* opts.c (decode_options): Disable CSE skip blocks.

[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog

2006-10-31  Steven Bosscher  <steven@gcc.gnu.org>

        * opts.c (decode_options): Disable CSE skip blocks.

2006-10-30  Dirk Mueller  <dmueller@suse.de>

        * c-common.h (strict_aliasing_warning): Fix whitespace.
        * c-decl (start_function): Move code for main decl warning ..
        * c-common.c (check_main_parameter_types): .. here.
        * c-common.h (check_main_parameter_types): Declare.
 
2006-10-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        PR middle-end/29335
        * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.

2006-10-30  Pete Steinmetz  <steinmtz@us.ibm.com>

        * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
        be a PARALLEL containing sets.  Return false when out_pat is not
        a PARALLEL insn.

2006-10-30  Richard Sandiford  <richard@codesourcery.com>

        * config/mips/mips.md (mul<mode>3): Split into...
        (mulsi3, muldi3): ...these separate patterns.

2006-10-30  Richard Sandiford  <richard@codesourcery.com>

        * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
        but with each set of options separated by spaces.

2006-10-30  J"orn Rennecke  <joern.rennecke@st.com>

        * unwind-dw2.c (uw_init_context_1): Fix test that checks if
        dwarf_reg_size_table has been initialized.

2006-10-30  Roger Sayle  <roger@eyesopen.com>

        * builtins.c (expand_builtin_mathfn_3): Correct coding style.
        * ddg.c (print_ddg_edge): Likewise.
        * dwarf2out.c (prune_unused_types_walk): Likewise.
        * ifcvt.c (noce_try_cmove_arith): Likewise.
        * langhooks.c (add_builtin_function): Likewise.
        * reg-stack.c (subst_stack_regs_pat): Likewise.
        * tree.c (expanded_location): Likewise.
        * tree-dump.c (dequeue_and_dump): Likewise.

2006-10-30  David Daney  <ddaney@avtrex.com>

        * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.

2006-10-30  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/29637
        * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
        of the innertype is the innertype itself.

2006-10-30  Danny Smith  <dannysmith@users.sourceforge.net>

        * dwarf2out.c (file_name_acquire): Correct typo.

2006-10-29  Daniel Berlin  <dberlin@dberlin.org>

        * tree.h (tree_value_handle): Remove struct value_set declaration.      
        Change value_set to bitmap_set.
        * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
        * tree-vn.c (get_value_handle): Made inline and moved to
        tree-flow-inline.h.
        * tree-flow-inline.h: (has_stmt_ann): New function.
        * tree-ssa-pre.c (expressions): New variable.
        (next_expression_id): Ditto.
        (alloc_expression_id): New function.
        (struct value_set): Remove.
        (get_expression_id): New function.
        (get_or_alloc_expression_id): Ditto.
        (expression_for_id): Ditto.
        (clear_expression_ids): Ditto.
        (FOR_EACH_EXPR_ID_IN_SET): New macro.
        (bb_value_sets): Renamed to bb_bitmap_sets.
        All value sets replaced with bitmap_sets.
        Add visited member.
        (BB_VISITED): New macro.
        (postorder): New variable.
        (add_to_value): Removed.
        (value_exists_in_set_bitmap): Ditto.
        (value_insert_into_set_bitmap): Ditto.
        (set_new): Ditto.
        (set_copy): Ditto.
        (set_remove): Ditto.
        (set_contains_value): Ditto.
        (insert_into_set): Ditto.
        (set_equal): Ditto.
        (find_leader): Ditto.
        (bitmap_set_subtract_from_value_set): Ditto.
        (value_insert_into_set): Ditto.
        (print_value_set): Ditto.
        (debug_value_set): Ditto.
        (constant_expr_p): New function.
        (bitmap_remove_from_set): Ditto.
        (bitmap_insert_into_set): Ditto.
        (bitmap_set_free): Ditto.
        (vh_compare): Ditto.
        (sorted_array_from_bitmap_set): Ditto.
        (bitmap_set_subtract): Ditto.
        (bitmap_set_equal): Ditto.
        (debug_bitmap_set): Ditto.
        (find_leader_in_sets): Ditto.
        (bitmap_set_replace_value): Modify for bitmapped sets.
        (phi_translate): Ditto.
        (phi_translate_set): Ditto.
        (bitmap_find_leader): Ditto.
        (valid_in_sets): Ditto.
        (union_contains_value): Ditto.
        (clean): Ditto.
        (compute_antic_aux): Ditto.  Mark changed blocks.
        (compute_antic): Ditto. Iterate in postorder and only over
        changing blocks.
        (compute_rvuse_and_antic_safe): Reuse postorder.
        (create_component_ref_by_pieces): Modify for bitmapped sets.
        (find_or_generate_expression): Ditto.
        (create_expression_by_pieces): Ditto.
        (insert_into_preds_of_block): Ditto.
        (changed_blocks): New variable.
        (do_regular_insertion): Broken out from insert_aux.
        (insert_aux): Modified for bitmapped sets.
        (find_existing_value_expr): New function.
        (create_value_expr_from): Use it.
        (insert_extra_phis): Removed.
        (print_bitmap_set): Renamed from bitmap_print_value_set.
        (compute_avail): Handle RETURN_EXPR.
        (init_pre): Modify for bitmapped sets.
        * tree-flow.h (has_stmt_ann): New function.
        
2006-10-29  Roger Sayle  <roger@eyesopen.com>

        * builtins.c (fold_builtin_floor): Check for the availability of
        the C99 trunc function before transforming floor into trunc.

2006-10-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (fold_builtin_hypot): Rearrange recursive
        transformation before others, and also do ABS_EXPR.  When
        necessary, check flag_unsafe_math_optimizations.  When necessary,
        add fabs.

2006-10-29  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
        Fold ~X op C as X op' ~C, where op' is the swapped comparison.
        (fold_binary): ~X eq/ne C is now handled in fold_comparison.
        Fold -X eq/ne -Y as X eq/ne Y.

2006-10-29  Richard Sandiford  <richard@codesourcery.com>

        * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
        GENERATE_MULT3_<MODE>.  Restrict the test to SImode.  Use ISA_HAS_MUL3
        rather than GENERATE_MULT3_SI in the various define_peephole2s.
        (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
        Use an inclusive test for "mult" rather than "mul".
        (rotr<mode>3): Depend on ISA_HAS_ROR.
        * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
        ISA_HAS_MUL3.
        (GENERATE_MULT3_DI): Delete.
        (ISA_HAS_64BIT_REGS): Use consistent formatting.
        (ISA_HAS_MUL3): New macro.
        (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
        (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
        (ISA_HAS_CLZ_CLO): Likewise.
        (ISA_HAS_DCLZ_DCLO): Delete.
        (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
        (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
        the VR4120 and VR4130.
        (ISA_HAS_MACCHI): Use consistent formatting.
        (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
        (ISA_HAS_ROR): ...this new macro.
        (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
        (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
        (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.

2006-10-29  Roger Sayle  <roger@eyesopen.com>

        PR tree-optimization/15458
        * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
        is a constant.

2006-10-29  Richard Guenther  <rguenther@suse.de>

        * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
        (ix86_expand_truncdf_32): Likewise.
        * config/i386/i386.c (ix86_expand_trunc): New function expanding
        trunc inline for SSE math and -fno-trapping-math and if not
        optimizing for size.
        (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
        * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
        for expanding btrunc inline for SSE math.

2006-10-29  Joseph Myers  <joseph@codesourcery.com>

        * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
        Handle tuning for bi-arch i[34567]86-*-linux* like that for
        i[34567]86-*-solaris2.1[0-9]*.
        * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
        Define conditionally depending on TARGET_64BIT_DEFAULT.
        (SPEC_32, SPEC_64): Define.
        (LINK_SPEC): Use them.
        * doc/install.texi (--enable-targets=all): Document for x86-linux.

2006-10-29  Richard Guenther  <rguenther@suse.de>

        * config/i386/i386-protos.h (ix86_expand_round): Declare.
        (ix86_expand_rounddf_32): Likewise.
        * config/i386/i386.c (ix86_expand_round): New function expanding
        round inline for SSE math and -fno-trapping-math and if not
        optimizing for size.
        (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
        * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
        round via ix86_expand_round.

2006-10-29  Richard Guenther  <rguenther@suse.de>

        * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
        (ix86_expand_floorceildf_32): Likewise.
        * config/i386/i386.c (ix86_expand_sse_compare_mask): New
        static helper function.
        (ix86_expand_floorceil): Expander for floor and ceil to SSE
        math.
        (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
        * config/i386/i386.md (floordf2): Adjust to enable floor
        expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
        -fno-trapping-math is enabled and if not optimizing for size.
        (floorsf2, ceildf2, ceilsf2): Likewise.
        * config/i386/sse.md (sse_maskcmpsf3): New insn.
        (sse2_maskcmpdf3): Likewise.

2006-10-29  Richard Guenther  <rguenther@suse.de>

        * builtins.c (expand_builtin_mathfn): Expand nearbyint as
        rint in case -fno-trapping-math is enabled.
        * config/i386/i386-protos.h (ix86_expand_rint): Declare.
        * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
        (ix86_expand_sse_fabs): Likewise.
        (ix86_expand_rint): New function expanding rint to x87 or SSE math.
        * config/i386/i386.md (rintdf2): Enable for SSE math if
        -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
        (rintsf2): Likewise.

2006-10-29  Richard Guenther  <rguenther@suse.de>

        * genopinit.c (optabs): Change lfloor_optab and lceil_optab
        to conversion optabs.
        * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
        as conversion optab.
        * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
        (enum convert_optab_index): Add COI_lfloor and COI_lceil.
        (lfloor_optab, lceil_optab): Adjust defines.
        * builtins.c (expand_builtin_int_roundingfn): Adjust for
        lfloor and lceil optabs now being conversion optabs.
        * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
        * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
        New static helper function.
        (ix86_expand_lfloorceil): New function to expand lfloor and
        lceil inline.
        * config/i386/i386.md (lfloor<mode>2): Split into ...
        (lfloorxf<mode>2): ... x87 variant
        (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
        using ix86_expand_lfloorceil.
        (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
        Likewise.
        * doc/md.texi (lfloorMN, lceilMN): Document.

2006-10-29  Richard Sandiford  <richard@codesourcery.com>

        * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE.  Test for the
        -mno-shared assembler option on mips targets.
        * configure, config.in: Regenerate.
        * config/mips/linux.h (NO_SHARED_SPECS): New macro.
        (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
        * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.

2006-10-29  Richard Sandiford  <richard@codesourcery.com>

        * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
        as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.

2006-10-29  Kazu Hirata  <kazu@codesourcery.com>

        * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
        config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
        comment typos.

2006-10-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        PR middle-end/29335
        * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
        (fold_builtin_pow): Evaluate constant arguments at compile-time
        using MPFR.
        (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
        (do_mpfr_ckconv): New helper function.
        (do_mpfr_arg1): Use do_mpfr_ckconv.
        (do_mpfr_arg2): New.

2006-10-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR tree-opt/29271
        * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
        (-fdump-rtl-sched): Rename to ..
        (-fdump-rtl-sched1): here.  Also fix file extension number.

2006-10-28  Richard Guenther  <rguenther@suse.de>

        * fold-const.c (maybe_canonicalize_comparison): Fix code
        to match comment.

2006-10-28  Uros Bizjak  <uros@kss-loka.si>

        * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
        (NON_QI_REG_P): Use IN_RANGE.
        (REX_INT_REGNO_P): Use IN_RANGE.
        (FP_REGNO_P): Use IN_RANGE.
        (SSE_REGNO_P): Use IN_RANGE.
        (REX_SSE_REGNO_P): Use IN_RANGE.
        (MMX_REGNO_P): Use IN_RANGE.
        (STACK_REGNO_P): New macro.
        (STACK_REG_P): Use STACK_REGNO_P.
        (NON_STACK_REG_P): Use STACK_REGNO_P.
        (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
        (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
        (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
        (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
        (HARD_REGNO_RENAME_OK): Use !IN_RANGE.

2006-10-28  Eric Botcazou  <ebotcazou@adacore.com>

        * except.h (output_function_exception_table): Add 'const char*' param.
        * except.c (switch_to_exception_section): Add 'const char*' param.
        If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
        and flag_function_sections is set, use a function-specific section.
        (output_function_exception_table): Add 'const char*' param.
        Adjust call to switch_to_exception_section.
        * final.c (rest_of_handle_final): Adjust calls to
        output_function_exception_table.
        * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
        * config.in: Regenerate.
        * configure: Likewise.

2006-10-28  Richard Guenther  <rguenther@suse.de>

        PR middle-end/26899
        * fold-const.c (maybe_canonicalize_comparison_1): Helper
        for maybe_canonicalize_comparison.
        (maybe_canonicalize_comparison): New function for canonicalizing
        comparison trees.
        (fold_comparison): Call it to canonicalize comparisons with
        constants involved.

2006-10-28  Richard Guenther  <rguenther@suse.de>

        PR target/28806
        * builtins.c (expand_builtin_int_roundingfn_2): Expand
        BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
        (expand_builtin): Adjust likewise.
        * genopinit.c (optabs[]): Add lround optab.
        * optabs.c (init_optabs): Initialize lround_optab.
        * optabs.h (enum convert_optab_index): Add COI_lround.
        (lround_optab): Define.
        * config/i386/i386-protos.h (ix86_expand_lround): Declare.
        * config/i386/i386.c (ix86_sse_copysign_to_positive): New
        static function.
        (ix86_expand_lround): New function.
        * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
        New expanders.
        * doc/md.texi (lroundMN2): Document.

2006-10-28 Uros Bizjak <uros@kss-loka.si>

        PR target/29377
        * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
        argument to HOST_WIDE_INT.  Update function prototype.
        (round_frame_size): Change return type to HOST_WIDE_INT.  Change
        "size" argument to HOST_WIDE_INT.  Update function prototype.

2006-10-28 Uros Bizjak <uros@kss-loka.si>

        * config/i386/i386.c (output_387_ffreep): Create output from a
        template string for !HAVE_AS_IX86_FFREEP.
        
2006-10-27  Eric Christopher  <echristo@apple.com>

        * config/darwin.c: Fix formatting and grammar.

2006-10-27  Jan Hubicka  <jh@suse.cz>

        * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
        to be thrown away soon when IGNORE is set.
        * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
        indicating when return value shall not be computed.
        * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.

2006-10-27  Vladimir Makarov  <vmakarov@redhat.com>

        * config/i386/i386.h (TARGET_GEODE):
        (TARGET_CPU_CPP_BUILTINS): Add code for geode.
        (TARGET_CPU_DEFAULT_geode): New macro.
        (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
        TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
        TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
        TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
        TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
        the macro values.
        (TARGET_CPU_DEFAULT_NAMES): Add geode.
        (processor_type): Add PROCESSOR_GEODE.

        * config/i386/i386.md: Include geode.md.
        (cpu): Add geode.

        * config/i386/i386.c (geode_cost): New initialized global
        variable.
        (m_GEODE, m_K6_GEODE): New macros.
        (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
        x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
        x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
        x86_schedule): Use m_K6_GEODE instead of m_K6.
        (x86_movx, x86_cmove): Set up m_GEODE.
        (x86_integer_DFmode_moves): Clear m_GEODE.
        (processor_target_table): Add entry for geode.
        (processor_alias_table): Ditto.

        * config/i386/geode.md: New file.

        * doc/invoke.texi: Add entry about geode processor.

2006-10-27  Mike Stump  <mrs@apple.com>

        * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
        __DYNAMIC__ from here back to ...
        * config/darwin.h (CPP_SPEC): ... here.

2006-10-26  Nathan Froyd  <froydnj@codesourcery.com>
            Nathan Sidwell  <nathan@codesourcery.com>

        * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
        when choosing the minimum heapsize.

2006-10-26  Nathan Froyd <froydnj@codesourcery.com>

        * gcc/unwind-dw2.h: Move cfa-related variables into
        struct frame_state_reg_info to ensure that the CFA is properly
        handled when executing DW_CFA_{remember,restore}_state.
        * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
        gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
        gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
        gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
        gcc/config/rs6000/linux-unwind.h,
        gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
        gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
        Modify to use new cfa_* fields.

2006-10-26  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (s390_init_frame_layout): Check positive
        frame_size.

2006-10-26  Ben Elliston  <bje@au.ibm.com>

        * gimplify.c (get_name): Remove extraneous break.
        (gimplify_omp_for): Initialise ret with GS_OK.

2006-10-25  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
        Add unix98.o to link line.

2006-10-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        PR middle-end/29335
        * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
        Calculate compile-time constants using MPFR.
        (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
        BUILT_IN_EXPM1 and BUILT_IN_LOG1P.

2006-10-25  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/lib2funcs.S: Use C-style comments.

2006-10-24  Nathan Froyd  <froydnj@codesourcery.com>

        * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
        (file_table_relative_p): Likewise.
        (dwarf2out_finish): Likewise.
        (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.

2006-10-25  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-structalias.c (intra_create_variable_infos):
          Don't recreate nonlocal_all if it already exists.

2006-10-25  Richard Guenther  <rguenther@suse.de>

        PR target/28803
        * optabs.h (enum optab_index): Remove OTI_lrint.
        (enum convert_optab_index): Add COI_lrint.
        (lrint_optab): Adjust.
        (expand_sfix_optab): Declare.
        * optabs.c (expand_sfix_optab): New function.
        (init_optabs): Init lrint_optab as conversion optab.
        * genopinit.c (lrint_optab): Change to a conversion optab.
        * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
        expansion via conversion optab.
        * config/i386/i386.md (*fistdi2_1): Remove
        flag_unsafe_math_optimizations guard.
        (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
        fist<mode>2_with_temp): Likewise.
        (lrint<mode>2): Split into...
        (lrintxf<mode>2): ... x87 part
        (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
        * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
        sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
        UNSPEC_FIX_NOTRUNC matching non-vector float modes.
        * doc/md.texi (lrintMN2): Document.

2006-10-25  Uros Bizjak  <uros@kss-loka.si>

        PR target/28909
        * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
        Use inc and dec instructions for TARGET_USE_INCDEC.
        ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
        ("sync_double_compare_and_swap<mode>"): Likewise.
        ("*sync_double_compare_and_swapdi_pic"): Likewise.
        ("*sync_compare_and_swap_cc<mode>"): Likewise.
        ("sync_double_compare_and_swap_cc<mode>"): Likewise.
        ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
        ("sync_old_add<mode>"): Likewise.
        ("sync_lock_test_and_set<mode>"): Likewise.
        ("sync_lock_test_and_set<mode>"): Likewise.
        ("sync_add<mode>"): Likewise.
        ("sync_sub<mode>"): Likewise.
        ("sync_ior<mode>"): Likewise.
        ("sync_and<mode>"): Likewise.
        ("sync_xor<mode>"): Likewise.

2006-10-25  Uros Bizjak  <uros@kss-loka.si>

        * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
        (remainder_optab): Define corresponding macro.
        (drem_optab): Remove.
        * optabs.c (init_optabs): Initialize remainder_optab.  Remove
        drem_optab initialization.
        * genopinit.c (optabs): Implement remainder_optab using
        remainder?f3 patterns.  Remove drem_optab.
        * builtins.c (expand_builtin_mathfn_2): Handle
        BUILT_IN_REMAINDER{,F,L} using remainder_optab.
        (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
        expand_builtin_mathfn_2.

        (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
        depend on flag_unsafe_math_optimizations.

        * config/i386/i386.md ("remaindersf3", "remainderdf3")
        ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
        Do not depend on flag_unsafe_math_optimizations.  Use
        truncxf?f expander instead of truncxf?f_i387_noop.

        ("fpremxf4", "fprem1xf4"): Do not depend on
        flag_unsafe_math_optimizations.
        ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
        flag_unsafe_math_optimizations.  Use truncxf?f expander
        instead of truncxf?f_i387_noop.

        * doc/md.texi (fmod, remainder): Document standard named pattern.

2006-10-24  Richard Sandiford  <richard@codesourcery.com>
            David Daney  <ddaney@avtrex.com>

        PR middle-end/29519
        * rtlanal.c (nonzero_address_p):  Remove check for values wrapping.

2006-10-25  Ben Elliston  <bje@au.ibm.com>

        * doc/extend.texi (Variable Attributes): Typo fix.

2006-10-24  Uros Bizjak  <uros@kss-loka.si>

        * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
        (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
        (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
        (FRAME_POINTER_REGNUM): Update register number to 21.
        (REG_CLASS_CONTENTS): Update contents for added fpcr register.
        (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.

        * config/i386/i386.c (regclass_map): Add fpcr entry.
        (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
        Add fpcr entry.
        (print_reg): Assert REGNO (x) != FPCR_REG.

        * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
        (DIRFLAG_REG): Renumber.
        (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
        (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
        (sse_prologue_save, *sse_prologue_save_insn): Renumber
        hardcoded SSE register numbers.

        * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
        hardcoded MMX register numbers.

2006-10-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        PR middle-end/29335
        * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
        (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
        Update all callers.
        (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
        (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
        BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
        BUILT_IN_TANH): Calculate compile-time arguments using MPFR.

2006-10-24  Richard Guenther  <rguenther@suse.de>

        PR middle-end/28796
        * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
        and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
        for deciding optimizations in consistency with fold-const.c
        (fold_builtin_unordered_cmp): Likewise.

2006-10-24  Richard Guenther  <rguenther@suse.de>

        * builtins.c (fold_builtin_floor): Fold floor (x) where
        x is nonnegative to trunc (x).
        (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
        nonnegative to FIX_TRUNC_EXPR.

2006-10-24  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/29567
        * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
        for TRUTH_NOT_EXPR.  Clarify comments.

2006-10-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        PR middle-end/29335
        * builtins.c (fold_builtin_exponent): Evaluate constant arguments
        at compile-time using MPFR.  Change parameter VALUE to FUNC,
        update all callers.
        (do_mpfr_arg1): Rename `exact' to `inexact'.  Carefully check
        for overflow and underflow at all times and avoid folding in
        those cases.

2006-10-24  Ben Elliston  <bje@au.ibm.com>

        * reload1.c: Formatting fixes.

2006-10-23  Zdenek Dvorak <dvorakz@suse.cz>

        PR tree-optimization/14784
        * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
        * tree-ssa-structalias.c (get_constraint_for,
        intra_create_variable_infos): Set is_heapvar.
        * tree-ssa-operands.c (access_can_touch_variable): Do not handle
        non-heapvar pointer variables specially.

2006-10-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        PR middle-end/29335
        * builtins.c (fold_builtin_sin, fold_builtin_cos,
        fold_builtin_tan): Fold all constant arguments.  Take a "type"
        argument as necessary.
        (do_mpfr_arg1): New.
        * real.c, real.h (real_from_mpfr, mpfr_from_real): New.

2006-10-23  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/lib1funcs.asm: Use C-style comments.

2006-10-23 Rafael Avila de Espindola  <rafael.espindola@gmail.com>

        * tree.c (local_define_builtin): Replace calls to
        lang_hooks.builtin_function with add_builtin_function.
        * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
        c_builtin_function.
        * c-tree.h (builtin_function): Rename to c_builtin_function. Change
        the signature.
        * c-decl.c (builtin_function): Rename to c_builtin_function. Move
        common code to add_builtin_function.
        * langhooks.c (add_builtin_function): New function.
        (lhd_builtin_function): New function.
        * langhooks.h (struct lang_hooks): Change the signature of
        builtin_function.
        (add_builtin_function): New function.
        * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
        calls to lang_hooks.builtin_function with add_builtin_function.
        * c-common.c (decl_builtin_1): Replace calls to
        lang_hooks.builtin_function with add_builtin_function.
        * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
        lang_hooks.builtin_function with add_builtin_function.
        * config/frv/frv.c (def_builtin): Replace calls to
        lang_hooks.builtin_function with add_builtin_function.
        * config/s390/s390.c (s390_init_builtins): Replace calls to
        lang_hooks.builtin_function with add_builtin_function.
        * config/sparc/sparc.c (def_builtin): Replace calls to
        lang_hooks.builtin_function with add_builtin_function.
        * config/i386/i386.c (def_builtin): Replace calls to
        lang_hooks.builtin_function with add_builtin_function.
        * config/sh/sh.c (sh_media_init_builtins): Replace calls to
        lang_hooks.builtin_function with add_builtin_function.
        * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
        lang_hooks.builtin_function with add_builtin_function.
        * config/stormy16/stormy16.c (xstormy16_init_builtins):
        Replace calls to lang_hooks.builtin_function with
        add_builtin_function.
        * config/iq2000/iq2000.c (def_builtin):
        Replace calls to lang_hooks.builtin_function with
        add_builtin_function.
        * config/ia64/ia64.c (def_builtin): Replace calls to
        lang_hooks.builtin_function with add_builtin_function.
        * config/rs6000/rs6000.c (def_builtin): Replace calls to
        lang_hooks.builtin_function with add_builtin_function.
        (altivec_init_builtins): Replace calls to
        lang_hooks.builtin_function with add_builtin_function.
        * config/arm/arm.c (def_mbuiltin): Replace calls to
        lang_hooks.builtin_function with add_builtin_function.
        (arm_init_tls_builtins): Replace calls to
        lang_hooks.builtin_function with add_builtin_function.
        * config/mips/mips.c (mips_init_builtins): Replace calls to
        lang_hooks.builtin_function with add_builtin_function.
        * config/bfin/bfin.c (def_builtin): Replace calls to
        lang_hooks.builtin_function with add_builtin_function.
        * langhooks-def.h (lhd_builtin_function): New function.
        (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.

2006-10-23  Jakub Jelinek  <jakub@redhat.com>

        * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
        BUILT_IN_STRNCAT_CHK.

2006-10-23  Jan Hubicka  <jh@suse.cz>

        * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
        don't do conversion from memmove to memcpy here.
        (expand_builtin_bcopy, expand_builtin): Update call of
        expand_builtin_memmove.
        (fold_builtin_memory_op): Do folding of memmove to memcpy here.

2006-10-23  Paul Brook  <paul@codesourcery.com>

        * stor-layout.c (start_record_layout): maximum_field_alignment
        overrides STRUCTURE_SIZE_BOUNDARY.

2006-10-23  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/predicates.md ("bras_sym_operand"): Do not accept
        nonlocal function symbols if flag_pic.

2006-10-23  Richard Guenther  <rguenther@suse.de>

        PR middle-end/27132
        PR middle-end/23295
        * builtins.c (fold_binary): Remove checks for flag_wrapv
        and flag_trapv where negate_expr_p covers these cases.

2006-10-23  Richard Guenther  <rguenther@suse.de>

        PR middle-end/29548
        * fold-const.c (fold_plusminus_mult_expr): Check exact power
        of two on the absolute value.
        (fold_binary): Fold x * -C to -x * C if x is easily negatable
        and negating -C does not overflow.

2006-10-23  Richard Guenther  <rguenther@suse.de>

        PR middle-end/21032
        * convert.c (convert_to_real): Fold (float)-x to -(float)x
        only if not flag_rounding_math.

2006-10-22  Richard Sandiford  <richard@codesourcery.com>
            Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/28232
        * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
        SImode memory reference for the source of a movua.
        * config/sh/sh.md (UNSPEC_MOVUA): New macro.
        (movua): Use an unspec instead of sign_extract.  Expect the source
        to have mode BLKmode.
        (extv, insv): Use a BLKmode rather than SImode memory reference
        for the source of a movua.

2006-10-22  Jeff Law  <law@redhat.com>
        Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/15911
        * tree-vrp.c (extract_code_and_val_from_cond): New function.
        (register_edge_assert_for_1): Likewise.
        (register_edge_assert_for): Handle &&/&/||/| in conditionals.
        (find_conditional_asserts): Adjust for new function signature.
        (find_assert_locations): Likewise.

2006-10-22  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/tmmintrin.h: Remove the duplicated content.

2006-10-22  H.J. Lu  <hongjiu.lu@intel.com>

        * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
        (x86_64-*-*): Likewise.

        * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
        (override_options): Check SSSE3.
        (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
        IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
        IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
        IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
        IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
        IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
        IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
        IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
        IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
        IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
        IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
        IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
        IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
        IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
        IX86_BUILTIN_PABSD128.
        (bdesc_2arg): Add SSSE3.
        (bdesc_1arg): Likewise.
        (ix86_init_mmx_sse_builtins): Support SSSE3.
        (ix86_expand_builtin): Likewise.
        * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.

        * config/i386/i386.md (UNSPEC_PSHUFB): New.
        (UNSPEC_PSIGN): Likewise.
        (UNSPEC_PALIGNR): Likewise.
        Include mmx.md before sse.md.

        * config/i386/i386.opt: Add -mssse3.

        * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
        (ssse3_phaddwv4hi3): Likewise.
        (ssse3_phadddv4si3): Likewise.
        (ssse3_phadddv2si3): Likewise.
        (ssse3_phaddswv8hi3): Likewise.
        (ssse3_phaddswv4hi3): Likewise.
        (ssse3_phsubwv8hi3): Likewise.
        (ssse3_phsubwv4hi3): Likewise.
        (ssse3_phsubdv4si3): Likewise.
        (ssse3_phsubdv2si3): Likewise.
        (ssse3_phsubswv8hi3): Likewise.
        (ssse3_phsubswv4hi3): Likewise.
        (ssse3_pmaddubswv8hi3): Likewise.
        (ssse3_pmaddubswv4hi3): Likewise.
        (ssse3_pmulhrswv8hi3): Likewise.
        (ssse3_pmulhrswv4hi3): Likewise.
        (ssse3_pshufbv16qi3): Likewise.
        (ssse3_pshufbv8qi3): Likewise.
        (ssse3_psign<mode>3): Likewise.
        (ssse3_psign<mode>3): Likewise.
        (ssse3_palignrti): Likewise.
        (ssse3_palignrdi): Likewise.
        (abs<mode>2): Likewise.
        (abs<mode>2): Likewise.

        * config/i386/tmmintrin.h: New file.

        * doc/extend.texi: Document SSSE3 built-in functions.

        * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.

2006-10-22  Ira Rosen  <irar@il.ibm.com>

        * tree-vect-transform.c (vectorizable_load): Use the type of the
        return value of the mask_for_load builtin to create realign_load
        stmt.

2006-10-22  Richard Sandiford  <richard@codesourcery.com>

        * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
        expressions.

2006-10-21  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
        (UNSPEC_LDDQU): This.
        * config/i386/sse.md (sse3_lddqu): Updated.

2006-10-21  Richard Guenther  <rguenther@suse.de>

        * builtins.c (expand_builtin_int_roundingfn_2): New function.
        (expand_builtin): Use it to expand lrint instead of
        expand_builtin_mathfn.

2006-10-21  Uros Bizjak  <uros@kss-loka.si>

        PR middle-end/28252
        * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
        flag_unsafe_math_optimizations is set.

2006-10-21  Uros Bizjak  <uros@kss-loka.si>

        PR target/19398
        * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
        patterns to use memory input operand in x87->mem->XMM
        reload sequences.  Skip transformation for TARGET_K8.

2006-10-21  Uros Bizjak  <uros@kss-loka.si>

        * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
        force operand1 to register if both operands are memory operands.
        (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
        (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
        if both operands are memory operands.
        (truncdfsf2): Do not force operand1 to register if both operands
        are memory operands.

2006-10-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * Makefile.in (LIBS): Add $(GMPLIBS).
        * doc/install.texi: Update GMP and MPFR requirements.
        * doc/sourcebuild.texi (need_gmp): Delete.

2006-10-21  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/3511
        * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
        got new invariant arguments during PHI translation.

2006-10-21  Richard Guenther  <rguenther@suse.de>

        PR middle-end/26898
        * fold-const.c (fold_comparison): Fold signed comparisons
        of the form X +- C1 CMP Y +- C2.

2006-10-21  Richard Guenther  <rguenther@suse.de>

        PR target/19116
        * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
        if flag_unsafe_math_optimizations is specified.  We have
        flag_finite_math_only for that.
        * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
        or flag_unsafe_math_optimizations.

2006-10-21  Richard Guenther  <rguenther@suse.de>

        * builtins.c (fold_builtin_classify): Fix typo.

2006-10-21  Richard Guenther  <rguenther@suse.de>

        PR middle-end/28796
        * simplify-rtx.c (simplify_const_relational_operation):
        Do not constant-fold ORDERED and UNORDERED for
        flag_unsafe_math_optimizations but only we do not need to
        honor NaNs for the given mode.

2006-10-21  Richard Guenther  <rguenther@suse.de>

        PR target/29512
        * config/i386/i386.c (classify_argument): Remove redundant
        walking of the BINFOs.
        (contains_128bit_aligned_vector_p): Likewise.

2006-10-20  Mark Mitchell  <mark@codesourcery.com>

        * BASE-VER: Set to 4.3.0.

2006-10-20  Daniel Berlin  <dberlin@dberlin.org>

        * tree.h (DECL_PTA_ARTIFICIAL): Remove.
        (tree_decl_with_vis): Remove artificial_pta_var flag.
        * tree-flow.h (referenced_var_check_and_insert): Expose.
        (nonlocal_all): New prototype.
        * tree-ssa-structalias.c (nonlocal_for_type): Remove.
        (nonlocal_all): Make global.
        (nonlocal_lookup): Remove.
        (nonlocal_insert): Ditto.
        (create_nonlocal_var): Do not call nonlocal_insert.
        (get_nonlocal_id_for_type): Remove.
        (find_global_initializers): Mark new vars we find for renaming.
        (intra_create_variable_infos): Only create one nonlocal.
        (expand_nonlocal_solutions): Remove.
        (compute_points_to_sets): Don't call it.
        (ipa_pta_execute): Ditto.
        (init_alias_heapvars): Don't create nonlocal_for_type.
        (delete_alias_heapvars): Don't remove it.
        * tree-ssa-operands.c (access_can_touch_variable): Don't prune
        nonlocal_all.

2006-10-19  Brooks Moses  <bmoses@stanford.edu>

        * doc/install.texi (Downloading GCC): Clarify mention of
        Fortran in the "full distribution" description.

2006-10-19  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/28778
        Fix PR tree-optimization/29156
        Fix PR tree-optimization/29415
        * tree.h (DECL_PTA_ARTIFICIAL): New macro.
        (tree_decl_with_vis): Add artificial_pta_var flag.
        * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
        pushed into callers.
        * tree-ssa-structalias.c (nonlocal_for_type): New variable.
        (nonlocal_all): Ditto.
        (struct variable_info): Add directly_dereferenced member.
        (var_escaped_vars): New variable.
        (escaped_vars_tree): Ditto.
        (escaped_vars_id): Ditto.
        (nonlocal_vars_id): Ditto.
        (new_var_info): Set directly_dereferenced.
        (graph_size): New variable
        (build_constraint_graph): Use graph_size.
        (solve_graph): Don't process constraints that cannot change the
        solution, don't try to propagate an empty solution to our
        successors.
        (process_constraint): Set directly_dereferenced.
        (could_have_pointers): New function.
        (get_constraint_for_component_ref): Don't process STRING_CST.
        (nonlocal_lookup): New function.
        (nonlocal_insert): Ditto.
        (create_nonlocal_var): Ditto.
        (get_nonlocal_id_for_type): Ditto.
        (get_constraint_for): Allow results vector to be empty in the case
        of string constants.
        Handle results of calls properly.
        (update_alias_info): Update alias info stats on number and type of
        calls.
        (find_func_aliases): Use could_have_pointers.
        (make_constraint_from_escaped): Renamed from
        make_constraint_to_anything, and changed to make constraints from
        escape variable.
        (make_constraint_to_escaped): New function.
        (find_global_initializers): Ditto.
        (create_variable_info_for): Make constraint from escaped to any
        global variable, and from any global variable to the set of
        escaped vars.
        (intra_create_variable_infos): Deal with escaped instead of
        pointing to anything.
        (set_uids_in_ptset): Do type pruning on directly dereferenced
        variables.
        (find_what_p_points_to): Adjust call to set_uids_with_ptset.
        (init_base_vars): Fix comment, and initialize escaped_vars.
        (need_to_solve): Removed.
        (find_escape_constraints): New function.
        (expand_nonlocal_solutions): Ditto.
        (compute_points_to_sets): Call find_escape_constraints and
        expand_nonlocal_solutions.
        (delete_points_to_sets): Don't fall off the end of the graph.
        (init_alias_heapvars): Initialize nonlocal_for_type and
        nonlocal_all.
        (delete_alias_heapvars): Free nonlocal_for_type and null out
        nonlocal_all.

2006-10-19  Eric Botcazou  <ebotcazou@adacore.com>

        * fold-const.c (add_double): Rename to add_double_with_sign.
        Add 'unsigned_p' parameter and take it into account for the overflow.
        (mul_double): Rename to mul_double_with_sign.
        Add 'unsigned_p' parameter and take it into account for the overflow.
        (fold_div_compare): Call add_double_with_sign instead of add_double
        and mul_double_with_sign instead of mul_double, passing them the
        unsignedness of the type.
        * tree.h (add_double): Macroize.
        (add_double_with_sign): New prototype.
        (mul_double): Macroize.
        (mul_double_with_sign): New prototype.

2006-10-19  Chen Liqin  <liqin@sunnorth.com.cn>

        * config/score/crti.asm: New file.
        * config/score/crtn.asm: New file.
        * config/score/elf.h: New file.
        * config/score/mac.md: New file.
        * config/score/misc.md: New file.
        * config/score/mul-div.S: New file.
        * config/score/predicates.md: New file.
        * config/score/score7.md: New file.
        * config/score/score.c: New file.
        * config/score/score-conv.h: New file.
        * config/score/score.h: New file.
        * config/score/score.md: New file.
        * config/score/score-mdaux.c: New file.
        * config/score/score-mdaux.h: New file.
        * config/score/score-modes.def: New file.
        * config/score/score.opt: New file.
        * config/score/score-protos.h: New file.
        * config/score/score-version.h: New file.
        * config/score/t-score-elf: New file.
        * config.gcc: Add score*-*-* configurations(Update before).
        * doc/invoke.texi (Score Options): New section.
        * doc/md.texi (Score family): New section to document constraints.

2006-10-19  Nick Clifton  <nickc@redhat.com>

        * config/arm/arm.c: Fix spelling typo.

2006-10-18  Tom Tromey  <tromey@redhat.com>

        * doc/install.texi (Prerequisites): Mention automake 1.9.6.

2006-10-18  Jan Hubicka  <jh@suse.cz>

        PR middle-end/29299
        * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
        are used.

2006-10-18  Marcin Dalecki  <martin@dalecki.de>

        * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
        TSI_SAME_STMT, since that's the desired entity.

2006-10-17  Wolfgang Gellerich  <gellerich@de.ibm.com>

        * config/s390/contraints.md: New file.
        * config/s390/s390-protos.h (s390_mem_constraint,
        s390_O_constraint_str, s390_N_constraint_str,
        s390_float_const_zero_p): Function prototypes added.
        * config/s390/s390.c (s390_extra_constraint_str,
        s390_const_double_ok_for_constraint_p,
        s390_const_ok_for_constraint_p): Functions removed.
        (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
        s390_float_const_zero_p): New functions.
        * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
        CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
        EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
        Macro definitions removed.
        (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
        s390_extra_constraint_str): Functions removed.

2006-10-17  Andrew Pinsiki  <pinskia@gmail.com>
            Richard Sandiford  <richard@codesourcery.com>

        PR target/29413
        * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
        * config/mips/mips.h (CC1_SPEC): Override any earlier definition.

2006-10-16  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
        (DWARF2_FRAME_REG_OUT): Likewise.
        * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
        (DWARF2_FRAME_REG_OUT): Likewise.

2006-10-17  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.

2006-10-16  Brooks Moses  <bmoses@stanford.edu>

        * doc/contrib.texi, doc/install.texi, doc/standards.texi:
        Standardize on "GNU Fortran" as the official name of the Fortran
        compiler.

2006-10-16  Mike Stump  <mrs@apple.com>

        * doc/invoke.texi (Darwin Options): Document -mkernel.
        * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
        -mkernel support.
        (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support.  Add
        SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
        (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
        (OS_MISSING_ALTIVEC): Add.
        * config/i386/i386.c (override_options): Add
        SUBSUBTARGET_OVERRIDE_OPTIONS callout.
        * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
        -mkernel, -static or -mdynamic-no-pic is given.
        (C_COMMON_OVERRIDE_OPTIONS): Add.
        * config/darwin.opt (fapple-kext): Add.
        (mkernel): Add.
        * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
        -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
        -mkernel support.
        (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
        (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
        (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
        (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
        (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
        (flag_mkernel): Add.
        (flag_apple_kext): Add.
        (TARGET_KEXTABI): Add.
        * config/darwin.c (darwin_handle_kext_attribute): Add.
        (DARWIN_VTABLE_P): Add.
        (darwin_binds_local_p): Add partial support for rebinding vtables
        in kexts.
        (darwin_kextabi_p): Add.
        (darwin_override_options): Add.
        * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
        (darwin_kextabi_p): Add.
        (darwin_override_options): Add.
        * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
        __DYNAMIC__ and __STATIC__ here.

2006-10-16  Brooks Moses  <bmoses@stanford.edu>

        * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
        Added mention of "make pdf" target, and Texinfo requirements for
        same.

2006-10-16  DJ Delorie  <dj@redhat.com>

        * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
        into the GOT in case we need a subreg of the address.

2006-10-16  Richard Guenther  <rguenther@suse.de>

        PR target/25519
        * doc/extend.texi (X86 Built-in Functions): Fix typos in
        SSE builtin documentation.  Document SSE2 builtins.

2006-10-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
        symbol in the output file for non-shared links when -nostdlib or
        -nodefaultlibs isn't specified.

        * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
        posix thread support.

2006-10-15  Jan Hubicka  <jh@suse.cz>

        PR middle-end/29241
        * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
        declared always_inline even when not inlining.

2006-10-15  Eric Botcazou  <ebotcazou@libertysurf.fr>
            John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
            Andrew Pinski  <pinskia@gmail.com>

        PR middle-end/29111
        * builtins.c (get_pointer_alignment): Return 0 if TER is not run.

2006-10-15  Jan Hubicka  <jh@suse.cz>
            Richard Guenther  <rguenther@suse.de>

        PR middle-end/29299
        * cgraphunit.c (cgraph_finalize_compilation_unit): Call
        process_function_and_variable_attributes on all variables, including
        those discovered during cgraph construction phase.

2006-10-15  Bernhard Fischer  <aldot@gcc.gnu.org>

        * final.c: Update Copyright year. Commentary typo fix. Fix whitespace

2006-10-14  Uros Bizjak  <uros@kss-loka.si>

        * config/i386/athlon.md (athlon_fist): Add fisttp.

2006-10-13  David Edelsohn  <edelsohn@gnu.org>
            Ian Lance Taylor  <ian@airs.com>

        PR middle-end/29250
        * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
        CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
        recursing.

2006-10-14  Kazu Hirata  <kazu@codesourcery.com>

        * config/score/score.c, config/score/score.h: Fix comment
        typos.

2006-10-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        PR bootstrap/29402
        * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
        shell pipeline.

2006-10-13  Eric Christopher  <echristo@apple.com>

        * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.

2006-10-13  Carlos O'Donell  <carlos@codesourcery.com>

        Revert this change:
        2006-10-13  Carlos O'Donell  <carlos@codesourcery.com>
        * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
        alignment supported by 32-bit ELF.

2006-10-13  Eric Christopher  <echristo@apple.com>

        * config/darwin.c (darwin_emit_unwind_label): Strip
        name encoding. Use DECL_ASSEMBLER_NAME_SET_P.

2006-10-13  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/29446
        * tree-vrp.c (fix_equivalence_set): Remove.
        (extract_range_from_assert): Do not call fix_equivalence_set.
        (debug_value_range): Print a newline.
        (compare_name_with_value): For equivalence sets with
        inconsistent value ranges conservatively bail out.
        (compare_names): Likewise.

2006-10-13  David Edelsohn  <edelsohn@gnu.org>

        * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
        and MPFR for gfortran.

2006-10-13  Carlos O'Donell  <carlos@codesourcery.com>

        * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
        alignment supported by 32-bit ELF.

2006-10-13  Paolo Bonzini  <bonzini@gnu.org>

        PR c/29092

        * c-typeck.c (digest_init): Always allow initializing vectors
        that have static storage duration with compound literals.
        * tree.c (build_type_attribute_qual_variant): New, based on
        build_type_attribute_variant.
        (build_type_attribute_variant): Rewrite using the former.
        (make_vector_type): Use build_type_attribute_qual_variant to build
        type variants.  Use type_hash_canon on the others.

2006-10-13  Daniel Berlin <dberlin@dberlin.org>
            Ramana Radhakrishnan  <ramana.radhakrishnan@celunite.com>

        * tree-flow-inline.h (zero_ssa_operands): Fix comment.

2006-10-12  Jan Hubicka  <jh@suse.cz>

        PR c/28419
        * c-decl.c (c_make_fname_decl): Do not segfault in case where
        current_function_decl is set but current_function_scope is not.

2006-10-12  Jie Zhang  <jie.zhang@analog.com>

        * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
        emit_insn to emit eh_return_internal instruction.
        (eh_return_internal): Explicitly set pc.

2006-10-11  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/28230
        * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
        to the correct place.

2006-10-11  Richard Guenther  <rguenther@suse.de>

        PR inline-asm/29119
        * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
        addressable.

2006-10-10  Brooks Moses  <bmoses@stanford.edu>

        * configure.ac: Added pdf to "Make-hooks"
        * Makefile.in: Added TEXI2PDF definition, and various pdf-file
        targets and *.pdf file patterns in cleanup targets.
        * configure: Regenerated.

2006-10-10  Anatoly Sokolov <aesok@post.ru>

        * config/avr/predicates.md: New file.
        * config/avr/avr.md: Include it.
        (REG_SP): New constant.
        (peepholes): Use predicates.
        (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
        difficult_branch,  difficult_rvbranch, cbi, sbi, sbix_branch,
        sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.

2006-10-10  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
        avoid alias set 0.

2006-10-10  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/29272
        * builtins.c (var_decl_component_p): New function.
        (fold_builtin_memset, fold_builtin_memory_op): Restrict
        single entry optimization to variables and components thereof.

2006-10-10  Richard Guenther  <rguenther@suse.de>

        PR rtl-optimization/29323
        * except.c (set_nothrow_function_flags): For functions
        that do not bind local bail out early.

2006-10-10  Ben Elliston  <bje@au.ibm.com>

        * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
        -mdlmzb option.

2006-10-09  Richard Henderson  <rth@redhat.com>

        Revert emutls patch.

2006-10-09  Richard Guenther  <rguenther@suse.de>

        PR middle-end/29254
        * cgraphunit.c (verify_cgraph_node): Bail out on earlier
        errors.

2006-10-09  Steve Ellcey  <sje@cup.hp.com>

        PR target/27880
        * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
        * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
        * configure: Regenerate.
        * config.in: Regenerate.

2006-10-09  Aldy Hernandez  <aldyh@redhat.com>

        * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.

2006-10-08  Richard Sandiford  <richard@codesourcery.com>

        * config/mips/mips.c (mips_legitimize_tls_address): Implement
        all TLS models in the same way as local exec if !TARGET_ABICALLS.
        Remove stray newline.

2006-10-08  Richard Sandiford  <richard@codesourcery.com>

        * config/mips/mips.c (mips_classify_symbol): Do not return
        SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
        (mips_in_small_data_p): Tweak comments.

2006-10-08  Richard Sandiford  <richard@codesourcery.com>

        * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.

2006-10-07  Kazu Hirata  <kazu@codesourcery.com>

        * gimplify.c, sched-int.h: Fix comment typos.

        * sched-int.h: Fix comment typos.

2006-10-06  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>

        * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
        New macros.
        * sched-ebb.c (begin_schedule_ready): Use them.
        * haifa-sched.c (schedule_insn, move_insn, try_ready,
        add_to_speculative_block, create_check_block_twin, speculate_insn,
        fix_jump_move, move_block_after_check): Ditto.
        * sched-rgn.c (new_ready): Ditto.

2006-10-06  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>

        PR rtl-optimization/29128
        * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
        * sched-ebb.c (advance_target_bb): Use it to fix condition to
        allow interblock movement of speculation checks.

2006-10-06  Zdenek Dvorak <dvorakz@suse.cz>

        PR middle-end/29256
        * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
        casted to integer type.
        (get_address_cost): Decrease cost of [symbol + index] addressing modes
        if they are significantly more expensive than [reg + index] ones.

2006-10-06  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/29330
        * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
        (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
        on newly allocated ddrs.
        (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
        to VEC (loop_p, heap) pointer.
        (compute_data_dependences_for_loop): Adjust caller.
        (free_dependence_relations): Free DDR_LOOP_NEST.

        * tree-loop-linear.c (linear_transform_loops): Don't forget to
        free DEPENDENCE_RELATIONS and DATAREFS.

        PR target/28924
        * builtins.c (expand_builtin_sync_operation,
        expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
        Use convert_to_mode to handle promoted arguments.

2006-10-06  J"orn Rennecke  <joern.rennecke@st.com>

        * print-tree.c (print_node_brief, print_node): Print sign of Inf.

2006-10-06  J"orn Rennecke  <joern.rennecke@st.com>

        * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.

2006-10-05  Uros Bizjak  <uros@kss-loka.si>

        * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
        "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
        Use <modeconstraint> instead of "r" as operand 1 constraint.

2006-10-06  Olivier Hainque  <hainque@adacore.com>

        * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
        Don't recurse on the pointed-to type.
        * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
        DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
        types with components of variable size.

2006-10-06  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.

2006-10-06  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/29290
        * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
        multiple exits.

        PR target/29198
        * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
        * config/i386/predicates.md (local_symbolic_operand): Likewise.

        PR c/29091
        * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
        the number of vector elements fill the rest with zeros.

2006-10-05  Richard Sandiford  <richard@codesourcery.com>

        * config/mips/mips.c (mips_pass_by_reference): Do not return false
        for EABI if type is NULL.  Use a size check based on GET_MODE_SIZE
        instead.

2006-10-05  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.md (subsi3): Lose expander, change previously
        unnamed pattern into subsi3.  Use correct constraints/predicates.
        * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
        * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.

2006-10-05  Ira Rosen  <irar@il.ibm.com>

        * doc/loop.texi: Add data references analysis description.

2006-10-04  Brooks Moses  <bmoses@stanford.edu>

        * doc/gcov.texi: Add formatting to "Invoking gcov" section head.

2006-10-04  Richard Henderson  <rth@redhat.com>
            Jakub Jelinek  <jakub@redhat.com>

        * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
        * builtin-types.def (BT_WORD): Make unsigned.
        (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
        * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
        (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
        * c-decl.c (grokdeclarator): Don't error if !have_tls.
        * c-parser.c (c_parser_omp_threadprivate): Likewise.
        * cgraph.c (decide_is_variable_needed): Look at force_output.
        Recurse for emulated tls.
        * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
        checks redundant with decide_is_variable_needed.
        (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
        * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
        emulated tls.
        * expr.c (emutls_var_address): New.
        (expand_expr_real_1): Expand emulated tls.
        (expand_expr_addr_expr_1): Likewise.
        * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
        * output.h (emutls_finish): Declare.
        * toplev.c (compile_file): Call it.
        * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
        address before wrapping in CONST.
        * varasm.c (emutls_htab, emutls_object_type): New.
        (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
        (get_emutls_object_name, get_emutls_object_type): New.
        (get_emutls_init_templ_addr, emutls_decl): New.
        (emutls_common_1, emutls_finish): New.
        (assemble_variable): When emulating tls, swap decls; generate
        constructor for the emutls objects.
        (do_assemble_alias): When emulating tls, swap decl and target name.
        (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
        for emulated tls.
        * emutls.c: New file.
        * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
        tls_object for real tls.

2006-10-04  Zack Weinberg  <zackw@panix.com>

        Fix bug in constraint-check generator, reported by Rask Ingemann
        Lambertsen:
        * genpreds.c (add_constraint): Don't remove anything from the
        expression here.
        (write_tm_constrs_h): Detect whether "op" argument is used, and
        mark it ARG_UNUSED if it isn't.
        (write_insn_const_int_ok_for_constraint): Skip the part of the
        expression that would test whether "op" (which is not available
        here) is a CONST_INT.

2006-10-04  Ryan Mansfield  <rmansfield@qnx.com>

        PR c++/28448
        * doc/invoke.texi (fdiagnostics-show-option): Fix typos.

2006-10-03  Geoffrey Keating  <geoffk@apple.com>

        * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
        current Leopard versions.
        * config/rs6000/darwin-libgcc.10.5.ver: Likewise.

2006-10-03  Kazu Hirata  <kazu@codesourcery.com>

        * doc/install.texi: Fix typos.

2006-10-03  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
        * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
        * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.

2006-10-02  Jack Howarth  <howarth@bromo.med.uc.edu>

        * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
        arg to be struct mach_header_64* instead.

2006-10-02  Jakub Jelinek  <jakub@redhat.com>

        PR c/29154
        * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
        side effects after the outer expression's post side effects.

2006-10-01  Sandra Loosemore  <sandra@codesourcery.com>

        * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET):  Fix
        comments to reflect actual behavior and relationship between
        DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.

        * doc/c-tree.texi (Working with declarations): Fix documentation
        of FIELD_DECL likewise.

2006-10-01  Ryan Mansfield  <rmansfield@qnx.com>

        PR c/20533
        * doc/extend.texi: Add used variable attribute description.

2006-09-30  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/24010
        * c.opt (Woverride-init): New.
        * c-opts.c (c_common_post_options): Default warn_override_init to
        extra_warnings.
        * c-typeck.c (add_pending_init, output_init_element): Warn for
        overriding initializers without side effects.
        * doc/invoke.texi (-Woverride-init): Document.
        (-Wextra): Update.

2006-09-30  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR rtl-optimization/28096
        * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
        assignment has already been used as a destination earlier in the block.

2006-09-29  Eric Botcazou  <ebotcazou@adacore.com>

        * builtins.c (expand_builtin_setjmp): Delete.
        (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
        <BUILT_IN_SETJMP_SETUP>: New case.
        <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
        <BUILT_IN_SETJMP_RECEIVER>: Likewise.
        * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
        (BUILT_IN_SETJMP_DISPATCHER): Likewise.
        (BUILT_IN_SETJMP_RECEIVER): Likewise.
        * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
        (lower_function_body): Initialize it to false.  If it is set to true
        at the end of the processing, emit the setjmp dispatcher.
        (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
        is __builtin_setjmp and set calls_builtin_setjmp to true as well.
        <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
        on the rhs of the assignment.
        (lower_builtin_setjmp): New function.
        * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
        BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
        * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
        to detect calls that can go to non-local labels.  Use specific
        helper to create the abnormal edges associated with them.
        <MODIFY_EXPR>: Likewise.
        (make_abnormal_goto_edges): New function extracted from...
        (make_goto_expr_edges): ...here.  Call it for computed gotos.
        (simple_goto_p): Minor tweak.
        (tree_can_make_abnormal_goto): New predicate.
        (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
        (tree_purge_dead_abnormal_call_edges): New function.
        * tree-flow.h (tree_can_make_abnormal_goto): Declare.
        (tree_purge_dead_abnormal_call_edges): Likewise.
        (make_abnormal_goto_edges): Likewise.
        * tree-inline.c (expand_call_inline): Simplify statement frobbing.
        Purge all dead abnormal edges if the call was in the last statement.
        * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
        (execute_fixup_cfg): If there are non-local labels in the function,
        scan the basic blocks and split them at calls that can go to non-local
        labels or add missing abnormal call edges.  Write down the CFG in the
        dump file.
        (pass_fixup_cfg): Remove TODO_dump_func flag.
        * unwind-sjlj.c: Poison setjmp.
        * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
        * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
        (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
        (DONT_USE_BUILTIN_SETJMP): Document it.

2006-09-28  Geoffrey Keating  <geoffk@apple.com>

        PR target/28617
        * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
        to 1 when __ppc64__ is defined.
        * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
        darwin-64.c.
        * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.

2006-09-28  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
        * config/ia64/unwind-hpux.c: Delete.

2006-09-28  Eric Botcazou  <ebotcazou@adacore.com>

        * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
        on the element before gimplifying it, instead of punting if it is of
        variable size.

2006-09-28  Zdenek Dvorak <dvorakz@suse.cz>

        * doc/loop.texi: New file.
        * doc/gccint.texi: Reference loop.texi.
        * Makefile.in (loop.texi): Add.

2006-09-27  Geoffrey Keating  <geoffk@apple.com>

        * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
        __sysctl.
        * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
        * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.

2006-09-28  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.md (divsi_inv_m0): Remove unused variable.

2006-09-27  Steven G. Kargl  <kargl@gcc.gnu.org>

        * doc/install.texi: Document required versions of GMP and MPFR.

2006-09-27  Paul Brook  <paul@codesourcery.com>

        PR target/29230
        * config/arm/arm.md (arith_adjacentmem): Handle large offsets.

2006-09-27  Richard Sandiford  <richard@codesourcery.com>

        * reload1.c (alter_reg): Require the alignment of the stack slot to
        be at least reg_max_ref_width bytes.
        (scan_paradoxical_subregs): Record the largest width in
        reg_max_ref_width.

2006-09-26  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/25261
        PR middle-end/28790
        * tree-nested.c (struct nesting_info): Added static_chain_added.
        (convert_call_expr): Set static_chain_added when adding static
        chain.  Handle OMP_PARALLEL and OMP_SECTION.

2006-09-25  Matthias Klose  <doko@debian.org>

        * doc/invoke.texi: Add missing full stop.

2006-09-25  Richard Henderson  <rth@redhat.com>

        * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
        before cgraph_function_flags_ready.

2006-09-24  Zdenek Dvorak <dvorakz@suse.cz>
            Adam Nemet  <anemet@caviumnetworks.com>

        * tree-ssa-loop-ivopts.c (aff_combination_convert,
        determine_common_wider_type): New functions.
        (get_computation_aff): Use them to simplify arithmetic between
        UBASE and CBASE if they are shortened from the same type.

2006-09-24  Kazu Hirata  <kazu@codesourcery.com>

        PR target/28911
        * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
        -2147483647 - 1 instead of 0x80000000.

2006-09-23  Revital1 Eres  <ERES@il.ibm.com>

        * flags.h (HONOR_NANS): Fix typo in comment.

2006-09-23  Uros Bizjak <uros@kss-loka.si>

        * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.

2006-09-23  Jakub Jelinek  <jakub@redhat.com>

        PR c/28706
        PR c/28712
        * tree.c (merge_attributes, attribute_list_contained): If both
        TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
        simple_cst_equal.
        * c-typeck.c (comptypes_internal): Don't consider aggregates
        in different TUs as compatible if there one set of attributes is
        not a subset of the other type's attributes.
        (composite_type): Try harder not to create a new aggregate type.

2006-09-22  Geoffrey Keating  <geoffk@apple.com>

        * config/i386/driver-i386.c: Always define host_detect_local_cpu.
        * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
        or x86_64 host.  Define HAVE_LOCAL_CPU_DETECT.
        (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
        than replicating condition above.
        * config.host (i[34567]86-*-*): Always use driver-i386.o.

        * config/darwin.h (LINK_SYSROOT_SPEC): New.
        (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
        the linker by default.

2006-09-22  Mike Stump  <mrs@apple.com>

        * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
        code.

2006-09-22  Richard Guenther  <rguenther@suse.de>

        PR middle-end/28964
        * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
        sort of stack variables stable.

2006-09-22  Peter Bergner <bergner@vnet.ibm.com>

        PR middle-end/28690
        * explow.c (force_reg): Set REG_POINTER flag according to
        MEM_POINTER flag.

2006-09-22  Zdenek Dvorak <dvorakz@suse.cz>

        PR tree-optimization/28888
        * tree-if-conv.c (combine_blocks): Rewritten.
        * tree-cfg.c (tree_verify_flow_info): Check that edges with
        EDGE_TRUE/FALSE_VALUE follow COND_EXPR.

2006-09-22  Jakub Jelinek  <jakub@redhat.com>

        * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
        needed.

2006-09-21  Richard Sandiford  <richard@codesourcery.com>

        * varasm.c (copy_constant): Fix reversed gcc_assert check.

2006-09-21  Janis Johnson  <janis187@us.ibm.com>

        * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.

2006-09-21  Roger Sayle  <roger@eyesopen.com>

        PR debug/29132
        * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
        dw_fde_current_label, to be the start of the function, i.e. the same
        value as dw_fde_begin.

2006-09-20  Richard Sandiford  <richard@codesourcery.com>

        * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
        * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
        (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
        (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
        (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
        (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
        (abs<mode>2, neg<mode>2): Likewise.
        * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
        (*mips_abs_ps): New define_insn.

2006-09-20  Josh Conner  <jconner@apple.com>

        PR middle-end/25505
        * calls.c (expand_call): Allow reuse of structure return stack
        temp.

2006-09-20  Paul Brook  <paul@codesourcery.com>

        * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
        positive offsets.

2006-09-20  Janis Johnson  <janis187@us.ibm.com>

        * doc/extend.texi (Decimal Float): Update for latest draft TR,
        clean up terminology.

2006-09-20  Steve Ellcey  <sje@cup.hp.com>

        PR target/28574
        * ifcvt.c (dead_or_predicable): Don't predicate then blocks
        with tablejumps in them.

2006-09-20  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/28046
        * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
        wrap it into TARGET_EXPR.

2006-09-20  Eric Christopher  <echristo@apple.com>

        * config/i386/i386.c (x86_fisttp): Remove.
        * config/i386/i386.h (x86_fisttp): Ditto.
        (TARGET_FISTTP): Ditto.

2006-09-19  Eric Christopher  <echristo@apple.com>

        * doc/tm.texi (OBJC_JBLEN): Describe.
        * config/i386/darwin.h (OBJC_JBLEN): Define.
        * config/rs6000/darwin.h: Ditto.

2006-09-19  Steven Bosscher  <steven@gcc.gnu.org>

        PR rtl-optimization/21299
        * reload1.c (reload): Purge invalid ASMs in the final pass.

2006-09-19  Steve Ellcey  <sje@cup.hp.com>

        PR  28490
        * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
        pointers as legitimate constants.

2006-09-19  Paul Brook  <paul@codesourcery.com>

        PR target/28516
        * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.

2006-09-17  Zdenek Dvorak <dvorakz@suse.cz>

        PR tree-optimization/28887
        * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
        component parts from the reference.
        (gather_memory_references_ref): Record the reference without the
        nonaddressable component parts.

2006-09-17  Steven Bosscher  <steven@gcc.gnu.org>

        PR c/25993
        * c-opts.c (c_common_handle_option): Ignore the -std options
        if the input language is assembly.

2006-09-17  Ira Rosen  <irar@il.ibm.com>

        PR tree-opt/21591
        * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
        tag first.
        (ptr_ptr_may_alias_p): Likewise.
        (record_record_differ_p): New function.
        (base_object_differ_p): Call record_record_differ_p.

2006-09-16  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/29059
        * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
        away for the expr argument.

2006-09-16  Steven Bosscher  <steven@gcc.gnu.org>

        PR tree-opt/27742
        * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
        before using it for dumping after vectorizing loops.

2006-09-16  Andrew Pinski  <pinskia@physics.uc.edu>
            Jack Howarth  <howarth@bromo.med.uc.edu>

        PR target/29030
        * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
        skip on error_mark_node.
        (rs6000_darwin64_record_arg_recurse): Likewise.

2006-09-16  Steven Bosscher  <steven@gcc.gnu.org>

        * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
        * doc/rtl.texi: Remove related documentation.

2006-09-16  Bernd Schmidt  <bernd.schmidt@analog.com>

        * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
        printf.

2006-09-15  Jim Wilson  <wilson@specifix.com>

        * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
        Handle symbol offsets same as they are handled in ia64_expand_move
        and move_operand.

2006-09-16  Andreas Tobler  <a.tobler@schweiz.org>

        * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
        Add forgotten parameter to the fprintf call.

2006-09-15  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.

2006-09-15  Uros Bizjak <uros@kss-loka.si>

        * doc/contrib.texi: Add my entry.

2006-09-15  Nick Clifton  <nickc@redhat.com>

        * doc/md.texi (Processor pipeline description): Fix typo in
        example of how to use the absence_set directive and reword the
        description to make it slightly easier to read.

2006-09-15  Bernd Schmidt  <bernd.schmidt@analog.com>

        * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
        * loop-doloop.c (doloop_optimize): Use it to limit costs of
        expanding the number of iterations.
        * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.

        * cfgrtl.c (emit_insn_at_entry): New function.
        * rtl.h (emit_insn_at_entry): Declare it.
        * integrate.c (emit_initial_value_sets): Use it.

        * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.

        * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
        bad.
        (struct loop_work and related VEC declarations): Delete.
        (bfin_dump_loops): Print out new member bad.
        (bfin_bb_in_loop): Use plain bitmap test.  Don't recurse.
        (bfin_scan_loop): Don't recurse.
        (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
        loops.  No longer need to update outer loops if the current one is
        found bad.  Move some validitiy checks to bfin_discover_loop.
        (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
        but changed not to check for nesting.  Also changed to use the new bad
        flag.
        (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
        time.  Use bitmap based test to discover loop nesting.

2006-09-15  Kazu Hirata  <kazu@codesourcery.com>

        * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
        one line.

2006-09-14  Richard Guenther  <rguenther@suse.de>
            Kazu Hirata  <kazu@codesourcery.com>

        PR middle-end/28884.
        * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
        (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
        Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
        with TARGET_FUNCTION_VALUE.

2006-09-14  Anatoly Sokolov <aesok@post.ru>

        PR target/26504
        * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.

2006-09-13  Aldy Hernandez  <aldyh@redhat.com>

        * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
        of a RETURN_EXPR

2006-09-13  Andrew Pinski  <pinskia@physics.uc.edu>

        PR debug/28980
        * dwarf2out.c (loc_descriptor_from_tree_1): Handle
        FUNCTION_DECL.

2006-09-13  Andreas Krebbel  <krebbel1@de.ibm.com>

        * basic_block.h (bb_has_eh_pred): Fix comment.

2006-09-13  Andreas Krebbel  <krebbel1@de.ibm.com>

        * flow.c (calculate_global_regs_live): Invalidate eh registers
        on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
        (propagate_block): Handle eh registers as if they were set at basic
        block start.
        * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
        registers.
        * global.c (global_conflicts): Make eh registers to conflict with
        pseudos live at basic block begin.
        * basic_block.h (bb_has_eh_pred): New function.

2006-09-13  Richard Sandiford  <richard@codesourcery.com>

        PR rtl-optimization/28982
        * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
        index of a PRE_MODIFY or POST_MODIFY address.
        * reload1.c (inc_for_reload): Use find_replacement on the original
        base and index registers.

2006-09-12  H.J. Lu  <hongjiu.lu@intel.com>

        * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
        for -Os. Update __m128 alignment requirement.

2006-09-13  Jan Hubicka  <jh@suse.cz>

        * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.

2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR rtl-optimization/28243
        * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
        the insn to which the note was originally attached.

2006-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
            Roger Sayle  <roger@eyesopen.com>

        * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
        outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
        on platforms that don't use dwarf for debug info.

2006-09-12  Jason Merrill  <jason@redhat.com>

        PR middle-end/28493
        * builtins.c (expand_builtin_setjmp_receiver): Clobber
        hard_frame_pointer_rtx after using it to update the frame pointer.

2006-09-12  Roger Sayle  <roger@eyesopen.com>

        * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
        (TARGET_ASM_CLOSE_PAREN): Likewise.
        * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
        (TARGET_ASM_CLOSE_PAREN): Likewise.

2006-09-12  Roger Sayle  <roger@eyesopen.com>

        PR target/22223
        * config/alpha/alpha.c (alpha_start_function): Don't emit stack
        frame information for frames larger than 512 Kbytes on Tru64 when
        using the native assembler.

2006-09-12  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/4520
        PR bootstrap/28784
        * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
        and symbols.  Instead use the implementation from cse.c's hash_rtx.

2006-09-12  Jan Hubicka  <jh@suse.cz>

        PR rtl-optimization/28071
        * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
        (vect_transform_loop): Likewise.
        * tree-vectorizer.c (new_loop_vec_info): Likewise.
        (new_loop_vec_info): Likewise.
        (destroy_loop_vec_info): Likewise.
        * tree-dfa.c (create_var_ann): Use GCC_CNEW.
        (create_stmt_ann): Likewise.
        (create_tree_ann): Rename to ...
        (create_tree_common_ann): ... this one; allocate only the common part
        of annotations.
        * tree-vn.c (set_value_handle): Use get_tree_common_ann.
        (get_value_handle): Likewise.
        * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
        get_tree_common_ann.
        * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
        (vinfo_for_stmt): Use stmt annotations.
        * tree-flow.h (tree_ann_common_t): New type.
        (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
        (tree_ann, get_tree_ann, create_tree_ann): New.
        * tree-flow-inline.h (get_function_ann): Do more type checking.
        (stmt_ann): Likewise.
        (tree_ann): Rename to ...
        (tree_common_ann): ... this one; return ony common_ann
        (get_tree_ann): Rename to ...
        (tree_common_ann): This one; return only common_ann.
        * tree-vect-patterns.c (vect_pattern_recog_1): Update call
        of set_stmt_info.

2006-09-11  Geoffrey Keating  <geoffk@apple.com>

        * config.gcc (i[34567]86-*-darwin*): Set with_arch and
        with_cpu by default.

        * dwarf2out.c (dwarf_file_data): New.
        (enum dw_val_class): Add dw_val_class_file.
        (struct dw_val_struct): Add val_file.
        (file_table): Change to a hash table.
        (file_table_emitted): Delete.
        (file_table_last_lookup_index): Delete.
        (emitcount): Delete.
        (last_emitted_file): New.
        (lookup_filename): Change prototype to return a struct dwarf_file_data.
        (init_file_table): Delete.
        (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
        (AT_addr): Add comment.
        (add_AT_file): New.
        (AT_file): New.
        (get_AT_file): New.
        (print_die): Handle dw_val_class_file.
        (print_dwarf_line_table): Update for new file table structure.
        (attr_checksum): Do checksum a filename.
        (same_dw_val_p, same_attr_p): Do compare a filename.
        (size_of_die): Handle dw_val_class_file.
        (value_format): Likewise.
        (output_die): Likewise.  Also, call maybe_emit_file here.
        (struct file_info): Constify filenames.  Make file_idx a pointer
        to a struct dwarf_file_data.
        (struct dir_info): Constify directory names.  Remove 'used' field.
        (struct file_name_acquire_data): New.
        (file_name_acquire): New.
        (output_file_names): Modify to handle new file data structures.
        (add_src_coords_attributes): Use add_AT_file.
        (add_call_src_coords_attributes): Likewise.
        (dwarf2out_imported_module_or_decl): Likewise.
        (gen_subprogram_die): Modify for new file data structures.
        (gen_variable_die): Likewise.
        (file_table_eq): New.
        (file_table_hash): New.
        (file_table_last_lookup): New.
        (lookup_filename): Rewrite to handle new file data structures.
        (maybe_emit_file): Rewrite to handle new file data structures.
        (dwarf2out_source_line): Always call lookup_filename and
        maybe_emit_file.
        (dwarf2out_init): Create file_table here.
        (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
        (file_table_relative_p): New.
        (dwarf2out_finish): Change detection of relative filenames
        to work with new file data structures.  Move output_line_info call
        after debug_info output.

2006-09-11  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/13685
        PR target/27537
        PR target/28621
        * config/i386/i386.c (override_options): Always default to 16
        byte stack boundary.

2006-09-11  Alexandre Oliva  <aoliva@redhat.com>

        PR target/28672
        * var-tracking.c (dump_dataflow_set): Start dumping at
        register zero.
        (clobber_variable_part): Kill only the variable part in
        registers holding it, leaving other variables alone.

2006-09-11  Josh Triplett  <josh@freedesktop.org>

        * doc/extend.texi (Other Builtins): Actually use the macro
        argument in the documentation example for
        __builtin_types_compatible_p.

2006-09-11  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR rtl-optimization/28726
        * sched-deps.c (sched_analyze_reg): New function extracted from...
        (sched_analyze_1): ...here.  Call it to analyze references to
        registers.  Treat again writes to a stack register as writing to the
        register.
        (sched_analyze_2): ...and here.  Call it to analyze references to
        registers.  Treat again reads of a stack register as reading the
        register.

2006-09-11  Guenter Roeck  <guenter@roeck-us.net>
            David Edelsohn  <edelsohn@gnu.org>

        PR target/27287
        * config/rs6000/spe.md (frob_df_di): Remove %H.
        (frob_di_df): Remove %H.  Change evmergelo to mr.
        (frob_di_df_2): Remove %H.  Change evldd to two loads.

2006-09-11  Hideki Iwamoto  <h-iwamoto@kit.hi-ho.ne.jp>

        * doc/cpp.texi: Fix names of charset options.

2006-09-10  Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/29009
        * config/i386/i386.c (override_options): Use 128-bit
        stack boundary always for 64bits.

2006-09-10  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR rtl-optimization/28636
        * combine.c (force_to_mode): Test for side-effects before
        substituting by zero.
        (simplify_shift_const): Likewise for zero or other constants.

2006-09-10  Steven Bosscher  <steven@gcc.gnu.org>

        PR middle-end/26983
        * builtins.c (expand_builtin_setjmp): Force next_lab to be
        preserved.

2006-09-10  Richard Sandiford  <richard@codesourcery.com>

        PR target/29006
        * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
        * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
        returned by mode_for_size, rather than the mode of src itself,
        to choose between 32-bit and 64-bit patterns.
        (mips_mem_fits_mode_p): New function.
        * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
        that the size of the source matches the size of the destination.
        (mov_<store>l, mov_<store>r): Likewise.

2006-09-10  Eric Christopher  <echristo@apple.com>

        * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
        for literal16.

2006-09-09  Eric Christopher  <echristo@apple.com>

        PR target/28995
        * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
        for literal16.

2006-09-09  Roger Sayle  <roger@eyesopen.com>
            Nicolas Setton <setton@adacore.com>

        * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.

2006-09-10  Andreas Schwab  <schwab@suse.de>

        * config/m68k/m68k.md (bungt_rev): New pattern.

2006-09-09  Paolo Bonzini  <bonzini@gnu.org>
            Dale Johannesen  <dalej@apple.com>

        PR target/26778
        * regclass.c (struct reg_pref): Update documentation.
        (regclass): Set prefclass to NO_REGS if memory is the best option.
        (record_reg_classes): Cope with a prefclass set to NO_REGS.

2006-09-08  Eric Christopher  <echristo@apple.com>

        * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
        * config/t-slibgcc-darwin: Support x86_64 multilib.
        * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
        Return 1 for x86_64-darwin.
        * config/i386/t-darwin: Add m64 multilib.
        (LIB2_SIDITI_CONV_FUNCS): Use.
        (LIB2FUNCS_EXTRA): Ditto.
        * config/i386/darwin.h: Support x86_64.
        * config/i386/i386.c (override_options): Turn on flag_pic
        for x86_64-darwin. Disable flag_omit_pointer.
        (get_pc_thunk_name): Assert !TARGET_64BIT.
        (legitimate_address_p): Disable machopic addressing for
        x86_64.
        (legitimize_pic_address): Ditto.
        (ix86_expand_move): Ditto.
        (ix86_expand_call): Ditto.
        (machopic_output_stub): Ditto.
        * config/darwin.c (machopic_select_section): Support literal16.
        (machopic_select_rtx_section): Ditto.
        * config/darwin-sections.def: Ditto.
        * config/darwin-64.c: New.

2006-09-08  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/28504
        * c-tree.h (struct c_arg_info): Add pending_sizes.
        * c-parser.c (c_parser_parms_declarator,
        c_parser_parms_list_declarator): Initialize pending_sizes.
        * c-decl.c (get_parm_info): Initialize pending_sizes.
        (get_parm_info): Set pending_sizes.
        (grokdeclarator): Call put_pending_sizes for parameters for
        function definition only.

2006-09-07  Jason Merrill  <jason@redhat.com>

        PR middle-end/27724
        * varasm.c (output_constant): Only strip actual no-op conversions.

        PR target/13685
        * config/i386/i386.c (override_options): Use 128-bit
        stack boundary if -msse.

2006-09-07  Eric Christopher  <echristo@apple.com>

        * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
        comment.
        * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
        Redefine.

2006-09-07  Geoffrey Keating  <geoffk@apple.com>

        * dwarf2out.c: Remove strange characters from comment above
        dwarf2out_frame_debug_expr.

2006-09-07  Eric Christopher  <echristo@apple.com>

        * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
        * config/darwin.h: ... to here.

2006-09-07  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (x86_partial_flag_reg_stall): New.

        * config/i386/i386.h (x86_partial_flag_reg_stall): New.
        (TARGET_PARTIAL_FLAG_REG_STALL): New.

        * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
        TARGET_PARTIAL_FLAG_REG_STALL.
        (*ashldi3_cconly_rex64): Likewise.
        (*ashlsi3_cmp): Likewise.
        (*ashlsi3_cconly): Likewise.
        (*ashlsi3_cmp_zext): Likewise.
        (*ashlhi3_cmp): Likewise.
        (*ashlhi3_cconly): Likewise.
        (*ashlqi3_cmp): Likewise.
        (*ashlqi3_cconly): Likewise.
        (*ashrdi3_cmp_rex64): Likewise.
        (*ashrdi3_cconly_rex64): Likewise.
        (*ashrsi3_cmp): Likewise.
        (*ashrsi3_cconly): Likewise.
        (*ashrsi3_cmp_zext): Likewise.
        (*ashrhi3_cmp): Likewise.
        (*ashrhi3_cconly): Likewise.
        (*ashrqi3_cmp): Likewise.
        (*ashrqi3_cconly): Likewise.
        (*lshrdi3_cmp_rex64): Likewise.
        (*lshrdi3_cconly_rex64): Likewise.
        (*lshrsi3_cmp): Likewise.
        (*lshrsi3_cconly): Likewise.
        (*lshrsi3_cmp_zext): Likewise.
        (*lshrhi3_cmp): Likewise.
        (*lshrhi3_cconly): Likewise.
        (*lshrqi2_cmp): Likewise.
        (*lshrqi2_cconly): Likewise.

2006-09-07 Uros Bizjak <uros@kss-loka.si>

        PR target/28946
        * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
        "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
        "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
        "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
        "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
        "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
        "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
        "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
        "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
        implement only CC setting effects of shift instructions.

2006-09-07  Martin Michlmayr  <tbm@cyrius.com>

        * doc/contrib.texi: Add myself.

2006-09-07  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/28862
        * stor-layout.c (relayout_decl): Don't zero the alignment if it
        was set by the user.

2006-09-07  Paolo Bonzini  <bonzini@gnu.org>

        PR target/27117
        * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
        (divsi_inv_m1): Use them.
        (UNSPEC_DIV_INV_TABLE): New constant.

2006-09-06  James E Wilson  <wilson@specifix.com>

        PR rtl-opt/27883
        * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
        then call count_or_remove_death_notes.

2006-09-06  Jason Merrill  <jason@redhat.com>

        PR c++/27371
        * tree-inline.c (copy_result_decl_to_var): New fn.
        (declare_return_variable): Use it.  Call declare_inline_vars here.
        (expand_call_inline): Not here.

2006-09-06  Diego Novillo  <dnovillo@redhat.com>

        * doc/contrib.texi: Update my entry.

2006-09-06  Nick Clifton  <nickc@redhat.com>

        * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.

2006-09-05  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/28937
        * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
        (canonicalize_induction_variables): Likewise.
        (tree_unroll_loops_completely): Likewise.
        (tree_ssa_prefetch_arrays): Likewise.
        (remove_empty_loops): Likewise.
        * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
        TODO_cleanup_cfg instead of directly calling
        cleanup_tree_cfg_loop.
        * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
        Likewise.
        (tree_unroll_loops_completely): Likewise.
        (remove_empty_loops): Likewise.
        * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
        * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
        of tree_ssa_unswitch_loops.
        (tree_ssa_loop_ivcanon): Use the return value of
        canonicalize_induction_variables.
        (tree_ssa_empty_loop): Use the return value of
        remove_empty_loops.
        (tree_complete_unroll): Use the return value of
        tree_unroll_loops_completely.
        (tree_ssa_loop_prefetch): Use the return value of
        tree_ssa_prefetch_arrays.
        * passes.c (execute_todo): Before Cleanup CFG, set
        updating_used_alone and after cleanup CFG, call
        recalculate_used_alone.

2006-09-05  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/28952
        * tree-vect-transform.c (vectorizable_condition): Move the check
        for the type after the check for simple condition.

2006-09-05  J"orn Rennecke  <joern.rennecke@st.com>
            Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/28764
        * mode-switching.c (optimize_mode_switching): Make the destination
        block of an abnormal edge have no anticipatable mode.  Don't
        insert mode switching code at the end of the source block of
        an abnormal edge.

2006-09-05  Paolo Bonzini  <bonzini@gnu.org>

        PR rtl-optimization/26847
        * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
        (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
        (simplify_plus_minus): Count n_constants while filling ops.  Replace
        qsort with insertion sort.  Before going through the array to simplify
        pairs, sort it.  Delay early exit until after the first sort, exiting
        only if no swaps occurred.  Simplify pairs in reversed order, without
        special-casing the first iteration.  Pack ops after simplifying pairs.

2006-09-05  Anatoly Sokolov <aesok@post.ru>

        * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
        * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
        * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
        (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.

2006-09-05  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/28900
        * tree-if-conv.c (find_phi_replacement_condition): Gimplify
        compound conditional before creating COND_EXPR condition.

2006-09-05  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/28905
        * tree-vrp.c (fix_equivalence_set): Manually implement
        !value_ranges_intersect_p to also handle symbolic ranges.

2006-09-05  Richard Guenther  <rguenther@suse.de>

        PR middle-end/28935
        * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
        of a COND_EXPR.

2006-09-04  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR rtl-optimization/27616
        * cse.c (table_size): New static variable.
        (new_basic_block): Initialize it to 0.
        (remove_from_table): Decrement it.
        (insert): Increment it.
        (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
        (fold_rtx_mem): Enforce a cap on the recursion depth.  Call
        fold_rtx_mem_1 if under the cap.
        (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
        the lookup of the equivalent expression and test for equality of the
        first operand of the equivalent expression before in turn looking up
        an equivalent constant for the second operand.

2006-09-02  Geoffrey Keating  <geoffk@apple.com>

        Revert this change:
        2006-03-17  Alexandre Oliva  <aoliva@redhat.com>
        * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
        pointer, instead of assuming it is possible to derive the
        correct args size from a call insn.

2006-09-02  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/27567
        * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
        (fold_builtin_mempcpy): Rename to...
        (fold_builtin_memory_op): ... this.  Optimize one element copy
        into an assignment.
        (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
        functions.
        (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
        (expand_builtin_memcpy, expand_builtin_mempcpy,
        expand_builtin_memmove): Likewise.  Use fold_builtin_memory_op.
        (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
        BUILT_IN_BCOPY.  Use fold_builtin_memory_op for
        BUILT_IN_MEM{CPY,PCPY,MOVE}.

2006-09-01  DJ Delorie  <dj@redhat.com>

        * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
        (stzx_16): Likewise.
        ("stzx_24_<mode>"): Likewise.
        ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
        ("cmp<mode>_op"): New.
        (cmp<mode>): Change to expander; just save operands.
        (b<code>_op): New.
        (b<code>): Change to expander, emit compare here.
        (s<code>_op): Change to use split and expander.
        (s<code>_24_op): Likewise.
        (s<code>_<mode>): New.
        (s<code>_<mode>_24): New.
        (movqicc_<code>_<mode): New.
        (movhicc_<code>_<mode>): New.
        (s<code>): New.
        (s<code>_24): New.
        * config/m32c/m32c.c (compare_op0, compare_op1): New.
        (m32c_pend_compare): New.
        (m32c_unpend_compare): New.
        (m32c_expand_scc): New.
        (m32c_expand_movcc): Emit the compare also.
        * config/m32c/predicates.md (mra_nopp_operand): New.

2006-09-01  J"orn Rennecke  <joern.rennecke@st.com>
        Richard Guenther  <rguenther@suse.de>
        Adam Nemet  <anemet@caviumnetworks.com>

        PR middle-end/27226
        * builtins.c (get_pointer_alignment): Handle more forms
        of base addresses that can be used to derive more precise
        information about alignment.

2006-09-01  Jason Merrill  <jason@redhat.com>

        PR c++/28899
        * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
        want_value.

        * gimplify.c (voidify_wrapper_expr): Handle null type.

2006-09-01  Josh Conner  <jconner@apple.com>

        PR c++/25505
        * tree-nrv.c (dest_safe_for_nrv_p): New function.
        (execute_return_slot_opt): Use it.

2006-08-31  Josh Conner  <jconner@apple.com>

        PR c++/25505
        * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
        returning aggregates.

2006-08-31  Zdenek Dvorak <dvorakz@suse.cz>

        PR tree-optimization/28839
        * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
        blocks in that phi arguments appear.

2006-08-31  Roger Sayle  <roger@eyesopen.com>

        PR other/22313
        * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
        NULL, otherwise use an advance_loc4 to adjust relative to the
        current label.
        (output_cfi) <DW_CFA_set_loc>: Update the current label.
        (dwarf2out_switch_text_section): Reset the current label to avoid
        using advance_loc4 over section boundaries.

2006-08-31  Andreas Krebbel  <krebbel1@de.ibm.com>

        PR target/24367
        * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
        r12 + SYMBOLIC_CONST.

2006-08-30  Richard Guenther  <rguenther@suse.de>

        * Makefile.in (see.o): Add $(EXPR_H) dependency.

2006-08-30  Zdenek Dvorak <dvorakz@suse.cz>

        PR rtl-optimization/27735
        * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
        Add new argument to keep track of whether an irreducible region
        was affected.  All callers changed.
        (fix_irreducible_loops): Removed.
        (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
        flags were invalidated.

2006-08-29  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
        instead of SF operands.
        (*fop_df_comm_sse): Likewise.
        (*fop_df_comm_i387): Likewise.
        (*fop_df_1_mixed): Likewise.
        (*fop_df_1_sse): Likewise.

2006-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
            J"orn Rennecke  <joern.rennecke@st.com>

        PR tree-optimization/17506
        * tree-ssa.c (warn_uninit): If warning about a location outside of
        the current function, note where the variable was declared.

2006-08-28  Zdenek Dvorak <dvorakz@suse.cz>

        PR tree-optimization/28411
        * double-int.c (double_int_div): Use double_int_divmod.
        (double_int_divmod, double_int_sdivmod, double_int_udivmod,
        double_int_mod, double_int_smod, double_int_umod): New functions.
        * double-int.h (double_int_divmod, double_int_sdivmod,
        double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
        Declare.
        * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
        in double_int.
        (get_computation_aff, get_computation_cost_at): Handle double_int
        return type of constant_multiple_of.

2006-08-28  Kazu Hirata  <kazu@codesourcery.com>

        PR middle-end/26632
        * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
        an implicit conversion.

2006-08-28  Prafulla Thakare  <prafullat@kpitcummins.com>

        * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.

2006-08-27  Roger Sayle  <roger@eyesopen.com>

        * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
        x87 instructions.

2006-08-27  Kazu Hirata  <kazu@codesourcery.com>

        * config/i386/crtfastmath.c: Fix a comment typo.

2006-08-26  Roger Sayle  <roger@eyesopen.com>

        * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
        temporary visit flags on CASE_LABEL_EXPRs.
        * c-common.c (match_case_to_enum): Add function comment.  Avoid
        O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
        (c_do_switch_warnings):  Reorganize to record CASE_LOW_SEEN and
        CASE_HIGH_SEEN for enumerated types.  If the switch expression is
        a constant, only warn if that constant value isn't handled.

2006-08-26  Joseph S. Myers  <joseph@codesourcery.com>

        PR c++/24009
        * input.h (restore_input_file_stack): Declare.
        (INPUT_FILE_STACK_BITS): Define.
        * toplev.c (fs_p, input_file_stack_history,
        input_file_stack_restored, restore_input_file_stack): New.
        (push_srcloc, pop_srcloc): Check for input_file_stack_tick
        overflowing INPUT_FILE_STACK_BITS bits.  Save new state of stack.
        (pop_srcloc): Don't free old state of stack.

2006-08-26  David Edelsohn  <edelsohn@gnu.org>

        PR target/27544
        * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
        (PowerPC Type Attributes): New.

2006-08-26  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (function_arg_boundary): New.
        (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
        STACK_BOUNDARY.
        * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
        function_arg_boundary function that limits alignment to STACK_BOUNDARY.

2006-08-26  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/28683
        * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
        3 following insns.

2006-08-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * flow.c (verify_wide_reg): Use internal_error for consistency failure.
        (verify_local_live_at_start): Likewise.

2006-08-25  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/27893
        * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
        omp_add_variable): Treat sizes as variable whenever not
        INTEGER_CST.

2006-08-26  Richard Guenther  <rguenther@suse.de>

        PR middle-end/28814
        * fold-const.c (fold_binary): Fold temporary to correct
        type before constructing new comparison.

2006-08-25  Fariborz Jahanian  <fjahanian@apple.com>

        PR c/28418
        * c-gimplify.c (gimplify_compound_literal_expr): Don't add
        variable again if DECL_SEEN_IN_BIND_EXPR_P.

2006-08-25  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/28299
        * c-decl.c (start_function): Don't try to process prototype
        information from old declaration that isn't a function.

2006-08-25  Jan Hubicka  <jh@suse.cz>

        PR target/28621
        * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.

2006-08-25  Alan Modra  <amodra@bigpond.net.au>

        PR target/27075
        * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
        for 8 byte objects.

2006-08-25  J"orn Rennecke  <joern.rennecke@st.com>

        PR tree-optimization/16876
        * c-typeck.c (c_convert_parm_for_inlining): Don't take early
        exit if PARM doesn't match VALUE.

2006-08-25  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
        literal_prefix directive.
        (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
        * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
        * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.

2006-08-25  David Edelsohn  <edelsohn@gnu.org>

        PR target/28753
        * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
        predicate to general_operand.  Add 0->y and I->r alternatives.

2006-08-25  Kazu Hirata  <kazu@codesourcery.com>

        * doc/tm.texi: Fix a typo.
        * predict.c: Fix comment typos.

2006-08-25  Nick Clifton  <nickc@redhat.com>

        * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
        assertions of "cpu" and "machine".

2006-08-24  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/28807
        * tree-ssa-operands.c (access_can_touch_variable): Don't say
        the access through a base which has an alias set of 0 cannot
        touch the variable.

2006-08-24  Bill Wendling  <wendling@apple.com>

        * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.

2006-08-24  Jan Hubicka  <jh@suse.cz>

        * reload1.c (emit_reload_insns): Fix yet another typo in my patch.

2006-08-24  Jan Hubicka  <jh@suse.cz>

        PR debug/26881
        * cgraph.c: Fix comments.
        (cgraph_varpool_mark_needed_node): Mark only variables not already
        output to file.
        * cgraphunit.c: Update comments; include gt-cgraphunit.h
        (cgraph_varpool_assembled_nodes_queue): New static variable.
        (cgraph_varpool_assemble_decl): Record output decls for debug out code.
        (cgraph_varpool_output_debug_info): New function.
        (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
        * Makefile.in: Add gt-cgraphunit.h

2006-08-24  Jan Hubicka  <jh@suse.cz>

        * predict.c (probability_reliable_p): New predicate.
        (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
        (predict_loops): Do not predict loop exit with less than 2%
        probability.
        * basic-block.h (edge_probability_reliable_p,
        br_prob_note_reliable_p): Declare.
        * ia64.h (ia64_print_operand): Do not disable on-chip branch
        prediction when static predictor is not reliable.
        * rs6000.c (output_cbranch): Likewise.

2006-08-23  Stuart Hastings  <stuart@apple.com>

        PR 28825
        * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
        ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.

2006-08-21  Geoffrey Keating  <geoffk@apple.com>

        PR debug/28692
        * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
        complex values, nor for generic vector values.

2006-08-22  Richard Guenther  <rguenther@suse.de>

        PR middle-end/28776
        * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
        parameter.  Convert arguments to arithmetic expression to the
        chrecs type.
        (analyze_scalar_evolution_1): Adjust caller.

2006-08-22  Jan Hubicka  <jh@suse.cz>

        Patch by Paolo Bonzini
        * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
        my previous patch.

2006-08-22  Daniel Berlin  <dberlin@dberlin.org>

        PR tree-optimization/28003
        * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
        before grouping aliases.

2006-08-22  Roger Sayle  <roger@eyesopen.com>

        * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
        if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.

2006-08-21  Jason Merrill  <jason@redhat.com>

        PR c++/27115
        * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
        wrapper.  Loop to handle nested wrappers.
        (gimplify_bind_expr): Remove temp parameter.
        (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
        and STATEMENT_LIST on the rhs.
        (gimplify_statement_list): Voidify the STATEMENT_LIST.
        (gimplify_expr): Pass pre_p to gimplify_statement_list.
        (gimplify_target_expr): Remove special BIND_EXPR handling.

2006-08-21  J"orn Rennecke  <joern.rennecke@st.com>

        * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
        #if !__SHMEDIA__ .

2006-08-21  Olivier Hainque  <hainque@adacore.com>

        * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
        Arrange for the temporary captures of components overlapping the lhs
        to happen before the lhs is possibly cleared.

2006-08-21  Mark Shinwell  <shinwell@codesourcery.com>

        * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
        necessary places to pass the correct "number of registers" values
        to _Unwind_VRS_Pop.

2006-08-20  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
        (create_name_tags): Instead of quadratic checking use hashtable.
        * bitmap.h: Include hashtab.h.
        (bitmap_hash): Declare.
        * bitmap.c (bitmap_hash): New function.

2006-08-20  Jan Hubicka  <jh@suse.cz>

        PR rtl-optimization/28071
        * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
        twice.
        * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
        * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
        (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
        cgraph_decide_inlining_incrementally): Update use of
        cgraph_check_inline_limits.
        * cgraph.c (edge_hash, edge_eq): New function.
        (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
        cgraph_edge_remove_caller, cgraph_node_remove_callees,
        cgraph_remove_node): Maintain call site hash.
        * cgraph.h (struct cgraph_node): Add call_site_hash.
        (cgraph_set_call_stmt): New function.

2006-08-20  Jan Hubicka  <jh@suse.cz>

        PR rtl-optimization/28071
        * reload1.c (reg_has_output_reload): Turn into regset.
        (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
        choose_reload_regs, emit_reload_insns): Update to new
        reg_has_output_reload.

2006-08-20  Jan Hubicka  <jh@suse.cz>

        PR middle-end/28779
        * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
        function body sizes.
        * cgraphunit.c (cgraph_analyze_function): Don't do so.

2006-08-20  Danny Smith  <dannysmith@users.sourceforge.net>

        PR target/28648 c:
        * tree.c (handle_dll_attribute): Return early if not a
        var or function decl.

2006-08-18  Joseph Myers  <joseph@codesourcery.com>

        PR target/27565
        * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
        alignment of SPE vector types.

2006-08-18  Christophe Jaillet  <christophe.jaillet@wanadoo.fr>

        * tree.c (is_attribute_with_length_p): Remove a duplicated assert.

2006-08-17  Jakub Jelinek  <jakub@redhat.com>

        PR c/28744
        * cgraph.h (struct cgraph_node): Remove externally_visible
        bitfield.
        * cgraphunit.c (process_function_and_variable_attributes): Set
        local.externally_visible rather than externally_visible.

        PR c/28744
        * c-common.c (handle_externally_visible_attribute): First look
        at TREE_CODE and only if it is function or var decl, check for
        non-public objects.  Don't warn for DECL_EXTERNAL.
        * cgraphunit.c (process_function_and_variable_attributes): Warn
        if externally_visible attribute is used on non-public object.

2006-08-17  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/27865
        * reload1.c (forget_marked_reloads): New function.
        (forget_old_reloads_1): When data are passed, just mark the registers
        for later removal.
        (reload_as_needed): Use the new mechanizm.

2006-08-17  Alexandre Oliva  <aoliva@redhat.com>

        PR target/28146
        * reload.h (reg_equiv_alt_mem_list): New declaration.
        * reload1.c (reg_equiv_alt_mem_list): New definition.
        (reload): Initialize it and release it.
        (delete_output_reload): Use it.
        * reload.c (push_reg_equiv_alt_mem): New function.
        (find_reloads_toplev): Call it.
        (find_reloads_address, find_reloads_address_1): Likewise.
        (find_reloads_subreg_address): Likewise.

2006-08-17  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>

        PR rtl-optimization/28489
        * sched-ebb.c (begin_schedule_ready): Create basic block
        at the right place.
        (advance_target_bb): Skip empty blocks.
        * haifa-sched.c (bb_note): Make global.
        * sched-int.h (bb_note): Add prototype.

2006-08-16  Zdenek Dvorak <dvorakz@suse.cz>

        PR tree-optimization/27865
        * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
        for pointer types.
        * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
        fold_used_pointer, pointer_used_p): New functions.
        (analyze_scalar_evolution_1): Use fold_used_pointer.
        * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
        * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
        for pointers.

2006-08-17  Paolo Bonzini <bonzini@gnu.org>

        PR c++/28573
        * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
        or the INTEGER_CST.  Fail on a CALL_EXPR.
        (fold_offsetof): Pass new argument to fold_offsetof_1.
        * c-parser.c (c_parser_postfix_expression): Don't include a NULL
        operand into an INDIRECT_REF.
        * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.

2006-08-16  Zdenek Dvorak <dvorakz@suse.cz>

        PR gcov/profile/26570
        * value-prof.c (static_values): Removed.
        (tree_find_values_to_profile): Do not set static_values.
        (find_values_to_profile): Do not free static_values.
        * profile.c (instrument_values): Do not free the values.
        (branch_prob): Free the values.

2006-08-16  Naveen.H.S  <naveenh@kpitcummins.com>

        * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.

2006-08-16  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/27697
        * c-typeck.c (build_component_ref): Combine qualifiers of
        structure or union and field.

2006-08-16  Zdenek Dvorak <dvorakz@suse.cz>

        PR rtl-optimization/28071
        * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
        * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
        * tree-into-ssa.c (struct dom_dfsnum): New.
        (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
        functions.
        (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
        compute_global_livein.
        (prepare_block_for_update, prepare_use_sites_for): Mark the uses
        in phi nodes in the correct blocks.

2006-08-16  Zdenek Dvorak <dvorakz@suse.cz>

        PR tree-optimization/28364
        * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
        correctly.
        (fold_affine_expr): New function.
        (may_eliminate_iv): Use fold_affine_expr.

2006-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        PR c/27489
        * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
        Clean up.

2006-08-16  Mike Stump  <mrs@apple.com>

        * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
        * doc/cppopts.texi (-MD): Likewise.

2006-08-15  Danny Smith  <dannysmith@users.sourceforge.net>

        PR c/28287
        * c-common.c (handle_weak_attribute): Ignore and warn if
        not a FUNCTION_ or VAR_DECL.

2006-07-15  Mike Stump  <mrs@apple.com>

        PR c/28280
        * c-parser.c (c_parser_typeof_specifier): Don't use
        c_finish_expr_stmt, open code desired semantics instead.

2006-08-15  Nick Clifton  <nickc@redhat.com>

        * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
        fragment to tmake_file only if threads are enabled.
        * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
        * config/i386/t-gthr-win32: New file. ... here.

2006-08-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        PR c/28649
        * c-parser.c (c_parser_compound_statement_nostart): Reset
        parser->error after each statement.

2006-08-15  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/28713
        * omp-low.c (lower_omp_parallel): Convert t to
        receiver_decl's type.
        (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
        source before comparison.

        PR middle-end/28724
        * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
        to itype in assignment to oldival2.

2006-07-14  Andrew Pinski  <pinksia@physics.uc.edu>

        PR c/27490
        PR c/27489
        * c-typeck.c (build_compound_expr): If the second expression
        is an error mark, then just return an error mark instead of
        creating a COMPOUND_EXPR.

2006-07-14  Mike Stump  <mrs@apple.com>

        * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.

2006-08-14  Kazu Hirata  <kazu@codesourcery.com>

        * c-decl.c, var-tracking.c: Fix comment typos.

2006-08-14  Richard Sandiford  <richard@codesourcery.com>

        PR rtl-optimization/28634
        * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
        for floating-point modes unless flag_unsafe_math_optimizations.

2006-08-13  Alexandre Oliva  <aoliva@redhat.com>
            Andrew Pinski  <pinskia@physics.uc.edu>

        PR c/27184
        * tree.c (build_array_type): Unify array types with
        unspecified index_type.
        * c-decl.c (grokdeclarator): Make sure we do not modify a
        unified incomplete array type.
        * c-typeck.c (store_init_value): Create distinct type before
        filling in the index type in an initializer from a compound
        literal.

        * c-decl.c (grokdeclarator): Remove code where we copy the
        array type over.

2006-08-13  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
        into account for TODO_dump_cgraph.
        (TODO_update_ssa_no_phi): Likewise.
        (TODO_update_ssa_full_phi): Likewise.
        (TODO_update_ssa_only_virtuals): Likewise.
        (TODO_remove_unused_locals): Likewise.
        (TODO_set_props): Likewise.
        (TODO_update_stmt_usage): Likewise.

2006-08-13  Dirk Mueller  <dmueller@suse.de>

        * c-common.c (strict_aliasing_warning): Fix formatting.

2006-08-13  Matthias Klose  <doko@debian.org>

        * doc/invoke.texi: Fix spelling errors.

2006-08-11  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR rtl-optimization/23454
        * reorg.c (relax_delay_slots): Update comment.

2006-08-11  Richard Guenther  <rguenther@suse.de>

        PR middle-end/28651
        * simplify-rtx.c (simplify_const_relational_operation):
        Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
        codes.

2006-08-10  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
        TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.

2006-08-10  Paul Brook  <paul@codesourcery.com>

        * final.c (final_scan_insn): Clear current_insn_predicate before
        outputting inline asm.

2006-08-10  Dorit Nuzman  <dorit@il.ibm.com>

        PR tree-optimization/26197
        * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
        get_ref_base_and_extent and overlap_subvar to add only relevant
        subvars as may-aliases.
        (add_may_alias_for_new_tag): New function, factored out of
        new_type_alias.
        * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
        with additional argument.
        * tree-flow.h (new_type_alias): Takes additional argument.

2006-08-09  Nathan Sidwell  <nathan@codesourcery.com>

        * gcov.c (no_data_file): New flag.
        (read_count_file): Set it if data file not present.  Assume counts
        zero if not found.
        (output_lines): Don't name the data file, if there wasn't one.

2006-08-09  Eric Botcazou  <ebotcazou@adacore.com>

        * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
        (rs6000_generate_compare): Tweak comments.
        * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.

2006-08-09  Alexandre Oliva  <aoliva@redhat.com>

        * var-tracking.c (enum micro_operation_type): Add MO_COPY.
        (var_debug_decl): New function.
        (var_reg_set): Follow debug decl link.  Add location even if
        reg is already known to hold some other variable.
        (var_mem_set): Follow debug decl link.
        (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
        decl link.  Delete other known locations of the variable part
        if requested.
        (var_reg_delete, var_mem_delete): Delete other known locations
        of the variable part if requested.
        (same_variable_part_p): New function.
        (add_stores): Select MO_COPY when appropriate.
        (vt_initialize): Handle it.
        (compute_bb_dataflow, emit_notes_in_bb): Likewise.  Delete
        known locations for MO_SET and MO_CLOBBER.
        (find_variable_location_part): New function.
        (set_variable_part, delete_variable_part): Use it.
        (clobber_variable_part): New function.
        * dwarf2out.c (dwarf2out_var_location): Do not follow debug
        decl link.

2006-08-07  Victor Kaplansky <victork@il.ibm.com>

        PR tree-optimization/26969
        * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
        with an empty list of PHIs.

2006-08-06  Paolo Bonzini  <bonzini@gnu.org>

        PR target/27827

        * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
        instructions.

2006-08-06  Andreas Schwab  <schwab@suse.de>

        * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
        string.  Whitespace and comment fixup.

2006-08-05  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        PR c/28502
        * c-decl.c (validate_proto_after_old_defn): Return false on invalid
        argument.

        PR c/27721
        * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.

        PR c/28136
        * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.

2006-08-04  Jan Hubicka  <jh@suse.cz>

        PR target/26655
        PR target/28270
        * reload.c (push_reload): Patch out the mismatching instruction;
        return early.
        (find_reload): Bail out if the instruction was patched out.

2006-08-04  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/24888
        * tree-inline.c (expand_call_inline): Do not re-record variables.
        (declare_inline_vars): Add variable to unexpanded_var_list.

2006-08-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
            Roger Sayle  <roger@eyesopen.com>

        PR rtl-optimization/26244
        * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
        inner_const are negative or greater than or equal to the bitsize of
        MODE.  If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
        Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
        Simplify complicated if statement.  For ASHIFT and LSHIFTRT, return
        CONST0_RTX (mode) when the new shift count is greater than or equal to
        to the bitsize of the object being shifted and XEXP (y, 0) has no side
        effects.

2006-08-04  Kazu Hirata  <kazu@codesourcery.com>

        * tree-cfg.c: Fix a comment typo.

2006-08-03  Mark Mitchell  <mark@codesourcery.com>

        PR c++/28148
        * varasm.c (output_constant): Give the front end another chance to
        expand constants, after stripping NOPs.

2006-08-03  Jan Hubicka  <jh@suse.cz>

        * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
        implementation.

2006-08-03  Dorit Nuzman  <dorit@il.ibm.com>

        PR tree-optimization/27770
        * tree-vectorizer.h (get_vectype_for_scalar_type): Function
        declaration removed (moved to tree-flow.h).
        (vect_can_force_dr_alignment_p): Likewise.
        * tree-flow.h (get_vectype_for_scalar_type): New function declaration
        (moved from tree-vectorizer.h).
        (vect_can_force_dr_alignment_p): Likewise.
        * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
        from outside the vectorizer - in particular from cgraph stage.
        * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
        the alignment of global arrays when -fsection-anchors is enabled.
        * cgraphunit.c (cgraph_increase_alignment): New function.
        (cgraph_optimize): Call cgraph_increase_alignment.

2006-08-03  David Edelsohn  <edelsohn@gnu.org>

        PR target/27566
        * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
        not reload a SPE symbol_ref into a lo_sum address.

2006-08-02  Daniel Jacobowitz  <dan@codesourcery.com>

        PR debug/28063
        * dwarf2out.c (prune_unused_types_prune): Move call to
        prune_unused_types_update_strings to cover the parent DIE also.

2006-08-02  Jan Hubicka  <jh@suse.cz>

        PR gcov/profile/28480
        * tree-cfg.c (change_bb_for_stmt): New function.
        (tree_merge_blocks, tree_split_blocks): Use it.

2006-08-01  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        PR c++/28250
        PR c++/28257
        PR c++/28259
        PR c++/28267
        * toplev.c (compile_file): Return early on errorcount or sorrycount.
        * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
        (cgraph_optimize): Likewise.

2006-08-01  Stuart Hastings  <stuart@apple.com>

        * rtl.h (UINTVAL) New.
        * config/rs6000/rs6000.c (SMALL_INT) Use it.
        * testsuite/gcc.dg/20060801-1.c: New.

2006-08-01  Daniel Jacobowitz  <dan@codesourcery.com>

        PR debug/23336
        * c-typeck.c (build_external_type): Mark used enum types.
        * dwarf2out.c (dwarf2out_abstract_function): Save and restore
        cfun also.
        (gen_subprogram_die): Whitespace fix.

2006-08-01  Jan Hubicka  <jh@suse.cz>

        * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
        bitmap when not needed.
        * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
        bitmaps.

2006-08-01  Dirk Mueller  <dmueller@suse.de>

        * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.

2006-07-31  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * Makefile.in: Revert part of previous patch:
        Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
        and REGS_H.

2006-07-30  Eric Christopher  <echristo@apple.com>

        PR target/27543
        * doc/extend.texi (i386 Variable Attributes): Add anchor.
        (PowerPC Variable Attributes): New section.

2006-07-30  Atsushi Nemoto  <anemo@mba.ocn.ne.jp>

        PR target/28126 (partial fix)
        * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.

2006-07-28  Jan Hubicka  <jh@suse.cz>

        PR rtl-optimization/28071
        * cfgrtl.c (rtl_delete_block): Free regsets.
        * flow.c (allocate_bb_life_data): Re-use regsets if available.

2006-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
        and variables used in dependencies.

2006-07-27  Arjan van de Ven <arjan@linux.intel.com>

        * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
        %fs for -mcmodel=kernel.
        (stack_tls_protect_test_di): Likewise.

2006-07-27  Carlos O'Donell  <carlos@codesourcery.com>

        * Makefile.in: Use mkinstalldirs.

2006-07-27  H.J. Lu  <hongjiu.lu@intel.com>

        PR driver/28437
        * opts-common.c (prune_options): Skip joined switches.

2006-07-27  Jan Hubicka  <jh@suse.cz>

        PR rtl-optimization/28071
        * cselib.c (cselib_process_insn): Don't remove useless values too
        often for very large hashtables.

2006-07-27  Jan Hubicka  <jh@suse.cz>

        PR rtl-optimization/28071
        * global.c (greg_obstack): New obstack.
        (allocate_bb_info): Use it.
        (free_bb_info): Likewise.
        (modify_reg_pav): Likewise.

2006-07-27  Roger Sayle  <roger@eyesopen.com>

        * builtins.c (fold_fixed_mathfn): When long and long long are the
        same size, canonicalize llceil*, llfloor*, llround* and llrint*
        functions to their lceil*, lfloor*, lround* and lrint* forms.

2006-07-27  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>

        PR gcc/28508
        * config/m32r/m32r.md (branch_insn): Reduce pc range for short
        branch.
        (rev_branch_insn): Likewise.

2006-07-27  Jan Hubicka  <jh@suse.cz>

        PR rtl-optimization/28071
        * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
        (reg_set_in_bb, max_reg_computed): New static variables.
        (regmove_optimize): Free the new array.
        (fixup_match_1): Update call of reg_is_remote_constant_p.

2006-07-26  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/27882
        * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous