Subversion Repositories openrisc_me

Fri Dec 31 19:10:31 1999  Richard Kenner  

        * function.c (update_temp_slot_address): Handle case where sum of

        temporary address plus offset in register is a valid address.

1999-12-30  Herman A.J. ten Brugge  

        * genrecog.c (change_state) Corrected typo.

1999-12-30  Kaveh R. Ghazi  

        * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,

        getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,

        strerror, getrlimit, setrlimit, abort): Add prototype arguments.

1999-12-30  Bernd Schmidt  

        * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE

        case, expand GT comparisons correctly.  Fix a comment before this

        part of the code.

1999-12-30  Gabriel Dos Reis  

        * dwarfout.c: Include "frame.h"

        * dwarf2out.c: Likewise.

        * Makefile.in (dwarfout.o): Depend on frame.h

        (dwarf2out.o): Likewise.

1999-12-29  "Martin v. Loewis" 

        Restore i386 binary compatibility in Dwarf EH info.

        * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old

        value of FIRST_PSEUDO_REGISTER.

        * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.

        (struct frame_state): Use DWARF_FRAME_REGISTERS.

        * dwarfout.c (output_reg_number): Ditto.

        * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.

        (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.

1999-12-29  Bruce Korb  

        * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK

        * fixinc/fixincl.tpl(TEST_CT): Just do the existence test once

        (_RE_CT): not needed

        * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c

        rewritten to scan the file text once only

        "template<..." test added

        * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c

        (is_cxx_header): declaration added

        * fixinc/fixtests.c(is_cxx_header): removed

        (apply_fix_p_t): removed

        (double_slash_test): is_cxx_header is only called once now

        * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG

        * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state

        within the templates.

        The borken spelling of "broken" was fixed.

        * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages

        The default level depends on FIXINC_DEBUG.

1999-12-29  Kaveh R. Ghazi  

        * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.

        Otherwise provide a declaration for atexit.

        (init_dummy): Make sure dummy call to atexit is nevertheless

        called with correct number of args.

        * frame.c: Update comments referring to other files.

        * libgcc2.c: Likewise.

1999-12-29  Kaveh R. Ghazi  

        * cse.c (free_element, get_element): Remove unused prototypes.

        * fold-const.c (extract_muldiv): Initialize variables `op0' and

        `op1'.

        * jump.c (invert_exp): Add explicit braces to avoid ambiguous

        `else' clauses.

Wed Dec 29 12:44:54 1999  Donald Lindsay  

        * configure.in,configure: case arm for mn10200-*-* now sets

        float_format=i32 so that float.h will correctly claim "double"

        to be 32 bits. Ran autoconf to generate configure from .in file.

Wed Dec 29 10:53:21 1999  Jeffrey A Law  (law@cygnus.com)

        * pa.md (conditional zero): If op1 is a register, force it into

        the same register as op0.

1999-12-28  Mark Mitchell  

        * tree.h (BINFO_BASETYPES): Improve documentation.

1999-12-28  Kaveh R. Ghazi  

        * configure.in (--enable-checking): Use a more portable `for'

        loop syntax.

1999-12-28  Kaveh R. Ghazi  

        * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,

        arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.

        * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:

        Delete files.

        * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):

        Delete descriptions.

        * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,

        m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,

        m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,

        pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,

        xm-svr4.h: Remove all instances of sys_siglist handling.

1999-12-27  Jakub Jelinek  

        * config/sparc/sparc.md (cmp_zero_qi,

        cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,

        cmp_zero_extendqidi2_andcc_set): New patterns.

1999-12-28  Manfred Hollstein  

        * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.

        (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.

        (fpgnulib.c, xfgnulib.c): Add rules.

        * m68k/t-mot3300-gas: Likewise.

1999-12-27  Ian Lance Taylor  

        * configure.in: Avoid [[ by using test and changequote.  Add

        changequote required by 1999-12-14 change.

        * configure: Rebuild.

1999-12-27  Clinton Popetz  

        * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.

1999-12-27  Christophe Jaillet  

        * alias.c (nonlocal_reference_p): Add else for disjoint ifs.

        * flow.c (find_use_as_address): Likewise.

        * function.c (fixup_var_refs_1): Likewise.

        (walk_fixup_memory_subreg, fixup_stack_1): Likewise.

        * jump.c (invert_exp, redirect_exp): Likewise.

        * loop.c (replace_call_address): Likewise.

        (count_nonfixed_reads): Likewise.

        * rtlanal.c (modified_between_p): Likewise.

        (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.

        (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.

        * unroll.c (remap_split_bivs): Likewise.

1999-12-27  Kaveh R. Ghazi  

        * diagnostic.c (v_message_with_decl): Use .* format specifier

        instead of building the format specifier width manually.

        * system.h (strsignal): Don't check HAVE_STRSIGNAL when

        determining whether to provide a prototype.  Remove the

        sys_siglist clause in the conditional.

1999-12-23  Martin v. Löwis  

        * fold-const.c (operand_equal_p): Use memcmp to compare string

        constants.

        Suggested by D. J. Bernstein

1999-12-17  Jakub Jelinek  

        * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure

        UNITS_PER_WORD and BITS_PER_WORD are compile time constants when

        compiling libgcc2.

        * config/mips/mips.h (TARGET_64BIT): Likewise.

        * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.

        * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead

        of {SI,DI}type and DIunion.  Define these types to QI/HI modes on

        dsps.  Give routines proper names if SI/DI modes are not used.

        * longlong.h: Use DWunion instead of DIunion.

1999-12-26  Zack Weinberg  

        * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,

        GC_CHECKING, GC_ALWAYS_COLLECT.

        * configure.in: Allow --enable-checking with an argument

        listing check modes to enable.

        * config.in, configure: Rebuilt.

        * ggc-page.c, ggc-simple.c: Define GGC_POISON (and

        GGC_ALWAYS_VERIFY for ggc-simple.c) only if

        ENABLE_GC_CHECKING.  Define GGC_ALWAYS_COLLECT only if

        ENABLE_GC_ALWAYS_COLLECT.

        * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING

        throughout.

        * tree.h, tree.c: Change ENABLE_CHECKING to

        ENABLE_TREE_CHECKING throughout.

Sun Dec 26 07:48:20 1999  Richard Kenner  

        * fold-const.c (fold_truthop): Properly check for FP RHS.

1999-12-24  Mark Mitchell  

        * toplev.h (note_deferall_of_defined_inline_function): Declare.

        * toplev.c (note_deferral_of_defined_inline_function): New

        function, split out from ...

        (rest_of_compilation): ... here.  Use it.

Fri Dec 24 12:34:26 1999  Richard Kenner  

        * expr.c (store_constructor): Don't call clear_storage if size is

        variable.

1999-12-24  Kaveh R. Ghazi  

        * Makefile.in (toplev.o): Depend on loop.h.

        * dwarfout.c: Include tm_p.h.

        * emit-rtl.c (restore_emit_status): Mark parameter with

        ATTRIBUTE_UNUSED.

        * final.c (final_scan_insn): Likewise.

        * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,

        flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,

        flow_depth_first_order_compute, flow_loop_pre_header_find,

        flow_loop_tree_node_add, flow_loops_tree_build,

        flow_loop_level_compute, flow_loops_level_compute,

        flow_loop_outside_edge_p): Add prototypes.

        (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.

        * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):

        Mark with ATTRIBUTE_NORETURN.

        * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.

        * local-alloc.c (no_conflict_p): Likewise.

        * loop.c (insert_bct): Hide definitions of variables with hidden

        usage.

        (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.

        * regclass.c (memory_move_secondary_cost): Mark variable `mem'

        with ATTRIBUTE_UNUSED.

        (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.

        (reg_scan): Likewise.

        * reload.c (find_reloads): Remove unused variables `changed'.

        * reload1.c (reload_reg_class_lower): Don't unnecessarily cast

        away const-ness.

        (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.

        Remove unused variable `insn'.

        * toplev.c: Include loop.h.

        (report_file_and_line): Remove unnecessary prototype.

        * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.

        * unroll.c (biv_total_increment): Likewise.

Thu Dec 23 23:15:22 1999  J"orn Rennecke 

        * reload1.c (emit_input_reload_insns): Restore old behavior

        wrt. 'special' reloads.

1999-12-23  Zack Weinberg  

        * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on

        hash.h.  (cse.c): Don't depend on hashtab.h.

        * cse.c: Don't include hashtab.h.

        (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes

        of dead functions.

        * ggc-simple.c: Don't include hash.h.

1999-12-22  Jason Merrill  

        * dwarf2out.c (add_abstract_origin_attribute): Call

        gen_abstract_function on our function context.

Thu Dec 23 03:57:10 1999  Hans-Peter Nilsson  

        * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.

1999-12-23  Michael Hayes  

        * config/c4x/c4x.c (c4x_address_cost): Add statement to default

        case in switch.

1999-12-22  Michael Hayes  

        * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0

        constraints to "a!r".

1999-12-21  Mark Mitchell  

        * Makefile.in (calls.o): Depend on function.h.

        (alias.o): Likewise.

1999-12-21  Bernd Schmidt  

        * reload1.c (emit_reload_insns): Break out code and variables into...

        (input_reload_insns, other_input_address_reload_insns,

        other_input_reload_insns, input_address_reload_insns,

        inpaddr_address_reload_insns, output_reload_insns,

        output_address_reload_insns, outaddr_address_reload_insns,

        operand_reload_insns, other_operand_reload_insns,

        other_output_reload_insns): ... new static variables, and...

        (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,

        do_output_reload): ... new functions.

Tue Dec 21 07:06:36 1999  Richard Kenner  

        * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.

1999-12-21  Michael Hayes  

        * md.texi: Add c4x constraints documentation.

1999-12-21  Martin v. Löwis  

        * config/i386/dgux.c (struct option): Rename to

        lang_independent_option.

        (struct m_options): Add description field.

        (output_options): Rename option type, add sep declaration, output

        ix86_cpu_string and ix86_arch_string only if set.

        (output_file_start): Rename option type.

Mon Dec 20 23:15:36 1999  Mike Stump  

        * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on

        stmp-int-hdrs.

        (libgcc2.a): Similarly.

Mon Dec 20 23:06:47 1999  David Edelsohn  

        * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss

        with W_TYPE_SIZE == 32.  Do not fall through to POWER architecture

        for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.

Mon Dec 20 23:02:03 1999  Jeffrey A Law  (law@cygnus.com)

        * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.

        Remove redundant initialization of "frexpon" and "expon".

Mon Dec 20 15:00:04 1999  Richard Kenner  

        * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.

        * expr.c (store_constructor): New argument SIZE; pass to clear_storage.

        (store_constructor_field, expand_expr): Pass new arg.

1999-12-20  Mark Mitchell  

        * Makefile.in (explow.o): Depend on function.h.

        * stor-layout.c (set_sizetype): Fix typo.

1999-12-20  Bernd Schmidt  

        * function.c (cfun): Renamed from current_function.  All users

        changed.

        * function.h (cfun): Rename declaration as well.

        * reload.h (struct insn_chain): Change live_throughout and dead_or_set

        to be of type regset_head, not regset.  All users changed by adding

        address operator.

        * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.

1999-12-20  Michael Hayes  

        * config/c4x/rtems.h: New file.

1999-12-19  Bernd Schmidt  

        * reload1.c (spill_failure): Take class of failed reload as argument

        and print it.  Caller changed.

Sun Dec 19 07:50:42 1999  Richard Kenner  

        * rs6000.h (SUBTARGET_DEFAULT): New macro.

        (TARGET_SWITCHES): Allow subtargets to default switches.

        * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.

1999-12-18  Mark Mitchell  

        * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize

        in a main program.

Sat Dec 18 20:42:43 1999  Richard Henderson  

        * cccp.c (main): Define __STDC_VERSION__ as necessary.

        * cppinit.c (cpp_handle_option): Likewise.

        * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to

        determine when to define.

Sat Dec 18 20:34:00 1999  Richard Henderson  

        * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle

        cmove with mismatched test and data modes.

Sat Dec 18 20:30:15 1999  Richard Henderson  

        * c-typeck.c (c_expand_start_case): Don't warn for long switch

        in system headers.

Sat Dec 18 16:28:43 1999  Richard Kenner  

        * alias.c: Minor reformatting.

        * flow.c: Likewise.

        * regs.h: Likewise.

        * stor-layout.c: Likewise.

        * fold-const.c: Likewise.

        (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.

        (struct cb_args, const_binop_1, const_binop): Pass type of arg,

        not arg itself.

        (size_int_wide): Cache nodes even if garbage collecting.

        (twoval_comparison_p): Reenable SAVE_EXPR case if operand

        of SAVE_EXPR has no side effects.

        * cse.c: Move a comment.

        * tree.c: Minor reformatting.

        (int_size_in_bytes): Return -1 if constant overflows.

Sat Dec 18 18:30:20 1999  J"orn Rennecke 

        * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.

1999-12-18 10:42 -0800  Zack Weinberg  

        * objc/objc-parse.c: Regenerate.  This file must be rebuilt

        after any change to c-parse.in, even if objc-parse.y didn't

        change.  Oops.

1999-12-18  David S. Miller  

        * toplev.c (rest_of_compilation): Restore BLOCK tree

        reconstruction and branch shortening changes lost in

        December 18th change.

Sat Dec 18 05:29:29 1999  Scott Bambrough  

        * config/arm/linux-elf.h: Change all instances of

        ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.

        * config/arm/uclinux-elf.h: Likewise.

1999-12-18 Gabriel Dos Reis  

        * toplev.c (notice, vmessage, v_message_with_file_and_line,

        v_message_with_decl, file_and_line_for_asm,

        v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,

        verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,

        v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,

        v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,

        pfatal_with_name, fatal_io_error, need_error_newline,

        last_error_function, last_error_tick, announce_function,

        default_print_error_function, print_error_function,

        report_error_function, fnotice, error_with_file_and_line,

        error_with_decl, error_for_asm, error, set_fatal_function, fatal,

        _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,

        warning_with_decl, warning_for_asm, warning, pedwarn,

        pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to

        diagnostic.c

        (compile_file): Use fnotice instead of notice.  Adjust call.

        * diagnostic.c: New file.

        * Makefile.in (OBJS): Include diagnostic.o

        (diagnostic.o): Define dependence.

1999-12-18  Michael Hayes  

        * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).

        Tweak formatting.

1999-12-18  Michael Hayes  

        * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.

1999-12-17 13:21 -0800  Zack Weinberg  

        * fixtests.c (is_cxx_header): New fn, split out of

        double_slash_test.

        (else_endif_label): Allow "#endif // comment" in C++ headers,

        as determined by is_cxx_header.

        * fixfixes.c (else_endif_label_fix): Update comment.

        * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not

        a tty.

        * genfixes: Correct double thinko in commandline parsing.

        * hackshell.tpl: Generate correct sh syntax for bypass

        entries.

        * inclhack.def (all): Whenever an inserted preprocessor

        conditional is split over multiple lines, use double

        backslashes in this file so the fixed header will be readable.

        (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h

        and add bypass entry for correct version of this header.

        (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.

        (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.

        (hpux8_bogus_inlines): New fix, split from...

        (ultrix_atof_param) ... here.

        (math_expression): Add bypass entry keyed to glibc comment

        indicating the problem has been dealt with; disable

        unnecessary sed operations; update commentary.

        (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,

        add select and bypass entries, simplify shell operation.

        (math_huge_val_ifndef): Split from math_gcc_ifndefs.

        (ip_missing_semi, rs6000_param, tinfo_cplusplus,

         ultrix_atof_param): Add select entry.

        (stdio_va_list, sunos_mather_decl): Add bypass entry.

        (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the

        comments with the fixes they describe.

        * c-parse.in (string action): Do not warn about ANSI string

        concatenation in system headers.  Affects C parser only.

        * c-parse.y, c-parse.c, c-parse.h: Rebuild.

1999-12-16  Jakub Jelinek  

        * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if

        compiling libgcc2 the macro depends always on arch cpp defines.

Fri Dec 17 10:34:16 1999  Richard Earnshaw 

        * loop.c (insert_loop_mem): Don't record MEMs from inside

        EXPR_LISTs.

Fri Dec 17 12:08:11 MET 1999  Jan Hubicka  

        * regclass.c (regclass): Do not use flowgraph when not optimizing.

        * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV

        notes too, create one when replacement failed, attempt to simplify

        resulting notes.

        (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL

        or REG_EQUIV notes.

1999-12-16  Mark Mitchell  

        * crtstuff.c (__dso_handle): Declare.

        (__cxa_finalize): Likewise.

        (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is

        non-NULL.

        * invoke.texi: Document -fuse-cxa-atexit.

        * tree.h (ptr_type_node): Document.

        (const_ptr_type_node): Likewise.

Fri Dec 17 01:32:38 MET 1999  Jan Hubicka  

        * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.

        (optimize_reg_copy_2): Likewise.

        (optimize_reg_copy_3): Likewise.

        (fixup_match_2): Likewise.

        (regmove_optimize): Likewise.

        (fixup_match_1): Liekwise.

        * i386.md (HI to SImode promoting splitters): Rewrite.

        (pushsf mem peep2): New.

        (testhi to andhi peep2): Remove.

        * i386.h (x86_promote_QImode): New.

        (TARGET_PROMOTE_QImode): New.

        (PREDICATE_CODES): Add promotable_binary_operator.

        * i386.c (x86_promote_QImode0: New.

        (promotable_binary_operator): New.

        * i386-protos.h (promotable_binary_operator): New.

        * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify

        condition.

        (one_cmpl?i*): Pass "NOT" to unary_operator_ok.

1999-12-16  Mark Mitchell  

        * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.

        * function.c (insert_block_after_note): Remove.

        (retrofit_block): Likewise.

        (identify_blocks): Fix indentation.

        (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a

        NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.

        * function.h (insert_block_after_note): Remove prototype.

        (retrofit_block): Likewise.

        * integrate.c (expand_inline_function): Don't call

        find_loop_tree_blocks.  Use expand_start_bindings_and_block, not

        just expand_start_bindings.  Use the block_map to remap old

        NOTE_BLOCKs to new ones.

        (integrate_decl_tree): Keep track of remapped blocks.

        * integrate.h (struct inline_remap): Add block_map.

        * stmt.c (expand_fixup): Don't try to retrofit_blocks.  Just set

        NOTE_BLOCK on the notes.

        (expand_start_bindings): Rename to ...

        (expand_start_bindings_and_block): Add parameter.  Set NOTE_BLOCK.

        (expand_end_bindings): Set NOTE_BLOCK.

        * toplev.c (rest_of_compilation): In function-at-a-time-mode,

        reconstruct the BLOCK tree.

        * tree.h (expand_start_bindings): Macroize.  Call ...

        (expand_start_bindings_and_block): New function.

1999-12-16  Jakub Jelinek  

        * config/sparc/sparc.c (print_operand): Cast fprintf arguments

        to match the format.

1999-12-16  David S. Miller  

        * expr.c (emit_move_insn_1): Only emit clobbers if one of

        the outputs is a SUBREG.

        * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th

        change.

        * config/sparc/sparc.c (epilogue_renumber): Add default case

        to switch stmt.

Thu Dec 16 11:33:57 MET 1999  Jan Hubicka  

        * toplev.c (rest_of_compilation): Run branch shortening after

        reg-stack.

        * regclass.c (loop_depth): Remove

        (scan_one_insn): Do not handle LOOP_NOTE insns.

        (regclass): Go through basic blocks and set loop_cost

Thu Dec 16 02:56:25 1999  Zack Weinberg  

        * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.

Thu Dec 16 10:43:35 MET 1999  Jan Hubicka  

        * i386.md (movqi): Use "nonimmediate_operand" for output operand.

        (movstrictqi, movdi, movsf, movdf, movxf): Likewise.

        (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.

Thu Dec 16 02:41:26 1999  Richard Henderson (rth@cygnus.com)

        * loop.c (insert_loop_mem): Ignore memory clobbers.

        * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)

        to (OP A B).

Thu Dec 16 02:26:11 1999  Jeffrey A Law  (law@cygnus.com)

        * profile.c: Remove redundant #include "output.h".

        * h8300.md (HImode preinc peephole): Fix typo.

1999-12-15  Jason Merrill  

        * function.c (retrofit_block): Abort if we don't find a suitable insn.

        (insert_block_after_note): Abort if we don't have a previous block.

        Remove FN parameter.

        * function.h: Adjust.

1999-12-15  Mark Mitchell  

        * builtins.c (expand_builtin_mathfn): Make sure not to expand the

        argument more than once.

1999-12-15  Jason Merrill  

        * stmt.c (expand_decl): Expand upper bound of a dynamic array.

1999-12-15  Jakub Jelinek  

        * expr.c (emit_group_load): Use dst mode if src is VOIDmode.

Wed Dec 15 16:11:55 MET 1999  Jan Hubicka  

        * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.

        (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,

        update stack_alignment_needed.

        (prepare_function_start): Initialize stack_alignment_needed

        * function.h (struct function): Add field stack_alignment_needed.

Wed Dec 15 14:55:24 1999  J"orn Rennecke 

        * caller-save.c (insert_one_insn): Returns struct insn_chain *.

        Handle live_throughout / dead_or_set instead of live_before /

        live_after.

        (save_call_clobbered_regs): Get register livenessinformation from

        chain->live_throughout.

        (add_stored_regs): New function.

        (insert_restore, insert_save): Add restored / saved registers to

        dead_or_set.

        * global.c (reg_dies): New parameter chain.

        (reg_becomes_live): Third parameter is regs_set now.

        Changed all callers.

        (reg_dies): New parameter chain.  Changed all callers.

        (build_insn_chain): Set live_throughout instead of

        live_before / live_after.

        * reload.h (struct insn_chain): Replace members live_before /

        live_after with live_throughout / dead_or_set.

        * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set

        instead of live_before / live_after.

        (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.

        (order_regs_for_reload, find_reg, finish_spills): Likewise.

        (choose_reload_regs_init): Likewise.

        * stupid.c (current_chain, find_clobbered_regs): Delete.

        (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set

        instead of chain->live_before / chain->live_after.

        (mark_hard_ref): New function.

        (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.

1999-12-15  David S. Miller  

        * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.

Wed Dec 15 15:05:30 MET 1999  Jan Hubicka  

        * flow.c (calculate_loop_depth): Make global, remove prototype,

        rewrite to use new loop infrastructure.

        (find_basic_block): Remove calculate_loop_depth call.

        * toplev.c (rest_of_compilation): Call find_basic_block.

        * output.h (calculate_loop_depth): Declare.

        * flow.c (dump_flow_info): Dump loop_depth.

        (flow_loops_nodes_find): Increase loop_depth for basic block in the

        body.

        (flow_loops_find): Initialize the loop_depth for each basic block.

1999-12-15  Jason Merrill  

        * tree.c (decl_function_context): Handle virtual functions.

        * tlink.c (scan_linker_output): Don't look in demangled name when

        looking for linker output keywords.

        * dwarfout.c (output_type): We can defer namespace-scope classes.

Wed Dec 15 01:23:29 1999  Jeffrey A Law  (law@cygnus.com)

        * regclass.c (record_reg_classes): Update comment for merging

        register class preferences in reg->reg copies.  Tighten conditions

        for merging register class preferences in reg->reg copies.

Wed Dec 15 02:19:32 1999  David Edelsohn  

        * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.

1999-12-14  Geoff Keating  

        * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.

        (INIT_SECTION_ASM_OP): Delete.

        (FINI_SECTION_ASM_OP): Delete.

        (STARTFILE_SPEC): Define to hold just crtbegin.o.

1999-12-14  Jason Merrill  

        * dwarf2out.c (add_abstract_origin_attribute): Do call abort if

        the abstract origin wasn't emitted.

        * dwarf2out.c (class_scope_p): New fn.

        (gen_subprogram_die): Use it.

        (gen_variable_die): Use it.  Tweak logic.

        (gen_struct_or_union_type_die): Check context_die to determine

        if we're function-local.

        (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.

1999-12-14  Bernd Schmidt  

        * loop.c (check_dbra_loop): Can't reverse a biv that has

        maybe_multiple set.

1999-12-14  Nick Clifton  

        * config/arm/arm.c: Add support for -mcpu=arm720 command line

        switch.

Tue Dec 14 18:13:32 1999  J"orn Rennecke 

        * loop.c (strength_reduce): Fix sign of giv lifetime calculation

        for givs made from biv increments.

Tue Dec 14 08:11:27 1999  Richard Henderson  

        * configure.in (alpha-osf, alpha-linux): Handle ev6[78].

        * alpha.c (override_options): Recognize -mcpu=ev67.

        * alpha.h (CPP_CPU_EV67_SPEC): New.

        (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.

        (EXTRA_SPECS): Update.

Tue Dec 14 08:04:28 1999  Richard Henderson  

        * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as

        appropriate for -lang-c89 and -std=*.

        * cppinit.c (cpp_handle_option): Likewise.

        (new_pending_define): New, split out from cpp_handle_option.

        * gcc.c (default_compilers): Don't define __STRICT_ANSI__

        or enable trigraphs for -ansi/-std=*.

        * ginclude/stdarg.h (__va_copy): New.

        (va_copy): Don't define for C89.

Tue Dec 14 08:37:27 CST 1999 Clinton Popetz  

        * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns

        for long long multiply-accumulate.

Tue Dec 14 13:51:38 MET 1999  Jan Hubicka  

        * regclass.c (scan_one_insn): Set loop_cost to 1 when

        optimizing for size.

1999-12-14  Bernd Schmidt  

        * reload1.c (reload): Can't avoid select_reload_regs/finish_spills

        if something changed.  Back out that part of yesterday's changes.

        * loop.c (loop_max_reg): New static variable.

        (loop_optimize): Initialize it.  Eliminate one unnecessary call to

        max_reg_num.

        (scan_loop): Call reg_scan_update whenever we may have added new

        registers, and update loop_max_reg.

Tue Dec 14 12:07:29 MET 1999  Jan Hubicka  

        * regclass.c  (record_reg_classes): Do not do the copying preferrencing

        when source does not die.

        * regclass.c (record_reg_classes): Handle INOUT operands properly.

1999-12-14  Jakub Jelinek  

        * config/sparc/linux64.h (TARGET_LIVE_G0,

        TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC

        variants on Linux.

        * config/sparc/linux.h (TARGET_LIVE_G0,

        TARGET_BROKEN_SAVERESTORE): Likewise.

        * config/sparc/linux-aout.h (TARGET_LIVE_G0,

        TARGET_BROKEN_SAVERESTORE): Likewise.

        * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.

        (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,

        not %g2.

        (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2

        as sparc64 block profiling register.

        * config/sparc/sparc.c (sparc_override_options): Allow block

        profiling with -m32.

        (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block

        profiling register.

        * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these

        macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.

        * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.

        * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing

        for sparc64.

        * config/sparc/sparc.h: Likewise.

        * config/sparc/xm-sysv4-64.h: Likewise.

        * config/float-sparc.h: Likewise.

        * glimits.h: Likewise.

        * longlong.h: Likewise.

        * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.

        (ASM_IDENTIFY_GCC): Remove.

1999-12-14  Bernd Schmidt  

        * combine.c (combine_simplify_rtx): Don't make shared rtl.

        (simplify_logical): Likewise.

1999-12-14  Mumit Khan  

        * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.

        * cppfiles.c (INO_T_EQ): Likewise.

1999-12-14  Mumit Khan  

        * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.

        * i386/mingw32.h (LIB_SPEC): Likewise.

        (STARTFILE_SPEC): Likewise.

        * i386/uwin.h (LIB_SPEC): Likewise.

        (STARTFILE_SPEC): Likewise.

        * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.

        * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.

Mon Dec 13 20:25:29 1999  Jeffrey A Law  (law@cygnus.com)

        * combine.c (combine_simplify_rtx): Fix order of checks for

        (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.

1999-12-13  Clinton Popetz  

        * config/arm/arm.md  (*mulsidi3adddi, *umulsidi3adddi) Backed out

        12/10/99 change, reapplied to merged-arm-thumb-backend-branch.

1999-12-10  Bernd Schmidt  

        * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is

        defined.

        * regclass.c (inv_reg_alloc_order): New array.

        (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.

        * reload.h (struct insn_chain): Delete fields group_size, group_mode,

        counted_for_groups, counted_for_nongroups.  Add fields rld and

        n_reloads.

        * reload.c (push_secondary_reload): Don't set nongroup field of

        new reloads.

        (push_reload): Likewise.

        (find_reloads): Delete code to compute nongroup fields.

        * reload1.c (reload_insn_firstobj): New static variable.

        (pseudos_counted, spilled_pseudos): Now of type regset_head.  All

        users changed.

        (calculate_needs, find_tworeg_group, find_group, possible_group_p,

        count_possible_groups, modes_equiv_for_class_p, new_spill_reg,

        dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete

        functions.

        (count_pseudo, select_reload_regs, copy_reloads, find_reg): New

        functions.

        (struct hard_reg_n_uses): Deleted.

        (potential_reload_regs): Deleted.

        (init_reload): Initialize spilled_pseudos and pseudos_counted.

        (reload): Don't try to allocate reload registers if we already know

        we have to make another pass.  Call select_reload_regs.  Free memory

        starting with reload_firstobj when starting another pass.

        Don't allocate spilled_pseudos.

        (calculate_needs_all_insns): Call copy_reloads for an insn that

        needs reloads; don't call calculate_needs.

        (spill_cost): New static array.

        (used_spill_regs_local): New static variable.

        (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code