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

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  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,