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* function.c (use_return_register): Make it static.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
index e42b704..5499baa 100644 (file)
@@ -1,3 +1,557 @@
+2006-03-05  Kazu Hirata  <kazu@codesourcery.com>
+
+       * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
+       Remove.
+       * basic-block.h: Remove the extern for
+       rediscover_loops_after_threading.
+
+       * cfgloop.c (cancel_loop): Make it static.
+       * cfgloop.h: Remove the prototype for cancel_loop.
+
+       * flow.c (recompute_reg_usage): Make it static.
+       * rtl.h: Remove the prototype for recompute_reg_usage.
+
+       * function.c (use_return_register): Make it static.
+       * function.h: Remove the prototype.
+
+2006-03-05  Kazu Hirata  <kazu@codesourcery.com>
+
+       * recog.c (volatile_mem_p, validate_change_maybe_volatile):
+       Remove.
+       * recog.h: Remove the prototype for
+       validate_change_maybe_volatile.
+
+2006-03-05  Kazu Hirata  <kazu@codesourcery.com>
+
+       * rtlanal.c (replace_reg): Remove.
+       * rtl.h: Remove the prototype for replace_reg.
+
+2006-03-05  Kazu Hirata  <kazu@codesourcery.com>
+
+       * regclass.c (reg_scan_update): Remove.
+       (reg_scan_mark_refs): Remove the last argument.
+       * rtl.h: Remove the prototype for reg_scan_update.
+
+2006-03-04  Kazu Hirata  <kazu@codesourcery.com>
+
+       * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
+       combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
+       config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
+       config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
+       df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
+       loop-invariant.c, omp-low.c, opts.c, passes.c,
+       rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
+       tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
+       tree-ssa-structalias.c, tree-ssa-threadedge.c,
+       tree-ssa-threadupdate.c, tree-vect-patterns.c,
+       tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
+       unwind-dw2.c: Fix comment typos.  Follow spelling conventions.
+
+2006-03-04  Kazu Hirata  <kazu@codesourcery.com>
+
+       * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
+       * dwarf2out.h: Remove the prototype for
+       dwarf2out_add_library_unit_info.
+
+2006-03-04  Kazu Hirata  <kazu@codesourcery.com>
+
+       * tree.c (add_var_to_bind_expr): Remove.
+       * tree.h: Remove the prototype for add_var_to_bind_expr.
+
+2006-03-04  Kazu Hirata  <kazu@codesourcery.com>
+
+       * regclass.c (n_non_fixed_regs): Remove.
+       (init_reg_sets_1, globalize_reg): Remove all uses of
+       n_non_fixed_regs.
+       * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
+
+2006-03-04  Kazu Hirata  <kazu@codesourcery.com>
+
+       * rtlanal.c (insns_safe_to_move_p): Remove.
+       * rtl.h: Remove the prototype for insns_safe_to_move_p.
+
+2006-03-04  Kazu Hirata  <kazu@codesourcery.com>
+
+       * expmed.c (expand_mult_add): Remove.
+       * expr.h: Remove the prototype for expand_mult_add.
+
+2006-03-04  Jakub Jelinek  <jakub@redhat.com>
+
+       * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
+       and REG_SAVED_VAL_EXP constants.
+       * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
+       (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
+       Handle regs stored by value.
+       (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
+       (execute_cfa_program): Handle DW_CFA_val_offset,
+       DW_CFA_val_offset_sf and DW_CFA_val_expression.
+       (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
+       value specially.  Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
+       (uw_install_context_1): Handle target regs stored by value.
+
+2006-03-03  Daniel Berlin  <dberlin@dberlin.org>
+
+       * tree-sra.c (tree_sra): Return todoflags;
+       (generate_one_element): Set TODO_update_smt_usage if needed.
+       (pass_sra): Remove TODO_update_smt_usage.
+       * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
+       parameter.
+       (tree_ssa_forward_propagate_single_use_vars): Return
+       TODO_update_smt_usage if we need to update SMT usage.
+       (pass_forwprop): Remove TODO_update_smt_usage.
+       
+2006-03-03  Diego Novillo  <dnovillo@redhat.com>
+
+       * tree-ssa-operands.c: Tidy whitespace.  Fix spelling.
+       (correct_use_link): Remove reference to get_stmt_operands.
+       (update_stmt_operands): Likewise.
+       (get_modify_expr_operands): New function factored out of
+       parse_ssa_operands and get_expr_operands.
+       Try to create V_MUST_DEFs for LHS by default.
+       (get_expr_operands) <case MODIFY_EXPR>: Call
+       get_modify_expr_operands.
+       <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
+       <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
+       (parse_ssa_operands) <case MODIFY_EXPR>: Call
+       get_modify_expr_operands.
+
+2006-03-03  Kazu Hirata  <kazu@codesourcery.com>
+
+       * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
+       * tree-flow.h: Remove the prototype for
+       referenced_var_lookup_if_exists.
+
+2006-03-03  Steve Ellcey  <sje@cup.hp.com>
+
+       PR rtl-optimization/26345
+       PR target/19061
+       * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
+
+2006-03-03  Roger Sayle  <roger@eyesopen.com>
+
+       PR tree-optimization/26524
+       * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
+       fold_convert to create a constant of the appropriate type.
+
+2006-03-03  Richard Sandiford  <richard@codesourcery.com>
+
+       * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
+       SYMBOL_REF_IN_BLOCK_P.
+       * doc/rtl.texi: Likewise.  Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
+       of SYMBOL_FLAG_IN_BLOCK.
+       * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
+       instead of SYMBOL_REF_IN_BLOCK_P.
+       * explow.c (use_anchored_address): Likewise.
+       * rtl.c (rtx_size): Likewise.
+       * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
+       instead of SYMBOL_FLAG_IN_BLOCK.
+       (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
+       SYMBOL_REF_IN_BLOCK_P.
+       (assemble_variable): Likewise.
+       (output_constant_def_contents): Likewise.
+       (output_constant_pool): Likewise.
+       (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
+       instead of SYMBOL_FLAG_IN_BLOCK.
+       * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
+       SYMBOL_REF_IN_BLOCK_P.
+       (SYMBOL_REF_BLOCK): Likewise.
+       (SYMBOL_REF_OFFSET): Likewise.
+       (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
+       SYMBOL_REF_IN_BLOCK_P.
+       (SYMBOL_FLAG_IN_BLOCK): Replace with...
+       (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
+       (SYMBOL_REF_IN_BLOCK_P): Replace with...
+       (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
+
+2006-03-03  Jakub Jelinek  <jakub@redhat.com>
+
+       * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
+
+2006-03-02  Roger Sayle  <roger@eyesopen.com>
+
+       * simplify-rtx.c (simplify_unary_operation): When simplifying
+       (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
+       that we perform the right shift in the appropriate mode, and
+       then extend or truncate the result to requested mode.
+
+2006-03-03  Zdenek Dvorak <dvorakz@suse.cz>
+
+       * gengtype.c (main): Handle double_int type.
+       * tree.h (struct tree_int_cst): Make type of int_cst double_int.
+       * double-int.c: New file.
+       * double-int.h: New file.
+       * system.h: Include doubleint.h.
+       * Makefile.in (SYSTEM_H): Include double-int.h.
+       (double-int.o): Add.
+
+2006-03-03  Joseph S. Myers  <joseph@codesourcery.com>
+
+       PR bootstrap/26478
+       * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
+       copying over it.
+
+2006-03-02  Zdenek Dvorak <dvorakz@suse.cz>
+
+       * tree-vrp.c (remove_range_assertions): Do not update statements
+       unnecessarily.
+
+2006-03-02  Zdenek Dvorak <dvorakz@suse.cz>
+
+       * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
+       cleanup.
+       * gcse.c (rest_of_handle_gcse): Ditto.
+       * except.c (gate_handle_eh): Ditto.
+       * cfgcleanup.c (rest_of_handle_jump2): Ditto.
+       * basic-block.h (CLEANUP_PRE_LOOP): Remove.
+
+2006-03-02  Eric Christopher  <echristo@apple.com>
+
+       * config/i386/i386.c (machopic_output_stub): Add indirection to
+       jump.
+
+2006-03-02  Zdenek Dvorak <dvorakz@suse.cz>
+
+       * loop.c: Removed.
+
+2006-03-02  David S. Miller  <davem@sunset.davemloft.net>
+
+       Sun Niagara specific optimizations.
+       * config.gcc: Recognize niagara as target.
+       * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
+       (TARGET_CPU_niagara): Define.
+       (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
+       (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
+       (CPP_CPU_SPEC): Handle -mcpu=niagara.
+       (ASM_CPU_SPEC): Likewise.
+       (PROCESSOR_NIAGARA): New enum entry.
+       (REGISTER_MOVE_COST): Handle Niagara.
+       (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
+       * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
+       (sparc_override_options): Recognize "niagara", set appropriate
+       default MASK_* values for it, and align functions to 32-bytes
+       by default just like ULTRASPARC/ULTRASPARC3.
+       (sparc_initialize_trampoline): Handle niagara like ultrasparc.
+       (sparc64_initialize_trampoline): Likewise.
+       (sparc_use_sched_lookahead): Use zero for niagara.
+       (sparc_issue_rate): Use one for niagara.
+       * config/sparc/niagara.md: New file.
+       * config/sparc/sparc.md: Include it.
+       * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
+       ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
+       when default cpu is niagara.
+       (CPP_CPU_SPEC): Handle -mcpu=niagara.
+       (ASM_CPU_SPEC): Likewise.
+       * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
+       when default cpu is niagara.
+       (ASM_CPU_SPEC): Handle -mcpu=niagara.
+       * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
+       just like v9/ultrasparc/ultrasparc3.
+       * doc/invoke.texi: Add documentation for "niagara" and improve
+       existing documentation for ultrasparc variants.
+
+2006-03-02  Diego Novillo  <dnovillo@redhat.com>
+
+       * tree-ssa-operands.c (update_stmt_operands): Update documentation.
+
+2006-03-02  Richard Sandiford  <richard@codesourcery.com>
+
+       * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
+       (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
+       and say that only one is needed.
+       * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
+       * target.h (have_switchable_bss_sections): New hook.
+       * explow.c (use_anchored_address): Check that the symbol is in a block.
+       * varasm.c (tls_comm_section, comm_section, lcomm_section)
+       (bss_noswitch_section): New variables.
+       (get_unnamed_section): Add SECTION_UNNAMED to the flags.
+       (get_noswitch_section): New function.
+       (get_block_for_section): Allow SECT to be null.
+       (unlikely_text_section_p): Use SECTION_STYLE.
+       (bss_initializer_p): New function.
+       (get_variable_section): Move earlier in file.  Take a new argument,
+       prefer_noswitch_p.  Move bss checks from assemble_variable to here.
+       Return one of the new *_sections in such cases.
+       (get_block_for_decl): New function, extracting some logic from
+       use_blocks_for_decl_p.
+       (change_symbol_section): Remove in favor of...
+       (change_symbol_block): ...this new function.
+       (use_blocks_for_decl_p): Remove checks now performed by
+       get_block_for_decl.
+       (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
+       (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
+       (emit_local, emit_bss, emit_common): ...these new functions.
+       Return true if the alignment was honored.
+       (emit_tls_common): New function.
+       (asm_emit_uninitialised): Delete.
+       (assemble_variable_noswitch): New function, split out from...
+       (assemble_variable): ...here.  Don't make decisions about common
+       variables here.  Globalize all public decls that go into non-common
+       sections.  Check whether SYMBOL_REF_BLOCK is null.
+       (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
+       (output_constant_pool): Likewise.
+       (init_varasm_once): Initialize the new section variables.
+       (have_global_bss_p): New function.
+       (categorize_decl_for_section): Use bss_initializer_p.
+       (switch_to_section): Use SECTION_STYLE.  Abort for SECTION_NOSWITCH.
+       (place_block_symbol): Assert that the symbol must be in a block.
+       * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
+       (TARGET_INITIALIZER): Include it.
+       * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
+       * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
+       (SECTION_MACH_DEP): Bump by two.
+       (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
+       (unnamed_section): Mention SECTION_UNNAMED in comment.
+       (named_section): Likewise SECTION_NAMED.
+       (noswitch_section_callback): New type.
+       (noswitch_section): New structure.
+       (section): Add a noswitch_section alternative.
+       (SECTION_STYLE): New macro.
+       (tls_comm_section, comm_section, lcomm_section): Declare.
+       (bss_noswitch_section, have_global_bss_p): Declare.
+       * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
+       * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
+       Override.
+       * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
+       * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
+       Override.
+
+2006-03-02  Daniel Berlin <dberlin@dberlin.org>
+
+       * gcc/tree-vrp.c (execute_vrp): Return value.
+       * gcc/regrename.c (rest_of_handle_regrename): Ditto.
+       * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
+       * gcc/tree-complex.c (tree_lower_complex): Ditto.
+       (tree_lower_complex_O0): Ditto.
+       * gcc/tracer.c (rest_of_handle_tracer): Ditto.
+       * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
+       * gcc/postreload.c (rest_of_handle_postreload): Ditto.
+       * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
+       (execute_tail_calls): Ditto.
+       * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
+       * gcc/tree.h (init_function_for_compilation): Ditto.
+       * gcc/ipa-cp.c (ipcp_driver): Ditto.
+       * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
+       * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
+       * gcc/final.c (compute_alignments): Ditto.
+       (rest_of_handle_final): Ditto.
+       (rest_of_handle_shorten_branches): Ditto.
+       (rest_of_clean_state): Ditto.
+       * gcc/omp-low.c (execute_expand_omp): Ditto.
+       (execute_lower_omp): Ditto.
+       * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
+       * gcc/ipa-reference.c (static_execute): Ditto.
+       * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
+       * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
+       (rest_of_handle_machine_reorg): Ditto.
+       * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
+       * gcc/flow.c (recompute_reg_usage): Ditto.
+       (rest_of_handle_remove_death_notes): Ditto.
+       (rest_of_handle_life): Ditto.
+       (rest_of_handle_flow2): Ditto.
+       * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
+       * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
+       (do_ssa_store_ccp): Ditto.
+       (execute_fold_all_builtins): Ditto.
+       * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
+       * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
+       * gcc/ipa-pure-const.c (static_execute): Ditto.
+       * gcc/cse.c (rest_of_handle_cse): Ditto.
+       (rest_of_handle_cse2): Ditto.
+       * gcc/web.c (rest_of_handle_web): Ditto.
+       * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
+       * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
+       * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
+       * gcc/tree-nrv.c (tree_nrv): Ditto.
+       (execute_return_slot_opt): Ditto.
+       * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
+       (create_structure_vars): Ditto.
+       * gcc/loop-init.c (rtl_loop_init): Ditto.
+       (rtl_loop_done): Ditto.
+       (rtl_move_loop_invariants): Ditto.
+       (rtl_unswitch): Ditto.
+       (rtl_unroll_and_peel_loops): Ditto.
+       (rtl_doloop): Ditto.
+       * gcc/gimple-low.c (lower_function_body): Ditto.
+       (mark_used_blocks): Ditto.
+       * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
+       * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
+       (cgraph_early_inlining): Ditto.
+       * gcc/global.c (rest_of_handle_global_alloc): Ditto.
+       * gcc/jump.c (cleanup_barriers): Ditto.
+       (purge_line_number_notes): Ditto.
+       * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
+       (rest_of_handle_if_after_reload): Ditto.
+       * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
+       (tree_ssa_loop_im): Ditto.
+       (tree_ssa_loop_unswitch): Ditto.
+       (tree_vectorize): Ditto.
+       (tree_linear_transform): Ditto.
+       (tree_ssa_loop_ivcanon): Ditto.
+       (tree_ssa_empty_loop): Ditto.
+       (tree_ssa_loop_bounds): Ditto.
+       (tree_complete_unroll): Ditto.
+       (tree_ssa_loop_prefetch): Ditto.
+       (tree_ssa_loop_ivopts): Ditto.
+       (tree_ssa_loop_done): Ditto.
+       * gcc/predict.c (tree_estimate_probability): Ditto.
+       * gcc/recog.c (split_all_insns_noflow): Ditto.
+       (rest_of_handle_peephole2): Ditto.
+       (rest_of_handle_split_all_insns): Ditto.
+       * gcc/tree-eh.c (lower_eh_constructs): Ditto.
+       * gcc/regmove.c (rest_of_handle_regmove): Ditto.
+       (rest_of_handle_stack_adjustments): Ditto.
+       * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
+       * gcc/function.c (instantiate_virtual_regs): Ditto.
+       (init_function_for_compilation): Ditto.
+       (rest_of_handle_check_leaf_regs): Ditto.
+       * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
+       (rest_of_handle_gcse): Ditto.
+       * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
+       * gcc/alias.c (rest_of_handle_cfg): Ditto.
+       * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
+       * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
+       * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
+       * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
+       * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
+       * gcc/tree-dfa.c (find_referenced_vars): Ditto.
+       * gcc/except.c (set_nothrow_function_flags): Ditto.
+       (convert_to_eh_region_ranges): Ditto.
+       (rest_of_handle_eh): Ditto.
+       * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
+       (remove_unnecessary_notes): Ditto.
+       * gcc/except.h (set_nothrow_function_flags): Ditto.
+       (convert_to_eh_region_ranges): Ditto.
+       * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
+       * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
+       * gcc/tree-ssa-pre.c (do_pre): Ditto.
+       (execute_fre): Ditto.
+       * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
+       (rest_of_handle_jump2): Ditto.
+       * gcc/tree-sra.c (tree_sra): Ditto.
+       * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
+       (execute_mudflap_function_decls): Ditto.
+       * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
+       (do_store_copy_prop): Ditto.
+       * gcc/ipa-prop.h (ipcp_driver): Ditto.
+       * gcc/cfglayout.c (insn_locators_initialize): Ditto.
+       * gcc/tree-ssa-forwprop.c
+       (tree_ssa_forward_propagate_single_use_vars): Ditto.
+       * gcc/cfglayout.h (insn_locators_initialize): Ditto.
+       * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
+       * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
+       (execute_late_warn_uninitialized): Ditto.
+       * gcc/rtl.h (cleanup_barriers): Ditto.
+       (split_all_insns_noflow): Ditto.
+       (purge_line_number_notes): Ditto.
+       (unshare_all_rtl): Ditto.
+       (remove_unnecessary_notes): Ditto.
+       (recompute_reg_usage): Ditto.
+       (variable_tracking_main): Ditto.
+       * gcc/integrate.c (emit_initial_value_sets): Ditto.
+       * gcc/integrate.h (emit_initial_value_sets): Ditto.
+       * gcc/tree-optimize.c (execute_free_datastructures): Ditto
+       (execute_free_cfg_annotations): Ditto.
+       (execute_fixup_cfg): Ditto.
+       (execute_cleanup_cfg_pre_ipa): Ditto.
+       (execute_cleanup_cfg_post_optimizing): Ditto.
+       (execute_init_datastructures): Ditto.
+       * gcc/tree-object-size.c (compute_object_sizes): Ditto.
+       * gcc/combine.c (rest_of_handle_combine): Ditto.
+       * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
+       * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
+       (rest_of_handle_reorder_blocks): Ditto.
+       (rest_of_handle_partition_blocks): Ditto.
+       * gcc/var-tracking.c (variable_tracking_main): Ditto.
+       * gcc/tree-profile.c (tree_profiling): Ditto.
+       * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
+       * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
+       * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
+       (rest_of_handle_sched2): Ditto.
+       * gcc/basic-block.h (free_bb_insn): Ditto.
+       * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
+       * gcc/tree-cfg.c (execute_build_cfg): Ditto.
+       (remove_useless_stmts): Ditto.
+       (split_critical_edges): Ditto.
+       (execute_warn_function_return): Ditto.
+       (execute_warn_function_noreturn): Ditto.
+       * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
+       * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
+       * gcc/passes.c (execute_one_pass): Run additional
+       todos returned by execute function.
+       * gcc/tree-pass.h (struct tree_opt_pass): Make execute
+       return a value.
+
+2006-03-02  Richard Guenther  <rguenther@suse.de>
+
+       * tree-ssa-alias.c (find_used_portions): Consider taking
+       the address as making the variable not write-only.
+
+2006-03-02  Nick Clifton  <nickc@redhat.com>
+
+       * config.gcc (default_use_cxa_atexit): Extend the description of
+       this configure variable.  Set its default value to "yes" for
+       Linux, NetBSD and ELF targets on the assumption that they will
+       use C libraries with the __cxa_atexit function.
+
+2006-03-02  Ben Elliston  <bje@au.ibm.com>
+
+       * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
+       parameter as unused to suppress a build warning.
+
+2006-03-02  Ben Elliston  <bje@au.ibm.com>
+
+       * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
+       config/dfp-bit.c.
+
+2006-03-01  Roger Sayle  <roger@eyesopen.com>
+
+       PR other/26489
+       * gthr-posix.h (__gthrw2): Define to take three parameters, the
+       declared name, the weak reference name, and the typeof name.
+       (__gthrw): Avoid expanding the declared name suffix.
+       (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
+
+2006-03-01  Jakub Jelinek  <jakub@redhat.com>
+
+       * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
+       from DWARF 3.
+       (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
+       DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
+       DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
+       DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
+       DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
+       (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
+       (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
+       DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
+       (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
+       DW_DS_leading_separate, DW_DS_trailing_separate): New.
+       (DW_END_default, DW_END_big, DW_END_little): New.
+       (DW_END_lo_user, DW_END_hi_user): Define.
+       (DW_LNE_lo_user, DW_LNE_hi_user): Define.
+       (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
+       (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
+       DW_LANG_D): New.
+
+2006-03-01  Diego Novillo  <dnovillo@redhat.com>
+
+       * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
+       Update all users.
+       * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
+       Update all users.
+       (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
+       Update all users.
+       * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
+       Update all users.
+       * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
+       to 'symbol_mem_tag'.
+       Update all users.
+       * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
+       rename.
+
+2006-03-01  Roger Sayle  <roger@eyesopen.com>
+
+       * builtins.c (fold_builtin_copysign): Delete unreachable code.
+
 2006-03-01  Andrew Pinski  <pinskia@physics.uc.edu>
 
        PR target/25761
        * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
 
 2006-03-01  Daniel Berlin  <dberlin@dberlin.org>
+
        Fix PR tree-optimization/26443
        * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
        to todo and PROP_tmt_usage to properties_destroyed.
        PR middle-end/25600
        * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
        C is one less than the width of X (and related transformations).
-       * simplify_rtx.c (simplify_unary_operation_1): Transform
+       * simplify-rtx.c (simplify_unary_operation_1): Transform
        (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
        depending on STORE_FLAG_VALUE, were C is one less then the
        width of X.