_region): New.
3098
        * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
3099
        (parameter_index_in_region): Removed.
3100
        (is_parameter): Remove use of name_tree.
3101
        * sese.h (struct name_tree): Removed.
3102
        (struct sese): Remove use of name_tree.  New field params_names.
3103
        (SESE_PARAMS_NAMES): New.
3104
        (SESE_PARAMS): Remove duplicate.
3105
        (parameter_index_in_region): Removed.
3106
        (sese_nb_params): Remove use of name_tree.
3107
        (struct clast_name_index): New.
3108
        (new_clast_name_index): New.
3109
        (clast_name_to_index): New.
3110
        (save_clast_name_index): New.
3111
        (debug_clast_name_index): New.
3112
        (debug_clast_name_indexes_1): New.
3113
        (debug_clast_name_indexes): New.
3114
        (clast_name_index_elt_info): New.
3115
        (eq_clast_name_indexes): New.
3116
 
3117
2009-05-13  Sebastian Pop  
3118
 
3119
        * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
3120
        pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
3121
        (graphite_loop_normal_form): Do not pass region.  Do not
3122
        initialize SESE_OLDIVS.
3123
        (build_graphite_loop_normal_form): Update call to
3124
        graphite_loop_normal_form.
3125
        * sese.c (debug_oldivs): Removed.
3126
        (new_sese): Do not initialize SESE_OLDIVS.
3127
        (free_sese): Do not free SESE_OLDIVS.
3128
        (oldiv_for_loop): Removed.
3129
        * sese.h (struct sese): Remove old_ivs.
3130
        (SESE_OLDIVS): Removed.
3131
        (oldiv_for_loop): Removed.
3132
 
3133
2009-05-13  Sebastian Pop  
3134
 
3135
        * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
3136
        remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
3137
        replaced by a call to newivs_to_depth_to_newiv.
3138
        (clast_to_gcc_expression): Pass newivs, remove ivstack.
3139
        (clast_to_gcc_expression_red): Same.
3140
        (gcc_type_for_clast_expr): Same.
3141
        (gcc_type_for_clast_eq): Same.
3142
        (graphite_translate_clast_equation): Same.
3143
        (graphite_create_guard_cond_expr): Same.
3144
        (graphite_create_new_guard): Same.
3145
        (graphite_create_new_loop): Same.
3146
        (build_iv_mapping): Same.
3147
        (translate_clast): Same.
3148
        (gloog): Same.
3149
        (loop_iv_stack_patch_for_consts): Removed.  *
3150
        sese.c (iv_stack_entry_is_constant): Removed.
3151
        (iv_stack_entry_is_iv): Removed.
3152
        (loop_iv_stack_push_iv): Removed.
3153
        (loop_iv_stack_insert_constant): Removed.
3154
        (loop_iv_stack_pop): Removed.
3155
        (loop_iv_stack_get_iv): Removed.
3156
        (loop_iv_stack_get_iv_from_name): Removed.
3157
        (debug_loop_iv_stack): Removed.
3158
        (free_loop_iv_stack): Removed.
3159
        (loop_iv_stack_remove_constants): Removed.  *
3160
        sese.h (iv_stack_entry_kind): Removed.
3161
        (iv_stack_entry_data_union): Removed.
3162
        (iv_stack_entry_struct): Removed.
3163
        (iv_stack_entry_p): Removed.
3164
        (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
3165
        loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
3166
        loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
3167
        loop_iv_stack_pop, free_loop_iv_stack): Removed.
3168
        (gbb_loop_at_index): Fix indenting.
3169
        (gbb_loop_index): Removed.
3170
 
3171
2009-05-13  Sebastian Pop  
3172
 
3173
        * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
3174
        Call clast_name_to_index.
3175
 
3176
2009-05-13  Sebastian Pop  
3177
 
3178
        * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
3179
        do not pass params.  Get params from SESE_PARAMS.
3180
        (clast_to_gcc_expression): Same.
3181
        (clast_to_gcc_expression_red): Same.
3182
        (gcc_type_for_clast_eq): Same.
3183
        (graphite_translate_clast_equation): Same.
3184
        (graphite_create_new_loop): Same.
3185
        * sese.c (rename_variables_in_stmt): Fix comment.
3186
 
3187
2009-05-13  Sebastian Pop  
3188
 
3189
        * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
3190
        newivs_index.
3191
        Call save_clast_name_index.
3192
        (translate_clast): Pass newivs_index.
3193
        (gloog): Create and free newivs_index.
3194
 
3195
2009-05-13  Sebastian Pop  
3196
 
3197
        * graphite-clast-to-gimple.c (clast_name_index): New structure.
3198
        (clast_name_index_p): New type.
3199
        (debug_clast_name_index): New.
3200
        (debug_clast_name_indexes_1): New.
3201
        (debug_clast_name_indexes): New.
3202
        (clast_name_index_elt_info): New.
3203
        (eq_clast_name_indexes): New.
3204
        (clast_name_to_index): New.
3205
        (new_clast_name_index): New.
3206
        (save_clast_name_index): New.
3207
        (init_sese_params_index): New.
3208
        (gloog): Call init_sese_params_index.
3209
        * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
3210
        * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
3211
        (free_sese): Free SESE_PARAMS_INDEX.
3212
        * sese.h (struct sese): Add params_index.
3213
        (SESE_PARAMS_INDEX): New.
3214
 
3215
2009-05-13  Sebastian Pop  
3216
 
3217
        * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
3218
        (graphite_create_new_loop): Pass the newivs vector.  Push the
3219
        newly created IV to newivs.
3220
        (translate_clast): Pass the newivs vector.
3221
        (gloog): Create and destroy the newivs vector.
3222
 
3223
2009-05-13  Sebastian Pop  
3224
 
3225
        * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
3226
        (graphite_loop_normal_form): Initialize loop->aux with the unique
3227
        IV that has been created.
3228
 
3229
2009-05-13 Tobias Grosser  
3230
 
3231
        * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
3232
        scev with parameters in the base part. They where forbidden
3233
        exidently.
3234
 
3235
2009-05-11  Li Feng  
3236
 
3237
        * gcc.dg/graphite/graphite.exp: Set different default
3238
        compile options by file names.
3239
        * gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
3240
        * gcc.dg/graphite/id-{1-9}.c: Ditto.
3241
        * gcc.dg/graphite/scop-{0-20}.c: Ditto.
3242
        * gcc.dg/graphite/scop-matmult.c: Ditto.
3243
 
3244
2009-05-08  Li Feng 
3245
 
3246
        * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
3247
        * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
3248
        * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
3249
        * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
3250
 
3251
2009-05-07  Tobias Grosser  
3252
 
3253
        * graphite-scop-detection (build_scops_1): Fix little bug introduced
3254
        by final cleanup.
3255
 
3256
2009-05-07  Tobias Grosser  
3257
 
3258
        * graphite-scop-detection.c (graphite_can_represent_scev): Only
3259
        allow integer constant strides.
3260
        (graphite_can_represent_expr): Depend on outermost_loop.
3261
        (stmt_simple_memref_p, graphite_cannot_represent_loop,
3262
        harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
3263
        build_scops_1): Same.
3264
        (scopdet_basic_block_info): Same and insert layered SCoP
3265
        detection.
3266
        (try_generate_gimple_bb): Cleanup.
3267
        (build_scops): Enable data references.
3268
 
3269
        * gcc.dg/graphite/id-5.c: New.
3270
        * gcc.dg/graphite/id-9.c: New.
3271
        * tree-chrec.c (evolution_function_right_is_integer_cst): New.
3272
        * tree-chrec.h (evolution_function_right_is_integer_cst): New.
3273
 
3274
2009-05-06  Tobias Grosser  
3275
 
3276
        * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
3277
        that we have not yet built for this SCoP.
3278
 
3279
2009-05-06  Tobias Grosser  
3280
 
3281
        * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
3282
        for complex numbers.
3283
 
3284
2009-05-06  Tobias Grosser  
3285
 
3286
        * graphite-ppl.c: Fix build if cloog is not available.
3287
 
3288
2009-05-04  Li Feng  
3289
 
3290
        * tree-parloops.c (loop_parallel_p): Remove construction of
3291
        NITER and REDUCTION_LIST.
3292
        (try_get_loop_niter): New.
3293
        (try_create_reduction_list): New.
3294
        (parallelize_loops): Bypass the failed checkings in autopar
3295
        when can_be_parallel in loop structure is set to true.
3296
 
3297
2009-05-01  Tobias Grosser  
3298
 
3299
        * gcc.dg/graphite/id-6.c: Update testcase.
3300
        * gcc.dg/graphite/scop-3.c: Dito.
3301
 
3302
2009-05-01  Tobias Grosser  
3303
 
3304
        * graphite-scop-detection.c (stmt_simple_for_scop_p):
3305
        Enable EQ_EXPR and NE_EXPR again.
3306
 
3307
2009-04-30  Tobias Grosser  
3308
 
3309
        * graphite-scop-detection.c (graphite_can_represent_scev):
3310
        Add check if scev is affine multivariate.
3311
        (harmful_stmt_in_bb): Check if we can represent the conditions.
3312
        (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
3313
        harmful_stmt_in_bb.
3314
        * gcc.dg/graphite/id-7.c: New.
3315
 
3316
2009-04-30  Tobias Grosser  
3317
 
3318
        * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
3319
        Check all bbs in region, not only the bbs that are represented in
3320
        GRAPHITE.
3321
        (build_poly_scop): Add newline.
3322
        * gcc.dg/graphite/id-8.c: New.
3323
 
3324
2009-04-30  Li Feng  
3325
 
3326
        * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
3327
        when loop initialize.
3328
        * cfgloop.h (struct loop): Introduce flag can_be_parallel.
3329
        * common.opt: Declare flag_graphite_force_parallel.
3330
        * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
3331
        loop parallel.
3332
        * graphite-poly.c (apply_poly_transforms): Introduce
3333
        flag_graphite_force_parallel.
3334
        * tree-ssa-loop.c (gate_graphite_transforms): ditto.
3335
        * toplev.c (process_options): ditto and replace a not correctly
3336
        encoded space.
3337
 
3338
2009-04-30  Li Feng  
3339
 
3340
        * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
3341
        Change the call of gbb_loop_at_index and/or gbb_loop_index due
3342
        to the redefinition.
3343
        (compute_cloog_iv_types_1): ditto.
3344
        (build_iv_mapping): ditto.
3345
        * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
3346
        initialization.
3347
        (free_gimple_bb): Removed GBB_LOOPS related free part.
3348
        (build_bb_loops): Removed.
3349
        * sese.h (struct gimple_bb): Removed loops.
3350
        (GBB_LOOPS): Removed.
3351
        (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
3352
        (gbb_loop_index): ditto.
3353
 
3354
2009-04-24  Tobias Grosser  
3355
 
3356
        * graphite-scop-detection.c (graphite_can_represent_scev): Do not
3357
        allow non constant strides.
3358
        * gcc.dg/graphite/scop-20.c: New.
3359
 
3360
2009-04-24  Sebastian Pop  
3361
 
3362
        * graphite-scop-detection.c (dot_all_scops): Fix system call
3363
        return value warning.
3364
        (dot_scop): Same.
3365
 
3366
2009-04-24  Sebastian Pop  
3367
 
3368
        * gcc.dg/graphite/id-6.c: Fix pattern.
3369
        * gcc.dg/graphite/scop-3.c: Same.
3370
 
3371
2009-04-24  Sebastian Pop  
3372
 
3373
        * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
3374
        build_pairwise_constraint, dr_equality_constraints,
3375
        build_pairwise_scheduling_equality,
3376
        build_pairwise_scheduling_inequality, lexicographically_gt_p,
3377
        build_lexicographically_gt_constraint, dependence_polyhedron,
3378
        graphite_legal_transform_dr, graphite_legal_transform_bb,
3379
        graphite_legal_transform): New.
3380
        * graphite-poly.h (graphite_legal_transform): Declared.
3381
        * graphite-sese-to-poly.c (build_poly_scop): Call to
3382
        graphite_legal_transform is disabled for the moment.
3383
 
3384
2009-04-24  Sebastian Pop  
3385
 
3386
        * graphite-poly.h (pbb_nb_scattering_dims): New.
3387
        (pbb_nb_scattering): Use it.
3388
 
3389
2009-04-24  Sebastian Pop  
3390
 
3391
        * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
3392
        Pointset_Powerset version of ppl_insert_dimensions.
3393
        * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
3394
 
3395
2009-04-24  Sebastian Pop  
3396
 
3397
        * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
3398
 
3399
2009-04-24  Sebastian Pop  
3400
 
3401
        * graphite-poly.h: Fix comment.
3402
 
3403
2009-04-24  Sebastian Pop  
3404
 
3405
        * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
3406
 
3407
2009-04-24  Tobias Grosser  
3408
 
3409
        * sese.c (expand_scalar_variables_stmt): Only iterate over the old
3410
        statements.
3411
 
3412
2009-04-24  Tobias Grosser  
3413
 
3414
        * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
3415
        (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
3416
        conditions.
3417
 
3418
2009-04-20  Sebastian Pop  
3419
 
3420
        * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
3421
        handle EQ_EXPR and NE_EXPR.
3422
 
3423
2009-04-17  Tobias Grosser  
3424
 
3425
        * graphite-poly.h (poly_dr): Fix comment.
3426
 
3427
2009-04-09  Sebastian Pop  
3428
            Tobias Grosser  
3429
 
3430
        * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
3431
        with a zero dimension polyhedron.
3432
        (find_scop_parameters): Move the call to scop_set_nb_params here.
3433
        (build_loop_iteration_domains): Store in loop->aux the iteration
3434
        domain polyhedron.
3435
        (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
3436
        by any loop in scop.
3437
        (build_poly_scop): Do not call scop_set_nb_params.
3438
 
3439
2009-04-09  Sebastian Pop  
3440
            Tobias Grosser  
3441
 
3442
        * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
3443
        add_condition_to_domain not GT_EXPR.
3444
 
3445
2009-04-09  Tobias Grosser  
3446
 
3447
        * graphite-ppl.c (debug_ppl_powerset_matrix): New.
3448
        * graphite-ppl.h (debug_ppl_powerset_matrix): New.
3449
        * graphite-sese-to-poly.c (add_condition_to_pbb): Use
3450
        upper_bound_assign to calculate unions.
3451
        * gcc.dg/graphite/id-6.c: New.
3452
 
3453
2009-04-09  Tobias Grosser  
3454
 
3455
        * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
3456
        handle abnormal edges.
3457
 
3458
2009-04-09  Tobias Grosser  
3459
 
3460
        * graphite-poly.c (new_poly_dr, free_poly_dr): New.
3461
        (free_poly_bb): Also free poly_drs.
3462
        * graphite-poly.h (new_poly_dr, free_poly_dr): New.
3463
        (poly_dr): Polyhedron to Pointset_Powerset.
3464
        (pdr_accessp_nb_subscripts): Same.
3465
        * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
3466
        poly_drs.
3467
 
3468
2009-04-08  Sebastian Pop  
3469
 
3470
        * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
3471
        names into more meaningful names.
3472
 
3473
2009-04-08  Sebastian Pop  
3474
 
3475
        * gfortran.dg/graphite/interchange-1.c: New.
3476
        * gfortran.dg/graphite/interchange-2.c: New.
3477
 
3478
2009-04-08  Sebastian Pop  
3479
 
3480
        * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
3481
        the reduction_list.
3482
        * tree-parloops.c (rewrite_phi_with_iv): New.
3483
        (rewrite_all_phi_nodes_with_iv): New.
3484
        (canonicalize_loop_ivs): Call them.
3485
 
3486
2009-04-08  Sebastian Pop  
3487
 
3488
        * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
3489
        graphite_find_data_references_in_stmt.
3490
        * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
3491
        * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
3492
 
3493
2009-04-08  Sebastian Pop  
3494
 
3495
        * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
3496
 
3497
2009-04-08  Sebastian Pop  
3498
 
3499
        * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
3500
        instead of bb_in_region.
3501
        (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
3502
        (build_sese_conditions): Use flag_bb_in_sese.
3503
        * sese.c (register_bb_in_sese): Removed.
3504
        (new_sese): Remove initialization of SESE_REGION_BBS.
3505
        (free_sese): Do not free SESE_REGION_BBS.
3506
        * sese.h (struct sese): Remove field region_basic_blocks.
3507
        (SESE_REGION_BBS): Removed.
3508
        (bb_in_sese_p): Implement in function of bb_in_region.
3509
 
3510
2009-04-08  Sebastian Pop  
3511
 
3512
        * graphite-scop-detection.c (limit_scops): Deal only with single exit
3513
        loops.
3514
 
3515
2009-04-08  Tobias Grosser  
3516
 
3517
        * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
3518
        and EQ_EXPR.
3519
        * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
3520
        (add_condition_to_domain): New.
3521
        (add_condition_to_pbb): New.
3522
        (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
3523
        * gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
3524
 
3525
2009-04-08  Tobias Grosser  
3526
 
3527
        * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
3528
        ppl_Pointset_Powerset.
3529
        * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
3530
        * graphite-poly.h (poly_bb): poly_bb.domain Same.
3531
        (pbb_nb_loops): Same.
3532
        * graphite-sese-to-poly.c (build_loop_iteration_domains,
3533
        add_conditions_to_domain): Same.
3534
        * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
3535
        (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
3536
        ppl_const_Polyhedron_t.
3537
        (ppl_print_powerset_matrix): New.
3538
        * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
3539
        ppl_print_powerset_matrix): New.
3540
        (ppl_print_polyhedron_matrix): Updated.
3541
 
3542
2009-04-07  Sebastian Pop  
3543
 
3544
        * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
3545
 
3546
2009-04-07  Sebastian Pop  
3547
 
3548
        * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
3549
        (print_iteration_domains, debug_iteration_domain,
3550
        debug_iteration_domains): New.
3551
        * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
3552
        debug_iteration_domains): Declared.
3553
        * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
3554
        indenting.
3555
 
3556
2009-04-03  Tobias Grosser  
3557
            Sebastian Pop  
3558
 
3559
        * graphite-poly.h (print_iteration_domain): New.
3560
        * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
3561
        (build_sese_conditions_1, build_sese_conditions_after,
3562
        build_sese_conditions_before): New.
3563
        (build_sese_conditions): Rewritten.
3564
 
3565
2009-04-03  Sebastian Pop  
3566
            Tobias Grosser  
3567
 
3568
        Cleanup of code generation liveouts.
3569
        * graphite-clast-to-gimple.c (translate_clast): Use a single
3570
        rename_map instead of one per translated statement.
3571
        Do not use SESE_LIVEOUT_RENAMES.
3572
        (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
3573
        (gloog): Do not use SESE_LIVEOUT_RENAMES.
3574
        * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
3575
        phi node of a reduction: when a loop contains a reduction used outside
3576
        the loop, there should be a scalar close phi node on the exit block.
3577
        * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
3578
        SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
3579
        (free_sese): Do not free them.
3580
        (sese_build_liveouts_use): Do not use them.
3581
        (sese_build_liveouts_bb): Same.
3582
        (sese_build_liveouts): Same.
3583
        (sese_insert_phis_for_liveouts): Same.
3584
        (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
3585
        (defined_in_loop_p): New.
3586
        (alive_after_loop): New.
3587
        (close_phi_not_yet_inserted_p): New.
3588
        (struct alep, alep_p): New.
3589
        (add_loop_exit_phis): Remove from the rename_map all the names defined
3590
        in the code generated loop.
3591
        (insert_loop_close_phis): Traverse the rename_map passed to it.
3592
        Don't use SESE_LIVEOUT_RENAMES.
3593
        (default_liveout_before_guard): Renamed default_before_guard.
3594
        (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
3595
        (graphite_copy_stmts_from_block): Do not directly call set_rename.
3596
        (register_sese_liveout_renames): Removed.
3597
        (copy_bb_and_scalar_dependences): Do not call it.
3598
        * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
3599
        reduction_list.
3600
        (SESE_LIVEOUT): Removed.
3601
        (SESE_LIVEOUT_RENAMES): Removed.
3602
        (SESE_REDUCTION_LIST): Removed.
3603
        (sese_build_liveouts): Removed.
3604
        (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
3605
        (insert_loop_close_phis): Pass a htab_t instead of a sese.
3606
        (insert_guard_phis): Same.
3607
        (rename_map_elt): Declare a VEC of them.
3608
        * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
3609
        trees not pointers to trees.
3610
 
3611
        Rewrite in canonical close SSA form:
3612
        * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
3613
        (limit_scops): Close the scop after the block containing the close phi
3614
        nodes.
3615
        (canonicalize_loop_closed_ssa): New.
3616
        (canonicalize_loop_closed_ssa_form): New.
3617
        (build_scops): Call canonicalize_loop_closed_ssa_form.
3618
 
3619
        * graphite-sese-to-poly.c: Fix typos.
3620
 
3621
2009-04-03  Sebastian Pop  
3622
 
3623
        * graphite-poly.c (print_scattering_function, print_pbb_domain):
3624
        Extended.
3625
        (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
3626
        (print_pbb): Add conditions.
3627
 
3628
2009-04-01  Tobias Grosser  
3629
            Sebastian Pop  
3630
 
3631
        * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
3632
        * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
3633
        (build_scop_bbs_1): New.
3634
        (build_scop_bbs): Rewrite.
3635
        * sese.h (bb_in_region): New.
3636
 
3637
2009-03-29  Tobias Grosser  
3638
 
3639
        * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
3640
        poly_drs vector.
3641
        (print_scop): Style.
3642
        * graphite-poly.h (poly_bb): Add drs vector.
3643
        (PBB_DRS): Add accessor.
3644
        * graphite-sese-to-poly.c (build_poly_dr): New.
3645
        (build_pbb_drs, build_scop_drs): New.
3646
        (build_poly_scop): call build_scop_drs (Disabled at the moment).
3647
 
3648
2009-03-29  Tobias Grosser  
3649
 
3650
        * tree-ssa-loop.c: Include forgotten toplev.h
3651
 
3652
2009-03-29  Tobias Grosser  
3653
 
3654
        * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
3655
        * gcc.dg/graphite/pr37883.c: Remove -floop-*
3656
        * gcc.dg/graphite/pr37928.c: Same
3657
        * gcc.dg/graphite/pr38409.c: Same
3658
        * gcc.dg/graphite/pr38498.c: Same
3659
        * gcc.dg/graphite/pr38559.c: Same
3660
        * gcc.dg/graphite/pr39335.c: Same
3661
        * gcc.dg/graphite/pr39335_1.c: Same
3662
        * gfortran.dg/graphite/block-2.f: Same
3663
        * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
3664
        with -floop-*.
3665
 
3666
2009-03-28  Tobias Grosser  
3667
 
3668
        * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
3669
        build_access_matrix, build_scop_data_accesses): Remove access function
3670
        building. (We get a new version soon).
3671
        (build_bb_loops, scan_tree_for_params_right_scev): Update.
3672
        * sese.h (nb_loops_around_loop_in_sese): Remove.
3673
        (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
3674
 
3675
2009-03-27  Tobias Grosser  
3676
            Sebastian Pop  
3677
 
3678
        * graphite-scop-detection.c (struct scopdet_info): Rename last
3679
        field to exit.
3680
        (scopdet_basic_block_info, build_scops_1): Don't use
3681
        CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
3682
 
3683
2009-03-26  Tobias Grosser  
3684
            Sebastian Pop  
3685
 
3686
        * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
3687
        * sese.c (sese_build_liveouts_use): Renamed from
3688
        sese_build_livein_liveouts_use. Remove liveins.
3689
        (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
3690
        Call sese_build_liveouts_use.
3691
        (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
3692
        Call sese_build_liveouts_bb.
3693
        (new_sese, free_sese): Remove liveins.
3694
        (sese_add_exit_phis_var): Deleted.
3695
        (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
3696
        directly.
3697
        (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
3698
 
3699
        * sese.h (sese): Remove num_ver and livein.
3700
        (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
3701
 
3702
2009-03-25  Tobias Grosser  
3703
 
3704
        * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
3705
 
3706
2009-03-25  Tobias Grosser  
3707
 
3708
        * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
3709
        (build_scop_scattering): Do not use compare_prefix_loops any more.
3710
        (nb_common_loops): New.
3711
 
3712
2009-03-24  Sebastian Pop  
3713
 
3714
        * sese.c (get_new_name_from_old_name): Renamed get_rename.
3715
        (register_old_and_new_names): Renamed set_rename.
3716
 
3717
2009-03-24  Sebastian Pop  
3718
 
3719
        * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
3720
        of the decl from the previous commit.
3721
 
3722
2009-03-24  Sebastian Pop  
3723
 
3724
        * graphite-scop-detection.c (dot_scop): New.
3725
        * graphite-scop-detection.h (dot_scop): Declared.
3726
 
3727
2009-03-24  Sebastian Pop  
3728
 
3729
        * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
3730
 
3731
2009-03-24  Sebastian Pop  
3732
 
3733
        * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
3734
        condition at the end of the loop.
3735
        * graphite.c (graphite_initialize, graphite_finalize): Print to
3736
        dump_file the compiled function.
3737
        * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
3738
        of create_empty_loop_on_edge.
3739
        (translate_clast): Update the code generation of loops for the new
3740
        shape of loops.
3741
        * cfgloop.h (create_empty_loop_on_edge): Update declaration.
3742
 
3743
2009-03-24  Sebastian Pop  
3744
 
3745
        Reverted the patch from 2009-03-19.
3746
 
3747
2009-03-19  Tobias Grosser  
3748
 
3749
        * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
3750
        poly_drs vector.
3751
        (print_scop): Style.
3752
        * graphite-poly.h (poly_bb): Add drs vector.
3753
        (PBB_DRS): Add accessor.
3754
        * graphite-sese-to-poly.c (ref_nb_loops): Remove.
3755
        (build_access_matrix_with_af, build_access_matrix,
3756
        build_scop_data_accesses): Delete.
3757
        (build_poly_dr): New.
3758
        (build_pbb_drs, build_scop_drs): New.
3759
        (build_poly_scop): call build_scop_drs.
3760
 
3761
2009-03-13  Sebastian Pop  
3762
 
3763
        * graphite-scop-detection.c (dot_all_scops_1): Close the table
3764
        once per basic block.
3765
 
3766
2009-03-13  Tobias Grosser  
3767
 
3768
        * graphite-scop-detection.c (graphite_can_represent_scev): New.
3769
        (graphite_can_represent_expr): Renamed from loop_affine_expr
3770
        and enhanced.
3771
        (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
3772
        (graphite_cannot_represent_loop): Add scop_entry to parameters.
3773
        (scopdet_basic_block_info): Actually define entry_block.
3774
        (stmt_simple_memref_p): Moved here from ...
3775
 
3776
        * tree-data-ref.c (stmt_simple_memref_p): here.
3777
        * tree-data-ref.h (stmt_simple_memref_p): Removed.
3778
 
3779
2009-03-13  Tobias Grosser  
3780
 
3781
        * gcc.dg/graphite/id-4.c: New.
3782
 
3783
2009-03-12  Sebastian Pop  
3784
 
3785
        * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3786
        (register_old_and_new_names): Update the content of the map.
3787
        When there was already a rename_map_elt in the map at that
3788
        location, free it.
3789
        (copy_bb_and_scalar_dependences): Do rename_variables after
3790
        expand_scalar_variables.
3791
        * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3792
        of the map.  When there was already a rename_map_elt in the
3793
        map at that location, free it.
3794
        (translate_clast): Pass the rename_map.  Do not initialize and free
3795
        a rename_map per stmt_user.
3796
        (gloog): Initialize and free one rename_map and pass it to
3797
        translate_clast.
3798
 
3799
2009-03-12  Sebastian Pop  
3800
 
3801
        * sese.c (expand_scalar_variables_stmt,
3802
        expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
3803
        parameter.
3804
        (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
3805
        (expand_scalar_variables): Pass to expand_scalar_variables_stmt
3806
        the gimple_stmt_iterator of the statement to be expanded.
3807
        * graphite-scop-detection.c (is_simple_operand): Do handle
3808
        REALPART_EXPR.
3809
 
3810
2009-03-11  Tobias Grosser  
3811
 
3812
        * graphite-scop-detection.c (is_simple_operand): Do not handle
3813
        REALPART_EXPR.
3814
        * gcc.dg/graphite/id-2.c: New.
3815
 
3816
        * graphite-sese-to-poly.c (build_bb_loops,
3817
        add_value_to_dim, scan_tree_for_params_right_scev,
3818
        scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
3819
        find_params_in_bb, build_loop_iteration_domains,
3820
        add_conditions_to_domain): Remove subtract.
3821
 
3822
2009-03-11  Tobias Grosser  
3823
 
3824
        * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
3825
        build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
3826
        pbb_loop_at_index -> gbb_loop_at_index.
3827
        * graphite-poly.c (new_poly_bb, new_scop): New accessors.
3828
        (debug_loop_vec): Delete.
3829
        * graphite-poly.h (poly_bb, scop): Change black_box and region to void
3830
        pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
3831
        (PBB_LOOPS): Removed.
3832
        (PBB_BLACK_BOX): Insert cast.
3833
        (pbb_set_black_box): New setter.
3834
        (pbb_loop_at_index, pbb_loop_index): Removed.
3835
        (scop_set_region, scop_set_nb_params): New.
3836
        * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
3837
        build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
3838
        (build_poly_scop): Use scop_set_nb_params.
3839
        * sese.h (gimple_bb): Add LOOPS.
3840
        (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
3841
 
3842
2009-03-11  Tobias Grosser  
3843
 
3844
        Revert previous commit.
3845
 
3846
2009-03-11  Sebastian Pop  
3847
 
3848
        * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3849
        (register_old_and_new_names): Update the content of the map.
3850
        When there was already a rename_map_elt in the map at that
3851
        location, free it.
3852
        (copy_bb_and_scalar_dependences): Do rename_variables after
3853
        expand_scalar_variables.
3854
        * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3855
        of the map.  When there was already a rename_map_elt in the
3856
        map at that location, free it.
3857
        (translate_clast): Pass the rename_map.  Do not initialize and free
3858
        a rename_map per stmt_user.
3859
        (gloog): Initialize and free one rename_map and pass it to
3860
        translate_clast.
3861
 
3862
2009-03-11  Tobias Grosser  
3863
 
3864
        Remove forgotten line in revert.
3865
 
3866
2009-03-11  Sebastian Pop  
3867
 
3868
        Revert previous commit.
3869
 
3870
2009-03-10  Sebastian Pop  
3871
 
3872
        * sese.c (register_old_and_new_names): Update the content
3873
        of the map.  When there was already a rename_map_elt in the
3874
        map at that location, free it.
3875
        (copy_bb_and_scalar_dependences): Do rename_variables after
3876
        expand_scalar_variables.
3877
        * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3878
        of the map.  When there was already a rename_map_elt in the
3879
        map at that location, free it.
3880
        (translate_clast): Pass the rename_map.  Do not initialize and free
3881
        a rename_map per stmt_user.
3882
        (gloog): Initialize and free one rename_map and pass it to
3883
        translate_clast.
3884
 
3885
2009-03-10  Sebastian Pop  
3886
 
3887
        * graphite-clast-to-gimple.c (translate_clast): context_loop
3888
        is never NULL.
3889
 
3890
2009-03-10  Tobias Grosser  
3891
            Sebastian Pop  
3892
 
3893
        * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
3894
        of the use of ppl_Polyhedron_map_space_dimensions.
3895
 
3896
2009-03-10  Tobias Grosser  
3897
            Sebastian Pop  
3898
 
3899
        * graphite-poly.c (unify_scattering_dimensions): Fix types.
3900
        * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
3901
        PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
3902
        pdr_accessp_nb_iterators, pdr_accessp_nb_params,
3903
        pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
3904
        pdr_accessp_iterator_dim, pdr_accessp_param_dim,
3905
        pbb_nb_params): New.
3906
        (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
3907
        nb_loops_around_pbb): Adapt return types.
3908
 
3909
2009-03-09  Tobias Grosser  
3910
 
3911
        * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3912
        graphite-clast-to-gimple.o,  graphite-data-ref.o,
3913
        graphite-scop-detection.o, graphite-poly.o): Add
3914
        more headers.
3915
 
3916
2009-03-05  Tobias Grosser  
3917
 
3918
        * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3919
        graphite-clast-to-gimple.o,  graphite-data-ref.o,
3920
        graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
3921
 
3922
2009-03-04  Tobias Grosser  
3923
 
3924
        * gcc.dg/graphite/pr37485.c: Remove -floop-block
3925
        * gcc.dg/graphite/pr37828.c: Same.
3926
        * gcc.dg/graphite/pr37684.c: Same.
3927
        * gcc.dg/graphite/block-0.c: Same.
3928
        * gcc.dg/graphite/block-1.c: Same.
3929
        * gcc.dg/graphite/block-2.c: Same.
3930
        * gcc.dg/graphite/block-3.c: Same.
3931
        * gcc.dg/graphite/block-4.c: Same.
3932
        * gcc.dg/graphite/block-5.c: Same.
3933
        * gcc.dg/graphite/block-6.c: Same.
3934
        * gfortran.dg/graphite/pr38083.f90: Same.
3935
        * gfortran.dg/graphite/block-1.f90: Same.
3936
        * gfortran.dg/graphite/block-3.f90: Same.
3937
        * gfortran.dg/graphite/pr37852.f90: Same.
3938
        * gfortran.dg/graphite/block-4.f90: Same.
3939
        * gfortran.dg/graphite/pr37980.f90: Same.
3940
        * gfortran.dg/graphite/pr38953.f90: Same.
3941
        * gfortran.dg/graphite/pr37857.f90: Same.
3942
        * opts.c: Remove -floop-block from -O2.
3943
        * graphite-poly.c: Fail if -floop-block -floop-interchange or
3944
        -floop-strip-mine are used.
3945
 
3946
2009-03-04  Tobias Grosser  
3947
            Sebastian Pop  
3948
 
3949
        * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
3950
        dimensions.
3951
        * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
3952
        graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
3953
        strip_mine_profitable_p, is_interchange_valid,
3954
        graphite_trans_bb_block, graphite_trans_loop_block,
3955
        graphite_trans_scop_block): Temporary removed.
3956
        (extend_scattering, unify_scattering_dimensions): New.
3957
        (print_scattering_function, graphite_read_transforms):
3958
        PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3959
        (graphite_generate_scattering_fns): Removed.
3960
        (apply_poly_transforms): Cleanup.
3961
        (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3962
        (schedule_to_scattering): Moved.
3963
        (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
3964
        (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
3965
        (pbb_nb_scattering): New.
3966
        (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3967
        SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
3968
        Removed.
3969
        * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
3970
        shift_poly.
3971
        (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3972
        * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
3973
        -> PBB_TRANSFORMED_SCATTERING.
3974
        * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
3975
        (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
3976
        (build_scop_scattering): Renamed from build_scop_canonical_schedules.
3977
        (check_poly_representation): Do not return bool.
3978
        (graphite_transform_loops): Reformat.
3979
        * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
3980
 
3981
2009-03-04  Sebastian Pop  
3982
 
3983
        * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
3984
        debug_pbb_domain, debug_pbb, debug_scop): New.
3985
        * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
3986
        debug_pbb_domain, debug_pbb, debug_scop): Declared.
3987
 
3988
2009-03-02  Sebastian Pop  
3989
 
3990
        PR middle-end/39335
3991
        * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3992
        when the type precision of the induction variable should be
3993
        larger than the type precision of nit.
3994
        (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3995
        * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
3996
        * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3997
 
3998
        * gcc.dg/graphite/pr39335_1.c: New.
3999
        * gcc.dg/graphite/pr39335.c: New.
4000
 
4001
2009-03-02  Sebastian Pop  
4002
 
4003
        * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
4004
        SSA_NAMES not struct reduction_info.
4005
 
4006
2009-03-02  Sebastian Pop  
4007
 
4008
        * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
4009
 
4010
2009-02-27  Sebastian Pop  
4011
            Tobias Grosser  
4012
 
4013
        * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
4014
        (free_sese): Free SESE_REDUCTION_LIST.
4015
        * sese.h (struct sese): Add field reduction_list.
4016
        (SESE_REDUCTION_LIST): New.
4017
        * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
4018
        canonicalize_loop_ivs on SESE_REDUCTION_LIST.
4019
 
4020
2009-02-27  Sebastian Pop  
4021
            Tobias Grosser  
4022
 
4023
        * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
4024
        of loop_p.
4025
 
4026
2009-02-27  Sebastian Pop  
4027
            Tobias Grosser  
4028
 
4029
        * tree-parloops.c (struct brli, build_reduction_list_info,
4030
        analyze_reduction_list, gather_scalar_reductions): New.
4031
        (loop_parallel_p): Build a reduction list containing only
4032
        PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
4033
        (gen_parallel_loop): Call the analysis analyze_reduction_list.
4034
        (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
4035
        * tree-flow.h (gather_scalar_reductions): Declared.
4036
 
4037
2009-02-26  Sebastian Pop  
4038
 
4039
        PR middle-end/39308
4040
        * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
4041
        number_of_iterations_exit from a gcc_assert.
4042
 
4043
2009-02-25  Sebastian Pop  
4044
            Jan Sjodin  
4045
 
4046
        * output.h (graphite_out_file, graphite_in_file): Declared.
4047
        * toplev.c (graphite_out_file, graphite_in_file): New.
4048
        (init_asm_output): Initialize graphite_in_file and graphite_out_file.
4049
        * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
4050
        Don't call schedule_to_scattering.
4051
        * common.opt (fgraphite-write, fgraphite-read): New.
4052
        * graphite-poly.c: Include output.h.
4053
        (print_scattering_function, print_scattering_functions,
4054
        debug_scattering_function, debug_scattering_functions,
4055
        graphite_write_transforms, graphite_read_transforms,
4056
        graphite_generate_scattering_fns): New.
4057
        (apply_poly_transforms): Do not apply transform if flag_graphite_read.
4058
        Call graphite_generate_scattering_fns, graphite_write_transforms,
4059
        graphite_read_transforms.
4060
        (new_poly_bb): Initialize PBB_SCATTERING.
4061
        (free_poly_bb): Free PBB_SCATTERING.
4062
        (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
4063
        * graphite-poly.h (struct poly_bb): Add field scattering.
4064
        (PBB_SCATTERING): New.
4065
        (print_scattering_function, print_scattering_functions,
4066
        debug_scattering_function, debug_scattering_functions): Declared.
4067
        * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
4068
        GMP values, not integers!
4069
        (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
4070
        ppl_read_polyhedron_matrix): New.
4071
        * graphite-ppl.h (ppl_print_polyhedron_matrix,
4072
        debug_ppl_polyhedron_matrix,
4073
        ppl_read_polyhedron_matrix): Declared.
4074
        * Makefile.in (graphite-poly.o): Depends on output.h.
4075
 
4076
2009-02-23  Sebastian Pop  
4077
            Tobias Grosser  
4078
 
4079
        Revert this change:
4080
        * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
4081
        scalar evolutions in the scop_entry->loop_father.
4082
 
4083
2009-02-23  Sebastian Pop  
4084
            Tobias Grosser  
4085
 
4086
        * graphite.h (ref_nb_loops): Remove declaration.
4087
        (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
4088
        GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
4089
        debug_gbb): Moved to sese.h.
4090
        * sese.h: As said.
4091
 
4092
2009-02-23  Sebastian Pop  
4093
            Tobias Grosser  
4094
 
4095
        * graphite-data-ref.[ch]: Disable.
4096
 
4097
2009-02-23  Sebastian Pop  
4098
            Tobias Grosser  
4099
 
4100
        * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
4101
        scalar evolutions in the scop_entry->loop_father.
4102
 
4103
2009-02-23  Sebastian Pop  
4104
 
4105
        * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
4106
        (graphite_cannot_represent_loop_niter): Renamed
4107
        graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
4108
        (limit_scops): build_sese_loop_nests does not return a bool.
4109
        * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
4110
        * sese.c (nb_reductions_in_loop): ... from here.
4111
        (graphite_loop_normal_form): ... from here.
4112
        (sese_record_loop): Does not fail, so does not return a bool.
4113
        (build_sese_loop_nests): Same.
4114
        * sese.h (build_sese_loop_nests): Update declaration.
4115
        * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
4116
        (build_graphite_loop_normal_form): New.
4117
        (gloog): Call build_graphite_loop_normal_form.
4118
        * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
4119
        build_sese_loop_nests.
4120
 
4121
        * gcc.dg/graphite/id-1.c: New.
4122
 
4123
2009-02-23  Sebastian Pop  
4124
            Tobias Grosser  
4125
 
4126
        * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
4127
        The SCoP detection fix is sufficient.
4128
 
4129
2009-02-21  Sebastian Pop  
4130
 
4131
        PR tree-optimization/39260
4132
        * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
4133
        the basic block contains a condition with a real type.
4134
        * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
4135
 
4136
        * gcc.dg/graphite/pr39260.c: New.
4137
 
4138
2009-02-21  Sebastian Pop  
4139
 
4140
        * graphite-poly.c: Inlcude params.h.
4141
        (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
4142
        the size of a tile.
4143
        * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
4144
        * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
4145
 
4146
2009-02-20  Sebastian Pop  
4147
            Tobias Grosser  
4148
 
4149
        * graphite-scop-detection.c (dot_all_scops_1,
4150
        dot_all_scops): Moved here.
4151
        * graphite-scop-detection.h (dot_all_scops): Declared here.
4152
        * graphite.c (graphite_initialize, graphite_finalize): New.
4153
        (graphite_transform_loops): Cleaned up.
4154
        * sese.c (debug_oldivs): Moved here.
4155
        * graphite-poly.c (graphite_apply_transformations): Renamed
4156
        apply_poly_transforms.
4157
        (debug_loop_vec): Moved here.
4158
        * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
4159
        scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
4160
        find_scop_parameters, build_scop_iteration_domain,
4161
        add_conditions_to_constraints, build_scop_canonical_schedules,
4162
        build_scop_data_accesses): Now static.
4163
        (build_poly_scop, check_poly_representation): New.
4164
 
4165
2009-02-20  Sebastian Pop  
4166
 
4167
        * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
4168
        remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
4169
        build_scop_bbs, ref_nb_loops, compare_prefix_loops,
4170
        build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
4171
        scan_tree_for_params_right_scev, scan_tree_for_params_int,
4172
        scan_tree_for_params, struct irp_data, dx_record_params,
4173
        find_params_in_bb, find_scop_parameters, gbb_from_bb,
4174
        build_loop_iteration_domains, add_conditions_to_domain,
4175
        phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
4176
        scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
4177
        build_sese_conditions, add_conditions_to_constraints,
4178
        build_scop_iteration_domain, build_access_matrix_with_af,
4179
        build_access_matrix,
4180
        build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
4181
 
4182
        * graphite-sese-to-poly.c: New.
4183
        * graphite-sese-to-poly.h: New.
4184
 
4185
        * Makefile.in: Add new rule for graphite-sese-to-poly.o.
4186
 
4187
2009-02-20  Sebastian Pop  
4188
 
4189
        * graphite.c: Split graphite code generation to a new file.
4190
        (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
4191
        max_precision_type, clast_to_gcc_expression_red,
4192
        clast_to_gcc_expression, gcc_type_for_clast_expr,
4193
        gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
4194
        graphite_translate_clast_equation, graphite_create_guard_cond_expr,
4195
        graphite_create_new_guard, clast_get_body_of_loop,
4196
        gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
4197
        graphite_create_new_loop, build_iv_mapping, copy_renames,
4198
        translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
4199
        compute_cloog_iv_types, free_scattering, save_var_name,
4200
        initialize_cloog_names, build_scop_context, build_cloog_prog,
4201
        set_cloog_options, debug_clast_stmt, scop_to_clast,
4202
        print_generated_program, debug_generated_program,
4203
        gloog): Moved to graphite-clast-to-gimple.c.
4204
 
4205
        (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
4206
 
4207
        (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
4208
        loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
4209
        loop_iv_stack_pop, loop_iv_stack_get_iv,
4210
        loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
4211
        free_loop_iv_stack, loop_iv_stack_remove_constants,
4212
        debug_rename_elt, debug_rename_map_1, debug_rename_map,
4213
        rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
4214
        debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
4215
        eq_ivtype_map_elts, sese_add_exit_phis_edge,
4216
        sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
4217
        get_vdef_before_sese, sese_adjust_vphi,
4218
        get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
4219
        oldiv_for_loop, rename_variables_in_stmt, is_parameter,
4220
        is_iv, expand_scalar_variables_ssa_name,
4221
        expand_scalar_variables_expr, expand_scalar_variables_stmt,
4222
        expand_scalar_variables, rename_variables, remove_condition,
4223
        get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
4224
        add_loop_exit_phis, insert_loop_close_phis, struct igp,
4225
        default_liveout_before_guard, add_guard_exit_phis,
4226
        insert_guard_phis, register_old_and_new_names,
4227
        graphite_copy_stmts_from_block, register_sese_liveout_renames,
4228
        copy_bb_and_scalar_dependences, outermost_loop_in_sese,
4229
        if_region_set_false_region, create_if_region_on_edge,
4230
        move_sese_in_condition): Moved to sese.c.
4231
 
4232
        (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
4233
        if_region_exit, if_region_get_condition_block,
4234
        struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
4235
        union iv_stack_entry_data_union, struct iv_stack_entry_struct,
4236
        iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
4237
        ivtype_map_elt, new_ivtype_map_elt,
4238
        recompute_all_dominators): Moved to sese.h.
4239
 
4240
        * graphite-clast-to-gimple.c: New.
4241
        * graphite-clast-to-gimple.h: New.
4242
        * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
4243
        * sese.c: Modified as said above.
4244
        * sese.h: Same.
4245
 
4246
2009-02-20  Sebastian Pop  
4247
 
4248
        * graphite.c: Split scop detection to a new file.
4249
        (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
4250
        move_sd_regions, loop_affine_expr, exclude_component_ref,
4251
        is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
4252
        graphite_cannot_represent_loop_niter, struct scopdet_info,
4253
        scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
4254
        find_single_entry_edge, find_single_exit_edge,
4255
        create_single_entry_edge, sd_region_without_exit,
4256
        create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
4257
        create_sese_edges, build_graphite_scops, limit_scops, build_scops):
4258
        Moved to graphite-scop-detection.c.
4259
 
4260
        * graphite-scop-detection.c: New.
4261
        * graphite-scop-detection.h: New.
4262
        * Makefile.in: Add new rule for graphite-scop-detection.o.
4263
 
4264
        * sese.c: Include tree-chrec.h, tree-data-ref.h, and
4265
        tree-scalar-evolution.h.
4266
        (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
4267
        build_sese_loop_nests): Moved here from graphite.c.
4268
        (param_index): Renamed parameter_index_in_region.
4269
 
4270
2009-02-18  Tobias Grosser  
4271
            Sebastian Pop  
4272
 
4273
        * gcc.dg/graphite/block-0.c: Expected to fail now.
4274
        * gcc.dg/graphite/block-1.c: Same.
4275
        * gcc.dg/graphite/block-5.c: Same.
4276
        * gcc.dg/graphite/block-6.c: Same.
4277
 
4278
2009-02-18  Tobias Grosser  
4279
            Sebastian Pop  
4280
 
4281
        * graphite.h: Separate from graphite_bb_p the polyhedral
4282
        representation in poly_bb_p and the GCC specifics in gimple_bb_p.
4283
        (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
4284
        graphite-data-ref.h.
4285
        (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
4286
        PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
4287
        pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
4288
        SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
4289
        SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
4290
        scop_nb_params): Moved to graphite-poly.h.
4291
        * graphite-data-ref.c: Same.
4292
        * graphite-data-ref.h: New.
4293
        * graphite.c: Same.
4294
        (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
4295
        graphite_trans_bb_strip_mine, strip_mine_profitable_p,
4296
        is_interchange_valid, graphite_trans_bb_block,
4297
        graphite_trans_loop_block, scop_max_loop_depth,
4298
        graphite_trans_scop_block, graphite_apply_transformations,
4299
        new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
4300
        graphite-poly.c.
4301
        * graphite-poly.h: New.
4302
        * graphite-poly.c: New.
4303
        * Makefile.in (OBJS-common): Add graphite-poly.o.
4304
        (graphite-poly.o): New rule.
4305
        * tree-data-ref.h (struct data_reference): Remove unused scop field.
4306
        (DR_SCOP): Removed.
4307
 
4308
2009-02-18  Sebastian Pop  
4309
            Tobias Grosser  
4310
 
4311
        * graphite.c: Replace gb -> gbb.
4312
        * graphite.h: Same.
4313
        * graphite-data-ref.c: Same.
4314
 
4315
2009-02-18  Sebastian Pop  
4316
            Tobias Grosser  
4317
 
4318
        * Makefile.in (OBJS-commmon): Add sese.o.
4319
        (sese.o): New.
4320
        (graphite.o): Add sese.h.
4321
        * graphite.c (bb_in_ss_p, loop_in_sese_p,
4322
        sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
4323
        sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
4324
        Move to sese.
4325
        (block_before_scop): Add missing return.
4326
        (new_scop, free_scop): Remove SESE data structures.
4327
        (scop_record_loop, scan_tree_for_params, find_params_in_bb,
4328
        find_scop_parameters, build_loop_iteration_domains,
4329
        add_conditions_to_domain, register_scop_liveout_renames,
4330
        copy_bb_and_scalar_dependences): Scop -> SESE.
4331
 
4332
        (add_conditions_to_domain): SCoP -> SESE and remove check
4333
        (scop_contains_non_iv_scalar_phi_nodes): New.
4334
        (build_scop_conditions_1, build_scop_conditions): Remove check for
4335
        non iv scalar phi nodes.
4336
        (print_scop_statistics): New.
4337
        (graphite_transform_loops): Cleanup.
4338
 
4339
        * graphite.h: Move to sese & cleanup.
4340
        * sese.c: New.
4341
        * sese.h: New.
4342
 
4343
2009-02-16  Sebastian Pop  
4344
            Tobias Grosser  
4345
 
4346
        * graphite.c (build_scop_conditions_1): Conditions are only
4347
        at the end of a basic block.
4348
 
4349
2009-02-16  Sebastian Pop  
4350
            Tobias Grosser  
4351
 
4352
        * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
4353
        field.
4354
        (GBB_ALPHA): Removed.
4355
 
4356
2009-02-16  Sebastian Pop  
4357
            Tobias Grosser  
4358
 
4359
        * graphite-data-ref.c (graphite_test_dependence): Don't use
4360
        GBB_DYNAMIC_SCHEDULE.
4361
        * graphite.c (new_graphite_bb): Same.
4362
        (free_graphite_bb): Same.
4363
        (build_scop_dynamic_schedules): Removed.
4364
        (graphite_transform_loops): Don't call it.
4365
        * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
4366
        (GBB_DYNAMIC_SCHEDULE): Removed.
4367
 
4368
2009-02-16  Sebastian Pop  
4369
            Tobias Grosser  
4370
 
4371
        * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
4372
        (print_graphite_bb): Same.
4373
        (build_cloog_prog): Same.
4374
 
4375
2009-02-16  Sebastian Pop  
4376
            Tobias Grosser  
4377
 
4378
        * graphite.c (build_cloog_prog): Don't use CloogMatrix.
4379
 
4380
2009-02-16  Sebastian Pop  
4381
            Tobias Grosser  
4382
 
4383
        * graphite.c (build_scop_context): Don't use CloogMatrix.
4384
        * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
4385
        * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
4386
 
4387
2009-02-16  Sebastian Pop  
4388
            Tobias Grosser  
4389
 
4390
        * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
4391
        liveout_renames, add_params fields...
4392
        (struct sese): ... here.
4393
        (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
4394
        SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
4395
 
4396
2009-02-16  Sebastian Pop  
4397
            Tobias Grosser  
4398
 
4399
        * graphite.c (print_scop): Do not print the CLooG program.
4400
        (new_scop, free_scop, initialize_cloog_names, build_scop_context,
4401
        build_cloog_prog, gloog): Don't use SCOP_PROG.
4402
        (find_transform): Renamed scop_to_clast.
4403
        (print_generated_program, debug_generated_program): New.
4404
        (graphite_transform_loops): Adapt to new interface.
4405
        * graphite.h (struct scop): Remove program field.
4406
        (SCOP_PROG): Removed.
4407
        (print_generated_program, debug_generated_program): Declared.
4408
 
4409
2009-02-16  Sebastian Pop  
4410
 
4411
        * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
4412
        (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
4413
        * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
4414
        free_graphite_bb, build_scop_canonical_schedules,
4415
        graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
4416
        schedules are now represented using a ppl_Linear_Expression_t.
4417
        * graphite.h (struct graphite_bb): Same.
4418
        * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
4419
        * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
4420
 
4421
2009-02-15  Sebastian Pop  
4422
 
4423
        * graphite.c: Free local memory.
4424
        * graphite-ppl.c: Same.
4425
 
4426
2009-02-15  Sebastian Pop  
4427
 
4428
        * graphite.c (const_column_index, get_first_matching_sign_row_index,
4429
        get_lower_bound_row, get_upper_bound_row, copy_constraint,
4430
        swap_constraint_variables, scale_constraint_variable): Removed.
4431
        (graphite_trans_bb_strip_mine): Remove pong.
4432
        * graphite-ppl.c: Include missing header files.
4433
        (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
4434
        * graphite-ppl.h (ppl_strip_loop): Declared.
4435
        * Makefile.in (graphite-ppl.o): Adjust dependences.
4436
 
4437
2009-02-14  Sebastian Pop  
4438
 
4439
        * graphite.c (build_loop_iteration_domains): Remove ping pong.
4440
        (build_scop_iteration_domain): Same.
4441
 
4442
2009-02-13  Sebastian Pop  
4443
 
4444
        * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
4445
        ping pong.
4446
        (add_value_to_dim, scan_tree_for_params_right_scev,
4447
        scan_tree_for_params_int): New.
4448
        * graphite-ppl.c (oppose_constraint): New.
4449
        (insert_constraint_into_matrix): Implement missing cases.
4450
        * graphite-ppl.h (insert_constraint_into_matrix): Declared.
4451
 
4452
2009-02-13  Sebastian Pop  
4453
 
4454
        * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
4455
        use ppl_move_dimension.
4456
 
4457
2009-02-12  Sebastian Pop  
4458
 
4459
        * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
4460
        * graphite.c: Same.
4461
        * graphite.h: Same.
4462
        * graphite-ppl.c: Same.
4463
        * graphite-ppl.h: Same.
4464
 
4465
2009-02-12  Sebastian Pop  
4466
 
4467
        Revert last 3 commits.
4468
 
4469
2009-02-10  Sebastian Pop  
4470
 
4471
        * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
4472
        ping pong.
4473
        (add_value_to_dim, scan_tree_for_params_right_scev,
4474
        scan_tree_for_params_int): New.
4475
        * graphite-ppl.c (oppose_constraint): New.
4476
        (insert_constraint_into_matrix): Implement missing cases.
4477
        * graphite-ppl.h (insert_constraint_into_matrix): Declared.
4478
 
4479
2009-02-10  Sebastian Pop  
4480
 
4481
        * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
4482
 
4483
2009-02-10  Sebastian Pop  
4484
            Tobias Grosser  
4485
 
4486
        * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
4487
        use ppl_move_dimension.
4488
        * graphite-ppl.c (ppl_move_dimension): New.
4489
        * graphite-ppl.h (ppl_move_dimension): Declared.
4490
 
4491
2009-02-10  Sebastian Pop  
4492
 
4493
        * graphite.c: Do not include cloog/cloog.h.
4494
        (print_graphite_bb): Remove ping pong, call PPL print function.
4495
 
4496
2009-02-10  Tobias Grosser  
4497
 
4498
        * Makefile.in (OBJS-common): Add graphite-ppl.o.
4499
        (graphite.o): Add dependence on graphite-ppl.h.
4500
        (graphite-ppl.o): New.
4501
        (graphite-data-ref.c): Ping pong between PPL data structures
4502
        and matrices.
4503
        * graphite-ppl.c: New.
4504
        * graphite-ppl.h: New.
4505
        * graphite.c: Include graphite-ppl.h.
4506
        (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
4507
        graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
4508
        Ping pong between PPL data structures and matrices.
4509
        (new_graphite_bb): Create a PPL constraint system.
4510
        Call ppl_delete_Constraint_System instead of cloog_matrix_free.
4511
        (build_loop_iteration_domains): Use PPL functions.
4512
        * graphite.h: Include graphite-ppl.h.  Fix comments.
4513
        (graphite_bb): Use a ppl_Constraint_System_t instead of
4514
        CloogMatrix for representing the domain.
4515
        (scop): Remove static_schedule.
4516
        (gbb_nb_loops): Ping pong between PPL data structures and matrices.
4517
 
4518
2009-02-06  Sebastian Pop  
4519
 
4520
        * graphite.c: Fix some comments.
4521
 
4522
2009-02-05  Sebastian Pop  
4523
 
4524
        PR middle-end/38953
4525
        * graphite.c (if_region_set_false_region): After moving a region
4526
        in the false branch of a condition, remove the empty dummy
4527
        basic block.
4528
        (gloog): Remove wrong fix for PR38953.
4529
 
4530
2009-02-03  Tobias Grosser  
4531
 
4532
        * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
4533
        sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
4534
        register_bb_in_sese, new_sese, free_sese): Moved.
4535
        (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
4536
        outermost_loop_in_scop, build_scop_iteration_domain,
4537
        expand_scalar_variables_ssa_name, get_vdef_before_scop,
4538
        limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
4539
        Use loop_in_sese_p instead of loop_in_scop_p.
4540
        (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
4541
        (free_scop): Do not free SCOP_BBS_B.
4542
        (nb_loops_around_loop_in_scop, nb_loops_around_gb,
4543
        ref_nb_loops): Moved here...
4544
        * graphite.h (ref_nb_loops): ... from here.
4545
        (struct scop): Remove bbs_b bitmap.
4546
        (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
4547
        * gcc.dg/graphite/scop-19.c: New
4548
 
4549
2009-02-03  Tobias Grosser  
4550
 
4551
        * graphite.c (scopdet_basic_block_info): Fix bug in scop
4552
        detection.
4553
 
4554
2009-01-30  Tobias Grosser  
4555
 
4556
        * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
4557
        eq_loop_to_cloog_loop): Remove.
4558
        (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
4559
        * graphite.h (struct scop): Remove loop2cloog_loop.
4560
        (loop_domain_dim, loop_iteration_vector_dim): Remove.
4561
 
4562
2009-01-30  Tobias Grosser  
4563
 
4564
        * opts.c (decode_options): Only add graphite options to O2
4565
        if we compile with graphite enabled.
4566
 
4567
2009-01-26  Sebastian Pop  
4568
 
4569
        * Merge from mainline (r143163:143684).
4570
 
4571
2009-01-26  Sebastian Pop  
4572
 
4573
        * graphite.c (debug_value): Removed.
4574
        * graphite.h (debug_value): Removed.
4575
 
4576
2009-01-23  Sebastian Pop  
4577
 
4578
        * passes.c (init_optimization_passes): Do not call pass_copy_prop
4579
        after graphite: pass_copy_prop does not maintain a proper loop closed
4580
        SSA form.  pass_copy_prop should be fixed.
4581
 
4582
2009-01-23  Sebastian Pop  
4583
 
4584
        * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
4585
 
4586
2009-01-23  Sebastian Pop  
4587
 
4588
        * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
4589
        (gloog): Split the exit of the scop when the scop exit is a loop exit.
4590
        (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
4591
        changed the CFG.
4592
 
4593
2009-01-20  Sebastian Pop  
4594
 
4595
        * graphite.c (gloog): Return true when code gen succeeded.
4596
        (graphite_transform_loops): Do not call cleanup_tree_cfg if
4597
        the code of the function did not changed.  After cleanup_tree_cfg
4598
        call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
4599
        form.
4600
 
4601
2009-01-19  Sebastian Pop  
4602
 
4603
        * graphite.c (stmt_simple_for_scop_p): Also handle cases when
4604
        gimple_call_lhs is NULL.
4605
 
4606
2009-01-16  Sebastian Pop  
4607
            Tobias Grosser  
4608
 
4609
        * graphite.c (graphite_trans_scop_block): Do not block single
4610
        nested loops.
4611
 
4612
2009-01-15  Sebastian Pop  
4613
            Tobias Grosser  
4614
 
4615
        * graphite.c (build_scop_canonical_schedules): Start schedules at
4616
        zero.
4617
 
4618
2009-01-15  Sebastian Pop  
4619
            Tobias Grosser  
4620
 
4621
        * graphite.c (compare_prefix_loops): New.
4622
        (build_scop_canonical_schedules): Rewritten.
4623
        (graphite_transform_loops): Move build_scop_canonical_schedules
4624
        after build_scop_iteration_domain.
4625
 
4626
2009-01-14  Sebastian Pop  
4627
            Tobias Grosser  
4628
 
4629
        * graphite.c (add_conditions_to_domain): Add the loops to
4630
        the dimension of the iteration domain.  Do copy the domain
4631
        only when it exists.
4632
        (build_scop_conditions_1): Do not call add_conditions_to_domain.
4633
        (add_conditions_to_constraints): New.
4634
        (can_generate_code_stmt, can_generate_code): Removed.
4635
        (gloog): Do not call can_generate_code.
4636
        (graphite_transform_loops): Call add_conditions_to_constraints
4637
        after building the iteration domain.
4638
 
4639
2009-01-14  Sebastian Pop  
4640
            Tobias Grosser  
4641
            Jan Sjodin  
4642
 
4643
        * graphite.c (scan_tree_for_params): On substractions negate
4644
        all the coefficients of the term.
4645
        (clast_to_gcc_expression_red): New.  Handle reduction expressions
4646
        of more than two operands.
4647
        (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
4648
        (get_vdef_before_scop): Handle also the case of default definitions.
4649
 
4650
2009-01-14  Sebastian Pop  
4651
 
4652
        PR middle-end/38431
4653
        * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
4654
        (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
4655
        (gloog): Do not call cleanup_tree_cfg.
4656
        (graphite_transform_loops): Call cleanup_tree_cfg after all
4657
        scops have been code generated.
4658
 
4659
2009-01-13  Sebastian Pop  
4660
 
4661
        * passes.c (init_optimization_passes): Schedule after
4662
        graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
4663
 
4664
2009-01-13  Sebastian Pop  
4665
 
4666
        * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
4667
        Fix comment.
4668
        (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
4669
        Set the type of an expression to the type of its assign statement.
4670
        (expand_scalar_variables_expr):  Do not pass loop_p.
4671
        Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
4672
        (copy_bb_and_scalar_dependences): Do not pass loop_p.
4673
        (translate_clast): Update call to copy_bb_and_scalar_dependences.
4674
 
4675
2009-01-11  Sebastian Pop  
4676
 
4677
        * graphite.c (expand_scalar_variables_ssa_name): Set the type of
4678
        an expression to the gimple_expr_type of its assign statement.
4679
        (expand_scalar_variables_expr): Stop recursion on tcc_constant
4680
        or tcc_declaration.
4681
 
4682
2009-01-11  Sebastian Pop  
4683
 
4684
        PR tree-optimization/38786
4685
        * gcc.dg/graphite/pr38786.c: New.
4686
        * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
4687
        the SSA_NAME case of expand_scalar_variables_expr.
4688
        (expand_scalar_variables_expr): Also gather the scalar computation
4689
        used to index the memory access.
4690
        (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
4691
        the gimple_stmt_iterator where it inserts new code.
4692
 
4693
2009-01-10  Sebastian Pop  
4694
 
4695
        * gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
4696
 
4697
2009-01-10  Sebastian Pop  
4698
 
4699
        * opts.c (decode_options): Enable flag_graphite_identity and
4700
        flag_loop_block in -O2 and above.
4701
 
4702
2009-01-08  Sebastian Pop  
4703
 
4704
        * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
4705
        Fix merge problem: replace with the file from trunk.
4706
 
4707
2009-01-08  Sebastian Pop  
4708
 
4709
        * Merge from mainline (r141727:143163).
4710
 
4711
2009-01-07  Sebastian Pop  
4712
            Jan Sjodin  
4713
 
4714
        PR tree-optimization/38559
4715
        * gcc.dg/graphite/pr38559.c: New.
4716
 
4717
        * graphite.c (debug_value, copy_constraint,
4718
        swap_constraint_variables, scale_constraint_variable, ): New.
4719
        (get_lower_bound, get_upper_bound): Removed.
4720
        (graphite_trans_bb_strip_mine): Clean up this code that works
4721
        only for constant number of iterations.  Fully copy upper and
4722
        lower bound constraints, not only the constant part of them.
4723
        * graphite.h (debug_value): Declared.
4724
 
4725
2009-01-06  Jan Sjodin  
4726
 
4727
        PR tree-optimization/38492
4728
        PR tree-optimization/38498
4729
        * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
4730
        * tree-chrec.h (scev_is_linear_expression): Declared.
4731
        * graphite.c (graphite_cannot_represent_loop_niter): New.
4732
        (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
4733
        (graphite_loop_normal_form): Use gcc_assert.
4734
        (scan_tree_for_params): Use CASE_CONVERT.
4735
        (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
4736
        (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
4737
        Use gcc_assert.  Discard scops that contain unhandled cases.
4738
        (build_scop_conditions): Return a boolean status for unhandled cases.
4739
        (strip_mine_profitable_p): Print the loop number, not its depth.
4740
        (is_interchange_valid): Pass the depth of the loop nest, don't
4741
        recompute it wrongly.
4742
        (graphite_trans_bb_block): Same.
4743
        (graphite_trans_bb_block): Print tentative of loop blocking.
4744
        (graphite_trans_scop_block): Do not print that the loop has been
4745
        blocked.
4746
        (graphite_transform_loops): Do not handle scops that contain condition
4747
        scalar phi nodes.
4748
 
4749
        * gcc.dg/graphite/pr38500.c: Fixed warning as committed
4750
        in trunk.
4751
        * gcc.dg/graphite/block-0.c: Update test.
4752
        * gcc.dg/graphite/block-1.c: Same.
4753
        * gcc.dg/graphite/block-2.c: Remove xfail and test for
4754
        blocking.
4755
        * gcc.dg/graphite/block-4.c: Remove test for strip mine.
4756
        * gcc.dg/graphite/block-3.c: New.
4757
        * gcc.dg/graphite/pr38498.c: New.
4758
 
4759
2008-12-22  Harsha Jagasia  
4760
 
4761
        PR tree-optimization/38510
4762
        * gcc.dg/graphite/pr38510.c: New.
4763
        * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
4764
          (translate_clast): Call recompute_all_dominators before
4765
          graphite_verify.
4766
          (gloog): Call recompute_all_dominators before graphite_verify.
4767
 
4768
2008-12-12  Sebastian Pop  
4769
 
4770
        PR tree-optimization/38492
4771
        * graphite.c (rename_map_elt, debug_rename_elt,
4772
        debug_rename_map_1, debug_rename_map, new_rename_map_elt,
4773
        rename_map_elt_info, eq_rename_map_elts,
4774
        get_new_name_from_old_name, bb_in_sese_p): Moved around.
4775
        (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
4776
        (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
4777
        (sese_build_livein_liveouts): New.
4778
        (new_sese, free_sese): New.
4779
        (new_scop): Call new_sese.
4780
        (free_scop): Call free_sese.
4781
        (rename_variables_from_edge, rename_phis_end_scop): Removed.
4782
        (register_old_new_names): Renamed register_old_and_new_names.
4783
        (register_scop_liveout_renames, add_loop_exit_phis,
4784
        insert_loop_close_phis, struct igp,
4785
        default_liveout_before_guard, add_guard_exit_phis,
4786
        insert_guard_phis, copy_renames): New.
4787
        (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
4788
        (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
4789
        (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
4790
        (scop_adjust_phis_for_liveouts): New.
4791
        (gloog): Call scop_adjust_phis_for_liveouts.
4792
 
4793
        * graphite.h (struct sese): Documented.  Added fields liveout,
4794
        num_ver and livein.
4795
        (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
4796
        (new_sese, free_sese, sese_build_livein_liveouts): Declared.
4797
        (struct scop): Added field liveout_renames.
4798
        (SCOP_LIVEOUT_RENAMES): New.
4799
 
4800
2008-12-11  Sebastian Pop  
4801
 
4802
        PR tree-optimization/38409
4803
        * gcc.dg/graphite/pr38409.c: New.
4804
        * graphite.c (nb_reductions_in_loop): Use simple_iv.
4805
 
4806
2008-12-11  Sebastian Pop  
4807
 
4808
        * graphite.c (gcc_type_for_cloog_iv): By default return
4809
        integer_type_node.
4810
        (graphite_create_new_loop): Don't fold_convert the already
4811
        fold_convert-ed expression.
4812
 
4813
2008-12-11  Harsha Jagasia  
4814
 
4815
        PR tree-optimization/38446
4816
        * gcc.dg/graphite/pr38446.c: New.
4817
        * graphite.c (register_bb_in_sese): New.
4818
        (bb_in_sese_p): Check if bb belongs to sese region by explicitly
4819
        looking at the bbs in the region.
4820
        * graphite.h (sese): Add region_basic_blocks pointer set to
4821
        structure and initialize at the time of defining new scop.
4822
 
4823
2008-12-11  Tobias Grosser  
4824
 
4825
        * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
4826
        (find_params_in_bb): Do not free data refs.
4827
        (free_graphite_bb): Add FIXME on disabled free_data_refs.
4828
 
4829
2008-12-11  Sebastian Pop  
4830
 
4831
        * gcc.dg/graphite/scop-16.c: Test only scop specific info.
4832
        * gcc.dg/graphite/scop-17.c: Same.
4833
        * gcc.dg/graphite/block-5.c: New.
4834
        * gcc.dg/graphite/block-6.c: New.
4835
        * gcc.dg/graphite/pr37485.c: Clean dump file after.
4836
        * gcc.dg/graphite/pr37684.c: Same.
4837
        * gcc.dg/graphite/block-2.c: Same.
4838
 
4839
        * graphite.c (struct ivtype_map_elt): New.
4840
        (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
4841
        new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
4842
        gcc_type_for_cloog_iv): New.
4843
        (loop_iv_stack_patch_for_consts): Use the type of the induction
4844
        variable from the original loop, except for the automatically
4845
        generated loops, i.e., in the case of a strip-mined loop, in
4846
        which case there is no original loop: in that case just use
4847
        integer_type_node.
4848
        (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
4849
        (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
4850
        (clast_name_to_gcc): Accept params to be NULL.
4851
        (clast_to_gcc_expression): Take an extra parameter for the type.
4852
        Convert to that type all the expressions built by this function.
4853
        (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
4854
        (graphite_translate_clast_equation): Compute the type of the
4855
        clast_equation before translating its LHS and RHS.
4856
        (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
4857
        (graphite_create_new_loop): Compute the type of the induction
4858
        variable before translating the lower and upper bounds and before
4859
        creating the induction variable.
4860
        (rename_variables_from_edge, rename_phis_end_scop): New.
4861
        (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
4862
        (sese_add_exit_phis_edge): Do not use integer_zero_node.
4863
        (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
4864
        compute_cloog_iv_types): New.
4865
        (gloog): Call compute_cloog_iv_types before starting the
4866
        translation of the clast.
4867
 
4868
        * graphite.h (struct graphite_bb): New field cloog_iv_types.
4869
        (GBB_CLOOG_IV_TYPES): New.
4870
        (debug_ivtype_map): Declared.
4871
        (oldiv_for_loop): New.
4872
 
4873
2008-12-10  Tobias Grosser  
4874
 
4875
        PR middle-end/38459
4876
        * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
4877
        (param_index): Assert if parameter is not know after parameter
4878
        detection.
4879
        (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
4880
        (find_scop_parameters): Mark, that we have finished parameter
4881
        detection.
4882
        (graphite_transform_loops): Move condition detection before parameter
4883
        detection.
4884
        * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
4885
        * gfortran.dg/graphite/pr38459.f90: New.
4886
 
4887
2008-12-09  Tobias Grosser  
4888
 
4889
        * graphite.c (graphite_transform_loops): Always call find_transform ()
4890
        in ENABLE_CHECKING.  So we test these code paths, even if we do not
4891
        generate code.
4892
 
4893
2008-12-09  Tobias Grosser  
4894
 
4895
        * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
4896
        (print_scop): Ditto.
4897
 
4898
2008-12-08  Tobias Grosser  
4899
 
4900
        PR middle-end/38084
4901
        Fix gfortran.dg/graphite/id-3.f90.
4902
        * graphite.c (scopdet_basic_block_info): Fix bug that found some
4903
        regions more than once.
4904
 
4905
2008-12-03  Sebastian Pop  
4906
 
4907
        Fix gfortran.dg/graphite/id-4.f90.
4908
        * graphite.c (scan_tree_for_params): Do not compute the multiplicand
4909
        when not needed.
4910
 
4911
2008-12-03  Sebastian Pop  
4912
 
4913
        Fix gfortran.dg/graphite/id-1.f90.
4914
        * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
4915
        (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
4916
        (max_precision_type): New.
4917
        (value_clast): Removed.
4918
        (clast_to_gcc_expression): Be more careful to types of expressions.
4919
        Use max_precision_type and update use of gmp_cst_to_tree.
4920
        (graphite_translate_clast_equation): Use max_precision_type.
4921
        (graphite_create_guard_cond_expr): Do not use integer_type_node,
4922
        use the type of the condition.
4923
        (graphite_create_new_loop): Do not use integer_type_node, use the
4924
        max_precision_type of lb and ub.
4925
 
4926
2008-12-03  Sebastian Pop  
4927
 
4928
        * graphite.c (build_scops_1): Initialize open_scop.exit
4929
        and sinfo.last.
4930
 
4931
2008-12-02  Sebastian Pop  
4932
 
4933
        * gcc.dg/graphite/pr38084.c: New.
4934
        * gfortran.dg/graphite/id-1.f90: New.
4935
        * gfortran.dg/graphite/id-2.f90: New.
4936
        * gfortran.dg/graphite/id-3.f90: New.
4937
        * gfortran.dg/graphite/id-4.f90: New.
4938
        * gfortran.dg/graphite/pr37857.f90: New.
4939
 
4940
2008-12-02  Sebastian Pop  
4941
            Jan Sjodin  
4942
            Harsha Jagasia  
4943
 
4944
        PR middle-end/37852
4945
        PR middle-end/37883
4946
        PR middle-end/37928
4947
        PR middle-end/37980
4948
        PR middle-end/38038
4949
        PR middle-end/38039
4950
        PR middle-end/38073
4951
        PR middle-end/38083
4952
        PR middle-end/38125
4953
 
4954
        * gcc.dg/graphite/pr38073.c: New.
4955
        * gcc.dg/graphite/pr37928.c: New.
4956
        * gcc.dg/graphite/pr37883.c: New.
4957
        * gcc.dg/graphite/pr38125.c: New.
4958
        * gfortran.dg/graphite/pr38083.f90: New.
4959
        * gfortran.dg/graphite/pr37852.f90: New.
4960
        * gfortran.dg/graphite/pr37980.f90: New.
4961
 
4962
        * gcc.dg/graphite/scop-18.c: Remove reduction, test for
4963
        the number of detected scops.  Copy exact same test for loop
4964
        blocking...
4965
        * gcc.dg/graphite/block-1.c: Fix the number of expected
4966
        loops to be blocked as reductions are not handled.
4967
        * gcc.dg/graphite/block-4.c: ...here.  New.
4968
 
4969
        * tree-phinodes.c (remove_phi_nodes): New, extracted from...
4970
        * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
4971
        ...here.
4972
        * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
4973
        * Makefile.in (graphite.o): Depend on value-prof.h.
4974
        (graphite.o-warn): Removed -Wno-error.
4975
        * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
4976
        to be a NULL pointer.  Call update_stmt.  Return the newly created
4977
        cannonical induction variable.
4978
 
4979
        * graphite.h (debug_rename_map): Declared.  Fix some comments.
4980
 
4981
        * graphite.c: Reimplement the code generation from graphite to gimple.
4982
        Include value-prof.h.
4983
        (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
4984
        (get_old_iv_from_ssa_name): Removed.
4985
        (graphite_stmt_p): New.
4986
        (new_graphite_bb): Test for useful statements before building a
4987
        graphite statement for the basic block.
4988
        (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
4989
        in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
4990
        reason.
4991
        (recompute_all_dominators, graphite_verify,
4992
        nb_reductions_in_loop, graphite_loop_normal_form): New.
4993
        (scop_record_loop): Call graphite_loop_normal_form.
4994
        (build_scop_loop_nests): Iterate over all the blocks of the
4995
        function instead of relying on the incomplete information from
4996
        SCOP_BBS.  Return the success of the operation.
4997
        (find_params_in_bb): Use the data from GBB_DATA_REFS.
4998
        (add_bb_domains): Removed.
4999
        (build_loop_iteration_domains): Don't call add_bb_domains.
5000
        Add the iteration domain only to the basic blocks that have been
5001
        translated to graphite.
5002
        (build_scop_conditions_1): Add constraints only if the basic
5003
        block have been translated to graphite.
5004
        (build_scop_data_accesses): Completely disabled until data
5005
        dependence is correctly implemented.
5006
        (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
5007
        (remove_all_edges_1, remove_all_edges): Removed.
5008
        (get_new_name_from_old_name): New.
5009
        (graphite_rename_variables_in_stmt): Renamed
5010
        rename_variables_in_stmt.  Call get_new_name_from_old_name.
5011
        Use replace_exp and update_stmt.
5012
        (is_old_iv): Renamed is_iv.
5013
        (expand_scalar_variables_stmt): Extra parameter for renaming map.
5014
        Use replace_exp and update_stmt.
5015
        (expand_scalar_variables_expr): Same.  Use the map to get the
5016
        new names for the renaming of induction variables and for the
5017
        renaming of variables after a basic block has been copied.
5018
        (expand_scalar_variables): Same.
5019
        (graphite_rename_variables): Renamed rename_variables.
5020
        (move_phi_nodes): Removed.
5021
        (get_false_edge_from_guard_bb): New.
5022
        (build_iv_mapping): Do not insert the induction variable of a
5023
        loop in the renaming iv map if the basic block does not belong
5024
        to that loop.
5025
        (register_old_new_names, graphite_copy_stmts_from_block,
5026
        copy_bb_and_scalar_dependences): New.
5027
        (translate_clast): Heavily reimplemented: copy basic blocks,
5028
        do not move them.  Finally, in call cleanup_tree_cfg in gloog.
5029
        At each translation step call graphite_verify ensuring the
5030
        consistency of the SSA, loops and dominators information.
5031
        (collect_virtual_phis, find_vdef_for_var_in_bb,
5032
        find_vdef_for_var_1, find_vdef_for_var,
5033
        patch_phis_for_virtual_defs): Removed huge hack.
5034
        (mark_old_loops, remove_dead_loops, skip_phi_defs,
5035
        collect_scop_exit_phi_args, patch_scop_exit_phi_args,
5036
        gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
5037
        (remove_sese_region, ifsese, if_region_entry, if_region_exit,
5038
        if_region_get_condition_block, if_region_set_false_region,
5039
        create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
5040
        sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
5041
        sese_add_exit_phis_edge, sese_add_exit_phis_var,
5042
        rewrite_into_sese_closed_ssa): New.
5043
        (gloog): Remove dead code.  Early return if code cannot be
5044
        generated.  Call cleanup_tree_cfg once the scop has been code
5045
        generated.
5046
        (graphite_trans_scop_block, graphite_trans_loop_block): Do not
5047
        block loops with less than two loops.
5048
        (graphite_apply_transformations): Remove the call to
5049
        scop_remove_ignoreable_gbbs.
5050
        (limit_scops): When build_scop_loop_nests fails, continue on
5051
        the next scop.  Fix open_scop.entry.
5052
        (graphite_transform_loops): Call recompute_all_dominators: force the
5053
        recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
5054
        Call initialize_original_copy_tables and free_original_copy_tables
5055
        to be able to copy basic blocks during code generation.
5056
        When build_scop_loop_nests fails, continue on next scop.
5057
        (value_clast): New union.
5058
        (clast_to_gcc_expression): Fix type cast warning.
5059
 
5060
2008-11-09  Sebastian Pop  
5061
 
5062
        * Merge from mainline (r140838:141727).
5063
 
5064
2008-11-05  Tobias Grosser  
5065
 
5066
        PR middle-end/37833
5067
 
5068
        * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
5069
 
5070
2008-11-05  Tobias Grosser  
5071
 
5072
        PR middle-end/37943
5073
 
5074
        * graphite.c (scopdet_basic_block_info): Fix loops with multiple
5075
        exits and conditions.
5076
        * gcc.dg/graphite/pr37943.c: New.
5077
 
5078
2008-10-23  Tobias Grosser  
5079
 
5080
        PR middle-end/37886
5081
        * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
5082
 
5083
2008-10-23  Tobias Grosser  
5084
 
5085
        * doc/invoke.texi: Fix spaces.
5086
 
5087
2008-10-22  Sebastian Pop  
5088
 
5089
        PR tree-optimization/37891
5090
        Reverted last commit.
5091
        * graphite.c (create_single_entry_edge): Set
5092
        EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
5093
 
5094
2008-10-21  Sebastian Pop  
5095
            Mitul Thakkar  
5096
 
5097
        * graphite.c (create_single_entry_edge): Set
5098
        EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
5099
 
5100
2008-10-16  Tobias Grosser  
5101
 
5102
        * doc/invoke.texi: Add -fgraphite-identity.
5103
        * graphite.c (graphite_apply_transformations): Check for
5104
        -fgraphite-identity.
5105
        * toplev.c (process_options): Add flag_graphite_identity.
5106
        * tree-ssa-loop.c: Add flag_graphite_identity.
5107
 
5108
2008-10-14  Sebastian Pop  
5109
 
5110
        Undo changes from 2008-10-02:
5111
        * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
5112
        operand type when copying the operand to a variable of different type.
5113
        * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
5114
        with the IV name after increment.
5115
 
5116
2008-10-14  Sebastian Pop  
5117
            Harsha Jagasia  
5118
 
5119
        PR tree-optimization/37828
5120
        * gcc.dg/graphite/pr37828.c: New.
5121
        * graphite.c (graphite_trans_loop_block): Do not loop block
5122
        single nested loops.
5123
 
5124
2008-10-09  Harsha Jagasia  
5125
            Sebastian Pop  
5126
 
5127
        * graphite.c (struct rename_map_elt, new_rename_map_elt,
5128
        rename_map_elt_info, eq_rename_map_elts): New.
5129
        (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
5130
        (expand_scalar_variables_expr): Change parameters.
5131
        (expand_scalar_variables_stmt): Same.
5132
        (expand_scalar_variables): Same.
5133
        (graphite_rename_ivs): Rename graphite_rename_variables.
5134
        (build_iv_mapping): New.
5135
        (translate_clast): Call build_iv_mapping.
5136
        * graphite.h (gbb_p): New name.
5137
 
5138
2008-10-03  Harsha Jagasia  
5139
 
5140
        PR tree-optimization/37684
5141
        * gcc.dg/graphite/pr37684.c: New.
5142
        * graphite.c (exclude_component_ref): New.
5143
        (is_simple_operand): Call exclude_component_ref.
5144
 
5145
2008-10-02  Jan Sjodin  
5146
            Harsha Jagasia  
5147
 
5148
        PR tree-optimization/37485
5149
        * gcc.dg/graphite/block-2.c: New
5150
        * graphite.c (gmp_cst_to_tree): Moved.
5151
        (iv_stack_entry_is_constant): New.
5152
        (iv_stack_entry_is_iv): New.
5153
        (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
5154
        (loop_iv_stack_insert_constant): New.
5155
        (loop_iv_stack_pop): Use new datatpype.
5156
        (loop_iv_stack_get_iv): Same.
5157
        (loop_iv_stack_get_iv_from_name): Same.
5158
        (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
5159
        (loop_iv_stack_patch_for_consts): New.
5160
        (loop_iv_stack_remove_constants): New.
5161
        (graphite_create_new_loop): Use loop_iv_stack_push_iv.
5162
        (translate_clast): Call loop_iv_stack_patch_for_consts and
5163
        loop_iv_stack_remove_constants.
5164
        (gloog): Use new datatype.  Redirect construction edge to end
5165
        block to avoid accidental deletion.
5166
        * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
5167
        iv stack entry.
5168
        (union iv_stack_entry_data): New.  Data in iv stack entry.
5169
        (struct iv_stack_entry): New.  Datatype for iv stack entries.
5170
 
5171
2008-10-02  Sebastian Pop  
5172
 
5173
        * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
5174
        operand type when copying the operand to a variable of different type.
5175
 
5176
2008-10-02  Sebastian Pop  
5177
 
5178
        * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
5179
        with the IV name after increment.
5180
 
5181
2008-10-02  Sebastian Pop  
5182
 
5183
        * Merge from mainline (r140164:140838).
5184
 
5185
2008-09-10  Konrad Trifunovic  
5186
 
5187
        * graphite-data-ref.c: New.
5188
        * graphite.c (print_scop): Also dump the dependence graph.
5189
        (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
5190
        (new_scop): Initialize SCOP_DEP_GRAPH.
5191
        (build_scop_dynamic_schedules): New.
5192
        (build_access_matrix_with_af): Fixed column numbering.
5193
        (graphite_transform_loops): Call build_scop_dynamic_schedules.
5194
        * graphite.h: Add ifndef/define guards against multiple inclusion.
5195
        (struct scop): Add dep_graph field.
5196
        (SCOP_DEP_GRAPH): Defined.
5197
        (ref_nb_loops): Fixed and moved to other position.
5198
        (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
5199
        (nb_loops_around_loop_in_scop): New.
5200
        (graphite_dump_dependence_graph): Declared.
5201
        (graphite_build_rdg_all_levels): Declared.
5202
        (graphite_test_dependence): Declared.
5203
        * Makefile.in (graphite-data-ref.o): New target.
5204
 
5205
2008-09-09  Sebastian Pop  
5206
 
5207
        * Merge from mainline (139870:140164).
5208
 
5209
2008-09-01  Sebastian Pop  
5210
 
5211
        * Merge from mainline (138275:139870).
5212
        * gcc.dg/graphite/scop-matmult.c: XFailed as one of
5213
        the commits from trunk broke the niter detection.
5214
 
5215
2008-09-01  Sebastian Pop  
5216
 
5217
        * graphite.c: Add more documentation.  Fix formatting.
5218
        (debug_loop_vec, debug_oldivs, loop_iv_stack,
5219
        loop_iv_stack_debug): Moved...
5220
        (schedule_to_scattering): Move before use.
5221
        (dot_all_scops): Include in "#if 0" the code for system
5222
        call dotty.
5223
 
5224
        * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
5225
        loop_iv_stack_debug): ...here.
5226
 
5227
2008-08-29  Jan Sjodin  
5228
 
5229
        * tree-phinodes.c (make_phi_node): Extern.
5230
        (add_phi_node_to_bb): New.
5231
        (create_phi_node): Call add_phi_node_to_bb.
5232
        * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
5233
        (remove_statement): Handle case where stored phi was updated
5234
        and is no longer the same.
5235
        * graphite.c (is_parameter): New.
5236
        (is_old_iv): New.
5237
        (expand_scalar_variables_expr): New.
5238
        (expand_scalar_variables_stmt): New.
5239
        (expand_scalar_variables): New.
5240
        (move_phi_nodes): Create new phi instead of moving old one.
5241
        (translate_clast): Call expand_scalar_variables.
5242
        (find_vdef_for_var_in_bb): Also scan regular definitions.
5243
        (skip_phi_defs): New.
5244
        (collect_scop_exit_phi_args): New.
5245
        (patch_scop_exit_phi_args): New.
5246
        (gloog): Patch phis after scop.
5247
        * tree-flow.h: (add_phi_node_to_bb): Declared.
5248
        (make_phi_node): Declared.
5249
 
5250
2008-08-26  Sebastian Pop  
5251
 
5252
        * graphite.c (end_scop): Split the entry of the scop when it
5253
        is the header of the loop in which the scop is ending.
5254
        (build_scops_1, limit_scops): Update uses of end_scop.
5255
 
5256
2008-08-26  Sebastian Pop  
5257
 
5258
        * graphite.c (dot_all_scops_1): Do not fail on uninitialized
5259
        SCOP_ENTRY or SCOP_EXIT.
5260
 
5261
2008-08-25  Sebastian Pop  
5262
 
5263
        * graphite.c (get_construction_edge): Removed.
5264
        (gloog): Construction edge is the scop entry edge.
5265
 
5266
2008-08-25  Sebastian Pop  
5267
 
5268
        * graphite.c (can_generate_for_scop): Removed.
5269
        (gloog): Do not call it.
5270
 
5271
2008-08-25  Sebastian Pop  
5272
 
5273
        * graphite.c (new_scop): Entry of a scop is an edge.
5274
        Initialize SESE region.
5275
        (free_scop): Free SESE region.
5276
        (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
5277
        (split_difficult_bb): New, split from end_scop.
5278
        (end_scop): Exit of a scop is an edge.
5279
        (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
5280
        not automatically updated and thus is always wrong.
5281
        * graphite.h (struct sese): New.
5282
        (SESE_ENTRY): New.
5283
        (SESE_EXIT): New.
5284
        (struct scop): New field for a SESE region.  Remove entry, exit.
5285
        (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
5286
        semantics as before.  Moved comment around.
5287
 
5288
2008-08-25  Tobias Grosser  
5289
            Sebastian Pop  
5290
 
5291
        * graphite.c (graphite_transform_loops): Always enable gloog
5292
        and find_transform when ENABLE_CHECKING.
5293
 
5294
2008-08-25  Sebastian Pop  
5295
 
5296
        * graphite.c (graphite_transform_loops): Move pretty printer
5297
        of SCOPs before doing any transform.  Remove call to print_scops
5298
        and dot_all_scops_1.
5299
 
5300
2008-08-25  Sebastian Pop  
5301
 
5302
        * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
5303
        (print_graphite_bb): Same.
5304
 
5305
2008-08-25  Sebastian Pop  
5306
 
5307
        * graphite.c (dot_all_scops_1): Cleanup.
5308
        (move_scops): Fix comment.
5309
 
5310
2008-08-25  Sebastian Pop  
5311
 
5312
        * graphite.c (build_scop_bbs): Revert commit 139355:
5313
 
5314
        2008-08-20  Sebastian Pop  
5315
                    Dwarakanath Rajagopal  
5316
 
5317
                * graphite.c (build_scop_bbs): Factor up code.
5318
 
5319
2008-08-25  Tobias Grosser  
5320
 
5321
        * graphite.c (gloog): Update dominator info.
5322
 
5323
2008-08-25  Tobias Grosser  
5324
 
5325
        * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
5326
 
5327
2008-08-24  Sebastian Pop  
5328
 
5329
        * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
5330
        initialization.
5331
        (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
5332
        (translate_clast): Correct formatting.
5333
        * graphite.h (struct num_map): Removed.
5334
        (struct graphite_bb): Remove num_map field.
5335
        (GBB_INDEX_TO_NUM_MAP): Removed.
5336
 
5337
2008-08-24  Sebastian Pop  
5338
 
5339
        * graphite.c (build_access_matrix_with_af): Fix comments.
5340
        (build_scop_data_accesses): Same.
5341
 
5342
2008-08-24  Sebastian Pop  
5343
 
5344
        * graphite.c (build_scop_data_accesses): Don't construct
5345
        access matrices.  Add a FIXME and an assert condition that
5346
        should pass when the access matrices will be needed.
5347
 
5348
2008-08-24  Sebastian Pop  
5349
 
5350
        * tree-data-ref.c (stmt_simple_memref_p): Don't call
5351
        really_constant_p.
5352
        * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
5353
        Moved close by free_graphite_bb.
5354
        (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
5355
        (new_scop): Move close by free_scop.
5356
        (graphite_transform_loops): Avoid linear scan to reset bb->aux.
5357
 
5358
2008-08-22  Jan Sjodin  
5359
 
5360
        * cfgloopmanip.c (create_empty_if_region_on_edge): New.
5361
        * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
5362
        instead of recursive call.
5363
        (graphite_translate_clast_equation): New.
5364
        (graphite_create_guard_cond_expr): New.
5365
        (graphite_create_new_guard): New.
5366
        (get_stack_index_from_iv): Removed.
5367
        (graphite_rename_ivs_stmt): Use gbb_loop_index.
5368
        (get_true_edge_from_guard_bb): New.
5369
        (translate_clast): Handle stmt_guard in clast.
5370
        (get_construction_edge): Allow construction edge detection for
5371
        a scope entry with multiple predecessors if one predecessor is
5372
        the immediate dominator of scope entry.
5373
        (can_generate_code_stmt): Enable code generation for clast_guard.
5374
        (gloog): Use correct context loop.  Removed check for post dominators.
5375
        * cfgloop.h (create_empty_if_region_on_edge): Declared.
5376
 
5377
2008-08-21  Sebastian Pop  
5378
 
5379
        * graphite.c (remove_dead_loops): Document better which
5380
        loops are removed.
5381
 
5382
2008-08-21  Sebastian Pop  
5383
 
5384
        * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
5385
        and PPLINC.
5386
        (graphite.o): Also depends on pointer-set.h.
5387
 
5388
2008-08-21  Sebastian Pop  
5389
 
5390
        * graphite.c (scop_record_loop): Fix compile warning.
5391
 
5392
2008-08-21  Harsha Jagasia  
5393
            Sebastian Pop  
5394
 
5395
        * graphite.c (scop_record_loop): DECL_NAME can be NULL.
5396
 
5397
2008-08-21  Sebastian Pop  
5398
 
5399
        * graphite.c (build_graphite_bb): Initialize bb->aux to
5400
        point to the graphite_bb_p.
5401
        (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
5402
        content of bb->aux.
5403
        (add_bb_domains): Does not use the scop parameter.
5404
        (graphite_transform_loops): Clean bb->aux at the end.
5405
 
5406
2008-08-20  Dwarakanath Rajagopal  
5407
            Sebastian Pop  
5408
 
5409
        * lib/target-supports.exp
5410
        (check_effective_target_fgraphite): New.
5411
 
5412
        * gcc.dg/graphite/graphite.exp: Early exit when
5413
        check_effective_target_fgraphite returns false.
5414
        Set dg-do-what-default to compile.
5415
        (scan-graphite-dump-times): Removed.
5416
        * gfortran.dg/graphite/graphite.exp: Same.
5417
 
5418
        * gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
5419
        Use scan-tree-dump-times instead of scan-graphite-dump-times.
5420
        * gcc.dg/graphite/scop-1.c: Same.
5421
        * gcc.dg/graphite/scop-2.c: Same.
5422
        * gcc.dg/graphite/scop-3.c: Same.
5423
        * gcc.dg/graphite/scop-4.c: Same.
5424
        * gcc.dg/graphite/scop-5.c: Same.
5425
        * gcc.dg/graphite/scop-6.c: Same.
5426
        * gcc.dg/graphite/scop-7.c: Same.
5427
        * gcc.dg/graphite/scop-8.c: Same.
5428
        * gcc.dg/graphite/scop-9.c: Same.
5429
        * gcc.dg/graphite/scop-10.c: Same.
5430
        * gcc.dg/graphite/scop-11.c: Same.
5431
        * gcc.dg/graphite/scop-12.c: Same.
5432
        * gcc.dg/graphite/scop-13.c: Same.
5433
        * gcc.dg/graphite/scop-matmult.c: Same.
5434
        * gcc.dg/graphite/scop-14.c: Same.
5435
        * gcc.dg/graphite/scop-15.c: Same.
5436
        * gcc.dg/graphite/block-0.c: Same.
5437
        * gcc.dg/graphite/scop-16.c: Same.
5438
        * gcc.dg/graphite/block-1.c: Same.
5439
        * gcc.dg/graphite/scop-17.c: Same.
5440
        * gcc.dg/graphite/scop-18.c: Same.
5441
        * gfortran.dg/graphite/block-1.f90: Same.
5442
        * gfortran.dg/graphite/scop-1.f: Same.
5443
        * gfortran.dg/graphite/block-2.f: Same.
5444
 
5445
2008-08-20  Sebastian Pop  
5446
 
5447
        * graphite.c: Fix some XXX comments.
5448
        (build_scop_dynamic_schedules): Removed.
5449
 
5450
2008-08-20  Sebastian Pop  
5451
 
5452
        * graphite.h (scop_max_loop_depth): Moved...
5453
        * graphite.c (scop_max_loop_depth): ...here.
5454
        (remove_all_edges_1): New.
5455
        (remove_all_edges): Factored code.
5456
        (remove_cond_exprs): Check only the last statement for
5457
        a GIMPLE_COND expression.
5458
 
5459
2008-08-20  Sebastian Pop  
5460
 
5461
        * graphite.c (scan_tree_for_params): Early return when the
5462
        expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
5463
        (find_scop_parameters): Factor out code.
5464
        (graphite_trans_bb_strip_mine): Remove dead code.
5465
 
5466
2008-08-20  Sebastian Pop  
5467
 
5468
        * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
5469
        graphite_trans_bb_move_loop): Factor asserts.
5470
        (gloog): Perform sanity checks only for ENABLE_CHECKING.
5471
        Do not call calculate_dominance_info and estimate_bb_frequencies.
5472
 
5473
2008-08-20  Jan Sjodin  
5474
 
5475
        * graphite.c (create_loops_mapping, free_loops_mapping,
5476
        create_loops_mapping_num, debug_loop_mapping_1,
5477
        debug_loop_mapping, graphite_loops_mapping_max_loop_num,
5478
        get_loop_mapping_for_num, graphite_loops_mapping_add_child,
5479
        graphite_loops_mapping_add_child_num,
5480
        graphite_loops_mapping_insert_child,
5481
        graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
5482
        get_loop_mapped_depth, split_loop_mapped_depth_for_num,
5483
        loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
5484
        create_num_from_index, get_num_from_index,
5485
        swap_loop_mapped_depth): Removed.
5486
        (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
5487
        (free_scop): Do not call free_loops_mapping.
5488
        (graphite_get_new_iv_stack_index_from_old_iv): Renamed
5489
        get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
5490
        get_loop_mapped_depth.
5491
        (graphite_trans_bb_move_loop): Do not update the loop mapping.
5492
        (graphite_trans_bb_strip_mine): Same.
5493
        * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
5494
        (struct scop): Remove field loops_mapping.
5495
 
5496
2008-08-20  Sebastian Pop  
5497
            Dwarakanath Rajagopal  
5498
 
5499
        * graphite.c (scop_record_loop): Factor out one level of the
5500
        condition by early return.
5501
        (build_scop_loop_nests): Format following FSF coding style.
5502
        (build_scop_dynamic_schedules): Factor out code.
5503
        (scopdet_bb_info): Reindent.  Default case should not be reachable.
5504
 
5505
2008-08-20  Sebastian Pop  
5506
            Dwarakanath Rajagopal  
5507
 
5508
        * graphite.c (loop_affine_expr): Check for DECL_P or struct
5509
        assignments that are not handled as simple operands for now.
5510
 
5511
2008-08-20  Sebastian Pop  
5512
            Dwarakanath Rajagopal  
5513
 
5514
        * graphite.c (build_scop_bbs): Factor up code.
5515
 
5516
2008-08-20  Sebastian Pop  
5517
            Dwarakanath Rajagopal  
5518
 
5519
        * graphite.c (stmt_simple_for_scop_p): Factor code out
5520
        of the loop.
5521
        (enum gbb_type): New.  Group all the GBB_* types under it.
5522
        (is_loop_exit): Moved...
5523
        (end_scop): Enable BB spliting.
5524
        * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
5525
        * cfgloop.h (is_loop_exit): Declared.
5526
 
5527
2008-08-20  Sebastian Pop  
5528
 
5529
        * doc/invoke.texi: Remove strides from examples containing
5530
        DO loops when the strides are equal to 1.
5531
 
5532
2008-08-20  Harsha Jagasia  
5533
            Dwarakanath Rajagopal  
5534
 
5535
        * graphite.c (graphite_trans_scop_block): Or the result with
5536
        the result from graphite_trans_loop_block.
5537
        * gcc.dg/graphite/block-1.c: New.
5538
        * gfortran.dg/graphite/block-1.f90: New.
5539
        * gfortran.dg/graphite/block-2.f: New.
5540
 
5541
2008-08-20  Sebastian Pop  
5542
 
5543
        * graphite.c (graphite_transform_loops): Call cloog_initialize
5544
        and cloog_finalize.
5545
 
5546
2008-08-20  Sebastian Pop  
5547
 
5548
        * tree-data-ref.c) (stmt_simple_memref_p): New.
5549
        * tree-data-ref.h (stmt_simple_memref_p): Declared.
5550
        * graphite.c (stmt_simple_memref_for_scop_p): Removed.
5551
        (is_simple_operand): Call stmt_simple_memref_p.
5552
 
5553
        * gcc.dg/graphite/scop-matmult.c: Updated for not
5554
        using pointer arithmetic, as this is optimized by PRE and
5555
        makes the code too difficult to analyze.
5556
 
5557
        * gcc.dg/graphite/scop-18.c: Same.
5558
 
5559
2008-08-20  Sebastian Pop  
5560
 
5561
        * gdbinit.in (pgg): New.
5562
 
5563
2008-08-15  Tobias Grosser  
5564
 
5565
        * graphite.c (graphite_trans_loop_block): Fix warning.
5566
 
5567
2008-08-15  Tobias Grosser  
5568
 
5569
        * graphite.c (graphite_trans_loop_block): Fix my merge error.
5570
 
5571
2008-08-15  Tobias Grosser  
5572
 
5573
        * graphite.c (graphite_trans_bb_block): Remove check for
5574
        flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
5575
        Check if loop blocking is profitable for every loop, before applying
5576
        the changes.
5577
        (graphite_apply_transformations): Call graphite_trans_bb_block only,
5578
        if flag_loop_block is set.
5579
 
5580
2008-08-14  Sebastian Pop  
5581
 
5582
        * graphite.c: Add some more documentation for the loop
5583
        mapping.
5584
 
5585
2008-08-14  Sebastian Pop  
5586
 
5587
        * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
5588
        * graphite.c: Format on less than 80 columns.
5589
        * graphite.h: Same.
5590
 
5591
2008-08-14  Sebastian Pop  
5592
 
5593
        * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
5594
 
5595
2008-08-14  Sebastian Pop  
5596
 
5597
        * doc/invoke.texi (floop-block, floop-strip-mine,
5598
        floop-interchange): Update documentation with examples.
5599
 
5600
2008-08-13  Sebastian Pop  
5601
 
5602
        * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
5603
        add_referenced_var.
5604
        * graphite.c (graphite_create_new_loop): Call add_referenced_var.
5605
 
5606
2008-08-13  Sebastian Pop  
5607
 
5608
        * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
5609
        Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
5610
        * tree-scalar-evolution.c: Revert useless changes.
5611
        * tree-phinodes.c: Same.
5612
        * cfghooks.c: Same.
5613
        * vec.h: Same.
5614
        * tree-vectorizer.h: Same.
5615
        * tree-flow.h: Same.
5616
        * tree-cfg.c: Same.
5617
        * common.opt (fgraphite): Update documentation.
5618
 
5619
2008-08-12  Harsha Jagasia  
5620
 
5621
        * doc/invoke.texi (-floop-block, -floop-strip-mine,
5622
        -floop-interchange): Add more text for explaining what each of these
5623
        flags is doing.
5624
        * tree-into-ssa.c (gimple_vec): Moved to...
5625
        * graphite.c: Include gimple.h.
5626
        (gimple_vec): Moved to...
5627
        (del_loop_to_cloog_loop): Removed.
5628
        (loop_affine_expr): Do not call create_data_ref when the
5629
        operand is a constant.
5630
        (new_scop): Use free instead of del_loop_to_cloog_loop.
5631
        * Makefile.in (graphite.o): Depend on GIMPLE_H.
5632
        * gimple.h (gimple_vec): ... here.
5633
 
5634
2008-08-11  Tobias Grosser  
5635
 
5636
        * graphite.c (scopdet_bb_info): Only allow loops with known number of
5637
        latch executions.
5638
        (build_loop_iteration_domains): Fail, if latch executions unknown.
5639
 
5640
2008-08-11  Tobias Grosser  
5641
 
5642
        * graphite.c (add_conditions_to_domain): New.
5643
        (build_scop_conditions_1): Call add_conditions_to_domain.
5644
        (set_cloog_options): Allow to disable optimizations.
5645
 
5646
2008-08-11  Tobias Grosser  
5647
 
5648
        * graphite.c (find_params_in_bb): Look for parameters in conditions.
5649
        Do not use walk_dominator_tree.
5650
        (find_scop_parameters): Do not use walk_dominator_tree.
5651
 
5652
2008-08-11  Tobias Grosser  
5653
 
5654
        * graphite.c (scan_tree_for_params) Add / Subtract inequality.
5655
        (idx_record_params): Adapt.
5656
        * graphite.h (scop_gimple_loop_depth): New.
5657
 
5658
2008-08-11  Tobias Grosser  
5659
 
5660
        * graphite.c (build_scop_dynamic_schedules): Remove value_init.
5661
        (scan_tree_for_params): Remove value_init.
5662
        (build_scop_context): Remove value_init.
5663
        (build_loop_iteration_domains): Remove value_init.
5664
        (schedule_to_scattering): Remove value_init.
5665
        (graphite_trans_bb_strip_mine): Remove value_init.
5666
 
5667
2008-08-11  Tobias Grosser  
5668
 
5669
        * gcc/graphite.c (limit_scops): New.
5670
        (graphite_transform_loops): Add limit SCoPs.
5671
        * gcc.dg/graphite/scop-0.c: Update number of SCoPs.
5672
        * gcc.dg/graphite/scop-1.c: Update number of SCoPs.
5673
        * gcc.dg/graphite/scop-10.c: Update number of SCoPs.
5674
        * gcc.dg/graphite/scop-11.c: Update number of SCoPs.
5675
        * gcc.dg/graphite/scop-12.c: Update number of SCoPs.
5676
        * gcc.dg/graphite/scop-13.c: Update number of SCoPs.
5677
        * gcc.dg/graphite/scop-14.c: Update number of SCoPs.
5678
        * gcc.dg/graphite/scop-15.c: Update number of SCoPs.
5679
        * gcc.dg/graphite/scop-16.c: Update number of SCoPs.
5680
        Change loop numbers.
5681
        * gcc.dg/graphite/scop-17.c: Update number of SCoPs.
5682
        Change loop numbers.
5683
        * gcc.dg/graphite/scop-18.c: Update number of SCoPs.
5684
        * gcc.dg/graphite/scop-2.c: Update number of SCoPs.
5685
        * gcc.dg/graphite/scop-3.c: Update number of SCoPs.
5686
        * gcc.dg/graphite/scop-4.c: Update number of SCoPs.
5687
        * gcc.dg/graphite/scop-5.c: Update number of SCoPs.
5688
        * gcc.dg/graphite/scop-6.c: Update number of SCoPs.
5689
        * gcc.dg/graphite/scop-7.c: Update number of SCoPs.
5690
        * gcc.dg/graphite/scop-8.c: Update number of SCoPs.
5691
        * gcc.dg/graphite/scop-9.c: Update number of SCoPs.
5692
        * gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
5693
 
5694
2008-08-11  Tobias Grosser  
5695
 
5696
        * graphite.c (graphite_transform_loops): Call always find_transform.
5697
 
5698
2008-08-08  Tobias Grosser  
5699
 
5700
        * graphite.c (free_loops_mapping): New.
5701
        (stmt_simple_for_scop_p): Fix typo.
5702
        (stmt_simple_for_scop_p): Fix tuples functions, that
5703
        broke polyhedron.
5704
        (free_graphite_bb): Fix some memleaks.
5705
        (free_scop): Fix some memleaks.
5706
        (scopdet_bb_info): Do not forget some tmp SCoPs.
5707
        (find_params_in_bb): Fix some memleaks.
5708
        (clast_to_gcc_expression): Fix warning.
5709
 
5710
2008-08-07  Tobias Grosser  
5711
 
5712
        * gcc.dg/graphite/scop-16.c: Fix for 32bit.
5713
        * gcc.dg/graphite/scop-17.c: Fix for 32bit.
5714
 
5715
2008-08-04  Sebastian Pop  
5716
 
5717
        * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
5718
        Move code ifdef-ed HAVE_cloog...
5719
        * graphite.c: Include toplev.h.
5720
        ... here.
5721
        * Makefile.in (OBJS-common): Always build graphite.o.
5722
        (BACKEND): Remove @GRAPHITE@.
5723
        (tree-ssa-loop.o): Do not depend on TOPLEV_H.
5724
        (graphite.o): Depend on TOPLEV_H.
5725
 
5726
2008-08-04  Sebastian Pop  
5727
 
5728
        * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
5729
        Remove typo left from polylib to ppl conversion.
5730
        * graphite.c (graphite_transforms): Use sorry instead of fatal.
5731
 
5732
2008-08-03  Sebastian Pop  
5733
 
5734
        * toplev.c (process_options): Move the graphite loop optimization
5735
        flags...
5736
        * tree-ssa-loop.c (graphite_transforms): ... here.
5737
        When not configured with CLooG, print to dump_file that
5738
        Graphite transforms were not performed.
5739
        * gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
5740
        New.
5741
        * gcc.dg/graphite/*.c: Updated all testcases to use
5742
        scan-graphite-dump-times.
5743
 
5744
2008-08-03  Sebastian Pop  
5745
 
5746
        * graphite.c (dot_scop, dot_all_scops): Do not call system.
5747
        Do not open /tmp/scop.dot and /tmp/allscops.dot.
5748
 
5749
2008-08-02  Sebastian Pop  
5750
            Jan Sjodin  
5751
 
5752
        * configure: Regenerated.
5753
        * omp-low.c (expand_omp_sections): Remove now unused code.
5754
        * config.in (HAVE_polylib): Removed.
5755
        * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
5756
        (PPLLIBS, PPLINC): Added.
5757
        * graphite.c: Replace unsigned with int wherever possible.
5758
        Don't access Cloog's data structures, but use accessor functions.
5759
        Clast's stmt->type is now implemented as a vtable: change the
5760
        switches of stmt->type into ifs.
5761
        (polylib/polylibgmp.h): Don't include.
5762
        (initialize_dependence_polyhedron,
5763
        initialize_data_dependence_polyhedron, is_empty_polyhedron,
5764
        statement_precedes_p, test_dependence, build_rdg_all_levels,
5765
        dump_dependence_graph): Removed until this code is cleaned up
5766
        or ported to Cloog.
5767
        * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
5768
        (POLYLIBINC): Renamed PPLINC.
5769
 
5770
2008-08-01  Harsha Jagasia  
5771
            Dwarakanath Rajagopal  
5772
            Jan Sjodin  
5773
 
5774
        Finish the merge and tuplification of graphite.
5775
 
5776
2008-07-24  Sebastian Pop  
5777
            Jan Sjodin  
5778
 
5779
        Partial merge from mainline (138072:138275).
5780
        * graphite.c still has to be tuplified.
5781
 
5782
2008-07-29  Jan Sjodin  
5783
 
5784
        * graphite.c (graphite_loops_mapping_max_loop_num): New.
5785
        (create_num_from_index): New.
5786
        (get_num_from_index): Also pass in the graphite BB.
5787
        (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
5788
        (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
5789
        (graphite_trans_bb_strip_mine): Call create_num_from_index.
5790
        (is_interchange_valid): Return false when failing.
5791
        * graphite.h (struct num_map): New.
5792
        (struct graphite_bb): New field num_map.
5793
        (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
5794
 
5795
2008-07-29  Tobias Grosser  
5796
 
5797
        * graphite.c (dump_gbb_conditions): Print also conditions like
5798
        "if (a)".  Remove dublicated code and use print_generic_expr ().
5799
        (stmt_simple_for_scop_p): Only allow conditions we can handle
5800
        {<, <=, >, >=}.
5801
 
5802
2008-07-25  Jan Sjodin  
5803
 
5804
        * graphite.h (struct scop): Removed new_ivs field.
5805
        (SCOP_NEWIVS): Deleted.
5806
        * graphite.c (new_scop, free_scop, clast_name_to_gcc,
5807
        clast_to_gcc_expression, graphite_create_new_loop):
5808
        Removed use of new_ivs.
5809
 
5810
2008-07-25  Jan Sjodin  
5811
 
5812
        * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
5813
        create_loops_mapping_num, debug_loop_mapping_1): New.
5814
        (debug_loop_mapping): Call debug_loop_mapping_1.
5815
        (get_loop_mapping_for_num,
5816
        graphite_loops_mapping_add_child,
5817
        graphite_loops_mapping_add_child_num,
5818
        graphite_loops_mapping_insert_child,
5819
        graphite_loops_mapping_parent,
5820
        split_loop_mapped_depth_for_num,
5821
        loop_mapped_depth_split_loop): New.
5822
        (increment_loop_mapped_depths): Removed.
5823
        (swap_loop_mapped_depth_for_num): Reimplemented.
5824
        (new_scop): Call create_loops_mapping.
5825
        (scop_record_loop): Call graphite_loops_mapping_insert_child.
5826
        (translate_clast): Pass the old loop father in parameter, and pass
5827
        it to get_old_iv_from_ssa_name.
5828
        (remove_edges_around_useless_blocks, can_generate_code_stmt,
5829
        can_generate_code, can_generate_for_scop): New.
5830
        (graphite_trans_bb_block): Returns false when it fails to transform.
5831
        * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
5832
 
5833
2008-07-25  Sebastian Pop  
5834
 
5835
        Reverted all the changes related to the streamization and
5836
        loop fusion.
5837
        These changes are now tracked in the streamization branch.
5838
 
5839
2008-07-25  Sebastian Pop  
5840
            Jan Sjodin  
5841
 
5842
        * graphite.c (gbb_compare): Correctly constify.
5843
        (gbb_can_be_ignored): Indent.
5844
        (graphite_trans_scop_swap_1and2): Add legality check.
5845
        Remove dead FIXMEs.
5846
 
5847
2008-07-25  Sebastian Pop  
5848
 
5849
        Remove fallouts from "Reverted the Condate changes".
5850
        * tree.h: Remove unused decl.
5851
        * gcc.dg/tree-checker: Same.
5852
        * timevar.def: Remove counter.
5853
 
5854
2008-07-24  Sebastian Pop  
5855
 
5856
        * Merge from mainline (135673:138072).
5857
 
5858
        Reverted the MIRO changes (from 2008-04-05) that are now
5859
        tracked in the miro branch.
5860
        * tree-bounds.c: Removed.
5861
        * tree-bounds.h: Removed.
5862
 
5863
        Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
5864
        are now tracked in the condate branch.
5865
        * tree-check.c: Removed.
5866
        * tree-match.c: Removed.
5867
        * condate.y: Removed.
5868
 
5869
2008-07-24  Dwarakanath Rajagopal  
5870
 
5871
        * common.opt: New user flag -floop-block, -floop-strip-mine
5872
        and -floop-interchange.
5873
        * toplev.c (process_options): Enable -fgraphite pass if any one of the
5874
        graphite loop optimization flags is turned on.
5875
        * graphite.c (graphite_apply_transformations): Add flag_loop_block,
5876
        flag_loop_strip_mine and flag_loop_interchange checks before
5877
        optimizations.
5878
        * doc/invoke.texi: Remove -fgraphite and add -floop-block,
5879
        -floop-strip-mine and -floop-interchange.
5880
        * gcc.dg/graphite/block-0.c: Add -floop-block and remove
5881
        -fgraphite.
5882
        * gcc.dg/graphite/scop-16.c: Ditto.
5883
        * gcc.dg/graphite/scop-17.c: Ditto.
5884
        * gcc.dg/graphite/scop-18.c: Ditto.
5885
 
5886
2008-07-23  Jan Sjodin  
5887
            Sebastian Pop  
5888
 
5889
        * cfgloopmanip.c (update_dominators_in_loop): Make it static.
5890
        (create_empty_loop_on_edge): More fixes.
5891
        * tree-phinodes.c (resize_phi_node): Extern.
5892
        (unlink_phi_node, move_phi_node): New split from remove_phi_node.
5893
        * cfghooks.c (update_dominator_information): New split from
5894
        split_edge.
5895
        * tree-vectorizer.c (rename_variables_in_bb): Extern.
5896
        * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
5897
        successor of the function entry block.
5898
 
5899
        * graphite.c: Include pointer-set.h.
5900
        (debug_loop_mapping, increment_loop_mapped_depths,
5901
        get_loop_mapped_depth_for_num, get_loop_mapped_depth,
5902
        set_loop_mapped_depth_for_num, set_loop_mapped_depth,
5903
        swap_loop_mapped_depth_for_num, get_num_from_index,
5904
        swap_loop_mapped_depth, loop_iv_stack_debug,
5905
        loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
5906
        loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
5907
        get_old_iv_from_ssa_name): New.
5908
        (new_scop): Initialize SCOP_LOOPS_MAPPING.
5909
        (free_scop): Free SCOP_LOOPS_MAPPING.
5910
        (scop_record_loop): Record old ivs.
5911
        (create_var_name): Removed.
5912
        (initialize_cloog_names): Allocate double space in case strip mine
5913
        applies to all loops once.
5914
        (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
5915
        (clast_to_gcc_expression): Same.  Implement more clast to gimple
5916
        translation.
5917
        (graphite_create_new_loop): Pass in ivstack.
5918
        (remove_all_edges): Pass in the construction_edge.
5919
        (graphite_remove_iv): Removed.
5920
        (graphite_rename_ivs, graphite_rename_ivs_stmt,
5921
        remove_cond_exprs): Rewritten.
5922
        (move_phi_nodes): New.
5923
        (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
5924
        (translate_clast): Pass in ivstack.  Rewrite some cases.
5925
        (set_cloog_options, debug_clast_stmt): New.
5926
        (find_transform): Use set_cloog_options.
5927
        (outermost_loop_layer): Removed.
5928
        (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
5929
        find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
5930
        mark_old_loops, remove_dead_loops): New.
5931
        (gloog): Rewritten.
5932
        (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
5933
        (const_column_index, get_first_matching_sign_row_index,
5934
        get_lower_bound_row, get_upper_bound_row, get_lower_bound,
5935
        get_upper_bound): New.
5936
        (graphite_trans_bb_strip_mine): Also update the iv map.
5937
 
5938
        * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
5939
        (struct name_tree): Add a loop field.
5940
        (struct scop): Add a graphite_loops_mapping field.
5941
        (SCOP_LOOPS_MAPPING): New.
5942
        (debug_clast_stmt): Declare.
5943
        * lambda.h (find_induction_var_from_exit_cond): Declare.
5944
        (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
5945
        * cfgloop.h (update_dominators_in_loop): Removed declaration.
5946
        (create_empty_loop_on_edge): Updated.
5947
        * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
5948
        rename_variables_in_bb): Declare.
5949
        * tree-cfg.c (remove_bb): Extern.
5950
 
5951
        * gcc.dg/graphite/block-0.c: New.
5952
 
5953
2008-07-21  Dwarakanath Rajagopal  
5954
            Sebastian Pop  
5955
 
5956
        * graphite.c (strip_mine_profitable_p): New.
5957
        (graphite_trans_bb_block): Disable strip mining if not profitable.
5958
 
5959
        * gcc.dg/graphite/scop-18.c: New.
5960
        * gcc.dg/graphite/scop-17.c: Fixed.
5961
        * gcc.dg/graphite/scop-16.c: Fixed.
5962
 
5963
2008-07-17  Harsha Jagasia  
5964
            Jan Sjodin  
5965
            Sebastian Pop  
5966
 
5967
        * graphite.c (is_interchange_valid): New.
5968
        (graphite_trans_bb_block): Check loop nest of basic block for legality
5969
        of interchange.
5970
 
5971
        * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
5972
        outer_most_loop, gbb_outer_most_loop_index): New.
5973
 
5974
        * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
5975
        * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
5976
        * gcc.dg/graphite/scop-16.c: New.
5977
        * gcc.dg/graphite/scop-17.c: New.
5978
 
5979
2008-07-11  Tobias Grosser  
5980
 
5981
        * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
5982
        (graphite_trans_scop_block): Ignore SCoPs without bbs.
5983
 
5984
2008-07-11  Tobias Grosser  
5985
 
5986
        * graphite.c (new_scop): Initialize SCOP_EXIT.
5987
        (scopdet_info): Add.
5988
        (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
5989
        (build_scops_1): Cleanup, bugfixes.
5990
        (build_scops): Cleanup.
5991
 
5992
        * gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
5993
        * gcc.dg/graphite/scop-15.c: Add SCoP numbers.
5994
 
5995
2008-07-10  Harsha Jagasia  
5996
 
5997
        * gfortran.dg/graphite/scop-1.f: Update to reduced test case.
5998
 
5999
        * gfortran.dg/graphite/graphite.exp: Use
6000
        DEFAULT_GRAPHITE_FLAGS.
6001
 
6002
        * gcc.dg/graphite/scop-15.c: Update to reduced test case.
6003
 
6004
2008-07-10  Harsha Jagasia  
6005
 
6006
        * graphite.c (scan_tree_for_params): Do not assert any more if
6007
        MULT_EXPR parameter is negative.
6008
 
6009
        * gfortran.dg/graphite/scop-1.f: New.
6010
 
6011
        * gfortran.dg/graphite/graphite.exp: New.
6012
 
6013
        * gcc.dg/graphite/scop-15.c: New.
6014
 
6015
2008-07-10  Harsha Jagasia  
6016
 
6017
        * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
6018
 
6019
2008-07-10  Tobias Grosser  
6020
 
6021
        * graphite.c (graphite_trans_bb_swap_loops): Rename from
6022
        graphite_swap_loops.
6023
        (graphite_trans_bb_move_loop): New.
6024
        (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
6025
        (graphite_trans_bb_block): New.
6026
        (graphite_trans_loop_block): New.
6027
        (graphite_trans_scop_swap_1and2): Rename from
6028
        graphite_trans_swap_1and2.
6029
        (graphite_trans_scop_strip): Rename from graphite_trans_strip.
6030
        (graphite_trans_scop_block): New.
6031
        (graphite_apply_transformations): Rename from
6032
        graphite_transformations.
6033
 
6034
        * gcc.dg/graphite/scop-matmult.c: New.
6035
 
6036
2008-07-10  Tobias Grosser  
6037
 
6038
        * graphite.c (gbb_compare): New.
6039
        (graphite_sort_gbbs): New.
6040
        (gbb_can_be_ignored): New.
6041
        (scop_remove_ignoreable_gbbs): New.
6042
        (graphite_transformations): Cleanup and add
6043
        scop_remove_ignoreable_gbbs.
6044
        * lambda.h (lambda_vector_compare): New.
6045
 
6046
2008-07-09  Tobias Grosser  
6047
 
6048
        * graphite.c (print_graphite_bb): Correct printing of static schedule.
6049
        (graphite_swap_loops): int -> unsigned
6050
        (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
6051
        (graphite_transformations): New.
6052
        (graphite_transform_loops): Move to graphite_transformations.
6053
        * graphite.h (gbb_nb_loops): Return unsigned.
6054
 
6055
2008-07-04  Tobias Grosser  
6056
 
6057
        * graphite.c (scan_tree_for_params): Fix insertion of parameters into
6058
        the domain matrix.  This makes scop-0.c work again.
6059
 
6060
2008-06-20  Richard Guenther  
6061
 
6062
        * graphite.h: Adjust copyright to GPLv3.
6063
        * graphite.c: Likewise.
6064
        (stmt_simple_memref_for_scop_p): Split out from ...
6065
        (stmt_simple_for_scop_p): ... here.  Fix handling of calls
6066
        and simplify.
6067
        (get_bb_type): Optimize.
6068
        (is_pred): Remove.
6069
        (is_bb_addable): Fix memleak, replace is_pred call with
6070
        single_pred.
6071
        (build_scops): Use current_loops.
6072
        (param_index): Fix memleak.
6073
 
6074
2008-06-20  Konrad Trifunovic  
6075
 
6076
        * graphite.c: Fix formatting.
6077
 
6078
2008-06-19  Konrad Trifunovic  
6079
 
6080
        * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
6081
        (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
6082
        (create_var_name, save_var_name): Newly defined functions.
6083
        (initialize_cloog_names): Part of the code factored out to
6084
        save_var_name.
6085
        (clast_to_gcc_expression): Now handles the case of clast_red_sum
6086
        in clast_reduction statement.
6087
        (graphite_create_new_loop): Now takes a new parameter
6088
        for outer_loop.
6089
        (translate_clast): Now also takes the context_loop and bb_exit
6090
        parameters. Rewritten the code so that it creates a gimple code
6091
        inside the given context.
6092
        (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
6093
        remove_cond_expr, disconnect_cond_expr,
6094
        disconnect_virtual_phi_nodes): Newly defined functions.
6095
        * graphite.h (struct scop): added old_ivs vector.
6096
        SCOP_OLDIVS: New macro.
6097
 
6098
2008-06-19  Sebastian Pop  
6099
 
6100
        * cfgloopmanip.c: Add missing function comments, fix formatting.
6101
 
6102
2008-06-18  Konrad Trifunovic  
6103
 
6104
        * cfgloopmanip.c (update_dominators_in_loop): Defined.
6105
        (create_empty_loop_on_edge): Defined.
6106
        * tree-parloops.c (canonicalize_loop_ivs): Returns tree
6107
        instead of void.
6108
        * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
6109
        (update_dominators_in_loop): Declared as extern
6110
        * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
6111
 
6112
2008-06-16  Tobias Grosser  
6113
 
6114
        * graphite.c (print_graphite_bb): Allow changing number of loops
6115
        in SCoP domain.
6116
        (initialize_cloog_names): Allow changing number of loops.
6117
        (build_cloog_prog): Simplify.
6118
        (find_transform): Enable cloog option --strides.
6119
        (graphite_swap_loops): New.
6120
        (graphite_strip_mine_loop): New.
6121
        (graphite_trans_swap_1and2): New.
6122
        (graphite_trans_strip): New.
6123
        (graphite_transform_loops): Add graphite_trans_strip.
6124
        * graphite.h (scop_max_loop_depth): New.
6125
 
6126
2008-06-15  Tobias Grosser  
6127
 
6128
        * graphite.c (build_scop_iteration_domain): Remove forgotten
6129
        line. (Fixes compile)
6130
 
6131
2008-06-15  Tobias Grosser  
6132
 
6133
        * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
6134
        (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
6135
        (build_bb_loops): New.
6136
        (graphite_transform_loops): Add build_bb_loops.
6137
        (schedule_to_scattering): Use gbb_nb_loops to support changing loop
6138
        numbers.
6139
        * graphite.h (graphite_bb): Add loops.
6140
        (gbb_nb_loops): New.
6141
        (gbb_loop_at_index): New.
6142
        (gbb_loop_index): New.
6143
        (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
6144
        using nb_params_in_scop.
6145
 
6146
2008-06-14  Tobias Grosser  
6147
 
6148
        * graphite.c (print_graphite_bb): Adapt to minimized schedule.
6149
        (build_scop_canonical_schedules): Build minimized schedule.
6150
        (schedule_to_scattering): Adapt to minimized schedule.
6151
        * graphite.h (graphite_bb): Add/Update descriptions.
6152
 
6153
2008-06-14  Adrien Eliche  
6154
            Tobias Grosser  
6155
 
6156
        * graphite.c (print_graphite_bb): Add condition printing.
6157
        (dump_value): New.
6158
        (dump_gbb_conditions): New.
6159
        (build_scop_conditions_1): New.
6160
        (build_scop_conditions): New.
6161
        * graphite.h (graphite_bb): Add conditions.
6162
 
6163
2008-06-14  Tobias Grosser  
6164
 
6165
        * graphite.c (print_graphite_bb):
6166
        (free_graphite_bb): New.
6167
        (free_scop): Free bbs.
6168
        (get_bb_type): Free doms.
6169
        (build_scop_context): Free context matrix.
6170
        (build_loop_iteration_domains): Remove unused code.
6171
        (build_cloog_prog): Free scattering function and blocklist.
6172
        (find_transform): Free options.
6173
 
6174
2008-06-13  Tobias Grosser  
6175
 
6176
        * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
6177
        Remove unnecessery cloog data structures. Make a copy of the domain
6178
        (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
6179
        unnecessary cloog data structures. Fix memory leaks. Remove insert
6180
        into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
6181
        used.
6182
        (build_scop_iteration_domain): Remove unnecessary cloog
6183
        data structures.  Fix memory leaks.
6184
        (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
6185
        uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
6186
 
6187
2008-06-12  Tobias Grosser  
6188
 
6189
        * graphite.c (find_scop_params): Remove initialize_cloog_names.
6190
 
6191
2008-06-12  Tobias Grosser  
6192
 
6193
        * graphite.c (end_scop): Style fix.
6194
        (schedule_to_scattering): Style and comment fix.
6195
 
6196
2008-06-12  Tobias Grosser  
6197
        * graphite.c (print_graphite_bb): Fix definiton of
6198
        schedule_to_scattering.
6199
        (initialize_cloog_names): Change nb_scattdims to max loop
6200
        depth in SCoP.
6201
        (schedule_to_scattering): Take parameter for number of scattering
6202
        dimensions.
6203
        (build_cloog_prog): Only build as much scattering dimensions as
6204
        necessary.
6205
 
6206
2008-06-12  Tobias Grosser  
6207
 
6208
        * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
6209
        in polyhedron/aermod.f90.
6210
 
6211
2008-06-11  Tobias Grosser  
6212
            Dwarak Rajagopal  
6213
            Harsha Jagasia  
6214
 
6215
        * graphite.c (is_bb_addable): Fix segfault.
6216
 
6217
2008-06-10  Tobias Grosser  
6218
 
6219
        * graphite.c (is_bb_addable): Fix memory leak, handling of loops
6220
        with multiple exits and conditional handling in edge cases.
6221
        (is_loop_exit): Fix memory leak. (Forgotten in last commit)
6222
 
6223
        * gcc.dg/graphite/scop-14.c: New.
6224
 
6225
2008-06-06  Tobias Grosser  
6226
            Adrien Eliche  
6227
 
6228
        * graphite.c (is_bb_addable): Add more comments and enhance
6229
        readablity of the source code. Fix memory leak.
6230
        (is_loop_exit): Fix memory leak.
6231
 
6232
2008-06-05  Tobias Grosser  
6233
 
6234
        * graphite.c (first_loop_in_scop): Deleted.
6235
        (setup_cloog_loop): Only walk the loop chain for inner loops.
6236
        (build_scop_iteration_domain): Execute setup_cloog_loop for
6237
        all loops in the first layer.
6238
 
6239
2008-06-05  Tobias Grosser  
6240
 
6241
        * graphite.c (scan_tree_for_params): Change the way params are
6242
        added to be indepenent of the number of loops.
6243
        (setup_cloog_loop): Revert to short matrix format. Fix parameter
6244
        handling.
6245
        (build_cloog_prog): Revert to short matrix format.
6246
 
6247
2008-06-05  Sebastian Pop  
6248
            Dwarak Rajagopal 
6249
 
6250
        * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
6251
        warning.
6252
 
6253
2008-06-05  Sebastian Pop  
6254
 
6255
        * graphite.c (nb_data_refs_in_scop): New.
6256
        (graphite_transform_loops): Print more stats: number of
6257
        loops, basic blocks and data references per scop.
6258
 
6259
2008-06-04  Sebastian Pop  
6260
            Jan Sjodin  
6261
 
6262
        * graphite.c (loop_affine_expr, idx_record_params,
6263
        find_scop_parameters, setup_cloog_loop): Use instantiate_scev
6264
        instead of instantiate_parameters.
6265
 
6266
2008-06-04  Tobias Grosser  
6267
 
6268
        * graphite.c (schedule_to_scattering): Fix scattering dimensions,
6269
        add support for parameters, add STATIC_SCHEDULE at the right places,
6270
        cleanup.
6271
 
6272
2008-06-04  Tobias Grosser  
6273
 
6274
        * graphite.c (build_scop_loop_nests): Only add the loops, that
6275
        are contained completely in the SCoP.
6276
        (build_cloog_prog): Disable scattering, until schedule_to_scattering
6277
        and the domains are fixed.
6278
        (build_scop_canonical_schedules): Add support for bbs not contained
6279
        in any SCoP.
6280
 
6281
2008-06-04  Tobias Grosser  
6282
 
6283
        * graphite.h (scop_contains_loop): Update comments to match
6284
        the actual behavior.
6285
        (scop_contains_loop): New.
6286
        * graphite.c (schedule_to_scattering): Use scop_contains_loop.
6287
 
6288
2008-06-04  Sebastian Pop  
6289
 
6290
        * graphite.c (get_bb_type): On function body, i.e. loop_0,
6291
        don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
6292
        as GBB_COND_HEADER.
6293
 
6294
2008-06-04  Sebastian Pop  
6295
            Tobias Grosser  
6296
 
6297
        * graphite.c (graphite_transform_loops): Early return when
6298
        there are no loops in the function.
6299
 
6300
2008-05-31  Sebastian Pop  
6301
            Jan Sjodin  
6302
 
6303
        * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
6304
        offset of the last loop.
6305
        (setup_cloog_loop): Copy the entire outer constraint matrix.
6306
 
6307
2008-05-31  Sebastian Pop  
6308
            Jan Sjodin  
6309
 
6310
        * graphite.c (stmt_in_scop_p, function_parameter_p,
6311
        invariant_in_scop_p): Removed.
6312
        (scan_tree_for_params): Can be used with no constraint
6313
        matrix for gathering parameters.
6314
        (idx_record_params): Don't use idx_record_param, instead use
6315
        scan_tree_for_params.
6316
        (find_scop_parameters): Same.
6317
        (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
6318
        Fix the size of loop domains.
6319
        (schedule_to_scattering): Exit when the outer loop is not in scop.
6320
        (find_transform): Enable build_cloog_prog.
6321
 
6322
2008-05-31  Sebastian Pop  
6323
            Jan Sjodin  
6324
 
6325
        * graphite.c (schedule_to_scattering): Make scattering domains
6326
        uniformly of the same size, as required by CLooG 0.14.0 and before.
6327
 
6328
2008-05-31  Sebastian Pop  
6329
            Jan Sjodin  
6330
 
6331
        * graphite.c (schedule_to_scattering): Rewrite, correct the
6332
        translation of the scheduling function to scattering.
6333
        (build_cloog_prog): Call schedule_to_scattering only once.
6334
        * graphite.h (scop_loop_index): Do not fail for loops not
6335
        in the scop: return -1.
6336
 
6337
2008-05-30 Tobias Grosser  
6338
 
6339
        * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
6340
        (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
6341
        (setup_cloog_loop): Export GBB_DOMAIN.
6342
        (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
6343
        able to rebuild the original control flow.
6344
        * graphite.h (graphite_bb): Add domain field and access macro.
6345
        (GBB_DOMAIN): New.
6346
 
6347
2008-05-30  Sebastian Pop  
6348
 
6349
        * graphite.c (debug_gbb): New.
6350
        (print_scop, build_graphite_bb): Use SCOP_BBS.
6351
        (build_scop_bbs): Reimplemented.
6352
        (dfs_bb_in_scop_p): Removed.
6353
        (build_scop_loop_nests): Reorder loops inserted in
6354
        SCOP_LOOP_NEST: outer loops should come first.
6355
        (build_scop_canonical_schedules): Reinitialize at zero
6356
        the components of the SCOP_STATIC_SCHEDULE for the loops
6357
        that have already been parsed.
6358
 
6359
        * graphite.h (debug_gbb): Declared.
6360
 
6361
2008-05-30  Sebastian Pop  
6362
            Jan Sjodin  
6363
 
6364
        * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
6365
        (graphite_loop_to_gcc_loop): Removed.
6366
        (remove_all_edges): New.
6367
        (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
6368
        (gloog): Remove useless code.
6369
 
6370
2008-05-29  Tobias Grosser  
6371
 
6372
        * graphite.c (get_bb_type): Reworked. We distinguish between
6373
        loops with one or multiple exits.
6374
        (is_loop_exit): New.
6375
        (is_pred): New.
6376
        (is_bb_addable): Rework condition handling, now support for case
6377
        case statements and loops with multiple exits.
6378
 
6379
        * gcc.dg/graphite/scop-11.c: New.
6380
        * gcc.dg/graphite/scop-12.c: New.
6381
        * gcc.dg/graphite/scop-13.c: New.
6382
 
6383
2008-05-29  Tobias Grosser  
6384
 
6385
        * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
6386
        we have too many colors.
6387
 
6388
2008-05-22  Sandeep Maram 
6389
 
6390
        * doc/invoke.texi (-ftree-loop-fusion): Document.
6391
        * tree-pass.h (pass_loop_fusion): Declared.
6392
        * tree-loop-fusion.c: New.
6393
        * timevar.def (TV_TREE_LOOP_FUSION): Declared.
6394
        * tree-data-ref.c (find_data_references_in_loop): Make extern.
6395
        * tree-data-ref.h (find_data_references_in_loop): Declared.
6396
        * common.opt (ftree-loop-fusion): Declared.
6397
        * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
6398
 
6399
2008-05-21  Sebastian Pop  
6400
 
6401
        * graphite.c (build_access_matrix): Fix typo from the merge.
6402
 
6403
2008-05-20  Sebastian Pop  
6404
 
6405
        * Merge from mainline (130800:135673).
6406
 
6407
2008-05-07  Sebastian Pop  
6408
 
6409
        * graphite.c (end_scop): The exit of the scop is not part of the scop.
6410
        Update dominators after splitting.
6411
 
6412
2008-05-07  Sebastian Pop  
6413
 
6414
        * graphite.c (is_bb_addable): Return the harmful statement.
6415
        Factor up some code.
6416
        (end_scop): New.  Splits end of scope bbs on a harmful statement.
6417
        (build_scops_1): Call end_scop.
6418
 
6419
2008-05-07  Sebastian Pop  
6420
 
6421
        * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
6422
        all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
6423
        add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
6424
        build_scops_1): Removed.
6425
        (build_scops_2): Renamed build_scops_1.
6426
 
6427
2008-05-06  Sebastian Pop  
6428
 
6429
        * graphite.c: Fix formatting.
6430
 
6431
2008-05-06  Tobias Grosser  
6432
 
6433
        * graphite.c (get_bb_type): New.
6434
        (move_scops): New.
6435
        (build_scops_2): New.
6436
        (is_bb_addable): New.
6437
        (build_scops): Switch the scop detection.
6438
        (build_scop_bbs): Add entry bb to scop.
6439
        * graphite.h (struct scop): Update comment.
6440
 
6441
2008-05-06  Tobias Grosser  
6442
 
6443
        * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
6444
        more colors.
6445
 
6446
2008-05-06  Tobias Grosser  
6447
 
6448
        * gcc.dg/graphite/scop-1.c: Update.
6449
        * gcc.dg/graphite/scop-2.c: Update.
6450
        * gcc.dg/graphite/scop-4.c: Update.
6451
        * gcc.dg/graphite/scop-5.c: Add.
6452
        * gcc.dg/graphite/scop-6.c: Add.
6453
 
6454
2008-05-06  Sebastian Pop  
6455
 
6456
        * gcc.dg/graphite/scop-0.c: Add.
6457
        * gcc.dg/graphite/scop-7.c: Add.
6458
        * gcc.dg/graphite/scop-8.c: Add.
6459
        * gcc.dg/graphite/scop-9.c: Add.
6460
        * gcc.dg/graphite/scop-10.c: Add.
6461
 
6462
2008-05-06  Tobias Grosser  
6463
 
6464
        * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
6465
        Check affine expressions depending on the outermost loop
6466
        instead of a scop.
6467
        (stmt_simple_for_scop_p): Same.
6468
        (harmfule_stmt_in_scop): Same.
6469
 
6470
2008-04-28  Tobias Grosser  
6471
 
6472
        * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
6473
        mark entry and exit, that are not part of the SCoP and update HTML
6474
        formatting.
6475
 
6476
2008-04-25  Sebastian Pop  
6477
 
6478
        * graphite.c (basic_block_simple_for_scop_p): Renamed
6479
        harmful_stmt_in_bb.
6480
        (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
6481
        (add_dominators_to_open_scops, build_scops_1): Reimplemented.
6482
        (all_preds_visited_p, all_succs_visited_p,
6483
        start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
6484
        scop_end_loop): New.
6485
        (build_scops): Do not use dfs_enumerate_from.
6486
 
6487
        * gcc.dg/graphite/scop-{1,2,4}.c: Updated.
6488
 
6489
2008-04-23  Sebastian Pop  
6490
 
6491
        * graphite.c: Add comments to functions that are missing a
6492
        description.
6493
        (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
6494
 
6495
2008-04-23  Sebastian Pop  
6496
 
6497
        * graphite.c (nb_params_in_scop): Moved...
6498
        (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
6499
        (setup_cloog_loop): Call loop_body_to_cloog_stmts.
6500
        (clast_to_gcc_expression): Reduce column size to less than 80.
6501
        (graphite_create_iv): Return the new name of the IV.
6502
        (find_transform): Set options->esp and options->cpp.
6503
        (gloog): Comment out the invalidation of the old loop code.
6504
        (initialize_dependence_polyhedron): Replace scop_nb_params with
6505
        nb_params_in_scop.
6506
 
6507
        * graphite.h (nb_params_in_scop): ... here.
6508
        (scop_nb_params): Removed.
6509
        (loop_domain_dim): Return something even when the loop was not
6510
        found in the hash table: avoid ICEing on all the graphite.exp
6511
        testcases.
6512
 
6513
2008-04-14  Konrad Trifunovic  
6514
 
6515
        * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
6516
 
6517
        * graphite.c (build_scop_dynamic_schedules): Schedule is built
6518
        according to nesting level.
6519
        (find_scop_parameters): Call instantiate_parameters.
6520
        (scan_tree_for_params): Extend it to handle general affine bounds.
6521
        Inner loop bound can depend on outer loop induction variable.
6522
        (setup_cloog_loop): tmp variable is allocated on stack. Call
6523
        instantiate_parameters with respect to outermost_loop_in_scop.
6524
        (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
6525
        graphite.h.
6526
        (create_empty_loop): Function loopify should be given edge
6527
        probability, instead of edge frequency. Dominance relation from
6528
        switch_bb to loop_header.
6529
        (clast_to_gcc_expression): Added handling of clast_reduction node.
6530
        (gloog): New functionality for removing old loop.
6531
        (test_dependence): Factored out from build_rdg_all_levels.
6532
        (build_rdg_all_levels): Dependence testing factored out to
6533
        test_dependence function.
6534
 
6535
        * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
6536
        (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
6537
        from graphite.c
6538
 
6539
2008-04-07  Sebastian Pop  
6540
 
6541
        * graphite.c (free_scop, param_index, initialize_cloog_names,
6542
        nb_params_in_scop): Use name_tree map instead of just a tree
6543
        for keeping track of the variable name associated to that tree.
6544
        (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
6545
        clast_to_gcc_expression, graphite_create_iv,
6546
        graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
6547
        graphite_stmt_to_gcc_stmt): New.
6548
        (gloog): Call these.
6549
        * graphite.h (struct name_tree): New.
6550
        (struct scop): Use name_tree instead of tree for params.
6551
        Store a vector of name_tree for new_ivs.
6552
        (SCOP_NEWIVS): New.
6553
        (scop_nb_params): Use name_tree instead of tree.
6554
 
6555
2008-04-05  Alexander Lamaison  
6556
            Sebastian Pop  
6557
 
6558
        * tree-bounds.c: New.
6559
        * tree-bounds.h: New.
6560
        * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
6561
        * passes.c: Schedule pass_bounds_early, pass_bounds_late.
6562
        * builtins.c (expand_builtin_alloca): Add flag_bounds as for
6563
        flag_mudflap.
6564
        * gcc.c: Same.
6565
        * toplev.c: Same.
6566
        * c-cppbuiltin.c: Same.
6567
        * c-pragma.c: Same.
6568
        * common.opt: Same.
6569
        * varasm.c: Same.
6570
        * tree-outof-ssa.c: Same.
6571
        * c-common.c: Same.
6572
        * Makefile.in: Same.
6573
 
6574
2008-03-15  Antoniu Pop  
6575
            Sebastian Pop  
6576
 
6577
        * tree-loop-distribution.c (remaining_stmts,
6578
        upstream_mem_writes): Removed static variables.
6579
        (copy_loop_before, create_bb_after_loop,
6580
        mark_nodes_having_upstream_mem_writes, free_rdg_components,
6581
        rdg_build_components, rdg_build_partitions,
6582
        dump_rdg_partitions): Extern.
6583
        (generate_loops_for_partition, generate_code_for_partition): Do not
6584
        return a bool.
6585
        (already_processed_vertex_p, predecessor_has_mem_write,
6586
        mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
6587
        rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
6588
        rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
6589
        build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
6590
        Pass remaining_stmts and upstream_mem_writes as parameters.
6591
        (rdg_component): Moved...
6592
        (build_rdg_partition_for_component): Do not aggregate components when
6593
        flag_streamize_loops is set.
6594
        (gen_sequential_loops): New.
6595
        (ldist_gen): Call gen_sequential_loops.
6596
 
6597
        * tree-pass.h (pass_loop_streamization): Declared.
6598
 
6599
        * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
6600
        basic blocks when loops structures exist.
6601
 
6602
        * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
6603
 
6604
        * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
6605
 
6606
        * tree-parloops.c (take_address_of, eliminate_local_variables_1,
6607
        eliminate_local_variables_stmt, eliminate_local_variables,
6608
        separate_decls_in_loop_name, separate_decls_in_loop_stmt,
6609
        separate_decls_in_loop, gen_parallel_loop): Make them work on a region
6610
        of code delimited by two edges in the CFG.
6611
        (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
6612
        (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
6613
        (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
6614
        the case of parallelisation of reductions.
6615
        (create_loop_fn): Extern.
6616
        (create_omp_parallel_region): New.
6617
 
6618
        * tree-data-ref.c (dump_data_dependence_relation): Don't call
6619
        dump_data_reference for printing dra and drb.
6620
        (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
6621
        RDGE_RELATION.
6622
        (build_rdg): Don't call free_dependence_relations for the moment, as
6623
        we attach dependence relations on each edge of the RDG.
6624
        To be fixed later.
6625
 
6626
        * tree-data-ref.h (rdg_component): ...here.
6627
        (struct rdg_edge): New field ddr_p relation.
6628
        (RDGE_RELATION): New.
6629
        (create_bb_after_loop, copy_loop_before,
6630
        mark_nodes_having_upstream_mem_writes, rdg_build_components,
6631
        rdg_build_partitions, dump_rdg_partitions,
6632
        free_rdg_components): Declared.
6633
 
6634
        * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
6635
        BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
6636
 
6637
        * tree-loop-streamization.c: New.
6638
 
6639
        * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
6640
        create_omp_parallel_region, expr_invariant_in_region_p): Declared.
6641
 
6642
        * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
6643
 
6644
        * tree-cfg.c (gather_blocks_in_sese_region): Extern.
6645
 
6646
        * passes.c: Schedule pass_loop_streamization.
6647
 
6648
2008-03-08  Tobias Grosser  
6649
 
6650
        * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
6651
        update comment.
6652
 
6653
2008-03-07  Tobias Grosser  
6654
 
6655
        * graphite.c (dot_all_scops): Update formatting.
6656
        Bbs can now be part of more than one SCoP.
6657
 
6658
2008-03-04  Sebastian Pop  
6659
 
6660
        * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
6661
        malloc problems.
6662
        (loop_domain_dim): Check for unregistered toplev SCOP loop.
6663
        * graphite.h (loop_to_cloog_loop): New.
6664
 
6665
2008-03-04  Konrad Trifunovic  
6666
 
6667
        * graphite.c (loop_domain_dim, ref_nb_loops,
6668
        loop_iteration_vector_dim): New.
6669
        (build_access_matrix_with_af, build_access_matrix,
6670
        initialize_dependence_polyhedron): Fixed for new matrix layout.
6671
        No longer assume that all iteration domains are of the same
6672
        dimensionality.
6673
 
6674
2008-03-02  Sebastian Pop  
6675
 
6676
        * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
6677
        defined in a loop at depth 0 is invariant.
6678
        * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
6679
        * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
6680
        be called at loop depth 0.
6681
 
6682
        * graphite.c (basic_block_simple_for_scop_p): Take the scop as
6683
        a parameter.
6684
        (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
6685
        (down_open_scop): Removed.
6686
        (loop_in_scop_p): Redefined.
6687
        (scop_affine_expr): New argument: scop.
6688
        (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
6689
        a harmful statement ending a scop.
6690
        (basic_block_simple_for_scop_p): New argument: scop.
6691
        (get_loop_start): Removed.
6692
        (new_scop): Initialize SCOP_LOOPS.
6693
        (free_scop): Free SCOP_LOOPS.
6694
        (succs_at_same_depth, preds_at_same_depth): New.
6695
        (end_scop): Test the validity of a scop.
6696
        (add_dominators_to_open_scops): New.
6697
        (test_for_scop_bound): Call add_dominators_to_open_scops.
6698
        Add cases for opening and closing multiple scops.
6699
        (build_scops, build_scop_bbs): Iterate over basic blocks in
6700
        depth first order.
6701
        (build_graphite_bb): Pass scop directly.
6702
        (dfs_bb_in_scop_p): New.
6703
        (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
6704
        several times.
6705
        (nb_loops_around_gb): Use loop_in_scop_p.
6706
        (schedule_to_scattering): Disabled for the moment the code computing
6707
        the "textual order for outer loop".
6708
 
6709
        * graphite.h (struct scop): New field loops.
6710
        (SCOP_LOOPS): New.
6711
        (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
6712
 
6713
        * gcc.dg/graphite/scop-{1,...,7}.c: Updated.
6714
 
6715
2008-02-27  Antoniu Pop  
6716
            Sebastian Pop  
6717
 
6718
        * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
6719
        * common.opt (fstreamize-loops): New.
6720
        * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
6721
        BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
6722
        BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
6723
        BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
6724
 
6725
2008-02-22  Konrad Trifunovic  
6726
 
6727
        * tree-data-ref.c (build_empty_rdg): New.
6728
        (build_rdg): Use it.
6729
        * tree-data-ref.h (build_empty_rdg): Declared.
6730
        * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
6731
        (find_vertex_for_stmt): Removed.
6732
        (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
6733
 
6734
2008-02-21  Sebastian Pop  
6735
 
6736
        * tree-loop-distribution.c (generate_builtin): After cancelling the
6737
        loop tree, also delete basic blocks.
6738
        (rdg_flag_uses): Stop recursion when a vertex has already been
6739
        processed.
6740
 
6741
2008-02-15  Konrad Trifunovic  
6742
 
6743
        * graphite.c (build_scop_alpha): Removed.
6744
        (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
6745
        and dump_dependence_graph to avoid compiler warnings.
6746
 
6747
2008-02-14  Konrad Trifunovic  
6748
 
6749
        * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
6750
        * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
6751
        * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
6752
        eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
6753
        (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
6754
        (initialize_dependence_polyhedron, find_vertex_for_stmt,
6755
        initialize_data_dependence_polyhedron, is_empty_polyhedron,
6756
        statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
6757
        dump_dependence_graph): New.
6758
        * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
6759
        (GBB_ALPHA): New.
6760
        (struct scop): New field loop2cloog_loop.
6761
        (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
6762
        RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
6763
 
6764
2008-02-10  Konrad Trifunovic  
6765
 
6766
        * graphite.c (build_graphite_bb): Fix initialization
6767
        of the graphite basic block.
6768
 
6769
2008-02-05  Sebastian Pop  
6770
 
6771
        * graphite.c (scan_tree_for_params): Rewrite for the new layout of
6772
        loop domain matrix.  Pass in the number of loops contained in the
6773
        constraint matrix.
6774
        (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
6775
        (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
6776
        loops that are not surrounding the current loop are not represented
6777
        in the domain constraint matrix.
6778
        (build_scop_iteration_domain): Initial domain constraint matrix
6779
        contains only the eq/ineq, cst, and scop parameters columns.
6780
 
6781
2008-01-29  Tobias Grosser  
6782
 
6783
        * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
6784
        (print_graphite_bb): Print scattering.
6785
 
6786
2008-01-29  Tobias Grosser  
6787
 
6788
        * graphite.c (initialize_cloog_names): Initialize names of
6789
        scattering variables.
6790
 
6791
2009-01-29  Tobias Grosser  
6792
 
6793
        * graphite.c (dot_all_scops_1): Disable debug output while
6794
        printing graph.
6795
 
6796
2008-01-29  Tobias Grosser  
6797
 
6798
        * graphite.c (find_transform): Change cloog output language to C.
6799
 
6800
2008-01-27  Sebastian Pop  
6801
 
6802
        * tree-loop-distribution.c (generate_memset_zero,
6803
        generate_builtin, generate_code_for_partition,
6804
        rdg_flag_all_uses): New.
6805
        (rdg_flag_uses): Gather in the same partition the statements defining
6806
        the VUSES of the current statement.
6807
        (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
6808
        Gather in the same partition not only the stores to the same memory
6809
        access, but also the reads.
6810
        (ldist_generate_loops): Renamed ldist_gen.
6811
 
6812
2008-01-24  Sebastian Pop  
6813
            Tobias Grosser  
6814
 
6815
        * graphite.c (setup_cloog_loop): Chain all cloog loops with the
6816
        next pointer, don't use the inner pointer.
6817
 
6818
2008-01-20  Tobias Grosser  
6819
 
6820
        * graphite.c (dot_all_scops, dot_all_scops_1): New.
6821
        (find_transform): Call dot_all_1.
6822
        * graphite.h (dot_all_scops): Declared.
6823
 
6824
2007-12-14  Sebastian Pop  
6825
 
6826
        * tree-loop-distribution.c: Fix apsi.f ICE.
6827
        (create_bb_after_loop): New.
6828
        (generate_loops_for_partition): Use it.
6829
        * gfortran.dg/ldist-1.f90: New.
6830
 
6831
        * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
6832
        * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
6833
 
6834
2007-12-13  Tobias Grosser  
6835
 
6836
        * graphite.c (find_transform): Dump cloog program sent to cloog.
6837
 
6838
2007-12-13  Tobias Grosser  
6839
 
6840
        * graphite.c (initialize_cloog_names): Initialize cloog
6841
        iterator names.
6842
 
6843
2007-12-13  Tobias Grosser  
6844
 
6845
        * graphite.c (build_scop_context): Fix typo, for the matrix
6846
        format: insert '0 >= 0' instead of '-1 >= 0'.
6847
 
6848
2007-12-13  Sebastian Pop  
6849
 
6850
        * Fix merge problems.
6851
 
6852
2007-12-13  Sebastian Pop  
6853
 
6854
        * graphite.c (setup_cloog_loop): Fix typo.
6855
 
6856
2007-12-12  Sebastian Pop  
6857
 
6858
        * doc/invoke.texi (-ftree-loop-distribution): Documented.
6859
        * tree-loop-distribution.c: Reimplemented.
6860
        * tree-pass.h (pass_loop_distribution): New.
6861
        * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
6862
        print_loops.
6863
        * graphds.h (struct graph): New field indexes.
6864
        * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6865
 
6866
        * tree-vect-analyze.c: Remove declaration of static functions when not
6867
        needed.
6868
        * tree-vectorizer.c: Same.
6869
        (rename_variables_in_loop): Now extern.
6870
        (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
6871
        tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
6872
        calling redirect_edge_and_branch_force.
6873
 
6874
        * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
6875
 
6876
        * tree-data-ref.c: Don't include tree-chrec.h.
6877
        (debug_data_dependence_relations): New.
6878
        (dump_data_dependence_relation): Call dump_data_reference on data refs
6879
        in the relation.
6880
        (same_access_functions): Moved...
6881
        (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
6882
        (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6883
        debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
6884
        struct rdg_vertex_info, ): New.
6885
        (create_rdg_edge_for_ddr): Compute the dependence level before looking
6886
        at DDR_REVERSED_P.
6887
        (create_rdg_vertices): Initialize the htab of graph->indexes.
6888
        Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
6889
        (stmts_from_loop): Don't save LABEL_EXPR.
6890
        (hash_stmt_vertex_info, eq_stmt_vertex_info,
6891
        hash_stmt_vertex_del): New.
6892
        (build_rdg): Initialize rdg->indexes.
6893
        (free_rdg, stores_from_loop, ref_base_address,
6894
        rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
6895
        have_similar_memory_accesses_1, ref_base_address_1,
6896
        remove_similar_memory_refs): New.
6897
 
6898
        * tree-data-ref.h: Include tree-chrec.h.
6899
        (debug_data_dependence_relations): Declared.
6900
        (same_access_functions): ...here.  Now static inline.
6901
        (ddr_is_anti_dependent, ddrs_have_anti_deps,
6902
        ddr_dependence_level): New.
6903
        (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
6904
        (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
6905
        RDG_MEM_READS_STMT): New.
6906
        (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6907
        debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
6908
        rdg_vertex_for_stmt): Declared.
6909
        (struct rdg_edge): New field level.
6910
        (RDGE_LEVEL, free_rdg): New.
6911
        (stores_from_loop, remove_similar_memory_refs,
6912
        rdg_defs_used_in_other_loops_p,
6913
        have_similar_memory_accesses): Declared.
6914
        (rdg_has_similar_memory_accesses): New.
6915
 
6916
        * lambda.h (dependence_level): New.
6917
        * common.opt (ftree-loop-distribution): New.
6918
        * tree-flow.h (debug_loop_ir): Renamed debug_loops.
6919
        (print_loop_ir): Renamed print_loops.
6920
        (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
6921
        tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
6922
        * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
6923
        (tree-loop-distribution.o): Added.
6924
        * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
6925
        (mark_virtual_ops_in_bb): New.
6926
        (print_loops_bb, debug_loop_num, debug_loop): New.
6927
        * passes.c: Scheduled pass_loop_distribution.
6928
 
6929
2007-12-12  Konrad Trifunovic  
6930
 
6931
        * graphite.c (scan_tree_for_params): Correct the number of columns
6932
        for polylib format.
6933
        (nb_flat_iterator): New.
6934
        (setup_cloog_loop): Initialize to 1 the first column for inequalities.
6935
        (build_scop_iteration_domain): Correct the number of columns for
6936
        polylib format.
6937
 
6938
2007-12-12  Sebastian Pop  
6939
 
6940
        * Merge from mainline (129697:130800).
6941
 
6942
2007-10-30  Sebastian Pop  
6943
 
6944
        * graphite.c (build_graphite_bb): SCoP's basic blocks are post
6945
        dominated by SCoP's exit.
6946
        (graphite_transform_loops): Compute post dominators.
6947
 
6948
2007-10-28  Sebastian Pop  
6949
 
6950
        * Merge from mainline (127169:129697).
6951
 
6952
2007-10-28  Sebastian Pop  
6953
 
6954
        * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
6955
        parameter for the basic block that contains the expression.  Use
6956
        outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
6957
        (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
6958
        the expression.
6959
        * graphite.h (gbb_loop): New.
6960
        (GBB_LOOP): Removed.
6961
 
6962
2007-08-03  Sebastian Pop  
6963
 
6964
        * Makefile.in: Fix merge problem.
6965
 
6966
2007-08-03  Sebastian Pop  
6967
 
6968
        * Merge from mainline (125309:127169).
6969
        * tree-loop-distribution.c: Disabled.
6970
 
6971
2007-06-05  Sebastian Pop  
6972
 
6973
        * Merge from mainline (r123693:125309).
6974
 
6975
2007-05-30  Sebastian Pop  
6976
 
6977
        * tree-loop-distribution.c (correct_modify_expr_p): Renamed
6978
        correct_modify_p
6979
        (correct_modify_p, check_statements, number_of_lvalue_uses,
6980
        number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
6981
        instead of MODIFY_EXPR.
6982
        (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
6983
        and push new edges.
6984
 
6985
2007-05-24  Sebastian Pop  
6986
 
6987
        * tree-loop-distribution.c (struct rdg): Replace arrays by
6988
        VECs for edges and vertices.
6989
        (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
6990
        (RDGV_NB_PARTITIONS): New.
6991
        (PRDG_NBV, PRDG_NBE): Removed.
6992
        (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
6993
        dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
6994
        number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
6995
 
6996
2007-05-17  Georges-Andre Silber  
6997
            Sebastian Pop  
6998
 
6999
        * doc/invoke.texi (-ftree-loop-distribution): Document.
7000
        * tree-loop-distribution.c: New file.
7001
        * tree-pass.h (pass_loop_distribution): Declared.
7002
        * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
7003
        * tree-data-ref.c (initialize_data_dependence_relation): Initialize
7004
        and set reversed_p.
7005
        * tree-data-ref.h (data_dependence_relation): Add reversed_p.
7006
        (DDR_REVERSED_P): New.
7007
        * common.opt (-ftree-loop-distribution): New.
7008
        * tree-flow.h (distribute_loops): Declared.
7009
        * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
7010
        * passes.c (init_optimization_passes): Schedule loop distribution.
7011
 
7012
2007-05-12  Sebastian Pop  
7013
 
7014
        * graphite.c (print_graphite_bb): Don't call dump_data_references.
7015
        (print_scop): Don't print when scop is NULL.
7016
        (build_scop_context, find_transform): Don't output to stderr.
7017
 
7018
2007-05-09  Sebastian Pop  
7019
 
7020
        * tree-data-ref.c: Don't include graphite.h.
7021
        Comment out the code for printing data reference's scop.
7022
        (build_access_matrix_with_af): Moved...
7023
        * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
7024
        * graphite.c (build_access_matrix_with_af): ... here.  Now static.
7025
        (print_graphite_bb): Print basic block's schedule.
7026
        (print_scop): Don't print the schedule, call cloog's pretty printer.
7027
        (bb_in_scop_p): A basic block is in a scop only if it is both
7028
        dominated and postdominated by the scop's entry and exit basic blocks.
7029
        (function_parameter_p): New.
7030
        (invariant_in_scop_p): Use function_parameter_p.
7031
        (new_scop, save_scop): New.
7032
        (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
7033
        save_scop.
7034
        (scan_tree_for_params): Directly build the constraint as CloogMatrix.
7035
        (loop_in_scop_p): New.
7036
        (scop_record_loop): Use loop_in_scop_p.
7037
        (build_scop_domain): Renamed build_scop_iteration_domain.
7038
        (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
7039
        nb_params_in_scop, build_scop_context, first_loop_in_scop,
7040
        setup_cloog_loop, dot_scop_1, dot_scop): New.
7041
        * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
7042
        (struct scop): Add a pointer to cloog's representation of a program.
7043
 
7044
2007-04-14  Sebastian Pop  
7045
 
7046
        * doc/invoke.texi (-ftree-check-verbose): Renamed
7047
        -ftree-checks-verbose.
7048
        * common.opt (flag_tree_check_verbose): Renamed
7049
        flag_tree_checks_verbose.
7050
        * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
7051
 
7052
2007-04-14  Sebastian Pop  
7053
 
7054
        * configure: Regenerated.
7055
        * config.in: Regenerated.
7056
        * tree-ssa-loop.c (graphite_transforms): Execute
7057
        graphite_transform_loops only when HAVE_cloog.
7058
        * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
7059
        * graphite.c: Include polylibgmp.h and cloog.h.
7060
        (graphite_transform_loops): Removed loops parameter.
7061
        * tree-flow.h (graphite_transform_loops): Update declaration.
7062
        * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
7063
        (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
7064
        (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
7065
        (OBJS-common): Remove dependence on graphite.o.
7066
        (BACKEND): Depend on @GRAPHITE@.
7067
 
7068
2007-04-13  Sebastian Pop  
7069
 
7070
        * doc/invoke.texi (-ftree-check-verbose): Documented.
7071
        * gcc.dg/tree-checker/tree-checks-1.c: New.
7072
        * gcc.dg/tree-checker/tree-checks-2.c: New.
7073
        * gcc.dg/tree-checker/tree-checks-3.c: New.
7074
        * gcc.dg/tree-checker/tree-checks-4.c: New.
7075
        * gcc.dg/tree-checker/tree-checks.exp: New.
7076
        * gcc.dg/tree-checker/condates.crp: New.
7077
        * common.opt (ftree-checks-verbose): New.
7078
        * tree-check.c (tree_check_warning): Move extra stderr output
7079
        under control of flag_tree_check_verbose.
7080
 
7081
2007-04-12  Sebastian Pop  
7082
 
7083
        * tree-match.c: Fix comments formatting.
7084
        * tree-match.h: Fix comments formatting.
7085
        * tree-check.c: Fix comments formatting.
7086
        (tree_check_init): Restructure.
7087
 
7088
2007-04-12  Nic Volanschi  
7089
 
7090
        * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
7091
 
7092
2007-04-10  Sebastian Pop  
7093
 
7094
        * Merge from mainline (r120733:123693).
7095
 
7096
2007-03-20  Nic Volanschi  
7097
 
7098
        * condate.y: New file.
7099
        * tree-match.h (struct patt_info_s): New field sign.
7100
        (struct condate_s): New field msg.
7101
        (normalize_condate, name_condate, add_condate): New.
7102
        (conds[], condate_parse): Made extern.
7103
        * tree-check.c (tree_check_warning): First arg changed to cond;
7104
        warning reformatted.
7105
        (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
7106
        (tree_scan): New.
7107
        (tree_check): Process trivial condates.
7108
        (read_delimited_string): Removed.
7109
        (print_cond): Print name and msg.
7110
        (conds[]): Made extern.
7111
        (parse_tree_check_file_once): Rewritten to use the parser in
7112
        condate.y.
7113
        Processing of option --tree_check_string moved to tree_scan().
7114
        * Makefile.in: Added condate.y
7115
 
7116
2007-03-12  Sebastian Pop  
7117
 
7118
        * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
7119
        Use VECs instead of varrays.
7120
        * diagnostic.h (lazy_dump_generic_node): Update declaration.
7121
        * Makefile.in (pretty-print.o): Depend on vec.h.
7122
        * pretty-print.c: Include tree.h and vec.h.
7123
        (pp_clear_state, pp_write_list_to_stream, pp_base_format,
7124
        pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
7125
        new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
7126
        pp_free_list): Use VECs instead of varrays.
7127
        * pretty-print.h: Do not include varray.h.
7128
        (struct tree_chunk_s): Declaration moved before its use.
7129
        (output_buffer): Rename varray field to chunks.
7130
        * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
7131
        tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
7132
        save_global_holes): Use VECs instead of varrays.
7133
        * tree-match.h: Declare VECs of cfg_node, and hole_p.
7134
        * tree-check.c (scan_cfg_stmts, push_node,
7135
        print_matching_stmt): Removed.
7136
        (tree_check_instance, push_global_holes_if_new, tree_check,
7137
        execute_tree_check): Use VECs instead of varrays.
7138
        (gate_tree_check): Don't execute the CFG check when basic_block_info
7139
        is not available.
7140
 
7141
2007-01-12  Sebastian Pop  
7142
 
7143
        * Merge from mainline (r115016:120733).
7144
 
7145
2007-01-12  Sebastian Pop  
7146
 
7147
        * Merge from mainline (r117632:117661).
7148
 
7149
2007-01-12  Sebastian Pop  
7150
 
7151
        * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
7152
        * tree-pass.h (TDF_DEBUG, debug_p): New.
7153
        * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
7154
        get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
7155
        get_loop_exit_condition, analyze_evolution_in_loop,
7156
        analyze_initial_condition, analyze_scalar_evolution,
7157
        instantiate_parameters, number_of_latch_executions): Use debug_p.
7158
        * tree-chrec.c (chrec_apply): Use debug_p.
7159
        * tree-data-ref.c: Include graphite.h.
7160
        (dump_data_reference): Print also the access matrix.
7161
        (analyze_array, analyze_indirect_ref, init_data_ref,
7162
        analyze_offset_expr, address_analysis, object_analysis,
7163
        create_data_ref, finalize_ddr_dependent,
7164
        non_affine_dependence_relation, analyze_ziv_subscript,
7165
        analyze_siv_subscript_cst_affine,
7166
        compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
7167
        can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
7168
        analyze_miv_subscript, analyze_overlapping_iterations,
7169
        build_classic_dist_vector, subscript_dependence_tester,
7170
        compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
7171
        (build_access_matrix_with_af): No longer static.
7172
        * tree-data-ref.h (scop_p): ... declaration here.
7173
        (data_reference.scop): New field.
7174
        (DR_SCOP, DR_ACCESS_MATRIX): New.
7175
        (build_access_matrix_with_af, dr_num_subscripts): Declared.
7176
        * graphite.c (print_graphite_bb): Call dump_data_references.
7177
        (print_scop): Use scop_nb_loops and scop_dim_domain.
7178
        (test_for_scop_bound): Use debug_p.
7179
        (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
7180
        scop_nb_params.
7181
        (scop_loop_index): Moved...
7182
        (scop_record_loop): New.
7183
        (build_scop_loop_nests): Use scop_record_loop.
7184
        (build_scop_domain): Use scop_dim_domain.
7185
        (build_access_matrix): Implemented.
7186
        (build_scop_canonical_schedules): Use scop_nb_loops.
7187
        (build_graphite_bb): Initialize GBB_SCOP.
7188
        * graphite.h (scop_p): Moved...
7189
        (graphite_bb.scop): New field.
7190
        (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
7191
        scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
7192
        SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
7193
        (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
7194
        scop_loop_index): New.
7195
        * Makefile.in (tree-data-ref.o): Depends on graphite.h.
7196
 
7197
2007-01-05  Sebastian Pop  
7198
 
7199
        * Merge from mainline (r117661:120450).
7200
 
7201
2006-10-12  Sebastian Pop  
7202
 
7203
        * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
7204
        at the first declaration outside the varying loop, instantiate as
7205
        far as possible.
7206
        * tree-chrec.c (for_each_scev_op): New.
7207
        * tree-chrec.h (for_each_scev_op): Declared.
7208
        * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
7209
        * tree-data-ref.c (get_references_in_stmt,
7210
        find_data_references_in_stmt): New, from trunk.
7211
        (find_data_references_in_loop): Use get_references_in_stmt
7212
        and find_data_references_in_loop, modified as in trunk.
7213
        (build_access_matrix_with_af): New.
7214
        * tree-data-ref.h (data_reference): Add a field access_matrix.
7215
        (data_ref_loc): New, as in trunk.
7216
        * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
7217
        invariant_in_scop_p, param_index, scan_tree_for_params,
7218
        scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
7219
        idx_record_param, idx_record_params, build_access_matrix,
7220
        build_scop_data_accesses, build_scop_canonical_schedules,
7221
        build_graphite_bb, build_scop_bbs, find_params_in_bb,
7222
        build_scop_params): New.
7223
        * graphite.h (graphite_bb): New.
7224
        (scop): Add fields static_schedule, params, loop_nest,
7225
        iteration_domain.
7226
        * lambda.h: Declare vecs of lambda_matrix.
7227
        * tree-flow.h (print_loop_ir_bb): Declared.
7228
        * tree-cfg.c (print_loop_ir_bb): New.
7229
        (print_loop): Use print_loop_ir_bb.
7230
 
7231
2006-10-12  Sebastian Pop  
7232
 
7233
        * Merge from mainline (r115016:117632).
7234
 
7235
2006-10-11  Sebastian Pop  
7236
 
7237
        * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
7238
        break due to a warning.
7239
 
7240
2006-10-10  Sebastian Pop  
7241
 
7242
        * graphite.c (print_scops, debug_scops): New.
7243
        (graphite_transform): Renamed graphite_find_transform.
7244
        * graphite.h (debug_scops): Declared.
7245
 
7246
2006-08-17  Sebastian Pop  
7247
 
7248
        * tree-match.c: Reformat following the GNU style.
7249
        * tree-match.h: Reformat following the GNU style.
7250
        * tree-pattern.h: Removed empty file.
7251
        * Makefile.in: Remove references to tree-pattern.h.
7252
        * tree-check.c: Reformat following the GNU style.
7253
        (execute_tree_check): Move gate condition code to...
7254
        (gate_tree_check): ...here.  New function.
7255
        (pass_check): Use the gate function.
7256
 
7257
2006-07-04  Nic Volanschi 
7258
 
7259
        * tree-pattern.h: New. Tree pattern matching and checking using
7260
        concrete syntax.
7261
        * tree-check.c: New. Tree/CFG checking pass.
7262
        * tree-match.c: New. Library for tree pattern matching.
7263
        * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
7264
        * toplev.c, flags.h: Add globals for tree-check pass.
7265
        * Makefile.in: Integrate the files in tree-check pass.
7266
        * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
7267
        * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
7268
        Introduce a "lazy" pretty-print mode.
7269
        * tree.c, tree.h: Add tree_name.
7270
 
7271
2006-07-04  Sebastian Pop  
7272
 
7273
        * doc/invoke.texi (-fgraphite): Correct typo.
7274
        * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
7275
        use of print_loop_ir.
7276
        * gcc.dg/graphite/scop-1.c: New.
7277
        * gcc.dg/graphite/scop-2.c: New.
7278
        * gcc.dg/graphite/graphite.exp: New.
7279
        * graphite.c: Include domwalk.h.
7280
        (print_scop): Print only the entry and exit blocks.
7281
        (debug_scop): No longer static.
7282
        (affine_expr): Fix formating.  Return also true when the expression is
7283
        constant.
7284
        (stmt_simple_for_scop_p): Fix formating.
7285
        (build_scops): Use domwalk.
7286
        (get_loop_start, end_scop, test_for_scop_bound): New.
7287
        (graphite_transform_loops): Avoid printing on stderr.
7288
        * graphite.h (debug_scop): Declared.
7289
        * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
7290
        * Makefile.in (graphite.o): Depend on domwalk.h.
7291
        * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
7292
        declarations for static functions.
7293
        (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
7294
        controlling output verbosity.
7295
 
7296
2006-06-26  Sebastian Pop  
7297
            Plesco Alexandru  
7298
 
7299
        * doc/invoke.texi (-fgraphite): Document.
7300
        * tree-pass.h (pass_graphite_transforms): Declared.
7301
        * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
7302
        * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
7303
        (pass_graphite_transforms): Defined.
7304
        * tree-data-ref.c (free_data_ref, data_reference): Extern.
7305
        * tree-data-ref.h (free_data_ref, data_reference): Declared.
7306
        * graphite.c, graphite.h: New.
7307
        * common.opt (fgraphite): Declared.
7308
        * tree-flow.h (graphite_transform_loops): Declared.
7309
        * Makefile.in (OBJS-common): Add graphite.o.
7310
        (graphite.o): New rule.
7311
        * passes.c (pass_graphite_transforms): Scheduled.
7312
 

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