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

2006-06-28  Adrian Straetling  <straetling@de.ibm.com>

        * builtins.c: (expand_builtin_memset): Rewrite to support
        'set_storage_via_setmem'.
        * expr.c: (enum insn_code setmem_optab): Define.
        (enum insn_code clrmem_optab): Remove.
        (set_storage_via_setmem): New function.
        (clear_storage_via_setmem): Remove.
        (clear_storage): Replace call to "clear_storage_via_clrmem" with
        "set_storage_via_setmem".
        * expr.h: (set_storage_via_setmem): Declare.
        (CLEAR_RATIO): Redefine using HAVE_setmemM.
        * optabs.h: (enum insn_code setmem_optab): Declare.
        (enum insn_code clrmem_optab): Remove.
        * optabs.c: (init_optabs): Initialize setmem_optab.
        (enum insn_code clrmem_optab): Remove.
        * genopinit.c: (otabs): Likewise.
        * doc/md.texi: Document new standard pattern 'setmem'. Remove
          'clrmem'.
        * config/alpha/alpha.c: (alpha_expand_block_clear): Adjust
        'operands' ordering.
        * config/frv/frv.c: (frv_expand_block_clear): Likewise.
        * config/rs6000/rs6000.c: (expand_block_clear): Likewise.
        * config/alpha/alpha.md: ("clrmemqi", "clrmemdi"): Rename to "setmemM".
        FAIL on operands[2]!=const0_rtx. Adjust 'operands' ordering.
        * config/avr/avr.md: ("clrmemhi"): Likewise.
        * config/frv/frv.md: ("clrmemsi"): Likewise.
        * config/i386/i386.md: ("clrmemsi", "clrmemdi"): Likewise.
        * config/pa/pa.md: ("clrmemsi", "clrmemdi"): Likewise.
        * config/rs6000/rs6000.md: ("clrmemsi"): Likewise.
        * config/s390/s390.md: ("clrmem<mode>"): Likewise.

2005-06-28  Paul Brook  <paul@codesourcery.com>

        * Makefile.in: Set and use UNWIND_H.  Install as unwind.h.
        * c-decl.c (finish_decl): Call default_init_unwind_resume_libfunc.
        * except.c (add_ehspec_entry): Generate arm eabi filter lists.
        (assign_filter_values): Ditto.
        (output_ttype): New function.
        (output_function_exception_table): Use output_ttype.  Generate arm
        eabi filter lists.
        (default_init_unwind_resume_libfunc): New function.
        * except.h (default_init_unwind_resume_libfunc): Add prototype.
        * optabs.c (init_optabs): Don't set unwind_resume_libfunc.
        * opts.c (decode_options): Use targetm.unwind_tables_default.
        * target-def.h (TARGET_ASM_TTYPE): Provide and use definition.
        (TARGET_ARM_EABI_UNWINDER, TARGET_UNWIND_TABLES_DEFAULT): Ditto.
        * target.h (struct gcc_target): Add asm.ttype, unwind_tables_default
        and arm_eabi_unwinder.
        * unwind-c.c: Support Arm EABI unwinder.
        * unwind.h: Rename ...
        * unwind-generic.h: ... To this.
        * doc/tm.texi (TARGET_ASM_TTYPE, TARGET_ARM_EABI_UNWINDER): Document.
        (TARGET_UNWID_TABLES_DEFAULT): Document.

        * config/arm/arm-protos.h (arm_output_fn_unwind): Add prototype.
        * config/arm/arm.c (arm_unwind_emit, arm_output_ttype): New functions.
        (TARGET_UNWIND_EMIT, TARGET_ASM_TTYPE, TARGET_ARM_EABI_UNWINDER):
        Define.
        (thumb_pushpop, thumb_output_function_prologue): Output unwinding
        directives.
        (arm_unwind_emit_stm, arm_unwind_emit_set): New functions.
        * config/arm/arm.h (MUST_USE_SJLJ_EXCEPTIONS): Only define when
        !TARGET_UNWIND_INFO.
        (ARM_OUTPUT_FN_UNWIND, ARM_EABI_UNWIND_TABLES): Define.
        * config/arm/bpabi.h (TARGET_UNWIND_INFO): Define.
        * config/arm/elf.h (ASM_DECLARE_FUNCTION_NAME,
        ASM_DECLARE_FUNCTION_SIZE): Use ARM_OUTPUT_FN_UNWIND.
        * config/arm/lib1funcs.asm: Include libunwind.S.
        * config/arm/libgcc-bpabi.ver: Add unwinding routines.
        * config/arm/libunwind.S: New file.
        * config/arm/pr-support.c: New file.
        * config/arm/t-bpabi (LIB1ASMFUNCS): Add _unwind.
        (UNWIND_H, LIB2ADDEH, LIB2ADDEHDEP): Set.
        * config/arm/t-symbian (UNWIND_H, LIB2ADDEH, LIB2ADDEHDEP): Set.
        * config/arm/unwind-arm.c: New file.
        * config/arm/unwind-arm.h: New file.
        * config/i386/t-netware (USER_H): Remove unwind.h.
        * config/ia64/ia64.h (TARGET_UNWIND_TABLES_DEFAULT): Define.

2005-06-28  DJ Delorie  <dj@redhat.com>

        * c-decl.c (pop_scope): Move warning control into warning call.
        (diagnose_mismatched_decls): Likewise.
        (pushdecl): Likewise.
        (start_decl): Likewise.
        (grokparms): Likewise.
        (start_function): Likewise.
        (store_parm_decls_newstyle): Likewise.
        (store_parm_decls_oldstyle): Likewise.
        (finish_function): Likewise.
        (declspecs_add_scspec): Likewise.
        * c-format.c (decode_format_attr): Likewise.
        (maybe_read_dollar_number): Likewise.
        (avoid_dollar_number): Likewise.
        (finish_dollar_format_checking): Likewise.
        (check_format_info): Likewise.
        (check_format_info_main): Likewise.
        (check_format_types): Likewise.
        (format_type_warning): Likewise.
        * c-typeck.c (function_types_compatible_p): Likewise.
        (build_array_ref): Likewise.
        (convert_arguments): Likewise.
        (build_c_cast): Likewise.
        (store_init_value): Likewise.
        (process_init_element): Likewise.
        (c_start_case): Likewise.
        * stor-layout.c (finalize_record_size): Likewise.
        * tree-cfg.c (execute_warn_function_noreturn): Likewise.
        * tree-inline.c (expand_call_inline): Likewise.

2005-06-28  Uros Bizjak  <uros@kss-loka.si>

        PR target/22134
        * config/i386/i386.md (fist<mode>2_with_temp splitter):
        Clobber memory operand, not scratch register.

2005-06-28  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (machine_function): New field has_landing_pad_p.
        (s390_set_has_landing_pad_p, s390_reg_clobbered_rtx,
         s390_regs_ever_clobbered): New functions.
        (s390_return_addr_rtx): Use get_hard_reg_initial_value.
        (s390_register_info, s390_init_frame_layout, s390_update_frame_layout):
        Use s390_regs_ever_clobbered.
        (s390_emit_prologue): Don't use r14 as temp reg if its content is used
        for builtin_return_address.
        * config/s390/s390.md ("exception_receiver"): New expander.
        * config/s390/s390-protos.h (s390_set_has_landing_pad_p): Prototype
        added.

2005-06-28  Andreas Krebbel  <krebbel1@de.ibm.com>

        * except.c (current_function_has_exception_handlers): Function 
        description added and if statements merged.

2005-06-28  Richard Henderson  <rth@redhat.com>

        * config/i386/sse.md (smaxv16qi3): Fix buffer overflow.
        (sminv16qi3, umaxv8hi3, uminv8hi3): Likewise.

2005-06-27  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.c (ia64_expand_vcondu_v2si): Generate proper
        comparison operations.
        (ia64_expand_vecint_minmax): Fix size of xops.
        * config/ia64/vect.md (umax<VECINT>3): Fix fallback pattern typo.
        (vec_shl_<VECINT>, vec_shr_<VECINT>): New.

2005-06-27  Richard Henderson  <rth@redhat.com>

        * tree-vect-transform.c (get_initial_def_for_reduction): Use correct
        type for DEF and INIT_VAL.  Pretend MIN/MAX need epilogue adjustment.

2005-06-27  Richard Henderson  <rth@redhat.com>

        * config/i386/sse.md (vec_shl_<SSEMODEI>, vec_shr_<SSEMODEI>): New.
        (smaxv16qi3, umaxv8hi3, sminv16qi3, uminv8hi3): New.

2005-06-27  Richard Henderson  <rth@redhat.com>

        * tree-vect-transform.c (vect_create_epilog_for_reduction): Remove
        duplicate little-endian adjustment.

2005-06-28  Kelley Cook  <kcook@gcc.gnu.org>

        * doc/include/texinfo.tex: Import from upstream CVS.

2005-06-28  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_remove_node): Do not release function bodies until
        full cgraph is built.
        * cgraph.h (cgraph_decide_inlining_incrementally): Add early argument.
        * cgraphunit.c (cgraph_finalize_function): Update call of
        cgraph_decide_inlining_incrementally.
        (initialize_inline_failed): Break out of ...
        (cgraph_analyze_function): ... here.
        (rebuild_cgraph_edges): New function.
        (pass_rebuild_cgraph_edges): New pass.
        * common.opt (fearly-inlining): New flag.
        * ipa-inline.c: Include ggc.h
        (cgraph_clone_inlined_nodes): Avoid re-using of original copy
        when cgraph is not fully built.
        (cgraph_decide_inlining_incrementally): Add early mode.
        (cgraph_early_inlining): New function.
        (cgraph_gate_early_inlining): Likewise.
        (pass_early_ipa_inline): New pass.
        * ipa.c (cgraph_postorder): NULLify aux pointer.
        * tree-inline.c (expand_call_inline): Avoid warning early.
        * tree-optimize.c (pass_early_local_passes): New.
        (execute_cleanup_cfg_pre_ipa): New.
        (pass_cleanup_cfg): New.
        (register_dump_files): Fix handling subpasses of IPA pass.
        (init_tree_optimization_passes): Add early passes.
        (execute_ipa_pass_list): Fix handling of subpasses of IPA pass.
        * passes.h (pass_early_tree_profile, pass_rebuild_cgraph_edges,
        pass_early_ipa_inline): New passes.
        * tree-profile.c (do_early_tree_profiling, pass_early_tree_profile): New.

        * invoke.texi: Document early-inlining.

2005-06-28  Kelley Cook  <kcook@gcc.gnu.org>

        * doc/include/fdl.texi: Merge in changes from upstream.
        * doc/include/gpl.texi: Likewise.

2005-06-27  Diego Novillo  <dnovillo@redhat.com>

        PR 21959
        * tree-ssa-loop-niter.c (scev_probably_wraps_p): Handle type
        casts between unsigned and signed types with different size
        or precision.

2005-06-28  Jan Hubicka  <jh@suse.cz>

        * tree-optimize.c (exercute_free_datastructures):
        Do not disband implicit edges; do not attempt to build insn list;
        do not free cfg annotations.
        (execute_free_cfg_annotations); Disband implicit edges here;
        free cfg annotations here too.
        (pass_free_cfg_annotations); New pass.
        (init_tree_optimization_passes); Add pass_free_cfg_annotations.
        * tree-ssa-operands.c (free_ssa_operands); Recover; export.
        * tree-ssa-operands.h (free_ssa_operands); declare.
        * tree-ssa.c (delete_tree_ssa); Free SSA operand; mark stmt modified;
        kill PHI nodes.
        * tree-ssanames.c (release_defs): Kill addresses_taken.

        * basic-block.h (basic_block_def): Kill rbi.
        (reorder_block_def): Kill; Remove next field (replaced by aux);
        move other fields to ...
        (rtl_bb_info): ... here.
        * bb-reorder.c (find_traces, rotate_loop, find_traces_1_round,
        copy_bb, connect_traces, add_labels_and_missing_jumps
        fix_up_fall_thru_edges, fix_crossing_conditional_branches,
        duplicate_computed_gotos, partition_hot_cold_basic-blocks):
        Update to new fields.
        * cfg.c (initialize_bb_rbi): Kill.
        * cfglayout.c (record_effective_endpoints, fixup_reorder_chain,
        fixup_fallthru_exit_predecessor, cfg_layout_duplicate_bb): Update.
        * cfgrtl.c (cfg_layout_create_basic_block): Do not initialize rbi.
        (try_redirect_by_replacing_jump): Update rbi references.
        (cfg_layout_split_block): Likewise.
        (cfg_layout_delete_block): Likewise.
        (cfg_layout_merge_blocks): Likewise.
        * function.c (thread_prologue_and_epilogue_insns): Likewise.
        * passes.c (rest_of_handle_sms): Likewise.
        * tracer.c (seen, tail_duplicate, layout_superblocks): Likewise.

2005-06-27  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_file_start): Note PPC405 erratum
        in verbose_asm output.
        * config/rs6000/rs6000.h (PPC405_ERRATUM77): Bracket with
        CONFIG_PPC405CR.
        * config.gcc (powerpc with_which): Define CONFIG_PPC405CR for
        405cr.

2005-06-27  Jakub Jelinek  <jakub@redhat.com>

        * builtin-attrs.def (DEF_ATTR_FOR_INT): Add for 5 and 6.
        (DEF_LIST_INT_INT): Add for 4,0, 4,5, 5,0, 5,6.
        (ATTR_NOTHROW_NONNULL_4, ATTR_NOTHROW_NONNULL_5): Define.
        (ATTR_FORMAT_PRINTF_4_0, ATTR_FORMAT_PRINTF_4_5,
        ATTR_FORMAT_PRINTF_5_0, ATTR_FORMAT_PRINTF_5_6): Define.
        * builtins.c: Include tree-flow.h.
        (expand_builtin_mempcpy, expand_builtin_memmove): Comment fixes.
        (expand_builtin_object_size, expand_builtin_memory_chk,
        maybe_emit_chk_warning, maybe_emit_sprintf_chk_warning,
        compute_object_offset, compute_builtin_object_size,
        fold_builtin_object_size): New functions.
        (expand_builtin): Handle BUILT_IN_OBJECT_SIZE and BUILT_IN_*_CHK.
        (fold_builtin_1): Likewise.  Handle BUILT_IN_{,V}{,F}PRINTF
        and BUILT_IN_{,F}PRINTF_UNLOCKED.
        (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
        fold_builtin_strncpy_chk, fold_builtin_strcat_chk,
        fold_builtin_strncat_chk, fold_builtin_sprintf_chk,
        fold_builtin_snprintf_chk, fold_builtin_printf, fold_builtin_fprintf):
        New functions.
        * builtins.def (BUILT_IN_OBJECT_SIZE, BUILT_IN_MEMCPY_CHK,
        BUILT_IN_MEMMOVE_CHK, BUILT_IN_MEMPCPY_CHK, BUILT_IN_MEMSET_CHK,
        BUILT_IN_STPCPY_CHK, BUILT_IN_STRCAT_CHK, BUILT_IN_STRCPY_CHK,
        BUILT_IN_STRNCAT_CHK, BUILT_IN_STRNCPY_CHK, BUILT_IN_SNPRINTF_CHK,
        BUILT_IN_SPRINTF_CHK, BUILT_IN_VSNPRINTF_CHK, BUILT_IN_VSPRINTF_CHK,
        BUILT_IN_FPRINTF_CHK, BUILT_IN_PRINTF_CHK, BUILT_IN_VFPRINTF_CHK,
        BUILT_IN_VPRINTF_CHK): New builtins.
        * builtin-types.def (DEF_FUNCTION_TYPE_5, DEF_FUNCTION_TYPE_VAR_4):
        Document.
        (BT_FN_SIZE_CONST_PTR_INT, BT_FN_INT_INT_CONST_STRING_VALIST_ARG,
        BT_FN_PTR_PTR_CONST_PTR_SIZE_SIZE, BT_FN_PTR_PTR_INT_SIZE_SIZE,
        BT_FN_STRING_STRING_CONST_STRING_SIZE_SIZE,
        BT_FN_INT_FILEPTR_INT_CONST_STRING_VALIST_ARG,
        BT_FN_INT_STRING_INT_SIZE_CONST_STRING_VALIST_ARG,
        BT_FN_INT_STRING_SIZE_INT_SIZE_CONST_STRING_VALIST_ARG,
        BT_FN_INT_INT_CONST_STRING_VAR, BT_FN_INT_FILEPTR_INT_CONST_STRING_VAR,
        BT_FN_INT_STRING_INT_SIZE_CONST_STRING_VAR,
        BT_FN_INT_STRING_SIZE_INT_SIZE_CONST_STRING_VAR): New types.
        * c-common.c (DEF_FUNCTION_TYPE_5, DEF_FUNCTION_TYPE_6,
        DEF_FUNCTION_TYPE_VAR_4, DEF_FUNCTION_TYPE_VAR_5): Define.
        * Makefile.in (OBJS-common): Add tree-object-size.o.
        (tree-object-size.o): Add dependencies.
        * tree-pass.h (pass_object_sizes): Add.
        * tree-optimize.c (init_tree_optimization_passes): Add
        pass_object_sizes.
        * tree-object-size.c: New file.
        * tree.h (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
        fold_builtin_strncpy_chk, fold_builtin_snprintf_chk,
        compute_builtin_object_size, init_object_sizes, fini_object_sizes):
        New prototypes.
        * tree-ssa-ccp.c (get_strlen): Rename to ...
        (get_maxval_strlen): ...this function.  Handle also computing of maximum
        string length and maximum integral value.
        (ccp_fold_builtin): Handle BUILT_IN_*_CHK.  Use get_maxval_strlen
        instead of get_strlen.  Pass CALLEE and ARGLIST variables to the
        folding functions instead of computing them again.
        (execute_fold_all_builtins): Retry ccp_fold_builtin if a builtin changed
        into some other builtin.
        * doc/extend.texi (Object Size Checking): Document.

        * regrename.c (copy_value): Fix comment.

        * toplev.c (process_options): Use if (FRAME_GROWS_DOWNWARD)
        instead of preprocessor conditionals.

        * targhooks.c (default_hidden_stack_protect_fail): Fall back to
        default_external_stack_protect_fail if visibility is not supported
        or not flag_pic.
        * config/i386/i386.c (ix86_stack_protect_fail): New function.
        (TARGET_STACK_PROTECT_FAIL): Define.
        * config/i386/i386.md (stack_protect_si): Change CLOBBER into
        SET to zero.
        (stack_protect_di): Likewise.  Use %k2 instead of %2 to avoid
        invalid instruction xorl %rax, %rax.

2005-06-27  Richard Henderson  <rth@redhat.com>

        * c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
        * cfgexpand.c: Include params.h.
        (has_protected_decls, has_short_buffer): New.
        (expand_stack_vars): Take a predicate to determine what to expand.
        (defer_stack_allocation): True when flag_stack_protect on.
        (SPCT_HAS_LARGE_CHAR_ARRAY, SPCT_HAS_SMALL_CHAR_ARRAY): New.
        (SPCT_HAS_ARRAY, SPCT_HAS_AGGREGATE): New.
        (stack_protect_classify_type, stack_protect_decl_phase): New.
        (stack_protect_decl_phase_1, stack_protect_decl_phase_2): New.
        (add_stack_protection_conflicts, create_stack_guard): New.
        (expand_used_vars): Add stack protection logic.
        (tree_expand_cfg): Likewise.
        * common.opt (Wstack-protector): New.
        (fstack-protector, fstack-protector-all): New.
        * function.c: Include predict.h.
        (assign_parm_adjust_stack_rtl): Zap stack_parm when stack protect
        wants to copy the parameter into the stack frame.
        (stack_protect_prologue, stack_protect_epilogue): New.
        (expand_function_end): Call stack_protect_epilogue.  Do 
        sjlj_emit_function_exit_after after naked_return_label.
        * function.h (struct function): Add stack_protect_guard.
        * params.def (PARAM_SSP_BUFFER_SIZE): New.
        * toplev.c (process_options): Disable flag_stack_protect and/or
        warn_stack_protect based on FRAME_GROWS_DOWNWARD.
        * tree.h (stack_protect_prologue): Declare.

        * target-def.h (TARGET_STACK_PROTECT_GUARD): New.
        (TARGET_STACK_PROTECT_FAIL): New.
        (TARGET_INITIALIZER): Add them.
        * target.h (struct gcc_target): Add stack_protect_guard and
        stack_protect_fail.
        * targhooks.c: Include ggc.h, gty header.
        (stack_chk_guard_decl, default_stack_protect_guard): New.
        (stack_chk_fail_decl, default_external_stack_protect_fail): New.
        (default_hidden_stack_protect_fail): New.
        * targhooks.h (default_stack_protect_guard): Declare.
        (default_external_stack_protect_fail): Declare.
        (default_hidden_stack_protect_fail): Declare.
        * config/i386/i386.c (TARGET_STACK_PROTECT_FAIL): New.
        * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New.
        (trap): Use ud2.
        (conditional_trap, conditional_trap_1): Remove.
        (stack_protect_set, stack_protect_set_si, stack_protect_set_di): New.
        (stack_protect_test, stack_protect_test_si, stack_protect_test_di): New.
        * doc/md.texi (stack_protect_set, stack_protect_test): New.
        * doc/tm.texi (TARGET_STACK_PROTECT_GUARD): New.
        (TARGET_STACK_PROTECT_FAIL): New.

        * libgcc-std.ver (GCC_4.1.0): New.
        * libgcc.h (__stack_chk_guard): Declare.
        (__stack_chk_fail, __stack_chk_fail_local): Declare.
        * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
        * mklibgcc.in (lib2funcs): Add them.

2005-06-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        PR c/21911
        * c-common.c (check_function_sentinel): Pass in named argument
        list, skip over named arguments before looking for a sentinel.
        (check_function_arguments): Pass in named argument list.
        * c-common.h (check_function_arguments): Likewise.
        * c-typeck.c (build_function_call): Likewise.

2005-06-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * genautomata.c (decl_mode_check_failed,
        regexp_mode_check_failed): Add noreturn attribute.

2005-06-26  Kazu Hirata  <kazu@codesourcery.com>

        * cfg.c, tree-vect-transform.c, tree.def: Fix comment typos.
        * doc/invoke.texi: Fix typos.

        * builtins.c, c-common.c, c-convert.c, c-decl.c, c-typeck.c,
        convert.c, lambda-code.c, predict.c, tree-cfg.c,
        tree-complex.c, tree-data-ref.c, tree-if-conv.c,
        tree-mudflap.c, tree-scalar-evolution.c, tree-ssa-ccp.c,
        tree-ssa-loop-ivcanon.c, tree-ssa-loop-ivopts.c,
        tree-ssa-loop-manip.c, tree-ssa-phiopt.c, tree-ssa-pre.c,
        tree-vect-analyze.c, tree-vect-transform.c, tree-vectorizer.c,
        tree.c: Use fold_buildN instead of fold (buildN (...)).

2005-06-26  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (Specific): Do not specify the concrete
        versions of GCC provided by Cygwin.  Simplify the part on
        building on Cygwin.

2005-06-26  Kazu Hirata  <kazu@codesourcery.com>

        * config/arc/arc-protos.c: Remove the prototype for
        arc_finalize_pic.
        * config/arc/arc.c (arc_finalize_pic): Remove.
        * config/arc/arc.h (FINALIZE_PIC): Likewise.
        * config/bfin/bfin.h (FINALIZE_PIC): Likewise.
        * config/rs6000/rs6000.h (FINALIZE_PIC): Likewise.

2005-06-26  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/17965
        * calls.c (expand_call, emit_library_call_value_1): Use xmalloc/free
        instead of alloca for really big argument sizes.

        PR middle-end/22028
        * gimplify.c (gimplify_type_sizes): Check for type == error_mark_node
        earlier in the function.

        * regrename.c (copy_value): Don't replace fixed or global
        regs with older regs.

        * defaults.h (FRAME_GROWS_DOWNWARD): Define to 0 if not defined.
        * function.c (get_func_frame_size): Use if (FRAME_GROWS_DOWNWARD)
        instead of preprocessor conditionals.
        (assign_stack_local_1, assign_stack_temp_for_type): Likewise.
        * cfgexpand.c (FRAME_GROWS_DOWNWARD): Don't redefine to 1 or 0
        depending on if it was or was not defined previously.
        * doc/rtl.texi (VIRTUAL_STACK_VARS_REGNUM): Mention that only non-zero
        definition of FRAME_GROWS_DOWNWARD means frame grows downward.
        * doc/tm.texi (FRAME_GROWS_DOWNWARD): Likewise.
        * config/m68hc11/m68hc11.h (FRAME_GROWS_DOWNWARD): Define to 0.  Update
        comment.
        * config/pa/pa.h (FRAME_GROWS_DOWNWARD): Likewise.
        * config/rs6000/rs6000.h (FRAME_GROWS_DOWNWARD): Likewise.
        * config/stormy16/stormy16.h (FRAME_GROWS_DOWNWARD): Define to 0.
        * config/c4x/c4x.h (FRAME_GROWS_DOWNWARD): Likewise.
        * config/sh/sh.h (FRAME_GROWS_DOWNWARD): Likewise.
        * config/ia64/ia64.h (FRAME_GROWS_DOWNWARD): Likewise.
        * config/iq2000/iq2000.h (FRAME_GROWS_DOWNWARD): Likewise.
        * config/pdp11/pdp11.h (FRAME_GROWS_DOWNWARD): Define to 1.  Update
        comment.
        * config/i860/i860.h (FRAME_GROWS_DOWNWARD): Likewise.
        * config/h8300/h8300.h (FRAME_GROWS_DOWNWARD): Likewise.
        * config/arc/arc.h (FRAME_GROWS_DOWNWARD): Likewise.
        * config/vax/vax.h (FRAME_GROWS_DOWNWARD): Likewise.
        * config/sparc/sparc.h (FRAME_GROWS_DOWNWARD): Likewise.
        * config/i386/i386.h (FRAME_GROWS_DOWNWARD): Likewise.
        * config/fr30/fr30.h (FRAME_GROWS_DOWNWARD): Likewise.
        * config/frv/frv.h (FRAME_GROWS_DOWNWARD): Likewise.
        * config/mn10300/mn10300.h (FRAME_GROWS_DOWNWARD): Likewise.
        * config/bfin/bfin.h (FRAME_GROWS_DOWNWARD): Likewise.
        * config/ns32k/ns32k.h (FRAME_GROWS_DOWNWARD): Likewise.
        * config/v850/v850.h (FRAME_GROWS_DOWNWARD): Likewise.
        * config/alpha/alpha.h (FRAME_GROWS_DOWNWARD): Update comment.
        * config/s390/s390.h (FRAME_GROWS_DOWNWARD): Likewise.
        * config/arm/arm.h (FRAME_GROWS_DOWNWARD): Likewise.
        * config/alpha/unicosmk.h (FRAME_GROWS_DOWNWARD): Define to 1.
        * config/cris/cris.h (FRAME_GROWS_DOWNWARD): Likewise.
        * config/m68k/m68k.h (FRAME_GROWS_DOWNWARD): Likewise.
        * config/mmix/mmix.h (FRAME_GROWS_DOWNWARD): Likewise.

2005-06-26  Kazu Hirata  <kazu@codesourcery.com>

        PR tree-optimization/22026
        * tree-vrp.c (extract_range_from_binary_expr): Drop to
        VR_VARYING if a binary expression involving VR_ANTI_RANGE is
        PLUS_EXPR, MINUS_EXPR, or unsigned MULT_EXPR.

2005-06-26  Kazu Hirata  <kazu@codesourcery.com>

        * Makefile.in (OBJS-common): Remove duplicate object file
        names.

2005-06-25  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Update profile.
        * cfg.c (update_bb_profile_for_threading): Fix rescaling.

        * passes.c (rest_of_handle_branch_prob): Do not rebuild profiling info
        when not neecesary
        (rest_of_compilation): Fix conditional on branch prob pass.
        * predict.c (tree_estimate_probability): Enable strip_builtin_expect
        when not loop optimizing.

2005-06-25  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.md (ror_one, rol_one, ashrdi3, ashldi3, lshrdi3):
        New patterns.
        (movbi): Add alternative to set CC to zero.
        (compare_eq, compare_ne, compare_le, compare_lt, compare_leu,
        compare_ltu): Now named patterns.

2005-06-25  Kelley Cook  <kcook@gcc.gnu.org>

        * all files: Update FSF address in copyright headers.

2005-06-25  Kelley Cook  <kcook@gcc.gnu.org>

        * gengtype.c: Update FSF address in copyright header.
        (create_file): Update FSF in outputed copyright header.

2005-06-24  Kazu Hirata  <kazu@codesourcery.com>

        * cfglayout.c (block_locators_locs, line_locators_locs,
        line_locators_lines, file_locators_locs): Change the type to
        VEC(int,heap)*.
        (insn_locators_initialize, change_scope, insn_scope,
        locator_line, insn_line, locator_file): Use VEC instead of
        VARRAY.

2005-06-24  Jason Merrill  <jason@redhat.com>

        * tree-nrv.c (tree_nrv): Fix to check assignments to the
        RESULT_DECL rather than just RETURN_EXPRs.
        (finalize_nrv_r): Adjust.

2005-06-24  Jan Hubicka  <jh@suse.cz>

        * tree-optimize.c (init_tree_optimization_passes): Fix flags of
        all_passes and all_ipa_passes.

        * c-common.c: Include cgraph.h
        (handle_externally_visible_attribute): New function.
        (c_common_att): Add "externally_visible" attribute.
        * cgraph.c (decide_is_variable_needed): Obey externally
        visible flag.
        (cgraph_varpool_finalize_decl): Avoid redundant checking.
        * cgraph.h (struct cgraph_node): New flag externally_visible.
        (decide_is_function_needed): Obey externally visible flag.
        (cgraph_finalize_function): Avoid redundant checks.
        (cgraph_function_and_variable_visibility): Bring symbols local
        when asked for.
        * common.opt (fwhole-program): New flag.

        * doc/invoke.texi (-fwhole-program): Document.

2005-06-24  Mark Mitchell  <mark@codesourcery.com>

        PR 22171
        * tree-ssa-operands.c (get_expr_operands): Check s_ann for NULL
        before use.

2005-06-23  Mark Mitchell  <mark@codesourcery.com>

        PR 22000
        * tree-ssa-operands.c (get_expr_operands): Check the volatility of
        the FIELD_DECL and set s_ann->has_volatile_ops accordingly.

2005-06-24  Jan Hubicka  <jh@suse.cz>

        * opts.c (decode_options): Enable unit-at-a-time by default at -O1.

2005-06-23  Jeff Law  <law@redhat.com>

        * tree-optimize.c (init_tree_optimization_passes): Move
        copy prop pass to run just before VRP.
        * tree-vrp.c (remove_range_assertions): Remove copies created
        by ASSERT_EXPR removal.

2005-06-23  Kazu Hirata  <kazu@codesourcery.com>

        PR tree-optimization/22117
        * tree-vrp.c (extract_range_from_binary_expr): Compute a
        correct range when adding two pointers.

2005-06-23  Jason Merrill  <jason@redhat.com>

        PR c++/19317
        Leave the return slot target in the MODIFY_EXPR rather than making
        it an argument, but only use it if the CALL_EXPR has a flag set.
        * tree.h (CALL_EXPR_HAS_RETURN_SLOT_ADDR): Rename to
        CALL_EXPR_RETURN_SLOT_OPT.
        * calls.c (expand_call): Adjust.
        * tree-inline.c (expand_call_inline): Adjust.
        * tree-pretty-print.c (dump_generic_node): Adjust.

        And set the flag as appropriate.
        * gimplify.c (gimplify_modify_expr_rhs): Set
        CALL_EXPR_HAS_RETURN_SLOT_ADDR where the LHS is obviously safe.
        * tree-nrv.c (execute_return_slot_opt): Set
        CALL_EXPR_HAS_RETURN_SLOT_ADDR based on escape analysis.
        * tree-pass.h: Declare pass_return_slot.
        * tree-optimize.c (init_tree_optimization_passes): Add it.
        
2005-06-23  David Edelsohn  <edelsohn@gnu.org>

        PR target/21760
        * config/rs6000/rs6000.h (PPC405_ERRATUM77): New.
        * config/rs6000/rs6000.md: Move atomic instructions to ...
        * config/rs6000/sync.md: Here.
        Change sync_compare_and_swap<mode> to define_expand.  All stwcx
        patterns test PPC405_ERRATUM77.

2005-06-23  Jan Hubicka  <jh@suse.cz>
        
        * tree-inline.c (copy_body_r): Remap labels correctly.

2005-06-22  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/sysv4.h (TARGET_ASM_EXCEPTION_SECTION): Delete.

2005-06-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        PR middle-end/20593
        * varasm.c (compute_reloc_for_constant): Treat VIEW_CONVER_EXPR
        the same as the other cast operands.
        (output_addressed_constants): Likewise.

2005-06-21  Jeff Law  <law@redhat.com>

        * tree-vrp.c (extract_range_from_unary_expr): Handle type
        conversions better.

2005-06-21  Dorit Nuzman  <dorit@il.ibm.com>

        * genopinit.c (vec_shl_optab, vec_shr_optab): Initialize new optabs.
        (reduc_plus_optab): Removed.  Replcaed with...
        (reduc_splus_optab, reduc_uplus_optab): Initialize new optabs.
        * optabs.c (optab_for_tree_code): Return reduc_splus_optab or
        reduc_uplus_optab instead of reduc_plus_optab.
        (expand_vec_shift_expr): New function.
        (init_optabs): Initialize new optabs. Remove initialization of
        reduc_plus_optab.
        (optab_for_tree_code): Return vec_shl_optab/vec_shr_optab
        for VEC_LSHIFT_EXPR/VEC_RSHIFT_EXPR.
        * optabs.h (OTI_reduc_plus): Removed. Replaced with...
        (OTI_reduc_splus, OTI_reduc_uplus): New.
        (reduc_plus_optab): Removed.  Replcaed with...
        (reduc_splus_optab, reduc_uplus_optab): New optabs.
        (vec_shl_optab, vec_shr_optab): New optabs.
        (expand_vec_shift_expr): New function declaration.

        * tree.def (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR): New tree-codes.
        * tree-inline.c (estimate_num_insns_1): Handle new tree-codes.
        * expr.c (expand_expr_real_1): Handle new tree-codes.
        * tree-pretty-print.c (dump_generic_node, op_symbol, op_prio): Likewise.
        * tree-vect-generic.c (expand_vector_operations_1): Add assert.

        * tree-vect-transform.c (vect_create_epilog_for_reduction): Add two
        alternatives for generating reduction epilog code.
        (vectorizable_reduction): Don't fail of direct reduction support is
        not available.
        (vectorizable_target_reduction_pattern): Likewise.

        * config/rs6000/altivec.md (reduc_smax_v4si, reduc_smax_v4sf,
        reduc_umax_v4si, reduc_smin_v4si, reduc_smin_v4sf, reduc_umin_v4si,
        reduc_plus_v4si, reduc_plus_v4sf): Removed.
        (vec_shl_<mode>, vec_shr_<mode>, altivec_vsumsws_nomode,
        reduc_splus_<mode>, reduc_uplus_v16qi): New.

2005-06-20  Daniel Berlin  <dberlin@dberlin.org>

        * c-typeck.c (build_function_call): Set fundecl = function again.
        * tree-ssa-alias.c (find_used_portions): Address taking causes the
        entire variable to be used.
        * tree-ssa-structalias.c (do_structure_copy): Fix handling of
        unknown size variables, and structure copies from addressof
        operations.  Simplify how we do *a = *b type structure copies.
        (init_base_vars): Add ANYTHING = &ANYTHING constraint the right
        way.  READONLY's address is not taken by default.
        INTEGER dereference should point to anything.
        (create_variable_info_for): It's okay for the first field to not start
        at 0.

2005-06-20  Kaz Kojima  <kkojima@gcc.gnu.org>

        config/sh/linux.h (FUNCTION_PROFILER): Constify a char*.

2005-06-20  Roger Sayle  <roger@eyesopen.com>
2005-06-20  Fariborz Jahanian <fjahanian@apple.com>

        * combine.c (simplify_set): Simplify setting of CC register
        by removing redundant compare with 0 on RHS.

2005-06-20  Jan Beulich  <jbeulich@novell.com>

        * config/i386/netware-libgcc.def: Update copyright.
        * config/i386/netware-libgcc.exp (__divdc3, __divsc3, __divxc3,
        __muldc3, __mulsc3, __mulxc3, __powidf2, __powisf2, __powixf2): Add.
        * config/i386/netware.c (gen_stdcall_decoration,
        gen_fastd_decoration): Merge into ...
        (gen_stdcall_or_fastcall_decoration): ... this. Adjust to match
        WinNT's changes.
        (gen_regparm_prefix): Adjust to match i386_nlm_encode_section_info.
        (i386_nlm_encode_section_info): Adjust to match WinNT's changes.
        * config/i386/t-nwld (SHLIB_LINK): Also create libgcc.imp alias of
        libgcc_s.imp. Use 'expr' rather than $(()) shell expressions.
        * gthr-nks.h (__gthread_objc_mutex_allocate): Kill another dubious
        use of NX_MUTEX_RECURSIVE.

2005-06-19  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (swap_tree_comparison): Add support for unordered
        floating point comparisons.
        * tree-vrp.c (opposite_comparison): Delete.
        (extract_range_from_assert): Replace calls to opposite_comparison
        with calls to swap_tree_comparison.
        (register_edge_assert_for): Likewise.
        (vrp_evaluate_conditional): Likewise.

2005-06-20  Kaz Kojima  <kkojima@gcc.gnu.org>

        * integrate.c (allocate_initial_values): Update the references
        to global_live_at_start and global_live_at_end.

2005-06-20  Jan Hubicka  <jh@suse.cz>

        * cfgloop.h (DLTHE_RECORD_COPY_NUMBER): New flag.
        * cfgloopmanip.c (duplicate_loop_to_header_edge): Set aux flags only
        when asked for.
        * loop-unroll.c (peel_loop_completely, unroll_loop_constant_iterations,
        unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
        Update call of duplicate_loop_to_header_edge.
        (apply_opt_in_copies): Clear out aux pointers.

2005-06-19  Joseph S. Myers  <joseph@codesourcery.com>

        * config/i386/i386.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
        (ix86_mangle_fundamental_type): New.
        * config/ia64/ia64.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
        (ia64_mangle_fundamental_type): New.

2005-06-19  Roger Sayle  <roger@eyesopen.com>

        * c-decl.c (grokdeclarator): Only check TREE_OVERFLOW on
        INTEGER_CST nodes.
        * c-typeck.c (build_c_cast): Only preserve TREE_OVERFLOW on
        CONSTANT_CLASS_P nodes.

2005-06-19  Richard Henderson  <rth@redhat.com>

        * config/ia64/vect.md (vec_extractv2sf_1): Fix cut-and-paste error;
        the shift is always required.

2005-06-19  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64-modes.def (V4SF): Add.
        * config/ia64/ia64.c (ia64_legitimate_constant_p): Handle CONST_VECTOR.
        * config/ia64/ia64.h (CANNOT_CHANGE_MODE_CLASS): Allow vector to 
        integer mode changes in fp regs.
        * config/ia64/ia64.md (UNSPEC_VECT_EXTR): New.
        * config/ia64/vect.md (smaxv2sf3, sminv2sf3): Fix typos in names.
        (reduc_plus_v2sf, reduc_smax_v2sf, reduc_smin_v2sf): New.
        (vcondv2sf): Use gen_fpack
        (fpack): Remove * from name.
        (fswap, fmix_l, fmix_r, fmix_lr): New.
        (vec_setv2sf, vec_extractv2sf_0_le, vec_extractv2sf_0_be): New.
        (vec_extractv2sf_1, vec_extractv2sf): New.

2005-06-19  Andreas Krebbel  <krebbel1@de.ibm.com>

        * combine.c (make_compound_operation): Use simplify_subreg.  Delete
        a optimization already done by simplify_subreg.

2005-06-19  Ulrich Weigand  <uweigand@de.ibm.com>

        * loop.c (scan_loop): Do not consider insns setting the frame
        pointer to be candidates for hoisting.

2005-06-19  Uros Bizjak  <uros@kss-loka.si>

        * config/i386/i386.md (*cmpfp_0_sf, *cmpfp_0_df, cmpfp_0_xf):
        Remove instruction patterns.
        (*cmpfp_0): New instruction pattern. Set "unit" attribute to "i387".
        (*cmpfp_sf, *cmpfp_df, *cmpfp_xf, *cmpfp_u, *_cmpfp_<mode>):
        Set "unit" attribute to "i387".
        (*pushsf, *pushsf_rex64, *pushdf_nointeger, *pushdf_integer)
        (*pushxf_nointeger, *pushxf_integer): Set "unit" attribute to "i387"
        for alternative 0.
        (*truncdfsf_mixed, *truncdfsf_i387, *truncxfsf2_mixed)
        (*truncxfsf2_i387, *truncxfdf2_mixed, *truncxfdf2_i387): Set "unit"
        attribute to "i387" when "type" attribute equals "multi".
        (*floathisf2_i387, *floatsisf2_mixed, *floatsisf2_i387)
        (*floatdisf2_mixed, *floatdisf2_i387, *floathidf2_i387)
        (*floatsidf2_mixed, *floatsidf2_i387, *floatdidf2_mixed)
        (*floatdidf2_i387, floathixf2, floatsixf2, floatdixf2): Set "unit"
        attribute to "i387" when "type" attribute equals "multi".
        * config/i386/mmx.md (*mov<mode>_internal_rex64)
        (*mov<mode>_internal, *movv2sf_internal_rex64, *movv2sf_internal):
        Set "unit" attribute to "mmx" when "type" attribute equals "ssecvt".
        (mmx_pmovmskb): Correct wrong "type" and "mode" attributes.
        * config/i386/sse.md (sse_cvtps2pi, sse_cvttps2pi, sse_cvtpd2di)
        (sse_cvttpd2pi): Set "unit" attribute to "mmx".
        (sse2_cvtpi2pd): Split register constraints. Set "unit" attribute
        to "mmx" for "y" operand 1.

2005-06-19  Uros Bizjak  <uros@kss-loka.si>

        * config/i386/i386.c (ix86_function_arg_regno_p): Add MMX_REGNO_P
        for TARGET_MMX.  Use MMX_REGPARM_MAX and SSE_REGPARM_MAX for MMX
        and SSE registers to determine if regno is valid.
        (ix86_function_value_regno_p): Depend FIRST_FLOAT_REG on
        TARGET_FLOAT_RETURNS_IN_80387 also for TARGET_64BIT. Clean up.

2005-06-18  Richard Henderson  <rth@redhat.com>

        * tree-complex.c (init_dont_simulate_again): Clear DONT_SIMULATE_AGAIN
        for control-altering statements; set it again for returns.
        (complex_visit_stmt): Return SSA_PROP_VARYING for stmts that are
        not MODIFY_EXPR.

2005-06-18  Richard Henderson  <rth@redhat.com>

        PR tree-opt/22116
        * tree-ssa-pre.c (create_expression_by_pieces): Set
        DECL_COMPLEX_GIMPLE_REG_P.
        (insert_into_preds_of_block): Likewise.

2005-06-18  Steven Bosscher  <stevenb@suse.de>

        * Makefile.in: Fix tree-cfgcleanup.c dependencies.

2005-06-18  Richard Henderson  <rth@redhat.com>

        * expr.c (store_constructor): Use store of 0 to indicate value
        death instead of a clobber.

        * config/i386/i386.c (ix86_expand_reduc_v4sf): New.
        * config/i386/i386-protos.h (ix86_expand_reduc_v4sf): Declare.
        * config/i386/sse.md (reduc_plus_v4sf): New.
        (reduc_smax_v4sf, reduc_smin_v4sf): New.

2005-06-18  James A. Morrison  <phython@gcc.gnu.org>

        * fold_const (fold_binary): Fold X % (2**N) to X & (2**N - 1) for
        nonnegative values of X.

2005-06-18  Uros Bizjak  <uros@kss-loka.si>

        * doc/md.texi (Standard Names): Change insn pattern name
        from truncM2 to btruncM2 for 'trunc' built-in description.
        Add rintM2 insn pattern description.

2005-06-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * c-decl.c (locate_old_decl): Add format attribute.
        (implicit_decl_warning): Likewise.

        * diagnostic.h (verbatim): Move ...
        * toplev.h (verbatim): ... here.  Add ATTRIBUTE_GCC_DIAG.
        * pretty-print.h (pp_verbatim): Add ATTRIBUTE_GCC_PPDIAG.

2005-06-18  Roger Sayle  <roger@eyesopen.com>

        PR target/22083
        * config/rs6000/aix51.h (TARGET_C99_FUNCTIONS): Remove definition.

2005-06-18  Dorit Nuzman  <dorit@il.ibm.com>

        * tree.def (REDUC_MAX_EXPR, REDUC_MIN_EXPR, REDUC_PLUS_EXPR): New
        tree-codes.
        * optabs.h (OTI_reduc_smax, OTI_reduc_umax, OTI_reduc_smin,
        OTI_reduc_umin, OTI_reduc_plus): New optabs for reduction. 
        (reduc_smax_optab, reduc_umax_optab, reduc_smin_optab, reduc_umin_optab,
        reduc_plus_optab): New optabs for reduction.
        * expr.c (expand_expr_real_1): Handle new tree-codes.
        * tree-inline.c (estimate_num_insns_1): Handle new tree-codes.
        * tree-pretty-print.c (dump_generic_node, op_prio, op_symbol): Handle
        new tree-codes.
        * optabs.c (optab_for_tree_code): Handle new tree-codes.
        (init_optabs): Initialize new optabs.
        * genopinit.c (optabs): Define handlers for new optabs. 

        * tree-vect-analyze.c (vect_analyze_operations): Fail vectorization in
        case of a phi that is marked as relevant. Call vectorizable_reduction.
        (vect_mark_relevant): Phis may be marked as relevant.
        (vect_mark_stmts_to_be_vectorized): The use corresponding to the 
        reduction variable in a reduction stmt does not mark its defining phi
        as relevant. Update documentation accordingly.
        (vect_can_advance_ivs_p): Skip reduction phis.
        * tree-vect-transform.c (vect_get_vec_def_for_operand): Takes
        additional argument. Handle reduction.
        (vect_create_destination_var): Update call to vect_get_new_vect_var.
        Handle non-vector argument.
        (get_initial_def_for_reduction): New function.
        (vect_create_epilog_for_reduction): New function. 
        (vectorizable_reduction): New function.
        (vect_get_new_vect_var): Handle new vect_var_kind.       
        (vectorizable_assignment, vectorizable_operation, vectorizable_store,
        vectorizable_condition): Update call to vect_get_new_vect_var.
        (vect_transform_stmt): Call vectorizable_reduction.
        (vect_update_ivs_after_vectorizer): Skip reduction phis.
        (vect_transform_loop): Skip if stmt is both not relevant and not live.
        * tree-vectorizer.c (reduction_code_for_scalar_code): New function.
        (vect_is_simple_reduction): Was empty - added implementation.
        * tree-vectorizer.h (vect_scalar_var): New enum vect_var_kind value.
        (reduc_vec_info_type): New enum vect_def_type value.
        * config/rs6000/altivec.md (reduc_smax_v4si, reduc_smax_v4sf,
        reduc_umax_v4si, reduc_smin_v4si, reduc_umin_v4sf, reduc_smin_v4sf,
        reduc_plus_v4si, reduc_plus_v4sf): New define_expands.

        * tree-vect-analyze.c (vect_determine_vectorization_factor): Remove
        ENABLE_CHECKING around gcc_assert.
        * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
        (vect_do_peeling_for_alignment, vect_transform_loop, 
        vect_get_vec_def_for_operand): Likewise.

2005-06-18  Joseph S. Myers  <joseph@codesourcery.com>

        * config/ia64/ia64.c (ia64_function_arg): Set up a PARALLEL for a
        big-endian unnamed __float80 value.

2005-06-18  Richard Henderson  <rth@redhat.com>

        PR tree-opt/22103
        * tree-sra.c (generate_copy_inout): Handle SSA_NAME complex
        destinations.

2005-06-17  Richard Henderson  <rth@redhat.com>

        * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Use
        initialize_original_copy_tables and free_original_copy_tables.
        (vect_do_peeling_for_alignment): Likewise.

2005-06-17  Pat Haugen  <pthaugen@us.ibm.com>

        * bb-reorder.c (find_traces_1_round): Use succ block frequency
        instead of edge frequency for calls to better_edge_p.

2005-06-17  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/22105
        * tree-ssa-loop-im.c (for_each_index): Handle COMPLEX_CST.

2005-06-17  Steve Ellcey  <sje@cup.hp.com>

        PR target/19889
        * config/ia64/hpux.h (FUNCTION_PROFILER): New (dummy).
        (PROFILE_HOOK): New.
        (PROFILE_BEFORE_PROLOGUE): Undef.
        (NO_PROFILE_COUNTERS): New.
        * config/ia64/ia64-protos.h (ia64_profile_hook): New.
        * config/ia64/ia64.c (ia64_compute_frame_size): Add ifdef.
        (gen_mcount_func_rtx): New.
        (ia64_profile_hook): New.
        * config/ia64/ia64.md (ip_value): New.

2005-06-17  Devang Patel  <dpatel@apple.com>

        * config/rs6000/predicates.md (s5bit_cint_operand,
        u5bit_cint_operand): New.
        * config/rs6000/altivec.md (altivec_vspltb, altivec_vsplth,
        altivec_vspltisw_v4sf): Use new 5 bit constant operand predicates.
        * config/rs6000/rs6000.c (rs6000_expand_unop_builtin): Fix signed
        5 bit constant check.
        
2005-06-17  Richard Henderson  <rth@redhat.com>

        * local-alloc.c (update_equiv_regs): Update reg_equiv_init
        properly when moving an initialization insn.

2005-06-17  Paolo Bonzini  <bonzini@gnu.org>

        * aclocal.m4 (gcc_AC_CHECK_TOOL): Do not overwrite the
        passed variable.
        * configure.ac: Regenerate.

2005-06-17  Jan Hubicka  <jh@suse.cz>

        * tree-optimize.c (execute_ipa_pass_list): New.
        (ipa_passes): Use it.

2005-06-16  Richard Henderson  <rth@redhat.com>

        PR tree-opt/22022
        * tree-complex.c (update_phi_components): Avoid no-op moves.

2005-06-16  Joseph S. Myers  <joseph@codesourcery.com>

        * Makefile.in (cc1-checksum.c): Use
        build/genchecksum$(build_exeext), not build/genchecksum$(exeext).

2005-06-16  Geoffrey Keating  <geoffk@apple.com>

        * gengtype.c (adjust_field_rtx_def): Don't add a skip to
        basic_block types.

        * config/t-slibgcc-darwin (SHLIB_SOVERSION): Rename from
        SHLIB_MINOR.
        (SHLIB_REVISION): Delete.
        (SHLIB_VERSTRING): Update to compensate.
        (SHLIB_SONAME): Just use one '.' in the name.

2005-06-16  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR tree-optimization/22018
        * tree-vrp.c (vrp_int_const_binop): Overhaul handling of overflow.

2005-06-16  Richard Henderson  <rth@redhat.com>

        PR tree-opt/22035
        * builtins.c (fold_builtin_complex_mul): Remove.
        (fold_builtin_complex_div): Remove.
        (fold_builtin_1): Don't call them.
        * fold-const.c (fold_complex_add, fold_complex_mult_parts,
        fold_complex_mult, fold_complex_div_parts, fold_complex_div): Remove.
        (fold_binary): Don't call them.  Don't expand complex comparisons to
        elementary comparisons.
        * tree-complex.c (init_dont_simulate_again): Enhance search for 
        stmts that require decomposition.
        (complex_visit_stmt): Handle RETURN_EXPR properly.
        (create_components): Handle no referenced variables properly.
        * tree.h (fold_complex_mult_parts): Remove.
        (fold_complex_div_parts): Remove.

2005-06-16  Richard Guenther  <rguenth@gcc.gnu.org>

        * doc/extend.texi: Document sseregparm target attribute.
        Clarify fastcall and regparm documentation.
        * config/i386/i386.h: Adjust float_in_sse documentation.
        * config/i386/i386.c: Add new target attribute sseregparm.
        (ix86_handle_cdecl_attribute, ix86_handle_regparm_attribute):
        Merge into ...
        (ix86_handle_cconv_attribute): ... here.  Also handle
        sseregparm attribute.
        (ix86_comp_type_attributes): Compare sseregparm attributes.
        (ix86_function_sseregparm): New function, split out from ...
        (init_cumulative_args): ... here.  Use to decide use
        of SSE registers and error in case of missing support.
        (ix86_value_regno): Likewise.
        (function_arg_advance): Do not bail out for DFmode if we need
        to pass doubles in registers.
        (function_arg): Likewise.

2005-06-16  Paolo Bonzini  <bonzini@gnu.org>
            Daniel Jacobowitz  <dan@codesourcery.com>
            Alan Modra <amodra.bigpond.net.au>

        * configure.ac (gcc_version): Set near the beginning.
        (as, ld, nm): Do not link in-tree tools.  Set gcc_cv_* if tools are
        found in the tree.  Use gcc_AC_PROG to find the tools in the system.
        (objdump): Do not look for it.
        * Makefile.in (NM_FOR_TARGET): Point to ./nm
        (ORIGINAL_AS_FOR_TARGET, ORIGINAL_LD_FOR_TARGET,
        ORIGINAL_NM_FOR_TARGET): Substitute from autoconf.
        (as, ld, nm): New rules.
        (libgcc.mk): Depend on them.
        * aclocal.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL,
        gcc_AC_BUILD_EXEEXT): New.
        (gcc_AC_CHECK_PROG_VER): Use gcc_AC_BUILD_EXEEXT.
        * configure: Regenerate.

2005-06-16  Jan Hubicka  <jh@suse.cz>

        * basic-block.h (rtl_bb_info): Break out head_, end_,
        global_live_at_start, global_live_at_end from ...
        (basic_block_def): ... here; update all references
        (BB_RTL): New flag.
        (init_rtl_bb_info): Declare.
        * cfgexpand.c (expand_gimple_basic_block): Init bb info, set BB_RTL
        flag.
        * cfgrtl.c: Include ggc.h
        (create_basic_block_structure): Init bb info.
        (rtl_verify_flow_info_1): Check BB_RTL flag and rtl_bb_info pointer.
        (init_rtl_bb_info): New function.
        (rtl_merge_block, cfglayout_merge_block): Copy global_live_at_end here.
        * cfghooks.c (merge_block): Do not copy global_live_at_end here.
        * cfg.c (clear_bb_flags): Skip BB_RTL flag.
        (dump_flow_info): Gueard global_live_* dumping.

        * Makefile.in (cfg.o): Add new dependencies.
        * basic-block.h (reorder_block_def): Kill
        original/copy/duplicated/copy_number fields.
        (BB_DUPLICATED): New flag.
        (initialize_original_copy_tables, free_original_copy_tables,
        set_bb_original, get_bb_original, set_bb_copy, get_bb_copy): New.
        * cfg.c: Include hashtab.h and alloc-pool.h
        (bb_original, bb_copy, original_copy_bb_pool): New static vars.
        (htab_bb_copy_original_entry): New struct.
        (bb_copy_original_hash, bb_copy_original_eq): New static functions.
        (initialize_original_copy_tables, free_original_copy_tables,
        set_bb_original, get_bb_original, set_bb_copy, get_bb_copy): New
        global functions.
        * cfghooks.c (duplicate_block): Update original/copy handling.
        * cfglayout.c (fixup_reorder_chain): Likewise.
        (cfg_layout_initialize): Initialize orignal_copy tables.
        (cfg_layout_finalize): FInalize original_copy tables.
        (can_copy_bbs_p): Use BB_DUPLICATED flag.
        (copy_bbs): Likewise.
        * cfgloopmanip.c (update-single_exits_after_duplication): Likewise.
        (duplicate_loop_to_header_edge): Likewise; update handling of
        copy_number.
        (loop_version): Likewise.
        * dominance.c (get_dominated_by_region): Use BB_DUPLICATED_FLAG.
        * except.c (expand_resx_expr): Check that reg->resume is not set.
        * loop-unroll.c (unroll_loop_constant_iterations,
        unroll_loop_runtime_iterations, apply_opt_in_copies): Update
        copy/original handling.
        * loop-unwitch.c (unswitch_loop): Likewise.
        * tree-cfg.c (create_bb): Do not initialize RBI.
        (disband_implicit_edges): Do not kill RBI.
        (add_phi_args_after_copy_bb): Use new original/copy mapping.
        (add_phi_args_after_copy): Use BB_DUPLICATED flag.
        (tree_duplicate_sese_region): Update original/copy handling.
        * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
        * tree-ssa-loop-manip.c (copy_phi_node_args): Likewise.
        * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Likewise.

2005-06-15  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/21923
        * tree-ssa.c (tree_ssa_useless_type_conversion_1): Conversions between
        integer types whos ranges are different are not useless.

2005-06-15  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/22024
        * tree-ssa-reassoc.c (init_reassoc): Also give chain decl a distint
        rank.

2005-06-15  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa-structalias.c (dump_solution_for_var): Reformat
        output.
        (dump_sa_points_to_info): Make extern.
        (debug_sa_points_to_info): New.
        * tree-ssa-structalias.h (TREE_SSA_STRUCTALIAS_H): Rename from
        TREE_ALIAS_COMMON.
        (dump_sa_points_to_info): Declare.
        (debug_sa_points_to_info): Declare.

2005-06-15  Joseph S. Myers  <joseph@codesourcery.com>

        * c-tree.h (default_function_array_conversion): Declare.
        * c-typeck.c (default_function_array_conversion): Export.  Correct
        comment.
        (default_conversion): Do not call
        default_function_array_conversion.  Do not allow FUNCTION_TYPE.
        (build_function_call): Call default_function_array_conversion on
        the function.
        (convert_arguments): Do not call it on the function arguments.
        (build_unary_op): Do not allow ARRAY_TYPE or FUNCTION_TYPE for
        TRUTH_NOT_EXPR.  Call default_function_array_conversion for taking
        address of ARRAY_REF.
        (build_compound_expr): Do not call
        default_function_array_conversion.
        (build_c_cast): Do not call default_function_array_conversion.
        (convert_for_assignment): Do not call default_conversion.
        (digest_init): Call default_function_array_conversion to convert
        string constants and compound literals to pointers, but not
        otherwise.
        (output_init_element): Likewise.
        (build_asm_expr): Do not call default_function_array_conversion.
        (c_process_expr_stmt): Likewise.
        (c_objc_common_truthvalue_conversion): Likewise.  Do not allow
        FUNCTION_TYPE.
        * c-parser.c (c_parser_expression_conv): New.
        (c_parser_asm_operands, c_parser_expr_list): Add convert_p
        argument.  All callers changed.  Call
        default_function_array_conversion if convert_p.
        (c_parser_initializer, c_parser_initval): Call
        default_function_array_conversion except for string constants and
        compound literals.
        (c_parser_initelt): Call default_function_array_conversion for
        ObjC expression received.
        (c_parser_statement_after_labels): Call c_parser_expression_conv
        for return and expression statements.
        (c_parser_paren_condition, c_parser_for_statement,
        c_parser_conditional_expression): Call c_parser_expression_conv.
        (c_parser_expr_no_commas, c_parser_conditional_expression,
        c_parser_binary_expression, c_parser_cast_expression,
        c_parser_unary_expression): Call
        default_function_array_conversion.

2005-06-15  Diego Novillo  <dnovillo@redhat.com>

        * tree-vrp.c (vrp_int_const_binop): Do not handle MAX_EXPR
        when the result overflows.

2005-06-15  David Ung  <davidu@mips.com>

        * config/mips/mips.c (mips_rtx_cost_data): Add cost for 4kc, 4kp,
        24k and 24kx.
        
2005-06-15  Richard Sandiford  <richard@codesourcery.com>

        * doc/invoke.texi (-mips16): Fix typo.

2005-06-15  David Ung  <davidu@mips.com>

        * config/mips/mips.h (GENERATE_MIPS16E): New definition.
        * config/mips/mips.md (zero_extend<SHORT:mode><GPR:mode>2):
        Changed expand condition to exclude generating of "and" if
        GENERATE_MIPS16E is true.
        (*zero_extend<SHORT:mode><GPR:mode>2_mips16e): New pattern for
        matching mips16e zeb/zeh.
        (*extend<SHORT:mode><GPR:mode>2_mips16e): New pattern for matching
        mips16e seb/seh. 
        (*extend<SHORT:mode><GPR:mode>2): Disable this pattern for
        GENERATE_MIPS16E. 
        * doc/invoke.texi (MIPS Options): Add comment to -mips16
        indicating MIPS16e ASE is used if targetting for MIPS32 or MIPS64.
        
2005-06-15  Diego Novillo  <dnovillo@redhat.com>

        PR 22018
        * tree-vrp.c (vrp_int_const_binop): New.
        (extract_range_from_binary_expr): Call it.
        Unify handling division and multiplication.

2005-06-15  Aldy Hernandez  <aldyh@redhat.com>

        * c-common.h (same_scalar_type_ignoring_signedness): Protoize.

        * c-common.c (same_scalar_type_ignoring_signedness): New.

        * c-typeck.c (build_binary_op): Check compatability of vector
        types.  Move error report after switch.
        Do not clobber code[01] on *_DIV_EXPR case.

        * testsuite/gcc.dg/simd-1.c: Update error messages.
        * testsuite/gcc.dg/simd-1b.c: Re-enable tests.  Update error
        messages.
        * testsuite/gcc.dg/simd-2.c: Update error messages.
        * testsuite/gcc.dg/simd-4.c: New.

2005-06-15  Bernd Schmidt  <bernd.schmidt@analog.com>

        * Makefile.in (local-alloc.o): Depend on $(GGC_H) and reload.h.
        * local-alloc.c: Include "ggc.h" and "reload.h".
        (struct equivalence): New member is_arg_equivalence.
        (local_alloc): Always call update_equiv_regs.
        (update_equiv_regs): Allocate reg_equiv_init; set reg_equiv_init_size.
        Detect equivalences made by stores to memory in a second pass.
        Return early if not optimizing.
        Initialize reg_equiv_init for all equivalences; treat equivalences for
        REG_EQUIV notes existing before this pass specially.
        (no_equiv): Don't clear reg_equiv_init or remove notes if the
        is_arg_equivalence field is set.
        * reload.h (reg_equiv_init, reg_equiv_init_size): Declare.
        * reload1.c (reg_equiv_init): No longer static.
        (reg_equiv_init_size): New variable.
        (reload): Don't allocate reg_equiv_init; don't free it when done but
        clear it.
        Restructure equivalence set up code not to set reg_equiv_init, but to
        clear it when we can't use an equivalence.
        Undo change disabling equivalences for MEM_READONLY_P memrefs.
        Dump equivalencing insns to dump_file.

2005-06-14  Richard Sandiford  <richard@codesourcery.com>

        * config/mips/mips.c (machine_function): Add varargs_size field.
        (mips_setup_incoming_varargs): Store the amount of extra stack space
        there rather than in *pretend_size.  When saving registers, always
        expect virtual_incoming_args_rtx to point to the start of the
        pretend arguments.
        (mips_va_start): Remove alignment hack.  Handle all
        !EABI_FLOAT_VARARGS_P cases in the same way.
        (compute_frame_size): Handle varargs_size.  Remove the redundant
        !TARGET_OLDABI condition in the handling of pretend_args_size.
        (mips_initial_elimination_offset): Remove the now-redundant check
        of TARGET_NEWABI.

2005-06-14  Jeff Law  <law@redhat.com>

        * tree-vrp.c (local_fold): Remove.
        (simplify_using_ranges): Use fold_convert, not local_fold.  Tweak
        DIV/MOD case slightly for readability.

2005-06-14  Frank Ch. Eigler  <fche@redhat.com>

        PR mudflap/21023
        * tree-mudflap.c (mudflap_finish_file): Exclude non-public
        rather than static objects (!) from libmudflap registration.

2005-06-14  Richard Sandiford  <richard@codesourcery.com>

        * opt-functions.awk (global_state_p, needs_state_p, static_var): New.
        (var_ref): Take the option's flags as a second parameter.  Check
        static_var.
        * optc-gen.awk: Declare local state variables.  Pass flags to var_ref.

2005-06-14  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/20301
        * config/sparc/sol2.h (ASM_GENERATE_INTERNAL_LABEL): Emit
        unsigned index numbers.

2005-06-13  Geoffrey Keating  <geoffk@apple.com>

        * Makefile.in (install-man): Doesn't really depend on installdirs.
        (various rules for installing manpages): Do depend on installdirs.

2005-06-14  Nathan Sidwell  <nathan@codesourcery.com>

        * unwind-dw2-fde-darwin.c (examine_objects): Fix aliasing in
        read_encoded_value_with_base call.
        * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Likewise.
        * unwind-dw2-fde.c (_Unwind_Find_FDE): Likewise.
        * unwind-dw2.c (extract_cie_info): Fix aliasing in
        read_encoded_value call.
        (execute_cfa_program, uw_frame_state_for): Likewise.

2005-06-13  Roger Sayle  <roger@eyesopen.com>

        PR rtl-optimization/22053
        * reg-stack.c (compensate_edge): Correct mistake in the assertion
        checking of EDGE_ABNORMAL_CALL edges; complex return values can
        result in the top two stack slots, st(0) and st(1), being live.

2005-06-13  Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): No longer
        simplify DIV, MOD or ABS expressions using VRP information.
        Remove WALK_DATA parameter.  Prototype and all callers updated.
        (eliminate_redundant_computations): Remove WALK_DATA parameter.
        Prototype and all callers updated.
        (optimize_stmt): WALK_DATA parameter is now unused.

        * tree-vrp.c (local_fold): New function.  Like fold, but
        strips useless type conversions in the result.
        (simplify_using_ranges): New function, largely cribbed from
        tree-ssa-dom.c::simplify_rhs_and_lookup_avail_expr.
        (vrp_finalize): Call simplify_using_ranges.

2005-06-13  Mark Mitchell  <mark@codesourcery.com>

        * config/i386/x86-64.h (ASM_SPEC): Explicitly pass --64 to the
        assembler in 64-bit mode.

2005-06-13  David Edelsohn  <edelsohn@gnu.org>

        Revert scc_operand patch.
        * config/rs6000/predicates.md (scc_operand): Delete.
        * config/rs6000/rs6000.md (scc_operand): Change to scc_eq_operand.

2005-06-13  Zdenek Dvorak  <dvorakz@suse.cz>

        PR middle-end/21985
        * fold-const.c (split_address_to_core_and_offset): Always return
        the address of the base object.

2005-06-13  Bernd Schmidt  <bernd.schmidt@analog.com>

        * doc/invoke.texi (Blackfin Options): Document -mlong-calls.

2005-06-12  Richard Henderson  <rth@redhat.com>

        PR tree-opt/21994
        * tree-complex.c (update_complex_components_on_edge): New.
        (update_parameter_components): Use it.
        (update_phi_components): Likewise.
        (expand_complex_move): Likewise for is_ctrl_altering_stmt.

2005-06-12  James A. Morrison  <phython@gcc.gnu.org>

        PR tree-optimization/14796
        * fold-const (fold_binary): Transform (X << C) >> C into X & (-1>>C)
        for unsigned types.

2005-06-12  Kazu Hirata  <kazu@codesourcery.com>

        * cgraphunit.c, tree-ssa-loop-ivopts.c,
        tree-ssa-structalias.c, tree-vectorizer.c, tree-vectorizer.h,
        config/sparc/sparc.c: Fix comment typos.

2005-06-12  Richard Earnshaw  <richard.earnshaw@arm.com>

        * arm/ieee754-df.s (aeabi_dcmpeq, aeabi_dcmplt, aeabi_dcmple)
        (aeabi_dcmpge, aeabi_dcmpgt): Maintain 8-byte stack alignment.
        * arm/ieee754-sf.s (aeabi_l2f, aeabi_fcmpeq, aeabi_fcmplt)
        (aeabi_fcmple, aeabi_fcmpge, aeabi_fcmpgt): Likewise.

2005-06-12  James A. Morrison  <phython@gcc.gnu.org>

        PR tree-optimization/14796
        * fold-const.c (fold_binary): Transform (A >> C) << C into
        one BIT_AND_EXPR.
        <shift>: Transform (A OP c1) OP c2 into A OP (c1 + c2).

2005-06-11  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/predicates.md (reg_or_arith_cint_operand): Delete.
        (reg_or_add_cint_operand): Rename from reg_or_add_cint64_operand.
        Handle SImode.
        (reg_or_sub_cint_operand): Likewise.
        (mask_operand): Handle DImode.
        (mask64_operand): Delete.
        (and64_operand): Delete.
        * config/rs6000/rs6000.c (num_insns_constant): Use mask_operand
        instead of mask64_operand.
        (print_operand): Likewise.
        (rs6000_rtx_costs): Use mask_operand and reg_or_add_cint_operand and
        reg_or_sub_cint_operand instead of *64_* variants.
        * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Use mask_operand
        instead of mask64_operand.
        * config/rs6000/rs6000.md: Use mask_operand and and_operand instead
        of *64_* variants.
        (FP): New.
        (add_op2): Delete.
        (add<mode>3): Use reg_or_add_cint_operand.
        (sub_op2): Delete.
        (sub<mode>3): Use reg_or_sub_cint_operand.
        (udiv<mode>3, div<mode>3, div<mode>3_no_mq, mod<mode>3,
        mov<mode>_internal2, mov<mode>, cmp<mode>, cmp<mode>,
        cmp<mode>_internal1, indirect_jump<mode>, ctr<mode>,
        ctr<mode>_internal1, ctr<mode>_internal2, ctr<mode>_internal5,
        ctr<mode>_internal6, save_fpregs_<mode>, return_internal_<mode>,
        return_and_restore_fpregs_<mode>, eh_set_lr_<mode>,
        various unnamed patterns): New.
        (udivsi3, divsi3, divsi3_no_mq, modsi3, movsi_internal2, movsi,
        cmpsi, cmpsi_internal1, indirect_jumpsi, ctrsi, ctrsi_internal1,
        ctrsi_internal2, ctrsi_internal5, ctrsi_internal6, save_fpregs_si,
        return_internal_si, return_and_restore_fpregs_si, eh_set_lr_si,
        udivdi3, divdi3, divdi3_no_mq, moddi3, movdi_internal2, movdi,
        cmpdi, cmpdi_internal1, indirect_jumpdi, ctrdi, ctrdi_internal1,
        ctrdi_internal2, ctrdi_internal5, ctrdi_internal6, save_fpregs_di,
        return_internal_di, return_and_restore_fpregs_di, eh_set_lr_di,
        movhi, movqi, cmpsf, cmpdf, cmptf, various unnamed patterns):
        Delete.

2005-06-11  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * rtl.h (to_rtx_code): Remove.
        * machmode.h (to_machine_mode): Likewise.
        * read-rtl.c (apply_mode_macro): Replace to_machine_mode with
        explicit cast.
        (apply_mode_maps): Likewise.
        (read_rtx_1): Likewise.
        (apply_code_macro): Replace to to_rtx_code with explicit cast.
        (check_code_macro): Likewise.
        (read_rtx_1): Likewise.

2005-06-11  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * c-typeck.c (convert_for_assignment): Avoid checking
        OPT_Wc___compat, as it is always true.

2005-06-11  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (eq<mode>_compare): Restrict to Pmode.

2005-06-11  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/22005
        Fix PR tree-optimization/22025
        
        * tree-ssa-structalias.c (struct variable_info): Add has_union
        member.
        (create_variable_info_for):  Mark variables containing unions.
        Don't sort the field stack if notokay is true.
        (find_what_p_points_to): Convert variables containing unions back
        to their SFT's if necessary.
        
2005-06-11  Daniel Berlin  <dberlin@dberlin.org>

        * lambda-code.c (replace_uses_equiv_to_x_with_y): Verify the step
        is an INTEGER_CST before calling int_cst_value.

2005-06-10  Uros Bizjak  <uros@kss-loka.si>

        PR target/21981
        * config/i386/i386.c (ix86_function_value_regno_p): Return true
        for FIRST_MMX_REG if TARGET_MMX.
        (ix86_return_in_memory): Return 1 for MMX/3dNow vectors. Delete
        wrong comment.
        (ix86_struct_value_rtx): Emit warning for MMX ABI violations.
        (ix86_value_regno): Return FIRST_MMX_REG for MMX vector modes.

2005-06-10  Daniel Berlin  <dberlin@dberlin.org>

        * lambda-code.c (replace_uses_equiv_to_x_with_y): Check step
        and access function against chrec_dont_know.
          
2005-06-10  Daniel Berlin  <dberlin@dberlin.org>

        * lambda-code.c (replace_uses_of_x_with_y): Renamed and rewritten
        slightly.
        (exit_phi_for_loop_p): New function.
        (can_put_in_inner_loop): Ditto.
        (can_convert_to_perfect_nest): Ditto.
        (perfect_nestify): Create iv with right type.
        Rewrite statements in correct order.    

2005-06-10  Keith Besaw  <kbesaw@us.ibm.com>

        * tree-ssa-alias.c (new_type_alias): Use existing type
        tag if VAR has just one in its may_aliases list.

2005-06-10  Fariborz Jahanian <fjahanian@apple.com>

        * rs6000/predicates.md (scc_operand): New.
        * rs6000/rs6000.md : Use scc_operand for eq:SI compares.

2005-06-10  Dorit Nuzman  <dorit@il.ibm.com>

        * tree-vect-analyze.c (vect_analyze_data_ref_dependence): DRs whose
        dependence-distance modulo VF is 0 are recorded in the 
        SAME_ALIGN_REFs VEC in each DR.
        (vect_enhance_data_refs_alignment): Avoid 80 column overflow. The
        alignment information of DRs that are in the SAME_ALIGN_REFs VEC of the
        DR we want to peel for, is set to 0.
        * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Fix printout.
        * tree-vectorizer.c (destroy_loop_vec_info): Free the SAME_ALIGN_REFs
        VEC.
        * tree-vectorizer.h (dr_p): New type. Defined to use the VEC API.
        (_stmt_vec_info): Added new field same_align_refs.
        (STMT_VINFO_SAME_ALIGN_REFS): New macro.

2005-06-10  Nathan Sidwell  <nathan@codesourcery.com>

        * vec.h (VEC_safe_grow): Append MEM_STAT_INFO.

2005-06-10  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/linux.h (NO_PROFILE_COUNTERS): Define.
        * config/rs6000/linux64.h (NO_PROFILE_COUNTERS): Define as 1.
        * config/rs6000/rs6000.c (output_function_profiler): Obey
        NO_PROFILE_COUNTERS.  Handle TARGET_SECURE_PLT.  Use "bcl 20,31"
        for -fPIC.  Delete save_lr and substitute its value into strings.

2005-06-09  Dale Johannesen  <dalej@apple.com>

        * config/i386/i386.c (optimization_options):  Make -fno-math-errno
        the default on Darwin.
        * config/rs6000/rs6000.c (optimization_options):  Ditto.
        * doc/invoke.texi (-fno-math-errno): Document.

2005-06-09  Dale Johannesen  <dalej@apple.com>

        * config/rs6000/rs6000.c (TARGET_INSN_VALID_WITHIN_DOLOOP):
        Change to TARGET_INVALID_WITHIN_DOLOOP.

2005-06-09  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (eq): Convert to define_insn_and_split.
        * config/rs6000/predicates.md (scc_eq_operand): New.

2005-06-09  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.md (mextr_rl): Set buffer size properly.
        (*mextr_lr): Likewise.

2005-06-09  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        PR c/21759
        * c.opt (Wc++-compat): New.
        * doc/invoke.texi (-Wc++-compat): Document.
        * c-typeck.c (convert_for_assignment): Check for implicit
        conversion void* -> T*.

2005-06-09  Gabriel Dos Reis  <gdr@integrable-solutions.edu>

        * machmode.h (to_machine_mode): New.
        * rtl.h (to_rtx_code): Likewise.
        * read-rtl.c (apply_mode_macro): Convert mode to machine_mode.
        (print_c_condition): Convert return value of htab_find().
        (apply_code_macro): Add explicit cast when convertin to enums.
        (apply_mode_maps): Likewise.
        (check_code_macro): Likewise.
        (read_rtx_1): Likewise.

2005-06-09  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.c (update_set_flags): Just return for IF_THEN_ELSE.
        Use SCALAR_FLOAT_MODE_P.
        * config/ia64/vect.md (vcondv2sf): Remove code check on comparison.
        (fselect): Rename from fpcmp; use %F.
        (fpcmp): New.

2005-06-09  Jan Hubicka  <jh@suse.cz>

        * cgraphunit.c (cgraph_create_edges): Do not walk BLOCK; finalize
        local statics when doing unit-at-a-time.
        (cgraph_varpool_assemble_pending_decls): Output debug info.
        * dwarf2out.c (decls_for_scope): Skip local statics.
        (dwarf2out_decl): Handle local statics.
        * passes.c (rest_of_decl_compilation): Do not differentiate
        local and global statics in unit-at-a-time.
        * tree-inline.c (remap_decls): Put local static into
        unexpanded_vars_list rather than introducing duplicated VAR_DECL
        node.

2005-06-09  Daniel Berlin  <dberlin@dberlin.org>

        * config/rs6000/rs6000.c: (rs6000_insn_valid_within_doloop): Fix
        prototype.

2005-06-08  Daniel Berlin  <dberlin@dberlin.org>

        * Makefile.in (OBJS-common): Add tree-ssa-structalias.o.
        * tree-flow.h (find_what_p_points_to): Add prototype.
        (push_fields_onto_fieldstack): Ditto.
        (sort_fieldstack): Ditto.
        * tree-optimize.c (init_tree_optimization_passes): Add
        pass_build_pta and pass_del_pta.
        * tree-pass.h (pass_build_pta): New structure.
        (pass_del_pta): Ditto.
        * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Disambiguate
        using new alias analyzer.
        (push_fields_onto_fieldstack): Removed from here.
        (bitpos_of_field): Ditto.
        (fieldoff_compare): Ditto.
        * tree-ssa-structalias.c: New file.
        * tree-ssa-structalias.h: Ditto.

2005-06-09  Nathan Sidwell  <nathan@codesourcery.com>

        * c-typeck.c (build_c_cast): Check type punning on COMPONENT_REF
        too.

2005-06-09  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.c (enum bfin_builtins): Moved here from...
        * config/bfin/bfin.h (enum bfin_builtins): ... here.

2005-06-09  Adrian Straetling  <straetling@de.ibm.com>

        * target.h (insn_valid_within_doloop): Rename into
        "invalid_within_doloop".  Change return type to "const char *".
        Update Comment.
        * targhooks.h (default_insn_valid_within_doloop): Rename into
        "default_invalid_within_doloop". 
        * targhooks.c (default_insn_valid_within_doloop): Likewise.
        Update Comment.
        * target-def.h (TARGET_INSN_VALID_WITHIN_DOLOOP): Rename target hook
        into "TARGET_INVALID_WITHIN_DOLOOP". Default it to
        "default_invalid_within_doloop".
        * hooks.c (hook_constcharptr_rtx_null): New function.
        (hook_bool_rtx_true): Remove.
        * hooks.h (hook_constcharptr_rtx_null): Declare.
        (hook_bool_rtx_true): Remove.
        * loop-doloop.c (doloop_valid_p): Temporarily store return value of
        "invalid_within_doloop" and print error message if non-null.
        Update Comment.
        * doc/tm.texi: Update documentation.
        * config/s390/s390.c: Adjust to new hook name and new default hook.
        * config/rs6000/rs6000.c: (rs6000_insn_valid_within_doloop): Rename
        into "rs6000_invalid_within_doloop".
        (rs6000_invalid_within_doloop): Change return type to "static const
        char *" and replace return values.  Update Comment.

2005-06-09  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.opt (mlong-calls): New.
        * config/bfin/predicates.md (call_insn_operand): Disallow SYMBOL_REF
        if TARGET_LONG_CALLS.

2005-06-09  Richard Henderson  <rth@redhat.com>

        PR tree-opt/20610
        * tree.h (DECL_COMPLEX_GIMPLE_REG_P): New.
        (struct tree_decl): Add gimple_reg_flag.
        * integrate.c (copy_decl_for_inlining): Copy it.
        * gimplify.c (internal_get_tmp_var): Set it.
        (gimplify_bind_expr): Likewise.
        (gimplify_function_tree): Likewise.
        (gimplify_modify_expr_complex_part): New.
        (gimplify_modify_expr): Use it.
        * tree-gimple.c (is_gimple_reg_type): Allow complex.
        (is_gimple_reg): Allow complex with DECL_COMPLEX_GIMPLE_REG_P set.

        * tree-complex.c (complex_lattice_t): New.
        (complex_lattice_values, complex_variable_components): New.
        (some_nonzerop, find_lattice_value, is_complex_reg,
        init_parameter_lattice_values, init_dont_simulate_again, 
        complex_visit_stmt, complex_visit_phi, create_components,
        update_complex_components, update_parameter_components, 
        update_phi_components, update_all_vops, expand_complex_move): New.
        (extract_component): Handle INDIRECT_REF, COMPONENT_REF, ARRAY_REF,
        SSA_NAME.
        (update_complex_assignment): Use update_complex_components;
        handle updates of return_expr properly.
        (expand_complex_addition): Use complex lattice values.
        (expand_complex_multiplication): Likewise.
        (expand_complex_division): Likewise.
        (expand_complex_libcall): Use update_complex_components.
        (expand_complex_comparison): Use update_stmt.
        (expand_complex_operations_1): Use expand_complex_move, retrieve
        lattice values.
        (tree_lower_complex): Compute lattice values.
        (tree_lower_complex_O0): Duplicate from tree_lower_complex.
        (pass_lower_complex_O0): Rename from pass_lower_complex.
        (pass_lower_complex, gate_no_optimization): New.
        * tree-optimize.c (init_tree_optimization_passes): Update for
        complex pass changes.
        * tree-pass.h (pass_lower_complex_O0): Declare.

2005-06-08  Dale Johannesen  <dalej@apple.com>

        * config/darwin.c (darwin_binds_local_p):  New.
        * config/darwin-protos.h (darwin_binds_local_p):  Declare it.
        * config/i386/i386.c (TARGET_BINDS_LOCAL_P):  Use it for TARGET_MACHO.
        * config/rs6000/rs6000.c (rs6000_binds_local_p):  Remove.
        (TARGET_BINDS_LOCAL_P):  Change it to darwin_binds_local_p.

2005-06-08  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.h: Remove rs6000_long_double_size_string,
        rs6000_isel, rs6000_spe, rs6000_alignment_string,
        rs6000_sched_restricted_insns_priority_str,
        rs6000_sched_restricted_insns_priority, rs6000_abi_string.

2005-06-08  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-ssa-address.c (addr_for_mem_ref): Use LAST_VIRTUAL_REGISTER
        instead of FIRST_PSEUDO_REGISTER for creating pseudoregisters.
        * tree-ssa-loop-ivopts.c (add_cost, multiply_by_cost,
        multiplier_allowed_in_address_p, get_address_cost): Ditto.

2005-06-08  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.h (NO_PROFILE_COUNTERS): New.
        * config/ia64/ia64.c (ia64_output_function_profiler): Honor it.
        Emit out3 load right after alloc.

2005-06-08  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use
        rs6000_explicit_options.

2005-06-08  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.h (FUNCTION_PROFILER): Move implementation ...
        * config/ia64/ia64.c (ia64_output_function_profiler): ... here; add
        unwind markup.
        * config/ia64/ia64-protos.h (ia64_output_function_profiler): Declare.

2005-06-08  Joseph S. Myers  <joseph@codesourcery.com>

        * config/sol2-c.c (cmn_err_char_table): Allow width for %b
        formats.

2005-06-08  James A. Morrison  <phython@gcc.gnu.org>

        PR target/20666
        * config/sparc/sparc.c (sparc_fold_builtin): New function
        (sparc_vis_mul8x16): New function.
        (sparc_handle_vis_mul8x16): New function.
        (TARGET_FOLD_BUILTIN): Define to sparc_fold_builtin.

2005-06-08  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (call_indirect_nonlocal_aix32): Prefer
        CTR to LR.
        (call_indirect_nonlocal_aix64): Same.
        (call_value_indirect_nonlocal_aix32): Same.
        (call_value_indirect_nonlocal_aix64): Same.

        PR target/10588
        (eq): Use CLZ splitter for compare with zero.

2005-06-08  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.c (bfin_return_in_memory): Simplify; return
        everything larger than 8 bytes in memory.

        * config/bfin/bfin.h (enum bfin_builtins): New.
        * config/bfin/bfin.md (UNSPEC_VOLATILE_CSYNC, UNSPEC_VOLATILE_SSYNC):
        New constants.
        (csync, ssync): New insn patterns.
        * config/bfin/bfin.c (bfin_init_builtins, bfin_expand_builtin):
        New functions.
        (def_builtin): New macro.
        (TARGET_INIT_BUILTINS, TARGET_EXPAND_BUILTIN): Define.

        From Jie Zhang  <jie.zhang@analog.com>
        * config/bfin/bfin.h (ASM_OUTPUT_ALIGN): Gas now emulates the
        behavior of the native assembler in VDSP. So change accordingly.
        
2005-06-08  Sebastian Pop  <pop@cri.ensmp.fr>

        * tree-data-ref.c (compute_estimated_nb_iterations,
        analyze_array_indexes, compute_overlap_steps_for_affine_1_2,
        analyze_subscript_affine_affine, find_data_references_in_loop):
        Fixed to use chrec_contains_undetermined to test the values of
        loop->estimated_nb_iterations.
        * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop):
        Compute the estimation only when loop->estimated_nb_iterations
        has not yet been initialized.
        (convert_step_widening, scev_probably_wraps_p): Add a call to
        estimate_numbers_of_iterations_loop.
        * tree-vrp.c (execute_vrp): Don't call estimate_numbers_of_iterations.

2005-06-08  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR debug/21946
        * dwarf2out.c (add_loc_descr_op_piece): Move to the
        DWARF2_DEBUGGING_INFO section.

2005-06-08  Richard Henderson  <rth@redhat.com>

        PR target/21721
        * config/ia64/ia64.c (emit_predicate_relation_info): Skip p0.

2005-06-08  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/21889
        * target.h (gcc_target) <asm_out>: New field output_dwarf_dtprel.
        * target-def.h (TARGET_ASM_OUTPUT_DWARF_DTPREL): New macro.
        (TARGET_ASM_OUT): Add it.
        * doc/tm.texi (Debugging Info): Document it.
        * dwarf2out.c (output_loc_operands) <INTERNAL_DW_OP_tls_addr>:
        Test it instead of ASM_OUTPUT_DWARF_DTPREL.
        (loc_descriptor_from_tree_1) <VAR_DECL>: Likewise.
        * system.h: Poison ASM_OUTPUT_DWARF_DTPREL.
        * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Delete.
        * config/frv/frv.c (frv_output_dwarf_dtprel): Make static and unused.
        (gen_inlined_tls_plt): Remove unused variable MEM.
        (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to frv_output_dwarf_dtprel.
        * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
        * config/i386/i386-protos.h (i386_output_dwarf_dtprel): Delete.
        * config/i386/i386.c (i386_output_dwarf_dtprel): Make static and
        unused.
        (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to i386_output_dwarf_dtprel.
        * config/i386/i386.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
        * config/ia64/ia64-protos.h (ia64_output_dwarf_dtprel): Delete.
        * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Make static and
        unused.
        (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to ia64_output_dwarf_dtprel.
        * config/ia64/ia64.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
        * config/rs6000/rs6000-protos.h (rs6000_output_dwarf_dtprel): Delete.
        * config/rs6000/rs6000.c (rs6000_output_dwarf_dtprel): Make static and
        unused.
        (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to rs6000_output_dwarf_dtprel
        * config/rs6000/rs6000.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
        * config/s390/s390-protos.h (s390_output_dwarf_dtprel): Delete.
        * config/s390/s390.c (s390_output_dwarf_dtprel): Make static and
        unused.
        (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to s390_output_dwarf_dtprel.
        * config/s390/s390.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
        * config/sparc/sol2-gas.h (TARGET_SUN_TLS): Define to 0.
        (TARGET_GNU_TLS): Define to 1.
        * config/sparc/sparc-protos.h (sparc_output_dwarf_dtprel): Delete.
        * config/sparc/sparc.c (sparc_output_dwarf_dtprel): Make static and
        unused.
        (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to sparc_output_dwarf_dtprel
        if TARGET_GNU_TLS only.
        * config/sparc/sparc.h (ASM_OUTPUT_DWARF_DTPREL): Delete.

        * config.gcc (sparc64-*-solaris2*): Include tm-dwarf2.h last.
        (sparc-*-solaris2*): Likewise on Solaris 7 and up.

2005-06-07  Dale Johannesen  <dalej@apple.com>

        * config/i386/i386.md (movqi_1):  Fix case where source
        is memory and destination EDI.

2005-06-08  Kazu Hirata  <kazu@codesourcery.com>

        * config/c4x/c4x.h (PREDICATE_CODES): Remove mem_operand.

2005-06-07  Eric Christopher  <echristo@redhat.com>

        * system.h: Poison EXTRA_CC_MODES.
        * config/frv/frv.h (SELECT_CC_MODE): Rewrite comment.
        * config/ia64/ia64.h (SELECT_CC_MODE): Ditto.
        * doc/md.texi (Jump Patterns): Replace reference to
        EXTRA_CC_MODES with machine-modes.def.
        * doc/rtl.texi (Machine Modes): Ditto.

2005-06-07  Richard Henderson  <rth@redhat.com>

        * varasm.c (initialize_cold_section_name): Fix alloca buffer overflow.
        (assemble_start_function): Fix strcmp confusion.

2005-06-07  Uros Bizjak  <uros@kss-loka.si>

        * config/i386/i386.h (enum ix86_entity): New.
        (enum ix86_stack_slot): New.
        (OPTIMIZE_MODE_SWITCHING): Redefine to use
        ix86_optimize_mode_switching[] array.
        (NUM_MODES_FOR_MODE_SWITCHING): Redefine for 4 entities.
        (MODE_NEEDED): Use ix86_mode_needed() function.
        (EMIT_MODE_SET): Redefine for changed emit_i387_cw_initialization ()
        function.
        (struct machine_function): Use optimize_mode_switching[] array.

        * config/i386/i386.c (MAX_386_STACK_LOCALS): Remove.
        (ix86_mode_needed): New function.
        (emit_i387_cw_initialization): Cleanup. Use mode to calculate
        correct stack positions for stored control words.
        (assign_386_stack_local): Use enum ix86_stack_slot. Change assert.
        (ix86_expand_builtin) [IX86_BUILTIN_LDMXCSR]: Change constant to
        SLOT_TEMP.
        [IX86_BUILTIN_STMXCSR]: Same.

        * config/i386/i386-protos.h (assign_stack_local): Change prototype.
        (emit_i387_cw_initialization): Change prototype.
        (ix86_mode_needed): New prototype.

        * config/i386/i386.md (i387_cw attribute): Change order of elements.
        (truncdfsf2, truncxfsf2, truncxfdf2, fix_trunc<mode>_fisttp_i387_1)
        (*fix_trunc<mode>_i387_1, lrint<mode>2, *fist<mode>2_floor_1)
        (*fist<mode>2_ceil_1): Change constant in call to
        assign_386_stack_local to SLOT_TEMP.
        (*fix_trunc<mode>_i387_1): Change constant in call to
        assign_386_stack_local to SLOT_CW_STORED and SLOT_CW_TRUNC.
        Use new ix86_optimize_mode_switching[] array.
        (frndintxf2_floor, *fist<mode>2_floor_1): Change constants in call to
        assign_386_stack_local to SLOT_CW_STORED and SLOT_CW_FLOOR.
        Use new ix86_optimize_mode_switching[] array.
        (frndintxf2_ceil, *fist<mode>2_ceil_1):  Change constants in call to
        assign_386_stack_local to SLOT_CW_STORED and SLOT_CW_CEIL.
        Use new ix86_optimize_mode_switching[] array.
        (frndintxf2_trunc): Change constants in call to
        assign_386_stack_local to SLOT_CW_STORED and SLOT_CW_TRUNC.
        Use new ix86_optimize_mode_switching[] array.
        (frndintxf2_mask_pm): Change constants in call to
        assign_386_stack_local to SLOT_CW_STORED and SLOT_CW_MASK_PM.
        Use new ix86_optimize_mode_switching[] array.

        (define_peephole2): Change constant from 17 to FLAGS_REG;

2005-06-07  Richard Henderson  <rth@redhat.com>

        PR rtl-opt/21528
        * rtlanal.c (reg_overlap_mentioned_p) <MEM>: Handle 'E' formats.

2005-06-07  Dale Johannesen  <dalej@apple.com>

        * tree-nested.c (finalize_nesting_tree_1):  Disable
        warn_padded around layout_type call.

2005-06-08  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-ssa-loop-ivopts.c (rewrite_use_outer): Unshare the expression
        before emiting it.

2005-06-07  Eric Christopher  <echristo@redhat.com>

        * config/mips/predicates.md: Revert previous patch.

2005-06-07  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/21850
        * tree.c (get_unwidened): Stop at NOP_EXPR/CONVERT_EXPR that convert
        from vector types.

2005-06-07  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa-threadupdate.c (struct thread_stats_d): Declare.
        (thread_stats): New local variable.
        (redirect_edges): Increment count of threaded edges.
        (thread_through_all_blocks): Initialize thread_stats.
        Display number of threaded jumps if TDF_STATS is enabled.

2005-06-07  Kazu Hirata  <kazu@codesourcery.com>

        * sbitmap.h (sbitmap_iter_init): Consistently treat bit_num as
        the current bit index with no modulo.

2005-06-07  Sebastian Pop  <pop@cri.ensmp.fr>

        PR 18403 and meta PR 21861.
        * Makefile.in (tree-chrec.o): Depend on CFGLOOP_H and TREE_FLOW_H.
        * tree-chrec.c: Include cfgloop.h and tree-flow.h.
        (evolution_function_is_invariant_rec_p,
        evolution_function_is_invariant_p): New.
        (chrec_convert): Use an extra parameter AT_STMT for refining the
        information that is passed down to convert_step.  Integrate the 
        code that was in count_ev_in_wider_type.
        * tree-chrec.h (count_ev_in_wider_type): Removed.
        (chrec_convert): Modify its declaration.
        (evolution_function_is_invariant_p): Declared.
        (evolution_function_is_affine_p): Use evolution_function_is_invariant_p.
        * tree-flow.h (can_count_iv_in_wider_type): Renamed convert_step.
        (scev_probably_wraps_p): Declared.
        * tree-scalar-evolution.c (count_ev_in_wider_type): Removed.
        (follow_ssa_edge_in_rhs, interpret_rhs_modify_expr):
        Use an extra parameter AT_STMT for refining the information that is
        passed down to convert_step.
        (follow_ssa_edge_inner_loop_phi, follow_ssa_edge,
        analyze_scalar_evolution_1): Initialize AT_STMT with the current
        analyzed statement.
        (instantiate_parameters_1): Don't know yet how to initialize AT_STMT.
        * tree-ssa-loop-ivopts.c (idx_find_step): Update the use of 
        can_count_iv_in_wider_type to use convert_step.
        * tree-ssa-loop-niter.c (can_count_iv_in_wider_type_bound): Move 
        code that is independent of the loop over the known iteration
        bounds to convert_step_widening, the rest is moved to
        proved_non_wrapping_p.
        (scev_probably_wraps_p): New.
        (can_count_iv_in_wider_type): Renamed convert_step.
        * tree-vrp.c (adjust_range_with_scev): Take an extra AT_STMT parameter.
        Use scev_probably_wraps_p for computing init_is_max.
        (vrp_visit_assignment): Pass the current analyzed statement to 
        adjust_range_with_scev.
        (execute_vrp): Call estimate_numbers_of_iterations for refining the 
        information provided by scev analyzer.

2005-06-07  Eric Christopher  <echristo@redhat.com>

        * config/mips/predicates.md (sleu_operand): Use
        IN_RANGE to specify range of operand.

2005-06-07  Steven Bosscher  <stevenb@suse.de>

        PR tree-optimization/21847
        * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): With
        -fnon-call-exceptions, also mark statements inherently
        necessary if they may throw.

2005-06-07  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390.md: ("UNSPECV_MB", "UNSPECV_CAS"): New constants.
        ("type"): Add "sem" to 'type' attribute.
        ("memory_barrier", "*memory_barrier", "sync_compare_and_swapdi",
        "sync_compare_and_swapsi", "sync_compare_and_swap_ccdi",
        "sync_compare_and_swap_ccsi", "*sync_compare_and_swap_ccdi",
        "*sync_compare_and_swap_ccsi"): New patterns.
        * config/s390/2064.md: ("z_sem"): New insn_reservation.
        * config/s390/2084.md: ("x_sem"): New insn_reservation.
        * config/s390/s390.c: (s390_compare_emitted): New global variable.
        (s390_emit_compare): Do not emit comparison again after cas.
        * config/s390/s390.h (s390_compare_emitted): Declare.

2005-06-07  Kazu Hirata  <kazu@codesourcery.com>

        * sbitmap.h (sbitmap_iterator, sbitmap_iter_init,
        sbitmap_iter_cond, sbitmap_iter_next): New.
        * bt-load.c, cfganal.c, combine.c, ddg.c, flow.c,
        modulo-sched.c, sbitmap.c, sched-rgn.c, tree-into-ssa.c,
        tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Update
        uses of EXECUTE_IF_SET_IN_SBITMAP to the new style.

2005-06-07  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-ssa-address.c: New file.
        * Makefile.in (tree-ssa-address.o): Add.
        * expr.c (expand_expr_real_1): Do not handle REF_ORIGINAL on
        INDIRECT_REFs.  Handle TARGET_MEM_REFs.
        * tree-eh.c (tree_could_trap_p): Handle TARGET_MEM_REFs.
        * tree-flow.h (struct mem_address): New.
        (struct affine_tree_combination): Moved from tree-ssa-loop-ivopts.c.
        (create_mem_ref, addr_for_mem_ref, get_address_description,
        maybe_fold_tmr, multiplier_allowed_in_address_p,
        multiply_by_cost):  Declare.
        * tree-mudflap.c (mf_xform_derefs_1): Handle TARGET_MEM_REFs.
        * tree-pretty-print.c (dump_generic_node): Ditto.
        * tree-ssa-loop-im.c (for_each_index): Ditto.
        * tree-ssa-loop-ivopts.c (may_be_unaligned_p,
        find_interesting_uses_address): Ditto.
        (rewrite_address_base, build_addr_strip_iref): Removed.
        (struct affine_tree_combination): Moved to tree-flow.h.
        (get_ref_tag, copy_ref_info): New functions.
        (rewrite_use_address): Produce TARGET_MEM_REFs.
        (tree_ssa_iv_optimize): Do not call update_ssa
        and rewrite_into_loop_closed_ssa.
        (tree_to_aff_combination): Use build_fold_addr_expr instead of
        build_addr_strip_iref.
        (unshare_aff_combination): New function.
        (fold_affine_sum): Removed.
        (get_computation_at): Use get_computation_aff.  Unshare the result.
        (get_computation_aff, multiplier_allowed_in_address_p): New function.
        (multiply_by_cost): Exported.
        (get_address_cost): Use multiplier_allowed_in_address_p.
        * tree-ssa-operands.c (get_tmr_operands): New function.
        (get_expr_operands): Handle TARGET_MEM_REFs.
        * tree.c (copy_node_stat): Copy annotations for TARGET_MEM_REFs.
        (build): Handle 7 arguments.
        (build7_stat): New function.
        * tree.def (TARGET_MEM_DEF): New.
        * tree.h (REF_ORIGINAL): Removed.
        (TMR_SYMBOL, TMR_BASE, TMR_INDEX, TMR_STEP, TMR_OFFSET, TMR_ORIGINAL,
        TMR_TAG, build7): New macros.
        (build7_stat, tree_mem_ref_addr, copy_mem_ref_info): Declare.
        * tree-ssa-ccp.c (fold_stmt_r): Call maybe_fold_tmr.
        * doc/c-tree.texi: Document TARGET_MEM_REF.
        * doc/tree-ssa.texi: Add TARGET_MEM_REF to gimple grammar.

2005-06-07  Jakub Jelinek  <jakub@redhat.com>

        PR debug/21946
        * dwarf2out.c (add_loc_descr_op_piece): New function.
        (multiple_reg_loc_descriptor, concat_loc_descriptor,
        loc_descriptor): Use it.
        * var-tracking.c: Include regs.h and expr.h.
        (emit_note_insn_var_location): Skip over pieces where offset
        is smaller than previous offset plus previous piece mode size.
        Optimize adjacent hard registers or memory locations.
        * Makefile.in (var-tracking.o): Depend on $(REGS_H) and $(EXPR_H).

2005-06-07  Richard Guenther  <rguenth@gcc.gnu.org>

        * c-typeck.c (c_finish_if_stmt): Use void_type_node as type
        for COND_EXPR.
        * gimplify.c (gimplify_cond_expr): No need to fix up the
        type of COND_EXPRs.

2005-06-07  Richard Guenther  <rguenth@gcc.gnu.org>

        * tree-ssa.c (tree_ssa_useless_type_conversion_1): Fix
        comments.

2005-06-07  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/host-darwin.c (segv_handler): Widen the possible
        'stwux' instructions that are considered to be stack decrements.

        * rtlanal.c (subreg_offset_representable_p): Handle objects
        with holes.

2005-06-06  Uros Bizjak  <uros@kss-loka.si>

        * mode-switching.c (optimize_mode_switching): Fix n_exprs parameter
        in call to pre_edge_lcm.

2005-06-06  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/linux-unwind.h (SH_DWARF_FRAME_XD0): Remove for SH5.
        (SH_DWARF_FRAME_PR, SH_DWARF_FRAME_GBR, SH_DWARF_FRAME_MACL)
        (SH_DWARF_FRAME_MACH, SH_DWARF_FRAME_PC, SH_DWARF_FRAME_FPUL):
        Likewise.
        (SH_DWARF_FRAME_FP0, SH_DWARF_FRAME_FPSCR): Define to the correct
        dwarf register number for SHmedia.
        (shmedia_fallback_frame_state): New.
        (MD_FALLBACK_FRAME_STATE_FOR): Define to it for SH5.

        * config/sh/linux.h (FUNCTION_PROFILER): Provide SHMEDIA version.

2005-06-06  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * c-lex.c (lex_string): Use XOBFINISH.
        * collect2.c (extract_string, dump_file): Likewise.
        * dbxout.c (dbxout_finish_complex_stabs): Likewise.
        * gcc.c (init_spec, build_search_list, convert_filename, 
        set_collect_gcc_options, do_spec_2, do_spec_1, main): Likewise.
        * genpreds.c (write_predicate_subfunction): Likewise.
        * genflags.c (main): Likewise.
        * read-rtl.c (mode_attr_index, apply_macro_to_string, 
        join_c_conditions, read_quoted_string, read_braced_string, 
        read_rtx_1): Likewise.
        * stringpool.c (ggc_alloc_string): Likewise.
        * tlink.c (obstack_fgets, recompile_files): Likewise.

2005-06-06  Jakub Jelinek  <jakub@redhat.com>

        * intl.h (G_): New macro.
        * rtl-error.c (error_for_asm, warning_for_asm): Use gmsgid
        instead of msgid for argument name.
        * tree-ssa.c (warn_uninit): Likewise.
        * c-parser.c (c_parser_error): Likewise.
        * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
        * config/darwin-c.c (BAD): Likewise.
        * config/c4x/c4x-c.c (BAD): Likewise.
        * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
        * c-errors.c (pedwarn_c99, pedwarn_c90): Likewise.
        * c-common.c (c_parse_error): Likewise.
        * diagnostic.c (diagnostic_set_info, verbatim, inform, warning,
        warning0, pedwarn, error, sorry, fatal_error, internal_error):
        Likewise.
        (fnotice): Use cmsgid instead of msgid for argument name.
        * gcov.c (fnotice): Likewise.
        * protoize.c (notice): Likewise.
        * final.c (output_operand_lossage): Likewise.
        * gcc.c (fatal, notice): Likewise.
        (error): Use gmsgid instead of msgid for argument name.
        * collect2.c (notice, fatal_perror, fatal): Use cmsgid instead
        of msgid for argument name.
        (error): Use gmsgid instead of msgid for argument name.
        * c-decl.c (locate_old_decl, implicit_decl_warning): Use G_()
        instead of N_().
        * c-typeck.c (readonly_error, convert_for_assignment): Likewise.
        * tree-inline.c (inline_forbidden_p_1): Likewise.
        * ABOUT-GCC-NLS: Require gettext 0.14.5 or later.  Mention the new
        conventions for marking translations.
        * doc/install.texi: Mention gettext 0.14.5 or later requirement.

        * tree-chrec.c (reset_evolution_in_loop): Use build3 instead of
        build2.

        * fold-const.c (operand_equal_p): Don't return 1, if element
        chains for 2 VECTOR_CSTs are not the same length.

        PR regression/21897
        * fold-const.c (fold_ternary) <case BIT_FIELD_REF>: Don't crash if
        not all VECTOR_CST elements are given.

        * combine.c (try_combine): Use hard_regno_nregs array instead of
        HARD_REGNO_NREGS macro.
        * config/rs6000/rs6000.c (rs6000_split_multireg_move,
        rs6000_register_move_cost, rs6000_memory_move_cost): Likewise.
        * config/ia64/ia64.c (mark_reg_gr_used_mask): Likewise.

2005-06-06  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-reassoc.o: New.
        (OBJS-common): Add tree-ssa-reassoc.o
        * timevar.def: Add TV_TREE_REASSOC
        * tree-optimize.c (pass_reassoc): Add call.
        * tree-pass.h (pass_reassoc): Add.
        * tree-ssa-reassoc.c: New file.

2005-06-06  Eric Christopher  <echristo@redhat.com>

        target/21927
        * expr.c (do_store_flag): Remove check for non-negative BRANCH_COST.

2005-06-06  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Guard with
        HAVE_GAS_MAX_SKIP_P2ALIGN.
        (HAVE_AS_DWARF2_DEBUG_LINE): Remove.

2005-06-06  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * Makefile.in (mips-tfile.o): Add $(srcdir)/../include prefix to
        getopt.h dependency.
        (mips-tdump.o): Likewise.

2005-06-06  Jan Hubicka  <jh@suse.cz>

        * predict.c (tree_predict_edge): Don't drop useless predictions;
        check that it is not called too late in the game.
        (gate_estimate_probability): New gate.
        (pass_profile): Gate.
        * tree-mudflap.c (mf_build_check_statement_for): Do not drop
        predictions; update CFG instead.
        * cfgrtl.c (rtl_verify_flow_info): Check that predcitions are consumed.

2005-06-06  Jie Zhang  <jie.zhang@analog.com>

        * config.gcc (bfin*-uclinux*): New.
        * config/bfin/uclinux.h: New file.

2005-06-06  Ben Elliston  <bje@au.ibm.com>

        * doc/md.texi (Insn Splitting): Fix some wording.

2005-06-05  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_emit_swdivsf): New function.
        (rs6000_emit_swdivdf): New function.
        * config/rs6000/rs6000.md (fres): New pattern.
        (divsf3): Add approximation through rs6000_emit_swdivsf.
        (fred): New pattern.
        (divdf3): Add approximation through rs6000_emit_swdivdf.
        * config/rs6000/rs6000-protos.h (rs6000_emit_swdivsf): Declare.
        (rs6000_emit_swdivdf): Declare.
        * config/rs6000/rs6000.opt (mswdiv): New option.
        * doc/invoke.texi (RS/6000 and PowerPC Options): Document mswdiv.

2005-06-05  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/21846
        * tree-cfg.c (replace_uses_by): Update information stored at loops.
        * tree-flow.h (substitute_in_loop_info): Declare.
        * tree-scalar-evolution.c (initialize_scalar_evolutions_analyzer):
        Ensure that chrec_dont_know and chrec_known have a type.
        * tree-ssa-loop-niter.c (substitute_in_loop_info): New function.

2005-06-05  Steven Bosscher  <stevenb@suse.de>

        * config/i386/i386.c (x86_use_loop): Remove.
        * config/i386/i386.h (x86_use_loop): Remove extern decl.
        (TARGET_USE_LOOP): Remove.
        * config/i386/i386.md (doloop_end, doloop_end_internal): Remove.
        Also remove related define_splits.

2005-06-05  Dorit Nuzman  <dorit@il.ibm.com>

        * tree-flow.h (stmt_ann_d): Move aux to ...
        (tree_ann_common_d): ... here.
        * tree-ssa-loop-im.c (LIM_DATA, determine_invariantness_stmt,
        move_computations_stmt, schedule_sm): Update references to
        aux.
        * tree-vectorizer.h (set_stmt_info, vinfo_for_stmt): Likewise.
        * tree-vect-transform.c (vect_create_index_for_vector_ref): Update
        call to set_stmt_info.
        (vect_transform_loop): Likewise.
        * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info):
        Likewise.

        * tree-vect-analyze.c (vect_analyze_scalar_cycles): Made void instead of
        bool.
        (vect_mark_relevant): Takes two additional arguments - live_p and
        relevant_p. Set RELEVANT_P and LIVE_P according to these arguments.
        (vect_stmt_relevant_p): Differentiate between a live stmt and a
        relevant stmt. Return two values = live_p and relevant_p.
        (vect_mark_stmts_to_be_vectorized): Call vect_mark_relevant and
        vect_stmt_relevant_p with additional arguments. Phis are no longer
        put into the worklist (analyzed seperately in analyze_scalar_cycles).
        (vect_determine_vectorization_factor): Also check for LIVE_P, because a
        stmt that is marked as irrelevant and live, cause it's only used out
        side the loop, may need to be vectorized (e.g. reduction).
        (vect_analyze_operations): Examine phis. Call
        vectorizable_live_operation for for LIVE_P stmts. Check if
        need_to_vectorize.
        (vect_analyze_scalar_cycles): Update documentation. Don't fail
        vectorization - just classify the scalar cycles created by the loop
        phis. Call vect_is_simple_reduction.
        (vect_analyze_loop): Call to analyze_scalar_cycles moved earlier.
        * tree-vect-transform.c (vect_create_index_for_vector_ref): Update
        call to set_stmt_info.
        (vect_get_vec_def_for_operand): Code reorganized - the code that
        classifies the type of use was factored out to vect_is_simple_use.
        (vectorizable_store, vect_is_simple_cond): Call vect_is_simple_use with
        additional arguments.
        (vectorizable_assignment): Likewise. Also make sure the stmt is relevant
        and computes a loop_vec_def.
        (vectorizable_operation, vectorizable_load, vectorizable_condition):
        Likewise.
        (vectorizable_live_operation): New.
        (vect_transform_stmt): Handle LIVE_P stmts.
        * tree-vectorizer.c (new_stmt_vec_info): Initialize the new fields
        STMT_VINFO_LIVE_P and STMT_VINFO_DEF_TYPE.
        (new_loop_vec_info, destroy_loop_vec_info): Also handle phis.
        (vect_is_simple_use): Determine the type of the def and return it
        in a new function argument. Consider vect_reduction_def and
        vect_induction_def, but for now these are not supported.
        (vect_is_simple_reduction): New. Empty for now.
        * tree-vectorizer.h (vect_def_type): New enum type.
        (_stmt_vec_info): Added new fields - live and _stmt_vec_info.
        (STMT_VINFO_LIVE_P, STMT_VINFO_DEF_TYPE): New accessor macros.
        (vect_is_simple_use): New arguments added to function declaration.
        (vect_is_simple_reduction): New function declaration.
        (vectorizable_live_operation): New function declaration.

        * tree-vect-analyze.c (vect_can_advance_ivs_p): Add debug printout.
        (vect_can_advance_ivs_p): Likewise.
        * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Likewise.

2005-06-05  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips.c (mips_rtx_costs): Remove unused variable.

2005-06-05  Hans-Peter Nilsson  <hp@bitrange.com>

        PR target/21914
        * config/mmix/mmix.md ("*movdicc_real_foldable")
        ("*movdfcc_real_foldable", "*bCC_foldable")
        ("*bCC_inverted_foldable"): Specify DImode for register being
        compared.

2005-06-04  Roger Sayle  <roger@eyesopen.com>

        * reg-stack.c (struct block_info_def): Correct grammar typo.
        (compensate_edge): Clean-up.  Perform as little work as possible
        when src and dest stacks match.  Avoid modifying block_info.
        Reorder and simplify assertion checks.  Avoid unnecessary copying
        of regstack structure.
        (convert_regs_1): Set the done flag here...
        (convert_regs_2): ... instead of here.

2005-06-04  Dale Johannesen  <dalej@apple.com>

        * config/rs6000/rs6000.c (no_global_regs_above): New.
        (rs6000_emit_prologue):  Use it; cosmetic formatting fixes.
        (rs6000_emit_epilogue):  Use it; cosmetic formatting fixes.
        (rs6000_conditional_register_usage): Don't put Darwin PIC
        register in global_regs.
        (rs6000_stack_info):  Don't set lr_save_p just because Darwin 
        PIC reg used.
        (rs6000_emit_prologue):  Save LR in R0 around Darwin PIC setup,
        if not done by lr_save_p.
        * config/rs6000/rs6000.md (insnv1_internal1):  Back out 05-18 patch.
        Use rotate instead of ashift.
        (call_indirect_nonlocal_sysv):  Prefer CTR to LR.
        (call_value_indirect_nonlocal_sysv):  Ditto.

2005-06-04  Jan Hubicka  <jh@suse.cz>

        * cgraphunit.c (cgraph_reset_node): Break out from ...
        (cgraph_finalize_function): ... here.
        (cgraph_finalize_compilation_unit): Reset nodes where backend
        removed the body.

2005-06-04  Richard Henderson  <rth@redhat.com>

        PR target/21888
        * config/alpha/alpha.c (alpha_align_insns): Don't insert nops
        until we've passed initial ldgp.

2005-06-04  Daniel Berlin  <dberlin@dberlin.org>

        * cfgexpand.c (expand_one_var): Use DECL_HAS_VALUE_EXPR_P.
        * dwarf2out.c (loc_descriptor_from_tree_1): Ditto.
        * expr.c (expand_var): Ditto.   
        * function.c (gimplify_parameters): Use SET_DECL_VALUE_EXPR too.
        * gimplify.c (gimplify_decl_expr): Ditto.
        (gimplify_expr): Ditto.
        * tree-mudflap.c (mf_decl_eligible_p): Use DECL_HAS_VALUE_EXPR_P.
        * tree.c (value_expr_for_decl): New.
        (print_value_expr_statistics): New.
        (init_ttree): Init value_expr_for_decl.
        (decl_value_expr_lookup): New.
        (decl_value_expr_insert): Ditto.
        (copy_node_stat): Copy DECL_VALUE_EXPR status.
        * tree.h (DECL_VALUE_EXPR): Use hashtable.
        (SET_DECL_VALUE_EXPR): New.
        (DECL_HAS_VALUE_EXPR_P): New.

2005-06-04  Steven Bosscher  <stevenb@suse.de>

        * lcm.c: Move all mode-switching related functions from here...
        * mode-switching.c: ...to this new file.
        * doc/passes.texi: Update accordingly.

        * basic-block.h (label_value_list): Remove extern decl.
        * cfgrtl.c (label_value_list): Remove.
        (can_delete_label_p): Don't look at it.
        * cfgcleanup.c (cleanup_cfg): Don't free it.

        * common.opt: Don't refer to non-existing flag_alias_check.

2005-06-04  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power5.

2005-06-04  Kazu Hirata  <kazu@codesourcery.com>

        * function.c (prologue, epilogue, sibcall_epilogue): Change
        their types to VEC(int,heap)*.
        (free_after_compilation): Free the three vectors above.
        (init_function_for_compilation, record_insns, contains,
        prologue_epilogue_contains, sibcall_epilogue_contains,
        reposition_prologue_and_epilogue_notes): Use VEC instead of
        VARRAY.  (init_function_once): Remove.
        * function.h: Remove the prototype for init_function_once.
        * toplev.c (backend_init): Don't call init_function_once.

2005-06-04  Jan Hubicka  <jh@suse.cz>

        * predict.c (tree_predict_edge): Do not predict entry edge and
        single succestor edge.

2005-06-04  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/21873
        * c-typeck.c (push_init_level): Don't pop levels without braces if
        implicit == 1.

2005-06-03  Sebastian Pop  <pop@cri.ensmp.fr>
        
        * tree-data-ref.c (compute_self_dependence): New function.
        (compute_all_dependences): Use it.

2005-06-03  Geoffrey Keating  <geoffk@apple.com>

        * c-parser.c (c_parser_parms_declarator): Don't use chainon().
        (c_parser_expr_list): Don't use chainon().

        * config/darwin.h (LINK_SPEC): Pass -syslibroot to linker
        when -isysroot passed.

2005-06-03  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/21879
        * c-decl.c (start_function): Restore label_context_stack_se and
        label_context_stack_vm  if returning with an error.

2005-06-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * configure.ac: Check declaration for asprintf, needed by
        libiberty.h. 
        * configure: Regenerate.
        * config.in: Likewise.

2005-06-03  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa-dom.c (record_edge_info): Use last_basic_block to
        allocate info array.
        * tree-vrp.c (extract_range_from_unary_expr): Set resulting
        range to varying in cast expressions that change
        TYPE_PRECISION.

2005-06-03  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips.opt: Add RejectNegative to divide-breaks and
        divide-traps.

2005-06-03  Jan Hubicka  <jh@suse.cz>

        * basic-block.h (remove_predictions_associated_with_edge): Declare.
        * cfg.c (remove_edge): Use it.
        * predict.c (remove_predictions_associated_with_edge): New function.

2005-06-03  Pat Haugen  <pthaugen@us.ibm.com>

        * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
        Clear call_realy_used_regs[r2] when ABI_AIX.

2005-06-03  Richard Guenther  <rguenth@gcc.gnu.org>

        PR middle-end/21858
        * fold-const.c (fold_binary): Fix type mismatches in folding
        of comparisons.

2005-06-03  Kazu Hirata  <kazu@codesourcery.com>

        * cgraph.c, cgraphunit.c, config/mips/mips.c: Fix comment
        typos.

2005-06-03  Joseph S. Myers  <joseph@codesourcery.com>

        * collect2.c (maybe_unlink): Use unlink_if_ordinary.

2005-06-02  Bernd Schmidt  <bernd.schmidt@analog.com>

        * reload1.c (reload): Revert my previous patch.

2005-06-03  Nick Clifton  <nickc@redhat.com>

        * config/arm/semi.h (ASM_SPEC): Fix typo passing -mfloat-abi to
        assembler.

2005-06-03  Kazu Hirata  <kazu@codesourcery.com>

        PR tree-optimization/21849
        * tree-ssa-copy.c (dump_copy_of): Call sbitmap_zero.

2005-06-02  Richard Henderson  <rth@redhat.com>

        * Makefile.in (tree-vect-generic.o): New.
        (OBJS-common, GTFILES, s-gtype): Add it.
        * tree-complex.c (build_replicated_const, vector_inner_type,
        vector_last_type, vector_last_nunits, build_word_mode_vector_type,
        elem_op_func, tree_vec_extract, do_unop, do_binop, do_plus_minus,
        do_negate, expand_vector_piecewise, expand_vector_parallel, 
        expand_vector_addition, expand_vector_operation, 
        type_for_widest_vector_mode, expand_vector_operations_1, 
        gate_expand_vector_operations, expand_vector_operations, 
        pass_lower_vector_ssa): Move to tree-vect-generic.c.
        (tree_lower_complex): Rename from tree_lower_operations.
        (pass_lower_complex): Rename from pass_pre_expand.
        * tree-vect-generic.c: New file.
        * tree-pass.h (pass_lower_complex): Rename from pass_pre_expand.
        (pass_lower_vector): New.
        * tree-optimize.c (init_tree_optimization_passes): Update to match.

2005-06-02  Richard Henderson  <rth@redhat.com>

        * modulo-sched.c (doloop_register_get): Protect against 
        doloop_end not defined.

2005-06-02  Kazu Hirata  <kazu@codesourcery.com>

        * config/sh/sh.c (general_movsrc_operand,
        general_movdst_operand, arith_reg_operand, arith_reg_dest,
        logical_reg_operand, int_gpr_dest, fp_arith_reg_operand,
        fp_arith_reg_dest, arith_operand, arith_reg_or_0_operand,
        xor_operand, cmp_operand, logical_operand, and_operand,
        fpscr_operand, fpul_operand, symbol_ref_operand,
        commutative_float_operator, noncommutative_float_operator,
        unary_float_operator, binary_float_operator,
        binary_logical_operator, equality_comparison_operator,
        greater_comparison_operator, less_comparison_operator,
        shift_operator, logical_operator, target_reg_operand,
        target_operand, mextr_bit_offset, extend_reg_operand,
        trunc_hi_operand, extend_reg_or_0_operand, minuend_operand,
        general_extend_operand, ua_address_operand,
        cache_address_operand, inqhi_operand, sh_rep_vec, sh_1el_vec,
        sh_const_vec, ua_offset, sh_register_operand, cmpsi_operand,
        shift_count_reg_operand, shift_count_operand,
        unaligned_load_operand): Move to ...
        * config/sh/predicates.md: ... here.
        * config/sh/sh.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
        Remove.

2005-06-02  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree.c (build_common_builtin_nodes): Fix the return type on
        __builtin_memcmp.

2005-06-02  Richard Guenther  <rguenth@gcc.gnu.org>

        * tree-ssa-loop-ivopts.c (build_addr_strip_iref): Remove.
        (find_interesting_uses_address): Use build_fold_addr_expr instead.
        (strip_offset_1): Likewise.
        (tree_to_aff_combination): Likewise.

2005-06-02  DJ Delorie  <dj@redhat.com>

        * convert.c (convert_to_pointer): Avoid recursion if no conversion
        is needed.

2005-06-02  Richard Guenther  <rguenth@gcc.gnu.org>

        * tree-chrec.c (chrec_fold_plus_1): Ensure we build
        binary operations with the correct types.
        * tree-ssa-loo-ivopts.c (idx_find_step): Use sizetype
        for all computation.

2005-06-02  Kazu Hirata  <kazu@codesourcery.com>

        * tree-vrp.c, config/arm/arm.md, config/arm/arm1020e.md,
        config/rs6000/rs6000.md: Fix comment typos.  Follow splling
        conventions.
        * doc/install.texi: Fix a typo.

2005-06-02  Jan Hubicka  <jh@suse.cz>

        * cgraphunit.c (cgraph_function_and_variable_visibility): Extern
        inline functions are not local.

2005-06-02  Kazu Hirata  <kazu@codesourcery.com>

        * gimplify.c (gimplify_ctx): Change the type of case_labels to
        VEC from VARRAY.
        (gimplify_switch_expr, gimplify_case_label_expr): Adjust uses
        of case_labels.

2005-06-02  Richard Guenther  <rguenth@gcc.gnu.org>

        * c-typeck.c (build_indirect_ref): Build INDIRECT_REF
        with correct type.

2005-06-02  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_add_execute): Do not handle out-of-pool
        execute templates.
        (s390_dump_pool): Likewise.
        (s390_mainpool_start, s390_mainpool_finish): Likewise.
        (s390_chunkify_start): Likewise.
        (s390_dump_execute): Remove.
        (s390_reorg): Handle out-of-pool execute templates.

2005-06-02  Adrian Straetling  <straetling@de.ibm.com>

        * optabs.c: (expand_bool_compare_and_swap): Emit barrier after
          unconditional jump.

2005-06-02  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_node): Maintain master clones.
        (cgraph_remove_node): Likewise.
        (availability_names): New static variable.
        (dump_cgraph_node): Dump availability.
        (dump_cgraph_varpool_node): Likewise.
        (cgraph_is_master_clone, cgraph_master_clone,
        cgraph_function_body_availability,
        cgraph_variable_initializer_availability): New functions.
        * cgraph.h (availability): New enum.
        (struct cgraph_node): Add master_clone.
        (cgraph_is_master_clone, cgraph_master_clone,
        cgraph_function_body_availability,
        cgraph_variable_initializer_availability): Declare.
        * cgraphunit.c (cgraph_expand_function): Setcgraph_function_flags_ready.
        (cgraph_remove_unreachable_nodes): Remove unreachable nodes.
        * ipa-inline.c (cgraph_decide_inlining): Do not call
        cgraph_remove_unreachable_nodes.

        * cgraphunit.c (cgraph_function_and_variable_visibility): Fix typo in
        previous patch.

2005-06-02  Diego Novillo  <dnovillo@redhat.com>

        PR 21582
        * tree-vrp.c (nonnull_arg_p): New.
        (get_value_range): Call it.

2005-06-02  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips.h (processor_type): Remove PROCESSOR_DEFAULT,
        add PROCESSOR_MAX.
        (mips_rtx_cost_data): New datatype.
        (MEMORY_MOVE_COST): Use data from structure.
        (BRANCH_COST): Ditto.
        (LOGICAL_OP_NON_SHORT_CIRCUIT): Define to zero.
        * config/mips/mips.md (cpu): Rework for processor_type changes.
        * config/mips/mips.c (mips_cost): New variable.
        (DEFAULT_COSTS): Define.
        (mips_rtx_cost_data): New.
        (mips_rtx_costs): Use. Minor formatting changes. Use COSTS_N_INSNS
        for NEG cost. Add support for FLOAT, UNSIGNED_FLOAT, FIX,
        FLOAT_EXTEND, FLOAT_TRUNCATE, and SQRT.
        (override_options): Set cost data.
        (mips_register_move_cost): Formatting changes.
        (bdesc_arrays): Use PROCESSOR_MAX.
        (mips_init_builtins): Ditto.

2005-06-02  Diego Novillo  <dnovillo@redhat.com>

        PR 21765
        * doc/invoke.texi: Document -ftree-vrp.

2005-06-02  Dorit Nuzman  <dorit@il.ibm.com>

        PR tree-optimization/21734
        * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop): Use the
        phi_result when current_def is not available.
        (slpeel_update_phi_nodes_for_guard1): Don't fail if current_def is not
        available.      

2005-06-02  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_insn_valid_within_doloop): New.
        (TARGET_INSN_VALID_WITHIN_DOLOOP): Define.

2005-06-02  Diego Novillo  <dnovillo@redhat.com>

        * tree-vrp.c (has_assert_expr, maybe_add_assert_expr): Remove.

2005-06-02  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (dump_cgraph_node): Print new flags.
        (dump_cgraph_varpool_node): Likewise.
        (decide_variable_is_needed): Initialize externally_visible flag.
        * cgraph.h (cgraph_local_info): Add externally_visible flag.
        (cgraph_varpool_node): Likewise.
        (cgraph_function_flags_ready): Declare.
        * cgraph.c (cgraph_mark_local_functions): Rename to ...
        (cgraph_function_and_variable_visibility) ... this one; handle
        externally_visible flags.
        (decide_is_function_needed): Set externally_visible flag.
        (cgraph_finalize_function): Deal properly with early cleanups.
        (cgraph_optimize): Update call of
        cgraph_function_and_variable_visibility.

2005-06-02 Steven Bosscher  <stevenb@suse.de>
           Mostafa Hagog <mustafa@il.ibm.com>

        * cfgloop.h (doloop_condition_get): Make external.
        * loop-doloop.c (doloop_condition_get): Generalize to make it
        usable in modulo-sched.c.
        * modulo-sched.c (doloop_register_get): Use
        doloop_condition_get instead of duplicating it.

2005-06-02  Bernd Schmidt  <bernd.schmidt@analog.com>

        * reload1.c (reload): Undo 2005-04-20 change.  Make sure we detect
        the correct set of init_insns that need deletion.
        * local-alloc.c (update_equiv_regs): When substituting sole definition
        into sole use of a reg, delete it from liveness information.

2005-06-02  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.h (TARGET_FPU_DOUBLE): Use MASK_SH4.

2005-06-01  Diego Novillo  <dnovillo@redhat.com>

        PR 14341, PR 21332, PR 20701, PR 21029, PR 21086, PR 21090
        PR 21289, PR 21348, PR 21367, PR 21368, PR 21458.
        * fold-const.c (invert_tree_comparison): Make extern.
        * tree-flow.h (enum value_range_type): Move to tree-ssa-propagate.
        (struct value_range_def): Limewise.
        (get_value_range): Remove.
        (dump_value_range): Remove.
        (dump_all_value_ranges): Remove.
        (debug_all_value_ranges): Remove.
        (vrp_evaluate_conditional): Declare.
        * tree-ssa-propagate.c (struct prop_stats_d): Add field
        num_pred_folded.
        (substitute_and_fold): Add argument use_ranges_p.
        Update all callers.
        If use_ranges_p is true, call fold_predicate_in to fold
        predicates using range information.
        Ignore ASSERT_EXPRs.
        Change debugging output to only show statements that have been
        folded.
        (replace_phi_args_in): Move debugging output code from
        substitute and fold.
        (fold_predicate_in): New local function.
        * tree-ssa-propagate.h (enum value_range_type): Move from
        tree-flow.h.
        (struct value_range_d): Likewise.
        Add field 'equiv'. 
        (value_range_t): Rename from value_range.
        * tree-vrp.c (found_in_subgraph): Rename from found.
        (get_opposite_operand): Remove.
        (struct assert_locus_d): Declare.
        (assert_locus_t): Declare.
        (need_assert_for): Declare.
        (asserts_for): Declare.
        (blocks_visited): Declare.
        (vr_value): Declare.
        (set_value_range): Add argument 'equiv'.
        Don't drop to VARYING ranges that cover all values in the
        type.
        Make deep copy of equivalence set 'equiv'.
        (copy_value_range): New local function.
        (set_value_range_to_undefined): New local function.
        (compare_values): Return -2 if either value has overflowed.
        (range_includes_zero_p): New local function.
        (extract_range_from_assert): Flip the predicate code if the
        name being asserted is on the RHS of the predicate.
        Avoid creating unnecessary symbolic ranges if the comparison
        includes another name with a known numeric range.
        Update the equivalnce set of the new range when asserting
        EQ_EXPR predicates.
        (extract_range_from_ssa_name): Update the equivalence set of
        the new range with VAR.
        (extract_range_from_binary_expr): Also handle TRUTH_*_EXPR.
        If -fwrapv is used, set the resulting range to VARYING if the
        operation overflows.  Otherwise, use TYPE_MIN_VALUE and
        TYPE_MAX_VALUE to represent -INF and +INF.
        Fix handling of *_DIV_EXPR.
        (extract_range_from_unary_expr): Handle MINUS_EXPR and
        ABS_EXPR properly by switching the range around if necessary.
        (extract_range_from_comparison): New local function.
        (extract_range_from_expr): Call it.
        (adjust_range_with_scev): Do not adjust the range if using
        wrapping arithmetic (-fwrapv).
        (dump_value_range): Also show equivalence set.
        Show -INF and +INF for TYPE_MIN_VALUE and TYPE_MAX_VALUE.
        (build_assert_expr_for): Also build ASSERT_EXPR for EQ_EXPR.
        (infer_value_range): Change return value to bool.
        Add arguments 'comp_code_p' and 'val_p'.
        Do not attempt to infer ranges from statements that may throw.
        Store the comparison code in comp_code_p.
        Store the other operand to be used in the predicate in val_p.
        (dump_asserts_for): New.
        (debug_asserts_for): New.
        (dump_all_asserts): New.
        (debug_all_asserts): New.
        (register_new_assert_for): New.
        (register_edge_assert_for): New.
        (find_conditional_asserts): New.
        (find_assert_locations): New.
        (process_assert_insertions_for): New.
        (process_assert_insertions): New.
        (insert_range_assertions): Initialize found_in_subgraph,
        blocks_visited, need_assert_for and asserts_for.
        Call find_assert_locations and process_assert_insertions.
        (remove_range_assertions): Add more documentation.
        (vrp_initialize): Change return type to void.
        Do not try to guess if running VRP is worth it.  
        (compare_name_with_value): New.
        (compare_names): New.
        (vrp_evaluate_conditional): Add argument 'use_equiv_p'.  If
        use_equiv_p is true, call compare_names and
        compare_name_with_value to compare all the ranges for every
        name in the equivalence set of the predicate operands.
        Update all callers.
        (vrp_meet): Try harder not to derive a VARYING range.
        If two values meet, the resulting equivalence set is the
        intersection of the two equivalence sets.
        (vrp_visit_phi_node): Call copy_value_range to get the current
        range information of the LHS.
        (vrp_finalize): Create a value vector representing all the
        names that ended up with exactly one value in their range.
        Call substitute_and_fold.
        (execute_vrp): Document equivalence sets in ranges.
        * tree.h (SSA_NAME_VALUE_RANGE): Remove.
        (struct tree_ssa_name): Remove field value_range.
        (invert_tree_comparison): Declare.

2005-06-01  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/21839

        * gimplify.c (zero_sized_field_decl): New function.
        (gimplify_init_ctor_eval): Use it.

2005-06-01  Josh Conner <jconner@apple.com>

        PR 21478
        * gimplify.c (gimplify_init_constructor): Don't spill initializer
        to read-only memory if it's sparse.

2005-06-01  Ramana Radhakrishnan  <ramana@codito.com>

        * doc/rtl.texi: Remove references to NOTE_INSN_SETJMP. 
        Add documentation for REG_SETJMP

2005-06-01  Richard Guenther  <rguenth@gcc.gnu.org>

        * stmt.c (expand_case): Use build_int_cst.
        (node_has_low_bound): Likewise, and correct type mismatch.
        (node_has_high_bound): Likewise.
        * fold-const.c (fold_binary): Ensure we build trees
        with the correct types - undo what STRIP_NOPS possibly did.

2005-06-01  Richard Guenther  <rguenth@gcc.gnu.org>

        * tree.h (fold_indirect_ref_1): Export from fold-const.c.
        * fold-const.c (fold_indirect_ref_1): No longer static.
        * tree-inline.c (copy_body_r): Use fold_indirect_ref_1 for
        folding, if possible.

2005-06-01  Joseph S. Myers  <joseph@codesourcery.com>

        * common.opt (fjump-tables): New.
        * doc/invoke.texi (-fno-jump-tables): Document.
        * stmt.c (expand_end_case_type): Do not emit jump tables unless
        flag_jump_tables.

2005-06-01  Richard Earnshaw  <richard.earnshaw@arm.com>

        * arm.md (bunordered, bordered, bungt, bunlt, bunge, bunle, buneq)
        (bltgt, arm_buneq, arm_bltgt, sunordered, sordered, sungt, sunge)
        (sunlt, sunle): Enable patterns on VFP.

        * arm.md (attribute 'type'): Add new types - f_loads floadd, f_stores,
        f_stored, f_flag, f_cvt.
        (generic_sched): No-longer used for the arm1020e and arm1022e cores.
        Include arm1020e.md.
        * vfp.md (fmstat): New cpu unit.  Add an exclusion set between it and
        the ds and fmac pipelines.  Re-work all load and store patterns and
        all conversion patterns to use new attributes.  Adjust reservation
        descriptions accordingly.
        * arm1020e.md: New file.
        * t-arm: Add dependency.

2005-06-01  Jan Hubicka  <jh@suse.cz>

        * except.c (struct eh_region): Kill unused fields.
        * basic-block.h (struct basic_block_def): Likewise.

2005-06-01  J"orn Rennecke <joern.rennecke@st.com>

        PR rtl-optimization/21767
        * rtl.h (function_invariant_p): Re-add declaration.
        * reload1.c (function_invariant_p): No longer static.
        * ifcvt.c (dead_or_predicable): Remove REG_EQUAL notes that
        might have become invalid.

2005-06-01  Jakub Jelinek  <jakub@redhat.com>

        PR c/21536
        PR c/20760
        * gimplify.c (gimplify_decl_expr): Call gimplify_type_sizes
        on variable sizes types if a decl is a pointer to a VLA.
        (gimplify_type_sizes): Handle POINTER_TYPE and REFERENCE_TYPE.
        Call gimplify_type_sizes on aggregate fields.  Prevent infinite
        recursion.

        * fold-const.c (fold_ternary): Optimize BIT_FIELD_REF of VECTOR_CST.

        * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss, _mm_set1_ps,
        _mm_set_ps, _mm_setr_ps): Add __extension__.
        * config/i386/emmintrin.h (_mm_set_sd, _mm_set1_pd, _mm_set_pd,
        _mm_setr_pd, _mm_setzero_pd, _mm_set_epi64x, _mm_set_epi64x,
        _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128):
        Likewise.
        (_mm_clflush): Don't use return in void function.

        * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128,
        _mm_castps_pd, _mm_castps_si128, _mm_castsi128_ps, _mm_castsi128_pd):
        Use __inline instead of inline.

2005-06-01  Richard Guenther  <rguenth@gcc.gnu.org>

        * fold-const.c (fold_binary): Fix types in strlen vs.
        zero comparison folding.

2005-06-01  Richard Henderson  <rth@redhat.com>

        * configure.ac (HAVE_AS_JSRDIRECT_RELOCS): New.
        * config.in, configure: Rebuild.
        * config/alpha/alpha.c (print_operand): Add 'j'.
        * alpha.md (divmodsi_internal_er_1): Use it.
        (divmoddi_internal_er_1): Likewise.

2005-06-01  Richard Sandiford  <rsandifo@redhat.com>

        * system.h (TARGET_OPTIONS, TARGET_SWITCHES): Poison.
        * opts.h (print_filtered_help): Delete.
        * opts.c (handle_option, decode_options): Remove calls to
        set_target_switch.
        (print_target_help): New function.
        (common_option, print_help): Call print_target_help instead of
        display_target_options.
        (print_filtered_help): Make static.
        * toplev.h (display_target_options, set_target_switch): Delete.
        * toplev.c (target_switches, target_options, display_target_options)
        (set_target_switch): Delete.
        (print_switch_values): Remove handling of TARGET_SWITCHES and
        TARGET_OPTIONS.
        (default_get_pch_validity): Likewise.  Only treat target_flags
        specially if targetm.check_pch_target_flags is nonnull.
        (pch_option_mismatch): New function.
        (default_pch_valid_p): Use it.  Remove handling of TARGET_SWITCHES
        and TARGET_OPTIONS.  Only treat target_flags specially if
        targetm.check_pch_target_flags is nonnull.
        * config/ia64/ia64.c (ia64_override_options): Don't mention
        TARGET_OPTIONS in comment.
        * config/m68k/m68k-none.h (CC1_SPEC): Likewise.
        * doc/invoke.texi: Remove a reference to TARGET_SWITCHES.
        * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS): Don't mention the
        interaction with TARGET_SWITCHES.
        (TARGET_@var{featurename}, TARGET_SWITCHES, TARGET_OPTIONS): Delete.

2005-06-01  Richard Sandiford  <rsandifo@redhat.com>

        * config/sh/sh.c (multcosts): Check sh_multcost rather than
        sh_multcost_str.
        (sh_register_move_cost): Likewise sh_gettrcost and sh_gettrcost_str.
        (sh_multcost_str, sh_gettrcost_str, sh_div_str, sh_divsi3_libfunc)
        (cut2_workaround_str): Delete.
        * config/sh/sh.h (SUBTARGET_OPTIONS, TARGET_OPTIONS)
        (TARGET_SH5_CUT2_WORKAROUND, sh_multcost_str, sh_gettrcost_str)
        (sh_div_str, sh_divsi3_libfunc, cut2_workaround_str): Delete.
        * config/sh/sh.opt (mcut2-workaround, mdiv=, mdivsi3_libfunc=)
        (mgettrcost=, multcost=): New options.

2005-06-01  Richard Sandiford  <rsandifo@redhat.com>

        * opts.h (cl_option_state): New structure.
        (get_option_state): Declare.
        * opts.c (get_option_state): New function.
        * toplev.c (option_affects_pch_p): New function.
        (default_get_pch_validity): Store the state of all options for which
        option_affects_pch_p returns true.
        (default_pch_valid_p): Check the state of those options here.
        Only check target_flags separately if targetm.check_pch_target_Flags
        is nonnull or if TARGET_SWITCHES is defined.

2005-06-01  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips-protos.h (mips_use_ins_ext_p): Remove parameter
        names.

2005-06-01 Mostafa Hagog <mustafa@il.ibm.com>

        * modulo-sched.c (undo_generate_reg_moves ): Fix PR 21138.

2005-06-01 Mostafa Hagog <mustafa@il.ibm.com>

        * gcse.c (compute_transp, load_killed_in_block): Use 
        MEM_READONLY_P.

2005-06-01  David.Billinghurst  <David.Billinghurst@riotinto.com>

        PR target/21854
        * config/mips/mips-protos.h: Declare mips_use_ins_ext_p
        
2005-05-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * errors.h (warning, error, fatal, internal_error): Add printf
        attribute.
        * genmodes.c (make_vector_mode): Fix format arguments.

2005-05-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * basic-block.h, bb-reorder.c, c-gimplify.c, config/darwin.c,
        config/rs6000/rs6000-c.c, dominance.c, gimple-low.c, gimplify.c,
        lambda-code.c, lambda-trans.c, tree-browser.c, tree-cfg.c,
        tree-chrec.c, tree-data-ref.c, tree-dfa.c, tree-eh.c,
        tree-if-conv.c, tree-into-ssa.c, tree-loop-linear.c,
        tree-mudflap.c, tree-nomudflap.c, tree-outof-ssa.c,
        tree-pretty-print.c, tree-scalar-evolution.c, tree-sra.c,
        tree-ssa-ccp.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
        tree-ssa-dse.c, tree-ssa-forwprop.c, tree-ssa-live.c,
        tree-ssa-operands.c, tree-ssa-phiopt.c, tree-ssa-pre.c,
        tree-ssa-propagate.c, tree-ssa-sink.c, tree-ssa-threadupdate.c,
        tree-ssa-uncprop.c, tree-ssa.c, tree-vect-analyze.c,
        tree-vect-transform.c, tree-vectorizer.c, vec.c: Don't include
        errors.h and include toplev.h if necessary.
        
        * rtl.c, varray.c: If we're compiling as a GENERATOR_FILE, include
        errors.h otherwise include toplev.h.
        
        * Makefile.in: Update dependencies.
        
2005-06-01  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/cygming.h (NO_PROFILE_COUNTERS): Define.

2005-05-31  Geoffrey Keating  <geoffk@geoffk.org>

        * config/rs6000/rs6000.md (sync_boolcshort_internal): New.
        * config/rs6000/rs6000.c (rs6000_emit_sync): Shift count must
        be complemented for big-endian.  Mask for AND must be rotated,
        not shifted.  Handle short operands with NOT on the memory
        operation.

2005-05-30  Daniel Berlin  <dberlin@dberlin.org>

        * c-objc-common.c (c_tree_printer): Check flag before hashtable.
        Use DECL_DEBUG_EXPR and SET_DECL_DEBUG_EXPR.
        * dwarf2out.c (dwarf2out_var_location): Ditto.
        * toplev.c (default_tree_printer): Ditto.
        * tree-outof-ssa.c (create_temp): Ditto.
        * tree-sra.c (instantiate_element): Ditto.
        * var-tracking.c (track_expr_p): Ditto.
        * tree.c (struct tree_map): New structure.
        (debug_expr_for_decl): New.
        (tree_map_eq): New function.
        (tree_map_hash): Ditto.
        (tree_map_marked_p): Ditto.
        (print_debug_expr_statistics): Ditto.
        (decl_debug_expr_lookup): Ditto.
        (decl_debug_expr_insert): Ditto.
        (dump_tree_statistics): Dump debug_expr hashtable stats.
        * tree.h (DECL_DEBUG_EXPR): Change
        (SET_DECL_DEBUG_EXPR): Add.
        
2005-06-01  Alan Modra  <amodra@bigpond.net.au>

        * configure.ac: Add --enable-secureplt.
        (HAVE_AS_REL16): Test for R_PPC_REL16 relocs.
        * config.in: Regenerate.
        * configure: Regenerate.
        * config.gcc (powerpc64-*-linux*, powerpc-*-linux*): Add
        rs6000/secureplt.h to tm_file when enable_secureplt.
        * doc/invoke.texi (msecure-plt, mbss-plt): Document.
        * doc/install.texi: Document --enable-targets and --enable-secureplt.
        Correct xrefs to "Using the GNU Compiler Collection (GCC)".
        * config/rs6000/secureplt.h: New file.
        * config/rs6000/sysv4.h (TARGET_SECURE_PLT): Define.
        (SUBTARGET_OVERRIDE_OPTIONS): Error if -msecure-plt given without
        assembler support.
        (CC1_SECURE_PLT_DEFAULT_SPEC): Define.
        (CC1_SPEC): Delete duplicate mno-sdata.  Invoke cc1_secure_plt_default.
        (SUBTARGET_EXTRA_SPECS): Add cc1_secure_plt_default.
        * config/rs6000/sysv4.opt (msecure-plt, bss-plt): Add options.
        * config/rs6000/rs6000.h (TARGET_SECURE_PLT): Define.
        * config/rs6000/rs6000.c (rs6000_emit_load_toc_table): Handle
        TARGET_SECURE_PLT got register load sequence.
        (rs6000_emit_prologue): Call rs6000_emit_load_toc_table when
        TARGET_SECURE_PLT.
        (rs6000_elf_declare_function_name): Don't emit toc address offset
        word when TARGET_SECURE_PLT.
        * config/rs6000/rs6000.md (elf_high, elf_low): Move past load_toc_*.
        (load_toc_v4_PIC_1) Enable for TARGET_SECURE_PLT.
        (load_toc_v4_PIC_3b, load_toc_v4_PIC_3c): New insns.
        (call, call_value): Mark pic_offset_table_rtx used for sysv pic and
        TARGET_SECURE_PLT.
        (call_nonlocal_sysv, call_value_nonlocal_sysv, sibcall_nonlocal_sysv,
        sibcall_value_nonlocal_sysv): Add 32768 offset when TARGET_SECURE_PLT
        and -fPIC.
        * config/rs6000/tramp.asm (trampoline_initial): Use "bcl 20,31".
        (__trampoline_setup): Likewise.  Init r30 before plt call.

2005-05-31  DJ Delorie  <dj@redhat.com>

        * expr.c (convert_move): When a partial_int requires multiple
        conversion steps, make sure successive steps convert the
        intermediate value, not the original value.

        * expmed.c (expand_mult): Convert partial_int multiplies to
        shift/add combinations too.

        * genmodes.c (mode_data): Add wider_2x.
        (calc_wider_mode): Calculate twice-wider mode too.
        (emit_mode_wider): Emit twice-wider mode too.
        * machmode.h (mode_2xwider, GET_MODE_2XWIDER_MODE): New.
        * expr.c (expand_expr_real_1): Use it for expanding
        multiplies.

2005-05-31  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/21817
        * tree-ssa-loop-im.c (for_each_index): Handle VECTOR_CST.

2005-05-31  Pat Haugen  <pthaugen@us.ibm.com>

        * loop.c (loop_invariant_p, valid_initial_value_p): Revert last
        change.

2005-05-31  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/20931
        PR middle-end/20946
        * fold-const.c (fold_checksum_tree): Copy types also if
        TYPE_CONTAINS_PLACEHOLDER_INTERNAL is set.
        Don't call fold_checksum_tree for TREE_LIST's TREE_CHAIN
        first.
        Tail recurse TREE_LIST's TREE_CHAIN.

2005-05-31  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/21732
        * tree-ssa-copy.c (dump_copy_of): Create a bitmap and don't visit a
        SSA_NAME twice and cause the loop to become finite.  Remove the test
        for val.

2005-05-31  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree-cfg.c (verify_expr): Add checking for COND_EXPR's conditional
        expression.

2005-05-31  Richard Sandiford  <rsandifo@redhat.com>

        * doc/tm.texi (TARGET_GET_PCH_VALIDITY, TARGET_PCH_VALID_P): Tweak
        the documentation to make it more future-proof.
        (TARGET_CHECK_PCH_TARGET_FLAGS): Document this new hook.
        * target.h (gcc_target): Add check_pch_target_flags.
        * target-def.h (TARGET_CHECK_PCH_TARGET_FLAGS): New macro.
        (TARGET_INITIALIZER): Include it.
        * toplev.c (default_pch_valid_p): Use targetm.check_pch_target_flags.
        * config/sh/sh-protos.h (sh_pch_valid_p): Delete.
        * config/sh/sh.c (TARGET_PCH_VALID_P, sh_pch_valid_p): Delete.
        (sh_check_pch_target_flags): New function.
        (TARGET_CHECK_PCH_TARGET_FLAGS): Override default.

2005-05-31  Richard Guenther  <rguenth@gcc.gnu.org>

        * fold-const.c (extract_array_ref): Handle more cases,
        do some useful canonicalization of the base.
        (fold_binary): Explicitly deal with arrays of zero-sized
        structures during folding of &a[i] == &a[j].

2005-05-31  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/install.texi (sparc-sun-solaris2*): Update note
        about Sun bug 4910101.
        (sparc-sun-solaris2.7): Document bootstrap
        failure with Sun WorkShop 6 99/08/18 as.

2005-05-30  Pat Haugen  <pthaugen@us.ibm.com>

        * loop.c (loop_invariant_p, valid_initial_value_p): Use
        regs_invalidated_by_call instead of call_used_regs.

2005-05-30  Paolo Carlini  <pcarlini@suse.de>

        PR middle-end/21743
        * builtins.def (BUILT_IN_CLOG, BUILT_IN_CLOGF, BUILT_IN_CLOGL):
        Enable.
        * doc/extend.texi: Add clog, clogf, clogl.

2005-05-30  H.J. Lu  <hongjiu.lu@intel.com>

        PR middle-end/20303
        * c-pragma.c: Include "vec.h".
        (handle_pragma_visibility): Use VEC.

        * doc/invoke.texi: Remove the nested visibility push limit.

2005-05-30  Roger Sayle  <roger@eyesopen.com>

        PR rtl-optimization/15422
        * reg-stack.c (starting_stack_p): New static global.
        (straighten_stack): Delete prototype. Change to update the stack
        before the current insn.
        (subst_stack_regs): Update call to straighten stack.
        (emit_swap_insn): Delete prototype.  For the first insn in a
        basic block, update stack_in instead of emitting a real swap.
        (change_stack): When changing the stack before the first insn
        in a basic block, update stack_in instead of emitting real code.
        (compensate_edges): Clear starting_stack_p during compensation.
        (convert_regs_1): Keep track of starting_stack_p whilst processing
        a basic block.

2005-05-30  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-ccp.c (const_val): Make it static.

2005-05-29  Geoffrey Keating  <geoffk@apple.com>

        PR target/21761
        * config/rs6000/rs6000.md: Remove stray TARGET_32BIT from
        pattern involving `:P'.

        * Makefile.in (install-cpp): Depend on installdirs.

2005-05-30  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-outof-ssa.c (_elim_graph): Change the type of edge_list
        to VEC(int,heap)*.
        (new_elim_graph, clear_elim_graph, delete_elim_graph,
        elim_graph_add_edge, elim_graph_remove_succ_edge,
        FOR_EACH_ELIM_GRAPH_SUCC, FOR_EACH_ELIM_GRAPH_PRED): Use VEC
        instead of VARRAY.

2005-05-29  Kazu Hirata  <kazu@cs.umass.edu>

        * cgraphunit.c, ipa-inline.c, loop-iv.c, modulo-sched.c,
        opts.c, postreload-gcse.c, tree-browser.def, tree-eh.c,
        tree-ssa-copyrename.c, tree-vect-analyze.c: Fix typos and
        follow spelling conventions in error/dump messages.

2005-05-29  Roger Sayle  <roger@eyesopen.com>
            Richard Henderson  <rth@redhat.com>

        * ifcvt.c (noce_emit_move_insn): Construct a SET pattern directly
        if the RHS isn't suitable for calling emit_move_insn.

2005-05-29  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-ccp.c (ccp_fold): Return immediately after calling
        fold_unary and fold_binary.

2005-05-29  Roger Sayle  <roger@eyesopen.com>

        * reg-stack.c (propagate_stack): Always copy the source stack to
        the destination.  This routine is now only called when this is safe.
        (better_edge): New function split out from convert_regs_1 to
        determine which of two edges is better to propagate across.
        (convert_regs_1):  We need only search for a best edge if the
        stack layout hasn't been defined yet.  Use better_edge to help
        find beste.  No longer traverse unnecessary edges.

2005-05-29  Keith Besaw  <kbesaw@us.ibm.com>

        * tree-ssa-alias.c (new_type_alias): New procedure to
        create a type memory tag for a pointer with a may-alias
        set determined from a variable declaration.
        * tree-flow.h: export declaration of new_type_alias
        * tree-optimize.c (init_tree_optimization_passes): document
        that pass_may_alias cannot be called after pass_vectorize.
        * tree-vect-transform (vect_create_data_ref_ptr): Call
        new_type_alias when an type memory tag isn't available
        for a reference.
        (vectorizable_store): Use copy_virtual_operands to update
        virtual defs in place (so that loop_version can be called).
        Call mark_for_renaming for the virtual defs in case peeling
        is done and virtual uses outside the loop need to be updated.

2005-05-29  Dorit Naishlos  <dorit@il.ibm.com>

        PR tree-optimization/21639
        * tree-complex.c (pass_lower_vector_s): Remove TODO_ggc_collect.

2005-05-29  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/21562
        * cfgexpand.c (construct_init_block): Deal properly with the case
        of entry edge not pointing to very first basic block.

2005-05-28  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-ccp.c (ccp_fold): Remove code that produces
        non-gimple min invariant.

        * Makefile.in (OBJS-common): Add tree-cfgcleanup.o.
        * tree-flow.h: Add prototypes for start_recording_case_labels
        and end_recording_case_labels.
        * tree-cfg.c (start_recording_case_labels,
        end_recording_case_labels): Export.
        (cleanup_tree_cfg_loop, modified_noreturn_calls,
        cleanup_control_flow, cleanup_control_expr_graph,
        remove_fallthru_edge, phi_alternatives_equal,
        tree_forwarder_block_p, has_abnormal_incoming_edge_p,
        remove_forwarder_block, cleanup_forwarder_blocks,
        remove_forwarder_block_with_phi, merge_phi_nodes,
        gate_merge_phi, pass_merge_phi): Move to ...
        * tree-cfgcleanup.c: ... here.

        * basic-block.h: Remove forward declaration of bb_ann_d.

2005-05-28  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-threadupdate.c: (create_edge_and_update_destination_phis):
        Update profile.
        * value-prof.c (tree_divmod_fixed_value_transform): Be more verbose in
        debug output.
        (tree_mod_subtract): Fix profile updating code.
        (tree_divmod_values_to_profile): Do not produce useless value profilers
        for divisions.

2005-05-28  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-dom.c (vrp_element_p): Define.
        (vrp_hash_elt): Change the type of records to
        VEC(vrp_element_p,heap).
        (vrp_free): New.
        (tree_ssa_dominator_optimize): Pass vrp_free to htab_create.
        Update uses of VRP records.
        (simplify_cond_and_lookup_avail_expr, record_range): Update
        uses of VRP records.

        * tree-inline.c (cfun_stack): Change the type to
        VEC(function_p,heap).
        (push_cfun, pop_cfun): Use VEC instead of VARRAY.

2005-05-27  Ian Lance Taylor  <ian@airs.com>

        * c-decl.c (add_stmt): Add C frontend specific version.
        (stmts_are_full_exprs_p): Remove.
        * c-common.h (STMT_IS_FULL_EXPR_P): Remove.
        (stmts_are_full_exprs_p): Don't declare.
        * c-semantics.c (add_stmt): Remove.

2005-05-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * config/mips/mips-protos.h (mips_declare_object): Add printf
        attribute.
        * config/mips/mips.c (mips_declare_object_name): Fix format
        argument.

2005-05-27  Roger Sayle  <roger@eyesopen.com>

        * reg-stack.c (compensate_edge): Remove original prototype.
        (propagate_stack): New function to copy the stack layout
        at the start of a basic block from the layout at the end of
        one of its predecessors.
        (compensate_edge): Assume that both source and destination
        blocks have already had their stack layouts defined.
        (compensate_edges): Traverse all non-entry edges in the CFG
        and call compensate_edge on each in turn.
        (convert_regs_1): Change return type to void.  Call
        propagate_stack instead of compensate_edge.
        (convert_regs_2): Change return type to void.  Update call
        to convert_regs_1 to ignore the (now void) return value.
        (convert_regs): Update calls to convert_regs_2 to ignore
        the (now void) return value.  After all the basic blocks have
        been processed, call compensate_edges to actually emit new
        insns.
        (reg_to_stack): Initialize the aux info for each basic block
        with FOR_EACH_BB instead of which FOR_EACH_BB_REVERSE.

2005-05-28  Jan Hubicka  <jh@suse.cz>

        * except.c (can_throw_internal_1, can_throw_external_1): Add 
        "is_resx" argument.
        (can_throw_external, can_throw_internal): Bring into sync wrt
        dealing resx.
        * except.h (can_throw_internal_1, can_throw_external_1): Update
        prototype.
        * tree-eh.c (tree_can_throw_internal, tree_can_throw_external):
        Deal properly with resx.

2005-05-27  Kazu Hirata  <kazu@cs.umass.edu>

        * basic-block.h (basic_block_def): Add phi_nodes and
        predictions.  Remove tree_annotations.
        * predict.c (tree_predicted_by_p, tree_predict_edge,
        combine_predictions_for_bb): Adjust references to predictions.
        * tree-cfg.c (init_empty_tree_cfg, create_bb): Don't call
        create_block_annotation.
        (create_block_annotation, free_blocks_annotatios,
        clear_blocks_annotations): Remove.
        (dump_cfg_stats): Don't print out the memory spent on
        bb_ann_d.
        (delete_tree_cfg_annotations): Don't call free_blocks_annotations.
        * tree-flow-inline.h (bb_ann): Remove.
        (phi_nodes, set_phi_nodes): Update references to phi_nodes.
        * tree-flow.h (bb_ann_d): Remove.
        * tree-if-conv.c (process_phi_nodes): Update a reference to
        phi_nodes.
        * tree-phinodes.c (reserve_phi_args_for_new_edge,
        create_phi_node, remove_phi_node): Likewise.
        * tree-pretty-print.c (dump_generic_bb_buff): Don't call bb_ann.
        * tree-ssa-dom.c (threaded_blocks): New.
        (tree_ssa_dominator_optimize): Initialize, clear, and free
        threaded_blocks. Update a call to thread_through_all_blocks.
        (thread_across_edge): Use threaded_blocks instead of setting
        incoming_edge_threaded.
        * tree-ssa-threadupdate.c (threaded_through_all_blocks): Take
        a bitmap of blocks that are threaded through.
        * tree.h: Move the prototype of threaded_through_blocks to
        tree-flow.h.

        * domwalk.c (walk_dominator_tree, init_walk_dominator_tree,
        fini_walk_dominator_tree): Use VEC instead of VARRAY.
        * domwalk.h (dom_walk_data): Change the type of
        block_data_stack and free_block_data to VEC(void_p,heap)*.
        * tree-ssa-dse.c (dse_initialize_block_local_data,
        dse_optimize_stmt, dse_record_phis, dse_finalize_block): Use
        VEC instead of VARRAY.

2005-05-27  Jan Hubicka  <jh@suse.cz>

        * cgraph.c: Include tree-gimple.h
        (cgraph_edge): Rename expr to stmt.
        (cgraph_create_edge): Likewise.
        (cgraph_clone_node): Likewise.
        * cgraph.h (cgraph_node): Use call_stmt instead of call_expr.
        * cgraphunit.c (record_call_1): Rename to ...
        (record_reference): ... this one; do not build edges.
        (cgraph_varpool_analyze_pending_decls): Call record_reference directly.
        (current_basic_block): Kill.
        (cgraph_create_edges): Rewrite to work on gimple statements nicely.
        (verify_cgraph_node): Likewise.
        * tree-inline.c (copy_body_r): Do not mess up with cgraph edges.
        (copy_bb): Mess up with cgraph edges here; simplify EH handling.
        (copy_edges_for_bb): Simplify EH handling.
        (expand_call_inline): Pass statement to cgraph_edge and
        cgraph_create_edge.

2005-05-27  Richard Guenther  <rguenth@gcc.gnu.org>

        * tree-inline.c (copy_body_r): Manually fold *& to deal
        with ADDR_EXPRs with mismatched types for now.

        * gimplify.c (fold_indirect_ref_rhs): New function.
        (gimplify_modify_expr_rhs): Use it instead of pessimistic
        fold_indirect_ref.

        * fold-const.c (fold_indirect_ref_1): Add type argument;
        make sure the resulting expression is of this type.
        (build_fold_indirect_ref, fold_indirect_ref): Adjust callers.

2005-05-27  Kazu Hirata  <kazu@cs.umass.edu>

        PR tree-optimization/21658
        * tree-ssa-ccp.c (ccp_fold): Call fold_binary instead of
        fold_binary_to_constant.  Likewise, call fold_unary instead of
        fold_unary_to_constant.

2005-05-27  Nathan Sidwell  <nathan@codesourcery.com>

        * vec.h: Implement integral type vector specialization.
        (VEC_T): Define a non-GTY structure.
        (VEC_T_GTY): Define a GTY structure.
        (VEC_TA): Rename to ...
        (VEC_TA_GTY): ... here.
        (DEF_VEC_I, DEF_VEC_ALLOC_I): New.
        (DEF_VEC_P, DEF_VEC_ALLOC_P): Adjust.
        (DEF_VEC_FUNC_P, DEF_VEC_ALLOC_FUNC_P): New, broken out of
        DEF_VEC_P and DEF_VEC_ALLOC_P.
        (DEF_VEC_O, DEF_VEC_ALLOC_O): Adjust.
        (DEF_VEC_FUNC_O, DEF_VEC_ALLOC_FUNC_O): New, broken out of
        DEF_VEC_O and DEF_VEC_ALLOC_O.
        * global.c: Use DEF_VEC_I, DEF_VEC_ALLOC_I.
        * lambda-code.c: Likewise.
        * tree-into-ssa.c: Likewise.
        * tree-ssa-live.c: Likewise.

2005-05-27  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-into-ssa.c (update_ssa): Ensure that the operand cache
        is up-to-date.
        * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
        update_stmt_if_modified before calling update_ssa.

2005-05-27  Ralf Corsepius  <ralf.corsepius@rtems.org>

        * config/rs6000/t-rtems: Remove roe multilib variant.

2005-05-26  Roger Sayle  <roger@eyesopen.com>

        PR tree-optimization/9814
        * ifcvt.c (noce_emit_move_insn): If we fail to recognize the move
        instruction, add the necessary clobbers by re-expanding the RTL
        for arithmetic operations via optab.c's expand_unop/expand_binop.
        (noce_try_bitop): New function to optimize bit manipulation idioms
        of the form "if (x & C) x = x op C" and "if (!(x & C) x = x op C".
        (noce_process_if_block): Call noce_try_bitop.

2005-05-26  Roger Sayle  <roger@eyesopen.com>

        * reg-stack.c (convert_regs_entry, convert_regs_exit,
        convert_regs_1, convert_regs_2, convert_regs): Delete prototypes.
        (reg_to_stack): Move to end of the file.  Initialize the per
        basic block information here, instead of...
        (convert_regs_entry): Here.
        (convert_regs): Change unused return type to void.

2005-05-27  Kazu Hirata  <kazu@cs.umass.edu>

        * c-pch.c, timevar.c, timevar.h, unwind-compat.c,
        unwind-dw2-fde-compat.c, unwind-dw2-fde.c, config/mmix/mmix.h,
        config/rs6000/eabispe.h, config/rs6000/lynx.h,
        config/sh/elf.h, config/sh/symbian-pre.h,
        config/sparc/sparc-protos.h: Update copyright.

2005-05-26  Mike Stump  <mrs@apple.com>

        * darwin.h (ASM_OUTPUT_LABELREF): Handle quoted non-lazy pointers
        for Objective-C++.
        
2005-05-26  Richard Guenther  <rguenth@gcc.gnu.org>

        * tree-ssa-forwprop.c (forward_propagate_addr_expr):
        See through ADDR_EXPR in finding place to propagate into.

2005-05-26  Kazu Hirata  <kazu@cs.umass.edu>

        * c-common.c, c-parser.c, cfgbuild.c, cfghooks.c, cfghooks.h,
        cfgrtl.c, cgraphunit.c, ddg.c, expr.h, gcse.c, ggc-page.c,
        ggc-zone.c, gimplify.c, ipa-inline.c, longlong.h, targhooks.c,
        tree-flow-inline.h, tree-pass.h, tree-ssa-dse.c,
        tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c,
        tree-ssa-operands.c, tree-vect-analyze.c,
        tree-vect-transform.c, tree-vectorizer.c, tree.c,
        config/arm/arm.c, config/bfin/bfin.c, config/frv/frv.c,
        config/frv/frv.md, config/i386/i386.c, config/i386/sse.md,
        config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
        config/mcore/mcore.c, config/mips/mips.c, config/mips/mips.md,
        config/rs6000/darwin-ldouble.c, config/rs6000/rs6000.c,
        config/rs6000/rs6000.h, config/sh/sh.c, config/sh/sh.md,
        config/sh/ushmedia.h, config/sparc/sparc.c,
        config/sparc/sparc.md, config/stormy16/stormy-abi: Fix comment
        typos.  Follow spelling conventions.
        * doc/invoke.texi, doc/tm.texi, doc/tree-ssa.texi: Fix typos.
        Follow spelling conventions.

2005-05-26  David Ung  <davidu@mips.com>

        * config/mips/mips.c (mips_use_ins_ext_p): New helper function
        that determines whether the MIPS32/64 R2 ext/ins should be used.
        * config/mips/mips.h (ISA_HAS_EXT_INS): New macro.
        * config/mips/mips.md (extzv): Changed predicate for operand to
        nonimmediate_operand. Add code to generate insn patterns for
        extzvsi and extzvdi.
        (extzv<mode>): New pattern to match mips32/64 r2 ext insn.
        (insv): Similarly for insertion.
        (insv<mode>): Similarly.

2005-05-26  Paolo Bonzini  <bonzini@gnu.org>

        * simplify-rtx.c (avoid_constant_pool_reference): Support
        offsetted addresses in the constant pool.

2005-05-26  Paolo Bonzini  <bonzini@gnu.org>

        * df.h (DF_SUBREGS, df_local_def_available_p, df_insn_modified_p): New.
        * df.c (DF_SUBREGS, df_local_def_available_p, df_insn_modified_p): New.

2005-05-26  Jakub Jelinek  <jakub@redhat.com>

        PR target/21716
        * reg-stack.c (swap_rtx_condition): Don't crash if %ax user was not
        found in the basic block and last insn in the basic block is not
        INSN_P.  Remove explicit unspec numbers that are no longer valid
        from comments.

2005-05-26  Paolo Bonzini  <bonzini@gnu.org>

        * tree-vect-transform.c (vectorizable_operation): Try word_mode
        vectorization if UNITS_PER_WORD == UNITS_PER_SIMD_WORD, even
        if a vector mode is available.

2005-05-25  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/21709
        * fold-const.c (const_binop): Check for division by zero during
        complex division.

2005-05-26  Ian Lance Taylor  <ian@airs.com>

        * reload1.c (verify_initial_elim_offsets): Add braces to avoid
        having a declaration after a statement.

2005-05-26  Richard Sandiford  <rsandifo@redhat.com>

        * opt-functions.awk (var_type): New function.
        (var_set): Use CLVC_STRING if var_type returns "const char *".
        * opth-gen.awk: Use var_type to find out the types of variables.
        Don't print comments above each "extern" definition.
        * optc-gen.awk: Use var_type in the same way.
        * opts.h (cl_var_cond): Rename to...
        (cl_var_type): ...this.  Add CLVC_STRING.
        (cl_option): Make "flag_var" a "void *" pointer.  Replace "var_cond"
        with "var_type".
        * opts.c (handle_option, option_enabled): Update after above name
        change.  Cast flag_var before using it.  Handle CLVC_STRING.
        
        * config/alpha/alpha.h (alpha_tls_size): Delete.
        * config/alpha/alpha.c (alpha_tls_size, alpha_cpu_string)
        (alpha_tune_string, alpha_tp_string, alpha_fprm_string)
        (alpha_fptm_string, alpha_mlat_string): Delete.
        (alpha_handle_option): Don't set the above variables here.  Use the
        integer argument to check the validity of -mtls-size=.
        * config/alpha/alpha.opt (mcpu=, mtune=, mfp-rounding-mode=)
        (mfp-trap-mode=, mtrap-precision=, mmemory-latency=): Add Var()s.
        (mtls-size=): Likewise.  Convert to a UInteger and initialize the
        variable to 32.

        * config/arc/arc.c (arc_cpu_string, arc_text_string)
        (arc_data_string, arc_rodata_string): Delete.
        (arc_handle_option): Don't set the above variables here.
        * config/arc/arc.opt (mcpu=, mtext=, mdata=, mrodata=): Add Var()s
        and initialize them.

        * config/arm/arm.c (target_fpu_name, target_fpe_name)
        (target_float_abi_name, target_abi_name, structure_size_string)
        (arm_pic_register_string): Delete.
        (arm_handle_option): Don't set the above variables here, except
        in the handling of -mhard-float and -msoft-float.
        * config/arm/arm.opt (mabi=, mfloat-abi=, mfp=, mfpe=, mfpu=)
        (mpic-register=, mstructure-size-boundary=): Add Var()s.

        * config/avr/avr.c (avr_init_stack, avr_mcu_name, TARGET_HANDLE_OPTION)
        (avr_handle_option): Delete.
        * config/avr/avr.opt (mmcu=, minit-stack=): Add Var()s and initialize
        them.

        * config/bfin/bfin.c (bfin_library_id): Delete.
        (bfin_handle_option): Don't set it.
        * config/bfin/bfin.opt (mshared-library-id=): Add Var().

        * config/c4x/c4x.h (c4x_rpts_cycles): Delete.
        * config/c4x/c4x.c (c4x_rpts_cycles): Delete.
        (c4x_handle_option): Don't set c4x_rpts_cycles here.
        * config/c4x/c4x.opt (mrpts=): Add Var().

        * config/cris/aout.h (CRIS_SUBTARGET_HANDLE_OPTION): Don't set
        cris_elinux_stacksize_str here.
        * config/cris/aout.opt (melinux-stacksize=): Add Var().
        * config/cris/cris.h (cris_max_stackframe_str, cris_cpu_str)
        (cris_tune_str, cris_elinux_stacksize_str): Delete.
        * config/cris/cris.c (cris_max_stackframe_str, cris_cpu_str)
        (cris_tune_str, cris_elinux_stacksize_str): Delete.
        (cris_handle_option): Don't set the above variables here.
        * config/cris/cris.opt (mcpu=, march=, mtune=, mmax-stackframe=)
        (max-stackframe=): Add Var()s.

        * config/i386/i386.h (ix86_tune_string, ix86_arch_string): Delete.
        * config/i386/i386.c (ix86_cmodel_string, ix86_asm_string)
        (ix86_tls_dialect_string, ix86_tune_string, ix86_arch_string)
        (ix86_fpmath_string, ix86_regparm_string, ix86_align_loops_string)
        (ix86_align_jumps_string, ix86_preferred_stack_boundary_string)
        (ix86_branch_cost_string, ix86_align_funcs_string): Delete.
        (ix86_handle_option): Don't set the above variables here.
        * config/i386/i386.opt (malign-functions=, malign-jumps=)
        (malign-loops=, march=, masm=, mbranch-cost=, mcmodel=, mfpmath=)
        (mpreferred-stack-boundary=, mregparm=, mtls-dialect=, mtune=): Add
        Var()s.

        * config/ia64/ia64.h (ia64_tls_size): Delete.
        * config/ia64/ia64.c (ia64_tls_size): Delete.
        (ia64_handle_option): Treat -mtls-size= as a UInteger option,
        reading the integer argument from the "value" parameter.  Don't
        set ia64_tls_size here.
        * config/ia64/ia64.opt (mtls-size=): Turn into a UInteger option.
        Add Var() and Init().

        * config/m32r/m32r.h (m32r_cache_flush_func): Delete.
        (m32r_cache_flush_trap): Delete.
        * config/m32r/m32r.c (m32r_cache_flush_func): Delete.
        (m32r_cache_flush_trap): Delete.
        (m32r_handle_option): Don't set the above variables when handling
        -mflush-func= and -mflush-trap=.
        * config/m32r/m32r.opt (-mflush-func=, -mflush-trap=): Add Var()s
        and Init()s.

        * config/mips/mips.h (mips_cache_flush_func): Delete.
        * config/mips/mips.c (mips_arch_string, mips_tune_string)
        (mips_cache_flush_func): Delete.
        (mips_handle_option): Don't set the above variables when handling
        -march=, -mtune= and -mflush-func=.
        * config/mips/mips.opt (march=, mflush-func=, mtune=): Add Var()s.

        * config/s390/s390.c (s390_arch_string): Delete.
        (s390_handle_option): Don't set it here.
        * config/s390/s390.opt (march=): Add Var().

        * config/sparc/sparc.h (sparc_cmodel_string): Delete.
        * config/sparc/sparc.c (sparc_cmodel_string): Delete.
        (sparc_handle_option): Don't set it here.
        * config/sparc/sparc.opt (mcmodel=): Add Var().

2005-05-25  Roger Sayle  <roger@eyesopen.com>

        * convert.c (convert_to_integer) <POINTER_TYPE>: Avoid recursive
        call to convert_to_integer by building the NOP_EXPR directly.

2005-05-25  Richard Sandiford  <rsandifo@redhat.com>

        * config/rs6000/rs6000.opt (mprioritize-restricted-insns=): Fix typo.

2005-05-25  Daniel Berlin  <dberlin@dberlin.org>
            Jeff Law  <law@redhat.com>

        * tree-cfg.c (verify_expr, case ADDR_EXPR): Verify invariant,
        constant and side_effects of the ADDR_EXPR are consistent.

        * tree-nested.c (convert_local_reference): Set CURRENT_FUNCTION_DECL
        appropriately around calls to recompute_tree_invarant_for_addr_expr.

2005-05-25  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (GP_ARG_NUM_REG, FP_ARG_NUM_REG): New defines.
        (s390_function_arg, s390_gimplify_va_arg): Use them.
        (s390_register_info): Save only required subset of argument
        registers into save area for va_list.
        (s390_va_start): Initialize only required elements of va_list struct.
        (s390_build_builtin_va_list): Set va_list_[gf]pr_counter_field.

2005-05-25  Ulrich Weigand  <uweigand@de.ibm.com>

        * reload1.c (verify_initial_elim_offsets): Return boolean status
        instead of aborting.
        (reload): Adapt verify_initial_elim_offsets call site.  Restart
        main loop if some initial elimination offsets changed.

2005-05-25  Adam Nemet  <anemet@lnxw.com>

        * config/rs6000/lynx.h (CC1_SPEC): Use -maix-struct-return instead
        of -mno-svr4-struct-return.

2005-05-25  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/21705
        
        * tree-ssa-pre.c (in_fre): New static variable.
        (create_value_expr_from): Recursively value number reference ops
        in argument lists.
        (can_value_number_call): Temporary restrict only exists for
        PRE, not FRE.

2005-05-25  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-into-ssa.c (rewrite_into_ssa, update_ssa): Replace
        sizeof (bitmap *) with sizeof (bitmap).

2005-05-25  Daniel Berlin <dberlin@dberlin.org>

        * lambda-code.c (perfect_nestify): Call update_stmt on the exit
        condition.

2005-05-25  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390.c (TARGET_INSN_VALID_WITHIN_DOLOOP): Set to
        hook_bool_rtx_true.

2005-05-25  Jan Hubicka  <jh@suse.cz>

        * Makefile.in (ipa-inline.o): Add COEVERAGE_H dependency.
        * cgraph.c (cgraph_create_node): Reset estimated_growth.
        * cgraph.h (cgraph_global_info): Add estimated_growth.
        * ipa-inline.c: Include coverage.h
        (max_insns, max_count): New static variables.
        (cgraph_estimate_size_after_inlining): Cache the result.
        (cgraph_estimate_growth):
        * passes.c (rest_of_clean_state): Kill coverage_end_function.
        * timevar.def (TV_INLINE_HEURISTICS): New timevar.
        * tree-optimize.c (init_tree_optimization_passes): Move profiling before
        inlining.
        (ipa_passes): Initialize bitmaps.

2005-05-25  Adrian Straetling  <straetling@de.ibm.com>

        * loop-doloop.c: Include "target.h". 
          (doloop_valid_p): Move tests to function in targhooks.c.
        * target.h (struct gcc_target): New target hook
          "insn_valid_within_doloop".
        * target-def.h: Define default value for "insn_valid_within_doloop".
          (TARGET_INITIALIZER): Insert new target hook into initializer.
        * targhooks.c (default_insn_valid_within_doloop): New function.
        * targhooks.h (default_insn_valid_within_doloop): Declare.
        * hooks.c (hook_bool_rtx_true): New function.
        * hooks.h (hook_bool_rtx_true): Declare.
        * doc/tm.texi: Add documentation for new target hook.

2005-05-25  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/21412
        * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): New macro
        * config/sparc/sparc-protos.h (tls_symbolic_operand): Delete.
        (sparc_tls_referenced_p): New prototype.
        * config/sparc/sparc.c (tls_symbolic_operand): Delete.
        (sparc_expand_move): Look for TLS addresses with constant offsets.
        (legitimate_constant_p): Use SPARC_SYMBOL_REF_TLS_P instead of
        tls_symbolic_operand.
        (legitimate_pic_operand_p): Likewise.
        (legitimate_address_p): Likewise.
        (legitimize_address): Likewise.
        (sparc_tls_symbol_ref_1): New function.
        (sparc_tls_referenced_p): New function.
        * config/sparc/predicates.md (tgd_symbolic_operand): Use
        SYMBOL_REF_TLS_MODEL instead of tls_symbolic_operand.
        (tld_symbolic_operand): Likewise.
        (tie_symbolic_operand): Likewise.
        (tle_symbolic_operand): Likewise.

2005-05-24  DJ Delorie  <dj@redhat.com>
        
        * common.opt (-Wattributes): New.  Default true.
        * doc/invoke.texi (-Wno-attributes): Document.
        
        * attribs.c (decl_attributes): Move warning control from if() to
        warning(OPT_*).
        * c-common.c (handle_packed_attribute): Likewise.
        (handle_nocommon_attribute): Likewise.
        (handle_common_attribute): Likewise.
        (handle_noreturn_attribute): Likewise.
        (handle_noinline_attribute): Likewise.
        (handle_always_inline_attribute): Likewise.
        (handle_used_attribute): Likewise.
        (handle_unused_attribute): Likewise.
        (handle_const_attribute): Likewise.
        (handle_transparent_union_attribute): Likewise.
        (handle_constructor_attribute): Likewise.
        (handle_destructor_attribute): Likewise.
        (handle_mode_attribute): Likewise.
        (handle_alias_attribute): Likewise.
        (handle_visibility_attribute): Likewise.
        (handle_tls_model_attribute): Likewise.
        (handle_malloc_attribute): Likewise.
        (handle_returns_twice_attribute): Likewise.
        (handle_pure_attribute): Likewise.
        (handle_deprecated_attribute): Likewise.
        (handle_vector_size_attribute): Likewise.
        (handle_nothrow_attribute): Likewise.
        (handle_cleanup_attribute): Likewise.
        (handle_warn_unused_result_attribute): Likewise.
        (handle_sentinel_attribute): Likewise.
        * c-decl.c (diagnose_mismatched_decls): Likewise.
        (start_decl): Likewise.
        (grokdeclarator): Likewise.
        (start_function): Likewise.
        * c-format.c (check_function_format): Likewise.
        * stor-layout.c (place_field): Likewise.
        (finalize_record_size): Likewise.
        * tree.c (handle_dll_attribute)): Likewise.
        * varasm.c (default_assemble_visibility): Likewise.
        * config/darwin.c (darwin_handle_weak_import_attribute): Likewise.
        (darwin_assemble_visibility): Likewise.
        * config/arc/arc.c (arc_handle_interrupt_attribute): Likewise.
        * config/arm/arm.c (arm_handle_fndecl_attribute): Likewise.
        (arm_handle_isr_attribute): Likewise.
        * config/avr/avr.c (avr_handle_progmem_attribute): Likewise.
        (avr_handle_fndecl_attribute): Likewise.
        * config/bfin/bfin.c (handle_int_attribute): Likewise.
        * config/c4x/c4x.c (c4x_handle_fntype_attribute): Likewise.
        * config/h8300/h8300.c (h8300_handle_fndecl_attribute): Likewise.
        (h8300_handle_eightbit_data_attribute): Likewise.
        (h8300_handle_tiny_data_attribute): Likewise.
        * config/i386/i386.c (ix86_handle_cdecl_attribute): Likewise.
        (ix86_handle_regparm_attribute): Likewise.
        (ix86_handle_struct_attribute): Likewise.
        * config/i386/winnt.c (ix86_handle_shared_attribute): Likewise.
        (i386_pe_encode_section_info): Likewise.
        * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
        * config/ip2k/ip2k.c (ip2k_handle_progmem_attribute): Likewise.
        (ip2k_handle_fndecl_attribute): Likewise.
        * config/m32r/m32r.c (m32r_handle_model_attribute): Likewise.
        * config/m68hc11/m68hc11 (m68hc11_handle_page0_attribute): Likewise.
        (m68hc11_handle_fntype_attribute): Likewise.
        (m68hc11_encode_section_info): Likewise.
        * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
        * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
        * config/ns32k/ns32k.c (ns32k_handle_fntype_attribute): Likewise.
        * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute): Likewise.
        * config/sh/sh.c (sh_handle_interrupt_handler_attribute): Likewise.
        (sh_handle_sp_switch_attribute): Likewise.
        (sh_handle_trap_exit_attribute): Likewise.
        * config/sh/symbian.c (sh_symbian_dllimport_p): Likewise.
        (sh_symbian_handle_dll_attribute): Likewise.
        * config/stormy16/stormy16.c (xstormy16_handle_interrupt_attribute): Likewise.
        (xstormy16_handle_below100_attribute): Likewise.
        * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.

        * c-common.c (unsigned_conversion_warning): Move warning control
        from if() to warning(OPT_*).
        (c_common_truthvalue_conversion): Likewise.
        (c_do_switch_warnings): Likewise.
        * c-decl.c (diagnose_mismatched_decls): Likewise.
        (diagnose_mismatched_decls): Likewise.
        (define_label): Likewise.
        (grokdeclarator): Likewise.
        * c-format.c (check_format_info): Likewise.
        * c-lex.c (interpret_integer): Likwise.
        (lex_string): Likewise.
        * c-opts.c (c_common_post_options): Likewise.
        * c-parser.c (c_parser_unary_expression): Likewise.
        * c-pragma.c (handle_pragma_redefine_extname): Likewise.
        (handle_pragma_extern_prefix): Likewise.
        * c-typeck.c (build_binary_op): Likewise.
        * gcse.c (is_too_expensive): Likewise.
        * opts.c (decode_options): Likewise.
        * stor-layout.c (place_field): Likewise.
        * tree-cfg.c (remove_bb): Likewise.

        * c.opt (-Wreturn-type): Add Var(warn_return_type).
        * flags.h (warn_return_type): Remove.
        * toplev.c (warn_return_type): Likewise.

2005-05-24  Kelley Cook  <kcook@gcc.gnu.org>

        * configure.ac: Don't use gcc_AC_C_LONG_LONG.  Check for
        existence of long long and __int64 before determining their size.
        * aclocal.m4: Delete gcc_AC_C_LONG_LONG.
        * configure, config.h.in:  Regenerate.

2005-05-24  Kelley Cook  <kcook@gcc.gnu.org>

        * configure: Regenerate.

2005-05-24  Ziemowit Laski  <zlaski@apple.com>

        * c-common.h (objc_comptypes): Remove prototype.
        (objc_compare_types): New prototype.
        (objc_volatilized_decl): Likewise.
        (objc_type_quals_match): Likewise.
        * c-decl.c (objc_mark_locals_volatile): Streamline by calling
        objc_volatilize_decl().
        * c-typeck.c (comp_target_types): Remove third parameter; do
        not call objc_comptypes().
        (comptypes): Remove calls to objc_comptypes().
        (build_function_call): Extend compatible prototype check to ObjC.
        (build_conditional_expr): Adjust call to comp_target_types().
        (convert_for_assignment): Call objc_compare_types() instead of
        objc_comptypes(); adjust calls to comp_target_types(); call
        objc_type_quals_match() before issuing qualifier mismatch
        warnings.
        (build_binary_op): Call objc_compare_types() before issuing
        pointer mismatch warnings; adjust calls to
        comp_target_types().
        * stub-objc.c (objc_comptypes): Remove stub.
        (objc_compare_types): New stub.
        (objc_volatilized_decl): Likewise.
        (objc_type_quals_match): Likewise.

2005-05-24  Paolo Carlini  <pcarlini@suse.de>

        * config/ia64/ia64intrin.h: Define nothing for C++:
        overloaded builtins have been ported to C++.

2005-05-24  Jeff Law  <law@redhat.com>

        * tree-nested.c (build_addr): New "context" argument.  Temporarily
        set current_function_decl around the call to build the ADDR_EXPR.
        (get_static_chain): Pass proper context to build_addr.
        (convert_nl_goto_reference): Likewise.
        (convert_tramp_reference): Likewise.
        (final_nesting_tree_1): Likewise.
        * tree-profile.c (tree_gen_interval_profiler): Likewise.
        (tree_gen_pow2_profiler): Likewise.
        (tree_gen_one_value_profiler): Likewise.
        * tree-ssa-loop-ivopts.c (build_addr_strip_iref): Likewise.
        * tree.h (build_addr): Update prototype.

2005-05-24  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-flow.h (bb_ann_d): Remove has_escape_site.
        * tree-ssa-alias.c (compute_points_to_addr_escape): Don't
        write to has_escape_site.

2005-05-24  Jeff Law  <law@redhat.com>

        * Makefile.in (tree-cfg.o): Depend on tree-ssa-propagate.h.
        * tree-cfg.c: Include tree-ssa-propagate.h.
        (replace_uses_by): Call recompute_tree_invarant_for_addr_expr as
        needed.

2005-05-24  Nick Clifton  <nickc@redhat.com>

        * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
        __NO_FPRS__ when 'f' class registers will not be available. 

2005-05-24  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>

        * config/m32r/m32r.c (m32r_expand_block_move):  Return 0 if
        nothing was done.
        * config/m32r/m32r.md (movmemsi):  If m32r_expand_block_move did
        nothing then FAIL.
        * config/m32r/m32r/m32r-protos.h  (m32r_expand_block_move): Update
        prototype.

2005-05-23  Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (cprop_into_stmt): Do not call
        recompute_tree_invariant_for_addr_expr here.
        (optimize_stmt): Call it here instead and do so if anything
        at all has changed in the statement and the RHS is an ADDR_EXPR.
        * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): If
        needed, call recompute_tree_invariant_for_addr_expr.
        * tree-ssa-propagate.c (substitute_and_fold): Call
        recompute_tree_invariant_for_addr_expr as needed.

2005-05-23  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (s390_optimize_prologue): Don't replace an insn
        saving less registers than the replacement.

2005-05-23  Jan Hubicka  <jh@suse.cz>

        * tree-flow.h (stmt_ann_d): Kill GTY ((skip)) mark on BB.

2005-05-23  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc-protos.h (sparc_expand_move): New prototype.
        * config/sparc/sparc.c (sparc_expand_move): New function.
        (sparc_emit_set_const64): Rewrite assert condition on entry.
        (legitimate_constant_p) <CONST_VECTOR>: New case.
        (legitimize_pic_address): Use TARGET_ARCH64 to select the mode.
        * config/sparc/sparc.md (movqi, movhi, movsi, movdi, movV32,
        movV64, movtf): Use nonimmediate_operand for the first operand.
        Rewrite.  Only invoke sparc_expand_move.
        * config/sparc/predicates.md (input_operand): Reorder tests.

2005-05-23  Jan Beulich  <jbeulich@novell.com>

        * gthr-posix.h (__gthread_recursive_mutex_init_function): Add
        missing return statement.

2005-05-22  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Use
        emit_move_insn for moves to TFmode stack slots.

2005-05-21  Richard Guenther  <rguenth@gcc.gnu.org>

        * tree-stdarg.c (execute_optimize_stdarg): Handle references
        to va_list of the form &va[0].

2005-05-20  Jan Hubicka  <jh@suse.cz>

        * Makefile.in (insn-emit.o): Add basic-block.h dependency.
        * genemit.c (main): Make insn-emit to include basic-block.h too.

2005-05-20  Jan Hubicka  <jh@suse.cz>

        * cgraphunit.c (cgraph_expand_function): Force function being lowered.

2005-05-19  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (emit_unlikely_jump, emit_load_locked,
        emit_store_conditional): Split out from ...
        (alpha_split_atomic_op): ... here.
        (alpha_split_compare_and_swap): New; extract from .md file.
        (alpha_split_lock_test_and_set): Likewise.
        * config/alpha/alpha-protos.h: Update.
        * config/alpha/sync.md (sync_compare_and_swap<I48MODE>): Move
        split code into alpha.c.
        (sync_lock_test_and_set<I48MODE>): Likewise.

2005-05-19  Richard Henderson  <rth@redhat.com>

        * unwind.h, unwind-pe.h: Revert gcc_unreachable change of 05-17.

2005-05-19  Richard Henderson  <rth@redhat.com>

        * config/i386/sse.md (mulv4si3): Use all register inputs.
        (mulv2di3): Likewise.

2005-05-19  Richard Guenther  <rguenth@gcc.gnu.org>

        * tree-ssa-loop-ivopts.c (determine_base_object): Use
        build_fold_addr_expr to generate trees of correct type.
        Use fold_buildN if possible.

2005-05-19  Jan Hubicka  <jh@suse.cz>

        * basic-block.h (REG_BR_PROB_BASE): Define.
        * cgraph.c (cgraph_create_edge): Initialize loop_nest and count.
        (dump_cgraph_node): Dump count.
        (cgraph_clone_edge): Rescale counts.
        (cgraph_clone_node): Likewise.
        * cgraph.h: Include basic-block.h
        (cgraph_node): Add count.
        (cgraph_edge): Add count and loop_nest.
        (cgraph_node, cgraph_edge, cgraph_clone_edge, cgraph_clone_node):
        Update prototypes.
        * cgraphunit.c: Kill now redundant inlining comment.
        (cgraph_create_edges): Make static, maintain current basic block;
        fix pasto.
        (record_call_1): Fill in new fields.
        * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
        cgraph_clone_node.
        (cgraph_decide_recursive_inlining): Likewise.
        * rtl.h (REG_BR_PROB_BASE): Kill.
        * tree-inline.c (copy_body_r): Update call of cgraph_clone_edge.
        (expand_call_inline): Update call of cgraph_create_edge.
        * tree-optimize.c (tree_rest_of_compilation): Likewise.

2005-05-19  Nick Clifton  <nickc@redhat.com>

        * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use the
        new rs6000_explicit_options structure.

2005-05-19  Richard Henderson  <rth@redhat.com>

        PR target/21390
        * config/alpha/alpha.c (alpha_emit_conditional_branch): Move 
        TFmode code swapping ...
        (alpha_emit_xfloating_compare): ... here.
        (alpha_emit_setcc): Update to match.
        (alpha_lookup_xfloating_lib_func): Assert TARGET_HAS_XFLOATING_LIBS.

2005-05-19  Richard Henderson  <rth@redhat.com>

        PR target/21657
        * config/ia64/ia64.c (ia64_expand_tls_address): Remove extra
        memory indirection in local-dynamic case.

2005-05-18  Jie Zhang  <jie.zhang@analog.com>
            Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.c (branch_dest): Add comment why it's
        necessary.
        * config/bfin/bfin.md (attr "length" default): Change the offset of
        forward conditional branch of length 4 from 4096 to 4092.

2005-05-19  Jan Beulich  <jbeulich@novell.com>

        * unwind-compat.c: Include tconfig.h and tsystem.h.
        * unwind-dw2-fde-compat.c: Likewise.

2005-05-18  Richard Henderson  <rth@redhat.com>

        PR 21541
        * ifcvt.c (noce_process_if_block): Avoid conversion when the
        memory destination is readonly.

2005-05-18  Richard Henderson  <rth@redhat.com>

        PR 21541
        * tree-ssa-operands.c (opf_non_specific): New.
        (get_asm_expr_operands): Set it.
        (add_call_clobber_ops, add_call_read_ops): Likewise.
        (add_stmt_operand): Test it instead of opf_kill_def when
        considering unmodifiable variables.

        * tree-ssa-operands.c (get_expr_operands): Fix exact test.

2005-05-19  Kazu Hirata  <kazu@cs.umass.edu>

        * cfgexpand.c, tree-cfg.c, tree-inline.c, tree-optimize.c,
        tree-ssa-forwprop.c: Fix comment typos.
        * doc/invoke.texi: Fix a typo.

2005-05-18  Richard Henderson  <rth@redhat.com>

        * config.gcc (powerpc-*-linux*): Include linux64.opt when
        including linux64.h.

2005-05-18  Richard Henderson  <rth@redhat.com>

        * tree-cfg.c (pass_remove_useless): Revert last change.
        * tree-optimize.c (init_tree_optimization_passes): Initialize
        all_lowering_passes with PROP_gimple_any.

2005-05-18  Devang Patel  <dpatel@apple.com>

        * config/rs6000/rs6000.md (insvsi_internal1): Subtract shift from
        the mask end.
        
2005-05-18  Richard Henderson  <rth@redhat.com>

        * tree-ssa-forwprop.c (cfg_changed): New.
        (tidy_after_forward_propagate_addr): New.
        (forward_propagate_addr_expr): Use it, and fold_stmt_inplace.
        (forward_propagate_addr_into_variable_array_index): Likewise.
        (tree_ssa_forward_propagate_single_use_vars): Cleanup cfg if
        edges were removed.

2005-05-18  Geoffrey Keating  <geoffk@apple.com>

        * dummy-checksum.c: New.
        * genchecksum.c: New.
        * c.opt (print_pch_checksum): New flag.
        * c-pch.c (struct c_pch_validity): Make much shorter.
        (no_checksum): New.
        (host_machine): Remove.
        (target_machine): Remove.
        (get_ident): Change PCH version number.
        (pch_init): When -fverbose-asm, print out the compiler fingerprint.
        Don't put triplets or version string in PCH validity data.
        Do put the compiler checksum in the validity data.
        (c_common_valid_pch): Don't check triplets or version string.  Do
        check checksum.
        (c_common_print_pch_checksum): New.
        * c-opts.c (c_common_handle_option): Add OPT_print_pch_checksum.
        Print fingerprint with -v.
        * c-common.h (c_common_print_pch_checksum): New.
        (executable_checksum): New.
        * Makefile.in (STAGEMOVESTUFF): Add cc1*-dummy, *-checksum.c.
        (cc1-dummy): New rule.
        (cc1-checksum.c): New rule.
        (cc1-checksum.o): New rule.
        (cc1): Add checksum support.
        (build/genchecksum): New.
        (build/genchecksum.o): New.
        (dummy-checksum.o): New.
        (genobjnames): Add genchecksum.o.
        (mostlyclean): Remove *-checksum.c.
        (gnucompare): Add libgcc to list of directories checked.
        Make comparison problems in libgcc/ and with checksum files only
        be warnings.
        * doc/invoke.texi (Precompiled Headers): Remove caution.
        Document that it must be the exact same binary.  Add a few
        known-safe flags to the list.

        * rs6000/predicates.md (fix_trunc_dest_operand): New.
        * rs6000/rs6000.md (fix_truncdfsi2): Use fix_trunc_dest_operand.
        Check that a memory operand is valid before trying to use it.
        
        * tree-cfg.c (pass_remove_useless): This pass works on trees.

2005-05-18  Richard Guenther  <rguenth@gcc.gnu.org>

        * tree.c (build1_stat): Don't try to handle two-operand
        tree codes.

2005-05-18  Richard Sandiford  <rsandifo@redhat.com>

        * config.gcc (sh*-*-*): Define SUPPORT_* macros to 1.
        * config/sh/sh.h: Update mask names throughout.
        (target_flags, ISIZE_BIT, DALIGN_BIT, SH1_BIT, SH2_BIT, SH3_BIT)
        (SH_E_BIT, HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, SH4A_BIT, FMOVD_BIT)
        (SH5_BIT, SPACE_BIT, BIGTABLE_BIT, RELAX_BIT, USERMODE_BIT)
        (HITACHI_BIT, NOMACSAVE_BIT, PREFERGOT_BIT, PADSTRUCT_BIT)
        (LITTLE_ENDIAN_BIT, IEEE_BIT, SAVE_ALL_TR_BIT, HARD_SH2A_BIT)
        (HARD_SH2A_DOUBLE_BIT, INDEXED_ADDRESS_BIT, PT_FIXED_BIT)
        (INVALID_SYMBOLS_BIT, ADJUST_UNROLL_BIT, TARGET_DUMPISIZE)
        (TARGET_ALIGN_DOUBLE, TARGET_SH1, TARGET_SH2, TARGET_SH3)
        (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH5, TARGET_FMOVD)
        (TARGET_IEEE, TARGET_SMALLCODE, TARGET_BIGTABLE, TARGET_RELAX)
        (TARGET_HITACHI, TARGET_NOMACSAVE, TARGET_PADSTRUCT)
        (TARGET_LITTLE_ENDIAN, TARGET_USERMODE, TARGET_PREFERGOT)
        (TARGET_SAVE_ALL_TARGET_REGS, TARGET_ALLOW_INDEXED_ADDRESS)
        (TARGET_PT_FIXED, TARGET_INVALID_SYMBOLS, TARGET_ADJUST_UNROLL)
        (TARGET_SWITCH_SH1, TARGET_SWITCH_SH2, TARGET_SWITCH_SH2E)
        (TARGET_SWITCH_SH2A, TARGET_SWITCH_SH2A_SINGLE_ONLY)
        (TARGET_SWITCH_SH2A_SINGLE, TARGET_SWITCH_SH2A_NOFPU)
        (TARGET_SWITCH_SH3, TARGET_SWITCH_SH3E, TARGET_SWITCH_SH4_SINGLE_ONLY)
        (TARGET_SWITCH_SH4_SINGLE, TARGET_SWITCH_SH4_NOFPU, TARGET_SWITCH_SH4)
        (TARGET_SWITCH_SH4A, TARGET_SWITCH_SH4A_SINGLE_ONLY)
        (TARGET_SWITCH_SH4A_SINGLE, TARGET_SWITCH_SH4A_NOFPU)
        (TARGET_SWITCH_SH4AL, TARGET_SWITCH_SH5_64MEDIA)
        (TARGET_SWITCH_SH5_64MEDIA_NOFPU, TARGET_SWITCHES_SH5_32MEDIA)
        (TARGET_SWITCHES_SH5_32MEDIA_NOFPU, TARGET_SWITCH_SH5_32_ANY_EXTRA)
        (TARGET_SWITCH_SH5_MEDIA_ANY_EXTRA, TARGET_SWITCHES)
        (SUBTARGET_SWITCHES): Delete.
        (TARGET_SH2E, TARGET_SH2A, TARGET_SH2A_SINGLE, TARGET_SH2A_DOUBLE)
        (TARGET_SH3E, TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARVARD)
        (TARGET_FPU_DOUBLE, TARGET_SH4A_ARCH, TARGET_SHMEDIA32)
        (TARGET_SHMEDIA64): Redefine using other TARGET_* macros.
        (TARGET_SH4): Undefine options.h definition and check MASK_SH1 as well.
        (SUPPORT_SH1, SUPPORT_SH2E, SUPPORT_SH4, SUPPORT_SH4_SINGLE)
        (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Make numeric.
        (SUPPORT_SH2): Define to 1 if SUPPORT_SH1.
        (SUPPORT_SH3): Likewise SUPPORT_SH2.
        (SUPPORT_SH4_NOFPU): Likewise SUPPORT_SH3.
        (SUPPORT_SH4A_NOFPU, SUPPORT_SH4AL, SUPPORT_SH2A_NOFPU): Likewise
        SUPPORT_SH4_NOFPU.
        (SUPPORT_SH3E): Likewise SUPPORT_SH2E.
        (SUPPORT_SH4_SINGLE_ONLY, SUPPORT_SH4A_SINGLE_ONLY)
        (SUPPORT_SH2A_SINGLE_ONLY): Likewise SUPPORT_SH3E.
        (SUPPORT_SH4A): Likewise SUPPORT_SH4.
        (SUPPORT_SH4A_SINGLE): Likewise SUPPORT_SH4_SINGLE.
        (SUPPORT_SH5_32MEDIA): Likewise SUPPORT_SH5_COMPACT.
        (SUPPORT_SH5_32MEDIA_NOFPU): Likewise SUPPORT_SH5_COMPACT_NOFPU.
        (SUPPORT_ANY_SH5_32MEDIA, SUPPORT_ANY_SH5_64MEDIA)
        (SUPPORT_ANY_SH5): New macros.
        (TARGET_NONE): Replace with...
        (MASK_ARCH): ...this new macro.
        * config/sh/elf.h: Update mask names
        * config/sh/linux.h: Likewise.
        * config/sh/little.h: Likewise.
        * config/sh/netbsd-elf.h: Likewise.
        * config/sh/symbian-pre.h: Likewise.
        * config/sh/sh.c (sh_handle_option): New function.
        (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
        (calc_live_regs): Use MASK_FPU_SINGLE instead of FPU_SINGLE_BIT.
        (sh_target_switches, target_switches): Delete.
        (sh_pch_valid_p): Check for specific differences in the target_flags
        settings.
        (sh_init_cumulative_args): Use MASK_HITACHI instead of HITACHI_BIT.
        * config/sh/sh.opt: New file.

2005-05-18  Richard Henderson  <rth@redhat.com>

        PR target/21632
        * config/ia64/ia64.c (ia64_extra_constraint) <'T'>: Use
        small_addr_symbolic_operand.

2005-05-18  Jeff Law  <law@redhat.com>

        * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
        propagate an ADDR_EXPR if the definition and use sites are
        in different EH regions.

2005-05-18  Ian Lance Taylor  <ian@airs.com>

        * read-rtl.c (mode_attr_index): Use obstack_grow0, not
        obstack_grow.

2005-05-18  Daniel Berlin  <dberlin@dberlin.org>

        * cfgrtl.c (purge_dead_edges): Don't remove fake edges.

2005-05-18  Daniel Berlin  <dberlin@dberlin.org>
        
        Fix PR tree-optimization/21407

        * tree-ssa-operands.c (note_addressable): Change
        COMPONENT_REF handling in response to aliasing
        discussion.

2005-05-18  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sol2.h (TARGET_DEFAULT): Add back MASK_APP_REGS.
        * config/sparc/sol2-64.h (TARGET_DEFAULT): Likewise.
        * config/sparc/sp-elf.h (TARGET_DEFAULT): Delete.
        * doc/invoke.texi (SPARC options): Document that -mapp-regs is
        the default on Solaris too.

2005-05-17  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-pre.c (find_or_generate_expression): CALL_EXPR
        is okay too.

2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>

        * timevar.def (TV_SCEV_CONST): New timevar.
        * tree-optimize.c (init_tree_optimization_passes): Add
        pass_scev_cprop.
        * tree-pass.h (pass_scev_cprop): Declare.
        * tree-scalar-evolution.c (scev_const_prop): New function.
        * tree-scalar-evolution.h (scev_const_prop): Declare.
        * tree-ssa-loop.c (gate_scev_const_prop, pass_scev_cprop):
        New.
        * tree-cfg.c (replace_uses_by): Export.
        * tree-flow.h (replace_uses_by): Declare.

2005-05-17  Ziemowit Laski  <zlaski@apple.com>
            Mike Stump  <mrs@apple.com>

        Yet more Objective-C++...

        * c-common.h (objc_finish_try_stmt): Add.
        (objc_build_synchronized): Add.
        (objc_generate_write_barrier): Add.
        * stub-objc.c (objc_build_synchronized): Add return value.
        (objc_finish_try_stmt): Likewise.
        (objc_generate_write_barrier): Add.

        * c-common.h (objc_rewrite_function_call): Add.
        * c-typeck.c (build_function_call): Allow objc to rewrite
        FUNCTION_DECLs.
        (build_modify_expr): Allow objc to generate write barriers.
        * c.opt (Wassign-intercept): Add.
        (Wstrict-selector-match): Add.
        (fobjc-call-cxx-cdtors): Add.
        (fobjc-direct-dispatch): Add.
        (fobjc-gc): Add.
        * dbxout.c (get_lang_number): Add Objective-C++ support.
        * doc/invoke.texi (-fobjc-call-cxx-cdtors): Likewise.
        (-Wstrict-selector-match): Likewise.
        (-fobjc-direct-dispatch): Likewise.
        (-Wassign-intercept): Likewise.
        (Overall Options): Likewise.
        * gengtype.c (get_output_file_with_visibility): Likewise.
        * stub-objc.c (objc_rewrite_function_call): Add.
        * config/darwin.h (ASM_OUTPUT_LABELREF): Improved quoting support.

        * c-common.c (flag_objc_exceptions): Remove.
        (flag_objc_sjlj_exceptions): Remove.
        * c-decl.c (objc_mark_locals_volatile): Don't change decls
        that are already ok.
        * c-opts.c (c_common_handle_option, case
        OPT_fobjc_exceptions): Remove.
        (case OPT_fobjc_sjlj_exceptions): Remove
        * c.opt (fobjc-call-cxx-cdtors): Have opt create the flag.
        (fobjc-exceptions): Likewise.
        (fobjc-sjlj-exceptions): Likewise.
        * config/rs6000/darwin.h (OFFS_MSGSEND_FAST): Add.
        (OFFS_ASSIGNIVAR_FAST): Add.
        
2005-05-17  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.md (movhi): Do not test constness
        of operand #1 twice.
        (movsi): Likewise.
        (movdi): Unconditionally accept zero as second operand
        when the first is memory.
        (movdi_insn_sp32): Handle above case.
        (DImode splitter): Use predicates.
        (DImode splitter): Use const_zero_operand predicate.
        (movsf_insn): Swap 2 alternatives.

2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-ssa-loop-ivopts.c (find_bivs, find_givs_in_stmt_scev): Apply
        expand_simple_operations to bases of the ivs.
        (tree_int_cst_sign_bit): Export.
        * tree-flow.h (expand_simple_operations): Declare.
        * tree-ssa-loop-niter.c (number_of_iterations_cond): Use
        tree_int_cst_sign_bit.
        (expand_simple_operations): Export.
        * tree.h (tree_int_cst_sign_bit): Declare.

2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-cfg.c (tree_can_merge_blocks_p): Allow phi nodes in the
        merged block.
        (replace_uses_by): New function.
        (tree_merge_blocks): Eliminate the phi nodes in the merged block.
        * tree-flow.h (fold_stmt_inplace): Declare.
        * tree-ssa-ccp.c (fold_stmt_inplace): New function.
        * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update dominance
        info after cfg cleanup.

2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>

        * cfgloop.h (just_once_each_iteration_p): Declaration changed.
        * cfgloopanal.c (just_once_each_iteration_p): Make the loop argument
        const.

2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>

        * ggc-page.c (ggc_alloc_stat): Record amount of memory allocated.
        * ggc-zone.c (ggc_alloc_zone_1): Ditto.
        * timevar.c (timevar_ggc_mem_total): New variable.
        (GGC_MEM_BOUND): New constant.
        (get_time): Record ggc memory status.
        (timevar_accumulate): Accumulate amount of ggc memory.
        (timevar_print): Print consumption of ggc memory.
        * timevar.def (TV_FIND_REFERENCED_VARS, TV_TREE_REDPHI,
        TV_TREE_LOOP_BOUNDS, TV_TREE_LOOP_IVCANON, TV_TREE_VECTORIZATION,
        TV_TREE_LINEAR_TRANSFORM): Shorten strings to fit in 22 characters.
        * timevar.h (struct timevar_time_def): Add ggc_mem field.
        (timevar_ggc_mem_total): Declare.

2005-05-17  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-into-ssa.c (update_ssa): Clean up by shortening the
        live range of DFS.

2005-05-17  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.md (ncond, ocode, rcond): Remove separate
        define_code_attr.
        ("b<ncond:code>", "b<ocond:code>", "b<rcond:code>")
        ("*b<ncond:code>_reversed", "*b<ocond:code>_reversed")
        ("*b<rcond:code>_reversed", "s<ncond:code>", "s<rcond:code>")
        ("s<ocond:code>"): Rename from respectively "b<ncond>",
        "b<ocond>", "b<rcond>", ("*b<ncond>_reversed",
        "*b<ocond>_reversed", "*b<rcond>_reversed", "s<ncond>",
        "s<rcond>" and "s<ocond>".
        ("b<ocond:code>", "*b<ocond:code>_reversed")
        ("*b<rcond:code>_reversed"): Remove extraneous backslashes in
        output statement section.

2005-05-17  Roger Sayle  <roger@eyesopen.com>

        * c-typeck.c (common_type): Also handle BOOLEAN_TYPEs.

2005-05-17  Steven Bosscher  <stevenb@suse.de>
            Stuart Hastings <stuart@apple.com>
            Jan Hubicka  <jh@suse.cz>
            Dale Johannesen  <dalej@apple.com>

        * cgraph.h (cgraph_node): Add 'lowered' state.
        (cgraph_lower_function): Declare.
        * cgraphunit.c (cgraph_finalize_function): Initialize lowered flag.
        (cgraph_lower_function): New function.
        (cgraph_create_edges): Deal with lowered function bodies.
        (verify_cgraph_node): Likewise.
        (cgraph_analyze_function): Do lowering job.
        (cgraph_build_static_cdtor): Likewise.
        * function.h (struct function): Add saved_eh and saved_cfg.
        * integrate.c (copy_decl_for_inlining): Kill LABEL_DECL_UID field.
        * tree-cfg.c (fold_cond_expr_cond): Export.
        * tree-flow.h (fold_cond_expr_cond): Declare.
        * tree-inline.c: Include basic-block, ggc, tree-flow, except.h and
        pointer-set.
        (struct_inline_data): Kill fnd, first_inlined_fn, ret_label,
        in_target_cleanup_p, tree_pruner, tsi; add callee, caller and
        callee_cfun, block, eh_region, eh_region_offset.
        (inlining_p): New predicate.
        (remap_decl): Update for new inline_data; declare newly created inline
        vars in low gimple way.
        (copy_body_r): Update for new datastructure, simplify some of handling
        when we are in gimple; remap LABEL_DECLs for EH; copy TREE_BLOCK;
        deal with RESX_EXPRs.
        (copy_bb): New.
        (copy_edges_for_bb): Likewise.
        (remap_decl_1): New.
        (copy_cfg_body): New.
        (copy_generic_body): Rewrite to work on low gimple.
        (copy_body): Turn into simple wrapper around copy_cfg_body.
        (setup_one_parameter): Insert new statements into given basic block.
        (initialize_initialized_parameters): Likewise, reorganize way things are
        gimplified.
        (declare_return_variable): Update for new inline data datastructure.
        (inline_forbidden_p): Work on low gimple.
        (estimate_num_insns): Likewise.
        (expand_call_inline): Work on CFG.
        (push_cfun, pop_cfun): New functions.
        (cfun_stack): New stack.
        (add_lexical_block): New function.
        (gimple_expand_calls_inline): Work on basic block.
        (optimize_inline_calls): Likewise.
        (clone_body, save_body, unsave_ewpr_now): Update for new
        datastructures.
        (declare_inline_vars): Work on block instead of bind_expr.
        (inlining_p): New predicate.
        * tree-inline.h (push_cfun, pop_cfun): Declare.
        * tree-optimize.c: Include except.h
        (all_lowering_passes): New variable.
        (execute_fixup_cfg, pass_fixup_cfg): New pass.
        (init_tree_optimization_passes): Move some to all_lowering_passes.
        (tree_lowering_passes): New function.
        (tree_rest_of_compilation): Register cfg hooks; save/unsave eh.
        * tree-pass.h (tree_lowering_passes): Declare

2005-05-17  Nathan Sidwell  <nathan@codesourcery.com>

        * unwind-dw2-fde-darwin.c: Include tsystem.h.

2005-05-17  Jeff Law  <law@redhat.com>

        * Makefile.in (tree-ssa-forwprop.o): Depend on langhooks.h.
        * tree-ssa-forwprop.c: Include langhooks.h.
        (forward_propagate_addr_expr_into_variable_array_index): New.
        (forward_propagate_addr_expr): New.
        (tree_ssa_forward_propagate_single_use_vars): Loop over all
        the statements in the block instead of just the last statement.
        Call forward_propagate_addr_expr as needed.
        (pass_forwprop): Update the SSA graph after forward propagation is
        complete.

2005-05-17  Nathan Sidwell  <nathan@codesourcery.com>

        * unwind-dw2-fde-glibc.c (base_from_cb_data,
        _Unwind_IteratePhdrCallback): Use gcc_assert and gcc_unreachable as
        appropriate.
        * unwind-dw2-fde.c (__deregister_frame_info_bases,
        base_from_object, fde_split, end_fde_sort): Likewise.
        * unwind-dw2.c (_Unwind_GetGR, _Unwind_SetGR, execute_stack_op, 
        execute_cfa_program, _Unwind_SetSpColumn, uw_update_context_1,
        uw_init_context_1): Likewise.
        * unwind.inc (_Unwind_RaiseException_Phase2, _Unwind_Resume,
        _Unwind_Resume_or_Rethrow): Likewise.
        * unwind-pe.h (__gxx_abort): Do not define.
        (size_of_encoded_value, base_of_encoded_value,
        read_encoded_value_with_base): Use gcc_unreachable.
        * unwind.h (_Unwind_GetTextRelBase): Likewise.

2005-05-17  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/arm/lib1funcs.asm (cfi_pop, cfi_push, cfi_start)
        (cfi_end): New macros.
        (RETLDM): Use cfi_pop.  Expect an eight byte stack frame.
        (ARM_LDIV0, THUMB_LDIV0, DIV_FUNC_END): Use CFI macros.  Create
        an eight byte stack frame.
        (__NR_tkill): Define.
        (__div0): Use gettid tkill on GNU/Linux.
        (_arm_return): Add CFI.
        (Lchange_\register, .Lchange_lr): Create an eight byte stack frame.

2005-05-17  Daniel Jacobowitz  <dan@codesourcery.com>

        * configure.ac: Remove spaces around assignment to
        gcc_cv_ld_sysroot.
        * configure: Regenerated.

2005-05-17  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/aix.h (TARGET_ALTIVEC_VRSAVE): Delete.
        * config/rs6000/rs6000.c (rs6000_explicit_options): Add
        aix_struct_ret.
        (rs6000_override_options): Do not protect TARGET_ALTIVEC_VRSAVE.
        Modify aix_struct_return variable, not target_flags.
        (rs6000_handle_option): Do not protect TARGET_ALTIVEC_VRSAVE.
        (rs6000_return_in_memory): Test aix_struct_return.
        * config/rs6000/rs6000.opt (maix-struct-return): Convert to
        independent variable.  Report mxl-compat.

2005-05-17  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.md (eh_return): Add missing DONE.

2005-05-17  Ian Lance Taylor  <ian@airs.com>

        * read-rtl.c (struct macro_traverse_data): Add unknown_mode_attr
        field.
        (mode_attr_index): Remove check for defined attribute.  Remove
        infile parameter.  Change all callers.
        (apply_mode_maps): Add unknown parameter.  Change caller.  Always
        return after finding attribute.
        (apply_macro_to_rtx): Add unknown_mode_attr parameter.  Change
        callers.
        (apply_macro_traverse): Set mtd->unknown_mode_attr.
        (read_rtx): Use mtd.unknown_mode_attr to check for an undefined
        attribute used for a mode.

2005-05-17  Paolo Bonzini  <bonzini@gnu.org>

        * tree-ssa-math-opts.c: New file.

2005-05-17  Paolo Bonzini  <bonzini@gnu.org>

        * Makefile.in: Add tree-ssa-math-opts.c.
        * expr.c (expand_expr_real_1) <case RDIV_EXPR>: Never emit as a*(1/b).
        * fold-const.c (distribute_real_division): New.
        (fold_binary) <case PLUS_EXPR, case MINUS_EXPR>: Use it.
        * tree-pass.h (pass_cse_reciprocals): New.
        * tree-optimize.c (init_tree_optimization_passes): Run it.
        * doc/passes.texi: Document the new pass.

2005-05-17  Richard Guenther  <rguenth@gcc.gnu.org>

        PR middle-end/21595
        * builtins.c (fold_builtin_constant_p): Handle
        &"string cst"[0] as constant.

2005-05-17  Richard Henderson  <rth@redhat.com>

        * config/i386/sse.md (mulv16qi3, mulv2di3): New.

2005-05-17  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/21492
        * cfgcleanup.c (try_crossjump_to_edge): update_forwarder_flag for
        src2 if src2 has been split.

        PR tree-optimization/21610
        * c-typeck.c (decl_constant_value_for_broken_optimization): If not
        returning DECL, call unshare_expr.

2005-05-17  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.md: Unquote preparation and output statements.
        (BWD, WD, BW): New, mode-macros.
        (S, s, m, mm, nbitsm1): New, mode-attrs.
        (szext, shift, shiftrt, ncond, ocond, rcond): New, code-macros.
        (u, su, shlr, slr, ncond, ocond, rcond, rCC, oCC, roCC): New,
        code-attrs.
        ("tst<mode>"): Replace "tstqi", "tsthi" and "tstsi".
        ("*cmp_ext<mode>"): Replace "*cmp_extsi" and "*cmp_exthi".
        ("*cmp_swapext<mode>"): Replace "*cmp_swapextqi" and
        "*cmp_swapexthi".
        ("cmp<mode>"): Replace "cmphi" and "cmpqi".
        ("movdi"): Move misplaced head comment regarding necessity of
        movdi from movsi to here.
        ("*mov_side<mode>_biap"): Replace "*mov_sideqi_biap" and
        "*mov_sidehi_biap".
        ("*mov_side<mode>"): Replace "*mov_sideqi" and "*mov_sidehi".
        ("*mov_side<mode>_biap_mem", "*mov_sidehi_biap_mem"): Replace
        "*mov_sideqi_biap_mem".
        ("*mov_side<mode>_mem"): Replace "*mov_sideqi_mem" and
        "*mov_sidehi_mem".
        ("*clear_side<mode>_biap"): Replace "*clear_sidesi_biap",
        "*clear_sidehi_biap" and "*clear_sideqi_biap".
        ("*clear_side<mode>"): Replace "*clear_sidesi", "*clear_sidehi"
        and "*clear_sideqi".
        ("*ext_side<mode>si_biap"): Replace "*ext_sideqisi_biap" and
        "*ext_sidehisi_biap".
        ("*ext_side<mode>si"): Replace "*ext_sideqisi" and
        "*ext_sidehisi".
        ("reload_in<mode>"): Replace "reload_inhi" and "reload_inqi".
        ("reload_out<mode>"): Replace "reload_outhi" and "reload_outqi".
        ("extend<mode>di2"): Replace "extendhidi2" and "extendqidi2".
        ("extend<mode>si2"): Replace "extendhisi2" and "extendqisi2".
        ("zero_extend<mode>si2"): Replace "zero_extendhisi2" and
        "zero_extendqisi2".
        ("*op_side<mode>_biap"): Replace "*op_sideqi_biap",
        "*op_sidehi_biap" and "*op_sidesi_biap".
        ("*op_side<mode>"): Replace "*op_sideqi", "*op_sidehi" and
        "*op_sidesi".
        ("*op_swap_side<mode>_biap"): Replace "*op_swap_sideqi_biap",
        "*op_swap_sidehi_biap" and "*op_swap_sidesi_biap".
        ("*op_swap_side<mode>"): Replace "*op_swap_sideqi",
        "*op_swap_sidehi" and "*op_swap_sidesi".
        ("sub<mode>3"): Replace "subhi3" and "subqi3", correcting a typo
        in the N alternative of "subqi3".
        ("*extop<mode>si_side_biap"): Replace "*extopqisi_side_biap" and
        "*extophisi_side_biap".
        ("*extop<mode>si_side"): Replace "*extopqisi_side" and
        "*extophisi_side".
        ("*extop<mode>si_swap_side_biap"): Replace
        "*extopqisi_swap_side_biap" and "*extophisi_swap_side_biap".
        ("*extop<mode>si_swap_side"): Replace "*extopqisi_swap_side" and
        "*extophisi_swap_side".
        ("*extop<mode>si"): Replace "*extopqisi" and "*extophisi".
        ("*extop<mode>si_swap"): Replace "*extopqisi_swap" and
        "*extophisi_swap".
        ("<u>mul<s><mode>3"): Replace "umulhisi3", "umulqihi3",
        "mulqihi3", "mulhisi3" and "mulhisi3".
        ("<u>mulsidi3"): Replace "mulsidi3" and "umulsidi3".
        ("<su>mulsi3_highpart"): Replace "smulsi3_highpart" and
        "umulsi3_highpart".
        ("xor<mode>3"): Replace "xorhi3" and "xorqi3".
        ("neg<mode>2"): Replace "negsi2", "neghi2" and "negqi2".
        ("one_cmpl<mode>2"): Replace "one_cmplhi2" and "one_cmplqi2".
        ("<shlr>si3"): Replace "ashrsi3", "lshrsi3" and "ashlsi3".
        ("ashr<mode>3"): Replace "ashrhi3" and "ashrqi3".
        ("*expanded_<shlr><mode>"): Replace "*expanded_ashrhi",
        "*expanded_ashrqi", "*expanded_lshrhi" and "*expanded_lshrqi".
        ("*<shlr><mode>_lowpart"): Replace "*ashrhi_lowpart",
        "*ashrqi_lowpart", "*lshrhi_lowpart" and "*lshrqi_lowpart".
        ("lshr<mode>3"): Replace "lshrhi3" and "lshrqi3".
        ("ashl<mode>3"): Replace "ashlhi3" and "ashlqi3".
        ("*ashl<mode>_lowpart"): Replace "*ashlqi_lowpart" and
        "*ashlhi_lowpart".
        ("abs<mode>2"): Replace "abshi2" and "absqi2".
        ("b<ncond>"): Replace "beq", "bne", "bgtu", "bltu", "bgeu" and
        "bleu".
        ("b<ocond>"): Replace "bgt" and "ble".
        ("b<rcond>"): Replace "blt" and "bge".
        ("*b<ncond>_reversed"): Replace "*beq_reversed", "*bne_reversed",
        "*bgtu_reversed", "*bltu_reversed", "*bgeu_reversed" and
        "*bleu_reversed".
        ("*b<ocond>_reversed"): Replace "*bgt_reversed" and
        "*ble_reversed".
        ("*b<rcond>_reversed"): Replace "*blt_reversed" and
        "*blt_reversed".
        ("s<ncond>"): Replace "sgeu", "sltu", "seq", "sgtu", "sleu" and
        "sne".
        ("s<rcond>"): Replace "sge" and "slt".
        ("s<ocond>"): Replace "sgt" and "sle".
        ("clear.[bwd] [rx=rx+rz.S2]"): Replace split clear.d
        [rx=rx+rz.S2], clear.w [rx=rx+rz.S2] and clear.b [rx=rx+rz.S2].
        ("clear.[bwd] [rx=rx+i]"): Replace splits clear.d [rx=rx+i],
        clear.w [rx=rx+i] and clear.b [rx=rx+i].

2005-05-17  Jakub Jelinek  <jakub@redhat.com>

        * varasm.c (struct constant_descriptor_tree): Add hash field.
        (const_desc_hash): Just return hash field.
        (const_desc_eq): If hash values are different, return 0 immediately.
        (output_constant_def): Compute hash field of temporary key, use
        htab_find_slot_with_hash instead of htab_find_slot.  Set hash in
        newly built constant descriptor.
        (lookup_constant_def): Compute hash field of temporary key, use
        htab_find_with_hash instead of htab_find.

2005-05-16  Richard Henderson  <rth@redhat.com>

        * config/i386/sse.md (mulv4si3): New.

2005-05-17  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.h (EXTRA_CONSTRAINT_T): Remove FIXME and
        tests for noncanonical versions of reg+constant and
        reg+reg*{1,2,4}.

2005-05-16  Richard Henderson  <rth@redhat.com>
            Steven Bosscher <stevenb@suse.de>

        PR tree-opt/21399
        * tree-eh.c (maybe_clean_or_replace_eh_stmt): Rename from 
        maybe_clean_eh_stmt; take old stmt parameter.  Update EH
        region data structure to match replacement.
        * tree-flow.h: Update to match.
        * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
        * tree-ssa-dom.c (optimize_stmt): Likewise.
        * tree-ssa-pre.c (eliminate): Likewise.
        * tree-ssa-propagate.c (substitute_and_fold): Likewise.

2005-05-16  Caroline Tice  <ctice@apple.com>

        * bb-reorder.c (verify_hot_cold_block_grouping):  Replace
        internal_error with gcc_assert.
        * dwarf2out.c (dwarf2out_switch_text_section):  Likewise.
        * function.h (struct function): Remove space between "*" and
        struct field names.
        * varasm.c (initialize_cold_section_name):   Add gcc_assert;
        modify to use alloca.
        (unlikely_text_section): Add check for flag_function_sections.
        (assemble_start_function):  Move call to resolve_section, so it
        comes before first call to unlikely_text_section.
        (assemble_end_function):  Add test and call to function_section
        if appropriate.
        
2005-05-16  Roger Sayle  <roger@eyesopen.com>

        * c-common.c (c_common_truthvalue_conversion): Use fold_build2
        instead of build_binary_op when performing code transformations
        to avoid error messages about constructs not it the user's code.

2005-05-16  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-pre.c: Fix a comment typo.

2005-05-16  Richard Henderson  <rth@redhat.com>

        PR target/21556
        * config/ia64/ia64.md (load_dtpmod, load_ltoff_dtpmod, load_dtprel,
        load_dtprel64, load_dtprel22, load_dtprel_gd, load_ltoff_dtprel,
        add_dtprel, add_dtprel14, add_dtprel22, load_tprel, load_tprel64,
        load_tprel22, load_tprel_ie, load_ltoff_tprel, add_tprel, add_tprel14,
        add_tprel22): Remove mode from symbolic operand.

2005-05-16  Richard Sandiford  <rsandifo@redhat.com>

        * optc-gen.awk: Include intl.h after the externally-provided files.

2005-05-16  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-copy.c (copy_prop_visit_assignment): Clean up by
        folding a COND_EXPR_COND in a nondestructive manner.

2005-05-16  Fariborz Jahanian <fjahanian@apple.com>

        * config/rs6000/altivec.md (altivec_vmrghb, altivec_vmrghh, 
        altivec_vmrghw, altivec_vmrglb, altivec_vmrglh, altivec_vmrglw):
        New values for vec_select definitions and bitmask for element
        selection.
         
2005-05-16  Kazu Hirata  <kazu@cs.umass.edu>

        * dwarf2out.c (used_rtx_varray): Rename to used_rtx_array.
        Change the type to VEC(rtx,gc)*.
        (mem_loc_descriptor, add_const_value_attributes,
        dwarf2out_init): Adjust uses of used_rtx_varray.

        * tree-data-ref.c (compute_all_dependences): Change the type
        of dependence_relations to VEC(ddr_p,heap)**.
        (compute_data_dependences_for_loop): Change the type of
        allrelations to VEC(ddr_p,heap)*.

2005-05-16  Richard Sandiford  <rsandifo@redhat.com>

        * Makefile.in (options.c): Tell optc-gen.awk to include config.h,
        system.h, coretypes.h and tm.h.
        (options.o): Update dependencies accordingly.
        * optc-gen.awk: Allow header_name to be a list of filenames.
        Handle the "Condition" flag.
        * opts.h (CL_DISABLED): New flag.
        * opts.c (handle_option): Print an error for CL_DISABLED options.
        * doc/options.texi: Document the "Condition" option flag.

2005-05-16  Paolo Bonzini  <bonzini@gnu.org>

        * tree-inline.c (estimate_num_insns_1): Handle VEC_COND_EXPR.

2005-05-15  Roger Sayle  <roger@eyesopen.com>

        * tree-scalar-evolution.c (set_nb_iterations_in_loop): Only
        check for TREE_OVERFLOW on INTEGER_CST trees.
        * tree-chrec.c (chrec_convert): Only clear TREE_OVERFLOW on
        CONSTANT_CLASS_P tree nodes.

2005-05-15  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/21551
        * config/ia64/ia64.c (ia64_expand_move): Don't add addend twice.

2005-05-15  Daniel Berlin  <dberlin@dberlin.org>
            
        Fix PR tree-optimization/21576
        
        * tree-ssa-pre.c (expression_node_pool): New pool.
        (comparison_node_pool): Ditto.
        (list_node_pool): Ditto.
        (pool_copy_list): New function.
        (phi_translate): Handle CALL_EXPR.
        (valid_in_set): Ditto.
        (create_expression_by_pieces): Ditto.
        (insert_into_preds_of_block): Ditto.
        (insert_aux): Ditto.
        (compute_avail): Ditto.
        (create_value_expr_from): Handle TREE_LIST and CALL_EXPR.
        (can_value_number_call): New function.
        (find_leader): Update comment.
        (init_pre): Create new pools.
        (fini_pre): Free new pools.
        (pass_pre): Add TODO_update_ssa for the future when we are going
        to need vops.
        * tree-vn.c (expressions_equal_p): Handle TREE_LIST.
        (set_value_handle): Ditto.
        (get_value_handle): Ditto.

2005-05-15  Richard Earnshaw  <richard.earnshaw@arm.com>

        * arm.c (thumb_unexpanded_epilogue): Delete unused variable 'mode'.

2005-05-15  Andreas Jaeger  <aj@suse.de>

        * gcc.c (pfatal_pexecute): Remove unused local function.

2005-05-15  Richard Sandiford  <rsandifo@redhat.com>

        * optc-gen.awk: Remove excess indentation.
        * opth-gen.awk: Likewise.

2005-05-14  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_output_mi_thunk): Check cfun->cfg instead
        of basic_block_info.  Call init_flow and find_basic_blocks
        before dbr_schedule if needed.

2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-optimize.c (init_tree_optimization_passes): Move
        pass_cd_dce in place of the last pass_dce.

        PR tree-optimization/21563
        * tree-vrp.c (compare_value): Return boolean_false_node when
        SSA_NAME in "if (SSA_NAME == CST)" is strictly smaller than or
        strictly larger than CST.

2005-05-14  Nathan Sidwell  <nathan@codesourcery.com>
            Jan-Benedict Glaw  <jbglaw@lug-owl.de>

        * config/vax/vax.c: (print_operand_address) Use gcc_unreachable() and
        gcc_assert().
        (rev_cond_name) Likewise.
        (vax_float_literal) Likewise.
        * config/vax/vax.md: Likewise.

2005-05-14  Jan-Benedict Glaw  <jbglaw@lug-owl.de>

        * config/vax/vax.md: define_constant VAXens AP, FP, SP and PC
        registers and use them (specifically the stack pointer).
        * config/vax/vax.h: Use above defines right here.

        * config/vax/vax.c: (override_options) Remove 'register' keyword.
        (split_quadword_operands) Likewise. (rev_cond_name) Likewise.
        (vax_float_literal) Likewise. (vax_rtx_costs) Remove trailing
        whitespace.
        * config/vax/vax.h: Remove 'register' keyword. Misc. whitespace fixes,
        mostly removal of trailing spaces...
        * config/vax/vax-modes.def: Remove trailing whitespace.

        * config/vax/elf.h: Update whitespace.

2005-05-14  Richard Guenther  <rguenth@gcc.gnu.org>

        Revert
        2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
        * fold-const.c (fold_indirect_ref_1): Avoid removing
        NOP_EXPRs with type qualifiers like const.

2005-05-14  Jan Hubicka  <jh@suse.cz>

        Patch by Richard Henderson:
        * tree-eh.c (tree_can_throw_internal, tree_can_throw_external):
        Handle RESX expressions properly.

        * tree-eh.c (record_stmt_eh_region): Use add_stmt_to_eh_region.
        (add_stmt_to_eh_region_fn): Nest into CALL_EXPR.
        (remove_stmt_from_eh_region_fn): Likewise.

        * tree-cfg.c (execute_warn_function_return): Break out noreturn
        warning too..
        (execute_warn_function_noreturn): ... here.
        (pass_warn_function_noreturn): New pass.
        * tree-pass.h (pass_warn_function_noreturn): Declare
        * tree-optimize.c (init_tree_optimization_passes): Move return
        warnings early and add noreturn warnings at place of previous
        return warnings.

2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-live.c (tpa_init, tpa_delete, tpa_compact,
        root_var_init, type_var_init): Use VEC instead of VARRAY.
        * tree-ssa-live.h (tree_partition_associator_d): Change the
        type of trees to VEC(tree,heap)*.
        (tpa_tree): Use VEC instead of VARRAY.

2005-05-14  Richard Guenther  <rguenth@gcc.gnu.org>

        * fold-const.c (div_if_zero_remainder): New function.
        (try_move_mult_to_index): Use it.

2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-eh.c (leh_tf_state): Change the type of dest_array to
        VEC(tree,heap)*.
        (maybe_record_in_goto_queue, lower_try_finally_onedest,
        lower_try_finally_copy, lower_try_finally_switch,
        lower_try_finally): Use VEC instead of VARRAY.

2005-05-14  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.h (Node: Register Classes): Remove obsoleted
        comment regarding defined register classes.
        (LEGITIMIZE_RELOAD_ADDRESS): Do not define.

2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-optimize.c (init_tree_optimization_passes): Move
        pass_merge_phi before the first pass_dominator.

2005-05-13  Richard Earnshaw  <richard.earnshaw@arm.com>

        * arm.h (INITIALIZE_TRAMPOLINE): Make the call to __clear_cache
        unconditional.

2005-05-13  Josh Conner  <jconner@apple.com>

        * config/arm/arm.c (arm_size_return_regs): New.
        (thumb_unexpanded_epilogue): replace in-line calculation
        of return registers with call to arm_size_return_regs.
        (use_return_insn): Include test of which registers are
        being used to hold return values, to accommodate
        vector return values.

2005-05-11  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/sysv4.opt (mlittle): Handle.

        * config/rs6000/rs6000.c (rs6000_handle_option): Set
        target_flags_explicit when appropriate.

2005-05-13  J"orn Rennecke <joern.rennecke@st.com>

        PR middle-end/20714:
        * optabs.c (no_conflict_data): New struct.
        (no_conflict_move_test): New function.
        (emit_no_conflict_block): Use it.

2005-05-13  Adam Nemet  <anemet@lnxw.com>

        * doc/invoke.texi (Debugging Options): Option
        -fdump-translation-unit only works with C++ now.

2005-05-13  Hans-Peter Nilsson  <hp@axis.com>

        Replace calls to abort in CRIS port.
        * config/cris/cris.h (CRIS_ASSERT): New macro.
        * config/cris/cris.md ("*movsi_internal"): Use CRIS_ASSERT and
        internal_error instead of abort.
        ("movsi"): Ditto.  Unquote preparation statement section.
        ("call", "call_value"): Ditto, but use gcc_assert where
        appropriate.  Tweak comments.
        * config/cris/cris.c (ASSERT_PLT_UNSPEC): Define in terms of
        CRIS_ASSERT.
        (cris_op_str): Call internal_error, not abort.
        (cris_print_operand): Tweak "abort" reference to "die" in comment.
        (cris_initial_elimination_offset): Call gcc_unreachable, not abort.
        (cris_notice_update_cc): Call internal_error, not abort.
        (cris_expand_return, cris_expand_prologue, cris_gen_movem_load)
        (cris_emit_movem_store, cris_asm_output_symbol_ref)
        (cris_output_addr_const_extra): Use CRIS_ASSERT, don't call abort.
        (cris_symbol, cris_got_symbol): Use CRIS_ASSERT instead of
        ENABLE_CHECKING-guarded abort call.
        (cris_split_movdx): Use CRIS_ASSERT instead of abort with test.
        Use internal_error at end of test-chain.

2005-05-13  J"orn Rennecke <joern.rennecke@st.com>

        PR rtl-optimization/20769:
        * bt-load.c (compute_defs_uses_and_gen): Check for the blockage
        pattern emitted by expand_nl_goto_receiver.

        PR middle-end/20793:
        * integrate.c (allocate_initial_values): Update register liveness
        information.

2005-05-13  Josh Conner  <jconner@apple.com>

        * arm.c (arm_return_in_memory): Add handling for vector return types.

2005-05-13  David Ung  <davidu@mips.com>

        * config/mips/mips.h (processor_type): Add new PROCESSOR_4KP
        name.
        * config/mips/mips.c: Add 4km alias.
        * config/mips/mips.md: Add 4kp to cpu attrib and include 4k.md.
        * config/mips/4k.md: New file, add 4Kc/4Kp DFA pipeline
        description.

2005-05-13  Jan Hubicka  <jh@suse.cz>

        * c-decl.c (finish_function): Suppress "control reaches end of
        non-void function" when "no return statement in function
        returning non-void" is issued.

        * tree-inline.c (copy_body_r): Simplify substituted ADDR_EXPRs.
        * tree-optimize.c (pass_gimple): Kill.
        (init_tree_optimization_passes): Kill pass_gimple.
        * tree-cfg.c (build_tree_cfg): Do verify_stmts to check that we are gimple.
        * tree-dump.c (dump_files): Rename .generic to .gimple.*

2005-05-13  J"orn Rennecke <joern.rennecke@st.com>

        PR rtl-optimization/20756:
        * basic-block.h (PROP_DEAD_INSN): Define.
        * flow.c (propagate_one_insn): Set during mark_set_regs call
        for a dead insn.
        (mark_set_1): Emit a clobber when we are about to delete a dead insn
        that kills a live register.

2005-05-13  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390.md: ("DBL"): New mode attribute.
        ("*movmem_long_64", "*movmem_long_31"): Merge to "*movmem_long".
        ("*clrmem_long_64", "*clrmem_long_31"): Merge to "*clrmem_long".
        ("*cmpmem_long_64", "*cmpmem_long_31"): Merge to "*cmpmem_long".

2005-05-13  Richard Guenther  <rguenth@gcc.gnu.org>

        * c-format.c (check_format_arg): Handle string literals of
        the form &"string"[offset].

        * g++.dg/warn/format4.C: New testcase.

2005-05-13  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mips/3000.md, config/mips/4000.md,
        config/mips/4100.md, config/mips/4300.md, config/mips/4600.md,
        config/mips/5000.md, config/mips/7000.md, config/mips/9000.md,
        config/mips/generic.md, config/pdp11/pdp11.md,
        config/sh/crt1.asm, config/sh/lib1funcs.asm,
        config/sh/sh-modes.def, config/sh/sh-protos.h,
        config/sh/shmedia.md, config/sh/ushmedia.h: Update copyright.

2005-05-13  Richard Henderson  <rth@redhat.com>

        * function.c (instantiate_virtual_regs_in_insn): Do not simplify
        addition to move unless dest is a register.  Do not skip
        instantiation in dest on addition simplification.

2005-05-13  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.c (cris_print_operand) <case 'H'; case
        CONST_INT>: Use operand_subword and HOST_WIDE_INT_PRINT_DEC for
        output; don't have special case for HOST_BITS_PER_WIDE_INT == 32.

2005-05-13  Jan Hubicka  <jh@suse.cz>

        * basic-block.h (FOR_ALL_BB_FN): New macro.
        (init_flow): Initialize cfg structure.
        * function.c (allocate_struct_function): Do not initialize cfg structure.
        * tree-cfg.c (init_empty_tree_cfg): Break out from ...
        (build_tree_cfg): ... here.
        * tree-flow.h (init_empty_tree_cfg): Declare.

2005-05-12  Steven Bosscher <stevenb@suse.de>

        Fix PR tree-optimization/21520
        * tree-ssa-pre.c (phi_translate): Use fully_constant_expression
        to attempt to fold constants.

2005-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c: Declare the prototype of sh_adjust_unroll_max
        only when TARGET_ADJUST_UNROLL_MAX is defined.
        (general_movsrc_operand): Use the C style comment.
        (ua_offset): Use prototype.

2005-05-12  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-ssa-loop-im.c (struct mem_ref): Add field "next".
        (struct hmr_data, hoist_memory_reference, memref_del,
        struct fmrv_data): Removed.
        (hoist_memory_references, free_mem_ref, free_mem_refs): New functions.
        (gather_mem_refs, gather_mem_refs_stmt): Add new references to the
        list.
        (find_more_ref_vops): Traverse the list of memory references.
        (determine_lsm_loop): Work with the list of memory references instead
        of traversing the hashtable.

2005-05-12  Steven Bosscher  <stevenb@suse.de>
            Stuart Hastings <stuart@apple.com>
            Jan Hubicka  <jh@suse.cz>

        * except.c  (duplicate_eh_region_1, duplicate_eh_region_2,
        duplicate_eh_regions): New functions, based on old
        implementation removed with RTL inliner.
        (reachable_next_level): Modify behaviour pre-inline.
        * except.h (duplicate_eh_regions_map, duplicate_eh_regions):
        Declare.
        * function.h (struct function): Add after_inlining flag.
        * tree-optimize.c (tree_rest_of_compilation): Set it.
        * tree-eh.c (add_stmt_to_eh_region_fn): Initialize hashtable
        when needed.
        * tree-cfg.c (label_to_block_fn): Deal with cases where
        label was never insterted into code.

2005-05-12  Zack Weinberg  <zack@codesourcery.com>

        * doc/cpp.texi: Document that #sccs is a synonym for #ident.

2005-05-12  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/21532
        * tree-ssa-pre.c (create_expression_by_pieces): stmt
        needs to go onto the inserted_exprs list.

2005-05-12  Ian Lance Taylor  <ian@airs.com>

        * c-common.h (statement_code_p): Don't declare.
        (STATEMENT_CODE_P): Don't define.
        (INIT_STATEMENT_CODES): Don't define.
        * c-common.c (statement_code_p): Don't define.

2005-05-12  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.h: Remove dead code.
        * config/sparc/sparc.c (sparc_compute_frame_size): Use
        FIRST_PARM_OFFSET for the size of the register window area.
        (emit_save_regs): Rename into emit_save_or_restore_regs.
        Add 'action' parameter.  Use 4095 as upper bound for the offset.
        Pass 'action' to save_or_restore_regs.
        (emit_restore_regs): Delete.
        (sparc_expand_prologue): Call emit_save_or_restore_regs.
        (sparc_expand_epilogue): Likewise.
        * config/sparc/sparc.md (mode macro P): Move.
        (movdi_insn_sp32_v9, movdi_insn_sp32): Swap.
        (mov<V32:mode> expander): Move to the top of the V32 section.
        (movdf_insn_sp32_v9_no_fpu, movdf_insn_sp32_v9): Swap.
        (movtf_insn_sp64_hq, movtf_insn_sp64): Swap.
        (sibcall_epilogue): Move.

2005-05-12  Richard Earnshaw  <richard.earnshaw@arm.com>

        PR target/21501
        * arm.c (arm_gen_constant): Sign-extend intermediate values when
        synthesizing a constant of the difference of two immediates.

2005-05-12  Richard Earnshaw  <richard.earnshaw@arm.com>

        * arm/vfp.md (negsf2_vfp): Add alternative using integer registers.
        (negdf2_vfp): Likewise.  Convert to define_insn_and_split and split
        the alternatives using integer registers into the appropriate
        primitives.

2005-05-11 Kenneth Zadeck <zadeck@naturalbridge.com>

        * bitmap.c (bitmap_elmt_to_freelist, bitmap_element_allocate,
        bitmap_elt_clear_from, bitmap_clear): Changed freelist structure.
        * bitmap.h: Fixed comments.

2005-05-11  Richard Henderson  <rth@redhat.com>

        PR target/21412
        * config/ia64/ia64.c (TARGET_CANNOT_FORCE_CONST_MEM): New.
        (ia64_cannot_force_const_mem): New.
        (tls_symbolic_operand_type): New.
        (ia64_legitimate_constant_p): New.
        (ia64_expand_load_address): Return true on success.  Improve
        checks for when we should not split.
        (ia64_expand_tls_address): New addend operand.  Distribute it
        as appropriate to the tls_kind.  Delay referencing gp.
        (ia64_expand_move): Split symbolic addend as necessary.  Handle
        tls symbols with addends.
        * config/ia64/ia64-protos.h: Update.
        * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): False for r0,
        p0, f0, f1, and r13.
        (LEGITIMATE_CONSTANT_P): Move to ia64_legitimate_constant_p.
        * config/ia64/ia64.md (UNSPEC_DTPMOD): New.
        (symbolic_operand splitter): Pass everything through
        ia64_expand_load_address and FAIL or DONE as appropriate.
        (load_fptr): Only accept after reload.
        (load_fptr_internal1, gprel64_offset, load_gprel64, load_symptr_high,
        load_symptr_low, load_ltoff_dtpmod,
        (load_dtpmod): New.
        (load_dtprel): Only accept tls symbols.
        (load_dtprel64, load_dtprel22): Likewise.
        (load_tprel, load_tprel64, load_tprel22): Likewise.
        (load_dtprel_gd, load_ltoff_dtprel, load_tprel_ie): New.
        (add_dtprel): Only accept tls symbols.  Canonicalize PLUS.
        (add_dtprel14, add_dtprel22): Likewise.
        (add_tprel, add_tprel14, add_tprel22): Likewise.
        * config/ia64/predicates.md (small_addr_symbolic_operand): New.
        (any_offset_symbol_operand, aligned_offset_symbol_operand): New.
        (got_symbolic_operand): Check CONST offsets.
        (tls_symbolic_operand, ld_tls_symbolic_operand): New.
        (ie_tls_symbolic_operand, le_tls_symbolic_operand): New.
        (move_operand): Don't handle tls here.  Check CONST offsets.

2005-05-11  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/7000.md (rm7_impy_si_mult): Just match imul and imadd.
        Remove hilo_operand check.
        (rm7_impy_si_mul): Just match imul3.  Remove hilo_operand check.
        * config/mips/predicates.md (hilo_operand): Delete.

2005-05-11  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/sr71k.md, config/mips/7000.md: Reformat.

2005-05-11  Kazu Hirata  <kazu@cs.umass.edu>

        PR tree-optimizer/18472
        * tree-if-conv.c (tree_if_convert_stmt,
        if_convertible_modify_expr_p): Don't handle GOTO_EXPR.

2005-05-11  Jan Hubicka  <jh@suse.cz>

        * Makefile.in (tree-eh.o: Kill gt-tree-eh.h dependency.
        (GTFILES): add except.h.
        * except.c (eh_status): Add throw_stmt_table.
        (set_eh_throw_stmt_table, get_eh_throw_stmt_table): New functions.
        * except.h (add_stmt_to_eh_region_fn, remove_stmt_from_eh_region_fn,
        lookup_stmt_eh_region_fn): Declare.
        (throw_stmt_node): New structure.
        (set_eh_throw_stmt_table, get_eh_throw_stmt_table): New.
        * gengtype.c (open_base_files): Add except.h to inlines.
        * tree-eh.c (throw_stmt_node): Kill.
        (record_stmt_eh_region): Update.
        (add_stmt_to_eh_region_fn): Break out from ...
        (add_stmt_to_eh_region): ... here.
        (remove_stmt_from_eh_region_fn): Break out from ...
        (remove_stmt_from_eh_region): ... here.
        (lookup_stmt_eh_region_fn): Break out from ...
        (lookup_stmt_eh_region): ... here.
        (honor_protect_cleanup_actions): Use build_resx.
        (lower_try_finally_onedest): Likewise.
        (lower_try_finally_copy): Likewise.
        (lower_try_finally_switch): Likewise.
        (lower_eh_constructs): Update eh table construction.
        * tree.c (build_resx): New.
        * tree.h (build_resx): Declare.

2005-05-11  H.J. Lu  <hongjiu.lu@intel.com>

        * libgcov.c (gcov_exit): Set prefix_length to 0 if no relocation
        is needed.

2005-05-11  Kazu Hirata  <kazu@cs.umass.edu>

        * fold-const.c, libgcov.c: Fix comment typos.

        * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove
        redundant code.

2005-05-11  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
        * config/arm/arm.h (SUBTARGET_FRAME_POINTER_REQUIRED): Provide
        default definition.
        (FRAME_POINTER_REQUIRED): Use SUBTARGET_FRAME_POINTER_REQUIRED.

2005-05-11  Nathan Sidwell  <nathan@codesourcery.com>

        PR bootstrap/21481
        * crtstuff.c: Include auto-host.h again, for now.

2005-05-11  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/24k.md: Remove trailing whitespace.

2005-05-11  David Ung  <davidu@mips.com>

        * config/mips/mips.md (type): Add imul3.
        (length, hazard, may_clobber_hilo): Check for imul3.
        (mulsi3_mult3, muldi3_mult3, *muls, <su>mulsi3_highpart_mulhi_internal)
        (*<su>mulsi3_highpart_neg_mulhi_internal): Set attr to imul3.
        * config/mips/24k.md (r24k_int_mul3): Enable this reservation
        for a 3 operand mul and its bypasses.
        * config/mips/3000.md (r3k_imul): Add imul3 to reservations.
        * config/mips/4000.md (r4k_imul): Likewise.
        * config/mips/4100.md (r4100_imul_si, r4100_imul_di):  Likewise.
        * config/mips/4130.md (vr4130_class, vr4130_mulsi)
        (vr4130_muldi): Likewise.
        * config/mips/4300.md (r4300_imul_si, r4300_imul_di): Likewise.
        * config/mips/4600.md (r4600_imul, r4650_imul): Likewise.
        * config/mips/5000.md (r5k_imul_si, r5k_imul_di): Likewise.
        * config/mips/5400.md (ir_vr54_imul_si, ir_vr54_imul_di)
        (ir_vr54_imadd_si): Likewise.
        * config/mips/5500.md (ir_vr55_imul_si, ir_vr55_imul_di):  Likewise.
        * config/mips/7000.md (rm7_impy_si_mult, rm7_impy_si_mul)
        (rm7_impy_di): Likewise.
        * config/mips/9000.md (rm9k_mulsi, rm9k_muldi):  Likewise.
        * config/mips/generic.md (generic_imul): Likewise.
        * config/mips/sb1.md (ir_sb1_mulsi, ir_sb1_muldi): Likewise.
        * config/mips/sr71k.md (ir_sr70_imul_si, ir_sr70_imul_di):  Likewise.

2005-05-11  J"orn Rennecke <joern.rennecke@st.com>

        PR middle-end/20371:
        * tree.h (record_layout_info_s): New member prev_packed.
        * stor-layout.c (update_alignment_for_field): Fix comment about
        KNOWN_ALIGN.  For MS bitfields, if we start a new run, make sure
        we start it properly aligned.
        (place_field): At the beginning of a record, pass 0 as KNOWN_ALIGN
        to update_alignment_for_field, and recompute it afterwards using
        the alignment of the record.
        When a packed bitfield precedes an MS bitfield, don't add padding
        at the end of the packed bitfield on behalf of the base type of
        the packed bit field.
        Don't adjust rli->bitpos at the end
        of an MS bitfield run if we already adjusted bitpos/offset for an
        alignment as large or larger than the bitfield type size.
        Take possible record alignment > BIGGEST_ALIGNMENT into account
        when calculating actual_align.
        Only put packed buit fields into rli->prev_field if they end up
        suitably aligned.
        Also set rli->remaining_in_alignment when we re-set rli->prev_field.
        Update rli->remaining_in_alignment when we have already started a
        run of bit fields and we process a packed bit field.

2005-05-11  Sebastian Pop  <pop@cri.ensmp.fr>

        * tree-data-ref.c (find_data_references_in_loop): Give up when
        the body of the loop contains a CALL_EXPR or an ASM_EXPR: they
        may embed arbitrary side effects.
        Remove the assumption that GIMPLE form contains a single array
        access per statement.
        When the statement contains virtual operands, fail if it is not
        a MODIFY_EXPR or a CALL_EXPR.
        Return after the dont know node is inserted.

2005-05-11  Richard Earnshaw  <richard.earnshaw@arm.com>

        * arm.md (negsf2, negdf2): Permit these expands when compiling for VFP.

2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>

        PR middle-end/19807
        PR tree-optimization/19639
        * fold-const.c (try_move_mult_to_index): Handle INTEGER_CST
        and generic summands for char* as s * delta, too, folding &a[i]
        CODE x to &a[i CODE x/s].  Use tree_int_cst_equal
        for comparison of steps.  Convert types for index addition.
        (fold_binary): Adjust the callers to always dispatch to
        try_move_mult_to_index.
        * tree-ssa-propagate.c (set_rhs): Avoid setting rhs to
        expr with non-gimple ARRAY_REF offset.

2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>

        * fold-const.c (fold_indirect_ref_1): Avoid removing
        NOP_EXPRs with type qualifiers like const.

2005-05-11  Richard Henderson  <rth@redhat.com>

        PR c/21502
        * c-decl.c (finish_decl): Propagate the completed array type of
        a global variable into the binding.

2005-05-10  Matt Kraai  <kraai@ftbfs.org>

        * Makefile.in (gtype-desc.o, build/genautomata.o)
        (build/varray.o): Depend on $(VARRAY_H).

2005-05-10  Diego Novillo  <dnovillo@redhat.com>

        * tree-optimize.c (init_tree_optimization_passes): Re-organize
        optimization passes to do an initial batch of scalar cleanups.

2005-05-10  Ian Lance Taylor  <ian@airs.com>

        * read-rtl.c (struct macro_traverse_data): Define.
        (map_attr_string): New static function, broken out of
        apply_macro_to_string.
        (mode_attr_index, apply_mode_maps): New static functions.
        (apply_macro_to_string): Call map_attr_string.
        (apply_macro_to_rtx): Add mode_maps and infile parameters.  Change
        all callers.
        (apply_macro_traverse): Expect data to point to a struct
        macro_traverse_data.
        (read_rtx): Add mode_maps local variable.  Use mode_traverse_data
        to pass data through htab_traverse.
        (read_rtx_1): Add mode_maps parameter.  Change all callers.
        Handle mode names which are attribute strings.
        * doc/md.texi (Substitutions): Rename from String Substitutions.
        Change references.  Document using attributes as modes.

2005-05-10  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-cfg.c (tree_duplicate_sese_region): Update profile.
        * tree-optimize.c (init_tree_optimization_passes) Swap
        pass_ch and pass_profile.
        * tree-ssa-loop-ch.c (copy_loop_headers): Do not update profile
        here.  Remove rewrite_into_loop_closed_ssa call.

2005-05-10  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390.c: (s390_const_double_ok_for_constraint_p): New
        function.
        (legitimate_reload_constant_p): Add check for const double zero.
        * config/s390/s390.md: Add comment for constraint letter 'G'.
        ("*movdf_64", "*movdf_31", "movsf"): Add constraint and proper
        attributes for new case.
        * config/s390/s390.h: (CONST_DOUBLE_OK_FOR_CONSTRAINT_P): Define it as
        s390_const_double_ok_for_constraint_p.
        * config/s390/s390-protos.h (s390_const_double_ok_for_constraint_p):
        Add prototype.

2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>

        PR tree-optimization/21170
        * tree-ssa-dom.c, tree-ssa-threadupdate.c: Replace
        rewrite_ssa_into_ssa in comments with update_ssa.

2005-05-10  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-ssa-loop-im.c: Include hashtab.h.
        (struct mem_ref_loc): New.
        (struct mem_ref): Describe the set of references with the same
        shape.
        (max_stmt_uid, get_stmt_uid, record_mem_ref, free_mem_refs,
        maybe_queue_var, fem_single_reachable_address,
        for_each_memref, single_reachable_address,
        is_call_clobbered_ref, determine_lsm_reg): Removed.
        (record_mem_ref_loc, free_mem_ref_locs, determine_lsm_ref,
        hoist_memory_reference, memref_hash, memref_eq, memref_del,
        gather_mem_refs_stmt, gather_mem_refs, find_more_ref_vops):
        New functions.
        (rewrite_mem_refs, schedule_sm): Use mem_ref_loc list.
        (determine_lsm_loop): Rewritten.
        (determine_lsm): Do not set stmt uids.

2005-05-10  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390.md: Add comment lines for 'f' and 't' constraint
        letters.

2005-05-10  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390.md: ("anddi3","andsi3","andhi3","andqi3"): Merge.
        ("iordi3", "iorsi3", "iorhi3", "iorqi3"): Merge.
        ("xordi3", "xorsi3", "xorhi3", "xorqi3"): Merge.

2005-05-10  Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (dom_opt_finalize_block): Do not call
        thread_across_edge for any abnormal edges.

2005-05-10  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.c (ia64_expand_atomic_op): New.
        * config/ia64/ia64-protos.h: Declare it.
        * config/ia64/sync.md (I124MODE, FETCHOP, fetchop_name): New.
        (sync_add<I48MODE>, sync_old_add<I48MODE>): Remove.
        (sync_<FETCHOP><IMODE>, sync_nand<IMODE>): New.
        (sync_old_<FETCHOP><IMODE>, sync_old_nand<IMODE>): New.
        (sync_new_<FETCHOP><IMODE>, sync_new_nand<IMODE>): New.
        (cmpxchg_rel_<I124MODE>): Split from cmpxchg_acq_<IMODE>.  Zero
        extend result; use release semantics.
        (cmpxchg_rel_di): Rename from cmpxchg_acq_<IMODE>; use release.
        (sync_val_compare_and_swap_<IMODE>): Update to match.

2005-05-10  Richard Henderson  <rth@redhat.com>

        * optabs.c (expand_compare_and_swap_loop): Don't clobber old value
        before comparing it for success.

2005-05-10  Richard Henderson  <rth@redhat.com>

        * config/ia64/sync.md (sync_add<I48MODE>): Fix arguments for
        no return value pattern.

2005-05-10  Grigory Zagorodnev  <grigory.zagorodnev@intel.com>
            H.J. Lu  <hongjiu.lu@intel.com>

        * libgcov.c (create_file_directory): New function. Create
        directory for the given file name.
        (gcov_max_filename): New static var. Keeps size of the longest
        file name.
        (gcov_exit): Always try to create directory for output
        file. Relocate each filename basing on environment vars.
        (__gcov_init): Remember the longest file name.
        * tsystem.h: include filenames.h to get IS_DIR_SEPARATOR
        * doc/gcov.texi (Cross-profiling): New node documenting
        cross-profiling management.
        * doc/invoke.texi (-fprofile-arcs): Add xref to cross-profiling.

2005-05-10  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (mem_min_alignment): Do not rely
        on MEM_ALIGN if TARGET_UNALIGNED_DOUBLES.

2005-05-10  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Rearrange special
        case code to avoid one move instruction.
        (__umodsi3, __modsi3): Merge duplicated code sequences.

2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mips/24k.md, config/sh/divtab.c, config/sh/sh.c,
        config/sh/sh.md, config/sh/superh.h: Fix comment typos.
        * doc/invoke.texi: Fix typos.

        * tree-data-ref.c (analyze_array_indexes, analyze_array,
        init_data_ref, access_functions_are_affine_or_constant_p,
        free_data_refs): Use VEC instead of VARRAY.
        * tree-data-ref.h (data_reference): Change the type of
        access_fns to VEC(tree,gc)*.
        (DR_ACCESS_FN, DR_NUM_DIMENSIONS): Use VEC instead of VARRAY.

2005-05-10  Gabor Loki <loki@gcc.gnu.org>

        PR c/17913
        * c-typeck.c (build_conditional_expr): Remove reducing cond_expr.
        * fold-const.c (fold): Expand the condition of reducing cond_expr.
        (contains_label_1, contains_label_p): New functions for checking
        labels in a sub-tree.

2005-05-10  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/21342
        * c-decl.c (pushdecl): When there is a declaration in the current
        scope and the declarations are external linkage, check for
        compatibility with the type in the external scope and update the
        type in the external scope with the composite type information.
        Do not form a composite type of the new type and the visible type
        if they are incompatible.

2005-05-10  Nathan Sidwell  <nathan@codesourcery.com>

        * crtstuff.c: Revert part of 2005-05-08 Change.
        (IN_LIBGCC2): Define.

2005-05-10  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (fp_sethi_p): Test !SPARC_SIMM13_P and
        remove redundant test.
        (fp_mov_p): Accept 0.
        (fp_high_losum_p): Remove redundant test.
        * config/sparc/predicates.md (const_high_operand): Explicitly test
        (not small_int_operand).
        (fp_const_high_losum_operand): New.
        * config/sparc/sparc.md (movsi_insn): Do not emit 'clr'.  Reorder.
        (movdi_insn_sp32_v9): Use canonical predicates.
        (movdi_insn_sp32): Test !TARGET_V9 instead of !TARGET_ARCH64.
        (movdi_insn_sp64_novis): Delete.
        (movdi_insn_sp64_vis): Rename into movdi_insn_sp64.
        (movsf_insn_novis): Delete.
        (movsf_insn_vis): Rename into movsf_insn.
        (movsf_no_f_insn): Rename into movsf_insn_no_fpu.
        (movsf_lo_sum): Use fp_const_high_losum_operand.
        (movsf_high): Likewise.
        (movsf_high_losum splitter): Likewise.
        (mov<V32:mode> expander): Use register_or_zero_operand.
        (mov<V64:mode> expander): Likewise.
        (movdf_insn_sp32): Use register_or_zero_operand.
        (movdf_no_e_insn_sp32): Use register_or_zero_operand.
        Rename into movdf_insn_sp32_no_fpu.
        (movdf_no_e_insn_v9_sp32): Use register_or_zero_operand.
        Rename into movdf_insn_sp32_v9_no_fpu.
        (movdf_insn_v9only_novis): Delete.
        (movdf_insn_v9only_vis): Rename into movdf_insn_sp32_v9.
        (movdf_insn_sp64_novis): Delete.
        (movdf_insn_sp64_vis): Rename into movdf_insn_sp64.
        (movdf_no_e_insn_sp64): Use register_or_zero_operand.
        Rename into movdf_insn_sp64_no_fpu.
        (movtf expander): Use register_or_zero_operand.
        (movtf_insn_sp32): Delete.
        (movtf_insn_vis_sp32): Use register_or_zero_operand.
        Rename into movtf_insn_sp32.
        (movtf_no_e_insn_sp32): Use register_or_zero_operand.
        Rename into movtf_insn_sp32_no_fpu.
        (movtf_insn_hq_sp64): Delete.
        (movtf_insn_hq_vis_sp64): Use register_or_zero_operand.
        Rename into movtf_insn_sp64_hq.
        (movtf_insn_sp64): Delete.
        (movtf_insn_vis_sp64): Use register_or_zero_operand.
        Rename into movtf_insn_sp64.
        (movtf_no_e_insn_sp64): Use register_or_zero_operand.
        Rename into movtf_insn_sp64_no_fpu.

2005-05-10  Nathan Sidwell  <nathan@codesourcery.com>

        * config/stormy16/stormy16.c (xstormy16_emit_cbranch): Use
        gcc_assert and gcc_unreachable as appropriate.
        (xstormy16_split_cbranch, xstormy16_output_cbranch_hi,
        xstormy16_output_cbranch_si, xstormy16_split_move,
        xstormy16_initial_elimination_offset,
        xstormy16_encode_section_info, xstormy16_print_operand_address,
        xstormy16_expand_call, xstormy16_expand_arith,
        xstormy16_output_shift, xstormy16_init_builtins): Likewise.

2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-outof-ssa.c (_elim_graph): Change the type of nodes and
        const_copies to VEC(tree,heap)*.
        (new_elim_graph, delete_elim_graph, elim_graph_size,
        elim_graph_add_node, eliminate_build, eliminate_phi): Use VEC
        instead of VARRAY.

2005-05-10  Joseph S. Myers  <joseph@codesourcery.com>

        PR other/21052
        * doc/extend.texi (Type Attributes): Correct example syntax.

2005-05-09  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/21160
        * doc/invoke.texi (-Wuninitialized): Update documentation.

2005-05-09  Richard Earnshaw  <richard.earnshaw@arm.com>

        * arm.c (const_ok_for_arm): Use a faster algorithm.

2005-05-09  David Edelsohn  <edelsohn@gnu.org>

        PR target/21477
        * config/rs6000/rs6000.md (add_op2): New.
        (add<mode>3): Use it.

2005-05-09  Richard Earnshaw  <richard.earnshaw@arm.com>

        * arm.c (arm_gen_constant): Add new heuristic for generating
        constant integers that can be expressed as the difference of two
        valid immediates.

2005-05-09  Roger Sayle  <roger@eyesopen.com>

        * c-tree.h (parser_build_unary_op): New prototype.
        * c-typeck.c (parser_build_unary_op): New function to construct
        a unary operation in the C parser.
        * c-parser.c (c_parser_unary_expression):  Use the new function
        parser_build_unary_op when appropriate.

2005-05-09  Mark Mitchell  <mark@codesourcery.com>

        PR 18655
        * dwarf2out.c (output_call_frame_info): Use DWARF2_FRAME_REG_OUT
        before outputting DWARF_FRAME_RETURN_COLUMN.

2005-05-09  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390.c: (s390_branch_condition_mask,
        s390_branch_condition_mnemonic, s390_extra_constraint_str,
        s390_const_ok_for_constraint_p, s390_expand_plus_operand,
        legitimize_pic_address, s390_emit_tls_call_insn,
        legitimize_tls_address, legitimize_tls_address,
        s390_expand_addcc, print_shift_count_operand, print_operand,
        addr_generation_dependency_p, annotate_constant_pool_refs,
        s390_split_branches, find_constant_pool_ref,
        replace_constant_pool_ref, s390_add_constant, s390_find_constant,
        s390_find_execute, s390_mainpool_start, s390_chunkify_start,
        s390_output_pool_entry, s390_function_value,
        s390_call_saved_register_used, s390_emit_call): Replace
        conditional aborts by gcc_assert and unconditional by gcc_unreachable.
        (s390_select_ccmode, s390_match_ccmode_set, s390_extract_part,
        s390_cannot_force_const_mem, s390_output_dwarf_dtprel,
        get_some_local_dynamic_name, s390_function_arg_size,
        s390_function_arg_advance, s390_function_arg,
        s390_expand_builtin, s390_gen_rtx_const_DI): Replace abort in
        default case by gcc_unreachable.
        * config/s390/s390.md: ("*cjump_31", "*icjump_31", "*jump31"): Replace
        conditional abort by gcc_assert.
        ("doloop_si31"): Replace abort in last else by gcc_unreachable.
        ("main_pool", "pool"): Replace unconditional abort by gcc_unreachable.

2005-05-09  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390.c: (s390_decompose_address,
        tls_symbolic_operand, legitimate_pic_operand_p,
        legitimate_constant_p, legitimate_reload_constant_p,
        s390_expand_plus_operand, legitimate_address_p,
        legitimate_la_operand_p, ): Remove 'register' from signature.
        (symbolic_reference_mentioned_p,
        tls_symbolic_reference_mentioned_p): Remove 'register' from local
        variable declarations.
        (legitimize_address): Remove 'register' from
        signature and local variable declarations.

2005-05-09  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390-protos.h: (s390_match_ccmode,
        s390_match_ccmode_set, reg_used_in_mem_p,
        symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p,
        legitimate_la_operand_p, preferred_la_operand_p,
        s390_short_displacement, addr_generation_dependency_p,
        legitimate_reload_constant_p, legitimate_address_p): Change return type
        into 'bool'.
        (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'.
        * config/s390/s390.c: (s390_match_ccmode,
        symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p,
        legitimate_reload_constant_p): Change return type into 'bool'.
        (preferred_la_operand_p,legitimate_la_operand_p, legitimate_address_p):
        Likewise.  Additionally adapted comment.
        (s390_extra_constraint_p): Change Comment to reflect 'int' return type.
        (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'.
        (s390_decompose_address): Change the type of the internal flags
        "pointer", "base_ptr", "indx_ptr", and the return value into 'bool'.
        (struct s390_address): Change type of "pointer" into bool.
        * config/s390/s390.md: ("*tmdi_reg", "*tmsi_reg", "tm<mode>_full"):
        Adapt calls for 's390_tm_ccmode' to the new signature.

2005-05-09  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390.c: (s390_match_ccmode_set,
        s390_branch_condition_mnemonic, s390_short_displacement,
        s390_decompose_address, get_thread_pointer, legitimize_tls_address,
        print_shift_count_operand, get_some_local_dynamic_name,
        get_some_local_dynamic_name_1, reg_used_in_mem_p,
        addr_generation_dependency_p, s390_split_branches,
        annotate_constant_pool_refs, find_constant_pool_ref,
        replace_constant_pool_ref, find_ltrel_base, replace_ltrel_base,
        s390_optimize_prologue, find_unused_clobbered_reg, s390_frame_area,
        s390_register_info, s390_frame_info, s390_init_frame_layout,
        s390_update_frame_layout, save_fpr, restore_fpr, save_gprs,
        restore_gprs, s390_function_arg_size, s390_function_arg_float,
        s390_init_machine_status, s390_assemble_integer, s390_handle_option,
        s390_encode_section_info, s390_cannot_force_const_mem,
        s390_delegitimize_address, s390_return_in_memory, s390_init_builtins,
        s390_expand_builtin, s390_output_mi_thunk, s390_safe_attr_type,
        s390_adjust_priority, s390_issue_rate,
        s390_first_cycle_multipass_dfa_lookahead, s390_cannot_copy_insn_p,
        s390_rtx_costs, s390_address_cost, s390_reorg, s390_valid_pointer_mode,
        s390_build_builtin_va_list, s390_gimplify_va_arg,
        s390_function_ok_for_sibcall, s390_call_saved_register_used,
        s390_pass_by_reference, s390_fixed_condition_code_regs,
        s390_cc_modes_compatible s390_mainpool_start,, s390_mainpool_finish,
        s390_mainpool_cancel, s390_chunkify_start, s390_chunkify_finish,
        s390_chunkify_cancel, s390_start_pool, s390_end_pool,
        s390_add_pool_insn, s390_find_pool, s390_add_constant,
        s390_find_constant, s390_add_execute, s390_find_execute,
        s390_execute_label, s390_execute_target, s390_dump_pool,
        s390_dump_execute, s390_alloc_pool, s390_free_pool): Remove prototypes.
        Move target macro definitions to the end of the file.  Move several
        functions within the file to assure correct compiling.

2005-05-09  Steven Bosscher  <stevenb@suse.de>

        * calls.c (purge_reg_equiv_notes): Remove, fold into...
        (fixup_tail_calls): ...here.  Only look at insns between the
        start of the function and the FUNCTION_BEG insn note.

        * gcse.c (one_cprop_pass): Fix typos in dumps.

        * tree-ssa-operands.h (FOR_EACH_PHI_ARG): Fix typos.

2005-05-09  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390.h: Move xxx_REGNUM definitions to s390.md.
        * config/s390/s390.md: ("SIBCALL_REGNUM", "BASE_REGNUM",
        "RETURN_REGNUM", "CC_REGNUM", "TP_REGNUM"): New constants.
        Replace every occurrence of '(reg:<MODE> 33)' by '(reg:<MODE>
        CC_REGNUM)'.
        ("get_tp_64", "get_tp_31", "set_tp_64", "set_tp_31"): Replace
        '(reg:<MODE> 36)' by '(reg:<MODE> TP_REGNUM)'.
        ("*sibcall_br", "*sibcall_value_br"): Replace '(reg:DI 1)' by '(reg:DI
        REG_SC)'.

2005-05-09  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390.md: ("gf") New mode attribute.
        ("fixuns_truncdfdi2", "fixuns_truncdfsi2", "fixuns_truncsfdi2",
        "fixuns_truncsfsi2"): Merge.
        ("fix_truncdfdi2", "fix_truncsfdi2"): Merge.
        ("fix_truncdfdi2_ieee", "fix_truncdfsi2_ieee", "fix_truncsfdi2_ieee",
        "fix_truncsfsi2_ieee"): Merge.

2005-05-09  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390.md: ("FPR") New mode macro.
        ("de", "dee"): New mode attributes.
        ("cmpdf", "cmpsf"): Merge.
        ("*cmpdf_ccs_0", "*cmpsf_ccs_0"): Merge.
        ("*cmpdf_ccs_0_ibm", "*cmpdf_ccs_0_ibm"): Merge.
        ("*cmpdf_ccs", "*cmpsf_ccs"): Merge.
        ("*cmpdf_ccs_ibm", "*cmpsf_ccs_ibm"): Merge.
        ("floatdidf2", "floatdisf2"): Merge.
        ("adddf3", "addsf3"): Merge.
        ("*adddf3", "*addsf3"): Merge.
        ("*adddf3_cc", "*addsf3_cc"): Merge.
        ("*adddf3_cconly", "*addsf3_cconly"): Merge.
        ("*adddf3_ibm", "*addsf3_ibm"): Merge.
        ("subdf3", "subsf3"): Merge.
        ("*subdf3", "*subsf3"): Merge.
        ("*subdf3_cc", "*subsf3_cc"): Merge.
        ("*subdf3_cconly", "*subsf3_cconly"): Merge.
        ("*subdf3_ibm", "*subsf3_ibm"): Merge.
        ("muldf3", "mulsf3"): Merge.
        ("*muldf3", "*mulsf3" "): Merge.
        ("*muldf3_ibm", "*mulsf3_ibm"): Merge.
        ("*fmadddf", "*fmaddsf"): Merge.
        ("*fmsubdf", "*fmsubsf"): Merge.
        ("divdf3", "divsf3"): Merge.
        ("*divdf3", "*divsf3"): Merge.
        ("*divdf3_ibm", "*divsf3_ibm"): Merge.
        ("negdf2", "negsf2"): Merge.
        ("*negdf2_cc", "*negsf2_cc"): Merge.
        ("*negdf2_cconly", "*negsf2_cconly"): Merge.
        ("*negdf2", "*negsf2"): Merge.
        ("*negdf2_ibm", "*negsf2_ibm"): Merge.
        ("absdf2", "abssf2"): Merge.
        ("*absdf2_cc", "*abssf2_cc"): Merge.
        ("*absdf2_cconly", "*abssf2_cconly"): Merge.
        ("*absdf2", "*abssf2"): Merge.
        ("*absdf2_ibm", "*abssf2_ibm"): Merge.
        ("*negabsdf2_cc", "*negabssf2_cc"): Merge.
        ("*negabsdf2_cconly", "*negabssf2_cconly"): Merge.
        ("*negabsdf2", "*negabssf2"): Merge.
        ("sqrtdf2", "sqrtsf2"): Merge.

2005-05-09  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390.c: (s390_adjust_priority): Adapt to changed
        attribute names.
        * config/s390/2084.md: ("x_fsimpd", "x_fsimps", "x_fdivd", "x_fdivs",
        "x_floadd", "x_floads", "x_fstored", "x_fstores"): Rename to
        ("x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
        "x_floadsf", "x_fstoredf", "x_fstoresf") and replace 'type'
        attribute names.
        * config/s390/s390.md: ("type"): Rename "fsimpd, fsimps, floadd, floads,
        fstored, fstores, fmuld, fmuls, fdivd, fdivs, fsqrtd, fsqrts" to
        "fsimpdf, fsimpsf, floaddf, floadsf, fstoredf, fstoresf, fmuldf,
        fmulsf, fdivdf, fdivsf, fsqrtdf, fsqrtsf".
        ("*cmpdf_ccs_0", "*cmpdf_css_0_ibm", "*cmpdf_ccs",
        "*cmpdf_ccs_ibm", "*cmpsf_ccs_0", "*cmpsf_css_0_ibm",
        "*cmpsf_ccs", "*cmpsf_ccs_ibm", "*movdi_64", "*movdi_31",
        "*movsi_zarch", "*movsi_esa", "*movdf_64", "*movdf_31", "movsf",
        "*muldf3", "*muldf3_ibm", "*fmadddf", "*fmsubdf", "*mulsf3",
        "mulsf3_ibm", "*fmaddsf", "fmsubsf", "*divdf3", "*divdf3_ibm",
        "*negdf2_cc", "*negdf2_cconly", "*negdf2", "*negdf2_ibm",
        "*negsf2_cc", "*negsf2_cconly", "*negsf2", "*absdf2_cc",
        "*absdf2_cconly", "*absdf2", "*absdf2_ibm", "*abssf2_cc",
        "*abssf2_cconly", "*abssf2", "*abssf2_ibm", "*negabsdf2_cc",
        "*negabsdf2_cconly", "*negabsdf2", "*negabssf2_cc",
        "*negabssf2_cconly", "*negabssf2", "sqrtdf2", "sqrtsf2"): Rename
        'type' value.
        ("*divsf3"): Additionally rename second pattern to
        "*divsf3_ibm".
        ("truncdfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
        "*adddf3", "*adddf3_cc", "*adddf3_cconly", "*adddf3_ibm",
        "*addsf3", "*addsf3_cc", "*addsf3_cconly", "*subdf3",
        "subdf3_cc", "*subdf3_cconly", "*subdf3_ibm", "*subsf3",
        "subsf3_cc", "*subsf3_cconly", "*subsf3_ibm"): Merge identical
        'type values' and rename 'type' value.
        ("*addsf3"): Additionally rename second pattern to
        "*addsf3_ibm".

2005-05-09  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390.md: ("SHIFT"): New mode macro.
        ("lr", "shift"): New mode attributes.
        ("ashldi3", "lshrdi3"): Merge.
        ("*ashldi3_31", "*lshrdi3"_31): Merge.
        ("*ashldi3_64", "*lshrdi3"_64): Merge.
        ("ashlsi3", "lshrsi3"): Merge.

2005-05-09  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390.md: ("DSI", "SCOND"): New mode
        macros.
        ("E", "g"): New mode attributes.
        ("*adddi3_alc_cc", "*addsi3_alc_cc"): Merge.
        ("*adddi3_alc", "*addsi3_alc"): Merge.
        ("*subdi3_slb_cc", "*subsi3_slb_cc"): Merge.
        ("*subdi3_slb", "*subsi3_slb"): Merge.
        ("adddicc", "addsicc"): Merge.
        ("*sconddi", "*scondsi"): Merge.
        ("*sconddi_neg", "*scondsi_neg"): Merge.
        ("sltu", "sgtu", "sleu", "sgeu"): Merge.
        ("negdi2", "negsi2"): Extract expander pattern from
        "negsi2" and merge with "negdi2".
        ("*negdi2"): Merge with instruction pattern of "negsi2".
        ("*negdi2_cc", "*negsi2_cc"): Merge.
        ("*negdi2_cconly", "*negsi2_cconly"): Merge.
        ("rotldi3", "rotlsi3"): Merge.

2005-05-09  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390.md: ("hc"): New mode attribute.
        ("extendhidi2", "extendqidi2"): Merge.
        ("*extendhidi2", "*extendqidi2"): Merge.
        ("extendhisi2", "extendqisi2"): Merge.
        ("zero_extendhidi2", "zero_extendqidi2"): Merge.
        ("*zero_extendhidi2", "*zero_extendqidi2"): Merge.
        Merged 2 define_split.
        ("*zero_extendhisi2", "*zero_extendqisi2"): Merge.
        ("*zero_extendhisi2_64", "*zero_extendqisi2_64"): Merge.

2005-05-09  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390.md: ("COMPARE"): New mode macro.
        ("beq", "bne", "bgt", "bgtu", "blt", "bltu", "bge", "bgeu",
        "ble", "bleu", "bunordered", "bordered", "buneq", "bunlt",
        "bungt", "bunle", "bunge", "bltgt"): Merge.

2005-05-09  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390.md: ("INT"): New mode macro.
        ("one_cmpldi2", "one_cmplsi2", "one_cmplhi2", "one_cmplqi2"):
        Merge.

2005-05-09  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390.md: ("GPR", "P"): New mode macros.
        ("cmpdi", "cmpsi"): Merge.
        ("strlendi", "strlensi"): Merge.
        ("*strlendi", "*strlensi"): Merge.
        ("movmemdi", "movmemsi"): Merge.
        ("clrmemdi", "clrmemsi"): Merge.

2005-05-09  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390.md: ("HQI"): New mode macro.
        ("icm_lo", "icm_hi", "max_uint"): New mode attributes.
        ("*tmhi_full", "*tmqi_full"): Merge.
        ("*tsthiCCT", "*tstqiCCT"): Merge.
        ("*tsthi", "*tstqi"): Merge.
        ("*tsthi_cconly", "tstqi_cconly"): Merge.
        ("*sethighhisi", "*sethighqisi"): Merge.

2005-05-09  Kazu Hirata  <kazu@cs.umass.edu>

        * crtstuff.c, integrate.h, tree-scalar-evolution.h,
        config/alpha/unicosmk.h, config/arc/arc.md,
        config/arm/bpabi.h, config/arm/coff.h, config/arm/elf.h,
        config/arm/ieee754-df.S, config/arm/ieee754-sf.S,
        config/arm/netbsd.h, config/arm/pe.c, config/arm/pe.h,
        config/arm/semi.h, config/arm/uclinux-elf.h,
        config/arm/wince-pe.h, config/fr30/fr30.c,
        config/rs6000/altivec.h: Update copyright.

2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>

        * config/pdp11/pdp11.c (pdp11_output_function_prologue): Use
        gcc_assert and gcc_unreachable as appropriate.
        (pdp11_output_function_epilogue, output_move_double,
        output_move_quad, print_operand_address, output_jump,
        output_addr_const_pdp11): Likewise.
        * config/pdp11/pdp11.h (FUNCTION_PROFILER,
        ASM_OUTPUT_ALIGN): Likewise.
        * config/pdp11/pdp11.md: Likewise.
        (extendhisi2, subhi3, subqi3): Likewise.

2005-05-09  David Edelsohn  <edelsohn@gnu.org>

        PR middle-end/21237
        * dojump.c (do_jump, MINUS_EXPR): Build NE_EXPR and fall through
        to NE_EXPR case.

2005-05-09  Kazu Hirata  <kazu@cs.umass.edu>

        * config/ia64/ia64.c: Fix a comment typo.

2005-05-09  Richard Earnshaw  <rearnsha@arm.com>

        PR target/21397
        * arm.c (ARM_OPT_SET_CPU, ARM_OPT_SET_ARCH, ARM_OPT_SET_TUNE): Define.
        (arm_override_options): Use them instead of manifest constants.  Don't
        allow -march to override the -mtune setting.

2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>

        * config/iq2000/iq2000.c (abort_with_insn): Use fancy_abort.
        (gen_int_relational): Use gcc_unreachable and gcc_assert as necessary.
        (function_arg_advance, function_arg, save_restore_insns,
        iq2000_expand_prologue, iq2000_output_conditional_branch,
        expand_one_builtin, print_operand):
        * config/iq2000/iq2000.md (tablejump): Likewise.

2005-05-09  David Ung  <davidu@mips.com>

        * config/mips/mips.h (processor_type): Add names for the 24K.
        * config/mips/mips.c (mips_cpu_info_table): Add names for the 24K
        processor family.
        * config/mips/mips.md (cnv_mode): New attribute for recording the
        conversion types of float convert insns.
        (cpu): Add 24k and 24kx.
        (include): Include 24k.md file.
        (truncdfsf2, extendsfdf2, fix_truncdfsi2_insn, fix_truncdfsi2_macro)
        (fix_truncdfdi2, fix_truncsfdi2, floatsidf2, floatdidf2, floatsisf2)
        (floatdisf2): Setup cnv_mode.
        (fix_truncsfsi2_insn, fix_truncsfsi2_macro): Changed mode to SF and
        setup cnv_mode.
        * config/mips/24k.md: New file, contains 24k DFA pipeline
        description.

2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>

        * config/sh/sh.c (print_operand_address): Use gcc_assert and
        gcc_unreachable as appropriate.
        (print_operand, prepare_move_operands, prepare_scc_operands,
        output_movedouble, output_branch, shift_insns_rtx, gen_shifty_op,
        gen_shl_and, shl_sext_kind, gen_datalabel_ref, dump_table,
        fixup_mova, gen_far_branch, sh_reorg, split_branches,
        final_prescan_insn, output_stack_adjust, sh_expand_epilogue,
        sh_set_return_address, sh_setup_incoming_varargs,
        initial_elimination_offset, sh_pch_valid_p, get_free_reg,
        sh_expand_builtin, sh_output_mi_thunk, extract_sfunc_addr,
        check_use_sfunc_addr): Likewise.
        * config/sh/netbsd-elf.h (FUNCTION_PROFILER): Likewise.
        * config/sh/sh.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.
        * config/sh/symbian.c (sh_symbian_mark_dllexport,
        sh_symbian_mark_dllimport): Likewise.
        * config/sh/sh.md: Likewise.
        (movdicc, call_pop, call_value_pop, casesi_worker_1,
        casesi_worker_2, casesi_shift_media, casesi_load_media,
        return_media): Likewise.

2005-05-08  Roger Sayle  <roger@eyesopen.com>

        PR inline-asm/8788
        * stmt.c (expand_asm_operands): Avoid calling force_reg on BLKmode
        operands.

2005-05-08  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (adjust_address): Fix typo last change.

2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.h (REG_VALID_P): A regno must be >= 0
        and -1 can happen in reg_renumber when no hard register is assigned.

2005-05-08  Steven Bosscher  <stevenb@suse.de>
            Kazu Hirata  <kazu@cs.umass.edu>

        PR tree-optimization/14841, tree-optimization/15838
        * tree-ssa-ccp.c (fold_const_aggregate_ref): New.
        (evaluate_stmt): Call it.

2005-05-08  Jakub Jelinek  <jakub@redhat.com>

        * config/ia64/ia64.c (ia64_override_options): Don't set
        ia64_flag_var_tracking and clear flag_var_tracking here...
        (ia64_file_start): ... but here.

2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>

        * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use gcc_assert
        and gcc_unreachable as appropriate.
        (expand_prologue, expand_epilogue, m68hc11_gen_lowpart,
        m68hc11_gen_highpart, print_operand, print_operand_address,
        m68hc11_expand_compare, m68hc11_expand_compare_and_branch,
        m68hc11_gen_movhi): Likewise.
        * config/m68hc11/m68hc11.h (HARD_X_REGNUM): Reword comment.
        * config/m68hc11/m68hc11.md: Reword comment.

2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>

        PR target/21281
        * config/m68hc11/predicates.md (splitable_operand): An immediate is
        allowed.

2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/predicates.md (reg_or_some_mem_operand): Do not allow
        the 68HC12 address indirect addressing mode as it is not supported by
        bset and bclr.
        * config/m68hc11/m68hc11-protos.h
        (m68hc11_valid_addressing_p): Declare.
        (m68hc11_add_mode): Declare.
        * config/m68hc11/m68hc11.c (m68hc11_valid_addressing_p): Rename from
        register_indirect_p and export it.
        (m68hc11_z_replacement): Use emit_insn_after when adding the save Z
        instruction so that it is part of the good BB.
        (m68hc11_gen_movhi): Fix invalid generation of indexed indirect
        addressing with movw.
        (m68hc11_gen_movqi): Use pula and pulb instead of lda and ldb for
        68HC12.
        * config/m68hc11/m68hc11.h (ADDR_STRICT, ADDR_INCDEC, ADDR_INDEXED,
        ADDR_OFFSET, ADDR_INDIRECT, ADDR__CONST): Moved from m68hc11.c.
        * config/m68hc11/m68hc11.md ("movhi_const0"): Use this pattern only
        for 68HC11.
        ("*movhi_68hc12"): Handle movhi_const0.
        ("*subhi3", "subqi3"): Use general_operand for operand 1.
        ("*subhi3_zext"): Likewise.

2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>

        PR target/19051
        * config/m68hc11/m68hc11.md ("mulqi3"): Use general_operand for
        operand 1 and fix constraints.
        ("mulqihi3"): Use general_operand for operand 2.

2005-05-08  Julian Brown  <julian@codesourcery.com>
            H.J. Lu  <hongjiu.lu@intel.com>
            Paul Brook  <paul@codesourcery.com>

        * configure.ac: Set ld_vers_major, ld_vers_minor and ld_vers_patch for
        GNU linker. Support linker version x.x.x.x.x. Require GNU linker
        20050308/2.16.0 or newer for comdat group.
        * configure: Regenerated.
        * config.in: Regenerated.
        * varasm.c (default_function_rodata_section): Put .rodata section in
        COMDAT group when necessary.
        (default_elf_asm_named_section): Rename HAVE_GAS_COMDAT_GROUP to
        HAVE_COMDAT_GROUP.
        (default_unique_section_1): Don't use .gnu.linkonce when COMDAT is
        available.

2005-05-08  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-dfa.c (referenced_vars, add_referenced_var): Use VEC
        instead of VARRAY.
        * tree-flow.h (num_referenced_var, referenced_var): Likewise.
        * tree-into-ssa.c (mark_def_site_blocks): Likewise.
        * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Likewise.
        * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.

2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>

        PR target/16925
        * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Handle split of
        64-bit constants on 64-bit hosts.
        (m68hc11_split_logical): Simplify.
        (m68hc11_split_move): Likewise.

2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
            Paolo Bonzini  <bonzini@gnu.org>

        * Makefile.in (cs-tconfig.h): Pass USED_FOR_TARGET to mkconfig.sh
        * aclocal.m4 (GCC_TARGET_TEMPLATE, AH_TEMPLATE): New.
        * configure.ac (enable_checking): Fix typos in runtime_checking.
        (ENABLE_RUNTIME_CHECKING): Mark as target template.
        (xm_file): Prepend auto-host.h
        (HAVE_GAS_HIDDEN, HAVE_LD_EH_FRAME_HDR): Mark as target template.
        * mkconfig.sh: Do not automatically define USED_FOR_TARGET in
        tconfig.h.
        * crtstuff.c: Do not include auto-host.h.
        (IN_LIBGCC2): Do not define.
        * gcov-io.h: Include tconfig.h, not auto-host.h.
        * libgcc2.c: Do not include auto-host.h.
        (abort): Do not undefine.
        * libgcov.c: Remove unneeded comment about config.h.
        * unwind-dw2-fde-glibc.c: Do not inlude auto-host.h.
        * config.in, configure: Regenerated.

2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
            Falk Hueffner  <falk@debian.org>

        * config/alpha/alpha.c (tls_symbolic_operand_1): Use gcc_assert
        and gcc_unreachable as appropriate.
        (get_aligned_mem, get_unaligned_address,
        alpha_emit_set_long_const, alpha_emit_conditional_branch,
        alpha_emit_setcc, alpha_emit_conditional_move,
        alpha_lookup_xfloating_lib_func, alpha_compute_xfloating_mode_arg,
        alpha_emit_xfloating_libcall, alpha_split_tfmode_pair,
        alpha_expand_unaligned_load, alpha_expand_block_move,
        alpha_expand_zap_mask, get_trap_mode_suffix,
        get_round_mode_suffix, get_some_local_dynamic_name,
        print_operand_address, function_arg, alpha_return_in_memory,
        function_value, alpha_expand_builtin,
        alpha_initial_elimination_offset, alpha_expand_epilogue,
        summarize_insn, alpha_handle_trap_shadows, alphaev5_insn_pipe,
        alphaev5_next_group, alpha_align_insns,
        unicosmk_initial_elimination_offset, unicosmk_unique_section,
        unicosmk_ssib_name): Likewise.
        * config/alpha/alpha.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
        * config/alpha/unicosmk.h (TRAMPOLINE_TEMPLATE,
        ASM_OUTPUT_ADDR_DIFF_ELT, ASM_OUTPUT_ADDR_DIFF_VEC): Likewise.
        * config/alpha/vms.h (INITIAL_ELIMINATION_OFFSET,
        ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
        * config/alpha/alpha.md (*divmodsi_internal_er,
        *divmoddi_internal_er, ashldi3, *insxl, sibcall, call_osf,
        call_nt, call_umk, call_vms, call_value, sibcall_value,
        call_value_osf, call_value_nt, call_value_vms, call_value_umk,
        *call_vms_1, *movmemdi_1, *clrmemdi_1, *call_value_vms_1): Likewise.
        * config/alpha/predicates.md (input_operand): Likewise.

2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>

        * config/frv/frv.c (frv_default_flags_for_cpu): Use gcc_assert and
        gcc_unreachable, as appropriate.
        (frv_function_prologue, frv_alloc_temp_reg,
        frv_initial_elimination_offset, frv_expand_block_move,
        frv_expand_block_clear, frv_print_operand_jump_hint,
        frv_legitimize_tls_address, unspec_got_name, frv_emit_move,
        frv_emit_movsi, frv_split_cond_move, frv_split_minmax,
        frv_ifcvt_modify_insn, frv_ifcvt_modify_final,
        frv_adjust_field_align, frv_insn_unit, frv_cond_flags,
        frv_sort_insn_group, frv_reorder_packet, frv_matching_accg_mode,
        frv_in_small_data_p, frv_asm_out_constructor,
        frv_asm_out_destructor, frv_output_dwarf_dtprel): Likewise.
        * config/frv/frv.md (reload_incc_fp, *cond_exec_si_binary1,
        *cond_exec_si_binary2, *cond_exec_si_divide, *cond_exec_si_unary1,
        *cond_exec_sf_conv, *cond_exec_sf_add, call, sibcall, call_value,
        sibcall_value, casesi): Likewise.

        * config/mn10300/mn10300.c (print_operand): Use gcc_assert and
        gcc_unreachable as appropriate.
        (print_operand_address, mn10300_print_reg_list, expand_prologue,
        expand_epilogue, notice_update_cc, initial_offset,
        mn10300_address_cost_1): Likewise.
        * config/mn10300/mn10300.md: Likewise.
        (absdf2, abssf2, negdf2, negsf2): Likewise.

2005-05-08  Richard Sandiford  <rsandifo@redhat.com>

        PR target/21416
        * config/mips/mips.c (mips_emit_compare): Don't reverse UNGE and UNGT
        comparisons.
        * config/mips/mips.md (swapped_fcond): New code macro and attribute.
        (sgt_<mode>, sge_<mode>): Generalize to all members of swapped_fcond,
        including sunge_<mode> and sungt_<mode>.

2005-05-08  Richard Sandiford  <rsandifo@redhat.com>

        * integrate.h (get_hard_reg_initial_val): Change type of register
        parameter from int to unsigned int.
        (has_hard_reg_initial_val): Likewise.
        * integrate.c (get_hard_reg_initial_val): Likewise.
        (has_hard_reg_initial_val): Likewise.  Remove cast to unsigned int.

2005-05-08  Kazu Hirata  <kazu@cs.umass.edu>

        * except.c (eh_status): Change the type of ttype_data to
        VEC(tree,gc)*.
        (add_ttypes_entry, assign_filter_values,
        output_function_exception_table): Use VEC instead of VARRAY.

2005-05-07  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (popcount<mode>2): Fix non-C90 constant.

2005-05-07  Paul Brook  <paul@codesourcery.com>

        * Makefile.in: Fix dependencies.
        (GCOV_IO_H, VARRAY_H): Set.

2005-05-07  Anthony Green  <green@redhat.com>

        PR bootstrap/21403
        * configure.ac (STMP_FIXPROTO): Fix [ ] consumption problem in
        x$STMP_FIXPROTO test.
        * configure: Rebuilt.

2005-05-07  Joseph S. Myers  <joseph@codesourcery.com>

        * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Do not define
        inappropriate feature test macros if flag_iso.

2005-05-07  Joseph S. Myers  <joseph@codesourcery.com>

        * config/ia64/hpux.h (NO_IMPLICIT_EXTERN_C): Define.

2005-05-07  Hans-Peter Nilsson  <hp@axis.com>

        PR target/21441
        * config/cris/cris.md ("*movdi_insn", "*mov_sidesisf_biap")
        ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
        Handle moved operand being in special register.
        ("smulsi3_highpart", "umulsi3_highpart"): Change .error into
        presumed working insn.
        (mover2side): Add FIXME.

2005-05-07  Richard Sandiford  <rsandifo@redhat.com>

        * integrate.c (get_func_hard_reg_initial_val): Delete.
        (has_func_hard_reg_initial_val): Delete.
        (get_hard_reg_initial_val): Inline the old implementation of
        get_func_hard_reg_initial_val.  Use has_hard_reg_initial_val
        instead of has_func_hard_reg_initial_val to test for an existing
        pseudo.  Only create an rtx if a new initial value entry is needed.
        (has_hard_reg_initial_val): Scan the initial value list directly.
        Don't create an rtx.

2005-05-07  David Edelsohn  <edelsohn@gnu.org>

        * config.gcc ({powerpc,rs6000}-ibm-aix*): Remove rs6000/aix.opt
        from extra_options.
        * config.in (HAVE_AS_POPCNTB): New.
        * configure.ac (HAVE_AS_MFCRF): Add .machine "pwr5" to AIX test.
        (HAVE_AS_POPCNTB): New.
        * configure: Regenerated.
        * config/rs6000/aix.h (TARGET_XL_COMPAT): Delete.
        * config/rs6000/rs6000.c (rs6000_override_options, power5): Add
        MASK_POPCNTB.  Uncomment rs6000_sched_restricted_insns_priority
        and rs6000_sched_costly_dep.
        * config/rs6000/rs6000.h (TARGET_POPCNTB): New.
        (TARGET_XL_COMPAT): Delete.
        * config/rs6000/rs6000.md (UNSPEC_POPCNTB): New.
        (popcount<mode>2): New.
        (popcntb<mode>2): New.
        * config/rs6000/rs6000.opt (mpopcntb): New.

        * opt-functions.awk (var_set): Emit OPTION_MASK_ for InverseMask
        if variable name exists.

2005-05-07  Matt Kraai  <kraai@ftbfs.org>

        * Makefile.in (c-gimplify.o): Depend on $(RTL_H) instead of rtl.h.

2005-05-07  Richard Henderson  <rth@redhat.com>

        PR target/21412
        * config/rs6000/rs6000.c (rs6000_emit_move): Look for tls addresses
        with constant offsets.

2005-05-07  Nathan Sidwell  <nathan@codesourcery.com>

        * config/v850/v850.c (print_operand): Use gcc_assert and
        gcc_unreachable, as appropriate.
        (print_operand_address, v850_handle_data_area_attribute,
        v850_encode_data_area, construct_restore_jr, construct_save_jarl,
        v850_insert_attributes, construct_prepare_instruction): Likewise.
        * config/v850/v850.h (INITIAL_ELIMINATION_OFFSET): Likewise.
        * config/v850/v850.md (movsicc, *sasf_1): Likewise.

2005-05-07  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-loop-ivcanon.c, config/i386/i386.c,
        config/rs6000/rs6000.h: Fix comment typos.

2005-05-07  Richard Sandiford  <rsandifo@redhat.com>

        * doc/invoke.texi: Remove documentation for MIPS' -mint64 option.
        * config/mips/mips.c (TARGET_SCALAR_MODE_SUPPORTED_P): Delete.
        (mips_scalar_mode_supported_p): Delete.

2005-05-06  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips.opt: Remove -mint64 option.
        * config/mips/mips.c (override_options): Remove -mint64
        handling.
        * config/mips/mips.h (INT_TYPE_SIZE): Define to 32.
        * config/mips/linux.h (TARGET_OS_CPP_BUILTINS): Remove
        64-bit integer handling.
        * doc/invoke.texi (Option Summary): Remove -mint64 for
        mips.

2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/19401
        * tree-flow.h (tree_unroll_loops_completely): Declaration changed.
        * tree-ssa-loop-ivcanon.c (enum unroll_level): New.
        (estimated_unrolled_size): New function.
        (try_unroll_loop_completely, canonicalize_loop_induction_variables,
        tree_unroll_loops_completely): Always unroll loops if the code size
        does not increase.
        * tree-ssa-loop.c (tree_complete_unroll): Indicate whether all
        loops should be unrolled completely.
        (gate_tree_complete_unroll): Run complete unrolling unconditionally.

2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>

        PR rtl-optimization/21254
        * loop-iv.c (iv_number_of_iterations): Simplify infiniteness
        assumptions for loops that otherwise do not roll.
        (find_simple_exit): Prefer # of iterations that is guaranteed
        not to be infinite.
        * loop-unroll.c (decide_peel_once_rolling,
        decide_peel_completely): Check whether the loop is infinite.

2005-05-06  Pat Haugen  <pthaugen@us.ibm.com>

        * config/rs6000/sysv4.opt: Fix typo.

2005-05-06  Denis Vlasenko  <vda@port.imtp.ilyichevsk.odessa.ua>
            Jakub Jelinek  <jakub@redhat.com>

        PR target/21329
        * config/i386/i386.c (ix86_expand_movmem): Don't use rep; movsb
        for -Os if (movsl;)*(movsw;)?(movsb;)? sequence is shorter.
        Don't use rep; movs{l,q} if the repetition count is really small,
        instead use a sequence of movs{l,q} instructions.

2005-05-06  Jeff Law  <law@redhat.com>

        PR tree-optimization/21380
        * tree-ssa-threadupdate.c (thread_through_all_blocks): Do not
        thread through a block with no preds.

2005-05-06  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-operands.c (clobbered_v_may_defs, clobbered_vuses,
        ro_call_vuse, fini_ssa_operands, add_call_clobber_ops,
        add_call_read_ops): Use VEC instead of VARRAY.

2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>

        * config/mcore/mcore.c (mcore_print_operand_address): Use
        gcc_assert and gcc_unreachable as appropriate.
        (mcore_print_operand, mcore_gen_compare_reg, mcore_output_call,
        mcore_output_andn, output_inline_const, mcore_output_move,
        mcore_output_movedouble, mcore_expand_block_move,
        layout_mcore_frame, mcore_initial_elimination_offset,
        mcore_expand_prolog, mcore_mark_dllexport,
        mcore_mark_dllimport): Likewise.
        * config/mcore/mcore.h (switch_to_section): Likewise.
        * config/mcore/mcore.md: Likewise.

2005-05-06  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/linux64.h: Remove MASK_PROFILE_KERNEL, and
        TARGET_PROFILE_KERNEL.

        * config/rs6000/rs6000.c (output_profile_hook): Add comment to
        TARGET_PROFILE_KERNEL use.

2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>

        * config/m32r/m32r.c (m32r_encode_section_info): Use gcc_assert
        and gcc_unreachable, as appropriate.
        (gen_compare, gen_split_move_double, m32r_setup_incoming_varargs,
        m32r_expand_prologue, m32r_output_function_epilogue,
        m32r_legitimize_pic_address, m32r_print_operand_address,
        emit_cond_move, m32r_function_symbol,
        m32r_output_block_move): Likewise.
        * config/m32r/m32r.h (INITIAL_ELIMINATION_OFFSET): Likewise.
        * config/m32r/m32r.md ( *movsi_insn, *zero_branch_insn,
        *rev_zero_branch_insn): Likewise.

2005-05-06  Jakub Jelinek  <jakub@redhat.com>

        PR c++/20961
        * varasm.c (merge_weak): Remove NEWDECL from WEAK_DECLS chain
        if both NEWDECL and OLDDECL are already weak.

2005-05-06  Richard Sandiford  <rsandifo@redhat.com>

        * config/rs6000/sysv4.h (EXTRA_SUBTARGET_SWITCHES): Delete.

2005-05-05  J"orn Rennecke  <joern.rennecke@st.com>
            Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_builtin_saveregs): Use copy_to_mode_reg
        and plus_constant.

2005-05-05  Aldy Hernandez  <aldyh@redhat.com>
            David Edelsohn  <edelsohn@gnu.org>

        * config.gcc: Add .opt magic for the rs6000 ports.

        * doc/invoke.texi: Document -mabi= option properly.  Document
        -misel and -mno-sel.  Document -mspe and -mno-spe.  Document
        -mvrsave and -mno-vrsave.  Document deprecation of -mspe= and
        -misel=.

        * config/rs6000/aix.h: Remove XL_COMPAT stuff.  Remove
        SUBTARGET_SWITCHES and SUBSUBTARGET_SWITCHES.  Define
        TARGET_XL_COMPAT.

        * config/rs6000/aix.opt: New.
        * config/rs6000/aix41.opt: New.
        * config/rs6000/aix64.opt: New.
        * config/rs6000/darwin.opt: New.
        * config/rs6000/linux64.opt: New.
        * config/rs6000/rs6000.opt: New.
        * config/rs6000/sysv4.opt: New.

        * config/rs6000/sysv4.h: Delete definitions of MASK_* and
        associated TARGET_*.  Remove SUBTARGET_OPTIONS,
        SUBTARGET_SWITCHES.
        Define TARGET_USES_SYSV4_OPT.
        * config/rs6000/aix41.h: Remove SUBSUBTARGET_SWITCHES.
        * config/rs6000/aix43.h: Remove SUBSUBTARGET_SWITCHES.  Define
        TARGET_USES_AIX64_OPT.
        * config/rs6000/aix51.h: Same.
        * config/rs6000/aix52.h: Same.
        * config/rs6000/darwin.h: Remove SUBTARGET_SWITCHES,
        MASK_MACHO_DYNAMIC_NO_PIC, TARGET_MACHO_DYNAMIC_NO_PIC.
        Use TARGET_ALTIVEC_VRSAVE instead of rs6000_altivec_vrsave.
        Define TARGET_DYNAMIC_NO_PIC as TARGET_MACHO_DYNAMIC_NO_PIC.
        * config/rs6000/linux64.h: Use
        rs6000_explicit_options.  Remove EXTRA_SUBTARGET_SWITCHES.

        * config/rs6000/rs6000.c: Remove definitions of
        rs6000_sched_restricted_insns_priority,
        rs6000_long_double_size_string, rs6000_altivec_vrsave,
        rs6000_altivec_vrsave_string, rs6000_isel, rs6000_spe,
        rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
        rs6000_abi_string, rs6000_warn_altivec_long, rs6000_longcall,
        rs6000_alignment_string.  Define rs6000_explicit_options.
        (rs6000_parse_abi_options): Remove.
        (rs6000_parse_alignment_option): Remove.
        (rs6000_parse_float_gprs_option): Remove.
        (rs6000_handle_option): New.  Define TARGET_HANDLE_OPTION.  Define
        TARGET_DEFAULT_TARGET_FLAGS.
        (rs6000_override_options): Revamp to use new .opt machinery.

        * config/rs6000/rs6000.h: Remove old MASK_* and TARGET_* in favor
        of new .opt machinery.  Remove target_flags.  Redefine
        TARGET_MFCRF and TARGET_POWERPC64.  Remove TARGET_SWITCHES,
        SUBTARGET_SWITCHES, TARGET_OPTIONS, SUBTARGET_OPTIONS,
        rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
        rs6000_altivec_vrsave_string, rs6000_altivec_vrsave,
        rs6000_longcall_switch, rs6000_default_long_calls,
        rs6000_sched_costly_dep_str, rs6000_sched_costly_dep,
        rs6000_warn_altivec_long, rs6000_warn_altivec_long_switch, and
        TARGET_ALTIVEC_VRSAVE.

2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>

        * config.gcc (hppa1.1-*-rtems*): Remove.
        * config/pa/rtems.h: Remove.

2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>

        * config/rs6000/t-rtems (MULTILIB_NEW_EXCEPTIONS_ONLY):
        Exclude roe/603e multilib variants.

2005-05-04  Denis Chertykov  <denisc@overta.ru>

        PR target/21284
        * config/avr/avr.c (avr_output_addr_vec_elt): Use special section
        for output.

2005-05-05  Richard Sandiford  <rsandifo@redhat.com>

        * config.gcc (arm*-wince-pe*, arm-*-pe*, strongarm-*-pe): Add
        arm/pe.opt to $extra_options.
        * config/arm/arm.h (target_flags, target_fpu_name, target_fpe_name)
        (target_float_abi_name, target_float_switch, target_abi_name)
        (ARM_FLAG_APCS_FRAME, ARM_FLAG_POKE, ARM_FLAG_FPE, ARM_FLAG_APCS_STACK)
        (ARM_FLAG_APCS_FLOAT, ARM_FLAG_APCS_REENT, ARM_FLAG_BIG_END)
        (ARM_FLAG_INTERWORK, ARM_FLAG_LITTLE_WORDS, ARM_FLAG_NO_SCHED_PRO)
        (ARM_FLAG_ABORT_NORETURN, ARM_FLAG_SINGLE_PIC_BASE)
        (ARM_FLAG_LONG_CALLS, ARM_FLAG_THUMB, THUMB_FLAG_BACKTRACE)
        (THUMB_FLAG_LEAF_BACKTRACE, THUMB_FLAG_CALLEE_SUPER_INTERWORKING)
        (THUMB_FLAG_CALLER_SUPER_INTERWORKING, CIRRUS_FIX_INVALID_INSNS)
        (TARGET_APCS_FRAME, TARGET_POKE_FUNCTION_NAME, TARGET_FPE)
        (TARGET_APCS_STACK, TARGET_APCS_FLOAT, TARGET_APCS_REENT)
        (TARGET_BIG_END, TARGET_INTERWORK, TARGET_LITTLE_WORDS)
        (TARGET_NO_SCHED_PRO, TARGET_ABORT_NORETURN, TARGET_SINGLE_PIC_BASE)
        (TARGET_LONG_CALLS, TARGET_THUMB, TARGET_CALLER_INTERWORKING)
        (TARGET_CIRRUS_FIX_INVALID_INSNS, SUBTARGET_SWITCHES, TARGET_SWITCHES)
        (TARGET_OPTIONS, arm_cpu_select, arm_select,  structure_size_string)
        (arm_pic_register_string): Delete.
        (TARGET_BACKTRACE): Redefine using TARGET_TPCS_LEAF_FRAME and
        TARGET_TPCS_FRAME.
        (TARGET_DEFAULT, CONDITIONAL_REGISTER_USAGE): Update mask names.
        * config/arm/coff.h (TARGET_DEFAULT): Likewise.
        * config/arm/elf.h (TARGET_DEFAULT): Likewise.
        * config/arm/netbsd-elf.h (TARGET_DEFAULT): Likewise.
        * config/arm/netbsd.h (TARGET_DEFAULT): Likewise.
        * config/arm/semi.h (TARGET_DEFAULT): Likewise.
        * config/arm/uclinux-elf.h (TARGET_DEFAULT): Likewise.
        * config/arm/wince-pe.h (TARGET_DEFAULT): Likewise.
        * config/arm/pe.h (TARGET_DEFAULT): Likewise.
        (TARGET_FLAG_NOP_FUN, TARGET_NOP_FUN_DLLIMPORT): Delete.
        (SUBTARGET_SWITCHES): Delete.
        * config/arm/arm.c (target_float_switch): Delete.
        (arm_cpu_select): Moved from config/arm/arm.h.
        (target_fpu_name, target_fpe_name, target_float_abi_name)
        (target_abi_name, structure_size_string, arm_pic_register_string)
        (arm_select): Make static.
        (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
        (arm_handle_option): New function.
        (arm_override_options): Update target_flags checks for new mask names.
        Remove target_float_switch code.
        (arm_expand_prologue, thumb_expand_prologue): Check
        !TARGET_SCHED_PROLOG instead of TARGET_NO_SCHED_PRO.
        * config/arm/arm.opt, config/arm/pe.opt: New files.

2005-05-05  Nathan Sidwell  <nathan@codesourcery.com>

        * config/arc/arc.c (get_arc_condition_code): Use gcc_assert &
        gcc_unreachable as appropriate.
        (arc_double_limm_p, arc_setup_incoming_varargs,
        arc_compute_function_type, arc_output_function_prologue,
        arc_output_function_epilogue, arc_eligible_for_epilogue_delay,
        output_shift, arc_print_operand, arc_print_operand_address,
        arc_final_prescan_insn): Likewise.
        * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.

2005-05-04  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/rs6000.md (P): Use TARGET_*BIT rather than
        comparing Pmode.
        (SDI): New.
        (cmp): Delete.
        (wd): New.
        (add<mode>3, add<mode>3_internal1, add<mode>3_internal2,
        add<mode>3_internal3, one_cmpl<mode>2, sub<mode>3, neg<mode>2,
        clz<mode>2, ctz<mode>2, ffs<mode>2): New.
        (addsi3, addsi3_internal1, addsi3_internal2, addsi3_internal3,
        (one_cmplsi2, subsi3, negsi2, clzsi2, ctzsi2, ffssi2): Remove.
        (adddi3, adddi3_internal1, adddi3_internal2, adddi3_internal3,
        (one_cmpldi2, subdi3, negdi2, clzdi2, ctzdi2, ffsdi2): Remove.
        (sync_compare_and_swap<mode>): Use <wd> rather than <cmp>.

2005-05-05  Paul Brook  <paul@codesourcery.com>

        * Makefile.in: Replace dependencies on basic-block.h, c-pragma.h,
        cfgloop.h, diagnostic.h, insn-attr.h, langhooks-def.h, params.h,
        regs.h, system.h, tree-dump.h, tree-gimple.h, tree-scalar-evolution.h
        and tree-data-ref.h with *_H variables.

2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>

        * config/m32r/xm-m32r.h, config/m32r/xm-linux.h: Delete files.

2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>

        * system.h: Poison BYTEORDER and HOST_WORDS_BIG_ENDIAN.

2005-05-04  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/contrib.texi (Contributors): Add Mostafa Hagog and Ayal Zaks.

2005-05-04 Fariborz Jahanian <fjahanian@apple.com>

        * config/rs6000/rs6000.c (rs6000_emit_prologue): Emit
        setting of vrsave register for current function after
        call to save_world is emitted.

2005-05-05  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/predicates.md: New file.
        * config/mmix/mmix.c (mmix_symbolic_or_address_operand)
        (mmix_reg_or_constant_operand, mmix_reg_cc_operand)
        (mmix_foldable_comparison_operator, mmix_comparison_operator)
        (mmix_reg_or_0_operand, mmix_reg_or_8bit_operand): Remove.
        * config/mmix/mmix.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
        Don't define.
        * config/mmix/mmix.md: Include predicates.md.
        ("call", "call_value"): Force address to register if it isn't a
        mmix_symbolic_or_address_operand.

2005-05-04  Andrew MacLeod  <amacleod@redhat.com>

        * tree-flow-inline.h (op_iter_init_use, op_iter_init_def): Assert that
        the flags are of appropriate types.
        (num_ssa_operands): Generalize using the generic interface.
        * tree-ssa-dce.c (remove_dead_stmt): Don't ask for kills on a DEF
        iterator.

2005-05-04  Richard Sandiford  <rsandifo@redhat.com>

        * protoize.c (version_flag, quiet_flag, nochange_flag, nosave_flag)
        (keep_flag, local_flag, global_flag, cplusplus_flag): Make extern.

2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-outof-ssa.c (edge_leader, stmt_list,
        analyze_edges_for_bb): Use VEC instead of VARRAY.
        (init_analayze_edges_for_bb, fini_analayze_edges_for_bb): New.
        (perform_edge_inserts): Call init_analayze_edges_for_bb and
        fini_analayze_edges_for_bb.

2005-05-04  James E Wilson  <wilson@specifixinc.com>

        PR driver/21112
        * gcc.c (process_command): In the second argv scan loop, ignore
        Xassembler and Xpreprocessor, along with their argument.

2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-flow-inline.h, tree-ssa-operands.c,
        tree-ssa-operands.h, tree-ssa-opfinalize.h:
        Likewise. tree-vn.c: Fix comment typos.
        * doc/passes.texi, doc/tree-ssa.texi: Fix typos.

2005-05-04  Paolo Bonzini  <bonzini@gnu.org>

        * doc/tm.texi (Target Hooks): Document
        TARGET_RESOLVE_OVERLOADED_BUILTIN.

2005-05-04  Paul Brook  <paul@codesourcery.com>

        * Makefile.in: Change dependencies on target.h to $(TARGET_H).

2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>

        * dwarf2out.c (incomplete_types, retry_incomplete_types,
        gen_struct_or_union_type_die, dwarf2out_init): Use VEC instead
        of VARRAY.

        * loop-unroll.c (var_to_expand, analyze_insn_to_expand_var,
        get_expansion, expand_var_during_unrolling,
        insert_var_expansion_initialization,
        combine_var_copies_in_loop_exit, release_var_copies): Use VEC
        instead of VARRAY.

        * tree-ssa-loop-ivopts.c (rewrite_address_base): Don't call
        update_stmt.

2004-05-03  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/15618
        * fold-const.c (fold_widened_comparison): Treat BOOLEAN_TYPE
        the same as INTEGER_TYPE.
        (fold_binary): Fold "bool_var != 0" to bool_var.
        Fold "bool_var == 1" to bool_var.

2004-05-03  Richard Henderson  <rth@redhat.com>

        PR middle-end/21318
        * function.c (instantiate_virtual_regs_in_insn): Use the mode
        from recog_data instead of insn_data.

2005-05-03  DJ Delorie  <dj@redhat.com>

        * common.opt (fdiagnostics-show-option): No variable is needed.
        * diagnostic.h (diagnostic_context): Add show_option_requested flag.
        * diagnostic.c (diagnostic_initialize): Initialize show_option_requested.
        (diagnostic_report_diagnostic): Test for enabled diagnostics here.
        Save and restore original message format.  Use flag in context
        instead of global.
        (warning): Don't test for enabled warnings here.
        * opts.c (common_handle_option): Handle -fdiagnostics-show-option
        here.

2005-05-04  Kelley Cook  <kcook@gcc.gnu.org>

        * config/m32r/xm-m32r.h: Don't define HOST_WORDS_BIG_ENDIAN.
        * config/m32r/xm-linux.h: Don't undefine HOST_WORDS_BIG_ENDIAN.
        * mips-tfile.c: Use WORDS_BIG_ENDIAN instead of HOST_WORDS_BIG_ENDIAN.
        * aclocal.m4: Don't include accross.m4.
        * configure.ac: Use AC_C_BIGENDIAN instead of AC_C_BIGENDIAN_CROSS.
        Use AC_CHECK_SIZEOF instead of AC_COMPILE_CHECK_SIZEOF.
        * configure, config.in: Regenerate.

2005-05-04  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/21265
        * expr.h (enum block_op_methods): Add BLOCK_OP_TAILCALL.
        (clear_storage): Add argument.
        * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall):
        Add tailcall argument, set CALL_EXPR_TAILCALL of the CALL_EXPR to
        tailcall.
        (emit_block_move): Handle BLOCK_OP_TAILCALL method.
        (clear_storage): Add method argument, handle BLOCK_OP_TAILCALL.
        (store_expr, store_constructor): Adjust callers.
        * builtins.c (expand_builtin_memcpy): Pass BLOCK_OP_TAILCALL
        to emit_block_move if CALL_EXPR_TAILCALL (exp).
        (expand_builtin_memmove): Add ORIG_EXP argument, copy
        CALL_EXPR_TAILCALL from ORIG_EXP to the new CALL_EXPR.
        (expand_builtin_bcopy): Replace ARGLIST and TYPE arguments
        with EXP.  Pass EXP to expand_builtin_memmove.
        (expand_builtin_memset): Add ORIG_EXP argument, pass
        BLOCK_OP_TAILCALL to clear_storage if CALL_EXPR_TAILCALL (orig_exp).
        (expand_builtin_bzero): Replace ARGLIST argument with EXP.
        Pass EXP to expand_builtin_memset.
        (expand_builtin_strcmp): Copy CALL_EXPR_TAILCALL from EXP to
        the new CALL_EXPR.
        (expand_builtin_strncmp): Likewise.
        (expand_builtin_printf): Replace ARGLIST argument with EXP.
        Copy CALL_EXPR_TAILCALL from EXP to the new CALL_EXPR.
        (expand_builtin_fprintf): Likewise.
        (expand_builtin): Adjust calls to
        expand_builtin_{memmove,bcopy,memset,bzero,{,f}printf}.

        * config/i386/i386.c (ix86_expand_vector_set): Fix setting 3rd and 4th
        item in V4SF mode.

        PR rtl-optimization/21239
        * combine.c (combine_simplify_rtx) <case VEC_SELECT>: Fix a typo.

2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-flow.h (tree_ann_common_d): Move aux to ...
        (stmt_ann_d): ... here.
        * tree-ssa-loop-im.c (LIM_DATA, determine_invariantness_stmt,
        move_computations_stmt, schedule_sm): Update references to
        aux.
        * tree-vectorizer.h (set_stmt_info, vinfo_for_stmt): Likewise.

        * tree-cfg.c (remove_bb): Remove a redundant call to
        set_bb_for_stmt.
        * tree-if-conv.c (replace_phi_with_cond_modify_expr):
        Likewise.

2005-05-03  Richard Henderson  <rth@redhat.com>

        * config/rs6000/rs6000.c: Remove conflict markers.

        * cfg.c (dump_flow_info): Use max_reg_num, not max_regno.

2005-05-03  James E Wilson  <wilson@specifixinc.com>

        * dwarf2out.c (lookup_filename): Call maybe_emit_file.

2005-05-03  DJ Delorie  <dj@redhat.com>

        * c-decl.c (store_parm_decls_oldstyle): Let diagnostic machinery
        decide if the warning will be printed.
        * calls.c (expand_call): Likewise.
        * function.c (init-function_start): Likewise.

        * common.opt (-fdiagnostics-show-option): New.
        * opts.c (option_enabled): Accept the option index instead of a
        pointer to the option descriptor.
        * opts.h (option_enabled): Likewise.
        * toplev.c (print_switch_values): Pass option index, not option
        descriptor.
        * diagnostic.h (diagnostic_info): Add option_index.
        * diagnostic.c: Include opts.h.
        (diagnostic_set_info): Initialize option_index.
        (diagnostic_report_diagnostic): Amend option name if appropriate.
        (warning): Check to see if the specified warning is enabled.
        Store option index.
        * doc/invoke.texi (-fdiagnostics-show-options): Document.

2005-05-03  Richard Henderson  <rth@redhat.com>

        * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Fix ALL_REGS and
        SPEC_OR_GEN_REGS definitions.

2005-05-03  Alexandre Oliva  <aoliva@redhat.com>

        PR target/16888
        * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Clear reg names
        for unavailable registers.

2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (tree_forwarder_block_p): Fix a typo.

        * cfglayout.c (block_locators_blocks,
        insn_locators_initialize, insn_scope): Use VEC instead of
        VARRAY.

        * tree-mudflap.c (deferred_static_decls, mudflap_enqueue_decl,
        mudflap_finish_file, mudflap_finish_file): Use VEC instead of
        VARRAY.

2005-05-03  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/predicates.md (const_compl_high_operand): New.
        * config/sparc/sparc.c (sparc_emit_set_safe_HIGH64): Rename into
        gen_safe_HIGH64.
        (sparc_emit_set_const64_quick1): Adjust for above change.
        (sparc_emit_set_const64_quick2): Likewise.
        (sparc_emit_set_const64_longway): Likewise.
        (sparc_emit_set_const64): Likewise.
        * config/sparc/sparc.md (movhi_const64_special, movsi_const64_special,
        movdi_const64_special): Delete.
        (logical constant splitters): Use const_compl_high_operand.

2005-05-03  Richard Guenther  <rguenth@gcc.gnu.org>

        * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Use STRIP_TYPE_NOPS
        rather than STRIP_NOPS.

2005-05-03  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/21330
        * loop-unswitch.c (may_unswitch_on): Set *cinsn only when
        returning non-NULL.
        (unswitch_single_loop): Clear cinsn when retrying.

        PR target/21297
        * config/i386/i386.c (legitimize_address): When canonicalizing
        ASHIFT into MULT, multiply by 1 << shift_count instead of
        1 << log2 (shift_count).

2005-05-03  Andrew MacLeod  <amacleod@redhat.com>

        * lambda-code.c (gcc_loop_to_lambda_loop,
        lambda_loopnest_to_gcc_loopnest, phi_loop_edge_uses_def,
        stmt_is_bumper_for_loop, perfect_nest_p, replace_uses_of_x_with_y): Use
        generic operand interface.
        * tree-data-ref.c (find_data_references_in_loop): Use generic interface.
        * tree-dfa.c (collect_dfa_stats_r, mark_new_vars_to_rename): Use
        generic operand interface.
        * tree-flow-inline.h (delink_imm_use, link_imm_use_to_list,
        link_imm_use, link_imm_use_stmt, relink_imm_use, relink_imm_use_stmt,
        next_safe_imm_use, has_zero_uses, has_single_use, single_imm_use,
        num_imm_uses): Use ssa_use_operand_t.
        (get_def_ops, get_use_ops, get_v_may_def_ops, get_vuse_ops,
        get_v_must_def_ops): Delete.
        (get_def_from_ptr, get_phi_result_ptr): Get def directly now.
        (get_use_op_ptr, get_def_op_ptr, get_v_may_def_result_ptr,
        get_v_may_def_op_ptr, get_vuse_op_ptr, get_v_must_def_result_ptr,
        get_v_must_def_kill_ptr): Delete.
        (delink_stmt_imm_use): Move and use new operand interface.
        (op_iter_next_use, op_iter_next_def, op_iter_next_tree, op_iter_init,
        op_iter_next_tree): Use new operand implementation.
        (clear_and_done_ssa_iter): New.  Initialize a blank operand iterator.
        (op_iter_init_use, op_iter_init_def, op_iter_init_tree): Add iterator
        type check.
        (op_iter_next_mustdef, op_iter_next_maydef,
        op_iter_next_must_and_may_def): Delete. Replace with...
        (op_iter_next_maymustdef): New.  Combine must and may next operations.
        (op_iter_init_maydef, op_iter_init_mustdef,
        op_iter_init_must_and_may_def): Use new interface.
        (single_ssa_tree_operand ): New.  Process single operands only as trees.
        (single_ssa_use_operand): New.  Process single operands only as uses.
        (single_ssa_def_operand): New.  Process single operands only as defs.
        (zero_ssa_operands): New.  Return TRUE if there are zero operands of the
        specified types.
        (num_ssa_operands): New.  Count the number of specified operands.
        (compare_ssa_operands_equal): New.  Compare two statements' operands.
        (single_phi_def): New.  Return true if PHI has one def of the specified
        operand type.
        (op_iter_init_phiuse): New.  Initialize the iterator for PHI arguments.
        (op_iter_init_phidef): New.  Initialize the iterator for the PHI def.
        * tree-flow.h (struct immediate_use_iterator_d): Use ssa_use_operand_t.
        (struct stmt_ann_d): Operands field no longer require GTY().
        (vn_compute, vn_lookup_or_add, vn_add, vn_lookup): Change prototype.
        * tree-into-ssa.c (mark_def_sites): Use SSA_OP_VMUSTKILL.
        * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
        dump_replaceable_exprs, rewrite_trees): Use generic interface.
        * tree-phinodes.c (make_phi_node, release_phi_node, resize_phi_node):
        Use use_operand_p instead of ssa_imm_use_t *.
        * tree-pretty-print.c (dump_vops): check if operands are active before
        dumping virtual operands.
        * tree-sra.c (sra_walk_function): Use ZERO_SSA_OPERANDS.
        * tree-ssa-ccp.c (likely_value): Use ZERO_SSA_OPERANDS.
        (ccp_fold): Use new interface.
        (ccp_visit_stmt): Remove unused variables and code.
        (convert_to_gimple_builtin): Insert statements before calling
        mark_new_vars_to_rename.
        * tree-ssa-copy.c (stmt_may_generate_copy): Use ZERO_SSA_OPERANDS.
        (copy_prop_visit_cond_stmt): Use generic interface.
        * tree-ssa-dom.c (struct expr_hash_elt): Use stmt pointer, not the
        annotation in table.
        (thread_across_edge): Use generic interface.
        (initialize_hash_element): Initialzie with stmt, not annotation.
        (eliminate_redundant_computations): Use generic interface.
        (record_equivalences_from_stmt): Pass stmt, not annotation.
        (avail_expr_hash, real_avail_expr_hash, avail_expr_eq): Use generic
        interface.
        * tree-ssa-dse.c (dse_optimize_stmt): Use ZERO_SSA_OPERANDS.
        * tree-ssa-loop-ivopts.c (find_invariants_stmt,
        find_interesting_uses_stmt, protect_loop_closed_ssa_form_use): Use
        generic operand interface.
        * tree-ssa-loop-niter.c (chain_of_csts_start, get_val_for): Use generic
        interface.
        * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Use Generic operand
        Interface.
        * tree-ssa-operands.c (struct opbuild_list_d): New.  Operand build type.
        (build_defs, build_uses, build_v_may_defs, build_vuses,
        build_v_must_defs): Change type to struct opbuild_list_d.
        (ops_active): New.  Operands active boolean.
        (operand_memory, operand_memory_index): New.  Operand memory managers.
        (allocate_def_optype, allocate_use_optype, allocate_v_may_def_optype,
        allocate_vuse_optype, allocate_v_must_def_optype): Delete.
        (free_uses, free_defs, free_vuses, free_v_may_defs, free_v_must_defs):
        Change from functions to static variable list heads.
        (opbuild_initialize_virtual): New.  Initialize a virtual build list.
        (opbuild_initialize_real): New.  Initialize a virtual build list.
        (opbuild_free): New.  Free a build list.
        (opbuild_num_elems): New.  Number of items in a list.
        (opbuild_append_real): New.  Add a real (tree *) operand.
        (opbuild_append_virtual): New.  Add and sort a virtual (tree) operand.
        (opbuild_first): New.  Return first element index in a list.
        (opbuild_next): New.  Return next element in a list.
        (opbuild_elem_real): New.  Return real element.
        (opbuild_elem_virtual): New.  Return virtual element.
        (opbuild_elem_uid): New.  Return UID of virtual element.
        (opbuild_clear): New.  Reset an operand list.
        (opbuild_remove_elem): New.  Remove an element form a list.
        (ssa_operands_active): New.  Return true if operand cache is active.
        (init_ssa_operands, fini_ssa_operands): Initialize new implementation.
        (ssa_operand_alloc): New.  Allocate memory from an operand chunk.
        (correct_use_link): Use use_operand_p.
        (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_defs,
        finalize_ssa_vuses, finalize_ssa_v_must_defs): New implmentation.
        (cleanup_v_may_defs): Use new implmentation.
        (finalize_ssa_stmt_operands, start_ssa_stmt_operands): New
        implementation.
        (append_def, append_use, append_v_may_def, append_vuse,
        append_v_must_def): Call opbuild_append routine instead of using varray.
        (build_ssa_operands): Simplify to simply use stmt, don't maintain a
        global parse_old_ops variable.
        (free_ssa_operands): New implementation.
        (update_stmt_operands): Move.  Change argument to build_ssa_operands.
        (copy_virtual_operands): Move. New generic implementation.
        (create_ssa_artficial_load_stmt): Move. New implementation.
        (swap_tree_operands): Update for new implementation.
        (get_expr_operands): Add stmt parameter to calls to swap_tree_operands.
        (add_call_clobber_ops, add_call_read_ops): Initialize opbuild list
        rather than a varray.
        (verify_imm_links): Use use_operand_p.
        (dump_immediate_uses_for): If the immediate use variable is a virtual
        variable, show the virtual ops in the stmt.
        * tree-ssa-operands.h (def_operand_p): No longer a structure.
        (NULL_DEF_OPERAND_P): Now a #define.
        (def_optype_d, use_optype_d, v_def_use_operand_type, v_may_def_optype_d,
        vuse_operand_type, vuse_optype_d, v_must_def_optype_d): Delete.
        (def_optype_d, use_optype_d, maydef_optype_d, vuse_optype_d,
        mustdef_optype_d): New.  Use Linked list representation.
        (SSA_OPERAND_MEMORY_SIZE): New.  Size of operand memory chunk.
        (struct ssa_operand_memory_d): New.  Allocated Chunk node.
        (struct stmt_operands_d): Change to new pointers that are not GTY.
        (STMT_USE_OPS, NUM_USES, SET_USE_OP, STMT_DEF_OPS, NUM_DEFS, SET_DEF_OP,
        STMT_V_MAY_DEF_OPS, NUM_V_MAY_DEFS, SET_V_MAY_DEF_RESULT,
        SET_V_MAY_DEF_OP, STMT_VUSE_OPS, NUM_VUSES, SET_VUSE_OP,
        STMT_V_MUST_DEF_OPS, NUM_V_MUST_DEFS, SET_V_MUST_DEF_RESULT,
        SET_V_MUST_DEF_KILL): Delete.
        (V_MAY_DEF_OPS, V_MAY_DEF_RESULT_PTR, V_MAY_DEF_RESULT,
        V_MAY_DEF_OP_PTR, V_MAY_DEF_OP): Rename to MAYDEF_*.
        (V_MUST_DEF_OPS, V_MUST_DEF_RESULT_PTR, V_MUST_DEF_RESULT,
        V_MUST_DEF_KILL_PTR, V_MUST_DEF_KILL): Rename to MUSTDEF_*.
        (enum ssa_op_iter_type): Operand iterator typechecking values.
        (struct ssa_operand_iterator_d): Use linked lists of operands.
        (SSA_OP_VMUSTDEFKILL): Rename to SSA_OP_VMUSTKILL.
        (FOR_EACH_SSA_MAYDEF_OPERAND, FOR_EACH_SSA_MUSTDEF_OPERAND,
        FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): Use op_iter_next_maymustdef.
        (FOR_EACH_PHI_ARG): New.  Iterate over PHI arguments.
        (FOR_EACH_PHI_OR_STMT_USE): New.  Iterate over PHI or stmt uses.
        (FOR_EACH_PHI_OR_STMT_DEF): New.  Iterate over PHI or stmt defs.
        (SINGLE_SSA_TREE_OPERAND, SINGLE_SSA_USE_OPERAND,
        SINGLE_SSA_DEF_OPERAND, ZERO_SSA_OPERANDS, NUM_SSA_OPERANDS): New.
        * tree-ssa-opfinalize.h: New.  Function templates for expansion.
        (FINALIZE_ALLOC): Expands into alloc_def, alloc_use, alloc_maydef,
        alloc_vuse, and alloc_mustdef.
        (FINALIZE_FUNC): Expands into finalize_ssa_def_ops,
        finalize_ssa_use_ops, finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
        and finalize_ssa_v_must_def_ops.
        * tree-ssa-pre.c (add_to_sets): Pass tree to vn_add.
        (create_value_expr_from): Use stmt not vuse_optype as a parameter. Pass
        stmt around.
        (compute_avail): Use generic iterator interface.
        * tree-ssa-propagate.c (first_vdef): Use generic operand interface.
        (stmt_makes_single_load, stmt_makes_single_store): Use
        ZERO_SSA_OPERANDS.
        * tree-ssa-sink.c (is_hidden_global_store): Use ZERO_SSA_OPERANDS.
        (statement_sink_location): Use generic interface.
        * tree-ssa.c (verify_ssa):  Use %p in fprintf.  Use generic interface.
        (delete_tree_ssa): Don't call release_defs.  Call release_ssa_name and
        reset the immediate use link nodes.
        (stmt_references_memory_p): Use ZERO_SSA_OPERANDS.
        * tree-ssanames.c (make_ssa_name): Use use_operand_p.
        * tree-tailcall.c (find_tail_calls): Use ZERO_SSA_OPERANDS.
        (eliminate_tail_call): Use generic operand interface.
        * tree-vect-analyze.c (vect_analyze_data_refs): Use ZERO_SSA_OPERANDS.
        (vect_mark_relevant, vect_mark_stmts_to_be_vectorized): Use generic
        interface.
        * tree-vect-transform.c (update_vuses_to_preheader): Use generic
        interface.
        * tree-vectorizer.c (rename_variables_in_bb): Use generic interface.
        * tree-vn.c (struct val_expr_pair_d): Cache statment pointer instead of
        vuse_optype.
        (vn_compute, val_expr_pair_hash, vn_add, vn_lookup, vn_lookup_or_add):
        Use statement pointer instead of vuse_optype.  Use generic interface.
        * tree-vrp.c (maybe_add_assert_expr): Use generic interface.
        (stmt_interesting_for_vrp, vrp_visit_stmt): Use ZERO_SSA_OPERANDS.
        * tree.h (struct ssa_imm_use_d): Renamed to ssa_use_operand_d.
        (tree_ssa_name, phi_arg_d): Use ssa_use_operand_d.
        * doc/tree-ssa.texi: Update documentation for operand interface.

2005-05-03  Nathan Sidwell  <nathan@codesourcery.com>

        * config/darwin.c (machopic_define_symbol): Use gcc_assert or
        gcc_unreachable as appropriate.
        (machopic_function_base_name, machopic_indirect_data_reference,
        machopic_legitimize_pic_address, darwin_non_lazy_pcrel): Likewise.
        * config/host-darwin.c (darwin_gt_pch_use_address): Likewise
        * config/rs6000/altivec.md (*mov<mode>_internal,
        build_vector_mask_for_load): Likewise.
        * config/rs6000/darwin.md (movdf_low_si, movdf_low_di,
        *call_nonlocal_darwin64, *call_value_nonlocal_darwin64,
        *sibcall_symbolic_64, *sibcall_value_symbolic_64): Likewise.
        * config/rs6000/predicates.md (easy_fp_constant,
        logical_operand): Likewise.
        * config/rs6000/rs6000.c (spe_expand_predicate_builtin,
        compute_save_world_info, rs6000_emit_prologue,
        rs6000_output_mi_thunk): Reword comments to avoid 'abort'.
        * config/rs6000/host-darwin.c (segv_handler): Use fancy_abort
        directly.

2005-05-03  Uros Bizjak  <uros@kss-loka.si>

        PR middle-end/21282
        * convert.c (convert_to_integer): Convert ceil and floor in
        c99 mode only.

2005-04-29  Geoffrey Keating  <geoffk@apple.com>

        PR target/20813
        * config/rs6000/rs6000.md (floatsidf2_internal): Merge to create
        define_insn_and_split.  Split only when memory operand is
        offsettable.  Use adjust_address rather than plus_constant.
        (floatunssidf2_internal): Likewise.
        (fix_truncdfsi2_internal): Split only when memory operand is
        offsettable.  Use adjust_address rather than plus_constant.
        (fix_trunctfsi2_internal): Likewise.
        (floatsidf2_internal): Likewise.

2005-05-02  Diego Novillo  <dnovillo@redhat.com>

        * tree-vrp.c (set_value_range_to_nonnull): Declare inline.
        (set_value_range_to_null): Likewise.
        (set_value_range_to_varying): New function.  Use it in all
        call sites that used to call set_value_range (vr, VR_VARYING, ...).
        (extract_range_from_assert): If the integral type has a
        super-type, and LIMIT is not within MIN and MAX values of that
        type, set the resulting range to VR_VARYING.

2005-05-02  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.opt: New file.
        * config/mmix/mmix.h: Move options-related comments to mmix.opt.
        (mmix_cc1_ignored_option): Don't declare.
        (TARGET_OPTIONS, TARGET_MASK_LIBFUNCS, TARGET_MASK_ABI_GNU)
        (TARGET_MASK_FCMP_EPSILON, TARGET_MASK_ZERO_EXTEND)
        (TARGET_MASK_KNUTH_DIVISION, TARGET_MASK_TOPLEVEL_SYMBOLS)
        (TARGET_MASK_BRANCH_PREDICT, TARGET_MASK_USE_RETURN_INSN)
        (TARGET_MASK_BASE_ADDRESSES, TARGET_LIBFUNC, TARGET_ABI_GNU,
        (TARGET_FCMP_EPSILON, TARGET_ZERO_EXTEND, TARGET_KNUTH_DIVISION)
        (TARGET_TOPLEVEL_SYMBOLS, TARGET_BRANCH_PREDICT)
        (TARGET_BASE_ADDRESSES, TARGET_USE_RETURN_INSN, TARGET_SWITCHES):
        Don't define.
        (TARGET_DEFAULT): Change TARGET_MASK_... to MASK_...
        * config/mmix/mmix.c (mmix_cc1_ignored_option): Remove.
        (TARGET_DEFAULT_TARGET_FLAGS): Override default.

2005-05-02  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/15698
        * c-tree.h (C_DECL_BUILTIN_PROTOTYPE): New.
        * c-decl.c (current_function_prototype_built_in,
        current_function_prototype_arg_types): New.
        (merge_decls): Keep source location of prototype followed by
        nonprototype declaration.  Update C_DECL_BUILTIN_PROTOTYPE.
        (builtin_function): Set C_DECL_BUILTIN_PROTOTYPE.
        (start_function): Always set current_function_prototype_locus,
        current_function_prototype_built_in and
        current_function_prototype_arg_types.  Check for external
        prototype whether or not visible for external function and set
        current_function_prototype_arg_types accordingly.
        (store_parm_decls_oldstyle): Use
        current_function_prototype_arg_types for checking old-style
        definition against prototype.  Give warnings only if
        current_function_prototype_built_in).

2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>

        * ggc.h (ggc_alloc_zone_pass_stat): New macro.
        (ggc_alloc_zone_stat): Don't define.
        * ggc-zone.c (ggc_alloc_typed_stat, ggc_alloc_stat): Use
        ggc_alloc_zone_pass_stat.
        * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Likewise.
        * tree.c (make_node_stat, copy_node_stat, make_tree_binfo_stat)
        (make_tree_vec_stat, tree_cons_stat, build1_stat): Likewise.

2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>

        * calls.c (expand_call): Handle current_function_pretend_args_size
        when checking for sibcalls.

2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>

        PR tree-optimization/21294
        * tree-vrp.c (vrp_expr_computes_nonzero): New.
        (extract_range_from_expr): Call vrp_expr_computes_nonzero.

2005-05-02  Janis Johnson  <janis187@us.ibm.com>

        PR 19985
        * gcov-io.h: Declare gcov external functions hidden.

2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-uncprop.c (equiv_hash_elt, remove_equivalence,
        record_equiv, tree_ssa_uncprop, uncprop_into_successor_phis):
        Use VEC instead of VARRAY.
        (equiv_free): New.

        * tree-ssa-sink.c (nearest_common_dominator_of_uses): Factor
        out common code.

2005-05-02  Paolo Bonzini  <bonzini@gnu.org>

        * c-common.c (resolve_overloaded_builtin): Forward to target
        hook for BUILT_IN_MD built-ins.
        * c-typeck.c (finish_call_expr): Call resolve_overloaded_builtin
        for all types of built-in.
        * target-def.h (TARGET_RESOLVE_OVERLOADED_BUILTIN): New.  Use it
        in the definition of the target hooks struct.
        * target.h (struct gcc_target): Add resolve_overloaded_builtin.
        * config/rs6000/altivec.h: Rewritten.
        * config/rs6000/rs6000-c.c (struct altivec_builtin_types,
        altivec_resolve_overloaded_builtin, altivec_build_resolved_builtin,
        rs6000_builtin_type, rs6000_builtin_type_compatible,
        altivec_overloaded_builtins, rs6000_builtin_type,
        rs6000_builtin_type_compatible): New.
        * config/rs6000/rs6000.c (rs6000_builtin_types, rs6000_builtin_decls):
        New.
        (def_builtin): Turn into a function.  Check for duplicates and store
        the builtin into rs6000_builtin_decls.
        (bdesc_3arg, bdesc_dst, bdesc_altivec_preds, bdesc_2arg,
        bdesc_1arg): Add overloaded builtins.
        (altivec_expand_builtin): Check for unresolved overloaded builtins,
        do not support ALTIVEC_COMPILETIME_ERROR.
        (rs6000_init_builtins): Add opaque 128-bit vector, and internal
        nodes to represent front-end types.
        (altivec_init_builtins, rs6000_common_init_builtins): Create builtins
        with opaque arguments and/or return values.
        * config/rs6000/rs6000.h (enum rs6000_builtins): Remove
        ALTIVEC_COMPILETIME_ERROR and add Altivec overloaded builtins.
        (rs6000_builtin_type_index): New.
        (is_ev64_opaque_type): Rename to...
        (rs6000_is_opaque_type): ... this.
        (rs6000_cpu_cpp_builtins): Install the resolve_overloaded_builtin
        target hook.

2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>

        * function.c (reorder_blocks, reorder_blocks_1): Use VEC
        instead of VARRAY.

2005-05-02  Nathan Sidwell  <nathan@codesourcery.com>
            Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.c (emit_link_insn, effective_address_32bit_p,
        print_address_operand, print_operand, legitimize_pic_address,
        asm_conditional_branch, bfin_gen_compare, output_push_multiple,
        output_pop_multiple): Use gcc_assert or gcc_unreachable as
        appropriate.
        * config/bfin/bfin.md (movsf splitter, beq, bne): Likewise.

2005-05-02  Dorit Naishlos  <dorit@il.ibm.com>

        * doc/passes.texi: Document vectorization pass.

2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-scalar-evolution.c (get_exit_conditions_rec,
        select_loops_exit_conditions,
        number_of_iterations_for_all_loops,
        analyze_scalar_evolution_for_all_loop_phi_nodes,
        scev_analysis): Use VEC instead of VARRAY.

2005-05-02  Michael Matz  <matz@suse.de>

        PR c++/19542
        * c-common.c (c_common_nodes_and_builtins): Create global null_node.
        (warn_strict_null_sentinel): Define.
        (check_function_sentinel): Check for null_node as valid sentinel too.
        * c-common.h (c_tree_index): Added CTI_NULL.
        (null_node) Define global_tree[CTI_NULL].
        (warn_strict_null_sentinel): Declare.
        * c-opts.c: (c_common_handle_option): Handle -Wstrict-null-sentinel.
        * c.opt: (Wstrict-null-sentinel): New C++ option.
        * doc/invoke.texi (C++ Options): Document -Wstrict-null-sentinel.

2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>

        * gimplify.c (gimplify_compound_lval): Use VEC instead of
        VARRAY.

        * global.c (calculate_reg_pav): Use VEC instead of VARRAY.

        * dwarf2out.c (decl_scope_table, push_decl_scope,
        pop_decl_scope, scope_die_for, dwarf2out_init): Use VEC
        instead of VARRAY.

2005-05-01  Mark Mitchell  <mark@codesourcery.com>

        PR C++/14391
        * c-cppbuiltin.c (c_cpp_builtins): Do not define __GXX_WEAK__ to 1
        if !flag_weak.
        * doc/cpp.texi (__DEPRECATED): Document.
        (__EXCEPTIONS): Likewise.
        (__GXX_WEAK__): Likewise.

        * function.c (INVOKE__main): Do not define.
        (expand_main_function): Check HAS_INIT_SECTION when determining
        whether or not to call __main.

2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-loop-ivopts.c: Fix a comment typo.

2005-01-05  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.h (ARM_EMIT_TRAMPOLINE_CACHE_CLEAR): Define.
        (INITIALIZE_TRAMPOLINE): Use it.
        * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Remove.
        * config/arm/netbsd.h (INITIALIZE_TRAMPOLINE): Remove.
        * config/arm/netbsd-elf.h (INITIALIZE_TRAMPOLINE): Remove.

2005-05-01  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (Specific): Omit dots in the @anchors names
        for i?86-*-sco3.2v5*, i?86-*-solaris2.10, and sparc-sun-solaris2.7.
        Omit underscores for x86_64-*-* and the "all ELF targets" entry.

2005-05-01  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/18316
        PR tree-optimization/19126
        * tree.c (build_int_cst_type): Avoid shift by size of type.
        * tree-scalar-evolution.c (simple_iv): Add allow_nonconstant_step
        argument.
        * tree-scalar-evolution.h (simple_iv): Declaration changed.
        * tree-ssa-loop-ivopts.c (struct iv_cand): Add depends_on
        field.
        (dump_cand): Dump depends_on information.
        (determine_biv_step): Add argument to simple_iv call.
        (contains_abnormal_ssa_name_p): Handle case expr == NULL.
        (find_bivs, find_givs_in_stmt_scev): Do not require step to be a
        constant.
        (add_candidate_1): Record depends_on for candidates.
        (tree_int_cst_sign_bit, constant_multiple_of): New functions.
        (get_computation_at, get_computation_cost_at, may_eliminate_iv):
        Handle ivs with nonconstant step.
        (iv_ca_set_remove_invariants, iv_ca_set_add_invariants): New functions.
        (iv_ca_set_no_cp, iv_ca_set_cp): Handle cand->depends_on.
        (create_new_iv): Unshare the step before passing it to create_iv.
        (free_loop_data): Free cand->depends_on.
        (build_addr_strip_iref): New function.
        (find_interesting_uses_address): Use build_addr_strip_iref.
        (strip_offset_1): Split the recursive part from strip_offset.
        Strip constant offset component_refs and array_refs.
        (strip_offset): Split the recursive part to strip_offset_1.
        (add_address_candidates): Removed.
        (add_derived_ivs_candidates): Do not use add_address_candidates.
        (add_iv_value_candidates): Add candidates with stripped constant
        offset.  Consider all candidates with initial value 0 important.
        (struct affine_tree_combination): New.
        (aff_combination_const, aff_combination_elt, aff_combination_scale,
        aff_combination_add_elt, aff_combination_add,
        tree_to_aff_combination, add_elt_to_tree, aff_combination_to_tree,
        fold_affine_sum): New functions.
        (get_computation_at): Use fold_affine_sum.
        * tree-ssa-loop-manip.c (create_iv): Handle ivs with nonconstant step.
        * tree-ssa-loop-niter.c (number_of_iterations_exit): Add argument
        to simple_iv call.

2005-04-30  Michael Matz  <matz@suse.de>

        * config/i386/i386.md (movmemsi): Also active when
        TARGET_INLINE_ALL_STRINGOPS.

2005-04-30  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR bootstrap/20633
        * config/freebsd-spec.h (FBSD_CPP_SPEC): Add %(cpp_arch).

2005-04-30  Paul Brook  <paul@codesourcery.com>

        * config/arm/bpabi.h (RENAME_LIBRARY_SET): Always use .thumb_set in
        thumb mode.
        * config/arm/ieee754-df.S: Use __INTERWORKING_STUBS__.
        * config/arm/ieee754-sf.S: Ditto.
        * config/arm/lib1funcs.asm: Define and use __INTERWORKING_STUBS__.
        (FUNC_ALIAS): Use .thumb_set for thumb routines.

2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssanames.c: Fix a comment typo.
        * doc/options.texi: Fix a typo.

2005-04-30  Nathan Sidwell  <nathan@codesourcery.com>

        * config/h8300/h8300.c (byte_reg): Use gcc_assert and
        gcc_unreachable as appropriate.
        (split_adds_subs, cond_string, print_operand,
        h8300_initial_elimination_offset, h8300_classify_operand,
        h8300_unary_length, h8300_short_immediate_length,
        h8300_bitfield_length, h8300_binary_length,
        h8300_insn_length_from_table, compute_mov_length, output_plussi,
        compute_plussi_length, compute_plussi_cc, output_logical_op,
        compute_logical_op_length, compute_logical_op_cc,
        output_h8sx_shift, get_shift_alg, h8300_shift_needs_scratch_p,
        output_a_shift, compute_a_shift_length, compute_a_shift_cc,
        output_a_rotate, compute_a_rotate_length, fix_bit_operand,
        h8300_regs_ok_for_stm): Likewise.
        * config/h8300/h8300.md (*movsi_h8300, *movsf_h8300,
        monitor_prologue): Likewise.

2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>

        * loop-invariant.c (invariants, create_new_invariant,
        get_inv_cost, best_gain_for_invariant,
        find_invariants_to_move, move_invariants,
        init_inv_motion_data, free_inv_motion_data): Use VEC instead
        of VARRAY.

2005-04-29  Richard Henderson  <rth@redhat.com>

        * function.c (instantiate_decls): Remove valid_only argument.
        (instantiate_decls_1, instantiate_decl): Likewise.
        (instantiate_virtual_regs_1): Delete.
        (instantiate_virtual_regs_lossage): Delete.
        (instantiate_virtual_regs_in_rtx): New.
        (safe_insn_predicate): New.
        (instantiate_virtual_regs_in_insn): New.
        (instantiate_virtual_regs): Update to match all that.  Only run
        instantiate_decls once.

2005-04-29  Richard Henderson  <rth@redhat.com>
            Daniel Jacobowitz  <dan@codesourcery.com>

        * gengtype.c (write_func_for_structure): Split out ...
        (output_type_enum): ... new function.  Fix thinko accessing
        TYPE_PARAM_STRUCT data.

2005-04-29  Tom Tromey  <tromey@redhat.com>

        * tree.c (build_block): Removed unused 'tags' argument.
        * tree.h (build_block): Removed argument.

2005-04-29  Michael Matz  <matz@suse.de>

        PR rtl-optimization/21144
        * postreload.c (reload_cse_move2add): Check for VOIDmode.

2005-04-29  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.h (OPTIMIZATION_OPTIONS): Define to disable
        flag_reorder_blocks.

2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>

        PR tree-optimization/21030
        * tree-vrp.c (adjust_range_with_scev): Do not create invalid
        ranges where VR->MAX is smaller than VR->MIN.

2005-04-29  Devang Patel  <dpatel@apple.com>

        PR tree-optimization/21272
        PR tree-optimization/21266
        * tree-if-conv.c (find_phi_replacement_condition): Fix think-o.

2005-04-29  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-flow-inline.h: Fix a comment typo.
        * doc/tree-ssa.texi: Fix a typo.

        * tree-flow-inline.h, tree-ssa-operands.c: Fix comment typos.

2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>

        * config/fr30/fr30.c (fr30_expand_prologue): Use gcc_assert and
        gcc_unreachable as appropriate.
        (fr30_expand_epilogue, fr30_setup_incoming_varargs,
        fr30_print_operand, fr30_move_double): Likewise.
        * config/fr30/fr30.md (*movsi_internal, *movsf_internal): Likewise.

2005-04-29  Mark Mitchell  <mark@codesourcery.com>

        * config/arm/arm.h (ARM_EABI_CTORS_SECTION_OP): Do not define if a
        definition has already been provided.
        (ARM_EABI_DTORS_SECTION_OP): Likewise.
        * config/arm/symbian.h (ARM_EABI_CTORS_SECTION_OP): Define.
        (ARM_EABI_DTORS_SECTION_OP): Likewise.

2005-04-29  Jim Tison  <jtison@us.ibm.com>

        * config/s390/s390.md ("prologue_tpf", "epilogue_tpf"): Alter
        trace hooks calls to improve performance.

2005-04-29  Julian Brown  <julian@codesourcery.com>
            Mark Mitchell  <mark@codesourcery.com>
            Paul Brook  <paul@codesourcery.com>

        * crtstuff.c: Handle targets that use .init_array.
        * function.c (HAS_INIT_SECTION): Do not define. Instead, make sure
        that INVOKE__main is set correctly.
        (expand_main_function): Test INVOKE__main.
        * libgcc2.c: Do not define __main when using .init_array.
        * config/arm/arm.c (arm_elf_asm_constructor): New function.
        * config/arm/arm.h (CTORS_SECTION_ASM_OP): Define, with specialized
        libgcc version.
        (DTORS_SECTION_ASM_OP): Likewise.
        (CTOR_LIST_BEGIN): Define specially when in libgcc.
        (CTOR_LIST_END): Likewise.
        (DTOR_LIST_BEGIN): Likewise.
        (DTOR_LIST_END): Likewise.
        * config/arm/bpapi.h (INIT_SECTION_ASM_OP): Do not define it.
        (FINI_SECTION_ASM_OP): Likewise.
        (INIT_ARRAY_SECTION_ASM_OP): Define.
        (FINI_ARRAY_SECTION_ASM_OP): Likewise.
        * config/arm/elf.h (TARGET_ASM_CONSTRUCTOR): Define.
        (SUPPORTS_INIT_PRIORITY): Evaluate to false for EABI based targets.
        * doc/tm.texi (INIT_ARRAY_SECTION_ASM_OP): Document.
        (FINI_ARRAY_SECTION_ASM_OP): Likewise.

2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>

        * config/m68k/m68k.c (m68k_initial_elimination_offset): Use
        gcc_assert and gcc_unreachable as appropriate.
        (output_dbcc_and_branch, output_scc_di, legitimize_pic_address,
        const_int_cost, output_move_const_into_data_reg,
        output_move_qimode, output_move_double, find_addr_reg,
        print_operand, print_operand_address): Likewise.
        * config/m68k/m68k.md (adddi3, subdi3, negsf2, negdf2, abssf2,
        absdf2, sordered, sunordered, suneq, sunge, sungt, sunle, sunlt,
        sltgt, bordered, bunordered, buneq, bunge, bungt, bunle, bunlt,
        bltgt, *bordered_rev, *bunordered_rev, *buneq_rev, *bunge_rev,
        *bunle_rev, *bunlt_rev, *bltgt_rev, negxf2, absxf2,
        conditional_trap): Likewise.
        * config/m68k/m68kelf.h (ASM_OUTPUT_ALIGN): Remove unreachable code.

2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>

        * config/xtensa/xtensa.c (gen_int_relational): Use gcc_assert and
        gcc_unreachable as appropriate.
        (gen_conditional_move, xtensa_split_operand_pair,
        xtensa_split_operand_pair, xtensa_copy_incoming_a7,
        xtensa_copy_incoming_a7, xtensa_copy_incoming_a7,
        xtensa_copy_incoming_a7, xtensa_output_literal,
        xtensa_output_literal, xtensa_output_literal): Likewise.
        * config/xtensa/xtensa.h (INITIAL_ELIMINATION_OFFSET): Likewise.
        * config/xtensa/xtensa.md (*btrue, *bfalse, *ubtrue, *ubfalse,
        *bittrue, *bitfalse, *masktrue, *maskfalse, movsicc_internal0,
        movsicc_internal1, movsfcc_internal0,
        movsfcc_internal1): Likewise.

2005-04-28  James E Wilson  <wilson@specifixinc.com>

        * config/i386/i386.h (HI_REGISTER_NAMES): Fix typos in comment.
        (ADDITIONAL_REGISTER_NAMES): Delete obsolete mmx register entries.

2005-04-28  DJ Delorie  <dj@redhat.com>

        * opt-functions.awk (var_set): Emit proper initializer for
        non-target bitfields.

2005-04-28  Devang Patel  <dpatel@apple.com>

        * dbxout.c (have_used_extensions): Remove.
        (dbxout_type_fileds, dbxout_type, dbxout_symbol): Remove use of
        have_used_extensions.

2005-04-28  James E Wilson  <wilson@specifixinc.com>

        * doc/install.texi: Update -enable-languages info.  Correct path to
        html docs.

2005-04-28  DJ Delorie  <dj@redhat.com>

        * optc-gen.awk (END): Make sure no variable is defined more
        than once.
        * opth-gen.awk (END): Allocate bits on a per-variable basis.
        Allow for bitfield variables other than target_flags.
        * doc/options.text (Mask): Document that you may specify a
        variable other than target_flags.

2005-04-28  Martin Koegler <mkoegler@auto.tuwien.ac.at>

        PR rtl-optimization/18877
        * reload.c (decompose) <case REG, case SUBREG>: Handle pseudo reg
        number in val.start.

2005-04-28  David Edelsohn  <edelsohn@gnu.org>

        PR target/20813
        * config/rs6000/aix43.h (SUBSUBTARGET_SWITCHES, aix64): Add
        MASK_PPC_GFXOPT.
        * config/rs6000/aix51.h (SUBSUBTARGET_SWITCHES, aix64): Same.
        * config/rs6000/aix52.h (SUBSUBTARGET_SWITCHES, aix64): Same.
        * config/rs6000/sysv4.h (SUBTARGET_SWITCHES, 64): Same.

2005-04-28  Richard Earnshaw  <richard.earnshaw@arm.com>

        * arm.c (legitimize_pic_address): Fix sense of assertion test for
        creating pseudos when the base offset is too large.

2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>

        * global.c (earlyclobber_regclass): Change the type to
        VEC(int,heap).
        (check_earlyclobber): Update uses of earlyclobber_regclass.
        (mark_reg_use_for_earlyclobber): Likewise.
        (calculate_local_reg_bb_info): Allocate and free
        earlyclobber_regclass using the VEC API.

2005-04-28  Nathan Sidwell  <nathan@codesourcery.com>

        * tree-ssa-alias.c (push_fields_onto_fieldstack): Remove bogus
        assert.

2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>

        * modulo-sched.c, tree-stdarg.c: Use targetm.foo instead of
        (*targetm.foo).

        * config.gcc: Obsolete c4x-* and tic4x-*.

        * tree.h (edge_def): Remove.

        * bt-load.c, cfgexpand.c, dwarf2out.c, emit-rtl.c, expr.c,
        function.c, global.c, lcm.c, loop-invariant.c, optabs.c,
        reorg.c, resource.c, tree-ssa-loop-ivopts.c, value-prof.c: Use
        JUMP_P, LABEL_P, REG_P, MEM_P, NONJUMP_INSN_P, and INSN_P
        where appropriate.

        * attribs.c, c-pragma.c, caller-save.c, cfghooks.h,
        coverage.c, cselib.h, domwalk.c, domwalk.h, errors.c,
        errors.h, gcov-dump.c, gcov-io.c, gcov-io.h, gen-protos.c,
        genattrtab.h, genextract.c, gthr-win32.h, insn-notes.def,
        integrate.c, lambda-mat.c, lambda.h, libgcov.c, local-alloc.c,
        machmode.def, mips-tfile.c, params.c, pretty-print.c,
        print-rtl.c, protoize.c, regmove.c, sched-vis.c, tree-chrec.h,
        tree-data-ref.h, vec.h, config/darwin-c.c, config/sol2-c.c,
        config/sol2.c, config/arm/arm-cores.def, config/arm/cirrus.md,
        config/arm/symbian.h, config/c4x/c4x.c, config/c4x/c4x.h,
        config/i386/cygming.h, config/i386/djgpp.h,
        config/i386/lynx.h, config/i386/netware.c,
        config/i386/winnt.c, config/ia64/ia64-c.c,
        config/iq2000/iq2000.c, config/m32r/little.h,
        config/m68k/m68k-protos.h, config/m68k/m68k.h,
        config/m68k/m68k.md, config/mcore/mcore.c,
        config/mcore/mcore.h, config/mmix/mmix.c, config/mmix/mmix.md,
        config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
        config/mn10300/mn10300.h, config/ns32k/netbsd.h,
        config/ns32k/ns32k.c, config/ns32k/ns32k.h,
        config/pa/pa-hpux11.h, config/pdp11/pdp11.c,
        config/pdp11/pdp11.h, config/rs6000/darwin.h,
        config/rs6000/default64.h, config/rs6000/rs6000-c.c,
        config/s390/2064.md, config/s390/2084.md,
        config/s390/s390-modes.def, config/s390/s390-protos.h,
        config/s390/tpf.h, config/sh/sh.h, config/sh/symbian.c,
        config/stormy16/stormy16.c, config/vax/vax-protos.h,
        config/vax/vax.c, config/vax/vax.h,
        config/xtensa/lib1funcs.asm, config/xtensa/xtensa.md: Update
        copyright.

2005-04-28  Joseph S. Myers  <joseph@codesourcery.com>

        * c-typeck.c (build_compound_expr): Correct logic in last change.

2005-04-27  James E. Wilson  <wilson@specifixinc.com>

        * config/ia64/ia64.c (update_set_flags): Delete ppred and pcond
        parameters.  Replace conditional move code with assert checking for
        ar.lc.  Delete obsolete comments.
        (set_src_needs_barrier): Delete cond parameter, and code using it.
        (rtx_needs_barrier): Delete initialization of cond.  Fix typo in
        assert checking for PR_REGS.  Fix calls to update_set_flags and
        set_src_needs_barrier.
        (group_barrier_needed): Renamed from group_barrier_needed_p.  Fix all
        callers.  Rewrite explanatory comment before the function.
        (safe_group_barrier_needed): Renamed from safe_group_barrier_needed_p.
        Fix all callers.

2005-04-27  Mike Stump  <mrs@apple.com>

        * doc/cpp.texi: gcc now implements universal character names.

2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/21159
        * c-typeck.c (build_compound_expr): Don't warn for left-hand side
        being a compound expression whose right-hand side is cast to void.

2005-04-27  Caroline Tice  <ctice@apple.com>

        * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
        Remove targetm.have_named_sections test.
        (fix_edges_for_rarely_executed_code): Likewise.
        (insert_section_boundary_note): Likewise.
        (reorder_basic_blocks): Check partitioning flag before calling
        verify_hot_cold_block_grouping.
        * dbxout.c (dbxout_function_end): Get hot/cold section labels from
        the function struct rather than global variables.
        * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
        (COLD_END_LABEL): Likewise
        (cold_text_section_label): New static global variable.
        (cold_end_label): Likewise.
        (dwarf2out_switch_text_section): Get hot/cold section labels from
        the function struct rather than global variables; test to make sure
        cfun is defined.
        (output_aranges): Use cold_text_section_label and cold_end_label;
        check partitioning flag before putting out delta.
        (output_ranges): Remove incorrect code attempting to use
        hot/cold labels.
        (output_line_info): Get cold section label from function struct; test
        to make sure cfun is defined.
        (add_location_or_const_value_attribute): Likewise.
        (dwarf2out_var_location): Likewise.
        (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
        write out cold_text_section_label if partition flag is set.
        (dwarf2out_finish): Write out cold_end_label if partition flag is set;
        * function.h (struct function): Add new fields to point to hot/cold
        section labels: hot_section_label, cold_section_label,
        hot_section_end_label and cold_section_end_label; also add new field
        for cold text section name, unlikely_text_section_name.
        * opts.c (decode_options): Turn off partitioning flag if
        !targetm.have_named_sections.
        * output.h (hot_section_label): Remove.
        (hot_section_end_label): Remove.
        (cold_section_end_label): Remove.
        (unlikely_section_label): Remove.
        (unlikely_text_section_name): Remove.
        * passes.c (rest_of_handle_final):  Remove extra blank line.
        * varasm.c (unlikely_section_label): Remove.
        (hot_section_label): Remove.
        (hot_section_end_label): Remove.
        (cold_section_end_label): Remove.
        (unlikely_text_section_name):  Remove.
        (initialize_cold_section_name): Modify to call
        targetm.strip_name_encoding; to store cold section name in current
        function struct, if it exists; and to only use the decl_section_name
        if flag_named_sections is true.
        (unlikely_text_section): Modify to get section name out of current
        function struct, if there is one; otherwise build it from
        UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
        (in_unlikely_text_section): Likewise.
        (named_section): Modify to get/put cold section name in current function
        struct, if there is one.
        (function_section):  Change 'bool unlikely' to 'int reloc'; check
        targetm.have_named_sections before calling named_section.
        (current_function_section): Likewise.
        (assemble_start_function): Modify to get/put unlikely_text_section_name
        in current function struct; modify to get hot/cold section labels
        from function struct; initialize labels using
        ASM_GENERATE_INTERNAL_LABEL;
        test partitioning flag before writing out hot section label.
        (assemble_end_function): Test partitioning flag before writing out
        hot/cold section labels.
        (default_section_type_flags_1):  Get cold text section name from
        function struct if there is one; Set flags correctly for
        cold text section if there is not a current function struct.

2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>

        * tree-ssa-propagate.c (set_rhs): Revert last change.

2005-04-27  Steve Ellcey  <sje@cup.hp.com>

        * explow.c (convert_memory_address): Add gcc_assert.

2005-04-27  Mark Mitchell  <mark@codesourcery.com>

        * configure.ac: Check for ld --sysroot support.
        * gcc.c: Document %R specifier for specs.
        (SYSROOT_SPEC): New macro.
        (sysroot_spec): New variable.
        (static_specs): Add sysroot_spec.
        (main): Pass the sysroot spec to the linker if appropriate.
        * configure: Regenerated.
        * config.in: Likewise.

2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>

        * fold-const.c (fold_binary): Use build_fold_addr_expr
        for address calculation and INDIRECT_REF handling.

2005-04-27  Andrew Haley  <aph@redhat.com>

        * postreload-gcse.c (hash_scan_set): Remove bogus assertion.

2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>

        * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Reserve arm frame
        pointer when thumb backtracing is on.

        * config/fp-bit.c (abort): Revert change.

2005-04-27  Ian Lance Taylor  <ian@airs.com>

        * c-semantics.c (add_stmt): Don't test STATEMENT_CODE_P.

2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-dce.c: Fix a comment typo.

2005-04-27  David S. Miller  <davem@davemloft.net>

        * explow.c (allocate_dynamic_stack_space SETJMP_VIA_SAVE_AREA):
        Kill setjmpless_size.  current_function_calls_setjmp is completely
        computed when we are called, so just use the optimized size value
        instead of using REG_SAVE_AREA notes.
        (optimize_save_area_alloca): Delete....
        * rtl.h (optimize_save_area_alloca): Likewise...
        * passes.c (rest_of_compilation): and don't call it any more.
        * reg-notes.def (SAVE_AREA): Delete.

2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>

        * config/fp-bit.c (abort): Add noreturn attribute.

        * config/avr/avr.c (avr_naked_function_p): Use gcc_assert and
        gcc_unreachable as appropriate.
        (ptrreg_to_str, cond_string, avr_normalize_condition): Likewise.
        * config/avr/avr.h (ASM_OUTPUT_REG_PUSH,
        ASM_OUTPUT_REG_POP): Likewise.

2005-04-27  Paolo Bonzini  <bonzini@gnu.org>

        * tree-complex.c (expand_vector_operations_1): Do not build
        VIEW_CONVERT_EXPR's for the lhs.

2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>

        * config/pa/pa.h (PRINT_OPERAND_ADDRESS): Use gcc_assert, remove
        unnecessary noncanonical RTL handling.
        * config/pa/pa64-linux.h (INITIAL_ELIMINATION_OFFSET): Use
        gcc_assert and gcc_unreachable.

        * config/arm/arm.h (ARM_PRINT_OPERAND_ADDRESS): Use gcc_assert and
        gcc_unreachable as appropriate.
        (THUMB_PRINT_OPERAND_ADDRESS): Likewise.
        * config/arm/arm.c (arm_override_options, arm_compute_func_type,
        use_return_insn, const_ok_for_op, arm_gen_constant,
        arm_canonicalize_comparison, legitimize_pic_address,
        thumb_find_work_register, arm_load_pic_register, arm_rtx_costs_1,
        arm_cirrus_insn_p, cirrus_reorg, minmax_code,
        load_multiple_sequence, emit_ldm_seq, store_multiple_sequence,
        emit_stm_seq, arm_gen_movmemqi, arm_select_dominance_cc_mode,
        arm_select_cc_mode, arm_reload_in_hi, arm_reload_out_hi,
        move_minipool_fix_forward_ref, move_minipool_fix_backward_ref,
        dump_minipool, create_fix_barrier, push_minipool_fix, arm_reorg,
        fp_immediate_constant, fp_const_from_val, vfp_output_fstmx,
        output_call, output_mov_long_double_fpa_from_arm,
        output_mov_long_double_arm_from_fpa,
        output_mov_double_fpa_from_arm, output_mov_double_arm_from_fpa,
        output_move_double, arithmetic_instr, shift_op, int_log2,
        output_return_instruction, arm_output_function_prologue,
        arm_output_epilogue, arm_output_function_epilogue,
        emit_multi_reg_push, arm_get_frame_offsets,
        arm_compute_initial_elimination_offset, arm_expand_prologue,
        arm_print_operand, arm_assemble_integer, get_arm_condition_code,
        arm_final_prescan_insn, arm_init_iwmmxt_builtins,
        arm_expand_binop_builtin, thumb_pushpop, thumb_far_jump_used_p,
        thumb_compute_initial_elimination_offset,
        thumb_output_function_prologue, thumb_load_double_from_address,
        thumb_output_move_mem_multiple, thumb_reload_out_hi,
        arm_emit_vector_const, arm_dbx_register_number): Likewise.
        * config/arm/pe.c (arm_mark_dllexport, arm_mark_dllimport): Likewise.
        * config/arm/arm.md (thumb_extendhisi2,
        *thumb_extendhisi2_insn_v6, *thumb_extendqisi2,
        *thumb_extendqisi2_v6, movhi, *thumb_movhi_insn,
        thumb_movhi_clobber, movqi, *arm_buneq, *arm_bltgt,
        *arm_buneq_reversed, *arm_bltgt_reversed, suneq, sltgt): Likewise.
        * config/arm/cirrus.md (*cirrus_arm_movdi,
        *cirrus_movdf_hard_insn): Likewise.
        * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.

2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-flow.h (ssa_names): Change the type to VEC(tree,gc).
        (num_ssa_names): Use VEC_length.
        (ssa_names): Use VEC_index.
        * tree-ssanames.c (ssa_names): Change the type to
        VEC(tree,gc).
        (init_ssanames, fini_ssa_names, make_ssanames,
        release_ssa_name): Update uses of ssa_names.

        * dojump.c, emit-rtl.c, expmed.c, expr.c, stmt.c, stor-layout.c:
        Use fold_buildN instead of fold (buildN (...)).

2005-04-27  Devang Patel <dpatel@apple.com>

        * dbxout.c (dbxout_type): Check use_gnu_debug_info_extensions.

2005-04-27  Matt Thomas <matt@3am-software.com>
            Jan-Benedict Glaw <jbglaw@microdata-pos.de>

        * config/vax/vax.c (vax_rtx_costs): Whitespace cleanup.
        (vax_output_mi_thunk): Ditto.
        (vax_notice_cc_update): Ditto.
        (INDEX_REGISTER_P): Add trailing \.
        (BASE_REGISTER_P): Add trailing \.
        (legitimate_address_p): Whitespace cleanup.  Remove trailing \.

2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>

        * tree-ssa-propagate.c (set_rhs): Check operand of
        ADDR_EXPR for gimpliness, too.

2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-pre.c: Fix a comment typo.

2005-04-27  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/21171
        * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not
        record address uses if the reference is volatile.

2004-04-27  Paolo Bonzini  <bonzini@gnu.org>

        * tree-complex.c (expand_vector_operation): New, extracted from
        expand_vector_operations_1.
        (tree_vec_extract): Build a NOP_EXPR.
        (expand_vec_parallel): Do not care about returning the correct type.
        (expand_vector_operations_1): Call expand_vector_operation.
        Build the VIEW_CONVERT_EXPR on the left side of MODIFY_EXPRs.

        * tree-complex.c (gate_expand_vector_operations): New.
        (pass_lower_vector_ssa): Use it.
        * tree-optimize.c (init_tree_optimization_passes): Include
        pass_lower_vector_ssa.
        * tree-vect-transform.c (vect_min_worthwhile_factor): New.
        (vectorizable_operation): Use it.
        * tree-vectorizer.c (get_vectype_for_scalar_type): Accept
        integer modes for the vector type.

        * defaults.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
        * tree-vect-analyze.c (vect_enhance_data_refs_alignment):
        Do not cope with UNITS_PER_SIMD_WORD == 0.
        * tree-vectorizer.c (get_vectype_for_scalar_type): Check
        if the scalar type is not bigger than UNITS_PER_SIMD_WORD.
        (vectorize_loops): Do not check that UNITS_PER_SIMD_WORD > 0.
        * config/i386/i386.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
        * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
        * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
        * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.

        * config/alpha/alpha.h (UNITS_PER_SIMD_WORD): Remove.
        * config/bfin/bfin.h (UNITS_PER_SIMD_WORD): Remove.
        * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): Remove.

        * doc/tm.texi (UNITS_PER_WORD): Rephrase more accurately.
        (UNITS_PER_SIMD_WORD): New.

2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>

        * config/ia64/ia64.c (ia64_encode_addr_area): Use gcc_assert and
        gcc_unreachable as appropriate.
        (ia64_expand_load_address, ia64_expand_tls_address,
        ia64_split_tmode, ia64_split_tmode_move, ia64_expand_compare,
        ia64_expand_vecint_compare, ia64_expand_vecint_minmax,
        next_scratch_gr_reg, ia64_initial_elimination_offset,
        ia64_expand_prologue, ia64_expand_epilogue,
        ia64_output_dwarf_dtprel, ia64_print_operand,
        ia64_register_move_cost, first_instruction, rws_access_regno,
        update_set_flags, rtx_needs_barrier, group_barrier_needed_p,
        ia64_sched_init, ia64_variable_issue,
        ia64_first_cycle_multipass_dfs_lookahead_guard,
        ia64_dfa_new_cycle, issue_nops_and_insn, get_template, bundling,
        ia64_st_address_bypass_p, ia64_ld_address_bypass_p, process_set,
        process_for_unwind_directive, ia64_hpux_file_end): Likewise.
        * config/ia64/ia64.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
        * config/ia64/ia64.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
        * config/ia64/predicates.md (got_symbolic_operand,
        sdata_symbolic_operand): Likewise.
        * config/ia64/vect.md (vcondv2sf): Likewise.

2005-04-27  Matt Thomas <matt@3am-software.com>

        * config/vax/vax.c (legitimate_constant_address_p): New.  Formerly
        CONSTANT_ADDRESS_P in config/vax/vax.h
        (legitimate_constant_p): Added.  Formerly CONSTANT_P in vax.h.
        (INDEX_REGISTER_P): New.
        (BASE_REGISTER_P): New.
        (indirectable_constant_address_p): New.  Adapted from
        INDIRECTABLE_CONSTANT_ADDRESS_P in vax.h. Use SYMBOL_REF_LOCAL_P.
        (indirectable_address_p): New.  Adapted from
        INDIRECTABLE_ADDRESS_P in vax.h.
        (nonindexed_address_p): New.  Adapted from
        GO_IF_NONINDEXED_ADDRESS in vax.h.
        (index_temp_p): New.  Adapted from INDEX_TERM_P in vax.h.
        (reg_plus_index_p): New.  Adapted from GO_IF_REG_PLUS_INDEX in vax.h.
        (legitimate_address_p): New.  Adapted from
        GO_IF_LEGITIMATE_ADDRESS in vax.h.
        (vax_mode_dependent_address_p): New.  Adapted from
        GO_IF_MODE_DEPENDENT_ADDRESS in vax.h.
        * config/vax/vax.h (CONSTANT_ADDRESS_P): Use
        legitimate_constant_address_p.
        (CONSTANT_P): Use legitimate_constant_p.
        (INDIRECTABLE_CONSTANT_ADDRESS_P): Removed.
        (INDIRECTABLE_ADDRESS_P): Removed.
        (GO_IF_NONINDEXED_ADDRESS): Removed.
        (INDEX_TEMP_P): Removed.
        (GO_IF_REG_PLUS_INDEX): Removed.
        (GO_IF_LEGITIMATE_ADDRESS): Use legitimate_address_p. Two
        definitions, depending on whether REG_OK_STRICT is defined.
        (GO_IF_MODE_DEPENDENT_ADDRESS): Use vax_mode_dependent_address_p.
        Two definitions, depending on whether REG_OK_STRICT is defined.
        * config/vax/vax-protos.h (legitimate_constant_address_p): Prototype
        added.
        (legitimate_constant_p): Prototype added.
        (legitimate_address_p): Prototype added.
        (vax_mode_dependent_address_p): Prototype added.

2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>

        * tree.h (phi_arg_d): Expand a comment in phi_arg_d.

2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/21213
        * c-decl.c (finish_struct): Don't dereference NULL TYPE_FIELDS of
        transparent union.

2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/20740
        * c-format.c (init_dynamic_asm_fprintf_info): Give errors, not
        assertion failures, if __gcc_host_wide_int__ is not properly
        defined.
        (init_dynamic_diag_info): Give errors, not assertion failures, if
        location_t, tree or __gcc_host_wide_int__ are not properly
        defined.

2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-loop-ivopts.c (ivopts_data, decl_rtl_to_reset,
        n_iv_uses, iv_use, n_iv_cands, iv_cand,
        tree_ssa_iv_optimize_init, record_use, add_candidate_1,
        prepare_decl_rtl, free_loop_data,
        tree_ssa_iv_optimize_finalize): Use the VEC API instead of
        VARRAY.

        * tree.h (tree_phi_node): Add a comment about the order of PHI
        arguments.

2005-04-26  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.md (thumb_mulsi3): Use two-operand assembly form.

2005-04-26  Nathan Sidwell  <nathan@codesourcery.com>

        * config/mips.mips.c (mips_legitimize_tls_address): Use
        gcc_unreachable.

        * config/mmix/mmix.c (mmix_assemble_integer): Use gcc_assert.
        * config/mmix/crti.asm (_init): Reword comment to avoid 'abort'.
        * config/mmix/mmix.md (nonlocal_goto_receiver): Likewise.

        * config/sparc/sparc.h (enum reg_class): Reword comment to avoid
        'abort'.

2005-04-26  Jeff Law  <law@redhat.com>

        * tree-flow-inline.h (op_iter_next_must_and_may_def): New.
        (op_iter_init_must_and_may_def): Likewise.
        (unmodifiable_var_p): Move to a later point in the file.
        * tree-ssa-operands.h (FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): New.
        * tree-ssa-dse.c (need_imm_uses_for): Remove, no longer needed.
        (dse_record_phis): Directly check for virtual operands rather than
        using need_imm_uses_for.
        (dse_optimize_stmt): Handle V_MUST_DEF operands.  Handle case where
        store has multiple V_{MAY,MUST}_DEF operands.

2005-04-26  Andrew MacLeod  <amacleod@redhat.com>

        * tree-cfg.c (bsi_replace): Delink immediate uses for the original
        stmt.

2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (lv_adjust_loop_header_phi): Speed up moving a
        call to find_edge outside a loop to go through a PHI chain.

2004-04-26  Richard Guenther  <rguenth@gcc.gnu.org>

        PR tree-optimization/17598
        * fold-const.c (fold_binary): Fold comparisons of addresses
        of COMPONENT_REFs which reference the same field to
        comparisons of the addresses of the base objects.

2005-04-26  Julian Brown  <julian@codesourcery.com>

        * config/arm/arm.c (arm_return_in_msb): New function.
        (arm_must_pass_in_stack): New function.
        (TARGET_RETURN_IN_MSB): Define target hook.
        (TARGET_MUST_PASS_IN_STACK): Define target hook.
        (arm_function_value): Pad small aggregate return.
        (arm_pad_arg_upward): New function.
        (arm_pad_reg_upward): New function.
        * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Include complex values.
        (FUNCTION_ARG_PADDING): Define macro.
        (BLOCK_REG_PADDING): Define macro.
        (PAD_VARARGS_DOWN): Correct padding for AAPCS.
        * config/arm/arm-protos.h (arm_pad_arg_upward): Declare function.
        (arm_pad_reg_upward): Declare function.

2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>

        * basic-block.h (ei_cond): New.
        (FOR_EACH_EDGE): Call ei_cond.

        PR tree-optimization/21047
        * fold-const.c (fold_binary): Abort on ASSERT_EXPR.
        (fold): Don't handle ASSERT_EXPR.

2005-04-25  Roger Sayle  <roger@eyesopen.com>

        * sched-deps.c (sched_analyze_1): On STACK_REGS targets, x87, treat
        all writes to any stack register as a read/write dependency on
        FIRST_STACK_REG.
        (sched_analyze_2): Likewise, for reads from any stack register.

2005-04-25  Richard Henderson  <rth@redhat.com>

        * final.c (output_addr_const): Revert 2005-04-09 change.

2005-04-25  Mike Stump  <mrs@apple.com>

        * config/darwin.c (darwin_encode_section_info): Always set
        MACHO_SYMBOL_STATIC for all ! TREE_PUBLIC symbols.

2005-04-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * collect2.c, gcc.c, gcov-dump.c, gcov.c, gen-protos.c,
        gensupport.c, protoize.c, toplev.c: Replace calls to
        `unlock_stream' with `unlock_std_streams'.

2005-04-25  Devang Patel <dpatel@apple.com>

        * dbxout.c (dbxout_type): Emit attribute vector.

2005-04-05  Paul Brook  <paul@codesourcery.com>

        * target-def.h (TARGET_CXX_USE_AEABI_ATEXIT): Define.
        * target.h (struct gcc_target): Add cxx.use_aeabi_atexit.
        * config/arm/arm.c (arm_cxx_atexit_name): New function.
        (TARGET_CXX_USE_AEABI_ATEXIT): New macro.
        * cp/decl.c (get_atexit_node): Reorder arguments for __aeabi_atexit.
        (register_dtor_fn): Likewise.
        * doc/tm.texi: Document TARGET_CXX_USE_AEABI_ATEXIT.

2005-04-25  Ian Lance Taylor  <ian@airs.com>

        * c-common.def (EXPR_STMT): Remove, moved to C++ frontend.
        * c-common.h (EXPR_STMT_EXPR): Don't define.
        (c_common_stmt_codes): Don't define.
        * c-dump.c (c_dump_tree): Remove EXPR_STMT case.
        * c-gimplify.c (gimplify_expr_stmt): Remove.
        (c_gimplify_expr): Remove EXPR_STMT case.
        * c-objc-common.c (c_objc_common_init): Remove stmt_codes and call
        to INIT_STATEMENT_CODES.
        * c-pretty-print.c (pp_c_statement): Just call dump_generic_node.

2005-04-25  Jan Hubicka  <jh@suse.cz>

        * tree-cfg.c (tree_duplicate_bb): Duplicate EH region too.

        * except.c: Include diagnostic.h
        (dump_eh_tree, verify_eh_tree): New functions.
        * except.h (verify_eh_tree, dump_eh_tree, verify_eh_edges): Declare.
        * tree-cfg.c (tree_verify_flow_info): verify eh edges.
        (dump_function_to_file): dump eh tree.
        * tree-eh.c (mark_eh_edge): New function.
        (mark_eh_edge_found_error): New static variable.
        (verify_eh_edges): New function.

2005-04-25  Nathan Sidwell  <nathan@codesourcery.com>

        * tree-ssa-alias.c (fieldoff_t): Remove.
        (fieldoff_s): typedef the structure itself.  Create a vector of
        objects.
        (push_fields_onto_fieldstack): Return count of fields pushed.
        Remove peeling of first field.  Adjust.
        (fieldoff_compare): Adjust.
        (create_overlap_variables_for): Adjust.

2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>

        * doc/invoke.texi (Blackfin Options): Avoid empty @opindex line.

2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>

        PR bootstrap/21215
        * doc/install.texi: Document correct assembler and linker to use
        on i?86-*-solaris2.10.

2005-04-25  Steven Bosscher  <stevenb@suse.de>

        Fix PR tree-optimization/21173

        * tree-ssa-pre.c (create_expression_by_pieces): Simplify code.
        Unshare expression we pass to force_gimple_operand.

2005-04-25  J"orn Rennecke <joern.rennecke@st.com>
            Stephen Clarke <stevec@superh.com>
            Roger Sayle <roger@eyesopen.com>

        PR rtl-optimization/20413
        * cfgrtl.c (redirect_edge_and_branch): Use Pmode instead of
        VOIDmode for LABEL_REF.
        * final.c (shorten_branches): Likewise.
        * jump.c (mark_all_labels, redirect_exp_1): Likewise.
        * loop.c (reg_dead_after_loop): Likewise.
        * varasm.c (decode_addr_const): Likewise.
        * doc/rtl.texi: Document mode requirement for LABEL_REF.

2005-04-25  Ralf Corsepius  <ralf.corsepius@rtems.org>

        * config.gcc (avr-*-*): Remove redundant "case".

2005-04-25  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-vect-analyze.c (vect_mark_relevant): Take
        VEC(tree,heap) instead of varray_type as an argument.
        (vect_mark_stmts_to_be_vectorized): Change the type of
        worklist to VEC(tree,heap).  Adjust uses of worklist.

2005-04-24  Devang Patel  <dpatel@apple.com>

        *  config/rs6000/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.

2005-04-24  Ian Lance Taylor  <ian@airs.com>

        * c-semantics.c (build_stmt): Remove test of specific tree codes
        for TREE_SIDE_EFFECTS handling.

2005-04-24  Per Bothner  <per@bothner.com>

        * c-opts.c (finish_options):  Make the line-number of the <built-in>
        location 0, as assumed elsewhere, rather than 1.

2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-uncprop.c (equiv_stack): Change the type o
        VEC(tree,heap).
        (tree_ssa_uncprop, uncprop_finalize_block,
        uncprop_initialize_block): Update uses of equiv_stack.

2005-04-24  Richard Henderson  <rth@redhat.com>

        PR rtl-opt/21163
        * simplify-rtx.c (simplify_binary_operation) <IOR>: Check
        for SCALAR_INT_MODE_P instead of not MODE_CC before returning
        constm1_rtx.
        <AND, LSHIFTRT, UMIN>: Use CONST0_RTX.
        <UDIV, UMOD>: Use CONST0_RTX and CONST1_RTX.
        <DIV, MOD>: Likewise.

2005-04-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * collect2.c (main): Unlock the stdio streams.
        * gcc.c (main): Likewise.
        * gcov-dump.c (main): Likewise.
        * gcov.c (main): Likewise.
        * gen-protos.c (main): Likewise.
        * gensupport.c (init_md_reader_args_cb): Likewise.
        * protoize.c (main): Likewise.
        * toplev.c (general_init): Likewise.

2005-04-24  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/20991
        * cgraph.h (cgraph_local_info): Add vtable_method field.
        * varasm.c (mark_decl_referenced): If cgraph_global_info_ready
        and node is vtable_method, finalized and not reachable, don't do
        anything.

2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Use
        COMPARISON_CLASS_P.
        * tree-ssa-pre.c (create_value_expr_from): Use
        CONSTANT_CLASS_P and REFERENCE_CLASS_P.
        * tree-ssa-propagate.c (stmt_makes_single_load,
        stmt_makes_single_store): Use REFERENCE_CLASS_P.
        * tree-vect-transform.c (vect_is_simple_cond): Use
        COMPARISON_CLASS_P.
        * tree-vrp.c (extract_range_from_assert,
        build_assert_expr_for, fp_predicate, has_assert_expr): Use
        COMPARISON_CLASS_P.

        * tree-ssa-live.c (build_tree_conflict_graph): Change the type
        of tpa_to_clear to VEC(int,heap).  Update uses of
        tpa_to_clear.  Free tpa_to_clear at the end.

2005-04-24  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree.h (TREE_THIS_VOLATILE): Document the effect on a
        function decl.

2005-04-24  Nathan Sidwell  <nathan@codesourcery.com>

        * config/rs6000/rs6000.c (rs6000_override_options): Use gcc_assert
        and gcc_unreachable as appropriate.
        (num_insns_constant, output_vec_const_move,
        build_mask64_2_operands, rs6000_output_dwarf_dtprel,
        rs6000_emit_set_const, rs6000_emit_move,
        spe_build_register_parallel, function_arg,
        rs6000_move_block_from_reg, altivec_expand_predicate_builtin,
        spe_expand_predicate_builtin, spe_expand_evsel_builtin,
        rs6000_expand_builtin, spe_init_builtins, altivec_init_builtins,
        rs6000_common_init_builtins, expand_block_clear,
        expand_block_move, validate_condition_mode, ccr_bit, extract_MB,
        extract_ME, rs6000_get_some_local_dynamic_name,
        rs6000_output_function_entry, print_operand,
        print_operand_address, rs6000_generate_compare, rs6000_emit_sCOND,
        output_cbranch, output_e500_flip_gt_bit,
        rs6000_emit_vector_compare, rs6000_emit_vector_compare,
        rs6000_emit_cmove, rs6000_emit_minmax, rs6000_split_multireg_move,
        compute_save_world_info, rs6000_stack_info,
        rs6000_emit_load_toc_table, rs6000_frame_related,
        spe_synthesize_frame_save, rs6000_emit_epilogue,
        rs6000_output_function_epilogue, rs6000_hash_constant, output_toc,
        output_function_profiler, rs6000_trampoline_size,
        rs6000_initialize_trampoline, find_addr_reg,
        rs6000_machopic_legitimize_pic_address,
        rs6000_initial_elimination_offset,
        rs6000_dbx_register_number): Likewise.
        * config/rs6000/rs6000.md (*fix_truncdfsi2_internal,
        *movdf_hardfloat32, *movdf_softfloat32, *fix_trunctfsi2_internal,
        *movti_power, *movti_string, call, call_value, sibcall,
        sibcall_value): Likewise.
        * config/rs6000/spe.md (*movdf_e500_double,
        *movv2si_internal): Likewise.
        * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): Remove 'abort'
        from comment.

2005-04-24  Richard Henderson  <rth@redhat.com>

        PR target/21101
        * config/i386/i386.h (CANNOT_CHANGE_MODE_CLASS): Move guts to ...
        * config/i386/i386.c (ix86_cannot_change_mode_class): ... here.
        Deny modes smaller than 4 bytes.
        * config/i386/i386-protos.h: Update.

2005-04-24  Ralf Corsepius  <ralf.corsepius@rtems.org>

        * config.gcc (h8300-*-rtems*): Add h8300-*-rtemscoff*.
        Switch h8300-*-rtems* to ELF.

2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>

        * vec.h (VEC_safe_grow): Replace grow with safe_grow.

2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>

        * ipa-inline.c, tree-ssa-operands.h: Fix comment typos.

2005-04-23  Richard Guenther  <rguenth@gcc.gnu.org>

        PR middle-end/21082
        * fold-const.c: Fold &a[i]-&a[j] to i-j.

2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-ssa-loop-niter.c (tree_simplify_using_condition): Expand simple
        definitions of ssa names in condition.  Split recusive part to ...
        (tree_simplify_using_condition_1): New function.
        (expand_simple_operations): New function.

2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-ssa-loop-ivopts.c (struct cost_pair): Add value field.
        (find_interesting_uses_cond): Do not use integer_zerop and
        integer_nonzerop to check for integer constants.
        (set_use_iv_cost): Record the value field.
        (determine_use_iv_cost_generic, determine_use_iv_cost_address,
        determine_use_iv_cost_outer): Set the value field of the cost pair.
        (may_eliminate_iv): Do not return the comparison code.
        (iv_elimination_compare): New function.
        (determine_use_iv_cost_condition): Set the value field.  Record
        noneliminable invariants correctly.
        (rewrite_use_compare, rewrite_use_outer): Use the value field.

2005-04-23  DJ Delorie  <dj@redhat.com>

        * diagnostic.c (warning): Accept parameter to classify warning option.
        (warning0): New, for when a pointer to an error() like function is needed.
        * errors.c (warning): Likewise.
        * errors.h (warning, warning0): Adjust prototypes.
        * toplev.h (warning, warning0): Likewise.

        * attribs.c, builtins.c, c-common.c, c-decl.c, c-format.c,
        c-gimplify.c, c-lex.c, c-objc-common.c, c-opts.c, c-parser.c,
        c-pragma.c, c-typeck.c, calls.c, cgraph.c, coverage.c, emit-rtl.c,
        fold-const.c, fortran/trans-decl.c, function.c, gcse.c,
        genautomata.c, haifa-sched.c, opts.c, passes.c, regclass.c,
        reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
        tree-dump.c, tree-inline.c, tree-mudflap.c, tree-optimize.c,
        tree-ssa.c, tree.c, varasm.c: Adjust warning() callers.

        * config/alpha/alpha.c, config/arc/arc.c, config/arm/arm.c,
        config/avr/avr.c, config/bfin/bfin.c, config/c4x/c4x-c.c,
        config/c4x/c4x.c, config/cris/cris.c, config/darwin-c.c,
        config/darwin.c, config/darwin.h, config/h8300/h8300.c,
        config/i386/cygming.h, config/i386/djgpp.h, config/i386/i386.c,
        config/i386/winnt.c, config/ia64/ia64-c.c, config/ia64/ia64.c,
        config/ip2k/ip2k.c, config/m32r/m32r.c, config/m68hc11/m68hc11.c,
        config/m68k/m68k.c, config/mcore/mcore.c, config/mips/mips.c,
        config/mmix/mmix.c, config/ns32k/ns32k.c, config/pa/pa-hpux11.h,
        config/pa/pa.c, config/rs6000/aix43.h, config/rs6000/aix51.h,
        config/rs6000/aix52.h, config/rs6000/darwin.h,
        config/rs6000/rs6000-c.c, config/rs6000/rs6000.c,
        config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
        config/sh/symbian.c, config/sol2-c.c, config/sol2.c,
        config/stormy16/stormy16.c, config/v850/v850-c.c,
        config/v850/v850.c, config/xtensa/xtensa.c: Adjust warning()
        callers.

2005-04-23  Richard Henderson  <rth@redhat.com>

        PR rtl-opt/21102
        * simplify-rtx.c (simplify_binary_operation): Fix mode check before
        performing some integral scalar simplifications.

2005-04-23  Richard Henderson  <rth@redhat.com>

        PR target/21099
        * config/i386/i386.c (ix86_split_to_parts): Use proper mode when
        simplifying CONST_VECTOR.

2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-live.c (live_worklist): Take a stack allocated on
        heap as an argument.  Update uses of stack.
        (calculate_live_on_entry): Allocate stack on heap.

        * tree-ssa-live.c (build_tree_conflict_graph): Allocate
        partition_link and tpa_nodes on heap.

        * tree-ssa-dce.c (worklist): Change to VEC(tree,heap).
        (mark_stmt_necessary, propagate_necessity,
        mark_really_necessary_kill_operand_phis): Update uses of
        worklist.
        (tree_dce_init): Allocate worklist using VEC_alloc.
        (tree_dce_done): Free worklist using VEC_free.

2005-04-23  Mike Stump  <mrs@apple.com>

        * config/darwin.c (machopic_indirection_name): Don't use
        quotes needlessly.
        (darwin_emit_unwind_label): Use user_label_prefix instead of
        "_".

2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>

        * final.c, ipa-inline.c, varasm.c: Fix comment typos.

2005-04-23  Hans-Peter Nilsson  <hp@axis.com>

        * config.gcc <cris-*>: Specify .opt files.
        * config/cris/cris.opt, config/cris/elf.opt, config/cris/aout.opt,
        config/cris/linux.opt: New files.
        * config/cris/aout.h (CRIS_SUBTARGET_SWITCHES)
        (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
        (TARGET_ELF): Override to 0.
        (CRIS_SUBTARGET_HANDLE_OPTION): Override to handle -melinux and
        -melinux-stacksize=N.
        * config/cris/cris.c: (cris_handle_option): New function.
        (TARGET_DEFAULT_TARGET_FLAGS): Override.
        (TARGET_HANDLE_OPTION): Override to cris_handle_option.
        (cris_override_options): Use MASK_*, not TARGET_MASK_*.
        * config/cris/cris.h (TARGET_MASK_SVINTO, TARGET_SVINTO,
        (TARGET_MASK_CCINIT, TARGET_CCINIT, TARGET_MASK_PDEBUG)
        (TARGET_PDEBUG, TARGET_MASK_SIDE_EFFECT_PREFIXES)
        (TARGET_SIDE_EFFECT_PREFIXES, TARGET_MASK_EXPAND_MUL)
        (TARGET_EXPAND_MUL, TARGET_MASK_STACK_ALIGN, TARGET_STACK_ALIGN)
        (TARGET_MASK_CONST_ALIGN, TARGET_CONST_ALIGN)
        (TARGET_MASK_DATA_ALIGN, TARGET_DATA_ALIGN)
        (TARGET_MASK_PROLOGUE_EPILOGUE, TARGET_PROLOGUE_EPILOGUE)
        (TARGET_MASK_ETRAX4_ADD, TARGET_ETRAX4_ADD)
        (TARGET_MASK_ALIGN_BY_32, TARGET_ALIGN_BY_32, TARGET_MASK_ELF)
        (TARGET_ELF, TARGET_MASK_LINUX, TARGET_LINUX)
        (TARGET_MASK_AVOID_GOTPLT, TARGET_AVOID_GOTPLT)
        (TARGET_MASK_MUL_BUG, TARGET_MUL_BUG, TARGET_SWITCHES)
        (CRIS_SUBTARGET_SWITCHES, TARGET_OPTIONS)
        (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
        (TARGET_LINUX): Define 0.
        (TARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
        (CRIS_SUBTARGET_DEFAULT): Define to 0, not TARGET_MASK_ELF.
        (CRIS_SUBTARGET_DEFAULT): New empty default macro.
        * config/cris/linux.h (CRIS_SUBTARGET_SWITCHES): Don't define.
        (TARGET_LINUX): Override to 1.
        (CRIS_SUBTARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.

2005-04-23  Nathan Sidwell  <nathan@codesourcery.com>

        * haifa-sched.c (schedule_block): Fix thinko in previous
        assertification patch.

2005-04-23  Richard Sandiford  <rsandifo@redhat.com>

        * config.gcc (hppa[12]*-*-hpux10*): Add pa/pa-hpux.opt to
        $extra_options.  Also add pa/pa-hpux1010.opt for hpux10.[1-9]*.
        (hppa*64*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
        pa/pa-hpux.opt, pa/pa-hpux1010.opt and pa/pa64-hpux.opt to
        $extra_options.  Also add pa/pa-hpux1111.opt for hpux11.[1-9]*.
        (hppa[12]*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
        pa/pa-hpux.opt to $extra_options.  Also add pa/pa-hpux1111.opt
        for hpux11.[1-9]*.
        * config/pa/pa.h (architecture_type, rtx_def, pa_arch_string, pa_arch)
        (pa_fixed_range_string, pa_cpu_string, pa_unix_string, target_flags)
        (MASK_PA_11, MASK_DISABLE_FPREGS, TARGET_DISABLE_FPREGS)
        (MASK_NO_SPACE_REGS, TARGET_NO_SPACE_REGS, MASK_JUMP_IN_DELAY)
        (TARGET_JUMP_IN_DELAY, MASK_DISABLE_INDEXING, TARGET_DISABLE_INDEXING)
        (MASK_PORTABLE_RUNTIME, TARGET_PORTABLE_RUNTIME, MASK_GAS, TARGET_GAS)
        (MASK_SOFT_FLOAT, TARGET_SOFT_FLOAT, MASK_LONG_LOAD_STORE)
        (TARGET_LONG_LOAD_STORE, MASK_FAST_INDIRECT_CALLS)
        (TARGET_FAST_INDIRECT_CALLS, MASK_BIG_SWITCH, TARGET_BIG_SWITCH)
        (MASK_PA_20, MASK_SIO, TARGET_SIO, MASK_GNU_LD, TARGET_GNU_LD)
        (MASK_LONG_CALLS, TARGET_LONG_CALLS, TARGET_PA_11, TARGET_PA_20)
        (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS)
        (SUBTARGET_OPTIONS): Delete.
        (TARGET_PA_10): Redefine in terms of TARGET_PA_11 and TARGET_PA_20.
        (TARGET_SCHED_DEFAULT): Define to a PROCESSOR_* enum (PROCESSOR_8000)
        instead of a string.
        * config/pa/pa.c (pa_arch, pa_arch_string, pa_fixed_range_string)
        (pa_cpu_string, pa_unix_string): Delete.
        (pa_cpu): Initialize to TARGET_SCHED_DEFAULT.
        (flag_pa_unix): Initialize based on TARGET_HPUX_11_11 and
        TARGET_HPUX_10_10.
        (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
        (pa_handle_option): New function.
        (override_options): Remove handling of -march=, -mfixed-range=,
        -mschedule= and -munix=.
        * config/pa/pa-hpux.h (SUBTARGET_SWITCHES): Delete.
        * config/pa/pa-hpux1010.h (SUBTARGET_OPTIONS): Delete.
        * config/pa/pa-hpux10.h (SUBTARGET_OPTIONS): Delete.
        * config/pa/pa-hpux1111.h (SUBTARGET_OPTIONS): Delete.
        * config/pa/pa-hpux11.h (SUBTARGET_OPTIONS): Delete.
        * config/pa/pa64-hpux.h (SUBTARGET_SWITCHES): Delete.
        * config/pa/pa64-start.h (TARGET_PA_11, TARGET_PA_20): #undef before
        redefining.
        * config/pa/pa.opt: New file.
        * config/pa/pa-hpux.opt: New file.
        * config/pa/pa-hpux1010.opt: New file.
        * config/pa/pa-hpux1111.opt: New file.
        * config/pa/pa64-hpux.opt: New file.

2005-04-22  David S. Miller  <davem@davemloft.net>

        * rtl.h (CONST_DOUBLE): Fix comment, a CONST_DOUBLE holds an
        integer when it's mode is VOIDmode not DImode.

2005-04-22  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/rs6000.md (sync_add<mode>_internal,
        sync_addshort_internal, sync_sub<mode>_internal, sync_andsi_internal,
        sync_anddi_internal, sync_boolsi_internal, sync_booldi_internal,
        sync_boolc<mode>_internal, sync_boolc<mode>_internal2,
        sync_boolcc<mode>_internal, sync_lock_test_and_set<mode>): Use
        "bne- $-xxx" rather than local labels.
        (sync_lock_release<mode>): Add second operand.
        (lwsync): Use .long rather than a more meaningful opcode.
        * doc/md.texi (Standard Names): Add description of second
        parameter to sync_lock_test_and_set.

2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>

        PR tree-optimization/21088
        * fold-const.c (fold_unary, fold_binary, fold_ternary):
        Export.
        * tree-vrp.c (compare_values): Use fold_binary to compare
        pointers.  Use boolean_type_node as the type of a comparison
        expression being folded.
        * tree.h: Add prototypes for fold_unary, fold_binary,
        fold_ternary.

        * tree-ssa-dom.c: Fix formatting.

2005-04-22  Diego Novillo  <dnovillo@redhat.com>

        * Makefile.in (tree-into-ssa.o): Add dependency on PARAMS_H.
        * lambda-code.c (perfect_nestify): Mark virtual operands in
        the moved statement for renaming.
        * params.def (PARAM_MIN_VIRTUAL_MAPPINGS): Define.
        (PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
        * params.h (MIN_VIRTUAL_MAPPINGS): Define.
        (VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
        * tree-flow.h (struct var_ann_d): Update comments.
        (rewrite_to_new_ssa_names_bb, rewrite_to_new_ssa_names,
        allocate_ssa_names, find_phi_node_for, dump_tree_ssa,
        debug_tree_ssa, debug_def_blocks, dump_tree_ssa_stats,
        debug_tree_ssa_stats, rewrite_ssa_into_ssa,
        dump_repl_tbl, debug_repl_tbl, dump_names_replaced_by,
        debug_names_replaced_by): Remove declarations.
        (delete_update_ssa, get_current_def, set_current_def): Declare.
        (rewrite_into_loop_closed_ssa): Add new argument.  Update
        all callers.
        * tree-into-ssa.c: Include params.h.
        (old_virtual_ssa_names): Remove.  Update all users.
        (need_to_replace_names_p): Remove.  Update all users.
        (struct update_ssa_stats_d): Declare.
        (update_ssa_stats): New local.
        (dump_tree_ssa, debug_tree_ssa, debug_def_blocks,
        dump_tree_ssa_stats, debug_tree_ssa_stats,
        dump_update_ssa, debug_update_ssa,
        dump_names_replaced_by, debug_names_replaced_by): Declare.
        (get_current_def, set current_def): Make extern.
        (is_old_name, is_new_name): Protect against references
        past the end of the sets.
        (add_new_name_mapping): Assert that OLD and NEW are
        different SSA names for the same symbol.
        When adding a virtual mapping, update stats for virtual
        mapping heuristic.
        (insert_phi_nodes_for): If UPDATE_P is true, create the
        LHS of the new PHI by duplicating SSA name VAR.
        (insert_phi_nodes_1): Remove.  Update all users.
        (insert_phi_nodes): Remove second argument.  Update all
        users.
        (maybe_replace_use, maybe_replace_def): New.
        (rewrite_update_stmt): Call them.
        (mark_def_interesting): Remove calls to is_gimple_reg.
        (prepare_phi_args_for_update): Remove.  Update all users.
        (prepare_block_for_update): Only process virtual operands
        and GIMPLE registers in normal form.
        (prepare_use_sites_for): New.
        (prepare_names_to_update): Rename from prepare_def_sites.
        Call prepare_use_sites_for.
        (dump_update_ssa): Rename from dump_repl_tbl.
        Update all users.
        Show statistics for virtual mapping heuristic.
        (debug_update_ssa): Rename from debug_debug_repl_tbl.
        (init_update_ssa): Initialize UPDATE_SSA_STATS.
        (delete_update_ssa): Make extern.
        (mark_set_for_renaming): If the set is empty, do nothing.
        (release_ssa_name_after_update_ssa): Update comment.
        (insert_updated_phi_nodes_for): Do not remove existing
        PHI nodes for symbols.
        (switch_virtuals_to_full_rewrite_p): New.
        (switch_virtuals_to_full_rewrite): New.
        (update_ssa): Call them.
        Clear REWRITE_THIS_STMT and REGISTER_DEFS_IN_THIS_STMT
        for every statement before updating.
        If all the names in NEW_SSA_NAMES have been marked for
        removal, do nothing.
        Only start at the top of the CFG if there are symbols in
        SYMS_TO_RENAME.
        (ssa_rewrite_finalize_block): Remove.
        (ssa_register_new_def): Remove.
        (ssa_rewrite_stmt): Remove.
        (ssa_rewrite_phi_arguments): Remove.
        (ssa_rewrite_initialize_block): Remove.
        (ssa_mark_def_sites): Remove.
        (ssa_mark_def_sites_initialize_block): Remove.
        (ssa_mark_phi_uses): Remove.
        (rewrite_ssa_into_ssa): Remove.
        * tree-phinodes.c (find_phi_node_for): Remove.
        * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
        Call update_ssa.
        * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops):
        Remove calls to verify_dominators and
        verify_loop_structure.
        (tree_unswitch_single_loop): Call update_ssa.
        * tree-ssa.c (verify_ssa): Assert that need_ssa_update_p
        returns false.
        Call verify_stmts.
        (delete_tree_ssa): Assert that need_ssa_update_p returns
        false.
        * tree-vect-transform.c (vect_transform_loop): Call update_ssa.
        * tree-vectorizer.c (allocate_new_names, rename_def_op,
        free_new_names): Remove.  Update all users.
        (rename_use_op): Call get_current_def.
        (rename_variables_in_bb): Do not handle any real or
        virtual definition.
        (slpeel_update_phis_for_duplicate_loop): Call
        get_current_def and set_current_def instead of using
        SSA_NAME_AUX.
        (slpeel_update_phi_nodes_for_guard2): Reformat comments.
        (slpeel_can_duplicate_loop_p): Call need_ssa_update_p,
        ssa_names_to_replace and delete_update_ssa.
        * doc/invoke.texi: Document --param min-virtual-mappings
        and --param virtual-mappings-ratio.

2005-04-22  Diego Novillo  <dnovillo@redhat.com>

        * tree-cfg.c (tree_duplicate_bb): Call create_new_def_for
        for newly created PHI nodes.
        Call create_new_def_for for every new V_MAY_DEF and
        V_MUST_DEF on the copied statement.
        (struct ssa_name_map_entry): Remove.
        (ssa_name_map_entry_hash): Remove.
        (ssa_name_map_entry_eq): Remove.
        (allocate_ssa_names): Remove.
        (rewrite_to_new_ssa_names_def): Remove.
        (rewrite_to_new_ssa_names_use): Remove.
        (rewrite_to_new_ssa_names_bb): Remove.
        (rewrite_to_new_ssa_names): Remove.
        (tree_duplicate_sese_region): Remove variables ver,
        definitions, phi, ssa_name_map and bi.
        Call need_ssa_update_p instead of any_marked_for_rewrite_p.
        Call update_ssa.
        * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
        update_ssa instead of rewrite_ssa_into_ssa.
        * tree-ssa-loop-manip.c (add_exit_phis_edge): Call
        create_new_def_for.
        (find_uses_to_rename_use): Add argument 'need_phis'.
        (find_uses_to_rename_stmt): Do not scan virtual operands.
        (find_uses_to_rename): Only scan PHI nodes for
        non-virtual names.
        (rewrite_into_loop_closed_ssa): Call update_ssa.
        (check_loop_closed_ssa_use): Ignore virtual operands.
        (check_loop_closed_ssa_stmt): Likewise.
        (verify_loop_closed_ssa): Do nothing if CURRENT_LOOPS is
        NULL.
        (rename_variables, set_phi_def_stmts): Remove.
        (tree_duplicate_loop_to_header_edge): Reformat comment.
        Remove variables BB, I and DEFINITIONS.
        Call need_ssa_update_p.
        Call update_ssa.
        (lv_adjust_loop_header_phi): Reformat comment.
        * tree-ssanames.c (ssa_names_to_rewrite): Remove.
        (marked_for_rewrite_p, any_marked_for_rewrite_p,
        mark_for_rewrite, unmark_all_for_rewrite,
        marked_ssa_names): Remove.  Update all users.
        (release_ssa_name): If VAR has been registered for SSA
        updating, do nothing.
        * tree-vrp.c (new_ssa_names, old_ssa_names): Remove.
        (build_assert_expr_for): Call register_new_name_mapping.
        (insert_range_assertions): Update call to update_ssa.
        * tree.h (mark_for_rewrite, unmark_all_for_rewrite,
        marked_for_rewrite_p, any_marked_for_rewrite_p,
        marked_ssa_names): Remove.

2005-04-22  Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (block_defs_stack): Remove, no longer needed.
        (restore_currdefs_to_original_value): Likewise.
        (register_definitions_for_stmt): Likewise.
        (tree_ssa_dominator_optimize): No longer initialize CURRENT_DEF
        for each variable.  Do not allocate/free block_defs_stack either.
        Do not iterate if we just thread jumps.  Only iterate if the
        tree_cleanup_cfg does useful work (temporary).
        (dom_opt_initialize_block): No longer push a marker on
        BLOCK_DEFS_STACK.
        (dom_opt_finalize_block): Removal call to restore currdefs.
        Relax restrictions for recording edge equivalences.
        (record_equivalences_from_phis): No longer need to track
        CURRENT_DEF.
        (optimize_stmt): Similarly.
        (thread_across_edge): Simplify by removing the requirement that
        statements in the block we are threading through must be nops.
        (initialize_hash_element): Handle GOTO_EXPR.

2005-04-22  David S. Miller  <davem@davemloft.net>

        * sched-vis.c (print_value): Use CONST_DOUBLE_LOW and
        CONST_DOUBLE_HIGH.
        * config/sparc/sparc.c (sparc_rtx_costs): Likewise, and
        fix check on CONST_DOUBLE mode.  It should be VOIDmode
        when it is representing an integer.

2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>

        * builtins.c (gimplify_va_arg_expr): Reword comments to avoid
        'abort'. Use gcc_assert and gcc_unreachable as appropriate.
        * c-format.c (get_constant, decode_format_attr, get_flag_spec,
        find_char_info_specifier_index,
        find_length_info_modifier_index): Likewise.
        * c-typeck.c (composite_type, pop_init_level): Likewise.
        * combine.c (cant_combine_insn_p, try_combine): Likewise.
        * cse.c (cse_insn): Likewise
        * dominance.c (calc_dfs_tree): Likewise
        dwarf2out.c (loc_descriptor_from_tree_1,
        add_abstract_origin_attribute, force_decl_die,
        force_type_die): Likewise
        emit-rtl.c (operand_subword_force): Likewise
        explow.c (hard_function_value): Likewise
        expmed.c (store_bit_field, expand_divmod,
        emit_store_flag_force): Likewise
        expr.c (emit_move_multi_word, store_expr,
        expand_expr_real_1): Likewise
        final.c (this_is_asm_operands, shorten_branches, final_scan_insn,
        output_operand): Likewise
        flow.c (recompute_reg_usage): Likewise
        * function.c (assign_stack_temp_for_type, assign_temp,
        handle_epilogue_set): Likewise
        * genextract.c (main): Likewise
        * gimplify.c (mostly_copy_tree_r, gimplify_return_expr,
        gimplify_modify_expr_rhs, gimplify_expr): Likewise
        * haifa-sched.c (ready_lastpos, ready_remove_first, ready_element,
        ready_remove, rm_line_notes, rm_other_notes,
        schedule_block): Likewise
        mips-tfile.c (copy_object, out_of_bounds): Likewise

2005-04-22 David Edelsohn  <edelsohn@gnu.org>

        PR target/20813
        * config/rs6000/default64.h (TARGET_DEFAULT): Add MASK_PPC_GFXOPT.
        * config/rs6000/rs6000.c (processor_target_table): Rename rs64a to
        rs64.  Add MASK_PPC_GFXOPT to powerpc64 and rs64.
        (rs6000_init_libfuncs): Set TFmode optabs to xlq names if
        TARGET_XL_COMPAT.
        * doc/invoke.texi (PowerPC options): Change rs64a to rs64.

2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>

        * lambda-code.c: Define VEC(int,heap), VEC(lambda_loop,heap).
        (gcc_tree_to_linear_expression): Convert to heap allocated
        vectors.
        (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
        lbv_to_gcc_expression, lle_to_gcc_expression,
        lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
        perfect_nestify): Likewise.
        lambda.h (gcc_loopnest_to_lambda_loopnest,
        lambda_loopnest_to_gcc_loopnest): Likewise.
        tree-loop-linear.c (linear_transform_loops): Likewise.

2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/predicates.md (arith_double_operand): Use
        trunc_int_for_mode if HOST_BITS_PER_WIDE_INT >=64.
        * config/sparc/sparc.md (movqi, movhi, movsi, movqi): Use gen_int_mode.
        (DImode, DFmode constant splitters): Likewise.  Remove code for
        TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT < 64.
        (logical constant splitters): Use const_int_operand predicate.
        (lshrsi3_extend): Remove code for TARGET_ARCH64 &&
        HOST_BITS_PER_WIDE_INT < 64.

2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>

        * config/pa/pa.c (legitimize_pic_address): Use gcc_assert and
        gcc_unreachable as appropriate.
        (force_mode, emit_move_sequence, singlemove_string,
        output_move_double, output_fp_move_double, find_addr_reg,
        output_block_move, output_block_clear, output_and,
        output_64bit_and, output_ior, output_64bit_ior, store_reg_modify,
        pa_adjust_cost, pa_issue_rate, print_operand,
        output_global_address, output_arg_descriptor, output_cbranch,
        output_lbranch, output_bb, output_bvb, output_dbra, output_movb,
        output_call): Likewise.
        * config/pa/pa.md (call, call_value, sibcall, sibcall_value,
        prefetch, prefetch_cc, prefetch_nocc): Likewise.

2005-04-22  Zdenek Dvorak  <dvorakz@suse.cz>

        * Makefile.in (LIBGCOV): Add _gcov_interval_profiler,
        _gcov_pow2_profiler and _gcov_one_value_profiler.
        (tree-profile.o): Add GGC_H and gt-tree-profile.h dependency.
        (GTFILES): Add $(srcdir)/tree-profile.c.
        * gcov-io.h (__gcov_interval_profiler, __gcov_pow2_profiler,
        __gcov_one_value_profiler): Declare.
        * gimplify.c (force_gimple_operand): Check whether the statements
        should be produced in ssa form.
        (force_gimple_operand_bsi): New function.
        * libgcov.c (__gcov_interval_profiler, __gcov_pow2_profiler,
        __gcov_one_value_profiler): New functions.
        * rtl-profile.c (rtl_gen_pow2_profiler): Only measure whether
        the profiled value is a power of two or not.
        * tree-cfg.c (tree_block_ends_with_condjump_p): Handle empty blocks.
        * tree-flow.h (in_ssa_p): Declare.
        (force_gimple_operand_bsi): Declare.
        * tree-into-ssa.c (in_ssa_p): New variable.
        (rewrite_into_ssa): Set in_ssa_p.
        * tree-outof-ssa.c (rewrite_out_of_ssa): Set in_ssa_p.
        * tree-profile.c: Include ggc.h and gt-tree-profile.h.
        (gcov_type_node, tree_interval_profiler_fn, tree_pow2_profiler_fn,
        tree_one_value_profiler_fn): New variables.
        (tree_init_edge_profiler): Initialize the profiler function decls.
        (tree_gen_edge_profiler): Use global gcov_type_node.
        (prepare_instrumented_value): New function.
        (tree_gen_interval_profiler, tree_gen_interval_profiler,
        tree_gen_one_value_profiler): Call the library functions instead of
        creating instrumentation code.
        * tree.c (build_fn_decl): New function.
        * tree.h (build_fn_decl): Declare.
        * value-prof.c (rtl_divmod_values_to_profile,
        rtl_find_values_to_profile, rtl_mod_pow2_value_transform,
        tree_mod_pow2_value_transform, tree_find_values_to_profile):
        Do not handle may_be_other and precise values of exponents at pow2
        profiler.
        (tree_mod_subtract_transform): Reflect that value field of
        histogram has changed meaning.
        (tree_divmod_values_to_profile): Record the values correctly.
        (tree_values_to_profile): Update comment.
        * value-prof.h (struct histogram_value_t): Remove pow2 data.

2005-04-22  Joseph S. Myers  <joseph@codesourcery.com>

        * varasm.c (do_assemble_alias): Return early if TREE_ASM_WRITTEN
        (decl).

2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>

        * config/i386/i386.md (length_immediate): Use gcc_assert or
        gcc_unreachable, as appropriate.
        (*movsi_1, *movqi_1, reload_outqi, *movdi_1_rex64, *pushsf,
        *pushsf_rex64, *truncxfsf2_mixed, *truncxfsf2_i387,
        *truncxfdf2_mixed, *truncxfdf2_i387, *adddi_1_rex64,
        *adddi_2_rex64, *adddi_3_rex64, *adddi_4_rex64, *adddi_5_rex64,
        *addsi_1, addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
        *addsi_3_zext, *addsi_4, *addsi_5, *addhi_1_lea, *addhi_1,
        *addhi_2, *addhi_3, *addhi_4, *addhi_5, *addqi_1_lea, *addqi_1,
        *addqi_1_slp, *addqi_2, *addqi_3, *addqi_4, *addqi_5, addqi_ext_1,
        *addqi_ext_1_rex64, *anddi_1_rex64, *andsi_1, *andhi_1,
        *ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashlsi3_1, *ashlsi3_1_zext,
        *ashlsi3_cmp, *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1,
        *ashlhi3_cmp, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
        pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64,
        pro_epilogue_adjust_stack_rex64_2, prefetch, *prefetch_sse,
        *prefetch_sse_rex): Likewise.
        * config/i386/predicates.md (x86_64_immediate_operand,
        x86_64_zext_immediate_operand, symbolic_operand,
        no_seg_address_operand, aligned_operand,
        memory_displacement_operand): Likewise.
        * config/i386/sse.md (*mov<mode>_internal,
        *movv2df_internal): Likewise.

2005-04-22  Jan Hubicka  <jh@suse.cz>

        * Makefile.in (ipa.o, ipa-inline.o): New files.
        * cgraph.h (cgraph_remove_unreachable_nodes, cgraph_postorder,
        cgraph_decide_inlining_incrementally, cgraph_clone_inlined_nodes,
        cgraph_mark_inline_edge, cgraph_default_inline_p): Declare.
        * cgraphunit.c (cgraph_default_inline_p,
        cgraph_decide_inlining_incrementally,  ncalls_inlined,
        nfunctions_inlined, initial_insns, overall_insns,
        cgraph_estimate_size_after_inlining, cgraph_estimate_growth,
        cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
        cgraph_mark_inline, cgraph_check_inline_limits,
        cgraph_default_inline_p, cgraph_recursive_inlining_p,
        update_callee_keys, lookup_recursive_calls,
        cgraph_decide_recursive_inlining, cgraph_set_inline_failed,
        cgraph_decide_inlining_of_small_functions, cgraph_decide_inlining,
        cgraph_decide_inlining_incrementally, cgraph_gate_inlining,
        pass_ipa_inline): Move to ipa-inline.c
        (cgraph_postorder, cgraph_remove_unreachable_nodes): Move to ipa.c
        * ipa.c: New file.
        * ipa-inline.c: New file.

2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/invoke.texi (SPARC options): Document that -mapp-regs
        is turned off by default on Solaris.

2005-04-21  Roger Sayle  <roger@eyesopen.com>

        * c-common.h (objc_build_method_signature): Update prototype.
        * stub-objc.c (objc_build_method_signature): Update the stub
        implementation to accept and ignore additional parameter.
        * c-parser.c (c_parser_objc_method_decl): Reorgnize to pass
        the value of ellipsis to objc_build_method_signature instead
        of setting TREE_OVERFLOW on the parms TREE_LIST node.

2005-04-21  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/rs6000-protos.h (rs6000_emit_sync): New.
        * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Use
        gen_rtx_* not gen_rtx_fmt_*.
        (rs6000_emit_vector_select): Likewise.
        (rs6000_emit_sync): New.
        * config/rs6000/rs6000.md (GPR, INT, INT1): New mode macros.
        (larx, stcx, cmp): New mode substitutions.
        (UNSPEC_SYNC, UNSPEC_SYNC_OP, UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC,
        UNSPEC_ISYNC): New constants.
        (rlwinm): Give name.
        (memory_barrier, isync, lwsync): New insns.
        (sync_compare_and_swap<mode>, sync_lock_test_and_set<mode>): New insn.
        (sync_lock_release<mode>): New expander.
        (sync_add<mode>, sync_sub<mode>, sync_ior<mode>, sync_and<mode>,
        sync_xor<mode>, sync_nand<mode>, sync_old_add<mode>,
        sync_old_sub<mode>, sync_old_ior<mode>, sync_old_and<mode>,
        sync_old_xor<mode>, sync_old_nand<mode>, sync_new_add<mode>,
        sync_new_sub<mode>, sync_new_ior<mode>, sync_new_and<mode>,
        sync_new_xor<mode>, sync_new_nand<mode>): New expanders.
        (sync_add<mode>_internal, sync_addshort_internal,
        sync_sub<mode>_internal, sync_andsi_internal, sync_anddi_internal,
        sync_boolsi_internal, sync_booldi_internal, sync_boolc<mode>_internal,
        sync_boolc<mode>_internal2, sync_boolcc<mode>_internal): New insns.

        * doc/md.texi (Standard Names): sync_compare_and_swap's operand 0
        is the memory before, not after, the operation.  Clarify
        barrier requirements.

2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>

        * cfghooks.h (struct cfg_hooks): Reword comments to avoid 'abort'.
        * lambda.h (lambda_vector_min_nz): Likewise.
        * langhooks.h (struct lang_hooks_for_types,
        struct lang_hooks): Likewise.
        * output.h (assemble_integer, this_is_asm_operands): Likewise.
        * tree.h: Likewise.
        * vec.h: Likewise.
        * tree-flow-inline.h (relink_imm_use): Use gcc_assert.

        * optabs.c (prepare_cmp_insn, emit_cmp_and_jump_insns): Reword
        comments to avoid 'abort'.  Use gcc_assert as necessary.
        * opts.c (common_handle_option): Likewise.
        * pretty-print.c (pp_base_format_text): Likewise.
        * print-rtl.c (print_rtx): Likewise.
        * read-rtl.c (read_rtx_filename, read_rtx_1): Likewise.
        * regmove.c (try_auto_increment): Likewise.
        * reload.c (find_valid_class, find_reloads_toplev,
        find_equiv_reg): Likewise.
        * reload1.c (reload, forget_old_reloads_1, function_invariant_p,
        merge_assigned_reloads): Likewise.
        * tree-inline.c (inline_forbidden_p_1,
        estimate_num_insns_1): Likewise.
        * tree-optimize.c (execute_todo): Likewise.
        * tree-outof-ssa.c (eliminate_phi): Likewise.
        * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
        * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Likewise.
        * tree-ssa-operands.c (parse_ssa_operands,
        get_indirect_ref_operands, create_ssa_artficial_load_stmt): Likewise.
        * tree-ssa-pre.c (find_or_generate_expression): Likewise.
        * tree-ssanames.c (release_ssa_name): Likewise.
        * tree.c (int_bit_position, int_byte_position, tree_low_cst,
        walk_tree): Likewise.

        * tree-ssa-operands.c (verify_abort): Fold into ..
        (verify_imm_links): ... here.

2005-04-21  Richard Henderson  <rth@redhat.com>

        * config/alpha/sync.md (sync_new_nand<I48MODE>): Fix constraints
        on non-memory operand for previous inversion.

2005-04-21  Devang Patel  <dpatel@apple.com>

        PR optimization/20994
        * tree-if-conv.c (find_phi_replacement_condition): Avoid generating
        x = !(a == b) : p , q;.
        (pass_if_conversion): Verify stmts and flow.

2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>

        * optabs.c (gen_conditional_trap): Restore #define.

        * alias.c (true_dependence): Remove 'abort' from comments. Use
        gcc_assert and gcc_unreachable as appropriate.
        (canon_true_dependence): Likewise.
        * bb-reorder.c (connect_traces): Likewise.
        * c-common.c (c_add_case_label): Likewise.
        * c-decl.c (finish_function): Likewise.
        * caller-save.c (insert_restore, insert_save): Likewise.
        * cfg.c (update_bb_profile_for_threading): Likewise.
        * cfganal.c (flow_active_insn_p): Likewise.
        * cfgexpand.c (add_reg_br_prob_note): Likewise.
        * cfgrtl.c (rtl_redirect_edge_and_branch_force, rtl_split_edge,
        cfg_layout_merge_blocks): Likewise.
        * ifcvt.c (cond_exec_process_insns, merge_if_block,
        find_if_block): Likewise.
        * integrate.c (allocate_initial_values): Likewise.
        * jump.c (reverse_condition, reverse_condition_maybe_unordered,
        swap_condition, unsigned_condition, signed_condition,
        mark_jump_label, invert_jump_1, rtx_renumbered_equal_p,
        reg_or_subregno): Likewise.
        * lambda-code.c (lambda_compute_auxillary_space,
        lambda_transform_legal_p): Likewise.
        * lambda-mat.c (lambda_matrix_inverse_hard): Likewise.
        * langhooks.c (lhd_set_decl_assembler_name, lhd_type_promotes_to,
        lhd_incomplete_type_error, lhd_expand_expr,
        lhd_types_compatible_p, lhd_tree_size): Likewise.
        * lcm.c (create_pre_exit, optimize_mode_switching): Likewise.
        * local-alloc.c (update_equiv_regs): Likewise.
        * loop-unroll.c (peel_loop_completely
        unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
        peel_loop_simple, unroll_loop_stupid,
        analyze_iv_to_split_insn): Likewise.
        * loop.c (gen_prefetch, find_and_verify_loops,
        basic_induction_var): Likewise.
        * modulo-sched.c (normalize_sched_times, check_nodes_order): Likewise.
        * value-prof.c (tree_find_values_to_profile): Likewise.
        * varasm.c (named_section, default_assemble_integer,
        decode_addr_const): Likewise.

2005-04-21 Alan Modra  <amodra@bigpond.net.au>
           Fariborz Jahanian <fjahanian@apple.com>

        * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Fix size of
        portion of argument passed in fpr.
        * expr.c (emit_push_insn): Fix computation of 'offset' used to
        decide on partial argument save on stack.

2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>

        * config/sparc/predicates.md, config/sparc/sparc.md: Fix
        comment typos.

2005-04-21  Jan Hubicka  <jh@suse.cz>

        * cgraphunit.c: Include tree-pass.h
        (cgraph_decide_recursive_inlining,
        cgraph_decide_inlining_of_small_function, cgraph_set_inline_failed,
        cgraph_decide_inlining): Dump goes to dump_file.
        (cgraph_optimize): Call ipa passes instead of inliner.
        (cgraph_gate_inlining, pass_ipa_inline): New.
        * tree-optimize.c (all_ipa_passes): New static variable.
        (register_one_dump_file): Dead with IPA passes.
        (register_dump_files): Likewise.
        (init_tree_optimization_passes): Initialize IPA passes.
        (execute_todo): Do cgraph dump when asked to, do not dump function body
        for IPA pass.
        * tree-pass.h (TODO_dump_cgraph): New macro.
        (ipa_passes): Declare.
        * Makefile.in (cgraphunit.o): Add dependency on cgraphunit.h

2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>

        * config/i386/i386.c (type_natural_mode): Use gcc_unreachable and
        gcc_assert instead of abort.
        (classify_argument, examine_argument, construct_container,
        contains_128bit_aligned_vector_p, ix86_check_movabs,
        standard_80387_constant_opcode, standard_80387_constant_rtx,
        ix86_initial_elimination_offset, ix86_compute_frame_layout,
        pro_epilogue_adjust_stack, ix86_expand_epilogue,
        ix86_address_cost, legitimate_address_p, legitimize_pic_address,
        legitimize_tls_address, output_pic_addr_const,
        i386_output_dwarf_dtprel, put_condition_code, print_reg,
        get_some_local_dynamic_name, print_operand, print_operand_address,
        output_387_binary_op, emit_i387_cw_initialization,
        output_fix_trunc, output_fp_compare, ix86_output_addr_vec_elt,
        ix86_expand_clear, ix86_expand_binary_operator,
        ix86_expand_unary_operator, ix86_match_ccmode, ix86_cc_mode,
        ix86_cc_modes_compatible, ix86_fp_comparison_codes,
        ix86_fp_comparison_arithmetics_cost, ix86_expand_fp_compare,
        ix86_expand_branch, ix86_expand_setcc,
        ix86_expand_carry_flag_compare, ix86_expand_fp_movcc,
        ix86_expand_int_addcc, ix86_split_to_parts, ix86_split_long_move,
        ix86_expand_movmem, ix86_expand_call, assign_386_stack_local,
        memory_address_length, ix86_attr_length_immediate_default,
        ix86_attr_length_address_default, ix86_agi_dependant,
        x86_initialize_trampoline, ix86_init_mmx_sse_builtins,
        ix86_expand_binop_builtin, ix86_force_to_memory,
        ix86_secondary_memory_needed, ix86_avoid_jump_misspredicts,
        x86_emit_floatuns): Likewise.
        * config/i386/netware.c (gen_regparm_prefix,
        i386_nlm_strip_name_encoding): Likewise.
        * config/i386/winnt.c (i386_pe_mark_dllexport): Likewise.

2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>

        * optabs.c (gen_condiational_trap): Remove #define.
        (add_equal_note): Assertify. Remove explicit indirection from
        call via function pointer.
        (expand_ternary_op, expand_simple_binop, expand_binop,
        expand_twoval_unop, expand_twoval_binop,
        expand_twoval_binop_libfunc, expand_simple_unop expand_unop,
        emit_unop_insn,  emit_no_conflict_block,  prepare_cmp_insn,
        prepare_operand emit_cmp_and_jump_insn_1, emit_cmp_and_jump_insns,
        prepare_float_lib_cmp, emit_conditional_move,
        emit_conditional_add, gen_add2_insn, gen_add3_insn,
        have_add2_insn, gen_sub2_insn, gen_sub3_insn, have_sub2_insn,
        expand_float, expand_fix, debug_optab_libfuncs, gen_cond_trap,
        vector_compare_rtx, expand_vec_cond_expr): Likewise.

2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>

        * vec.h: Update API to separate allocation mechanism from type.
        (VEC_safe_grow): New.
        * vec.c (calculate_allocation): New.
        (vec_gc_o_reserve, vec_heap_o_reserve): Adjust.
        (vec_gc_free, vec_heap_free): Remove.
        * gengtype-lex.l (DEF_VEC_): Process mult-argument macros.  Adjust.
        (VEC): Likewise.
        (mangle_macro_name): New.
        (struct macro_def): New.
        (struct macro): Add multiple argument values.
        (macro_expans_end): New.
        (push_macro_expansion):  Chain on new macro. Process multiple
        args, create follow on expansion. Return follow on argument.
        (macro_input): Deal with multiple arguments.

        * tree.h: Define VEC(tree,heap) and VEC(tree,gc).
        (struct tree_binfo): Adjust.
        * basic-block.h: Define VEC(edge,gc).
        (struct edge_def): Adjust.
        (struct basic_block_def, struct edge_iterator): Likewise.
        (ei_container, ei_start_1, ei_last_1): Likewise.
        * cfg.c (connect_src, connect_dest): Likewise.
        * cfgrtl.c (force_nonfallthru_and_redirect)
        * dbxout.c (dbxout_type)
        * dwarf2out.c (gen_member_die)
        * lambda-code.c: Define VEC(int,gc), VEC(lambda_loop,gc).
        (gcc_tree_to_linear_expression): Adjust.
        (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
        lbv_to_gcc_expression, lle_to_gcc_expression,
        lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
        perfect_nestify): Likewise.
        * lambda.h (gcc_loopnest_to_lambda_loopnest,
        lambda_loopnest_to_gcc_loopnest): Adjust prototypes.
        * profile.c (instrument_values): Adjust.
        * tree-cfg.c (modified_noreturn_calls): Adjust.
        (remove_fallthru_edge): Likewise.
        * tree-dump.c (dequeue_and_dump): Adjust.
        * tree-flow-inline.h (mark_stmt_modified): Adjust.
        * tree-flow.h (modified_noreturn_calls): Adjust.
        (tree_on_heap): Remove. (yay!)
        (register_new_def): Adjust.
        * tree-into-ssa.c: Define VEC(int,heap).
        (block_defs_stack): Adjust.
        (find_idf, insert_phi_nodes, register_new_def,
        rewrite_initialize_block, rewrite_finalize_block,
        register_new_update_single, rewrite_update_init_block,
        rewrite_update_fini_block, rewrite_blocks,
        ssa_rewrite_finalize_block, ssa_register_new_def,
        ssa_rewrite_initialize_block, rewrite_ssa_into_ssa): Likewise.
        * tree-loop-linear.c (linear_transform_loops): Adjust.
        * tree-ssa-alias.c: Define VEC(fieldoff_t,heap).
        (push_fields_onto_fieldstack, create_overlap_variables_for): Adjust.
        * tree-ssa-dom.c (avail_exprs_stack, block_defs_stack,
        stmts_to_rescan, const_and_copies_stack, nonzero_vars_stack,
        vrp_variables_stack): Adjust declarations.
        (tree_ssa_dominator_optimize): Adjust.
        (dom_opt_initialize_block, remove_local_expressions_from_table,
        restore_nonzero_vars_to_original_value,
        restore_vars_to_original_value,
        restore_currdefs_to_original_value, dom_opt_finalize_block,
        record_var_is_nonzero, record_cond, record_const_or_copy_1,
        optimize_stmt, update_rhs_and_lookup_avail_expr,
        lookup_avail_expr, record_range): Likewise.
        * tree-ssa-pre.c: Define VEC(basic_block,heap).
        (compute_antic_aux): Adjust.
        (inserted_exprs, create_expression_by_pieces,
        insert_into_preds_of_block, eliminate, mark_operand_necessary,
        remove_dead_inserted_code, fini_pre): Likewise.
        * tree-ssa-propagate.c (interesting_ssa_edges): Adjust.
        (varying_ssa_edges, add_ssa_edge, process_ssa_edge_worklist.
        ssa_prop_init): Likewise.
        * tree-ssa.c: Define VEC(bitmap,heap).
        (verify_name_tags): Adjust.
        * value-prof.c (rtl_divmod_values_to_profile): Adjust.
        (insn_prefetch_values_to_profile, rtl_find_values_to_profile,
        tree_divmod_values_to_profile, tree_find_values_to_profile,
        value_profile_transformations): Likewise.
        * value-prof.h: Define VEC(histogram_value,heap).
        * varasm.c: Remove alias_pair pointer typedef, define
        VEC(alias_pair,gc).
        (finish_aliases_1, finish_aliases_2, assemble_alias): Adjust.

        * config/pa/pa.c (typedef extern_symbol): Typedef the structure,
        not a pointer to it.  Create an object vector.
        (extern_symbols): Turn into an object vector.
        (pa_hpux_asm_output_external, pa_hpux_file_end): Adjust.

2005-04-21  Sebastian Pop  <pop@cri.ensmp.fr>

        PR/20742
        * Makefile.in (tree-chrec.o): Depend on params.h.
        * params.def (PARAM_SCEV_MAX_EXPR_SIZE): New parameter with
        default value 20.
        * tree-chrec.c: Depend on params.h.  Replace build with buildN,
        and fold build with fold_buildN.
        (chrec_fold_plus_1): Fail with a chrec_don_know when the size of
        the expression exceeds PARAM_SCEV_MAX_EXPR_SIZE.
        (tree_contains_chrecs): Compute an estimation of the size of the
        given expression.
        * tree-chrec.h (tree_contains_chrecs): Modify its declaration.
        (tree_does_not_contain_chrecs): Update the use of tree_contains_chrecs.
        * tree-scalar-evolution.c (simple_iv): Ditto.
        * doc/invoke.texi (scev-max-expr-size): Documented.

2005-04-21  Richard Sandiford  <rsandifo@redhat.com>

        * config.gcc (*-*-darwin*): Add darwin.opt to $extra_options.
        (i[34567]86-pc-msdosdjgpp*): Likewise i386/djgpp.opt.
        (i[34567]86-*-lynxos*, powerpc-*-lynxos*): Likewise lynx.opt.
        (i[34567]86-*-sco3.2v5*): Likewise i386/sco5.opt.
        (i[34567]86-*-pe, i[34567]86-*-cygwin*, i[34567]86-*-mingw32*)
        (i[34567]86-*-uwin*): Likewise i386/cygming.opt.
        * config/darwin.h (darwin_one_byte_bool, darwin_fix_and_continue)
        (darwin_fix_and_continue_switch, SUBTARGET_OPTIONS): Delete.
        * config/darwin.c (darwin_one_byte_bool, darwin_fix_and_continue)
        (darwin_fix_and_continue_switch): Delete.
        * config/lynx.h (SUBTARGET_OS_LYNX_SWITCHES): Delete.
        (SUBTARGET_SWITCHES): Delete.
        * config/i386/i386.h (target_flags, MASK_80387, MASK_RTD)
        (MASK_ALIGN_DOUBLE, MASK_SVR3_SHLIB, MASK_IEEE_FP, MASK_FLOAT_RETURNS)
        (MASK_NO_FANCY_MATH_387, MASK_OMIT_LEAF_FRAME_POINTER)
        (MASK_STACK_PROBE, MASK_NO_ALIGN_STROPS, MASK_INLINE_ALL_STROPS)
        (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS, MASK_MMX)
        (MASK_SSE, MASK_SSE2, MASK_SSE3, MASK_3DNOW, MASK_3DNOW_A)
        (MASK_128BIT_LONG_DOUBLE, MASK_64BIT, MASK_MS_BITFIELD_LAYOUT)
        (MASK_TLS_DIRECT_SEG_REFS, MASK_NO_RED_ZONE, TARGET_80387)
        (TARGET_RTD, TARGET_ALIGN_DOUBLE, TARGET_PUSH_ARGS)
        (TARGET_ACCUMULATE_OUTGOING_ARGS, TARGET_SVR3_SHLIB, TARGET_IEEE_FP)
        (TARGET_128BIT_LONG_DOUBLE, TARGET_NO_FANCY_MATH_387)
        (TARGET_USE_FANCY_MATH_387, TARGET_OMIT_LEAF_FRAME_POINTER)
        (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Delete.
        (TARGET_FLOAT_RETURNS_IN_80387): Make an alias of TARGET_FLOAT_RETURNS.
        (TARGET_64BIT): Undef before redefining.
        (TARGET_TLS_DIRECT_SEG_REFS, TARGET_STACK_PROBE)
        (TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS, TARGET_SSE)
        (TARGET_SSE2, TARGET_SSE3, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A)
        (TARGET_RED_ZONE, TARGET_USE_MS_BITFIELD_LAYOUT, TARGET_SWITCHES)
        (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS)
        (ix86_fpmath_string, ix86_tls_dialect_string, ix86_cmodel_string)
        (ix86_asm_string, ix86_regparm, ix86_regparm_string)
        (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
        (ix86_debug_arg_string, ix86_debug_addr_string)
        (ix86_align_loops_string, ix86_align_jumps_string)
        (ix86_align_funcs_string): Delete.
        * config/i386/cygming.h (MASK_NOP_FUN_DLLIMPORT)
        (TARGET_NOP_FUN_DLLIMPORT, SUBTARGET_SWITCHES): Delete.
        * config/i386/djgpp.h (MASK_BNU210, SUBTARGET_SWITCHES): Delete.
        (SUBTARGET_OVERRIDE_OPTIONS): Check TARGET_BNU210.
        * config/i386/lynx.h (SUBTARGET_SWITCHES): Delete.
        * config/i386/sco5.h (MASK_COFF, TARGET_ELF)
        (SUBTARGET_SWITCHES): Delete.
        * config/i386/i386.c (ix86_debug_arg_string): Delete.
        (ix86_debug_addr_string): Delete.
        (ix86_cmodel_string, ix86_asm_string, ix86_tls_dialect_string)
        (ix86_fpmath_string, ix86_regparm_string, ix86_regparm)
        (ix86_align_loops_string, ix86_align_jumps_string)
        (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
        (ix86_align_funcs_string): Make static.
        (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
        (ix86_handle_option): New function.
        (TARGET_USE_MS_BITFIELD_LAYOUT): Delete.
        (ix86_ms_bitfield_layout_p): Check TARGET_MS_BITFIELD_LAYOUT.
        * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove handling
        of darwin_fix_and_continue_switch.
        (darwin_one_byte_bool): Delete.
        * config/rs6000/lynx.h (EXTRA_SUBTARGET_SWITCHES): Delete.
        * config/rs6000/rs6000.c (rs6000_override_options): Update assignment
        to darwin_one_byte_bool.
        * config/darwin.opt, config/lynx.opt, config/i386/cygming.opt,
        * config/i386/djgpp.opt, config/i386/i386.opt,
        * config/i386/sco5.opt: New files.

2005-04-21  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (reg_or_0_operand, const1_operand,
        fp_zero_operand, fp_register_operand, intreg_operand,
        fcc_reg_operand, fcc0_reg_operand, icc_or_fcc_reg_operand,
        call_operand, call_operand_address, tgd_symbolic_operand,
        tld_symbolic_operand, tie_symbolic_operand, tle_symbolic_operand,
        symbolic_operand, symbolic_memory_operand, label_ref_operand,
        sp64_medium_pic_operand, data_segment_operand,
        text_segment_operand, splittable_symbolic_memory_operand,
        reg_or_nonsymb_mem_operand, splittable_immediate_memory_operand,
        eq_or_neq, normal_comp_operator, noov_compare_op,
        noov_compare64_op, v9_regcmp_op, extend_op, cc_arithop,
        cc_arithopn, arith_operand, arith_4096_operand, arith_add_operand,
        const64_operand, const64_high_operand, arith11_operand,
        arith10_operand, arith_double_operand, arith_double_4096_operand,
        arith_double_add_operand, arith11_double_operand,
        arith10_double_operand, small_int, small_int_or_double,
        uns_small_int, uns_arith_operand, clobbered_register,
        input_operand, compare_operand): Delete.
        (sparc_emit_set_const32): Use predicates in assertion.  Remove special
        code for TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT != 64.
        (sparc_emit_set_const64): Call gcc_unreachable if H_B_P_W_I == 32.
        (GEN_HIGHINT64, GEN_INT64): Delete.
        (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
        gen_safe_XOR64): Adjust for above deletion.
        (sparc_emit_set_const64): Support only H_B_P_W_I == 64 and CONST_INTs.
        Use 'unsigned HOST_WIDE_INT' instead of 'long' for bitmask.
        (legitimate_constant_p): Use const_zero_operand instead.
        (sparc_extra_constraint_check): Likewise.
        * config/sparc/sparc.h (CONST_DOUBLE_OK_FOR_LETTER_P): Remove 'O'.
        (PREFERRED_RELOAD_CLASS): Use const_zero_operand.
        (PREDICATE_CODES): Delete.
        * config/sparc/sparc.md: Include predicates.md.
        (All patterns): Adjust for new predicate names.
        (cmpdi, cmpdi_sp64): Use arith_operand predicate.
        (movhi_const64_special, movsi_const64_special): Add 'K' constraint.
        (movdi): Use general_operand predicate.
        (movdi_sp64_dbl): Delete.
        (movdi_const64_special): Add 'N' constraint.
        (movdicc): Use arith10_operand predicate.
        (movdi_cc_sp64, movdi_cc_sp64_trunc): Use arith11_operand predicate.
        (movdi_cc_reg_sp64): Use arith10_operand predicate.
        (movdi_cc_reg_sp64_trunc): Delete.
        (cmp_zero_extract, cmp_zero_extract_sp64): Use small_int_operand.
        (adddi3_sp64, cmp_ccx_plus, cmp_ccx_plus_set): Use arith_operand.
        (subdi3_sp32): Delete.
        (subdi3_insn_sp32): Change to define_insn_and_split.
        (subdi3_sp64, cmp_minus_ccx, cmp_minus_ccx_set): Use arith_operand.
        (muldi3, muldi3_sp64, muldi3_v8plus): Likewise.
        (smulsi3_highpart_v8plus, const_smulsi3_highpart_v8plus,
        umulsi3_highpart_v8plus, const_umulsi3_highpart_v8plus): Use
        small_int_operand predicate.
        (divdi3, udivdi3): Use arith_operand predicate.
        (udivsi3, udivsi3_sp32, udivsi3_sp64): Use nonimmediate_operand.
        (and<V64I>3_sp64, ior<V64I>3_sp64, xor<V64I:mode>3_sp64,
        xor_not_<V64I:mode>_sp64) : Use arith_operand predicate.
        (xordi3_sp64_dbl): Delete.
        (cmp_ccx_arith_op, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
        cmp_ccx_xor_not_set, cmp_ccx_arith_op_not, cmp_ccx_arith_op_not_set,
        cmp_ccx_neg, cmp_ccx_set_neg, one_cmpl<V64I>2_sp64, cmp_ccx_not,
        cmp_ccx_set_not): Use arith_operand predicate.
        (ashrsi3_extend2, lshrsi3_extend2 et al.): Use small_int_operand.
        * config/sparc/predicates.md: New file.

2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>

        PR tree-optimization/14846
        * fold-const.c (fold_single_bit_test_into_sign_test): New,
        split out from ...
        (fold_single_bit_test): ... here.
        (fold_binary): Call fold_single_bit_test_into_sign_test
        instead of fold_single_bit_test.

2005-04-20  James E Wilson  <wilson@specifixinc.com>

        PR c++/20805
        * dwarf2out.c (gen_variable_die): Don't emit a specification if this
        is another declaration.

2005-04-21  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/predicates.md: New file.
        * config/cris/cris-protos.h (cris_store_multiple_op_p)
        (cris_movem_load_rest_p): Declare.
        * config/cris/cris.c (cris_store_multiple_op): Return bool, not int.
        (cris_movem_load_rest_p): Ditto.  Globalize.
        (cris_bdap_operand, cris_bdap_biap_operand,
        cris_orthogonal_operator, cris_commutative_orth_op,
        cris_operand_extend_operator,
        cris_additive_operand_extend_operator, cris_extend_operator,
        cris_plus_or_bound_operator, cris_mem_op,
        cris_general_operand_or_symbol,
        cris_general_operand_or_gotless_symbol,
        cris_general_operand_or_plt_symbol, cris_mem_call_operand,
        cris_load_multiple_op): Remove predicate functions.
        (cris_symbol, cris_gotless_symbol) <case UNSPEC>: Return 0, don't
        abort, for UNSPECs other than CRIS_UNSPEC_PLT.
        * config/cris/cris.h (PREDICATE_CODES): Don't define.
        * config/cris/cris.md: Include predicates.md.
        ("call", "call_value"): Generate CONSTs of Pmode, not VOIDmode.

2005-04-20  Ian Lance Taylor  <ian@airs.com>

        * c-common.def: Remove STMT_EXPR (moved to cp/cp-tree.def).
        * c-common.h (STMT_EXPR_STMT): Don't define.
        (STMT_EXPR_NO_SCOPE): Don't define.
        * c-dump.c (c_dump_tree): Don't handle STMT_EXPR.
        * c-pretty-print.c (pp_c_primary_expression): Likewise.
        (pp_c_expression): Likewise.

2005-04-20  Richard Henderson  <rth@redhat.com>

        PR target/21100
        * config/i386/mmx.md (push<MMXMODE>1): Fix predicate thinko.

2005-04-20  Jeff Law  <law@redhat.com>

        * reload1.c (reload): Ignore equivalences between pseudos and
        read only memory.

2005-04-20  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/12913
        * c-tree.h (struct c_label_list): Update comment.
        (struct c_label_context): Rename to struct c_label_context_se.
        (label_context_stack): Rename to label_context_stack_se.
        (C_DECL_UNJUMPABLE_VM, C_DECL_UNDEFINABLE_VM, struct
        c_label_context_vm, label_context_stack_vm, c_begin_vm_scope,
        c_end_vm_scope): New.
        (C_DECL_DECLARED_BUILTIN, C_DECL_USED): Use FUNCTION_DECL_CHECK.
        * c-decl.c (pop_scope): Call c_end_vm_scope.
        (pushdecl): Call c_begin_vm_scope for variably modified
        declarations.
        (define_label): Check for jumping into scope of identifier with
        variably modified type.  Push label on stack for those defined at
        current context of identifiers with variably modified type.
        (start_function): Create stack level for context of identifiers
        with variably modified type.
        (finish_function): Pop stack level for context of identifiers with
        variably modified type.
        * c-typeck.c (label_context_stack): Rename to
        label_context_stack_se.
        (label_context_stack_vm, c_begin_vm_scope, c_end_vm_scope): New.
        (c_finish_goto_label): Check for jumping into scope of identifier
        with variably modified type.  Push label on stack for those jumped
        to from current context of identifiers with variably modified
        type.
        (struct c_switch): Add blocked_vm.
        (c_start_case): Initialize blocked_vm.
        (do_case): Check blocked_vm.
        (c_finish_case): Add comment.
        (c_begin_stmt_expr, c_finish_stmt_expr): Update for renamed
        variable label_context_stack.

2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-phiopt.c (tree_ssa_phi_opt): Update calls to
        conditional_replacement, value_replacement, abs_replacement,
        minmax_replacement.
        (replace_phi_edge_with_variable): Remove argument BB.
        (conditional_replacement, value_replacement,
        minmax_replacement, abs_replacement): Remove argument PHI_BB.
        Update a call to replace_phi_edge_with_variable.

        * tree-ssa-phiopt.c: Fix comments.

2005-04-20  Michael Matz  <matz@suse.de>

        PR20973
        * reload.c (push_reload, find_dummy_reload): Check for uninitialized
        pseudos.

2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-phiopt.c: Fix comment typos.

        PR tree-optimization/21116
        * tree-ssa-phiopt.c: Fix a typo.

2005-04-19  Richard Henderson  <rth@redhat.com>

        * builtins.c (expand_builtin_sync_operation): Revert last change.
        * optabs.c (expand_bool_compare_and_swap): Compare vs old value,
        not vs new value.
        (expand_compare_and_swap_loop): Likewise.
        (expand_sync_operation): Remove fallback from NAND to AND; invert
        memory operand when expanding from cmpxchg.
        (expand_sync_fetch_operation): Likewise.
        * doc/extend.texi (Atomic Builtins): Fix docs for nand and
        compare-and-swap.

        * config/alpha/alpha.c (alpha_split_atomic_op): Invert memory operand
        when implementing NAND.  Fix double-add for AFTER.
        * config/alpha/sync.md (sync_nand<I48MODE>): Invert memory operand.
        (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
        (sync_compare_and_swap<I48MODE>): Fix compare vs zero.  Return old
        memory value.
        (sync_lock_test_and_set<I48MODE>): Remove extra label and last
        memory barrier.

        * config/i386/sync.md (sync_compare_and_swap<IMODE>): Fix pattern
        to return old memory value.
        (sync_compare_and_swap_cc<IMODE>): Likewise.

        * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Early
        return pre-reload.  Don't consider output or anti dependencies.
        * config/ia64/sync.md (IMODE): New.
        (modesuffix): Add QI and HI.
        (memory_barrier): Simplify expansion.
        (sync_compare_and_swap<IMODE>): Use IMODE, not I48MODE.
        (cmpxchg_acq_<IMODE>): Likewise.
        (sync_lock_test_and_set<IMODE>): Likewise.
        (sync_lock_release<IMODE>): Likewise.

2005-04-19  James A. Morrison  <phython@gcc.gnu.org>

        * fold-const.c (fold_binary): Fold ~(X ^ Y) to ~X ^ Y or X ^ ~Y if
        ~X or ~Y simplify.

2005-04-19  James A. Morrison  <phython@gcc.gnu.org>

        * fold-const (fold_binary):  Fold ~X ^ ~ Y to X ^ Y.

2005-04-20  Michael Pogue  <michael.pogue@sun.com>
            Joseph S. Myers  <joseph@codesourcery.com>

        * c.opt (Wint-to-pointer-cast, Wpointer-to-int-cast): New options.
        * c-typeck.c (build_c_cast): Check these options.
        * doc/invoke.texi: Document these options.

2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-phiopt.c: Update a comment about the pass.

2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-phiopt.c, config/arm/arm.c, config/fr30/fr30.md,
        config/mcore/mcore.c: Fix comment typos.

2005-04-19  Daniel Jacobowitz  <dan@codesourcery.com>

        * Makefile.in (libgcc.mk): Pass GCC_FOR_TARGET.
        * mklibgcc.in: Use $GCC_FOR_TARGET instead of ./xgcc.

2005-04-19  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_init_libfuncs): Clear mod optabs.

2005-04-19  Andrew Haley  <aph@redhat.com>

        PR java/21022
        * dbxout.c (dbxout_type_fields): Check DECL_IGNORED_P before
        looking at a field's bitpos.

2005-04-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * system.h (fopen, fdopen, freopen): Define these to the unlocked
        libiberty functions.

2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>

        PR tree-optimization/21096
        * tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of.

2005-04-19  Alan Modra  <amodra@bigpond.net.au>

        PR target/21098
        * config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
        * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.

2005-04-19  Alexandre Oliva  <aoliva@redhat.com>

        * tree-cfg.c (dump_function_to_file): Use cfun info only if it
        refers to the function being dumped.

2005-04-18  Daniel Jacobowitz  <dan@codesourcery.com>

        * varasm.c (assemble_start_function): Remove reset of in_section.

2005-04-18  James A. Morrison  <phython@gcc.gnu.org>

        PR tree-optimization/21085
        * fold-const (fold_binary): Don't change X % -C to X % C if C has
        overflowed.

2005-04-19  Ben Elliston  <bje@au.ibm.com>

        * doc/invoke.texi (Optimize Options): Refer to the correct
        optimisation flag -ftree-dominator-opts, not -ftree-dom.

2005-04-18  Christopher Jaillet <christophe.jaillet@wanadoo.fr>

        * config/rs6000/rs6000.c (machopic_output_stub):  Increase
        alloca argument to be big enough.

2005-04-18  Alexandre Oliva  <aoliva@redhat.com>

        PR middle-end/21049
        * tree-cfg.c (dump_function_to_file): Do not crash if cfun or
        cfun->cfg are NULL.

2005-04-18  Tom Tromey  <tromey@redhat.com>

        * cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment
        typo.

2005-04-18  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_split_atomic_op): New.
        (alphaev5_insn_pipe): Add LD_L, ST_C, MB types.
        (alphaev4_insn_pipe): Likewise.  Correct IST and LDSYM pipes.
        * config/alpha/alpha-protos.h: Update.
        * config/alpha/alpha.md (UNSPECV_MB, UNSPECV_LL, UNSPECV_SC): New.
        (UNSPECV_ATOMIC, UNSPECV_CMPXCHG, UNSPECV_XCHG): New.
        (attr type): Add ld_l, st_c, mb.
        (andsi_internal, andnotsi3, iorsi_internal, one_cmplsi_internal,
        iornotsi3, xorsi_internal, xornotsi3): New.
        * config/alpha/ev4.md (ev4_ld): Add ld_l.
        (ev4_ist_c, ev4_mb): New.
        * config/alpha/ev5.md (ev5_st): Add st_c, mb.
        (ev5_ld_l): New.
        * config/alpha/ev6.md (ev6_ild): Add ld_l.
        (ev6_ist): Add st_c.
        (ev6_mb): New.
        * config/alpha/sync.md: New file.

2005-04-18  Richard Henderson  <rth@redhat.com>

        * builtins.c (expand_builtin_sync_operation): Fold nand to and
        for constants.

        * optabs.c (expand_sync_operation): Fix typo expanding nand to and.

2005-04-18  Devang Patel  <dpatel@apple.com>

        * config/rs6000/atlivec.md (mulv4si3): New pattern.

2005-04-18  James A. Morrison  <phython@gcc.gnu.org>

        PR tree-optimization/20922
        * fold-const.c (fold_binary): Fold X - c > X and X + c < X to false.
        Fold X + c >= X and fold X - c <= X to true.

2005-04-18  James A. Morrison  <phython@gcc.gnu.org>

        * config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an
        unsigned int.
        (emergency_labeled_state_free): Likewise.

2005-04-18  Nick Clifton  <nickc@redhat.com>

        * config/h8300/h8300.md (jump): Remove prescan parameter from
        calls to final_scan_insn.

        * config/arc/arc.c (arc_output_function_epilogue): Remove prescan
        parameter from calls to final_scan_insn.

        * config.gcc (m68hc12): Use the m68hc11.opt file for target
        specific options.
        (v850e, v850e1): Use the v850.opt file for target specific
        options.

2005-04-18  Kazu Hirata  <kazu@cs.umass.edu>

        PR tree-optimization/21001
        * tree-optimize.c (init_tree_optimization_passes): Move the
        first pass_forwprop immediately before pass_vrp.

2005-04-17  Ian Lance Taylor  <ian@airs.com>

        * c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove.
        * c-common.c (c_sizeof_or_alignof_type): Change second parameter
        from enum tree_code op to bool is_sizeof.
        * c-common.h (c_sizeof_or_alignof_type): Update declaration.
        (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
        * c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR
        case.
        (pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR
        cases.
        (pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and
        ALIGNOF_EXPR cases.

2005-04-17  Ian Lance Taylor  <ian@airs.com>

        * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.

2005-04-17  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (va_list_skip_additions): Only define if
        TARGET_ABI_OSF.
        (TARGET_STDARG_OPTIMIZE_HOOK): Likewise.
        (alpha_stdarg_optimize_hook): Likewise.  Allow for one more round
        of indirection through ssa names while looking for the gpr counter
        field.
        (alpha_setup_incoming_varargs) <TARGET_ABI_OSF>: Make use of the
        saved va_list_gpr_size and va_list_fpr_size.

2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
        both pointers or both integers.

        * tree-vrp.c (maybe_add_assert_expr): Don't assert
        ASSERT_EXPRs for single-use variable.

        * tree-into-ssa.c: Fix a comment typo.

2005-04-17  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
        -mipsN before forcing a default of -mips2.

2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>

        * predict.h (IS_TAKEN): Remove.
        * rtl.h (NOTE_PREDICTION): Likewise.

        * modulo-sched.c (CFG_HOOKS): Remove.

        * c-parser.c (N_C_TTYPES): Remove.

        * tree-flow-inline.h (get_stmt_operands): Remove.
        * lambda-code.c, tree-ssa-loop-unswitch.c,
        tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
        tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
        tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
        calls to get_stmt_operands.
        * doc/tree-ssa.texi: Don't mention get_stmt_operands.

2005-04-17  Richard Henderson  <rth@redhat.com>

        PR target/20375
        * config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy
        of CUMULATIVE_ARGS past the last named argument.
        (alpha_va_start): Expect pretend_args_size only if strictly less than
        6 named arguments.

2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>

        PR middle-end/21024
        * builtins.c (expand_builtin_strcat): Convert the result of
        strlen to the right type.
        * fold-const.c (fold_binary) <PLUS_EXPR>: Use fold_convert to
        avoid creating type mismatches.
        <GE_EXPR>: Pass op0 and op1 to fold_build2 to avoid creating
        type mismatches.

        * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.

2005-04-16  Richard Henderson  <rth@redhat.com>

        PR target/21051
        * builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
        Use the mode of boolean_type_node when the user doesn't provide one.
        * config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.

2005-04-16  Alexandre Oliva  <aoliva@redhat.com>

        PR target/20126
        * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
        (const)).

        * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
        comment.

2005-04-16  Roger Sayle  <roger@eyesopen.com>
            Steven Bosscher  <stevenb@suse.de>

        * fold-const.c (fold_binary_to_constant): Delete obsolete comment.
        (fold_unary_to_constant): Likewise.

2005-04-16  Kazu Hirata  <kazu@cs.umass.edu>

        * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
        PROP_ASM_SCAN.

2005-04-16  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (Specific): Avoid using asterisks in @anchor
        names related to target triplets.
        Remove i?86-*-esix from platform directory.
        Remove powerpc-*-eabiaix from platform directory.

2005-04-16  Joseph S. Myers  <joseph@codesourcery.com>

        PR middle-end/20491
        * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
        falling through from SUBREG case to REG.

2005-04-15  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold_relational_hi_lo): Delete function and prototype.
        (fold_binary): Update comment mentioning fold_relational_hi_lo.
        (fold_binary_to_constant): Simplify using fold_binary.
        (fold_unary_to_constant): Likewise, simplify using fold_unary.

2005-04-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * gthr-posix.c (pthread_cancel): Define.
        (pthread_mutexattr_init): Likewise.
        (pthread_mutexattr_settype): Likewise.
        (pthread_mutexattr_destroy): Likewise.

2005-04-15  David S. Miller  <davem@davemloft.net>

        PR target/20673
        * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).

2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>

        PR tree-optimization/21031
        * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New.
        (forward_propagate_into_cond_1): Call it.  Forward propagate
        integer-integer casts into COND_EXPRs.

2005-04-15  Dave Korn  <dave.korn@artimi.com>

        * gcc.c (default_compilers): Clarify obscure error message when
        reading from standard input.

2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>

        * basic-block.h (PROP_EQUAL_NOTES): Remove.
        * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.

        * tree-ssa-alias.c (init_alias_info): Remove a call to
        get_stmt_operands.

2005-04-15  Andrew MacLeod  <amacleod@redhat.com>

        * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
        of non-virtual PHI nodes like we use to.

2005-05-15  Paolo Bonzini  <bonzini@gnu.org>

        * genattrtab.c (ATTR_EQ_ATTR_P): Remove.
        (attr_copy_rtx): Do not use it.

2005-04-15  Andrew Macleod  <amacleod@redhat.com>

        * doc/tree-ssa.texi: Grammer/abbreviation updates.

2005-04-15  Diego Novillo  <dnovillo@redhat.com>

        * tree-vect-transform.c (vectorizable_store): Mark necessary
        objects in the vectorized store needing renaming.  Update the
        SSA graph for V_MAY_DEF operands in the original store.

2005-04-14  Daniel Berlin <dberlin@dberlin.org>

        * tree-ssa-pre.c (compute_avail): It's okay to have
        TREE_INVARIANT's here, and value number the resulting expressions.
        (create_expression_by_pieces): Make sure operands that were
        min_invariant when we started, stay that way.

2005-04-15  David Edelsohn  <edelsohn@gnu.org>

        * doc/install.texi (*-ibm-aix*): Add comment about system limits.

2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>

        PR tree-optimization/20936.
        * tree-ssa-ccp.c (visit_assignment): Fix a typo.

2005-04-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * doc/invoke.texi: Fix typos.
        * doc/md.texi: Likewise.
        * doc/rtl.texi: Likewise.
        * doc/sourcebuild.texi: Likewise.
        * doc/tm.texi: Likewise.

2005-04-15  Uros Bizjak  <uros@kss-loka.si>

        PR tree-optimization/21004
        * convert.c (convert_to_integer): Convert ceilf, ceill, floorf
        and floorl in c99 mode only.
        * builtins.c (expand_builtin_int_roundingfn): Assert that
        fallback_fndecl is not NULL_TREE.

2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>

        * cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
        * basic-block.h: Update the prototype for
        purge_all_dead_edges.
        * cfgexpand.c (tree_expand_cfg): Update a call to
        purge_all_dead_edges.
        * combine.c (combine_instructions): Likewise.
        * passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
        rest_of_handle_cse2, rest_of_handle_gcse,
        rest_of_handle_postreload): likewise.

2005-04-15  Alexandre Oliva  <aoliva@redhat.com>

        PR middle-end/20739
        * gimplify.c (gimplify_addr_expr): Compensate for removal of
        e.g. cv-qualification conversions.

2005-04-14  Mike Stump  <mrs@apple.com>

        * config/darwin-c.c (framework_construct_pathname): We must
        find all headers of a framework in the first instance of it
        found in the seach path.

2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>

        PR tree-optimization/21021
        * tree-vrp.c (compare_values): Work around a bug in the front
        end that produces a comparison of mismatched types.

2004-04-14  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.h (enum fetchop_code): Remove.
        (enum ia64_builtins): Move ...
        * config/ia64/ia64.c (enum ia64_builtins): ... here.  Remove all
        members except BSP and FLUSHRS.
        (ia64_init_builtins): Remove __sync builtins.
        (ia64_expand_builtin): Likewise.
        (ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove.
        (ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove.
        (ia64_expand_lock_release): Remove.
        * config/ia64/ia64.md (mf): Move to sync.md.
        (mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si,
        cmpxchg_acq_di, xchgsi, xchgdi): Likewise.
        * config/ia64/sync.md: New file.
        (memory_barrier): Rename from mf.
        (fetchadd_acq_<I48MODE>): Macroize from _si/_di patterns.
        (cmpxchg_acq_<I48MODE>): Likewise.
        (sync_lock_test_and_set<I48MODE>): Likewise.

        * config/ia64/ia64intrin.h: Define nothing for C; limit #defines
        to c++.  Remove __sync* declarations.  s/_si/_4/.  s/_di/_8/.

2004-04-14  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (x86_cmpxchg, x86_xadd): New.
        (ix86_compare_emitted): New.
        (ix86_expand_compare): Use ix86_compare_emitted if set.
        (ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0
        and ix86_compare_op0 are set.
        * config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare.
        (TARGET_CMPXCHG, TARGET_XADD): New.
        (ix86_compare_emitted): Declare.
        * config/i386/i386.md: Include sync.md
        (UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New.
        (UNSPECV_XCHG, UNSPECV_LOCK): New.
        * config/i386/sync.md: New file.

2004-04-14  Richard Henderson  <rth@redhat.com>

        PR middle-end/14311
        * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
        BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
        BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
        BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
        BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
        BT_FN_I8_VPTR_I8_I8): New.
        * builtins.def (DEF_SYNC_BUILTIN): New.
        (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
        BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
        BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
        BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
        BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
        BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
        BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
        BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
        BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
        BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
        BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
        BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
        BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
        BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
        BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
        BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
        BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
        BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
        BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
        BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
        BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
        BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
        BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
        BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
        BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
        BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
        BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
        BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
        BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
        BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
        BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
        BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
        BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
        BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
        BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
        BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
        BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
        BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
        BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
        BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
        BUILT_IN_SYNCHRONIZE: New.
        * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
        as a function.  Accept __sync_ as a prefix as well.
        (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
        expand_builtin_lock_test_and_set, expand_builtin_synchronize,
        expand_builtin_lock_release): New.
        (expand_builtin): Call them.
        * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
        neither BOTH_P nor FALLBACK_P are defined.
        (builtin_type_for_size): New.
        (sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
        (resolve_overloaded_builtin): New.
        * c-common.h (resolve_overloaded_builtin): Declare.
        (builtin_type_for_size): Declare.
        * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
        * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
        sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
        sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
        sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
        sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
        sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
        sync_compare_and_swap_cc, sync_lock_test_and_set,
        sync_lock_release): New.
        * optabs.h: Declare them.
        * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
        expand_sync_operation, expand_sync_fetch_operation,
        expand_sync_lock_test_and_set): Declare.
        * genopinit.c (optabs): Add sync optabs.
        * optabs.c (init_optabs): Initialize sync optabs.
        (expand_val_compare_and_swap_1, expand_val_compare_and_swap,
        expand_bool_compare_and_swap, expand_compare_and_swap_loop,
        expand_sync_operation, expand_sync_fetch_operation,
        expand_sync_lock_test_and_set): New.
        * doc/extend.texi (Atomic Builtins): New section
        * doc/md.texi (Standard Names): Add sync patterns.

2005-04-14  Alexandre Oliva  <aoliva@redhat.com>

        * tree-eh.c (lower_try_finally_copy): Generate new code in
        response to goto_queue entries as if the queue was sorted by
        index, not pointers.
        (lower_try_finally_switch): Likewise.

2005-04-14  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (ix86_expand_sse_cmp): Split out from ...
        (ix86_expand_sse_movcc): ... here.  Take cmp as a pre-computed
        register.
        (ix86_expand_fp_movcc): Update to match.
        (ix86_expand_fp_vcond, ix86_expand_int_vcond): New.
        * config/i386/i386-protos.h: Update.
        * config/i386/sse.md (vcondv4sf, vcondv2df): New.
        (vcond<SSEMODE124>, vcondu<SSEMODE12>): New.

2005-04-14  Joseph S. Myers  <joseph@codesourcery.com>

        * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
        refer to 4.0.

2005-04-14  Julian Brown  <julian@codesourcery.com>

        * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
        link failures on ppc64 Linux.

2005-04-14  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config.gcc: Set cpu_type for s390.

2005-04-14  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/20963
        * tree-ssa-pre.c (compute_avail): Remove special case for
        TREE_INVARIANT.
        (create_expression_by_pieces): Add value numbers for forced out
        statements.

2005-04-14  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.md: Replace references to (reg:SI 16) with
        (reg:SI CRIS_SRP_REGNUM).

2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>

        PR tree-optimization/20657
        * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
        create an appropriate range from it.

2005-04-14  Uros Bizjak  <uros@kss-loka.si>

        * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
        <UNSPEC_FIST_CEIL> case.

        * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
        (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
        (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
        to implement lfloor and llfloor built-ins as x87 intrinsic function.
        (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
        (lfloor<mode>2): New expanders.
        (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
        (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
        to implement lceil and llceil built-ins as x87 intrinsic function.
        (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
        (lceil<mode>2): New expanders.

2005-04-14  Uros Bizjak  <uros@kss-loka.si>

        * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
        and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.

2005-04-14  Ulrich Weigand  <uweigand@de.ibm.com>

        PR target/20927
        * config/s390/s390-modes.def: Define TFmode.

2005-04-13  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
        (JUMP_TABLES_IN_TEXT_SECTION): Define.
        * config/mips/mips.c (mips16_insn_length): Remove reference to
        JUMP_TABLES_IN_TEXT_SECTION.

2005-04-13 Fariborz Jahanian <fjahanian@apple.com>

        * simplify-rtx.c (simplify_binary_operation_1): Return
        scalar or vector of constant 0, depending on the xor's
        mode.

2005-04-13  Dale Johannesen  <dalej@apple.com>

        * objc/Make-lang.in (objc-lang.o):  Depend on tree-gimple.h.
        (objc-act.o):  Ditto.
        * objc/objc-act.c (objc_gimplify_expr):  New.
        (objc_get_callee_fndecl):  New.
        * objc/objc-act.h:  Include tree-gimple.h.  Declare new functions.
        * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Define.
        (LANG_HOOKS_GET_CALLEE_FNDECL):  Define.

2005-04-13  Devang Patel  <dpatel@apple.com>

        * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
        temp variables.

2005-04-13  Hans-Peter Nilsson  <hp@axis.com>

        CRIS prologue as RTL.
        * config/cris/cris-protos.h (cris_emit_movem_store)
        (cris_expand_prologue): Prototype.
        * config/cris/cris.c (struct machine_function): New member
        stdarg_regs.
        (cfa_label_num, cris_target_asm_function_prologue): Remove.
        (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
        (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
        (cris_load_multiple_op, cris_return_address_on_stack)
        (cris_return_address_on_stack_for_return): ISO-Cify.
        (cris_store_multiple_op): New predicate function.
        (cris_expand_prologue, cris_emit_movem_store): New functions.
        (cris_print_operand) <case 'O'>: Handle modifications other than
        post-increment.
        (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
        (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
        (cris_gen_movem_load): Rearrange slightly to make local variable
        src a parameter, removing osrc.
        (cris_setup_incoming_varargs): Set machine_function member
        stdarg_regs to correspond to the number of registers that need to
        be saved.
        * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
        CRIS_UNSPEC_GOT.
        (PREDICATE_CODES): Add cris_store_multiple_op.  Make
        cris_general_operand_or_gotless_symbol accept UNSPEC.
        * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
        ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
        ("*cris_store_multiple"): New pattern.  Tweak common comment above
        this and "*cris_load_multiple".
        ("prologue"): New define_expand.

        * config/cris/cris.md ("epilogue"): Conditionalize on
        TARGET_PROLOGUE_EPILOGUE.

2005-04-13  Steve Ellcey  <sje@cup.hp.com>

        PR target/20924
        * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
        fpsr 0 instead of fpsr 1.
        (divsf3_internal_thr): Ditto.
        (divdf3_internal_lat): Ditto.
        (divdf3_internal_thr): Ditto.
        (divxf3_internal_lat): Ditto.
        (divxf3_internal_thr): Ditto.

2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>

        PR tree-optimization/20913
        * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.

        PR tree-optimization/20702
        * tree-vrp.c (maybe_add_assert_expr): Recurse into
        dominator children that haven't been walked into.

2005-04-13  Julian Brown  <julian@codesourcery.com>

        * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
        being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
        is true.

2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>

        * basic-block.h, tree-ssa-uncprop.c, varasm.c,
        config/i386/sse.md: Fix comment typos.

        * genattrtab.c (NULL_ATTR): Remove.
        * ifcvt.c (NULL_EDGE): Likewise.

        * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.

        * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
        NOTE_PREDICT): Remove.

2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
        * configure: Regenerate.
        * config.in: Likewise.
        * system.h: Declare vsnprintf if not already declared.

2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * optc-gen.awk: Handle stand-alone Mask records.
        * opth-gen.awk: Likewise.
        * doc/options.texi (Option file format): Document them.
        * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
        sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
        (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
        * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
        MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
        MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
        MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
        MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
        MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
        (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
        TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
        TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
        TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
        TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
        TARGET_LONG_DOUBLE_128): Likewise.
        (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
        (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
        * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
        * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
        * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
        * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
        * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
        * config/sparc/sparc.c (fpu_option_set): New global.
        (sparc_handle_option): New function.
        (sparc_override_options): Test fpu_option_set.
        (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
        (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
        * config/sparc/sparc.opt: New file.
        * config/sparc/little-endian.opt: Likewise.
        * config/sparc/long-double-switch.opt: Likewise.

2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
        (bfin_handle_options): Set it if -mshared-library-id= is seen.
        * config/bfin/bfin.opt (mshared-library-id=): Lose
        Var(bfin_lib_id_given).

2005-04-13  Matt Thomas  <matt@3am-software.com>

        * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
        defining.

2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>

        * rtl.h (CLEAR_RTX_FLAGS): Remove.

        * cgraphunit.c (INSNS_PER_CALL): Remove.

        * tree-ssa-forwprop.c (vars,
        record_single_argument_cond_exprs,
        substitute_single_use_vars): Remove.
        (forward_propagate_into_cond_1, forward_propagate_into_cond):
        New.
        (tree_ssa_forward_propagate_single_use_vars): Call
        forward_propagate_into_cond for each COND_EXPR.

        * tree-inline.c (INSNS_PER_STMT): Remove.

2005-04-12  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
        (ix86_expand_sse_fp_minmax): ... from ...
        (ix86_expand_fp_movcc): ... here.
        (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
        * config/i386/i386-protos.h: Update.
        * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
        (sse_setccsf, sse_setccdf): Allow before reload.
        (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
        (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
        (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
        * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
        (anddf3, nanddf3, iordf3, xordf3): New.

2005-04-12  Jeff Law  <law@redhat.com>

        * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
        (tree-ssa-uncprop.o): Add dependencies.
        * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
        * tree-flow.h (remove_useless_stmts): Remove prototype.
        * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
        remove_useless_stmts.
        * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
        * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
        * tree-pass.h (pass_uncprop): Declare.
        * tree-ssa-uncprop.c: New file.

2005-04-12  James E. Wilson  <wilson@specifixinc.com>

        PR target/20670
        * unwind-ia64.c (uw_intall_context): Add missing load of r27.

2005-04-12  Caroline Tice  <ctice@apple.com>

        Temporary fix for partitioning problems.
        * passes.c (rest_of_handle_final): Remove code that
        frees unlikely_text_section_name,
        * varasm.c (assemble_start_function): Test for partitioning
        flag before writing out section labels.
        (assemble_end_function): Test for partitioning flag before
        writing out section labels.

2005-04-12  Steven Bosscher  <stevenb@suse.de>
            Stuart Hastings <stuart@apple.com>
            Jan Hubicka  <jh@suse.cz>

        * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
        references to gt-tree-cfg.h.
        * basic-block.h (struct basic_block_def): Don't skip rbi
        for garbage collection.
        (struct reorder_block_def): Make GTY-able.
        (struct control_flow_graph): New structure.
        (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
        BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
        but instead defines to the control_flow_graph for cfun.
        (label_to_block_map): New define, points to the label map of
        the control_flow_graph for cfun.
        (n_edges_for_function, n_basic_blocks_for_function,
        last_basic_block_for_function, basic_block_info_for_function,
        EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
        basic_block_info_for_function, label_to_block_map_for_function):
        Counterparts for the above, taking a struct function as an extra
        argument.
        (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
        * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
        basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
        (alloc_rbi_pool, free_rbi_pool): Remove.
        (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
        * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
        here...
        (cfg_layout_finalize) ... and don't free it here.
        * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
        garbage collected.
        * flow.c (free_basic_block_vars): Set label_to_block_map and
        n_edges to zero too.
        * function.h (struct function): Add cfg field.
        * function.c (allocate_struct_function): Allocate the cfg.
        * tree-cfg.c (label_to_block_map): Remove.
        (build_tree_cfg): Don't allocate the rbi pool here...
        (delete_tree_cfg_annotations): ...and don't free it here.
        Also don't nullify label_to_block_map for cfun.

2005-04-12  Caroline Tice  <ctice@apple.com>

        * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
        Revert my patch from April 9.
        (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
        (reorder_basic_blocks): Revert my patch from April 9.
        (insert_section_boundary_note): Revert my patch from April 9.
        * dbxout.c (dbxout_function_end): Revert my patch from April 9.
        * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
        (COLD_END_LABEL):  Revert my patch from April 9.
        (cold_text_section_label):  Revert my patch from April 9.
        (cold_end_label): Revert my patch from April 9.
        (dwarf2out_switch_text_section): Revert my patch from April 9.
        (output_aranges): Revert my patch from April 9.
        (output_ranges):  Revert my patch from April 9.
        (output_line_info): Revert my patch from April 9.
        (add_location_or_const_value_attribute):  Revert my patch from April 9.
        (dwarf2out_var_location): Revert my patch from April 9.
        (dwarf2out_init):  Revert my patch from April 9.
        (dwarf2out_finish): Revert my patch from April 9.
        * function.h (struct function): Revert my patch from April 9.
        * opts.c (decode_options): Revert my patch from April 9.
        * output.h (unlikely_section_label, hot_section_label,
        hot_section_end_label, cold_section_end_label,
        unlikely_text_section_name): Revert my patch from April 9.
        * passes.c (rest_of_handle_final): Revert my patch from April 9.
        * varasm.c (unlikely_section_label, hot_section_label,
        hot_section_end_label, cold_section_end_label,
        unlikely_text_section_name): Revert my patch from April 9.
        (initialize_cold_section_name): Revert my patch from April 9.
        (unlikely_text_section): Revert my patch from April 9.
        (in_unlikely_text_section): Revert my patch from April 9.
        (named_section): Revert my patch from April 9.
        (function_section): Revert my patch from April 9.
        (current_function_section): Revert my patch from April 9.
        (assemble_start_function): Revert my patch from April 9.
        (assemble_end_function): Revert my patch from April 9.
        (default_section_type_flags_1): Revert my patch from April 9.

2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
        * config/sparc/sparc.md (untyped_call): Save the registers manually.

        * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.

2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>

        PR middle-end/20917
        * config/s390/s390.md ("*set_tp"): Use SET in pattern.
        ("set_tp_64", "set_tp_31"): Adapt expanded pattern.

2004-04-12  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
        UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
        UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
        (UNSPEC_*, UNSPECV_*): Renumber.

2005-04-12  Frank Ch. Eigler  <fche@redhat.com>

        PR mudflap/19266
        From Richard Henderson <rth@redhat.com>:
        * tree-mudflap.c (mf_build_check_statement_for): Correct block
        splitting logic.

2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>

        * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.

2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.c (bfin_library_id_string): Remove.
        (bfin_library_id): New variable.
        (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
        instead of bfin_library_id_string.
        (bfin_handle_option): New function.
        (override_options): Remove most code to deal with shared library IDs,
        just check they aren't used without -mid-shared-library.
        (TARGET_HANDLE_OPTION): Define.
        * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
        * config/bfin/bfin.opt (mshared-library-id=): New.

2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-vect-transform.c: Fix comment typos.

2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>

        * postreload-gcse.c (eliminate_partially_redundant_load): Don't
        split critical edges when not possible/profitable.

2005-04-12  Richard Sandiford  <rsandifo@redhat.com>

        * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
        (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
        (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
        (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
        (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
        (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
        (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
        * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
        MASK_NO_BITFIELD.
        * config/ns32k/ns32k.c (ns32k_handle_option): New function.
        (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
        * config/ns32k/ns32k.opt: New file.

2005-04-12  Richard Sandiford  <rsandifo@redhat.com>

        * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
        * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
        (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
        (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
        (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
        (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
        (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
        (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
        (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
        (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
        (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
        (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
        (MASK_COLDFIRE): Formatting fixes.
        (TARGET_COLDFIRE): Turn into a boolean value for consistency.
        * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
        * config/m68k/m68k.c (m68k_library_id_string): Initialize to
        "_current_shared_library_a5_offset_".
        (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
        (MASK_ALL_CPU_BITS): New macro.
        (m68k_handle_option): New function.
        (override_options): Remove handling of m68k_library_id_string.
        * config/m68k/m68k.opt: New file.
        * config/m68k/ieee.opt: New file.

2005-04-11  Mark Mitchell  <mark@codesourcery.com>

        * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
        (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
        (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
        (TARGET_CXX): Adjust accordingly.
        * target.h (struct gcc_target): Remove epxort_class_data.  Add
        determine_class_data_visibility and class_data_always_comdat.
        * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
        (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
        (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
        * config/arm/arm.c (arm_cxx_export_class_data): Remove.
        (arm_cxx_determine_class_data_visibility): New.
        (arm_cxx_class_data_always_comdat): Likewise.
        (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
        (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
        (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
        * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
        * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
        Define.

2005-04-11  Devang Patel  <dpatel@apple.com>

        * tree-data-ref.c (build_classic_dist_vector,
        compute_subscript_distance): Make externally visible.
        * tree-data-ref.h (build_classic_dist_vector,
        compute_subscript_distance): Same.
        * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
        Check distance vector against vectorization factor.
        (vect_analyze_loop): Determine vectorizaion factor before
        analyzing data dependences.
        * tree-vectorizer.c (loops_num): Make it externally visible and
        rename ...
        * tree-vectorizer.c (vect_loops_num): ... new name.
        * tree-vectorizer.h  (vect_loops_num): New.

2005-04-11  Devang Patel  <dpatel@apple.com>

        * tree-vect-analyze.c (vect_analyze_operations): Check
        vectorizable codition.
        * tree-vect-transform.c (vect_is_simple_cond): New function.
        (vectorizable_condition): New function.
        (vect_transform_stmt): Handle condition_vec_info_type.
        * tree-vectorizer.h (enum stmt_vec_info_type): Add
        condition_vec_info_type.
        (vectorizable_condition): New.

2005-04-11  Geoffrey Keating  <geoffk@apple.com>

        * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
        * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
        * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.

        * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
        (SUBTARGET_EXTRA_SPECS): Always 'i386'.

        * dwarf2out.c (output_line_info): Don't try to dereference
        a NULL current_function_decl.

        * config/t-slibgcc-darwin: Don't put shared libraries in
        directories other than $(slibdir).
        * config/rs6000/darwin.h: Find -m64 libgcc under the name the
        OS uses for it.

2005-04-11  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/20933
        * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
        logic to reject aliases between read-only and writable
        variables ...
        (may_alias_p): ... here.
        (get_tmt_for): Do not associate read-only tags to pointers
        whose pointed-to type is not read-only.
        * tree-ssa.c (verify_ssa): Check that memory stores have at
        least one V_MAY_DEF or V_MUST_DEF.

2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        PR/17092
        * configure.ac (gcc_UNLOCKED_FUNCS): New.
        (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
        * system.h (putchar, getc, getchar, clearerr, feof, fileno,
        fflush, fgetc, fgets, ferror, fread): Redefine to the associated
        _unlocked function.
        (fwrite_unlocked): Fix prototype.

        * configure, config.in: Regenerate.

2005-04-11  David Edelsohn  <edelsohn@gnu.org>

        * tree-ssa-loop-im.c: Include real.h.
        (determine_invariantness_stmt): If real division divisor is
        invariant and flag_unsafe_math_optimizations enabled, generate
        invariant reciprocal for hoisting.
        * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.

2005-04-11  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/20926

        * tree-ssa-alias.c (add_type_alias): Handle subvars.

2005-04-11  Devang Patel  <dpatel@apple.com>

        * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
        operand ordering.

2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>

        * fold-const.c (fold_binary_op_with_conditional_arg):
        use fold_buildN instead of "fold (buildN" in some
        non obvious places.
        (fold_unary): Likewise.
        (fold_binary): Likewise.

2005-04-11  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/20612
        * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
        handling
        (perfect_nestify): preheaderbb is *not* part of loop of the
        old destination.

2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree-ssa-alias.c (may_alias_p): If the variable
        is a global variable and the pointer is parameter
        and -fargument-noalias-global is used, then
        the pointer cannot alias the variable.

2005-04-11  James A. Morrison  <phython@gcc.gnu.org>

        * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
        * config/sparc/sparc.h: Likewise.
        * config/sparc/sparc.md: Likewise.

2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-vrp.c (maybe_add_assert_expr): Move a comment.

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

2005-04-11  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/20920
        * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
        SSA_NAME flows through an abnormal edge.
        * tree-vrp.c (infer_value_range): Ignore SSA names that flow
        through abnormal edges.
        (maybe_add_assert_expr): Likewise.

2005-04-11  Richard Sandiford  <rsandifo@redhat.com>

        * config/s390/s390.h (s390_tune_string, s390_arch_string)
        (s390_warn_framesize_string, s390_warn_dynamicstack_string)
        (s390_stack_size_string, s390_stack_guard_string, target_flags)
        (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
        (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
        (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
        (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
        (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
        (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
        (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
        * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
        (TARGET_HANDLE_OPTION): Likewise.
        (s390_tune): Initialize to PROCESSOR_max.
        (s390_arch_string): Make static.
        (s390_tune_string, s390_warn_framesize_string): Delete.
        (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
        (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
        (s390_handle_arch_option, s390_handle_option): New functions.
        (override_options): Remove parsing of option strings.
        * config/s390/s390.opt: New file.

2005-04-11  Paolo Bonzini  <bonzini@gnu.org>

        * tree-complex.c (expand_vector_operations): Call
        update_stmt_if_modified.

2005-04-11  Paolo Bonzini  <bonzini@gnu.org>

        * tree-vect-analyze (vect_determine_vectorization_factor):
        Do not use GET_MODE_NUNITS.
        * tree-vect-transform.c (vect_get_vec_def_for_operand,
        (vectorizable_load, vect_transform_loop): Likewise.

2005-04-11  Uros Bizjak  <uros@kss-loka.si>

        * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
        (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
        * optabs.h (enum optab_index): Add new OTI_lceil.
        (lceil_optab): Define corresponding macro.
        * optabs.c (init_optabs): Initialize lceil_optab.
        * genopinit.c (optabs): Implement lceil_optab using lceilsi2
        and lceildi2 patterns.
        * builtins.c (expand_builtin_int_roundingfn): Handle
        BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
        (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
        BUILT_IN_LLCEIL{,F,L}.
        (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
        BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
        (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
        (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
        BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
        * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
        into lceil built-in function and (long long int)ceil{,f,l} into
        llceil built-in function.
        * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
        BUILT_IN_LLCEIL.

2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
        zero.

2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>

        * config/arm/arm.c: Fix a comment typo.
        * doc/tree-ssa.texi: Fix a typo.

2005-04-10  Steven Bosscher  <stevenb@suse.de>

        * cselib.c (clear_table): Rename to cselib_clear_table.
        * cselib.h (cselib_clear_table): Add prototype.
        * gcse.c (gcse_main): Make 'f' argument unused.
        (alloc_gcse_mem): Do not walk the insn chain, walk the contents
        of each basic block instead.
        (compute_sets, compute_hash_table_work): Likewise.
        (constprop_register): Change int 'alter_jumps' argument to bool.
        (do_local_cprop): Likewise.
        (local_cprop_pass): Likewise.  Also walk basic blocks instead of
        the insn chain.  Explicitly clear the cselib tables after finishing
        one basic block.  Make sure there are no unterminated libcall blocks.
        Update compute_sets call.
        (cprop): Walk basic blocks instead of the insn chain.
        (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
        Likewise.
        (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
        one_cprop_pass calls.

2005-04-10  Richard Sandiford  <rsandifo@redhat.com>

        * combine.c (combine_simplify_rtx): Remove a transformation that
        relies on an invalid assumption about rtl sign-extension semantics.

2005-04-10  Richard Sandiford  <rsandifo@redhat.com>

        * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
        to build_int_cst_wide.

2005-04-09  Alexandre Oliva  <aoliva@redhat.com>

        PR target/20126
        * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
        set the original address pseudo to the correct value before the
        original insn, if possible, and leave the insn alone, otherwise
        create a new pseudo, set it and replace it in the insn.
        * recog.c (validate_change_maybe_volatile): New.
        * recog.h (validate_change_maybe_volatile): Declare.

2005-04-09  Caroline Tice  <ctice@apple.com>

        * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
        Remove targetm.have_named_sections test.
        (fix_edges_for_rarely_executed_code): Likewise.
        (insert_section_boundary_note): Likewise.
        (reorder_basic_blocks): Check partitioning flag before calling
        verify_hot_cold_block_grouping.
        * dbxout.c (dbxout_function_end): Get hot/cold section labels from
        the function struct rather than global variables.
        * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
        (COLD_END_LABEL): Likewise
        (cold_text_section_label): New static global variable.
        (cold_end_label): Likewise.
        (dwarf2out_switch_text_section): Get hot/cold section labels from
        the function struct rather than global variables.
        (output_aranges): Use cold_text_section_label and cold_end_label;
        check partitioning flag before putting out delta.
        (output_ranges): Remove incorrect code attempting to use
        hot/cold labels.
        (output_line_info): Get cold section label from function struct.
        (add_location_or_const_value_attribute): Likewise.
        (get_subprogram_die): Get hot/cold section labels from function struct.
        (dwarf2out_var_location): Likewise.
        (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
        write out cold_text_section_label if partition flag is set.
        (dwarf2out_finish): Write out cold_end_label if partition flag is set;
        * function.h (struct function): Add new fields to point to hot/cold
        section labels: hot_section_label, cold_section_label,
        hot_section_end_label and cold_section_end_label; also add new field
        for cold text section name, unlikely_text_section_name.
        * opts.c (decode_options): Turn off partitioning flag if
        !targetm.have_named_sections.
        * output.h (hot_section_label): Remove.
        (hot_section_end_label): Remove.
        (cold_section_end_label): Remove.
        (unlikely_section_label): Remove.
        (unlikely_text_section_name): Remove.
        * passes.c (rest_of_handle_final):  Remove code that frees
        unlikely_text_section_name.
        * varasm.c (unlikely_section_label): Remove.
        (hot_section_label): Remove.
        (hot_section_end_label): Remove.
        (cold_section_end_label): Remove.
        (unlikely_text_section_name):  Remove.
        (initialize_cold_section_name): Modify to call
        targetm.strip_name_encoding; to store cold section name in current
        function struct, if it exists; and to only use the decl_section_name
        if flag_named_sections is true.
        (unlikely_text_section): Modify to get section name out of current
        function struct, if there is one; otherwise build it from
        UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
        (in_unlikely_text_section): Likewise.
        (named_section): Modify to get/put cold section name in current function
        struct, if there is one.
        (function_section):  Change 'bool unlikely' to 'int reloc'; check
        targetm.have_named_sections before calling named_section.
        (current_function_section): Likewise.
        (assemble_start_function): Modify to get/put unlikely_text_section_name
        in current function struct; modify to get hot/cold section labels
        from function struct; initialize labels using
        ASM_GENERATE_INTERNAL_LABEL;
        test partitioning flag before writing out hot section label.
        (assemble_end_function): Test partitioning flag before writing out
        hot/cold section labels.
        (default_section_type_flags_1):  Modify to use array instead of
         char* for unlikely_text_section_name; set flags correctly for
         cold text section if there is not a current function decl.

2005-04-09  Jakub Jelinek  <jakub@redhat.com>

        * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
        and TI_VA_LIST_FPR_COUNTER_FIELD.
        (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
        * tree-pass.h (pass_stdarg): Add.
        * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
        * tree-stdarg.c: New file.
        * tree-stdarg.h: New file.
        * Makefile.in (OBJS-common): Add tree-stdarg.o.
        (tree-stdarg.o): Add dependencies.
        * function.h (struct function): Add va_list_gpr_size and
        va_list_fpr_size fields.
        * function.c (allocate_struct_function): Initialize them.
        * target.h (struct gcc_target): Add stdarg_optimize_hook.
        * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
        (TARGET_INITIALIZER): Add it.

        * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
        va_list_{g,f}pr_counter_field.
        (ix86_setup_incoming_varargs): Don't do anything if reg_save
        area will not be used.  Only save registers that tree-stdarg.c
        detected they need saving.
        (ix86_va_start): Don't set up fields that won't be used.

        * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
        va_list_{g,f}pr_counter_field.
        (setup_incoming_varargs): Don't do anything if reg_save
        area will not be used.  Only save registers that tree-stdarg.c
        detected they need saving.
        (rs6000_va_start): Don't set up fields that won't be used.

        * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
        (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
        (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
        (TARGET_STDARG_OPTIMIZE_HOOK): Define.

2005-04-09  Jakub Jelinek  <jakub@redhat.com>

        PR target/20795
        * config/i386/i386.c (construct_container): Pass empty aligned
        struct, union or class in memory.

2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>

        * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
        tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
        config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
        config/rs6000/predicates.md: Fix comment typos.

        * sched-int.h (haifa_insn_data): Remove blockage and units.
        (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
        ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
        MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.

2005-04-09  Jan Hubicka  <jh@suse.cz>
            Steven Bosscher  <stevenb@suse.de>

        * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
        * cfgloop.c (get_loop_exit_edges): Likewise.
        * cfgloopmanip.c (fix_irreducible_loops): Likewise.
        (unloop): Likewise.
        * loop-unroll.c (analyze_insns_in_loop): Likewise.
        * tree-cfg.c (dump_cfg_status): Likewise.

2005-04-09  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/predicates.md (altivec_register_operand): Remove
        redundant match_code test.
        (gpc_reg_operand): Same.
        (cc_reg_operand): Same.
        (cc_reg_not_cr0_operand): Same.

2005-04-09  Jan Hubicka  <jh@suse.cz>

        Forgotten hunk from my last merge patch:
        * final.c (output_addr_const): Do not call mark_referenced.

2005-04-09  Andrew MacLeod  <amacleod@redhat.com>

        * doc/tree-ssa.texi: Add immediate use documentation.

2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>

        * arm.c (FL_WBUF): Define.
        (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
        (arm_is_6_or_7): Delete.
        (arm_tune_wbuf): New.
        (arm_override_options): Set arm_tune_wbuf.
        * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
        (arm_is_6_or_7): Delete declaration.
        (arm_tune_wbuf): New declartion.
        * arm.md (is_strongarm): Derive from arm_tune_strongarm.
        (model_wbuf): Derive from arm_tune_wbuf.
        * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
        (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
        (arm740t): Mark CPUs as having a write buffer.

2005-04-09  Uros Bizjak  <uros@kss-loka.si>

        * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
        of 'const_double_operand' in operand 2 constraints.  Update enable
        condition.

2005-04-09  Uros Bizjak  <uros@kss-loka.si>

        * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
        (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
        * optabs.h (enum optab_index): Add new OTI_lfloor.
        (lfloor_optab): Define corresponding macro.
        * optabs.c (init_optabs): Initialize lfloor_optab.
        * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
        and lfloordi2 patterns.
        * builtins.c (expand_builtin_int_roundingfn): New prototype.
        (expand_builtin_int_roundingfn): New function.
        (fold_builtin_int_roundingfn): New prototype.
        (fold_builtin_int_roundingfn): New function, renamed from
        fold_builtin_lround.
        Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
        BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
        (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
        BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
        (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
        (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
        BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
        * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
        into lfloor built-in function and (long long int)floor{,f,l} into
        llfloor built-in function.
        * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
        BUILT_IN_LLFLOOR.

2005-04-08  Ian Lance Taylor  <ian@airs.com>

        * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
        CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
        * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
        (DO_COND, DO_BODY): Likewise.
        (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
        (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
        (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
        BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
        (build_continue_stmt, build_break_stmt): Don't declare.
        (c_do_switch_warnings): Update declaration.
        * c-gimplify.c (enum bc_t): Remove.
        (struct c_gimplify_ctx, ctxp): Remove.
        (push_context, pop_context): Remove static functions.
        (c_genericize): Don't call push_context or pop_context.
        (begin_bc_block, finish_bc_block): Remove static functions.
        (build_bc_goto): Likewise.
        (gimplify_c_loop): Likewise.
        (gimplify_for_stmt, gimplify_while_stmt): Likewise.
        (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
        (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
        DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
        * c-common.c (c_do_switch_warnings): Rename from
        c_do_switch_warnings_1.
        (c_do_switch_warnings) [old version]: Remove.
        (c_do_switch_expr_warnings): Remove.
        * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
        function instead of c_do_switch_expr_warnings.
        * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
        CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
        * c-pretty-print.c (pp_c_statement): Likewise.
        * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.

2005-04-08  Devang Patel  <dpatel@apple.com>

        * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
        While selecting replacement condition pay attention to loop header.

2005-04-08  Diego Novillo  <dnovillo@redhat.com>

        Merge from tree-cleanup-branch: VRP, store CCP, store
            copy-prop, incremental SSA updating of FUD chains and
            newly exposed symbols.

        * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
        (OBJS-common): Add tree-vrp.o.
        (tree-vrp.o): New rule.
        * basic-block.h (nearest_common_dominator_for_set): Declare.
        * common.opt (ftree-store-ccp): New flag.
        (ftree-copy-prop): New flag.
        (ftree-vrp): New flag.
        (ftree-store-copy-prop): New flag.
        * dominance.c (nearest_common_dominator_for_set): New.
        * domwalk.c (walk_dominator_tree): Only traverse
        statements in blocks marked in walk_data->interesting_blocks.
        * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
        * fold-const.c (fold): Handle ASSERT_EXPR.
        * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
        Set flag_tree_store_ccp, flag_tree_store_copy_prop and
        flag_tree_vrp at -O2.
        * timevar.def (TV_TREE_VRP): Define.
        (TV_TREE_COPY_PROP): Define.
        (TV_TREE_STORE_COPY_PROP): Define.
        (TV_TREE_SSA_INCREMENTAL): Define.
        (TV_TREE_STORE_CCP): Define.
        * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
        to kill_redundant_phi_nodes from comment.
        (verify_expr): Handle ASSERT_EXPR.
        * tree-dfa.c (mark_new_vars_to_rename): Remove second
        argument.  Update all users.
        (mark_call_clobbered_vars_to_rename): Remove.  Update all
        users.
        * tree-flow-inline.h (unmodifiable_var_p): New.
        * tree-flow.h (enum value_range_type): Declare.
        (struct value_range_def): Declare.
        (value_range): Declare.
        (remove_all_phi_nodes_for): Remove.  Update all users.
        (find_phi_node_for): Declare.
        (add_type_alias): Declare.
        (count_uses_and_derefs): Declare.
        (kill_redundant_phi_nodes): Remove.
        (rewrite_into_ssa): Remove.
        (rewrite_def_def_chains): Remove.
        (update_ssa, register_new_name_mapping, create_new_def_for,
        need_ssa_update_p, name_registered_for_update_p,
        release_ssa_name_after_update_ssa, dump_repl_tbl,
        debug_repl_tbl, dump_names_replaced_by,
        debug_names_replaced_by, mark_sym_for_renaming,
        mark_set_for_renaming, get_current_def, set_current_def,
        get_value_range, dump_value_range, debug_value_range,
        dump_all_value_ranges, debug_all_value_ranges,
        expr_computes_nonzero, loop_depth_of_name,
        unmodifiable_var_p): Declare.
        * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
        ASSERT_EXPR.
        * tree-into-ssa.c (block_defs_stack): Update comment.
        (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
        syms_to_rename, names_to_release, repl_tbl,
        need_to_initialize_update_ssa_p, need_to_update_vops_p,
        need_to_replace_names_p): New locals.
        (NAME_SETS_GROWTH_FACTOR): Define.
        (struct repl_map_d): Declare.
        (struct mark_def_sites_global_data): Add field
        interesting_blocks.
        (enum rewrite_mode): Declare.
        (REGISTER_DEFS_IN_THIS_STMT): Define.
        (compute_global_livein): Use last_basic_block instead of
        n_basic_blocks.
        (set_def_block): Remove last argument.  Update all callers.
        (prepare_use_operand_for_rename): Remove.  Update all callers.
        (prepare_def_operand_for_rename): Remove.  Update all callers.
        (symbol_marked_for_renaming): New.
        (is_old_name): New.
        (is_new_name): New.
        (repl_map_hash): New.
        (repl_map_eq): New.
        (repl_map_free): New.
        (names_replaced_by): New.
        (add_to_repl_tbl): New.
        (add_new_name_mapping): New.
        (mark_def_sites): Assume that all the operands in the
        statement are in normal form.
        (find_idf): Assert that the block in the stack is valid.
        (get_default_def_for): New.
        (insert_phi_nodes_for): Add new argument 'update_p'.
        Add documentation.
        If update_p is true, add a new mapping between the LHS of
        each new PHI and the name that it replaces.
        (insert_phi_nodes_1): Only call find_idf if needed.
        (get_reaching_def): Call get_default_def_for.
        (rewrite_operand): Remove.
        (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
        and REWRITE_THIS_STMT are false.
        Assume that all the operands in the statement are in
        normal form.
        (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
        (rewrite_virtual_phi_arguments): Remove.
        (invalidate_name_tags): Remove.
        (register_new_update_single, register_new_update_set,
        rewrite_update_init_block, replace_use,
        rewrite_update_fini_block, rewrite_update_stmt,
        rewrite_update_phi_arguments): New.
        rewrite_blocks): Remove argument 'fix_virtual_phis'.
        Add arguments 'entry', 'what' and 'blocks'.
        Initialize the dominator walker according to 'what' and
        'blocks'.
        Start the dominator walk at 'entry'.
        (mark_def_site_blocks): Add argument 'interesting_blocks'.
        Use it to configure the dominator walker.
        (rewrite_into_ssa): Remove argument 'all'.
        Make internal.
        (rewrite_all_into_ssa): Remove.
        (rewrite_def_def_chains): Remove.
        (mark_def_interesting, mark_use_interesting,
        prepare_phi_args_for_update, prepare_block_for_update,
        prepare_def_site_for, prepare_def_sites,
        dump_names_replaced_by, debug_names_replaced_by,
        dump_repl_tbl, debug_repl_tbl, init_update_ssa,
        delete_update_ssa, create_new_def_for,
        register_new_name_mapping, mark_sym_for_renaming,
        mark_set_for_renaming, need_ssa_update_p,
        name_registered_for_update_p, ssa_names_to_replace,
        release_ssa_name_after_update_ssa,
        insert_updated_phi_nodes_for, update_ssa): New.
        * tree-loop-linear.c (linear_transform_loops): Call
        update_ssa instead of rewrite_into_ssa.
        * tree-optimize.c (vars_to_rename): Remove.
        Update all users.
        (init_tree_optimization_passes): Replace
        pass_redundant_phi with pass_copy_prop.
        Add pass_vrp.
        Replace pass_ccp with pass_store_ccp.
        Add pass_store_copy_prop after pass_store_ccp.
        (execute_todo): If the TODO_ flags don't include updating
        the SSA form, assert that it does not need to be updated.
        Call update_ssa instead of rewrite_into_ssa and
        rewrite_def_def_chains.
        If TODO_verify_loops is set, call verify_loop_closed_ssa.
        (tree_rest_of_compilation):
        * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
        TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
        TODO_cleanup_cfg): Renumber.
        (TODO_verify_loops, TODO_update_ssa,
        TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
        TODO_update_ssa_only_virtuals): Define.
        (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
        Declare.
        * tree-phinodes.c (make_phi_node): Update documentation.
        (remove_all_phi_nodes_for): Remove.
        (find_phi_node_for): New.
        * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
        * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
        (interpret_rhs_modify_expr): Likewise.
        * tree-sra.c (decide_instantiations): Mark all symbols in
        SRA_CANDIDATES for renaming.
        (mark_all_v_defs_1): Rename from mark_all_v_defs.
        (mark_all_v_defs): New function.  Update all users to call it
        with the whole list of scalarized statements, not just the
        first one.
        * tree-ssa-alias.c (count_ptr_derefs): Make extern.
        (compute_flow_insensitive_aliasing): If the tag is
        unmodifiable and the variable isn't or vice-versa, don't
        make them alias of each other.
        (setup_pointers_and_addressables): If the type tag for
        VAR is about to change, mark the old one for renaming.
        (add_type_alias): New.
        * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
        (ccp_lattice_t): Rename from latticevalue.
        (value): Remove.  Update all users.
        (const_val): New local variable.
        (do_store_ccp): New local variable.
        (dump_lattice_value): Handle UNINITIALIZED.
        (debug_lattice_value): New.
        (get_default_value): Re-write.
        (set_lattice_value): Re-write.
        (def_to_varying): Remove.  Update all users.
        (likely_value): Return VARYING for statements that make
        stores when STORE_CCP is false.
        Return VARYING for any statement other than MODIFY_EXPR,
        COND_EXPR and SWITCH_EXPR.
        (ccp_initialize): Re-write.
        (replace_uses_in, replace_vuse_in, substitute_and_fold):
        Move to tree-ssa-propagate.c.
        (ccp_lattice_meet): Handle memory stores when
        DO_STORE_CCP is true.
        (ccp_visit_phi_node): Likewise.
        (ccp_fold): Likewise.
        (evaluate_stmt): Likewise.
        (visit_assignment): Likewise.
        (ccp_visit_stmt): Likewise.
        (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
        into DO_STORE_CCP.
        (do_ssa_ccp): New.
        (pass_ccp): Use it.
        (do_ssa_store_ccp): New.
        (gate_store_ccp): New.
        (pass_store_ccp): Declare.
        * tree-ssa-copy.c: Include tree-ssa-propagate.h.
        (may_propagate_copy): Reformat.
        Don't abort if ORIG is a virtual and DEST isn't.
        If NEW does not have alias information but DEST does,
        copy it.
        (copy_of, cached_last_copy_of, do_store_copy_prop, enum
        copy_prop_kind, which_copy_prop): Declare.
        (stmt_may_generate_copy, get_copy_of_val,
        get_last_copy_of, set_copy_of_val, dump_copy_of,
        copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
        copy_prop_visit_stmt, copy_prop_visit_phi_node,
        init_copy_prop, fini_copy_prop, execute_copy_prop,
        gate_copy_prop, do_copy_prop, gate_store_copy_prop,
        store_copy_prop): New.
        (pass_copy_prop, pass_store_copy_prop): Declare.
        * tree-ssa-dom.c (struct opt_stats_d): Add fields
        'num_const_prop' and 'num_copy_prop'.
        (cprop_operand): Update them.
        (dump_dominator_optimization_stats): Dump them.
        (tree_ssa_dominator_optimize): Call update_ssa instead of
        rewrite_into_ssa.
        (loop_depth_of_name): Declare extern.
        (simplify_cond_and_lookup_avail_expr): Guard against NULL
        values for LOW or HIGH.
        (cprop_into_successor_phis): Only propagate if NEW != ORIG.
        (record_equivalences_from_stmt): Call expr_computes_nonzero.
        (cprop_operand): Only propagate if VAL != OP.
        * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
        statement for renaming.
        * tree-ssa-loop-im.c (move_computations): Call update_ssa.
        * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
        add_type_alias if necessary.
        Call mark_new_vars_to_rename.
        (tree_ssa_iv_optimize): If new symbols need to be renamed,
        mark every statement updated, call update_ssa and
        rewrite_into_loop_closed_ssa.
        * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
        from LIVEIN if VAR is a virtual.
        * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
        * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
        (get_call_expr_operands): Reformat statement.
        (add_stmt_operand): Don't create V_MAY_DEFs for read-only
        symbols.
        * tree-ssa-propagate.c (ssa_prop_init): Initialize
        SSA_NAME_VALUE for every name.
        (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
        get_value_loaded_by): New.
        (replace_uses_in, replace_vuses_in, replace_phi_args_in,
        substitute_and_fold): Move from tree-ssa-ccp.c.
        * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
        first_vdef, stmt_makes_single_load, stmt_makes_single_store,
        get_value_loaded_by, replace_uses_in, substitute_and_fold):
        Declare.
        * tree-ssa.c (verify_use): Fix error message.
        (propagate_into_addr, replace_immediate_uses, get_eq_name,
        check_phi_redundancy, kill_redundant_phi_nodes,
        pass_redundant_phi): Remove.  Update all users.
        * tree-vect-transform.c (vect_create_data_ref_ptr): Call
        add_type_alias, if necessary.
        * tree-vectorizer.h (struct _stmt_vect_info): Update
        documentation for field 'memtag'.
        * tree-vrp.c: New file.
        * tree.def (ASSERT_EXPR): Define.
        * tree.h (ASSERT_EXPR_VAR): Define.
        (ASSERT_EXPR_COND): Define.
        (SSA_NAME_VALUE_RANGE): Define.
        (struct tree_ssa_name): Add field 'value_range'.
        (PHI_REWRITTEN): Remove.
        (struct tree_phi_node): Remove field 'rewritten'.
        * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
        -ftree-store-copy-prop): Document.
        * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
        Document usage of update_ssa.

2005-04-08  David Edelsohn  <edelsohn@gnu.org>

        PR target/20814
        * config/rs6000/predicates.md (altivec_register_operand): Accept
        SUBREG.
        (and64_operand): Do not limit CONST_INT to mask64_operand.
        (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
        (and_operand): Do not limit CONST_INT to mask_operand.

2005-04-09  Hans-Peter Nilsson  <hp@axis.com>

        PR rtl-optimization/20466
        * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
        for overlap of the address of each list member.
        (mark_set_1): Call invalidate_mems_from_set for MEMs too.

2005-04-08  Mike Stump  <mrs@apple.com>

        * config/darwin.c (indirect_data): Fix typo in strncmp logic.

        * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
        instead of 4.

2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>

        * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.

        * function.c (push_function_context_to): Don't set
        contains_functions.
        * function.h (function): Remove contains_functions.
        (current_function_contains_functions): Remove.

        * function.h (function): Remove instrument_entry_exit.
        (current_function_instrument_entry_exit): Remove.

        * function.h (nonlocal_labels): Remove.

        * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.

        * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
        (check_attr_value, write_attr_get, write_expr_attr_cache,
        find_attr, make_internal_attr): Don't reference negative_ok or
        unsigned_p.
        * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
        ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
        (ATTR_STATIC): Adjust the value.

        * c-common.h (C_ARTIFICIAL_STRING_P): Remove.

2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/tpf.h (ASM_SPEC): Define.

2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-flow.h: Remove the prototype for
        redirect_immediate_uses.
        (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.

2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>

        * arm.c (arm_const_double_by_parts): New function.
        * arm-protos.h (arm_const_double_by_parts): Add prototype.
        * arm.md (define_split for 64-bit constants): Add another one.

2005-04-08  Andrew MacLeod  <amacleod@redhat.com>

        * tree-ssa-operands.c (correct_use_link): Remove linear scan.

2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * system.h: Revert last change.

2005-04-08  Richard Sandiford  <rsandifo@redhat.com>

        * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
        (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
        (TARGET_SWITCHES): Delete.
        * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
        * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
        TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
        * config/xtensa/xtensa.opt: New file.

2005-04-08  Ben Elliston  <bje@au.ibm.com>

        * config/fp-bit.c: Include L_mul_tf in #endif comment.
        * config/fp-bit.h: Tidy comments.

2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * system.h: Poison PARAMS.

2005-04-07  Richard Sandiford  <rsandifo@redhat.com>

        * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
        (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
        (TARGET_SWITCHES): Delete.
        * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
        * config/vax/vax.opt: New file.

2005-04-07  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.

2005-04-07  Ian Lance Taylor  <ian@airs.com>

        * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
        define.
        * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
        * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
        Likewise.

2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
        all immediate uses in PHI nodes.

2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>

        * arm.c (arm_const_double_inline_cost): Handle any constant by
        using gen_lowpart and gen_highpart_mode.
        (note_invalid_constants): All constants in an RTX with a constraint
        that permits memory are now pushed to the constant pool.
        (output_move_double): Delete code to handle reg to reg and
        constant to reg moves.
        (const_double_needs_minipool, output_mov_immediate): Delete.
        * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
        CONST_INT and CONST_VECTOR.
        * arm.md (ANY64): New mode macro.
        (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
        (movdf_soft_insn): Split reg-reg and const-reg moves.
        (split patterns for 64-bit constant and register moves): New.
        * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
        (cirrus_movdf_hard_insn): Likewise.
        * fpa.md (movdf_fpa): Likewise.
        * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
        (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
        constraints.
        (movv2si_internal_2): Likewise.
        * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
        (movdf_vfp): Likewise.
        * arm-protos.h (output_mov_immediate): Delete prototype.

2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>

        PR target/20093
        * simplify-rtx.c (simplify_unary_operation_1): Check
        SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.

2005-04-06  James E Wilson  <wilson@specifixinc.com>

        PR target/20717
        * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
        ADDR_EXPR.

2004-04-06  Richard Sandiford  <rsandifo@redhat.com>

        * coverage.h (GCOV_TYPE_NODE): Delete.
        * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
        (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
        * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
        (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
        * value-prof.c (tree_divmod_fixed_value_transform): Delete.

2004-04-06  Richard Sandiford  <rsandifo@redhat.com>

        PR other/20792
        * Makefile.in (gcc.pot): Remove options.c dependency.
        * optc-gen.awk: Don't quote help strings with N_().

2005-04-06  James A. Morrison  <phython@gcc.gnu.org>

        * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
        the function returns a pointer type.

2005-04-06  Daniel Berlin  <dberlin@dberlin.org>

        * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
        * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
        * doc/invoke.texi: Documnet salias-max-implicit-fields.
        * tree-ssa-alias.c (struct used_part): Add implicit_uses and
        explicit_uses members.
        (get_or_create_used_part_for): Initialize new fields.
        (fieldoff_compare): New function.
        (create_overlap_variables_for): Count number of fields, use
        heuristic to determine whether to create subvars for vars with
        only implicit uses.
        Sort the field list by offset and avoid creating duplicate SFT's.

2005-04-06  Richard Sandiford  <rsandifo@redhat.com>

        * c.opt (-F): Remove trailing whitespace from help string.
        (-finput-charset): Use a tab to separate the switch name and help
        string.
        * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
        (-ftree-vectorizer-verbose): Likewise.

2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
        a PHI argument where a use occurs instead of all PHI arguments.

2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>

        * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
        scope.

2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>

        * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
        tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
        config/bfin/bfin.h: Fix comment typos.

2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>

        * doc/install.texi: Update the URL for Jacks.
        * doc/sourcebuild.texi: Likewise.

2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/17245
        * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
        Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.

2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>

        * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.

2005-04-06  Richard Sandiford  <rsandifo@redhat.com>

        * config/v850/v850-protos.h (override_options): Delete.
        * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
        (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
        (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
        (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
        (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
        (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
        (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
        (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
        (OVERRIDE_OPTIONS): Delete.
        (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
        (small_memory_info): Remove the value field.
        (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
        TARGET_NO_APP_REGS.
        * config/v850/v850.c (small_memory): Remove the value field.
        (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
        (override_options): Delete.
        (v850_handle_memory_option, v850_handle_option): New functions.
        * config/v850/v850.opt: New file.

2005-04-06  Geoffrey Keating  <geoffk@apple.com>

        * config.host: Add a section for generic hosts, and a subsection
        for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
        * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
        * config/host-darwin.h: New.
        * config/x-darwin: New.
        * config/i386/host-i386-darwin.c: New.
        * config/i386/x-darwin: New.
        * config/rs6000/host-darwin.c: Include host-darwin.h.
        (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
        (darwin_rs6000_gt_pch_use_address): Likewise.
        * config/rs6000/x-darwin: Change name of .o built, update
        dependencies for changes to rs6000/host-darwin.c.

2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>

        PR target/17824
        * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.

2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>

        * tree-vect-analyze.c (vect_analyze_loop_form): Call
        split_loop_exit_edge instead of loop_split_edge_with.

2005-04-06  Paolo Bonzini  <bonzini@gnu.org>

        * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
        UNSPEC_SET_VSCR): New constants, used throughout.
        (*andc3_v4sf): New.
        (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
        Replace with...
        (altivec_vspltis<VI_char>): ... this pattern, using
        a QImode const_int_operand for the immediate.
        (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
        define_expands.

2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>

        PR target/17822
        * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.

2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>

        * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.

2005-04-06  Ben Elliston  <bje@au.ibm.com>

        * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
        DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
        macros as living in "this file" and not gcc.h.

2005-04-06  Ben Elliston  <bje@au.ibm.com>

        * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
        -ftree-live_range_split.  Perhaps renamed at some point?

2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>

        PR target/20625
        * tree-ssa-loop-ivopts.c (generic_type_for): New function.
        (add_candidate_1): Use generic_type_for instead of unsigned_type_for.

2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-flow.h (number_of_iterations_cond): Declaration removed.
        * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
        (number_of_iterations_special): New function.
        (number_of_iterations_exit): Use number_of_iterations_special.
        Use simplify_using_outer_evolutions only at -O3.
        (number_of_iterations_cond, tree_simplify_using_condition,
        simplify_using_initial_conditions, loop_niter_by_eval,
        compare_trees, can_count_iv_in_wider_type_bound,
        simplify_using_outer_evolutions): Use fold_build.

2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>

        * doc/install.texi (Configuration): Document --with-java-home.

2005-04-05  Richard Henderson  <rth@redhat.com>

        PR target/20342
        PR target/20447
        * config/i386/i386.c (print_operand): Handle vector zeros.
        (ix86_split_to_parts): Handle CONST_VECTOR.
        (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
        (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
        what modes to tie for MMX and SSE registers.
        * config/i386/i386.h (MMX_REG_MODE_P): Remove.
        * config/i386/i386.md: Extend move 0 -> xor peephole to apply
        to vector modes as well.
        * config/i386/predicates.md (const0_operand): Handle VOIDmode
        properly as an input mode.

2005-04-05  Andrew MacLeod  <amacleod@redhat.com>

        * tree-ssa-operands.c (verify_abort): Use %p for pointers.

2005-04-05  Andrew MacLeod  <amacleod@redhat.com>

        * tree-pretty-print.c (dump_generic_node): Use %p for pointer.

2005-04-05  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
        and local functions, set sse_nregs to 8 and float_in_sse.
        (function_arg_advance, function_arg): If float_in_sse, pass
        SFmode and DFmode arguments in SSE registers.
        * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.

        * config/i386/i386.c (ix86_value_regno): Only optimize local functions
        of -funit-at-a-time.

2005-04-05  Paolo Bonzini  <bonzini@gnu.org>

        * config/i386/i386-protos.h (ix86_function_value): Accept two
        arguments, like the target macro.
        * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
        * config/i386/i386.c (ix86_function_value): Accept the second
        argument of the target macro.
        (ix86_function_ok_for_sibcall): Pass a function pointer to
        ix86_function_value.
        (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
        call to ix86_value_regno).
        (ix86_value_regno): Add support for returning floating point values
        in SSE registers.

2005-04-05  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/20076
        * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
        that call __builtin_return or __builtin_apply_args.

2005-04-05  Andrew MacLeod  <amacleod@redhat.com>

        * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
        Use immediate use iterator.
        (stmt_is_bumper_for_loop): Use immediate use iterator.
        * predict.c (strip_builtin_expect): Use update_stmt.
        * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
        on all elements of a STATEMENT_LIST.
        (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
        (bsi_remove): Remove imm_use links and mark the stmt as modified.
        (bsi_replace): Mark stmt as modified and the update it.
        * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
        (expand_complex_libcal): Call update_stmt.
        (expand_complex_comparison): Call mark_stmt_modified.
        (expand_complex_operations_1): Call update_stmt_if_modified.
        (expand_vector_operations_1): Call mark_stmt_modified.
        * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
        compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
        add_immediate_use, redirect_immediate_use,
        redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
        dump_immediate_uses_for, debug_immediate_uses_for): Delete.
        (mark_new_vars_to_rename): Call update_stmt.
        * tree-dump.c (dump_option_value_in): Add "stmtaddr".
        * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
        Ignore PHI nodes.
        (unmodify_stmt): Delete.
        (update_stmt): New.  Force an update of a stmt.
        (update_stmt_if_modified): update a stmt if it is out of date.
        (get_stmt_operands): Verify stmt is NOT modified.
        (stmt_modified_p): Update comment.
        (delink_imm_use): Remove a use node from its immuse list.
        (link_imm_use_to_list): Link a use node to a specific list.
        (link_imm_use): Link a node to the correct list.
        (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
        it in the correct list, if appropriate.
        (link_imm_use_stmt): Link a use node, and set the stmt pointer.
        (relink_imm_use): Link a use node in place of another node in a list.
        (relink_imm_use_stmt): LInk a node in place of another node, and set
        the stmt pointer.
        (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
        (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
        (first_safe_imm_use): New.  Initialize a safe immuse iterator.
        (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
        (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
        (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
        (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
        (has_zero_uses): New.  Return true if there are no uses of a var.
        (has_single_use): New.  Return true if there is only a single use of a
        variable.
        (single_imm_use): New.  Return the simgle immediate use.
        (num_imm_uses): New.  Return the number of immediate uses.
        (get_v_must_def_ops): Use is now a pointer.
        (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
        get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
        the use node.
        (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
        (delink_stmt_imm_use): Delink all immuses from a stmt.
        (phi_arg_index_from_use): New.  Return a phi arg index for a use.
        * tree-flow.h (struct dataflow_d): Delete.
        (immediate_use_iterator_d): New.  Immediate use iterator struct.
        (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
        (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
        (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe
        iteration.
        (struct stmt_ann_d): Remove dataflow_t from struct.
        * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
        (if_convertible_phi_p): Use FAST immuse iterator.
        (if_convertible_loop_p): Don't call compute_immediate_uses.
        (replace_phi_with_cond_modify_expr): Call update_stmt.
        * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
        update_stmt_if_modified.
        (rewrite_all_into_ssa): Initialize ssa operands.
        * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
        compute_immediate_uses.
        * tree-optimize.c (execute_todo): Call verify_ssa whenever the
        ssa_property is available.
        (execute_one_pass):  Change parameters passed to execute_todo.
        * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
        (remove_ssa_form): Call fini_ssa_operands.
        (insert_backedge_copies): Delete call to modify_stmt.
        * tree-phinodes.c (make_phi_node): Initialize use nodes.
        (release_phi_node): Delink any use nodes before releasing.
        (resize_phi_node): Relink any use nodes.
        (remove_phi_arg_num): Delink the use node.
        (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
        (remove_all_phi_nodes_for): Release phi node first.
        * tree-pretty-print.c (dump_generic_node): Print stmt address.
        * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
        (scalarize_use, scalarize_copy): Call update_stmt.
        * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
        (compute_points_to_and_addr_escape): Call mark_stmt_modified.
        * tree-ssa-cpp.c (need_imm_uses_for): Delete.
        (ccp_initialize): Remove call to compute_immediate_uses.
        (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
        * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
        stmts.
        (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
        (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
        (eliminate_redundant_computations): Call mark_stmt_modified.
        (cprop_operand): Call mark_stmt_modified.
        (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
        * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
        (dse_optimize_stmt): Use new immuse interface.
        (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
        * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
        (substitute_single_use_vars): Use new immuse interface.
        (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
        and compute_immediate_uses.
        * tree-ssa-loop-im.c (single_reachable_address): Use new immuse
        interface.
        (rewrite_mem_refs): Call update_stmt.
        (determine_lsm): Remove call to compute_imm_uses and free_df.
        * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
        (try_unroll_loop_completely): Call update_stmt.
        * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
        (rewrite_use_compare): Call update_stmt.
        (compute_phi_arg_on_exit): Insert each stmt before trying to process.
        (rewrite_use) : Call update_stmt.
        * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
        * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
        update_stmt.
        * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
        (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
        (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
        use nodes.
        (initialize_vuse_operand): New.  Initialize a vuse operand.
        (initialize_v_may_def_operand): New.  Initialize a maydef operand.
        (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
        (finalize_ssa_defs): Use stmt parameter.
        (correct_use_link): Ensure a use node is in the correct list, and has
        the correct stmt pointer.
        (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
        finalize_ssa_v_must_defs): Also initialize use nodes.
        (finalize_ssa_stmt_operands): Pass extra stmt operands.
        (build_ssa_operands): Seperate parsing from final operand construction.
        (parse_ssa_operands): New.  Parse entry point for operand building.
        (swap_tree_operands): New.  Swap 2 tree operands.
        (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
        operands.
        (get_expr_operands): Call swap_tree_operands when needed.
        (copy_virtual_operands): Use initialize routines for virtual use ops.
        (create_ssa_artficial_load_stmt): Add extra stmt parameter.
        (verify_abort): New.  Issue imm_use error.
        (verify_imm_links): New Verify imm_use links for a var.
        (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
        (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
        (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
        (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
        * tree-ssa-operands.h (struct use_operand_ptr): Delete.
        (NULL_USE_OPERAND_P) Define.
        (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
        use node.
        (struct vuse_operand_type): New struct.
        (SET_USE): Call set_ssa_use_from_ptr.
        (USE_STMT): Define.
        (PHI_ARG_INDEX_FROM_USE): Define.
        * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
        argument via SET_USE, not PHI_ARG_DEF_TREE.
        * tree-ssa-pre.c (eliminate): Call update_stmt.
        * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
        call free_df.
        * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
        (nearest_common_dominator_of_uses): Use imm_use iterator.
        (statement_sink_location): Use imm_use iterator and interface.
        (execute_sink_code): Don't call compute_immediate_uses or free-df.
        * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
        PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
        * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
        (verify_ssa): Ensure no stmt is marked modify after optimization pass
        if new parameter is true.
        (init_tree_ssa): Don't initialize operand cache here.
        (delete_tree_ssa): Don't destroy operand cache here.
        (propagate_into_addr): Pass in a use pointer, return true if anything
        was changed.
        (replace_immediate_uses): Use imm_use iterator, call update_stmt.
        (check_phi_redundancy): Use imm_use iterator.
        (kill_redundant_phi_nodes): Don't call compute_immediate_uses or
        free_df.
        * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
        (release_ssa_name): Delink node and all elements in its imm_use list.
        * tree-tailcall.c (adjust_return_value): Call update_stmt.
        * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
        * tree-vectorizer.c (need_imm_uses_for): Delete.
        (vectorize_loops): Dont call compute_immediate_uses or free_df.
        * tree.h (struct ssa_imm_use_d): Define.
        (SSA_NAME_IMM_USE_NODE): Define.
        (struct tree_ssa_name): Add imm_use node.
        (PHI_DF): Delete.
        (PHI_ARG_IMM_USE_NODE): Define.
        (struct phi_arg_d): Add imm_use node.
        (struct tree_phi_node): Remove struct dataflow_d element.
        (TDF_STMTADDR): Define.

2005-04-05  Dale Johannesen  <dalej@apple.com>

        * doc/invoke.texi (Optimization Options):  Remove
        duplicate -fcse-follow-jumps.  Add -fweb.
        (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
        (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).

2005-04-05  Per Bothner  <per@bothner.com>

        * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
        to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
        (warn_uninit): Get EXPR_LOCUS from context now instead.
        This fixes a USE_MAPPED_LOCATION testsuite failure.

        * tree-ssa.c (warn_uninitialized_var): Remove useless local.

2005-04-05  Per Bothner  <per@bothner.com>

        * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
        of the artification 'return 0' in main() to BUILTINS_LOCATION.
        * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
        before warning.

2004-04-05  Devang Patel  <dpatel@apple.com>

        * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
        (lhsr<mode>3): ... new name.
        (altivec_vsra<VI_char>): Rename to ..
        (ashr<mode>3): ... new name.
        * config/rs6000/rs6000.c (builtin_description): Rename shift
        operations.

2004-04-05  Paolo Bonzini  <bonzini@gnu.org>

        * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
        gen_lowpart_for_combine.
        * cse.c (gen_lowpart_if_possible): Move...
        * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
        gen_lowpart_SUBREG.
        (gen_lowpart_no_emit_general): Use it.

2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
        overriding.

2005-04-05  Paolo Bonzini  <bonzini@gnu.org>

        * system.h: Fix typo.

2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin-modes.def: New file.
        * config/bfin/bfin-protos.h: New file.
        * config/bfin/bfin.c: New file.
        * config/bfin/bfin.h: New file.
        * config/bfin/bfin.md: New file.
        * config/bfin/bfin.opt: New file.
        * config/bfin/crti.s: New file.
        * config/bfin/crtn.s: New file.
        * config/bfin/elf.h: New file.
        * config/bfin/lib1funcs.asm: New file.
        * config/bfin/predicates.md: New file.
        * config/bfin/t-bfin: New file.
        * config/bfin/t-bfin-elf: New file.
        * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
        Document new attributes.
        (interrupt, interrupt_handler, saveall): Update documentation for
        these attributes.
        * doc/install.texi (Specific): Add entry for the Blackfin.
        * doc/invoke.texi (Blackfin Options): New section.
        * doc/md.texi (Blackfin family): New section to document constraints.
        * config.gcc: Add bfin*-* and bfin*-elf configurations.

2005-04-05  Olivier Hainque  <hainque@adacore.com>

        * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
        match what the system unwinder expects.
        * config/mips/mips.c (mips_frame_set): If we're saving the return
        address register and the dwarf return address column number differs
        from the hard register number, adjust the note reg to refer to the
        former.

2004-04-05  Richard Sandiford  <rsandifo@redhat.com>

        * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
        * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
        (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
        (processor_type): New enum.
        (mn10300_processor): New variable.
        (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
        (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
        * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
        (PROCESSOR_DEFAULT): New macro.
        * config/mn10300/mn10300.c (mn10300_processor): New variable.
        (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
        (mn10300_handle_option, mn10300_override_options): New functions.
        * config/mn10300/mn10300.opt: New file.

2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
            Sebastian Pop <sebastian.pop@cri.ensmp.fr>

        PR tree-optimization/19903
        * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
        that don't fit in their type after conversion.

2005-04-05  Uros Bizjak <uros@kss-loka.si>

        PR target/20421
        * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
        (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
        Allocate local stack slots here.  Set ix86_optimize_mode_switching.
        flag here. Implement using define_insn_and_split.
        (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
        (frndintxf2_mask_pm_i387): New insn patterns.
        (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
        Do not set ix86_optimize_mode_switching flag.
        (ceilsf2, ceildf2, ceilxf2): Same.
        (btruncsf2, btruncdf2, btruncxf2): Same.
        (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.

2005-04-05  Ian Lance Taylor  <ian@airs.com>

        PR debug/9963
        * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
        i386_pe_record_external_function.
        (i386_pe_record_external_function): Update declaration.
        * config/i386/winnt.c (struct extern_list): Add decl field.
        (i386_pe_record_external_function): Add decl parameter.
        (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
        identifier.
        * config/i386/i386-protos.h (i386_pe_record_external_function):
        Update declaration.

2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m68k/m68k-protos.h: Add a prototype for
        valid_dbcc_comparison_p_2.
        * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
        extend_operator, const_uint32_operand, const_sint32_operand,
        general_src_operand, nonimmediate_src_operand,
        memory_src_operand, post_inc_operand, pre_dec_operand,
        pcrel_address): Move to predicates to predicates.md.
        * config/m68k/m68k.h (PREDICATE_CODES): Remove.
        * config/m68k/m68k.md: Include predicates.md.
        * config/m68k/predicates.md: New.

2005-04-04  Roger Sayle  <roger@eyesopen.com>

        * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.

        * fold-const.c (maybe_lvalue_p): Delete orphaned comment.

2005-04-04  Ian Lance Taylor  <ian@airs.com>

        * c-typeck.c (struct c_switch): Rename switch_stmt field to
        switch_expr.
        (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
        (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
        (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
        Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
        * c-common.c (c_do_switch_warnings_1): New static function broken
        out of c_do_switch_warnings.
        (c_do_switch_warnings): Call c_do_switch_warnings_1.
        (c_do_switch_expr_warnings): New function.
        * c-common.h (c_do_switch_expr_warnings): Declare.

2005-04-04  David Edelsohn  <edelsohn@gnu.org>
            Daniel Jacobowitz  <dan@codesourcery.com>

        * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
        trapping divide.
        * rtlanal.c (may_trap_p): Same.

2005-04-04  Dale Johannesen  <dalej@apple.com>

        * ChangeLog:  remove reference to ChangeLog.12.

2005-04-05  Hans-Peter Nilsson  <hp@axis.com>

        CRIS epilogue as RTL.
        * config/cris/cris.md: Change all 0 in unspec 0 to
        CRIS_UNSPEC_PLT.
        (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
        ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
        patterns.
        ("return"): Change to define_expand.  Call cris_expand_return for
        actual expansion.
        ("*return_expanded"): New pattern.
        ("epilogue"): New define_expand.
        * config/cris/cris.h (PREDICATE_CODES): Add
        cris_load_multiple_op.
        * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
        type.
        (enum cris_retinsn_type): New.
        (struct machine_function): New member return_type.
        (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
        (cris_target_asm_function_epilogue): Remove, moving RTLified
        contents to...
        (cris_expand_epilogue): New function.
        (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
        (cris_gen_movem_load, cris_load_multiple_op)
        (cris_return_address_on_stack_for_return, cris_expand_return): New
        functions.
        (cris_target_asm_function_prologue)
        (cris_initial_frame_pointer_offset): Call
        cris_reg_saved_in_regsave_area instead of complicated expression.
        Call cris_return_address_on_stack instead of an expression.
        (cris_print_operand) <case 'o', case 'O'>: New cases.
        (cris_return_address_on_stack): Change return-type to bool.
        (cris_simple_epilogue): Ditto.  Return false if registers are
        saved.
        * config/cris/cris-protos.h (cris_simple_epilogue)
        (cris_return_address_on_stack): Adjust prototype return type.
        (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
        (cris_return_address_on_stack_for_return): New prototypes.

2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>

        * config/frv/frv.h (PREDICATE_CODES): Add CONST to
        gpr_or_int12_operand.

        * config/frv/frv-protos.h: Add a prototype to
        frv_legitimate_memory_operand and frv_const_unspec_p.
        (frv_unspec): Move from frv.c.
        * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
        (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
        (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
        gpr_or_fpr_operand, gpr_or_int12_operand,
        gpr_fpr_or_int12_operand, fpr_or_int6_operand,
        gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
        int6_operand, int5_operand, uint5_operand, uint4_operand,
        uint1_operand, int_2word_operand, uint16_operand,
        upper_int16_operand, integer_register_operand,
        gpr_no_subreg_operand, fpr_operand, even_reg_operand,
        odd_reg_operand, even_gpr_operand, odd_gpr_operand,
        quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
        dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
        move_destination_operand, movcc_fp_destination_operand,
        frv_function_symbol_referenced_p, move_source_operand,
        condexec_dest_operand, condexec_source_operand,
        reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
        const_unspec_operand, gpr_or_memory_operand,
        gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
        icc_operand, fcc_operand, cc_operand, icr_operand,
        fcr_operand, cr_operand, call_operand, sibcall_operand,
        symbolic_operand, relational_operator,
        integer_relational_operator, float_relational_operator,
        ccr_eqne_operator, minmax_operator,
        condexec_si_binary_operator, condexec_si_media_operator,
        condexec_si_divide_operator, condexec_si_unary_operator,
        condexec_sf_conv_operator, condexec_sf_add_operator,
        condexec_memory_operand, intop_compare_operator, acc_operand,
        even_acc_operand, quad_acc_operand, accg_operand: Move to
        predicates.md.
        * config/frv/frv.h (PREDICATE_CODES): Remove.
        * config/frv/frv.md: Include predicates.md.
        * config/frv/predicates.md: New.

2004-04-04  Richard Sandiford  <rsandifo@redhat.com>

        PR target/19537
        * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
        * tree-ssa-loop-ivopts.c: Include langhooks.h.
        (add_standard_iv_candidates_for_size): New function, extracting code
        from add_standard_iv_candidates and parameterizing it by type size.
        (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.

2004-04-04  Richard Sandiford  <rsandifo@redhat.com>

        * system.h (GCOV_SIZE_TYPE): Unposion.
        * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
        (GCOV_TYPE_SIZE): ...this new macro.
        * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
        * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
        (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
        (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
        (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
        instead of unsigned_intSI_type_node.
        * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
        (rtl_gen_one_value_profiler_no_edge_manipulation)
        (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
        * value-prof.c: Include coverage.h.

2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
            Diego Novillo <dnovillo@redhat.com>

        Fix PR tree-optimization/20703
        Fix PR tree-optimization/20725

        * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
        (create_expression_by_pieces): Ditto.
        (valid_in_set): Ditto. Also handle tcc_declaration.
        (find_or_generate_expression): Handle comparison class.
        (insert_into_preds_of_block): Ditto.
        (insert_aux): Ditto.
        (create_value_expr_from): Handle comparison class, recursively
        handle reference nodes.
        (compute_avail): Handle comparison classes, rewrite a little cleaner.
        (execute_pre): Fix spacing.
        (do_fre): Renamed to execute_fre.

2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/invoke.texi (SPARC options): Document that
        -mlittle-endian is not supported on Linux either.

2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/4198
        PR target/12027
        * config.gcc (Obsolete configurations): Remove
        sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
        (sparclite-*-coff*): Delete.
        (sparclite-*-elf*): Likewise.
        (sparc86x-*-elf*): Likewise.
        (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
        * config/sparc/lite.h: Delete.
        * config/sparc/litecoff.h: Likewise.
        * config/sparc/liteelf.h: Likewise.
        * config/sparc/sp86x-elf.h: Likewise.
        * config/sparc/t-sparclite: Likewise.
        * config/sparc/t-sp86x: Likewise.

2005-04-04  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390-protos.h: (s390_comparison,
        s390_alc_comparison, s390_slb_comparison, const0_operand,
        consttable_operand, larl_operand, s_operand,
        shift_count_operand, bras_sym_operand, load_multiple_operation,
        store_multiple_operation, s390_plus_operand): Remove prototypes.
        (s390_legitimate_address_without_index_p): New prototype.
        * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
        to s390.h.
        (s390_comparison, s390_alc_comparison, s390_slb_comparison,
        const0_operand, consttable_operand, larl_operand, s_operand,
        shift_count_operand, bras_sym_operand, load_multiple_operation,
        store_multiple_operation, s390_plus_operand): Move to
        predicates.md.
        (check_mode): Remove.
        (s390_branch_condition_mask): Remove 'static'. Move prototype to
        s390-protos.h.
        (s390_legitimate_address_without_index_p): New.
        * config/s390/s390.h (PREDICATE_CODES): Remove.
        * config/s390/s390.md: Include predicates.md.
        * config/s390/predicates.md: New.

2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/20446
        * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
        * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
        (NEED_INDICATE_EXEC_STACK): Define to 1.
        * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
        (NEED_INDICATE_EXEC_STACK): Define to 1.
        * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
        (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
        (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
        (pic_helper_emitted_p): New global.
        (emit_pic_helper): New function extracted from...
        (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
        Do not call emit_pic_helper if delay_pic_helper is true.
        (sparc_expand_prologue): Pass 'false' to load_pic_register.
        (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
        (sparc_file_end): New function.

2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mcore/mcore-protos.h: Remove the prototypes for
        mcore_arith_reg_operand, mcore_general_movsrc_operand,
        mcore_general_movdst_operand, mcore_reload_operand,
        mcore_arith_J_operand, mcore_arith_K_operand,
        mcore_arith_K_operand_not_0, mcore_arith_M_operand,
        mcore_arith_K_S_operand, mcore_arith_imm_operand,
        mcore_arith_any_imm_operand, mcore_arith_O_operand,
        mcore_literal_K_operand, mcore_addsub_operand,
        mcore_compare_operand, mcore_load_multiple_operation,
        mcore_store_multiple_operation, mcore_call_address_operand.
        Add a prototype for const_ok_for_mcore.
        * config/mcore/mcore.c (mcore_call_address_operand,
        mcore_general_movsrc_operand, mcore_general_movdst_operand,
        mcore_arith_reg_operand, mcore_reload_operand,
        mcore_arith_J_operand, mcore_arith_K_operand,
        mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
        mcore_arith_M_operand, mcore_arith_imm_operand,
        mcore_arith_any_imm_operand, mcore_arith_O_operand,
        mcore_literal_K_operand, mcore_addsub_operand,
        mcore_compare_operand, mcore_load_multiple_operation,
        mcore_store_multiple_operation): Move to predicates.md.
        (const_ok_for_mcore): Export.
        * config/mcore/mcore.h (PREDICATE_CODES): Remove.
        * config/mcore/mcore.md: Include predicates.md.
        * config/mcore/predicates.md: New.

        * config/mcore/predicates.md: Fix a comment typo.

2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
            Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
        * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
        * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
        attribute.
        ("imul"): Removed from "type" attribute.
        ("*muldi3_sign", "muldi3"): Changed type to imuldi.
        ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"):
        Changed type to imulsi.
        ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.

2005-04-04  Richard Sandiford  <rsandifo@redhat.com>

        * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
        (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
        (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
        (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
        (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
        (TARGET_SWITCHES, mcore_stack_increment_string)
        (TARGET_OPTIONS): Delete.
        (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
        than *_BIT constants.
        (TARGET_8ALIGN): #undef old definition before redefining to 1.
        * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
        (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
        (mcore_override_options): Delete mcore_stack_increment code.
        Change use of M340_BIT to MASK_M340.
        * config/mcore/mcore.opt: New file.

2005-04-04  Ian Lance Taylor  <ian@airs.com>

        * config/arm/arm.c (replace_symbols_in_block): Remove static
        function.

2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>

        * config/fr30/fr30-protos.h: Remove the prototypes for
        stack_add_operand, add_immediate_operand,
        high_register_operand, low_register_operand, call_operand,
        di_operand, and nonimmediate_di_operand.
        * config/fr30/fr30.c (stack_add_operand,
        add_immediate_operand, high_register_operand,
        low_register_operand, call_operand, di_operand,
        nonimmediate_di_operand): Move to predicates.md.
        * config/fr30/fr30.h (PREDICATE_CODES): Remove.
        * config/fr30/fr30.md: Include predicates.md.
        * config/fr30/predicates.md: New.

        * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
        LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
        mcore_call_address_operand.

        * config/sh/sh.h (PREDICATE_CODES): Add CONST to
        general_movsrc_operand.

2005-04-04  Alan Modra  <amodra@bigpond.net.au>

        * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
        after freeing.

2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>

        PR target/14812
        * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
        a negated value.

2005-04-04  Richard Henderson  <rth@redhat.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/16104
        * fold-const.c (fold_unary): Fix folding of vector conversions.

2005-04-04  Richard Sandiford  <rsandifo@redhat.com>

        * config.gcc (xstormy16-*-elf): Set extra_options.
        * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
        * config/stormy16/stormy16.opt: New file.

2005-04-04  Richard Sandiford  <rsandifo@redhat.com>

        * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
        (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
        (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
        (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
        (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
        (TARGET_UNIX_ASM): Delete.
        (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
        * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
        * config/pdp11/pdp11.c (pdp11_handle_option): New function.
        (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
        * config/pdp11/pdp11.opt: New file.

2005-04-03  Roger Sayle  <roger@eyesopen.com>
            Alexandre Oliva  <aoliva@redhat.com>

        PR c++/19199
        * fold-const.c (non_lvalue): Split tests into...
        (maybe_lvalue_p): New function.
        (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
        C++ front-end prior to lowering into gimple form.

2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
        BUILT_IN_STRNCASECMP): New.
        * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
        and strndup.

2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>

        PR target/14812
        * arm.md (addsi3_compare0_for_combiner): Delete.
        (addsi3_compare0_scratch_for_combiner): Delete.
        (cmpsi_neg_shiftsi): Delete.
        (compare_negsi_si): New pattern.
        (cmpsi_negshiftsi_si): New pattern.
        (negated_cbranchsi4): Restrict to equality_operator.

        * arm.md (movhi_insn_arch4): delete trailing white space from assembler
        template.

2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>

        * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
        Fix comment typos.

        * doc/install.texi: Fix a typo.

2005-04-03  Steven Bosscher  <stevenb@suse.de>

        PR middle-end/20648
        * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
        a computed goto if the edge to the computed goto block has
        incoming abnormal edges.  Clarify how the function works.

2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>

        * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
        * passes.c (open_dump_file, rest_of_handle_final): Likewise.
        * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
        hash_scan_set, reg_set_between_after_reload_p,
        reg_used_between_after_reload_p, get_avail_load_store_reg,
        eliminate_partially_redundant_load): Likewise.
        * postreload.c (reload_cse_simplify_set,
        reload_combine_note_use): Likewise.
        * predict.c (predict_insn, expected_value_to_br_prob,
        propagate_freq, expensive_function_p): Likewise.
        * print-rtl.c (print_rtx): Likewise.
        * profile.c (instrument_edges, instrument_values,
        compute_branch_probabilities, branch_prob, union_groups,
        tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
        * protoize.c (in_system_include_dir, file_could_be_converted,
        file_normally_convertible, gen_aux_info_file, seek_to_line,
        do_cleaning): Likewise.
        * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
        * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
        * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.

2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>

        * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
        * modulo-sched.c (undo_replace_buff_elem): New structure.
        (kernel_number_of_cycles, ps_unschedule_node,
        undo_generate_reg_moves,free_undo_replace_buff,
        undo_permute_partial_schedule,  loop_single_full_bb_p,
        SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
        build_loops_structure, get_sched_window): New.
        (generate_reg_moves): Return undo_replace_buff_elem and other
        fixes.
        (generate_prolog_epilog): Remove old loop versioning.
        (sms_schedule): Use loop information and loop_version.
        (sms_schedule_by_order): Split part of it to get_sched_window.
        * passes.c (rest_of_handle_sms): call cfg_layout_initialize
        cfg_layout_finalize and free_dominance_info before/after SMS.

2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>

        * cfghooks.c (lv_flush_pending_stmts,
        cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
        lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
        * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
        lv_add_condition_to_bb,
        lv_adjust_loop_header_phi, extract_cond_bb_edges,
        flush_pending_stmts): New in cfg_hooks structure.
        (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
        extract_cond_bb_edges, lv_adjust_loop_header_phi,
        lv_add_condition_to_bb): New declarations.
        * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
        bool.
        (loop_version): Declare.
        * cfgloopmanip.c (cfghooks.h): Include.
        (duplicate_loop_to_header_edge): Change return type to bool.
        (loop_version, lv_adjust_loop_entry_edge): Move here.
        * cfgrtl.c (cfgloop.h): Include.
        (rtl_verify_flow_info_1): Fix.
        (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
        (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
        initialization.
        * tree-cfg.c (tree_lv_adjust_loop_header_phi,
        tree_lv_add_condition_to_bb): New.
        (tree_cfg_hooks): Add new hooks to initialization.
        * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
        lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.

2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>

        * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
        xstormy16_below100_or_register,
        xstormy16_splittable_below100_or_register, and
        nonimmediate_nonstack_operand.

        * config/stormy16/stormy16-protos.h: Remove the prototypes for
        xstormy16_ineqsi_operator, equality_operator,
        inequality_operator, shift_operator,
        xstormy16_below100_operand, xstormy16_below100_or_register,
        xstormy16_splittable_below100_or_register,
        xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
        * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
        equality_operator, inequality_operator,
        xstormy16_below100_operand, xstormy16_below100_or_register,
        xstormy16_splittable_below100_or_register,
        xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
        nonimmediate_nonstack_operand, shift_operator): Move to
        predicates.md.
        * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
        * config/stormy16/stormy16.md: Include predicates.md.
        * config/stormy16/predicates.md: New.

2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>

        * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
        small_int, large_int, reg_or_0_operand, simple_memory_operand,
        equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
        move_operand, power_of_2_operand): Move to predicates.md.
        * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
        PREDICATE_CODE): Remove.
        * config/iq2000/iq2000.md: Include predicates.md.
        * config/iq2000/predicates.md: New.

2005-04-02  Richard Sandiford  <rsandifo@redhat.com>

        * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
        (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
        (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
        (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
        (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
        (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
        (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
        (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
        (TARGET_M68HC11): Delete.
        (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
        * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
        * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
        (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
        (nb_soft_regs): Delete.
        (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
        (m68hc11_override_options): Remove the code that caters for MASK_M6811
        and MASK_M6812 being set simultaneously.  Change the code that sets
        the default m68hc11_soft_reg_count to use integers instead of strings.
        (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
        m68hc11_soft_reg_count (which now has an int type) as the number
        of soft registers.
        * config/m68hc11/m68hc11.opt: New file.

2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>

        * config/fr30/fr30.h (PREDICATE_CODES): Remove
        fp_displacement_operand, sp_displacement_operand.

        * config/m68hc11/m68hc11-protos.h: Add a prototype for
        m68hcc_auto_inc_p.
        Remove the prototypes for tst_operand, cmp_operand,
        stack_register_operand, d_register_operand,
        hard_addr_reg_operand, splitable_operand,
        m68hc11_logical_operator, m68hc11_arith_operator,
        m68hc11_non_shift_operator, m68hc11_shift_operator,
        m68hc11_unary_operator, m68hc11_eq_compare_operator,
        non_push_operand, hard_reg_operand, and
        reg_or_some_mem_operand.
        * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
        extern.
        (tst_operand, cmp_operand, non_push_operand,
        splitable_operand, reg_or_some_mem_operand,
        stack_register_operand, d_register_operand,
        hard_addr_reg_operand, hard_reg_operand,
        m68hc11_eq_compare_operator, m68hc11_logical_operator,
        m68hc11_arith_operator, m68hc11_non_shift_operator,
        m68hc11_shift_operator, m68hc11_unary_operator): Move to
        predicates.md.
        * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
        * config/m68hc11/m68hc11.md: Include predicates.md.
        * config/m68hc11/predicates.md: New.

2005-04-02  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/19345
        * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
        change checked in along with 2005-03-03's patch for debug/20253.
        * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
        (remap_decl): Insert type decl in map earlier.

2005-04-02  Alexandre Oliva  <aoliva@redhat.com>

        PR tree-optimization/20640
        * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
        post-dominator if it has phi nodes.
        (eliminate_unnecessary_stmts): Remove dead phis in all blocks
        before dead statements.

2005-04-02  Alexandre Oliva  <aoliva@redhat.com>

        PR middle-end/20491
        * final.c (alter_subreg): Don't call subreg_regno for a non-REG.

2005-04-02  Alexandre Oliva  <aoliva@redhat.com>

        PR rtl-optimization/20290
        * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
        in every iteration if the entry point is the exit test.

2005-04-02  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.md (attribute "length"): Define.

2005-04-02  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
        (word_offset_memref_operand): New.
        * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
        (indexed_or_indirect_operand): Delete.
        * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
        (indexed_or_indirect_operand): Delete.

        * config/rs6000/t-darwin8: Comment out ppc64 multilib.

        PR 20650
        * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
        a register.

        * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
        * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.

2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>

        * gcc/config/vax/vax.md: Spellcheck, fix whitespace.

2005-04-01  Ian Lance Taylor  <ian@airs.com>

        * gcc.c: Don't include <sys/resource.h> or declare getrusage.
        (rus, prus): Remove static variables.
        (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
        (process_command): Permit report_times and use_pipes together.

2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>

        * c-decl.c (validate_proto_after_old_defn): Look at
        TYPE_MAIN_VARIANT of argument types.

2005-04-01  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (thumb_call_via_label): Include space for SP.
        (arm_output_function_epilogue): Allow call_via_SP.
        (thumb_call_via_reg, arm_file_end): Ditto.
        * config/arm/arm.h (struct machine_function): Include space for SP.
        (thumb_call_via_label): Update declaration.

2005-04-01  Ian Lance Taylor  <ian@airs.com>

        * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
        doing a peephole optimization, once again put any notes in the
        proper position.

2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>

        * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.

2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>

        * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
        (block_alloc, find_free_reg): Likewise.
        * loop-doloop.c (doloop_modify): Likewise.
        * loop-invariant.c (record_use): Likewise.
        * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
        get_iv_value, canon_condition, eliminate_implied_condition,
        eliminate_implied_condition, simplify_using_initial_values,
        shorten_into_mode, canonicalize_iv_subregs,
        iv_number_of_iterations): Likewise.
        * loop-unroll.c (expand_var_during_unrolling): Likewise.
        * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
        unswitch_loop): Likewise.
        * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
        move_movables, replace_call_address, find_and_verify_loops,
        rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
        record_giv, final_giv_value, general_induction_var,
        simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
        loop_giv_dump): Likewise.

        * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
        GCOV_CHECK_WRITING): Remove.
        (gcov_position, gcov_rewrite): Use gcc_assert.
        * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
        gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
        * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
        gcc_assert.

2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-inline.c: Fix a typo.

2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>

        * configure.ac (enable-checking): Explicitly set all variables for
        collective switch values.  Alphabetize variables. Rename
        ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
        synonym for 'no'.
        * doc/install.texi (enable-checking): Update documentation.
        * configure: Rebuilt.

2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
        possible.

2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>

        * arm.c (adjacent_mem_locations): Reject volatile memory refs.
        Also reject cases where this pattern will cause load delay stalls
        unless optimizing for size and it will produce a shorter sequence.
        * arm.md (arith_adjacent_mem): Make better use of ldm addressing
        variants to avoid pre-adjusting the base when possible.

2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>

        * arm.md (minmax_arithsi): Reject all eliminable registers, not just
        the frame and argument pointers.
        (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
        (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
        (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
        (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
        (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
        (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.

2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
        with entry for selectany attribute.
        * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
        Declare.
        * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
        (i386_pe_asm_named_section): Handle sections generated by
        selectany attribute.
        * doc/extend.texi (selectany): Document attribute.

2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
            Jan Hubicka  <jh@suse.cz>

        * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
        to fix addresses involving EBP and ESP.
        (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
        for SUBREGed registers.
        (legitimate_address_p): Accept SUBREGed registers.

2005-04-01  Jakub Jelinek  <jakub@redhat.com>

        PR c++/19406
        * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
        (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
        for FIELD_DECLs.

2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.

2005-04-01  James E Wilson  <wilson@specifixinc.com>

        PR c++/20505
        * dwarf2out.c (rtl_for_decl_init): New function.
        (rtl_for_decl_location): Extracted from here.
        (tree_add_const_value_attribute): Call rtl_for_decl_init and
        add_const_value_attribute.  Delete initializer_constant_valid_p call.

2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>

        * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
        lambda-code.c, loop.c, machmode.def, mips-tfile.c,
        modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
        tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
        config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
        config/i386/i386.md, config/rs6000/predicates.md,
        config/rs6000/rs6000.c, config/s390/fixdfdi.h,
        config/s390/s390.c, config/stormy16/stormy16.c,
        config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
        typos.

2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/17855
        * gimplify.c (gimplify_expr): Create a temporary for lvalue
        COND_EXPR and CALL_EXPR.

2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/20632
        * genautomata.c (first_cycle_unit_presence): Check all alternative
        states for unit presence.

        * doc/md.texi: Remove remark about impossibility to query unit
        presence in non nondeterministic automaton state.

        * config/ia64/ia64.c (get_template): Change order of unit querying.

2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
        obsolete comment.

2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>

        * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
        flag for edges outside any loops.

2005-03-31  Janis Johnson  <janis187@us.ibm.com>

        * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.

2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-alias.c: Follow spelling conventions.
        * doc/tree-ssa.texi: Fix a typo.

2005-03-31  J"orn Rennecke <joern.rennecke@st.com>

        * postreload-gcse.c: Include target.h.
        (gcse_after_reload_main): Return early if we cannot modify jumps.
        * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).

2005-03-31  David Edelsohn  <edelsohn@gnu.org>

        * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
        expensive operations.

2005-03-31  Ian Lance Taylor  <ian@airs.com>

        * collect2.c (lderrout): New variable.
        (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
        if it is set, to stderr.
        (handler): Unlink lderrout if it is set.
        (dump_file): Add "to" parameter.  Change all callers.
        (main): Initialize lderrout.
        (collect_execute): Add errname parameter.  Change all callers.
        Rename redir parameter to outname.  Never pass
        PEX_STDERR_TO_STDOUT to pex_run.
        * collect2.h (collect_execute, dump_file): Update declarations.
        * tlink.c (tlink_execute): Add errname parameter.  Change all
        callers.
        (do_tlink): Check lderrout as well as ldout.

2005-03-31  Caroline Tice  <ctice@apple.com>

        * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
        (bb-reorder.o): Add errors.h to list of requirements.
        (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
        profiledbootstrap flags.
        * bb-reorder.c (errors.h): Add new include.
        (struct bbro_basic_block_data_def): Add new field, in_trace.
        (add_unlikely_executed_notes):  Remove function.
        (mark_bb_for_unlikely_executed_section): Remove function.
        (insert_section_boundary_note): New function.
        (verify_hot_cold_block_grouping): New function.
        (push_to_next_round_p): Remove variables and tests that push all
        cold blocks to last round.
        (find_traces): Remove code that added extra round of trace finding
        when doing partitioning.
        (find_traces_1_round) :  Remove variable last_round;  add code to
        update new struct field, in_trace; correct trace_length where it was
        incorrect before (after call to copy_bb); change code that pushed all
        cold blocks to last round. Instead verify that all blocks going into
        a trace belong in the same partition.
        (connect_traces): Modify to connect the traces in two passes, if the
        function contains both hot and cold blocks.  The first pass connects
        all the traces for blocks in the partition that the first block in
        the function belongs to; the second pass connnects all the traces
        containing blocks that belong in the other partition.
        (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
        code that automatically put the first block in a function into the
        hot partition if the function had any hot blocks.
        (fix_crossing_unconditional_branches): Check number of succ edges
        before attempting to get one.
        (fix_edges_for_rarely_executed_code):  Update comment describing
        function.
        (reorder_basic_blocks):  Add code to initialize new field (in_trace);
        remove call to add_unlikely_executed_notes; add call to
        verify_hot_cold_block_grouping.
        (duplicate_computed_gotos): Don't change computed goto if it's a
        crossing edge.
        (partition_hot_cold_basic_blocks):  Update function comment.
        * cfgcleanup.c (try_simplify_condjump): Remove redundacy from
        condition.
        (try_forward_edges): Likewise.
        (merge_blocks_move_predecessor_nojumps): Likewise.
        (merge_blocks_move_successor_nojumps): Likewise.
        (merge_blocks_move): Likewise.
        (try_crossjump_bb): Likewise.
        * cfglayout.c (update_unlikely_executed_notes): Remove function.
        (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
        notes to cold bb's; remove call to update_unlikely_executed_notes.
        (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
        NOTE_INSN_SWITCH_TEXT_SECTIONS.
        * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
        function declaration.
        * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
        from consideration.
        (rtl_can_merge_blocks): Remove redundancy from condition.
        (try_redirect_by_replacing_jump): Likewise.
        (force_nonfallthru_and_redirect): Remove code for adding
        UNLIKELY_EXECUTED_CODE notes to cold bb's.
        (commit_one_edge_insertion): Likewise.
        (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
        * dbxout.c (FORCE_TEXT): Replace function_section with
        current_function_section.
        (struct dbx_debug_h): Add do_nothing function for new debug_hooks
        function, switch_text_section.
        (struct xcoff_debug): Likewise.
        (dbxout_function_end): Add code to put out label diffs for both
        hot and cold sections.
        * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
        for new debug_hooks funciton, switch_text_section..
        * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
        switch_text_section.
        * dwarf2out.c (struct dw_fde_struct):  Add five new fields:
        dw_fde_hot_section_label, dw_fde_hot_section_end_label,
        dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and
        dw_fde_switched_sections.
        (output_call_frame_info):  Add test to see if function switches text
        sections in the middle; if so, use appropriate extra hot and cold
        section labels to compute size deltas for the hot and cold sections.
        (dwarf2out_begin_prologue): Add code to initialize new fields in
        dw_fde_struct.
        (dwarf2out_switch_text_section): New function (invoked through
        debug_hook); updates new fields in dw_fde_struct appropriately and
        increments separate_line_info_table_in_use.
        (dwarf2_debug_hooks): Initialize switch_text_section function to be
        dwarf2out_switch_text_section.
        (struct var_loc_node): Add new field, section_label.
        (output_aranges): Add code to check whether in hot or cold section and
        use the appropriate label in calculating deltas.
        (output_ranges): Likewise.
        (output_line_info): Add code to check which section we're in and
        use appropriate hot/cold label.
        (add_location_or_constant_value_attribute): Likewise.
        (gen_subprogam_die): Modify arange attributes to use correct labels.
        (dwarf2out_begin_block): Change call to function_section into call to
        current_function_section.
        (dwarf2out_end_block): Likewise.
        (dwarf2out_source_line): Likewise.
        (dwarf2out_var_location): Add code to check whether in hot or cold
        section and use the appropriate label.
        * except.c (output_function_exception_table): Change call to
        function_section into call to current_function_section.
        * final.c (profile_function): Likewise.
        (scan_ahead_for_unlikely_executed_note): Remove function.
        (final_scan_insn):  Remove calls to
        scan_ahead_for_unlikely_executed_note, and related code for switching
        to cold section, except for the single time
        NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to
        debug_hooks->switch_text_sections; replace appropriate calls to
        function_section with calls to current_function_section.
        * ifcvt.c (find_if_case_1): Remove redundancy from condition, add
        test_bb to condition.
        (find_if_case_2): Likewise.
        * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
        NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
        * opts.c (decode_options): Change warning about hot/cold partitioning
        with exceptionss to inform (so as not to cause bootstrap failures);
        remove warning about partitioning with DWARF debug info.
        * output.h (current_function_section): Add new function decl.
        (insert_section_boundary_note): Likewise.
        (enum in_section): Move this declaration here from varasm.c.
        (unlikely_section_label): Likewise.
        (unlikely_text_section_name): Likewise.
        (last_text_section_name): New global variable.
        (last_text_section): Likewise.
        (hot_section_label): Likewise.
        (hot_section_end_label): Likewise.
        (cold_section_end_label): Likewise.
        * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
        * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
        to NOTE_INSN_SWITCH_TEXT_SECTIONS.
        * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note
        insn from consideration.
        * sdbout.c (sdb_debug_hooks): Add do_nothing for new function,
        switch_text_section.
        * varasm.c (basic-block.h): Add new include.
        (unlikely_section_label_printed): Remove global variable.
        (unlikely_section_label): Make global variable not be static any more.
        (unlikely_text_section_name): Likewise.
        (hot_section_end_label): New global variable (not static)
        (first_function_block_is_cold): Likewise.
        (hot_section_label): Likewise.
        (cold_section_end_label): Likewise..
        (last_text_section): New global variable, not static.
        (last_text_section_name): New global variable, not static.
        (initialize_cold_section_name): New function.
        (enum in_section): Move declaration to output.h.
        (text_section): Update last_text_section.
        (unlikely_text_section): Replace code to determine cold section name
        with call to initialize_cold_section_name; Add code to update
        last_text_section; remove code for printing out label.
        (named_section_real): Add code to update last_text_section and
        last_text_section_name as appropriate.
        (function_section): Change test for 'unlikely' to depend on
        first_function_block_is_cold (moved old test to
        current_function_section).
        (current_function_section): New function.
        (assemble_start_function): Move code that frees
        unlikely_text_section_name; initialize hot_section_end_label;
        print hot and cold section labels at the start of the function;
        set first_function_block_is_cold, if appropriate; initialize l
        ast_text_section; add call to insert_section_boundary_note.
        (assemble_end_function):  Add code to write out hot and cold section
        end labels.
        *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
        switch_text_section.
        * config/darwin.c (machopic_select_section): Replace incorrect
        function in base_funs; update reloc for cold sections if necessary.
        * config/darwin.h (SECTION_FUNCTION):  Add code to update
        last_text_section if appropriate.
        (text_unlikely_section): Remove.
        * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
        * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
        * config/xtensa/xtensa.c (override_options): Turn off hot/cold
        partitioning for this architecture.

2005-03-31  Olivier Hainque  <hainque@adacore.com>

        * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
        defined and non-zero.

2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        PR c++/18644
        * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
        semantics.

2005-03-31  Alan Modra  <amodra@bigpond.net.au>

        PR target/20611
        * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
        label operand.  Remove (use (unspec..)).  Don't emit a label on
        the offset word.
        * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
        generate inline label for load_toc_v4_PIC_1b.
        (rs6000_emit_load_toc_table): Likewise.

2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>

        * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
        ns32k-*-netbsdelf*, and ns32k-*-netbsd*.

2005-03-29  Devang Patel  <dpatel@apple.com>

        * tree-sra.c (decide_block_copy): Disable scalarization of
        sub-elements.

2005-03-30  Stuart Hastings  <stuart@apple.com>
            Dale Johannesen  <dalej@apple.com>

        * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
        * print-tree.c (print_node):  Add case STATEMENT_LIST.

2005-03-31  Alan Modra  <amodra@bigpond.net.au>

        * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
        (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
        (powerpc-*-linux*): Build a biarch compiler when --enable-targets
        is given with "powerpc64*" or "all", or when --with-cpu chooses
        a 64-bit cpu.

2005-03-30  James E. Wilson  <wilson@specifixinc.com>

        PR debug/20268
        * dwarf2out.c (add_high_low_attributes): New function, extracted from
        gen_lexical_block_die.
        (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.

2005-03-31  Jan Hubicka  <jh@suse.cz>

        2004-11-02  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_varpool_node_name): New function.
        (dump_cgraph_varpool_node): New function.
        (dump_varpool): New function.
        * cgraphunit.c (cgraph_optimize): Dump varpool.

        2004-10-16  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (decide_is_variable_needed): New function.
        (cgraph_varpool_finalize_decl): Use it.
        * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
        unit-at-a-time.
        * final.c (output_addr_const): Do not call mark_referenced.
        * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
        always go via cgraph.
        * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
        (check_global_declarations): Ifdef out code clearing DECL_RTL.
        * tree-optimize.c (execute_inline): Mark functions called.
        * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.

        2004-10-11  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
        (cgraph_varpool_last_needed_node): New static variable.
        (enqueue_needed_varpool_node): Break out from ...; add items to the
        end of queue; update first pointers.
        (cgraph_varpool_mark_needed_node): ... here.
        (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
        (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
        * cgraph.h (cgraph_varpool_node): Add analyzed field.
        (cgraph_varpool_first_unanalyzed_node): Declare.
        * cgraphunit.c: Include output.h.
        (cgraph_varpool_analyze_pending_decls): New function.
        (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
        for errors, analyze pending decls.
        (cgraph_finalize_compilation_unit): Only analyze decls.
        (cgraph_optimize): Assemble the decls after expanding.

2005-03-30  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
        subvars get marked properly in tags for grouping.
        (add_pointed_to_var): Mark only actual pointed to
        variables/subvars in addresses needed.
        (create_overlap_variables_for): Clear call clobbered on original
        variable.
        * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
        addresable vars with subvars into list.
        * tree-ssa.c (verify_ssa_name): Verify original is not used where
        subvar should be.

2005-03-30  Richard Henderson  <rth@redhat.com>

        * cgraph.h (struct cgraph_node): Add alias.
        * varasm.c (assemble_alias): Set it.
        * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
        avoid calling cgraph_expand_function.

2005-03-30  Tom Tromey  <tromey@redhat.com>

        * tree.def (FILE_TYPE): Removed.
        * typeclass.h (enum type_class): Removed file_type_class.
        * dwarf2out.c (is_base_type): Updated.
        (gen_type_die): Likewise.
        * dbxout.c (dbxout_type): Updated.
        * builtins.c (type_to_class): Updated.
        * tree.c (type_contains_placeholder_1): Updated.
        * config/sparc/sparc.c (sparc_type_code): Updated.
        * config/ia64/ia64.c (hfa_element_mode): Updated.
        * expr.c (count_type_elements): Updated.
        * stor-layout.c (layout_type): Updated.
        * tree-inline.c (remap_type): Updated.
        * tree-pretty-print.c (dump_generic_node): Updated.

2005-03-30 Fariborz Jahanian <fjahanian@apple.com>

        * builtins.c (expand_builtin_powi): Fix mode of
        2nd argument to match int.
        * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
        2nd argument type to int.
        * libgcc2.c: Change prototype of __powi* functions to use
        int.

2005-03-30  Dale Johannesen  <dalej@apple.com>

        PR middle-end/19225
        * calls.c (expand_call):  Flush pending deferrals before
        throwing call.

2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/772
        PR c/17913
        * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
        C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
        c_label_context, label_context_stack): New.
        * c-decl.c (define_label): Check for jumps into statement
        expressions.  Add label to list of defined labels.
        (start_function): Push context on label_context_stack.
        (finish_function): Pop context from label_context_stack.
        * c-typeck.c (label_context_stack): New.
        (c_finish_goto_label): Check for jumps into statement
        expressions.  Add label to list of jumped to labels.
        (struct c_switch): Add blocked_stmt_expr.
        (c_start_case): Initialize it.
        (do_case): Check it.
        (c_finish_case): Verify !blocked_stmt_expr.
        (c_begin_stmt_expr):  Push context on label_context_stack.
        Increment blocked_stmt_expr.  Mark labels jumped to from outside
        as undefinable.
        (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
        defined in the statement expression and no longer jumpable to.
        Mark labels jumped to from just outside the statement expression
        as again definable.  Pop context from label_context_stack.
        * doc/extend.texi (Statement Exprs): Update.

2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/20368
        * c-decl.c (start_function): Check for old_decl being
        error_mark_node.

2005-03-30  Ian Lance Taylor  <ian@airs.com>

        * final.c (final): Remove prescan parameter.  Change all callers.
        (final_scan_insn): Remove prescan parameter.  Change all callers.

2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-vectorizer.c: Fix comment typos.

2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>

        * tree-scalar-evolution.c (instantiate_parameters_1): Return
        as soon as a chrec_dont_know is detected.

2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>

        Merge from csl-arm-branch.
        2004-02-12  Mark Mitchell  <mark@codesourcery.com>

        * tlink.c (recompile_files): Do not assume that "rename" can
        overwrite an existing file.

2005-03-31  Paolo Bonzini  <bonzini@gnu.org>

        * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
        * gcc/configure: Regenerate.

2005-03-30  Alan Modra  <amodra@bigpond.net.au>

        * doc/install.texi: Update binutils requirement for powerpc*-linux.

        * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.

        * calls.c (struct arg_data): Update "partial" comment.
        (load_register_parameters): Update "nregs" comment.

2005-03-30  Richard Sandiford  <rsandifo@redhat.com>

        * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
        (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
        (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
        (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
        (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
        (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
        than target_flags & 0.
        * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
        (iq2000_arch, iq2000_parse_cpu): Delete.
        (TARGET_HANDLE_OPTION): Override default.
        (iq2000_handle_option): New function.
        (override_options): Remove -march= and -mcpu= handling.
        * config/iq2000/iq2000.opt: New file.

2005-03-30  Richard Sandiford  <rsandifo@redhat.com>

        * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
        * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
        (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
        (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
        (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
        (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
        (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
        (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
        (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
        (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
        (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
        (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
        (c4x_rpts_cycles_string, c4x_cpu_version_string)
        (TARGET_OPTIONS): Delete.
        (c4x_rpts_cycles, c4x_cpu_version): Declare.
        (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
        (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
        * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
        (c4x_cpu_version_string): Delete.
        (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
        (c4x_handle_option): New function.  Map -m3x and -m4x options to the
        equivalent -mcpu= option.
        (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
        Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
        TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
        or clearing the appropriate MASK_* bit.
        (c4x_file_start): Use c4x_cpu_version.
        * config/c4x/c4x.opt: New file.

2005-03-30  Richard Sandiford  <rsandifo@redhat.com>

        * doc/options.texi: Document the new MaskExists flag.
        * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
        if the option has the MaskExists flag.

2005-03-30  Richard Sandiford  <rsandifo@redhat.com>

        * opt-functions.awk (flag_set_p, test_flag): New functions.
        (switch_flags): Use them.
        * opth-gen.awk: Use flag_set_p to check for flags.
        * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.

2005-03-30  Ian Lance Taylor  <ian@airs.com>

        * config.host (i[34567]86-*-mingw32*): Don't set
        host_can_use_collect2 to no.

2005-03-30  Alan Modra  <amodra@bigpond.net.au>

        PR target/20203
        * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
        Remove convert_memory_address call duplicating that in memory_address.

2005-03-29  Richard Henderson  <rth@redhat.com>

        PR c/20519
        * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
        (build_compound_literal): Likewise.  Propagate decl type into the
        initializer.
        (finish_decl): Likewise.  Use new return value from complete_array_type
        for zero sized arrays.
        (complete_array_type): Move ...
        * c-common.c (complete_array_type): ... here.  Change first argument
        to pointer-to-type-node.  Consistently use sizetype for the index
        except for zero sized arrays.  Detect zero sized arrays for pedantic
        mode diagnostics.  Create a new type node instead of modifying the
        old node in place.
        * c-tree.h (complete_array_type): Move decl ...
        * c-common.h (complete_array_type): ... here.

2005-03-29  Richard Henderson  <rth@redhat.com>

        PR tree-opt/19108
        * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.

2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>

        * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
        debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
        rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
        tree-profile.c, tsystem.h, value-prof.h: Update copyright.

2005-03-29  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
        truthvalue conversion removal.

2005-03-29  Ian Lance Taylor  <ian@airs.com>

        PR bootstrap/14316
        * collect2.c: Never include <vfork.h>.
        (VFORK_STRING, vfork): Don't define.
        (pid): Remove global variable.
        (handler): Call raise instead of kill (getpid(), ...).
        (collect_wait): Add pex parameter.  Change all callers.  Use
        pex_get_status rather than pwait.
        (do_wait): Add pex parameter.  Change all callers.
        (collect_execute): Return struct pex_obj * rather than void.  Use
        pex routines rather than pexecute.
        (fork_execute): Get pex_obj from collect_execute, and pass it to
        do_wait.
        (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
        Only declare quit_handler if SIGQUIT is defined.
        (scan_libraries): Likewise.
        * collect2.h (collect_execute): Update declaration.
        (collect_wait): Update declaration.
        * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
        pass it to collect_wait.

2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/20672
        * c-parser.c (c_parser_compound_statement_nostart): Give error
        message for EOF instead of just setting parser->error.

2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>

        * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
        (slpeel_update_phi_nodes_for_guard1): New function.
        (slpeel_update_phi_nodes_for_guard2): New function.
        (slpeel_tree_peel_loop_to_edge): Call above new functions instead
        of slpeel_update_phi_nodes_for_guard.
        (vectorize_loops): Remove call to loop_closed_rewrite.
        * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
        assertion.

2005-03-29  Richard Sandiford  <rsandifo@redhat.com>

        * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
        (TARGET_LITTLE_ENDIAN): New macro.
        * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
        (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
        (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
        (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
        (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
        (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
        (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
        (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
        (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
        (TARGET_OPTIONS): Delete.
        (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
        (CACHE_FLUSH_TRAP): Turn into an integer.
        (TARGET_LITTLE_ENDIAN): Define to 0 by default.
        (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
        -mflush-trap is in use.
        * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
        (m32r_cache_flush_trap_string): Delete.
        (m32r_model) Initialize to M32R_MODEL_DEFAULT.
        (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
        (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
        (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
        (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
        -mmodel= and -msdata= handling from...
        (m32r_init): ...here.
        * config/m32r/m32r.opt: New file.

2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>

        * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
        (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
        * tree-vect-analyze.c (vect_object_analysis): additional parm
        pass back a "struct ptr_info_def *" with the points-to info.
        (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
        statement using info returned from vect_object_analysis.
        * tree-vect-transform.c (update_vuses_to_preheader): New function.
        (vect_create_data_ref_ptr): Remove updates to vars_to_rename
        for virtual uses and defs when creating a replacement vector
        reference.  Call duplicate_ssa_name_ptr_info to define points-to
        info for vector pointer replacement using STMT_VINFO_PTR_INFO.
        (vectorizable_store): copy_virtual_operands and update
        definition statements.
        (vectorizable_load): copy_virtual_operands.  Remove call to
        mark_call_clobbered_vars_to_rename for call to "const" builtin.
        * tree-vectorizer.c (vectorize_loops): Remove calls to
        rewrite_into_ssa and bitmap_clear (vars_to_rename).
        (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
        * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
        define macro STMT_VINFO_PTR_INFO for use in accessing.
        * tree.h add export of duplicate_ssa_name_ptr_info.
        * rs6000.c (altivec_init_builtins): Declare builtin function
        __builtin_altivec_mask_for_load to be "const".

2005-03-29  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/20622
        * cgraph.h (struct cgraph_varpool_node): Add alias field.
        * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
        assemble_variable on aliases.
        * varasm.c (assemble_alias): Set node->alias.
        * toplev.c (wrapup_global_declarations): Don't call
        rest_of_decl_compilation on aliases again.

2005-03-29  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
        * config/arm/arm.c (arm_dbx_register_number): New function.
        * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.

2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR middle-end/20263
        * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
        the DECL_NAME, not the DECL_ASSEMBLER_NAME.

2005-03-29  Dale Johannesen <dalej@apple.com>

        * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
        $(TREE_H) and $(COVERAGE_H).
        * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
        * opts.c (common_handle_option): Enable tree-based value transforms.
        * toplev.c (process_options): Ditto.
        * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
        refers to references to this type.
        * tree-flow.h: (struct stmt_ann_d): Add histograms field.
        * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
        for may_be_more, may_be_less.
        (rtl_gen_pow2_profiler): Adjust.
        (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
        (rtl_gen_one_value_profiler): Adjust.
        (rtl_gen_const_delta_profiler): Adjust.
        * tree-profile.c (tree_gen_interval_profiler): Implement.
        (tree_gen_pow2_profiler): Ditto.
        (tree_gen_one_value_profiler): Ditto.
        (tree_profiling): New.
        (pass_tree_profile): Reference it.
        * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
        tree.h, gcov-io.h.
        (insn_divmod_values_to_profile): Rename to
        rtl_divmod_values_to_profile. Adjust.
        (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
        (insn_prefetch_values_to_profile): Adjust.
        (rtl_value_profile_transformations): Adjust.
        (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
        (gen_mod_pow2): Rename to rtl_mod_pow2.
        (gen_mod_subtract): Rename to rtl_mod_subtract.
        (divmod_fixed_value_transform): Rename to
        rtl_divmod_fixed_value_transform.
        (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
        (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
        (rtl_find_values_to_profile): Adjust.
        (tree_value_profile_transformations): Implement.
        (tree_divmod_values_to_profile): New.
        (tree_values_to_profile): New.
        (tree_divmod_fixed_value): New.
        (tree_mod_pow2): New.
        (tree_mod_subtract): New.
        (tree_divmod_fixed_value_transform): New.
        (tree_mod_pow2_value_transform): New.
        (tree_mod_subtract_transform): New.
        (tree_find_values_to_profile): Implement.
        * profile.c (instrument_values):  Free histograms.
        (compute_value_histograms): Adjust. Implement tree version.

2005-03-29  Uros Bizjak  <uros@kss-loka.si>

        * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
        * config/i386/i386.c (output_fix_trunc): Add new round_mode
        variable.  Output "fldcw" depending on round_mode.
        * config/i386/i386.md (UNSPEC_FIST): New.
        (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
        New isns patterns to implement lrint and llrint built-ins as x87
        intrinsic function.
        (fistdi2, fist<mode>2 splitters): New splitters.
        (lrint<mode>2): New expanders.

2005-03-28  Ian Lance Taylor  <ian@airs.com>

        * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
        0 when calling final_scan_insn.

2005-03-28  Jan Hubicka  <jh@suse.cz>

        PR middle-end/20635
        * varasm.c (mark_decl_referenced): Do not mark extern inline functions
        as needed.

        * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
        types where possible.

2005-03-26  Per Bothner  <per@bothner.com>

        Make -f[no-]show-column also control non-cpp diagnostics.
        * c.opt (fshow-column): Move option from here ...
        * common.opt (fshow-column): ... to here.
        * diagnostic.c (diagnostic_build_prefix): Only print column number
        if flag_show_column.

2005-03-27  Steven Bosscher  <stevenb@suse.de>

        * vax-protos.h (vax_output_int_move, vax_output_int_add,
        vax_output_conditional_branch): New prototypes.
        * vax.c (vax_output_int_move, vax_output_int_add): New functions,
        extracted from vax.md mov and add patterns.
        (vax_output_conditional_branch): New function to output conditional
        branch instructions.
        * vax.md: Use mode macros for arithmetic and mov patterns.
        Use code macros for the jump patterns.

2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>

        * Makefile.in (libbackend.o): Depend on version files;
        add custom generation command.

2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/20636
        * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
        sure that we have a REG before getting its REGNO.

2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
        * builtins.def (BUILT_IN_STRNDUP): New.

2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>

        PR tree-optimization/20470
        * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
        ABS(x-y).

2005-03-25  Mike Stump  <mrs@apple.com>

        * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
        sized objects.

2005-03-25  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
        Use our own structure definitions.

        * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
        (fix_truncdfsi2): Allow registers or memory as destination.
        When TARGET_PPC_GFXOPT, generate simplified pattern.
        (fix_truncdfsi2_internal): Use define_insn_and_split.
        (fix_truncdfsi2_internal_gfxopt): New.
        (fctiwz): Don't confuse register allocation by giving it no choices.
        (stfiwx): New.
        * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
        (EXTRA_MEMORY_CONSTRAINT): Likewise.
        * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
        * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.

2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>

        * dominance.c (free_dominance_info): Speed up by freeing et
        data structures without maintaining other nodes.
        * et-forest.c (et_free_tree_force): New.
        * et-forest.h: Add a prototype for et_free_tree_force.

        * tree.c (get_set_constructor_bits,
        get_set_constructor_bytes): Remove.
        * tree.h: Remove the corresponding prototypes.

2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>

        PR target/15491
        * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
        (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
        FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
        PRE_DEC, NEG and NOT.

2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>

        * fold-const.c: Convert uses of fold (build (...)) to
        fold_buildN.

2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>

        PR rtl-optimization/20249
        * cse.c (insert_regs): Do not record equivalence of registers in
        different modes.

2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>

        * emit-rtl.c (reverse_comparison): Remove.
        * rtl.h: Remove the corresponding prototype.

2005-03-24  James E Wilson  <wilson@specifixinc.com>

        * doc/install.texi (--enable-altivec): Delete docs.

2005-03-24  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
        SFmode and DFmode before reload when
        flag_unsafe_math_optimizations not enabled.

2005-03-24  Geoffrey Keating  <geoffk@apple.com>

        * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.

        * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
        MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.

2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>

        * configure.ac (enable-checking): Add 'runtime' option.
        * doc/install.texi (enable-checking): Document 'runtime' checking.
        * tsystem.h (gcc_assert, gcc_unreachable): Define.
        * config.in: Regenerated.
        * configure: Regenerated.

2005-03-23  Uros Bizjak  <uros@kss-loka.si>

        * optabs.h (enum optab_index): Remove OTI_llrint.
        (llrint_optab): Remove macro.
        * optabs.c (init_optabs): Remove llrint_optab initialization.
        * genopinit.c (optabs): Remove llrint_optab implementation.
        * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
        using lrint_optab.

2005-03-24  Alexandre Oliva  <aoliva@redhat.com>

        PR rtl-optimization/20532
        * simplify-rtx.c (simplify_binary_operation_1): Protect from
        overflow when adding coefficients for PLUS or MINUS.
        (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
        two as multiplier.

2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>

        * langhooks.h (truthvalue_conversion): Remove.
        * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
        LANG_HOOKS_TRUTHVALUE_CONVERSION.
        * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
        * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
        * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.

2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>

        * params.def: Fix a typo.
        * config/mips/mips.c: Follow the spelling convensions.
        * doc/invoke.texi: Fix typos.

2005-03-23  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/20601

        * tree-ssa-pre.c (insert_aux): Add missing condition to
        constification.

2005-03-23  Ian Lance Taylor  <ian@airs.com>

        * final.c (final_scan_insn): Don't remove no-op instructions.
        * reload1.c (reload): Remove simple no-op instructions even when
        not optimizing.

2005-03-23  Dorit Naishlos  <dorit@il.ib.com>

        PR tree-optimization/20501
        * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
        reporting that peeling for alignment is applied moved to...
        * (vect_analyze_data_refs_alignment): Here.

2005-03-23  Ian Lance Taylor  <ian@airs.com>

        * reorg.c (dbr_schedule): Remove #if 0 code to call final.

2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
        Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.

2005-03-23  Hans-Peter Nilsson  <hp@axis.com>

        * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
        imply that this is called once, independent of asms in code.
        Adjust to now being pased output and input lists.  Mention helper
        function decl_overlaps_hard_reg_set_p.
        * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
        hook_tree_tree_identity and to take three trees, returning third.
        * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
        prototype.
        * stmt.c: include hard-reg-set.h before tree.h.
        (decl_overlaps_hard_reg_set_p): New function, broken out from...
        (decl_conflicts_with_clobbers_p): Call
        decl_overlaps_hard_reg_set_p.
        (expand_asm_operands): Pass output and input lists in call to
        targetm.md_asm_clobbers.
        * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
        hook_tree_tree_tree_tree_3rd_identity.
        * target.h (struct gcc_target.md_asm_clobbers): Take three tree
        parameters.
        * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
        * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
        parameters, first two unused.
        * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
        parameters.  Only add MOF to clobbers if there's no 'h' mentioned
        in constraint letters and MOF is not mentioned as a asm-declared
        register in neither of the input and output lists.

2005-03-23  DJ Delorie  <dj@redhat.com>

        * optabs.c (expand_binop): Make sure the first subword's result
        gets stored.

2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>

        * c-common.c (c_common_truthvalue_conversion): Adjust comment.
        Call c_common_truthvalue_conversion rather than
        lang_hooks.truthvalue_conversion.
        * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
        * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
        c-typeck.c.
        * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
        c_common_truthvalue_conversion.
        * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
        c_parser_conditional_expression, c_parser_binary_expression): Call
        c_objc_common_truthvalue_conversion.
        * c-typeck.c (build_unary_op): Call
        c_objc_common_truthvalue_conversion.
        (build_conditional_expr): Do not call
        lang_hooks.truthvalue_conversion.
        (build_binary_op): Call c_common_truthvalue_conversion.
        (c_objc_common_truthvalue_conversion): Moved from
        c-objc-common.c.  Call default_function_array_conversion instead
        of default_conversion.

2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>

        * c-common.h (default_conversion): Remove.
        (perform_integral_promotions): Add.
        * c-tree.h (default_conversion): Add.
        * c-typeck.c (perform_integral_promotions): New, split out from
        default_conversion.
        * c-common.c (check_case_value): Use perform_integral_promotions,
        not default_conversion.
        (c_add_case_label): Don't continue processing case label after
        found to be pointer.

2005-03-23  Mark Mitchell  <mark@codesourcery.com>

        * gcc.c (do_spec_1): Do not add a -L path for a directory in
        the prefix list if we have already added a multilib directory
        based on that path.
        (main): Do not add MD_EXEC_PREFIX to the list of directories to
        search with -L.

2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>

        * reload1.c (indirect_symref_ok, reload_obstack): Make them
        static.
        * reload.h: Remove the prototype for indirect_symref_ok.

        * reload1.c (indirect_symref_ok): Make it global.
        * reload.h: Add a prototype for indirect_symref_ok.

2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
        ashlhi3 expander.

2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.

2005-03-22  Daniel Berlin  <dberlin@dberlin.org>

        * c-opts.c (c_common_parse_file): Only start/end main source file
        if debug hooks says the writer wants it.
        * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
        member.
        (xcoff_debug_hooks): Ditto.
        * debug.c (do_nothing_hooks): Ditto.
        * debug.h (gcc_debug_hooks): Ditto.
        * dwarf2out.c (dwarf2_debug_hooks): Ditto.
        * sdbout.c (sdb_debug_hooks): Ditto.
        * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.

2005-03-22  Mark Mitchell  <mark@codesourcery.com>

        * doc/extend.texi: Deprecate C++ min/max operators.

2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
        artificial original candidates.

2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
            Jan Hubicka  <jh@suse.cz>
            Steven Bosscher <stevenb@suse.de>

        * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
        call cost based on argument sizes.
        (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
        inlining.
        * params.def: (max-inline-inssn-single): Set to 450.
        (max-inline-insns-auto): Set to 90.
        (max-inline-insns-recursive): Set to 450
        (max-inline-insns-recursive-auto): Set to 450.
        (large-function-insns): Set to 2700.
        (inline-call-cost): New parameter.
        * tree-inline.c (estimate_move_cost): New function.
        (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
        for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
        based on arguments.
        * tree-inline.h (estimate_move_cost): Declare.
        * invoke.texi: (max-inline-inssn-single): Change default to 450.
        (max-inline-insns-auto): Change default to 90.
        (max-inline-insns-recursive): Change default to 450
        (max-inline-insns-recursive-auto): Change default to 450.
        (large-function-insns): Change default to 2700.
        (inline-call-cost): Document new parameter.

2005-03-22  Richard Sandiford  <rsandifo@redhat.com>

        * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
        (TARGET_DEFAULT): Delete.
        * config/i860/i860.opt: New file.

2005-03-22  Richard Sandiford  <rsandifo@redhat.com>

        * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
        (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
        (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
        (frv_sched_lookahead): Delete.
        * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
        (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
        (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
        (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
        (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
        (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
        (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
        (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
        (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
        (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
        (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
        (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
        (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
        (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
        (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
        (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
        (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
        (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
        (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
        (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
        (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
        (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
        * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
        (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
        (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
        (frv_sched_lookahead): Delete.
        (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
        (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
        (frv_handle_option): New function.  Move -mcpu= handling from...
        (frv_override_options): ...here.  Remove handling of other
        TARGET_OPTIONS.
        (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
        TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
        (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
        and TARGET_NO_MULTI_CE.
        (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
        !TARGET_VLIW_BRANCH.
        * config/frv/frv.opt: New file.

2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>

        * fold-const.c (fold_ternary): Take decomposed arguments of
        CALL_EXPR.
        (fold): Update a call to fold_ternary.

        * fold-const.c (fold_build1, fold_build2, fold_build3): New.
        * tree.h: Add corresponding prototypes.

2005-03-22  Jakub Jelinek  <jakub@redhat.com>

        PR target/20561
        * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
        between jump table and its label.
        * final.c (shorten_branches): Handle notes in between ADDR_VEC
        resp. ADDR_DIFF_VEC and the label preceeding it.
        (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
        is emitted in the right section.

2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>

        * fold-const.c (fold_unary, fold_binary): Update comments
        about arguments.

2005-03-22  Hans-Peter Nilsson  <hp@axis.com>

        PR rtl-optimization/20527
        * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
        REG_INC note, test that the register also isn't mentioned in PRED
        or SUCC.

2005-03-22  Ben Elliston  <bje@au.ibm.com>

        * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
        and definition.

2005-03-21  Mike Stump  <mrs@apple.com>

        * varasm.c (default_assemble_visibility): Remove extra ().

2005-03-21  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/20557
        * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
        to determine whether a block can be duplicated, rather than test
        whether the block contains noncopyable insns ourselves.

2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>

        * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
        predicates.

2005-03-21  Richard Sandiford  <rsandifo@redhat.com>

        * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.

2005-03-21  Richard Sandiford  <rsandifo@redhat.com>

        * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
        (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
        * config/fr30/fr30.opt: New file.

2005-03-18  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/20542

        * tree-flow-inline.h (overlap_subvar): Move to here.
        * tree-ssa-operands.c: From here.
        * tree-flow.h (overlap_subvar): Declare.
        * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
        * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
        for variables with subvars.

2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>

        PR middle-end/20177
        * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
        * modulo-sched.c (const_iteration_count): Return on NULL
        pre-header.
        (print_node_sched_params): Return on NULL dump_file.
        (generate_reg_moves): Handle reg-anti dependencies and disregard
        closing branch when generating register moves.
        (sms_schedule): Mark the SMSed block dirty.
        * passes.c (rest_of_handle_sms): Call update_life_info for all
        basic-blocks.
        * testsuite/gcc.dg/20050321-1.c: New test.

2005-03-21  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
        * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
        movqi_internal): Likewise.

2005-03-21  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
        xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
        xtensa_b4const): Delete prototypes.
        (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
        xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
        (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
        xtensa_extra_constraint): New prototypes.
        (add_operand, arith_operand, nonimmed_operand, mem_operand,
        mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
        lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
        move_operand, const_float_1_operand, fpmem_offset_operand,
        branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
        * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
        (xtensa_b4const_or_zero): ...this.  Change return type to bool and
        argument type to HOST_WIDE_INT.
        (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
        xtensa_mask_immediate): Likewise.
        (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
        Likewise.  Also make these functions static.
        (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
        (xtensa_const_ok_for_letter_p): New.
        (add_operand, arith_operand, nonimmed_operand, mem_operand,
        mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
        lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
        move_operand, const_float_1_operand, fpmem_offset_operand,
        branch_operator, ubranch_operator, boolean_operator): Move to
        predicates.md.
        (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
        (xtensa_mem_offset): Change return type to bool.
        (xtensa_extra_constraint): New.
        (gen_int_relational): Update type of const_range_p function pointer.
        Use xtensa_b4const_or_zero.
        * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
        xtensa_const_ok_for_letter_p.  Update comments.
        (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
        (PREDICATE_CODES): Delete.
        * config/xtensa/xtensa.md: Include predicates.md.
        * config/xtensa/predicates.md: New file.

2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>

        * config/v850/v850-protos.h: Remove the prototypes for
        reg_or_int9_operand, reg_or_const_operand,
        pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
        reg_or_0_operand, reg_or_int5_operand, call_address_operand,
        movsi_source_operand, power_of_two_operand,
        not_power_of_two_operand, special_symbolref_operand,
        pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
        register_is_ok_for_epilogue.
        * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
        reg_or_int9_operand, reg_or_const_operand,
        call_address_operand, special_symbolref_operand,
        movsi_source_operand, power_of_two_operand,
        not_power_of_two_operand, register_is_ok_for_epilogue,
        pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
        pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
        predicates.md.
        * config/v850/v850.h (PREDICATE_CODES): Remove.
        * config/v850/v850.md: Include predicates.md.
        * config/v850/predicates.md: New.

2005-03-21  Zack Weinberg  <zack@codesourcery.com>

        * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
        (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
        (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
        (itoolsdir, itoolsdatadir): Move definition above new first use.
        (install-itoolsdirs): New rule.
        (install-mkheaders): Depend on install-itoolsdirs, not
        install-include-dir.

2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-into-ssa.c: Remove obsolete comments.

2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>

        * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
        unrolling if -fpeel-loops is specified, too.
        * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
        Remove superfluous check for flag_unroll_loops.

2005-03-21  Uros Bizjak  <uros@kss-loka.si>

        * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
        (lrint_optab, llrint_optab): Define corresponding macros.
        * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
        * genopinit.c (optabs): Implement lrint_optab using lrintsi2
        pattern and llrint_optab using llrintdi2 patterns.
        * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
        using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
        (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
        BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
        flag_unsafe_math_optimizations is set.

2005-03-21  Paolo Bonzini  <bonzini@gnu.org>

        * combine.c (combine_simplify_rtx, simplify_if_then_else,
        simplify_logical, if_then_else_cond, known_cond,
        simplify_comparison): Adjust calls to reverse_comparison.
        Don't use combine_reversed_comparison_code).
        (combine_reversed_comparison_code): Remove.
        (reversed_comparison): Using reversed_comparison_code, move it...
        * jump.c (reversed_comparison): ... here.
        * rtl.h (reversed_comparison): Add prototype.

2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>

        * builtins.c (fold_builtin): Take decomposed arguments of
        CALL_EXPR.
        * fold-const.c (fold_ternary): Update a call to fold_builtin.
        * gimplify.c (gimplify_call_expr): Likewise.
        * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
        * tree.h: Update the prototype of fold_builtin.

2005-03-21  Paolo Bonzini  <bonzini@gnu.org>

        * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
        * rtlhooks.c (gen_lowpart_no_emit_general): New.
        * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
        (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
        * simplify-rtx.c (simplify_binary_operation_1): Use it.

2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>

        * builtins.c (fold_builtin_1): Take decomposed arguments of
        CALL_EXPR.
        (fold_builtin): Update a call to fold_builtin_1.

2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>

        PR other/20564
        * gcov.c (output_lines): Only output function block summary when
        outputting branch information.
        * doc/gcov.texi: Document format of preamble and additional block
        information lines.

2005-03-21  Richard Sandiford  <rsandifo@redhat.com>

        * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
        (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
        the defaults false if BITS_PER_UNIT != 8.
        (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
        (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
        than BITS_PER_UNIT != 8.
        (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
        (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
        (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
        #undefs.
        * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
        (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.

2005-03-20  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/20539
        * fold-const.c (fold_binary): Fix type mismatch between
        TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
        (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
        for non-truth-valued expressions.

        * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
        and FUNCTION_DECL in the main switch.
        <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
        TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
        we also need to convert their operands to match.
        <TRUTH_NOT_EXPR>: Likewise.

2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>

        * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
        diagnostic without checking whether an lvalue.
        * c-common.h (lvalue_p): Remove.
        (enum lvalue_use): Update comment.
        (lvalue_or_else): Replace by lvalue_error.
        * c-typeck.c (lvalue_p): Make static.
        (lvalue_or_else): New.  Call lvalue_error.

2005-03-21  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (rs6000_parm_start): New function.
        (function_arg_advance): Use rs6000_parm_start.
        (function_arg, rs6000_arg_partial_bytes): Likewise.

2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>

        * c-common.c (check_case_value): Adjust comment about stripping
        NOPs.
        (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
        * c-typeck.c (default_conversion, convert_arguments,
        build_modify_expr, convert_for_assignment, store_init_value,
        digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
        manually.  Remove inaccurate comments.

2005-03-20  Roger Sayle  <roger@eyesopen.com>
            Joseph S. Myers  <joseph@codesourcery.com>

        * varasm.c (do_assemble_alias): Restore comment describing function.
        Annotate the target parameter as potentially unused.

2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>

        PR target/18551
        * config/avr/avr.c (avr_output_function_prologue): Do not use
        current_function_name() in a label, use a local label instead.

2005-03-20  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_generate_compare): Test
        flag_finite_math_only, not flag_unsafe_math_optimizations.

2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>

        * builtins.c (fold_builtin_1): Update a call to
        targetm.fold_builtin.
        * hooks.c (hook_tree_tree_bool_null): Rename to
        hook_tree_tree_tree_bool_null.  Take one more argument of type
        tree.
        * hooks.h: Update the prototype of hook_tree_tree_bool_null.
        * target-def.h (TARGET_FOLD_BUILTIN): Define it as
        hook_tree_tree_tree_bool_null.
        * target.h (gcc_target): Update the prototype of fold_builtin.
        * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
        arguments of CALL_EXPR.
        * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
        new prototype.

2005-03-20  Jan Hubicka  <jh@suse.cz>

        * cgraph.h (cgraph_node): Add prev_clone pointer.
        * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
        (cgraph_clone_node): Produce doubly linked chain.

2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>

        * c-common.c (handle_aligned_attribute, check_function_sentinel,
        get_nonnull_operand, handle_sentinel_attribute,
        check_function_arguments_recurse): Do not strip NOPS from
        INTEGER_CSTs.
        * c-decl.c (check_bitfield_type_and_width, build_enumerator):
        Likewise.
        * c-format.c (get_constant): Likewise.
        * c-parser.c (c_parser_postfix_expression): Likewise.
        * c-typeck.c (set_init_index): Likewise.
        (convert_arguments): Don't check for NOP_EXPR containing integer
        constant.

2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>

        * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
        fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
        Take decomposed arguments of CALL_EXPR.
        (fold_builtin_1): Update calls to the functions mentioned
        above.

2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>

        * c-decl.c (check_bitfield_type_and_width): Require bit-field
        width to have integer type.
        (build_enumerator): Require enumerator value to have integer type.

2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>

        * doc/extend.texi (__builtin_inf): Move statement about INFINITY
        to __builtin_inff.

2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>

        * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
        std=iso9899:199x): Correct descriptions.

2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>

        * config.gcc: Consistently use solaris2.1[0-9]* instead of
        solaris2.1[0-9].

2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>

        * builtins.c (fold_builtin_memcpy): Take decomposed arguments
        of CALL_EXPR.
        (expand_builtin_memcpy, fold_builtin_1): Update calls to
        fold_builtin_memcpy.

        * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
        arguments of CALL_EXPR.
        (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
        fold_builtin_found, fold_builtin_1): Update calls to
        fold_trunc_transparent_mathfn.

2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR middle-end/20493
        * fold-const.c (fold_widened_comparison): Don't optimize casts of
        function pointers on targets that require function pointer
        canonicalization.
        (fold_sign_changed_comparison): Likewise.

2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>

        * combine.c (try_combine): When changing the mode of a hard reg, make
        sure that doing so is valid.

2005-03-19  Richard Sandiford  <rsandifo@redhat.com>

        * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
        (TARGET_HANDLE_OPTION): Override default.
        (avr_handle_option): New function.
        * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
        (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
        (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
        (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
        (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
        (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
        (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
        (TARGET_OPTIONS): Delete.
        * config/avr/avr.opt: New file.

2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m32r/m32r-protos.h: Remove the prototypes for
        call_address_operand, symbolic_operand, seth_add3_operand,
        cmp_int16_operand, uint16_operand, reg_or_int16_operand,
        reg_or_uint16_operand, reg_or_cmp_int16_operand,
        two_insn_const_operand, move_src_operand,
        move_double_src_operand, move_dest_operand,
        eqne_comparison_operator, signed_comparison_operator,
        large_insn_p, conditional_move_operand, carry_compare_operand,
        m32r_block_immediate_operand, extend_operand,
        reg_or_eq_int16_operand, int8_operand, and
        reg_or_zero_operand.
        * config/m32r/m32r.c (call_address_operand, symbolic_operand,
        seth_add3_operand, int8_operand, cmp_int16_operand,
        uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
        reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
        reg_or_zero_operand, two_insn_const_operand, move_src_operand,
        move_double_src_operand, move_dest_operand,
        eqne_comparison_operator, signed_comparison_operator,
        extend_operand, small_insn_p, large_insn_p,
        conditional_move_operand, carry_compare_operand,
        m32r_block_immediate_operand): Move to predicates.md.
        (MAX_MOVE_BYTES): Move to m32r.h.
        * config/m32r/m32r.h (PREDICATE_CODES): Remove.
        * config/m32r/m32r.md: Include predicates.md.
        * config/m32r/predicates.md: New.

2005-03-18  James E Wilson  <wilson@specifixinc.com>

        PR c++/19769
        * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
        origin.

2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mn10300/mn10300-protos.h: Remove the prototypes for
        call_address_operand, const_8bit_operand.
        * config/mn10300/mn10300.c (call_address_operand,
        const_8bit_operand, const_1f_operand): Move to predicates.md.
        * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
        * config/mn10300/mn10300.md: Include predicates.md.
        * config/mn10300/predicates.md: New.

2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>

        * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
        declarations in diagnostics and %E for identifiers, not %s.

2005-03-18  Jan Hubicka  <jh@suse.cz>
            Dale Johannesen  <dalej@apple.com>

        * basic-block.h (scale_bbs_frequencies_int,
        scale_bbs_frequencies_gcov_type): Declare.
        * cfg.c (RDIV): New macro.
        (update_bb_frequency_for_threading): Fix.
        * basic-block.h (scale_bbs_frequencies_int,
        scale_bbs_frequencies_gcov_type): New.
        * cfgloopmanip.c (scale_bbs_frequencies): Kill.
        (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
        scale_bbs_frequencies_int.
        * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.

2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m32r/m32r-protos.h: Remove the prototypes for
        call_address_operand, symbolic_operand, seth_add3_operand,
        cmp_int16_operand, uint16_operand, reg_or_int16_operand,
        reg_or_uint16_operand, reg_or_cmp_int16_operand,
        two_insn_const_operand, move_src_operand,
        move_double_src_operand, move_dest_operand,
        eqne_comparison_operator, signed_comparison_operator,
        large_insn_p, conditional_move_operand, carry_compare_operand,
        m32r_block_immediate_operand, extend_operand,
        reg_or_eq_int16_operand, int8_operand, and
        reg_or_zero_operand.
        * config/m32r/m32r.c (call_address_operand, symbolic_operand,
        seth_add3_operand, int8_operand, cmp_int16_operand,
        uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
        reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
        reg_or_zero_operand, two_insn_const_operand, move_src_operand,
        move_double_src_operand, move_dest_operand,
        eqne_comparison_operator, signed_comparison_operator,
        extend_operand, small_insn_p, large_insn_p,
        conditional_move_operand, carry_compare_operand,
        m32r_block_immediate_operand): Move to predicates.md.
        (MAX_MOVE_BYTES): Move to m32r.h.
        * config/m32r/m32r.h (PREDICATE_CODES): Remove.
        * config/m32r/m32r.md: Include predicates.md.
        * config/m32r/predicates.md: New.

        * config/pa/pa-protos.h: Add prototypes for magic_milli and
        shadd_constant_p.
        * config/pa/pa.c (reg_or_0_operand, call_operand_address,
        symbolic_operand, symbolic_memory_operand,
        reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
        indexed_memory_operand, move_dest_operand, move_src_operand,
        prefetch_cc_operand, prefetch_nocc_operand,
        reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
        arith_operand, arith11_operand, pre_cint_operand,
        post_cint_operan, arith_double_operand, ireg_or_int5_operand,
        ireg_operand, int5_operand, uint5_operand, int11_operand,
        uint32_operand, arith5_operand, and_operand, ior_operand,
        lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
        pc_or_label_operand, div_operand, plus_xor_ior_operator,
        shadd_operand, movb_comparison_operator,
        cmpib_comparison_operator): Move to predicates.md.
        (magic_milli, shadd_constant_p): Make it extern.
        * config/pa/pa.h (PREDICATE_CODES): Remove.
        * config/pa/pa.md: Include predicates.md.
        * config/pa/predicates.md: New.

        * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
        predicate.

2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>

        * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
        config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
        config/alpha/freebsd.h, config/alpha/linux.h,
        config/alpha/netbsd.h, config/alpha/osf5.h,
        config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
        config/h8300/h8300-protos.h, config/h8300/h8300.c,
        config/h8300/h8300.h, config/ia64/unwind-ia64.c,
        doc/cppopts.texi: Update copyright.

2005-03-18  Jan Hubicka  <jh@suse.cz>

        PR middle-end/20225
        * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
        too late.
        * varasm.c (find_decl_and_mark_needed): Mark needed only when not
        called too late.

2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
        VEC_safe_push.

2005-03-18  Paolo Bonzini  <bonzini@gnu.org>

        * combine.c (gen_binary): Remove.
        (known_cond, simplify_shift_const, find_split_point,
        combine_simplify_rtx, simplify_if_then_else, simplify_set,
        simplify_logical, expand_field_assignment, extract_left_shift,
        force_to_mode, if_then_else_cond, apply_distributive_law,
        simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
        simplify_comparison, reversed_comparison): Replace with
        simplify_gen_binary, simplify_gen_relational or
        distribute_and_simplify_rtx.
        (distribute_and_simplify_rtx): New function.

2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
            Paolo Bonzini  <gcc.gnu.org>

        * calls.c (setjmp_call_p, special_function_p): Update comments
        at the head of the functions.

2005-03-18  Jan Hubicka  <jh@suse.cz>

        * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.

        * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
        function body should be released; do not proactively release function
        bodies in non-unit-at-a-time mode.

2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>

        * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
        mno-fp-ret-in-387 multilib variants.

2005-03-18  Richard Sandiford  <rsandifo@redhat.com>

        * common.opt (m): Remove.
        * opts.c (handle_option): Pass 'm' options to set_target_switch if
        table lookup fails.
        (common_handle_option): Remove OPT_m case.

2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>

        * builtins.c (fold_builtin_bitop): Take decomposed arguments
        of CALL_EXPR.
        (fold_builtin_1): Update a call to fold_builtin_bitop.

        * builtins.c (fold_builtin_signbit): Take decomposed arguments
        of CALL_EXPR.
        (fold_builtin_1): Update a call to fold_builtin_signbit.

2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>

        PR tree-optimization/20474
        * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
        size_type of the relevant pointer. Check for COMPLETE_TYPE_P.

2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300-protos.h: Remove prototypes for
        general_operand_src, general_operand_dst, single_one_operand,
        single_zero_operand, call_insn_operand,
        two_insn_adds_subs_operand, small_call_insn_operand,
        jump_address_operand, bit_operand, bit_memory_operand,
        stack_pointer_operand, const_int_gt_2_operand,
        const_int_ge_8_operand, const_int_qi_operand,
        const_int_hi_operand, incdec_operand, bit_operator,
        nshift_operator, eqne_operator, gtle_operator,
        gtuleu_operator, iorxor_operator.
        Add prototypes for h8sx_shift_type h8sx_classify_shift and
        h8300_ldm_stm_parallel.
        * config/h8300/h8300.c (h8sx_shift_type,): Move to
        h8300-protos.h.
        (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
        SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
        (h8300_ldm_stm_parallel): Make it extern.
        (h8300_ldm_parallel, h8300_stm_parallel,
        h8300_return_parallel, general_operand_src,
        general_operand_dst, h8300_dst_operand, h8300_src_operand,
        nibble_operand, reg_or_nibble_operand, single_one_operand,
        single_zero_operand, call_insn_operand,
        two_insn_adds_subs_operand, small_call_insn_operand,
        jump_address_operand, bit_operand, bit_memory_operand,
        stack_pointer_operand, const_int_gt_2_operand,
        const_int_ge_8_operand, const_int_qi_operand,
        const_int_hi_operand, incdec_operand, eqne_operator,
        gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
        h8sx_binary_memory_operator, h8sx_unary_memory_operator,
        h8sx_unary_shift_operator, h8sx_binary_shift_operator,
        nshift_operator): Move to predicates.md.
        * config/h8300/h8300.h (PREDICATE_CODES): Remove.
        * config/h8300/h8300.md: Include predicates.md.
        * config/h8300/predicates.md: New.

2005-03-17  Richard Henderson  <rth@redhat.com>

        * config.gcc (ia64*-*-hpux*): Add extra_options.
        * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
        (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
        * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
        (ia64_tls_size_string, ia64_tune_string): Remove.
        (ia64_tune): Init to PROCESSOR_ITANIUM2.
        (TARGET_DEFAULT_TARGET_FLAGS): New.
        (TARGET_HANDLE_OPTION): New.
        (ia64_override_options): Move options parsing ...
        (ia64_handle_option): ... here.  New.
        * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
        MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
        MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
        MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
        MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
        MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
        MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
        TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
        TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
        TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
        TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
        TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
        TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
        TARGET_EARLY_STOP_BITS): Remove.
        (TARGET_ILP32): Default false.
        (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
        (enum ia64_inline_type): New.
        (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
        * config/ia64/ia64.md: Update for new definitions of
        TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
        * config/ia64/ia64.opt: New file.
        * config/ia64/ilp32.opt: New file.

2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/18380
        * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.

2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
        instead of MASK_H8300S.
        * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
        MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
        MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
        MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
        TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
        TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
        TARGET_SWITCHES): Remove.
        (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
        TARGET_H8300SX.
        * config/h8300/h8300.opt: New.

        * config/alpha/alpha.opt, config/arc/arc.opt,
        config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
        notices.

2005-03-17  Ian Lance Taylor  <ian@airs.com>

        * gmon.c: Remove.

2005-03-17  Richard Sandiford  <rsandifo@redhat.com>

        * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
        (arc_text_string, arc_data_string, arc_rodata_string): Make static.
        (TARGET_HANDLE_OPTION): Override default.
        (arc_handle_option): New function.
        (arc_init): Remove code to set arch_cpu_string.
        * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
        (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
        (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
        (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
        (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
        (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
        (arc_rodata_string, TARGET_OPTIONS): Delete.
        * config/arc/arc.opt: New file.

2005-03-17  Richard Henderson  <rth@redhat.com>

        * doc/extend.texi (Weak Pragmas): New section.
        (attribute alias): Clarify that target must be in the same
        translation unit.

2005-03-17  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.opt: New file.
        * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
        of alpha_cpu.
        (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
        alpha_fprm_string, alpha_fptm_string): Make static.
        (alpha_tls_size_string): Remove.
        (alpha_handle_option): New.
        (override_options): Update for alpha_cpu/alpha_tune split.
        (alpha_file_start): Likewise.
        (TARGET_DEFAULT_TARGET_FLAGS): New.
        (TARGET_HANDLE_OPTION): New.
        * config/alpha/alpha.h (alpha_tune): Declare.
        (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
        MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
        MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
        TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
        TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
        TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
        MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
        MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
        TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
        TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
        (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
        (TARGET_DEFAULT): Remove MASK_FP.
        (TARGET_FP): Redefined based on TARGET_SOFT_FP.
        (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
        (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
        alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
        alpha_tls_size_string): Remove.
        * config/alpha/alpha.md (prefetch): Use alpha_cpu.
        (attribute tune): Rename from attribute cpu.
        * config/alpha/ev4.md: Update to match.
        * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
        * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
        * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
        * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
        * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
        * config/alpha/vms.h (TARGET_DEFAULT): Likewise.

2005-03-16  James E. Wilson  <wilson@specifixinc.com>

        * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
        and return without creating new state if before_nops_num is nonzero.
        * config/ia64/ia64.md (first_insn): New attribute.
        (alloc): Set it to yes.

2005-03-16  Daniel Berlin  <dberlin@dberlin.org>

        * tree-vectorizer.c (new_vec_stmt_info): Initialize
        STMT_VINFO_SUBVARS to NULL.
        * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.

2005-03-16 Dale Johannesen  <dalej@apple.com>

        * rtlanal.c (find_first_parameter_load):  Rewrite to
        return actual first param load or the call if none,
        instead of first in block, when not all loads exist.

2005-03-16  Roger Sayle  <roger@eyesopen.com>

        * optabs.c (expand_copysign_absneg): Make static.
        * optabs.h (expand_copysign_absneg): Delete prototype.
        * config/rs6000/rs6000.md (copysigntf3): Delete pattern.

2005-03-16  Richard Henderson  <rth@redhat.com>

        PR middle-end/15700
        * varasm.c (struct alias_pair): Rename from struct output_def_pair.
        (alias_pairs): Rename from output_defs.
        (find_decl_and_mark_needed): Split out from assemble_alias.
        (do_assemble_alias): New.
        (assemble_output_def): Remove.
        (finish_aliases_1, finish_aliases_2): New.
        (process_pending_assemble_output_defs): Remove.
        (assemble_alias): Defer aliases for which we don't yet have a
        non-external decl for the target symbol.
        * passes.c (rest_of_decl_compilation): Register variables with cgraph.
        * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
        * toplev.c (compile_file): Use finish_aliases_2 instead of
        process_pending_assemble_output_defs.
        * tree.h (finish_aliases_1, finish_aliases_2): Declare.
        (process_pending_assemble_output_defs): Remove.

2005-03-16  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/20489

        * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
        for empty structures.

2005-03-16  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/20490

        * tree-ssa-pre.c (create_expression_by_pieces): Use
        force_gimple_operand on result of fold.

2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
        of closing parenthesis.

2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>

        * builtins.c (expand_movstr): Update a call to
        fold_builtin_strcpy.
        (expand_builtin_strncpy): Update a call to
        fold_builtin_strncpy.
        (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
        arguments of CALL_EXPR.
        (fold_builtin_1): Update calls to fold_builtin_strcpy and
        fold_builtin_strncpy.
        * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
        * tree.h: Update the prototypes of fold_builtin_strcpy and
        fold_builtin_strncpy.

2005-03-16  Steven Bosscher  <stevenb@suse.de>
            Dorit Naishlos  <dorit@il.ibm.com>

        * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
        UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
        error.

2005-03-16  Steven Bosscher  <stevenb@suse.de>

        * tree-inline.c (walk_type_fields, walk_tree,
        walk_tree_without_duplicates): Move from here...
        * tree.c: ...to here.

2005-03-15  Zack Weinberg  <zack@codesourcery.com>

        * BASE-VER, DATESTAMP, DEV-PHASE: New files.
        * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
        (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
        (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
        (version): Define using $(BASEVER_c).
        (Makefile, config.status, build/gcov-iov.o): No longer depends on
        version.c.
        (version.o): Depend on version files; add custom generation command.
        (prefix.o): Define BASEVER on command line.
        (s-iov): Depend on version files; adjust command.
        (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
        Add gcc-vers.texi.
        (gcc-vers.texi): New rule.
        (doc/%.info, doc/%.dvi): Add -I . to command line.
        (doc/gccinstall.dvi): Likewise.
        (PACKAGE): Delete.  All uses replaced with "gcc".
        * aclocal.m4: Do not include gcc-version.m4.
        * configure.ac: Do not invoke TL_AC_GCC_VERSION.
        Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
        Set is_release based on contents of DEV-PHASE.
        Set gcc_version based on contents of BASE-VER.
        Define WIN32_REGISTRY_KEY only if the user overrode the default.
        * config.in, configure: Regenerate.
        * gccbug.in: Determine version of GCC in use at runtime.
        * gcov-iov.c: Get version number and development phase from
        command line, not by including version.c.
        * intl.c: Replace all uses of PACKAGE with "gcc".
        * libada-mk.in: Delete unused "gcc_version" variable.
        * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
        * version.c: (VERSUFFIX): New hook for redistributors; adjust
        commentary to match.
        (version_string): Put together from pieces.
        * config/alpha/x-vms: Do not use $(gcc_version).
        * config/i386/t-nwld: Likewise.
        * doc/include/gcc-common.texi: Include gcc-vers.texi for
        version-GCC and DEVELOPMENT.

2005-03-15  Roger Sayle  <roger@eyesopen.com>

        PR tree-optimization/17454
        * tree.c (tree_size): Add case for TREE_BINFO.
        * fold-const.c (fold_checksum_tree): Only clear the overloaded
        field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.

2005-03-15  Roger Sayle  <roger@eyesopen.com>

        * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
        op1 whilst expanding the signed widenening multiply variant.

2005-03-15  Richard Sandiford  <rsandifo@redhat.com>

        * toplev.c (display_target_options): Avoid unused variable warning if
        TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
        * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
        (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
        (mips_isa): Initialize to MIPS_ABI_DEFAULT.
        (mips_isa_info): New variable.
        (mips_parse_cpu): Remove the first argument and leave the caller
        to report errors.
        (TARGET_HANDLE_OPTION): Override default.
        (mips_handle_option): New function.  Move option validation code from...
        (override_options): ...here.  Update calls to mips_parse_cpu.
        * config/mips/mips.h (mips_arch_string, mips_tune_string)
        (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
        (SUBTARGET_TARGET_OPTIONS): Delete.
        * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
        (mno-flush-func, mtune=): New options.

2005-03-15  Roger Sayle  <roger@eyesopen.com>
            Richard Henderson  <rth@redhat.com>

        * real.c (c4x_single_format, c4x_extended_format): Provide values
        for signbit_ro for c4x's single and extended floating point formats.
        * optabs.c (expand_copysign): Use the floating point format's
        signbit_ro for expanding via expand_copysign_absneg, and it's
        signbit_rw field for expanding via expand_copysign_bit.

2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>

        * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
        known_alignment_for_access_p.
        (known_alignment_for_access_p): New.
        (do_peeling_for_alignment): Field made int instead of bool and renamed
        to peeling_for_alignment.
        (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
        * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
        functionality used to be in vect_analyze_operations.
        (vect_analyze_operations): Code to determine vectorization factor was
        moved to vect_determine_vectorization_factor.
        (vect_enhance_data_refs_alignment): Update to correct alignment when it
        is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
        factor.
        (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
        be part of vect_analyze_operations).
        * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
        creating the guard condition, as the number of iterations may be
        constant.
        (slpeel_tree_peel_loop_to_edge): Use new name of
        LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
        * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
        alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
        (vect_do_peeling_for_alignment): Use fold.
        (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.

        (vect_update_inits_of_dr): Renamed to
        vect_update_init_of_dr.
        (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
        (vectorizable_store): Fix assertion to use == instead of =.

2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
        call_used_regs for wCG registers.

2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
        for non-offsettable memory references to cope with outstanding reload
        replacements, take 2.

2005-03-15  Uros Bizjak  <uros@kss-loka.si>

        PR target/18668
        * config/i386/i386.h (x86_fisttp): New.
        (TARGET_FISTTP): New macro.
        * config/i386/i386.c (x86_fisttp): Set for NOCONA.
        (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
        instruction when fisttp flag is set.
        * config/i386/i386-protos.h (output_fix_trunc): Change declaration.

        * config/i386/i386.md (type attribute): Add fisttp.
        (unit attribute): Set to i387 for fisttp type.
        (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
        (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
        TARGET_FISTTP.
        (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
        Generate fisttp patterns for TARGET_FISTTP. Implement using mode
        macros.
        (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
        patterns for TARGET_FISTTP.  Enable patterns for
        (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
        (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
        fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
        implement fisttp x87 insn.
        (fix_trunc*_i387_fisttp splitters): New patterns.
        (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
        Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
        Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
        clobber.
        (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
        Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
        Implement using mode macros. Disable patterns for TARGET_FISTTP.
        (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
        fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
        fix_trunc<mode>_i387_with_temp. Implement using mode macros.
        Disable patterns for TARGET_FISTTP.
        (fix_trunc*_i387 splitters): Implement usign mode macros.
        (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
        fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
        (fix_trunx*_sse peephole2s): Implement using mode macros.

2005-03-15  J"orn Rennecke <joern.rennecke@st.com>

        PR rtl-optimization/20291
        * combine.c (try_combine): If splitting fails, re-try with
        original combined pattern, i.e. before clobber stripping.

2005-03-14  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
        STACK_GROWS_DOWNWARD.

2005-03-14  Roger Sayle  <roger@eyesopen.com>

        * real.h (struct real_format): Split the signbit field into two
        two fields, signbit_ro and signbit_rw.
        * real.c (ieee_single_format, mips_single_format, ieee_double_format,
        mips_double_format, ieee_extended_motorola_format,
        ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
        ieee_extended_intel_128_format, ibm_extended_format,
        mips_extended_format, ieee_quad_format, mips_quad_format,
        vax_f_format, vax_d_format, vax_g_format, i370_single_format,
        i370_double_format, c4x_single_format, c4x_extended_format,
        real_internal_format): Update initializers for new field.
        * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
        real_format structure.
        * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
        field of the real_format structure.

2005-03-14  Daniel Berlin <dberlin@dberlin.org>

        Fix PR tree-optimization/20458

        * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
        DECL_EXTERNAL on STRUCT_FIELD tags.
        (clear_call_clobbered): Ditto.
        * tree-ssa-operands.c (note_addressable): Make sure the original
        variable doesn't slip into the addressable list if we have
        subvars.
        * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
        tags too.

2005-03-14  Geoffrey Keating  <geoffk@apple.com>

        * doc/cppopts.texi (-fexec-charset): Add concept index entry.
        (-fwide-exec-charset): Likewise.
        (-finput-charset): Likewise.
        * doc/invoke.texi (Warning Options): Document -Wnormalized=.
        * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
        * c.opt (Wnormalized): New.

2005-03-14  Devang Patel  <dpatel@apple.com>

        * doc/invoke.texi: Add reference to Visibility document.

2005-03-14  Richard Sandiford  <rsandifo@redhat.com>

        * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
        MASK_SPLIT_ADDRESSES.
        * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
        (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
        (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
        (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
        (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
        (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
        (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
        (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
        (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
        (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
        (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
        (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
        (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
        (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
        (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
        (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
        (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
        (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
        (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
        (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
        (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
        (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
        (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
        (TARGET_EXPLICIT_RELOCS): Delete.
        (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
        (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
        * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
        (override_options): Set MASK_LONG64 if -mint64 is given and no
        -mlongXX option is.  Complain about -mint64 -mlong32.
        (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
        MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
        * config/mips/mips.opt: New file.

2005-03-14  Richard Sandiford  <rsandifo@redhat.com>

        * config.gcc (extra_options): New variable for listing option files.
        Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
        * configure.ac (extra_opt_files): New AC_SUBST variable.
        (tm_file_list, tm_include_list): Include options.h first.
        * configure: Regenerate.
        * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
        (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
        (s-options-h): New rule.
        (options.h): Depend on it.
        (TEXI_GCCINT_FILES): Add options.texi.
        * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
        * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
        * target.h (gcc_target): Add default_target_flags and handle_option.
        * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
        (TARGET_HANDLE_OPTION): New macros.
        (TARGET_INITIALIZER): Include them.
        * opt-functions.awk (opt_args, nth_arg): New functions.
        (switch_flags): Handle the "Target" flag.
        (var_args): Delete.
        (var_name): Use opt_args and nth_arg.
        (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
        * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
        macros for the "Mask" and "InverseMask" options.
        * opts.h (cl_var_cond): New enum.
        (cl_option): Replace the "has_set_value" and "set_value" fields with
        "var_cond" and "var_value".
        (CL_TARGET): New macro.
        (option_enabled, print_filtered_help): Declare.
        (decode_options): Move definition.
        * opts.c (handle_option): Search for the original option before
        removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
        var_cond and var_value fields.  Use targetm.handle_option to handle
        target options.
        (decode_options): Set target_flags to targetm.default_target_flags.
        (print_filtered_help): Make global.  Handle CL_TARGET.
        (option_enabled): New function.
        * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
        (display_target_options, set_target_switch, print_switch_values)
        (default_pch_valid_p): Guard uses of target_switches with
        #ifdef TARGET_SWITCHES.  Also...
        (display_target_options): Display the CL_TARGET entries in cl_options.
        (set_target_option): Don't complain about the "" option when
        TARGET_SWITCHES is undefined.
        (print_switch_values): Use option_enabled.
        (default_pch_valid_p): Check cl_options[] when looking for something
        that has changed the value of target_flags.
        * c.opt: Remove documentation from top of file.
        * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
        * doc/sourecebuild.texi: Refer to the new options documentation
        instead of c.opt.  Document machine-specific .opt files.
        * doc/tm.texi (target_flags): Say that this variable is declared
        by options.h.
        (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
        (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
        an alternative.
        * doc/options.texi: New file.

2005-03-14  Alexandre Oliva  <aoliva@redhat.com>

        PR middle-end/18628
        * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
        register.

2005-03-14  Alexandre Oliva  <aoliva@redhat.com>

        PR c++/20280
        * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
        temporary variable of pointer type if an lvalues is required.
        (gimplify_modify_expr_rhs): Request an rvalue from it.
        (gimplify_expr): Pass fallback on.

2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>

        * cfgbuild.c: Update comments.

2005-03-14  Roger Sayle  <roger@eyesopen.com>

        PR rtl-optimization/17236
        * optabs.c (expand_doubleword_mult): New helper function split out
        from expand_binop.  Permute the order in which instructions are
        emitted to minimize the number of simultaneously live registers.
        (expand_binop): Call expand_doubleword_mult to synthesize a double
        word multiplication.

2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>

        * basic-block.h: Update the prototypes of cached_make_edge and
        rtl_make_eh_edge.
        * cfg.c (cached_make_edge): Take edge_cache representing one
        row of the adjacency matrix of edges.
        * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
        (make_edges): Initialize edge_cache to represent one row of
        the adjacency matrix of edges.

2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
        New functions.
        (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
        Remove unused removed_phis variable.
        (conditional_replacement): Use build1/build2.
        (abs_replacement): Use last_and_only_stmt and build1/build2.

2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>

        * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
        ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
        * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
        (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
        * c-common.c (handle_novops_attribute): New function.
        (c_common_attribute_table): Add "no vops" entry.
        * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
        * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
        * tree-ssa-operands.c (get_call_expr_operands): Do not
        create virtual operands for calls with ECF_NOVOPS flag.
        * tree.h (DECL_IS_NOVOPS): New macro.
        (struct tree_decl): Add novops_flag.
        (ECF_NOVOPS): New constant.

2005-03-14  Uros Bizjak  <uros@kss-loka.si>

        PR target/17688
        * config/i386/i386.c (x86_use_himode_fiop): New.
        (x86_use_simode_fiop): Rename from x86_use_fiop.
        * config/i386/i386.h (x86_use_himode_fiop): Declare.
        (TARGET_USE_HIMODE_FIOP): New.
        (x86_use_simode_fiop): Rename from x86_use_fiop.
        (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.

        * config/i386/i386.md (X87MODEI12): New mode macro define.
        (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
        to implement x87 FP compare with HImode input operands.
        (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
        Use X87MODEI12 mode macro to handle HImode input operands.
        (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
        *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
        Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
        *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
        macro to implement x87 operators with HImode input operands.
        (fop splitters): Use X87MODEI12 mode macro to handle HImode
        input operands.

2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
        integer_zerop.
        * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
        constants invariant.

2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>

        * basic-block.h (BB_VISITED): Removed.
        * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.

2005-03-14  Falk Hueffner  <falk@debian.org>

        PR bootstrap/20424
        * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.

2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>

        * ggc-zone.c: Fix comment typos.

        * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
        stringpool.c, config/mips/mips-protos.h: Update copyright.

2005-03-14  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
        throughout with its typedef, "rtx".
        * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
        (rs6000_tls_symbol_ref_1): Remove inline keyword.
        * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
        regs in comment to match code.

2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>

        * except.c (check_handled): Make it static.
        * except.h: Remove the corresponding prototype.

        * function.c (get_func_frame_size): Make it static.
        * function.h: Remove the corresponding type.

        * regclass.c (reg_class_superclasses, reg_class_subclasses):
        Make them static.
        * hard-reg-set.h: Remove the corresponding declarations.

        * tree-cfg.c (verify_stmts): Check that
        bb_for_stmt (stmt) == bb for every PHI node and statement.

2005-03-14  Alan Modra  <amodra@bigpond.net.au>

        * config.gcc: Remove excess indentation.
        (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.

2005-03-13  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/19331
        * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
        * fold-const.c (fold_sign_changed_comparison): Likewise.
        (fold_binary): Optimize comparisons against widened operands if
        the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.

2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (struct_value_alias_set): New global variable.
        (sparc_override_options): Initialize it.
        (sparc_struct_value_rtx): Set it on the MEM to be returned.

2005-03-13  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
        (reg_or_none500mem_operand): New predicate.
        (zero_reg_mem_operand): New predicate.
        * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
        to reg_or_none500mem_operand.
        (extendsfdf2_fpr): Add MEM alternative.
        (extenddftf2_internal): Change operand2 predicate to
        zero_reg_mem_operand.

2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>

        * ggc-zone.c: Rewritten.

        * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
        if there are none.
        * configure.ac: Define GGC_ZONE for --with-gc=zone.
        * config.in: Regenerated.
        * configure: Regenerated.
        * gengtype.c (write_types_process_field, write_func_for_structure):
        Pass new argument to gt_pch_note_object.
        * ggc-common.c (struct ptr_data): Add TYPE.
        (gt_pch_note_object): Take TYPE argument and save it.
        (call_count): Update call to ggc_pch_count_object.
        (call_alloc): Update call to ggc_pch_alloc_object.
        (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
        file.
        * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
        * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
        (ggc_alloc_zone_stat): Delete.
        (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
        * ggc.h (gt_pch_note_object, ggc_pch_count_object)
        (ggc_pch_alloc_object): Update prototypes.
        (garbage_zone): Delete.
        (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
        GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
        pointers.
        (tree_id_zone): New variable.
        (ggc_alloc_cleared_zone): Remove unused.
        (ggc_alloc_zone): Define.
        (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
        * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
        ggc_alloc_zone_stat.
        * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
        * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
        (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
        (make_node_stat): Likewise.  Use tree_id_zone.

2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
            Joseph S. Myers  <joseph@codesourcery.com>

        * configure.ac: Check for MIPS TLS.
        * configure: Regenerated.
        * config/mips/mips-protos.h (enum mips_symbol_type): Add
        SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
        SYMBOL_GOTTPREL, and SYMBOL_TPREL.
        * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
        (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
        (mips_classify_symbol, mips_symbolic_constant_p)
        (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
        (mips_tls_operand_p, mips_call_tls_get_addr)
        (mips_legitimize_tls_address, mips_cannot_force_const_mem)
        (mips_tls_symbol_ref_1): New functions.
        (mips_legitimize_address, mips_legitimize_const_move): Call
        mips_legitimize_tls_address.
        (override_options): Handle V1_REG and TLS symbols.  Disable TLS
        for MIPS16.
        * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
        (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
        (mips_char_to_class): Document V1_REG.
        (HAVE_AS_TLS): Provide default.
        * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
        constants.
        (load_got<mode>): Renamed from *load_got<mode>.  Allow when
        !TARGET_ABICALLS.
        (tls_get_tp_<mode>): New instruction.

2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>

        * configure.ac: Update checks for target tools.
        * configure: Regenerated.

2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>

        * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.

2005-03-13  Roger Sayle  <roger@eyesopen.com>

        * expmed.c (expand_mult): Use synthetic multiplication sequences for
        more classes of DImode multiplication by constant.  Allow both
        multiplication by small negative constants (by performing a
        multiplication by a positive constant and negating the result) and
        multiplications by large powers of two, by using a left shift.

2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-into-ssa.c (find_idf): Speed up by putting the indexes
        of basic blocks into work_stack.

        * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
        config/mips/vr.h: Update copyright.

        * c-decl.c (c_init_decl_processing): Remove useless calls to
        build_function_type.

        * builtins.c (fold_trunc_transparent_mathfn,
        fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
        fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
        fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
        fold_builtin_strcpy, fold_builtin_strncpy,
        fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
        TREE_TYPE (exp).

        * builtins.c (expand_builtin_mathfn_3): Remove local variable
        before_call.

        * lambda-code.c (lambda_compute_auxillary_space): Remove local
        variable determinant.

        * tree-cfg.c (group_case_labels): Remove local variable type.

        * tree-ssa-live.c (build_tree_conflict_graph): Remove local
        variable ann.

        * tree-ssa-phiopt.c (value_replacement): Remove local variable
        result.

2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>

        PR target/18251
        * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
        (*movmemqi_insn): Delete.
        (*movmemhi): Delete.

2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>

        * builtins.c (fold_builtin_classify): Take decomposed
        arguments of CALL_EXPR.
        (fold_builtin_1): Update a call to fold_builtin_classify.

2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/20402
        * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
        through into call to parser_xref_tag after parse error.
        (c_parser_struct_declaration): Consistently return NULL_TREE on
        error.

2005-03-12  Daniel Berlin  <dberlin@dberlin.org>

        * tree-flow-inline.h (ref_contains_array_ref): New function.
        (lookup_subvars_for_var): Ditto.
        (get_subvars_for_var): Ditto.
        (var_can_have_subvars): Ditto.

        * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
        (struct subvar): New type.

        * tree-dfa.c (okay_component_ref_for_subvars): New function.

        * tree-optimize.c (init_tree_optimization_passes): Call
        pass_create_structure_vars.

        * tree-ssa-alias.c: Include vec.h.
        (init_alias_info): Don't auto-clear call clobbered on struct-field
        tags.
        (compute_flow_insensitive_aliasing): Handle subvars.
        (group_aliases): Handle STRUCT_FIELD aliases.
        (setup_pointers_and_addressables): Ditto.
        Don't mark variables non-addressable if they still have
        addressable subvars.
        Also mark subvars addressable when the real variable is marked
        addressable.
        (add_pointed_to_var): Try to prune the pointed-to set by only
        pointing to subvars when possible.
        Otherwise, make sure we set addresses_needed and pt_vars to
        properly include subvars.
        (bitpos_of_field): New function.
        (push_fields_onto_fieldstack): Ditto.
        (get_or_create_used_part_for): Ditto.
        (create_overlap_variables_for): Ditto.
        (find_used_portions): Ditto.
        (create_structure_vars): Ditto.
        (pass_create_structure_vars): New structure.

        * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
        (get_expr_operands): Handle subvars.  Also try to turn
        COMPONENT_REF accesses into must-defs now that we can accurately
        portray it.
        (note_addressable): Try to only mark as addressable those subvars
        we know a COMPONENT_REF touches.
        (overlap_subvar): New function.

        * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
        Handle subvar storing.
        (vect_address_analysis): Update caller of vect_object_analysis.

        * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.

        * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
        (STMT_VINFO_SUBVARS): New macro.

        * common.opts: add flag_tree_salias.

        * opts.c (decode_options): flag_tree_salias defaults to on.

        * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.

        * doc/tree-ssa.texi: Document structural alias analysis.

2005-03-12  Steven Bosscher  <stevenb@suse.de>

        * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
        * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
        * tree-ssa-operands.c (get_expr_operands): Likewise.
        (get_expr_operands): Likewise for ERROR_MARK.

2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
        var.

        * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
        removed_phis.

        * tree-ssa-pre.c (compute_avail): Remove local variable val.
        (mark_operand_necessary): Remove local variable ver.

        * tree-vect-transform.c (vect_get_new_vect_var): Remove local
        variable prefix_len.

        * value-prof.c (mod_subtract_transform): Remove local variable
        value.

        * builtins.c (fold_builtin_exponent): Take decomposed
        arguments of CALL_EXPR.
        (fold_builtin_1): Update a call to fold_builtin_exponent.

        * builtins.c (fold_builtin_logarithm): Take decomposed
        arguments of CALL_EXPR.
        (fold_builtin_1): Update a call to fold_builtin_logarithm.

        * c-decl.c (c_init_decl_processing): Remove local variables
        ptr_ftype_void and ptr_ftype_ptr.

        * gimplify.c (gimplify_expr): Remove local variables r0 and
        r1.

        * reg-stack.c (move_for_stack_reg): Remove local variable
        push_insn.
        (compare_for_stack_reg): Remove local variable flags_user.
        (convert_regs_1): Remove local variable deleted.

        * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
        variable new_cond.
        (combine_blocks): Remove local variables exits and new_e.

        * tree-inline.c (expand_call_inline): Remove local variable
        decl.

        * tree-ssa-live.c (create_ssa_var_map,
        calculate_live_on_entry): Remove local variable snn.

2005-03-12  Geoffrey Keating  <geoffk@apple.com>

        * c-lex.c (c_lex_with_flags): Add parameter to call to
        cpp_spell_token.

2005-03-11  Per Bothner  <per@bothner.com>

        * c-tree.h (struct c_declarator): New id_loc field.
        * c-pragma.h (c_lex_with_flags): Take position reference.
        * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
        iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
        (c_lex): Pass dummy location to c_lex_with_flags.
        * c-parser.c (c_lex_one_token): Set c_token's location using
        c_lex_with_flags, instead of input_location, which might be "ahead".
        (c_parser_direct_declarator): Set declarator's id_loc from
        c_token's id_loc.
        * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
        declarator's id_loc, rather than probably-imprecise input_location.
        (build_id_declarator): Initialize c_declarator's id_loc field.

2005-03-11  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/20419
        * builtins.c (expand_builtin_signbit): Force the signbit's word
        into an integer register to avoid SUBREGs of floating point modes.

2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>

        * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
        target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
        tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
        config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.

2005-03-11  David Edelsohn  <edelsohn@gnu.org>

        PR rtl-optimization/20306
        * expr.c (emit_move_complex): Set try_int false if mode is
        MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
        emit_block_move if try_int is true.

2005-03-11  Richard Henderson  <rth@redhat.com>

        PR target/20415
        * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
        * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
        to match.

2005-03-11  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (mips_fix_vr4130_string): Declare.
        (TARGET_FIX_VR4130): New macro.
        (TARGET_OPTIONS): Add -mfix-vr4130.
        (ISA_HAS_MACCHI): New macro.
        (ASM_SPEC): Add -mfix-vr4130.
        * config/mips/mips.c (mips_fix_vr4130_string): New variable.
        (override_options): Handle mips_fix_vr4130_string.
        (mips_avoid_hazards): Clear all_noreorder_p
        if we're working around VR4130 errata and the macc alternatives
        are not available.
        * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
        (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
        * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
        (MULTILIB_DEFAULTS): Remove leading "march=".
        (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
        if no architecture option is given.
        * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
        VR4130 multilibs.
        (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
        * doc/invoke.texi: Document -mfix-vr4130.

2005-03-11  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (override_options): Only warn about -mint64
        deprecation if TARGET_INT64.

2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
        ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
        ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
        are non-specific regarding the nonnull parameter positions.
        (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
        ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
        ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
        ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.

        * builtins.def: Use the non-specific "nonnull" attibute lists.

2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>

        * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
        single_pred_edge, single_succ, single_pred): Improve comments.

2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>

        * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
        single_pred_edge, single_succ, single_pred): New inline functions.
        * bb-reorder.c (rotate_loop, find_traces_1_round,
        add_labels_and_missing_jumps, fix_up_fall_thru_edges,
        duplicate_computed_gotos): Use the single_succ/pred functions.
        * cfganal.c (forwarder_block_p): Ditto.
        * cfgbuild.c (compute_outgoing_frequencies): Ditto.
        * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
        outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
        merge_seq_blocks): Ditto.
        * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
        * cfglayout.c (fixup_reorder_chain): Ditto.
        * cfgloop.c (mark_single_exit_loops, update_latch_info,
        canonicalize_loop_headers, verify_loop_structure): Ditto.
        * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
        mfb_update_loops, create_preheader, force_single_succ_latches,
        create_loop_notes): Ditto.
        * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
        force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
        commit_one_edge_insertion, purge_dead_edges,
        cfg_layout_can_merge_blocks_p): Ditto.
        * except.c (sjlj_emit_function_enter): Ditto.
        * flow.c (init_propagate_block_info): Ditto.
        * function.c (thread_prologue_and_epilogue_insns): Ditto.
        * gcse.c (find_implicit_sets, bypass_conditional_jumps,
        insert_insn_end_bb): Ditto.
        * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
        find_if_case_2): Ditto.
        * lambda-code.c (perfect_nestify): Ditto.
        * lcm.c (optimize_mode_switching): Ditto.
        * loop-doloop.c (doloop_modify): Ditto.
        * loop-init.c (loop_optimizer_init): Ditto.
        * loop-iv.c (simplify_using_initial_values): Ditto.
        * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
        * loop-unswitch.c (unswitch_loop): Ditto.
        * modulo-sched.c (generate_prolog_epilog): Ditto.
        * predict.c (combine_predictions_for_insn, estimate_probability,
        tree_estimate_probability, last_basic_block_p,
        estimate_bb_frequencies): Ditto.
        * profile.c (branch_prob): Ditto.
        * regrename.c (copyprop_hardreg_forward): Ditto.
        * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
        * tracer.c (layout_superblocks): Ditto.
        * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
        cfg_remove_useless_stmts_bb, cleanup_control_flow,
        cleanup_control_expr_graph, disband_implicit_edges,
        tree_find_edge_insert_loc, bsi_commit_edge_inserts,
        tree_verify_flow_info, tree_make_forwarder_block,
        tree_forwarder_block_p, remove_forwarder_block,
        remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
        * tree-if-conv.c (tree_if_conversion): Ditto.
        * tree-mudflap.c (mf_build_check_statement_for): Ditto.
        * tree-ssa-dce.c (remove_dead_stmt): Ditto.
        * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
        * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
        copy_loop_headers): Ditto.
        * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
        * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
        * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
        lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
        * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
        * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
        * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
        * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
        * tree-ssa-threadupdate.c (redirect_edges): Ditto.
        * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
        eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
        * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
        * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
        * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
        slpeel_add_loop_guard): Ditto.

2005-03-11  James A. Morrison  <phython@gcc.gnu.org>

        PR tree-optimization/15784
        * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
        and -1 - A to ~A.

        * stmt.c (expand_case): Don't change index_type.  Convert minval
        to the proper type.

        PR tree-optimization/20130
        * fold-const.c (fold): Fold x * -1 into -x.

2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR rtl-optimization/20331
        * rtlanal.c (modified_between_p): Check its address first for MEM.
        (modified_in_p): Likewise.

2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>

        * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.

2005-03-10  Steven Bosscher  <stevenb@suse.de>

        * expr.c (expand_expr_real_1): If possible, use a conditional
        move for expanding MIN_EXPR and MAX_EXPR.
        Use temp for moving around rtx-en.

2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>

        PR rtl-opt/20412
        * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
        correct mode.

2005-03-10  Roger Sayle  <roger@eyesopen.com>

        * builtins.c (expand_builtin_signbit): Extend to handle floating
        point modes wider than the largest integer type, using the
        operand_subword_force function to obtain the signbit's word.

2005-03-10  Jakub Jelinek  <jakub@redhat.com>

        PR target/20322
        * combine.c (try_combine): If recog_for_combine added CLOBBERs
        to NEWI2PAT, fail to combine if they are used by NEWPAT.

2005-03-10  Aldy Hernandez  <aldyh@redhat.com>

        * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.

2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
        type void.
        (perform_edge_inserts): Unconditionally call
        free_dominator_info.

        * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.

2005-03-10  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.

2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>

        * bitmap.c (bitmap_copy): Remove manual loop unrolling.

        * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
        gcc_unreachable.
        (rtl_register_value_prof_hooks,
        tree_value_profile_transformations,
        tree_register_value_prof_hooks): Likewise.
        * var-tracking.c (stack_adjust_offset_pre_post,
        variable_htab_free, variable_union, dataflow_set_different_2,
        count_uses, variable_was_changed, set_frame_base_location,
        set_variable_part, emit_note_insn_var_location, vt_emit_notes,
        vt_add_function_parameters): Likewise.
        * varasm.c (named_section_real, named_section, make_decl_rtl,
        asm_emit_uninitialised, assemble_integer, decode_addr_const,
        const_hash_1, compare_constant, copy_constant, force_const_mem,
        output_constant_pool_2, output_constant_pool_1, output_constant,
        output_constructor, make_decl_one_only, decl_tls_model,
        default_no_named_section, default_elf_select_section_1,
        default_unique_section_1): Likewise.
        * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
        * vmsdbgout.c (addr_const_to_string): Likewise.

        PR c++/20375
        * function.c (struct assign_parm_data_one): Remove last_named
        field.
        (assign_parm_find_data_types): Don't determine last_named.
        Reorder named_parm determination.
        (assign_parms): Only setup varargs on the last non-varadic
        parameter.

2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>

        * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
        sda base address on medium model.

2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>

        * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
        * cfgloop.c (flow_loop_nodes_find): Export.
        * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
        Declare.
        * cfgloopmanip.c (fix_loop_structure): New function.
        * predict.c (predict_loops): Clean up the loops information.
        * tree-cfg.c (cleanup_tree_cfg_loop): New function.
        (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
        loop structure.
        * tree-flow.h (cleanup_tree_cfg_loop): Declare.
        (rewrite_into_loop_closed_ssa): Declaration changed.
        * tree-loop-linear.c (linear_transform_loops): Add argument to
        rewrite_into_loop_closed_ssa call.
        * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
        * tree-ssa-loop-im.c (move_computations): Ditto.
        * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
        * tree-vectorizer.c (vectorize_loops): Ditto.
        * tree-optimize.c: Include cfgloop.h.
        (execute_todo): Choose whether to call cleanup_tree_cfg or
        cleanup_tree_cfg_loop.
        * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
        (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
        * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
        cleanup_tree_cfg_loop call.
        * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
        (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
        work on part of cfg.

2005-03-10  Jakub Jelinek  <jakub@redhat.com>

        PR inline-asm/20314
        * gimplify.c (gimplify_asm_expr): Handle input/output constraints
        with multiple alternatives.

        * stmt.c (parse_output_constraint): Fix a typo.

2005-03-09  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
        assembly directive instead of deprecated "no-generics".

2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
        for non-offsettable memory references to cope with outstanding reload
        replacements.
        * config/s390/s390.md ("reload_outti"): Call find_replacement to
        avoid losing outstanding address reloads.
        ("reload_outdi", "reload_outdf"): Likewise.

2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
        code.  Add more cbrt transformations.

2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.

2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>

        * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
        NULL_TREE when a given tree is not simplified.
        (fold): Return the original tree when any of the functions
        mentioned above NULL_TREE.

        * fold-const.c (fold_unary, fold_binary): Take decomposed
        arguments, code, type, op0, and op1 in case of fold_binary.
        (fold): Update calls to fold_unary and fold_binary.

2005-03-09  Roger Sayle  <roger@eyesopen.com>

        * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
        a fndecl and an arglist instead of a CALL_EXPR, exp.

2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>

        * cfglayout.c (fixup_reorder_chain): Remove old_bb.

        * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.

        * expr.c (expand_assignment): Remove orig_to_rtx.

        * fold-const.c (int_const_binop): Remove no_overflow.

        * ifcvt.c (noce_emit_move_insn): Remove inmode.

        * loop-iv.c (get_biv_step_1): Remove lhs.

        * loop-unroll.c (analyze_insns_in_loop): Remove preheader.

        * real.c (real_nan): Remove neg.

        * function.c (thread_prologue_and_epilogue_insns): Remove i
        and newinsn.

        * tree-data-ref.c (array_base_name_differ_p): Remove ta and
        tb.

        * tree-eh.c (tree_could_trap_p): Remove idx.

        * tree-into-ssa.c (ann): Remove ann.

        * tree-outof-ssa.c (num_nodes): Remove num_nodes.

        * tree-sra.c (decide_block_copy): Remove inst_count.

        * tree-ssa-alias.c (may_alias_p): Remove v_ann.

        * tree-ssa-loop-im.c (lhs): Remove.

        * cfgbuild.c (state, STATE, SET_STATE,
        BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
        make_edges.
        (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
        (find_basic_blocks): Set the state of each basic block to
        BLOCK_NEW.

2005-03-08  Jeff Law  <law@redhat.com>

        * tree-cfg.c (cleanup_control_flow): If removal of a computed
        goto results in the removal of edges in the CFG, then we need
        to recompute dominators.

2005-03-09  Ben Elliston  <bje@au.ibm.com>

        * c-common.c (c_do_switch_warnings): Comment fix.

2005-03-08  Julian Brown  <julian@codesourcery.com>

        * Patch from 2005-03-08 reverted for causing regressions and
        ppc-darwin bootstrap failure.

2005-03-08  Fariborz Jahanian <fjahanian@apple.com>

        * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
        Define the real function for ppc-darwin.
        * c-typeck.c (convert_arguments): Check for target-specific
        invalid argument call to unprototyped function.
        * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
        New Macro.
        * target.h (invalid_arg_for_unprototyped_fn): New field
        in struct calls.
        * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
        default target hook.
        * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
        Declare.

2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>

        * c-typeck.c (constructor_stack, constructor_range_stack,
        initializer_stack): Make them static.

        * cfg.c (rbi_pool): Make it static.

        * gimple-low.c (lower_stmt_body): Make it static.
        * tree-flow.h: Remove the corresponding prototype.  Don't
        declare lower_data.

        * sched-deps.c (cache_size): Make it static.

        * stor-layout.c (lang_adjust_rli): Make it static.

2005-03-08  Julian Brown  <julian@codesourcery.com>

        * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
        from being used for symbols with vague linkage when
        HAVE_GAS_COMDAT_GROUP is true.

2005-03-08  J"orn Rennecke <joern.rennecke@st.com>

        * jump.c (invert_jump_1): Don't call redirect_jump_1 with
        nlabel == JUMP_LABEL (jump).

2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>

        * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
        gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
        tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
        tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.

2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>

        PR c/14411
        * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
        * c-common.c (handle_returns_twice): New function.
        (c_common_attribute_table): Declare eturns_twice' attribute.
        * doc/extend.texi: Document eturns_twice' attribute.
        * tree.h (DECL_IS_RETURNS_TWICE): New macro.
        (struct tree_decl): Add returns_twice_flag.

2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-phiopt.c: Fix a comment typo.

        * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
        loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
        config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
        copyright.

2005-03-08  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (code_for_builtin): Replace special-case
        builtin codes with ctzdi2, clzdi2, popcountdi2.
        (struct alpha_builtin_def): Add is_const.
        (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
        (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
        (alpha_init_builtins): Init them.  Set nothrow and const attributes
        on builtins.
        (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
        alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
        alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
        alpha_fold_vector_minmax, alpha_fold_builtin_perr,
        alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
        alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
        alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
        alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
        (TARGET_FOLD_BUILTIN): New.
        * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
        (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
        (ffsdi2): Use ctz.
        (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.

2005-03-08  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/20122
        * tree-vect-analyze.c (vect_object_analysis): Analyze initial
        condition of access function instead of base.

2005-03-07  Jeff Law  <law@redhat.com>
            Steven Bosscher  <stevenb@suse.de>

        * tree-cfg.c (find_taken_edge_computed_goto): New function.
        (find_taken_edge): Call find_taken_edge_computed_goto as
        appropriate.  Allow any gimple invariant rather than just
        INTEGER_CST for VAL.
        (cleanup_control_flow): Cleanup a computed goto which has turned
        into a simple goto.
        (tree_merge_blocks): If block B has any forced labels, move
        them to the start of block A.
        * tree-ssa-dom.c (thread_across_edge): Allow threading across
        computed gotos as well.
        * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
        removal of unnecessary computed gotos too.
        (lookup_redirection_data): Fix type of INSERT argument.  Callers
        updated.

2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
        Remove trailing spaces.

        * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
        unshare_all_trees): Make them static.
        * tree-gimple.h: Remove the corresponding prototypes.

        * diagnostic.h: Remove unused prototype
        debug_output_buffer.
        * modulo-sched.c: Remove unused prototype
        set_row_column_for_ps.

        * tree-ssa-phiopt.c (tree_ssa_phiopt,
        replace_phi_edge_with_variable): Remove unused variable i.

2005-03-07  Per Bothner  <per@bothner.com>

        * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.

2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/17671
        * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
        bbs on the COND_EXPR instead of the PHI_NODEs.
        (candidate_bb_for_phi_optimization): Remove.
        (replace_phi_with_stmt): Rename to ...
        (replace_phi_edge_with_variable): this and change so that we
        replace the phi argument instead of removing the PHI.
        (conditional_replacement): Change so we deal with PHI with more
        than two arguments.
        (value_replacement): Likewise.
        (abs_replacement): Likewise.

2005-03-07  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
        output_e500_flip_gt_bit.

        * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
        as bit 31.
        (rs6000_generate_compare): Fix logic to look at the correct bits.
        (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
        Look at GT bit.
        (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
        gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
        gen_move_from_CR_gt_bit.

        * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
        ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
        (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.

        * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
        (E500_CR_IOR_COMPARE): New constant.

2005-03-08  Earl Chew <earl_chew@agilent.com>
            David Billinghurst <David.Billinghurst@riotinto.com>

        * config/i386/host-cygwin.c: New file to support precompiled
        headers on cygwin
        * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
        * config.host: Use above files for cygwin host.

2005-03-07  David Edelsohn  <edelsohn@gnu.org>

        * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
        ordering ops from earlier change.

2005-03-07  Per Bothner  <per@bothner.com>

        Various fixes to allow us to again build if --enable-mapped-location:
        * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
        unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
        * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
        local variable loc. Change logic appropriately.
        * tree-vect-transform.c (vect_finish_stmt_generation): Use
        EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
        * c-parser.c (c_parser_for_statement): Initialize loc variable.
        * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
        DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.

2005-03-07  Richard Sandiford  <rsandifo@redhat.com>

        PR rtl-optimization/19683
        * reload1.c (choose_reload_regs): Pass the number of bits, not the
        number of bytes, to smallest_int_for_mode.  Fix arguments to
        REG_CANNOT_CHANGE_MODE_P.

2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * reorg.c (relax_delay_slots): Check that the jump is
        conditional before trying to invert it.

2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>

        * bb-reorder.c (max_entry_frequency, max_entry_frequency):
        Make them static.

        * calls (stack_arg_under_construction): Make it static.

        * flow.c (regs_live_at_setjmp): Make it static.
        * flow.h: Remove the corresponding prototype.

        * reload1.c (reload_startobj, reload_firstobj,
        something_needs_operands_changed, reload_inherited,
        reload_inheritance_insn, reload_override_in,
        reload_spill_index): Make them static.

        * recog.c (verify_changes): Make it static.
        * recog.h: Remove the corresponding prototype.

        * cfgbuild.c (find_sub_basic_blocks): Remove.
        * basic-block.h: Remove the corresponding prototype.
        * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
        in comments.
        * doc/cfg.texi: Don't mention find_sub_basic_blocks.

        * tree-ssa-operands.c (check_build_stmt): Remove.

        * stor-layout.c (set_alignment): Remove.
        * tree.h: Remove the corresponding prototype.

        * tree-ssa-pre.c (has_abnormal_preds): Make it static.

        * tree-ssa-dce.c (control_dependence_map,
        visited_control_parents): Make them static.

        * cfghooks.c (verify_flow_info): Remove local variable
        num_bb_notes.

        * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
        last_bb_seen.

        * loop-unswitch.c (unswitch_loop): Remove local variable src.

2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>

        * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.

2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>

        * config/ia64/hpux.h (LINK_SPEC): Add -z.
        * config/ia64/ia64.c (ia64_function_value): Return a REG not a
        PARALLEL for an empty structure.

2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>

        * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.

        * fold-const.c (fold_binary): Unroll the very first "for"
        loop.

2005-03-06  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/predicates.md (branch_comparison_operator): Remove
        redundant match_code test.
        (scc_comparison_operator): Swap match_operand and match_code
        tests.
        (branch_positive_comparison_operator): Same.
        (trap_comparison_operator): Use comparison_operator and swap with
        match_code test.

2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>

        PR target/20288
        * config/avr/avr.c (print_operand): Add 'p' and 'r'.
        (out_movhi_r_mr): Read low byte of volatile MEM first.
        (out_movhi_mr_r): Write high byte of volatile MEM first.

2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>

        * cselib.c (reg_values, reg_values_size): Make them static.

        * cse.c (cse_reg_info_table): Make it static.

        * fold-const.c (fold_unary): Use build1 instead of copy_node.

2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>

        * cse.c (find_best_addr): Use canon_for_address.

2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>

        * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
        (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
        SUBREG and MEM, respectively.

        * fold-const.c (fold_binary): Use code instead of t.

        * fold-const.c (optimize_minmax_comparison): Take decomposed
        arguments code, type, op0, and op1 instead of t.
        (fold_binary): Update a call to optimize_minmax_comparison.

        * fold-const.c (fold_range_test): Take decomposed arguments
        code, type, op0, and op1 instead of t.
        (fold_binary): Update a call to fold_range_test.

        * fold-const.c (fold_binary_op_with_conditional_arg): Take
        decomposed arguments code, type, op0, and op1 instead of t.
        (fold_binary): Update a call to fold_range_test.

2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>

        * fold-const.c (fold_binary): Avoid directly using the original
        expression t as much as possible.

2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>

        * c-semantics.c (build_stmt): Use TYPE_P instead of
        IS_NON_TYPE_CODE_CLASS.
        * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
        (NON_TYPE_CHECK): Use TYPE_P instead of
        IS_NON_TYPE_CODE_CLASS.

        * fold-const.c (fold): Remove handling of binary expressions.

2005-03-05  James A. Morrison  <phython@gcc.gnu.org>

        * doc/c-tree.texi: Wrap comments in @r{}.
        * doc/cpp.texi: Likewise.
        * doc/cppinternals.texi: Likewise.
        * doc/extend.texi: Likewise.
        * doc/md.texi: Likewise.
        * doc/objc.texi: Likewise.
        * doc/sourcebuild.texi: Likewise.
        * doc/tm.texi: Likewise.
        * doc/tree-ssa.texi

2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>

        * predict.c (apply_return_prediction): Standardize PHI chain
        walking.
        * tree-ssa.c (ssa_redirect_edge): Likewise.

        * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
        gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
        Update copyright.

        * tree-phinodes.c (remove_phi_node): Drop the last argument.
        * tree-flow.h: Adjust the prototype for remove_phi_node.
        * lambda-code.c (perfect_nestify): Adjust a call to
        remove_phi_node.
        * tree-cfg.c
        (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
        * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
        Likewise.
        * tree-ssa-dce.c (remove_dead_phis): Likewise.
        * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
        * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
        * tree-ssa.c (kill_redundant_phi_nodes): Likewise.

        * combine.c (simplify_and_const_int): Use gen_int_mode instead
        of GEN_INT (trunc_int_for_mode (...)).
        * loop-iv.c (iv_number_of_iterations): Likewise.
        * postreload.c (reload_cse_move2add): Likewise.
        * simplify-rtx.c (simplify_const_unary_operation,
        simplify_const_binary_operation): Likewise.
        * stor-layout.c (get_mode_bounds): Likewise.

        * fold-const.c (fold_binary): New.
        (fold): Call fold_binary on binary expressions.

2005-03-05  Richard Sandiford  <rsandifo@redhat.com>

        * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
        * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
        (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
        (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
        (ASM_SPEC): Pass down -msym32 and -mno-sym32.

2005-03-04  Devang Patel  <dpatel@apple.com>

        PR tree-optimization/18815
        * tree-if-conv.c (combine_blocks): Adjust loop header edges for
        loops with zero exit edges.

2005-03-04  Devang Patel  <dpatel@apple.com>

        * doc/invoke.texi: Remove reference to webpage that does not exist.

2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
            Joseph S. Myers  <joseph@codesourcery.com>

        PR c++/19797
        * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
        (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
        * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
        * pa.c (get_plabel): Change argument to symbol_ref.  Call
        maybe_get_identifier instead of get_identifier.
        (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
        (struct deferred_plabel): Replace name field with symbol field.
        (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
        ASM_OUTPUT_EXTERNAL_REAL is defined.
        (output_global_address): Use output_addr_const for output of all
        symbol_refs.
        (output_deferred_plabels): Use symbol_ref instead of name for address
        output.
        * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
        ASM_OUTPUT_SYMBOL_REF): New macros.
        * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
        comment.
        (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
        label.

2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>

        * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
        *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.

2005-03-04  Jeff Law  <law@redhat.com>

        * basic-block.h (rediscover_loops_after_threading): Declare.
        * tree-ssa-dom.c: Include cfgloop.h.
        (tree_ssa_dominator_optimize): Discover loops and some basic
        properties.  Remove forwarder blocks recreated by loop header
        canonicalization.  Also mark backedges in the CFG.
        * tree-ssa-threadupdate.c: Include cfgloop.h
        (rediscover_loops_after_threading): Define.
        (struct local_info): New field, JUMP_THREADED.
        (prune_undesirable_thread_requests): New function.
        (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
        then record that fact for the callers of redirct_edges.
        (thread_block): If BB has incoming backedges, then call
        prune_undesirable_thraed_requests.    Note when we are
        going to have to rediscover loop information.  Return a
        boolean indicating if any jumps were threaded.
        (thread_through_all_blocks): Bubble up boolean indicating
        if any jumps were threaded.
        * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
        (tree-ssa-threadupdate.o): Similarly.

2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>

        * fold-const.c (fold_ternary): Unroll the "for" loop to
        extract operands.

2005-03-04  Andrew Haley  <aph@redhat.com>

        * unwind-dw2-fde-glibc.c (struct
        unw_eh_callback_data.check_cache): New field.
        (frame_hdr_cache): New.
        (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
        Cache frame header info.

2005-03-04  Richard Sandiford  <rsandifo@redhat.com>

        * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
        (print_c_condition): Declare.
        * read-rtl.c (ptr_loc): New structure.
        (ptr_locs, ptr_loc_obstack, joined_conditions)
        (joined_conditions_obstack): New variables.
        (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
        (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
        (join_c_conditions, print_c_condition): New functions.
        (apply_macro_to_string): Associate the new string with the same
        source location as the old one.
        (add_condition_to_string): Use join_c_conditions.
        (read_string): Use set_rtx_ptr_loc to record a filename and line
        number for the string.
        (read_rtx): Initialize the new variables above.
        * genattrtab.c (write_test_expr, write_attr_value): Use
        print_c_condition.
        * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
        comment above the GCC_VERSION check.
        (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
        Inline the definition of MAYBE_EVAL.
        * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
        * genoutput.c (process_template): Likewise.
        * genpreds.c (write_predicate_subfunction): Likewise.
        (write_predicate_expr): Use print_c_condition.
        * genrecog.c (write_cond): Likewise.
        * gensupport.c (process_rtx): Use join_c_conditions to join the
        conditions of a define_insn_and_split.  Record a source location
        for the string after the "&&".
        (alter_test_for_insn): Use join_c_conditions.

2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>

        Revert for now:
        2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
        PR tree-optimization/15784
        * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
        and -1 - A to ~A.

2005-03-04  Ben Elliston  <bje@au.ibm.com>

        * gcc.c (option_map): Add --coverage.
        (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
        (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
        * config/darwin.h: Pass -lgcov for `coverage'.
        * doc/invoke.texi (Debugging Options): Document --coverage.

2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>

        * gcse.c (bypass_block): Use find_edge wherever possible.

2005-03-03  Daniel Berlin <dberlin@dbrelin.org>

        Fix PR debug/20253

        * c-opts.c (c_common_parse_file): Call start_source_file
        and end_source_file at the approriate times.

        * dwarf2out.c (dwarf2out_finish): Don't auto-end
        the main file, it will be done for us now.

2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>

        * fold-const.c (fold_ternary): New.
        (fold): Call fold_ternary on ternary expressions.  Remove
        handling of ternary expressions.

2005-03-03  James A. Morrison  <phython@gcc.gnu.org>

        PR tree-optimization/15784
        * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
        and -1 - A to ~A.

2005-03-03  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/predicates.md (branch_comparison_operator):
        Convert from C block to conditional format.

2005-03-03  Jan Hubicka  <jh@suse.cz>

        * tree-dfa.c (add_referenced_var): Don't walk initializer of external
        and non-constant public variables.

2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
        with LABEL_EXPR.

        * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
        EDGE_I.

        * tree-phinodes.c (remove_phi_node): Clean up by factoring out
        calls to release_ssa_name and release_phi_node.

        * fold-const.c (fold): Remove handling of unary expressions.

        * fold-const.c (fold_unary): Avoid directly using the original
        expression t as much as possible.

2005-03-03  Roger Sayle  <roger@eyesopen.com>
            Andrew Pinski  <pinskia@physics.uc.edu>

        * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
        RETURN rtx, and not a LABEL_REF containing a NULL pointer.

2005-03-03  Hans-Peter Nilsson  <hp@axis.com>

        Describe special registers SRP and MOF as allocatable registers.
        * config/cris/cris.c (cris_md_asm_clobbers): New function.
        (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
        (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
        TARGET_HAS_MUL_INSNS.
        (cris_print_operand) <case 'd'>: New case.
        <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
        * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
        define.
        (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
        (REG_ALLOC_ORDER): Update for MOF.
        (enum reg_class): New members MOF_REGS, GENERAL_REGS and
        SPECIAL_REGS.
        (GENERAL_REGS): No longer a define of ALL_REGS.
        (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
        (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
        Adjust accordingly.
        (CRIS_SPECIAL_REGS_CONTENTS): New macro.
        (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
        (SECONDARY_RELOAD_CLASS): Define.
        (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
        (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
        (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
        (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
        (REGISTER_MOVE_COST): Define.
        (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
        * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
        (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
        (CRIS_MOF_REGNUM): New define_constants.
        ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
        special registers.
        ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
        New patterns.
        ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
        ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
        Adjust for MOF being properly described as a register.
        (indir_to_reg_split): Name this split.  Conditionalize on the
        destination register being a general register.
        (movei): Conditionalize on on operands 0 and 1 having the same
        register class.

2005-03-03  Alan Modra  <amodra@bigpond.net.au>

        PR target/20277
        * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
        -mcpu to override any other explicitly given flags.

2005-03-02  J"orn Rennecke <joern.rennecke@st.com>

        * recog.c (verify_changes, confirm_change_group): New functions,
        broken out of apply_change_group.
        (apply_change_group): Use them.
        * recog.h (verify_change, confirm_change_group): Declare.
        * rtl.h (redirect_jump_2): Declare.
        * jump.c (redirect_exp, invert_exp): Delete.
        (invert_exp_1): Take second parameter.  Return value.  Changed caller.
        (redirect_jump_2): New function, broken out of redirect_jump.
        (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
        (invert_jump): Use invert_jump_1 and redirect_jump_2.
        * ifcvt.c (dead_or_predicable): Use redirect_jump_2.

2005-03-02  Geoffrey Keating  <geoffk@apple.com>

        * varasm.c (named_section): Use xstrdup rather than doing it by
        hand.

        * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.

2005-03-02  Devang Patel  <dpatel@apple.com>

        Undo PR tree-optimization/18815 fix.

2005-03-02  Devang Patel  <dpatel@apple.com>

        PR tree-optimization/18815
        * tree-if-conv.c (combine_blocks): Adjust loop header edges for
        loops with zero exit edges.

2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>

        * cfg.c (connect_src, connect_dest, disconnect_src,
        disconnct_dest): New.
        (unchecked_make_edge, remove_edge, redirect_edge_succ,
        redirect_edge_pred): Use the new functions.

        * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
        free_dominance_info only when needed.

2005-03-02  David Edelsohn  <edelsohn@gnu.org>

        PR target/20276
        * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
        (reg_or_sub_cint64_operand): Same.

2005-03-02  Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
        CFG_ALTERED in the main DOM iteration loop.

2005-03-02  Mark Mitchell  <mark@codesourcery.com>

        PR c++/19916
        * varasm.c (initializer_constant_valid_p): Allow conversions
        between OFFSET_TYPEs.  Tidy.

2005-03-02  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.md ("return"): Remove epilogue delay list
        sanity check.

2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
        for Thumb.
        * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.

2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>

        * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
        loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
        config/m68k/m68k.c, config/mips/mips.h,
        config/rs6000/rs6000-protos.h, doc/contrib.texi,
        doc/include/gcc-common.texi: Update copyright.

        PR middle-end/18029 and PR middle-end/18030
        * expr.c (optimize_bitfield_assignment_op): Add a special case
        to handle BIT_IOR_EXPR and BIT_XOR_EXPR.

        * fold-const.c (fold_unary): New.
        (fold): Call fold_unary on unary expressions.

2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>

        * cgraph.h (struct cgraph_edge): Add prev_caller and
        prev_callee fields.
        (cgraph_node_remove_callees): Export.
        * cgraph.c (cgraph_create_edge): Initialize prev_caller
        and prev_callee.
        (cgraph_edge_remove_callee): New function.
        (cgraph_edge_remove_caller): Likewise.
        (cgraph_remove_edge): Use.
        (cgraph_redirect_edge_callee): Likewise.
        (cgraph_node_remove_callees): New function.
        (cgraph_node_remove_callers): Likewise.
        (cgraph_remove_node): Use.
        * tree-optimize.c (tree_rest_of_compilation): Use
        cgraph_node_remove_callees instead of manual loop.
        * cgraphunit.c (cgraph_finalize_function): Likewise.
        (cgraph_expand_function): Likewise.
        (cgraph_remove_unreachable_nodes): Likewise.

2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/8927
        * c-tree.h (undeclared_variable, build_external_ref): Add extra
        argument.
        * c-decl.c (undeclared_variable): Take location as argument.
        * c-typeck.c (build_external_ref): Likewise.
        * c-parser.c (c_parser_postfix_expression): Pass location of
        identifier to build_external_ref.

2005-03-01  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
        CCEQ mode for branch_positive_comparison_operator test.
        * config/rs6000/predicates (branch_comparison_operator): Revert to
        define_predicate.
        (scc_comparison_operator): Same.
        (branch_positive_comparison_operator): Same.

2005-03-01  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.c (cris_eligible_for_epilogue_delay)
        (cris_delay_slots_for_epilogue): Remove.
        (save_last): Move into cris_target_asm_function_epilogue.
        (cris_target_asm_function_epilogue): Remove tests for file being
        NULL.
        * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
        (cris_delay_slots_for_epilogue): Remove prototypes.
        * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
        (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.

2005-03-01  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/predicates.md (branch_comparison_operator): Change
        to define_special_predicate.
        (scc_comparison_operator): Same.
        (branch_positive_comparison_operator): Same.

2005-03-01  Daniel Berlin <dberlin@dberlin.org>

        * Makefile.in (tree-ssa-sink.o): New.
        (OBJS-common): Add tree-ssa-sink.o.
        * common.opt: Add -ftree-sink
        * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
        * timevar.def (TV_TREE_SINK): new timevar.
        * tree-flow.h (is_hidden_global_store): Prototype.
        * tree-optimize.c (init_tree_optimization_passes): Add
        pass_sink_code.
        * tree-pass.h (pass_sink_code): New.
        * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
        for non-obvious global store store to is_hidden_global_store, and
        call that new function.
        * tree-ssa-sink.c: New file.
        * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
        * doc/passes.texi: Document forward store motion.
        * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
        * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
        * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
        * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test

2005-03-01  Per Bothner  <per@bothner.com>

        * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
        and we have a non-zero column-number, add it to the message.
        Also factor out the diagnostic_kind_text.

2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>

        * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
        flow_loop_pre_header_scan, flow_loop_pre_header_find,
        flow_loop_scan): Removed.
        (flow_loop_dump): Do not dump removed fields.
        (flow_loop_free): Do not free removed fields.
        (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
        (loop_exit_edge_p): New function.
        * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
        num_pre_header_edges, entry_edges, num_entries, exit_edges,
        num_exits, exits_doms.
        (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
        LOOP_EDGES, LOOP_ALL): Removed.
        (flow_loop_scan): Declaration removed.
        (loop_exit_edge_p, mark_loop_exit_edges): Declare.
        * cfgloopmanip.c (create_loop_notes): Do not pass flags to
        flow_loops_find.
        * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
        (if_convert): Call flow_loops_find and flow_loops_free
        when calling mark_loop_exit_edges.
        * cfgloopanal.c (mark_loop_exit_edges): Moved from
        ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
        free_dominance_info calls.
        * loop-init.c (flow_loops_find): Ditto.
        * passes.c (rest_of_handle_branch_prob): Ditto.
        * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
        * loop-unroll.c (analyze_insns_in_loop): Do not use
        EDGE_LOOP_EXIT.
        * predict.c (predict_loops): Do not call flow_loop_scan.
        Use get_loop_exit_edges.
        (tree_estimate_probability): Do not pass flags to flow_loops_find.
        * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
        Do not use EDGE_LOOP_EXIT.
        (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
        to bb_with_exit_edge_p.
        (if_convertible_loop_p): Do not call flow_loop_scan.  Use
        loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
        to bb_with_exit_edge_p.
        (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
        EDGE_LOOP_EXIT.
        * tree-loop-linear.c (linear_transform_loops): Do not call
        flow_loop_scan.  Use loop->single_exit.
        * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
        (vect_analyze_loop_form): Do not call flow_loop_scan.
        * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
        loop->single_exit.
        (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
        loop->single_exit.
        * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
        slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
        slpeel_tree_duplicate_loop_to_edge_cfg,
        slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
        Use loop_preheader_edge and loop->single_exit.  Do not call
        flow_loop_scan.

2005-03-01  Nick Clifton  <nickc@redhat.com>

        * config/arm/arm.c (thumb_find_work_register): Check all of the
        argument registers to see if they are free, and a couple of
        special cases where the last argument register but can be proved
        to be available during the function's prologue.
        (print_multi_reg, arm_compute_save_reg0_reg12_mask,
        output_return_instruction, emit_multi_reg_push, thumb_pushpop,
        thumb_unexpanded_epilogue): Use unsigned long as the type for the
        register bit-mask.
        (thumb_compute_save_reg_mask): Likewise.  Also use
        thumb_find_work_register() to ensure that there is agreement about
        which work register is going to be used in the prologue.
        (thumb_output_function_prologue): Use unsigned long as the type
        for the register bit-mask.  Also delay pushing the link register if
        other high registers are going to be pushed.
        (thumb_compute_save_reg_mask, emit_multi_reg_push,
        print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
        redundant prototypes.

2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>

        PR target/19819
        * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
        and after reload in REG+REG indexed addresses without REG_POINTER
        set in the base and not set in the index.

2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
        Don't undefine here.
        (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
        (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
        (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
        (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
        LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
        Delete.
        * config.gcc (sh*-*-linux*): Use config/linux.h.

2005-02-28  Dale Johannesen  <dalej@apple.com>
            Stan Shebs  <shebs@apple.com>

        Rewrite of 64-bit Darwin structure-by-value pass/return.
        * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
        intoffset, use_stack, named.
        * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
        (rs6000_darwin64_record_arg_advance_flush):  New.
        (rs6000_darwin64_record_arg_advance_recurse): New.
        (rs6000_darwin64_record_arg_flush):  New.
        (rs6000_darwin64_record_arg_recurse):  New.
        (rs6000_darwin64_record_arg):  New.
        (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
        (function_arg_boundary):  Handle 128-bit aligned structs.
        (function_arg_advance):  Rewrite darwin64 struct handling.
        (function_arg):  Call rs6000_darwin64_record_arg.
        (function_arg_partial_nregs):  Handle darwin64 structs.
        (rs6000_darwin64_function_value):  Remove.
        (rs6000_function_value):  Call rs6000_darwin64_record_arg.

2005-02-28  Roger Sayle  <roger@eyesopen.com>

        PR tree-optimization/20216
        * tree-chrec.c (tree_fold_factorial): Delete.
        (tree_fold_binomial): Change argument list to take a return type
        and change the type of K to unsigned int.  Rewrite to avoid explicit
        evaluation of factorials, and (recursively) calling fold to perform
        compile-time arithmetic.  Return NULL on (internal) overflow.
        (chrec_evaluate): Change type of K to an unsigned int.  Avoid
        calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
        if any intermediate calculation overflows.
        (chrec_apply): Update call to chrec_evaluate.

2005-02-28  James E Wilson  <wilson@specifixinc.com>

        * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.

2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/20245
        * c-parser.c (c_parser_compound_statement): Return error_mark_node
        instead of NULL_TREE on error.

2005-02-28  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
        (EASY_VECTOR_15_ADD_SELF): Remove.
        (num_insns_constant_wide): Not static.
        (validate_condition_mode): Not static.
        (toc_relative_expr_p): Not static.
        (legitimate_indirect_address_p): Not static.
        (macho_lo_sum_memory_operand): Not static.
        (invalid_e500_subreg): Not static.
        (easy_vector_same): Not static.
        (easy_vector_splat_const): Not static.
        (RS6000_SYMBOL_REF_TLS_P): Remove.
        (any_operand): Delete.
        (any_parallel_operand): Delete.
        (count_register_operand): Delete.
        (altivec_register_operand): Delete.
        (xer_operand): Delete.
        (s8bit_cint_operand): Delete.
        (short_cint_operand): Delete.
        (u_short_cint_operand): Delete.
        (non_short_cint_operand): Delete.
        (exact_log2_cint_operand): Delete.
        (gpc_reg_operand): Delete.
        (cc_reg_operand): Delete.
        (cc_reg_not_cr0_operand): Delete.
        (reg_or_short_operand): Delete.
        (reg_or_neg_short_operand): Delete.
        (reg_or_aligned_short_operand): Delete.
        (reg_or_u_short_operand): Delete.
        (reg_or_cint_operand): Delete.
        (reg_or_arith_cint_operand): Delete.
        (reg_or_add_cint64_operand): Delete.
        (reg_or_sub_cint64_operand): Delete.
        (reg_or_logical_cint_operand): Delete.
        (got_operand): Delete.
        (got_no_const_operand): Delete.
        (easy_fp_constant): Delete.
        (easy_vector_constant): Delete.
        (easy_vector_constant_add_self): Delete.
        (zero_constant): Delete.
        (zero_fp_constant): Delete.
        (volatile_mem_operand): Delete.
        (offsettable_mem_operand): Delete.
        (mem_or_easy_const_operand): Delete.
        (add_operand): Delete.
        (non_add_cint_operand): Delete.
        (logical_operand): Delete.
        (non_logical_cint_operand): Delete.
        (mask_operand): Delete.
        (mask_operand_wrap): Delete.
        (mask64_operand): Delete.
        (mask64_2_operand): Delete.
        (and64_operand): Delete.
        (and64_2_operand): Delete.
        (and_operand): Delete.
        (reg_or_mem_operand): Delete.
        (lwa_operand): Delete.
        (symbol_ref_operand): Delete.
        (call_operand): Delete.
        (current_file_function_operand): Delete.
        (input_operand): Delete.
        (rs6000_nonimmediate_operand): Delete.
        (rs6000_tls_symbol_ref): Delete.
        (save_world_operation): Delete.
        (restore_world_operation): Delete.
        (load_multiple_operation): Delete.
        (store_multiple_operation): Delete.
        (vrsave_operation): Delete.
        (mfcr_operation): Delete.
        (mtcrf_operation): Delete.
        (lmw_operation): Delete.
        (stmw_operation): Delete.
        (branch_comparison_operator): Delete.
        (branch_positive_comparison_operator): Delete.
        (scc_comparison_operator): Delete.
        (trap_comparison_operator): Delete.
        (boolean_operator): Delete.
        (boolean_or_operator): Delete.
        (min_max_operator): Delete.
        * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
        (EASY_VECTOR_15): Moved to here.
        (EASY_VECTOR_15_ADD_SELF): Move to here.
        (PREDICATE_CODES): Delete.
        * config/rs6000/rs6000-protos.h: Delete predicate functions.
        Declare functions no longer static.
        * config/rs6000/predicates.md: New.
        * config/rs6000/rs6000.md: Include predicates.md

2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>

        * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
        (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
        REG_ALWAYS_RETURN.
        * cfgrtl.c (need_fake_edge_p): Likewise.
        * combine.c (distribute_notes): Likewise.
        * emit-rtl.c (try_split): Likewise.
        * recog.c (peephole2_opimize): Likewise.
        * reg-notes.def (ALWAYS_RETURN): Remove.
        * rtl.h (LCT_ALWAYS_RETURN): Remove.
        * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
        * tree.h (ECF_ALWAYS_RETURN): Remove.

2005-02-28  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/19874
        * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
        between different machine modes is never a "useless" conversion.

2005-02-28  Geert Bosch  <bosch@gnat.com>

        PR ada/15977
        * doc/contrib.texi: List contributors for Ada front end

2005-02-28 Paolo Bonzini <bonzini@gnu.org>

        * simplify-rtx.c (simplify_unary_operation_1,
        simplify_const_unary_operation): New, extracted from...
        (simplify_unary_operation): ... this one.
        (simplify_binary_operation_1,
        simplify_const_binary_operation): New, extracted from...
        (simplify_binary_operation): ... this one.
        * rtl.h (simplify_const_unary_operation,
        simplify_const_binary_operation): Add prototypes.

2005-02-28  Julian Brown  <julian@codesourcery.com>

        * config/elfos.h: Revert my patch from 2005-02-25 since it broke
        building libjava and caused PR regression/20228.

2005-02-28  Paolo Bonzini  <bonzini@gnu.org>

        PR bootstrap/17383
        * Makefile.in (host_subdir): New.
        (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
        * configure: Regenerate.

2005-02-27  Zack Weinberg  <zack@codesourcery.com>

        * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
        * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
        installation directory first.

2005-02-28  Hans-Peter Nilsson  <hp@axis.com>

        PR target/19065.
        * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
        not including (reg). Do not check for reg being CRIS_PC_REGNUM.
        (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
        * config/cris/cris.md: Tweak comments referring to Q.
        ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
        ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
        ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
        ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
        ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
        Insert spaces in constraints to align alternatives vertically for
        readability.
        ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
        operand 1: "M".

2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR rtl-optimization/17728
        * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
        operand 0 from general_operand to move_dest_operand.

2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
        instead of trying to save and restore TREE_SYMBOL_REFERENCED.
        * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
        (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.

2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>

        * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
        * configure: Regenerate.
        * libada-mk.in: Remove CC; rename
        cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.

2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/20188
        * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
        for the lhs, also walk over the tree.  Likewise for rhs.

2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-ssa-dom.c (simple_iv_increment_p): New function.
        (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
        Do not propagate value of iv before increment over the increment.

2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>

        * c-parser.c: New file.
        * c-parse.in: Remove.
        * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
        Remove.
        (c-parser.o): Add dependencies.
        (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
        maintainer-clean, TAGS): Update.
        * c-config-lang.in (gtfiles): Update.
        * gengtype-lex.l: Don't handle "@@".
        * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
        objc_build_synchronized, objc_begin_try_stmt,
        objc_begin_catch_clause, objc_finish_catch_clause,
        objc_build_finally_clause, objc_finish_try_stmt): New.
        * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
        type_seen_p.
        (c_parse_init): Update comment.
        * c-decl.c (c_init_decl_processing): Update comment.
        (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
        declspecs_add_scspec, declspecs_add_attrs): Initialize and update
        new c_declspecs members.

2005-02-25  Julian Brown  <julian@codesourcery.com>

        * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
        from being used for symbols with vague linkage when
        HAVE_GAS_COMDAT_GROUP is true.

2005-02-25  Mark Mitchell  <mark@codesourcery.com>

        * doc/include/gcc-common.texi (version-GCC): Update to 4.1.

2005-02-25  Steve Ellcey  <sje@cup.hp.com>

        PR target/19930
        * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
        (LIBGCC2_HAS_DF_MODE): New.
        (LIBGCC2_HAS_XF_MODE): New.
        (LIBGCC2_HAS_TF_MODE): New.
        * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
        (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
        * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
        (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
        (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
        * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
        and add _fixtfdi, _fixunstfdi, _floatditf
        * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
        L_fixunstfdi, L_floatditf.
        * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
        (LIBGCC2_HAS_TF_MODE): Define.

2005-02-25  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/20204
        * tree-into-ssa.c (insert_phi_nodes_for): Do not use
        REWRITE_THIS_STMT markers on PHI nodes.
        (rewrite_initialize_block): Likewise.

2005-02-25  Mark Mitchell  <mark@codesourcery.com>

        * version.c (version_string): Update to 4.1.

2005-02-25  Paolo Carlini  <pcarlini@suse.de>

        * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
        Clarify that the alternative way doesn't work in GNU C++.

2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/19937
        * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
        to the type of the induction variable.

2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR rtl-optimization/20117
        * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
        the block including noncopyable insn.

2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>

        * cse.c (delete_trivially_dead_insns): Speed up by minimizing
        calls to find_reg_note.

2005-02-24  Richard Henderson  <rth@redhat.com>

        PR tree-opt/20127
        * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
        the type.

2005-02-24  Fariborz Jahanian <fjahanian@apple.com>

        * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
        vector types if to use base reg for misaligned non-word ld/std.

2005-02-24  Hans-Peter Nilsson  <hp@axis.com>

        PR target/14619
        * config/cris/cris.c (cris_target_asm_function_prologue): Create
        dwarf2 label manually and put it after, not before the prologue.

2005-02-24  David Edelsohn  <edelsohn@gnu.org>

        PR target/19019
        * reload.c (operands_match_p): Only increment register number for
        SCALAR_INT_MODE_P modes in multiple hard registers.

        * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
        Fix formatting.

2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * ChangeLog.5: Fix log message typo(s).
        * ChangeLog.7: Likewise.
        * ChangeLog.tree-ssa: Likewise.
        * cfgexpand.c: Fix comment typo(s).
        * conflict.c: Likewise.
        * defaults.h: Likewise.
        * dwarf2out.c: Likewise.
        * gcse.c: Likewise.
        * ggc-page.c: Likewise.
        * tree-eh.c: Likewise.
        * tree-ssa-dom.c: Likewise.

2005-02-24  Jakub Jelinek  <jakub@redhat.com>

        PR target/19019
        * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
        * config/rs6000/darwin-ldouble.c: Only use the .symver directives
        if SHARED is defined.

        PR target/20196
        * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
        allow splitting only if operands 0 and 3 don't overlap.

2005-02-24  Richard Henderson  <rth@redhat.com>

        PR middle-end/19953
        * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
        (fold_builtin_1): Call them.
        * fold-const.c (fold_complex_mult_parts): Split out from ...
        (fold_complex_mult): ... here.  Fix typo in both imaginary case.
        (fold_complex_div_parts, fold_complex_div): New.
        (fold): Use them.
        * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.

2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * tree-ssa-ccp.c (visit_assignment): Verify that result of
        VIEW_CONVERT_EXPR is_gimple_min_invariant.

        * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
        (print_node): Likewise.
        Print TYPE_SIZES_GIMPLIFIED.

2005-02-24  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
        ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
        operands as commutative in constraints.

2005-02-24  Diego Novillo  <dnovillo@redhat.com>

        * tree-into-ssa.c: Re-organize internal functions.

2005-02-24  Richard Henderson  <rth@redhat.com>

        PR middle-end/18902
        * c-opts.c (c_common_post_options): Set flag_complex_method to 2
        for c99.
        * common.opt (fcx-limited-range): New.
        * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
        * toplev.c (flag_complex_method): Initialize to 1.
        (process_options): Set flag_complex_method to 0 if
        flag_cx_limited_range.
        * doc/invoke.texi (-fcx-limited-range): New.

2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>

        * cse.c (delete_trivially_dead_insns): Speed up by using
        NEXT_INSN and PREV_INSN directly instead of next_real_insn and
        prev_real_insn.

2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>

        * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
        functions when -mid-shared-library is being used.

2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>

        * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
        (LINK_LIBGCC_SPECIAL_1): Don't mention it.
        * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
        * system.h: Poison LINK_LIBGCC_SPECIAL.

2005-02-23  James E Wilson  <wilson@specifixinc.com>

        * gengtype.c (note_insn_name): Make 1 element larger.

2005-02-23  Roger Sayle  <roger@eyesopen.com>

        PR target/20018
        PR rtl-optimization/20097
        * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
        BImode SUBREGs of SImode registers which confuse the ia64 backend.

2005-02-23  David Edelsohn  <edelsohn@gnu.org>

        * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
        * t-aix52 (SHLIB_INSTALL): Same.

2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>

        * genpreds.c: Update copyright.

2005-02-23  Michael Beach  <michaelb@ieee.org>

        PR target/20159
        * config/sparc/t-elf (startup files): Assemble with CPP.

2005-02-23  Paolo Bonzini  <bonzini@gnu.org>

        * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
        (write_predicate_expr): Likewise.

2005-02-22  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/20100
        PR tree-optimization/20115
        * tree-optimize.c (init_tree_optimization_passes): Remove
        pass_maybe_create_global_var.
        * tree-pass.h (pass_maybe_create_global_var): Remove.
        * tree-ssa-alias.c (aliases_computed_p): Declare.
        (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
        (count_calls_and_maybe_create_global_var): Remove.
        (pass_maybe_create_global_var): Remove.
        (init_alias_info): Do not declare aliases_computed_p.
        (maybe_create_global_var): If the function contains no
        call-clobbered variables and a mix of pure/const and regular
        function calls, create .GLOBAL_VAR.
        Mark all call-clobbered variables for renaming.
        (merge_pointed_to_info): Update comment.
        (add_pointed_to_var): Likewise.
        (is_escape_site): Likewise.
        Accept struct alias_info * instead of size_t *.
        Update all users.
        Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
        as necessary.
        * tree-ssa-operands.c (get_call_expr_operands): If
        ALIASES_COMPUTED_P is false, do not add call-clobbering
        operands.
        * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
        (delete_tree_ssa): Likewise.

2005-02-22  James E Wilson  <wilson@specifixinc.com>

        * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
        (do_compile): Do call it here.

2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>

        PR rtl-optimization/20017.
        * passes.c (rest_of_handle_combine, rest_of_handle_cse,
        rest_of_handle_cse2, rest_of_handle_gcse): Call
        delete_dead_jumptables immediately before calling cleanup_cfg.

2005-02-22  Devang Patel  <dpatel@apple.com>

        PR 19952
        * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
        all labels

2005-02-22  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/aix.h (WINT_TYPE): Define.

2005-02-22  Stan Shebs  <shebs@apple.com>

        * config/rs6000/rs6000.c (rs6000_override_options): Default to
        natural alignment for 64-bit Darwin.
        (rs6000_parse_alignment_option): Warn about uses of -malign-power
        on 64-bit Darwin.
        * doc/invoke.texi: Document this.

2005-02-22  DJ Delorie  <dj@redhat.com>

        * c-common.c (c_common_type_for_mode): Pass the mode's precision
        to make_[un]signed_type, not the mode itself.

2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>

        * cfg.c (cached_make_edge): Call make_edge if edge cache is
        not available.  Use tail calls wherever possible.
        (make_edge): Call unchecked_make_edge to create an edge.

        * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
        (coalesce_ssa_name): Don't check for
        SSANORM_USE_COALESCE_LIST.
        (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.

2005-02-22  Diego Novillo  <dnovillo@redhat.com>

        * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
        (rewrite_into_ssa): ... here.

2005-02-21  Alexandre Oliva  <aoliva@redhat.com>

        PR tree-optimization/19786
        * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
        tag to another's may-alias bitmap when adding to the other's list.

2005-02-21  DJ Delorie  <dj@redhat.com>

        * tree-ssa-loop-ivopts.c (computation_cost): Start register
        numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
        registers in unsupported ways.
        * expmed.c (init_expmed): Likewise.

2005-02-21  Stan Cox  <scox@redhat.com>

        * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.

2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (fold_cond_expr_cond): New.
        (make_edges): Call fold_cond_expr_cond.
        (find_taken_edge): Accept nothing but INTEGER_CST.
        (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
        and 1.
        (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.

        * flow.c (delete_dead_jumptables): Speed up by scanning insns
        that do not belong to any basic block.

2005-02-21  Jeff Law  <law@redhat.com>

        * cfganal.c (find_unreachable_blocks): Manually CSE load of
        e->dest.

2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
        (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
        Adjust their definitions.
        (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
        (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.

        * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
        genautomata.c, langhooks.c, langhooks.h, system.h,
        config/arm/lib1funcs.asm: Update copyright.

2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>

        * dbxout.c (dbxout_function_end): Emit Lscope label always.

2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>

        PR bootstrap/13770
        * doc/install.texi: Document --with-gc.

2005-02-21  Paolo Bonzini  <bonzini@gnu.org>

        * simplify-rtx.c (simplify_unary_operation): Add a missing
        "break" statement.

2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR tree-optimization/18663
        * tree-ssa-dom.c (extract_range_from_cond): Return 0
        if the type has variable bounds.

2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>

        * gcse.c: Remove an obsolete comment.

        * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.

2005-02-20  Hans-Peter Nilsson  <hp@axis.com>

        * doc/extend.texi (Function Attributes) <Attribute const>: The
        attribute "pure" is below this text, not above.

2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
        (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
        * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.

2005-02-20  Zack Weinberg  <zack@codesourcery.com>

        PR 18785
        * langhooks.h (struct lang_hooks): Add to_target_charset.
        * langhooks.c (lhd_to_target_charset): New function.
        * langhooks-def.h: Declare lhd_to_target_charset.
        (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
        (LANG_HOOKS_INITIALIZER): Update.
        * c-common.c (c_common_to_target_charset): New function.
        * c-common.h: Declare it.
        * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
        c_common_to_target_charset.

        * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
        (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
        Delete definitions.
        * system.h: Poison them.
        * doc/tm.texi: Don't discuss them.
        * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
        * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
        (pp_c_char): Do not attempt to generate letter escapes for
        newline, tab, etc.
        * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
        * config/mips/mips.c (mips_output_ascii): Likewise.

2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>

        PR tree-optimization/19951
        * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
        is abnormal.

2005-02-19  Steven Bosscher  <stevenb@suse.de>

        PR middle-end/19698
        * function.h (struct function): New field `max_loop_depth'.
        * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
        (flow_loops_find): Reset the max loop depth count before finding loops.
        * flow.c (MAX_LIVENESS_ROUNDS): New constant.
        (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
        (calculate_global_regs_live): Make sure the loop will terminate
        when the initial sets are not empty.

2005-02-19  Zack Weinberg  <zack@codesourcery.com>

        * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
        object inside.
        * config/ia64/hpux.h: Don't define LIBGCC_SPEC.

2005-02-19  Richard Sandiford  <rsandifo@redhat.com>

        PR other/19525
        * doc/invoke.texi: Remove documentation of %M spec.
        * gcc.c: Likewise.
        (init_spec): Remove %M suffix from -lgcc_s.
        (do_spec_1): Remove 'M' case.
        * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
        to put shared libraries in the multilib directory.  Remove the
        shlib_so_soname substitution variable.  Don't add a multilib encoding
        to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
        reported by -print-multi-os-directory.  Pass @multilib_dir@ to
        SHLIB_INSTALL as well as SHLIB_LINK.
        * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
        (SHLIB_NAME): Delete.
        (SHLIB_DIR): New macro.
        (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
        (SHLIB_INSTALL): Adjust accordingly.
        * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
        * config/t-slibgcc-sld: Likewise.
        * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
        (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
        (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
        in $(SHLIB_DIR).
        (SHLIBUNWIND_INSTALL): Adjust accordingly.
        * config/i386/t-nwld (SHLIB_SONAME): Delete.
        (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
        Use @shlib_base_name@ instead of @shlib_so_name@.
        * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
        and @shlib_base_name@.so in @multilib_dir@.
        (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
        to the install path.
        * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
        (SHLIB_LINK): Remove previous workaround.
        * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
        (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
        (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
        the install path.
        * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
        @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
        (SHLIB_INSTALL): Adjust accordingly.
        (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
        * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
        * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
        config/t-slibgcc-elf-ver.

2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
            Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/19828
        * tree-ssa-loop-im.c: Add a TODO comment.
        (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
        without side-effects.

2005-02-18  James A. Morrison  <phython@gcc.gnu.org>

        * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
        call fold_convert.

2005-02-18  James E. Wilson  <wilson@specifixinc.com>

        * doc/invoke.texi (IA-64 Options): Delete -mb-step.
        * config/ia64/ia64.c (last_group, group_idx): Delete variables.
        (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
        functions.
        (ia64_reorg): Delete fixup_errata call.
        * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
        (TARGET_SWITCHES): Delete -mb-step entry.

2005-02-19  Jakub Jelinek  <jakub@redhat.com>

        PR c/20043
        * c-typeck.c (composite_type): Handle quals in transparent unions.
        (type_lists_compatible_p): Likewise.

2005-02-18  Stan Shebs  <shebs@apple.com>

        * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
        expressions in the .literal8 section.

2005-02-18  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.

2005-02-18  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (constant_boolean_node): Always create values of the
        specified type, don't bother calling truthvalue_conversion.

2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>

        * except.c (output_function_exception_table): Call
        assemble_external_libcall (eh_personality_libfunc).

2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>

        PR target/19886
        * config/ia64/ia64.h (struct machine_function): Add state_num.
        * config/ia64/ia64.c (process_epilogue,
        process_for_unwind_directive): Use new unwind state numbers each
        time rather than state 1.

2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>

        PR target/20054
        * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
        before the "*llgt_didi" pattern.

2005-02-18  Jason Merrill  <jason@redhat.com>

        * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.

2005-02-18  Richard Earnshaw  <rearnsha@arm.com>

        * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
        (div0): Use it in place of ARM_FUNC_ALIAS.
        (lshrdi3, ashrdi3, ashlrdi3): Likewise.

2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/20030
        * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
        access, the lower bound of the array type if it exists.

2005-02-18  Alexandre Oliva  <aoliva@redhat.com>

        PR c++/20008
        * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
        cases that are out-of-range for the index type.

2005-02-18  James A. Morrison  <phython@gcc.gnu.org>

        * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
        (estimate_case_costs): Don't call convert.
        * expmed.c (expand_shift): Likewise.
        (make_tree): Call fold_convert instead of convert.

2005-02-18  Jakub Jelinek  <jakub@redhat.com>

        PR c++/19813
        * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
        that ref to be marked MEM_READONLY_P doesn't have base that needs
        constructing.

2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>

        * genautomata.c (output_get_cpu_unit_code_func,
        output_cpu_unit_reservation_p): Don't generate old-style function
        definitions.

2005-02-18  Jakub Jelinek  <jakub@redhat.com>

        PR c++/20023
        PR tree-optimization/20009
        * convert.c (convert_to_integer): Revert 2005-02-16 change.

        PR tree-optimization/18947
        * cgraphunit.c (cgraph_finalize_function): When redefining an extern
        inline, remove all nodes that are inlined into the extern inline
        being redefined.

2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>

        * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
        loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
        tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
        config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
        Update copyright.

2005-02-17  Roger Sayle  <roger@eyesopen.com>

        PR tree-optimization/19917
        * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
        to be potentially trapping.

2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>

        * libgcc2.c, tree-vect-analyze.c: Fix comment typos.

2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>

        * builtins.c (expand_builtin_return_addr): Remove tem parameter.
        tem becomes a local variable which is set to the value of the
        back end defined INITIAL_FRAME_ADDRESS macro.
        (expand_builtin_frame_address): Omit the base parameter to
        expand_builtin_return_addr.
        (expand_builtin_profile_func): Likewise.
        * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
        (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
        * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.

2005-02-17  Jakub Jelinek  <jakub@redhat.com>

        * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
        s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
        * config/frv/frv.c (frv_function_epilogue): Likewise.

2005-02-17  Daniel Berlin  <dberlin@dberlin.org>

        * lambda-code (perfect_nestify): Remove mark/unmark
        for rewriting hack.
        * tree-loop-linear.c (linear_transform_loops): Add
        rewrite_into_ssa call so that ssa is correct for
        rewriting into loop closed.

2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>

        * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
        * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
        BITMAP_FREE.
        * bt-load.c (btr_def_live_range, combine_btr_defs,
        migrate_btr_def, migrate_btr_defs): Likewise.
        * cfgcleanup.c (thread_jump): Likewise.
        * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
        * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
        df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
        df_rd_local_compute, df_reg_info_compute): Likewise.
        * dominance.c (init_dom_info, free_dom_info): Likewise.
        * flow.c (init_propagate_block_info,
        free_propagate_block_info): Likewise.
        * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
        * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
        modify_reg_pav): Likewise.
        * loop-invariant.c (find_defs, find_invariant_insn,
        find_invariants, free_inv_motion_data): Likewise.
        * predict.c (tree_predict_by_opcode,
        estimate_bb_frequencies): Likewise.
        * stmt.c (expand_case): Likewise.
        * tree-cfg.c (tree_duplicate_sese_region): Likewise.
        * tree-dfa.c (mark_new_vars_to_rename): Likewise.
        * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
        * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
        get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
        rewrite_ssa_into_ssa): Likewise.
        * tree-optimize.c (tree_rest_of_compilation): Likewise.
        * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
        analyze_edges_for_bb, perform_edge_inserts): Likewise.
        * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
        * tree-sra.c (tree_sra): Likewise.
        * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
        * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
        * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
        * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
        * tree-ssa-dse.c (tree_ssa_dse): Likewise.
        * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
        Likewise.
        * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
        calculate_live_on_entry, calculate_live_on_exit,
        build_tree_conflict_graph): Likewise.
        * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
        record_important_candidates, set_use_iv_cost, find_depends,
        determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
        tree_ssa_iv_optimize_finalize): Likewise.
        * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
        find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
        tree_duplicate_loop_to_header_edge): Likewise.
        * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
        * tree-ssa.c (verify_flow_insensitive_alias_info,
        verify_name_tags, verify_ssa, init_tree_ssa,
        delete_tree_ssa): Likewise.
        * tree-ssanames.c (marked_ssa_names, init_ssanames,
        fini_ssanames): Likewise.
        * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.

2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>

        * config/rs6000/t-rtems: Completely reworked.

2005-02-17  Ira Rosen  <irar@il.ibm.com>

        * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.

2005-02-17  Ira Rosen  <irar@il.ibm.com>

        * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
        POINTER_TYPE_P when checking that type is a pointer.
        (vect_get_memtag): Remove.
        (vect_address_analysis): Use POINTER_TYPE_P. Call
        vect_object_analysis with dummy parameter for memtag.
        (vect_object_analysis): Extract memtag (functionality that
        used to be in vect_get_memtag and moved here). Fix printings.
        (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
        with correct parameters. Remove call to vect_get_memtag.

2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>

        * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
        (tree-vectorizer.o): Added missing dependencies.

        * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
        decleration.
        (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
        declaration in tree-vectorizer.c, now has an extern declaration in
        tree-vectorizer.h).
        (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
        slpeel_verify_cfg_after_peeling, vect_strip_conversion,
        get_vectype_for_scalar_type, vect_is_simple_use,
        vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
        vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
        new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
        vectorizable_store, vectorizable_operation, vectorizable_assignment,
        vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
        find_loop_location): Likewise.

        * tree-vectorizer.c (langhooks.h): #include removed.
        (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
        moved to tree-vectorized.h.
        (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
        slpeel_verify_cfg_after_peeling, vect_strip_conversion,
        get_vectype_for_scalar_type, vect_is_simple_use,
        vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
        vect_supportable_dr_alignment, new_loop_vec_info,
        destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
        vect_set_verbosity_level, find_loop_location): Likewise.

        (vect_analyze_loop): Function externalized. Declaration moved to
        tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
        (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
        (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
        vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
        vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
        vect_enhance_data_refs_alignment, vect_analyze_operations,
        exist_non_indexing_operands_for_use_p, vect_mark_relevant,
        vect_stmt_relevant_p, vect_get_loop_niters,
        vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
        vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
        vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
        vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
        vect_get_memtag): Likewise.

        (vectorizable_load): Function externalized. Declaration moved to
        tree-vectorized.h. Function definition moved to tree-vect-transform.c.
        (vectorizable_store, vectorizable_operation, vectorizable_assignment,
        vect_transform_loop): Likewise.
        (vect_transform_stmt): Moved to tree-vect-transform.c.
        (vect_align_data_ref, vect_create_destination_var,
        vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
        vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
        vect_get_vec_def_for_operand, vect_init_vector,
        vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
        vect_build_loop_niters, vect_update_ivs_after_vectorizer,
        vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
        vect_update_inits_of_drs, vect_do_peeling_for_alignment,
        vect_do_peeling_for_loop_bound): Likewise.

        * tree-vect-analyze.c: New file.
        * tree-vect-transform.c: New file.

2005-02-17  Jason Merrill  <jason@redhat.com>

        PR mudflap/19319, c++/19317
        * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
        slot explicit.

2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (Specific): Update link for Darwin-specific
        tool binary site.

2005-02-16  James A. Morrison  <phython@gcc.gnu.org>

        * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
        constant_boolean_node.

2005-02-16  David Edelsohn  <edelsohn@gnu.org>

        PR target/19019
        * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
        * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.

2005-02-16  Richard Henderson  <rth@redhat.com>

        PR 19920
        * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
        with W_TYPE_SIZE.
        (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
        replace uses with Wtype_MAXp1_F.
        (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
        L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
        L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
        L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
        and HAVE_TFMODE as appropriate.
        (__fixunssfDI): Provide an implementation that doesn't need DFmode.
        (__floatdisf): Likewise.
        * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
        (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
        (Wtype_MAXp1_F): New.
        (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
        __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.

2005-02-16  Richard Earnshaw  <rearnsha@arm.com>

        * PR target/19162
        * arm.c (arm_apply_result_size): New function.
        * arm.h (APPLY_RESULT_SIZE): Define.
        * arm-protos.h (arm_apply_result_size): Add prototype.
        * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
        (movxf): New expand.
        (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
        (call_value_symbol): Remove predicate for operand 0.
        (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
        (untyped_call): Rework to correclty return values for any type.
        (untyped_return): New expand.
        * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.

2005-02-16  Stan Shebs  <shebs@apple.com>

        * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
        * config/rs6000/t-darwin8: New, for 64-bit multilib.

2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/install.texi (sparc-sun-solaris2*): Document required GMP
        configure settings on Solaris 7 and later.

2005-02-16  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/19865
        * tree-optimize.c (init_tree_optimization_passes): Run
        pass_may_alias after pass_sra.

2005-02-16  Richard Henderson  <rth@redhat.com>
            Stuart Hastings  <stuart@apple.com>

        PR debug/19521
        * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
        Do nothing if debug info suppressed for this function.
        (dbxout_begin_function): Early exit if debug info suppressed for
        this function.

2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>

        PR target/20007
        * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
        find_basic_blocks.
        * config/sh/sh.c (sh_output_mi_thunk): Likewise.

        PR tree-optimization/19967
        * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
        expand_builtin_strchr, expand_builtin_strrchr): Take a new
        argument TYPE.  Adjust calls to fold_builtin_XXX.
        (expand_builtin, fold_builtin_1): Adjust calls to
        expand_builtin_XXX.
        (fold_builtin_strchr, fold_builtin_strpbrk,
        fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
        result to a requested type TYPE.

2005-02-16  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/19857
        * fold-const.c (fold): Don't optimize (T)(x & cst) to
        (T)x & (T)cst if (T)cst overflows.
        * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
        TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.

2005-02-15  Jeff Law  <law@redhat.com>

        * gcse.c (blocks_with_calls): New bitmap.
        (alloc_gcse_mem): Allocate it.
        (free_gcse_mem): Free it.
        (clear_modifY_mem_tables): Clear it.
        (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
        when we encounter CALL_INSNs.
        (compute_transp, case MEM): Handle blocks with calls separate
        from blocks without calls.  Use bitmap iterators rather than
        FOR_EACH_BB.

2005-02-15  Peter O'Gorman  <peter@pogma.com>

        PR bootstrap/18810
        * mklibgcc.in (vis_hide): Use a temporary object file, not
        -o /dev/null.

2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>

        PR target/19924
        * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
        access optimization.

2005-02-15  David Edelsohn  <edelsohn@gnu.org>
            Alan Modra  <amodra@bigpond.net.au>

        PR target/19019
        * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
        (_xlqsub): Rename to __gcc_qsub.
        (_xlqmul): Rename to __gcc_qmul.
        (_xlqdiv): Rename to __gcc_qdiv.
        Provide versioned symbol aliases with old names.
        * config/rs6000/libgcc-ppc64.ver: Rename symbols.
        * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
        * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
        * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
        * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.

2005-02-15  James A. Morrison  <phython@gcc.gnu.org>

        * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
        Fold ~(A - 1) and ~(A + -1) to -A.

2005-02-15  James A. Morrison  <phython@gcc.gnu.org>

        PR pch/14940
        PR target/19300
        * config/host-linux.c (linux_gt_pch_use_address): Copy from
        config/pa/pa-host.c:pa_gt_pch_use_address.

2005-02-15  Daniel Berlin  <dberlin@dberlin.org>

        * tree-vn.c (get_value_handle): Make sure that given an
        is_gimple_min_invariant expression, we always return it.

2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>

        * passes.c (rest_of_handle_gcse): Fix a comment.

2005-02-15  Jeff Law  <law@redhat.com>

        * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
        bitmap.
        (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
        (canon_list_insert, record_last_mem_set_info): Similarly.
        (clear_modify_mem_tables): Similarly.

2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>

        * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
        tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
        config/mips/mips.md, config/rs6000/aix.h,
        config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.

2005-02-15  Richard Henderson  <rth@redhat.com>

        * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
        call to be best_edge.

2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>

        * basic-block.h: Adjust the prototype for find_basic_blocks.
        * cfgbuild.c (find_basic_blocks): Remove unused arguments.
        * passes.c (rest_of_handle_loop_optimize): Adjust the call to
        find_basic_blocks.

        * flow.c (recompute_reg_usage): Remove all arguments.
        * passes.c (rest_of_compilation): Adjust the call to
        recompute_reg_usage.
        * rtl.h: Adjust the prototype for recompute_reg_usage.

2005-02-14  Daniel Berlin  <dberlin@dberlin.org>

        * tree-dump.c (dump_files): Update to reflect new member
        of dump_file_info.
        (dump_register): Add new argument.
        Set glob name.
        (dump_switch_p_1): Check against glob name if doglob was passed.
        (dump_switch_p): Check against regular first, then glob if
        we didn't have any hits on the dump name.
        * tree-optimize.c (register_one_dump_file):
        Pass in glob name as well.
        * tree-pass.h (struct dump_file_info): Add glob
        member.

2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>

        PR preprocessor/16323
        * doc/invoke.texi: Document that -Wendif-labels is on by default.

2005-02-14  David Edelsohn  <edelsohn@gnu.org>

        PR target/19019
        * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
        (trunctfdf2_internal1): New.
        (trunctfdf2_internal2): Renamed from trunctfdf2.

2005-02-14  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/19853
        * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.

2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>

        * passes.c (rest_of_handle_loop_optimize): Remove calls to
        delete_dead_jumptables and cleanup_cfg.

2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>

        * reload.c (find_reloads): Swap address_reloaded flags when
        swapping commutative operands.

2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>

        * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
        Use standard_iv_increment_position for computing the bsi position
        for create_iv.
        * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
        the bsi position.

2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>

        PR target/17428
        * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
        life range of hard registers.
        * value-prof.c (insn_prefetch_values_to_profile): Only
        scan normal insns.

        * value-prof.c (rtl_find_values_to_profile): Do not look for values to
        profile in libcalls.

2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>

        * bitmap.h (bitmap_and_compl_into): Return bool.
        * bitmap.c (bitmap_and_compl_into): Return changed flag.

2005-02-13  James A. Morrison  <phython@gcc.gnu.org>

        PR tree-optimization/19944
        * fold-const.c (fold): Re-add ABS_EXPR folding.

2005-02-13  David Edelsohn  <edelsohn@gnu.org>

        PR target/19019
        * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
        {TARGET,MASK}_XL_COMPAT.
        (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
        MASK_XL_COMPAT.
        * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
        * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
        TARGET_XL_COMPAT.
        (rs6000_arg_partial_bytes): Same.
        (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
        and XL compatibility enabled.
        * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
        * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
        test to final condition.
        (cmptf_internal2): New.
        * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
        xl-compat.  Add TFmode information to description.

2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>

        * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.

2005-02-13  Jason Merrill  <jason@redhat.com>

        PR c++/16405
        * fold-const.c (fold_indirect_ref_1): Split out from...
        (build_fold_indirect_ref): Here.
        (fold_indirect_ref): New fn.
        * tree.h: Declare it.
        * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
        (gimplify_modify_expr_rhs): Likewise.
        (gimplify_expr): Likewise.

2005-02-13  James A. Morrison  <phython@gcc.gnu.org>

        PR tree-optimization/14303
        PR tree-optimization/15784
        * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
        Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
        ABS_EXPR<x> != 0 to x != 0.

2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>

        * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
        simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
        spelling conventions.

        * passes.c (rest_of_handle_gcse): Don't run cse_main and
        delete_trivially_dead_insns too many times.

        * passes.c (rest_of_handle_gcse): Remove dead assignments to
        tem and tem2.

2005-02-12  Ira Rosen  <irar@il.ibm.com>

        * tree-vectorizer.c (vect_get_base_and_offset): Remove.
        (vect_is_simple_iv_evolution): Remove redundant parameter
        and step check.
        (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
        without last parameter.
        (vect_analyze_pointer_ref_access): Get access_fn as parameter.
        Return pointer step. Call vect_is_simple_iv_evolution without
        last parameter. Check only that the step is multiple of size
        type. Remove stmt_vinfo updates.
        (vect_get_memtag_and_dr): Remove.
        (vect_get_memtag): New function.
        (vect_address_analysis): New function.
        (vect_object_analysis): New function.
        (vect_analyze_data_refs): Call vect_object_analysis and
        vect_get_memtag. Update stmt_vinfo fields.

2005-02-12  Ira Rosen  <irar@il.ibm.com>

        * tree-data-ref.c (array_base_name_differ_p): Check that the bases
        exist and are objects. Remove checks for pointer.
        * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
        STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
        (vect_create_data_ref_ptr): Likewise.
        (vect_base_addr_differ_p): New function.
        (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
        (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
        Don't set the DR_BASE_NAME field of data-ref.
        (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.

2005-02-12  Uros Bizjak  <uros@kss-loka.si>

        * optabs.h (enum optab_index): Add new OTI_ldexp.
        (ldexp_optab): Define corresponding macro.
        * optabs.c (init_optabs): Initialize ldexp_optab.
        * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
        patterns.
        * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
        using ldexp_optab.
        (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
        expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.

        * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
        to implement ldexpf, ldexp and ldexpl built-ins as inline x87
        intrinsics.

2005-02-12  Ira Rosen  <irar@il.ibm.com>

        * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
        to base_address.
        * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
        stmt_vec_info.
        (vect_get_base_and_offset): Always return an address.
        (vect_create_addr_base_for_vector_ref): Remove treatment for
        different data reference types.
        (vect_compute_data_ref_alignment): Rename base to base_address in
        stmt_vec_info. Get the object in order to force its alignment.
        (vect_get_memtag_and_dr): Rename base to base_address in
        stmt_vec_info. Extract the object for memtag analysis.

2005-02-12  Hans-Peter Nilsson  <hp@axis.com>

        PR regression/19898.
        * config/cris/cris.c (cris_notice_update_cc): When testing if insn
        changes cc_status, use apply modified_in_p to part of cc_status
        and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
        body.

2005-02-11  Richard Henderson  <rth@redhat.com>

        * tree-complex.c (expand_complex_libcall): New.
        (expand_complex_multiplication): Use it for c99 compliance.
        (expand_complex_division): Likewise.
        * fold-const.c (fold_complex_add, fold_complex_mult): New.
        (fold): Call them.
        * builtins.c (built_in_names): Remove const.
        * tree.c (build_common_builtin_nodes): Build complex arithmetic
        builtins.
        * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
        (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
        (built_in_names): Remove const.
        * c-common.c (c_common_type_for_mode): Handle complex modes.
        * flags.h, toplev.c (flag_complex_method): Rename from
        flag_complex_divide_method.
        * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
        __mulsc3, __muldc3, __mulxc3, __multc3): New.
        * libgcc2.h: Declare them.
        * libgcc-std.ver: Export them.
        * mklibgcc.in (lib2funcs): Build them.

2005-02-11  Steven Bosscher  <stevenb@suse.de>

        PR tree-optimization/19876
        Partially revert my change from 2005-01-14
        * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
        (compute_antic): ...and remove the loop here.

2005-02-11  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/19858
        * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
        is number of inner's bits, avoid creating a BIT_FIELD_REF.

        * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
        crtend.o if -pie.  Use %{x:a;:b} spec syntax.

2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
        offsets for the big-endian 32-bit case.

2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>

        * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.

2005-02-11  Dale Johannesen  <dalej@apple.com>

        * cselib.c (cselib_process_insn):  Clear out regs where
        HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
        * reload.c (find_equiv_reg): Ditto.

2005-02-11  Ian Lance Taylor  <ian@airs.com>

        * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
        with no elements.

        * tree.c (build_function_type_list): Work correctly if there are
        no arguments.

2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
        "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
        ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
        TARGET_ZARCH instead of TARGET_64BIT.

2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>

        * config/rs6000/t-rtems:
        (MULTILIB_OPTIONS): Remove mcpu=602.
        (MUTLILIB_DIRNAMES): Remove m602.
        (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
        Let mcpu=602 match mcpu=603.
        (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.

2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
        signal trampolines.

2005-02-10  David Daney  <ddaney@avtrex.com>

        * config/alpha/linux-unwind.h: Add exception clause to copyright.
        * config/i386/linux-unwind.h: Likewise.
        * config/ia64/linux-unwind.h: Likewise.
        * config/mips/linux-unwind.h: Likewise.
        * config/pa/linux-unwind.h: Likewise.
        * config/rs6000/linux-unwind.h: Likewise.
        * config/s390/linux-unwind.h: Likewise.
        * config/sh/linux-unwind.h: Likewise.
        * config/sparc/linux-unwind.h: Likewise.

2005-02-10  Steven Bosscher  <stevenb@suse.de>

        PR tree-optimization/17549
        * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
        TER to replace a DEF with its expression if the DEF and the
        rhs of the expression we replace into have the same root
        variable.

2005-02-10  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md: Fix the placement of the match_scratch in the
        lea64 peephole2.

2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>

        * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
        Fix comment typos.

2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
        (strip_offset): Handle addresses.
        (add_address_candidates): Use strip_offset.
        (difference_cost): Reflect strip_offset change.
        (force_var_cost, difference_cost): Strip nops.

2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>

        * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.

        * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
        tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
        config/cris/cris-protos.h, config/cris/cris.c: Update
        copyright.

2005-02-10  Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
        (lookup_avail_expr): Similarly.

2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>

        * builtins.c (fold_builtin_powi): New function.
        (fold_builtin_1): Call it.

2005-02-10  Steven Bosscher  <stevenb@suse.de>

        PR documentation/19309
        * doc/cpp.texi: The __GNUC__ and related predefined macros
        are also defined for the "standalone" cpp.
        Some non-GCC compilers may also define __GNUC__.

2005-02-10  Jakub Jelinek  <jakub@redhat.com>

        PR c/19342
        * c-typeck.c (common_type): New routine.  Old common_type renamed
        to...
        (c_common_type): ...this.
        (build_conditional_expr, build_binary_op): Use c_common_type instead
        of common_type.

2005-02-10  Steven Bosscher  <stevenb@suse.de>

        * doc/md.texi: Replace @samp{length} with @code{length}.

2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/18687
        * tree-flow.h (find_loop_niter): Declare.
        * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
        Try using scev even for loops with more than one exit.
        * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
        (struct ivopts_data): Added niters field.
        (struct nfe_cache_elt): New.
        (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
        functions.
        (tree_ssa_iv_optimize_init): Initialize niters cache.
        (determine_number_of_iterations): Removed.
        (find_induction_variables): Do not call determine_number_of_iterations.
        Access niters for single exit through niter_for_single_dom_exit.
        (add_iv_outer_candidates): Access niters for single exit through
        niter_for_single_dom_exit.
        (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
        number_of_iterations_cond.
        (iv_period): New function.
        (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
        (may_replace_final_value): Take data argument.  Use
        niter_for_single_dom_exit.
        (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
        (rewrite_use_compare): Pass data to may_eliminate_iv.
        (rewrite_use_outer): Pass data to may_replace_final_value.
        (free_loop_data): Clean up the niters cache.
        (tree_ssa_iv_optimize_finalize): Free the niters cache.
        (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
        * tree-ssa-loop-niter.c (find_loop_niter): New function.
        (find_loop_niter_by_eval): Use tree_int_cst_lt.
        (num_ending_zeros): Moved to tree.c.
        * tree.h (num_ending_zeros): Declare.
        * tree.c (num_ending_zeros): Moved from tree.c.

2005-02-09  Richard Henderson  <rth@redhat.com>

        * builtins.c (DEF_BUILTIN): Add COND argument.
        * tree.h (DEF_BUILTIN): Likewise.
        * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
        DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
        match.
        (DEF_BUILTIN_STUB): New.
        (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
        BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
        BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
        * c-common.c (DEF_BUILTIN): Add COND argument.
        * tree.c (local_define_builtin): New.
        (build_common_builtin_nodes): New.

2005-02-09  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold_strip_sign_ops): New function to simplify a
        floating point expression ignoring the sign of the result.
        (fold) <ABS_EXPR>: Use it to simplify fabs(x).
        (fold) <MULT_EXPR>: Use it to simplify x*x.
        * tree.h (fold_strip_sign_ops): Prototype here.
        * builtins.c (fold_builtin_copysign): Take an additional FNDECL
        argument.  Use fold_strip_sign_ops to simplify the first argument.
        (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
        first argument when the second argument is an even integer
        constant, but only with -funsafe_math_optimizations.
        (fold_builtin_1): Update call to fold_builtin_copysign.

2005-02-09  Ian Lance Taylor  <ian@airs.com>

        PR middle-end/19583
        * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
        just check whether EH_FILTER_FAILURE falls through.

2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>

        * gcc/haifa-sched.c (schedule_block): Make queued sched group
        insns return to ready list in the next turn.

2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>

        PR middle-end/19402
        * builtins.def: New __builtin_powi[lf].
        * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
        (expand_builtin_powi): New function.
        (expand_builtin): Dispatch to expand_builtin_powi.
        * libgcc2.h: Add prototypes for __builtin_powi[lf].
        * libgcc2.c: Add __builtin_powi[lf] implementation.
        * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
        * optabs.h: Add powi_optab.
        * optabs.c (init_optabs): Initialize powi_optab.
        * doc/extend.texi: Document __builtin_powi[lf].

2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>

        * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
        exists.

2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>

        PR middle-end/19854
        * fold-const.c (try_move_mult_to_index): Remove redundant
        type argument.  Create ADDR_EXPR with correct type.
        (fold): Update callers of try_move_mult_to_index.  Convert
        result to the appropriate type.

2005-02-09  Roger Sayle  <roger@eyesopen.com>

        PR target/19597
        * config/avr/avr.c (default_rtx_costs): Delete.
        (avr_operand_rtx_cost): New function.
        (avr_rtx_costs): Completely rewrite.

2005-02-08  Hans-Peter Nilsson  <hp@axis.com>

        PR target/19806
        * config/cris/cris.c (in_code): New variable.
        (cris_output_addr_const): Now a static function, a wrapper for
        output_addr_const.
        (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
        case from old cris_output_addr_const.
        (cris_asm_output_label_ref): Similar for LABEL_REF.
        (cris_output_addr_const_extra): Similar for UNSPEC.
        * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
        (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
        * config/cris/cris-protos.h (cris_output_addr_const): Remove
        declaration.
        (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
        (cris_asm_output_label_ref): Declare.

2005-02-08  Paolo Bonzini  <bonzini@gnu.org>

        PR preprocessor/19801
        * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
        filenames that changed when libcpp was moved to the toplevel.

2005-02-07  Roger Sayle  <roger@eyesopen.com>

        * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
        zero extensions of BImode operands.  Call lowpart_subreg instead
        of gen_lowpart_common and gen_lowpart_SUBREG.

2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>

        PR ada/19489
        * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
        * configure.ac: Set cc_for_cross_gnattools.
        * configure: Regenerate.

2005-02-08  Alan Modra  <amodra@bigpond.net.au>

        PR target/19803
        * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.

2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR debug/19327
        * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
        of nested functions.

2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>

        * doc/extend.texi: Document deprecated extensions allowing
        static floating-point members to have initializers and allowing
        floating-point literals in integral constant expressions.

2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>

        * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
        config/darwin7.h, config/mips/mips.c,
        config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
        Update copyright.

        * cse.c: Update comments.

2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>

        PR middle-end/19775
        * builtins.c (fold_builtin_sqrt): Transform
        sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
        pow(x,y*0.5).

2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
            Dorit Naishlos  <dorit@il.ibm.com>

        * doc/invoke.texi (ftree-vectorizer-verbose): New.
        * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
        * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
        was added.
        * tree.h (vect_set_verbosity_level): New extern function declaration
        added.
        * tree-vectorizer.h (verbosity_levels): New enum type.
        * tree-vectorizer.c (vect_debug_stats): Function removed.
        (vect_debug_details): Likewise.
        (vect_verbosity_level): Global variable was defined and initialized.
        (vect_dump): Global variable definition.
        (vect_print_dump_info): New function.
        (vect_set_dump_settings): New function.
        (vect_set_verbosity_level): New function.
        (vectorize_loops): Add call to vect_set_dump_settings.

        (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
        (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
        (slpeel_tree_peel_loop_to_edge): Likewise.

        (vect_analyze_offset_expr): Call to vect_print_dump_info with
        appropriate verbosity level instead of call to vect_debug_details
        or vect_debug_stats.
        (vect_get_base_and_offset):
        (vect_create_addr_base_for_vector_ref):
        (get_vectype_for_scalar_type):
        (vect_create_data_ref_ptr):
        (vect_init_vector):
        (vect_get_vec_def_for_operand):
        (vect_finish_stmt_generation):
        (vectorizable_assignment):
        (vectorizable_operation):
        (vectorizable_store):
        (vectorizable_load):
        (vect_transform_stmt):
        (vect_update_ivs_after_vectorizer):
        (vect_do_peeling_for_loop_bound):
        (vect_update_inits_of_drs):
        (vect_do_peeling_for_alignment):
        (vect_transform_loop):
        (vect_is_simple_use):
        (vect_analyze_operations):
        (vect_is_simple_iv_evolution):
        (vect_analyze_scalar_cycles):
        (vect_analyze_data_ref_dependence):
        (vect_analyze_data_ref_dependences):
        (vect_compute_data_ref_alignment):
        (vect_enhance_data_refs_alignment):
        (vect_analyze_data_refs_alignment):
        (vect_analyze_data_ref_access):
        (vect_analyze_data_ref_accesses):
        (vect_analyze_pointer_ref_access):
        (vect_get_memtag_and_dr):
        (vect_analyze_data_refs):
        (vect_mark_relevant):
        (vect_stmt_relevant_p):
        (vect_mark_stmts_to_be_vectorized):
        (vect_can_advance_ivs_p):
        (vect_get_loop_niters):
        (vect_analyze_loop_form):
        (vect_analyze_loop):
        (vectorize_loops): Likewise.

        (vect_do_peeling_for_loop_bound): Dump format slightly changed.
        (vect_update_inits_of_drs):
        (vect_do_peeling_for_alignment):
        (vect_transform_loop):
        (vect_analyze_operations):
        (vect_analyze_scalar_cycles):
        (vect_analyze_data_ref_dependences):
        (vect_analyze_data_refs_alignment):
        (vect_analyze_data_ref_accesses):
        (vect_analyze_data_refs):
        (vect_mark_stmts_to_be_vectorized):
        (vect_get_loop_niters):
        (vect_analyze_loop_form):
        (vect_analyze_loop): Likewise.
        (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.

2005-02-07  Richard Sandiford  <rsandifo@redhat.com>

        PR bootstrap/19796
        Revert:
        2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
        * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
        either -ffast-math or -funsafe-math-optimizations is in use.

        2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
        * config/mips/irix-csr.c: New file.
        * config/mips/t-iris6 (irix-csr.o): New rule to build it.
        (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
        * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
        executables.

2005-02-07  Alexandre Oliva  <aoliva@redhat.com>

        * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
        redundant, incorrect definitions.

        * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
        expand.
        ("*tls_indirect_call"): New, reference hard regs directly.
        * config/frv/frv.c (gen_inlined_tls_plt): Adjust.

2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>

        * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
        Let !-mhard-float !-msoft-float imply -mfpu=softfpa.

2005-02-06  Roger Sayle  <roger@eyesopen.com>

        PR rtl-optimization/19800
        * simplify_rtx.c (simplify_relational_operation_1): Explicitly
        call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
        gen_lowpart.

2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>

        * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.

2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>

        PR other/17135
        * doc/invoke.texi: Correct documentation of -freorder-functions.

2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>

        PR other/14402
        * doc/invoke.texi: Don't mention gccbug.

2005-02-06  Roger Sayle  <roger@eyesopen.com>
            Andrew Pinski  <pinskia@physics.uc.edu>
            Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>

        * simplify-rtx.c (simplify_relational_operation_1): Simplify
        (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
        into just (zero_extract:SI FOO (const_int 1) BAR).

2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>

        * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
        macro locally.  Don't give last revision date.  Use GCC version
        number from gcc-common.texi.
        * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
        revision date.  Use GCC version number from gcc-common.texi.
        Describe being a library as current state rather than as 3.x
        history.
        * doc/gcc.texi: Remove last update date.
        * doc/gccint.texi: Likewise.  Update copyright dates.
        * doc/install.texi: Update copyright dates.

2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>

        PR other/7549
        * doc/invoke.texi: Mention for each option included in -Wall that
        it is included in -Wall.
        * doc/gcc.texi: Update copyright and last modification date.

2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
        unnecessary cast to original induction variable increments.

2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/18219
        * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
        in distributed form.

2005-02-06  Richard Sandiford  <rsandifo@redhat.com>

        * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
        Set bitpos and offset later in the function.  Do nothing if the
        target is a register and if the bitfield lies completely outside
        that register.
        (extract_bit_field): Make the same SUBREG, bitpos and offset changes
        here.  Return an uninitialised register if the source value is stored
        in a register and the bitfield lies completely outside that register.

2005-02-06  Steven Bosscher  <stevenb@suse.de>

        * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
        not SET_DEST.

2005-02-06  Marcin Dalecki  <martin@dalecki.de>

        * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.

2005-02-06  Geoffrey Keating  <geoffk@apple.com>

        * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
        * config/darwin8.h: New.
        * config/darwin7.h: Update comment.

2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
            Dorit Naishlos  <dorit@il.ibm.com>

        * tree-vectorizer.h (LOC): New type.
        (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
        (loop_line_number): New field in struct _loop_vec_info.
        (LOOP_VINFO_LOC, LOOP_LOC): New macros.

        * tree-vectorizer.c (input.h): Included.
        (find_loop_location): New function.
        (vect_debug_stats): Argument changed from loop to LOC. Computation of
        loop line number removed.
        (vect_debug_details): Likewise.
        (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.

        (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
        call to vect_debug_details/stats changed from loop to loop_loc.
        (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
        (slpeel_tree_peel_loop_to_edge): Likewise.

        (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
        changed from NULL to UNKNOWN_LOC.
        (vect_get_base_and_offset):
        (vect_create_addr_base_for_vector_ref):
        (get_vectype_for_scalar_type):
        (vect_create_data_ref_ptr):
        (vect_init_vector):
        (vect_get_vec_def_for_operand):
        (vect_finish_stmt_generation):
        (vectorizable_assignment):
        (vectorizable_operation):
        (vectorizable_store):
        (vectorizable_load):
        (vect_transform_stmt):
        (vect_update_ivs_after_vectorizer):
        (vect_do_peeling_for_loop_bound):
        (vect_do_peeling_for_alignment):
        (vect_transform_loop):
        (vect_is_simple_use):
        (vect_analyze_operations):
        (vect_is_simple_iv_evolution):
        (vect_analyze_scalar_cycles):
        (vect_analyze_data_ref_dependences):
        (vect_compute_data_ref_alignment):
        (vect_enhance_data_refs_alignment):
        (vect_analyze_data_ref_access):
        (vect_analyze_data_ref_accesses):
        (vect_analyze_pointer_ref_access):
        (vect_get_memtag_and_dr):
        (vect_analyze_data_refs):
        (vect_mark_relevant):
        (vect_stmt_relevant_p):
        (vect_mark_stmts_to_be_vectorized):
        (vect_can_advance_ivs_p):
        (vect_get_loop_niters):
        (vect_analyze_loop):
        (vectorize_loops): Likewise.

        (vectorizable_load): Argument in call to vect_debug_details/stats
        changed from loop to LOOP_LOC (loop_vinfo).
        (vect_transform_loop):
        (vect_analyze_operations):
        (vect_analyze_scalar_cycles):
        (vect_analyze_data_ref_dependence):
        (vect_enhance_data_refs_alignment):
        (vect_analyze_data_ref_accesses):
        (vect_analyze_pointer_ref_access):
        (vect_analyze_data_refs):
        (vect_analyze_loop): Likewise.

        (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
        changed from loop to loop_loc.

        (vect_enhance_data_refs_alignment): Removed unused variable loop.

2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
            Dorit Naishlos  <dorit@il.ibm.com>

        * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
        declaration added.
        (vect_analyze_data_ref_dependences): Likewise.

        (vect_is_simple_use): Argument changed from loop structure to
        loop_vect_info structure.
        (vect_can_advance_ivs_p): Likewise.
        (vect_create_index_for_vector_ref): Likewise.
        (vect_update_ivs_after_vectorizer): Likewise.
        (new_stmt_vec_info): Likewise.

        (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
        changed from loop to loop_vinfo.
        (vect_create_data_ref_ptr): First argument in call to
        vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
        (vectorizable_assignment): Second argument in call to vect_is_simple_use
        was changed from loop to loop_vinfo.
        (vectorizable_operation): Likewise.
        (vectorizable_store): Likewise.
        (vect_mark_stmts_to_be_vectorized): Likewise.
        (vect_do_peeling_for_loop_bound): First argument in call to
        vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
        (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
        was changed from loop to loop_vinfo.
        (vect_analyze_data_ref_dependences): Third argument in call to
        vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.

        (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
        (vect_create_data_ref_ptr): Likewise.
        (vect_init_vector): Likewise.
        (vect_get_vec_def_for_operand): Likewise.
        (vectorizable_assignment): Likewise.
        (vectorizable_operation): Likewise.
        (vectorizable_store): Likewise.
        (vectorizable_load): Likewise.
        (vect_update_ivs_after_vectorizer): Likewise.
        (vect_is_simple_use): Likewise.
        (vect_analyze_data_ref_dependence): Likewise.
        (vect_analyze_pointer_ref_access): Likewise.
        (vect_can_advance_ivs_p): Likewise.

        * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
        before _stmt_vec_info.
        (_stmt_vec_info): Loop field replaced by loop_vec_info.
        (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
        (new_stmt_vec_info): Argument changed from loop structure to
        loop_vect_info structure

        (vect_analyze_data_ref_dependences): Unnecessary line was removed.
        (vect_analyze_offset_expr): Avoid 80 columns overflow.
        (vect_create_addr_base_for_vector_ref): Likewise.
        (vect_analyze_pointer_ref_access): Likewise.

2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/19768
        * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
        phi flag if the phi is abnormal.

2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/19736
        * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
        information for the new statement.

2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>

        PR driver/19117
        * gcc.c (main): Include the target in -v output.

2005-02-03  Alexandre Oliva  <aoliva@redhat.com>

        * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
        Do not drop the extend if we'd have to add a paradoxical subreg
        later.  Include optabs.h and insn-codes.h.
        * Makefile.in (combine.o): Depend on $(OPTABS_H).

2005-02-02  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/19405
        * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
        * fold-const.c (const_binop): Avoid constant folding floating
        point operations in modes that use composite representations.
        * simplify-rtx.c (simplify_binary_operation): Likewise.

2005-02-02  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/altivec.md (altivec_dst): Make the first operand
        a REG, not a MEM.
        (altivec_dstt): Likewise.
        (altivec_dstst): Likewise.
        (altivec_dststt): Likewise.
        * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
        of first operand.

2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>

        * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
        EXPR_LOCUS from orig_cond to the new cond_stmt.
        (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
        the new vec_stmt.

2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>

        * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
        standard_iv_increment_position. Remove call to bsi_next
        (no need to bump the iterator anymore).
        (vect_create_index_for_vector_ref): Call
        standard_iv_increment_position. Remove second function argument.
        (vect_finish_stmt_generation): Remove call to bsi_next
        (no need to bump the iterator anymore).
        (vect_create_data_ref_ptr): Remove second argument (bsi) in call
        to vect_create_index_for_vector_ref.

2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>

        * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
        phis are used out of the loop.

2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/17807
        * c-decl.c (undef_nested_function): New variable.
        (pop_scope): Diagnose undefined nested functions.
        (finish_function): Don't attempt cgraph processing or genericizing
        if current top-level function contained an undefined nested
        function.  Reset undef_nested_function at the end of a top-level
        function.

2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree.c (build_int_cst_type): Take sign of the value into account
        when deciding whether sign extend the value.

2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/18502
        * gcc.c (cpp_unique_options): Remove %{trigraphs}.
        (cpp_options, cc1_options): Change %{std*&ansi} to
        %{std*&ansi&trigraphs}.

2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>

        * cse.c: Update comments.

2005-02-02  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
        arguments go on the stack.  Do not put complex doubles in odd/even
        pairs.

2005-02-02  Steven Bosscher  <stevenb@suse.de>

        * doc/invoke.texi: Update the options enabled at -O1, -O2,
        and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
        -ftree-pre, and -fthread-jumps.

2005-02-02  Richard Sandiford  <rsandifo@redhat.com>

        PR tree-optimization/19578
        * tree-flow.h (modified_noreturn_calls): Declare.
        (noreturn_call_p): Declare.
        * tree-flow-inline.h (noreturn_call_p): New function.
        (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
        * tree-cfg.c (modified_noreturn_calls): New variable.
        (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
        that contain a mid-block noreturn call.
        * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.

2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>

        * df.c (df_def_record_1, df_uses_record): Don't use
        DF_FOR_REGALLOC.
        * df.h (DF_FOR_REGALLOC): Remove.

2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/19435
        * c-typeck.c (really_start_incremental_init): Reset
        constructor_max_index for arrays of incomplete type.

2005-02-02  Jeff Law  <law@redhat.com>

        * gcse.c (struct reg_set): Store the block index where the register
        was set rather than the setting insn.
        (record_one_set, compute_transp): Corresponding changes.
        (pre_insert_copy_insn): Do not call replace_one_set.
        (replace_one_set): Remove.

2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>

        PR other/15514
        * doc/gcov.texi: Fix typo.

2005-02-01  Richard Henderson  <rth@redhat.com

        PR target/19680
        * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
        * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
        type to bool.
        (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
        * config/i386/i386-protos.h: Update.

2005-02-01  Steven Bosscher  <stevenb@suse.de>

        PR tree-optimization/19217
        * tree-cfg.c (verify_expr): Use the data field to see if TP was
        seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
        (verify_stmts): Pass (void*)1 as data to verify_expr to signal
        that it is walking a PHI node.

2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>

        * doc/extend.texi (Nested Functions): Update.

2005-02-01  Richard Henderson  <rth@redhat.com>

        PR 19696
        * optabs.c (expand_copysign_absneg): Export.
        * optabs.h (expand_copysign_absneg): Declare.
        * config/rs6000/rs6000.md (copysigntf3): New.

2005-02-01  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/19633
        * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
        * tree-ssa-alias.c (init_alias_info): Initialize.
        (merge_pointed_to_info): Set.
        (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
        (dump_points_to_info_for): Show value of pt_null.
        (struct count_ptr_d): Declare.
        (find_ptr_dereference): Remove.
        (ptr_is_dereferenced_by): Remove.
        (count_ptr_derefs): New local function.
        (count_uses_and_derefs): New local function.
        (compute_points_to_and_addr_escape): Call it.  If the number
        of dereferences is greater than zero, mark the pointer as
        dereferenced.  If there are fewer dereferences than uses of
        the pointer, the pointer's value escapes.

2005-02-01  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/19670
        * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
        here...
        (verify_use): ... set it here, instead.

2005-02-01  Janis Johnson  <janis187@us.ibm.com>

        * doc/sourcebuild.texi (Test directives): Fix formatting.

        * doc/sourcebuild.texi (Test directives): Describe selector
        expressions.

2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>

        * config.gcc (powerpc64-*-linux*): Default to -m64 also for
        specific 64-bit CPUs.

2005-02-01  Richard Earnshaw  <rearnsha@arm.com>

        PR target/16201
        * arm.c (arm_eliminable_register): New function.
        (adjacent_mem_locations): Don't allow eliminable registers.  Use
        HOST_WIDE_INT for address offsets.
        * arm-protos.h (arm_eliminable_register): Add prototype.

2005-02-01  Steven Bosscher  <stevenb@suse.de>

        PR optimization/15242
        * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
        * basic-block.h (duplicate_computed_gotos): Add prototype.
        * bb-reorder.c (duplicate_computed_gotos): New function to
        duplicate sufficiently small blocks ending in a computed jump.
        * passes.c (rest_of_compilation): Call duplicate_computed_gotos
        if not optimizing for size.
        * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
        never do tail merging for blocks ending in a computed jump.
        * doc/invoke.texi: Document the max-goto-duplication-insns param.

2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>

        Patch from Richard Sandiford <rsandifo@redhat.com>
        * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
        from inheriting a subreg equivalence with a non-spill register.

        * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.

2005-02-01  Alexandre Oliva  <aoliva@redhat.com>

        * config/frv/frv.c (movcc_fp_destination_operand): New.
        (gpr_or_memory_operand): Fix typo in comment.
        (gpr_or_memory_operand_with_scratch): New.
        * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
        * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
        movcc_fp_destination_operand.
        (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
        Legitimize memory addresses using a scratch register.

2005-01-31  Jeff Law  <law@redhat.com>

        * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
        bitmap a sparse bitmap instead of a simple bitmap.
        (mark_def_sites_initialize_block):  Corresponding changes.
        (ssa_mark_def_sites_initialize_block): Likewise.
        (ssa_mark_phi_uses): Likewise.
        (mark_def_site, ssa_mark_def_sites): Likewise.
        (mark_def_site_blocks): Likewise.
        (rewrite_ssa_into_ssa): Likewise.

        * tree-ssa-dom.c (record_cond): Pass correct variable type
        for last argument to htab_find_slot_with_hash.

        * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
        effects when optimizing 0 % X.  Do not try to optimize X % 0.

2005-01-31  James E. Wilson  <wilson@specifixinc.com>

        * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
        1_mmalua.

2005-02-01  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips.c (override_options): Warn if -mint64
        is used.
        * doc/invoke.texi (MIPS Options): Document that -mint64 is
        deprecated.

2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>

        * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
        timestamp.
        (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
        REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
        cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
        (cached_regno): Initialize to INVALID_REGNUM.
        (cse_reg_info_table_size,
        cse_reg_info_table_first_uninitialized,
        cse_reg_info_timestamp): New.
        (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
        get_cse_reg_info.
        (init_cse_reg_info, get_cse_reg_info_1): New.
        (get_cse_reg_info): Cache the last look-up.
        (new_basic_block): Update the code to clear mappings from
        registers to cse_reg_info entries.
        (cse_main): Call init_cse_reg_info.

        * cse.c (get_cse_reg_info): Update a comment.

2005-01-31  Steven Bosscher  <stevenb@suse.de>

        PR c/19333
        * c-decl.c (start_decl): Do not warn about arrays of elements with
        an incomplete type here.
        (grokdeclarator): Do it here by making a pedwarn an error.
        * c-typeck.c (push_init_level): If there were previous errors with
        the constructor type, do not warn about braces for initializers.
        (process_init_element): Likewise for excess initializer elements.

2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>

        * cse.c (delete_trivially_dead_insn): Don't iterate.

2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/rs6000/rs6000.md (copysignsf3): New expand.
        (copysigndf3): Likewise.

2005-01-31  Steven Bosscher  <stevenb@suse.de>

        * recog.c (constrain_operands): Only look for earlyclobber operand
        conflicts if an '&' constraint was seen.

2005-01-31  Marc Espie <espie@openbsd.org>

        * config.gcc: Don't include embedded systems fragment, switches default
        debugging format to ELF.
        * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
        longer pick it up there.

2005-01-31  Dale Johannesen  <dalej@apple.com>

        * doc/extend.texi (nested functions): Fix linkage description.
        Clarify that static is not allowed.

2005-01-31  Dale Johannesen  <dalej@apple.com>

        * config/rs6000/darwin.md (movsf_low_di):  Make work.
        (movdf_low_di):  Make work.

2005-01-31  Dale Johannesen  <dalej@apple.com>

        * config/rs6000/darwin-tramp.asm (__trampoline_setup):
        Make work for 64 bit.

2005-01-31  Roger Sayle  <roger@eyesopen.com>
            Dale Johannesen  <dalej@apple.com>

        PR middle-end/19650
        * fold-const.c (fold_binary_op_with_conditional_arg):
        Make types match original operands, before STRIP_NOPS.

2005-01-31  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
        (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
        (struct gcc_sigcontext): Delete.  Merge contents to..
        (struct gcc_ucontext): ..here.
        (get_sigcontext): Delete.
        (get_regs): New function, like get_sigcontext but return regs ptr.
        64-bit version finds regs from r1 to support vdso.
        (ppc_linux_aux_vector): New function.
        (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
        and vector regs.

2005-01-31  Ira Rosen  <irar@il.ibm.com>

        * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
        sizetype.
        (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
        redundant fold. Fix misalignment for MINUS_EXPR.
        (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
        (vect_analyze_pointer_ref_access): Likewise.
        (vect_get_memtag_and_dr): Likewise.

2005-01-31  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
        (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
        absnegdf2_i387, absnegxf2_i387): Likewise.

2005-01-31  Richard Henderson  <rth@redhat.com>

        PR 19696
        * optabs.c (expand_copysign_absneg): New.
        (expand_copysign_bit): Split out from ...
        (expand_copysign): ... here.  Use expand_copysign_absneg.

2005-01-30  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/19697
        * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
        constant as the second operand and a register as the third.

2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>

        PR target/19704
        * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
        that dllimport'd functions do not use all call-clobbered registers
        to pass parameters.

2005-01-30  Richard Henderson  <rth@redhat.com>

        PR 19696
        * optabs.c (expand_absneg_bit): Split out from expand_unop and
        expand_abs_nojump and generalize.  Use operand_subword and
        emit_no_conflict_block.  Support large modes.
        (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
        back to maximum.
        (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
        negation to subtraction.
        (expand_copysign): Check that the format has signed zeros.
        Use operand_subword and emit_no_conflict_block.  Support large modes.

2005-01-30  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/19624

        * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
        * tree-ssa-pre.c: Add cfgloop.h.
        Update comment.
        (pre_stats): New member, constified.
        (inserted_exprs): New static variable.
        (NECESSARY): New macro.
        (create_expression_by_pieces): Fold the expression, and
        mark it as defaulting to not necessary. Also put in
        inserted_exprs.
        (fully_constant_expression): New function.
        (insert_into_preds_of_block): Modify to not insert phis when we
        are playing with induction variables.
        Push phis onto the inserted_exprs vector, and mark them as not
        necessary by default.
        (insert_aux): Call fully_constant_expression on eprime.
        If all edges produce the same value, mark it constant.
        (mark_operand_necessary): New function.
        (remove_dead_inserted_code): New function.
        (init_pre): Init loop optimizer to get loop info.
        (fini_pre): Free loop_optimizer, and inserted_exprs vec.
        (execute_pre): Commit edge inserts, then remove dead code.

2005-01-30  Richard Henderson  <rth@redhat.com>

        * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
        * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.

2005-01-30  Richard Henderson  <rth@redhat.com>

        PR target/19700
        * config/i386/i386.c (ix86_expand_copysign): New.
        (ix86_split_copysign_const): New.
        (ix86_split_copysign_var): Rename from ix86_split_copysign,
        rearrange op1/nmask operands.
        * config/i386/i386-protos.h: Update.
        * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
        (copysigndf3): Likewise.
        (copysignsf3_const, copysigndf3_const): New.
        (copysignsf3_var): Rename from copysignsf3, split out splitter
        and fix split predicate for X constraint.
        (copysigndf3_var): Similarly.

2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>

        * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
        doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
        doc/tm.texi, doc/tree-ssa.texi: Update copyright.

2005-01-29  Richard Henderson  <rth@redhat.com>

        PR target/19690
        * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
        of # and * in constraints.

2005-01-29  Richard Henderson  <rth@redhat.com>

        PR middle-end/19689
        * expr.c (store_field): Don't strip sub-mode cast when the input
        data is even smaller.

2005-01-29  Richard Henderson  <rth@redhat.com>

        PR middle-end/19687
        * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
        union being empty.

2005-01-29  Richard Henderson  <rth@redhat.com>

        * combine.c (make_field_assignment): Fix argument order
        to gen_int_mode.

2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>

        PR tree-optimization/15791
        * fold-const.c (extract_array_ref): New function.
        (fold): Fold comparisons between &a[i] and &a[j] or
        semantically equivalent trees.

2005-01-29  Jeff Law  <law@redhat.com>

        * gcse.c (insert_expr_in_table): Revamp handling of available
        and anticipatable occurrence lists to avoid unnecessary list
        walking.
        (insert_set_in_table): Similarly.

2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>

        * c-common.c (fix_string_type): Just use c_build_qualified_type to
        build string type.
        (c_build_qualified_type): Build qualified array types with
        TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
        * c-decl.c (c_make_fname_decl): Build unqualified array type
        before qualified type.
        (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
        type is qualified, not just if type itself is.  Don't apply
        qualifiers to array type when declarator is processed.  Apply
        qualifiers to field type whether or not it is an array type.
        Don't handle array types specially for applying qualifiers to
        variables.
        * c-typeck.c (composite_type): Build unqualified element type and
        array type when forming composite of array types.
        (common_pointer_type, comptypes, comp_target_types,
        type_lists_compatible_p, build_indirect_ref, build_array_ref,
        convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
        types.
        (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
        (args2) in variables a1 and a2.

2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>

        * cse.c (n_elements_made, max_elements_made): Remove.
        (insert): Don't touch n_elements_made.
        (cse_main): Don't touch n_elements_made or max_elements_made.

2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>

        PR target/15384
        * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
        configuration part of dp-bit.c to be lost.

2005-01-28  Roger Sayle  <roger@eyesopen.com>

        * expmed.c (expand_mult_highpart_optab): When attempting to use
        a non-widening multiplication in a wider mode, the operands need
        to be converted (zero or sign extended) to that mode.

2005-01-28  Ian Lance Taylor  <ian@airs.com>

        PR middle-end/16558
        PR middle-end/19583
        * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
        through if both operands fall through.

2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>

        * cse.c (fold_rtx) <PC>: Don't optimize.

2005-01-28  Jeff Law  <law@redhat.com>

        * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
        (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.

2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>

        * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
        cse_reg_info_used_list_end): Remove.
        (cse_reg_info_list, cse_reg_info_list_free): New.
        (get_cse_reg_info): When allocating an instance of
        cse_reg_info, add it to the beginning of the cse_reg_info_list
        list.  Remove code to maintain cse_reg_info_used_list.
        (new_basic_block): Reset the free list to the beginning of
        cse_reg_info_list.

2005-01-28  Richard Sandiford  <rsandifo@redhat.com>

        * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
        (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
        (frv_expand_mdpackh_builtin): New function.
        (frv_expand_builtin): Use it to expand __MDPACKH.
        * doc/extend.texi (__MDPACKH): Update documentation.

2005-01-28  Uros Bizjak  <uros@kss-loka.si>

        * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
        SSE_FLOAT_MODE_P for use_sse computation.

2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>

        PR target/19663
        * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.

2005-01-27  Richard Henderson  <rth@redhat.com>

        * builtins.c (expand_builtin_copysign): New.
        (expand_builtin): Call it.
        * genopinit.c (optabs): Add copysign_optab.
        * optabs.c (init_optabs): Initialize it.
        (expand_copysign): New.
        * optabs.h (OTI_copysign, copysign_optab): New.
        (expand_copysign): Declare.

        * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
        (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.

        * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
        (ix86_expand_fp_absneg_operator): ... here.
        (ix86_split_copysign): New.
        * config/i386/i386-protos.h: Update.
        * config/i386/i386.md (UNSPEC_COPYSIGN): New.
        (copysignsf3, copysigndf3): New.

        * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
        (copysignsf3, ncopysignsf3): New.
        (copysigndf3, ncopysigndf3): New.
        (copysignxf3, ncopysignxf3): New.
        * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.

2005-01-27  Arend Bayer  <arend.bayer@web.de>
            Kazu Hirata  <kazu@cs.umass.edu>

        * cse.c: (find_best_addr): Don't call copy_rtx before calling
        fold_rtx.  Save cost recomputation if fold_rtx did nothing.
        (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
        NULL_RTX.

2005-01-27  Jeff Law  <law@redhat.com>

        * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
        definitions of SSA_NAMEs which are not being rewritten.
        (rewrite_ssa_into_ssa): Only initialize the current definition
        of an SSA_NAME if that SSA_NAME has been marked for rewriting.
        If checking is enabled, assert that SSA_NAME_AUX is clear for all
        SSA_NAMEs before returning.

2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>

        * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
        cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
        tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
        config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
        config/mips/iris6.h, config/sh/sh.c: Update copyright.

2005-01-27  Steven Bosscher  <stevenb@suse.de>

        PR middle-end/17278
        * opts.c (decode_options): Move flag_thread_jumps from -O1 and
        higher to -O2 and higher.  Likewise for tree PRE.
        * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
        and better.

2005-01-27  Ian Lance Taylor  <ian@airs.com>

        PR middle-end/19583
        * gimple-low.c (try_catch_may_fallthru): New static function.
        (block_may_fallthru): Handle TRY_CATCH_EXPR.
        * tree-inline.c (expand_call_inline): Don't warn about reaching
        the end of a non-void function being inlined if the function uses
        a return slot.

2005-01-27  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.

        PR c/18946
        * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
        (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
        (implicitly_declare): Handle error_mark_node.

2005-01-27  Richard Henderson  <rth@redhat.com>

        PR tree-opt/14329
        * tree.h (struct tree_decl): Add debug_expr_is_from.
        (DECL_DEBUG_EXPR_IS_FROM): New.
        (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
        * dwarf2out.c (dwarf2out_var_location): Update to match.
        * tree-outof-ssa.c (create_temp): Likewise.
        * var-tracking.c (track_expr_p): Likewise.
        * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
        * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
        * toplev.c (default_tree_printer): Likewise.

2005-01-27  Alexandre Oliva  <aoliva@redhat.com>

        * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
        GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.

2005-01-27  Steven Bosscher  <stevenb@suse.de>

        * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
        CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
        ASM_CLOBBERS): Add tree checks.

        * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
        (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
        * c-common.def (SWITCH_STMT): Update to match.
        * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
        macros instead of SWITCH_EXPR ones.
        * c-dump.c (c_dump_tree): Likewise.
        * c-gimplify.c (gimplify_switch_stmt): Likewise.
        * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.

        * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.

2005-01-27  Alan Modra  <amodra@bigpond.net.au>

        * unwind-dw2.c (execute_stack_op): Add missing cases for
        DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.

2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config.gcc (Obsolete configurations): Remove 'dummy', add
        sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
        sparc-*-openbsd*.

2005-01-26  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/19633
        * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
        CALL_EXPRs.
        (maybe_create_global_var): Do not create .GLOBAL_VAR if there
        are no call-clobbered variables.
        * tree-outof-ssa.c (check_replaceable): Return false for calls
        with side-effects.

2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>

        * dbxout.c (dbxout_symbol_location): Resolve constant pool references
        even for variables with NULL DECL_INITIAL.

2005-01-26  Stuart Hastings  <stuart@apple.com>

        * gimplify.c (shortcut_cond_expr): Re-compute side-effects.

2005-01-26  Richard Henderson  <rth@redhat.com>

        PR middle-end/18008
        * c-decl.c (finish_struct): Set DECL_MODE after resetting a
        field's type.
        * expr.c (store_field): Strip conversions to odd-bit-sized types
        if the destination field width matches.

2005-01-26  Richard Henderson  <rth@redhat.com>

        * c-decl.c, expmed.c, expr.c: Revert last change.

2005-01-26  Richard Henderson  <rth@redhat.com>

        PR middle-end/18008
        * c-decl.c (finish_struct): Set DECL_MODE after resetting a
        field's type.
        * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
        if we don't need the bits above those present in the current mode.
        * expr.c (store_field): Strip conversions to odd-bit-sized types
        if the destination field width matches.

2005-01-26  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
        either -ffast-math or -funsafe-math-optimizations is in use.

2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>

        PR target/19293
        PR target/19329
        * config/avr/avr.c (notice_update_cc): Only set condition code for
        ashrqi3 if shift count > 0.
        (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
        (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
        ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
        count <= 0 as a no-op, and shift count >= width by copying zero
        or sign bit to all bits of the result.
        * config/avr/avr.md (all shifts): Add alternatives for zero shift
        count, with attribute "length" set to 0 and "cc" set to "none".

2005-01-26  Aldy Hernandez  <aldyh@redhat.com>

        * doc/invoke.texi: Document -mTLS.

        * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
        * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
        * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
        * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
        * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
        * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
        * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
        * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.

        * configure.ac: Check for a TLS capable gas.

        * configure: Regenerate.

2005-01-26  Richard Henderson  <rth@redhat.com>

        PR middle-end/18008
        * combine.c (make_field_assignment): Simplify store to zero_extract
        from a source with an overlapping mask.

2005-01-26  Aldy Hernandez  <aldyh@redhat.com>

        2004-11-11  Eric Christopher  <echristo@redhat.com>

        * config/frv/frv.md: Add fr400_integer automaton. Don't
        allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
        to TYPE_MACC.

2005-01-26  Steven Bosscher  <stevenb@suse.de>

        PR middle-end/16585
        * cfgbuild.c (make_edges): Do not clear or set
        current_function_has_computed_jump.
        * function.h (struct function): Remove the has_computed_jump field.
        (current_function_has_computed_jump): Do not define.
        * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
        in a computed jump.  Ignore current_function_has_computed_jump.

2005-01-26  Richard Henderson  <rth@redhat.com>

        PR middle-end/19515
        * expr.c (categorize_ctor_elements): New argument p_must_clear.
        (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
        fully initialized.
        (mostly_zeros_p): Update for new categorize_ctor_elements argument.
        * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
        objects into static storage if they have more than one non-zero value.
        * tree.h (categorize_ctor_elements): Update decl.

2005-01-26  Steven Bosscher  <stevenb@suse.de>

        PR middle-end/19616
        * tree.h (CALL_EXPR_TAILCALL): Add comment.
        * calls.c (check_sibcall_argument_overlap_1): Revert the change
        to this function from 2004-07-10.
        * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
        the current function for tail call optimizations if the address
        of one of it its arguments is taken.

2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>

        * cse.c (fold_rtx): Call equiv_constant only when necessary.

2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>

        * function.c (expand_function_end): If current_function_calls_alloca,
        emit stack restore in a place that is reached when the function falls
        through at the end.

2005-01-26  Alexandre Oliva  <aoliva@redhat.com>

        * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
        rule to avoid matching inappropriate suffix rule.

2005-01-26  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/19241
        * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.

2005-01-26  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
        -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
        of doubling.
        (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
        <sim*>: Always use crt1.o, regardless of N in simN.
        <!sim>: Drop support for -pg and -p variants; always use crt0.o.
        (ENDFILE_SPEC): Add crtn.o, after crtend.o.
        (CRT_CALL_STATIC_FUNCTION): Remove.
        * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
        use crt1.o, regardless of N in simN.
        <!sim>: Drop support for -pg and -p variants; always use crt0.o.
        (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
        (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
        case isystem setting.
        (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.

2005-01-25  Ian Lance Taylor  <ian@airs.com>

        * gimple-low.c (block_may_fallthru): Correct handling of
        SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.

2005-01-26  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
        handlers to match indentation; nested under the mtune=* handler.
        Similar for mcpu= and march=.

2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
        * config/mips/linux64.h (LIB_SPEC): Likewise.
        * config/mn10300/linux.h (LIB_SPEC): Likewise.
        * config/sh/linux.h (LIB_SPEC): Likewise.

2005-01-25  Aldy Hernandez  <aldyh@redhat.com>

        * config/frv/frv.c (frv_legitimize_tls_address): New.
        (TARGET_HAVE_TLS): Define.
        (FRV_SYMBOL_REF_TLS_P): Define.
        (frv_override_options): Handle new register classes.
        (frv_legitimate_address_p): Reject tls addresses.
        (frv_legitimize_address): Handle TLS addresses.
        (gen_inlined_tls_plt): New.
        (gen_tlsmoff): New.
        (frv_legitimize_tls_address): New.
        (unspec_got_name): Add TLS entries.
        (got12_operand): Add R_FRV_TLSMOFF12 case.
        (frv_emit_move): Fixup TLS addresses.
        (frv_emit_movsi): Legitimize TLS addresses.

        * config/frv/frv.h (MASK_BIG_TLS): New.
        (TARGET_BIG_TLS): New.
        (HAVE_AS_TLS): Define.
        (TARGET_SWITCHES): Add -mTLS and -mtls options.
        (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
        (REG_CLASS_NAMES): Same.
        (REG_CLASS_CONTENTS): Same.
        (CONSTRAINT_LEN): New.
        (REG_CLASS_FROM_CONSTRAINT): New.
        (PREDICATE_CODES): Add symbolic_operand.

        * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
        UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
        UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
        UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
        R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
        R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
        R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
        GR9_REG, GR14_REG, LRREG.
        (type): Add load_or_call attribute.
        ("load_or_call"): New reservation.
        ("call_gettlsoff"): New.
        ("tls_indirect_call"): New.
        ("tls_load_gottlsoff12"): New.
        ("tlsoff_hilo"): New.
        ("tls_tlsdesc_ldd"): New.
        ("tls_tlsoff_ld"): New.
        ("tls_lddi"): New.

        * config/frv/frv-protos.h (symbolic_operand): Protoize.

        2005-01-25  Alexandre Oliva  <aoliva@redhat.com>

        * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
        * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
        * config/frv/frv.c (TLS_BIAS): Define.
        (frv_output_dwarf_dtprel): New.

2005-01-26  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/19579
        * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
        both A and B, see if they don't clobber registers the other expr uses.

2005-01-25  J"orn Rennecke <joern.rennecke@st.com>

        * real.c (do_add): Initialize signalling and canonical members.

        * real.c (real_from_integer): Zero out destination.

2005-01-18  Jan Hubicka  <jh@suse.cz>

        PR tree-optimize/19337
        * tree-inline.c (initialize_inlined_parameters): Copy
        saved_static_chain_decl only.

2005-01-25  Richard Henderson  <rth@redhat.com>

        PR target/19556
        PR target/19584
        * config/i386/i386.c (x86_inter_unit_moves): Zero.
        (ix86_preferred_reload_class): Rewrite fp-constant section, with
        80387 enabled, to return a proper subclass.  Return the subset that
        overlaps with GENERAL_REGS for PLUS.
        * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.

2005-01-25  Richard Henderson  <rth@redhat.com>

        PR middle-end/19609
        * tree-complex.c (expand_complex_div_wide): Use the correct formulae.

2005-01-25  Roger Sayle  <roger@eyesopen.com>

        * expmed.c (choose_multiplier): Change interface to return the
        multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
        (expand_divmod): Update calls to choose_multiplier.

2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR middle-end/19330
        * expmed.c (extract_bit_field): Use adjust_address instead of
        gen_lowpart when op0 is a MEM.

2005-01-24  Steven Bosscher  <stevenb@suse.de>

        * cfgexpand.c (expand_gimple_tailcall): Fix typo.

2005-01-24  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/irix-csr.c: New file.
        * config/mips/t-iris6 (irix-csr.o): New rule to build it.
        (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
        * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
        executables.

2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR bootstrap/19364
        * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
        sparc/elf.h, add sparc/sp-elf.h.
        (sparc-*-rtems*): Likewise.
        (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
        tm-dwarf2.h, add sparc/sp-elf.h.
        (sparc86x-*-elf): Likewise.
        (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
        * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
        TARGET_OS_CPP_BUILTINS.
        * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
        * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
        Undefine it.
        * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
        * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
        (SWITCH_TAKES_ARG): Likewise.
        (LOCAL_LABEL_PREFIX): Likewise.
        (ASM_GENERATE_INTERNAL_LABEL): Likewise.
        (TARGET_N_FORMAT_TYPES): Delete.
        (TARGET_FORMAT_TYPES): Likewise.
        (ASM_DECLARE_FUNCTION_SIZE): Likewise.
        * config/sparc/elf.h: Delete.
        * config/sparc/sp-elf.h: New file.

2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-flow-inline.h (phi_arg_from_edge): Remove.
        * tree-flow.h: Remove the corresponding prototype.
        * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
        tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.

2005-01-24  Jakub Jelinek  <jakub@redhat.com>

        PR target/17751
        * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
        for AIX ABI or ELF -fPIC.
        (rs6000_emit_load_toc_table): Don't create toc_section here.
        (rs6000_xcoff_file_start): Nor here.

2005-01-24  J"orn Rennecke <joern.rennecke@st.com>

        * sh.c (ra.h): Don't #include.
        (hard_regs_intersect_p): New function, resurrected from ra.c.

        * sh.c: Fix 1996 Copyright.

2005-01-24  Richard Henderson  <rth@redhat.com>
            Aldy Hernandez  <aldyh@redhat.com>

        * regrename.c (note_sets): Handle subregs.

2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>

        PR bootstrap/18058
        * genconditions.c (write_header, write_conditions): Elide file if
        not GCC >= 3.0.1.

2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>

        * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
        config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
        Update copyright.

2005-01-24  Jakub Jelinek  <jakub@redhat.com>

        * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
        expand_builtin_printf, expand_builtin_fprintf,
        expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
        checking against POINTER_TYPE.
        (validate_arglist): Handle POINTER_TYPE code by checking
        POINTER_TYPE_P.

2005-01-24  Paolo Bonzini  <bonzini@gnu.org>

        * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
        init_rtlanal): New.
        (for_each_rtx): Call for_each_rtx_1.
        * rtl.h (init_rtlanal): Declare.
        * toplev.c (backend_init): Call init_rtlanal.

2005-01-24  Jakub Jelinek  <jakub@redhat.com>

        * flow.c (propagate_one_insn): Formatting.

        PR middle-end/19551
        * flow.c (libcall_dead_p): Be more conservative if unsure.
        If there are any instructions between insn and call, see if they are
        all dead before saying the libcall is dead.

2005-01-24  Uros Bizjak  <uros@kss-loka.si>

        * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
        operand constraint for operand 0.

2005-01-23  Richard Henderson  <rth@redhat.com>

        PR 19486
        * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
        edges leading to join block.

2005-01-23  Roger Sayle  <roger@eyesopen.com>

        * expmed.c (expand_mult_highpart): Make static.  Change type of
        constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
        (expand_divmod): Updates calls to expand_mult_highpart by using
        gen_int_mode to pass a CONST_INT rtx.
        * rtl.h (expand_mult_highpart): Remove prototype.

2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>

        * flow.c (regset_bytes, regset_size): Remove.

        * cfganal.c: Fix a reference to Harvey's paper.

2005-01-23  Steven Bosscher  <stevenb@suse.de>

        PR rtl-optimization/19464
        * tree-optimize.c (init_tree_optimization_passes): Add one more
        copyrename pass just before out-of-ssa.

2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>

        PR bootstrap/18058
        * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
        * ggc-none.c (ggc_free): Define.

2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>

        * cse.c (max_reg, max_insn_uid): Remove.
        (cse_main): Don't access max_reg or max_insn_uid.

        * c-common.c (explicit_flag_signed_bitfields,
        lang_statement_code_p, lang_expand_function_end): Remove.
        * c-common.h: Remove the corresponding declarations.
        * c-opts.c (c_common_handle_option): Remove all write access
        to explicit_flag_signed_bitfields.

        * cgraph.c (cgraph_varpool_n_nodes): Remove.
        (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
        * cgraph.h: Remove the corresponding declaration.

        * gcse.c (null_pointer_info): Remove.

2005-01-23  Roger Sayle  <roger@eyesopen.com>
            Eric Botcazou  <ebotcazou@libertysurf.fr>

        * combine.c (simplify_logical): Only simplify logical expressions
        of the form ior(and(x,y),z) by the inverse distributive law if the
        result is cheaper than the original.

2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>

        * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
        fold-const.c, gimplify.c, params.h, tree-data-ref.c,
        tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
        tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
        config/freebsd-spec.h, config/arm/arm.h,
        config/h8300/h8300.md, config/i386/i386.md,
        config/i386/predicates.md, config/i386/sse.md,
        config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
        config/vax/vax.md: Fix comment typos.  Follow spelling
        conventions.

2005-01-23  Steven Bosscher  <stevenb@suse.de>

        * gengtype.c (walk_type): Produce `not equal to' compares for loop
        tests, instead of `less than'.

2005-01-23  Richard Sandiford  <rsandifo@redhat.com>

        * function.c (assign_parm_setup_block): When creating a new stack slot
        for a parameter, get its alignment from the parameter's DECL_ALIGN
        rather than the type's TYPE_ALIGN.  Make sure that the parameter
        is at least word aligned.

2005-01-22  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/19378
        * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.

2005-01-22  Richard Henderson  <rth@redhat.com>

        PR target/19506
        * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
        in both compare operands.
        (movdfcc_1_sse_max): Likewise.
        (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
        (movdfcc_1_sse): Likewise.
        * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
        scratch register as needed.

2005-01-22  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.md (smaxsf3): Fix mnemonic typo.

        * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.

2005-01-22  Richard Henderson  <rth@redhat.com>

        * genopinit.c (optabs): Use smin/smax for floating point too.
        * doc/md.texi: Update to match.  Clarify that floating point
        results are undefined for +0/-0 and NaN.
        * doc/rtl.texi: Likewise.
        * rtl.def (SMIN, SMAX): Likewise
        * tree.def (MIN_EXPR, MAX_EXPR): Likewise.

        * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
        leading 's' to the name.
        * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
        smaxxf3, sminxf3): Likewise.
        * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
        Likewise.

2005-01-22  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.

2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>

        * config/s390/s390.c (struct processor_costs): New fields
        dlgr, dlr, dr, dsgfr, dsgr.
        (z900_cost, z990_cost): Values for new fields.
        (s390_rtx_costs): New cases MEM und COMPARE in switch
        statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
        DIV, MOD, UDIV, UMOD.

2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md ("doloop_si64"): Reload input value directly
        into the register being decremented.
        ("doloop_si31", "doloop_di"): Likewise.
        ("*doloop_si_long"): Adapt pattern.

2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
        access registers.
        (CLASS_MAX_NREGS): Likewise.

2005-01-21  Daniel Berlin  <dberlin@dberlin.org>

        * doc/tree-ssa.texi (Statement Operands): Add example for new
        must-def macro. Note deprecation of old operands interface.

2005-01-22  Richard Sandiford  <rsandifo@redhat.com>

        PR tree-optimization/19484
        * tree-cfg.c (remove_fallthru_edge): New function.
        (cleanup_control_flow): Remove fallthru edges from calls that are
        now known not to return.

2005-01-20  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/19038
        * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
        copies with loop variant ones.

2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>

        * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
        config/alpha/alpha-protos.h, config/alpha/alpha.h,
        config/alpha/alpha.md, config/alpha/predicates.md,
        config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
        config/sparc/sol2.h: Update copyright.

        * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
        first label to see if it is a nonlocal label.

2005-01-22  David Edelsohn  <edelsohn@gnu.org>
            Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/19491
        * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
        maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.

2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>

        * config/rs6000/rtems.h: Update copyright.

2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>

        PR target/19548
        * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
        (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
        (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.

2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        PR c/18809
        * c-typeck.c (convert_arguments): Check for error_mark_node.

2005-01-21  Ian Lance Taylor  <ian@airs.com>

        PR tree-optimization/13000
        * tree-inline.c: Include "tree-flow.h".
        (expand_call_inline): If warn_return_type, warn if non-void inline
        function falls through.
        * tree-cfg.c (execute_warn_function_return): Don't warn about
        control reaching end if TREE_NO_WARNING is set.  Set
        TREE_NO_WARNING.
        * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
        has been lowered.
        * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
        branch if we don't need one.
        * c-typeck.c: Include "tree-flow.h"
        (c_finish_bc_stmt): Don't add a goto if the current statement
        list doesn't fall through to the current point.

2005-01-21  Roger Sayle  <roger@eyesopen.com>

        PR rtl-optimization/576
        * real.c (real_arithmetic): Change return type from void to bool
        to return an indication that the result may be inexact.
        * real.h (real_arithmeric): Update prototype.
        * fold-const.c (const_binop):  Don't constant fold floating
        point expressions when the user specifies -frounding-math and
        the result may depend upon the run-time rounding mode.
        (fold_convert_const_real_from_real): Clean-up.
        (fold_initializer): Ignore flag_rounding_math for initializers.
        * simplify-rtx.c (simplify_binary_operation): Likewise, don't
        constant fold FP operations with flag_rounding_math if the
        result may depend upon the run-time rounding mode.

2005-01-21  Tom Tromey  <tromey@redhat.com>

        * c-cppbuiltin.c (define__GNUC__): Correct assertion.

2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c: Fix comment typos.

2005-01-21  J"orn Rennecke <joern.rennecke@st.com>

        * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
        around the call to rest_of_handle_branch_target_load_optimize.

2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
        (sparc64-*-openbsd*): Likewise.
        (sparclite-*-elf*): Include tm-dwarf2.h.
        (sparc86x-*-elf*): Likewise.
        (sparc64-*-elf*): Likewise.
        * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
        (DBX_DEBUGGING_INFO): Likewise.
        * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
        (PREFERRED_DEBUGGING_TYPE): Likewise.
        * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
        * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
        (PREFERRED_DEBUGGING_TYPE): Likewise.
        * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
        (PREFERRED_DEBUGGING_TYPE): Likewise.
        * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.

2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>

        PR target/18701
        * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.

2005-01-20  Paul Brook  <paul@codesourcery.com>

        * doc/rtl.texi: Document value extension requirements for CONST_INT.

2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
        label is first in a sequence of labels.

        * tree-cfg.c (tree_verify_flow_info): Fix a typo.

2005-01-20  Janis Johnson  <janis187@us.ibm.com>
            Giovanni Bajo  <giovannibajo@gcc.gnu.org>

        * doc/sourcebuild.texi (Test Directives): New.

2005-01-20  Roger Sayle  <roger@eyesopen.com>

        * real.c (real_floor): Don't leave the result uninitialized when
        mode is VOIDMode, but return the unrounded intermediate value.
        (real_ceil): Likewise.

2005-01-20  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.md (insv): Use gen_int_mode.

2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
        * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
        * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
        * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
        * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.

2005-01-20  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR debug/19124
        * dwarf2out.c (concat_loc_descriptor): We don't know we can use
        fbreg, so we have to assume we can't.
        (loc_descriptor_from_tree_1): Ditto.
        (containing_function_has_frame_base): New function.
        (add_location_or_const_value_attribute): Use it.
        Also try to generate a frame_base from a single element location
        list.

2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>

        PR tree-optimization/15349
        * timevar.def (TV_TREE_MERGE_PHI): New.
        * tree-cfg.c (tree_forwarder_block_p): Add a new argument
        PHI_WANTED.
        (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
        calls to tree_forwarder_block_p.
        (remove_forwarder_block_with_phi, merge_phi_nodes,
        gate_merge_phi, pass_merge_phi): New.
        * tree-optimize.c (init_tree_optimization_passes): Add
        pass_merge_phi.
        * tree-pass.h: Add an extern for pass_merge_phi;

2005-01-20  Richard Henderson  <rth@redhat.com>

        PR target/19418
        * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
        (_mm_castps_pd, _mm_castps_si128): New.
        (_mm_castsi128_ps, _mm_castsi128_pd): New.

2005-01-20  Richard Henderson  <rth@redhat.com>

        PR target/19530
        * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
        __builtin_ia32_vec_init_v2si.
        (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
        * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
        (ix86_init_mmx_sse_builtins): Create it.
        (ix86_expand_builtin): Expand it.
        (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
        * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
        (vec_extractv2si_0, vec_extractv2si_1): New.

2005-01-20  Richard Henderson  <rth@redhat.com>

        PR target/16533
        * config/i386/i386.c (ix86_expand_push): New.
        * config/i386/mmx.md (push<MMXMODE>1): New.
        * config/i386/sse.md (push<SSEMODE>1): New.
        * config/i386/i386-protos.h: Update.

2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>

        * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
        copyright.

2005-01-20  Richard Henderson  <rth@redhat.com>

        * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
        * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.

2005-01-19  Richard Henderson  <rth@redhat.com>

        PR target/19350
        * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
        to V4SFmode in SSE1 fallback load path.

2005-01-19  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
        in QImode expansion to ix86_expand_vector_set.
        (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.

2005-01-19  Richard Henderson  <rth@redhat.com>

        PR target/19511
        * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
        subclass of the input class.
        (ix86_secondary_memory_needed): Always true for cross-MMX classes.
        Always true for cross-SSE1 classes.  Rationalize conditionals.
        * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
        * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
        for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
        (movdi_2): Add MMX/SSE zeros.
        (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
        (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
        (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
        (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
        (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
        (zero_extendsidi2_rex64_1): Remove.
        (MOV0 peephole): Check GENERAL_REG_P.

2005-01-19  Richard Henderson  <rth@redhat.com>

        PR target/19427
        * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
        shufps elements.
        (ix86_expand_vector_extract): Likewise.

2005-01-19  Richard Henderson  <rth@redhat.com>

        PR middle-end/19304
        * expr.c (emit_move_change_mode): New argument force; use
        simplify_gen_subreg if true.
        (emit_move_via_alt_mode): Merge into ...
        (emit_move_via_integer): ... here.
        (emit_move_ccmode): Use emit_move_change_mode directly.

2005-01-19  Richard Henderson  <rth@redhat.com>

        PR target/19518
        * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
        (alpha_preferred_reload_class): Handle CONST_VECTOR.
        (alpha_emit_set_const_1): Add no_output parameter; don't emit
        rtl if true.
        (alpha_emit_set_const): Likewise.  Make static.
        (alpha_emit_set_long_const): Make static.
        (alpha_extract_integer): Split out from alpha_expand_mov.
        (alpha_split_const_mov): Likewise.
        (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
        (alpha_legitimate_constant_p): New.
        * config/alpha/alpha-protos.h: Update.
        * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
        (LEGITIMATE_CONSTANT_P): Re-implement with a function.
        * config/alpha/alpha.md (movsi): Add n alternative.
        (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
        (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
        (splitters for all of the above): Use alpha_split_const_mov.
        * config/alpha/predicates.md (non_add_const_operand): New.
        (non_zero_const_operand): New.
        (input_operand): Use alpha_legitimate_constant_p after reload.

2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/19038
        * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
        (add_candidate): Add ivs with increment in latch only if
        allow_ip_end_pos_p is true.
        (determine_iv_cost): Use empty_block_p.

2005-01-19  Daniel Berlin  <dberlin@dberlin.org>

        * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
        (compute_dominance_frontiers): Ditto.

2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>

        PR target/19529
        * config/sh/t-rtems: New.
        * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.

2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
        the offset of the selected field.

2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (remove_forwarder_block): Fix the check to
        prevent a nonlocal label from appearing in the middle of a
        basic block.

2005-01-19  Hans-Peter Nilsson  <hp@axis.com>

        PR rtl-optimization/19462
        * reorg.c (find_end_label): Create return insn only if
        current_function_epilogue_delay_list is empty.

2005-01-19  Paolo Bonzini  <bonzini@gnu.org>

        * doc/passes.texi: Remove paragraph mentioning new-ra.

2005-01-19  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/15139
        * combine.c: Include params.h.
        (count_rtxs): New function.
        (record_value_for_reg): If replace_rtx would replace at least
        2 occurrences of REG in VALUE and TEM is really large, replace REG with
        (clobber (const_int 0)) instead of TEM.
        * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
        * params.h (MAX_LAST_VALUE_RTL): New.
        * Makefile.in (combine.o): Depend on $(PARAMS_H).
        * doc/invoke.texi (--param max-last-value-rtl=N): Document.

        PR c/17297
        * c-typeck.c (digest_init): Only call build_vector if all constructor
        elements are *_CST nodes.
        * gimplify.c (gimplify_init_constructor): Likewise.

        PR middle-end/19164
        * c-typeck.c (digest_init): Only call build_vector if inside_init
        is a CONSTRUCTOR.

2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        * toplev.c (init_asm_output): Remove dead #ifdef.

2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.

2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
        accessing DECL_FUNCTION_CODE.
        * dojump.c (do_jump): Likewise.
        * gimplify.c (gimplify_call_expr): Likewise.
        * predict.c (expr_expected_value): Likewise.
        (strip_builtin_expect): Likewise.
        * tree-inline.c (estimate_num_insns_1): Likewise.
        * tree-ssa-loop-im.c (stmt_cost): Likewise
        * fold-const.c (fold): Test for BUILT_IN_NORMAL.
        (tree_expr_nonnegative_p): Likewise.

2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (load_pic_register): Emit the appropriate
        variant of the load_pcrel_sym pattern.
        * config/sparc/sparc.md (P macro): Move to the top.
        (load_pcrel_sym): Macroize using P.
        (save_register_window): Likewise.

2005-01-18  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
        ("sordered"): Same.

2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>

        PR C/19472
        * c-typeck.c (build_asm_expr): Strip nops off
        input memory operands.

2005-01-18  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
        _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
        * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
        * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.

2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>

        PR target/19379
        * config/i386/i386.c (override_options): If the 80387 is disabled,
        then do not return FP values using FP registers.

2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>

        * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
        c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
        combine.c, config.gcc, coverage.h, cse.c, cselib.c,
        defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
        flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
        gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
        output.h, postreload-gcse.c, postreload.c, recog.c,
        resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
        targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
        tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
        tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
        tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
        tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
        tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
        unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.

        * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
        config/alpha/alpha.c, config/arm/vfp.md,
        config/i386/emmintrin.h, config/i386/i386-modes.def,
        config/i386/i386-protos.h, config/i386/i386.h,
        config/i386/pmmintrin.h, config/i386/ppro.md,
        config/i386/predicates.md, config/i386/xmmintrin.h,
        config/i860/i860.c, config/ia64/ia64-modes.def,
        config/ia64/ia64-protos.h, config/ia64/ia64.h,
        config/ia64/ia64.md, config/ia64/itanium1.md,
        config/ia64/itanium2.md, config/ia64/predicates.md,
        config/iq2000/iq2000.h, config/mips/linux64.h,
        config/rs6000/aix41.h, config/rs6000/aix43.h,
        config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
        config/rs6000/rs6000.c, config/rs6000/rs6000.h,
        config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
        config/sparc/linux64.h, config/sparc/litecoff.h,
        config/sparc/sp64-elf.h, config/sparc/sparc.c,
        config/sparc/sparc.h, config/sparc/sparc.md,
        config/sparc/sysv4-only.h: Update copyright.

2005-01-18  Richard Henderson  <rth@redhat.com>

        PR target/19496
        * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.

2005-01-18  Marc Espie  <espie@openbsd.org>
        * config/i386/openbsdelf.h: Typo.

2005-01-18  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
        special case for sse.
        * config/i386/predicates.md (sse_comparison_operator): Likewise.

2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>

        * tree-inline.c (estimate_num_insns_1): Added cases for
        ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.

2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR rtl-optimization/19296
        * combine.c (simplify_comparison): Rewrite the condition under
        which a non-paradoxical SUBREG of a PLUS can be lifted when
        compared against a constant.

2005-01-18  Andi Kleen <ak@muc.de>

        * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
        * c.opt (-Wpointer-sign): Add.
        * doc/invoke.texi: (-Wpointer-sign): Add.

2005-01-18  Uros Bizjak  <uros@kss-loka.si>

        * config/i386/i386.c (override_options): Revert 2004-11-24 change.
        * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
        *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
        logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
        exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
        nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
        for TARGET_MIX_SSE_I387.
        (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
        sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
        atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
        log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
        floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
        (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
        TARGET_MIX_SSE_I387.
        (atan2sf3, atan2df3, atan2xf3): Remove register constraints
        from expander.

2005-01-18  Uros Bizjak  <uros@kss-loka.si>

        PR target/19424
        * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
        Add movaps alternative for xmm reg->reg move.

2005-01-17  Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
        at the end of the main DOM loop rather than just before DOM exits.

2005-01-17  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/19121
        * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
        adding aliases to a name tag, also add them to the pointer's
        type tag.
        * tree-ssa-copy.c (merge_alias_info): Do not merge flow
        sensitive alias info at all.  Only check that the two pointers
        have compatible pointed-to sets.
        * tree-ssa.c (verify_name_tags): Verify that the alias set of
        a pointer's type tag is a superset of the alias set of the
        pointer's name tag.

2005-01-17  James E Wilson  <wilson@specifixinc.com>

        PR target/19357
        * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
        comment to document why.

2005-01-17  Richard Henderson  <rth@redhat.com>

        * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
        sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
        sse2_vmsmaxv2df3_finite, sminv2df3_finite,
        sse2_vmsminv2df3_finite): New.
        (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
        sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
        Force op1 into register.

2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>

        * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
        bubblestrap from always rebuilding build directory.

2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md ("*clc"): Remove incorrect '='.
        ("*cmpmem_short"): Likewise.

2005-01-17  Steven Bosscher  <stevenb@suse.de>

        * basic-block.h: Document BB_* flags.
        * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
        use an sbitmap instead.
        * sched-rgn.c (compute_trg_info): Likewise.

2005-01-17  Richard Sandiford  <rsandifo@redhat.com>

        * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
        redundant target_cpu_default and extra_parts lines.  Use the default
        "from-abi" ISA.
        * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
        (SUBTARGET_EXTRA_SPECS): Delete.
        (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
        (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
        * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
        and "n32" for -mabi=n32.

2005-01-17  Ian Lance Taylor  <ian@airs.com>

        PR c/5675
        * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
        fold constant variables into initial values.

2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.

        * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
        through the statements backward.

2005-01-17  Ian Lance Taylor  <ian@airs.com>

        PR middle-end/13127:
        * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
        a variable set to the return value of the inlined function.

2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>

        * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
        when modes are tieable.

2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>

        * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
        of pthread_create to find out if threads are enabled.
        * gthr-posix95.h (__gthread_active_p): Likewise.

2005-01-17  Paolo Bonzini  <bonzini@gnu.org>

        * common.opt (-fnew-ra): Remove.
        * ra*.*: Remove.
        * toplev.h (flag_new_regalloc): Remove.
        * Makefile.in (ra*.*): Don't mention.
        * passes.c (rest_of_handle_new_regalloc): Remove.
        (rest_of_handle_combine, rest_of_compilation): Always consider
        flag_new_regalloc as false.
        * doc/invoke.texi: Don't document -fnew-ra.

2005-01-17  Paolo Bonzini <bonzini@gnu.org>

        * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
        last parameter to reg_scan.
        * loop.c (loop_optimize): Likewise.
        * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
        rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
        rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
        rest_of_handle_gcse, rest_of_handle_loop_optimize,
        rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
        * regclass.c (reg_scan): Likewise, for the declaration.
        * rtl.h (reg_scan): Likewise, for the prototype.

2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
        mark_dfs_back_edges.

2005-01-16  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
        (compute_avail): Uses don't go in tmp_gen.

2005-01-16  Steven Bosscher  <stevenb@suse.de>

        * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
        loop to look for a free slot in a page entry.

2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/16304
        * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
        * toplev.c (compile_file): Call process_pending_assemble_output_defs
        just before targetm.asm_out.file_end.
        * tree.h (process_pending_assemble_output_defs): Declare.
        * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
        New functions.
        (assemble_alias): Defer generation of assembly code for defines when
        TARGET_DEFERRED_OUTPUT_DEFS is true.
        * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
        * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
        * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.

2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/19336
        * pa.c (pa_scalar_mode_supported_p): New function.
        (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
        * pa.h (MIN_UNITS_PER_WORD): Add comment.

        * pa-protos.h (prefetch_operand): Delete.
        (prefetch_cc_operand, prefetch_nocc_operand): New declations.
        * pa.c (prefetch_operand): Delete.
        (prefetch_cc_operand, prefetch_nocc_operand): New functions.
        * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
        (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
        and prefetch_nocc_operand.
        * pa.md (prefetch): Rework to avoid reload problems handling short
        displacements when a cache control completer needs to be provided.
        (prefetch_32, prefetch_64): Delete.
        (prefetch_cc, prefetch_nocc): New patterns.

2005-01-15  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.

2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR ada/19388
        * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
        exceeds maximum alignment for global common data.
        * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
        * som.h (MAX_OFILE_ALIGNMENT): Likewise.

2004-01-15  Roger Sayle  <roger@eyesopen.com>

        * tree-ssa-dom.c (extract_range_from_cond): Correct condition.

2004-01-15  Roger Sayle  <roger@eyesopen.com>

        * harg-reg-set.h (reg_class_names): Prototype global array.
        * regclass.c (reg_class_names): Declare here and initialize to
        REG_CLASS_NAMES.
        (dump_regclass): Remove local declaration of reg_class_names.
        (regclass): Likewise.
        * cfg.c (dump_flow_info): Likewise.
        * ra-debug.c (reg_class_names): Likewise.
        * regrename.c (reg_class_names): Likewise.
        * reload.c (reg_class_names): Likewise.
        * reload1.c (spill_failure): Likewise.
        * config/m68hc11/m68hc11.c (reg_class_names): Likewise.

2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md ("reload_outti"): Remove predicate for
        output operand.  Abort if operand is not a MEM.
        ("reload_outdi", "reload_outdf"): Likewise.

2005-01-15  Marc Espie  <espie@openbsd.org>

        * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
        (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
        * config/openbsd.h:  Fix C++ includes for native configurations.
        Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
        Add trampoline support.
        * config/i386/openbsdelf.h: New.

2005-01-15  Marc Espie  <espie@openbsd.org>

        * collect2.c (main): Explicitly parse -dynamic-linker option.

2005-01-15  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/19060
        * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
        Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
        (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
        and handle extract_range_from_cond returning false.
        * fold-const.c (fold): Optimize comparisons with min/max even for
        width > HOST_BITS_PER_WIDE_INT.

2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>

        * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
        * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
        Remove little endian multilib variants.
        Add mips32 multilib variant.

2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>

        * explow.c (copy_all_reg, stabilize): Remove.
        * expr.h: Remove the corresponding prototypes.

        * rtlanal.c (regs_set_between_p): Remove.
        * rtl.h: Remove the corresponding prototype.

2005-01-14  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
        to rs6000_nonimmediate_operand.
        * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
        rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
        * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
        rs6000_nonimmediate_operand.
        * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
        rs6000_nonimmediate_operand.

2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.

2005-01-14  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
        on e500v2.
        (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
        (PREDICATE_CODES): Add rs6k_nonimmediate_operand.

        * config/rs6000/rs6000.c (invalid_e500_subreg): New.
        (rs6k_nonimmediate_operand): New.
        (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
        correctly.
        (legitimate_lo_sum_address_p): Same.
        (rs6000_legitimize_address): Same.
        (rs6000_legitimize_reload_address): Same.
        (rs6000_legitimate_address): Same.
        (spe_build_register_parallel): Pass DF and DC modes in a DI
        register.

        * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
        to rs6k_nonimmediate_operand.

        * config/rs6000/spe.md ("*frob_df_di"): New.
        ("*frob_di_df"): New.
        ("*frob_di_df_2"): New.
        ("*mov_sidf_e500_subreg0"): New.
        ("*mov_sidf_e500_subreg4"): New.
        ("*movdf_e500_double"): Change predicate to
        rs6k_nonimmediate_operand.

2005-01-14  Aldy Hernandez  <aldyh@redhat.com>

        * postreload.c (move2add_note_store): Only call
        trunc_int_for_mode on scalar integers.

2005-01-14  Steven Bosscher  <stevenb@suse.de>

        * tree-ssa-dce.c (visited_control_parents): New sbitmap to
        replace BB_VISITED uses.
        (find_obviously_necessary_stmts): Don't clear BB_VISITED.
        (propagate_necessity): Check the bitmap instead of BB_VISITED.
        (tree_dce_done): Free visited_control_parents.
        (perform_tree_ssa_dce): Allocate and clear it.
        * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
        (compute_antic): Iterate from here using a DFS.  Use an sbitmap
        instead of BB_VISITED.

2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>

        * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
        rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
        Remove unused prototypes.

2005-01-14  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
        64-bit register usage.
        (spe_func_has_64bit_regs_p): Add FIXME note.

2005-01-14  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
        flag_finite_math_only with flag_unsafe_math_optimizations.

2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>

        * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
        end-of-stack check.
        (__tpf_eh_return): Copy TPF private stack area from the module
        boundary stack frame.  Add check for when module addresses are
        equal, but no stub address is found.

2005-01-14  Richard Earnshaw  <rearnsha@arm.com>

        PR target/7525
        * arm.h (struct machine_function): Add call_via field.
        (thumb_call_via_label): Declare.
        * arm.c (thumb_call_via_label): New variable.
        (thumb_call_reg_needed): New variable.
        (arm_output_function_epilogue): For Thumb code, output any per-function
        call-indirect trampolines.
        (thumb_call_via_reg): New function.
        (arm_file_end): New function.
        (TARGET_ASM_FILE_END): Call arm_file_end.
        (aof_file_end): Likewise.
        * arm-protos.h (thumb_call_via_reg): Declare.
        * arm.md (call_reg_thumb, call_value_reg_thumb): Call
        thumb_call_via_reg in normal case.

2005-01-14  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/19084
        PR rtl-optimization/19348
        * recog.c (peephole2_optimize): Do global life update if some peephole
        decides it doesn't need at least one of its inputs and that change
        influences liveness at the start of the basic block.

        * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
        arguments instead of 1.

2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR middle-end/18820
        * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
        zero for nested functions needing a static chain or functions
        with a non-constant address.

2005-01-13  Roger Sayle  <roger@eyesopen.com>

        * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
        (and (sign_extend X) C) into (zero_extend (and X C)).

2005-01-13  David O'Brien  <obrien@FreeBSD.org>

        * config/freebsd-spec.h:  Make KSE pthread lib logic the default.

2005-01-13  Richard Henderson  <rth@redhat.com>

        PR target/19009
        PR target/19250
        PR target/19252
        * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
        bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
        not just TARGET_SSE.
        (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
        (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
        (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
        (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
        (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
        (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
        (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
        fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
        (movdicc_c_rex64): Rename with '*'.
        (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
        (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
        (movsfcc_1_387): Rename from movsfcc_1.
        (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
        (movdfcc_1, movdfcc_1_rex64): Add check for 387.
        (sminsf3, smaxsf3, smindf3, smaxdf3): New.
        (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
        mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
        maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
        sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
        sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
        sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
        sse_movdfcc_const0_4): Remove.
        * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
        recognize min/max early.  Update for changed sse cmove patterns.
        (ix86_split_sse_movcc): New.
        * config/i386/i386-protos.h: Update.

2005-01-13  Steven Bosscher  <stevenb@suse.de>

        * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
        (fix_stmt_v_may_defs): Likewise.

2005-01-13  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
        for converting the mask.

2005-01-13  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
        definition to 600.

2005-01-13  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
        IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
        IX86_BUILTIN_MOVDQ2Q): Remove.
        (IX86_BUILTIN_VEC_EXT_V4SI): New.
        (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
        (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
        shuffling.
        * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
        (sse2_pextrw): Fix immediate constraint.
        (sse2_loadq, sse2_loadq_rex64): Remove.
        * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
        Use __builtin_ia32_vec_ext_<size>.
        (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.

2005-01-13  Aldy Hernandez  <aldyh@redhat.com>

        * function.c (assign_parm_setup_block): Look inside original
        entry_parm when inspecting PARALLEL.

2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
            Joel Sherrill  <joel@oarcorp.com>

        PR target/19399
        * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
        (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
        rtems_gxx_recursive_mutex_init.
        (__gthread_recursive_mutex_lock): New function.
        (__gthread_recursive_mutex_trylock): Likewise.
        (__gthread_recursive_mutex_unlock): Likewise.

2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>

        * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.

2005-01-13  Jan Beulich  <jbeulich@novell.com>

        * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
        (ashrti3_internal): Indicate output is early clobber. Generate result
        into output rather than first input. Use move for low word of output
        if shift count is exactly 64.
        (lshrti3_internal): Likewise.

2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>

        PR target/18329
        PR target/18330
        * reload1.c (delete_output_reload): Don't delete an output reload
        if the pseudo lives longer than a single basic block.  Adjust and
        improve wording of comment.

2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/19334
        * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
        of TYPE_SIZE where we mean the number of bytes.

2005-01-12  Aldy Hernandez  <aldyh@redhat.com>

        * function.c (assign_parm_setup_block): Relax condition on
        multi-register optimization.

2005-01-12  Nick Clifton  <nickc@redhat.com>

        * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
        an "in_delay_slot" attribute of "no" to prevent them being used in
        delay slots.  This is forbidden because they might generate
        exceptions.

2005-01-12  Alan Modra  <amodra@bigpond.net.au>

        PR target/19389
        * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
        with r->Y and Y->r.

2005-01-12  Nick Clifton  <nickc@redhat.com>

        * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
        passed on to GAS) but do not define, as GAS no longer supports or
        needs the -m2000 option.

2005-01-11  Roger Sayle  <roger@eyesopen.com>

        * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
        type as args of unprototyped builtins aren't automatically promoted.
        (fold_builtin_abs): Likewise.

2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * Makefile.in: Set a `build-warn' variable.

2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/17949
        * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
        (find_interesting_uses_address): Use it.

2005-01-11  Aldy Hernandez  <aldyh@redhat.com>

        * regrename.c (kill_value): Handle subreg's that won't simplify.

2005-01-11  Richard Henderson  <rth@redhat.com>

        PR target/13366
        * config/i386/i386.h (enum ix86_builtins): Move ...
        * config/i386/i386.c: ... here.
        (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
        IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
        IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
        IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
        IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
        IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
        IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
        IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
        IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
        IX86_BUILTIN_LOADDDUP): Remove.
        (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
        IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
        IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
        IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
        IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
        (ix86_init_builtins): Make static.
        (ix86_init_mmx_sse_builtins): Update for changed builtins.
        (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
        if all the modes match.  Otherwise, fake it.
        (get_element_number, ix86_expand_vec_init_builtin,
        ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
        (ix86_expand_builtin): Make static.  Update for changed builtins.
        (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
        operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
        (ix86_expand_vector_init_duplicate): New.
        (ix86_expand_vector_init_low_nonzero): New.
        (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
        Split out from ix86_expand_vector_init; handle integer modes.
        (ix86_expand_vector_init): Use them.
        (ix86_expand_vector_set, ix86_expand_vector_extract): New.
        * config/i386/i386-protos.h: Update.
        * config/i386/predicates.md (reg_or_0_operand): New.
        * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
        (movv2sf_internal): Likewise.  And a splitter to match them all.
        (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
        vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
        vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
        vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
        (mmx_pinsrw): Fix operand ordering.
        * config/i386/sse.md (movv4sf splitter): Use direct pattern,
        rather than sse_loadss expander.
        (movv2df splitter): Similarly.
        (sse_loadss, sse_loadlss): Remove.
        (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
        (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
        (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
        (sse3_movddup): Rename with '*'.
        (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
        (sse2_loadsd): Remove.
        (vec_dupv2df_sse3): Rename from sse3_loadddup.
        (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
        (sse2_pinsrw): Fix argument ordering.
        (sse2_loadld, sse2_loadq): Add sse1 alternatives.
        (sse2_stored): Remove 'r' destination.
        (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
        vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
        vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
        vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
        vec_extractv16qi, vec_initv16qi): New.

        * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
        (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
        _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
        constructor form.
        (_mm_load_pd, _mm_store_pd): Use plain dereference.
        (_mm_load_si128, _mm_store_si128): Likewise.
        (_mm_load1_pd): Use _mm_set1_pd.
        (_mm_load_sd): Use _mm_set_sd.
        (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
        (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
        (_mm_set_epi64): Use _mm_set_epi64x.
        (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
        _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
        _mm_setr_epi8): Use _mm_set_foo form.
        (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
        (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
        (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
        (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
        * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
        (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
        (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
        (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
        (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
        * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
        (_mm_movedup_pd): Use _mm_shuffle_pd.
        * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
        _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
        (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
        _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
        Use _mm_setzero_ps.
        (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
        (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
        (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
        (_mm_store_ps): Use raw dereference.
        (_mm_store1_ps): Use _mm_storeu_ps.
        (_mm_storer_ps): Use _mm_store_ps.
        (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
        (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.

2005-01-11  Stan Shebs  <shebs@apple.com>

        * config/rs6000/rs6000.c (machopic_output_stub): Issue
        ldu instead of lwzu if 64-bit -mdynamic-no-pic.

2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/18761
        * config/rs6000/rs6000.c (rs6000_special_round_type_align):
        Skip all DECLs except for FIELD_DECLs.

2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (override_options): Return error if
        -mbackchain, -mpacked-stack and -mhard-float are used together.
        (s390_va_start): Remove the backchain && packed-stack special case.
        (s390_gimplify_va_arg): Likewise.
        * doc/invoke.texi: Remove the ABI incompatibility note.

2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (struct s390_frame_layout): Remove
        save_backchain_p.
        (s390_frame_info, s390_emit_prologue): Replace occurrences of
        save_backchain_p with TARGET_BACKCHAIN.

2005-01-11  Alan Modra  <amodra@bigpond.net.au>

        PR target/18916
        * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
        * expr.h (struct locate_and_pad_arg_data): Add "boundary".
        * function.c (locate_and_pad_parm): Set new field.
        (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
        Tweak where_pad test to include "none".  Always set mem align for
        stack_parm.
        (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
        not sufficient for type.
        (assign_parm_setup_block): If stack_parm is zero on entry, always
        make a new stack local.  Block move old stack parm if necessary
        to new aligned stack local.
        (assign_parm_setup_stack): Use a block move to handle
        potentially misaligned entry_parm.
        (assign_parms_unsplit_complex): Specify required alignment when
        creating stack local.
        * calls.c (compute_argument_addresses): Override alignment of stack
        arg calculated from its type with the alignment given by
        FUNCTION_ARG_BOUNDARY.
        (store_one_arg): Likewise.

2005-01-11  Jan Beulich  <jbeulich@novell.com>

        * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
        Change respective itanium_class attribute to ialu.
        (shladdp4_internal): New.
        * config/ia64/predicates.md (shladd_log2_operand): New.

2005-01-11  Richard Henderson  <rth@redhat.com>

        * expr.c (store_constructor): Use rtvec_alloc instead of
        alloca+gen_rtvec_v, and an incorrect number passed to alloca.

2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>

        * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.

2005-01-11  Alan Modra  <amodra@bigpond.net.au>

        * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
        * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
        (TARGET_RWRELOC): Define.
        (ia64_rwreloc_section_type_flags): Delete.
        (ia64_section_type_flags): New function.
        * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
        (TARGET_RWRELOC): Define.

2005-01-10  David Mosberger  <davidm@hpl.hp.com>

        PR target/18987
        * config/ia64/ia64.c (process_set): For alloc insn, only call
        process_epilogue is !frame_pointer_needed.

2005-01-10  Roger Sayle  <roger@eyesopen.com>

        PR c++/19355
        * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
        unary operator and can't be treated as a binary/comparison operator.

2005-01-10  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
        (ix86_return_in_memory): Likewise.
        (function_arg_advance):  Likewise.  Mirror structure in function_arg
        for choosing register to advance.

2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-vectorizer.c, tree.def: Fix comment typos.

2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>

        * config/s390/s390.c (struct processor_costs): 4 new fields:
        ddbr, ddr, debr, der.
        (s390_rtx_costs): More precise handling of divide instructions.

2005-01-10  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.

2005-01-10  Jan Beulich  <jbeulich@novell.com>

        * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
        names resulting from -ffunction-sections/-fdata-sections and linkonce
        ones.
        * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
        based on the section name. Rearrange the section name comparison logic
        slightly so that each section name is compared against at most once.

2005-01-10  Ben Elliston  <bje@au.ibm.com>

        * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
        targets for which -fPIC reduces limitations on the GOT size.

2005-01-09  Falk Hueffner  <falk@debian.org>

        * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
        X/C1 cmpop C2.

2005-01-09  David Edelsohn  <edelsohn@gnu.org>

        PR target/18720
        * collect2.c (main): Set aixrtl_flag for -brtl option.
        (resolve_lib_name): Search for .so file extension before .a
        if aixrtl_flag set.

2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>

        * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
        (vect_analyze_data_refs_alignment): Add dump prints.

2005-01-09  Ira Rosen  <irar@il.ibm.com>

        * tree-vectorizer.c (vect_analyze_offset_expr): Use
        expr_invariant_in_loop_p.
        Initialize outputs first thing in the function.
        (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
        (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
        (vect_analyze_pointer_ref_access): Check that the initial condition of
        the access function is loop invariant.

2005-01-09  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
        (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
        just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
        * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
        mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
        movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
        movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
        sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
        ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
        mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
        mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
        sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
        mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
        mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
        gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
        ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
        mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
        mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
        mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
        eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
        pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
        pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
        pswapdv2sf2): Move to mmx.md; rename as necessary with leading
        mmx_ prefix.
        (mmx_clrdi, pavgusb): Remove.
        (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
        with leading sse_ prefix.
        * config/i386/sse.md: Receive them.
        * config/i386/mmx.md: New file.
        (MMXMODE12, MMXMODE24, mmxvecsize): New.
        (subrv2sf3): Turn into expander for normal subtraction.
        (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
        mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
        mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
        mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
        commutative; use ix86_binary_operator_ok.
        (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
        mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
        mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
        mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
        mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
        Macroize from existing patterns; use ix86_binary_operator_ok.
        (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
        (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
        mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
        with vec_select+vec_concat.
        (mmx_pshufw, mmx_pshufw_1): Likewise.
        (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
        (mmx_uavgv4hi3): Model correctly.
        * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
        _mm_xor_si64): Remove casts.

2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/19224
        * tree-scalar-evolution.c (get_instantiated_value,
        set_instantiated_value): New functions.
        (instantiate_parameters_1): Cache the results.
        (instantiate_parameters, resolve_mixers): Initialize and free
        the cache.

2005-01-08  David Edelsohn  <edelsohn@gnu.org>

        * config/i386/i386.md (addhi_4): Correct reference in comment.
        (addqi_4): Same.

2005-01-08  Richard Henderson  <rth@redhat.com>

        * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
        (_mm_cvtsi128_si64x): Likewise.
        (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
        _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
        the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
        * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
        * config/i386/i386-protos.h: Update.
        * config/i386/i386.c (print_operand): Add 'H'.
        (ix86_fixup_binary_operands): Split out from ...
        (ix86_expand_binary_operator): ... here.
        (ix86_fixup_binary_operands_no_copy): New.
        (ix86_expand_fp_absneg_operator): Handle vector mode results.
        (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
        (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
        (safe_vector_operand): Use CONST0_RTX.
        (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
        (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
        CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
        expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
        special cases.
        * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
        (IX86_BUILTIN_CMPNGESS): New.
        * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
        (attr type): Add sselog1.
        (attr unit, attr memory): Handle it.
        (movti, movti_internal, movti_rex64): Move near other integer moves.
        (movtf, movtf_internal): Move near other fp moves.
        (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
        vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
        movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
        movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
        sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
        sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
        sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
        mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
        rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
        sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
        sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
        sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
        vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
        smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
        cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
        cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
        vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
        vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
        sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
        sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
        cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
        cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
        cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
        cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
        ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
        subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
        smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
        sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
        sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
        sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
        gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
        ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
        ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
        sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
        sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
        sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
        sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
        sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
        sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
        sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
        mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
        addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
        movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
        non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
        same time.
        (SSEPUSH, push<SSEPUSH>): Remove.
        (MMXPUSH, push<MMXPUSH>): Remove.
        (sse_movaps, sse_movaps_1, sse_movups): Remove.
        (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
        (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
        (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
        (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
        (maskncmpv2df3, vmmaskncmpv2df3): Remove.
        (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
        (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
        * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
        (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
        * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
        (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
        (ppro_sse_log_V4SF): Handle sselog1.
        * config/i386/predicates.md (const_0_to_1_operand): New.
        (const_0_to_255_mul_8_operand): New.
        (const_1_to_31_operand): Rename from const_int_1_31_operand.
        (const_2_to_3_operand, const_4_to_7_operand): New.
        * config/i386/sse.md: New file.
        (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
        (sse_movups): Rename from sse_movups_1.
        (sse_loadlss): Rename from sse_loadss_1.
        (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
        from the name.
        (negv4sf2): Use ix86_expand_fp_absneg_operator.
        (absv4sf2, negv2df, absv2df): New.
        (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
        (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
        iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
        smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
        umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
        (sse3_addsubv4sf3): Model correctly.
        sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
        sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
        (sse_movhlps): Model with vec_select+vec_concat.
        (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
        sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
        sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
        sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
        sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
        sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
        sse2_pshufhw_1): Likewise.
        (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
        (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
        sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
        ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
        sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
        ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
        (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
        sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
        mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
        sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
        sminv8hi3): Mark commutative
        operands.  Use ix86_binary_operator_ok.
        (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
        sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
        sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
        sse2_punpcklqdq): Allow operand2 in memory.
        (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
        sse2_movsd): Add memory alternatives.
        (sse_storelps): Turn expander into an insn; split after reload.
        (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
        (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.

2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * configure.ac (DWARF-2 debug_line): Use objdump.
        * configure: Regenerate.

2005-01-08  Jeff Law  <law@redhat.com>
            Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/18241
        * tree-nrv.c (tree_nrv): Ignore volatile return values.
        * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
        statements with volatile operands.
        * tree-ssa-operands.c (add_stmt_operand): Do add volatile
        operands after marking a statement with has_volatile_ops.

2005-01-08  Roger Sayle  <roger@eyesopen.com>

        * tree.c (int_fits_type_p): Always honor integer constant
        TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.

2005-01-08  Roger Sayle  <roger@eyesopen.com>

        * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
        the latent bug in rtl_delete_block has been resolved.

2005-01-08  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
        (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.

2005-01-08  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
        library as @multilib_dir@/$(SHLIB_SONAME).

2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
        * configure: Regenerate.

2005-01-07  Jakub Jelinek  <jakub@redhat.com>

        * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
        TYPE_MODE.

2005-01-07  David Edelsohn  <edelsohn@gnu.org>

        PR target/13674
        * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
        Convert non-word aligned offset address using ld/std into
        indirect address.

2005-01-07  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.

2005-01-07  Richard SAndiford  <rsandifo@redhat.com>

        * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.

2005-01-07  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/19283
        * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
        is not shorter than the original type.

        PR rtl-optimization/19012
        * config/i386/i386.md (addqi_1_slp): Set memory attribute.

        PR rtl-optimization/18861
        * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
        (FULL_STATE): Define.
        (mark_tablejump_edge): New function.
        (purge_dead_tablejump_edges): New function.
        (find_bb_boundaries): Use it.

        PR tree-optimization/18828
        * builtins.c (expand_builtin_next_arg): Remove argument and all
        the argument checking.
        (expand_builtin): Adjust caller.
        (expand_builtin_va_start): Likewise.  Remove error for too many
        arguments.
        (fold_builtin_next_arg): Issue error for too many arguments.
        After checking arguments, replace them with magic arguments that
        prevent further checking of the args.

2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.

2005-01-06  Roger Sayle  <roger@eyesopen.com>

        PR target/6077
        * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
        and %{.S:...} (and their negative variants) to test whether the
        input file is assembler or pre-processed-assembler independent of
        the actual filename extension.

2005-01-06  Roger Sayle  <roger@eyesopen.com>

        * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
        of sign or zero extended values.

2005-01-06  Geoffrey Keating  <geoffk@apple.com>

        * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
        for IBM long double format correctly.

2005-01-06  Daniel Berlin <dberlin@dberlin.org>

        Fix PR tree-optimization/18792

        * tree-data-ref.c (build_classic_dist_vector): Change first_loop
        to first_loop_depth, and use loop depth instead of loop number.
        (build_classic_dir_vector): Ditto.
        (compute_data_dependences_for_loop): Use depth, not loop number.
        * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
        number. Pass in loops, instead of loop numbers.
        (gather_interchange_stats): Ditto.
        (linear_transform_loops): Ditto.

2005-01-06  Richard Sandiford  <rsandifo@redhat.com>

        PR rtl-opt/13299
        * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
        biv_fits_mode_p, extension_within_bounds_p): New functions.
        (check_ext_dependent_givs): Use them.

2005-01-06  Roger Sayle  <roger@eyesopen.com>

        * cfgrtl.c (rtl_delete_block): A basic block may be followed by
        more than one barrier, in which case we should delete them all.

2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * gcc.c (process_command): Change year in 'gcc --version' to 2005.

2005-01-05  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR middle-end/19286
        Fix PR debug/19267
        * dwarf2out.c (gen_subprogram_die): If we've already tried to
        output this subprogram, simply ignore this attempt to do it again.
        (add_abstract_origin_attribute): Don't abort trying to add the abstract
        origin attribute if it's not possible.
        (gen_block_die): Don't ignore subblocks of "unused" blocks.
        (decls_for_scope): Ditto.
        * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
        (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.

2005-01-05  Richard Henderson  <rth@redhat.com>

        PR target/11327
        * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
        (bdesc_2arg): Use it.
        (ix86_expand_binop_builtin): Force operands into registers
        when optimizing.
        (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
        ix86_expand_sse_compare, ix86_expand_sse_comi,
        ix86_expand_builtin): Likewise.

2005-01-05  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
        and VEC_SELECT.
        * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
        (mulv4hi3): Set itanium_class mmmul.
        (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
        (fpack): Rename from fpack_sfsf.

2005-01-05  Richard Henderson  <rth@redhat.com>

        PR rtl-opt/10692
        * reload1.c (do_input_reload): Restrict the optimization deleteing
        a previous output reload to RELOAD_FOR_INPUT.

2005-01-05  Steven Bosscher  <stevenb@suse.de>

        * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
        comment that we fall through after case.
        (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
        (distribute_links): Likewise.
        * cse.c (cse_insn): Likewise.
        * cselib.c (cselib_invalidate_mem): Likewise.
        * df.c: Update comments at the top of the file.
        (read_modify_subreg_p): Update comments here too.
        (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
        * flow.c (mark_set_1): Likewise.
        (mark_used_regs): Likewise.
        * gcse.c (mems_conflict_for_gcse_p): Likewise.
        (canon_list_insert): Likewise.
        (mark_set): Likewise.
        (try_replace_reg): Likewise.
        (store_killed_in_insn): Likewise.
        * loop.c (count_one_set): Likewise.
        (basic_induction_var): Likewise.
        * postreload-gcse.c (find_mem_conflicts): Likewise.
        * postreload.c (reload_combine_note_store): Likewise.
        (move2add_note_store): Likewise.
        * reload.c (find_equiv_reg): Likewise.
        (mark_referenced_resources): Likewise.
        * rtlanal.c (set_noop_p): Likewise.
        (note_stores): Likewise.
        (note_uses): Likewise.
        * sched-deps.c (sched_analyze_1): Likewise.
        * sched-rgn.c (check_live_1): Likewise.
        (update_live_1): Likewise.
        * config/i860/i860.c: Likewise.

        * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
        an lvalue.
        (ZERO_EXTRACT): Mention that this one can be an lvalue.

        * doc/rtl.texi: Update documentation for bit-fields and SET.

2005-01-05  Roger Sayle  <roger@eyesopen.com>

        * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.

2005-01-05  Jan Hubicka  <jh@suse.cz>
            Richard Henderson  <rth@redhat.com>

        PR target/18910
        * config/i386/i386.c (ix86_expand_move): Handle tls symbols
        with an offset.

2005-01-05  Richard Henderson  <rth@redhat.com>

        PR target/12902
        * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
        (sse_shufps): Change operand 3 to const_int_operand.
        (sse2_storelps): Fix typo in template.
        (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
        * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
        (ix86_expand_builtin): Likewise.

2005-01-05  Julian Brown  <julian@codesourcery.com>

        * config/arm/arm.c (arm_return_in_memory): Treat complex types
        as aggregates for AAPCS ABIs.

2005-01-05  Stan Shebs  <shebs@apple.com>

        * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
        Mach-O getters if ppc64.
        * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
        size argument.
        * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
        signed four-byte field for global code case.
        (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.

2005-01-05  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/19100
        * c-common.c: Include real.h.
        (c_common_truthvalue_conversion): Avoid destructively modifying expr.
        Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
        Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
        * Makefile.in (c-common.o): Update dependencies.

2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>

        * c-parse.in (asm_string): Add trailing semicolon.

2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>

        * c-parse.in (asm_string): New.  Don't allow wide strings in
        'asm'.
        (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
        asm_string instead of STRING.

2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>

        * c-typeck.c (constructor_no_implicit): Remove.
        (set_designator, process_init_element): Don't check
        constructor_no_implicit.

2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
            Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/16482
        * lcm.c (create_pre_exit): New.
        (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
        ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.

2004-01-05  Richard Earnshaw  <rearnsha@arm.com>

        * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
        -msoft-float in target_float_switch.
        * arm.c (arm_override_options): Fix processing of target_float_switch.

2004-01-05  Richard Earnshaw  <rearnsha@arm.com>

        * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
        preferencing.

2004-01-05  Uros Bizjak  <uros@kss-loka.si>

        * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
        Replace i387 with 'i386 compiler' in -mfpmath=sse option.

2005-01-04  Roger Sayle  <roger@eyesopen.com>

        * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
        if deleting the then-block allows the test-block to fallthru to the
        else-block.

2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>

        PR c/19152
        * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
        after the full declaration if the are in two different TUs.

2005-01-04  Richard Henderson  <rth@redhat.com>

        PR tree-opt/19158
        * tree-sra.c (generate_one_element_init): Just
        call gimplify_and_add.
        (generate_element_init): Record the
        new referenced variables and mark them for renaming
        and split out to ...
        (generate_element_init_1): This.
        (scalarize_init): Don't call push_gimplify_context/
        pop_gimplify_context.

2005-01-04  Geoffrey Keating  <geoffk@apple.com>

        * toplev.c (get_src_pwd): Handle failure of getpwd().

2005-01-04  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold_single_bit_test): Delete unreachable handling
        of TRUTH_NOT_EXPR.
        (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
        all the cases handled by it are inverted by invert_truthvalue.

2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
        (save_register_windowsi): Likewise.

2005-01-04  Richard Henderson  <rth@redhat.com>

        * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.

2005-01-04  Uros Bizjak  <uros@kss-loka.si>

        PR middle-end/17767
        * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
        any simplifications of vector mode comparison operators.
        * simplify-rtx.c (simplify_relational_operation): Fix variable name.

2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
            Devang Patel  <dpatel@apple.com>

        PR tree-optimization/18308
        * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
        the operands before creating a new expression.
        * dojump.c (do_jump): Make drop_through_label available
        for all cases.  Add expansion of COND_EXPR.

2005-01-04  Ira Rosen  <irar@il.ibm.com>

        * tree-vectorizer.c (vect_analyze_offset_expr): Test for
        INTEGER_CST instead of TREE_CONSTANT.
        (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
        instead of TREE_CONSTANT.
        (vect_analyze_pointer_ref_access): Test for INTEGER_CST
        instead of TREE_CONSTANT.

2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * tree-eh.c (replace_goto_queue): Return early if the queue is empty.

2005-01-04  Uros Bizjak  <uros@kss-loka.si>

        PR target/19240
        * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
        (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).

2005-01-03  Richard Henderson  <rth@redhat.com>

        * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
        (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
        fold_convert_const_real_from_real): Split out from ...
        (fold_convert_const): ... here.

2005-01-03  Richard Henderson  <rth@redhat.com>

        PR target/19235
        * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
        (mov<MMXMODEI>_internal): Likewise.
        (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
        Add V2SF case; use it for SSE1; don't use TI.
        (movdf_integer): Likewise.
        (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.

2005-01-03  Ira Rosen  <irar@il.ibm.com>

        * tree-vectorizer.c (vect_strip_conversions): New function.
        (vect_analyze_offset_expr): Call vect_strip_conversions. Add
        check for binary class.

2005-01-03  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR debug/17924
        Fix PR debug/19191
        * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
        is a decl.
        * gimple-low.c (mark_blocks_with_used_vars): New function.
        (mark_blocks_with_used_subblocks): Ditto.
        (mark_used_blocks): Ditto.
        (pass_mark_used_blocks): New pass.
        * tree-inline.c: Include debug.h.
        (expand_call_inline): Call outlining_inline_function here.
        * tree-optimize.c (init_tree_optimization_passes): Add
        pass_mark_used_blocks.
        * tree-pass.h (pass_mark_used_blocks): New.
        * Makefile.in (tree-inline.o): Add debug.h dependency.

2005-01-03  Geoffrey Keating  <geoffk@apple.com>

        * config/darwin.c (darwin_handle_weak_import_attribute): Permit
        VAR_DECLs to have weak_import attribute.

        * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
        'struct ucontext'.

2004-01-03  Steven Bosscher  <stevenb@suse.de>

        * passes.c (rest_of_compilation): Don't run regmove if only
        flag_expensive_optimizations, require flag_regmove instead.

2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
        register "sparc".
        * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
        * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
        * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
        * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.

2005-01-03  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
        (ia64_const_ok_for_letter_p): New.
        (ia64_const_double_ok_for_letter_p): New.
        (ia64_extra_constraint): New.
        (ia64_expand_vecint_compare): New.
        (ia64_expand_vcondu_v2si): New.
        (ia64_expand_vecint_cmov): New.
        (ia64_expand_vecint_minmax): New.
        (ia64_print_operand): Add 'v'.
        (ia64_preferred_reload_class): New.
        (ia64_vector_mode_supported_p): New.
        * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
        (PREFERRED_RELOAD_CLASS): Move to function.
        (CONST_OK_FOR_LETTER_P): Move to function.
        (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
        (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
        (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
        (EXTRA_CONSTRAINT): Move to function.
        * config/ia64/ia64.md: Include vect.md.
        (itanium_class): Add mmalua.
        (type): Handle it.
        * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
        (1b_mmalua): New.
        * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
        * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
        CONST0_RTX.
        (const_int_2bit_operand): New.
        (fr_reg_or_0_operand): New.
        * config/ia64/ia64-modes.def: Add vector modes.
        * config/ia64/ia64-protos.h: Update.
        * config/ia64/vect.md: New file.

2005-01-03  Richard Henderson  <rth@redhat.com>

        * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.

2005-01-03  Uros Bizjak  <uros@kss-loka.si>

        PR target/19236
        * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
        to SFmode.
        (log1pdf2): Change mode of operands[0,1] to DFmode.

2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
        * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
        * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
        * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
        SPARC_RELAXED_ORDERING.

2005-01-03  Richard Henderson  <rth@redhat.com>
            Uros Bizjak  <uros@kss-loka.si>

        PR target/14631
        * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
        IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
        * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
        handling.
        (*mmx_pinsrw, *sse2_pinsrw): New patterns.
        * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
        const_pow2_1_to_128_operand): New predicates.

2005-01-02  Greg McGary  <greg@mcgary.org>

        * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
        anonymous decls.
        (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
        object.  [ptr_type]: Remove unused variable.
        Remember nearest addressable array-element or record-component
        when checking bitfield components.  Tolerate empty BIND_EXPR.

2005-01-01  Richard Henderson  <rth@redhat.com>

        * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
        that don't narrow the value.  Fail for other conversions.

2005-01-01  Richard Henderson  <rth@redhat.com>

        PR c/19031
        * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
        * c-lang.c (finish_file): Don't do it here.
        * objc/objc-act.c (objc_finish_file): Likewise.

        * cgraph.c (decl_assembler_name_equal): New.
        (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
        (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
        * cgraph.h (struct cgraph_varpool_node): Add next.
        (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
        * varasm.c (assemble_alias): Mark the target as needed.

2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/19221
        * function.c (get_arg_pointer_save_area): Use entry_of_function
        instead of get_insns.

2005-01-01  Roger Sayle  <roger@eyesopen.com>
            Andrew Pinski  <pinskia@physics.uc.edu>
            James E. Wilson  <wilson@specifixinc.com>

        PR rtl-optimization/12092
        * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
        is zero.

2005-01-01  Roger Sayle  <roger@eyesopen.com>
            Olivier Hainque  <hainque@act-europe.fr>

        * tree.c (int_fits_type_p): A narrower type always fits in a
        wider one, except for negative values into unsigned types.

2005-01-01  Roger Sayle  <roger@eyesopen.com>

        * tree.c (int_fits_type_p): Compare the result of force_fit_type
        with the original constant rather than require TREE_OVERFLOW.

2005-01-01  Steven Bosscher  <stevenb@suse.de>

        PR middle-end/17544
        * c-decl.c (finish_function): If compiling C99, annotate the
        compiler generated return with the current file name and line 0.
        * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
        the source line is greater than 0.
        (remove_bb): Likewise.