gcc/

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

2005-12-26  Kazu Hirata  <kazu@codesourcery.com>

        PR tree-optimization/25125
        * convert.c (convert_to_integer): Don't narrow the type of a
        PLUX_EXPR or MINUS_EXPR if !flag_wrapv and the unwidened type
        is signed.

2005-12-26  Graham Stott  <graham.stott@btinternet.com>

        PR middle-end/25568
        * combine.c (simplify_shift_const_1 <case PLUS>):Fix enable-checking
        rtl bootstrap failure.

2005-12-25  Kazu Hirata  <kazu@codesourcery.com>

        * final.c (compute_alignments): Make it static.
        * gcse.c (gcse_main, bypass_jumps): Likewise.
        * web.c (web_main): Likewise.
        * output.h: Remove the prototype for compute_alignments.
        * rtl.h: Remove the prototypes for web_main, gcse_main, and
        bypass_jumps.

2005-12-24  Roger Sayle  <roger@eyesopen.com>

        * expr.c (force_operand): Use expand_fix and expand_float to
        implement integer <-> FP conversions instead of convert_to_mode.

2005-12-24  Mark Mitchell  <mark@codesourcery.com>

        PR c++/23171
        * varasm.c (initializer_constant_valid_p): An ADDR_EXPR of a
        CONSTRUCTOR is invalid.

2005-12-23  Daniel Berlin  <dberlin@dberlin.org>

        * tree-pass.h (pass_eliminate_useless_stores): Remove.
        * tree-ssa-pre.c (is_copy_stmt): Ditto.
        (follow_copies_till_vuse): Ditto.
        (do_eustore): Ditto.
        (gate_eustores): Ditto.
        (pass_eliminate_useless_stores): Ditto.
        * passes.c (init_optimization_passes): Ditto.

2005-12-23  Paolo Bonzini  <bonzini@gnu.org>

        * combine.c (simplify_shift_const): Fix typo.  Use, whenever
        applicable, simplify_const_binary_operation.

        (simplify_shift_const): Leave only the fallback
        case when no simplification is possible.  Extract to...
        (simplify_shift_const_1): ... here.  Always create a new
        RTX instead of substituting.  Remove the signed_count variable.
        Return NULL_RTX if no substitution is possible.

        (simplify_and_const_int): Leave only the fallback
        case when no simplification is possible.  Extract to...
        (simplify_and_const_int_1): ... here.  Always create a new
        RTX instead of substituting.  Return NULL_RTX if no substitution
        is possible.

        (force_to_mode, simplify_comparison): Don't pass a non-NULL first
        parameter to simplify_and_const_int and simplify_shift_const,
        unless it is equal to the expected non-simplified result.

2005-12-23  Jakub Jelinek  <jakub@redhat.com>

        PR target/25005
        * regrename.c (replace_oldest_value_reg): Use validate_change with
        IN_GROUP set to 1 instead of doing direct modifications.
        (copyprop_hardreg_forward_1): Likewise.  If any replace_oldest_*
        replacements have been performed on an instruction, use
        apply_change_group ().

2005-12-23  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/arit.c (do_31div): Clarify what "31" refers to.
        [L_divsi3] (__Udiv): Don't use as inline function.
        [L_modsi3] (__Umod): Ditto.
        (__Div): Rearrange to call do_31div directly instead of __Udiv.
        (__Mod): Similarly regarding __Umod.

        PR target/24342
        * config/cris/cris.c (cris_split_movdx): Add REG_INC notes for
        emitted insns with post-increments.
        (cris_expand_epilogue): Ditto.

2005-12-22  Jakub Jelinek  <jakub@redhat.com>
            Richard Henderson  <rth@redhat.com>

        Merge from gomp-branch.
        * builtins.def: Move all DEF_SYNC_BUILTIN to ...
        * sync-builtins.def: ... new file.
        (BUILT_IN_FETCH_AND_ADD_16,
        BUILT_IN_FETCH_AND_SUB_16, BUILT_IN_FETCH_AND_OR_16,
        BUILT_IN_FETCH_AND_AND_16, BUILT_IN_FETCH_AND_XOR_16,
        BUILT_IN_FETCH_AND_NAND_16, BUILT_IN_ADD_AND_FETCH_16,
        BUILT_IN_SUB_AND_FETCH_16, BUILT_IN_OR_AND_FETCH_16,
        BUILT_IN_AND_AND_FETCH_16, BUILT_IN_XOR_AND_FETCH_16,
        BUILT_IN_NAND_AND_FETCH_16, BUILT_IN_BOOL_COMPARE_AND_SWAP_16,
        BUILT_IN_VAL_COMPARE_AND_SWAP_16, BUILT_IN_LOCK_TEST_AND_SET_16,
        BUILT_IN_LOCK_RELEASE_16): New builtins.
        * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
        BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
        * builtins.c (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
        * c-common.c (enum c_builtin_type): Move to top-level from
        c_common_nodes_and_builtins enum builtin_type.
        (builtin_types): Move from c_common_nodes_and_builtins.
        (def_fn_type): New.
        (c_common_nodes_and_builtins): Use it.
        (def_builtin_1): Check for error_mark_node.
        (sync_resolve_size): Handle also 128 bit sync builtins.
        * Makefile.in (BUILTINS_DEF): New.  Use it instead of builtins.def.

        * config/i386/i386.h (x86_cmpxchg8b, x86_cmpxchg16b): New decls.
        (TARGET_CMPXCHG8B, TARGET_CMPXCHG16B): Define.
        * config/i386/i386.c (x86_cmpxchg8b, x86_cmpxchg16b): New variables.
        * config/i386/sync.md (CASMODE, DCASMODE): New mode macros.
        (doublemodesuffix, DCASHMODE): New mode attrs.
        (sync_compare_and_swap<mode>): Change into expand, use CASMODE
        instead of IMODE, if mode is wider than a word, expand into
        sync_double_compare_and_swap*.
        (*sync_compare_and_swap<mode>): New insn.
        (sync_double_compare_and_swap<mode>): Likewise.
        (*sync_double_compare_and_swapdi_pic): Likewise.
        (sync_compare_and_swap_cc<mode>): Use CASMODE instead of IMODE, if
        mode is wider than a word, expand into
        sync_double_compare_and_swap_cc*.
        (sync_double_compare_and_swap_cc<mode>): New insn.
        (*sync_double_compare_and_swap_ccdi_pic): Likewise.

2005-12-22  Richard Henderson  <rth@redhat.com>

        * config/i386/mmintrin.h (_mm_add_si64): Only define for SSE2.
        (_mm_sub_si64): Likewise.
        * config/i386/xmmintrin.h (_mm_shuffle_pi16, _m_pshufw): Likewise.

2005-12-23  Alan Modra  <amodra@bigpond.net.au>

        PR rtl-optimization/25432
        * reload1.c (eliminate_regs_in_insn): Update insn code on
        successfully re-recognizing modified insn.

2005-12-22  Richard Guenther  <rguenther@suse.de>

        * tree.c (tree_fold_gcd): Use build_int_cst where appropriate.
        * tree-ssa-loop-ivcanon.c (create_canonical_iv): Likewise.
        * varasm.c (array_size_for_constructor): Likewise.
        * fold-const.c (size_diffop, invert_truthvalue,
        optimize_bit_field_compare, make_range, build_range_check,
        fold_cond_expr_with_comparison, fold_truthop,
        fold_single_bit_test_into_sign_test, fold_binary): Likewise.

2005-12-22  Dale Johannesen  <dalej@apple.com>

        * config/i386/sse.md (sse_movhlps):  Reverse operands for
        2nd and 3rd alternatives.

2005-12-22  Andrew Pinski <pinskia@physics.uc.edu>

        PR tree-opt/25513
        * tree-dfa.c (make_rename_temp): Set DECL_COMPLEX_GIMPLE_REG_P complex
        variables.

2005-12-22  Zdenek Dvorak <dvorakz@suse.cz>
            Steven Bosscher <stevenb@suse.de>

        * df.c (df_bitmaps_free): Only work for bbs for that structures are
        allocated.
        (df_bb_modify): Realloc tables to the new index.
        (df_find_use): New function.
        (df_find_def, df_reg_used): Handle subregs.
        * df.h (df_find_use): Declare.

        * loop-invariant.c: Include hashtab.h.
        (struct invariant): Remove processed field, add eqto and reg fields.
        (struct invariant_expr_entry): New.
        (invariant_for_use, hash_invariant_expr_1, invariant_expr_equal_p,
        hash_invariant_expr, eq_invariant_expr, find_or_insert_inv,
        find_identical_invariants, merge_identical_invariants): New functions.
        (create_new_invariant): Return the new invariant.  Initialize new
        fields.
        (find_invariants): Call merge_identical_invariants.
        (get_inv_cost, best_gain_for_invariant, set_move_mark,
        move_invariant_reg): Handle equivalent invariants.
        * Makefile.in (loop-invariant.o): Add HASHTAB_H dependency.

2005-12-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        PR c++/23333
        * c-lex.c (c_lex_with_flags): Add PURE_ZERO to cpp_flags if
        number is a single digit '0'.

2005-12-22  Kazu Hirata  <kazu@codesourcery.com>

        PR tree-optimization/23518
        * fold-const.c (make_range): Don't move a constant to the
        other side of the comparison if the type is signed and -fwrapv
        is given.

2005-12-22  Kazu Hirata  <kazu@codesourcery.com>

        * tree-vrp.c (extract_range_from_binary_expr): Clean up uses
        of vr0.type.

2005-12-21  Joseph S. Myers  <joseph@codesourcery.com>

        PR middle-end/24998
        * config/arm/t-arm-elf (LIB1ASMFUNCS): Add _floatundidf and
        _floatundisf.

2005-12-21  Andrew Haley  <aph@redhat.com>

        PR middle-end/25121
        * recog.c (peephole2_optimize): Don't peephole any
        RTX_FRAME_RELATED_P insns.

2005-12-21  Kazu Hirata  <kazu@codesourcery.com>

        * tree-data-ref.c (estimate_niter_from_size_of_data): Replace
        fold_build2 with fold_binary.
        * tree-ssa-ccp.c (visit_assignment, maybe_fold_stmt_addition):
        Replace fold_build1 with fold_unary.
        * tree-ssa-reassoc.c (optimize_ops_list): Replace fold_build2
        with fold_binary.

2005-12-21  Steven Bosscher  <stevenb@suse.de>

        PR rtl-optimization/25196
        * postreload-gcse.c (record_last_set_info): Notice stack pointer
        changes in push insns without REG_INC notes.

2005-12-21  Kazu Hirata  <kazu@codesourcery.com>

        PR tree-optimization/25382.
        * tree-vrp.c (extract_range_from_binary_expr): Extract a range
        from BIT_AND_EXPR.

2005-12-21  Janis Johnson  <janis187@us.ibm.com>
            Ben Elliston  <bje@au.ibm.com>

        * configure.ac: Enable C extension for decimal float if invoked
        with --enable-decimal-float.
        * doc/install.texi (Configuration): Document it.
        * configure, config.in: Regenerate.

2005-12-20  Mike Stump  <mrs@apple.com>

        * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Handle the
        ambiguity between -seg_addr_table and -seg_addr_table_filename.
        (WORD_SWITCH_TAKES_ARG): Likewise.
        (LINK_SPEC): Likewise.

2005-12-20  Kenneth Zadeck <zadeck@naturalbridge.com>

        * cfganal.c (flow_reverse_top_sort_order_compute):
        Renamed to post_order_compute and additional parameter added which
        allows the inclusion of entry and exit blocks into list.
        (mark_dfs_back_edges): Fixed comment.
        (flow_depth_first_order_compute): Renamed to
        pre_and_rev_post_order_compute additional parameter added which
        allows the inclusion of entry and exit blocks into list.
        * global.c (set_up_bb_rts_numbers): Call to
        flow_reverse_top_sort_order_compute renamed to
        post_order_compute.
        * var-tracking.c (vt_stack_adjustments): Fixed comment.
        (vt_find_locations): Call to
        flow_depth_first_order_compute renamed to
        pre_and_rev_post_order_compute.
        * cfgloop.c (flow_find_loops): Ditto.
        * tree-ssa-reassoc.c (init_reassoc): Ditto.
        * df.c (df_analyze_1, df_analyze_subcfg): Calls to
        flow_reverse_top_sort_order_compute renamed to post_order_compute
        and calls to flow_reverse_top_sort_order_compute renamed to
        post_order_compute.
        * basic_block.h: Ditto.


2005-12-20  Roger Sayle  <roger@eyesopen.com>
            Paolo Bonzini  <bonzini@gnu.org>

        PR rtl-optimization/25115
        * gcse.c (pre_insert_copy_insn): Fall back to the sole
        SET in the insn if there is no SET for an
        expression that is equivalent to EXPR.

2005-12-20  Richard Guenther  <rguenther@suse.de>

        PR middle-end/24306
        * builtins.c (std_gimplify_va_arg_expr): Do not align
        va frame for zero sized types.
        * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.

2005-12-20  Kazu Hirata  <kazu@codesourcery.com>

        PR tree-optimization/25501
        * tree-cfgcleanup.c (merge_phi_nodes): Check that RESULT is
        used in the PHI argument corresponding to the edge from BB to
        DEST.

2005-12-20  Richard Guenther  <rguenther@suse.de>

        Revert
        2005-12-02  Richard Guenther  <rguenther@suse.de>

        * tree-cfg.c (mark_used_vars): New function.
        (dump_function_to_file): Dump only used VAR_DECLs.

2005-12-19  Roger Sayle  <roger@eyesopen.com>

        * combine.c (try_combine): Improve splitting of binary operators
        by taking advantage of reassociative transformations.

2005-12-19  Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (thread_across_edge): Do not use local_fold.
        Strip away all type conversions after simplifying the
        condition.

        * tree-cfgcleanup.c (merge_phi_nodes): Allow merging in some
        cases the forwarder block dominates the destination.

2005-12-19  DJ Delorie  <dj@redhat.com>

        * reload1.c (spill_failure): Dump reload data to dump file.
        (find_reload_regs): Likewise.

2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>

        PR tree-optimization/24793
        * tree-ssa-loop-ivopts.c (get_ref_tag): Remember the
        original reference if there are subvars.
        * tree-ssa-operands.c (get_tmr_operands): Handle subvars.

2005-12-19  Kenneth Zadeck <zadeck@naturalbridge.com>

        * df.c (df_analyze_1, df_analyze_subcfg, iterative_dataflow):
        Corrected basic block number calculations for changes in entry and
        exit numbering.
        
2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>

        * tree-flow.h (struct var_ann_d): Change type of
        may_aliases field to VEC(tree, gc) *.
        (may_aliases): Declaration changed.
        * tree-ssa-alias.c (group_aliases, add_may_alias,
        replace_may_alias, dump_may_aliases_for,
        is_aliased_with, add_type_alias, new_type_alias):
        Work with VEC(tree, gc) * instead of varray.
        * tree-flow-inline.h (may_aliases): Ditto.
        * tree-ssa.c (verify_flow_insensitive_alias_info,
        verify_name_tags): Ditto.
        * tree-ssa-operands.c (add_stmt_operand): Ditto.

2005-12-19  J"orn Rennecke <joern.rennecke@st.com>

        * cfgcleanup.c: Temporarily revert patches for PR 20070 till Bernd
        comes back.

2005-12-19  J"orn Rennecke <joern.rennecke@st.com>

        * struct-equiv.c (struct_equiv_improve_checkpoint): Fix sets_cc0_p
        check.

2005-12-19  Ben Elliston  <bje@au.ibm.com>

        * doc/install.texi (Configuration): Typo in Fortran subheading.

2005-12-19  Nathan Sidwell  <nathan@codesourcery.com>

        * config/mt/mt.md (decrement_and_branch_until_zero): Add another
        scratch.  Correct its reload split. Adjust its peephole.
        (doloop_end): Add additional scratch.
        (nop): Use 'nop'.
        * config/mt/mt.c (MT_INT_ARG_FIRST): Remove.
        (mt_asm_output_opcode, mt_print_operand): Use 'nop'.
        (mt_function_arg_slotno): Use FIRST_ARG_REGNUM.
        (mt_builtin_saveregs): Replace with ...
        (mt_setup_incoming_varargs): ... here.  Save just the varadic
        args.
        (mt_va_start): Remove.
        (mt_reorg_hazard): Ignore USE insns.  Don't call set_noop_p.
        (mt_machine_reorg): Split all insns here.
        (TARGET_SETUP_INCOMING_VARARGS): Override.
        * config/mt/mt.h (TARGET_CPU_CPP_BUILTINS): Define __mt__ only.
        Set to CPU type.
        (EXPAND_BUILTIN_VA_START): Remove.

2005-12-17  Kenneth Zadeck <zadeck@naturalbridge.com>

        * flow.c (update_life_info, count_or_remove_death_notes): Fixed
        latent bug that could happen if update_life_info was called with a
        blocks parameter and the call to cleanup_cfg actually deleted one
        of those blocks. 

2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>

        * tree-ssa-structalias.c (update_alias_info): Remove handling
        of may_be_aliased (SSA_NAME_VAR (op)) case.

2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>

        * tree-flow.h (struct stmt_ann_d): Remove
        makes_aliased_loads and makes_aliased_stores fields.
        * tree-ssa-ccp.c (likely_value): Do not use makes_aliased_stores
        and makes_aliased_loads fields.
        * tree-ssa-dom.c (eliminate_redundant_computations): Do not
        use makes_aliased_stores.
        * tree-ssa-operands.c (clobbered_aliased_loads,
        clobbered_aliased_stores, ro_call_aliased_loads): Removed.
        (build_ssa_operands, add_stmt_operand, add_call_clobber_ops,
        add_call_read_ops): Do not set makes_aliased_stores and
        makes_aliased_loads fields.
        * tree-ssa.c (verify_ssa): Do not verify makes_aliased_stores
        field.

2005-12-18  Geoffrey Keating  <geoffk@apple.com>

        * config/darwin.h: Don't include darwin-sections.def to declare
        global variables; instead create darwin_section_enum.
        (darwin_section_enum): New.
        (darwin_sections): New.
        * config/darwin.c: Don't include darwin-sections.def to define
        global variables.
        (darwin_sections): New.
        (output_objc_section_asm_op): Rewrite to take advantage of
        darwin_sections.
        (darwin_init_sections): Rewrite to use darwin_sections.
        (machopic_output_indirection): Update for darwin_sections array.
        (machopic_select_section): Likewise.
        (machopic_select_rtx_section): Likewise.
        (machopic_asm_out_constructor): Likewise.
        (machopic_asm_out_destructor): Likewise.
        (darwin_file_end): Likewise.
        * config/rs6000/rs6000.c (machopic_output_stub): Likewise.
        * config/i386/i386.c (machopic_output_stub): Likewise.

2005-12-18  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/25481
        * tree-ssa-structalias.c (handle_ptr_arith): Handle accesses we
        don't have a varinfo for.

2005-12-18  Jon Grimm  <jgrimm2@us.ibm.com>
            Janis Johnson  <janis187@us.ibm.com>
            Ben Elliston  <bje@au.ibm.com>

        * optabs.c (init_floating_libfuncs): Handle decimal float modes.
        (init_optabs): Handle libfuncs for decimal float.
        * genopinit.c (gen_insn): Handle MODE_DECIMAL_FLOAT.
        * stor-layout.c (int_mode_for_mode): Likewise.
        * simplify-rtx.c (simplify_immed_subreg): Likewise.
        (simplify_unary_operation_1): Skip optimisations for decimal float
        modes.
        * varasm.c (output_constant_pool_2): Handle MODE_DECIMAL_FLOAT.
        * emit-rtl.c (gen_const_vector): Add assertion check.
        (init_emit_once): Populate const_tiny_rtx with constants in each
        decimal float mode.
        * expmed.c (extract_high_half, expand_mult_highpart_optab,
        expand_mult_highpart): Assert that mode is not a scalar float
        mode.
        * expr.c (convert_move): Handle conversion between decimal and
        binary floats of the same size.
        * convert.c (convert_to_real): Consider decimal float types when
        folding.
        * dwarf2out.c (base_type_die): Use DW_ATE_decimal_float to
        describe decimal floating point types.
        
2005-12-18  Ulrich Weigand  <uweigand@de.ibm.com>

        PR rtl-optimization/21041
        * reload.c (find_reloads_subreg_address): Replace paradoxical
        subreg of MEM by widened access only if the resulting memory
        is properly aligned, even on !STRICT_ALIGNMENT targets.

2005-12-18  Andreas Krebbel  <krebbel1@de.ibm.com>

        * tree-cfg.c (tree_flow_call_edges_add): Check for empty basic blocks.

2005-12-18  Steven Bosscher  <stevenb@suse.de>

        * gcse.c (gcse_main, bypass_jumps): Fix non-GNU-isms from
        the 2005-12-17 patch to renumber the entry and exit blocks.

2005-12-18  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * doc/objc.texi (Type encoding): Fix typo.

2005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * tree-tailcall.c (find_tail_calls): Use XNEW.
        * tree-ssa-dom.c (allocate_edge_info): Use XCNEW.
        (free_all_edge_infos): Use explicit cast to convert from void *.
        (vrp_free): Likewise.
        (dom_opt_finalize_block): Likewise.
        (record_equivalences_from_incoming_edge): Likewise.
        (thread_across_edge): Likewise.  Use XCNEWVEC.
        (record_cond): Use XCNEW.
        (record_conditions): Use XNEWVEC.
        (record_edge_info): Use XCNEWVEC.
        (lookup_avail_expr): Use XNEW.
        (record_range): Likewise.  Use GGC_NEW.
        * tree-nested.c (var_map_hash): Use explicit cast to convert from
        void *.
        (var_map_eq): Likewise.
        (lookup_field_for_decl): Likewise.
        (convert_nonlocal_reference): Likewise.
        (convert_local_reference): Likewise.
        (convert_nl_goto_reference): Likewise.
        (convert_nl_goto_receiver): Likewise.
        (convert_call_expr): Likewise.
        (convert_tramp_reference): Likewise.
        (lookup_tramp_for_decl): Likewise.Use GGC_NEW.
        (convert_nl_goto_reference): Likewise.
        (lookup_field_for_decl): Use GGC_NEW.
        (create_nesting_tree): Use GGC_CNEW.
        * tree-ssa-phiopt.c (blocks_in_phiopt_order): Use XNEWVEC.
        * tree-ssa-alias.c (init_alias_info): Use XCNEW.
        (create_alias_map_for): Likewise.
        (setup_pointers_and_addressables): Use XCNEWVEC.
        (get_ptr_info): Use GGC_NEW.
        (used_part_map_eq): Use explicit cast to convert from void *.
        (up_lookup): Likewise.
        (up_insert): Use XNEW.
        (get_or_create_used_part_for): Use XCNEW.
        (get_tmt_for): Likewise.
        * tree-ssa-operands.c (ssa_operand_alloc): Use GGC_NEW.
        * tree-ssa-pre.c (phi_trans_add): Use XNEW.
        (bitmap_set_new): Use explicit cast to convert from void *.
        (set_new): Likewise.
        (insert_into_set): Likewise.
        (pool_copy_list): Likewise.
        (phi_translate): Likewise.
        (create_value_expr_from): Likewise.
        (insert_aux): Use XCNEWVEC.
        (compute_avail): Use XNEWVEC.
        * tree-ssa-live.c (calculate_live_on_entry): Likewise.
        (sort_coalesce_list): Likewise.
        (build_tree_conflict_graph): Use XCNEWVEC.
        * tree-ssa-dce.c (tree_dce_init): Use XNEWVEC.
        * tree-ssa-copy.c (init_copy_prop): Likewise.
        (fini_copy_prop): Likewise.
        * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use XNEW
        and XCNEWVEC.
        (record_equiv): Use XNEW.
        (uncprop_into_successor_phis): Use explicit cast to convert from
        void *.
        (uncprop_initialize_block): Likewise.

2005-12-18  Dorit Nuzman  <dorit@il.ibm.com>

        PR tree-optimization/24378      
        * tree-vect-transform.c (vect_transform_loop): Create single-predecessor
        basic-block after loop-versioning. 

2005-12-18  Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Code
        to simplify SWITCH_EXPR_CODE moved from here to ...
        * tree-ssa-forwprop.c (simplify_switch_expr): Here.
        (tree-ssa-forward_propagate_single_use_vars): Call
        simplify_switch_expr when appropriate.

2005-12-17  Andrew Pinski  <pinskia@physics.uc.edu>

        * doc/objc.texi (Type encoding): Add documentation about encoding
        complex types and _Bool.

2005-12-17  Paul Brook  <paul@codesourcery.com>

        * config/m68k/m68k.md (m68k_output_function_prologue): Always call
        dwarf2out_def_cfa. Only add space for frame pointer to cfa_offset
        when frame_pointer_needed. 

2005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * tree-vn.c (vn_add): Use XNEW.
        * tree-ssa-ccp.c (ccp_initialize): Use XNEWVEC.
        (ccp_fold): Likewise.
        (fold_stmt_r): Use explicit cast to convert from void *.
        * tree-outof-ssa.c (new_temp_expr_table): Use XCNEWVEC.
        (new_temp_expr_table): Likewise.
        * gimplify.c (lookup_tmp_var): Use XNEW.
        (gimplify_asm_expr): Use explcit cast to convert from void *.
        * tree-into-ssa.c (get_ssa_name_ann): Likewise.
        (get_def_blocks_for): Use XNEW.
        (add_to_repl_tbl): Likewise.
        (mark_def_sites): Use explicit cast to convert from void *.
        (def_blocks_free): Likewise.
        (mark_def_sites_initialize_block): Likewise.
        (update_ssa): Use XNEWVEC.
        * tree-dfa.c (create_var_ann): Use GGC_NEW.
        (create_stmt_ann): Likewise.
        (create_tree_ann): Likewise.
        (referenced_var_insert): Likewise.
        (set_default_def): Likewise.
        (referenced_var_lookup_if_exists): Use explicit cast to convert
        from void *.
        (referenced_var_lookup): Likewise.
        (default_def): Likewise.
        (set_default_def): Likewise.
        * tree-cfg.c (create_bb): Likewise.
        (edge_to_cases_cleanup): Likewise.
        (verify_node_sharing): Likewise.
        (record_switch_edge): Use XNEW.
        (cleanup_dead_labels): Use XCNEWVEC.
        (tree_duplicate_sese_region): Use XNEWVEC.
        * tree-scalar-evolution.c (get_instantiated_value): Likewise.
        * tree-ssa.c (verify_ssa): Use XCNEWVEC.
        (int_tree_map_eq): Use explicit cast to convert from void *.
        * libgcov.c (gcov_exit): Use explicit cast to convert from void *.
        (__gcov_execl): Likewise.
        (__gcov_execlp): Likewise.
        (__gcov_execle): Likewise.
        * tree-eh.c (struct_ptr_eq): Likewise.
        (struct_ptr_hash): Likewise.
        (lookup_stmt_eh_region_fn): Likewise.
        (outside_finally_tree): Likewise.
        (find_goto_replacement): Likewise.
        (make_eh_edge): Likewise.
        (mark_eh_edge): Likewise.
        (add_stmt_to_eh_region_fn): Use GGC_NEW.
        (record_in_finally_tree): Use XNEW.
        (maybe_record_in_goto_queue): Use XRESIZEVEC.
        (lower_try_finally_copy): Use XCNEWVEC.

2005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * tree-inline.c (copy_body_r): Use explicit cast when converting
        from void *.
        (copy_bb): Likewise.
        (copy_edges_for_bb): Likewise.
        (remap_decl_1): Likewise.
        (estimate_num_insns_1): Likewise.
        * cgraph.c (hash_node): Use explicit cast when converting from
        void *.
        (eq_node): Likewise.
        (cgraph_create_node): Use GGC_CNEW.
        (cgraph_create_edge): Use GGC_NEW.
        (cgraph_remove_node): Use explicit cast when converting from void *.
        (hash_varpool_node): Likewise.
        (eq_varpool_node): Likewise.
        (cgraph_varpool_node): Use GGC_CNEW.
        * lambda.h (lambda_vector_new): Use GGC_CNEWVEC.
        * tree-scalar-evolution.c (new_scev_info_str): Use XNEW.
        (eq_scev_info): Use explicit cast when converting from void *.
        (find_var_scev_info): Likewise.
        (set_instantiated_value): Likewise.
        (gather_stats_on_scev_database_1): Likewise.
        * cfgloop.h (simple_loop_desc): Use explicit cast when converting
        from void *.
        * c-pch.c (c_common_write_pch): Use XNEWVEC.
        (c_common_read_pch): Likewise.
        * prefix.c (save_string): Use XNEWVEC.
        (translate_name): Use explicit cast when converting from void *.
        * c-ppoutput.c (print_line): Use explicit cast when converting
        from void *.
        (pp_dir_change): Likewise.
        * c-cppbuiltin.c (builtin_define_std): Likewise.
        (builtin_define_with_value): Likewise.
        (builtin_define_with_value_n): Likewise.
        (builtin_define_with_int_value): Likewise.
        (builtin_define_type_max): Likewise.
        * c-incpath.c (add_env_var_paths): Use XNEWVEC.
        (add_path): Use XNEW.
        * c-format.c (check_format_info_main): Use GGC_NEW.
        (format_type_warning): Use explicit cast when converting from void *.
        * c-typeck.c (alloc_tagged_tu_seen_cache): Use XNEW instead of
        xmalloc. 
        (start_init): Likewise.
        * tree-flow-inline.h (first_referenced_var): Use explicit cast
        when converting from void *.
        (next_referenced_var): Likewise.
        * c-pragma.c (push_alignment): Use GGC_NEW instead of ggc_alloc.
        * gensupport.c (lookup_predicate): Use explicit cast to convert
        from void *.
        (init_predicate_table): Use XCNEW instead of xcalloc.
        * genpreds.c (process_define_predicate): Likewise.

2005-12-17  Danny Berlin <dberlin@dberlin.org>
            Kenneth Zadeck <zadeck@naturalbridge.com>

        * basic-block.h: Changed basic block numbering so that the entry
        block is 0 and the exit block is 1.  Changed insn iterators so
        that they are tolerant of blocks with no insns.
        * regrename.c (copyprop_hardreg_forward): Changed basic block
        numbering so that the entry block is 0 and the exit block is 1.
        * sched-ebb.c (sehedule_ebbs): Ditto.
        * tracer.c (branch_ratio_cutoff): Ditto.
        * cfgloopmanip.c (fix_loop_structure): Ditto.
        * cfghooks.c (verify_flow_info): Ditto.
        * cfg.c (compact_blocks): Ditto.
        * reorg.c (dbr_schedule): Ditto.
        * flow.c (calculate_global_regs_live, libcall_dead_p): Ditto.
        * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
        calculate_dominance_info): Ditto.
        * cfganal.c (create_edge_list, print_edge_list,
        flow_depth_first_order_compute, flow_dfs_compute_reverse_init,
        flow_dfs_compute_reverse_add_bb, flow_dfs_compute_reverse_execute,
        dfs_enumerate_from): Ditto.
        * global.c (global_alloc, set_up_bb_rts_numbers): Ditto.
        * ifcvt.c (find_if_case_2): Ditto.
        * cfgbuild.c (control_flow_insn_p, count_basic_blocks,
        find_basic_blocks): Ditto.
        * predict.c (predict_loops, tree_bb_level_predictions,
        predict_paths_leading_to, propagate_freq): Ditto.
        * lcm.c (compute_antinout_edge, compute_laterin,
        compute_available): Ditto.
        * function.c (thread_prologue_and_epilogue_insns): Ditto.
        * gcse.c (gcse_main, bypass_jumps): Ditto.
        * profile.c (compute_branch_probabilities,
        compute_value_histograms, branch_prob): Ditto.
        * tree-flow-inline.h (bsi_start, bsi_after_labels,
        bsi_last): Ditto.
        * tree-ssa-phiopt.c (tree_ssa_phiopt,
        blocks_in_phiopt_order): Ditto.
        * bt-load.c (compute_defs_uses_and_gen, compute_kill,
        compute_out, link_btr_uses, migrate_btr_defs): Ditto.
        * tree-dfa.c (collect_dfa_stats): Ditto.
        * cfgcleanup.c (try_forward_edges, try_optimize_cfg): Ditto.
        * cfglayout.c (fixup_reorder_chain): Ditto.
        * bb-reorder.c (reorder_basic_blocks, duplicate_computed_gotos,
        partition_hot_cold_basic_blocks): Ditto.
        * var-tracking.c (vt_find_locations): Ditto.
        * cfgloop.c (flow_loops_cfg_dump, flow_loops_find, get_loop_body): Ditto.
        * sched-rgn.c (compute_trg_info, init_regions, schedule_insns): Ditto.
        * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, make_edges
        label_to_block_fn, print_loop_ir, tree_flow_call_edges_add): Ditto.
        * tree-ssa-reassoc.c (init_reassoc): Ditto.
        * cfgrtl.c (entry_of_function, rtl_verify_flow_info,
        rtl_flow_call_edges_add, rtl_flow_call_edges_add): Ditto.
        * df.c (df_analyze_1, hybrid_search, iterative_dataflow): Ditto
        and removed unused reverse orders.
        * df.h (): Ditto.
        * combine.c: Fix document typo.

2005-12-17  Jan Hubicka  <jh@suse.cz>

        * tree-flow-inline.h (set_default_def, default_def): Kill.
        * tree-dfa.c (default_defs): New global variable.
        (default_def, set_default_def): New functions.
        * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Add default_def hash.
        * tree-flow.h (struct var_ann_d): Kill default_def field.
        (set_default_def, default_def): Update prototype.
        (default_defs): Declare.

2005-12-16  Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (update_rhs_and_lookup_avail_expr): Kill.
        (simplify_rhs_and_lookup_avail_expr): Kill.  Remnants moved
        into tree-ssa-forwprop.c.
        (eliminate_redundant_computations): Do not call
        simplify_rhs_and_lookup_avail_expr anymore.
        * tree-ssa-forwprop.c (simplify_not_neg_expr): New function
        extracted from remnants of simplify_rhs_and_lookup_avail_expr.
        (tree_ssa_forward_propagate_single_use_vars): Call
        simplify_not_neg_expr appropriately.

2005-12-16  Bernd Trog  <berndtrog@yahoo.com>

        PR target/20016
        * config/avr/t-avr: Add -Os to TARGET_LIBGCC2_CFLAGS.

2005-12-17  Kazu Hirata  <kazu@codesourcery.com>

        PR rtl-optimization/25456
        * struct-equiv.c (struct_equiv_improve_checkpoint): Replace
        info->x_start with p->x_start.

2005-12-17  Alan Modra  <amodra@bigpond.net.au>

        * simplify-rtx.c (simplify_binary_operation_1 <IOR>): Correct bug
        introduced 2005-12-16.

2005-12-16  Steven Bosscher  <stevenb@suse.de>

        PR rtl-optimization/23837
        * optabs.c (expand_binop): For a multi-word rotate, never emit
        a REG_NO_CONFLICT block.

2005-12-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR middle-end/25457
        * reorg.c (mostly_true_jump): Remove unused variable 'insn'.

        PR target/25447
        * config/pa/pa.c (pa_scalar_mode_supported_p): Handle
        MODE_DECIMAL_FLOAT.

2005-12-16  Steven Bosscher  <stevenb@suse.de>

        * loop-invariant.c (move_loop_invariants): Add missing hunk from
        the previous patch, to nullify df.

2005-12-16  Steven Bosscher  <stevenb@suse.de>

        * reorg.c (mostly_true_jump): Clean up code depending on
        LABEL_OUTSIDE_LOOP_P and loop notes.  Remove code doing
        poor man's branch prediction, instead rely on REG_BR_PROB
        notes to be available.

2005-12-16  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/24899
        * loop.c (strength_reduce): Don't reduce giv that is not always
        computable and where add_val or mult_val can trap.

        * doc/invoke.texi (-fdump-tree-*): Remove note about C/C++ only.

2005-12-16  Nathan Sidwell  <nathan@codesourcery.com>

        * config/mt/mt.h (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Correct
        names of ms1-16-002 files.

2005-12-16  Alan Modra  <amodra@bigpond.net.au>

        PR driver/20425
        * gcc.c (for_each_path): New function.
        (add_to_obstack, file_at_path): New functions.
        (struct file_at_path_info, struct add_to_obstack_info): New.
        (build_search_list): Rewrite using for_each_path.  Constify struct
        path_prefix pointer.  Add do_multi param.  Adjust all callers.
        (find_a_file): Similarly, but just change existing param to bool.
        (putenv_from_prefixes): Add do_multi param, make "paths" const.
        (do_spec_path): Delete.
        (struct spec_path_info): New.
        (spec_path): New function.
        (do_spec_1): Use for_each_path for %D and %I.
        (find_file): Adjust for find_a_file changes.
        (main): Search multilibs for specs.  Print multilib lib path for
        -print-search-dirs.  Likewise add multilibs to LIBRARY_PATH_ENV.
        (read_specs): Search multilibs for %include and %include_noerr.
        (is_directory): Remove second string param.  Change last param
        to a bool.  Don't use concat.  Remove SMALL_ARG_MAX test, always
        check path is a dir.  Update all callers.
        * doc/hostconfig.texi (SMALL_ARG_MAX): Remove mention.
        * system.h (SMALL_ARG_MAX): Poison.
        * config.gcc: Don't define SMALL_ARG_MAX.
        * config.host: Likewise.
        * config.build: Likewise.

2005-12-16  Paolo Bonzini  <bonzini@gnu.org>

        * combine.c (combine_simplify_rtx <case NOT, NEG, TRUNCATE,
        FLOAT_TRUNCATE, FLOAT_EXTEND, PLUS, MINUS, AND, IOR, XOR,
        ABS, VEC_SELECT, POPCOUNT, PARITY, FFS, FLOAT>,
        simplify_logical): Move simplifications that do not require
        additional infrastructure...
        * simplify-rtx.c (simplify_unary_operation_1,
        simplify_binary_operation_1): ... here.

2005-12-16  Andreas Krebbel  <krebbel1@de.ibm.com>

        PR 24823
        * flow.c (mark_used_dest_regs): New function.
        (mark_used_regs): Call mark_used_dest_regs.

2005-12-16  Jeff Law  <law@redhat.com>

        * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
        represent a use and definition of the same SSA_NAME.

2005-12-16  Jon Grimm  <jgrimm2@us.ibm.com>
            Janis Johnson  <janis187@us.ibm.com>
            Ben Elliston  <bje@au.ibm.com>

        * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
        (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
        * target.h (struct gcc_target): Add decimal_float_supported_p.
        * targhooks.c (default_scalar_mode_supported_p): Handle
        MODE_DECIMAL_FLOAT.
        * builtins.def: Add new builtins for 32, 64 and 128 bit variants
        of inf, nan, finite, isinf and isnan.
        * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
        BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
        BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
        BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
        BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
        BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
        BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
        * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
        Pedwarn if decimal floating point types are used.  Error if
        decimal floating point is not supported by the target.
        (finish_declspecs): Return type from DFP typespec_word.
        * c-typeck.c (c_common_type): Choose the decimal floating point
        type with the greater precision when determining a common type.
        (convert_arguments): Warn if there is a mismatch between argument
        and prototype for decimal float types.  Warn of conversions with
        binary float types and of precision narrowing due to prototype.
        * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
        (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
        (c_token_starts_declspecs): Likewise.
        (c_parser_attributes): Likewise.
        * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
        RID_DFLOAT64, RID_DFLOAT128.
        (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
        * c-common.c (c_common_type_for_mode): Handle decimal float modes.
        (shorten_compare): Convert DFP/BFP operands to a common type.
        (c_common_modes_and_builtins): Register built-in decimal float
        types if the target supports them.
        (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
        * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
        inf, nan, finite, isinf and isnan builtins.
        * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
        (builtin_define_float_constants): Assert non-decimal radix.
        (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
        Call builtin_define_decimal_float_constants for each type.
        * c-lex.c (interpret_float): Decode decimal float types from CPP_N
        flags.  Use real_from_string3, which can handle binary or decimal
        floats.
        * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
        cts_dfloat64, cts_dfloat128.
        * tree.c (build_common_tree_nodes_2): Add decimal float types.
        * tree.h (enum tree_index): Add new enumeration values
        TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
        TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
        (dfloat32_type_node): New macro.
        (dfloat64_type_node, dfloat128_type_node): Likewise.
        (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
        (dfloat128_ptr_type_node): Likewise.
        * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
        bit decimal floating point types with "df", "dd" and "dl".
        * c-format.h (enum format_lengths): Add new enumeration values
        FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
        * c-format.c (printf_length_specs, scanf_length_specs): Add
        entries for H, D, DD.
        (print_char_table, scan_char_table): Use new entries.
        (asm_fprintf_char_table, gcc_diag_char_table,
        gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
        length arrays.
        * defaults.h (DECIMAL32_TYPE_SIZE): Define.
        (DECIMAL64_TYPE_SIZE): Likewise.
        (DECIMAL128_TYPE_SIZE): Likewise.
        (TARGET_DEC_EVAL_METHOD): Likewise.
        * doc/extend.texi (Decimal Float): New node.
        (Constructing Calls): Document decimal float built-ins.
        * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
        * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
        * ginclude/decfloat.h: New file.

2005-12-16  Alan Modra  <amodra@bigpond.net.au>

        * reload.c (find_reloads): Fix comment typo.
        * recog.h (recog_memoized): Correct comment.

2005-12-16  Kazu Hirata  <kazu@codesourcery.com>

        * basic-block.h, config/i386/winnt.c, config/pa/pa.c,
        config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
        reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
        tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
        * doc/invoke.texi, doc/tm.texi: Fix typos.

2005-12-16  Ben Elliston  <bje@au.ibm.com>

        * real.c (decimal_quad_format): Correct values for emin, emax.

2005-12-15  DJ Delorie  <dj@redhat.com>

        * config/m32c/predicates.md (m32c_psi_scale): New.
        * config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New.
        * config/m32c/muldiv.md (mulpsi3): Support negative constants.

2005-12-16  Jan Hubicka  <jh@suse.cz>

        PR rtl-optimization/25224
        * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
        tables.

2005-12-15  Zdenek Dvorak <dvorakz@suse.cz>
            Steven Bosscher <stevenb@suse.de>

        * loop-invariant.c (df): New global variable.
        (find_defs, check_dependencies, find_invariant_insn, record_uses,
        find_invariants_bb, find_invariants_body, find_invariants,
        find_invariants_to_move, move_invariants, free_inv_motion_data,
        move_single_loop_invariants, move_loop_invariants): Do not pass df in
        arguments.

2005-12-15  Jakub Jelinek  <jakub@redhat.com>

        * varasm.c (default_unique_section_1): Use special section
        names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.

2005-12-16  Ben Elliston  <bje@au.ibm.com>

        * doc/invoke.texi (Warning Options): Document -Walways-true being
        enabled by -Wall.

2005-12-15  Joseph S. Myers  <joseph@codesourcery.com>

        PR other/25028
        * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
        * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
        __floatunditf): Use #error if type sizes don't match requirements
        of implementation.
        (__floatdisf, __floatdidf): Unify.  Possibly use XFmode or TFmode
        as wider floating-point type.  Use #error if type sizes don't
        match requirements of implementation.  Avoid overflow in computing
        Wtype_MAXp1_F * Wtype_MAXp1_F.  When special casing conversion,
        shift one more bit.  Cast 1 to DWtype or UDWtype for shifting.
        (__floatundisf, __floatundidf): Likewise.
        * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
        * config/ia64/ia64.c (ia64_init_libfuncs): Use
        _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
        TFmode-TImode conversions.
        * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.

2005-12-14  Craig Rodrigues  <rodrigc@gcc.gnu.org>

        * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
        Use builtin_define_with_int_value() instead of
        adding a new check for every new major FreeBSD version.

2005-12-14  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.

2005-12-15  Richard Sandiford  <richard@codesourcery.com>

        * config/arm/predicates.md (call_memory_operand): New.
        * config/arm/arm.md (*call_mem, *call_value_mem): Use it.

2005-12-15  Andrew Haley  <aph@redhat.com>

        * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
        against prev_cache_entry == NULL when moving a cache entry to the
        head of the list.
        
2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>

        * config/mt/mt.c (mt_override_options): Require lower case
        architectures.  Revert accidental default to ms2.
        * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
        ENDFILE_SPEC): Require lower case architectures.  Revert default
        to ms2.

        * doc/invoke.texi (MT Options): Rename and update.
        * doc/md.texi (MorphoTech family): Rename and update.

2005-12-15  Olivier Hainque  <hainque@adacore.com>

        * stor-layout.c (layout_type): Don't complain about a too small
        an array element type size compared to its alignment when the
        size overflows.

2005-12-15  Jan Hubicka  <jh@suse.cz>

        PR target/24969
        * i386.c (classify_argument): Properly adjust offset of bitfield for
        substructures.

2005-12-15  Richard Sandiford  <richard@codesourcery.com>

        * final.c (final_scan_insn): Flip in_cold_section_p when changing
        between the hot and cold sections.  Use current_function_section
        to get the new section.
        * dwarf2out.c (output_line_info): Use in_cold_section_p to
        determine whether we are assembling hot or cold code.
        (secname_for_decl, dwarf2out_var_location): Likewise.
        (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
        * varasm.c (last_text_section): Delete.
        (in_cold_section_p): New variable.
        (hot_function_section): New function.
        (current_function_section): Pass in_cold_section_p as the
        reloc argument to select_section.  Use it to decide between
        unlikely_function_section and hot_function_section.
        (assemble_start_function): Use switch_to_section.  Set
        in_cold_section_p instead of last_text_section.
        (assemble_end_function): Use switch_to_section.
        (switch_to_section): Don't set last_text_section.
        * config/darwin/darwin.c (machopic_select_section): Trust the reloc
        argument to make the right choice between hot and cold sections.

2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>

        Second part of MS1->MT renaming
        * config/mt/mt.md (doloop_end): Call mt_add_loop.
        (movqi, movhi): Call mt_set_memflags.
        (*movdf_internal): Call mt_split_words. 
        (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
        mt_set_memflags.
        (cmpsi): Store to mt_compare_op[01].
        (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
        bungt, bunle, bunlt): Call mt_emit_cbranch.
        (prologue): Call mt_expand_prologue.
        (epilogu): Call mt_expend_epilogue.
        (eh_return): Call mt_expand_eh_return.
        (eh_epilogue): Call me_emit_eh_epilogue.
        (conditional_trap): Store to mt_compare_op[01].
        * config/mt/crti.asm: Adjust comment.
        * config/mt/crtn.asm: Adjust comment.
        * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
        (mt_compare_op0, mt_compare_op1): Renamed.
        (current_frame_info, zero_frame_info): Adjust type.
        (mt_ucmpsi3_libcall): Renamed.
        (mt_flag_delayed_branch): Renamed.
        (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
        (mt_nops_required, mt_nop_reasons): Renamed.
        (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
        mt_debug_stack, mt_print_operand_simple_address,
        mt_print_operand_address, mt_print_operand): Renamed, adjusted.
        (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
        mt_function_arg_advance, mt_arg_partial_bytes,
        mt_pass_by_reference, mt_function_arg_boundary,
        mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
        mt_legitimate_address_p): Renamed, adjusted.
        (mt_cpu): Renamed.
        (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
        mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
        mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p, 
        mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
        mt_expand_eh_return, mt_emit_eh_prologue,
        mt_handl_interrupt_attribute): Renamed, adjusted.
        (mt_attribute_table): Renamed, adjusted.
        (mt_initial_elimination_offset, mt_generate_compare,
        mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
        mt_secondary_reload_class, mt_function_value, mt_split_words,
        mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
        mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
        (mt_labels): Renamed.
        (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
        mt_machine_reorg): Renamed, adjusted.
        (mt_attribute_table: Renamed.
        (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
        TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
        TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
        * config/mt/mt.opt (march): Set mt_cpu_string.
        * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
        (TARGET_CPU_CPP_BUILTINS): Adjust.
        (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
        TARGET_MS2): Adjust.
        (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
        (MT_MIN_INT): Renamed.
        (RETURN_ADDR_RTX): Adjust.
        (struct mt_frame_info): Renamed.
        (current_frame_info): Adjust type.
        (INITIAL_ELIMINATION_OFFSET): Adjust.
        (MT_NUM_ARG_REGS): Renamed.
        (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
        FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
        LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
        GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
        FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
        (mt_compare_op0, mt_compare_op1): Renamed.
        * config/mt/mt-protos.h: Rename prototypes.

2005-12-15  Richard Guenther  <rguenther@suse.de>

        * tree-flow.h (okay_component_ref_for_subvars): Remove.
        (get_ref_base_and_extent): Declare.
        * tree-dfa.c (okay_component_ref_for_subvars): Remove.
        (get_ref_base_and_extent): New function.
        * tree-ssa-alias.c (find_used_portions): Use it.
        * tree-ssa-structalias.c (get_constraint_for_component_ref):
        Likewise.
        * tree-ssa-operands.c (get_expr_operands): Likewise.

2005-12-15  Paolo Bonzini  <bonzini@gnu.org>

        * combine.c: Remove force_to_mode's fourth parameter.
        (force_to_mode): Do not handle REG.
        (canon_reg_for_combine): New.
        (make_field_assignment): Use it where the removed argument was non-NULL.

2005-12-15  Alan Modra  <amodra@bigpond.net.au>

        PR target/25406
        * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
        error_mark_node.  Make alignment params unsigned.
        * config/rs6000/rs6000-protos.h
        (rs6000_special_round_type_align): Update prototype.
        (rs6000_machopic_legitimize_pic_address): Remove arg names.

2005-12-14  Ulrich Weigand  <uweigand@de.ibm.com>

        PR rtl-optimization/25310
        * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
        of the eliminable register when substituting into a PLUS.

2005-12-14  Jakub Jelinek  <jakub@redhat.com>

        PR debug/25023
        * config/i386/i386.c (ix86_force_to_memory): Always use
        SImode push for HImode in -m32.
        (ix86_free_from_memory): Likewise.

2005-12-14  Richard Sandiford  <richard@codesourcery.com>

        * gcc/config/arm/arm.md: Provide a big-endian version of the
        (zero_extend:SI (subreg:QI ...)) splitter.

2005-12-14  J"orn Rennecke <joern.rennecke@st.com>

        * struct-equiv.c (note_local_live): Handle hard regs with different
        hard_regno_nregs.

2005-12-14  Jeff Law  <law@redhat.com>

        * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
        to a structure containing state rather than a pointer to bool.
        (case ARRAY_REF): New code to handle folding some array references.
        (case ADDR_EXPR): Note when we are processing expressions found
        within an ADDRE_EXPR.
        (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
        for state variables rather than just a pointer to a boolean.
        * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
        handling of constant string references.

2005-12-14  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
        ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
        ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
        Move other tst* patterns to retain partial order.

2005-12-14  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390.md ("d0", "1"): New mode attributes.
        ("<shift>di3", "<shift>si3"): Merge.
        ("*<shift>di3_and", "*<shift>si3_and"): Merge.
        ("ashrdi3", "ashrsi3"): Merge.
        ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
        ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
        ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
        ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
        ("*ashrdi3", "*ashrsi3"): Merge.
        ("*ashrdi3_and", "*ashrsi3_and"): Merge.

2005-12-14  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
        ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
        ("*extendqidi2", "*extendqisi2") Merge.
        ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
        ("zero_extendhidi2", "zero_extendqidi2"): Merge.
        ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
        Move some patterns to retain partial ordering.

2005-12-14  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390.md ("atype", "length"): Rewrite.
        ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.

2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>

        * tree-ssa-operands.c (build_ssa_operands): Update leading comment.

2005-12-14  J"orn Rennecke <joern.rennecke@st.com>

        * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
        PARALLELs with a mode.

2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>

        * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
        cond_expr parameter.

2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>

        * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.

2005-12-14  J"orn Rennecke <joern.rennecke@st.com>

        PR bootstrap/25397:

        * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
        of STACK_REGS bits.

        * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.

2005-12-14  Jakub Jelinek  <jakub@redhat.com>

        PR target/25254
        PR target/24188
        * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
        DECL_P, call get_section rather than get_named_section.  Supply
        section flags to it.

2005-12-14  Ben Elliston  <bje@au.ibm.com>

        * c-common.c (c_common_truthvalue_conversion): Generalise warning
        for addresses converted to booleans; not just function addresses.
        * c-typeck.c (build_binary_op): Warn for address comparisons which
        can never be NULL (eg. func == NULL or &var == NULL).
        * common.opt (Walways-true): New option.
        * c-opts.c (c_common_handle_option): Set it with -Wall.
        * doc/invoke.texi: Document it.

2005-12-13  Paul Brook  <paul@codesourcery.com>

        * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
        __floatunsidf, __floatunsisf, __floatunsixf): New functions.

2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>

        * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
        (EXTRA_MULTILIB_PARTS): Define.

2005-12-13  J"orn Rennecke <joern.rennecke@st.com>

        PR rtl-optimization/20070 / part1
        * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
        count_or_remove_death_notes with kill == -1.
        (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
        registers if PROP_POST_REGSTACK is set.
        (mark_used_reg): Likewise.
        (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
        REG_UNUSED notes for stack regs.
        * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
        to match rtx_equiv_p machinery.  Change caller.
        (outgoing_edges_match): Likewise.
        (try_crossjump_to_edge): Use struct_equiv_block_eq
        instead of flow_find_cross_jump.
        * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
        (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
        (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
        (STRUCT_EQUIV_MAX_LOCAL): Likewise.
        (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
        (insns_match_p): Update prototype.
        (flow_find_cross_jump): Remove prototype.
        (struct_equiv_block_eq, struct_equiv_init): Declare.
        (rtx_equiv_p, condjump_equiv_p): Likewise.
        * struct-equiv.c: Include reload.h.
        (IMPOSSIBLE_MOVE_FACTOR): Define.
        (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
        (struct_equiv_improve_checkpoint): Likewise.
        (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
        (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
        (struct_equiv_merge, find_dying_input): Likewise.
        (resolve_input_conflict, note_local_live): Likewise.
        (death_notes_match_p): Change parameters and processing
        to match rtx_equiv_p machinery.  Change caller.
        (insns_match_p): Likewise.
        (flow_find_cross_jump): Replace with:
        (struct_equiv_block_eq).

        Back out this change:
        2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
          * recog.c (verify_changes): Make it static.
          * recog.h: Remove the corresponding prototype.

2005-12-13  J"orn Rennecke <joern.rennecke@st.com>

        * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
        values.

2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>

        * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
        (MULTILIB_DIRNAMES): Add ms2.  Prefix ms1 dirs with 'ms1'.
        * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
        TARGET_MS1_64_001 appropriately.
        (ms1_machine_reorg): Use TARGET_MS2.

2005-12-13  Jakub Jelinek  <jakub@redhat.com>

        PR debug/25023
        PR target/25293
        * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
        and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
        Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
        * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
        Set mode to SI, adjust constraints.
        (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
        * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
        32-bit code.

2005-12-13  Carlos O'Donell <carlos@codesourcery.com>

        * c-cppbuiltin.c (builtin_define_float_constants): Add
        fp_cast parameter, pass to builtin_define_with_hex_fp_value.
        Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
        (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
        (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
        to "((double)%sL)" otherwise "%s".

2005-12-13  Paul Brook  <paul@codesourcery.com>

        * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
        apcs/atpcs.

2005-12-11 Rafael vila de Espndola <rafael.espindola@gmail.com>

        * tree-flow.h: Allow compilation with a C++ compiler.
        (struct edge_prediction): Prefix all field names  with "ep_".
        * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
        (tree_predict_edge, combine_predictions_for_bb): Likewise.
        (remove_predictions_associated_with_edge): Likewise.
        
2005-12-12  Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
        reassociation code.
        * passes.c (init_optimization_passes): Run reassociation again
        after loop optimizations.

2005-12-12  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
        if necessary.
        (optimize_stmt): Ditto.
        (canonicalize_comparison): New function.
        * tree-ssa-operands.c (swap_tree_operands): Make external.
        (get_expr_operands): Stop auto-canonicalization.
        * tree-ssa-reassoc.c: Rewrite.
        (init_optimization_passes): 
        * tree-flow.h (swap_tree_operands): Prototype.
        * Makefile.in (tree-ssa-reassoc.o): Update dependencies.

2005-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
        indicate function epilogue has been output.
        (pa_asm_output_mi_thunk): Likewise.
        (output_deferred_plabels): Put plabels in readonly data section when
        not generating PIC code.
        (som_output_text_section_asm_op): Use .NSUBSPA to output debug
        information.  Add assert.
        (som_output_comdat_data_section_asm_op): New function.
        (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
        instead of output_section_asm_op for COMDAT sections.

2005-12-12  J"orn Rennecke <joern.rennecke@st.com>

        * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
        Fix whitespace in vincinity of to-be-installed changes.
        * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
        (insns_match_p): Likewise.

2005-12-12  Nathan Sidwell  <nathan@codesourcery.com>

        * config.gcc (ms1): Replace with ...
        (mt): ... this.
        * config/ms1: Rename to ...
        * config/mt: ... here.  Rename ms1 files to mt.
        * config/mt/mt.c: Adjust gt-mt.h #include.
        * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
        (crti.o, crtn.o): Adjust file names.

2005-12-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * varray.h: Allow compilation with a C++ compiler.
        (union varray_data_tag): Prefix all field names with "vdt_".
        (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
        VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
        VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
        VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
        VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
        VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
        (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
        VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT, 
        VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT, 
        VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR, 
        VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR, 
        VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE, 
        VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB, 
        VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
        (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT, 
        VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT, 
        VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT, 
        VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR, 
        VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX, 
        VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP, 
        VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE, 
        VARRAY_TOP_TREE_PTR): Likewise.
        * varray.c (varray_grow): Likewise.
        (varray_clear): Likewise.

2005-12-12  Alan Modra  <amodra@bigpond.net.au>

        PR target/25299
        * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
        alignment to doubleword if the first field is a double array.
        * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.

2005-12-11  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-structalias.c (process_constraint): Remove code to
        transform addressofs into scalar.
        (create_variable_info_for): In whole-program IPA, globals don't
        point to ANYTHING by default.

2005-12-11  Daniel Berlin  <dberlin@dberlin.org>

        * timevar.def (TV_IPA_PTA): New.
        * tree-pass.h (pass_ipa_pta): New
        * tree-ssa-structalias.c: Include cgraph.h
        (in_ipa_mode): New.
        (predbitmap_obstack): New.
        (EXECUTE_IF_IN_NONNULL_BITMAP): New.
        (struct constraint_stats): Add num_edges.
        (new_var_info): Don't call bitmap_clear.
        (struct constraint_edge): Update docs.
        (new_constraint_edge): Remove src param.
        (struct constraint_graph): Add zero_weight_succs,
        zero_weight_preds.  Update docs.
        (constraint_expr_equal): Reformat.
        (constraint_edge_equal): Update for removal of src.
        (constraint_edge_less): Ditto.
        (constraint_edge_vec_find): Ditto.
        (erase_graph_self_edge): Update for removal of src and and zero
        weight bitmap.
        (clear_edges_for_node): Ditto.
        (add_graph_edge): Ditto.
        (get_graph_weights): Ditto.
        (allocate_graph_weights): Ditto.
        (merge_graph_nodes): Ditto.
        (int_add_graph_edge): Ditto.
        (valid_graph_edge): Ditto.
        (valid_weighted_graph_edge): Ditto.
        (build_constraint_graph): Ditto.
        (scc_visit): Ditto.
        (collapse_nodes): Ditto.
        (process_unification_queue): Ditto.
        (topo_visit): Ditto.
        (solve_graph): Ditto.
        (do_structure_copy): Ditto.
        (perform_var_substitution): Ditto.
        Init and release obstack.
        (handle_ptr_arith): Try to resolve directly.
        (find_func_aliases): Don't call update_alias_info here
        Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
        (do_sd_constraint): Add code for propagating faster.
        Update.
        (do_ds_constraint): Ditto.
        (count_num_arguments): New function.
        (create_function_info_for): Ditto.
        (create_variable_info_for): Handle FUNCTION_DECL.
        (intra_create_variable_infos): Use make_constraint_to_anything.
        (init_alias_vars): Init obstacks here.
        (need_to_solve): Handle zero weight graph changes.
        (compute_points_to_sets): Call update_alias_info here.
        (delete_points_to_sets): Free zero weight preds/succs here.
        (gate_ipa_pta): New.
        (ipa_pta_execute): New

2005-12-11  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-structalias.c (var_anyoffset): Removed.
        (anyoffset_tree): Ditto.
        (anyoffset_id): Ditto.
        (do_deref): Take vector of constraints, no return value.
        Update to work on vector.                
        (get_constraint_for): Ditto.
        (get_constraint_for_component_ref): Ditto.
        (do_structure_copy): Ditto.
        (handle_ptr_arith): Ditto.
        (find_func_aliases): Ditto.
        (set_uids_in_ptset): Remove anyoffset handling.
        (init_base_vars): Ditto.

2005-12-10  Mark Mitchell  <mark@codesourcery.com>

        PR c++/25010
        * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
        DECL_EXTERNAL functions have no bodies.  Tidy.

2005-12-10  Andreas Schwab  <schwab@suse.de>

        * except.c (switch_to_exception_section): Only define if
        TARGET_UNWIND_INFO is not defined.

2005-12-10  Richard Sandiford  <richard@codesourcery.com>

        * config/darwin.h (HAS_INIT_SECTION): Remove definition.
        (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.

2005-12-10  Richard Sandiford  <richard@codesourcery.com>

        * output.h (init_section, fini_section): Delete.
        * varasm.c (init_section, fini_section): Delete.
        (init_varasm_once): Don't initialize them.
        * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
        there are no corresponding varasm.c variables.

2005-12-10  Richard Sandiford  <richard@codesourcery.com>

        * dwarf2out.c (default_eh_frame_section): Delete, moving handling
        of EH_FRAME_SECTION_NAME into...
        (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
        if it is still null.
        * except.c (default_exception_section): Delete, moving most
        of the code to...
        (switch_to_exception_section): ...this new function.  Set
        exception_section if it is still null, then switch to it.
        (output_function_exception_table): Use switch_to_exception_section.
        * varasm.c (exception_section, eh_frame_section): Update comments.
        (get_section): Hoist use of SECTION_NAMED.
        (init_varasm_once): Don't set exception_section and eh_frame_section.
        * output.h (default_exception_section): Delete.
        (default_eh_frame_section): Delete.

2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.c: Include "cgraph.h".
        (bfin_load_pic_reg): Omit loading pic reg if in a local function.
        Return the reg that holds the pointer to the GOT.
        (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
        doing stack checking.

2005-12-09  Diego Novillo  <dnovillo@redhat.com>

        * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
        recompute_tree_invarant_for_addr_expr.
        Update uses everywhere.

2005-12-09  Aldy Hernandez  <aldyh@redhat.com>

        * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
        (MULTILIB_DIRNAMES): Define.

2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>

        PR target/25311
        * config/s390/s390.c (struct s390_address): New field literal_pool.
        (s390_decompose_address): Compute literal_pool field.  Do not 
        assume register %r13 is always (and solely) used as pool base.
        (s390_extra_constraint_str): Use literal_pool field.

2005-12-09  Thiemo Seufer  <ths@networkno.de>

        * config/mips/mips.c (override_options): Don't allow too small
        integers in FP registers.

2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_function_ok_for_sibcall): Use
        targetm.binds_local_p to check for local function calls.

2005-12-09  Alan Modra  <amodra@bigpond.net.au>

        PR debug/24908
        * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
        call_used_regs can't be used to save reg in another reg.

2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
            Christophe Jaillet  <christophe.jaillet@wanadoo.fr>

        * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
        abort.
        * except.c (output_ttype): Likewise.
        * tree-object-size.c (collect_object_sizes_for): Likewise.
        (check_for_plus_in_loops_1): Likewise.
        (check_for_plus_in_loops): Likewise.
        (compute_object_sizes): Use gcc_unreachable instead of abort.

2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>

        * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
        (loop_end, loop_init, doloop_end): New insns.
        * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
        (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
        (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
        (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
        * config/ms1/ms1.c: #include basic-block.h
        (struct machine_function): Add has_loops field.
        (ms1_add_loop): New.
        (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
        (struct loop_info, struct loop_work): New.
        (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
        (ms1_reorg_loops): New loop optimization.
        (ms1_machine_reorg): Call it.
        * config/ms1/ms1-protos.h (ms1_add_loop): Declare.

2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/25248
        * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
        evolution_of_loop from the failed attempt.  Remove handling
        of MULT_EXPR.

2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * tree.h (DECL_EXTERNAL): Clarify documentation.

2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR target/25268
        * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
        argument.  Don't drop outer ANDs.
        (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
        * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
        prototype.
        * config/s390/predicates.md (setmem_operand): Remove.
        (shift_count_operand): Rename to...
        (shift_count_or_setmem_operand): ... this.  Adjust
        s390_decompose_shift_count caller.
        * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
        ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
        ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
        <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
        rotl<mode>3_and, setmem_long_and): New insns.
        (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
        ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
        <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
        <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
        of shift_count_operand.
        (setmem_long): Use shift_count_or_setmem_operand instead of
        setmem_operand.

2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
            Andreas Tobler  <a.tobler@schweiz.ch>

        * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
        tr expression.

2005-12-07  J"orn Rennecke <joern.rennecke@st.com>

        * expr.c (force_operand): Use convert_to_mode for conversions.

2005-12-07  J"orn Rennecke <joern.rennecke@st.com>

        * reload.h (reg_equiv_invariant): Declare.
        * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
        register also when reg_equiv_invariant[R] is set.

2005-12-07  Richard Sandiford  <richard@codesourcery.com>
            Andreas Tobler  <a.tobler@schweiz.ch>

        * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.

2005-12-07  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-pre.c (bitmap_set_and): New function.
        (bitmap_set_and_compl): New function.
        (bitmap_set_empty_p): New function.
        (insert_extra_phis): New function.
        (compute_avail): Use insert_extra_phis.

2005-12-07  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390.c (s390_expand_atomic): New function.
        Adjust comment of helper functions.
        * config/s390/s390-protos.h (s390_expand_atomic): Declare.
        * config/s390/s390.md ("ATOMIC"): New code macro.
        ("atomic"): Corresponding new code attribute.
        ("sync_lock_test_and_set[hq]i", 
        "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.

2005-12-07  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390.c (s390_expand_mask_and_shift, 
        struct alignment_context, init_alignment_context, 
        s390_expand_cs_hqi): New.
        * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
        * config/s390/s390.md ("sync_compare_and_swaphi",
        "sync_compare_and_swapqi"): New pattern.

2005-12-07  Daniel Berlin <dberlin@dberlin.org>

        Fix PR tree-optimization/25291
        * tree-ssa-operands.c (add_call_clobber_ops): Remove
        redundant and crashing check.

2005-12-08  Alan Modra  <amodra@bigpond.net.au>

        PR target/25212
        * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
        tests further when !strict && reload_in_progress.
        (print_operand): Check that both operands of indexed address are regs.
        (print_operand_address): Likewise.
        * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
        (INT_REG_OK_FOR_BASE_P): Correct.

2005-12-07  J"orn Rennecke <joern.rennecke@st.com>

        Preparation for PR rtl-optimization/20070 / part1
        * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
        * cfgcleanup.c (condjump_equiv_p): New function, broken out of
        outgoing_edges_match.
        (outgoing_edges_match): Use condjump_equiv_p.
        (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
        into..
        * struct-equiv.c: New file.
        (death_notes_match_p) New function, broken out of insns_match_p.
        * Makefile.in (OBJS-common): Add struct-equiv.o.
        (struct-equiv.o): New target.

2005-12-07  Richard Sandiford  <richard@codesourcery.com>

        * coretypes.h: Revert previous change.
        * config/darwin.h: Revert previous reversion.
        * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.

2005-12-07  Richard Sandiford  <richard@codesourcery.com>

        * coretypes.h (section): Provide dummy definition for target files.
        * config/darwin.h: Revert previous change.

2005-12-07  Rafael vila de Espndola  <rafael.espindola@gmail.com>

        * doc/sourcebuild.texi (all.build, install-normal): Remove.
        * configure.ac: Remove all.build and install-normal from target_list
        * configure: Regenerate.
        * Makefile.in (install): Don't depend on install-normal.

2005-12-07  Rafael vila de Espndola  <rafael.espindola@gmail.com>

        * Makefile.in: Document the use of stamps.

2005-12-07  Rafael vila de Espndola  <rafael.espindola@gmail.com>

        * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
        * Makefile.in: Add code to compute some dependencies on s-gtype
        automatically.  Remove the declaration of those dependencies.

2005-12-07  Richard Sandiford  <richard@codesourcery.com>

        * gcc/reload.c (push_secondary_reload): Fix typo:
        s/insn_constraint/scratch_constraint/.

2005-12-07  Richard Sandiford  <richard@codesourcery.com>

        * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.

2005-12-07  Richard Sandiford  <richard@codesourcery.com>

        * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
        (alpha_elf_select_rtx_section): Return the selected section rather
        than emitting assembly code.
        (alpha_write_linkage): Emit a ".link" directive directly and then
        set in_section to NULL.
        (vms_asm_out_constructor): Use switch_to_section.
        (vms_asm_out_destructor): Likewise.
        (unicosmk_output_common): Set in_section to NULL instead of calling
        the dummy common_section function.
        (unicosmk_text_section): Delete in favor of...
        (unicosmk_output_text_section_asm_op): ...this new function.
        (unicosmk_data_section): Delete in favor of...
        (unicosmk_output_data_section_asm_op): ...this new function.
        (unicosmk_init_sections): New function.
        (unicosmk_output_deferred_case_vectors): Use switch_to_section.
        (unicosmk_output_ssib): Set in_section to NULL instead of calling
        the dummy ssib_section function.
        (unicosmk_section_buf): Delete.
        * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
        (unicosmk_data_section): Delete.
        * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
        (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
        (SECTION_FUNCTION_TEMPLATE): Delete.
        * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
        (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
        (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
        (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
        (TARGET_ASM_INIT_SECTIONS): Define.
        * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
        (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
        (link_section, literals_section): Delete.
        (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
        set in_section to NULL.

        * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
        (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
        (COMMON_SECTION): Delete.
        (TARGET_ASM_INIT_SECTIONS): Define.
        (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
        the dummy common_section function.
        * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
        * config/arm/arm.c (get_jump_table_size): Use pointer comparison
        between readonly_data_section and text_section to check whether
        read-only data is being put in the text section.
        (arm_output_function_epilogue): Use switch_to_section.
        (arm_elf_asm_constructor): Likewise.
        (thumb_call_via_reg): Replace call to in_text_section with
        a comparison between in_section and text_section.
        (arm_file_end): Use switch_to_section.
        (aof_text_section): Delete in favor of...
        (aof_output_text_section_asm_op): ...this new function.
        (aof_data_section): Delete in favor of...
        (aof_output_data_section_asm_op): ...this new function.
        (aof_asm_init_sections): New function.
        (zero_init_section): Moved from config/arm/aof.h.
        (aof_dump_imports, aof_file_start): Use switch_to_section.
        * config/arm/arm.h (thumb_call_via_label): Update comment.
        * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
        (common_section): Delete.
        * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
        (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
        global switch_to_section function instead of the old port-local one.
        (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
        (SWITCH_TO_SECTION_FUNCTION): Delete.
        (drectve_section): Redefine as a macro.
        * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
        (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
        switch_to_section.

        * config/avr/avr.c (progmem_section): New variable.
        (avr_output_progmem_section_asm_op): New function.
        (avr_asm_init_sections): New function.
        (avr_output_addr_vec_elt): Use switch_to_section.
        * config/avr/avr.h (progmem_section): Declare.
        (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
        (READONLY_DATA_SECTION): Delete.
        (TARGET_ASM_INIT_SECTIONS): Define.
        (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
        * config/avr/avr-protos.h (progmem_section): Delete.

        * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.

        * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
        (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.

        * config/darwin-sections.def: New file.
        * config/darwin.c: Define all sections in darwin-sections.def.
        (output_objc_section_asm_op, darwin_init_sections): New functions.
        (machopic_output_indirection): Use switch_to_section.
        (machopic_select_section): Return the selected section rather than
        emitting assembly code.  Replace the static function table with
        inline conditional expressions.  Update the tests of last_text_section
        and move them into the FUNCTION_DECL block.
        (machopic_select_rtx_section): Return the selected section rather than
        emitting assembly code.
        (machopic_asm_out_constructor, machopic_asm_out_destructor)
        (darwin_file_end): Use switch_to_section.
        * config/darwin.h: Use darwin-sections.def to declare sections.
        (INIT_SECTION_ASM_OP): Remove empty definition.
        (HAS_INIT_SECTION): Define this instead.
        (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
        (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
        (TARGET_ASM_EH_FRAME_SECTION): Delete.
        (TARGET_ASM_INIT_SECTIONS): Define.
        * config/darwin-protos.h (darwin_init_sections): Declare.
        (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
        (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
        (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
        (constructor_section, destructor_section, mod_init_section): Delete.
        (mod_term_section): Delete.
        (darwin_exception_section, darwin_eh_frame_section): Delete.
        (machopic_select_section): Return a section.
        (machopic_select_rtx_section): Likewise.
        (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
        (const_section, const_coal_section, const_data_section): Delete.
        (const_data_coal_section, data_coal_section, cstring_section): Delete.
        (literal4_section, literal8_section, constructor_section): Delete.
        (mod_init_section, mod_term_section, destructor_section): Delete.
        (objc_class_section, objc_meta_class_section, objc_category_section)
        (objc_class_vars_section, objc_instance_vars_section): Delete.
        (objc_cls_meth_section, objc_inst_meth_section): Delete.
        (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
        (objc_selector_refs_section, objc_selector_fixup_section): Delete.
        (objc_symbols_section, objc_module_info_section): Delete.
        (objc_image_info_section, objc_protocol_section): Delete.
        (objc_string_object_section, objc_constant_string_object_section)
        (objc_class_names_section, objc_meth_var_names_section): Delete.
        (objc_meth_var_types_section, objc_cls_refs_section): Delete.
        (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
        (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
        (darwin_exception_section, darwin_eh_frame_section): Delete.
        * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.

        * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
        (frv_asm_out_destructor): Likewise.
        * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
        (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
        (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
        get_named_section.
        (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
        * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
        (data_section): Delete.

        * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
        (DRECTVE_SECTION_FUNCTION): Delete.
        (drectve_section): Redefine as a macro that sets in_section after
        emitting the directive.
        (SWITCH_TO_SECTION_FUNCTION): Delete.
        * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
        in_text_section with comparison between in_section and text_section.
        * config/i386/i386.c (x86_64_elf_select_section): Return the section
        rather than emitting assembly code.  Use get_named_section.
        (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
        get_named_section.
        (machopic_output_stub): Use switch_to_section.
        * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
        (nwld_named_section_asm_out_destructor): Use get_section and
        switch_to_section.

        * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
        rather than emitting assembly code.
        (ia64_rwreloc_select_section): Likewise.
        (ia64_rwreloc_select_rtx_section): Likewise.
        * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
        * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
        switch_to_section.
        (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
        (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.

        * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
        section rather than emitting assembly code.
        (iq2000_select_section): Likewise.
        * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
        (sbss_section): Delete.

        * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
        and get_named_section.
        * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.

        * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
        (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
        (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
        (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
        in_section to NULL.
        (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
        (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
        global switch_to_section function instead of the old port-local one.
        * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
        (SWITCH_SECTION_FUNCTION): Delete.
        * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
        (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
        (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
        (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
        in_section to NULL.
        (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
        global switch_to_section function instead of the old port-local one.
        (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.

        * config/mips/mips.c (mips_file_start): Update comment.
        (mips_output_aligned_bss): Use switch_to_section and get_named_section.
        (mips_output_aligned_decl_common): Use switch_to_section.
        (mips_select_rtx_section): Return the section rather than emitting
        assembly code.  Use get_named_section.
        (mips_function_rodata_section: Likewise get_section.
        (build_mips16_function_stub): Use switch_to_section.
        * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
        (SDATA_SECTION_ASM_OP): Delete.
        * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
        (EXTRA_SECTION_FUNCTIONS): Delete.

        * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
        (mmix_asm_output_aligned_local): Use switch_to_section.

        * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
        (som_one_only_readonly_data_section): New variables.
        (pa_output_function_epilogue): Set in_section to NULL instead of
        calling forget_section.
        (output_deferred_plabels): Use select_section.
        (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
        of calling forget_section.
        (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
        (pa_asm_output_aligned_local): Use select_section.
        (som_text_section_asm_op): Delete in favor of...
        (som_output_text_section_asm_op): ...this new function.
        (pa_som_asm_init_sections): New function.
        (pa_select_section): Return the section rather than emitting
        assembly code.
        * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
        (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
        (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
        (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
        * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
        (som_readonly_data_section, som_one_only_readonly_data_section)
        (som_one_only_data_section, forget_section): Delete.
        * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
        (TARGET_ASM_INIT_SECTIONS): Define.
        (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.

        * config/rs6000/rs6000.c (read_only_data_section): New variable.
        (private_data_section, read_only_private_data_section): New variables.
        (sdata2_section, toc_section): New variables.
        (rs6000_file_start): Use switch_to_section.
        (rs6000_assemble_integer): Use comparisons against in_section
        instead of calling in_toc_section and in_text_section.  Use
        unlikely_text_section_p.
        (rs6000_elf_output_toc_section_asm_op): New function, derived
        from the old rs6000/sysv4.h toc_section function.
        (rs6000_elf_asm_init_sections): New function.
        (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
        the section rather than emitting assembly code.
        (machopic_output_stub): Use switch_to_section.
        (toc_section): Delete dummy function.
        (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
        switch_to_section and get_section.
        (rs6000_xcoff_output_readonly_section_asm_op): New function.
        (rs6000_xcoff_output_readwrite_section_asm_op): New function.
        (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
        the old rs6000/xcoff.h toc_section function.
        (rs6000_xcoff_asm_init_sections): New function.
        (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
        the section rather than emitting assembly code.
        (rs6000_xcoff_file_start): Use switch_to_section.
        (rs6000_xcoff_file_end): Likewise.
        * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
        (sdata2_section, sbss_section, private_data_section): Delete.
        (read_only_data_section, read_only_private_data_section): Delete.
        * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
        (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
        (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
        (FINI_SECTION_FUNCTION): Delete.
        (TARGET_ASM_INIT_SECTIONS): Define.
        (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
        * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
        (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
        (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
        (READONLY_DATA_SECTION): Delete.
        (TARGET_ASM_INIT_SECTIONS): Define.
        (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
        to NULL rather than no_section.
        (TARGET_ASM_EXCEPTION_SECTION): Delete.

        * config/sh/sh.c (sh_file_start): Use switch_to_section.

        * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
        (sparc_output_deferred_case_vectors): Likewise.  Remove argument
        from call to current_function_section.

        * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
        (bss100_section): New variable.
        (xstormy16_asm_output_aligned_common): Use switch_to_section.
        (xstormy16_asm_init_sections): New function.
        (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
        switch_to_section and get_section.
        (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
        from calls to current_function_section.
        * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
        (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
        (TARGET_ASM_INIT_SECTIONS): Define.
        * config/stormy16/stormy16-protos.h (bss100_section): Delete.

        * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
        (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
        (FINI_SECTION_FUNCTION): Delete.

        * config/v850/v850.c: Include gt-v850.h.
        (rosdata_section, rozdata_section, tdata_section, zdata_section)
        (zbss_section): New variables.
        (v850_output_aligned_bss): Use switch_to_section.
        (v850_asm_init_sections): New function.
        (v850_select_section): Return the section rather than emitting
        assembly code.
        * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
        (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
        (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
        (TARGET_ASM_INIT_SECTIONS): Define.
        * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
        (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
        (zbss_section): Delete.

        * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.

        * config/vx-common.h (vxworks_exception_section): Delete.
        (TARGET_ASM_EXCEPTION_SECTION): Delete.

        * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
        section rather than emitting assembly code.
        * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
        switch_to_section.

        * Makefile.in (GTFILES): Add $(srcdir)/output.h.
        * coretypes.h (section): New union and typedef.
        * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
        from call to current_function_section.
        (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
        (dbxout_symbol_location): Use switch_to_section.
        * dwarf2out.c (named_section_eh_frame_section): Delete, moving
        most of the code into...
        (default_eh_frame_section): ...here.  Return a section.
        (collect2_eh_frame_section): Delete, moving most of the code into..
        (switch_to_eh_frame_section): ...this new function.
        (debug_info_section, debug_abbrev_section, debug_aranges_section)
        (debug_macinfo_section, debug_line_section, debug_loc_section)
        (debug_pubnames_section, debug_str_section, debug_ranges_section): New
        variables.
        (output_call_frame_info): Call switch_to_eh_frame_section instead of
        eh_frame_section.  Use switch_to_section and get_section.
        (dwarf2out_begin_prologue): Use switch_to_section.
        (AT_string_form): Check the flags in debug_str_section instead of
        DEBUG_STR_SECTION_FLAGS.
        (output_comp_unit): Use switch_to_section, get_section, and
        debug_info_section.
        (output_line_info, secname_for_decl): Use unlikely_text_section_p.
        (dwarf2out_begin_block): Use switch_to_section.  Remove argument
        from call to current_function_section.
        (dwarf2out_var_location): Use unlikely_text_section_p.
        (dwarf2out_source_line): Use switch_to_section.  Remove argument
        from call to current_function_section.
        (dwarf2out_start_source_file, dwarf2out_end_source_file)
        (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
        debug_macinfo_section.
        (dwarf2out_init): Initialize the new section variables.  Use them
        instead of calls to named_section_flags.  Use switch_to_section.
        (output_indirect_string): Use switch_to_section and debug_str_section.
        (dwarf2out_finish): Use switch_to_section and the new section
        variables.
        * except.c (default_exception_section): Return the section instead
        of emitting assembly code.
        (output_function_exception_table): Use the global exception_section
        variable instead of the target hook.  Use switch_to_section.  Remove
        argument from call to current_function_section.
        * final.c (HAVE_READONLY_DATA_SECTION): Delete.
        (shorten_branches): Use pointer comparisons to detect whether the
        text section is the same as readonly_data_section.
        (profile_function): Use switch_to_section.  Remove argument from
        call to current_function_section.
        (final_scan_insn): Likewise.  Update use of last_text_section.
        * gengtype.c (open_base_files): Add an include of output.h.
        * output.h (text_section, data_section, readonly_data_section)
        (ctors_section, dtors_section, bss_section, init_section)
        (fini_section, sdata_section): Turn into section pointers.
        (in_text_section, in_unlikely_text_section, exports_section)
        (drectve_section, named_section, mergeable_string_section)
        (last_text_section_name): Delete.
        (default_exception_section, default_eh_frame_section): Return sections.
        (SECTION_DECLARED, SECTION_NAMED): New macros.
        (SECTION_MACH_DEP): Bump value.
        (section_common, named_section, unnamed_section): New structures.
        (unnamed_section_callback): New typedef.
        (section): New union.
        (sbss_section, exception_section, eh_frame_section): New variables.
        (in_section, last_text_section): Turn into section pointers.
        (get_unnamed_section, get_section, get_named_section): New functions.
        (mergeable_constant_section, function_section): Return a section.
        (unlikely_text_section): Likewise.
        (current_function_section): Likewise.  Remove the decl argument.
        (unlikely_text_section_p, switch_to_section): New functions.
        (output_section_asm_op): New function.
        (set_named_section_flags, named_section_flags, named_section_real)
        (named_section_first_declaration): Delete.
        (default_select_section, default_elf_select_section): Return a section.
        (default_elf_select_section_1, default_function_rodata_section)
        (default_no_function_rodata_section, default_select_rtx_section)
        (default_elf_select_rtx_section): Likewise.
        * rtl.h (in_data_section): Delete.
        * sdbout.c (sdbout_one_type): Use switch_to_section.
        * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
        (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
        (TARGET_ASM_EH_FRAME_SECTION): Poison.
        * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
        (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
        (TARGET_ASM_OUT): Update after above changes.
        * target.h (init_sections): New hook.
        (exception_section, eh_frame_section): Delete.
        (select_section, select_rtx_section, function_rodata_section): Return
        a section rather than emitting assembly code.
        * varasm.c (text_section, data_section, readonly_data_section)
        (ctors_section, dtors_section, bss_section, init_section)
        (fini_section): Turn into section pointers.
        (sdata_section, sbss_section, exception_section): New variables.
        (eh_frame_section): New variable.
        (in_section): Make global and turn into a section pointer.
        (last_text_section): Turn into a section pointer.
        (unnamed_sections): New variable.
        (in_named_name, last_text_section_name): Delete.
        (EXTRA_SECTION_FUNCTIONS): Delete.
        (in_named_entry): Delete.
        (section_htab): New variable, replacing...
        (in_named_htab): ...this deleted variable.
        (section_entry_eq, section_entry_hash): New functions, based on...
        (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
        (get_unnamed_section, get_section): New functions.
        (unlikely_text_section): Return a section instead of emitting
        assembly code.
        (in_text_section, in_unlikely_text_section, in_data_section): Delete.
        (get_named_section_flags, named_section_first_declaration): Delete.
        (unlikely_text_section_p): New function.
        (named_section_real, named_section): Delete.
        (get_named_section): New function.
        (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
        (function_section): Return a section rather than emitting
        assembly code.
        (current_function_section): Likewise.  Remove argument.  Use
        last_text_section if nonnull, otherwise use function_section.
        (default_function_rodata_section): Return a section rather than
        emitting assembly code.  Use get_section.
        (default_no_function_rodata_section): Return a section rather than
        emitting assembly code.
        (variable_section): Use switch_to_section and get_named_section.
        (mergeable_string_section): Return a section rather than emitting
        assembly code.  Use get_section.  Make static.  Don't take special
        countermeasures for empty strings.
        (mergeable_constant_section): Return a section rather than emitting
        assembly code.  Use get_section.
        (default_named_section_asm_out_destructor): Use switch_to_section
        and get_section.
        (default_dtor_section_asm_out_destructor): Use switch_to_section.
        (default_named_section_asm_out_constructor): Use switch_to_section
        and get_section.
        (default_ctor_section_asm_out_constructor): Use switch_to_section.
        (assemble_start_function): Likewise.  Set last_text_section to
        NULL rather than no_section.  Change the type of save_section.
        (assemble_zeros, assemble_variable): Use the section flags to detect
        whether or not a section is text.
        (assemble_static_space): Use switch_to_section.
        (assemble_trampoline_template): Likewise.
        (output_constant_def_contents): Use switch_to_section and
        get_named_section.
        (output_constant_pool_1): Use switch_to_section.  Use the section
        flags to see whether sections contain mergeable data.
        (init_varasm_once): Initialize section_htab instead of in_named_htab.
        Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
        (default_elf_asm_named_section): Use SECTION_DECLARED to detect
        whether a section has already been declared.
        (default_select_section, default_elf_select_section): Return a
        section rather than emitting assembly code.
        (default_elf_select_section_1): Likewise.  Use bss_section for
        SECCAT_BSS if nonnull.  Use get_named_section.
        (default_select_rtx_section): Return a section rather than
        emitting assembly code.
        (default_elf_select_rtx_section): Likewise.  Use get_named_section.
        (file_end_indicate_exec_stack): Use switch_to_section and get_section.
        (output_section_asm_op, switch_to_section): New functions.
        * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
        get_named_section.

        * doc/tm.texi: Expand the introduction to the sections documentation.
        (TRAMPOLINE_SECTION): Document new interface.
        (SDATA_SECTION_ASM_OP): Document new macro.
        (READONLY_DATA_SECTION): Delete.
        (SDATA_SECTION_ASM_OP): Document new macro.
        (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
        (TARGET_ASM_INIT_SECTIONS): Document new hook.
        (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
        (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
        (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.

2005-12-07  Alan Modra  <amodra@bigpond.net.au>

        * gcc.c (init_gcc_specs): Match braces inside conditionally
        compiled strings.

2005-12-06  Geoffrey Keating  <geoffk@apple.com>

        * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.

2005-12-06  Aldy Hernandez  <aldyh@redhat.com>

        PR C++/24138
        * tree.c (integer_all_onesp): Always return true if all bits on.

        * testsuite/g++.dg/init/array0.C: New.

2005-12-06  Adrian Straetling  <straetling@de.ibm.com>

        * doc/md.texi: Adapt to implementation.

2005-12-06  Andreas Schwab  <schwab@suse.de>

        * opts.c (decode_options): Fix typo in message.

2005-12-06  Alan Modra  <amodra@bigpond.net.au>

        PR other/13873
        * longlong.h: Merge PPC tests from upstream.

2005-12-06  Richard Guenther  <rguenther@suse.de>

        * fold-const.c (fold_convert): Do not build and fold
        CONVERT_EXPR, but always use NOP_EXPR.

2005-12-06  Jan Beulich  <jbeulich@novell.com>

        * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
        __builtin_ia32_paddq and __builtin_ia32_psubq.
        (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
        __builtin_ia32_pshufw.
        * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.

2005-12-05  James E Wilson  <wilson@specifix.com>

        PR target/24934
        * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
        is set.

2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
        
        * print-tree.c (print_node): Ditto.
        * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
        * tree-dump.c (dequeue_and_dump): Check for decl_common structure
        before accessing DECL_ARTIFICIAL. 
        Handle new tag tree codes.
        * tree-flow-inline.h (clear_call_clobbered): Update for tag
        changes.
        (unmodifiable_var_p): Ditto.
        * tree-flow.h (mem_tag_kind): Remove.
        (struct var_ann_d): Remove mem_tag_kind member.
        * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
        * tree-pretty-print.c (dump_generic_node): Handle memory tags.
        * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
        (group_aliases): Ditto.
        (setup_pointers_and_addressables): Ditto.
        (is_escape_site): Ditto.                                          
        (may_alias_p): Ditto.
        (create_tag_raw): New function.
        (create_memory_tag): Use it.
        (dump_alias_info): Update for tags.
        (may_be_aliased): Ditto.
        (add_type_alias): Ditto.
        (new_type_alias): Ditto.
        (create_sft): Ditto.
        (create_structure_vars): Ditto.
        * tree-ssa-ccp.c (get_default_value): Ditto.
        * tree-ssa-operands.c (get_expr_operands): Ditto.
        (add_stmt_operand): Ditto.
        (add_call_clobber_ops): Remove duplicated condition.
        * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
        tags.
        * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
        * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
        * tree.c (init_ttree): Update structures for new tree codes.
        (tree_code_size): Update sizes for new tree codes.
        (make_node_stat): Don't try to set common things on minimal
        structures.
        (tree_node_structure): Update for tags.
        (is_global_var): Ditto.
        * tree.def: Add new tree codes.
        * tree.h (MTAG_P): New macro.
        (TREE_MEMORY_TAG_CHECK): Ditto.
        (SSA_VAR_P): Update for tags.
        (struct tree_memory_tag): New structure.
        (MTAG_GLOBAL): New macro.
        (union tree_node): Add memory tag member.
        * treestruct.def (TS_MEMORY_TAG): New.
        
2005-12-05  Dale Johannesen  <dalej@apple.com>

        * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
        what was approved (PR 24323).

2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * doc/c-tree.texi (Function Bodies): Remove description of
        RETURN_INIT.

2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>

        * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
        __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
        __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
        __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
        __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
        __divxc3): Document.

2005-12-05  Geoffrey Keating  <geoffk@apple.com>

        * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
        previous behaviour.
        * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
        hook_bool_void_false.
        (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
        * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.

        * config/darwin.c (machopic_select_section): It's not defined
        as weak if it's only marked as weak_import.
        
        * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
        Prototype.

        * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
        A hidden weak object does bind locally.  Strong linkonce data
        counts like any other strong symbol for binding.
        (weak_finish_1): Don't specially handle weakrefs, they no longer
        arrive here.
        (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
        * c-common.c (handle_alias_attribute): Allow static aliases
        of variables.
        (handle_weakref_attribute): Don't call declare_weak on weakrefs.
        * gthr-dce.h: Make weakrefs static.
        * gthr-tpf.h: Likewise.
        * gthr-solaris.h: Likewise.
        * gthr-posix.h: Likewise.
        * gthr-posix95.h: Likewise.
        * config/darwin.c (darwin_encode_section_info): static weakref
        variables are not necessarily defined in this translation unit.
        * doc/extend.texi (Function Attributes): Mention that an alias
        attribute creates a definition for the thing it's attached to.
        Change the documentation for weakref to say that the thing
        it's attached to must be static.

        * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
        we don't go into an infinite loop.

2005-12-05  Paolo Bonzini  <bonzini@gnu.org>

        * config/rs6000/predicates.md (logical_const_operand): Split
        out of logical_operand.
        (logical_operand): Use it.
        * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
        logical_const_operand.

2005-12-05  Jan Beulich  <jbeulich@novell.com>

        * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
        and IX86_BUILTIN_CMPNESS.
        (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
        * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
        * config/i386/i386.md (movti_internal): Correct type attribute.
        Simplify mode attribute.
        (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
        Correct type attribute.
        (absxf2): Correct operator.
        * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
        movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
        * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
        mode attribute.
        (sse2_vmsqrtv2df2): Correct mode attribute.

2005-12-05  Jan Beulich  <jbeulich@novell.com>

        * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
        16 bits. Provide insn pattern for this case.

2005-12-05  Jan Beulich  <jbeulich@novell.com>

        * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
        result.
        (__popcountDI2): Likewise.

2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/25166
        * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
        _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
        * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
        functions.

2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>

        * c-typeck.c (null_pointer_constant_p): New function.
        (build_conditional_expr, build_c_cast, convert_for_assignment,
        build_binary_op): Use it.

2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>

        * c-common.c (binary_op_error): Do not allow NOP_EXPR.
        (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
        CONVERT_EXPR.
        (check_function_arguments_recurse): Allow both NOP_EXPR and
        CONVERT_EXPR but check conversions preserve precision.
        * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
        but check conversions preserve precision.
        (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
        default case.

2005-12-04  Roger Sayle  <roger@eyesopen.com>

        PR c/7776
        * common.opt (Wstring-literal-comparison): New command line option.
        * c-opts.c (c_common_handle_option): Set it with -Wall.
        * c-typeck.c (parser_build_binary_op): Issue warning if either
        operand of a comparison operator is a string literal, except for
        testing equality or inequality against NULL.

        * doc/invoke.texi: Document new -Wstring-literal-comparison option.

2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>

        * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
        of building a NOP_EXPR.
        (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
        NOP_EXPR.
        * c-convert.c (convert): Use fold_convert instead of building
        NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
        c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
        #if 0 code.
        * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
        NOP_EXPR the same as CONVERT_EXPR.
        * c-typeck.c (build_function_call): Use fold_convert instead of
        building a NOP_EXPR directly.
        (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.

2005-12-03  Alan Modra  <amodra@bigpond.net.au>

        PR rtl-optimization/25197
        * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
        have a reg.

2005-12-02  Stuart Hastings  <stuart@apple.com>

        * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
        warning.

2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>

        * c-typeck.c (default_function_array_conversion,
        build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
        (build_conditional_expr): Apply integer_zerop to orig_op1 and
        orig_op2.  Don't check them for NOP_EXPR.
        (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
        around integer zero.

2005-12-03  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
        toc_save_offset, toc_size, lr_size.
        (rs6000_stack_info): Use memset rather than bss struct copy to init.
        Test rs6000_ra_ever_killed last in condition setting lr_save_p.
        Adjust for removal of unused rs6000_stack_t fields.
        (debug_stack_info): Adjust.
        (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
        first, and don't bother checking for set/inc of lr on sibcalls.
        (rs6000_emit_epilogue): Tidy code restoring stack pointer.

2005-12-02  Jakub Jelinek  <jakub@redhat.com>

        PR target/25199
        * config/i386/i386.md (movqi_1): Only force imovx for alternative
        5 if operand 1 is not aligned.  Undo previous constraint change.
        * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.

2005-12-02  Richard Guenther  <rguenther@suse.de>

        * tree.h (build): Remove prototype.
        (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
        * tree.c (build): Remove.
        (build0_stat): Update comment.

2005-12-02  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
        * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
        Likewise.
        * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
        maybe_fold_offset_to_component_ref): Likewise.
        * tree-ssa-dom.c (thread_across_edge,
        simplify_rhs_and_lookup_avail_expr,
        find_equivalent_equality_comparison, record_equivalences_from_stmt):
        Likewise.
        * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
        * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
        lower_try_finally_switch): Likewise.
        * tree-if-conv.c (add_to_dst_predicate_list,
        replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
        * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
        voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
        gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
        gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
        shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
        gimplify_init_ctor_eval, gimplify_init_constructor,
        gimplify_variable_sized_compare, gimplify_boolean_expr,
        gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
        gimplify_expr, gimplify_body, gimplify_function_tree,
        force_gimple_operand): Likewise.
        * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
        * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
        mx_register_decls): Likewise.
        * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
        get_frame_field, finalize_nesting_tree_1): Likewise.
        * tree-inline.c (setup_one_parameter): Likewise.
        * tree-vect-transform.c (vectorizable_condition): Likewise.
        * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
        Likewise.
        * tree-profile.c (tree_gen_edge_profiler): Likewise.
        * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
        * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
        * tree-chrec.h (build_polynomial_chrec): Likewise.

2005-12-02  Richard Guenther  <rguenther@suse.de>

        * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
        alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
        * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
        * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
        * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
        * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
        * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
        Likewise.
        * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
        sh_adjust_unroll_max): Likewise.
        * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
        * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
        * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
        Likewise.
        * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
        Likewise.
        * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
        Likewise.

2005-12-02  Richard Guenther  <rguenther@suse.de>

        * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
        simplify_cond_using_ranges): Use buildN instead of build.
        * tree-tailcall.c (adjust_accumulator_values,
        adjust_return_value): Likewise.
        * tree-sra.c (generate_one_element_ref, generate_copy_inout,
        generate_element_copy, generate_element_zero,
        generate_one_element_init): Likewise.
        * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
        * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
        lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
        perfect_nestify): Likewise.

2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (pa_secondary_reload): Revise initialization of variable regno.

2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * ggc.h (GGC_RESIZEVEC): New.

2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * gcc.c (execute): Improve readability.

2005-12-02  Richard Guenther  <rguenther@suse.de>

        * tree-cfg.c (mark_used_vars): New function.
        (dump_function_to_file): Dump only used VAR_DECLs.

2005-12-02  Richard Guenther  <rguenther@suse.de>

        * convert.c (convert_to_integer): Fix compare for nonpositive
        constant to use tree_int_cst_sgn <= 0.

2005-12-02  Richard Guenther  <rguenther@suse.de>

        * convert.c (convert_to_integer): Use fold_convert instead
        of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
        instead of comparing against 0.  Use build_int_cst instead
        of converting integer_zero_node.

2005-12-02  Richard Guenther  <rguenther@suse.de>

        * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
        and RROTATE_EXPR.
 
2005-12-02  Alan Modra  <amodra@bigpond.net.au>

        PR target/21017
        * combine.c (simplify_logical <IOR>): Simplify more patterns to
        rotates.

2005-12-02  Alan Modra  <amodra@bigpond.net.au>

        PR middle-end/25176
        * function.c (expand_function_end): Emit blockage for unwinder
        after return label.

2005-12-01  Roger Sayle  <roger@eyesopen.com>

        * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
        constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
        * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
        integer constant comparisons.

2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
            Janis Johnson  <janis187@us.ibm.com>
            David Edelsohn  <dje@watson.ibm.com>
            Ben Elliston  <bje@au.ibm.com>

        * dfp.h, dfp.c: New files.
        * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
        (DECNUM_H): Likewise.
        (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
        (INCLUDES): Append $(DECNUMINC).
        (OBJS-common): Add dfp.o.
        (dfp.o): New rule.
        * real.h (EXP_BITS): Pinch one bit to ..
        (struct real_value): Add decimal field.
        (real_format): Change table size, update documentation.
        (REAL_MODE_FORMAT): Update for to handle float, decimal float.
        (real_from_string3): Declare.
        (decimal_single_format): Declare.
        (decimal_double_format): Declare.
        (decimal_quad_format): Declare.
        (REAL_VALUE_TO_TARGET_DECIMAL32): New.
        (REAL_VALUE_TO_TARGET_DECIMAL64): New.
        (REAL_VALUE_TO_TARGET_DECIMAL128): New.
        * real.c: Include dfp.h.
        (normalize): Early return for decimal floats.
        (do_add): Zero decimal field.
        (do_compare): Call do_decimal_compare for decimal floats.
        (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
        (real_arithmetic): Call decimal_real_arithmetic for decimal
        floating point operands.
        (real_identical): If a and b are of differing radix, return false.
        (real_to_integer): Call decimal_real_to_integer if the value is a
        decimal float.
        (real_to_integer2): Likewise, call decimal_real_to_integer2.
        (real_to_decimal): Likewise, call decimal_real_to_decimal.
        (real_to_hexadecimal): Place "N/A" in the return string for
        decimal float.
        (real_from_string3): New variant, given a mode.
        (real_maxval): Use decimal_real_maxval for decimal floats.
        (round_for_format): Use decimal_round_for_format for decimals.
        (real_convert): Use decimal_real_convert where appropriate.
        (significand_size): Handle base 10.
        (encode_decimal_single, decode_decimal_single,
        encode_decimal_double, decode_decimal_double, encode_decimal_quad,
        decode_decimal_quad): New functions.
        (decimal_single_format): New.
        (decimal_double_format): New.
        (decimal_quad_format): New.
        * machmode.def: Add SD, DD and TD decimal floating point modes.
        * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
        Include MODE_DECIMAL_FLOAT.
        (DECIMAL_FLOAT_MODE_P): New.
        * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
        * genmodes.c (struct mode_data): Add counter field.
        (struct mode_data): Update comment for format.
        (blank_mode): Initialise counter field.
        (new_mode): Increment counter field for each mode defined.
        (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
        using a format.
        (make_complex_modes): Handle modes containing `D'.
        (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
        (make_decimal_float_mode): New.
        (reset_float_format): Handle MODE_DECIMAL_FLOAT.
        (cmp_modes): Compare counter field if other characteristics
        similar.
        (emit_real_format_for_mode): Support formats for decimal floats.
        * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
        Document MODE_DECIMAL_FLOAT.

2005-12-02  Alan Modra  <amodra@bigpond.net.au>

        * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
        Delete dead code.

2005-12-01  Richard Henderson  <rth@redhat.com>

        * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.

2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.

        * config/pa/pa.c (pa_init_builtins): If we detect
        DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
        putc_unlocked.

2005-12-01  Richard Guenther  <rguenther@suse.de>

        * fold-const.c (fold_binary): Use fold_build2, not
        fold (build (...)).

2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>

        * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.

        * vec.h (VEC_block_remove): New.

2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        PR c/13384
        * c-common.c (lvalue_error): Fix wording.

2005-12-01  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
        thinko in last patch.

2005-12-01  Geoffrey Keating  <geoffk@apple.com>

        * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
        than -flat_namespace.

2005-12-01  Ben Elliston  <bje@au.ibm.com>

        * mklibgcc.in: Parameterise the script to build soft float
        functions by iterating over each type, rather than cloning the
        code for each type.

2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        PR middle-end/25158
        * builtins.c (fold_builtin_fputs): Defer check for missing
        replacement functions.

2005-11-30  Kean Johnston  <jkj@sco.com>

        * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
        simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.

2005-11-30  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/22501
        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
        function split out from ...
        (forward_propagate_addr_expr): ... here.  Use it to propagate
        ADDR_EXPRs to all uses.

2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
        * builtins.c (expand_builtin_mathfn): Use them.
        (expand_builtin_mathfn_2): Likewise.
        (expand_builtin_mathfn_3): Likewise.
        (expand_builtin_int_roundingfn): Likewise.
        (expand_builtin): Likewise.
        (integer_valued_real_p): Likewise.
        (fold_builtin_int_roundingfn): Likewise.
        (fold_builtin_bitop): Likewise.
        (fold_builtin_logarithm): Likewise.
        (fold_builtin_1): Likewise.
        * convert.c (convert_to_integer): Likewise.
        * fold-const.c (negate_mathfn_p): Likewise.
        (tree_expr_nonnegative_p): Likewise.

2005-11-30  Dale Johannesen  <dalej@apple.com>
            Andrew Pinski  <pinskia@physics.uc.edu>

        * combine.c (find_split_point):  Sign extend bitmask
        when changing bitfield assignment to IOR of AND.

2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>

        * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
        clobber to scratch reg.
        (*decrement_and_branch_until_zero_no_clobber): Remove.
        (decrement_and_branch peephole): Add dummy scratch reg to pattern.
        (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
        * config/ms1/ms1.opt (mmul): Remove.
        * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
        (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.

2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
            Bernd Schmidt  <bernd.schmidt@analog.com>

        * pa/predicates.md (symbolic_operand): Add comment.
        * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
        * pa/pa-protos.h (pa_secondary_reload_class): Delete.
        * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
        (pa_secondary_reload_class): Delete.
        (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
        and pa_secondary_reload_class.  Reorder some checks.  Update inline
        copy of symbolic operand.
        * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.

2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>

        * loop-doloop.c (add_test): Only add jump notes if we did emit a
        jump.

2005-11-30  Jeff Law  <law@redhat.com>

        * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
        handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.

2005-11-30  Jakub Jelinek  <jakub@redhat.com>

        * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
        Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
        (ia64_expand_move): Adjust caller.

        * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
        fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
        negate VAL.

2005-11-30  Paolo Bonzini  <bonzini@gnu.org>

        * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
        Always produce an output if we can remove NEGs or canonicalize
        (minus (minus ...)) expressions.  Provide a fast path for the
        two-operand case.
        (simplify_gen_binary): Do not call simplify_plus_minus.
        (simplify_binary_operation_1): Reassociate at the end of the
        function.

2005-11-29  Evan Cheng  <evan.cheng@apple.com>

        * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
        moves and unpack to speed up.

2005-11-29  David S. Miller  <davem@sunset.davemloft.net>

        * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
        argument, they are always sparc_compare_op0 and sparc_compare_op1.
        (gen_v9_scc): Update callers.
        * config/sparc/sparc.md: Likewise.
        * config/sparc/sparc-protos.h: Update extern declaration.

        * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.

2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>

        * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
        the if.

2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>

        * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
        (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
        (negate_expr): Here.

2005-11-29  Ben Elliston  <bje@au.ibm.com>

        * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
        Fix typo in comment.

2005-11-29  Ben Elliston  <bje@au.ibm.com>

        * Makefile.in (clean-target): Depend on clean-target-libgcc.
        (clean-target-libgcc): Import rule from the top-level Makefile.in.

2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        PR middle-end/20109
        PR middle-end/25120
        * builtins.c (init_target_chars): New.
        (expand_builtin_printf, expand_builtin_fprintf,
        expand_builtin_sprintf, fold_builtin_sprintf,
        maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
        fold_builtin_snprintf_chk, fold_builtin_printf,
        fold_builtin_fprintf): Check for matching format strings using
        the target charset.

2005-11-29  Paul Brook  <paul@codesourcery.com>

        * config.gcc: Do not use fixproto on m68k-elf.

2005-11-28  Roger Sayle  <roger@eyesopen.com>

        * expmed.c (div_cost): Replace with...
        (sdiv_cost, udiv_cost): New.
        (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
        Rename the div and mod fields, used to initialize sdiv_pow2_cheap
        and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
        (expand_divmod): Replace use of div_cost with either sdiv_cost
        or udiv_cost depending upon the signedness of the operation.

2005-11-28  Alexandre Oliva  <aoliva@redhat.com>

        PR libfortran/24991
        * config/darwin.c (machopic_indirection_name,
        machopic_output_indirection): Follow transparent alias chain.

2005-11-28  Alexandre Oliva  <aoliva@redhat.com>

        * varasm.c (ultimate_transparent_alias_target): Add comment.

2005-11-28  Kazu Hirata  <kazu@codesourcery.com>

        * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
        SET_SRC instead of XEXP where appropriate.

2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>

        * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
        __builtin_expect.

2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>

        * config/fp-bit.h (LSHIFT): Take shift count parameter.
        * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
        bit at a time.

2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
        secondary_input_reload_class, made static.  Adapt to new
        infrastructure.
        (secondary_output_reload_class): Delete.
        (TARGET_SECONDARY_RELOAD): New macro.
        * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
        SECONDARY_OUTPUT_RELOAD_CLASS): Delete.

2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>

        PR c++/21166
        * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
        when its natural alignment is > BITS_PER_UNIT.
        * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
        * c-common.c (handle_packed_attribute): Ignore packing on a field
        whose type is naturally char aligned.

2005-11-28  Richard Guenther  <rguenther@suse.de>

        * c-common.c (strict_aliasing_warning): Handle all
        component-ref like accesses.

2005-11-28  Roger Sayle  <roger@eyesopen.com>
            Uros Bizjak  <uros@kss-loka.si>

        PR middle-end/20219
        * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
        sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
        when flag_unsafe_math_optimizations is set and
        we don't care about NaNs or Infinities.

        Move x/expN(y) and x/pow(y,z) transformation into common
        flag_unsafe_math_optimizations section.

2005-11-27  Mark Mitchell  <mark@codesourcery.com>

        * gcc.c (main): Change type of argv to "char **".

2005-11-28  Alan Modra  <amodra@bigpond.net.au>

        * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
        small data sections.
        * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
        * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
        * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
        (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
        output locals to sbss if !rs6000_elf_in_small_data_p.
        (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.

2005-11-28  Alan Modra  <amodra@bigpond.net.au>

        PR target/24997
        * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
        generated by reload.
        * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
        indexed_or_indirect_address.
        (indexed_or_indirect_address): Don't test for base reg.  Call
        address_operand last.  Make it a special predicate.

2005-11-27  Kazu Hirata  <kazu@codesourcery.com>

        * config/m68k/m68k.c (notice_update_cc): Remove useless code.

2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/24575
        * fold-const.c (negate_expr_p): Add case for signed divides if overflow
        is undefined.
        (negate_expr): Likewise.

2005-11-27  Andreas Schwab  <schwab@suse.de>

        * config/m68k/m68k.c: Reindent and fix whitespace, remove
        redundant parens.

2005-11-27  Steven Bosscher  <stevenb@suse.de>

        * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
        has EH predecessor edges.

2005-11-26  Eric Christopher  <echristo@apple.com>

        * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
        register stalls by zero extending to the full register.

2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>

        * config/floatunsisf.c, config/floatunsidf.c,
        config/floatunsixf.c, config/floatunsitf.c: New files.
        * config/ia64/t-hpux: Add floatunsitf.c.
        * config/ia64/ia64.c (ia64_init_libfuncs): Use
        _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.

2005-11-26  Richard Henderson  <rth@redhat.com>

        * c-lex.c (pragma_lex): Rename from c_lex.
        * c-pch.c: Update for pragma_lex rename.
        * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
        * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
        * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
        * config/sol2-c.c, config/v850/v850-c.c: Likewise.
        * doc/tm.texi: Likewise.

2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/23669
        * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
        when overflow is undefined.

2005-11-26  Hans-Peter Nilsson  <hp@axis.com>

        * doc/md.texi (Insn Canonicalizations): Refer to the
        function commutative_operand_precedence for further rules.

2005-11-25  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/21309
        * expmed.c (choose_mult_variant): Return immediately when mult_cost
        is less than zero.  Limit mult_cost to a reasonable upper bound for
        the synthetic multiplication sequence.

2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        PR middle-end/25022
        * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
        fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
        Lookup the explicit replacement functions for any unlocked
        stdio builtin transformations.

2005-11-25  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
        earlyclobber.
        * targhooks.c (default_secondary_reload): Don't require operand 2
        for an input reload to be earlyclobber.

2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * fold-const.c (negate_mathfn_p): Fix comment and add support
        for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
        BUILT_IN_ATANH.

2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>

        PR middle-end/24998
        * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
        _Q_ulltoq for unsigned conversions from SImode and DImode to
        TFmode.

2005-11-25  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/ppc64-fp.c (__floatunditf): New function.
        (__floatundidf, __floatundisf): Likewise.

2005-11-25  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
        (rs6000_override_options): Remove initialization of
        rs6000_sr_alias_set.
        (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
        (rs6000_emit_stack_tie): Same.
        (emit_frame_save): Same.
        (gen_frame_mem_offset): Same.
        (rs6000_emit_prologue): Same.
        (rs6000_emit_epilogue): Same.

2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/24989
        * fold-const.c (fold_build): Convert bool_var != 1 and
        bool_var == 0 to !bool_var.

2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/24990
        * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
        for C being INTEGER_CST.  Likewise for !=.

2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>

        PR middle-end/24998
        * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
        unsigned conversions from SImode to TFmode.

2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>

        * expr.c (expand_expr_real_1): Fix error in last change.

2005-11-24  J"orn Rennecke <joern.rennecke@st.com>

        * caller-save.c: (this_insn_sets): Move into:
        (save_call_clobbered_regs).
        (mark_set_regs): Get this_insn_sets from data.

        (save_call_clobbered_regs): Take sets of the return value by
        sibcalls into account.

2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
        PR target/21623:

        * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
        SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
        (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
        (memory_move_secondary_cost, init_reg_autoinc): Remove
        SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
        Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
        secondary_reload_class call.
        (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
        callers.
        * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
        (push_secondary_reload): Use secondary_reload target hook.
        (secondary_reload_class, scratch_reload_class): New functions.
        (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
        SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
        SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
        * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
        (secondary_reload_class, scratch_reload_class): Declare.
        * reload1.c: Include target.h.
        (reload_adjust_reg_for_temp): New function.
        (reload_adjust_reg_for_icode): Likewise.
        (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
        Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
        call.
        (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
        for inheritance.  Support case when both secondary & tertiary reloads
        are for intermediate registers.
        (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
        with secondary_reload_class call.  Support case when both secondary
        & tertiary reloads are for intermediate registers.
        * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
        (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
        * target.h (secondary_reload_info): New struct / typedef.
        (struct gcc_target): New member secondary_reload.
        * targhooks.c Include reload.h, optabs.h and recog.h.
        (default_secondary_reload): New function.
        * targhooks.h (default_secondary_reload): Declare.
        * doc/tm.texi: Document secondary_reload target hook.  Update
        description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
        * doc/md.texi: Likewise.

        * sh-protos.h (sh_secondary_reload): Declare.
        * sh.c (TARGET_SECONDARY_RELOAD): Override.
        (sh_secondary_reload): New function.
        * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
        (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
        (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
        (HAVE_SECONDARY_RELOADS): Define.
        * sh.md (reload_indf): Rename to:
        (reload_indf__frn).
        (reload_outdf): Rename to:
        (reload_outdf__RnFRm).
        (reload_insf): Rename to:
        (reload_insf__frn).
        (reload_insi): Rename to:
        (reload_insi__i_fpul).

2005-11-24  Uros Bizjak  <uros@kss-loka.si>

        * configure.ac: Require at least texinfo 4.4.
        * configure: Regenerate.

        * doc/install.texi (Tools/packages necessary for building GCC):
        Update required version of texinfo to at least 4.4.
        (Installing GCC: Building): Update required version of texinfo
        to at least 4.4.
        (Installing GCC: Final installation): Update required version
        of texi2dvi to at least 4.4.
        (Host/target specific installation notes for GCC): Update required
        version of texinfo to at least 4.4.

2005-11-24  Richard Guenther  <rguenther@suse.de>
        Dirk Mueller <dmueller@suse.de>

        PR c++/14024
        * c-common.h (strict_aliasing_warning): Declare.
        * c-common.c (strict_aliasing_warning): New function,
        split out from ...
        * c-typeck.c (build_c_cast): ... here.

2005-11-24  Paolo Bonzini  <bonzini@gnu.org>

        * optabs.c (expand_binop): Use swap_commutative_operands_with_target
        to order operands.
        (swap_commutative_operands_with_target): New.

2005-11-24  Paolo Bonzini  <bonzini@gnu.org>

        * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
        also when doing PRE, rather than only for global CPROP.

2005-11-24  Ben Elliston  <bje@au.ibm.com>

        * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
        * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
        formatting.
        (expand_twoval_unop): Likewise.
        (widen_clz): Likewise.
        (expand_parity): Likewise.
        (expand_unop): Likewise.
        (emit_cmp_and_jmp_insn_1): Likewise.
        (prepare_float_lib_cmp): Likewise.

2005-11-24  Ben Elliston  <bje@au.ibm.com>

        * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
        Remove unused `class' variable.

2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        PR c++/21667
        * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
        C/C++ diagnostic function warn_array_subscript_with_type_char.
        * c-common.h (warn_array_subscript_with_type_char): Declare.
        * c-common.c (warn_array_subscript_with_type_char): Define.

2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        PR c/21668
        * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
        compiling at the intersection of C and C++.

2005-11-23  Mark Mitchell  <mark@codesourcery.com>

        * doc/invoke.texi: For man pages, include gcc-vers.texi.
        List @file in the option summary.  Include the libiberty
        documentation for @file.
        * gcc.c (main): Call expandargv.
        * Makefile.in (gcc-vers.texi): Define srcdir.

2005-11-23  Diego Novillo  <dnovillo@redhat.com>

        * passes.c (init_optimization_passes): Document
        sequencing of passes.

2005-11-23  Kazu Hirata  <kazu@codesourcery.com>

        * config/m68k/predicates.md (pcrel_address, extend_operator,
        post_inc_operand, pre_dec_operand): Remove redundant
        conditionals.
        (const_uint32_operand, const_sint32_operand): Use gcc_assert
        instead of abort.
        (valid_dbcc_comparison_p): Rewrite in the lisp style.

2005-11-23  Ben Elliston  <bje@au.ibm.com>

        * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.

2005-11-22  J"orn Rennecke <joern.rennecke@st.com>

        Preparatory work for PR target/21623:
        * alpha.c (secondary_reload_class): Rename to:
        (alpha_secondary_reload_class).
        * alpha.h, alpha-protos.h: Likewise.
        * mn10300.c (secondary_reload_class): Rename to:
        (mn10300_secondary_reload_class).
        * mn10300.h, mn10300-protos.h: Likewise.
        * pa.c (secondary_reload_class): Rename to:
        (pa_secondary_reload_class).
        * pa.h, pa-protos.h: Likewise.
        * rs6000.c (secondary_reload_class): Rename to:
        rs6000_secondary_reload_class.
        * rs6000.h, rs6000-protos.h: Likewise.

2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/22561
        * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.

2005-11-22  Ian Lance Taylor  <ian@airs.com>

        * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
        a mode_class.
        (prepare_cmp_insn): Likewise.

2005-11-22  Kazu Hirata  <kazu@codesourcery.com>

        PR target/23435
        * m68k.md (zero_extendsidi2): Force operands[1] to a register
        if both operands[0] and operands[1] are memory.

2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/23606
        * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
        COMPARISON_CLASS_P and an integral types create create a new
        expression with the new type and fold that.

2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/24988
        * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
        to SUBTARGET_OS_CPP_BUILTINS.

2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>

        * arm.c (emit_set_insn): New function.
        (arm_split_constant): Call it.
        (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
        (arm_legitimize_address): Likewise.  Use plus_constant.
        (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
        (thumb_expand_prologue): Likewise.
        (arm_gen_load_multiple): Use VOIDmode in SET.
        (arm_gen_store_multiple): Likewise.
        (vfp_emit_fstmx): Likewise.  Use plus_constant.
        (emit_multi_reg_push): Likewise.
        (emit_sfm): Use plus_constant.

2005-11-23  Alan Modra  <amodra@bigpond.net.au>

        PR target/24954
        * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
        typo last change.

2005-11-22  Alan Modra  <amodra@bigpond.net.au>

        PR middle-end/24950
        * expmed.c (store_bit_field): Don't attempt to insv a field
        larger than the reg.

2005-11-22  Alan Modra  <amodra@bigpond.net.au>

        PR target/24954
        * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
        explicit sign extension, not a (char) cast.

2005-11-22  Ben Elliston  <bje@au.ibm.com>

        * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
        GET_MODE_CLASS (x) == MODE_FLOAT.
        * config/i386/i386.c: Likewise.
        * config/rs6000/xcoff.h: Likewise.
        * config/rs6000/linux64.h: Likewise.
        * config/rs6000/rs6000.c: Likewise.
        * config/rs6000/rs6000.h: Likewise.
        * config/rs6000/predicates.md: Likewise.
        * config/rs6000/sysv4.h: Likewise.

2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
        flag_pic is set.

        * config/alpha/freebsd.h, config/alpha/linux.h,
        config/arm/linux-elf.h, config/bfin/bfin.h,
        config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
        config/i386/beos-elf.h, config/i386/gnu.h,
        config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
        config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
        config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
        config/rs6000/linux64.h, config/rs6000/sysv4.h,
        config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
        config/sh/linux.h, config/sh/sh.h, config/sol2.h,
        config/sparc/linux.h, config/sparc/linux64.h,
        config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.

        * doc/invoke.texi: Document that the macros __pic__ and __PIC__
        are both defined when either flag -fpic or -fPIC are used.

2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>

        * config/fp-bit.c (clzusi): New function.
        (si_to_float, usi_to_float): Use it to compute proper shift.
        (usi_to_float): Preserve guard bits when shifting right.
        * libgcc-std.ver (GCC_4.2.0): New version.
        * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
        __floatundisf): New functions.
        * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
        __floatundisf): Declare.
        * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
        _floatundixf, and _floatunditf.
        * optabs.c (expand_float): If target does not define a pattern for
        signed or unsigned conversion, use an unsigned libcall instead of
        a signed one.
        (init_optabs): Initialize ufloat_optab.

2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>

        * config/rs6000/rs6000.opt (mmulhw): New option.
        * doc/invoke.texi (-mmulhw): Document.
        * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
        for 405 and 440.
        * config/rs6000/rs6000.md: Add half-word multiply and
        multiply-accumulate instructions for 405 and 440.

2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>

        * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
        which matches behavior of gcc 4.0 and older for RTEMS targets.  The
        default now includes a linker group which makes the RTEMS one nest.

2005-11-22  Ben Elliston  <bje@au.ibm.com>

        * cse.c (fold_rtx): Typo fix.
        (find_comparison_args): Pass the mode of arg1, not arg1 itself.

2005-11-21  Richard Henderson  <rth@redhat.com>

        * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
        langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.

        * c-tree.h (lookup_name): Move declaration ...
        * c-common.h (lookup_name): ... here.
        * config/darwin-c.c: Include c-common.h.
        * config/t-darwin: Update dependencies.

2005-11-22  Ben Elliston  <bje@au.ibm.com>

        * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
        explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
        * genopinit.c (gen_insn): Likewise.
        * reload.c (find_equiv_reg): Likewise.
        * loop.c (load_mems): Likewise.
        * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
        * cse.c (find_comparison_args, fold_rtx): Likewise.
        * dwarf2out.c (add_const_value_attribute): Likewise.
        * expr.c (convert_move): Likewise.
        * recog.c (general_operand, register_operand): Likewise.
        * reg-stack.c (replace_reg): Likewise.
        * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
        * c-common.c (handle_vector_size_attribute): Likewise.
        * simplify-rtx.c (simplify_const_unary_operation): Likewise.
        (simplify_binary_operation_1): Likewise.
        (simplify_const_binary_operation): Likewise.
        (simplify_relational_operation): Likewise.
        (simplify_const_relational_operation): Likewise.
        (simplify_immed_subreg): Likewise.
        * emit-rtl.c (gen_lowpart_common): Likewise.
        * expmed.c (expand_mult): Likewise.
        * stor-layout.c (layout_type): Likewise.

2005-11-21  Paolo Bonzini  <bonzini@gnu.org>

        PR target/24951
        * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
        cst2 only for SPE vectors.

2005-11-21  David Edelsohn  <edelsohn@gnu.org>

        PR target/24953
        * config/rs6000/predicates.md (vrsave_operation): Check
        UNSPEC_VOLATILE value.

2005-11-21  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/24653
        * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.

2005-11-21  Uros Bizjak  <uros@kss-loka.si>

        * config/i386/predicates.md (ax_reg_operand): New predicate.
        (memory_displacement_only_operand): New predicate.
        * config/i386/i386.md ("modrm" attribute): Return 0 if one
        operand is AX register and the other operand is memory operand
        with displacement only.

2005-11-21  Uros Bizjak  <uros@kss-loka.si>

        * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
        if we don't care about NaNs or Infinities.

2005-11-20  Ian Lance Taylor  <ian@airs.com>

        PR rtl-optimization/24883
        * combine.c (combinable_i3pat): When checking whether the
        destination of i3 is used in i3, consider paradoxical subregs.

2005-11-21  Kazu Hirata  <kazu@codesourcery.com>

        PR middle-end/20583
        * cse.c (cse_insn): Reject invalid forms of CONST earlier.

2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>

        * combine.c (try_combine): Do not run subst on i1src and i2src in
        the case of generating a PARALLEL for a comparison.

2005-11-20  Richard Henderson  <rth@redhat.com>

        PR 24931
        * tree-sra.c (struct sra_elt): Add all_no_warning.
        (struct sra_walk_fns) <use>: Add use_all argument.
        (sra_walk_expr): Pass it.
        (sra_walk_modify_expr): Likewise.
        (scalarize_ldst): Likewise.
        (scan_use): Update for new argument.
        (mark_no_warning): New.
        (scalarize_use): Use it.

2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>

        * expr.c (expand_expr_real): Use usmul_optab for widening
        signed * unsigned multiplies.
        * genopinit.c (optabs): Add usmul_widen_optab.
        * optabs.c (init_optabs): Likewise.
        * optabs.h (enum optab_index): Add OTI_usmul_widen.
        (usmul_widen_optab): Define.
        * config/bfin/bfin.md (usmulhisi3): New pattern.

        * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.

2005-11-20  Graham Stott <btinternet.com>

        * gensupport.c (std_preds): Fixed extraneous `false` in last change.

2005-11-20  Andreas Schwab  <schwab@suse.de>

        PR target/24757
        * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
        insn.

2005-11-19  Richard Henderson  <rth@redhat.com>

        PR tree-opt/24665
        * tree-gimple.c (is_gimple_id): Export.
        * tree-gimple.h (is_gimple_id): Declare.
        * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
        (get_default_value): Use it.
        (maybe_fold_stmt_indirect): Likewise.

2005-11-19  James A. Morrison  <phython@gcc.gnu.org>

        * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
        than VR1 or vice-versa.

2005-11-19  Hans-Peter Nilsson  <hp@axis.com>

        PR middle-end/24912
        PR middle-end/24750
        * reload.c (find_reloads_address_1): Mention dependency on
        gen_reload.
        * reload1.c (gen_reload): For IN with an unary operation, try
        moving inner expression to OUT if trivial SET is not valid.
        Confirm that the result is valid.  Move common code block into...
        (emit_insn_if_valid_for_reload): New function.

2005-11-19  Richard Guenther  <rguenther@suse.de>

        * fold-const.c (fold_indirect_ref_1): Make sure we fold
        ARRAY_REFs of constant strings.

2005-11-19  Jakub Jelinek  <jakub@redhat.com>

        * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
        fatal format string.

2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>

        * combine.c (make_compound_operation): Swap operands of
        commutative operation if necessary before returning.

2005-11-19  Richard Guenther  <rguenther@suse.de>

        PR middle-end/23294
        * fold-const.c (fold_plusminus_mult_expr): New function.
        (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
        cases, remove now unnecessary code.

2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>

        * gensupport.c (old_preds): Rename to std_preds, add special field.
        (struct old_pred_table): Rename to struct std_pred_table, add special
        field.
        (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
        (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
        (init_predicate_table): Adjust, and set along the way whether a
        predicate is special.

2005-11-18  Mark Mitchell  <mark@codesourcery.com>

        * BASE-VER: Change to 4.2.0.

2005-11-18  James E Wilson  <wilson@specifix.com>

        * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
        returning it.

2005-11-18  Mike Stump  <mrs@apple.com>

        * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
        * config/darwin-c.c (darwin_pragma_unused): Likewise.
        * c-decl.c (lookup_name_two) Remove.
        * c-tree.h (lookup_name_two): Remove.
        * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
        * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
        (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
        * langhooks.h (lang_hooks_for_decls): Add lookup_name.

2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>

        PR target/24914
        * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
        when not generating code to use that co-processor.

2005-11-18  James A. Morrison  <phython@gcc.gnu.org>

        * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
        add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
        these functions are now in tree-phinodes.c.

2005-11-18  Jie Zhang  <jie.zhang@analog.com>

        * config/bfin/bfin.md (trap): New pattern.

2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
        on types.

        * expr.c (expand_expr_real): Don't call record_block_change unless
        ib_boundaries_block is non-null

        * postreload.c (reload_cse_move2add): Don't try to work with BImode.

        * fold-const.c (build_range_check): Use proper type for subtraction
        when merging lower bound.

2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>

        PR rtl-optimization/24497
        * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
        the copied insn.

2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-scalar-evolution.c (expression_expensive_p): New function.
        (scev_const_prop): Use compute_overall_effect_of_inner_loop.

2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/crtlibid.s: New file.

2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/24348
        * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
        when not using sjlj exceptions.
        * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
        * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
        * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
        * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
        DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
        * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
        * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
        DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
        ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
        * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
        (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
        DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
        ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
        defines.
        * config/pa/hpux-unwind.h: New file.

2005-11-17  Alexandre Oliva  <aoliva@redhat.com>

        * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
        * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
        * varasm.c (do_assemble_alias): Adjust call.
        (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
        is defined.
        * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.

2005-11-17  James E Wilson  <wilson@specifix.com>

        * tree.def (FUNCTION_DECL): Correct typo in comment.

2005-11-17  Richard Henderson  <rth@redhat.com>

        * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
        (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
        and DW_CFA_def_cfa_sf.
        (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
        (dbx_reg_number): Don't assert particular registers here.
        (based_loc_descr): ... do it here instead.  Fold in ...
        (eliminate_reg_to_offset): ... this function.
        (compute_frame_pointer_to_cfa_displacement): Fold in the effects
        of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
        * unwind-dw2.c (execute_cfa_program): Apply data align factor
        to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
        * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
        (instantiate_virtual_regs): Likewise.
        * var-tracking.c (adjust_stack_reference): Likewise.
        * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.

2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
        * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
        * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
        crtlibid.o.
        ($(T)crtlibid.o): New rule.

2005-11-16  Richard Guenther  <rguenther@suse.de>

        PR middle-end/24851
        * fold-const.c (extract_array_ref): Return byte offset
        in all cases.
        (fold_binary): Fold &x[a] CMP &x[b] to
        a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
        behavior.

2005-11-16  Richard Henderson  <rth@redhat.com>

        PR middle-end/23497
        * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
        parts of an SSA_NAME.

2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>

        PR target/24861
        * arm.md (split for movsf with immediate): Restrict split to insns
        that set a general register.

2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
        uw_update_context.
        * unwind-dw2.c (uw_advance_context): Likewise.
        * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
        _Unwind_SjLj_Unregister.
        * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.

2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>

        * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.

2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>

        * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
        langhook to get a DImode integer type.

2005-11-16  Richard Henderson  <rth@redhat.com>
            J"orn Rennecke <joern.rennecke@st.com>
            Ulrich Weigand  <uweigand@de.ibm.com>

        PR rtl-opt/24160
        PR target/24621
        * reload1.c (reg_equiv_invariant): New.
        (reload): Allocate, initialize, and free it.
        (calculate_needs_all_insns): Check it when skipping equivalence
        setting insns.
        (alter_reg): Likewise.
        (eliminate_regs_1): Rename from eliminate_regs.  Add new
        may_use_invariant argument; only use reg_equiv_invariant when true.
        (eliminate_regs): New.
        (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
        a context for which may_use_invariant may be true.

2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>

        * fold-const.c (const_binop): Don't constant fold the operation
        if the result has overflowed and flag_trapping_math.
        * simplify-rtx.c (simplify_const_binary_operation): Likewise.

2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/arm/unwind-arm.c (abort): Add prototype here.
        (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
        (struct phase1_vrs): Add prev_sp.
        (unwind_phase2_forced): Save the original core registers instead of
        modifying entry_vrs.  Take a new flag argument for resuming unwinding
        and set action flags accordingly.  Always set _US_END_OF_STACK when
        get_eit_entry fails.  Unwind before calling the stop function.
        (_Unwind_GetCFA): New function.
        (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
        (__gnu_Unwind_Resume_or_Rethrow): Likewise.
        (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
        just call unwind_phase2_forced.
        (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
        * config/arm/unwind-arm.h (abort): Remove prototype.
        (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
        prototypes.
        (_Unwind_GetCFA): New prototype.
        * config/arm/pr-support.c (abort): Add prototype here.
        * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
        forced unwinding.
        * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
        not schedule the prologue with non-call exceptions and EABI.

2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>

        * config/arm/unwind-arm.h: Reorder interface function declarations.
        (_URC_END_OF_STACK): New enumeration value.
        (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
        (struct _Unwind_Control_Block): Document reserved field use.
        (_Unwind_Stop_Fn): New typedef.
        (_Unwind_ForcedUnwind): Declare.
        (_Unwind_Resume_or_Rethrow): Declare.
        * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
        argument.  Adjust.
        (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
        * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
        (UCB_FORCED_STOP_ARG): New.
        (search_EIT_table): Update boundary condition checks.
        (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
        (unwind_phase2): Replace for with do..while.
        (unwind_phase2_forced): New.
        (__gnu_Unwind_RaiseException): Replace for with do..while.
        (__gnu_Unwind_ForcedUnwind): New.
        (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
        Use appropriate phase2 unwinder.
        (__gnu_Unwind_Resume_or_Rethrow): New.
        (__gnu_unwind_pr_common): Cope with forced unwinding.

2005-11-16  David Edelsohn  <edelsohn@gnu.org>

        PR target/24772
        * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.

        * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
        roundsf2): Remove "s" from mnemonic.

2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
        __PIC__ is defined.
        * config/bfin/crtn.s: Change epilogues to match.
        * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
        * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
        __PIC__ and __pic__.

2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        PR 24357
        * doc/invoke.texi: Distinguish between free and fixed form instead of
        Fortran and Fortran 90/95.  Remove ratfor from the list of supported
        languages.
        * gcc.c (default_compilers): Remove double entries, add entries for
        suffixes '.F90' and '.F95'.

2005-11-16  Eric Botcazou <ebotcazou@adacore.com>

        * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
        in the stack probing loop.

2005-11-15  David Edelsohn  <edelsohn@gnu.org>

        * configure.ac: Use .machine power5 not power5x.
        * configure: Regenerate.

2005-11-15  Mike Stump  <mrs@apple.com>

        * c-decl.c (lookup_name_two): Add.
        * c-tree.h (lookup_name_two): Likewise.
        * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
        * config/darwin-c.c (darwin_pragma_unused): Likewise.

2005-11-16  Alan Modra  <amodra@bigpond.net.au>

        PR rtl-optimization/23392
        * regrename.c (enum scan_actions) Add mark_access.
        (scan_actions_name): Ditto.
        (scan_rtx_reg): Handle mark_access.
        (scan_rtx_address): Do nothing for mark_access.
        (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
        and regs in REG_INC notes before closing chains for dead regs.
        Mark destination regs in REG_FRAME_RELATED_EXPR notes after
        opening chains for new writes.

2005-11-15  David Edelsohn  <edelsohn@gnu.org>

        * c.opt (ffixed-line-length-none): New.

2005-11-15  Steve Ellcey  <sje@cup.hp.com>

        * mklibgcc.in: Change contents of eh_dummy.c.

2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>

        * loop.c (scan_loop): Do not insert temporaries for hard registers.

2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
        of making syscalls.
        * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.

2005-11-15  Jan Hubicka  <jh@suse.cz>

        * invoke.texi (large-unit-insns): Document.
        * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
        * params.def (large-unit-insns): New param.

2005-11-15  Hans-Peter Nilsson  <hp@axis.com>

        PR target/24869
        * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
        special register for operand 3.  Reindent constraints to align
        them vertically.

2005-11-14  David Edelsohn  <edelsohn@gnu.org>

        * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
        -mpopcntb, -mfprnd. Add -mcpu=power5+.
        * configure.ac: Add test for FP rounding instructions.
        * configure: Regenerate.
        * config.in: Regenerate.
        * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
        _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
        features enabled.
        * config/rs6000/rs6000.opt (mfprnd): New.
        * config/rs6000/rs6000.c (processor_target_table): Add power5+.
        (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
        * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
        * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
        (TARGET_FPRND): New.
        * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
        UNSPEC_FRIZ): New.
        (btrunc<mode>2): New.
        (ceil<mode>2): New.
        (floor<mode>2): New.
        (round<mode>2): New.

2005-11-14  Geoffrey Keating  <geoffk@apple.com>

        * gcc.c (version_compare_spec_function): Use fatal() rather than
        abort().

        * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
        (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
        * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
        as empty.
        * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
        link in crt2.o.

        * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
        on -mmacosx-version-min setting.

2005-11-14  Diego Novillo  <dnovillo@redhat.com>

        PR 24840
        * tree-vrp.c (infer_value_range): Return false if STMT is a
        block terminator and its basic block has no successors.

2005-11-14  Mike Stump  <mrs@apple.com>

        * config/i386/i386.c (override_options): -masm=intel isn't
        supported on darwin.
        * doc/invoke.texi (i386 and x86-64 Options): Likewise.

2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>

        * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
        vfork after including auto-host.h.

2005-11-15  Alan Modra  <amodra@bigpond.net.au>

        PR rtl-optimization/22002
        * combine.c (distribute_notes): Detect cases where a reg dies
        two or more times in a bb, including on the insn we are combining,
        and place the death note on the correct range.

2005-11-14  Dale Johannesen  <dalej@apple.com>

        * expmed.c (store_bit_field):  Add offset unconditionally for
        memory targets.
        (extract_bit_field):  Don't force extzv or extv operand into
        a register if field is too big.

2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/arm/arm.c (pic_labelno): New.
        (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
        LABEL_REF.  Pass only the labelno to PIC insns.
        (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
        (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
        * arm.md (UNSPEC_PIC_LABEL): New constant.
        (pic_add_dot_plus_four, pic_add_dot_plus_eight)
        (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
        Use the correct label prefix.

2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
        REQ_EQUIV note.

2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>

        * loop-invariant.c: Include tm_p.h.
        * Makefile.in: Updated.

2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (store_reg): Revise generation of frame notes in large frames.
        (set_reg_plus_d): Likewise.

2005-11-13  Andrew MacLeod  <amacleod@redhat.com>

        PR tree-optimization/24709
        * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
        loop check.

2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
        and duplicate declaration of pthread_self.

2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
            Ian Lance Taylor  <ian@airs.com>

        PR middle-end/24003
        * calls.c (expand_call): If TARGET is a MEM and some part of the
        argument area has been saved, force TARGET to a register.

2005-11-13  Razya Ladelsky <razya@il.ibm.com>

        * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
        checking.

2005-11-13  Jason Merrill  <jason@redhat.com>

        PR c++/22489
        * dwarf2out.c (gen_subprogram_die): Force a declaration die for
        lazily declared methods.
        (force_decl_die): Stop if forcing out the context already make a
        DIE for the decl.
        (force_type_die): Likewise.

2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/24820
        * builtins.c (integer_valued_real_p): Add break in
        REAL_CST having TREE_OVERFLOW set.

2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
        addressing modes during calculation of costs.

2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>

        * function.c (assign_stack_local_1): Restrict sanity check
        on frame size overflow to 32-bit and above platforms.

2005-11-12  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
        * config/cris/cris.c: Include reload.h.
        (cris_initial_elimination_offset): New function.
        * config/cris/cris-protos.h: (cris_initial_elimination_offset):
        Prototype.

2005-11-12  Richard Guenther  <rguenther@suse.de>

        * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.

2005-11-12  Jan Hubicka  <jh@suse.cz>

        * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
        to compare against 0 when possible.

2005-11-12  Jie Zhang  <jie.zhang@analog.com>

        * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
        HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
        REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
        * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
        in the new order.

2005-11-12  Hans-Peter Nilsson  <hp@axis.com>

        * recog.c (constrain_operands) <case 'g'>: For a match, require
        that a non-register matches general_operand when strict >= 0.

2005-11-11  Steven Bosscher  <stevenb@suse.de>

        * loop-invariant.c (move_loop_invariants): Fix a thinko in the
        previous checkin.

2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>

        * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
        (memory_address_same): New.
        (dse_optimize_stmt): Call memory_address_same.

2005-11-12  Hans-Peter Nilsson  <hp@axis.com>

        PR middle-end/24750
        * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
        ZERO_EXTEND>: New cases.

2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>

        * longlong.h (__clz_tab): Always provide.

2005-11-11  Steven Bosscher  <stevenb@suse.de>

        PR 24265
        * loop-invariant.c (may_assign_reg_p): Make sure a hard register
        can be assigned to.
        (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
        before check_maybe_invariant.
        (move_invariant_reg): Use gen_move_insn instead of replacing
        SET_DEST with the temporary for the invariant.
        (move_loop_invariants): If checking is enabled, do internal
        consistency checks after completing the pass.

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

        PR 24644
        * common.opt (Wvolatile-register-var): New.
        * varasm.c (make_decl_rtl): Only emit warning when option
        specified.  Clarify warning message.
        * doc/invoke.texi (Wvolatile-register-var): Document new option.

        * doc/md.texi (copysign): Document standard named pattern.

2005-11-11  Jie Zhang  <jie.zhang@analog.com>

        * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
        bytes when align is 2.
        * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
        by the first instruction of the loop.

2005-11-11  Jason Merrill  <jason@redhat.com>

        PR c++/24686
        * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
        the cleanup list.

2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>

        PR rtl-optimization/22509
        * local-alloc.c (memref_used_between_p): Check whether a function call
        could not reference the memref.

2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>

        * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
        algorithm so as to choose the best, not the worst, alternative.
        Reset accumulated register class before processing next alternative.

2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/24445
        * calls.c (expand_call): Copy a return value to a plain register
        if needed.

2005-11-10  Alexandre Oliva  <aoliva@redhat.com>

        PR target/24778
        * varasm.c (assemble_name): Recompute name only for transparent
        aliases.

2005-11-10  Hans-Peter Nilsson  <hp@axis.com>

        * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.

2005-11-04  Jeff Law  <law@redhat.com>

        PR middle-end/23181
        * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
        perform reassociation if the parent statement will not die as
        a result of the optimization.

2005-11-10  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-alias.c (compute_may_aliases): Remove call to
        delete_old_heap_vars.
        * tree-dfa.c (referenced_var_remove): Remove function.
        * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
        (delete_tree_ssa): Remove call to delete_old_heapvars.
        Add call to delete_alias_heapvars.
        * tree-flow.h (referenced_var_remove): Remove prototype
        (init_alias_heapvars): New prototype.
        (delete_alias_heapvars): Ditto.
        * Makefile.in (tree-ssa-structalias.o): Add
        gt-tree-ssa-structalias.o
        (GTFILES): Add tree-ssa-structalias.h and
        tree-ssa-structalias.c.
        (s-gtype): Add gt-tree-ssa-structalias.h.
        * tree-ssa-structalias.c (heapvars): Remove.
        (oldheapvars): Remove.
        (heapvar_for_stmt): New variable.
        (heapvar_lookup): New function.
        (heapvar_insert): Ditto.
        (get_constraint_for): See if we have an old heapvar
        to reuse.
        (init_alias_heapvars): New function.
        (delete_alias_heapvars): Ditto.
        Add include of gt-tree-ssa-structalias.h.

2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR middle-end/22127
        * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.

2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.c (int_fits_type_p): Only look at the base type
        if it has the same precision as the original type.

2005-11-10  Jakub Jelinek  <jakub@redhat.com>

        PR other/4372
        * varasm.c (assemble_alias): Use %q+D in the error
        message instead of %J and %qD.

2005-11-10  Richard Guenther  <rguenther@suse.de>

        * gcse.c (free_ldst_entry): Only free hashtable if
        it exists.

2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>

        * function.c (assign_stack_local_1): Issue an error message if
        the frame size overflows in the signed target arithmetics.

2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.c (build_qualified_type): Chain the new type to the original
        type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
        a POINTER_TYPE or a REFERENCE_TYPE respectively.
        (build_pointer_type_for_mode): Only return unqualified types.
        (build_reference_type_for_mode): Likewise.

2005-11-09  Jakub Jelinek  <jakub@redhat.com>

        * Makefile.in (gnucompare): Do comparison of all files using one of
        the chosen methods and only afterwards decide if just warning should
        be issued or comparison failure raised.

2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>

        * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
        (noce_try_abs): Negate if the comparison is reversed.
        Look only one instruction backwards for a REG_EQUAL note.

2005-11-09  Alexandre Oliva  <aoliva@redhat.com>

        PR other/4372
        * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
        gthr-tpf.h: Define __gthrw.  For all identifiers that might
        be weak, introduce weakrefs or non-weak aliases with __gthrw,
        and prefix all uses with __ghtrw.

2005-11-09  Alexandre Oliva  <aoliva@redhat.com>

        PR other/4372
        * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
        (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
        * c-common.c (handle_weakref_attribute): New.
        (c_common_attribute_table): Add weakref.
        * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
        in the assembler.
        * configure, config.in: Rebuilt.
        * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
        * doc/extend.texi: Document weakref attribute.
        * varasm.c (ultimate_transparent_alias_target): New
        (assemble_name): Use it.
        (weak_finish_1): Split out of...
        (weak_finish): ... and deal with weakrefs in...
        (weakref_targets): ... new list.
        (globalize_decl): Clean up weakref_targets.
        (do_assemble_alias): Handle weakrefs.
        (finish_aliases_1): Do not reject weakrefs to external symbols.
        (assemble_alias): Handle weakrefs.

2005-11-09  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/24716
        * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
        t_bool to track results from follow_ssa_edge.

2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>

        * final.c (force_source_line): New global variable.
        (final_scan_insn): Set it to true instead of clearing last_filename.
        (notice_source_line): Return true if force_source_line is true,
        unless source info is absent.

2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>

        PR c/24644
        * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
        a linkage name for a variable if it a register variable.
        * c-decl.c (grokdeclarator): Global register variables
        should be set as PUBLIC.

2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>

        PR 24624
        * config/s390/s390.c (struct s390_frame_layout): New fields
        first_save_gpr_slot and last_save_gpr_slot.
        (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
        s390_emit_epilogue, s390_initial_elimination_offset): Replaced
        first_save_gpr and last_save_gpr with the _slot variants.
        (s390_register_info): Calculate first_save_gpr_slot and
        last_save_gpr_slot using regs_ever_live.

2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>

        PR 24623
        * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
        for a function containing a landing pad.

2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>

        PR 24034
        * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
        is live afterwards.

2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
        MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.

2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>

        Add ms2 support
        * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
        constants.
        (call,load,store): New insn types.
        (mem_access, branch_access): Adjust reservation conditions.
        (define_delay): Adjust condition.
        (decrement_and_branch_until_zero): Allow for ms2.  Set branch
        type.
        (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
        (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
        insn type.
        (call_internal, call_value_internal, return_internal,
        return_interrupt_internal, eh_return_internal, indirect_jump,
        tablejump): Set call insn type.
        (blockage, ei, di): Use appropriate unspec const.
        * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
        (ms1_get_attr_type): Adjust to give load & store types.
        (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
        backwards past a barrier.
        (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
        branch scheduling.
        (struct branch_info, struct label_info): New.
        (ms1_labels): New.
        (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
        (ms1_machine_reorg): New.
        (TARGET_MACHINE_DEPENDENT_REORG): Override.
        * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
        * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
        (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
        (TARGET_MS2): New.

2005-11-09  Per Bothner  <per@bothner.com>
            Uros Bizjak  <uros@kss-loka.si>

        PR c/24101
        * toplev.c (process_options): Initialize debug_hooks early
        in case lang_hooks.post_options ends up calling a debug_hook.

2005-11-08  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
        DBX_REGISTER_NUMBER being contiguous.

2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
            Diego Novillo  <dnovillo@redhat.com>

        PR 23046
        * tree-vrp.c (register_edge_assert_for): Do not register
        always-false predicates.

2005-11-08  Devang Patel <dpatel@apple.com>

        PR tree-optimization/23115
        * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
        relation.

2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>

        * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
        -mcpu=440.

2005-11-08  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/23382

        * tree-ssa-alias.c (compute_may_aliases): Call
        delete_old_heap_vars.
        * tree-dfa.c (referenced_var_remove): New function.
        * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
        * tree-flow.h (referenced_var_remove): Add prototype.
        (delete_old_heap_vars): Ditto.
        * tree-ssa-structalias.c (heapvars): New variable.
        (oldheapvars): Ditto.
        (get_constraint_for): Put heap vars on heapvars list.
        (delete_old_heap_vars): New function.

2005-11-08  Jason Merrill  <jason@redhat.com>

        * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.

2005-11-08  Uros Bizjak  <uros@kss-loka.si>

        PR target/19340
        * reg-stack.c (reg_to_stack): Update register liveness also
        for flag_sched2_use_traces.

2005-11-08  Alan Modra  <amodra@bigpond.net.au>

        PR target/23704
        * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
        override prior explicit -mno-powerpc-gfxopt.

2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>

        * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
        if the bitsize is zero.
        * doc/md.texi (Standard Pattern Names): Document it.

        * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
        (TARGET_PASS_BY_REFERENCE): Likewise.

2005-11-07  Ian Lance Taylor  <ian@airs.com>

        PR rtl-optimization/24683
        * config/i386/i386.c (legitimize_pic_address): If constant operand
        to PLUS is too large, put it in a register.

2005-11-07  Jie Zhang  <jie.zhang@analog.com>

        * configure.ac: Enable checking assembler dwarf2 support for bfin
        target.
        * configure: Regenerate.

2005-11-07  Paolo Bonzini  <bonzini@gnu.org>

        PR target/24230

        * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
        gen_easy_vector_constant_add_self): Delete.
        (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
        New.
        (output_vec_const_move): Use gen_easy_altivec_constant.
        (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
        * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
        (easy_vector_constant_add_self): Rewritten.
        * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
        easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
        (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
        * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
        Macroize and adjust for the other changes.

2005-11-07  Paolo Bonzini  <bonzini@gnu.org>

        PR c/24599

        * c-typeck.c (build_c_cast): Try using a shared constant, and see
        if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.

2005-11-07  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/23567
        * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
        (noce_process_if_block): Don't do any optimizations except
        if (cond) x = x; if !set_b and write into orig_x may trap
        or fault.  Remove the MEM_READONLY_P check.

2005-11-06  Diego Novillo  <dnovillo@redhat.com>

        PR 24670
        * tree-vrp.c (fix_equivalence_set): New.
        (extract_range_from_assert): Call it.

2005-11-05  Ian Lance Taylor  <ian@airs.com>

        PR target/22432
        * combine.c (apply_distributive_law): Don't distribute across a
        vector mode subreg.

2005-11-05  Kazu Hirata  <kazu@codesourcery.com>

        * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
        config/ms1/ms1.h, config/rs6000/predicates.md,
        config/s390/s390.c, params.def, postreload-gcse.c,
        tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
        tree-vrp.c, tree.c: Fix comment typos.
        * doc/invoke.texi: Fix typos.

2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>

        * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
        for testing whether the data_dependence_relation contains distance
        vectors.  Iterate over all distance vectors of the ddr.
        * lambda.h: Define a vec of lambda_vector pointers.
        * tree-data-ref.c (dump_data_dependence_relation,
        dump_data_dependence_direction): Iterate over all distance and
        direction vectors of the ddr.
        (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
        DDR_DIST_VECTS.
        (build_classic_dist_vector, build_classic_dir_vector): Push a set
        of distance/direction vectors instead of a single one.
        * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
        lambda_vectors with a vec of lambda_vectors.
        (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
        (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
        DDR_NUM_DIST_VECTS): New.
        * tree-loop-linear.c (gather_interchange_stats): Test for the
        existence of distance vectors only after having checked that there
        is a dependence.  Iterate over all distance vectors of the ddr.
        (linear_transform_loops): Use dump_data_dependence_relation.
        * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
        distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
        distance vectors of the ddr.

2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
        expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
        IS_INTHANDLER; all callers changed.
        (n_regs_saved_by_prologue): Take interrupt handler attributes into
        account.
        (do_link, do_unlink): New argument ALL; all callers changed.
        (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
        If function isn't leaf, save and restore all registers.
        (bfin_function_ok_for_sibcall): Only true if not an interrupt or
        exception handler.

2005-11-05  Jan Hubicka  <jh@suse.cz>

        PR rtl-optimization/23490
        * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
        max-flow-memory-location): Document.
        * flow.c: Include params.h
        (MAX_MEM_SET_LIST_LEN): Kill.
        (add_to_mem_set_list): Use new param.
        * cse.c (cse_basic_block): Replace 1000 by new param.
        * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
        PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
        * predict.c (predict_loops): Use new param.
        * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.

        * ipa-inline.c (cgraph_decide_inlining_of_small_function,
        cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
        Do not hold memory returned by cgraph_node_name across other call.

2005-11-04  Hans-Peter Nilsson  <hp@axis.com>

        PR target/23424
        * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
        Disable.

2005-11-04  Jeff Law  <law@redhat.com>

        PR/21883
        * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
        * tree-ssa-dom.c: Include params.h.
        (thread_across_edge): If there are too many statements in the
        target block, then do not thread through it.
        * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
        * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.

2005-11-03  Diego Novillo  <dnovillo@redhat.com>

        PR 24627
        * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
        TODO_update_ssa instead of TODO_update_ssa_no_phi.

2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>

        PR/18595
        * tree-scalar-evolution.c (instantiate_parameters_1,
        instantiate_parameters, resolve_mixers): Compute the size of an
        expression to be instantiated and give up the instantiation if the
        size exceeds PARAM_SCEV_MAX_EXPR_SIZE.

2005-11-04  Richard Guenther  <rguenther@suse.de>

        * tree-flow.h (ref_contains_indirect_ref): Rename to
        array_ref_contains_indirect_ref.
        * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
        (array_ref_contains_indirect_ref): Make comment match the code
        and vice-versa.
        (ref_contains_array_ref): Likewise.
        * tree-ssa-structalias.c (find_func_aliases): Remove call to
        ref_contains_indirect_ref.
        * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
        Rename calls to ref_contains_indirect_ref.

2005-11-04 Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
        gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
        (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
        * config/arm/arm.md: Use match_operand in peephole input templates
        and match_dup in peephole output templates.

2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
        __aeabi_uidiv.

2005-11-04  Mark Mitchell  <mark@codesourcery.com>
            Daniel Jacobowitz  <dan@codesourcery.com>

        * longlong.h (add_ssaaaa): Clobber condition code register
        in ARM version.
        (sub_ddmmss): Likewise.
        (umul_ppmm): Likewise.

2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
            Paul Brook  <paul@codesourcery.com>
            Phil Blundell  <pb@reciva.com>

        * configure.ac: Add test for ARM TLS support.
        * configure: Regenerated.
        * config/arm/arm-protos.h (legitimize_tls_address)
        (arm_tls_referenced_p, tls_mentioned_p)
        (arm_output_addr_const_extra): New prototypes.
        (thumb_legitimize_pic_address): Delete.
        * config/arm/arm.c: Include "gt-arm.h".
        (enum tls_reloc): New.
        (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
        (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
        (arm_call_tls_get_addr, legitimize_tls_address)
        (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
        (arm_init_tls_builtins, arm_emit_tls_decoration)
        (arm_output_addr_const_extra): New functions.
        (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
        (TARGET_HAVE_TLS): Define.
        (target_thread_pointer): New.
        (arm_override_options): Handle -mtp=.
        (legitimize_pic_address): Ignore UNSPECs.
        (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
        relative symbols.
        (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
        (tls_get_addr_libfunc): New variable.
        (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
        (arm_init_builtins): Call arm_init_tls_builtins.
        (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
        (arm_encode_section_info): Call default_encode_section_info.
        * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
        (enum arm_tp_type): New.
        (target_thread_pointer): Add declaration.
        (LEGITIMATE_CONSTANT_P): Handle TLS.
        (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
        (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
        (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
        * config/arm/arm.md: Add UNSPEC_TLS.
        (movsi): Handle TLS.
        (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
        non-PIC.
        (tls_load_dot_plus_eight): New insn and a peephole to create it.
        (load_tp_hard, load_tp_soft): New insns.
        * arm.opt: Add -mtp=.
        * doc/invoke.texi (ARM Options): Document -mtp.

2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/arm/lib1funcs.asm: Don't include "libunwind.S".
        * config/arm/libunwind.S: Include "lib1funcs.asm".
        * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
        (LIB2ADDEH): Add libunwind.S.
        (LIB2ADDEHDEP): Add lib1funcs.asm.
        * mklibgcc.in: Handle asm files in libgcc_eh.a.

2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        PR fortran/18452
        * gcc/c.opt: Add a -lang-fortran option.
        * gcc/c-opts.c: Add a lang_fortran flag.
        (c_common_init_options): Handling the -lang-fortran option.
        (c_common_handle_option): Add a case for Fortran options in
        preprocessing. Remove cases for -ffixed-form and
        -ffixed-line-length. Add a case for -lang-fortran.

2005-11-03  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c: Include params.h
        (optimization_options): Set max-grow-copy-bb-insns default to 16.
        (bdesc_2arg): Delete vpkuhss and vpkuwss.
        * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
        (UNSPEC_VPKUWSS): Delete.
        (altivec_vpkuhss): Delete.
        (altivec_vpkuwss): Delete.
        * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
        final condition.
        (neg_eq0<mode>): Remove final condition.
        (neg_eq<mode>): Remove condition and split-condition.

2005-11-04  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
        Use associated print macros.

2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>

        PR c++/17964
        * diagnostic.c (diagnostic_set_info_translated): New function.
        (diagnostic_set_info): Use it.  Add comment.
        * diagnostic.h (diagnostic_set_info_translated): Declare.

2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>

        * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
        On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
        reference only if 'public' is true.
        (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
        emit the .hidden directive only if the indirect reference is public.
        (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
        Pass it to dw2_force_const_mem.
        * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
        * dwarf2out.c (output_cfi): Adjust calls to above function.
        (output_call_frame_info): Likewise.
        * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
        as 'public' argument to dw2_asm_output_encoded_addr_rtx.

2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/24483
        * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
        field to elts if possible.

2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/23155
        * gimplifier.c (gimplify_expr): Create a temporary for lvalue
        CONSTRUCTOR.

2005-11-03  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/24351

        * tree-ssa-structalias.c (struct variable_info): Add
        collapsed_into.
        (get_varinfo_fc): New function to follow collapsing.
        (new_var_info): Set collapsed_to to NULL.
        (dump_constraint): Follow collapsing.
        (build_constraint_graph): Handle collapsing.
        (do_simple_structure_copy): Return false if something bad
        happened.
        (collapse_rest_of_var): New function.
        (do_structure_copy): Collapse if do_simple_structure_copy returns
        false.

2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/24589
        * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
        expressions to a statement list instead of gimplifying them.

2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR rtl-optimization/23585
        * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
        that can't trap plus a constant integer, if the mode has zero size.

2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>

        PR target/24620
        * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
        as operand 2.
        ("*insv<mode>_reg_extimm"): Likewise.

2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/24329
        * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
        c_common_type_for_mode returns an unnamed type.

2005-11-02  Richard Henderson  <rth@redhat.com>

        PR target/9350
        PR target/24374
        * dwarf2out.c (dwarf2out_reg_save_reg): New.
        (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
        * function.c (assign_parms): Use calls.internal_arg_pointer.
        (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
        code.
        * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
        (TARGET_CALLS): Add it.
        * target.h (struct gcc_target): Add calls.internal_arg_pointer.
        * targhooks.c (default_internal_arg_pointer): New.
        * targhooks.h (default_internal_arg_pointer): Declare.
        * tree.h (dwarf2out_reg_save_reg): Declare.
        * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
        * config/i386/i386.c (dbx_register_map): Add return column.
        (dbx64_register_map, svr4_dbx_register_map): Likewise.
        (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
        (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
        (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
        (ix86_save_reg): Save force_align_arg_pointer.
        (ix86_emit_save_regs): Make regno unsigned.
        (ix86_emit_save_regs_using_mov): Likewise.
        (ix86_expand_prologue): Handle force_align_arg_pointer.
        (ix86_expand_epilogue): Likewise.
        * config/i386/i386.h: (dbx_register_map): Update.
        (dbx64_register_map, svr4_dbx_register_map): Update.
        (struct machine_function): Add force_align_arg_pointer.
        * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
        (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
        (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.

2005-11-02  Jan Hubicka  <jh@suse.cz>

        PR target/23303
        * i386.md: Add peep2 for simplyfing array accesses.

2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>

        PR target/24615
        * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
        * config/s390/s390.c (s390_decompose_shift_count): New function.
        (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
        (print_shift_count_operand): Use s390_decompose_shift_count.
        * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
        Use s390_decompose_shift_count.  Do not accept any non-base hard regs.

2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>

        PR target/24600
        * loop.c (loop_givs_rescan): Use force_operand to expand
        complex GIVs.

2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>

        PR 22429
        * fold-const.c (build_range_check): Use unsigned when signed
        overflow is undefined also.  If etype is subtype, make sure that
        the subtraction is in the supertype.

2005-11-02  Richard Henderson  <rth@redhat.com>

        PR target/24178
        * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
        by MEM_ALIGN.

2005-11-01  Richard Henderson  <rth@redhat.com>

        PR 21518
        * loop.c (scan_loop): Do not propagate computations to a hard
        register destination with SMALL_REGISTER_CLASSES.

2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>

        * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
        costs for MULT inside PLUS or MINUS.

2005-11-01  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
        (TRAMPOLINE_SIZE): Round up to 60.
        * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.

2005-10-31  James E. Wilson  <wilson@specifix.com>

        PR debug/24444
        * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
        ifdef.  Put ifdefs around call in gen_subprogram_die.
        (compute_frame_pointer_to_cfa_displacement): Likewise.
        (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
        not defined.

        PR rtl-optimization/17356
        *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
        add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.

2005-10-31  Jan Hubicka  <jh@suse.cz>

        PR middle-end/24093
        * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative

        PR target/20928
        * i386.c (legitimize_pic_address): Deal with large immediates.

        PR profile/20815
        * coverage.c (coverage_checksum_string): Fix code to stip random seeds
        from symbol names while computing checkup.

        PR profile/24487
        * predict.c (predict_loops): Do not estimate more than
        MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
        * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.

2005-10-31  Andrew MacLeod  <amacleod@redhat.com>

        PR tree-optimization/19097
        * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.

2005-10-31  J"orn Rennecke <joern.rennecke@st.com>

        * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.

2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/23492
        * tree-inline.c (setup_one_parameter): If the init_stmt
        is NULL, don't insert the statement.

2005-10-30  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/24172
        * tree-inline.c (copy_body_r): Unshare the substituted value first.

2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
        constants for hosts with long != 32 bits.

2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>

        PR middle-end/24093
        * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.

2005-10-28  Aldy Hernandez  <aldyh@redhat.com>

        * config/ms1/ms1.h (TARGET_MS1_64_001): New.
        (TARGET_MS1_16_002): New.
        (TARGET_MS1_16_003): New.

        * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
        ("*decrement_and_branch_until_zero_no_clobber"): New.
        Add corresponding splitter for decrement_and_branch_until_zero
        instruction.
        Key all decrement_and_branch_until_zero patterns off of
        TARGET_MS1_16_003.

2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/24362
        * tree-complex.c (extract_component): Treat RESULT_DECL
        like the rest of the decls.

2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>

        * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
        indirect call to _mcount if the function needs a static chain.

2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
            Caroline Tice  <ctice@apple.com>

        PR rtl-optimization/24460
        * dwarf2out.c (have_switched_text_sections): New boolean variable.
        (dwarf2out_switch_text_section): Set it to true instead of
        incrementing separate_line_info_table_in_use.
        (output_loc_list): Additionally test have_switched_text_sections.
        (output_ranges): Likewise.
        (dwarf2out_finish): Likewise.
        * varasm.c (assemble_start_function): Do not call
        insert_section_boundary_note.
        (assemble_end_function): If flag_reorder_blocks_and_partition,
        switch to the function's section before emitting the .size directive.
        * bb-reorder.c (insert_section_boundary_note): Staticify.
        (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
        * output.h (insert_section_boundary_note): Delete.

2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>

        PR c/23103
        * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
        instead of pointer equality when comparing types.

2005-10-24  James E. Wilson  <wilson@specifix.com>

        * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
        add_dependence_list_and_free calls.

2005-10-24  Steven Bosscher  <stevenb@suse.de>

        * contrib.texi: Add the names of the LLNL folks who donated
        Cray pointer support for gfortran.

2005-10-24  Steven Bosscher  <stevenb@suse.de>

        PR tree-optimization/24225
        * profile.c (branch_prob): Look from end to start through a
        basic block when looking for a locus.

2005-10-24  Richard Henderson  <rth@redhat.com>

        * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
        parallel.
        (hppa_expand_prologue): Likewise.

2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
        (NO_DEFERRED_PROFILE_COUNTERS): Define.
        * pa.h (NO_PROFILE_COUNTERS): Define.
        * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
        (funcdef_nos): New vector to hold label numbers of deferred profile
        counters.
        (output_deferred_profile_counters): New function.
        (hppa_profile_hook): Push label number onto funcdef_nos.
        (pa_hpux_file_end): Call output_deferred_profile_counters if
        NO_DEFERRED_PROFILE_COUNTERS is false.

        * pa-protos.h (get_deferred_plabel): New prototype.
        * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
        Make global.
        (output_call): Adjust calls.

2005-10-24  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
        peculiarity of GOT/TOC section usage.

2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>

        PR objc/24435
         * c-common.c (constant_string_class_name): Add documentation.

2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/23832
        * recog.c (peephole2_optimize): Increment peep2_current_count
        only when the slot is empty.

2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR ada/23957
        * except.c (output_function_exception_table): Call
        assemble_external_libcall if we need a personality function.

2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR rtl-optimization/24460
        * bb-reorder.c (fix_crossing_unconditional_branches): Do not
        set the basic block for barriers.

2005-10-21  Janis Johnson  <janis187@us.ibm.com>

        * var-tracking.c (vt_initialize): Initialize post.

2005-10-21  Devang Patel  <dpatel@apple.com>

        PR/24220
        * c-common.c (vector_types_convertible_p): Check vector element type.

2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (prepare_move_operands): Handle the address
        constant which is a tls symbolic address plus a constant.

2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>

        PR driver/24473
        * gcc.c (main): Use the correct counter for erroring out
        about mulitple files.

2005-10-21  Alan Modra  <amodra@bigpond.net.au>

        PR target/24465
        * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
        use r2 for 64-bit tls .got access.

2005-10-21  Paolo Bonzini  <bonzini@gnu.org>

        * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
        TRUTH_OR_EXPR.

2005-10-20  Steven Bosscher  <stevenb@suse.de>

        PR tree-optimization/24307
        * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.

2005-10-20  Alexandre Oliva  <aoliva@redhat.com>

        PR middle-end/24295
        * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
        alias targets.
        * varasm.c (find_decl_and_mark_needed): After cgraph global info
        is ready, stop marking functions, but still mark variables.

2005-10-20  Richard Guenther  <rguenther@suse.de>

        PR c++/24439
        * fold-const.c (invert_truthvalue): Handle COND_EXPR with
        void type operands.

2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR rtl-optimization/23585
        * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
        (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
        (may_trap_p_1): New predicate extracted from...
        (may_trap_p): ... here.  Invoke may_trap_p_1.
        (may_trap_or_fault_p): New predicate.
        * rtl.h (may_trap_or_fault_p): Declare it.
        * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
        instead of may_trap_p.
        (steal_delay_list_from_fallthrough): Likewise.
        (fill_simple_delay_slots): Likewise.
        (fill_slots_from_thread): Likewise.
        * function.c (pad_to_arg_alignment): Rework comment about
        SPARC_STACK_BOUNDARY_HACK.
        * config/sparc/sparc.h: Likewise.

2005-10-19  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390.c (s390_expand_insv): New.
        * config/s390/s390-protos.h (s390_expand_insv): Declare.
        * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
        ("icm_hi"): Remove mode attribute.
        ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
        Adjust all uses.
        ("*extracthi", "*extractqi"): Remove.
        (extv<mode>", "*extzv<mode>"): New.
        ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
        "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.

2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * cfgexpand.c (discover_nonconstant_array_refs_r,
        discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
        (tree_expand_cfg): Call discover_nonconstant_array_refs.
        * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
        discover_nonconstant_array_refs.

2005-10-19  Steven Bosscher  <stevenb@suse.de>

        PR c/23228
        * c-decl.c (pop_scope): Don't warn about an unused variable
        if it is marked with TREE_NO_WARNING.
        (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
        somenow mismatch and olddecl is to be replaced.

2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR middle-end/23199
        * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
        whether registers live on the edge can be saved/restored.

2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (fixup_mova): Skip notes.

2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
        * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
        (s390_can_eliminate): Handle BASE_REGNUM elimination.
        (s390_initial_elimination_offset): Likewise.
        (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
        register on TARGET_ZARCH targets.
        * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
        (INITIAL_FRAME_POINTER_OFFSET): Remove.
        (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
        (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.

2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.md: Comment describing output modifiers updated.
        * config/s390/s390.c (print_operand): Likewise.

2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (override_options): Added check for -mstack-size
        64k limitation.
        * doc/invoke.texi: Mention that limit in the documenation.

2005-10-18  Paolo Bonzini  <bonzini@gnu.org>

        PR #19672
        * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.

2005-10-18  Daniel Berlin <dberlin@dberlin.org>

        Fix PR tree-optimization/24231

        * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
        (compute_avail): Ditto.

2005-10-18  Richard Henderson  <rth@redhat.com>

        PR target/24428
        * config/i386/i386.c (legitimate_constant_p): Check
        SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
        if LABEL_REF.
        (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
        (legitimate_pic_address_disp_p): Reorg CONST checking to make
        sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
        directly.
        (print_operand_address): Likewise.
        * config/i386/predicates.md (x86_64_immediate_operand): Test
        SYMBOL_REF_TLS_MODEL properly inside CONST.
        (x86_64_zext_immediate_operand): Likewise.
        (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
        initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
        * config/i386/i386-protos.h: Remove predicates.md entries.

2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
        Check that elements of TYPE_METHODS are FUNCTION_DECLs.

2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
            Ian Lance Taylor <ian@airs.com>

        PR middle-end/23522
        * fold-const.c (fold_widened_comparison): Do not allow range based
        constant folding when right operand cannot be unwidened.

2005-10-17  Richard Henderson  <rth@redhat.com>

        * builtins.c (expand_builtin_synchronize): Build a new-style asm
        with a memory clobber.

2005-10-17  James E Wilson  <wilson@specifix.com>

        PR rtl-optimization/17356
        * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
        checking for EDGE_EH.

2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
        the slot on an even boundary for any type with 16-byte alignment.

2005-10-17  Hans-Peter Nilsson  <hp@axis.com>

        PR target/23424
        * md.texi (Modifiers) <%>: Clarify that % doesn't work
        after register allocation.

2005-10-17  DJ Delorie  <dj@redhat.com>

        * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
        as frame related.

2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>

        PR c++/22551
        * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
        overflow flags.

2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
        to 2 if it's already non-zero.
        (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
        is set and warn about it if flag_schedule_insns is 1.

2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>

        * config/crx/crx.md: Compare-and-branch instructions need to
        invalidate CC.

2005-10-17  Uros Bizjak  <uros@kss-loka.si>

        PR target/24315
        * config/i386/i386.md (*pushdi2_rex64 splitter)
        (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
        (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
        flow2 pass only when (optimize > 0 && flag_peephole2).

2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>

        PR driver/22544
        * gcc.c (have_c): New static variable.
        (have_o): Likewise.
        (process_command): Remove declation of have_c.
        Set have_o to 1 when handling -o.
        (main): Add a fatel error if there are multiple
        files specified and -o and -c/-S is passed witout
        -combine or multiple languages.

2005-10-16  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/22444
        * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
        Assert that we don't hit something with subvars.
        (setup_pointers_and_addressables): Don't add things with subvars,
        because we'll already process the subvars for aliasing purposes.

2005-10-16  Hans-Peter Nilsson  <hp@axis.com>

        PR target/23424
        * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
        ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
        ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
        ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
        ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
        swapped, alternatives for the R constraint.

        PR middle-end/24341
        * builtins.c (get_builtin_sync_mode): Make unlimited
        mode_for_size request.

2005-10-15  Richard Henderson  <rth@redhat.com>

        * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
        (gimplify_expr): ... here.
        (gimplify_compound_lval): Use it in initial scan loop.  Allow
        fb_lvalue in base expression.

2005-10-15  Richard Henderson  <rth@redhat.com>

        PR 23714
        * builtins.c (expand_builtin_trap): Export.
        * expr.h (expand_builtin_trap): Declare.
        * expr.c (expand_assignment): Emit a trap for integral offsets
        from registers that weren't reduced to bitpos.

        * tree-cfg.c (mark_array_ref_addressable_1): Remove.
        (mark_array_ref_addressable): Remove.
        * tree-flow.h (mark_array_ref_addressable): Remove.
        * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.

2005-10-15  James E Wilson  <wilson@specifix.com>

        PR target/24232
        * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
        (add_dependence_list_and_free): Likewise.
        (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
        call.

2005-10-15  Diego Novillo  <dnovillo@redhat.com>

        PR 23141
        PR 23142
        * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
        sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
        anti-range.
        (vrp_visit_phi_node): Only prevent infinite iterations when
        the previous result and the new result are both VR_RANGEs.

2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>

        * tree-into-ssa.c (mark_def_sites): Correct minor typo in
        function comment.

2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        PR c/23439
        * c-parser.c (c_parser_for_statement): Use location of RID_FOR
        to initialize loc.

2005-10-14  Per Bothner  <per@bothner.com>

        PR preprocessor/21250
        * c-ppoutput.c (print_line): Print internal line 0 as 1.

2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>

        PR c++/22551
        * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
        overflow flags.  Refactor some conditionals.

2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/21304
        * tree-dfa.c (add_referenced_var): Only look at decls which
        have TREE_CONSTANT or TREE_READONLY set instead of if
        !TREE_PUBLIC or !TREE_CONSTANT.

2005-10-13  James E Wilson  <wilson@specifix.com>

        * doc/invoke.texi: For -x, add f95-cpp-input.
        * doc/install.texi: For --enable-languages doc, change f95 to fortran.

2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>

        PR tree-optimization/24262
        * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
        in loop all the time.

2005-10-12  Richard Henderson  <rth@redhat.com>

        PR c/24255
        * tree.h (DECL_TRANSPARENT_UNION): Remove.
        * function.c (assign_parm_find_data_types): Don't support it.
        * print-tree.c (print_node): Likewise.
        * c-common.c (handle_transparent_union_attribute): Likewise.
        Use build_duplicate_type.
        * tree-inline.c (remap_type_1): Split out of remap_type;
        properly remap aggregate fields.
        (build_duplicate_type): New.
        * doc/extend.texi (Variable Attributes): Remove documentation
        for transparent_union.

2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/24284
        * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
        (gen_stack_pointer_dec): Likewise.

2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>

        PR middle-end/21275
        PR middle-end/21766
        * target.h (struct gcc_target): Add valid_dllimport_attribute_p
        target hook.
        (struct cxx): Add adjust_class_at_definition target hook.
        * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
        defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
        (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
        hook_void_tree. Add to TARGET_CXX.
        * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
        dllimport_flag.
        (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
        * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
        instead of attribute. Check for dllexport override.  Warn if
        inconsistent dll linkage. Don't lose old dllimport if decl has
        had address referenced.   Tweak lookup of dllimport atribute.
        (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
        for target specific rules.  Don't add dllimport attribute if
        DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
        dllimport attribute.
        (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
        * varasm.c (initializer_constant_valid_p): Replace
        DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P

        PR target/21801
        PR target/23589
        * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
        'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
        (i[34567]86-*-mingw32*): Likewise.

        * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
        (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.

        * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
        C++-specific code. Change return value to bool.
        (i386_pe_dllimport_p): Likewise.
        (associated_type): Simplify and make language-independent
        (i386_pe_encode_section_info): Replace override of ambiguous
        dllimport symbol refs with a gcc_assert.
        (i386_pe_valid_dllimport_attribute_p): Define.
        * config/i386/winnt-cxx.c: New file. Define C++ versions of
        i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
        i386_pe_adjust_class_at_definition.
        * config/i386/winnt-stubs.c: New file. Define stub versions of
        lang-specific functions.
        * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
        i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
        i386_pe_adjust_class_at_definition.
        (i386_pe_valid_dllimport_attribute_p): Declare.
        * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
        (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
        * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.

        PR target/19704
        * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
        dllimport attribute with test of DECL_DLLIMPORT_P.

2005-10-12  Adrian Straetling <straetling@de.ibm.com>

        * combine.c (make_extraction): Correct offset computation.

2005-10-12  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/t-linux (LIMITS_H_TEST): Define.

2005-10-12  Richard Henderson  <rth@redhat.com>

        PR rtl-opt/23324
        * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.

2005-10-12  Richard Guenther  <rguenther@suse.de>

        * Makefile.in (CGRAPH_H): Depend on $(TREE_H).

2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>

        PR c++/19964
        * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
        DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
        type.

2005-10-12  Richard Guenther  <rguenther@suse.de>

        PR c++/23799
        * varasm.c (output_constant): Correct typo from previous
        patch by DJ.

2005-10-11  Ian Lance Taylor  <ian@airs.com>

        PR rtl-optimization/13931
        * combine.c: Revert patch of 2003-05-14, and:
        (try_combine): Only set elim_i1 and elim_i2 if the destination is
        completely killed in the appropriate insn.
        (distribute_notes): Don't skip multiple hard register test for
        elim_i1 and elim_i2.

2005-10-11  Richard Henderson  <rth@redhat.com>

        PR c/24255
        * c-typeck.c (convert_for_assignment): Use build_constructor_single
        to initialize a transparent union instead of a nop_expr.

2005-10-11  Richard Henderson  <rth@redhat.com>

        * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
        * tree-ssa-dce.c: Include tree-scalar-evolution.h.
        (tree_ssa_dce_loop): Call scev_reset.

        PR tree-opt/24300
        * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
        * tree-ssa-dce.c: Include cfgloop.h.
        (tree_ssa_dce_loop, pass_dce_loop): New.
        * tree-pass.h (pass_dce_loop): Declare it.
        * passes.c (init_optimization_passes): Use it.

2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR middle-end/24263
        * convert.c (convert_to_real): Revert 2005-10-05 patch.
        Only apply the optimization for rounding builtins if the inner
        cast is also an extension.

2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/23946
        * tree-ssa-ccp.c (execute_fold_all_builtins): Call
        mark_new_vars_to_rename instead of update_stmt.

2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.

2005-10-11  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
        for setting MMX register to 0 rather than mmx.

2005-10-10  Steve Ellcey  <sje@cup.hp.com>

        PR target/12098
        * configure.ac: Move gas check from mips specific case to common case.
        Do check for GNU as for mips*-*-* and *-*-hpux* targets.
        * configure: Regenerate
        * doc/install.texi: Update.

2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/24284
        * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.

2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>

        * gcc.c (do_spec_1): Accept numeric characters in file name
        suffixes.

2005-10-10  Nick Clifton  <nickc@redhat.com>

        * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
        describing the deleted arm_gen_rotated_half_load function.

2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
        __fpscr_values.

2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>

        * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
        gnu_ld assignments.
        * config/arm/t-linux-eabi (LIB1ASMFUNCS)
        (EXTRA_MULTILIB_PARTS): Define.
        * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
        (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
        (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
        * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
        (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
        (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.

2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/24226
        * tree-cfg.c (remove_bb): Clean up unreachable loops.
        * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
        * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
        Export.

2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.

2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/24136
        * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
        Rewrite for no need for the early clobber.

2005-10-08  Kazu Hirata  <kazu@codesourcery.com>

        Merge from csl-arm-branch:
        2005-09-07  Paul Brook  <paul@codesourcery.com>
        * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
        space to string.

        2005-04-30  Paul Brook  <paul@codesourcery.com>
        * config/arm/bpabi.h (TARGET_DEFAULT): Define.
        * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.

        2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
        * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
        (arm_override_options): Use TARGET_AAPCS_BASED.
        * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
        (PTRDIFF_TYPE): Use int for AAPCS.
        (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
        * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
        (DEFAULT_SHORT_ENUMS): Delete.
        * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.

        2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
        * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
        * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
        * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.

        2004-12-03  Mark Mitchell  <mark@codesourcery.com>
        * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.

        2004-11-22  Mark Mitchell  <mark@codesourcery.com>
        * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.

        2004-11-19  Mark Mitchell  <mark@codesourcery.com>
        * config.gcc (arm*-*-linux-gnueabi): Add it.
        * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
        redefining it.
        (TARGET_OS_CPP_BUILTINS): Likeiwse.
        * config/arm/linux-eabi.h: New file.
        * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
        (LINUX_TARET_LINK_SPEC): Likewise.
        (LINK_SPEC): Use it.
        * config/arm/t-linux-eabi: New file.

2005-10-08  Steven Bosscher  <stevenb@suse.de>

        PR other/22202
        * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
        spaces.
        (PARAM_SMS_DFA_HISTORY): Likewise.

2005-10-08  Kazu Hirata  <kazu@codesourcery.com>

        PR middle-end/23150
        * calls.c (mem_overlaps_already_clobbered_arg_p): New.
        (load_register_parameters): Call it.
        (check_sibcall_argument_overlap_1): Likewise.
        (store_one_arg): Likewise.

2005-10-07  James E. Wilson  <wilson@specifix.com>

        * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
        DImode not VECINT24 for operand 2.

        PR target/23644
        * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
        -mtune-arch.

        PR target/24193
        * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
        fr_spill): Use destination_operand for operand 0.

2005-10-07  DJ Delorie  <dj@redhat.com>

        * varasm.c (output_constant): Limit error to expanding
        conversions.

2005-10-07  Richard Guenther  <rguenther@suse.de>

        PR middle-end/24227
        * fold-const.c (fold_binary): Fix operand types during folding
        of X op (A, Y).  Evaluation order of the side-effects of
        X and A are frontend-defined, so ensure we honour that even for
        tcc_comparison class operands; eased by removing duplicate code.

2005-10-07  Steve Ellcey  <sje@cup.hp.com>

        * stor-layout.c (layout_type): Do not allow alignment of array
        elements to be greater than their size.

2005-10-07  Steve Ellcey  <sje@cup.hp.com>

        * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
        host_xmake_file.
        (hppa*-*-linux*): Ditto.
        (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
        * config/host-hpux.c: New.
        * config/x-hpux: New.
        * config/pa/x-hpux: Remove.
        * config/pa/x-linux: Remove.
        * config/pa/pa-host.c: Remove.

2005-10-07  Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
        determine whether or not to try and thread outgoing edges.

2005-10-07  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (eqsi_power): New.
        (neg_eq0si): Add TARGET_POWER to final condition.
        (neg_eqsi): Same.

2005-10-06  Richard Henderson  <rth@redhat.com>

        * config/rs6000/rs6000.c: Revert last change.

2005-10-06  Richard Henderson  <rth@redhat.com>

        * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
        (TARGET_CANNOT_FORCE_CONST_MEM): Use it.

2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/22216
        PR middle-end/23651
        * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
        out return_label and naked_return_label.

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

        * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
        change.

2005-10-06  Richard Henderson  <rth@redhat.com>

        PR tree-opt/22237
        * tree-inline.c (declare_return_variable): Handle modify_dest not
        being a DECL.

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

        Fix PR tree-optimization/22488
        * tree-ssa-structalias.c (check_for_overlaps): New function.
        (create_variable_info_for): Use it.

2005-10-06  Richard Henderson  <rth@redhat.com>

        PR debug/24070
        * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
        (dwarf2out_start_source_file): Print it.

2005-10-06  Geoffrey Keating  <geoffk@apple.com>

        * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.

2005-10-06  Richard Henderson  <rth@redhat.com>

        PR 23706
        * mode-switching.c (optimize_mode_switching): Clear transp bit
        for block with incomming abnormal edges.

        * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
        (fpscr_set_from_mem): Use them.
        * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
        (fpscr postinc splitters): Rewrite as peephole2+split.

2005-10-06  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
        (eq<mode>_compare): Same.

2005-10-06  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/24238
        * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.

2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>

        * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
        here.  Use AC_PATH_PROG for environment variables instead of
        test -x.
        * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
        objdump also.
        * configure: Regenerated.

2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>

        PR target/23783
        * arm.md (call): If the address isn't a SYMBOL_REF or a register,
        then force it into a register.
        (call_value): Likewise.

2005-10-06  Richard Henderson  <rth@redhat.com>

        PR 24049
        * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
        under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
        under pass_vectorize.

2005-10-05  Devang Patel  <dpatel@apple.com>

        PR Debug/23205
        * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
        handling constants. Check NAMESPACE_DECL context for constants.

2005-10-05  Eric Christopher  <echristo@apple.com>

        * doc/md.texi (Standard Names): Fix name of pushm1 pattern.

2005-10-05  Richard Henderson  <rth@redhat.com>

        PR 23714
        * tree-cfg.c (mark_array_ref_addressable_1): New.
        (mark_array_ref_addressable): New.
        * tree-flow.h (mark_array_ref_addressable): Declare.
        * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.

2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/20606
        PR middle-end/24069
        * reload.c (subst_reloads): When adding a REG_LABEL to a
        jump instruction, also update JUMP_LABEL.

2005-10-05  David Edelsohn  <edelsohn@gnu.org>

        * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
        * bb-reorder.c (copy_bb_p): Use it.
        * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.

2005-10-05  Richard Henderson  <rth@redhat.com>

        PR target/23602
        * toplev.c (process_options): Warn about unsupported combinations
        of unwind tables and omit-frame-pointer.
        * config/i386/i386.c (override_options): Similarly.  Enable
        accumulate-outgoing-args if not explicitly disabled.

2005-10-05  Steve Ellcey  <sje@cup.hp.com>

        * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
        Handle big endian vs. small endian.
        (vec_initv2sf): Handle big endian vs. small endian.
        (*vec_extractv2sf_1): Ditto.

2005-10-05  Dale Johannesen  <dalej@apple.com>

        * convert.c (convert_to_real):  Don't convert
        (float)floor(double d) to floorf((float)d).

2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/arm/arm.md (insv): Use gen_int_mode in more places.

2005-10-05  Andrew MacLeod  <amacleod@redhat.com>

        PR tree-optimization/18587
        * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
        (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
        build_vuses): Change to VEC type.
        (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
        opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
        opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
        opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
        (get_name_decl): New.  Return DECL_UID of base variable.
        (operand_build_cmp): New.  qsort comparison routine.
        (operand_build_sort_virtual): New.  Sort virtual build vector.
        (init_ssa_operands, fini_ssa_operands): Use VEC routines.
        (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
        (FINALIZE_BASE): Use get_name_decl.
        (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
        finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
        (start_ssa_stmt_operands, append_def, append_use, append_vuse,
        append_v_may_def, append_v_must_def): Replace opbuild_* routines with
        direct VEC_* manipulations.
        (build_ssa_operands): Call operand_build_sort_virtual.
        (copy_virtual_operand, create_ssa_artficial_load_stmt,
        add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
        with direct VEC_* manipulations.
        * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
        with direct VEC manipulations.

2005-10-05  Paolo Bonzini  <bonzini@gnu.org>

        PR tree-optimization/21419
        PR tree-optimization/24146
        PR tree-optimization/24151

        * c-typeck.c (readonly_error): Handle USE being lv_asm.
        (build_asm_expr): Call it if outputs are read-only.
        * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.

2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
            Paolo Bonzini  <bonzini@gnu.org>

        PR target/23809

        * doc/extend.texi (x86 Built-ins): Document that -msse and friends
        enable the instructions and not just the built-ins.
        * doc/invoke.texi (x86 Options): Likewise.

2005-10-04  Geoffrey Keating  <geoffk@apple.com>

        * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.

        * doc/invoke.texi (Option Summary): Correct spelling
        of -mmacosx-version-min.

2005-10-04  Devang Patel  <dpatel@apple.com>

        * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
        real types.

2005-10-04  Steve Ellcey  <sje@cup.hp.com>

        * tree-vect-transform.c (vect_create_epilog_for_reduction):
        Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.

2005-10-04  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390.md ("TDSI","DP"): New mode macros.
        ("TE","tg"): New mode attributes.
        ("sync_compare_and_swap<mode>"): Replace with a define_expand.
        ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
        ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
        dword_mode and one for GPRmode.

2005-10-04  Ian Lance Taylor  <ian@airs.com>

        PR preprocessor/13726
        * c-ppoutput.c (cb_include): Add comments parameter, and print out
        any comments passed in.

2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree.c (annotate_with_file_line): Fix typo.

2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        PR ada/19382
        * builtins.c (fold_builtin_memcmp): When constructing the pointer
        type used to access data in the inlined length == 1 case, use
        build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
        (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.

2005-10-04  Uros Bizjak  <uros@kss-loka.si>

        * config/i386/i386.h (TARGET_FISTTP): Enable also for
        TARGET_SSE3 and only for TARGET_80387.
        * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
        (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
        Do not depend on TARGET_80387.

2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree.c (last_annotated_node): Change type to location_t*.
        (annotate_with_file_line): Reflect the change of
        last_annotated_node type.

2005-10-04  Richard Guenther  <rguenther@suse.de>

        PR c/23576
        * c-decl.c (grokdeclarator): Don't write to fields
        of error_mark_node.

2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/23125
        * c-decl.c (finish_decl): Use set_user_assembler_name even for
        register variables.
        * varasm.c (make_decl_rtl): If a register variable does not
        have a set user assmbler name, error out.
        Decode the asmspec is now name+1 bypassing '*'.

2005-10-04  Steven Bosscher  <stevenb@suse.de>

        PR tree-optimization/23049
        * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
        of a COND_EXPR is folded before calling fold on the whole rhs of a
        conditional assignment.
        * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
        document that a COND_EXPR may appear there.

2005-10-03  Diego Novillo  <dnovillo@redhat.com>

        PR 23445
        * tree-vrp.c (extract_range_from_assert): If the new numeric
        range created out of the assertion contradicts the existing
        numeric range of the ASSERT_EXPR variable, make the new range
        varying.

2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_register_move_cost): Add case for moving
        from T_REGS to FP register class.

2005-10-03  Richard Henderson  <rth@redhat.com>

        PR 24135
        * tree-nested.c (convert_nl_goto_reference): Lookup a translation
        before creating a new one.

2005-10-03  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/t-aix43 (LDFLAGS): New.
        * config/rs6000/t-aix52 (LDFLAGS): New.

2005-10-03  Ian Lance Taylor  <ian@airs.com>

        * gimplify.c (find_single_pointer_decl_1): New static function.
        (find_single_pointer_decl): New static function.
        (internal_get_tmp_var): For a formal variable, set restrict base
        information if appropriate.
        * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
        return it.
        * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
        (DECL_GET_RESTRICT_BASE): Define.
        (SET_DECL_RESTRICT_BASE): Define.
        (decl_restrict_base_lookup): Declare.
        (decl_restrict_base_insert): Declare.
        (struct tree_decl_with_vis): Add based_on_restrict_p field.
        * tree.c (restrict_base_for_decl): New static variable.
        (init_ttree): Initialize restrict_base_for_decl.
        (copy_node_stat): Copy restrict base information.
        (decl_restrict_base_lookup): New function.
        (decl_restrict_base_insert): New function.
        (print_restrict_base_statistics): New static function.
        (dump_tree_statistics): Call print_restrict_base_statistics.

2005-10-02  Diego Novillo  <dnovillo@redhat.com>

        PR 24142
        * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
        case of anti-ranges.

2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>

        PR c/18851
        * c-typeck.c (tagged_tu_seen): Rename to ...
        (tagged_tu_seen_cache): this and add val field.
        (comptypes): Move functional to comptypes_internal
        and free tagged_tu_seen.
        (comptypes_internal): New function and call comptypes_internal
        instead of comptypes. Speed up by sibcalling
        tagged_types_tu_compatible_p.
        (alloc_tagged_tu_seen): New function
        (free_all_tagged_tu_seen_up_to): New function.
        (tagged_types_tu_compatible_p): Return the val of the seen two
        types.
        Add that the two types are the same to tagged_tu_seen_base
        if they are and call comptypes_internal instead of comptypes.
        <case UNION_TYPE>: Speed up common type where the fields are
        in the same order.
        (function_types_compatible_p): Call comptypes_internal instead of
        comptypes.
        (type_lists_compatible_p): Likewise.
        (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.

2005-10-02  Matthias Klose  <doko@debian.org>

        * doc/invoke.texi: Fix typo and speling error.

2005-10-01  Richard Henderson  <rth@redhat.com>

        * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.

2005-10-01  Mark Mitchell  <mark@codesourcery.com>

        * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
        using --start-group and --end-group.

2005-10-01  Diego Novillo  <dnovillo@redhat.com>

        * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
        FIXME note regarding quirky semantics.

2005-10-01  Diego Novillo  <dnovillo@redhat.com>

        PR 24141
        * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
        non-null range as a last resort.

2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
            Diego Novillo  <dnovillo@redhat.com>

        PR 23604
        * tree-vrp.c (extract_range_from_assert): For !=
        assertions, only build an anti-range if LIMIT is a
        single-valued range.

2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>

        * arm.md (movqi): On thumb when optimizing, handle loading from
        memory by describing this as taking a subreg of a zero-extended load
        into an SImode register.
        (movhi): Likewise.

2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>

        * reload1.c (merge_assigned_reloads): Do not change any
        RELOAD_FOR_OUTPUT_ADDRESS reloads.

2005-09-30  Geoffrey Keating  <geoffk@apple.com>

        * Makefile.in (LIPO_FOR_TARGET): Define.
        (STRIP_FOR_TARGET): Define.

        * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
        before creating new ones.  Do symlinks before creating the actual
        targets.

        * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
        to work out which multilibs are actually being built.

2005-09-30  Kazu Hirata  <kazu@codesourcery.com>

        * tree-vect-transform.c, config/ms1/ms1.md,
        config/s390/s390.c, config/v850/v850.md: Fix comment typos.
        Follow spelling conventions.
        * doc/invoke.texi, doc/md.texi: Fix typos.

2005-09-30  Andrew Macleod  <amacleod@redat.com>

        PR tree-optimization/21430
        * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
        use operands, and set stmt pointer if need be.
        (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
        tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
        present.

2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        PR middle-end/24053
        * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.

2005-09-29  Mark Mitchell  <mark@codesourcery.com>

        * optabs.c (expand_binop): Initialize first_pass_p.

2005-09-29  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/24109
        * c-decl.c (c_write_global_declarations_1): If any
        wrapup_global_declaration_2 call returned true, restart the loop.

2005-09-29  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/24117
        * tree-ssa-structalias.c (find_func_aliases): Strip nops
        before considering whether to use anyoffset.

2005-09-29  Paolo Bonzini  <bonzini@gnu.org>

        Revert this patch:

        2005-09-15  Paolo Bonzini  <bonzini@gnu.org>

        * optabs.c (expand_binop): Use swap_commutative_operands_with_target
        to order operands.
        (swap_commutative_operands_with_target): New.

2005-09-29  Paolo Bonzini  <bonzini@gnu.org>

        PR c/21419
        * gimplify.c (gimplify_asm_expr): Raise an error if an output is
        read-only.

2005-09-29  Steven Bosscher  <stevenb@suse.de>

        PR tree-optimization/23911
        * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
        and IMAGPART_EXPR too.

2005-09-28  Mark Mitchell  <mark@codesourcery.com>

        PR 17886
        * expmed.c (expand_shift): Move logic to reverse rotation
        direction when  rotating by constants ...
        * optabs.c (expand_binop): ... here.
        * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
        (ix86_rotrdi3): New pattern.
        (rotldi3): Handle 32-bit mode.
        (ix86_rotldi3): New pattern.

2005-09-29  Alan Modra  <amodra@bigpond.net.au>

        PR target/24102
        * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
        check for numbers that need no bit twiddle.

2005-09-28  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/t-darwin8: Uncomment contents, allow -m64
        multilib to be built.

        * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
        (stage1-start): Delete old libgcc and libunwind before moving
        anything into the stage directory.
        (stage2-start): Likewise.
        (stage3-start): Likewise.
        (stage4-start): Likewise.
        (stageprofile-start): Likewise.
        (stagefeedback-start): Likewise.
        * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
        header in tm_file and CPU-specific t-darwin in tmake_file.
        (i[34567]86-*-darwin*): Don't change tm_file.
        (powerpc-*-darwin*): Don't change tm_file or tmake_file.
        * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
        shared library stub for target OS version.
        * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
        (SHLIB_LINK): Don't make SHLIB_SOLINK.
        (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
        (libgcc_s.%.dylib): New.
        (LIBGCC): Define.
        (install-darwin-libgcc-stubs): New.
        (INSTALL_LIBGCC): New append.
        * config/i386/darwin-libgcc.10.4.ver: New.
        * config/i386/darwin-libgcc.10.5.ver: New.
        * config/i386/t-darwin: New.
        * config/rs6000/darwin-libgcc.10.4.ver: New.
        * config/rs6000/darwin-libgcc.10.5.ver: New.
        * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
        * config/rs6000/t-darwin (SHLIB_VERPFX): Define.

2005-09-28  Paul Brook  <paul@codesourcery.com>

        * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
        denormals.

2005-09-28  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/23853
        * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
        host_integerp to verify misalignment value.

2005-09-28  Richard Henderson  <rth@redhat.com>

        * builtins.c (get_builtin_sync_mode): New.
        (expand_builtin_sync_operation): Pass in mode argument.
        (expand_builtin_compare_and_swap): Likewise.
        (expand_builtin_lock_test_and_set): Likewise.
        (expand_builtin_lock_release): Likewise.
        (expand_builtin): Update to match.

2005-09-28  Nick Clifton  <nickc@redhat.com>

        * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
        formatting.  Add check to PLUS case to ensure that the offset is
        within an acceptable range.

        * config/v850/v850.md (casesi): Disable the generation of the
        switch pattern as it is not being handled properly at the moment.

        * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
        for when the high words are identical.

2005-09-27  Richard Henderson  <rth@redhat.com>

        * pretty-print.c (pp_base_format): Fix typo for %>.

2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
            Devang Patel  <dpatel@apple.com>

        PR tree-optimization/23625
        * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
        LABEL_EXPR, assertion check.

2005-09-27  J"orn Rennecke <joern.rennecke@st.com>

        * optabs.c (no_conflict_move_test): Check if a result of a
        to-be-moved insn would be clobbered by an originally
        preceding insn.

2005-09-27  Jeff Law  <law@redhat.com>

        * passes.c (init_optimization_passes): Replace copy propagation
        passes immediately after DOM with phi-only copy propagation
        pases.  Add phi-only copy propagation pass after first DOM pass.
        * tree-pass.h (pass_phi_only_copy_prop): Declare.
        * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
        If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
        (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
        to init_copy_prop.  Callers updated.
        (do_phi_only_copy_prop): New function.
        (pass_phi_only_copy_prop): New pass descriptor.

2005-09-27  Nick Clifton  <nickc@redhat.com>

        * libgcc2.c (__popcount_tab): Remove redundant prototype.

2005-09-26  Jason Merrill  <jason@redhat.com>

        PR c++/13764
        * c-common.c (finish_fname_decls): Use append_to_statement_list_force.

        * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.

2005-09-26  James E Wilson  <wilson@specifix.com>

        * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
        copyright.  Add gcc copyright plus libgcc exception.
        * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
        copyright.
        * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.

2005-09-26  Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
        about when to iterate.

2005-09-23  Fariborz Jahanian <fjahanian@apple.com>

        PR target/23847
        * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
        for __complex__ double in -mcpu=G5 mode.

2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>

        PR tree-optimization/23942
        * Makefile.in (SCEV_H): Depends on PARAMS_H.
        * tree-scalar-evolution.c: Include params.h.
        (t_bool): New enum.
        (follow_ssa_edge, follow_ssa_edge_in_rhs,
        follow_ssa_edge_in_condition_phi_branch,
        follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
        Change return type to t_bool.  Use a parameter to limit the size of
        trees that are walked before stopping
        (analyze_evolution_in_loop): Initialize the limit to 0.
        (follow_ssa_edge): Give up by returning t_dont_know if the limit
        exceeds PARAM_SCEV_MAX_EXPR_SIZE.

2005-09-26  Uros Bizjak  <uros@kss-loka.si>

        PR middle-end/23831
        * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
        simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.

2005-09-26    Fariborz Jahanian <fjahanian@apple.com>

        * combine.c (make_extraction): Check for valid use of subreg.

2005-09-26  Uros Bizjak  <uros@kss-loka.si>

        PR target/24055
        * config/i386/i386.md ("*fistdi2_1"): New pattern.
        ("*fist<mode>2_1"): Use only HImode and SImode register operands.
        ("fist<mode>2_with_temp"): Use only register operands.

2005-09-26  J"orn Rennecke <joern.rennecke@st.com>

        * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
        CALL_INSN_FUNCTION_USAGE.

2005-09-26  Richard Guenther  <rguenther@suse.de>

        PR middle-end/15855
        * gcse.c: Include hashtab.h, define ldst entry hashtable.
        (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
        (ldst_entry): Use the hashtable instead of list-walking.
        (find_rtx_in_ldst): Likewise.
        (free_ldst_entry): Free the hashtable.
        (compute_ld_motion_mems): Create the hashtable.
        (trim_ld_motion_mems): Remove entry from hashtable if
        removing it from list.
        (compute_store_table): Likewise^2.
        (store_motion): Free hashtable in case we did not see
        any stores.

2005-09-25  Kazu Hirata  <kazu@codesourcery.com>

        * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
        and arg1 if we are passing them to fold_build2.

2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>

        PR 23828
        * config/i386/i386.c (ix86_function_regparm): Fix the test for
        a nested function.

2005-09-25  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
        SYMBOL_REF_TLS_MODEL to be correct.

2005-09-24  Richard Henderson  <rth@redhat.com>

        * ipa-type-escape.c (discover_unique_type): Remove dead code at
        end of function.  Reindent.

2005-09-24  Ian Lance Taylor  <ian@airs.com>

        * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
        NEGATE_EXPR/BIT_NOT_EXPR case.

2005-09-24  Richard Henderson  <rth@redhat.com>

        * c-common.c (handle_mode_attribute): When not modifying in place,
        create subtypes for enumerations.
        (sync_resolve_return): Use TYPE_MAIN_VARIANT.
        * gimplify.c (create_tmp_from_val): Likewise.

2005-09-24  Alexandre Oliva  <aoliva@redhat.com>

        * config/i386/i386.md (*tls_global_dynamic_64,
        *tls_local_dynamic_base_64): Add missing mode to call.
        (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.

2005-09-24  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
        (cgraph_clone_node): Likewise.
        * cgraph.h (cgraph_clone_edge): Update prototype.
        (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
        duplicated prototypes; add updating argument.
        * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
        * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
        updating profile.
        (cgraph_mark_inline_edge): Likewise.
        (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
        (cgraph_flatten_node): Likewise.
        (cgraph_decide_recursive_inlining): Likewise.
        (cgraph_decide_inlining_of_small_function): Likewise.
        * tree-optimize.c (tree_rest_of_compilation): Likewise.

2005-09-23  David Edelsohn  <edelsohn@gnu.org>
            Pete Steinmetz <steinmtz@us.ibm.com>

        * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
        (rldic.): Set type to "compare".
        (rldicr.): Same.
        (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
        mfjmpr for MFCTR/MFLR.
        (movdf_hardfloat64): Same.
        (movdf_softfloat64): Same.  Correct order of store and move types.
        (movti_string): Set type to store_ux/load_ux.
        (load_multiple): Set type to load_ux.
        (store_multiple): Set type to store_ux.
        (movmemsi): Set type to store_ux.
        (output_cbranch direct_return): Set type to jmpreg.
        (stmw): Set type to store_ux.
        (lmw): Set type to load_ux.
        * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
        * config/rs6000/440.md (ppc440-store): Increase latency to 6.
        * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
        * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
        * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
        * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
        (rios1-fpstore): Increase latency to 3.
        * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
        * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.

2005-09-23  David Edelsohn  <edelsohn@gnu.org>
            Andrew Pinski  <pinskia@physics.uc.edu>

        * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
        operand2 constraint to "b".
        (sync_<fetchop_name>di_internal): Same.
        (sync_old_<fetchop_name>si_internal): Change operand3 constraint
        to "b".
        (sync_old_<fetchop_name>di_internal): Same.
        (sync_new_<fetchop_name>si_internal): Same.
        (sync_new_<fetchop_name>di_internal): Same.

2005-09-23  J"orn Rennecke <joern.rennecke@st.com>

        PR middle-end/23991
        * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
        case, define as macros.

        PR rtl-optimization/23837
        *  optabs.c (no_conflict_move_test): Don't set must_stay for a
        clobber / clobber match between dest and p->first.

        * optabs.c (emit_libcall_block): Use no_conflict_move_test.
        (no_conflict_move_test): Update comments.

2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>

        * doc/install.texi: Update URL for Jacks.
        * doc/sourcebuild.texi: Likewise.

2005-09-22  David Edelsohn  <edelsohn@gnu.org>

        PR target/24007
        * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
        registers when choosing register preferences.
        (movdf_hardfloat64): Same.

2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>

        * expmed.c (expand_shift): Don't use the target of the rotate as
        target for the first expanded shift insn.
        * testsuite/gcc.dg/20050922-1.c: Testcase added.

2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/22438
        * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
        preserved iv rhs rewriting specially.

2005-09-21  Daniel Berlin  <dberlin@dberlin.org>

        * tree-data-ref.c (analyze_array_indexes): Only estimate when
        estimate_only  is true.
        * tree-flow.h (ref_contains_indirect_ref): New prototype.
        * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
        tree-ssa-structalias.c
        * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
        ref_contains_indirect_ref.
        * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.

2005-09-21  DJ Delorie  <dj@redhat.com>

        * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
        MASK_PTR_A0D0.
        (mn10300_return_in_memory): Support variable size types also.
        (mn10300_pass_by_reference): Likewise.
        (mn10300_function_value): New.
        * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
        (FUNCTION_OUTGOING_VALUE): Likewise.
        * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
        * doc/invoke.texi: Document it.

2005-09-21  Uros Bizjak  <uros@kss-loka.si>

        PR target/22585
        * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
        force integer op1 into register for XFmode compares.

2005-09-21  Kazu Hirata  <kazu@codesourcery.com>

        PR middle-end/23971
        * expmed.c (alg_code): Add alg_impossible.
        (alg_hash_entry): Add cost.
        (synth_mult): Record alg_impossible in the hash table if
        multiplication by a given integer is impossble within the
        limit.  Speed up using alg_impossible.

2005-09-20  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
        argument.  Allow and set any offset if needs_anyoffset is passed
        in.
        (get_constraint_for): Add argument here too.
        Pass it down.
        (do_structure_copy): Pass NULL to get_constraint_for.
        (handle_ptr_arith): Ditto.
        (find_func_aliases): Ditto.

2005-09-20  J"orn Rennecke <joern.rennecke@st.com>

        PR rtl-optimization/23898
        * output.h (get_attr_min_length): Declare.
        * final.c (get_attr_length_1): New function, broken out of:
        (get_attr_length).
        (get_attr_min_length): New function.
        * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
        (duplicate_computed_gotos): Likewise.
        * genattr.c (insn_min_length): Generate declaration.
        * genattrtab.c (min_fn, min_attr_value): New functions.
        (make_length_attrs): Generate insn_min_length.

2005-09-20  Steve Ellcey  <sje@cup.hp.com>

        * config/pa/pa.c (output_cbranch): Check for zero in operands[2].

2005-09-20  Richard Henderson  <rth@redhat.com>

        PR tree-optimization/24059
        * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
        EXPAND_STACK_PARM.

2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>

        * c.opt (fextended-identifiers): New.
        * c-opts.c (c_common_handle_option): Handle
        -fextended-identifiers.
        * doc/cpp.texi: Update documentation of extended identifiers.
        * doc/cppopts.texi (-fextended-identifiers): Document.

2005-09-20  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/23929
        * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
        if expr is NULL.

        PR tree-optimization/23818
        * tree-stdarg.c (execute_optimize_stdarg): Call
        calculate_dominance_info.

2005-09-20  Daniel Berlin  <dberlin@dberlin.org>

        * tree-data-ref.c (get_number_of_iters_for_loop): New function.
        (analyze_siv_subscript_cst_affine): Add weak SIV test.
        (compute_overlap_steps_for_affine_1_2): Use
        get_number_of_iters_for_loop.
        (analyze_subscript_affine_affine): Check whether difference is
        zero first.
        Use get_number_of_iters_for_loop.
        Check whether overlap occurs outside of bounds.
        (analyze_miv_subscript): Use get_number_of_iters_for_loop.

2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>

        * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
        base register if possible.

2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/18463
        * tree-chrec.c (chrec_convert): Return fold_converted chrec if
        converting it directly is not possible.
        (chrec_convert_aggressive): New function.
        * tree-chrec.h (chrec_convert_aggressive): Declare.
        * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
        Fold chrec conversions aggressively if asked to.
        (instantiate_parameters): Modified because of changes in
        instantiate_parameters_1.

2005-09-19  Richard Henderson  <rth@redhat.com>

        * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
        (reduc_splus_v2df): New.

2005-09-19  Richard Sandiford  <richard@codesourcery.com>

        * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
        (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.

2005-09-19  Richard Henderson  <rth@redhat.com>

        * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
        vcondu<SSEMODE12>.

2005-09-19  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.c (ia64_expand_widen_sum): New.
        (ia64_expand_dot_prod_v8qi): New.
        * config/ia64/ia64-protos.h: Update.
        * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
        widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
        sdot_prodv8qi, sdot_prodv4hi): New.
        (reduc_splus_v2sf): Rename from reduc_plus_v2sf.

2005-09-19  Richard Henderson  <rth@redhat.com>

        PR 23941
        * real.c (exact_real_truncate): Return false if the format cannot
        represent the number as a normal.

        * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
        for a memory source.

2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>

        * tree-ssa-operands.c (swap_tree_operands): Export.
        * tree.h (swap_tree_operands): Declare.
        * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
        Call swap_tree_operands.

2005-09-19  Richard Henderson  <rth@redhat.com>

        * tree-flow.h (merge_alias_info): Declare.
        * tree-ssa-copy.c (merge_alias_info): Export.
        * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
        (vect_create_data_ref_ptr): Use create_iv directly.
        (vectorizable_load): Use correct types for integer constants.
        (vect_generate_tmps_on_preheader): Likewise.
        (vect_gen_niters_for_prolog_loop): Likewise.

2005-09-19  Steven Bosscher  <stevenb@suse.de>

        PR rtl-optimization/23943
        * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.

2005-09-18  Jan Hubicka  <jh@suse.cz>

        * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.

2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>

        * varasm.c (output_constant): Do not abort on conversions to union
        types between different sizes.

2005-09-18  Richard Guenther  <rguenther@suse.de>

        PR middle-end/23944
        * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
        fallback.

2005-09-18  Paul Brook  <paul@codesourcery.com>

        * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.

2005-09-17  Richard Henderson  <rth@redhat.com>

        * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
        * tree-ssa-loop.c (pass_vect_dce): Remove.
        * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
        of pass_vectorize.

2005-09-17  Richard Henderson  <rth@redhat.com>

        * tree-pass.h (pass_vect_dce): Declare.
        * passes.c (init_optimization_passes): Add it.
        * tree-flow.h (tree_ssa_dce): Declare.
        * tree-ssa-dce.c (tree_ssa_dce): Export.
        * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
        (gate_tree_vectorize): ... here.
        (pass_vect_dce): New.

2005-09-17  Jan Hubicka  <jh@suse.cz>

        * except.c (struct eh_status): Turn region_array into vec.
        (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
        convert_from_eh_region_ranges, find_exception_handler_labels,
        current_function_has_exception_handlers, assign_filter_values,
        build_post_landing_pads, dw2_build_landing_pads,
        sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
        sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
        foreach_reachable_handler, can_throw_internal_1,
        convert_to_eh_region_ranges, verify_eh_tree): Update uses of
        region_array.
        (duplicate_eh_region_1): Update region_array.
        (duplicate_eh_regions): Resize region_array and avoid recomputing.

2005-09-17  David Edelsohn  <edelsohn@gnu.org>

        PR middle-end/22067
        * expmed.c (expand_mult): Substitute simple register for op0 when
        computing max_cost.

2005-09-17  Richard Henderson  <rth@redhat.com>

        * expr.c (emit_move_via_integer): Add force argument, pass it on
        to emit_move_change_mode.  Update callers.
        (emit_move_complex): Pass true to new force argument.
        * function.c (expand_function_end): Move expand_eh_return call
        earlier.  Merge sub-word complex values into a pseudo before
        copying to the return hard register.

2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>

        * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
        between different sizes.

2005-09-16  Paolo Bonzini  <bonzini@gnu.org>

        PR 23903

        * passes.c (init_optimization_passes): Register dump files for
        IPA passes first.

2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
        * config/s390/s390.c (s390_overlap_p): New function.
        * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
        peephole2, "*xc" peephole2): Added overlap check to the peephole2
        condition.

2005-09-16  Richard Guenther  <rguenther@suse.de>

        * ipa-pure-const.c (static_execute): Free auxiliar information.
        * ipa-type-escape.c (discover_unique_type): Free temporary key.
        * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.

2005-09-15  DJ Delorie  <dj@redhat.com>

        * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.

2005-09-15  Paolo Bonzini  <bonzini@gnu.org>

        * optabs.c (expand_binop): Use swap_commutative_operands_with_target
        to order operands.
        (swap_commutative_operands_with_target): New.

2005-09-15  Daniel Berlin  <dberlin@dberlin.org>

        * tree-data-ref.c (analyze_array_indexes): Add estimate_only
        parameter.
        Update callers.
        (estimate_iters_using_array): New function.
        * tree-data-ref.h (estimate_iters_using_array): Prototype
        * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
        Use estimate_iters_using_array instead of analyze_array.

2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
        as addressable.

2005-09-15  Michael Matz  <matz@suse.de>

        * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.

2005-09-14  Daniel Berlin  <dberlin@dberlin.org>

        PR tree-optimization/23835
        * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
        (create_name_tags): Rewrite to be not O(num_ssa_names^2).

2005-09-14  Richard Henderson  <rth@redhat.com>

        * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
        (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.

2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
        in the ARRAY_TYPE case.

2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.

2005-09-14  Uros Bizjak  <uros@kss-loka.si>

        PR middle-end/22480
        * tree-vect-transform.c (vectorizable_operation): Return false for
        scalar shift operations and for vector shift operations with
        non-invariant shift arguments.  Use scalar tree operand op1 as
        a shift operand when vector shift insn pattern uses scalar shift
        operand.
        * Makefile.in (tree-vect-transform.o): Depend on recog.h.

2005-09-14  Olivier Hainque  <hainque@adacore.com>

        * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
        value if it has side-effects.

2005-09-14  David Edelsohn  <edelsohn@gnu.org>

        PR target/22068
        * config/rs6000/rs6000.md (muldi3): Add mulli alternative.

2005-09-14  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
        passed as NAME as if it were label at start of function code.

2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.md (*movv4sf_i): Add general register cases to
        the constraints.

2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
        as early clobber.  Rewrite so the PIC register is not implicitly used.

2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * tree.c (annotate_with_file_line): Compare line numbers before
        file names.

2005-09-13  Uros Bizjak  <uros@kss-loka.si>

        PR target/23816
        * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
        (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.

2005-09-13  Ian Lance Taylor  <ian@airs.com>

        * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
        than a HOST_WIDEST_INT to gen_doloop_begin.

2005-09-13  Diego Novillo  <dnovillo@redhat.com>

        * tree-dfa.c (dump_variable): Guard against NULL annotations.

2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimize/23817
        * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.

2005-09-13  Alan Modra  <amodra@bigpond.net.au>

        PR target/23774
        * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
        word before changing the stack pointer.  Use gen_frame_mem for MEMs.
        Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
        (restore_stack_nonlocal): Likewise.
        (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.

2005-09-12  Ian Lance Taylor  <ian@airs.com>

        PR g++/7874
        * c.opt (ffriend-injection): New C++ option.
        * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
        (C++ Dialect Options): Document -ffriend-injection.

2005-09-12  Josh Conner  <jconner@apple.com>

        PR middle-end/23237
        * ipa-reference.c (static_execute): Don't mark variables in
        named sections TREE_READONLY.

2005-09-12  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
        stack_tie.

2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
        V_MUST_DEF instead of just the first_use_p.
        Don't mark the virtual variables for renaming on the statement which
        is being removed.
        (pass_dse): Remove TODO_update_ssa.

2005-09-12  J"orn Rennecke <joern.rennecke@st.com>

        PR middle-end/23290
        * stor-layout.c (compute_record_mode): For records with a single
        field, actually check the field's mode size against the type size.

        * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
        registers for TARGET_SHMEDIA.
        (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
        GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
        of GENERAL_REGS and FP_REGS.

2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.

2005-09-12  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
        CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
        are omitted.  Exclude stack_tie insn too.

2005-09-11  David Edelsohn  <edelsohn@gnu.org>

        PR rtl-optimization/23098
        * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
        0.0f is easy.
        * config/rs6000/rs6000.md (movdf splitter): Use
        const_double_operand predicate for TARGET_POWERPC64.
        * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
        SYMBOL_REF method to ABI_V4.

        * config/rs6000/altivec.md (build_vector_mask_for_load): Use
        replace_equiv_address.
        * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
        rs6000_sr_alias_set and MEM_NOTRAP.
        (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().

2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.c (contains_placeholder_p) <tcc_expression>: Properly
        handle CALL_EXPR again.

2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>

        * arm/predicates.md (alignable_memory_operand): Delete.

2005-09-10  Richard Henderson  <rth@redhat.com>

        PR debug/23806
        * dbxout.c (dbxout_expand_expr): New.
        (dbxout_symbol): Use it.

2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>

        * arm.c (arm_gen_rotated_half_load): Delete.
        (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
        (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
        (thumb_set_return_address): Likewise.
        (thumb_load_double_from_address): Use adjust_address.
        * arm.md (splits calling arm_gen_rotated_half_load): Delete.
        (extendhsisi2_mem, movhi_bytes): Use change_address.
        (movhi): Use widen_memory_access.
        (reload_out_df): Use replace_equiv_address.
        * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.

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

        PR debug/20998
        * dbxout.c: Include expr.h.
        (dbxout_global_decl): Don't suppress for DECL_RTL unset.
        (dbxout_symbol): Handle DECL_VALUE_EXPR.
        * Makefile.in (dbxout.o): Add EXPR_H.

2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/23509
        * tree-cfg.c (replace_uses_by): Use replace_exp.
        * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
        pointers have name_mem_tag or type_mem_tag set.

2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>

        * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
        CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
        of wrongly accessing operands.

2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>

        * Makefile.in (tree-chrec.o): Depends on SCEV_H.
        * tree-chrec.c: Include tree-scalar-evolution.h.
        (chrec_convert): Instantiate the base and step before calling
        scev_probably_wraps_p that would fail on parametric evolutions.
        Collect all the fails into a single section failed_to_convert,
        print a diagnostic, and return chrec_dont_know instead of calling
        fold_convert.
        * tree-scalar-evolution.c (loop_closed_phi_def): New.
        (instantiate_parameters_1): Avoid instantiation of loop closed ssa
        phi nodes.
        (scev_const_prop): Don't replace the definition of a loop closed ssa
        phi node by itself, or by another loop closed ssa phi node.
        * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
        that base and step are defined.

2005-09-09  Richard Guenther  <rguenther@suse.de>

        PR c++/23624
        * fold-const.c (fold_ternary): Check truth_value_p before
        calling invert_truthvalue.

2005-09-09  Nick Clifton  <nickc@redhat.com>

        * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
        * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
        dimension of these arrays.
        * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
        these arrays.
        * longlong.h: Only provide a prototype for the __clz_tab[] array
        if this header has not been included from libgcc2.h.
        * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
        defining own types.
        Provide prototypes for exported functions.
        Use the __clz_tab[] and __popcount_tab[] arrays provided by
        libgcc2.c.

2005-09-08  Josh Conner  <jconner@apple.com>

        PR c++/21135
        PR c++/23180
        * expr.c (expand_expr_addr_expr_1): Don't invoke
        expand_simple_binop for EXPAND_INITIALIZER.

2005-09-08  Richard Henderson  <rth@redhat.com>

        PR debug/23190
        * toplev.c (wrapup_global_declaration_1): Split out ...
        (wrapup_global_declaration_2): ... from ...
        (wrapup_global_declarations): ... here.  Return bool.
        (check_global_declaration_1): Split out ...
        (check_global_declarations): from here.
        (emit_debug_global_declarations): New.
        * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
        check_global_declaration_1, emit_debug_global_declarations): Declare.
        * c-decl.c (c_write_global_declarations_1): Don't create a vector
        of decls.  Call wrapup_global_declaration_1,
        wrapup_global_declaration_2, check_global_declaration_1 directly.
        (c_write_global_declarations_2): New.
        (ext_block): New.
        (c_write_global_declarations): Call c_write_global_declarations_2.
        * langhooks.c (write_global_declarations): Call
        emit_debug_global_declarations.

        * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
        remove decls that have DECL_RTL_SET_P.
        * passes.c (rest_of_decl_compilation): Invoke
        cgraph_varpool_finalize_decl for all but functions.

2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
        the result of a conversion if the new min and max cannot be compared.

2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (s390_sr_alias_set): Variable removed.
        (override_options): Setting s390_sr_alias_set removed.
        (save_fpr, save_gprs): Set alias set to vararg or frame.
        (restore_fpr, restore_gprs, s390_emit_prologue): Replace
        s390_sr_alias_set with get_frame_alias_set ().
        (s390_gimplify_va_arg): Replace s390_sr_alias_set with
        get_varargs_alias_set ().

2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>

        PR objc/20574
        PR objc/19324
        * c-parser.c (c_parser_objc_method_definition): If the next
        token is not "{", error out and don't start the function.

2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree-vrp.c (extract_range_from_expr): Move the check for non
        nullness after the check for gimple invariant.

2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * tree.c (host_integerp, tree_low_cst): Correct function comment.

2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>

        PR target/23747
        * config/m32r.md (movmemsi_internal): Canonicalize order of
        operands in PLUS component of template.

2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>

        * reload1.c (fixup_eh_region_note): Remove assertion.
        (fixup_abnormal_edges): Reverted removal of call to
        find_many_sub_basic_blocks made on 2005-08-31.

2005-09-07  Richard Henderson  <rth@redhat.com>

        * function.c (ARG_POINTER_CFA_OFFSET): Move ...
        * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
        (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
        * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
        rearrange for better packing.
        (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
        (lookup_cfa_1): Remove inline marker.
        (cfa_equal_p): Split out of ...
        (def_cfa_1): ... here.  Use INVALID_REGNUM.
        (build_cfa_loc): Handle !cfa->indirect.
        (frame_pointer_cfa_offset): New.
        (dbx_reg_number): Assert register elimination performed; do
        leaf register remapping.
        (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
        (eliminate_reg_to_offset): New.
        (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
        for verifiably local stack frame addresses; re-base to CFA.
        (mem_loc_descriptor): Remove can_use_fbreg argument.
        (concat_loc_descriptor, loc_descriptor): Likewise.
        (containing_function_has_frame_base): Remove.
        (rtl_for_decl_location): Don't do register elimination or
        leaf register remapping here.
        (secname_for_decl): Split out from ..
        (add_location_or_const_value_attribute): ... here.
        (convert_cfa_to_loc_list): New.
        (compute_frame_pointer_to_cfa_displacement): New.
        (gen_subprogram_die): Use them.
        * tree.h (frame_base_decl): Remove.
        * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
        (prologue_stack_adjust): Remove.
        (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
        (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
        (set_frame_base_location): Remove.
        (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
        (dump_attrs_list, dump_dataflow_set): Use string concatenation.
        (vt_add_function_parameters): Don't eliminate_regs.
        (vt_initialize): Don't create frame_base_decl.

2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
        version of GNU binutils for 4.x and later.

2005-09-06  Mark Mitchell  <mark@codesourcery.com>

        * ggc-page.c (ggc_push_context): Remove.
        (ggc_pop_context): Likewise.
        * ggc.h (ggc_push_context): Remove.
        (ggc_pop_context): Likewise.

2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>

        PR target/8973
        * config/arc/arc.c (arc_output_function_epilogue): Update flags while
        returning from an interrupt handler.

2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>

        PR target/8972
        * config/arc/arc.c (output_shift): Add check for loop count when
        optimizing.

2005-09-06  Steven Bosscher  <stevenb@suse.de>

        * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
        form manually.
        (abs_replacement): Likewise.
        (pass_phiopt): Remove TODO_update_ssa.

2005-09-06  Jakub Jelinek  <jakub@redhat.com>

        PR c/23075
        * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
        if "return with no value, in function returning non-void" warning
        has been issued.
        * tree-cfg.c (execute_warn_function_return): Don't look at
        RETURN_EXPRs with TREE_NO_WARNING set.

        PR target/22362
        * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
        for internal functions doesn't use registers used by global registers
        variables.  Use fewer register parameters if there are global register
        variables.

2005-09-06  Olivier Hainque  <hainque@adacore.com>
            Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/14997
        * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
        when we would be extracting outside its bit span (bitpos+bitsize
        larger than its mode), possible with some VIEW_CONVERT_EXPRs from
        Ada unchecked conversions.

2005-09-06  Steven Bosscher  <stevenb@suse.de>

        * tree-ssa-pre.c (try_look_through_load): New function.
        (compute_avail): Use it to try to look through loads for some
        more useful expressions.

2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>

        * simplify-rtx.c (simplify_binary_operation_1): Correct the
        condition for detecting cases like (a&a) and (a^a).

2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>

        * common.opt: Add option ftree-vect-loop-version.
        * params.def: Add --param vect-max-version-checks.
        * doc/invoke.texi: Document ftree-vect-loop-version and
        --param vect-max-version-checks.
        * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
        may_misalign_stmts and defines for accessors.
        * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
        LOOP_VINFO_MAY_MISALIGN_STMTS.
        (destroy_loop_vec_info): VEC_free for
        LOOP_VINFO_MAY_MISALIGN_STMTS.
        * tree-vect-analyze.c (vect_compute_data_ref_alignment):
        Update documentation.
        (vect_update_misalignment_for_peel): New.
        (vect_enhance_data_refs_alignment): Update to choose loop
        peeling or loop versioning if appropriate for the (potentially)
        unaligned data references in the loop.
        (vect_analyze_data_refs_alignment): Remove call to
        vect_enhance_data_refs_alignment so the checks can be done
        earlier.
        (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
        and move up call to vect_analyze_data_refs_alignment.
        * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
        (vect_transform_loop): Add call to loop_version.

2005-09-06  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/23098
        * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
        * simplify-rtx.c (constant_pool_reference_p): New function.
        * rtl.h (constant_pool_reference_p): New prototype.
        * config/i386/i386.md (pushf split, mov[sdx]f split): Use
        constant_pool_reference_p in condition and
        avoid_constant_pool_reference in preparation statements.

2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>

        * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
        STRICT_LOW_PART SETs.

2005-09-06  Alan Modra  <amodra@bigpond.net.au>

        PR middle-end/21460
        * except.c (sjlj_emit_function_enter): Find the function begin
        note even when it's not in first basic block.

2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>

        * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
        AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
        * aclocal.m4: Regenerate.

2005-09-05  DJ Delorie  <dj@redhat.com>

        * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
        of macro.

2005-09-06  Kazu Hirata  <kazu@codesourcery.com>

        * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
        config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
        config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
        Follow spelling conventions.
        * doc/invoke.texi: Follow spelling conventions.

2005-09-05  J"orn Rennecke <joern.rennecke@st.com>

        * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
        * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
        * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.

2005-09-05  J"orn Rennecke <joern.rennecke@st.com>

        PR target/23683
        * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
        (output_stack_adjust): Use gen_tmp_stack_mem.
        (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
        (sh_set_return_address, sh_allocate_initial_value): Likewise.
        (sh_get_pr_initial_val): Likewise.
        (sh_builtin_saveregs): Use gen_frame_mem and change_address.
        (sh_initialize_trampoline): Likewise.  Also use adjust_address.
        * sh.md (divsi_inv_m0): Use gen_const_mem.
        (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
        (movdf_i4+1): Use gen_tmp_stack_mem.
        (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
        (fpu_switch+2): Likewise.
        (movv4sf_i, movv16sf_i): Use adjust_address.
        (symGOT_load): Set MEM_NOTRAP_P bit.

2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/23721
        * pa.c (emit_move_sequence): Fix typo in last change.

2005-09-03  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/23454
        * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
        is true.

2005-09-03  Richard Henderson  <rth@redhat.com>
            John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR middle-end/23671
        * pa.c (emit_move_sequence): Use replace_equiv_address instead of
        gen_rtx_MEM.

2005-09-02  Nicolas Pitre <nico@cam.org>

        * config/arm/arm.c (arm_legitimize_address): Limit the value passed
        to bit_count to 32 bits.

2005-08-31  Mark Mitchell  <mark@codesourcery.com>

        PR c++/23167
        * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
        generating synthetic loads from volatile lvalues.

005-09-02  Nick Clifton  <nickc@redhat.com>

        * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
        __ctzhi2, __clzhi2): New functions.

2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/23547
        * tree-nested.c (struct var_map_elt): Mark with GTY.
        (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
        var_map_elt.
        (lookup_field_for_decl): Allocate new element in GC memory.
        (lookup_tramp_for_decl): Likewise.
        (convert_nl_goto_reference): Likewise
        (create_nesting_tree): Allocate info in GC memory. Likewise for
        info->var_map.
        (free_nesting_tree): Free with ggc_free instead of free.
        (root): New static variable.
        (lower_nested_functions): Remove root as local variable.  And zero out
        root at the end of the function.

2005-09-02  J"orn Rennecke <joern.rennecke@st.com>

        PR rtl-optimization/20365
        * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
        to short.  New member ix.
        (simplify_plus_minus_op_data_cmp): Break ties using ix member.
        (simplify_plus_minus): Initialize ix members before calling qsort.

2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/23626
        * tree-cfg.c (replace_uses_by): Clean up eh info.

2005-09-01  DJ Delorie  <dj@redhat.com>

        * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
        fprintf.

2005-09-01  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
        (rs6000_split_multireg_move): Use replace_equiv_address instead of
        gen_rtx_MEM.

2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>

        * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
        do not issue warning for a variable definition following
        a declaration.

2005-09-01  Richard Henderson  <rth@redhat.com>

        PR 23668
        * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
        conversion to CONST_VECTOR.

2005-09-01  Richard Henderson  <rth@redhat.com>

        PR 23676
        * reload1.c (reload_as_needed): Check !CALL_P before calling
        fixup_eh_region_note.
        * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.

2005-09-01  DJ Delorie  <dj@redhat.com>

        * varasm.c (output_constant): Let the target resolve
        conversions of addresses to non-default pointer sizes.

2005-09-01  Nicolas Pitre <nico@cam.org>

        * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
        to alow matching ARM pre-indexed addressing mode.
        (arm_override_options): Remove now irrelevant comment.

2005-09-01  Phil Edwards  <phil@codesourcery.com>

        * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
        * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
        * config/i386/vxworks.h:  Likewise.
        * config/i386/t-vxworksae:  New file, for VxWorks AE.
        * config/i386/vxworksae.h:  Likewise.

2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>

        PR tree-optimization/23410
        * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
        sequence is not wrapping during the first step.

2005-09-01  Jakub Jelinek  <jakub@redhat.com>

        PR debug/7241
        * dwarf2out.c (base_type_die): Compare char_type_node with
        TYPE_MAIN_VARIANT (type), not type.

2005-09-01  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/15366
        * common.opt: Add -finline-functions-called-once.
        Put -fearly-inlining in alphabetically ordered place.
        * doc/invoke.texi: Document new option.
        * ipa-inline.c (cgraph_decide_inlining): Honour
        flag_inline_functions_called_once.

2005-09-01  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/23478
        * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
        (alloc_qty): Initialize it.
        (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
        (combine_regs): Combine also n_throwing_calls_crossed fields.
        (find_free_reg): Don't attempt to caller-save pseudos crossing
        calls that might throw.
        * global.c (struct allocno): Add throwing_calls_crossed field.
        (global_alloc): Revert 2005-08-22 change.  Initialize
        throwing_calls_crossed.
        (find_reg): Don't attempt to caller-save pseudos crossing calls that
        might throw.

2005-09-01  Alan Modra  <amodra@bigpond.net.au>

        PR target/23649
        * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
        (mask64_operand): Reinstate code prior to 2005-06-11 change.
        (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
        (and64_2_operand): Tweak to use predicate.
        (and_operand): Adjust for mask_operand changes.
        * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
        (print_operand): Likewise.
        (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
        (mask64_1or2_operand): Delete.
        * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
        * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
        (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
        (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
        * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
        (rotldi3_internal4): Likewise.
        (rotldi3_internal5, rotldi3_internal5 split): Likewise.
        (rotldi3_internal6, rotldi3_internal6 split): Likewise.
        (ashldi3_internal7): Likewise.
        (ashldi3_internal8, ashldi3_internal8 split): Likewise.
        (ashldi3_internal, ashldi3_internal9 split): Likewise.
        (anddi3 split): Don't match mask64_operand.
        (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
        (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
        splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
        't' splitter predicate.
        (movdi_internal64 + 2): Revert 2005-06-11 change.

2005-08-31  DJ Delorie  <dj@redhat.com>

        * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
        (m32c_asm_integer): Add support for 32 bit pointers.

2005-08-31  Richard Henderson  <rth@redhat.com>

        * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
        component-like references for setting MEM_NOTRAP_P.

        * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
        * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.

2005-08-31  Richard Henderson  <rth@redhat.com>

        * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
        into a pseudo before applying gen_lowpart.

2005-08-31  Geoffrey Keating  <geoffk@apple.com>

        * doc/install.texi (Specific): Update cctools version required
        for full functionality.
        * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
        linkers as -macosx_version_min.

2005-08-31  J"orn Rennecke <joern.rennecke@st.com>

        PR target/21255
        * sh.c (print_operand, %R and %S): Add handling of floating point
        registers, memory, constants and invalid operands.

2005-08-31  Daniel Berlin  <dberlin@dberlin.org>

        * ipa-pure-const.c: Change dump name.

2005-08-31 Uros Bizjak <uros@kss-loka.si>

        PR target/23570
        * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
        to "reg_or_0_operand".
        (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".

2005-08-31  Dale Johannesen  <dalej@apple.com>

        * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
        loops that count down.

2005-08-31  Richard Henderson  <rth@redhat.com>

        PR rtl-opt/23601
        * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
        (fixup_eh_region_note): New.
        (reload_as_needed): Call it.
        (fixup_abnormal_edges): Allow all throwing insns to be deleted;
        don't call find_many_sub_basic_blocks; call verify_flow_info.
        * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
        (keep_stack_depressed): Likewise.
        (assign_stack_temp_for_type): Likewise; use adjust_address_nv.

2005-08-31  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
        fp return matching.

2005-08-31  Fariborz Jahanian <fjahanian@apple.com>

        * expr.c (expand_expr_real_1): Compare size of address
        mode to target's address mode size in deciding expansion of
        the constant address.

2005-08-31  Richard Guenther  <rguenther@suse.de>

        PR middle-end/23477
        * expr.c (all_zeros_p): New function.
        (expand_expr_real_1): Handle the case of an all-zero
        non-addressable constructor separately.

2005-08-31  Adrian Straetling  <straetling@de.ibm.com>

        * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
        arguments, adjust all callers.
        (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.

2005-08-30  Richard Henderson  <rth@redhat.com>

        PR target/23630
        * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
        whenever the mode sizes match.

2005-08-31  Alan Modra  <amodra@bigpond.net.au>

        * calls.c (load_register_parameters): Fix comment typo.
        * expr.c (emit_push_insn): Comment formatting.

2005-08-30  Ian Lance Taylor  <ian@airs.com>

        * config/i386/x-cygwin (host-cygwin): Change dependency from
        hosthooks-def.h to $(HOSTHOOKS_DEF_H).

2005-08-29  Geoffrey Keating  <geoffk@apple.com>

        * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
        parts of 'vals'.

2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/23408
        * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
        call to ggc_collect.

2005-08-29  Paolo Bonzini  <bonzini@gnu.org>

        PR bootstrap/21268
        * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
        beginning.  Remove $(INCLUDES) from all the rules, if following
        $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).

2005-08-29  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/23484
        * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
        fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
        not constant, but maxlen is, don't set len to maxlen, rather
        set maxlen to len if len is a constant.

2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/23475
        * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
        and counts.

2005-08-28  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR middle-end/22455

        * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
        Checksum only the parts of the tree that exist for the tree code.

2005-08-28  Dale Johannesen  <dalej@apple.com>

        * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.

2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.

2005-08-28  Richard Henderson  <rth@redhat.com>

        * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
        * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
        of char_type_node.

2005-08-28  Jakub Jelinek  <jakub@redhat.com>

        PR ada/23593
        * builtins.c (get_memory_rtx): Don't strip nops
        in between COMPONENT_REFs.

2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/23463
        * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
        types.
        (gimplify_modify_expr): Check for zero sized types and gimplify the
        rhs and lhs as statements.

2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>

        PR libgcj/23508
        * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
        state for return address column of signal frames.

2005-08-27  David Edelsohn  <edelsohn@gnu.org>

        PR target/23539
        * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
        bytes >= 2 not bytes == 2.
        (expand_block_move): Same.

2005-08-27  Richard Guenther  <rguenther@suse.de>

        PR target/23575
        * config/i386/sse.md (sse2_movsd): Add missing closing
        braces.

2005-08-27  Paul Brook  <paul@codesourcery.com>

        * genrecog.c (enum decision_type): Add DT_num_insns.
        (struct decision_test): Add u.num_insns.
        (add_to_sequence): Add DT_num_insns test.
        (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
        (write_cond, debug_decision_2): Ditto.
        (change_state): Assume peep2_next_insn never fails.
        Remove "afterward" argument.
        (write afterward, write_tree): Update to match.
        * recog.c (peep2_current_count): New variable.
        (peep2_next_insn): Check it.
        (peephole2_optimize): Set peep2_current_count.
        * recog.h (peep2_current_count): Declare.

2005-08-26  Josh Conner  <jconner@apple.com>

        PR middle-end/23584
        * ipa-pure-const.c (check_tree): Check for volatile-ness
        when considering a dereference.

2005-08-27  Jakub Jelinek  <jakub@redhat.com>

        * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.

2005-08-26  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/23561
        * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
        a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
        at most LEN bytes long memory fits into the field.
        (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
        expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
        expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.

2005-08-26  Richard Henderson  <rth@redhat.com>

        PR rtl-opt/23560
        * loop.c (biased_biv_may_wrap_p): New.
        (maybe_eliminate_biv_1): Use it to suppress non-equality
        comparison transformations.  Delete disabled code.

2005-08-26  Ian Lance Taylor  <ian@airs.com>

        * combine.c (make_extraction): Avoid reference outside object.

2005-08-26  J"orn Rennecke <joern.rennecke@st.com>

        * stor-layout.c (finalize_type_size): Restore behaviour for
        non-aggregate types to the status quo ante of the patch for
        pr 23467.  Document why it matters.

2005-08-26  Jakub Jelinek  <jakub@redhat.com>

        PR c/23506
        * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
        array by one element, initialize the BT_LAST element with NULL.

2005-08-26  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
        optimizing for size.
        (plus_eqsi): Same.
        (compare_plus_eqsi): Same.
        (plus_eqsi_compare): Same.
        (neg_eq0<mode>): Same.
        (neg_eq<mode>): Same.

        * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
        PROCESSOR_POWER4.

2005-08-26  Nick Clifton  <nickc@redhat.com>

        * config/v850/v850.c (ep_memory_operand): Return FALSE if
        TARGET_EP is not defined.
        * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
        TARGET_EP is enabled.
        (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
        * config/v850/v850.md (save_all_interrupt): Only use the EP
        register if TARGET_EP is defined.
        (restore_all_interrupt): Likewise.
        * config/v850/lib1funcs.asm: Update functions so that the EP
        register is only used if __EP__ is defined.

2005-08-26  David Ung  <davidu@mips.com>

        * config/mips/mips.c (mips_expand_prologue): Handle case when
        generating for MIPS16 and the outgoing argument area is more than
        SMALL_OPERAND. Use the frame pointer as temporary to generate the
        add instruction.

2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>

        * config/crx/crx.md: Make doloop_end pattern usage controllable
        via mloop-nesting=<max-nesting> command line switch. Make sure
        the combiner cannot use doloop_end_<mode> in an illegal way.
        * config/crx/crx.c: Use regs up to r6 for argument passing.
        Refine crx_address_cost (non cst4 displacements are expensive).
        * config/crx/crx.opt: Add switch for mloop-nesting=.

2005-08-26  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
        (UNSPEC_MVST): New constant.

2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
        Reject operands containing eliminable registers.
        * testsuite/gcc.dg/20050825-1.c: New testcase.

2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
            Jan Hubicka  <jh@suse.cz>

        * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.

2005-08-24  Paolo Bonzini  <bonzini@gnu.org>

        PR tree-optimization/23546
        * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
        and REAL_CST nodes.

2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>

        * params.def (PARAM_MIN_SPEC_PROB): New.
        * sched-rgn.c (MIN_PROBABILITY): Delete.
        (compute_trg_info): Convert to PARAM_VALUE.
        * doc/invoke.texi (param): Document min-spec-prob.

2005-08-24  Fariborz Jahanian <fjahanian@apple.com>

        * config/darwin.h: define __PIC__
        * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
        TARGET_OS_CPP_BUILTINS macro.

2005-08-24  Paolo Bonzini  <bonzini@gnu.org>

        * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
        yesterday.

2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>

        * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
        to duplicate_block.
        * cfghooks.c (duplicate_block): Added position where to place
        new block as argument.
        * cfghooks.h (duplicate_block): Declaration changed.
        * cfglayout.c (copy_bbs): Add argument after.  Pass it to
        duplicate_block.
        * cfglayout.h (copy_bbs): Declaration changed.
        * cfgloop.h (loop_version): Declaration changed.
        * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
        position to copy_bbs.
        (loop_version): Pass position to duplicate_loop_to_header_edge.
        Add place_after argument and position new blocks according to
        it.
        * modulo-sched.c (sms_schedule): Pass place_after argument
        to loop_version.
        * tracer.c (tail_duplicate): Pass argument to duplicate_block.
        * tree-cfg.c (split_edge_bb_loc): New function.
        (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
        to determine position of new blocks.
        * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
        to loop_version.
        * tree-ssa-threadupdate.c (create_block_for_threading): Pass
        argument to duplicate_block.
        * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
        Pass position to copy_bbs.

2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>

        * fold-const.c (ptr_difference_const): Use
        cst_and_fits_in_hwi instead of host_integerp.

2005-08-24  Paolo Bonzini  <bonzini@gnu.org>

        * config/darwin.c (gen_pic_offset): New.
        (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
        Use it.

2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/23486
        * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.

2005-08-23  Phil Edwards  <phil@codesourcery.com>

        * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
        remove use_collect2.
        (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.

        * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
        configuration files to override the default value.

        * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
        EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
        * config/vx-common.h:  New file, split out from...
        * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
        * config/vxworksae.h:  New file, for VxWorks AE.
        * config/vxworks.opt:  New file.
        * config/vxlib.c:  Update for VxWorks 6.

        * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
        other MULTILIB_* variables appropriately.
        (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
        * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
        * config/rs6000/vxworks.h:  Update for VxWorks 6.
        * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.

2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/20799
        * config/darwin.c (machopic_select_section): Remove the hack to
        mark "::operator new" and "::operator delete" for coalescing
        even though they are not weak.

2005-08-24  Alan Modra  <amodra@bigpond.net.au>

        * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
        * configure: Regenerate.

2005-08-23  Paolo Bonzini  <bonzini@gnu.org>

        PR middle-end/23517
        * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
        between vectors.
        * convert.c (convert_to_integer, convert_to_vector): Likewise.
        * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
        Likewise.

2005-08-23  Paolo Bonzini  <bonzini@gnu.org>

        * config/rs6000/predicates.md (equality_operator): New.
        * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
        comparison with a large constant.

2005-08-23  Mark Mitchell  <mark@codesourcery.com>

        * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.

2005-08-23  J"orn Rennecke <joern.rennecke@st.com>

        * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
        registers is even, and we have a hardware double precision fp,
        align the buffer.
        (sh_gimplify_va_arg_expr): For floating point arguments, consider
        size of current argument when checking if argument was passed in
        registers.

        * sh.c (sh_attr_renesas_p): Handle error_mark_node.

        PR middle-end/23467
        * stor-layout.c (finalize_type_size): Dont override
        existing alignment with a smaller alignment from the mode.

2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>

        * lambda-code.c (lambda_vector_lexico_pos): Moved...
        * lambda.h (lambda_vector_lexico_pos): ... here.
        * tree-data-ref.c (build_classic_dist_vector): Return false when
        the distance vector is lexicographically negative.

2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>

        PR tree-optimization/23511
        * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
        handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.

2005-08-23  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/22043
        * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
        * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
        If ALLOW_FLEXARR, handle types ending with flexible array member.
        Pass false as second argument to recursive count_type_elements calls.
        (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
        argument to count_type_elements call.
        * tree-sra.c (decide_block_copy): Likewise.
        * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
        for a constant-sized object, set cleared as well.  Pass true as
        second argument to count_type_elements call.

2005-08-23  Alan Modra  <amodra@bigpond.net.au>

        PR target/21571
        * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
        from legitimate_small_data_p, and make global.  Update use.
        Remove forward declaration.
        * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
        Declare.
        * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.

2005-08-23  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
        of scratch intermediates.
        (eq<mode>_compare): Same.
        (neg_eq0<mode>): New.
        (neg_eq<mode>): Convert to define_insn_and_split.

2005-08-23  Alan Modra  <amodra@bigpond.net.au>

        PR target/23070
        * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
        stdarg functions, set/clear the fp marker even when no variable
        args are passed.
        * config/rs6000/sysv4.opt (mprototype): Describe.

2005-08-22  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/23478
        * regs.h (reg_info): Add throw_calls_crossed.
        (REG_N_THROWING_CALLS_CROSSED): Define.
        * flow.c (allocate_reg_life_data): Initialize
        REG_N_THROWING_CALLS_CROSSED.
        (propagate_one_insn, attempt_auto_inc): Update
        REG_N_THROWING_CALLS_CROSSED.
        * global.c (global_alloc): Don't allocate pseudos across
        calls that may throw.

2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>

        PR c/18715
        * c-common.c (c_do_switch_warnings): Look for a node where the enum's
        value is inbetween the range if we did not find an exact match.

2005-08-22  Aldy Hernandez  <aldyh@redhat.com>

        * doc/invoke.texi (Option Summary): Add ms1 options.
        * doc/extend.texi: Document interrupt handler attribute for ms1.
        * doc/md.texi: Document ms1 constraints.
        * config.gcc: Add ms1-*-elf.
        * config/ms1/ms1.h: New.
        * config/ms1/ms1.c: New.
        * config/ms1/ms1.md: New.
        * config/ms1/ms1-protos.h: New.
        * config/ms1/ABI.txt: New.
        * config/ms1/crti.asm: New.
        * config/ms1/crtn.asm: New.
        * config/ms1/lib2extra-funcs.c: New.
        * config/ms1/t-ms1: New.
        * config/ms1/ms1.opt: New.

2005-08-22 Ira Rosen <irar@il.ibm.com>

        * config/rs6000/altivec.md (xorv4sf3): New.
        (negv4sf2, neg<mode>2): Likewise.

2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/23485
        * config/ia64/ia64.md (divsi3): Check divide by zero.
        (udivsi3): Likewise.
        (divdi3): Likewise.
        (udivdi3): Likewise.

2005-08-21  Jakub Jelinek  <jakub@redhat.com>

        * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
        up to elem_bitsize bits, not max_bitsize.

2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>

        PR tree-optimization/23433
        * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
        REAL_CST when the type is SCALAR_FLOAT_TYPE_P.

2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>

        PR tree-optimization/23434
        * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
        the iteration bound is not an INTEGER_CST.

2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>

        * tree-vect-transform.c (get_initial_def_for_reduction): Set
        need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
        NULL if need_epilog_adjust is false.
        (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
        Case 3 always peels first itration, not just for PLUS case, and no need
        to use scalar_initial_def here. Create an epilog adjustment only if
        scalar_initial_def is not NULL.

        (vectorizable_reduction): Remove assert.

2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/23485
        * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
        (__moddi3): Likewise.
        (__udivdi3): Likewise.
        (__umoddi3): Likewise.
        (__divsi3): Likewise.
        (__modsi3): Likewise.
        (__udivsi3): Likewise.
        (__umodsi3): Likewise.

2005-08-20  Jakub Jelinek  <jakub@redhat.com>

        * tree-pass.h (TDF_GRAPH): Define.
        * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
        * passes.c (finish_optimization_passes): Only call
        finish_graph_dump_file if TDF_GRAPH is set.
        (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
        NULL.  Set TDF_GRAPH bit.
        (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.

2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>

        * arm.h (arm_stack_offsets): Add locals_base field.
        * arm.c (arm_get_frame_offsets): Compute it.
        (thumb_compute_initial_elimination offset): Make the Thumb frame
        pointer point to the base of the local variables.
        (thumb_expand_prologue): Update accordingly.
        (thumb_expand_epilogue): Likewise.

        * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
        mode of clobbered scratch to DImode.  Handle a case that's known to
        need this.

2005-08-19  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (gt0<mode>): Delete.
        (gt0<mode>_compare): Delete.
        (neg_gt0<mode>): Delete.

2005-08-19  Eric Christopher  <echristo@apple.com>

        * optabs.h: Change CTI_ to COI_.
        * optabs.c: Ditto.

2005-08-19  James E Wilson  <wilson@specifix.com>

        * builtins.c (expand_builtin_return_addr): Set
        current_function_accesses_prior_frames when count != 0.  Use
        frame_pointer_rtx when count == 0.
        * function.h (struct function): Add accesses_prior_frames field.
        (current_function_accesses_prior_frames): Define.
        * reload1.c (init_elim_table): Check
        current_function_accesses_prior_frames.
        * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.

2005-08-19  Diego Novillo  <dnovillo@redhat.com>

        * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
        indicator.  Return true if the flowgraph changed during
        cleanup.

2005-08-19  Diego Novillo  <dnovillo@redhat.com>

        PR 23476
        * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
        conditional expression before testing its value.

2005-08-19  Diego Novillo  <dnovillo@redhat.com>

        * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.

2005-08-19  Devang Patel  <dpatel@apple.com>

        PR tree-optimization/23048
        * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
        third parameter. Check whether latch is dominated by exit
        block or not.
        (if_convertible_loop_p): Supply exit block itself to
        if_convertible_bb_p.

2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>

        PR target/23473
        * arm.md (arm_load_pic_register): Change argument to the mask of
        saved registers.  Call thumb_find_work_register if we need a
        scratch register on Thumb.
        (arm_expand_prologue): Pass empty register set to
        arm_load_pic_register.
        (thumb_expand_prologue): Pass live_regs_mask directly to
        arm_load_pic_register.
        * arm-protos.h (arm_load_pic_register): Update prototype.

2005-08-19  J"orn Rennecke <joern.rennecke@st.com>

        * sh.c (find_sole_member): New function.
        (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
        if the record's alignment is larger than the size of its only member.

2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>

        PR target/23436
        * arm.c (thumb_legitimize_reload_address): New function.
        * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
        * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.

2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>

        * config/crx/crx.c: Implement crx_decompose_address. Reject
        symbolic displacements since CRX register relative adressing
        mode can't handle unsigned 32-bit values as displacements.
        * config/crx/crx.h: Simplify definitions, remove redundant
        parenthesis and obsolete macros.
        * config/crx/crx.opt: Add new switch for debugging addresses.
        * config/crx/crx-protos.h: Add new declarations for above.

2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/20624
        * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
        looking past it.

2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * collect2.c (dup2): Delete.
        * configure.ac: Don't check for dup2.

        * config.in, configure: Regenerate.

2005-08-18  J"orn Rennecke <joern.rennecke@st.com>

        * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
        record with the type of its only member.

2005-08-18  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
        define_insn_and_split.
        (plus_ltu<mode>_compare): Same.
        (gtu<mode>_compare): Same.
        (plus_gtu<mode>_compare): Same.

2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>

        PR tree-optimization/22228
        * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
        todo_flags_start.
        * tree-vect-transform.c (vect_transform_loop): Mark the variables that
        are recorded in vect_vnames_to_rename for renaming.
        * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
        (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
        in vect_vnames_to_rename.
        (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
        * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.

2005-08-18  Jan Hubicka  <jh@suse.cz>

        PR c++/22034
        * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
        info only for local statics, not for member variables.

2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.

2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * c-typeck.c (designator_errorneous): Rename to designator_erroneous.

2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/16045
        * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.

2005-08-17  James E Wilson  <wilson@specifix.com>

        * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
        array size check.

2005-08-17  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
        (leu<mode>_compare): Same.
        (plus_leu<mode>): Same.
        (neg_leu<mode>): Same.
        (and_neg_leu<mode): Same.
        (ltu<mode>_compare): Same.
        (plus_ltu<mode>): Same.
        (geu<mode>): Same.
        (geu<mode>_compare): Same.
        (plus_geu<mode>): Same.
        (neg_geu<mode>): Same.
        (and_neg_geu<mode>): Same.
        (plus_gt<mode>): Same.
        (gtu<mode>_compare): Same.
        (plus_gtu<mode>): Same.

2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>

        * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
        Move call_table_data to end.  Delete spurious .text.
        (callt_save_all_interrupt): Fix comment typo.

2005-08-17  James E Wilson  <wilson@specifix.com>
            Kevin Winchester  <winchester@amirix.com>

        PR target/21684
        * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.

2005-08-17  Uros Bizjak  <uros@kss-loka.si>

        PR target/23268
        * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
        ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.

2005-08-17  J"orn Rennecke <joern.rennecke@st.com>

        * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
        record with the type of its only member if the modes don't match.

        * varasm.c (decode_reg_name): Skip empty additional register names.

2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
        lsm_tmp_name_length): New.
        (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
        (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".

2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
            Andreas Krebbel  <krebbel1@de.ibm.com>

        * config.gcc: Added z9-109 switch.
        * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
        "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
        "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
        "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
        "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
        for "z9_109" cpu attribute.
        * config/s390/s390.c (z9_109_cost): New processor cost structure.
        (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
        (s390_handle_arch_option): Added z9-109 switch.
        (override_options): Set respective cost function for z9-109.
        (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
        (legitimate_reload_constant_p): Accept extended immediates.
        (print_operand): Three new output modifiers added: k, m and o.
        (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
        (s390_output_mi_thunk): Use extended immediate when possible.
        * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
        (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
        (CONSTRAINT_LEN): Added length of O constraint.
        (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
        * config/s390/s390.md ("cpu"): New value z9_109 added.
        ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
        "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
        "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
        "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
        "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
        ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
        "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
        "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
        ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
        "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
        "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
        "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
        "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
        "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
        "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
        immediates.
        ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
        "zero_extend<mode>si2"): Allow memory operands and don't manually emit
        insns for TARGET_EXTIMM.

2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>

        * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.

2005-08-17  Nick Clifton  <nickc@redhat.com>

        * config/stormy16/stormy16.c (xstormy16_encode_section_info):
        Call default_encode_section_info.

2005-08-17  Steven Bosscher  <stevenb@suse.de>

        PR tree-optimization/21574
        * tree-ssa-ccp.c (likely_value): If the right hand side is a
        constant, return CONSTANT.
        (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
        (ccp_fold, visit_assignment): Likewise.
        (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.

2005-08-16  James A. Morrison  <phython@gcc.gnu.org>

        * c-typeck.c (build_function_call): Call fold_buildN_initializer or
        fold_buildN instead of buildN then fold_initializer or fold.
        (build_unary_op): Likewise.
        (build_binary_op): Likewise.
        * fold-const.c (fold_initializer): Remove.
        (fold_build1_initializer): New function.
        (fold_build2_initializer): New function.
        (fold_build3_initializer): New function.
        * tree.h (fold_initializer): Remove.
        (fold_build1_initializer): New function.
        (fold_build2_initializer): New function.
        (fold_build3_initializer): New function.

2005-08-16  James A. Morrison  <phython@gcc.gnu.org>

        * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
        (try_move_mult_to_index): Call fold_build2 instead of build2.
        (fold_binary): Don't call fold after calls to try_move_mult_to_index.
        * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
        fold_binary_to_constant.
        (infer_loop_bounds_from_undefined): Call fold_build2 instead of
        fold (build.
        * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
        check if A == gcd (A, B).  Remove TYPE argument.
        (analyze_offset) Use fold_build2 instead of fold (build.
        (create_data_ref): Likewise.
        (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
        * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
        then fold.

2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>

        * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
        ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.

2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/23402
        * gimplify.c (zero_sized_type): New function.
        (gimplify_modify_expr_rhs): If we have a zero sized type,
        replace the statement with an empty statement.

2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
        fxsave.

2005-08-16  Ian Lance Taylor  <ian@airs.com>

        * doc/tm.texi (Label Output): Correct typo.

2005-08-16  Steven Bosscher  <stevenb@suse.de>

        PR target/23376
        * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
        force_operand will work later on using have_insn_for.

2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * fold-const.c (tree_expr_nonnegative_p): Regroup cases.

2005-08-16  Ian Lance Taylor  <ian@airs.com>

        PR c++/23337
        * gimplify.c (gimplify_init_ctor_eval): If we see an element of
        vector type, don't try to construct it element by element.  Add an
        assertion that we use a FIELD_DECL when building a COMPONENT_REF.

2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.

2005-08-16  Geoffrey Keating  <geoffk@apple.com>

        * doc/invoke.texi (Precompiled Headers): Document some more options
        which are known to be safe.

2005-08-16  James E Wilson  <wilson@specifix.com>

        PR tree-optimization/21105
        * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
        TREE_OVERFLOW check.

2005-08-16  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
        (neg_ltu<mode>): Same.
        (gtu<mode>): Same.
        (neg_gtu<mode>): Same.

2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
        (fold_builtin_isdigit): Use fold_buildN.
        (build_function_call_expr): Likewise.
        * c-typeck.c (c_finish_loop): Likewise.

2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
            Richard Shann <rshann@superh.com>

        PR middle-end/20396:
        * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.

2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>

        * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.

2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>

        PR target/23355
        * arm.c (thumb_compute_save_reg_mask): Use similar logic to
        arm_compure_save_reg0_reg12_mask to determine when the PIC register
        must be saved.

2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR middle-end/23369
        * fold-const.c (build_range_check): Disable optimization for function
        pointer expressions on targets that require function pointer
        canonicalization.

2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>

        * simplify-rtx.c (simplify_const_relational_operation): When
        extracting arguments of a COMPARE, recompute the mode as well.

2005-08-15  Ian Lance Taylor  <ian@airs.com>

        * tree.c (build_string): Mark tree CONSTANT and INVARIANT.

2005-08-15  DJ Delorie  <dj@redhat.com>

        * config/m32c/mov.md (movqi_op): Immediates can't be moved to
        the stack.
        (movsi_splittable): Allow, but split, moves to the stack.
        * config/m32c/m32c.c (m32c_split_move): Always split moves to the
        stack.

2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
        * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
        * system.h (HOST_PTR_PRINTF): Don't define, poison it.

        * bitmap.c, c-decl.c, config/i386/i386-interix.h,
        config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
        Delete HOST_PTR_PRINTF.

        * configure, config.in: Regenerate.

2005-08-15  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (QHSI): New mode macro.
        (wd): Extend mode attr for QImode and HImode
        (dbits): New mode attr.
        (zero_extend<mode>di2): Convert to mode macro.

2005-08-15  Steve Ellcey  <sje@cup.hp.com>

        PR target/21841
        * doc/invoke.texi (-mgnu-ld): Update description.
        (-mhp-ld): Ditto.

2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>

        PR 23391
        * Makefile.in (tree-chrec.o): Depends on real.h.
        * tree-chrec.c: Include real.h.
        (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
        chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
        * tree-scalar-evolution.c (add_to_evolution_1,
        interpret_rhs_modify_expr): Ditto.

2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>

        PR 23386
        * tree-data-ref.c (estimate_niter_from_size_of_data): When
        step is negative compute the estimation from init downwards to zero.

2005-08-14  James A. Morrison  <phython@gcc.gnu.org>

        * fold-const (fold_binary): Call fold_build2 instead of fold (build.

2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
        constraint.
        (legitimate_reload_constant_p): Fix handling of lliXX operands.
        Accept double-word constants that can be split.
        * config/s390/s390.md ("movti"): Use 'P' constraint.
        ("*movdi_31", "*movdf_31"): Likewise.

2005-08-14  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/22615

        * tree-ssa-structalias.c (solution_set_add): Handle
        first_vi_for_offset returning NULL.
        (do_da_constraint): Ditto.
        (do_sd_constraint): Ditto.
        (do_ds_constraint): Ditto
        (find_func_aliases): Ditto.
        (build_constraint_graph): RHS is allowed be ANYTHING.
        (first_vi_for_offset): Return NULL if we couldn't find anything at
        the offset.

2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
        over memory as first operand.

2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/23360
        * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
        available for setting it.

2005-08-14  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/23320
        * tree-data-ref.c (base_addr_differ_p): Add comment. Check
        data-refs' types instead of base object nullness. Add check for
        pointer type data-refs before first location comparison. Remove
        assert.

2005-08-14  Andreas Schwab  <schwab@suse.de>

        * doc/md.texi (Machine Constraints): Fix misplaced @end table.

2005-08-13  James E Wilson  <wilson@specifix.com>

        * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
        * doc/invoke.texi (-Wstack-protector, -fstack-protector,
        -fstack-protector-all, --param ssp-buffer-size): Document.
        (-Wvariadic-macros): Alphabetize.
        (-fsched-stalled-insns-dep): Add missing 'f'.

        * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
        macros.

2005-08-13  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
        or indirect address operand.
        (EXTRA_ADDRESS_CONSTRAINT): New.
        * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".

2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>

        PR tree-optimization/22236
        * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
        successors and predecessors.
        * tree-chrec.c (chrec_convert): Before converting, check that
        sequences don't wrap.
        * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
        (analyze_array): Extern.
        (find_data_references_in_loop): Remove call to
        compute_estimated_nb_iterations.
        * tree-data-ref.h (analyze_array): Declared.
        * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
        single_ssa_def_operand, zero_ssa_operands): Fix documentation.
        * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
        * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
        condition.
        * tree-ssa-loop-ivcanon.c: Fix documentation.
        * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
        * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
        (infer_loop_bounds_from_undefined): New.
        (estimate_numbers_of_iterations_loop): Use
        infer_loop_bounds_from_undefined.
        (used_in_pointer_arithmetic_p): New.
        (scev_probably_wraps_p): Pass an extra parameter.  Call
        used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
        (convert_step): Fix documentation.
        * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
        Use initial_condition_in_loop_num and evolution_part_in_loop_num
        instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
        scev_probably_wraps_p.

2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
        (s390_register_info): Ignore clobbered_regs information for fixed
        registers, and only fixed registers.
        (s390_init_frame_layout): Remove redundant call.

2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
        description of -Wold-style-casts.

2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
            Jakub Jelinek  <jakub@redhat.com>

        * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
        * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
        * config/s390/s390.c (print_operand): New output modifier 'G' added.
        (get_thread_pointer): Renamed to s390_get_thread_pointer.
        * config/s390/s390.md (stack_protect_set, stack_protect_test): If
        TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
        (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
        (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
        ("stack_protect_set", "stack_protect_test"): New expanders.
        ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
        "stack_protect_testdi"): New insn definitions.

2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.

2005-08-12  Paul Brook  <paul@codesourcery.com>

        * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.

2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/predicates.md (setmem_operand): New predicate.
        (shift_count_operand): Accept ANDs with special constants as
        operand.
        * config/s390/s390.c (print_shift_count_operand): Skip ANDs
        with special constants.
        * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
        shift_count_operand with setmem_operand.

2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (s390_extract_part, s390_single_part):
        Type cast added.
        (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
        (s390_output_mi_thunk): Don't use lg on 31 bit.
        * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
        ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.

2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
        (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
        s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
        s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
        with one of the new macros.

2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
        Don't set save_return_addr_p.
        (s390_register_info): Make clobbered_regs not depending on
        save_return_addr_p.

2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>

        * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
        (LINK_COMMAND_SPEC): Add space after %(link_ssp).

2005-08-11  James E. Wilson  <wilson@specifix.com>

        * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.

2005-08-11  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (add_location_or_const_value_attribute): Prefer
        locations gathered by var-tracking in single entry loc_list
        over loc_descriptor_from_tree.

        * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
        pass it down to loc_descriptor.
        (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
        (containing_function_has_frame_base): Move earlier in the file.
        (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
        instead of always assuming fbreg can't be used.

2005-08-11  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/altivec.md: Change constraint "m" to "Z".
        * config/rs6000/predicates.md (indexed_or_indirect_operand):
        Accept address wrapped in AND for Altivec.
        * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
        Strip AND wrapping offset address for Altivec.

2005-08-11  Richard Henderson  <rth@redhat.com>

        PR middle-end/23312
        * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
        before using TYPE_IS_SIZETYPE.

2005-08-11  Richard Henderson  <rth@redhat.com>

        PR target/22225
        * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
        insn types not present on ev4.
        (alphaev5_insn_pipe): Similarly.

2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>

        PR target/23250
        * arm.c (arm_override_options): If the user has selected callee-super-
        interworking, then enable normal interworking.

2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
        redefinition.

2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>

        * doc/rtl.texi: Fix two typos.

2005-08-11  Richard Guenther  <rguenther@suse.de>

        PR target/23289
        * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
        cases where we call to/from functions returning void.

2005-08-10  James A. Morrison  <phython@gcc.gnu.org>

        PR c++/23225
        * tree.c (build_pointer_type_for_mode): Robustify.

2005-08-10  James E Wilson  <wilson@specifix.com>

        * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
        (ASM_OUTPUT_ADDR_VEC_ELT): Delete.

        * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
        "cum->".

2005-08-10  Eric Christopher  <echristo@apple.com>

        * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
        * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
        V2DFmode.

2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/21887
        * config/darwin.c (machopic_indirect_data_reference): Use a new register
        for the high part when generating dynamic-no-pic code.

2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>

        * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
        (x86_64-*-linux*): Likewise.

        * config/i386/crtfastmath.c: New file.
        * config/i386/t-crtfm: Likewise.

        * config/i386/linux.h (ENDFILE_SPEC): New.
        * config/i386/linux64.h (ENDFILE_SPEC): Likewise.

        * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
        crtfastmath.o.

2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>

        * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
        (vec_shl, vec_shr): Document new operations.
        * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.

2005-08-10  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/predicates.md (indexed_or_indirect_address): New.
        * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
        change predicate to indexed_or_indirect_address.

2005-08-10  Richard Sandiford  <richard@codesourcery.com>

        * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
        * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
        __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
        and __aeabi_uwrite8.
        * config/arm/unaligned-funcs.c: New file.
        * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.

2005-08-09  Paolo Bonzini  <bonzini@gnu.org>

        * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
        Add dump.
        * cfglayout.c (pass_insn_locators_initialize): Add dump.
        * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
        Add dump.
        * except.c (pass_convert_to_eh_region_ranges): Add dump.
        * final.c (pass_shorten_branches): Add dump.
        * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
        (pass_life): Rename dump.
        (rest_of_handle_flow2): Remove initial verify_flow_info.
        * function.c (pass_instantiate_virtual_regs): Add dump.
        * integrate.c (pass_initial_value_sets): Add dump.
        * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
        * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
        (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
        pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
        (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
        gate_rtl_unrool_and_peel_loops): New.
        (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
        rtl_doloop): Do not look at flags.
        * mode-switching.c (pass_mode_switching): Add dump.
        * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
        pass_split_before_regstack): Add dump.
        * regmove.c (pass_stack_adjustments): Add dump.
        * tree-optimize.c (pass_fixup_cfg): Add dump.

2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>

        PR 23309
        * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
        deciding which instruction sequence to use.

2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>

        * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
        BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.

2005-08-09  Richard Guenther  <rguenther@suse.de>

        * c-common.c (builtin_function_2): Remove.
        (def_builtin_1): New function.
        (c_common_nodes_and_builtins): Use def_builtin_1 to
        build builtin functions.

2005-08-09  Jie Zhang  <jie.zhang@analog.com>

        * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
        * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
        * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
        Visual DSP.

2005-08-09  James A. Morrison  <phython@gcc.gnu.org>

        * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
        fold_binary instead of fold_build2 since we don't care about the
        resulting tree.
        (loop_niter_by_eval): Likewise.
        (compare_trees): Likewise.
        (proved_non_wrapping_p): Likewise.

2005-08-09  James A. Morrison  <phython@gcc.gnu.org>

        PR c/23161
        PR c/23165
        * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
        if the if is really empty.

2005-08-09  Steven Bosscher  <stevenb@suse.de>

        PR tree-optimization/23234
        * tree-ssa-math-opts.c (place_reciprocal): New enum.
        (execute_cse_reciprocals_1): Replace the 'phi' argument with an
        argument of the new enum.
        (execute_cse_reciprocals): Add reciprocals for function arguments
        on the unique successor edge of the entry block.  Update other calls
        to execute_cse_reciprocals_1.

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

        PR 22439
        * gimplify.c (gimplify_one_sizepos): Preserve the original type.

2005-08-08  Bob Wilson  <bob.wilson@acm.org>

        * expr.c (write_complex_part): Return after handling MEM.

2005-08-08  Josh Conner  <jconner@apple.com>

        PR rtl-optimization/23241
        * combine.c (simplify_comparison): Fix error in determining
        whether to lift a subreg from comparison.

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

        PR target/18506
        * config/rs6000/altivec.md (vec_init<mode>): New.
        (vec_set<mode>): New.
        (vec_extract<mode>): New.
        * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
        (rs6000_expand_vector_set): New.
        (rs6000_expand_vector_extract): New.
        (rs6000_legitimate_offset_address_p): Offset addresses are valid
        for Altivec modes before reload.
        (altivec_expand_vec_init_builtin): New.
        (get_element_number): New.
        (altivec_expand_vec_set_builtin): New.
        (altivec_expand_vec_ext_builtin): New.
        (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
        builtins.
        (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
        builtins.
        * config/rs6000/rs6000.h (rs6000_builtins): Add
        ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
        ALTIVEC_BUILTIN_VEC_EXT_<mode>.
        * config/rs6000/rs6000-protos.h: Declare new functions.

2005-08-08  Jan Hubicka  <jh@suse.cz>

        * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
        (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
        * i386.md (movdi*): Use pic_32bit_operand.
        * predicates.md (pic_32bit_operand): New.

2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>

        PR c++/21166
        * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.

2005-08-07  James A. Morrison  <phython@gcc.gnu.org>

        * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
        (test_for_singularity): Use fold_build2.

2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.

2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
        (COMMON_ASM_OP) Define.
        * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
        (ix86_encode_section_info): Likewise.
        (TARGET_ENCODE_SECTION_INFO): Conditionally define as
        SUBTARGET_ENCODE_SECTION_INFO.

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

        PR 21894
        * tree-nested.c (convert_local_reference): Save and restore val_only
        around component_ref and friends.  Clear walk_subtrees by default.

2005-08-06  Peter O'Gorman  <peter@pogma.com>

        PR 21366
        * gcc.c (process_command): Check the argument to -b has a dash.
        * doc/invoke.texi: Update -b and -V docs.

2005-08-06  James E Wilson  <wilson@specifix.com>

        * config/mips/cross64.h, config/mips/t-cross64: Delete.

2005-08-06  Michael Matz  <matz@suse.de>

        * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
        member only if only one insn is associated with the value.

2005-08-06  Nick Clifton  <nickc@redhat.com>

        * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
        New define.
        (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
        * config/stormy16/stormy16.c (xstormy16_below100_symbol):
        Check symbol flags instead of symbol name mangling.
        (xstormy16_asm_output_aligned_common): Likewise.  Also
        simplify code since the bss100_section cass is the only case
        where the below100 code will be triggered.
        (xstormy16_encode_section_info): Encode below100 attribute
        using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
        the name.
        (xstormy16_strip_name_encoding): Delete - this function is no
        longer needed.
        (TARGET_STRIP_NAME_ENCODING): Undefine.
        * config/stormy16/stormy16-protos.h: Delete prototype for
        xstormy16_strip_name_encoding.

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

        * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
        config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
        tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
        config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
        config/alpha/predicates.md, config/arc/arc.h,
        config/arm/arm.h, config/arm/ieee754-df.S,
        config/arm/ieee754-sf.S, config/bfin/bfin.c,
        config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
        config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
        config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
        config/m68hc11/m68hc11.h, config/mips/mips.c,
        config/mips/mips.h, config/mips/openbsd.h,
        config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
        config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
        config/rs6000/rs6000.c, config/rs6000/rs6000.h,
        config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
        config/sparc/linux.h, config/sparc/linux64.h,
        config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
        doc/extend.texi, doc/gcov.texi, doc/install.texi,
        doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
        typos.  Follow spelling conventions.

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

        PR c/23113
        * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
        Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
        specially.  Check for side effects only for COND_EXPR.
        * c-typeck.c (c_finish_stmt_expr): Mark statement expression
        return with TREE_NO_WARNING.

2005-08-06  Richard Sandiford  <richard@codesourcery.com>

        PR rtl-optimization/23233
        * loop.c (combine_movables): Require the modes to be the same.
        (move_movables): Remove handling of cases where the replacement
        had a different mode to the original.

2005-08-05  James A. Morrison  <phython@gcc.gnu.org>

        PR tree-optimization/23128
        * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
        subtraction wrap, and set TREE_OVERFLOW if they do.

2005-08-05  Richard Henderson  <rth@redhat.com>

        PR 21728
        * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
        FORCED_LABEL labels.

2005-08-05  J"orn Rennecke <joern.rennecke@st.com>

        PR middle-end/23135
        * reload.c (find_reloads_subreg_address): Pass down TYPE
        unchanged.  Change all callers except find_reloads_toplev.

2005-08-05  Michael Matz  <matz@suse.de>

        * genattrtab.c (current_alternative_string): Remove.
        (SIMPLIFY_ALTERNATIVE): Ditto.
        (attr_alt_bit_p): Ditto.
        (alternative_name): Make const char *.
        (evaluate_eq_attr): Remove use of above things.
        (simplify_test_exp): Ditto.
        (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
        (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').

2005-08-04  James E Wilson  <wilson@specifix.com>

        * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
        config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
        config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
        config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
        (LINK_SPEC): Delete useless %{Wl,*:%*} item.

2005-08-04  Richard Henderson  <rth@redhat.com>

        PR 21529
        * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
        * params.h (SRA_MAX_STRUCTURE_COUNT): New.
        * tree-sra.c (decide_block_copy): Use it.  Disable element copy
        if we'd have to instantiate too many members.

2005-08-04  Richard Henderson  <rth@redhat.com>

        PR 21291
        * tree-outof-ssa.c (coalesce_asm_operands): New.
        (coalesce_ssa_name): Use it.  Split out ...
        (coalesce_phi_operands, coalesce_result_decls): ... these.

2005-08-04  Paul Brook  <paul@codesourcery.com>

        * read-rtl.c (read_quoted_string): Break if EOF.

2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree.h (fold_build1): Change to macro and call fold_build1_stat.
        (fold_build2): Likewise.
        (fold_build3): Likewise.
        (fold_build1_stat): New function prototype.
        (fold_build2_stat): Likewise.
        (fold_build3_stat): Likewise.
        * fold-const.c (fold_build1): Rename to ..
        (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
        through to build1_stat.
        (fold_build2): Rename to ..
        (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
        through to build2_stat.
        (fold_build3): Rename to ..
        (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
        through to build3_stat.

2005-08-04  David Edelsohn  <edelsohn@gnu.org>
            Ian Lance Taylor  <ian@airs.com>

        * function.c (assign_stack_local_1): Do not correct stack slot
        address if allocation size is smaller than mode size.

2005-08-04  Diego Novillo  <dnovillo@redhat.com>

        PR 22037
        * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
        (tree_merge_blocks): Propagate anything allowed by
        may_propagate_copy.
        Clarify documentation.
        * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
        SSA form, schedule an update if necessary.

2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (Binaries): Remove broken link to
        Sinix/Reliant Unix binaries.

2005-08-03  Richard Henderson  <rth@redhat.com>

        PR 23221
        * function.c (stack_protect_epilogue): Export.
        * tree.h (stack_protect_epilogue): Declare.
        * calls.c (expand_call): Call it.

2005-08-03  Eric Christopher  <echristo@apple.com>

        * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
        * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
        spec.

2005-08-04  Jan Hubicka  <jh@suse.cz>

        * profile.c (branch_prob): Split edges with goto locus on them
        to get proper line counts.
        * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.

2005-08-03  Paul Brook  <paul@codesourcery.com>

        * function.c (assign_parms): Round current_function_args_size
        to PARM_BOUNDARY, not STACK_BOUNDARY.

2005-08-03  Geoffrey Keating  <geoffk@apple.com>

        * config/i386/i386.c (x86_elf_aligned_common)
        (x86_output_aligned_bss): Don't try to use symbols that aren't defined.

2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/23157
        * tree-scalar-evolution.c (scev_const_prop): Unshare trees
        before emitting them.

2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        PR tree-optimization/19899
        * Makefile.in (tree-scalar-evolution.o): Add real.h.
        * tree-scalar-evolution.c: Include real.h.
        (add_to_evolution): Build constant -1 of correct type.

2005-08-03  Jan Hubicka  <jh@suse.cz>

        * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
        * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
        profile updating for complette unrolling.
        * loop-unroll.c (peel_loop_completely): Use it.
        * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
        (tree_unroll_loops_completely): Disable code growing unrolling of cold
        loops.

2005-08-03  Paul Brook  <paul@codesourcery.com>

        * combine.c (can_change_dest_mode): New function.
        (try_combine, simplify_set): Use it.

2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>

        * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
        TFmode to BLKmode.

2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (Specific): Adjust link to openavr.org.
        (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
        (Binaries): Adjust HP-UX Porting Center link.
        (Binaries): Adjust Free Software Foundation ordering link.

2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>

        * convert.c (convert_to_integer): Use fold_build1 instead of
        build1 when converting an integer to an integer.

2005-08-02  Richard Henderson  <rth@redhat.com>

        * combine.c (combine_instructions): Don't use reg_equal/equiv
        results if the mode doesn't match.

2005-08-02  Mark Mitchell  <mark@codesourcery.com>

        * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
        * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.

2005-08-02  Richard Henderson  <rth@redhat.com>

        PR 23196
        * explow.c (memory_address): Remove special-case for
        virtual_stack_vars_rtx and virtual_incoming_args_rtx.

2005-08-02  Diego Novillo  <dnovillo@redhat.com>

        PR 23164
        * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
        number of calls to cleanup_tree_cfg_1.

2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>

        * doc/invoke.texi: document file extensions .F90 and .F95

2005-08-02  Richard Guenther  <rguenther@suse.de>

        * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
        positive if its first argument is positive.

2005-08-02  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/23177
        * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
        on TMR_TAG.

2005-08-02  James A. Morrison  <phython@gcc.gnu.org>

        PR tree-optimization/23129
        * tree-vrp.c (extract_range_from_binary_expr): Set value range to
        varying for divisions with anti-ranges.

2005-08-02  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-dom.c (thread_across_edge): Remove updating here.
        * tree-ssa-threadupdate.c (thread_block): Add it here.

2005-08-01  James E Wilson  <wilson@specifix.com>

        * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
        TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
        * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
        New.
        * config/mips/predicates.md (const_call_insn_operand): Add check for
        SYMBOL_REF_LONG_CALL_P.
        * doc/extend.texi (long_call): Document the new attribute.

2005-08-01  Ian Lance Taylor  <ian@airs.com>
            Richard Henderson  <rth@redhat.com>

        * Makefile.in (RTL_BASE_H): Add real.h.
        * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
        instead of memcpy.
        * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
        directly.
        * rtl.c (rtl_check_failed_code_mode): New.
        * rtl.h (struct rtx_def): Add u.rv.
        (XCMWINT, XCNMPRV): New.
        (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
        (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.

2005-08-01  Richard Henderson  <rth@redhat.com>

        * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
        with auto-inc codes.

        * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.

2005-08-01  Jan Hubicka  <jh@suse.cz>

        * i386-protos.h (asm_preferred_eh_data_format): Declare.
        * i386.c: Include dwarf2.h
        (asm_preferred_eh_data_format): New.
        * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.

2005-08-01  Ian Lance Taylor  <ian@airs.com>

        * config/host-linux.c (linux_gt_pch_get_address): Add new name
        randomize_va_space for virtual address randomization control.

2005-08-01  Steven Bosscher  <stevenb@suse.de>

        * common.opt (flag_ipa_cp): Put in right place to maintain
        alphabetic sort.

2005-08-01  Jan Hubicka  <jh@suse.cz>

        * profile.c (compute_value_histograms): Fix thinko.
        * value-prof.c: Include toplev.h
        (check_counter): New function.
        (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
        tree_mod_subtract_transform): Add sanity check.

2005-08-01  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/23133
        * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
        current functions parameter decls to find defs to cse
        reciprocals of.

2005-08-01  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/23109
        * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
        If trapping math is in effect, use post-dominator information
        to check if we'd in any case reach a trapping point before
        doing the reciprocal insertion.
        (execute_cse_reciprocals): Compute post-dominators, if necessary.
        * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
        expressions are invariant only if trapping math is not in effect.

2005-08-01  Razya Ladelsky  <razya@il.ibm.com>

        * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
        cgraph_function_versioning): New declarations.
        * cgraphunit.c: Add include to ipa-prop.h.
        (update_call_expr, cgraph_copy_node_for_versioning,
        cgraph_function_versioning): New functions.
        * integrate.c (copy_decl_for_inlining): Remove.
        * ipa-prop.h (ipa_replace_map): New struct.
        (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
        * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
        ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
        ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
        ipcp_iterate_stage, ipcp_method_scale_print,
        ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
        ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
        ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
        ipcp_update_bb_counts, ipcp_update_profiling,
        ipcp_update_edges_counts): New functions.
        (ipcp_method_cval_init): Remove restriction regarding local methods.
        (ipcp_init_stage): Add ipcp_method_compute_scale.
        (ipcp_insert_stage): Add versioning.
        (ipcp_structures_print): Add ipcp_method_scale_print.
        (ipcp_driver): Dump profiling info.
        * Makefile.in: Remove integrate.h dependency from tree-inline.o.
        Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
        * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
        (struct inline_data): Add versioning_p, ipa_info, new fields.
        (remap_decl, mark_local_for_remap_r, setup_one_parameter,
        declare_return_variable): Replace calls to copy_decl_for_inlining with
        copy_decl_for_dup.
        (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
        versioning support.
        (copy_decl_for_dup): Rename from copy_decl_for_inlining.
        Add argument VERSIONING.
        (copy_arguments_for_versioning, copy_static_chain,
        function_versionable_p, tree_versionable_function_p,
        tree_function_versioning, replace_ref_tree): New functions.
        * tree-inline.h: Include varray.h.
        (tree_versionable_function_p,  tree_function_versioning,
        tree copy_decl_for_dup): New declarations.

2005-08-01  Razya Ladelsky  <razya@il.ibm.com>

        * ipa-cp.c: New file. Contains IPCP specific functionality.
        * ipa-prop.h: New file. Contains structures/definitions that can be
        used by several interprocedural data flow optimizations (and also IPCP).
        * ipa-prop.c: New file.
        * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
        * common.opt: Add ipa-cp flag.
        * timevar.def: Add IPCP optimization.
        * tree-optimize.c (init_tree_optimization_passes): Schedule
        pass_ipa_cp.
        * tree-pass.h (pass_ipa_cp): Declare.

2005-08-01  Kazu Hirata  <kazu@codesourcery.com>

        * dwarf2out.c, fold-const.c, ipa-type-escape.c,
        loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
        tree-sra.c, config/arm/arm.c, config/crx/crx.c,
        config/i386/i386.c, config/mips/mips.h,
        config/rs6000/rs6000.h, config/sh/sh.c,
        config/stormy16/stormy16.c: Fix comment typos.

2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/22311
        * c-typeck.c (build_binary_op): Use common_type wrapper on
        shortened types.
        (common_type): Update comment.

2005-07-31  Steven Bosscher  <stevenb@suse.de>

        PR target/23095
        * common.opt (flag_gcse_after_reload): Don't initialize to 2.
        (flag_rerun_cse_after_loop): Initialize this to 2 instead.
        * postreload-gcse.c (hash_scan_set): Do not consider stack regs.

2005-07-31  Jan Hubicka  <jh@suse.cz>

        * pretty-print.h (pp_widest_integer): New macro.
        * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
        counts.

2005-07-31  Jan Hubicka  <jh@suse.cz>

        * output.h (enum section_category): Export from varasm.c
        (categorize_decl_for_section): Likewise.
        * varasm.c (enum section_category): Kill.
        (categorize_decl_for_section): Make global.
        * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
        Declare.
        * i386.c (ix86_section_threshold): New static variable.
        (ix86_in_large_data_p, ix86_encode_section_info,
        x86_64_elf_unique_section,
        x86_64_elf_select_section): New functions.
        (TARGET_ENCODE_SECTION_INFO): Define
        (override_options): Enable medium model for PIC.
        (ix86_expand_prologue): Expand gen_set_got_rex64.
        (legitimate_constant_p): Handle new UNSPECs.
        (legitimate_pic_address_disp_p): Likewise.
        (legitimize_pic_address): Lower MEDIUM model addressing.
        * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
        (enum cmodel): Add MEDIUM_PIC.
        (SYMBOL_REF_FAR_ADDR_P): New macro.
        (SYMBOL_FLAG_FAR_ADDR): New flag.
        * i386.md (movdi): Support medium model.
        (set_got_rex64): New pattern.
        * i386.opt (mlarge-data-threshold): New flag.
        * predicates.md (zext_operand/sext_operand): Deal with medium model.
        * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
        (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
        TARGET_ASM_UNIQUE_SECTION): New.

        * invoke.texi (-mlarge_data_threshold): Document

2005-07-31  Jan Hubicka  <jh@suse.cz>

        * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
        (coalesce_vars): Likewise.
        * tree-ssa-live.c (coalesce_cost): New.
        (build_tree_conflict_graph): Use coalesce_cost.
        * tree-ssa-live.h (coalesce_cost): Declare.

2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>

        * arm.md (all peepholes for post-increment operations): Delete.
        (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
        (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
        (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
        (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
        (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.

2005-07-30  James A. Morrison  <phython@gcc.gnu.org>

        * fold-const.c (tree_expr_nonnegative_p): Always return true for
        non-integral types.

2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>

        PR target/22582
        * doc/invoke.texi: Document -rdynamic.

2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/23143
        * c-parser.c (c_parser_parms_list_declarator): Call
        mark_forward_parm_decls.
        * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
        decls with visibility structure.

2005-07-30  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.

2005-07-30  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
        prototype.
        * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
        value for mode.
        * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.

2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/529
        * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
        nested function declarators.
        (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
        (grokparms): Call warn_if_shadowing for parameters used within the
        parameter list.
        (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
        not used within the parameter list.
        (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.

2005-07-30  Jan Hubicka  <jh@suse.cz>

        * expr.c (expand_expr_real_1): Do not load mem targets into register.
        * i386.c (ix86_fixup_binary_operands): Likewise.
        (ix86_expand_unary_operator): Likewise.
        (ix86_expand_fp_absneg_operator): Likewise.
        * optabs.c (expand_vec_cond_expr): Validate dest.

2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/21720
        * real.c (real_from_string): Also set last bit if there is a
        nonzero hex digit beyond GCC's internal precision after ".".

2005-07-29  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/altivec.md: Convert UNSPEC numerical values to
        define_constants.  Change duplicate values to unassigned numbers.
        Change UNSPEC_SUBS to UNSPEC_VSUBS.
        (*altivec_vspltsf): New.
        (altivec_vperm_v4sf): Delete.
        (altivec_vperm_<mode>): Use mode macro V.
        (altivec_vsldoi_<mode>): Convert to mode macro pattern.
        (altivec_predicate_v4sf): Delete.
        (altivec_predicate_<mode>): Use mode macro V.
        (*altivec_lvesfx): New.
        (*altivec_stvesfx): New.
        (vec_realign_load_v4sf): Delete.
        (vec_realign_load_<mode>): Use mode macro V.
        * config/rs6000/rs6000.c (generate_set_vrsave): Use
        UNSPECV_SET_VRSAVE.

2005-07-29  Mark Mitchell  <mark@codesourcery.com>

        PR bootstrap/23131
        * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
        string.
        * configure: Regenerated.

2005-07-29  Paul Brook  <paul@codesourcery.com>

        * doc/install.texi: Add link to GFortran binaries wiki page.

2005-07-29  David Ung  <davidu@mips.com>

        * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
        (mips_rtx_cost_data): Add costs for 5kc and 5kf.
        * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
        * config/mips/mips.md (cpu): Add 5kf name.
        (includes): Includes 5k.md.
        * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
        * doc/invoke.texi (MIPS Options): Updated cpu name supported with
        -march flag.

2005-07-29  Diego Novillo  <dnovillo@redhat.com>

        PR 22550
        * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
        (cleanup_tree_cfg): ... here.
        Call cleanup_tree_cfg_1 until there are no more cleanups to
        do.

2005-07-29  James A. Morrison  <phython@gcc.gnu.org>

        * tree-vrp.c (compare_range_with_value): Return true or false
        for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
        EQ_EXPR respectively.

2005-07-29  Kazu Hirata  <kazu@codesourcery.com>

        * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
        Fix comment typos.

2005-07-29  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
        (tree_ssa_dominator_optimize): Increment it.
        (dump_dominator_optimization_stats): Print it.

2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
            Steven Bosscher  <stevenb@suse.de>

        PR rtl-optimization/23117
        * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
        when head == tail.  Tidy comment.

2005-07-28  Richard Henderson  <rth@redhat.com>

        * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
        * cselib.c (rtx_equal_for_cselib_p): Likewise.
        * jump.c (rtx_renumbered_equal_p): Likewise.
        * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
        CONST_INT and CONST_DOUBLE.
        (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
        * reload.c (operands_match_p): Special case CONST_INT and
        CONST_DOUBLE; check mode earlier.

2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/22240
        * c-typeck.c (convert_for_assignment): Do not check
        DECL_IN_SYSTEM_HEADER on NULL fundecl.

2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/22192
        * c-typeck.c (composite_type): Prefer constant size arrays to
        VLAs.

2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/21720
        * real.c (real_from_string): Set last bit if there is a nonzero
        hex digit beyond GCC's internal precision.

2005-07-28  Richard Henderson  <rth@redhat.com>

        PR rtl-opt/22619
        * cfgcleanup.c (try_forward_edges): Watch out for end of
        insn chain.

2005-07-28  James E Wilson  <wilson@specifixinc.com>

        PR c/23106
        * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.

2005-07-28  Jan Hubicka  <jh@suse.cz>

        * Makefile.in (rtl-profile.o): Kill all traces of it.
        * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
        * coverage.h (rtl_coverage_counter_ref): Kill.
        * opts.c (flag_speculative_prefetching_set): Kill.
        (flag_loop_optimize_set): New.
        (common_handle_option): Disable loop optimizer when profiling;
        do not handle speculative prefetching.
        * passes.c (init_optimization_passes): Replace pass_profiling combo
        by branch_prob pass.
        * profile.c (compute_value_histograms): Update for simplified value
        profiles.
        (rtl_register_profile_hooks): Kill.
        (pass_profiling): Kill.
        (rest_of_handle_branch_prob): Do not profile.
        * toplev.c (process_options): Remove speculative prefetching.
        * toplev.h (flag_tree_based_profiling): Kill.
        * tree-profile.c (prepare_instrumented_value,
        tree_gen_interval_profiler, tree_gen_pow2_profiler,
        tree_gen_one_value_profiler, do_tree_profiling): Update for
        simplified datastructures.
        * value-prof.c: Add comment that speculative prefetching was dropped;
        update rest of file for simplified datastructures.
        (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
        rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
        find_mem_reference_1, find_mem_reference_2, find_mem_reference,
        rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
        rtl_mod_subtract, gen_speculative_prefetch,
        rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
        rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
        (gate_handle_value_profile_transformations,
        rest_of_handle_value_profile_transformations,
        pass_value_profile_transformations): Kill.
        * value-prof.h (histogram_value_t): Remove IL based unions.
        (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
        rtl_profile_hooks): Remove hooks.

        * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.

        * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
        (cgraph_clone_node): Likewise.
        * cgraph.h (cgraph_clone_edge): Update prototype.
        (cgraph_clone_node): Likewise.
        * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
        cgraph_clone_node.
        (lookup_recursive_calls): Consider profile.
        (cgraph_decide_recursive_inlining): Fix updating; use new
        probability argument; use profile.
        * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
        * tree-inline.c (copy_bb): Update clal of clone_edge.
        * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.

        * invoke.texi (min-inline-recursive-probability): Document.

2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (Configuration): Update Valgrind homepage.

2005-07-28  Richard Henderson  <rth@redhat.com>

        PR middle-end/21362
        * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
        labels we want to delete.
        (cfg_layout_merge_blocks): Likewise.

2005-07-28  Richard Henderson  <rth@redhat.com>

        PR target/17692
        * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
        when expanding to nothing.

2005-07-28  Josh Conner  <jconner@apple.com>

        * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
        (cgraph_decide_inlining_of_small_functions): Likewise.

2005-07-28  Josh Conner  <jconner@apple.com>

        * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
        direction of badness if negative.
        (cgraph_default_inline_p): Add reason to parameters, and assign it
        a value.
        (cgraph_decide_inlining_of_small_functions): New parameter in call
        to cgraph_default_inline_p.
        (cgraph_decide_inlining_incrementally): Likewise.
        * cgraphunit.c (decide_is_function_needed): Likewise.
        * cgraph.h (cgraph_default_inline_p): Likewise.

2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * builtins.c: Fix comment typo(s).
        * genautomata.c: Likewise.
        * gimplify.c: Likewise.
        * tree-dfa.c: Likewise.
        * tree-flow-inline.h: Likewise.
        * tree-into-ssa.c: Likewise.
        * tree-ssa-alias.c: Likewise.
        * tree-ssa-ccp.c: Likewise.
        * tree-ssa-copy.c: Likewise.
        * tree-ssa-dce.c: Likewise.
        * tree-ssa-dom.c: Likewise.
        * tree-ssa-operands.c: Likewise.
        * tree-tailcall.c: Likewise.
        * tree-vectorizer.c: Likewise.
        * tree-vrp.c: Likewise.
        * tree.c: Likewise.

2005-07-28  Jeff Law  <law@redhat.com>

        * tree-vrp.c (test_for_singularity): Extracted from  ...
        (simplify_cond_using_ranges): Attempt to simplify a relational
        test to NE_EXPR.  Dump information when a COND_EXPR is simplified.

2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>

        PR tree-optimization/22506
        * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
        phis whose argument is constant.

2005-07-28  J"orn Rennecke <joern.rennecke@st.com>

        PR rtl-optimization/18992
        Back out this patch:
          2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
          PR optimization/12142
          * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
          uses of the register in the SET_SRC.  Remove unnecessary argument.

        Replace it with this:
        * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
        if flag_non_call_exceptions is set and the insn may trap, pass
        pc_rtx as dest for recursion.
        In SET_SRC part of SET case, if dest is already set, pass it down
        unchanged.

2005-07-28  Jan Hubicka  <jh@suse.cz>

        * cfg.c (update_bb_profile_for_threading): Use RDIV.
        (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
        (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
        roundoff errors.
        * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
        profile when available.

2005-07-28  Jan Beulich <jbeulich@novell.com>

        * config/ia64/ia64.c (ia64_load_pair_ok): New.
        (ia64_print_operand): Describe and handle 'X'.
        (ia64_register_move_cost): Also handle FP_REGS.
        (ia64_preferred_reload_class): Likewise.
        (ia64_secondary_reload_class): Likewise.
        (ia64_dependencies_evaluation_hook): New local variable c. Initialize
        it. Also check for ITANIUM_CLASS_FLDP.
        * config/ia64/ia64.h (FP_REGNO_P): New.
        (HARD_REGNO_MODE_OK): Remove explusion of TImode.
        (reg_class): Add FP_REGS.
        (REG_CLASS_NAMES): Adjust for it.
        (REG_CLASS_CONTENTS): Likewise.
        (REGNO_REG_CLASS): Use FP_REGS where appropriate.
        (REG_CLASS_FROM_LETTER): Handle 'x'.
        (CLASS_MAX_NREGS): Handle FP_REGS.
        (MEMORY_MOVE_COST): Likewise.
        * config/ia64/ia64.md (itanium_class): Add fldp.
        (type): Handle fldp.
        (movti_internal): More allowable operand combinations. Use ldfp8 when
        splitting unnecessary. Remove predicable attribute. Adjust
        itanium_class attribute.
        (smuldi3_highpart): Remove outdated comment.
        (mulditi3, umulditi3, rotlti3): New expanders.
        (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
        (absti2): Disabled new insn for future reference.
        Respective new splitters.
        * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
        * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
        * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.

2005-07-25  James A. Morrison  <phython@gcc.gnu.org>

        PR rtl-optimization/23047
        * simplify-rtx.c (simplify_const_relational_operation): Respect
        flag_wrapv for comparisons with ABS.

2005-07-27  James A. Morrison  <phython@gcc.gnu.org>

        PR tree-optimization/22493
        * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
        VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.

2005-07-27  Aldy Hernandez  <aldyh@redhat.com>

        * config/frv/frv.opt (moptimize-membar): New.

        * doc/invoke.texi: Document -moptimize-membar and its inverse.

        * config/frv/frv.h: Remove machine_function definition.

        * config/frv/frv.c (struct frv_io): New.
        (struct machine_function): Moved from frv.h.  Add has_membar_p.
        (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
        (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
        (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
        (frv_optimize_membar_global, frv_optimize_membar): New functions.
        (frv_reorg): Call frv_optimize_membar when appropriate.
        (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
        (frv_expand_builtin): Adjust calls accordingly.
        (frv_io_address_cookie): New function.
        (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
        load or store rather than a special insn.  Add ccnstant address and
        io-type operands to the membar.
        (frv_ifcvt_modify_tests): Unsign regno.
        (frv_ifcvt_modify_tests): Same.

        * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
        UNSPEC_OPTIONAL_MEMBAR constant.
        (builtin_read_<mode>): Delete.
        (builtin_write_<mode>): Delete.
        ("optional_membar_<mode>"): Add operand.

        * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
        * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
        * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
        * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
        * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
        * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
        * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
        * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
        * testsuite/gcc.target/frv/all-read-write-1.c: New.

2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>

        * df.c (df_uses_record): Handle SCRATCH.

2005-07-28  Steven Bosscher  <stevenb@suse.de>

        PR debug/20161
        * passes.c (rest_of_decl_compilation): If decl is a type and
        we have encountered errors, don't emit debug information.

2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>

        * params.def: Fixed comment.

2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>

        PR target/19885
        * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
        (TARGET_ASM_UNALIGNED_HI_OP): Add.
        (TARGET_ASM_UNALIGNED_SI_OP): Add.

2005-07-27  Steven Bosscher  <stevenb@suse.de>

        PR c++/22003
        * varasm.c (assemble_start_function): Don't do anything that may
        require a CFG if the current function is a thunk.

2005-07-25  Geoffrey Keating  <geoffk@apple.com>

        * doc/install.texi (Prerequisites): Mention that perl is needed
        to do export control in libstdc++ targetting Darwin.

2005-07-27  Steven Bosscher  <stevenb@suse.de>

        PR rtl-optimization/17808
        * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
        (sched_insns_conditions_mutex_p): Split out from...
        (add_dependence): ...here.  But don't call it from here.
        (add_dependence_list): Check sched_insns_conditions_mutex_p
        before calling add_dependence.
        (add_dependence_list_and_free): Likewise.
        (fixup_sched_groups): Likewise.
        (sched_analyze_1): Likewise.
        (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
        (sched_analyze): Likewise.
        (sched_analyze_insn): Likewise.
        * sched-ebb.c (add_deps_for_risky_insns): Likewise.
        * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
        dependencies on all COND_EXEC insns to jumps ending basic blocks
        when doing intrablock scheduling.
        * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.

2005-07-27  Jeff Law  <law@redhat.com>

        * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
        meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
        equivalency sets, correctly handle the case were vr0 has an
        equivalency set, but vr1 does not.

2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>

        PR tree-optimization/23073
        * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
        vect_print_dump_info before fprintf.

2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimize/22348
        * tree-ssa-loop-niter.c (number_of_iterations_cond):
        Fold the partial computation.

2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/22325
        * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
        Declare.
        * tree-scalar-evolution.c (scev_const_prop): Add generic final
        value replacement.
        * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
        (force_var_cost): ... this function.
        (compute_phi_arg_on_exit): Export.

2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/20773
        * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
        edge.

2005-07-27  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (push_fields_onto_fieldstack):
        Avoid pushing again if current struct contains only
        fields we decomposed.

2005-07-27  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/22574
        * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
        not available.

        * tree-tailcall.c (decrease_profile): New function.
        (eliminate_tail_call): Use it.

        * cgraphunit.c (cgraph_function_and_variable_visibility): Set
        visibility flags correctly in whole program mode.

2005-07-26  Steve Ellcey  <sje@cup.hp.com>

        PR rtl-optimization/22472
        * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.

2005-07-26  Steven Bosscher  <stevenb@suse.de>

        PR tree-optimization/22504
        * tree-complex.c (expand_complex_addition): Use 'code' instead
        of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).

2005-07-26  Aldy Hernandez  <aldyh@redhat.com>

        * config.gcc (cpu_type): Add frv case.
        (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
        (supported_defaults): Add fr550 case.

2005-07-26  Diego Novillo  <dnovillo@redhat.com>

        PR 22591
        * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
        whether a pointer of type T * may point to objects of type T *.

2005-07-26  DJ Delorie  <dj@redhat.com>

        * configure: Regenerate.

2005-07-26  Dale Johannesen  <dalej@apple.com>

        * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.

2005-07-26  Mark Mitchell  <mark@codesourcery.com>

        * doc/install.texi (--with-build-sysroot): Fix grammatical error.
        Clarify use of "build" in name.

2005-07-26  Aldy Hernandez  <aldyh@redhat.com>

        * doc/extend.texi (Raw read/write Functions): New section.
        * testsuite/gcc.target/frv/all-builtin-read8.c: New.
        * testsuite/gcc.target/frv/all-builtin-read16.c: New.
        * testsuite/gcc.target/frv/all-builtin-read32.c: New.
        * testsuite/gcc.target/frv/all-builtin-read64.c: New.
        * testsuite/gcc.target/frv/all-builtin-write8.c: New.
        * testsuite/gcc.target/frv/all-builtin-write16.c: New.
        * testsuite/gcc.target/frv/all-builtin-write32.c: New.
        * testsuite/gcc.target/frv/all-builtin-write64.c: New.
        * config/frv/frv.c: Add bdesc_loads global.
        Add bdesc_stores global.
        (frv_init_builtins): Add support for __builtin_{read/write}*.
        (frv_volatile_memref): New.
        (frv_expand_load_builtin): New.
        (frv_expand_store_builtin): New.
        * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
        FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
        FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
        FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
        * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
        UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
        (builtin_read_<mode>): New.
        (builtin_write_<mode>): New.
        (builtin_write64): New.
        (optional_membar_<mode>): New.

2005-07-26  J"orn Rennecke <joern.rennecke@st.com>

        * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
        (rather than units) against HOST_BITS_PER_WIDE_INT.

2005-07-26  Kazu Hirata  <kazu@codesourcery.com>

        * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
        ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
        ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
        config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
        FSF address.

        * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
        tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
        config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
        comment typos.
        * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.

2005-07-26  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/22486
        * fold-const.c (fold_unary): Fold away useless component
        references of the form (T *)&T.x, if the address
        doesn't change.

2005-07-25  James E Wilson  <wilson@specifixinc.com>

        * dwarf2out.c (add_call_src_coords_attributes): New.
        (gen_inlined_subroutine_die): Call it.
        (maybe_emit_file, init_file_table): Add comments.
        (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
        maybe_emit_file.
        * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
        (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
        * tree.h (BLOCK_SOURCE_LOCATION): New.
        (struct tree_block): New field locus.

2005-07-26  Andreas Schwab  <schwab@suse.de>

        PR rtl-optimization/23043
        * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
        when allocating a struct unoccr.

2005-07-25  Richard Henderson  <rth@redhat.com>

        PR 22626
        * tree-complex.c (gate_no_optimization): True if errors.
        * Makefile.in (tree-complex.o): Update dependencies.

2005-07-25  Aldy Hernandez  <aldyh@redhat.com>

        * config/frv/predicates.md (integer_register_operand): Use
        GPR_AP_OR_PSEUDO_P.

2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/22484
        * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
        after fold.
        * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.

2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
        types when flag_unsafe_math_optimizations is true.

2005-07-25  Mark Mitchell  <mark@codesourcery.com>

        * gcc.c (option_map): Add --sysroot.
        (process_command): Handle --sysroot.
        (display_help): Document it.
        * doc/cppopts.tex (-isysroot): Document.
        * doc/invoke.texi (--sysroot): Document.
        * doc/install.texi (--with-build-sysroot): Document.

        * Makefile.in (inhibit_libc): New variable.
        (INHIBIT_LIBC_CFLAGS): Likewise.
        (LIBGCC2_CFLAGS): Include
        $(INHIBIT_LIBC_CFLAGS).
        (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
        ($(T)crtbegin.o): Do not use @inhibit_libc@.
        ($(T)crtend.o): Likewise.
        ($(T)crtbeginS.o): Do not use @inhibit_libc@.
        ($(T)crtendS.o): Likewise.
        ($(T)crtbeginT.o): Do not use @inhibit_libc@.
        ($(T)crtendT.o): Likewise.
        (stmp-fixinc): Do not complain about missing headers if
        inhibit_libc.
        * configure.ac (inhibit_libc): Set it to true/false.
        (--with-build-sysroot): New option.  Use it to set
        SYSTEM_HEADER_DIR.
        * configure: Regenerated.

2005-07-25  Manfred Hollstein  <mh@suse.com>

        * calls.c (store_one_arg): Fix unsigned comparison warning.

2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>

        PR other/22337
        * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
        (ggc_print_statistics): Initialize variable before use.

2005-07-25  Richard Guenther  <rguenther@suse.de>

        * tree-dfa.c (mark_new_vars_to_rename): Protect against
        calling with a PHI_NODE argument.

        * tree-flow-inline.h (overlap_subvar): Protect against
        possible overflow.

2005-07-25  Paolo Bonzini  <bonzini@gnu.org>

        * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
        * configure: Regenerate.

2005-07-25  Ira Rosen  <irar@il.ibm.com>

        * expr.c (highest_pow2_factor): Make extern.
        * tree-data-ref.c (ptr_decl_may_alias_p): New function.
        (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
        record_array_differ_p, array_ptr_differ_p): Likewise.
        (base_object_differ_p): Rename (from array_base_name_differ_p). Support
        additional cases. Call the above functions.
        (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
        base_object_differ_p when there are two base objects. Otherwise, compare
        base address and offset. Call may_alias_p.
        (dump_data_reference): Use a correct field name.
        (analyze_array): Make static. Initialize new data-ref fields.
        (analyze_indirect_ref): New function.
        (init_data_ref): Initialize new data-ref fields.
        (strip_conversion): Moved from tree-vect-analyze.c.
        (analyze_offset_expr, get_ptr_offset, address_analysis,
        object_analysis): Likewise.
        (analyze_offset): New function.
        (create_data_ref): Likewise.
        (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
        dimensions for ARRAY_REFs only.
        (build_classic_dist_vector): Make static.
        (access_functions_are_affine_or_constant_p): Call macro to get the
        address of access functions.
        (compute_all_dependences): Add new parameter
        compute_self_and_read_read_dependences. Compute self and read-read
        dependences if it is true.
        (find_data_references_in_loop): Call create_data_ref. Initialize new
        data-ref fields.
        (compute_data_dependences_for_loop): Add new parameter
        compute_self_and_read_read_dependences. Remove parameter nb_loops,
        compute nb_loops. Call compute_all_dependences,
        build_classic_dist_vector and build_classic_dir_vector with correct
        parameters.
        (analyze_all_data_dependences): Call compute_data_dependences_for_loop
        with correct parameters. Compare dimensions for ARRAY_REFs only.
        (free_data_refs): Call macro to free access functions.
        * tree-data-ref.h (struct first_location_in_loop): New structure. Move
        fields from stmt_vinfo.
        (struct base_object_info): New structure.
        (struct data_reference): Move fields to base_object_info. Add fields
        first_location and object_info for above structures. Move fields from
        stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
        aligned_to.  Add macros to access the new fields.
        Update functions declarations.
        * tree-flow.h (is_aliased_with): Declare.
        * tree-loop-linear.c (linear_transform_loops): Call
        compute_data_dependences_for_loop with correct parameters.
        * tree-ssa-alias.c (is_aliased_with): New function.
        * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
        (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
        (vect_analyze_data_ref_dependence): Get ddr. Remove call to
        vect_base_addr_differ_p, compute_subscript_distance and
        build_classic_dist_vector. Add printings. Check absolute value of
        distance.
        (vect_analyze_data_ref_dependences): Go through ddrs instead of
        data-refs.
        (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
        stmt. Check aligned_to. Check if the base is aligned. Remove conversion
        to bytes. Add printing.
        (vect_compute_data_refs_alignment): Go through loads and stores in one
        loop.
        (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
        vect_analyze_data_ref_access): Likewise.
        (vect_analyze_pointer_ref_access): Remove.
        (vect_address_analysis, vect_object_analysis): Likewise.
        (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
        and analyze data-refs in the loop.
        * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
        fields of data-ref instead of stmt. Add init to the offset from the
        base.
        (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
        (vect_update_init_of_dr): Likewise.
        (vect_update_inits_of_drs): Go through loads and stores in one loop.
        * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
        removed fields.
        (new_loop_vec_info): Initialize new fields.
        (destroy_loop_vec_info): Free new fields.
        (vect_strip_conversion): Remove.
        * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
        (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
        datarefs. Add new field ddrs.
        Add macros for the new fields access.
        (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
        base_aligned_p, misalignment, memtag, ptr_info and subvars.
        Remove their macros.
        * tree.h (highest_pow2_factor): Declare.

2005-07-25  Jakub Jelinek  <jakub@redhat.com>

        * calls.c (store_one_arg): Check for sibling call MEM arguments
        from already clobbered incoming argument area.

2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * c-common.c (check_missing_format_attribute): New.
        * c-common.h (check_missing_format_attribute): Likewise.
        * c-typeck.c (convert_for_assignment): Use it.

2005-07-24  Andreas Schwab  <schwab@suse.de>

        * config/m68k/m68k.md ("extendqidi2"): When source is an address
        register use a word move.  Correct operand of ext.w in 68000 code.

2005-07-23  Mark Mitchell  <mark@codesourcery.com>

        * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
        variables as declarations, rather than definitions.

2005-07-24  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/22526
        * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
        of the zero node.

2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
        that C99 reserve for future use. Use it to define clog10,
        clog10f and clog10l.

2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
        * configure.ac: Check for -Wmissing-format-attribute.

        * configure: Regenerate.

2005-07-23  Richard Henderson  <rth@redhat.com>

        PR tree-optimization/22623
        * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.

2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>

        PR target/22577
        * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.

2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * Makefile.in (C_TREE_H): Update dependencies.
        * c-tree.h: Include toplev.h.
        * diagnostic.h (diagnostic_set_info): Add format attribute.
        * rtl-error.c (diagnostic_for_asm): Likewise.

2005-07-23  Chao-ying Fu  <fu@mips.com>

        * config/mips/mips-dsp.md: New file.
        * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
        * config/mips/mips.c (mips_function_type): Add types for DSP builtin
        functions.
        (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
        MIPS_BUILTIN_BPOSGE32.
        (mips_expand_builtin_direct): Add one parameter to indicate that
        builtin functions need to return a value.
        (mips_expand_builtin_bposge): New for expanding "bposge" builtin
        functions.
        (mips_regno_to_class): Add classes for 12 new DSP registers.
        (mips_subword): Change to check four HI registers.
        (mips_output_move): Output move to and from 6 new DSP accumulators.
        (override_options): Make sure -mdsp and -mips16 are not used together.
        Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
        for machine modes.
        (mips_conditional_register_usage): Disable 6 new DSP accumulators
        when !TARGET_DSP.
        (print_operand): Add 'q' for printing DSP accumulators.
        (mips_cannot_change_mode_class): Check ACC_REGS.
        (mips_secondary_reload_class): Check ACC_REGS.
        (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
        (mips_register_move_cost): Check ACC_REGS.
        (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
        (CODE_FOR_mips_subu_qb): New code-aliasing macros.
        (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
        (dsp_bdesc): New array.
        (bdesc_arrays): Add DSP builtin function table.
        (mips_prepare_builtin_arg): Check predicate again after
        copy_to_mode_reg.
        (mips_expand_builtin): Add one more parameter to
        mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
        MIPS_BUILTIN_BPOSGE32.
        (mips_init_builtins): Initialize new function types.
        (mips_expand_builtin_direct): Check if builtin functions need to
        return a value and pass operands properly.
        (mips_expand_builtin_bposge): New function.
        * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
        (ASM_SPEC): Map -mdsp to -mdsp in GAS.
        (FIRST_PSEUDO_REGISTER): Increase to 188.
        (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
        Update for 12 new DSP registers.
        (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
        (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
        (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
        (reg_class): Add DSP_ACC_REGS and ACC_REGS.
        (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
        (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
        (REG_ALLOC_ORDER): Update for 12 new DSP registers.
        (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
        (UIMM6_OPERAND, IMM10_OPERAND): New macros.
        (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
        (REGISTER_NAMES): Add names for 12 new DSP registers.
        * config/mips/mips.md: Include mips-dsp.md.
        (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
        (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
        (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
        (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
        (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
        (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
        (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
        (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
        (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
        (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
        (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
        (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
        (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
        (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
        (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
        (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
        (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
        (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
        (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
        (UNSPEC_RDDSP): New constants.
        (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
        (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
        A<-d alternative.
        * config/mips/mips.opt (-mdsp): New option.
        * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
        (reg_imm10_operand): New predicates.
        * doc/extend.texi (MIPS DSP Built-in Functions): New section.
        * doc/invoke.texi (-mdsp): Document new option.

2005-07-22  DJ Delorie  <dj@redhat.com>

        * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
        to warning calls.
        * tree-inline.c (inlinable_function_p): Likewise.

2005-07-22  Mark Mitchell  <mark@codesourcery.com>

        PR debug/21828
        * toplev.c (check_global_declarations): Do not mark undefined
        variables as DECL_IGNORED_P.
        * varasm.c (first_global_object_name): GTY it.
        (weak_global_object_name): Likewise.
        (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
        a string to go into {weak,first}_global_object_name.

2005-07-22  DJ Delorie  <dj@redhat.com>

        * c-format.c (check_function_format): Change warning control
        option from OPT_Wattribute to OPT_Wmissing_format_attribute.

2005-07-22  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa-alias.c (count_ptr_derefs): Do not consider
        &PTR->FLD a dereference of PTR.
        * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
        a potential dereference of PTR.

2005-07-22  J"orn Rennecke <joern.rennecke@st.com>

        PR rtl-optimization/20370
        * ifcvt.c (dead_or_predicable): Before calling propagate_block,
        call allocate_reg_info if necessary.

        PR rtl-optimization/21848
        * calls.c (emit_library_call_value_1): For const functions, add
        USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.

        PR rtl-optimization/22445
        * cselib.c (target.h): Include.
        (rtx_equal_for_cselib_p): Allow commutative matches.
        (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
        Remove MODE parameter.  Changed all callers.

        PR rtl-optimization/22258
        * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
        New functions.
        (try_combine): Use likely_spilled_retval_p.

2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>

        * config.gcc: Add crx-elf support.

        * doc/contrib.texi: Mention crx.
        * doc/extend.texi: Document crx extensions.
        * doc/install.texi: Document crx install.
        * doc/invoke.texi: Document crx options.
        * doc/md.texi: Document crx constraints.

        * config/crx/crx-protos.h: New file.
        * config/crx/crx.c: New file.
        * config/crx/crx.h: New file.
        * config/crx/crx.md: New file.
        * config/crx/crx.opt: New file.
        * config/crx/t-crx: New file.

2005-07-22  Manfred Hollstein  <mh@suse.com>

        * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
        warnings.
        (int_add_graph_edge): Likewise.
        (collapse_nodes): Likewise.
        (process_unification_queue): Likewise.

2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
            Laurent GUERBY  <laurent@guerby.net>

        PR tree-optimization/22336
        * function.c (record_block_change): Check for
        cfun->ib_boundaries_block.

2005-07-21  James A. Morrison  <phython@gcc.gnu.org>

        * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
        (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.

2005-07-21  DJ Delorie  <dj@redhat.com>

        * toplev.c (warn_deprecated_use): Add warning control to warning
        call.
        * c-typeck.c (parser_build_binary_op): Likewise.
        (c_finish_if_stmt): Likewise.
        * c-common.c (check_function_sentinel): Likewise.
        (check_nonnull_arg): Likewise.

2005-07-21  Richard Henderson  <rth@redhat.com>

        PR tree-opt/22504
        * tree-complex.c (complex_ssa_name_components): New.
        (cvc_lookup): Allow entry not found.
        (create_components): Remove.
        (create_one_component_var, get_component_var): New.
        (get_component_ssa_name, set_component_ssa_name): New.
        (extract_component): Use get_component_ssa_name.
        (update_complex_components): Use set_component_ssa_name.
        (update_complex_components_on_edge): Likewise.
        (update_phi_components): Create new PHI nodes directly, instead
        of adding insns to edges.
        (tree_lower_complex): Allocate and free complex_variable_components
        and complex_ssa_name_components here.

2005-07-20  Daniel Berlin  <dberlin@dberlin.org>

        * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
        revert to returning false.

2005-07-21  Uros Bizjak  <uros@kss-loka.si>

        PR target/21149
        * config/i386/i386.md (sse_movhlps): Fix vec_select values.

2005-07-21  Uros Bizjak  <uros@kss-loka.si>

        PR target/22576
        * config/i386/i386.md (cmpxf): Change operand constraints
        to "nonmemory_operand".

2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.

2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/21180
        * fold-const.c (fold_build1): Add checksum for the operands.
        (fold_build2): Likewise.
        (fold_build3): Likewise.

2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/19055
        * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".

2005-07-21  Paolo Bonzini  <bonzini@gnu.org>

        * common.opt (-fforward-propagate): Committed by mistake,
        removed.

2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * reg-stack.c: Fix comment typo(s).
        * tree-ssa-operands.c: Likewise.
        * tree-vectorizer: Likewise.

2005-07-21  Nick Clifton  <nickc@redhat.com>

        * config/sh/symbian.c: Replace C++ style line comments with C
        style line comments.
        (symbian_add_attribute): Do not use a ? operator on the LHS of
        an assignment.
        (sh_symbian_handle_dll_attribute): Change the type of the
        method vector to "VEC(tree,gc)*" and use vector accessor
        macros to walk over the elements.
        (symbian_export_vtable_and_rtti_p): Likewise.
        (symbian_class_needs_attribute_p): Likewise.

2005-07-21  Paolo Bonzini  <bonzini@gnu.org>

        PR target/22085
        * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
        initialize targetm.resolve_overloaded_builtin here.
        (altivec_expand_overloaded_builtin): Make it non-static.
        * config/rs6000/rs6000-protos.h
        (altivec_expand_overloaded_builtin): New prototype.
        * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
        targetm.resolve_overloaded_builtin here.
        * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.

2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
            Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/19210
        * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
        New.
        * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
        * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
        rely on unproven assumptions.
        * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
        * tree-flow.h (number_of_iterations_exit): Add final parameter.
        * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
        to number_of_iterations_exit.
        * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
        * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
        * tree-ssa-loop-niter.c (find_loop_niter,
        estimate_numbers_of_iterations_loop): Likewise.
        (number_of_iterations_exit): Honor the new options.
        * doc/invoke.texi (Wunsafe-loop-optimizations,
        funsafe-loop-optimizations): Document them.

2005-07-21  Richard Sandiford  <richard@codesourcery.com>

        PR rtl-optimization/22167
        * gcse.c (hoist_code): Fix hoist_exprs[] check.

2005-07-20  Adam Nemet  <anemet@lnxw.com>

        * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
        __do_global_dtors_aux longcall.

2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>

        * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
        (old_special_pred_table): Don't reference
        SPECIAL_MODE_PREDICATES.
        * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
        * config/arc/arc.h: Don't mention PREDICATE_CODES.
        * config/sh/predicates.h: Don't mention
        SPECIAL_MODE_PREDICATES.
        * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
        Remove.

2005-07-20  DJ Delorie  <dj@redhat.com>

        * config.gcc: Add m32c-elf support.

        * doc/contrib.texi: Mention m32c.
        * doc/extend.texi: Document m32c extensions.
        * doc/install.texi: Mention m32c.
        * doc/invoke.texi: Document m32c options.
        * doc/md.texi: Document m32c constraints.

        * config/m32c/addsub.md: New file.
        * config/m32c/bitops.md: New file.
        * config/m32c/cond.md: New file.
        * config/m32c/jump.md: New file.
        * config/m32c/m32c-lib1.S: New file.
        * config/m32c/m32c-lib2.c: New file.
        * config/m32c/m32c-modes.def: New file.
        * config/m32c/m32c-pragma.c: New file.
        * config/m32c/m32c-protos.h: New file.
        * config/m32c/m32c.abi: New file.
        * config/m32c/m32c.c: New file.
        * config/m32c/m32c.h: New file.
        * config/m32c/m32c.md: New file.
        * config/m32c/m32c.opt: New file.
        * config/m32c/minmax.md: New file.
        * config/m32c/mov.md: New file.
        * config/m32c/muldiv.md: New file.
        * config/m32c/predicates.md: New file.
        * config/m32c/prologue.md: New file.
        * config/m32c/shift.md: New file.
        * config/m32c/t-m32c: New file.

2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
        (stack_protect_set, stack_protect_test): New expanders.
        (stack_protect_set_si, stack_protect_set_si_media,
        stack_protect_set_di_media, stack_protect_test_si,
        stack_protect_test_si_media, stack_protect_test_di_media):
        New insns.

2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>

        * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.

2005-07-20  James A. Morrison  <phython@gcc.gnu.org>

        * tree.h (tree_expr_nonzero_p): Export.
        * fold-const.c (tree_expr_nonzero_p): Likewise.
        Return true for CALL_EXPRs that are alloca calls.
        (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
        against zero.
        * tree-flow.h (expr_computes_nonzero): Remove.
        * tree-vrp.c (expr_computes_nonzero): Remove.
        (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
        (extract_range_from_unary_expr): Likewise.
        * tree-ssa-dom.c (record_equivalences_from_stmt): Use
        tree_expr_nonzero_p.

2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
        * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
        extra arg "picreg" and use it instead of pic_offset_table_rtx.
        All callers changed.
        (frame_related_constant_load): New arg "related" which controls
        setting of RTX_FRAME_RELATED_P.  All callers changed.
        (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
        (bfin_expand_prologue): Add stack limit checking.
        * config/bfin/bfin.md (trapifcc): New pattern.

        * config/bfin/bfin.c: Include "langhooks.h".
        (def_builtin): Go through lang_hooks to call builtin_function.

        * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
        * config/bfin/predicates.md (symbol_ref_operand): New.
        (call_insn_operand): Delete.  All callers changed to use
        register_no_elim_operand.
        * config/bfin/bfin.c (init_cumulative_args): Initialize the new
        call_cookie field.
        (function_arg): Use it to generate the call's operand 2.
        (bfin_longcall_p): New function.
        (bfin_expand_call): Extra arg "cookie".  All callers and declaration
        changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
        determine if the address needs to be in a REG.
        (bfin_handle_longcall_attribute): New function.
        (bfin_attribute_table): Add "longcall" and "shortcall".
        * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
        (CUMULATIVE_ARGS): New member call_cookie.
        (PREDICATE_CODES): Add symbol_ref_operand.
        * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
        extra USE to the pattern.
        (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
        New patterns, split off call_insn, sibcall_insn, call_value_insn and
        sibcall_value_insn; now the new patterns handle direct calls and the
        old ones indirect calls.
        * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.

2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>

        * doc/trouble.texi: Update section on handling of empty loops.

2005-07-20  Kazu Hirata  <kazu@codesourcery.com>

        * config.gcc: Remove support for sparc-*-openbsd*,
        i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
        ns32k-*-netbsd*.
        * config.host: Remove support for i860-*-sysv4* as a host.
        * config/i860/*, config/ip2k/*, config/ns32k/*,
        config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
        * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
        mention obsolete ports.

2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
        soft frame pointer.
        (sh_expand_prologue): Use hard_frame_pointer_rtx instead
        of frame_pointer_rtx.
        (sh_expand_epilogue): Likewise.
        (sh_set_return_address): Likewise.
        (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
        instead of FRAME_POINTER_REGNUM if needed.  Add elimination
        offsets from FRAME_POINTER_REGNUM.
        * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
        (sh_register_names): Add initializer for sfp.
        (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
        (VALID_REGISTER_P): Likewise.
        (FIRST_PSEUDO_REGISTER): Update.
        (DWARF_FRAME_REGISTERS): Define.
        (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
        (HARD_FRAME_POINTER_REGNUM): Define.
        (FRAME_POINTER_REGNUM): Redefine.
        (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
        but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
        from FRAME_POINTER_REGNUM.
        (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
        FRAME_POINTER_REGNUM.
        (REG_CLASS_CONTENTS): Add sfp.
        (REG_ALLOC_ORDER): Likewise.
        (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
        (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
        of frame_pointer_rtx.
        (LEGITIMIZE_RELOAD_ADDRESS): Likewise.

2005-07-19  James A. Morrison  <phython@gcc.gnu.org>

        * fold-const.c (tree_expr_nonnegative_p): Only return true for
        ABS_EXPR when flag_wrapv is false because of INT_MIN.
        (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
        of an ABS_EXPR.
        (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
        ABS_EXPR<x>.

2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>

        Make CONSTRUCTOR use VEC to store initializers.
        * c-common.c (complete_array_type): Update to cope with VEC in
        CONSTRUCTOR_ELTS.
        * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
        (pp_c_constructor_elts): New function.
        * c-pretty-print.h (pp_c_constructor_elts): Declare.
        * c-typeck.c (build_function_call, build_c_cast, digest_init,
        struct constructor_stack, struct initializer_stack,
        constructor_elements, push_init_level, pop_init_level,
        add_pending_init, find_init_member, output_init_element): Update to
        cope with VEC in CONSTRUCTOR_ELTS.
        * coverage.c (build_fn_info_value, build_ctr_info_value,
        build_gcov_info): Likewise.
        * expr.c (categorize_ctor_elements_1, store_constructor,
        expand_expr_real_1): Likewise.
        * fold-const.c (fold_ternary): Likewise.
        * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
        gimplify_init_constructor, gimplify_expr): Likewise.
        * tree-dump.c (dequeue_and_dump): Likewise.
        * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
        node.
        * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
        CONSTRUCTOR_ELTS.
        * tree-sra.c (generate_element_init_1): Likewise.
        * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
        * tree-ssa-operands.c (get_expr_operands): Likewise.
        * tree-vect-generic.c (expand_vector_piecewise): Likewise.
        * tree-vect-transform.c (vect_get_vec_def_for_operand):
        (get_initial_def_for_reduction): Likewise.
        * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
        value handle in annotations.
        * tree.c (tree_node_kind, tree_code_size, make_node_stat,
        tree_node_structure): Add support for constr_kind.
        (build_vector_from_ctor, build_constructor_single,
        build_constructor_from_list): New functions.
        (build_constructor): Update to take a VEC instead of a TREE_LIST.
        (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
        Update to cope with VEC in CONSTRUCTOR_ELTS.
        * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
        * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
        CONSTRUCTOR_APPEND_ELT): New macros.
        (struct constructor_elt, struct tree_constructor): New data types.
        (union tree_node): Add tree_constructor field.
        * treestruct.def: Define TS_CONSTRUCTOR.
        * varasm.c (const_hash_1, compare_constant, copy_constant,
        compute_reloc_for_constant, output_addressed_constants,
        initializer_constant_valid_p, output_constant,
        array_size_for_constructor, output_constructor): Update to cope with
        VEC in CONSTRUCTOR_ELTS.
        * vec.h (VEC_empty, VEC_copy): New macros.

2005-07-19  Devang Patel  <dpatel@apple.com>

        * dbxout.c (dbxout_type): Check Objective-C++ lang.

2005-07-19  Richard Henderson  <rth@redhat.com>

        PR tree-opt/22278
        * gimplify.c (gimplify_expr): Use main variant type for the temp
        destination for a discarded volatile read.
        * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
        casts between non-void types that change volatility.

2005-07-15  DJ Delorie  <dj@redhat.com>

        * toplev.h: Add comment about the first parameter for warning().
        * errors.h: Likewise.

        * c.opt (Wpragmas): New.
        * doc/invoke.texi: Document it.

        * function.c (do_warn_unused_parameter): Add warning control to
        warning call.
        * c-decl.c (warn_if_shadowing): Likewise.
        * c-lex.c (cb_def_pragma): Likewise.
        * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
        (pop_alignment): Likewise.
        (handle_pragma_pack): Likewise.
        (apply_pragma_weak): Likewise.
        (handle_pragma_weak): Likewise.
        (handle_pragma_redefine_extname): Likewise.
        (add_to_renaming_pragma_list): Likewise.
        (handle_pragma_extern_prefix): Likewise.
        (maybe_apply_renaming_pragma): Likewise.
        (handle_pragma_visibility): Likewise.

        * config/c4x/c4x-c.c (BAD): Likewise.
        (c4x_parse_pragma): Likewise.
        * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
        * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
        (rs6000_pragma_longcall): Likewise.
        * config/v850/v850-c.c (pop_data_area): Likewise.
        (ghs_pragma_section): Likewise.
        (ghs_pragma_section): Likewise.
        (ghs_pragma_interrupt): Likewise.
        (ghs_pragma_starttda): Likewise.
        (ghs_pragma_startsda): Likewise.
        (ghs_pragma_startzda): Likewise.
        (ghs_pragma_endtda): Likewise.
        (ghs_pragma_endsda): Likewise.
        (ghs_pragma_endzda): Likewise.

2005-07-19  Danny Berlin <dberlin@dberlin.org>
            Kenneth Zadeck <zadeck@naturalbridge.com>

        * Makefile.in: Removed tree-promote-statics.c
        * tree-promote-statics.c: Removed.
        * common.opt: Removed flag-promote-statics.
        * opts.c: Ditto.
        * passes.c: Removed tree-promote-statics pass.
        * tree-pass.h: Ditto.
        * timevar.def: Removed TV_PROMOTE_STATICS.


2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>

        * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
        and *-*-freebsd9.
        * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.

2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        PR c/22476
        * c-common.c (check_function_arguments): Call
        'check_function_format' if either -Wformat or
        -Wmissing-format-attribute are specified.
        * c-format.c (check_function_format): Check -Wformat before
        calling 'check_format_info'.
        * c-opts.c (c_common_post_options): Don't warn for
        -Wmissing-format-attribute without -Wformat.
        * c-typeck.c (convert_for_assignment): Detect additional cases for
        -Wmissing-format-attribute.
        * doc/invoke.texi (-Wmissing-format-attribute): Document new
        behavior.

2005-07-19  Richard Guenther  <rguenther@suse.de>

        * config/i386/i386.md (lrint<mode>2): Use temporary
        instead of clobbering non-existent memory.

2005-07-19  Nick Clifton  <nickc@redhat.com>

        * config/avr/avr.c (legitimate_address_p): Fix debugging print
        statement to avoid displaying ASCII control characters.

2005-07-19  Ben Elliston  <bje@au.ibm.com>

        * bt-load.c (link_btr_uses): Fix uninitialised warnings.
        * cfganal.c (find_edge_index): Ditto.
        * combine.c (combine_instructions): Ditto.
        * ddg.c (create_scc): Ditto.
        (find_successors): Ditto.
        (find_predecessors): Ditto.
        (find_nodes_on_paths): Ditto.
        (longest_simple_path): Ditto.
        * flow.c (update_life_info): Ditto.
        (count_or_remove_death_notes): Ditto.
        (clear_log_links): Ditto.
        * modulo-sched.c (generate_reg_moves): Ditto.
        (find_max_asap): Ditto.
        (find_max_hv_min_mob): Ditto.
        (find_max_dv_min_mob): Ditto.
        * sbitmap.c (sbitmap_first_set_bit): Ditto.
        * sched-rgn.c (extract_edgelst): Ditto.
        * tree-into-ssa.c (prepare_names_to_update): Ditto.
        (dump_update_ssa): Ditto.
        (ssa_names_to_replace) Ditto.
        (switch_virtuals_to_full_rewrite): Ditto.
        (update_ssa): Ditto.
        * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.

2005-07-18  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/22483

        * tree-complex.c (create_components): Use
        safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
        * tree-flow-inline.h (fill_referenced_var_vec): New function.
        * tree-flow.h (safe_referenced_var_iterator): New structure.
        (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
        * tree-ssa-alias.c (setup_pointers_and_addressables): Use
        safe_referenced_var iterator.
        (add_type_alias): Ditto.

2005-07-19  Steven Bosscher  <stevenb@suse.de>

        * loop-init.c (rest_of_handle_loop2): Remove.
        (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
        rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
        (pass_rtl_loop_init, pass_rtl_loop_done,
        pass_rtl_move_loop_invariants, pass_rtl_unswitch,
        pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
        * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
        pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
        pass_tree_loop_done, and pass_tree_unswitch.
        (gate_loop): Rename to gate_tree_loop.
        * passes.c (init_optimization_passes): Update for renamed tree
        loop passes.  Add the new loop2 passes as subpasses of loop2.
        * tree-pass.h: Add extern declarations for the new loop2 subpasses.
        Update for the renamed tree loop passes.

2005-07-18  Ian Lance Taylor  <ian@airs.com>

        PR middle-end/22057
        * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
        blocks when optimizing.

2005-07-18  Steve Ellcey  <sje@cup.hp.com>

        * common.opt (frename-registers): Initialize to 2.
        (fweb): Ditto.
        (fgcse-after-reload): Ditto.
        * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
        (process_options): Only change flag_web, flag_rename_registers,
        and flag_rerun_cse_after_loop if not explicitly set by user.

2005-07-18  Jan Beulich  <jbeulich@novell.com>

        * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
        ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
        in 64-bit mode the same as DImode in 32-bit mode.
        (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
        ix86_split_lshr): Likewise. Rename to no longer refer to a specific
        mode. Add new mode parameter.
        * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
        * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
        x86_64_shift_adj): New expanders.
        (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
        *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
        insns.
        Respective new splitters. Use renamed shift splitter helpers in 32-bit
        DImode shift splitters.
        * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
        ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
        mode parameter.

2005-07-18  Jan Beulich  <jbeulich@novell.com>

        * i386.md (movdi_extzv_1): New.
        (zero_extendhidi2): Combine alternatives and never force use of
        REX64 prefix.
        (zero_extendqidi2): Likewise. Don't restrict input selection.

2005-07-17  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/22531
        * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
         moment.

2005-07-17  Daniel Berlin  <dberlin@dberlin.org>

        * tree-promote-statics.c (pass_promote_statics): Change dump file
         name.

2005-07-17  Daniel Berlin  <dberlin@dberlin.org>

        * tree-optimize.c (init_tree_optimization_passes): Add
        pass_eliminate_useless_stores pass.
        * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
        * tree-ssa-pre.c (is_copy_stmt): New function.
        (follow_copies_till_vuse): Ditto.
        (do_eustores): Ditto.
        (gate_eustores): Ditto.

2005-07-16  Richard Henderson  <rth@redhat.com>

        * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.

2005-07-16 Danny Berlin <dberlin@dberlin.org>
           Kenneth Zadeck <zadeck@naturalbridge.com>

        * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
        ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
        ipa-type-escape.h, tree-promote-statics.c
        * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
        ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
        tree-promote-statics.c: new files.
        * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
        nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
        int nonlocal_set_p, mark_constant_function): Deleted.
        (rest_of_handle_cfg): Removed call to mark_constant_function.
        (nonoverlapping_component_refs_p): Added calls to support
        type based aliasing.
        * tree-ssa-alias.c (may_alias_p,
        compute_flow_insensitive_aliasing): Ditto.
        * calls.c (flags_from_decl_or_type): Removed reference to
        cgraph_rtl_info.
        * c-typeck.c (convert_arguments): Make builtins tolerant of having
        too many arguments.  This is necessary for Spec 2000.
        * cgraph.h (const_function, pure_function): Removed.
        * common.opt: Added "fipa-pure-const", "fipa-reference",
        "fipa-type-escape", and "ftree-promote-static".
        * opts.c: Ditto.
        * passes.c: Added ipa and tree-promote-statics passes.
        * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
        TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
        * tree-dfa.c (referenced_var_lookup_if_exists): New function.
        * tree-flow.h: Added exposed sra calls and addition of
        reference_vars_info field for FUNCTION_DECLS.
        * tree-pass.h: Added passes.
        * tree-sra.c: (sra_init_cache): New function.
        (sra_insert_before, sra_insert_after) Made public.
        (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
        and made public.
        * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
        aliasing. (may_alias_p): Added code to use type escape analysis to
        improve alias sets.
        * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
        code to prune clobbers of static variables based on information
        produced in ipa-reference pass.  Changed call clobbering so that
        statics are not marked as clobbered if the call does not clobber
        them.

2005-07-16  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
        too.

2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/install.texi (*-*-solaris2*): Document recommended version
        of GNU binutils and mention GNU linker problem on Solaris 10.

2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/22421
        * c-decl.c (c_build_bitfield_integer_type): New function.
        (finish_struct): Call it.
        * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.

2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * c-typeck.c (digest_init): Call 'convert_for_assignment'
        before returning.

2005-07-16  Jan Hubicka  <jh@suse.cz>

        * cfg.c (update_bb_profile_for_threading): Fix profile updating.
        (scale_bbs_frequencies_int): Watch roundoff errors.
        * predict.c (return_prediction): Initialize return_stmt.

2005-07-16  Jan Hubicka  <jh@suse.cz>

        * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
        after RTL profiling.

2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/22398
        * fold-const.c (build_range_check): Convert high/low to etype
        if we are only comparing against exp.

2005-07-13  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/22376
        * tree-ssa-structalias.c (build_constraint_graph): We really meant
        special var here.
        (need_to_solve): New function.
        (compute_points_to_sets): Use it.

2005-07-15  Jan Hubicka  <jh@suse.cz>

        * cfg.c (update_bb_profile_for_threading): More diagnostic.
        * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.

2005-07-15  Richard Guenther  <rguenther@suse.de>

        * c-common.c (handle_flatten_attribute): New function.
        Add flatten function attribute.
        * doc/extend.texi: Document flatten function attribute.
        * Makefile.in (ipa-inline.o): Depend on hashtab.h.
        * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
        New functions.
        (cgraph_decide_inlining): Handle functions with flatten
        attribute.

2005-07-14  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
        UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
        UNSPEC_XCHG, UNSPEC_AND): New.
        (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
        UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
        * config/rs6000/sync.md (FETCHOP): New code macro.
        (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
        New code attrs.
        (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
        (sync_compare_and_swap<mode>): Same.
        (sync_lock_test_and_set<mode>): Same.
        (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
        for QImode and HImode, and not PPC405.
        (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
        (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
        (sync_<fetchop>{si,di}_internal): New.
        (sync_nand{si,di}_internal): New.
        (sync_old_<fetchop>{si,di}_internal): New.
        (sync_old_nand{si,di}_internal): New
        (sync_new_<fetchop>{si,di}_internal): New.
        (sync_new_nand{si,di}_internal): New.
        (atomic_and{si,di}): New.
        (sync_new_nand{si,di}_internal): New.
        (atomic_and{si,di}): New.
        (sync_add<mode>_internal): Delete.
        (sync_addshort_internal): Use unspec instead of unspec_volatile.
        (sync_sub<mode>_internal): Delte.
        (sync_subshort_internal): New.
        (sync_andsi_internal): Use unspec instead of unspec_volatile.
        (sync_anddi_internal): Delete.
        (sync_boolsi_internal): Use unspec instead of unspec_volatile.
        (sync_booldi_internal): Delete.
        (sync_boolc<mode>_internal): Delete.
        (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
        (sync_boolc<mode>_internal2): Delete.
        (sync_boolcc<mode>_internal): Delete.
        (isync, lwsync): Use unspec instead of unspec_volatile.
        * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
        Revert UNSPEC_VOLATILE.
        (rs6000_split_atomic_op): New.
        * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.

2005-07-14  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips.c (mips_canonicalize_comparison): Cast
        argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.

2005-07-14  Eric Christopher  <echristo@redhat.com>

        * config/s390/t-tpf (SHLIB_MAPFILES): Remove.

2005-07-14  Steven Bosscher  <stevenb@suse.de>

        PR tree-optimization/22230
        * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
        the computation of the four cross productions for "range op range".

2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
            Ulrich Weigand  <uweigand@de.ibm.com>

        PR target/20126
        * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
        in some insn.

2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.

2005-07-14  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.

2005-07-14  Richard Guenther  <rguenther@suse.de>

        PR middle-end/22347
        * config/i386/i386-protos.h (ix86_function_value): Change
        prototype to match new target hook.
        * config/i386/i386.c (ix86_value_regno): Change prototype
        to take extra type argument.
        (TARGET_FUNCTION_VALUE): Define.
        (ix86_function_ok_for_sibcall): Pass extra argument to
        ix86_value_regno, check return slot rtx for exact match.
        (ix86_function_value): Take extra parameter.  Dispatch to
        ix86_value_regno with fndecl/fntype as provided.
        (ix86_value_regno): Handle extra type argument.
        * config/i386/i386.h (FUNCTION_VALUE): No longer define.

        * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
        * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
        * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
        * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
        * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.

2005-07-14  Richard Guenther  <rguenther@suse.de>

        * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
        * calls.c (expand_call): Pass fntype to hard_function_value.
        (emit_library_call_value_1): Likewise.
        * explow.c: Include target.h.
        (hard_function_value): Take extra argument, the fntype.
        Use new target hook for function_value.
        * expr.h (hard_function_value): Change prototype.
        * function.c (aggregate_value_p): Pass 0 as fntype to
        hard_function_value.
        (assign_parms): Use new target hook for function_value.
        Pass 0 as fntype to hard_function_value.
        (expand_function_end): Likewise.
        * reg-stack.c: Include target.h.
        (stack_result): Use new target hook for function_value.
        * target-def.h: New target hook function_value.
        * target.h: Likewise.
        * targhooks.c (default_function_value): New function.
        * targhooks.h (default_function_value): Declare.

2005-07-13  Ian Lance Taylor  <ian@airs.com>

        * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.

2005-07-14  Jan Hubicka  <jh@suse.cz>

        * tree-dfa.c (dump_variable): Use default_def function.
        * tree-ssa-alias.c (dump_points_to_info): Likewise.
        * tree-ssa.c (verify_use): Likewise.
        * tree-ssanames.c (release_ssa_name): Likewise.
        * tree-tailcall.c (eliminate_tail_call): Likewise.
        (tree_optimize_tail_calls_1): Likewise.
        * tree-vrp.c (get_value_range): Likewise.

2005-07-14  Ben Elliston  <bje@au.ibm.com>

        * gcc.c (main): Compare language[0] with '*' when iterating over
        the infiles.

2005-07-13  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390.c: (s390_cc_modes_compatible): Move before
        "s390_emit_compare".  Add handling of CCZ1mode.
        (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
        (390_emit_compare): Use "s390_cc_modes_compatible" for mode
        checking.
        (s390_branch_condition_mask): Add CCZ1mode handling.
        * config/s390/s390.md: ("seq", "*seq"): New pattern.
        ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
        Use CCZ1mode instead of CCZmode.
        * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.

2005-07-13  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
        pattern.
        ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.

2005-07-13  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips.c (mips_canonicalize_comparison): New.
        (mips_emit_int_relational): Use.

2005-07-13  Eric Christopher  <echristo@redhat.com>

        * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
        static extra parts.
        * config/s390/s390.md: Include tpf.md. Move tpf specific
        patterns...
        * config/s390/tpf.md: To here.
        * config/s390/s390.opt: Move tpf specific options...
        * config/s390/tpf.opt: to here. Add mmain option.
        * config/s390/tpf-unwind.h: Remove unnecessary defines.
        * config/s390/tpf.h: Rewrite.

2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>

        * doc/tm.texi: Remove @xref{Cross-profiling}.

2005-07-13  Jeff Law  <law@redhat.com>

        * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
        expressions, test their _DECL operands for pointer equality rather
        than using operand_equal_p.

2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>

        * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
        (TARGET_POSIX_IO): This.
        * config/darwin.h: Likewise.
        * config/freebsd.h: Likewise.
        * config/linux.h: Likewise.
        * config/lynx.h: Likewise.
        * config/netbsd.h: Likewise.
        * config/rs6000/linux64.h: Likewise.
        * config/rs6000/linux.h: Likewise.
        * config/s390/tpf.h: Likewise.
        * config/sh/embed-elf.h: Likewise.
        * config/sparc/linux64.h: Likewise.
        * config/sparc/linux.h: Likewise.
        * config/svr4.h: Likewise.
        * gcov-io.h: Likewise.

        * doc/tm.texi: Updated.

        * libgcov.c (create_file_directory): Defined only if
        TARGET_POSIX_IO is defined.
        (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
        is defined.

2005-07-13  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.

2005-07-13  David Edelsohn  <edelsohn@gnu.org>

        * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
        structure as argument.

2005-07-13  Paolo Bonzini  <bonzini@gnu.org>

        PR tree-optimization/21921
        * tree-iterator.c (tsi_link_before): Support the case when
        tsi_end_p (tsi) == true.

2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/22442
        * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
        correctly.

2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>

        PR rtl-optimization/20376
        * toplev.c (process_options): Enable -fweb and -frename-registers when
        unrolling.
        * doc/invoke.texi: Update the information about when -fweb and
        -frename-registers are enabled.

2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/21840
        * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
        if *rhs_p is not a SSA_NAME.

2005-07-12  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/22422
        * tree-ssa-structalias.c (struct variable_info): Add flag for
        special vars.
        (get_varinfo): Now a static function.
        (new_varinfo): init has_union and is_special_var to false.
        (solution_set_add): Check has_union.
        (do_da_constraint): Move temporary variable so it gets reset
        properly.
        Also check for special variable.
        (do_ds_constraint): Ditto.
        (do_sd_constraint): Ditto.
        (do_structure_copy): Check for special variable.
        (find_func_aliases): Ditto.
        (init_base_vars): Set special vars properly.

2005-07-13  Jan Hubicka  <jh@suse.cz>

        * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
        do unit-at-a-time.

        * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
        (get_expr_operands): Fix thinko wrt flags and subvars.

        PR tree-optimize/22379
        * tree-inline.c (expand_call_inline): Do not output sorry in early
        inlining.

2005-07-12  Dale Johannesen  <dalej@apple.com>

        * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.

2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>

        PR bootstrap/21704
        * host-linux.h: Include limits.h.

2005-07-12  Dale Johannesen  <dalej@apple.com>

        * expr.c (compress_float_constant):  Add cost check.
        * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.

2005-07-12  Dale Johannesen  <dalej@apple.com>

        * gcc.target/i386/compress-float-sse.c:  New.
        * gcc.target/i386/compress-float-sse-pic.c:  New.
        * gcc.target/i386/compress-float-387.c:  New.
        * gcc.target/i386/compress-float-387-pic.c:  New.
        * gcc.dg/compress-float-ppc.c:  New.
        * gcc.dg/compress-float-ppc-pic.c:  New.

2005-07-12  Eric Christopher  <echristo@redhat.com>

        * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
        static extra parts.
        * config/s390/s390.md: Include tpf.md. Move tpf specific
        patterns...
        * config/s390/tpf.md: To here.
        * config/s390/s390.opt: Move tpf specific options...
        * config/s390/tpf.opt: to here. Add mmain option.
        * config/s390/tpf-unwind.h: Remove unnecessary defines.
        * config/s390/tpf.h: Rewrite.

2005-07-12  Eric Christopher  <echristo@redhat.com>

        * gcc.c (struct infile): Update comment for language.
        (main): Rewrite input file resetting code.

2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/22335
        * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
        requiring a cast in a non RHS of modify_expr.  Add a cast when required.
        (lookup_avail_expr): Use constant_boolean_node instead
        of boolean_false_node/boolean_true_node.

2005-07-12  Ben Elliston  <bje@au.ibm.com>

        * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
        and use it when printing num_edges.

2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>

        * doc/extend.texi (Blackfin Built-in Functions): New section.
        * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
        @opindex.

2005-07-12  Adrian Straetling  <straetling@de.ibm.com>

        * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
        s/cmpstrsi/cmpstrnsi
        (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
        'cmpstrnsi'.
        * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
        (init_optabs): Initialize cmpstrn_optab.
        * optabs.h: (enum insn_code cmpstrn_optab): Declare.
        * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
        * expr.c: (enum insn_code cmpstrn_optab): Declare.
        * config/i386/i386.md: s/cmpstr/cmpstrn
        * config/c4x/c4x.md: s/cmpstr/cmpstrn
        * doc/md.texi: Update documentation.

2005-07-11  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
        build_va_arg_indirect_ref.
        (alpha_gimplify_va_arg): Likewise.
        * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
        * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
        * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
        * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
        * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
        * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
        Likewise.
        * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.

2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
        * passes.c (init_optimization_passes): Add pass_empty_loop.
        * tree-pass.h (pass_empty_loop): Declare.
        * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
        try_remove_empty_loop, remove_empty_loops): New functions.
        * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
        * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.

2005-07-12  Peter Barada  <peter@the-baradas.com>

        PR middle-end/16719
        PR middle-end/18421
        * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
        in address registers.
        * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
        * config/m68k/m68k.md: Replace 's' with 'i' in 4th
        alternative of addsi3_5200.

2005-07-11  Ian Lance Taylor  <ian@airs.com>

        * config/mips/mips.md (ffs<mode>2): Remove.

2005-07-11  Ian Lance Taylor  <ian@airs.com>

        * doc/tree-ssa.texi (Cleanups): Improve description of
        TRY_FINALLY_EXPR.
        (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.

2005-07-11  Daniel Berlin  <dberlin@dberlin.org>

        * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
        * tree.h (DECL_ARGUMENT_FLD): New macro.

2005-07-11  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/22404

        * tree-ssa-structalias.c (create_variable_info_for): Use
        correct offset.

2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
        compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
        for second comparison operand.
        * config/bfin/predicates.md (reg_or_const_int_operand): New.

        * config/bfin/bfin.md (define_attr "type"): Add "sync".
        (define_insn_reservation "alu"): Likewise.
        (csync, ssync): Now of type sync.
        * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
        -mcsync-anomaly -mspecld-anomaly.
        * config/bfin/bfin.opt (mcsync): Remove.
        (mcsync-anomaly, mspecld-anomaly): Add.
        * config/bfin/bfin.c: Include "insn-codes.h".
        (bfin_reorg): Extend to handle the CSYNC anomaly as well.
        (TARGET_DEFAULT_TARGET_FLAGS): New.
        * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.

2005-07-11  Steven Bosscher  <stevenb@suse.de>

        * basic-block.h: Give the BB flags enum a name, bb_flags.
        Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
        * cfgcleanup.c (enum bb_flags): Remove here.
        (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
        (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
        (update_forwarder_flag): Likewise.
        (thread_jump): Likewise.
        (try_forward_edges): Likewise.
        (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
        forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
        reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.

2005-07-11  Richard Guenther  <rguenther@suse.de>

        * config/i386/i386.opt: New target option -msseregparm.
        * config/i386/i386.c (override_options): Error out for
        -msseregparm but no SSE support.
        (ix86_function_sseregparm): Check for global sseregparm.
        * doc/invoke.texi: Document -msseregparm.

2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>

        * config.gcc (m32r-*-linux*): Use the default extra_parts.
        (m32rle-*-linux*): Ditto.

2005-07-11  Jakub Jelinek  <jakub@redhat.com>

        * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
        instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
        bytes.

2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR middle-end/22239
        PR target/20126
        * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
        gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).

2005-07-07  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-structalias.c (struct variable_info): Heapify complex.
        (varmap): Heapify varmap.
        (constraints): Heapify constraints.
        (struct constraint_graph): Heapify succs and preds.
        (constraint_vec_find): Update for heapification.
        (constraint_set_union): Ditto.
        (insert_into_complex): Ditto.
        (constraint_edge_vec_find): Ditto.
        (erase_graph_self_edge): Ditto.
        (add_graph_edge): Ditto.
        (get_graph_weights): Ditto.
        (merge_graph_nodes): Ditto.
        (build_constraint_graph): Ditto.
        (topo_visit): Ditto.
        (solve_graph): Ditto.
        (create_variable_info_for): Ditto.
        (init_base_vars): Ditto.
        (delete_points_to_sets): Free graph, varmap, and complex constraints.
        (condese_varmap_nodes): Free complex vector.
        (clear_edges_for_node): Clear succs and preds vector.

2005-07-10  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-structalias.c (update_alias_info): Change counting of
        references to not include vdefs.

2005-07-10  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-alias.c (free_used_part_map): Add missing free.
        (up_insert): Ditto.

2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (pa_commutative_p): Make PLUS commutative when
        TARGET_NO_SPACE_REGS is true.

2005-07-09  Diego Novillo  <dnovillo@redhat.com>

        * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
        * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
        * tree-dfa.c (dump_subvars_for): New.
        (debug_subvars_for): New.
        (dump_variable): Show subvariables if VAR has them.
        * tree-flow-inline.h (get_subvar_at): New.
        (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
        * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
        Update all users.
        (struct subvar): Change fields offset and size to unsigned
        HOST_WIDE_INT.
        (dump_subvars_for): Declare.
        (debug_subvars_for): Declare.
        (get_subvar_at): Declare.
        (okay_component_ref_for_subvars): Change 2nd and 3rd argument
        to unsigned HOST_WIDE_INT *.
        (overlap_subvar): Likewise.
        * tree-gimple.c (is_gimple_reg): Always return false for
        SFTs and memory tags.
        * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
        Update all callers.
        * tree-ssa-alias.c: Include tree-ssa-structalias.h.
        (compute_may_aliases): Call compute_points_to_sets.
        (collect_points_to_info_for): Remove.
        (compute_points_to_and_addr_escape): Remove.
        (delete_alias_info): Call delete_points_to_sets.
        (compute_flow_sensitive_aliasing): If the call to
        find_what_p_points_to returns false, call set_pt_anything.
        (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
        (set_pt_anything): Clear pi->pt_vars.
        (set_pt_malloc): Remove.
        (merge_pointed_to_info): Remove.
        (add_pointed_to_expr): Remove.
        (add_pointed_to_var): Remove.
        (collect_points_to_info_r): Remove.
        (is_escape_site): Make extern.
        (create_sft): New.
        (create_overlap_variables_for): Call it.
        * tree-ssa-copy.c (merge_alias_info): Never merge
        flow-sensitive alias information.
        * tree-ssa-operands.c (get_expr_operands): Adjust variables
        offset and size to be unsigned HOST_WIDE_INT.
        (add_to_addressable_set): Rename from note_addressable.
        Set TREE_ADDRESSABLE as the variables are added to the set.
        Update all users.
        (add_stmt_operand): Do not try to micro-optimize unmodifiable
        operands into VUSEs when adding V_MAY_DEFs for members in an
        alias set.
        * tree-ssa-operands.h (add_to_addressable_set): Declare.
        * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
        (struct variable_info): Add bitfield is_heap_var.
        (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
        (new_var_info): Initialize is_heap_var.
        (get_constraint_for): Add HEAP variables to the symbol table.
        Mark them with is_heap_var.
        (update_alias_info): New.  Taken mostly from the old
        compute_points_to_and_addr_escape.
        (handle_ptr_arith): New.
        (find_func_aliases): Call update_alias_info.
        Call handle_ptr_info for tcc_binary expressions.
        Call mark_stmt_modified.
        (create_variable_info_for): If DECL has subvars, do not create
        variables for its subvars.  Always add all the fields.
        (set_uids_in_ptset): If the solution includes ANYOFFSET and
        SFTs, then add all the SFTs of the structure.
        If VI->DECL is an aggregate with subvariables, add the SFT at
        VI->OFFSET.
        (find_what_p_points_to): If VI is an artificial variable,
        translate to bitfields in SSA_NAME_PTR_INFO.
        If the solution is empty, set pi->pt_vars to NULL
        (init_base_vars): Create ANYOFFSET.
        (compute_points_to_sets): Rename from create_alias_vars.
        Make extern.
        (pass_build_pta): Remove.
        (delete_points_to_sets): Rename from delete_alias_vars.
        (pass_del_pta): Remove.
        * tree-ssa-structalias.h (struct alias_info): Move from
        tree-ssa-alias.h.
        (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
        NUM_REFERENCES_SET): Likewise.
        (compute_points_to_sets, delete_points_to_sets): Declare.

2005-07-09  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
        alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
        alpha_split_lock_test_and_set_12): New functions.
        * config/alpha/alpha-protos.h: Update.
        * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
        UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
        * config/alpha/sync.md (I12MODE): New.
        (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
        (sync_<fetchop_name><I48MODE>): Likewise.
        (sync_nand<I48MODE>): Likewise.
        (sync_old_<fetchop_name><I48MODE>): Likewise.
        (sync_new_<fetchop_name><I48MODE>): Likewise.
        (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
        (sync_compare_and_swap<I48MODE>): Likewise.
        (sync_lock_test_and_set<I48MODE>): Likewise.
        (sync_compare_and_swap<I12MODE>): New.
        (sync_compare_and_swap<I12MODE>_1): New.
        (sync_lock_test_and_set<I12MODE>): New.
        (sync_lock_test_and_set<I12MODE>_1): New.

2005-07-09  Diego Novillo  <dnovillo@redhat.com>

        PR 21356
        PR 22332
        * passes.c (execute_todo): Cleanup the CFG before updating SSA.

2005-07-09  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
        in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).

2005-07-09  Richard SAndiford  <richard@codesourcery.com>

        PR target/21656
        * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.

2005-07-08  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/sync.md (load_locked_<mode>): Use Z for
        memory_operand constraint.
        (store_conditional_<mode>): Same.
        (sync_compare_and_swap<mode>): Same.
        (sync_lock_test_and_set<mode>): Same.

2005-07-08  Hans-Peter Nilsson  <hp@axis.com>

        Rewrite PIC support to more closely model actual instructions.
        * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
        (cris_symbol): Remove prototypes for removed functions.
        (cris_pic_symbol_type_of, cris_valid_pic_const)
        (cris_expand_pic_call_address): Prototypes for new functions.
        * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
        variable.
        (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
        modifiers.
        <case ':'>: Add case for new punctuation character.
        <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
        emitting (extra) PIC modifier.
        <case UNSPEC>: Do not assert for PLT.
        (cris_initial_frame_pointer_offset, cris_simple_epilogue)
        (cris_expand_prologue, cris_expand_epilogue): Check
        for pic_offset_table_rtx usage instead of taking
        current_function_uses_pic_offset_table as the final word.
        (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
        Remove flag_pic difference.
        (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
        the moral equivalents of...
        (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
        functions.
        (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
        (cris_handle_option): Mark ARG as unused.
        (cris_expand_pic_call_address): New worker function for "call",
        "call_value".
        (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
        output PIC constructs here.
        (cris_output_addr_const_extra): Changes for emitting PIC modifiers
        as symbol-specific modifers, not whole or part of operands.
        * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
        (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
        constants and flag_pic.
        (CONSTANT_INDEX_P): Adjust for new functions.
        (enum cris_pic_symbol_type): New helper type.
        (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
        * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
        (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
        define_constants.
        ("movsi"): Emit actual instructions for GOT and relative access.
        ("*movsi_got_load"): New pattern to set up the register holding
        the GOT pointer.
        ("*movsi_internal"): Operand 1 is not a plain general_operand.
        Adjust FIXME for 'S'.
        <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
        Use "movs" for -fpic cases.
        ("addsi3"): Add alternative for 'S'; use adds.w when possible.
        ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
        ("call", "call_value"): Just call cris_expand_pic_call_address for
        PIC addresses.
        ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
        Remove special pattern.
        ("*expanded_call_side", "*expanded_call_value_side"): New
        patterns.
        (gotplt-to-plt, gotplt-to-plt-side-call)
        (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
        peephole2:s.
        * config/cris/cris/predicates.md
        ("cris_general_operand_or_gotless_symbol"): Remove unused
        predicate.
        ("cris_general_operand_or_symbol"): Adjust for new functions.

2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.

2005-07-08  Daniel Berlin  <dberlin@dberlin.org>

        * Makefile.in (TREE_H): Add treestruct.def.
        (c-decl.o): Add pointer-set.h
        * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
        visibility on regular DECL's.
        (merge_decls): Fix the copying of decl nodes of various types for
        the new structures.  Don't update RTL, section name, weak status,
        etc, on DECL's without RTL.
        (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
        Don't check volatile on non-variable types.
        (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
        to check whether we have seen arguments.
        * c-objc-common.c (c_tree_printer): Reverse order of tests so that
        flag is checked before field (flag is common, field is not).
        * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
        TS_DECL_COMMON could have an origin.
        (add_location_or_const_value_attribute): Don't check section name
        on non-var/function decls.
        (dwarf2out_var_location): Reverse order of tests.
        * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
        with DECL_WRTL_CHECK.
        * expmed.c (make_tree): rtl is now in decl_with_rtl.
        * fold-const.c (fold_binary): Don't check weakness on
        non-var/function decls.
        (tree_expr_nonzero_p): Ditto.
        (fold_checksum_tree): Use tree_decl_extra as sizeof
        buffer.
        * ggc-page.c (extra_order_size_table): Add sizes for
        tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
        tree_field_decl.
        * gimplify.c (gimplify_bind_expr): Only set
        DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
        * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
        without RTL.
        * langhooks-def.h (LANG_HOOK_INIT_TS): New.
        * langhooks.h (init_ts). New langhook.
        * passes.c (rest_of_decl_compilation): Reverse order of tests.
        * print-tree.c (print_node): Update to only print fields that
        exist in the structures the passed decl has.
        * toplev.c (wrapup_global_declarations): Don't reset
        DECL_DEFER_OUTPUT on DECL's that don't contain it.
        * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
        * tree-inline.c (remap_decl): Ditto.
        * tree-outof-ssa.c (create_temp): Reverse order of tests.
        * tree-pretty-print.c (print_declaration): Don't print
        DECL_REGISTER on things that don't contain it.
        * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
        non-var/function decls.
        * tree.c (tree_contains_struct): New structure.
        (init_priority_for_decl): New hashtable.
        (tree_int_map): New structure.
        (tree_int_map_eq): New function.
        (tree_int_map_marked_p): Ditto.
        (tree_int_map_hash): Ditto.
        (tree_map): Move to tree.h.
        (tree_map_eq): Externalize.
        (tree_map_hash): Ditto.
        (tree_map_marked_p): Ditto.
        (init_ttree): Set up tree_contains_struct and call langhook.
        (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
        (tree_code_size): Update for new structures.
        (tree_node_structure): Update for new structures.
        (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
        without the field.
        (copy_node_stat):  Copy init priority.
        (build_decl_stat): Ditto for visibility.
        (ts_enum_names): New.
        (tree_contains_struct_check_failed): New function.
        (decl_init_priority_lookup): Ditto.
        (decl_init_priority_insert): Ditto.
        * treestruct.def: New file.
        * tree.h (CODE_CONTAINS_STRUCT): New macro.
        (CONTAINS_STRUCT_CHECK): Ditto.
        (tree_contains_struct_check_failed): New prototype.
        (DECL_CHECK): Removed.
        (DECL_MINIMAL_CHECK): New.
        (DECL_COMMON_CHECK): Ditto.
        (DECL_WRTL_CHECK): Ditto.
        (DECL_NON_COMMON_CHECK): Ditto.
        (DECL_WITH_VIS_CHECK): Ditto.
        (VAR_OR_FUNCTION_DECL_P): Ditto
        (struct tree_decl_minimal): New structure.
        (struct tree_decl_common): Ditto.
        (struct tree_decl_with_rtl): Ditto.
        (struct tree_decl_with_vis): Ditto.
        (struct tree_decl_non_common): Ditto.
        (struct tree_field_decl): Ditto.
        (struct tree_parm_decl): Ditto.
        (struct tree_var_decl): Ditto.
        (struct tree_function_decl): Ditto.
        (struct tree_const_decl): Ditto.
        (struct tree_result_decl): Ditto.
        (union tree_node): Add new structures.
        * var-tracking.c (track_expr_p): Reverse order of tests.

        * doc/c-tree.texi: Add documentation on DECL node internal structure.

2005-07-08  Kazu Hirata  <kazu@codesourcery.com>

        * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
        * system.h: Poison FINALIZE_PIC.
        * doc/tm.texi (FINALIZE_PIC): Remove.

2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/22329
        * tree-ssa-propagate.c (fold_predicate_in): Convert the value
        to the correct type if we have a MODIFY_EXPR.

2005-07-08  Kazu Hirata  <kazu@codesourcery.com>

        PR tree-optimization/22360
        * tree.c (upper_bound_in_type): Fix calculations for casting
        to a non-wider signed type and casting a signed value to a
        wider unsigned type.
        (lower_bound_in_type): Fix calculations for casting to a
        non-wider signed type.

        PR tree-optimization/20139
        * tree-cfg.c (remove_bb): Check in_ssa_p before calling
        release_defs.
        * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
        fold_cond_expr_cond.
        * tree-ssanames.c (release_defs): Assert in_ssa_p.
        * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.

2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/22356
        * tree-complex.c (expand_complex_libcall): Produce
        REALPART_EXPR/IMAGPART_EXPR with the correct type.

2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>

        * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
        bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
        b" assert and inserted fastpath code for this case.
        (bitmap_ior): Removed "a != b" assert.

2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>

        * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
        (ENDFILE_SPEC): Likewise.
        * config/m32r/m32r.h (ASM_SPEC): Likewise.

        * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
        a large stack frame at epilogue.

2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>

        * final.c: Include sdbout.h when required.

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

        * config.gcc (*-*-darwin*): Only one target-specific header file
        for generic darwin.
        (powerpc-*-darwin*): Add version-specific header files.
        * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
        * config.in: Regenerate.
        * configure: Regenerate.
        * gcc.c: Include xregex.h.
        (version_compare_spec_function): New.
        (spec_function): Add version-compare.
        (replace_outfile_spec_function): Reformat comment.
        (compare_version_strings): New.
        * config/darwin-c.c (version_as_macro): New.
        (builtin_define): New.
        (darwin_cpp_builtins): New.
        * config/darwin-protos.h (darwin_cpp_builtins): New.
        * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
        (LIB_SPEC): Make unconditional, update comment.
        (TARGET_C99_FUNCTIONS): Define.
        * config/darwin.opt: Sort.
        (mmacosx-version-min=): New.
        * config/darwin7.h: Delete.
        * config/darwin8.h: Delete.
        * config/i386/darwin.h (): Call darwin_cpp_builtins.
        * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
        (TARGET_C99_FUNCTIONS): Define.
        * config/rs6000/darwin7.h: New.
        * config/rs6000/darwin8.h: New.
        * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
        (-mmacosx-version-min): Document.

2005-07-07  Ian Lance Taylor  <ian@airs.com>

        * config/mips/mips.md (abs<mode>2) [GPR]: Remove.

2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>

        PR middle-end/22239
        * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.

2005-07-07  Khem Raj  <kraj@mvista.com>

        * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
        in bytes, not words.

2005-07-07  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
        DEFAULT_FUNCTION_ARG_PADDING to upward.

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

        * function.c (locate_and_pad_parm): Record parameter alignment in
        stack_alignment_needed.

2005-07-07  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
        UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
        (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
        UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
        (define_attr "type"): Add isync, sync, load_l, store_c.
        * config/rs6000/sync.md (memory_barrier): Change to define_expand.
        Create scratch volatile MEM.
        (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
        sync.
        (load_locked_<mode>): New.
        (store_conditional_<mode>): New.
        (sync_compare_and_swap<mode>): Replace with splitter.
        (sync_lock_test_and_set<mode>): Replace with splitter.
        (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
        and UNSPECV_ISYNC.
        (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
        is ics.  Attribute isync.
        (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
        lwsync.
        * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
        and UNSPECV_SYNC_OP.
        (emit_unlikely_jump): New.
        (emit_load_locked): New.
        (emit_store_conditional): New.
        (rs6000_split_compare_and_swap): New.
        (rs6000_split_lock_test_and_set): New.
        (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
        TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
        * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
        rs6000_split_lock_test_and_set): Declare.
        * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
        mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
        store_c, isync, sync.

2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>

        * Makefile.in (echo_quoted_to_gtyp): New template for outputing
        filenames to gtyp-gen.h.
        (s-typ-gen): Use it in place of for loops.

2005-07-07  J"orn Rennecke <joern.rennecke@st.com>

        * hooks.c (hook_bool_rtx_int_false): New function.
        * hooks.h (hook_bool_rtx_int_false): Declare.
        * target-def.h (TARGET_COMMUTATIVE_P): Define.
        (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
        * target.h (struct gcc_target): Add commutative_p member.
        * targhooks.c (hook_bool_rtx_commutative_p): New function.
        * targhooks.h (hook_bool_rtx_commutative_p): Declare.
        * pa.c (TARGET_COMMUTATIVE_P): Redefine.
        (pa_commutative_p): New function.
        * jump.c (target.h): Include.
        (rtx_renumbered_equal_p): Use targetm.commutative_p.
        * doc/tm.texi: Document TARGET_COMMUTATIVE_P.

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

        * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
        (s390_expand_setmem): New.
        * config/s390/s390.c: Likewise.
        (print_shift_count_operand): Truncate to 12 bits instead of 6.
        Adapt comments.
        * config/s390/s390.md: ("setmem<mode>"): Accept character as
        general_operand.  Call new function "s390_expand_setmem".
        ("clrmem_long", "*clrmem_long"): Rewrite to ...
        ("setmem_long", "*setmem_long"): ... this.

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

        * config/s390/s390.c: (optimization_options): Enable
        TARGET_MVCLE at -Os.
        * doc/invoke.texi: Document changes in default behaviour.
        * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".

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

        * expr.c: (set_storage_via_setmem): Convert opchar to mode
        defined by back-end.

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

        * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
        all sets in the pattern.
        * config/rs6000/rs6000.md (stack_protect_testsi,
        stack_protect_testdi): Likewise.

2005-07-06  Jeff Law  <law@redhat.com>

        * tree-vrp.c (simplify_using_ranges): Kill.
        (vrp_finalize): Remove call to simplify_using_ranges.
        (simplify_stmt_using_ranges): New function extracted from
        simplify_using_ranges.
        (simplify_div_or_mod_using_ranges): Likewise.
        (simplify_abs_using_ranges): Likewise.
        (simplify_cond_using_ranges): New function.
        * tree-flow.h (simplify_stmt_using_ranges): Prototype.
        * tree-ssa-propagate.c (substitute_and_fold): Call
        simplify_stmt_using_ranges if we have range information.

2005-07-06  James E. Wilson  <wilson@specifixinc.com>

        * config/ia64/ia64.c (ia64_reorg): Check optimize before
        ia64_flag_schedule_isns2.

        * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
        reading/writing general registers.
        (ia64_function_arg): Revert 2005-06-18 change.

2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>

        * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
        (legitimize_tls_address): Use gcc_unreachable instead of abort.

2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>

        * function.c (expand_function_end): Revert part of 2005-06-27
        patch.  Do sjlj_emit_function_exit_after after return_label.

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

        * doc/install.texi (--disable-libssp): New.

2005-07-06  Fariborz Jahanian <fjahanian@apple.com>

        * doc/invoke.texi: Update -fforce-mem documentation.
        * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
        code for -fforce-mem.
        * expmed.c: (store_bit_field,store_fixed_bit_field,
        extract_bit_field): Ditto.
        * expr.c: (convert_move): Ditto.
        * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
        expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
        emit_conditional_add,expand_float,expand_fix): Ditto.
        * opts.c: (decode_options): Remove setting of flag_force_mem flag.
        (common_handle_option): Issue warning when -fforce-mem specified.

2005-07-06  Paul Brook  <paul@codesourcery.com>

        * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
        argument is empty.
        * configure: Regenerate.

2005-07-06  J"orn Rennecke <joern.rennecke@st.com>

        * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.

2005-07-06  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/22319
        Fix PR tree-optimization/22140
        Fix PR tree-optimization/22310

        * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
        variable sized types.
        Use correct type for intermediate structure on *a = *b structure
        copies.

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

        * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
        Remove.
        (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
        (machine_function): Move typedef to...
        * config/rs6000/rs6000.c (machine_function): ... here.  Add
        varargs_save_offset field.
        (rs6000_stack_t): Remove varargs_size field.
        (setup_incoming_varargs): Allocate varargs save area using
        assign_stack_local, try to make it as small as possible.
        Save offset from virtual_stack_vars_rtx to the save area
        in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
        instead of magic 8 when fp word byte size is used.
        (rs6000_va_start): Use cfun->machine->varargs_save_offset
        instead of -RS6000_VARARGS_SIZE.
        (rs6000_stack_info, debug_stack_info,
        rs6000_initial_elimination_offset): Remove all traces of
        varargs_size.
        * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
        * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
        RS6000_VARARGS_AREA.

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

        PR tree-optimization/21963
        * tree-ssa-loop-ivopts.c (get_computation_aff): Use
        constant_multiple_of in the same way get_computation_cost_at does.

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

        * config/sparc/sparc.h (sparc_compare_emitted): New extern.
        * config/sparc/sparc.c (sparc_compare_emitted): New variable.
        (gen_compare_reg): If sparc_compare_emitted is set, clear it
        and return its previous value.
        (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
        * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
        constants.
        (stack_protect_set, stack_protect_test): New expanders.
        (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
        stack_protect_testdi): New insns.
        * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
        * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.

2005-07-06  Jeff Law  <law@redhat.com>

        * tree-ssa-dce.c (cfg_altered): New global.
        (tree_dce_init): Initialize cfg_altered.
        (remove_dead_stmt): If we remove an edge in the CFG, then set
        CFG_ALTERED.
        (perform_tree_ssa_dce): If we altered the CFG, then invalidate
        the dominators.

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

        * Makefile.in (stamp-collect-ld): Use
        $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
        ./collect-ld if it already exists.
        (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
        Don't remove ./nm if it already exists.

2005-07-05  Devang Patel  <dpatel@apple.com>

        * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
        (LOOP_VINFO_LOC, LOOP_LOC): Remove.
        * tree-vectorizer.c (vect_loop_location): New.
        (vect_print_dump_info): Use vect_loop_location.
        (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
        (vectorize_loops): Set vect_loop_location.
        * tree-vect-analyze.c (vect_analyze_offset_expr,
        vect_determin_vectorization_factor, vect_analyze_operations,
        vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
        vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
        vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
        vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
        vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
        vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
        vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
        vect_analyze_loop): Adjust vect_print_dump_info API.
        * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
        vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
        vect_finish_stmt_generation, vectorizable_assignment,
        vectorizable_operation, vectorizable_store, vectorizable_load,
        vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
        vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
        vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
        vect_transform_loop): Same.
        * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
        vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
        Same.

2005-07-05  Randolph Chung  <tausq@debian.org>

        * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
        * configure: Regenerate.
        * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
        (pa_tls_referenced_p): Declare.
        * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
        (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
        (legitimize_tls_address): New.
        (hppa_legitimize_address): Handle TLS addresses.
        (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
        (TARGET_CANNOT_FORCE_CONST_MEM): Define.
        (emit_move_sequence): Handle TLS addresses.
        (pa_encode_section_info): Call default handler to handle common
        sections.
        * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
        (CONSTANT_ADDRESS_P): Reject TLS operands.
        (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
        * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
        (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
        (UNSPEC_TLSLE): Define new constants.
        (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
        * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
        (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
        (tie_symbolic_operand, tle_symbolic_operand): New

2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>

        * aclocal.m4: Update macros for autoconf 2.59 style.
        * configure.ac: Likewise.

2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (function_value): Handle small aggregates on 32-bit targets.
        (function_arg): Pass small aggregates in general registers on 32-bit
        targets.
        * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.

2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>

        * Makefile.in (final.o): Fix dependencies.

2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/22013
        PR c/22098
        * langhooks.h (struct lang_hooks): Add expr_to_decl.
        * langhooks.c (lhd_expr_to_decl): New.
        * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
        New.
        (LANG_HOOKS_INITIALIZER): Update.
        * tree.c (recompute_tree_invarant_for_addr_expr): Call
        expr_to_decl langhook.
        * c-tree.h (c_expr_to_decl): Declare.
        * c-typeck.c (c_expr_to_decl): New.
        (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
        specially.
        * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.

2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/22308
        * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
        C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.

2005-07-05  Paolo Bonzini  <bonzini@gnu.org>

        * Makefile.in: Adjust dependencies.
        * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
        * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
        * alias.c (rest_of_handle_cfg, pass_cfg): New.
        * bb-reorder.c (duplicate_computed_gotos): Make it static.
        * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
        rest_of_compilation.

        * bb-reorder.c (gate_duplicate_computed_gotos,
        pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
        rest_of_handle_reorder_blocks, pass_reorder_blocks,
        gate_handle_partition_blocks, rest_of_handle_partition_blocks,
        pass_partition_blocks): New.
        * bt-load.c (gate_handle_branch_target_load_optimize,
        rest_of_handle_branch_target_load_optimize,
        pass_branch_target_load_optimize): New.
        * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
        pass_jump2): New.
        * cfglayout.c (pass_insn_locators_initialize): New.
        * cfgrtl.c (pass_free_cfg): New.
        * combine.c (gate_handle_combine, rest_of_handle_combine,
        pass_combine): New.
        * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
        gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
        * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
        * except.c (pass_set_nothrow_function_flags,
        pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
        pass_rtl_eh): New.
        * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
        rest_of_handle_shorten_branches, pass_shorten_branches,
        rest_of_clean_state, pass_clean_state): New.
        * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
        rest_of_handle_remove_death_notes, pass_remove_death_notes,
        rest_of_handle_life, pass_life, rest_of_handle_flow2,
        pass_flow2): New.
        * function.c (pass_instantiate_virtual_regs, pass_init_function,
        rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
        * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
        pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
        pass_gcse): New.
        * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
        * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
        pass_rtl_ifcvt, gate_handle_if_after_combine,
        rest_of_handle_if_after_combine, pass_if_after_combine,
        gate_handle_if_after_reload, rest_of_handle_if_after_reload,
        pass_if_after_reload): New.
        * integrate.c (pass_initial_value_sets): New.
        * jump.c (pass_cleanup_barriers, purge_line_number_notes,
        pass_purge_lineno_notes): New.
        * mode-switching.c (rest_of_handle_mode_switching,
        pass_mode_switching): New.
        * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
        * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
        pass_loop2): New.
        * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
        pass_loop_optimize): New.
        * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
        pass_sms): New.
        * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
        pass_gcse2): New.
        * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
        pass_postreload_cse): New.
        * profile.c (gate_handle_profiling, pass_profiling,
        rest_of_handle_branch_prob, pass_branch_prob): New.
        * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
        pass_split_before_regstack, gate_handle_split_before_regstack,
        gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
        rest_of_handle_split_all_insns, pass_split_all_insns): New.
        * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
        pass_stack_regs): New.
        * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
        gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
        pass_stack_adjustments): New.
        * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
        pass_regrename): New.
        * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
        pass_delay_slots, gate_handle_machine_reorg,
        rest_of_handle_machine_reorg, pass_machine_reorg): New.
        * rtl.h (extern void purge_line_number_notes): New.
        * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
        gate_handle_sched2, rest_of_handle_sched2, pass_sched,
        pass_sched2): New.
        * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
        pass_tracer): New.
        * value-prof.c (gate_handle_value_profile_transformations,
        rest_of_handle_value_profile_transformations,
        pass_value_profile_transformations): New.
        * var-tracking.c (gate_handle_var_tracking,
        pass_variable_tracking): New.
        * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.

        * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
        rest_of_handle_delay_slots, rest_of_handle_stack_regs,
        rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
        rest_of_handle_old_regalloc, rest_of_handle_regrename,
        rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
        rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
        rest_of_handle_gcse2, rest_of_handle_regmove,
        rest_of_handle_tracer, rest_of_handle_if_conversion,
        rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
        rest_of_handle_web, rest_of_handle_branch_prob,
        rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
        rest_of_handle_jump_bypass, rest_of_handle_combine,
        rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
        rest_of_handle_gcse, rest_of_handle_loop_optimize,
        rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
        rest_of_handle_mode_switching, rest_of_handle_jump,
        rest_of_handle_eh, rest_of_handle_stack_adjustments,
        rest_of_handle_flow2, rest_of_handle_jump2,
        rest_of_handle_peephole2, rest_of_handle_postreload,
        rest_of_handle_shorten_branches, rest_of_clean_state,
        rest_of_compilation): Remove.

        * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
        * passes.c (dump_flags, in_gimple_form, all_passes,
        all_ipa_passes, all_lowering_passes, register_one_dump_file,
        register_dump_files, next_pass_1, last_verified, execute_todo,
        execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
        from tree-optimize.c.
        (init_optimization_passes): Moved from tree-optimize.c,
        adding the RTL optimizations.
        * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
        * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
        all_ipa_passes, all_lowering_passes, register_one_dump_file,
        register_dump_files, next_pass_1, last_verified, execute_todo,
        execute_one_pass, execute_pass_list, execute_ipa_pass_list,
        init_tree_optimization_passes, ipa_passes): Delete.
        * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
        the RTL dumps.
        (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
        dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
        from tree.h.
        (ipa_passes): Remove.
        (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
        * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
        dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
        dump_switch_p, dump_flag_name): Moved to tree-pass.h.
        (dump_info_p, dump_flag): Moved to tree-dump.h.

        * Makefile.in: Adjust dependencies for tree-pretty-print.c,
        cgraph.c, opts.c.
        * passes.c (finish_optimization_passes): Use dump_begin
        and dump_end, TDI_end.
        (gate_rest_of_compilation): New.
        (pass_rest_of_compilation): Use it.
        (gate_postreload, pass_postreload): New.
        * toplev.c (general_init): Rename init_tree_optimization_passes.
        * toplev.h (init_tree_optimization_passes): Rename to
        init_optimizations_passes.
        * tree-dump.c (dump_flag): Make static.
        (dump_files): Remove RTL dumps.
        * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
        pass_cleanup_cfg, pass_free_cfg_annotations,
        pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
        pass_init_datastructures, pass_fixup_cfg): Make non-static.
        * tree-pretty-print.c: Include tree-pass.h.
        * cgraph.c: Include tree-dump.h.

2005-07-04  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
        Only fall back to saying it points to readonly memory if
        we can't do better.

2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>

        * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
        * config/m32r/m32r.c (m32r_compute_frame_size,
        m32r_expand_prologue): Take current_function_profile into
        account whenever we reference
        current_function_uses_pic_offset_table.
        (m32r_finalize_pic): Remove.
        * config/m32r/m32r.h (FINALIZE_PIC): Likewise.

2005-07-05  Kazu Hirata  <kazu@codesourcery.com>

        * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
        instead of $<.  Don't remove ./as if it already exists.

2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/21723
        * pa.md: Remove fcpy alternative from movhi and movqi patterns.
        * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
        for complex modes when generating code for PA 1.0.
        (VALID_FP_MODE_P): New macro.
        (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
        sets for all general and floating point modes.  Align wide floating
        point modes to even register boundaries to comply with architectural
        requirements.
        (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
        * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
        (VALID_FP_MODE_P): New macro.
        (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
        sets for all general and floating point modes.  Align wide floating
        point modes to even register boundaries to comply with architectural
        requirements.

2005-07-04  Diego Novillo  <dnovillo@redhat.com>

        * tree-dump.c (dump_files): Initialize dump number for .cgraph
        to 0.

2005-07-04  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa-structalias.c: Don't include expr.h.

2005-07-04  Diego Novillo  <dnovillo@redhat.com>

        * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
        comments.

2005-07-04  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/22279

        * tree-ssa-structalias.c (offset_overlaps_with_access): Use
        correct operator.

2005-07-04  J"orn Rennecke <joern.rennecke@st.com>

        * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".

2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>

        * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
        cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
        config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
        config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
        config/stormy16/stormy16.c, config/v850/v850.c,
        config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
        except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
        Avoid "." or "\n" at end of diagnostics and capital letters at
        start of diagnostics.
        * combine.c, cse.c: Don't translate dump file output.
        * toplev.c (print_version): Only translate output if going to
        stderr.

2005-07-03  Kazu Hirata  <kazu@codesourcery.com>

        * c-decl.c, tree-object-size.c, tree-vectorizer.c,
        config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
        typos.

2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (fix_range): Fix typo in comment.

2005-07-03  Kazu Hirata  <kazu@codesourcery.com>

        * tree-vrp.c (extract_range_from_assert): Replace
        fold (build (...)) with fold_build2.

2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
        gcc_gfc_char_table, init_dynamic_gfc_info): New.
        (format_types_orig, handle_format_attribute): Add support for
        format "gcc_gfc".

2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * varasm.c (assemble_variable): Fix format specifier thinko.

2005-07-03  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/22029 (and 22135)
        * tree-pretty-print.c (dump_generic_node): Check that the node is not
        a phi node before calling dump_vops.

2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * tree-dump.h (dump_string_field): Declare.
        * tree-dump.c: Use it instead of dump_string.
        (dump_string_field): Make non-static.

2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
        up the minimal CFG stuff always when optimize > 0.  Call
        split_all_insns_noflow in PIC case if needed.

2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
            Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>

        PR c++/18279
        * c-decl.c (c_write_global_declarations): Dump contents of
        external scope to.
        * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
        <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
        <GOTO_EXPR>, <SWITCH_EXPR>: Add.
        (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
        is enabled.

2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>

        * c-common.h (GCC_DIAG_STYLE): Define.
        * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
        version for format checking to 4.1.
        * c-format.c: Include toplev.h after c-common.h.
        (enum format_type): Add gcc_tdiag_format_type.
        (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
        gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
        (format_types_orig): Add gcc_tdiag.
        (init_dynamic_diag_info): Support gcc_tdiag formats.
        (handle_format_attribute): Likewise.
        * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
        (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
        version for format checking to 4.1.
        (warning0, warning, error, pedwarn, sorry): Use
        ATTRIBUTE_GCC_DIAG.
        * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
        (finish_aliases_1): Do not use %qE.
        * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
        config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
        Correct format bugs.
        * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
        parameter to unsigned HOST_WIDE_INT.
        * config/v850/v850.c (v850_output_aligned_bss): Likewise.

2005-07-02  David Edelsohn  <edelsohn@gnu.org>

        PR middle-end/21742
        * expr.c (write_complex_part): Use adjust_address for MEM.
        (read_complex_part): Same.

2005-07-02  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/22280

        * tree-sra.c (generate_element_init): Remove useless loop.

2005-07-02  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_legitimize_address): Check for
        TLS_MODEL_NONE.
        (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.

2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/14490
        * fold-const.c (fold_binary): Handle the return value of
        fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
        Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".

2005-07-02  Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
        a eliminate type conversion which feeds an equality comparison
        if the original type or either operand in the comparison is a
        function pointer.

2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>

        * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
        config/rs6000/rs6000.opt, params.def: Remove "." from end of help
        texts.
        * config/avr/avr.c: Do not use '`' as left quote.
        * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
        Remove "." from end of diagnostics.  Make diagnostics start with
        lowercase letter.

2005-07-02  Zack Weinberg  <zack@codesourcery.com>
            Joseph S. Myers  <joseph@codesourcery.com>

        * toplev.c (default_tree_printer): Handle setting location with
        '+' flag.
        * c-objc.common.c (c_tree_printer): Likewise.
        * c-format.c (gcc_diag_flag_specs): Add '+'.
        (gcc_cdiag_char_table): Allow '+' flag for tree formats.
        (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
        formats.
        * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
        config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
        config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
        config/v850/v850.c, function.c, stor-layout.c, toplev.c,
        tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
        instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
        of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
        format arguments where %J is used without %D.

2005-07-02  Jakub Jelinek  <jakub@redhat.com>

        * gcc.c (LINK_SSP_SPEC): Define.
        (link_ssp_spec): New variable.
        (LINK_COMMAND_SPEC): Add %(link_ssp).
        (static_specs): Add link_ssp_spec.
        * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
        * configure: Rebuilt.
        * config.in: Rebuilt.

        * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
        * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
        * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
        * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
        * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
        If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
        -0x7008(2) instead of reading __stack_chk_guard variable.
        * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
        number.
        (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
        (stack_protect_set, stack_protect_test): Use *_tls* patterns
        if TARGET_THREAD_SSP_OFFSET is defined.
        (stack_tls_protect_set_si, stack_tls_protect_set_di,
        stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.

        Revert:
        2005-06-27  Richard Henderson  <rth@redhat.com>
        * libgcc-std.ver (GCC_4.1.0): New.
        * libgcc.h (__stack_chk_guard): Declare.
        (__stack_chk_fail, __stack_chk_fail_local): Declare.
        * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
        * mklibgcc.in (lib2funcs): Add them.

2005-07-01  Richard Henderson  <rth@redhat.com>

        * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
        void * before struct sigcontext *.
        (x86_fallback_frame_state): Likewise.

2005-07-01  James E. Wilson  <wilson@specifixinc.com>

        * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.

2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/22269
        * tree-ssa-reassoc.c (should_transpose): Fix which operand
        we check for SSA_NAME for.

2005-07-01  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/22071

        * tree-ssa-structalias.c (offset_overlaps_with_access): New
        function.
        (get_constraint_for_component_ref): Use it.

2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>

        PR other/22264
        * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
        print out the last new line.

2005-07-01  Hans-Peter Nilsson  <hp@axis.se>

        * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
        Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
        * config/cris/cris.c (cris_conditional_register_usage): Adjust
        reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
        (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
        (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
        * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
        (enum reg_class): New member CC0_REGS.
        (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
        (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
        (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
        (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
        (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
        Adjust for register now described.

2005-07-01  Jakub Jelinek  <jakub@redhat.com>

        PR target/22262
        * config/i386/i386.md (stack_protect_test_si,
        stack_protect_test_di): Add earlyclobber for scratch 3.
        * config/rs6000/rs6000.md (stack_protect_testsi,
        stack_protect_testdi): Add earlyclobber for scratch 3,
        remove earlyclobber from scratch 4.

Older entries for 2005 can be found in ChangeLog-2005.