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

2005-04-10  Richard Sandiford  <rsandifo@redhat.com>

        * combine.c (combine_simplify_rtx): Remove a transformation that
        relies on an invalid assumption about rtl sign-extension semantics.

2005-04-10  Richard Sandiford  <rsandifo@redhat.com>

        * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
        to build_int_cst_wide.

2005-04-09  Alexandre Oliva  <aoliva@redhat.com>

        PR target/20126
        * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
        set the original address pseudo to the correct value before the
        original insn, if possible, and leave the insn alone, otherwise
        create a new pseudo, set it and replace it in the insn.
        * recog.c (validate_change_maybe_volatile): New.
        * recog.h (validate_change_maybe_volatile): Declare.

2005-04-09  Caroline Tice  <ctice@apple.com>

        * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
        Remove targetm.have_named_sections test.
        (fix_edges_for_rarely_executed_code): Likewise.
        (insert_section_boundary_note): Likewise.
        (reorder_basic_blocks): Check partitioning flag before calling
        verify_hot_cold_block_grouping.
        * dbxout.c (dbxout_function_end): Get hot/cold section labels from
        the function struct rather than global variables.
        * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
        (COLD_END_LABEL): Likewise
        (cold_text_section_label): New static global variable.
        (cold_end_label): Likewise.
        (dwarf2out_switch_text_section): Get hot/cold section labels from
        the function struct rather than global variables.
        (output_aranges): Use cold_text_section_label and cold_end_label;
        check partitioning flag before putting out delta.
        (output_ranges): Remove incorrect code attempting to use
        hot/cold labels.
        (output_line_info): Get cold section label from function struct.
        (add_location_or_const_value_attribute): Likewise.
        (get_subprogram_die): Get hot/cold section labels from function struct.
        (dwarf2out_var_location): Likewise.
        (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
        write out cold_text_section_label if partition flag is set.
        (dwarf2out_finish): Write out cold_end_label if partition flag is set;
        * function.h (struct function): Add new fields to point to hot/cold
        section labels: hot_section_label, cold_section_label,
        hot_section_end_label and cold_section_end_label; also add new field
        for cold text section name, unlikely_text_section_name.
        * opts.c (decode_options): Turn off partitioning flag if
        !targetm.have_named_sections.
        * output.h (hot_section_label): Remove.
        (hot_section_end_label): Remove.
        (cold_section_end_label): Remove.
        (unlikely_section_label): Remove.
        (unlikely_text_section_name): Remove.
        * passes.c (rest_of_handle_final):  Remove code that frees
        unlikely_text_section_name.
        * varasm.c (unlikely_section_label): Remove.
        (hot_section_label): Remove.
        (hot_section_end_label): Remove.
        (cold_section_end_label): Remove.
        (unlikely_text_section_name):  Remove.
        (initialize_cold_section_name): Modify to call
        targetm.strip_name_encoding; to store cold section name in current
        function struct, if it exists; and to only use the decl_section_name
        if flag_named_sections is true.
        (unlikely_text_section): Modify to get section name out of current
        function struct, if there is one; otherwise build it from
        UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
        (in_unlikely_text_section): Likewise.
        (named_section): Modify to get/put cold section name in current function
        struct, if there is one.
        (function_section):  Change 'bool unlikely' to 'int reloc'; check
        targetm.have_named_sections before calling named_section.
        (current_function_section): Likewise.
        (assemble_start_function): Modify to get/put unlikely_text_section_name
        in current function struct; modify to get hot/cold section labels
        from function struct; initialize labels using 
        ASM_GENERATE_INTERNAL_LABEL;
        test partitioning flag before writing out hot section label.
        (assemble_end_function): Test partitioning flag before writing out
        hot/cold section labels.
        (default_section_type_flags_1):  Modify to use array instead of
         char* for unlikely_text_section_name; set flags correctly for
         cold text section if there is not a current function decl.

2005-04-09  Jakub Jelinek  <jakub@redhat.com>

        * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
        and TI_VA_LIST_FPR_COUNTER_FIELD.
        (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
        * tree-pass.h (pass_stdarg): Add.
        * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
        * tree-stdarg.c: New file.
        * tree-stdarg.h: New file.
        * Makefile.in (OBJS-common): Add tree-stdarg.o.
        (tree-stdarg.o): Add dependencies.
        * function.h (struct function): Add va_list_gpr_size and
        va_list_fpr_size fields.
        * function.c (allocate_struct_function): Initialize them.
        * target.h (struct gcc_target): Add stdarg_optimize_hook.
        * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
        (TARGET_INITIALIZER): Add it.

        * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
        va_list_{g,f}pr_counter_field.
        (ix86_setup_incoming_varargs): Don't do anything if reg_save
        area will not be used.  Only save registers that tree-stdarg.c
        detected they need saving.
        (ix86_va_start): Don't set up fields that won't be used.

        * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
        va_list_{g,f}pr_counter_field.
        (setup_incoming_varargs): Don't do anything if reg_save
        area will not be used.  Only save registers that tree-stdarg.c
        detected they need saving.
        (rs6000_va_start): Don't set up fields that won't be used.

        * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
        (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
        (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
        (TARGET_STDARG_OPTIMIZE_HOOK): Define.

2005-04-09  Jakub Jelinek  <jakub@redhat.com>

        PR target/20795
        * config/i386/i386.c (construct_container): Pass empty aligned
        struct, union or class in memory.

2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>

        * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
        tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
        config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
        config/rs6000/predicates.md: Fix comment typos.

        * sched-int.h (haifa_insn_data): Remove blockage and units.
        (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
        ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
        MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.

2005-04-09  Jan Hubicka  <jh@suse.cz>
            Steven Bosscher  <stevenb@suse.de>

        * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
        * cfgloop.c (get_loop_exit_edges): Likewise.
        * cfgloopmanip.c (fix_irreducible_loops): Likewise.
        (unloop): Likewise.
        * loop-unroll.c (analyze_insns_in_loop): Likewise.
        * tree-cfg.c (dump_cfg_status): Likewise.

2005-04-09  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/predicates.md (altivec_register_operand): Remove
        redundant match_code test.
        (gpc_reg_operand): Same.
        (cc_reg_operand): Same.
        (cc_reg_not_cr0_operand): Same.

2005-04-09  Jan Hubicka  <jh@suse.cz>

        Forgotten hunk from my last merge patch:
        * final.c (output_addr_const): Do not call mark_referenced.

2005-04-09  Andrew MacLeod  <amacleod@redhat.com>

        * doc/tree-ssa.texi: Add immediate use documentation.

2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>

        * arm.c (FL_WBUF): Define.
        (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
        (arm_is_6_or_7): Delete.
        (arm_tune_wbuf): New.
        (arm_override_options): Set arm_tune_wbuf.
        * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
        (arm_is_6_or_7): Delete declaration.
        (arm_tune_wbuf): New declartion.
        * arm.md (is_strongarm): Derive from arm_tune_strongarm.
        (model_wbuf): Derive from arm_tune_wbuf.
        * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
        (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
        (arm740t): Mark CPUs as having a write buffer.

2005-04-09  Uros Bizjak  <uros@kss-loka.si>

        * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
        of 'const_double_operand' in operand 2 constraints.  Update enable
        condition.

2005-04-09  Uros Bizjak  <uros@kss-loka.si>

        * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
        (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
        * optabs.h (enum optab_index): Add new OTI_lfloor.
        (lfloor_optab): Define corresponding macro.
        * optabs.c (init_optabs): Initialize lfloor_optab.
        * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
        and lfloordi2 patterns.
        * builtins.c (expand_builtin_int_roundingfn): New prototype.
        (expand_builtin_int_roundingfn): New function.
        (fold_builtin_int_roundingfn): New prototype.
        (fold_builtin_int_roundingfn): New function, renamed from
        fold_builtin_lround.
        Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
        BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
        (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
        BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
        (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
        (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
        BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
        * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
        into lfloor built-in function and (long long int)floor{,f,l} into
        llfloor built-in function.
        * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
        BUILT_IN_LLFLOOR.

2005-04-08  Ian Lance Taylor  <ian@airs.com>

        * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
        CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
        * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
        (DO_COND, DO_BODY): Likewise.
        (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
        (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
        (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
        BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
        (build_continue_stmt, build_break_stmt): Don't declare.
        (c_do_switch_warnings): Update declaration.
        * c-gimplify.c (enum bc_t): Remove.
        (struct c_gimplify_ctx, ctxp): Remove.
        (push_context, pop_context): Remove static functions.
        (c_genericize): Don't call push_context or pop_context.
        (begin_bc_block, finish_bc_block): Remove static functions.
        (build_bc_goto): Likewise.
        (gimplify_c_loop): Likewise.
        (gimplify_for_stmt, gimplify_while_stmt): Likewise.
        (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
        (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
        DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
        * c-common.c (c_do_switch_warnings): Rename from
        c_do_switch_warnings_1.
        (c_do_switch_warnings) [old version]: Remove.
        (c_do_switch_expr_warnings): Remove.
        * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
        function instead of c_do_switch_expr_warnings.
        * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
        CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
        * c-pretty-print.c (pp_c_statement): Likewise.
        * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.

2005-04-08  Diego Novillo  <dnovillo@redhat.com>

        Merge from tree-cleanup-branch: VRP, store CCP, store
            copy-prop, incremental SSA updating of FUD chains and
            newly exposed symbols.

        * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
        (OBJS-common): Add tree-vrp.o.
        (tree-vrp.o): New rule.
        * basic-block.h (nearest_common_dominator_for_set): Declare.
        * common.opt (ftree-store-ccp): New flag.
        (ftree-copy-prop): New flag.
        (ftree-vrp): New flag.
        (ftree-store-copy-prop): New flag.
        * dominance.c (nearest_common_dominator_for_set): New.
        * domwalk.c (walk_dominator_tree): Only traverse
        statements in blocks marked in walk_data->interesting_blocks.
        * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
        * fold-const.c (fold): Handle ASSERT_EXPR.
        * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
        Set flag_tree_store_ccp, flag_tree_store_copy_prop and
        flag_tree_vrp at -O2.
        * timevar.def (TV_TREE_VRP): Define.
        (TV_TREE_COPY_PROP): Define.
        (TV_TREE_STORE_COPY_PROP): Define.
        (TV_TREE_SSA_INCREMENTAL): Define.
        (TV_TREE_STORE_CCP): Define.
        * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
        to kill_redundant_phi_nodes from comment.
        (verify_expr): Handle ASSERT_EXPR.
        * tree-dfa.c (mark_new_vars_to_rename): Remove second
        argument.  Update all users.
        (mark_call_clobbered_vars_to_rename): Remove.  Update all
        users.
        * tree-flow-inline.h (unmodifiable_var_p): New.
        * tree-flow.h (enum value_range_type): Declare.
        (struct value_range_def): Declare.
        (value_range): Declare.
        (remove_all_phi_nodes_for): Remove.  Update all users.
        (find_phi_node_for): Declare.
        (add_type_alias): Declare.
        (count_uses_and_derefs): Declare.
        (kill_redundant_phi_nodes): Remove.
        (rewrite_into_ssa): Remove.
        (rewrite_def_def_chains): Remove.
        (update_ssa, register_new_name_mapping, create_new_def_for,
        need_ssa_update_p, name_registered_for_update_p,
        release_ssa_name_after_update_ssa, dump_repl_tbl,
        debug_repl_tbl, dump_names_replaced_by,
        debug_names_replaced_by, mark_sym_for_renaming,
        mark_set_for_renaming, get_current_def, set_current_def,
        get_value_range, dump_value_range, debug_value_range,
        dump_all_value_ranges, debug_all_value_ranges,
        expr_computes_nonzero, loop_depth_of_name,
        unmodifiable_var_p): Declare.
        * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
        ASSERT_EXPR.
        * tree-into-ssa.c (block_defs_stack): Update comment.
        (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
        syms_to_rename, names_to_release, repl_tbl,
        need_to_initialize_update_ssa_p, need_to_update_vops_p,
        need_to_replace_names_p): New locals.
        (NAME_SETS_GROWTH_FACTOR): Define.
        (struct repl_map_d): Declare.
        (struct mark_def_sites_global_data): Add field
        interesting_blocks.
        (enum rewrite_mode): Declare.
        (REGISTER_DEFS_IN_THIS_STMT): Define.
        (compute_global_livein): Use last_basic_block instead of
        n_basic_blocks.
        (set_def_block): Remove last argument.  Update all callers.
        (prepare_use_operand_for_rename): Remove.  Update all callers.
        (prepare_def_operand_for_rename): Remove.  Update all callers.
        (symbol_marked_for_renaming): New.
        (is_old_name): New.
        (is_new_name): New.
        (repl_map_hash): New.
        (repl_map_eq): New.
        (repl_map_free): New.
        (names_replaced_by): New.
        (add_to_repl_tbl): New.
        (add_new_name_mapping): New.
        (mark_def_sites): Assume that all the operands in the
        statement are in normal form.
        (find_idf): Assert that the block in the stack is valid.
        (get_default_def_for): New.
        (insert_phi_nodes_for): Add new argument 'update_p'.
        Add documentation.
        If update_p is true, add a new mapping between the LHS of
        each new PHI and the name that it replaces.
        (insert_phi_nodes_1): Only call find_idf if needed.
        (get_reaching_def): Call get_default_def_for.
        (rewrite_operand): Remove.
        (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
        and REWRITE_THIS_STMT are false.
        Assume that all the operands in the statement are in
        normal form.
        (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
        (rewrite_virtual_phi_arguments): Remove.
        (invalidate_name_tags): Remove.
        (register_new_update_single, register_new_update_set,
        rewrite_update_init_block, replace_use,
        rewrite_update_fini_block, rewrite_update_stmt,
        rewrite_update_phi_arguments): New.
        rewrite_blocks): Remove argument 'fix_virtual_phis'.
        Add arguments 'entry', 'what' and 'blocks'.
        Initialize the dominator walker according to 'what' and
        'blocks'.
        Start the dominator walk at 'entry'.
        (mark_def_site_blocks): Add argument 'interesting_blocks'.
        Use it to configure the dominator walker.
        (rewrite_into_ssa): Remove argument 'all'.
        Make internal.
        (rewrite_all_into_ssa): Remove.
        (rewrite_def_def_chains): Remove.
        (mark_def_interesting, mark_use_interesting,
        prepare_phi_args_for_update, prepare_block_for_update,
        prepare_def_site_for, prepare_def_sites,
        dump_names_replaced_by, debug_names_replaced_by,
        dump_repl_tbl, debug_repl_tbl, init_update_ssa,
        delete_update_ssa, create_new_def_for,
        register_new_name_mapping, mark_sym_for_renaming,
        mark_set_for_renaming, need_ssa_update_p,
        name_registered_for_update_p, ssa_names_to_replace,
        release_ssa_name_after_update_ssa,
        insert_updated_phi_nodes_for, update_ssa): New.
        * tree-loop-linear.c (linear_transform_loops): Call
        update_ssa instead of rewrite_into_ssa.
        * tree-optimize.c (vars_to_rename): Remove.
        Update all users.
        (init_tree_optimization_passes): Replace
        pass_redundant_phi with pass_copy_prop.
        Add pass_vrp.
        Replace pass_ccp with pass_store_ccp.
        Add pass_store_copy_prop after pass_store_ccp.
        (execute_todo): If the TODO_ flags don't include updating
        the SSA form, assert that it does not need to be updated.
        Call update_ssa instead of rewrite_into_ssa and
        rewrite_def_def_chains.
        If TODO_verify_loops is set, call verify_loop_closed_ssa.
        (tree_rest_of_compilation):
        * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
        TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
        TODO_cleanup_cfg): Renumber.
        (TODO_verify_loops, TODO_update_ssa,
        TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
        TODO_update_ssa_only_virtuals): Define.
        (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
        Declare.
        * tree-phinodes.c (make_phi_node): Update documentation.
        (remove_all_phi_nodes_for): Remove.
        (find_phi_node_for): New.
        * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
        * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
        (interpret_rhs_modify_expr): Likewise.
        * tree-sra.c (decide_instantiations): Mark all symbols in
        SRA_CANDIDATES for renaming.
        (mark_all_v_defs_1): Rename from mark_all_v_defs.
        (mark_all_v_defs): New function.  Update all users to call it 
        with the whole list of scalarized statements, not just the
        first one.
        * tree-ssa-alias.c (count_ptr_derefs): Make extern.
        (compute_flow_insensitive_aliasing): If the tag is
        unmodifiable and the variable isn't or vice-versa, don't
        make them alias of each other.
        (setup_pointers_and_addressables): If the type tag for
        VAR is about to change, mark the old one for renaming.
        (add_type_alias): New.
        * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
        (ccp_lattice_t): Rename from latticevalue.
        (value): Remove.  Update all users.
        (const_val): New local variable.
        (do_store_ccp): New local variable.
        (dump_lattice_value): Handle UNINITIALIZED.
        (debug_lattice_value): New.
        (get_default_value): Re-write.
        (set_lattice_value): Re-write.
        (def_to_varying): Remove.  Update all users.
        (likely_value): Return VARYING for statements that make
        stores when STORE_CCP is false.
        Return VARYING for any statement other than MODIFY_EXPR,
        COND_EXPR and SWITCH_EXPR.
        (ccp_initialize): Re-write.
        (replace_uses_in, replace_vuse_in, substitute_and_fold):
        Move to tree-ssa-propagate.c.
        (ccp_lattice_meet): Handle memory stores when
        DO_STORE_CCP is true.
        (ccp_visit_phi_node): Likewise.
        (ccp_fold): Likewise.
        (evaluate_stmt): Likewise.
        (visit_assignment): Likewise.
        (ccp_visit_stmt): Likewise.
        (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
        into DO_STORE_CCP.
        (do_ssa_ccp): New.
        (pass_ccp): Use it.
        (do_ssa_store_ccp): New.
        (gate_store_ccp): New.
        (pass_store_ccp): Declare.
        * tree-ssa-copy.c: Include tree-ssa-propagate.h.
        (may_propagate_copy): Reformat.
        Don't abort if ORIG is a virtual and DEST isn't.
        If NEW does not have alias information but DEST does,
        copy it.
        (copy_of, cached_last_copy_of, do_store_copy_prop, enum
        copy_prop_kind, which_copy_prop): Declare.
        (stmt_may_generate_copy, get_copy_of_val,
        get_last_copy_of, set_copy_of_val, dump_copy_of,
        copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
        copy_prop_visit_stmt, copy_prop_visit_phi_node,
        init_copy_prop, fini_copy_prop, execute_copy_prop,
        gate_copy_prop, do_copy_prop, gate_store_copy_prop,
        store_copy_prop): New.
        (pass_copy_prop, pass_store_copy_prop): Declare.
        * tree-ssa-dom.c (struct opt_stats_d): Add fields
        'num_const_prop' and 'num_copy_prop'.
        (cprop_operand): Update them.
        (dump_dominator_optimization_stats): Dump them.
        (tree_ssa_dominator_optimize): Call update_ssa instead of
        rewrite_into_ssa.
        (loop_depth_of_name): Declare extern.
        (simplify_cond_and_lookup_avail_expr): Guard against NULL
        values for LOW or HIGH.
        (cprop_into_successor_phis): Only propagate if NEW != ORIG.
        (record_equivalences_from_stmt): Call expr_computes_nonzero.
        (cprop_operand): Only propagate if VAL != OP.
        * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
        statement for renaming.
        * tree-ssa-loop-im.c (move_computations): Call update_ssa.
        * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
        add_type_alias if necessary.
        Call mark_new_vars_to_rename.
        (tree_ssa_iv_optimize): If new symbols need to be renamed,
        mark every statement updated, call update_ssa and
        rewrite_into_loop_closed_ssa.
        * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
        from LIVEIN if VAR is a virtual.
        * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
        * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
        (get_call_expr_operands): Reformat statement.
        (add_stmt_operand): Don't create V_MAY_DEFs for read-only
        symbols.
        * tree-ssa-propagate.c (ssa_prop_init): Initialize
        SSA_NAME_VALUE for every name.
        (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
        get_value_loaded_by): New.
        (replace_uses_in, replace_vuses_in, replace_phi_args_in,
        substitute_and_fold): Move from tree-ssa-ccp.c.
        * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
        first_vdef, stmt_makes_single_load, stmt_makes_single_store,
        get_value_loaded_by, replace_uses_in, substitute_and_fold):
        Declare.
        * tree-ssa.c (verify_use): Fix error message.
        (propagate_into_addr, replace_immediate_uses, get_eq_name,
        check_phi_redundancy, kill_redundant_phi_nodes,
        pass_redundant_phi): Remove.  Update all users.
        * tree-vect-transform.c (vect_create_data_ref_ptr): Call
        add_type_alias, if necessary.
        * tree-vectorizer.h (struct _stmt_vect_info): Update
        documentation for field 'memtag'.
        * tree-vrp.c: New file.
        * tree.def (ASSERT_EXPR): Define.
        * tree.h (ASSERT_EXPR_VAR): Define.
        (ASSERT_EXPR_COND): Define.
        (SSA_NAME_VALUE_RANGE): Define.
        (struct tree_ssa_name): Add field 'value_range'.
        (PHI_REWRITTEN): Remove.
        (struct tree_phi_node): Remove field 'rewritten'.
        * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
        -ftree-store-copy-prop): Document.
        * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
        Document usage of update_ssa.

2005-04-08  David Edelsohn  <edelsohn@gnu.org>

        PR target/20814
        * config/rs6000/predicates.md (altivec_register_operand): Accept
        SUBREG. 
        (and64_operand): Do not limit CONST_INT to mask64_operand.
        (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
        (and_operand): Do not limit CONST_INT to mask_operand.

2005-04-09  Hans-Peter Nilsson  <hp@axis.com>

        PR rtl-optimization/20466
        * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
        for overlap of the address of each list member.
        (mark_set_1): Call invalidate_mems_from_set for MEMs too.

2005-04-08  Mike Stump  <mrs@apple.com>

        * config/darwin.c (indirect_data): Fix typo in strncmp logic.
        
        * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
        instead of 4.

2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>

        * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.

        * function.c (push_function_context_to): Don't set
        contains_functions.
        * function.h (function): Remove contains_functions.
        (current_function_contains_functions): Remove.

        * function.h (function): Remove instrument_entry_exit.
        (current_function_instrument_entry_exit): Remove.

        * function.h (nonlocal_labels): Remove.

        * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.

        * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
        (check_attr_value, write_attr_get, write_expr_attr_cache,
        find_attr, make_internal_attr): Don't reference negative_ok or
        unsigned_p.
        * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
        ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
        (ATTR_STATIC): Adjust the value.

        * c-common.h (C_ARTIFICIAL_STRING_P): Remove.

2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/tpf.h (ASM_SPEC): Define.

2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-flow.h: Remove the prototype for
        redirect_immediate_uses.
        (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.

2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>

        * arm.c (arm_const_double_by_parts): New function.
        * arm-protos.h (arm_const_double_by_parts): Add prototype.
        * arm.md (define_split for 64-bit constants): Add another one.

2005-04-08  Andrew MacLeod  <amacleod@redhat.com>

        * tree-ssa-operands.c (correct_use_link): Remove linear scan.

2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * system.h: Revert last change.

2005-04-08  Richard Sandiford  <rsandifo@redhat.com>

        * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
        (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
        (TARGET_SWITCHES): Delete.
        * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
        * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
        TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
        * config/xtensa/xtensa.opt: New file.

2005-04-08  Ben Elliston  <bje@au.ibm.com>

        * config/fp-bit.c: Include L_mul_tf in #endif comment.
        * config/fp-bit.h: Tidy comments.

2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * system.h: Poison PARAMS.

2005-04-07  Richard Sandiford  <rsandifo@redhat.com>

        * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
        (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
        (TARGET_SWITCHES): Delete.
        * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
        * config/vax/vax.opt: New file.

2005-04-07  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.

2005-04-07  Ian Lance Taylor  <ian@airs.com>

        * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
        define.
        * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
        * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
        Likewise.

2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
        all immediate uses in PHI nodes.

2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>

        * arm.c (arm_const_double_inline_cost): Handle any constant by
        using gen_lowpart and gen_highpart_mode.
        (note_invalid_constants): All constants in an RTX with a constraint
        that permits memory are now pushed to the constant pool.
        (output_move_double): Delete code to handle reg to reg and 
        constant to reg moves.
        (const_double_needs_minipool, output_mov_immediate): Delete.
        * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
        CONST_INT and CONST_VECTOR.
        * arm.md (ANY64): New mode macro.
        (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
        (movdf_soft_insn): Split reg-reg and const-reg moves.
        (split patterns for 64-bit constant and register moves): New.
        * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
        (cirrus_movdf_hard_insn): Likewise.
        * fpa.md (movdf_fpa): Likewise.
        * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
        (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
        constraints.
        (movv2si_internal_2): Likewise.
        * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
        (movdf_vfp): Likewise.
        * arm-protos.h (output_mov_immediate): Delete prototype.

2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>

        PR target/20093
        * simplify-rtx.c (simplify_unary_operation_1): Check
        SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.

2005-04-06  James E Wilson  <wilson@specifixinc.com>

        PR target/20717
        * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
        ADDR_EXPR.

2004-04-06  Richard Sandiford  <rsandifo@redhat.com>

        * coverage.h (GCOV_TYPE_NODE): Delete.
        * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
        (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
        * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
        (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
        * value-prof.c (tree_divmod_fixed_value_transform): Delete.

2004-04-06  Richard Sandiford  <rsandifo@redhat.com>

        PR other/20792
        * Makefile.in (gcc.pot): Remove options.c dependency.
        * optc-gen.awk: Don't quote help strings with N_().

2005-04-06  James A. Morrison  <phython@gcc.gnu.org>

        * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
        the function returns a pointer type.

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

        * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
        * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
        * doc/invoke.texi: Documnet salias-max-implicit-fields.
        * tree-ssa-alias.c (struct used_part): Add implicit_uses and
        explicit_uses members.
        (get_or_create_used_part_for): Initialize new fields.
        (fieldoff_compare): New function.
        (create_overlap_variables_for): Count number of fields, use
        heuristic to determine whether to create subvars for vars with
        only implicit uses.
        Sort the field list by offset and avoid creating duplicate SFT's.

2005-04-06  Richard Sandiford  <rsandifo@redhat.com>

        * c.opt (-F): Remove trailing whitespace from help string.
        (-finput-charset): Use a tab to separate the switch name and help
        string.
        * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
        (-ftree-vectorizer-verbose): Likewise.

2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
        a PHI argument where a use occurs instead of all PHI arguments.

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

        * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
        scope.

2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>

        * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
        tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
        config/bfin/bfin.h: Fix comment typos.

2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>

        * doc/install.texi: Update the URL for Jacks.
        * doc/sourcebuild.texi: Likewise.

2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/17245
        * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
        Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.

2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>

        * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.

2005-04-06  Richard Sandiford  <rsandifo@redhat.com>

        * config/v850/v850-protos.h (override_options): Delete.
        * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
        (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
        (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
        (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
        (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
        (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
        (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
        (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
        (OVERRIDE_OPTIONS): Delete.
        (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
        (small_memory_info): Remove the value field.
        (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
        TARGET_NO_APP_REGS.
        * config/v850/v850.c (small_memory): Remove the value field.
        (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
        (override_options): Delete.
        (v850_handle_memory_option, v850_handle_option): New functions.
        * config/v850/v850.opt: New file.

2005-04-06  Geoffrey Keating  <geoffk@apple.com>

        * config.host: Add a section for generic hosts, and a subsection
        for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
        * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
        * config/host-darwin.h: New.
        * config/x-darwin: New.
        * config/i386/host-i386-darwin.c: New.
        * config/i386/x-darwin: New.
        * config/rs6000/host-darwin.c: Include host-darwin.h.
        (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
        (darwin_rs6000_gt_pch_use_address): Likewise.
        * config/rs6000/x-darwin: Change name of .o built, update
        dependencies for changes to rs6000/host-darwin.c.

2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>

        PR target/17824
        * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.

2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>

        * tree-vect-analyze.c (vect_analyze_loop_form): Call
        split_loop_exit_edge instead of loop_split_edge_with. 

2005-04-06  Paolo Bonzini  <bonzini@gnu.org>

        * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
        UNSPEC_SET_VSCR): New constants, used throughout.
        (*andc3_v4sf): New.
        (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
        Replace with...
        (altivec_vspltis<VI_char>): ... this pattern, using
        a QImode const_int_operand for the immediate.
        (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
        define_expands.

2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>

        PR target/17822
        * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.

2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>

        * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.

2005-04-06  Ben Elliston  <bje@au.ibm.com>

        * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
        DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
        macros as living in "this file" and not gcc.h.

2005-04-06  Ben Elliston  <bje@au.ibm.com>

        * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
        -ftree-live_range_split.  Perhaps renamed at some point?

2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>

        PR target/20625
        * tree-ssa-loop-ivopts.c (generic_type_for): New function.
        (add_candidate_1): Use generic_type_for instead of unsigned_type_for.

2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-flow.h (number_of_iterations_cond): Declaration removed.
        * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
        (number_of_iterations_special): New function.
        (number_of_iterations_exit): Use number_of_iterations_special.
        Use simplify_using_outer_evolutions only at -O3.
        (number_of_iterations_cond, tree_simplify_using_condition,
        simplify_using_initial_conditions, loop_niter_by_eval,
        compare_trees, can_count_iv_in_wider_type_bound,
        simplify_using_outer_evolutions): Use fold_build.

2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>

        * doc/install.texi (Configuration): Document --with-java-home.

2005-04-05  Richard Henderson  <rth@redhat.com>

        PR target/20342
        PR target/20447
        * config/i386/i386.c (print_operand): Handle vector zeros.
        (ix86_split_to_parts): Handle CONST_VECTOR.
        (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
        (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
        what modes to tie for MMX and SSE registers.
        * config/i386/i386.h (MMX_REG_MODE_P): Remove.
        * config/i386/i386.md: Extend move 0 -> xor peephole to apply
        to vector modes as well.
        * config/i386/predicates.md (const0_operand): Handle VOIDmode
        properly as an input mode.

2005-04-05  Andrew MacLeod  <amacleod@redhat.com>

        * tree-ssa-operands.c (verify_abort): Use %p for pointers.

2005-04-05  Andrew MacLeod  <amacleod@redhat.com>

        * tree-pretty-print.c (dump_generic_node): Use %p for pointer.

2005-04-05  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
        and local functions, set sse_nregs to 8 and float_in_sse.
        (function_arg_advance, function_arg): If float_in_sse, pass
        SFmode and DFmode arguments in SSE registers.
        * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.

        * config/i386/i386.c (ix86_value_regno): Only optimize local functions
        of -funit-at-a-time.

2005-04-05  Paolo Bonzini  <bonzini@gnu.org>

        * config/i386/i386-protos.h (ix86_function_value): Accept two
        arguments, like the target macro.
        * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
        * config/i386/i386.c (ix86_function_value): Accept the second
        argument of the target macro.
        (ix86_function_ok_for_sibcall): Pass a function pointer to
        ix86_function_value.
        (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
        call to ix86_value_regno).
        (ix86_value_regno): Add support for returning floating point values
        in SSE registers.

2005-04-05  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/20076
        * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
        that call __builtin_return or __builtin_apply_args.

2005-04-05  Andrew MacLeod  <amacleod@redhat.com>

        * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
        Use immediate use iterator.
        (stmt_is_bumper_for_loop): Use immediate use iterator.
        * predict.c (strip_builtin_expect): Use update_stmt.
        * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
        on all elements of a STATEMENT_LIST.
        (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
        (bsi_remove): Remove imm_use links and mark the stmt as modified.
        (bsi_replace): Mark stmt as modified and the update it.
        * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
        (expand_complex_libcal): Call update_stmt.
        (expand_complex_comparison): Call mark_stmt_modified.
        (expand_complex_operations_1): Call update_stmt_if_modified.
        (expand_vector_operations_1): Call mark_stmt_modified.
        * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
        compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
        add_immediate_use, redirect_immediate_use,
        redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
        dump_immediate_uses_for, debug_immediate_uses_for): Delete.
        (mark_new_vars_to_rename): Call update_stmt.
        * tree-dump.c (dump_option_value_in): Add "stmtaddr".
        * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.  
        Ignore PHI nodes.
        (unmodify_stmt): Delete.
        (update_stmt): New.  Force an update of a stmt.
        (update_stmt_if_modified): update a stmt if it is out of date.
        (get_stmt_operands): Verify stmt is NOT modified. 
        (stmt_modified_p): Update comment.
        (delink_imm_use): Remove a use node from its immuse list.
        (link_imm_use_to_list): Link a use node to a specific list.
        (link_imm_use): Link a node to the correct list.
        (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
        it in the correct list, if appropriate.
        (link_imm_use_stmt): Link a use node, and set the stmt pointer.
        (relink_imm_use): Link a use node in place of another node in a list.
        (relink_imm_use_stmt): LInk a node in place of another node, and set
        the stmt pointer.
        (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
        (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
        (first_safe_imm_use): New.  Initialize a safe immuse iterator.
        (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
        (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
        (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
        (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
        (has_zero_uses): New.  Return true if there are no uses of a var.
        (has_single_use): New.  Return true if there is only a single use of a
        variable.
        (single_imm_use): New.  Return the simgle immediate use.
        (num_imm_uses): New.  Return the number of immediate uses.
        (get_v_must_def_ops): Use is now a pointer.
        (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
        get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of 
        the use node.
        (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
        (delink_stmt_imm_use): Delink all immuses from a stmt.
        (phi_arg_index_from_use): New.  Return a phi arg index for a use.
        * tree-flow.h (struct dataflow_d): Delete.
        (immediate_use_iterator_d): New.  Immediate use iterator struct.
        (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
        (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
        (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe 
        iteration.
        (struct stmt_ann_d): Remove dataflow_t from struct.
        * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
        (if_convertible_phi_p): Use FAST immuse iterator.
        (if_convertible_loop_p): Don't call compute_immediate_uses.
        (replace_phi_with_cond_modify_expr): Call update_stmt.
        * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call 
        update_stmt_if_modified.
        (rewrite_all_into_ssa): Initialize ssa operands.
        * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
        compute_immediate_uses.
        * tree-optimize.c (execute_todo): Call verify_ssa whenever the 
        ssa_property is available.
        (execute_one_pass):  Change parameters passed to execute_todo.
        * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
        (remove_ssa_form): Call fini_ssa_operands.
        (insert_backedge_copies): Delete call to modify_stmt.
        * tree-phinodes.c (make_phi_node): Initialize use nodes.
        (release_phi_node): Delink any use nodes before releasing.
        (resize_phi_node): Relink any use nodes.
        (remove_phi_arg_num): Delink the use node.
        (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
        (remove_all_phi_nodes_for): Release phi node first.
        * tree-pretty-print.c (dump_generic_node): Print stmt address.
        * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
        (scalarize_use, scalarize_copy): Call update_stmt.
        * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
        (compute_points_to_and_addr_escape): Call mark_stmt_modified.
        * tree-ssa-cpp.c (need_imm_uses_for): Delete.
        (ccp_initialize): Remove call to compute_immediate_uses.
        (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
        * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified 
        stmts.
        (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
        (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
        (eliminate_redundant_computations): Call mark_stmt_modified.
        (cprop_operand): Call mark_stmt_modified.
        (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
        * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
        (dse_optimize_stmt): Use new immuse interface.
        (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
        * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
        (substitute_single_use_vars): Use new immuse interface.
        (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
        and compute_immediate_uses.
        * tree-ssa-loop-im.c (single_reachable_address): Use new immuse 
        interface.
        (rewrite_mem_refs): Call update_stmt.
        (determine_lsm): Remove call to compute_imm_uses and free_df.
        * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
        (try_unroll_loop_completely): Call update_stmt.
        * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
        (rewrite_use_compare): Call update_stmt.
        (compute_phi_arg_on_exit): Insert each stmt before trying to process.
        (rewrite_use) : Call update_stmt.
        * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
        * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call 
        update_stmt.
        * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
        (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
        (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
        use nodes.
        (initialize_vuse_operand): New.  Initialize a vuse operand.
        (initialize_v_may_def_operand): New.  Initialize a maydef operand.
        (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
        (finalize_ssa_defs): Use stmt parameter.
        (correct_use_link): Ensure a use node is in the correct list, and has
        the correct stmt pointer.
        (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
        finalize_ssa_v_must_defs): Also initialize use nodes.
        (finalize_ssa_stmt_operands): Pass extra stmt operands.
        (build_ssa_operands): Seperate parsing from final operand construction.
        (parse_ssa_operands): New.  Parse entry point for operand building.
        (swap_tree_operands): New.  Swap 2 tree operands.
        (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
        operands.
        (get_expr_operands): Call swap_tree_operands when needed.
        (copy_virtual_operands): Use initialize routines for virtual use ops.
        (create_ssa_artficial_load_stmt): Add extra stmt parameter.
        (verify_abort): New.  Issue imm_use error.
        (verify_imm_links): New Verify imm_use links for a var.
        (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
        (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
        (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
        (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
        * tree-ssa-operands.h (struct use_operand_ptr): Delete.
        (NULL_USE_OPERAND_P) Define.
        (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
        use node.
        (struct vuse_operand_type): New struct.
        (SET_USE): Call set_ssa_use_from_ptr.
        (USE_STMT): Define.
        (PHI_ARG_INDEX_FROM_USE): Define.
        * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi 
        argument via SET_USE, not PHI_ARG_DEF_TREE.
        * tree-ssa-pre.c (eliminate): Call update_stmt.
        * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
        call free_df.
        * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
        (nearest_common_dominator_of_uses): Use imm_use iterator.
        (statement_sink_location): Use imm_use iterator and interface.
        (execute_sink_code): Don't call compute_immediate_uses or free-df.
        * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
        PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
        * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
        (verify_ssa): Ensure no stmt is marked modify after optimization pass
        if new parameter is true.
        (init_tree_ssa): Don't initialize operand cache here.
        (delete_tree_ssa): Don't destroy operand cache here.
        (propagate_into_addr): Pass in a use pointer, return true if anything
        was changed.
        (replace_immediate_uses): Use imm_use iterator, call update_stmt.
        (check_phi_redundancy): Use imm_use iterator.
        (kill_redundant_phi_nodes): Don't call compute_immediate_uses or 
        free_df.
        * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
        (release_ssa_name): Delink node and all elements in its imm_use list.
        * tree-tailcall.c (adjust_return_value): Call update_stmt.
        * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
        * tree-vectorizer.c (need_imm_uses_for): Delete.
        (vectorize_loops): Dont call compute_immediate_uses or free_df.
        * tree.h (struct ssa_imm_use_d): Define.
        (SSA_NAME_IMM_USE_NODE): Define.
        (struct tree_ssa_name): Add imm_use node.
        (PHI_DF): Delete.
        (PHI_ARG_IMM_USE_NODE): Define.
        (struct phi_arg_d): Add imm_use node.
        (struct tree_phi_node): Remove struct dataflow_d element.
        (TDF_STMTADDR): Define.

2005-04-05  Dale Johannesen  <dalej@apple.com>

        * doc/invoke.texi (Optimization Options):  Remove
        duplicate -fcse-follow-jumps.  Add -fweb.
        (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
        (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).

2005-04-05  Per Bothner  <per@bothner.com>

        * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
        to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
        (warn_uninit): Get EXPR_LOCUS from context now instead.
        This fixes a USE_MAPPED_LOCATION testsuite failure.

        * tree-ssa.c (warn_uninitialized_var): Remove useless local.

2005-04-05  Per Bothner  <per@bothner.com>

        * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
        of the artification 'return 0' in main() to BUILTINS_LOCATION.
        * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
        before warning. 

2004-04-05  Devang Patel  <dpatel@apple.com>

        * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
        (lhsr<mode>3): ... new name.
        (altivec_vsra<VI_char>): Rename to ..
        (ashr<mode>3): ... new name.
        * config/rs6000/rs6000.c (builtin_description): Rename shift
        operations.
        
2004-04-05  Paolo Bonzini  <bonzini@gnu.org>

        * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
        gen_lowpart_for_combine.
        * cse.c (gen_lowpart_if_possible): Move...
        * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
        gen_lowpart_SUBREG.
        (gen_lowpart_no_emit_general): Use it.

2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
        overriding.

2005-04-05  Paolo Bonzini  <bonzini@gnu.org>

        * system.h: Fix typo.

2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin-modes.def: New file.
        * config/bfin/bfin-protos.h: New file.
        * config/bfin/bfin.c: New file.
        * config/bfin/bfin.h: New file.
        * config/bfin/bfin.md: New file.
        * config/bfin/bfin.opt: New file.
        * config/bfin/crti.s: New file.
        * config/bfin/crtn.s: New file.
        * config/bfin/elf.h: New file.
        * config/bfin/lib1funcs.asm: New file.
        * config/bfin/predicates.md: New file.
        * config/bfin/t-bfin: New file.
        * config/bfin/t-bfin-elf: New file.
        * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
        Document new attributes.
        (interrupt, interrupt_handler, saveall): Update documentation for
        these attributes.
        * doc/install.texi (Specific): Add entry for the Blackfin.
        * doc/invoke.texi (Blackfin Options): New section.
        * doc/md.texi (Blackfin family): New section to document constraints.
        * config.gcc: Add bfin*-* and bfin*-elf configurations.

2005-04-05  Olivier Hainque  <hainque@adacore.com>
        
        * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
        match what the system unwinder expects.
        * config/mips/mips.c (mips_frame_set): If we're saving the return
        address register and the dwarf return address column number differs
        from the hard register number, adjust the note reg to refer to the
        former.

2004-04-05  Richard Sandiford  <rsandifo@redhat.com>

        * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
        * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
        (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
        (processor_type): New enum.
        (mn10300_processor): New variable.
        (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
        (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
        * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
        (PROCESSOR_DEFAULT): New macro.
        * config/mn10300/mn10300.c (mn10300_processor): New variable.
        (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
        (mn10300_handle_option, mn10300_override_options): New functions.
        * config/mn10300/mn10300.opt: New file.

2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
            Sebastian Pop <sebastian.pop@cri.ensmp.fr>

        PR tree-optimization/19903
        * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
        that don't fit in their type after conversion.

2005-04-05  Uros Bizjak <uros@kss-loka.si>

        PR target/20421
        * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
        (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
        Allocate local stack slots here.  Set ix86_optimize_mode_switching.
        flag here. Implement using define_insn_and_split.  
        (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
        (frndintxf2_mask_pm_i387): New insn patterns.
        (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
        Do not set ix86_optimize_mode_switching flag.
        (ceilsf2, ceildf2, ceilxf2): Same.
        (btruncsf2, btruncdf2, btruncxf2): Same.
        (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.

2005-04-05  Ian Lance Taylor  <ian@airs.com>

        PR debug/9963
        * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
        i386_pe_record_external_function.
        (i386_pe_record_external_function): Update declaration.
        * config/i386/winnt.c (struct extern_list): Add decl field.
        (i386_pe_record_external_function): Add decl parameter.
        (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
        identifier.
        * config/i386/i386-protos.h (i386_pe_record_external_function):
        Update declaration.

2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m68k/m68k-protos.h: Add a prototype for
        valid_dbcc_comparison_p_2.
        * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
        extend_operator, const_uint32_operand, const_sint32_operand,
        general_src_operand, nonimmediate_src_operand,
        memory_src_operand, post_inc_operand, pre_dec_operand,
        pcrel_address): Move to predicates to predicates.md.
        * config/m68k/m68k.h (PREDICATE_CODES): Remove.
        * config/m68k/m68k.md: Include predicates.md.
        * config/m68k/predicates.md: New.

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

        * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.

        * fold-const.c (maybe_lvalue_p): Delete orphaned comment.

2005-04-04  Ian Lance Taylor  <ian@airs.com>

        * c-typeck.c (struct c_switch): Rename switch_stmt field to
        switch_expr.
        (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
        (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
        (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
        Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
        * c-common.c (c_do_switch_warnings_1): New static function broken
        out of c_do_switch_warnings.
        (c_do_switch_warnings): Call c_do_switch_warnings_1.
        (c_do_switch_expr_warnings): New function.
        * c-common.h (c_do_switch_expr_warnings): Declare.

2005-04-04  David Edelsohn  <edelsohn@gnu.org>
            Daniel Jacobowitz  <dan@codesourcery.com>

        * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
        trapping divide.
        * rtlanal.c (may_trap_p): Same.

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

        * ChangeLog:  remove reference to ChangeLog.12.

2005-04-05  Hans-Peter Nilsson  <hp@axis.com>

        CRIS epilogue as RTL.
        * config/cris/cris.md: Change all 0 in unspec 0 to
        CRIS_UNSPEC_PLT.
        (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
        ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
        patterns.
        ("return"): Change to define_expand.  Call cris_expand_return for
        actual expansion.
        ("*return_expanded"): New pattern.
        ("epilogue"): New define_expand.
        * config/cris/cris.h (PREDICATE_CODES): Add
        cris_load_multiple_op.
        * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
        type.
        (enum cris_retinsn_type): New.
        (struct machine_function): New member return_type.
        (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
        (cris_target_asm_function_epilogue): Remove, moving RTLified
        contents to...
        (cris_expand_epilogue): New function.
        (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
        (cris_gen_movem_load, cris_load_multiple_op)
        (cris_return_address_on_stack_for_return, cris_expand_return): New
        functions.
        (cris_target_asm_function_prologue)
        (cris_initial_frame_pointer_offset): Call
        cris_reg_saved_in_regsave_area instead of complicated expression.
        Call cris_return_address_on_stack instead of an expression.
        (cris_print_operand) <case 'o', case 'O'>: New cases.
        (cris_return_address_on_stack): Change return-type to bool.
        (cris_simple_epilogue): Ditto.  Return false if registers are
        saved.
        * config/cris/cris-protos.h (cris_simple_epilogue)
        (cris_return_address_on_stack): Adjust prototype return type.
        (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
        (cris_return_address_on_stack_for_return): New prototypes.

2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>

        * config/frv/frv.h (PREDICATE_CODES): Add CONST to
        gpr_or_int12_operand.

        * config/frv/frv-protos.h: Add a prototype to
        frv_legitimate_memory_operand and frv_const_unspec_p.
        (frv_unspec): Move from frv.c.
        * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
        (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
        (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
        gpr_or_fpr_operand, gpr_or_int12_operand,
        gpr_fpr_or_int12_operand, fpr_or_int6_operand,
        gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
        int6_operand, int5_operand, uint5_operand, uint4_operand,
        uint1_operand, int_2word_operand, uint16_operand,
        upper_int16_operand, integer_register_operand,
        gpr_no_subreg_operand, fpr_operand, even_reg_operand,
        odd_reg_operand, even_gpr_operand, odd_gpr_operand,
        quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
        dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
        move_destination_operand, movcc_fp_destination_operand,
        frv_function_symbol_referenced_p, move_source_operand,
        condexec_dest_operand, condexec_source_operand,
        reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
        const_unspec_operand, gpr_or_memory_operand,
        gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
        icc_operand, fcc_operand, cc_operand, icr_operand,
        fcr_operand, cr_operand, call_operand, sibcall_operand,
        symbolic_operand, relational_operator,
        integer_relational_operator, float_relational_operator,
        ccr_eqne_operator, minmax_operator,
        condexec_si_binary_operator, condexec_si_media_operator,
        condexec_si_divide_operator, condexec_si_unary_operator,
        condexec_sf_conv_operator, condexec_sf_add_operator,
        condexec_memory_operand, intop_compare_operator, acc_operand,
        even_acc_operand, quad_acc_operand, accg_operand: Move to
        predicates.md.
        * config/frv/frv.h (PREDICATE_CODES): Remove.
        * config/frv/frv.md: Include predicates.md.
        * config/frv/predicates.md: New.

2004-04-04  Richard Sandiford  <rsandifo@redhat.com>

        PR target/19537
        * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
        * tree-ssa-loop-ivopts.c: Include langhooks.h.
        (add_standard_iv_candidates_for_size): New function, extracting code
        from add_standard_iv_candidates and parameterizing it by type size.
        (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.

2004-04-04  Richard Sandiford  <rsandifo@redhat.com>

        * system.h (GCOV_SIZE_TYPE): Unposion.
        * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
        (GCOV_TYPE_SIZE): ...this new macro.
        * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
        * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
        (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
        (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
        (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
        instead of unsigned_intSI_type_node.
        * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
        (rtl_gen_one_value_profiler_no_edge_manipulation)
        (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
        * value-prof.c: Include coverage.h.

2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
            Diego Novillo <dnovillo@redhat.com>
            
        Fix PR tree-optimization/20703
        Fix PR tree-optimization/20725
        
        * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
        (create_expression_by_pieces): Ditto.
        (valid_in_set): Ditto. Also handle tcc_declaration.
        (find_or_generate_expression): Handle comparison class.
        (insert_into_preds_of_block): Ditto.
        (insert_aux): Ditto.
        (create_value_expr_from): Handle comparison class, recursively
        handle reference nodes.
        (compute_avail): Handle comparison classes, rewrite a little cleaner.
        (execute_pre): Fix spacing.
        (do_fre): Renamed to execute_fre.

2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/invoke.texi (SPARC options): Document that
        -mlittle-endian is not supported on Linux either.

2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/4198
        PR target/12027
        * config.gcc (Obsolete configurations): Remove
        sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
        (sparclite-*-coff*): Delete.
        (sparclite-*-elf*): Likewise.
        (sparc86x-*-elf*): Likewise.
        (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
        * config/sparc/lite.h: Delete.
        * config/sparc/litecoff.h: Likewise.
        * config/sparc/liteelf.h: Likewise.
        * config/sparc/sp86x-elf.h: Likewise.
        * config/sparc/t-sparclite: Likewise.
        * config/sparc/t-sp86x: Likewise.

2005-04-04  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390-protos.h: (s390_comparison,
        s390_alc_comparison, s390_slb_comparison, const0_operand,
        consttable_operand, larl_operand, s_operand,
        shift_count_operand, bras_sym_operand, load_multiple_operation,
        store_multiple_operation, s390_plus_operand): Remove prototypes.
        (s390_legitimate_address_without_index_p): New prototype.
        * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
        to s390.h.
        (s390_comparison, s390_alc_comparison, s390_slb_comparison,
        const0_operand, consttable_operand, larl_operand, s_operand,
        shift_count_operand, bras_sym_operand, load_multiple_operation,
        store_multiple_operation, s390_plus_operand): Move to
        predicates.md.
        (check_mode): Remove.
        (s390_branch_condition_mask): Remove 'static'. Move prototype to
        s390-protos.h.
        (s390_legitimate_address_without_index_p): New.
        * config/s390/s390.h (PREDICATE_CODES): Remove.
        * config/s390/s390.md: Include predicates.md.
        * config/s390/predicates.md: New.

2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/20446
        * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
        * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
        (NEED_INDICATE_EXEC_STACK): Define to 1.
        * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
        (NEED_INDICATE_EXEC_STACK): Define to 1.
        * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
        (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
        (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
        (pic_helper_emitted_p): New global.
        (emit_pic_helper): New function extracted from...
        (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
        Do not call emit_pic_helper if delay_pic_helper is true.
        (sparc_expand_prologue): Pass 'false' to load_pic_register.
        (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
        (sparc_file_end): New function.

2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mcore/mcore-protos.h: Remove the prototypes for
        mcore_arith_reg_operand, mcore_general_movsrc_operand,
        mcore_general_movdst_operand, mcore_reload_operand,
        mcore_arith_J_operand, mcore_arith_K_operand,
        mcore_arith_K_operand_not_0, mcore_arith_M_operand,
        mcore_arith_K_S_operand, mcore_arith_imm_operand,
        mcore_arith_any_imm_operand, mcore_arith_O_operand,
        mcore_literal_K_operand, mcore_addsub_operand,
        mcore_compare_operand, mcore_load_multiple_operation,
        mcore_store_multiple_operation, mcore_call_address_operand.
        Add a prototype for const_ok_for_mcore.
        * config/mcore/mcore.c (mcore_call_address_operand,
        mcore_general_movsrc_operand, mcore_general_movdst_operand,
        mcore_arith_reg_operand, mcore_reload_operand,
        mcore_arith_J_operand, mcore_arith_K_operand,
        mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
        mcore_arith_M_operand, mcore_arith_imm_operand,
        mcore_arith_any_imm_operand, mcore_arith_O_operand,
        mcore_literal_K_operand, mcore_addsub_operand,
        mcore_compare_operand, mcore_load_multiple_operation,
        mcore_store_multiple_operation): Move to predicates.md.
        (const_ok_for_mcore): Export.
        * config/mcore/mcore.h (PREDICATE_CODES): Remove.
        * config/mcore/mcore.md: Include predicates.md.
        * config/mcore/predicates.md: New.

        * config/mcore/predicates.md: Fix a comment typo.

2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
            Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
        * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
        * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
        attribute.
        ("imul"): Removed from "type" attribute.
        ("*muldi3_sign", "muldi3"): Changed type to imuldi.
        ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"): 
        Changed type to imulsi.
        ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.

2005-04-04  Richard Sandiford  <rsandifo@redhat.com>

        * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
        (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
        (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
        (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
        (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
        (TARGET_SWITCHES, mcore_stack_increment_string)
        (TARGET_OPTIONS): Delete.
        (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
        than *_BIT constants.
        (TARGET_8ALIGN): #undef old definition before redefining to 1.
        * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
        (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
        (mcore_override_options): Delete mcore_stack_increment code.
        Change use of M340_BIT to MASK_M340.
        * config/mcore/mcore.opt: New file.

2005-04-04  Ian Lance Taylor  <ian@airs.com>

        * config/arm/arm.c (replace_symbols_in_block): Remove static
        function.

2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>

        * config/fr30/fr30-protos.h: Remove the prototypes for
        stack_add_operand, add_immediate_operand,
        high_register_operand, low_register_operand, call_operand,
        di_operand, and nonimmediate_di_operand.
        * config/fr30/fr30.c (stack_add_operand,
        add_immediate_operand, high_register_operand,
        low_register_operand, call_operand, di_operand,
        nonimmediate_di_operand): Move to predicates.md.
        * config/fr30/fr30.h (PREDICATE_CODES): Remove.
        * config/fr30/fr30.md: Include predicates.md.
        * config/fr30/predicates.md: New.

        * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
        LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
        mcore_call_address_operand.

        * config/sh/sh.h (PREDICATE_CODES): Add CONST to
        general_movsrc_operand.

2005-04-04  Alan Modra  <amodra@bigpond.net.au>

        * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
        after freeing.

2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>

        PR target/14812
        * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
        a negated value.

2005-04-04  Richard Henderson  <rth@redhat.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/16104
        * fold-const.c (fold_unary): Fix folding of vector conversions.

2005-04-04  Richard Sandiford  <rsandifo@redhat.com>

        * config.gcc (xstormy16-*-elf): Set extra_options.
        * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
        * config/stormy16/stormy16.opt: New file.

2005-04-04  Richard Sandiford  <rsandifo@redhat.com>

        * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
        (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
        (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
        (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
        (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
        (TARGET_UNIX_ASM): Delete.
        (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
        * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
        * config/pdp11/pdp11.c (pdp11_handle_option): New function.
        (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
        * config/pdp11/pdp11.opt: New file.

2005-04-03  Roger Sayle  <roger@eyesopen.com>
            Alexandre Oliva  <aoliva@redhat.com>

        PR c++/19199
        * fold-const.c (non_lvalue): Split tests into...
        (maybe_lvalue_p): New function.
        (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
        C++ front-end prior to lowering into gimple form.

2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
        BUILT_IN_STRNCASECMP): New.
        * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
        and strndup.

2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>

        PR target/14812
        * arm.md (addsi3_compare0_for_combiner): Delete.
        (addsi3_compare0_scratch_for_combiner): Delete.
        (cmpsi_neg_shiftsi): Delete.
        (compare_negsi_si): New pattern.
        (cmpsi_negshiftsi_si): New pattern.
        (negated_cbranchsi4): Restrict to equality_operator.
        
        * arm.md (movhi_insn_arch4): delete trailing white space from assembler
        template.

2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>

        * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
        Fix comment typos.

        * doc/install.texi: Fix a typo.

2005-04-03  Steven Bosscher  <stevenb@suse.de>

        PR middle-end/20648
        * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
        a computed goto if the edge to the computed goto block has
        incoming abnormal edges.  Clarify how the function works.

2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>

        * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
        * passes.c (open_dump_file, rest_of_handle_final): Likewise.
        * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
        hash_scan_set, reg_set_between_after_reload_p,
        reg_used_between_after_reload_p, get_avail_load_store_reg,
        eliminate_partially_redundant_load): Likewise.
        * postreload.c (reload_cse_simplify_set,
        reload_combine_note_use): Likewise.
        * predict.c (predict_insn, expected_value_to_br_prob,
        propagate_freq, expensive_function_p): Likewise.
        * print-rtl.c (print_rtx): Likewise.
        * profile.c (instrument_edges, instrument_values,
        compute_branch_probabilities, branch_prob, union_groups,
        tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
        * protoize.c (in_system_include_dir, file_could_be_converted,
        file_normally_convertible, gen_aux_info_file, seek_to_line,
        do_cleaning): Likewise.
        * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
        * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
        * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.

2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>

        * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
        * modulo-sched.c (undo_replace_buff_elem): New structure.
        (kernel_number_of_cycles, ps_unschedule_node,
        undo_generate_reg_moves,free_undo_replace_buff,
        undo_permute_partial_schedule,  loop_single_full_bb_p,
        SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
        build_loops_structure, get_sched_window): New.
        (generate_reg_moves): Return undo_replace_buff_elem and other
        fixes.
        (generate_prolog_epilog): Remove old loop versioning.
        (sms_schedule): Use loop information and loop_version.
        (sms_schedule_by_order): Split part of it to get_sched_window.
        * passes.c (rest_of_handle_sms): call cfg_layout_initialize
        cfg_layout_finalize and free_dominance_info before/after SMS.

2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>

        * cfghooks.c (lv_flush_pending_stmts,
        cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
        lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
        * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
        lv_add_condition_to_bb,
        lv_adjust_loop_header_phi, extract_cond_bb_edges,
        flush_pending_stmts): New in cfg_hooks structure.
        (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
        extract_cond_bb_edges, lv_adjust_loop_header_phi,
        lv_add_condition_to_bb): New declarations.
        * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
        bool.
        (loop_version): Declare.
        * cfgloopmanip.c (cfghooks.h): Include.
        (duplicate_loop_to_header_edge): Change return type to bool.
        (loop_version, lv_adjust_loop_entry_edge): Move here.
        * cfgrtl.c (cfgloop.h): Include.
        (rtl_verify_flow_info_1): Fix.
        (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
        (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
        initialization.
        * tree-cfg.c (tree_lv_adjust_loop_header_phi,
        tree_lv_add_condition_to_bb): New.
        (tree_cfg_hooks): Add new hooks to initialization.
        * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
        lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.

2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>

        * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
        xstormy16_below100_or_register,
        xstormy16_splittable_below100_or_register, and
        nonimmediate_nonstack_operand.

        * config/stormy16/stormy16-protos.h: Remove the prototypes for
        xstormy16_ineqsi_operator, equality_operator,
        inequality_operator, shift_operator,
        xstormy16_below100_operand, xstormy16_below100_or_register,
        xstormy16_splittable_below100_or_register,
        xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
        * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
        equality_operator, inequality_operator,
        xstormy16_below100_operand, xstormy16_below100_or_register,
        xstormy16_splittable_below100_or_register,
        xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
        nonimmediate_nonstack_operand, shift_operator): Move to
        predicates.md.
        * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
        * config/stormy16/stormy16.md: Include predicates.md.
        * config/stormy16/predicates.md: New.

2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>

        * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
        small_int, large_int, reg_or_0_operand, simple_memory_operand,
        equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
        move_operand, power_of_2_operand): Move to predicates.md.
        * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
        PREDICATE_CODE): Remove.
        * config/iq2000/iq2000.md: Include predicates.md.
        * config/iq2000/predicates.md: New.

2005-04-02  Richard Sandiford  <rsandifo@redhat.com>

        * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
        (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
        (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
        (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
        (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
        (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
        (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
        (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
        (TARGET_M68HC11): Delete.
        (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
        * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
        * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
        (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
        (nb_soft_regs): Delete.
        (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
        (m68hc11_override_options): Remove the code that caters for MASK_M6811
        and MASK_M6812 being set simultaneously.  Change the code that sets
        the default m68hc11_soft_reg_count to use integers instead of strings.
        (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
        m68hc11_soft_reg_count (which now has an int type) as the number
        of soft registers.
        * config/m68hc11/m68hc11.opt: New file.

2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>

        * config/fr30/fr30.h (PREDICATE_CODES): Remove
        fp_displacement_operand, sp_displacement_operand.

        * config/m68hc11/m68hc11-protos.h: Add a prototype for
        m68hcc_auto_inc_p.
        Remove the prototypes for tst_operand, cmp_operand,
        stack_register_operand, d_register_operand,
        hard_addr_reg_operand, splitable_operand,
        m68hc11_logical_operator, m68hc11_arith_operator,
        m68hc11_non_shift_operator, m68hc11_shift_operator,
        m68hc11_unary_operator, m68hc11_eq_compare_operator,
        non_push_operand, hard_reg_operand, and
        reg_or_some_mem_operand.
        * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
        extern.
        (tst_operand, cmp_operand, non_push_operand,
        splitable_operand, reg_or_some_mem_operand,
        stack_register_operand, d_register_operand,
        hard_addr_reg_operand, hard_reg_operand,
        m68hc11_eq_compare_operator, m68hc11_logical_operator,
        m68hc11_arith_operator, m68hc11_non_shift_operator,
        m68hc11_shift_operator, m68hc11_unary_operator): Move to
        predicates.md.
        * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
        * config/m68hc11/m68hc11.md: Include predicates.md.
        * config/m68hc11/predicates.md: New.

2005-04-02  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/19345
        * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
        change checked in along with 2005-03-03's patch for debug/20253.
        * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
        (remap_decl): Insert type decl in map earlier.

2005-04-02  Alexandre Oliva  <aoliva@redhat.com>

        PR tree-optimization/20640
        * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
        post-dominator if it has phi nodes.
        (eliminate_unnecessary_stmts): Remove dead phis in all blocks
        before dead statements.

2005-04-02  Alexandre Oliva  <aoliva@redhat.com>

        PR middle-end/20491
        * final.c (alter_subreg): Don't call subreg_regno for a non-REG.

2005-04-02  Alexandre Oliva  <aoliva@redhat.com>

        PR rtl-optimization/20290
        * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
        in every iteration if the entry point is the exit test.

2005-04-02  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.md (attribute "length"): Define.

2005-04-02  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
        (word_offset_memref_operand): New.
        * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
        (indexed_or_indirect_operand): Delete.
        * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
        (indexed_or_indirect_operand): Delete.

        * config/rs6000/t-darwin8: Comment out ppc64 multilib.

        PR 20650
        * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
        a register.

        * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
        * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.

2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>

        * gcc/config/vax/vax.md: Spellcheck, fix whitespace.

2005-04-01  Ian Lance Taylor  <ian@airs.com>

        * gcc.c: Don't include <sys/resource.h> or declare getrusage.
        (rus, prus): Remove static variables.
        (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
        (process_command): Permit report_times and use_pipes together.

2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>

        * c-decl.c (validate_proto_after_old_defn): Look at
        TYPE_MAIN_VARIANT of argument types.

2005-04-01  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (thumb_call_via_label): Include space for SP.
        (arm_output_function_epilogue): Allow call_via_SP.
        (thumb_call_via_reg, arm_file_end): Ditto.
        * config/arm/arm.h (struct machine_function): Include space for SP.
        (thumb_call_via_label): Update declaration.

2005-04-01  Ian Lance Taylor  <ian@airs.com>

        * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
        doing a peephole optimization, once again put any notes in the
        proper position.

2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>

        * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.

2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>

        * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
        (block_alloc, find_free_reg): Likewise.
        * loop-doloop.c (doloop_modify): Likewise.
        * loop-invariant.c (record_use): Likewise.
        * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
        get_iv_value, canon_condition, eliminate_implied_condition,
        eliminate_implied_condition, simplify_using_initial_values,
        shorten_into_mode, canonicalize_iv_subregs,
        iv_number_of_iterations): Likewise.
        * loop-unroll.c (expand_var_during_unrolling): Likewise.
        * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
        unswitch_loop): Likewise.
        * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
        move_movables, replace_call_address, find_and_verify_loops,
        rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
        record_giv, final_giv_value, general_induction_var,
        simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
        loop_giv_dump): Likewise.

        * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
        GCOV_CHECK_WRITING): Remove.
        (gcov_position, gcov_rewrite): Use gcc_assert.
        * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
        gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
        * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
        gcc_assert.

2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-inline.c: Fix a typo.

2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>

        * configure.ac (enable-checking): Explicitly set all variables for
        collective switch values.  Alphabetize variables. Rename
        ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
        synonym for 'no'.
        * doc/install.texi (enable-checking): Update documentation.
        * configure: Rebuilt.

2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
        possible.

2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>

        * arm.c (adjacent_mem_locations): Reject volatile memory refs.
        Also reject cases where this pattern will cause load delay stalls
        unless optimizing for size and it will produce a shorter sequence.
        * arm.md (arith_adjacent_mem): Make better use of ldm addressing
        variants to avoid pre-adjusting the base when possible.

2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>

        * arm.md (minmax_arithsi): Reject all eliminable registers, not just
        the frame and argument pointers.
        (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
        (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
        (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
        (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
        (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
        (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.

2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
        with entry for selectany attribute.
        * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
        Declare.
        * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
        (i386_pe_asm_named_section): Handle sections generated by
        selectany attribute.
        * doc/extend.texi (selectany): Document attribute.

2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
            Jan Hubicka  <jh@suse.cz>

        * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
        to fix addresses involving EBP and ESP.
        (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
        for SUBREGed registers.
        (legitimate_address_p): Accept SUBREGed registers.

2005-04-01  Jakub Jelinek  <jakub@redhat.com>

        PR c++/19406
        * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
        (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
        for FIELD_DECLs.

2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.

2005-04-01  James E Wilson  <wilson@specifixinc.com>

        PR c++/20505
        * dwarf2out.c (rtl_for_decl_init): New function.
        (rtl_for_decl_location): Extracted from here.
        (tree_add_const_value_attribute): Call rtl_for_decl_init and
        add_const_value_attribute.  Delete initializer_constant_valid_p call.

2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>

        * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
        lambda-code.c, loop.c, machmode.def, mips-tfile.c,
        modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
        tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
        config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
        config/i386/i386.md, config/rs6000/predicates.md,
        config/rs6000/rs6000.c, config/s390/fixdfdi.h,
        config/s390/s390.c, config/stormy16/stormy16.c,
        config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
        typos.

2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/17855
        * gimplify.c (gimplify_expr): Create a temporary for lvalue
        COND_EXPR and CALL_EXPR.

2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/20632
        * genautomata.c (first_cycle_unit_presence): Check all alternative
        states for unit presence.

        * doc/md.texi: Remove remark about impossibility to query unit
        presence in non nondeterministic automaton state.
        
        * config/ia64/ia64.c (get_template): Change order of unit querying.

2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
        obsolete comment.

2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>

        * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
        flag for edges outside any loops.

2005-03-31  Janis Johnson  <janis187@us.ibm.com>

        * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.

2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-alias.c: Follow spelling conventions.
        * doc/tree-ssa.texi: Fix a typo.

2005-03-31  J"orn Rennecke <joern.rennecke@st.com>

        * postreload-gcse.c: Include target.h.
        (gcse_after_reload_main): Return early if we cannot modify jumps.
        * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).

2005-03-31  David Edelsohn  <edelsohn@gnu.org>

        * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
        expensive operations.

2005-03-31  Ian Lance Taylor  <ian@airs.com>

        * collect2.c (lderrout): New variable.
        (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
        if it is set, to stderr.
        (handler): Unlink lderrout if it is set.
        (dump_file): Add "to" parameter.  Change all callers.
        (main): Initialize lderrout.
        (collect_execute): Add errname parameter.  Change all callers.
        Rename redir parameter to outname.  Never pass
        PEX_STDERR_TO_STDOUT to pex_run.
        * collect2.h (collect_execute, dump_file): Update declarations.
        * tlink.c (tlink_execute): Add errname parameter.  Change all
        callers.
        (do_tlink): Check lderrout as well as ldout.

2005-03-31  Caroline Tice  <ctice@apple.com>

        * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
        (bb-reorder.o): Add errors.h to list of requirements.
        (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
        profiledbootstrap flags.
        * bb-reorder.c (errors.h): Add new include.
        (struct bbro_basic_block_data_def): Add new field, in_trace.
        (add_unlikely_executed_notes):  Remove function.
        (mark_bb_for_unlikely_executed_section): Remove function.
        (insert_section_boundary_note): New function.
        (verify_hot_cold_block_grouping): New function.
        (push_to_next_round_p): Remove variables and tests that push all
        cold blocks to last round.
        (find_traces): Remove code that added extra round of trace finding
        when doing partitioning.
        (find_traces_1_round) :  Remove variable last_round;  add code to 
        update new struct field, in_trace; correct trace_length where it was 
        incorrect before (after call to copy_bb); change code that pushed all 
        cold blocks to last round. Instead verify that all blocks going into 
        a trace belong in the same partition.
        (connect_traces): Modify to connect the traces in two passes, if the
        function contains both hot and cold blocks.  The first pass connects 
        all the traces for blocks in the partition that the first block in 
        the function belongs to; the second pass connnects all the traces 
        containing blocks that belong in the other partition.
        (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
        code that automatically put the first block in a function into the
        hot partition if the function had any hot blocks.
        (fix_crossing_unconditional_branches): Check number of succ edges 
        before attempting to get one.
        (fix_edges_for_rarely_executed_code):  Update comment describing
        function.
        (reorder_basic_blocks):  Add code to initialize new field (in_trace);
        remove call to add_unlikely_executed_notes; add call to 
        verify_hot_cold_block_grouping.
        (duplicate_computed_gotos): Don't change computed goto if it's a 
        crossing edge.
        (partition_hot_cold_basic_blocks):  Update function comment.
        * cfgcleanup.c (try_simplify_condjump): Remove redundacy from 
        condition.
        (try_forward_edges): Likewise.
        (merge_blocks_move_predecessor_nojumps): Likewise.
        (merge_blocks_move_successor_nojumps): Likewise.
        (merge_blocks_move): Likewise.
        (try_crossjump_bb): Likewise.
        * cfglayout.c (update_unlikely_executed_notes): Remove function.
        (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
        notes to cold bb's; remove call to update_unlikely_executed_notes.
        (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
        NOTE_INSN_SWITCH_TEXT_SECTIONS.
        * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
        function declaration.
        * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
        from consideration.
        (rtl_can_merge_blocks): Remove redundancy from condition.
        (try_redirect_by_replacing_jump): Likewise.
        (force_nonfallthru_and_redirect): Remove code for adding
        UNLIKELY_EXECUTED_CODE notes to cold bb's.
        (commit_one_edge_insertion): Likewise.
        (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
        * dbxout.c (FORCE_TEXT): Replace function_section with 
        current_function_section.
        (struct dbx_debug_h): Add do_nothing function for new debug_hooks
        function, switch_text_section.
        (struct xcoff_debug): Likewise.
        (dbxout_function_end): Add code to put out label diffs for both
        hot and cold sections.
        * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
        for new debug_hooks funciton, switch_text_section..
        * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
        switch_text_section.
        * dwarf2out.c (struct dw_fde_struct):  Add five new fields: 
        dw_fde_hot_section_label, dw_fde_hot_section_end_label, 
        dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and 
        dw_fde_switched_sections.
        (output_call_frame_info):  Add test to see if function switches text
        sections in the middle; if so, use appropriate extra hot and cold 
        section labels to compute size deltas for the hot and cold sections.
        (dwarf2out_begin_prologue): Add code to initialize new fields in 
        dw_fde_struct.
        (dwarf2out_switch_text_section): New function (invoked through 
        debug_hook); updates new fields in dw_fde_struct appropriately and
        increments separate_line_info_table_in_use.
        (dwarf2_debug_hooks): Initialize switch_text_section function to be
        dwarf2out_switch_text_section.
        (struct var_loc_node): Add new field, section_label.
        (output_aranges): Add code to check whether in hot or cold section and
        use the appropriate label in calculating deltas.
        (output_ranges): Likewise.
        (output_line_info): Add code to check which section we're in and
        use appropriate hot/cold label.
        (add_location_or_constant_value_attribute): Likewise.
        (gen_subprogam_die): Modify arange attributes to use correct labels.
        (dwarf2out_begin_block): Change call to function_section into call to
        current_function_section.
        (dwarf2out_end_block): Likewise.
        (dwarf2out_source_line): Likewise.
        (dwarf2out_var_location): Add code to check whether in hot or cold 
        section and use the appropriate label.
        * except.c (output_function_exception_table): Change call to 
        function_section into call to current_function_section.
        * final.c (profile_function): Likewise.
        (scan_ahead_for_unlikely_executed_note): Remove function.
        (final_scan_insn):  Remove calls to 
        scan_ahead_for_unlikely_executed_note, and related code for switching 
        to cold section, except for the single time 
        NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to 
        debug_hooks->switch_text_sections; replace appropriate calls to 
        function_section with calls to current_function_section.
        * ifcvt.c (find_if_case_1): Remove redundancy from condition, add 
        test_bb to condition.
        (find_if_case_2): Likewise.
        * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
        NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
        * opts.c (decode_options): Change warning about hot/cold partitioning
        with exceptionss to inform (so as not to cause bootstrap failures);
        remove warning about partitioning with DWARF debug info.
        * output.h (current_function_section): Add new function decl.
        (insert_section_boundary_note): Likewise.
        (enum in_section): Move this declaration here from varasm.c.
        (unlikely_section_label): Likewise.
        (unlikely_text_section_name): Likewise.
        (last_text_section_name): New global variable.
        (last_text_section): Likewise.
        (hot_section_label): Likewise.
        (hot_section_end_label): Likewise.
        (cold_section_end_label): Likewise.
        * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
        * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
        to NOTE_INSN_SWITCH_TEXT_SECTIONS.
        * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note 
        insn from consideration.
        * sdbout.c (sdb_debug_hooks): Add do_nothing for new function, 
        switch_text_section.
        * varasm.c (basic-block.h): Add new include.
        (unlikely_section_label_printed): Remove global variable.
        (unlikely_section_label): Make global variable not be static any more.
        (unlikely_text_section_name): Likewise.
        (hot_section_end_label): New global variable (not static)
        (first_function_block_is_cold): Likewise.
        (hot_section_label): Likewise.
        (cold_section_end_label): Likewise..
        (last_text_section): New global variable, not static.
        (last_text_section_name): New global variable, not static.
        (initialize_cold_section_name): New function.
        (enum in_section): Move declaration to output.h.
        (text_section): Update last_text_section.
        (unlikely_text_section): Replace code to determine cold section name 
        with call to initialize_cold_section_name; Add code to update 
        last_text_section; remove code for printing out label.
        (named_section_real): Add code to update last_text_section and 
        last_text_section_name as appropriate.
        (function_section): Change test for 'unlikely' to depend on
        first_function_block_is_cold (moved old test to 
        current_function_section).
        (current_function_section): New function.
        (assemble_start_function): Move code that frees 
        unlikely_text_section_name; initialize hot_section_end_label; 
        print hot and cold section labels at the start of the function; 
        set first_function_block_is_cold, if appropriate; initialize l
        ast_text_section; add call to insert_section_boundary_note.
        (assemble_end_function):  Add code to write out hot and cold section
        end labels.
        *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
        switch_text_section.
        * config/darwin.c (machopic_select_section): Replace incorrect 
        function in base_funs; update reloc for cold sections if necessary.
        * config/darwin.h (SECTION_FUNCTION):  Add code to update 
        last_text_section if appropriate.
        (text_unlikely_section): Remove.
        * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
        * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
        * config/xtensa/xtensa.c (override_options): Turn off hot/cold
        partitioning for this architecture.

2005-03-31  Olivier Hainque  <hainque@adacore.com>

        * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
        defined and non-zero.

2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        PR c++/18644
        * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
        semantics. 

2005-03-31  Alan Modra  <amodra@bigpond.net.au>

        PR target/20611
        * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
        label operand.  Remove (use (unspec..)).  Don't emit a label on
        the offset word.
        * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
        generate inline label for load_toc_v4_PIC_1b.
        (rs6000_emit_load_toc_table): Likewise.

2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>

        * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
        ns32k-*-netbsdelf*, and ns32k-*-netbsd*.

2005-03-29  Devang Patel  <dpatel@apple.com>

        * tree-sra.c (decide_block_copy): Disable scalarization of
        sub-elements.
        
2005-03-30  Stuart Hastings  <stuart@apple.com>
            Dale Johannesen  <dalej@apple.com>

        * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
        * print-tree.c (print_node):  Add case STATEMENT_LIST.

2005-03-31  Alan Modra  <amodra@bigpond.net.au>

        * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
        (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
        (powerpc-*-linux*): Build a biarch compiler when --enable-targets
        is given with "powerpc64*" or "all", or when --with-cpu chooses
        a 64-bit cpu.

2005-03-30  James E. Wilson  <wilson@specifixinc.com>

        PR debug/20268
        * dwarf2out.c (add_high_low_attributes): New function, extracted from
        gen_lexical_block_die.
        (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.

2005-03-31  Jan Hubicka  <jh@suse.cz>

        2004-11-02  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_varpool_node_name): New function.
        (dump_cgraph_varpool_node): New function.
        (dump_varpool): New function.
        * cgraphunit.c (cgraph_optimize): Dump varpool.

        2004-10-16  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (decide_is_variable_needed): New function.
        (cgraph_varpool_finalize_decl): Use it.
        * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
        unit-at-a-time.
        * final.c (output_addr_const): Do not call mark_referenced.
        * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
        always go via cgraph.
        * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
        (check_global_declarations): Ifdef out code clearing DECL_RTL.
        * tree-optimize.c (execute_inline): Mark functions called.
        * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.

        2004-10-11  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
        (cgraph_varpool_last_needed_node): New static variable.
        (enqueue_needed_varpool_node): Break out from ...; add items to the
        end of queue; update first pointers.
        (cgraph_varpool_mark_needed_node): ... here.
        (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
        (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
        * cgraph.h (cgraph_varpool_node): Add analyzed field.
        (cgraph_varpool_first_unanalyzed_node): Declare.
        * cgraphunit.c: Include output.h.
        (cgraph_varpool_analyze_pending_decls): New function.
        (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
        for errors, analyze pending decls.
        (cgraph_finalize_compilation_unit): Only analyze decls.
        (cgraph_optimize): Assemble the decls after expanding.

2005-03-30  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
        subvars get marked properly in tags for grouping.
        (add_pointed_to_var): Mark only actual pointed to
        variables/subvars in addresses needed.
        (create_overlap_variables_for): Clear call clobbered on original
        variable.
        * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
        addresable vars with subvars into list.
        * tree-ssa.c (verify_ssa_name): Verify original is not used where
        subvar should be.

2005-03-30  Richard Henderson  <rth@redhat.com>

        * cgraph.h (struct cgraph_node): Add alias.
        * varasm.c (assemble_alias): Set it.
        * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
        avoid calling cgraph_expand_function.

2005-03-30  Tom Tromey  <tromey@redhat.com>

        * tree.def (FILE_TYPE): Removed.
        * typeclass.h (enum type_class): Removed file_type_class.
        * dwarf2out.c (is_base_type): Updated.
        (gen_type_die): Likewise.
        * dbxout.c (dbxout_type): Updated.
        * builtins.c (type_to_class): Updated.
        * tree.c (type_contains_placeholder_1): Updated.
        * config/sparc/sparc.c (sparc_type_code): Updated.
        * config/ia64/ia64.c (hfa_element_mode): Updated.
        * expr.c (count_type_elements): Updated.
        * stor-layout.c (layout_type): Updated.
        * tree-inline.c (remap_type): Updated.
        * tree-pretty-print.c (dump_generic_node): Updated.

2005-03-30 Fariborz Jahanian <fjahanian@apple.com>

        * builtins.c (expand_builtin_powi): Fix mode of
        2nd argument to match int.
        * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
        2nd argument type to int.
        * libgcc2.c: Change prototype of __powi* functions to use
        int.

2005-03-30  Dale Johannesen  <dalej@apple.com>

        PR middle-end/19225
        * calls.c (expand_call):  Flush pending deferrals before
        throwing call.

2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/772
        PR c/17913
        * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
        C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
        c_label_context, label_context_stack): New.
        * c-decl.c (define_label): Check for jumps into statement
        expressions.  Add label to list of defined labels.
        (start_function): Push context on label_context_stack.
        (finish_function): Pop context from label_context_stack.
        * c-typeck.c (label_context_stack): New.
        (c_finish_goto_label): Check for jumps into statement
        expressions.  Add label to list of jumped to labels.
        (struct c_switch): Add blocked_stmt_expr.
        (c_start_case): Initialize it.
        (do_case): Check it.
        (c_finish_case): Verify !blocked_stmt_expr.
        (c_begin_stmt_expr):  Push context on label_context_stack.
        Increment blocked_stmt_expr.  Mark labels jumped to from outside
        as undefinable.
        (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
        defined in the statement expression and no longer jumpable to.
        Mark labels jumped to from just outside the statement expression
        as again definable.  Pop context from label_context_stack.
        * doc/extend.texi (Statement Exprs): Update.

2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/20368
        * c-decl.c (start_function): Check for old_decl being
        error_mark_node.

2005-03-30  Ian Lance Taylor  <ian@airs.com>

        * final.c (final): Remove prescan parameter.  Change all callers.
        (final_scan_insn): Remove prescan parameter.  Change all callers.

2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-vectorizer.c: Fix comment typos.

2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>

        * tree-scalar-evolution.c (instantiate_parameters_1): Return
        as soon as a chrec_dont_know is detected.

2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>

        Merge from csl-arm-branch.
        2004-02-12  Mark Mitchell  <mark@codesourcery.com>

        * tlink.c (recompile_files): Do not assume that "rename" can
        overwrite an existing file.

2005-03-31  Paolo Bonzini  <bonzini@gnu.org>

        * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
        * gcc/configure: Regenerate.

2005-03-30  Alan Modra  <amodra@bigpond.net.au>

        * doc/install.texi: Update binutils requirement for powerpc*-linux.

        * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.

        * calls.c (struct arg_data): Update "partial" comment.
        (load_register_parameters): Update "nregs" comment.

2005-03-30  Richard Sandiford  <rsandifo@redhat.com>

        * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
        (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
        (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
        (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
        (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
        (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
        than target_flags & 0.
        * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
        (iq2000_arch, iq2000_parse_cpu): Delete.
        (TARGET_HANDLE_OPTION): Override default.
        (iq2000_handle_option): New function.
        (override_options): Remove -march= and -mcpu= handling.
        * config/iq2000/iq2000.opt: New file.

2005-03-30  Richard Sandiford  <rsandifo@redhat.com>

        * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
        * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
        (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
        (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
        (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
        (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
        (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
        (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
        (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
        (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
        (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
        (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
        (c4x_rpts_cycles_string, c4x_cpu_version_string)
        (TARGET_OPTIONS): Delete.
        (c4x_rpts_cycles, c4x_cpu_version): Declare.
        (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
        (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
        * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
        (c4x_cpu_version_string): Delete.
        (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
        (c4x_handle_option): New function.  Map -m3x and -m4x options to the
        equivalent -mcpu= option.
        (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
        Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
        TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
        or clearing the appropriate MASK_* bit.
        (c4x_file_start): Use c4x_cpu_version.
        * config/c4x/c4x.opt: New file.

2005-03-30  Richard Sandiford  <rsandifo@redhat.com>

        * doc/options.texi: Document the new MaskExists flag.
        * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
        if the option has the MaskExists flag.

2005-03-30  Richard Sandiford  <rsandifo@redhat.com>

        * opt-functions.awk (flag_set_p, test_flag): New functions.
        (switch_flags): Use them.
        * opth-gen.awk: Use flag_set_p to check for flags.
        * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.

2005-03-30  Ian Lance Taylor  <ian@airs.com>

        * config.host (i[34567]86-*-mingw32*): Don't set
        host_can_use_collect2 to no.

2005-03-30  Alan Modra  <amodra@bigpond.net.au>

        PR target/20203
        * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
        Remove convert_memory_address call duplicating that in memory_address.

2005-03-29  Richard Henderson  <rth@redhat.com>

        PR c/20519
        * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
        (build_compound_literal): Likewise.  Propagate decl type into the
        initializer.
        (finish_decl): Likewise.  Use new return value from complete_array_type
        for zero sized arrays.
        (complete_array_type): Move ...
        * c-common.c (complete_array_type): ... here.  Change first argument
        to pointer-to-type-node.  Consistently use sizetype for the index
        except for zero sized arrays.  Detect zero sized arrays for pedantic
        mode diagnostics.  Create a new type node instead of modifying the
        old node in place.
        * c-tree.h (complete_array_type): Move decl ...
        * c-common.h (complete_array_type): ... here.

2005-03-29  Richard Henderson  <rth@redhat.com>

        PR tree-opt/19108
        * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.

2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>

        * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
        debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
        rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
        tree-profile.c, tsystem.h, value-prof.h: Update copyright.

2005-03-29  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
        truthvalue conversion removal.

2005-03-29  Ian Lance Taylor  <ian@airs.com>

        PR bootstrap/14316
        * collect2.c: Never include <vfork.h>.
        (VFORK_STRING, vfork): Don't define.
        (pid): Remove global variable.
        (handler): Call raise instead of kill (getpid(), ...).
        (collect_wait): Add pex parameter.  Change all callers.  Use
        pex_get_status rather than pwait.
        (do_wait): Add pex parameter.  Change all callers.
        (collect_execute): Return struct pex_obj * rather than void.  Use
        pex routines rather than pexecute.
        (fork_execute): Get pex_obj from collect_execute, and pass it to
        do_wait.
        (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
        Only declare quit_handler if SIGQUIT is defined.
        (scan_libraries): Likewise.
        * collect2.h (collect_execute): Update declaration.
        (collect_wait): Update declaration.
        * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
        pass it to collect_wait.

2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/20672
        * c-parser.c (c_parser_compound_statement_nostart): Give error
        message for EOF instead of just setting parser->error.

2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>

        * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
        (slpeel_update_phi_nodes_for_guard1): New function.
        (slpeel_update_phi_nodes_for_guard2): New function.
        (slpeel_tree_peel_loop_to_edge): Call above new functions instead
        of slpeel_update_phi_nodes_for_guard.
        (vectorize_loops): Remove call to loop_closed_rewrite.
        * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
        assertion.

2005-03-29  Richard Sandiford  <rsandifo@redhat.com>

        * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
        (TARGET_LITTLE_ENDIAN): New macro.
        * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
        (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
        (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
        (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
        (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
        (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
        (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
        (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
        (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
        (TARGET_OPTIONS): Delete.
        (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
        (CACHE_FLUSH_TRAP): Turn into an integer.
        (TARGET_LITTLE_ENDIAN): Define to 0 by default.
        (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
        -mflush-trap is in use.
        * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
        (m32r_cache_flush_trap_string): Delete.
        (m32r_model) Initialize to M32R_MODEL_DEFAULT.
        (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
        (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
        (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
        (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
        -mmodel= and -msdata= handling from...
        (m32r_init): ...here.
        * config/m32r/m32r.opt: New file.

2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>

        * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
        (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
        * tree-vect-analyze.c (vect_object_analysis): additional parm
        pass back a "struct ptr_info_def *" with the points-to info.
        (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
        statement using info returned from vect_object_analysis.
        * tree-vect-transform.c (update_vuses_to_preheader): New function.
        (vect_create_data_ref_ptr): Remove updates to vars_to_rename
        for virtual uses and defs when creating a replacement vector
        reference.  Call duplicate_ssa_name_ptr_info to define points-to
        info for vector pointer replacement using STMT_VINFO_PTR_INFO.
        (vectorizable_store): copy_virtual_operands and update
        definition statements.
        (vectorizable_load): copy_virtual_operands.  Remove call to
        mark_call_clobbered_vars_to_rename for call to "const" builtin.
        * tree-vectorizer.c (vectorize_loops): Remove calls to
        rewrite_into_ssa and bitmap_clear (vars_to_rename).
        (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
        * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
        define macro STMT_VINFO_PTR_INFO for use in accessing.
        * tree.h add export of duplicate_ssa_name_ptr_info.
        * rs6000.c (altivec_init_builtins): Declare builtin function
        __builtin_altivec_mask_for_load to be "const".

2005-03-29  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/20622
        * cgraph.h (struct cgraph_varpool_node): Add alias field.
        * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
        assemble_variable on aliases.
        * varasm.c (assemble_alias): Set node->alias.
        * toplev.c (wrapup_global_declarations): Don't call
        rest_of_decl_compilation on aliases again.

2005-03-29  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
        * config/arm/arm.c (arm_dbx_register_number): New function.
        * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.

2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR middle-end/20263
        * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
        the DECL_NAME, not the DECL_ASSEMBLER_NAME.

2005-03-29  Dale Johannesen <dalej@apple.com>

        * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
        $(TREE_H) and $(COVERAGE_H).
        * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
        * opts.c (common_handle_option): Enable tree-based value transforms.
        * toplev.c (process_options): Ditto.
        * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
        refers to references to this type.
        * tree-flow.h: (struct stmt_ann_d): Add histograms field.
        * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
        for may_be_more, may_be_less.
        (rtl_gen_pow2_profiler): Adjust.
        (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
        (rtl_gen_one_value_profiler): Adjust.
        (rtl_gen_const_delta_profiler): Adjust.
        * tree-profile.c (tree_gen_interval_profiler): Implement.
        (tree_gen_pow2_profiler): Ditto.
        (tree_gen_one_value_profiler): Ditto.
        (tree_profiling): New.
        (pass_tree_profile): Reference it.
        * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
        tree.h, gcov-io.h.
        (insn_divmod_values_to_profile): Rename to
        rtl_divmod_values_to_profile. Adjust.
        (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
        (insn_prefetch_values_to_profile): Adjust.
        (rtl_value_profile_transformations): Adjust.
        (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
        (gen_mod_pow2): Rename to rtl_mod_pow2.
        (gen_mod_subtract): Rename to rtl_mod_subtract.
        (divmod_fixed_value_transform): Rename to
        rtl_divmod_fixed_value_transform.
        (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
        (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
        (rtl_find_values_to_profile): Adjust.
        (tree_value_profile_transformations): Implement.
        (tree_divmod_values_to_profile): New.
        (tree_values_to_profile): New.
        (tree_divmod_fixed_value): New.
        (tree_mod_pow2): New.
        (tree_mod_subtract): New.
        (tree_divmod_fixed_value_transform): New.
        (tree_mod_pow2_value_transform): New.
        (tree_mod_subtract_transform): New.
        (tree_find_values_to_profile): Implement.
        * profile.c (instrument_values):  Free histograms.
        (compute_value_histograms): Adjust. Implement tree version.

2005-03-29  Uros Bizjak  <uros@kss-loka.si>

        * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
        * config/i386/i386.c (output_fix_trunc): Add new round_mode
        variable.  Output "fldcw" depending on round_mode.
        * config/i386/i386.md (UNSPEC_FIST): New.
        (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
        New isns patterns to implement lrint and llrint built-ins as x87
        intrinsic function.
        (fistdi2, fist<mode>2 splitters): New splitters.
        (lrint<mode>2): New expanders.

2005-03-28  Ian Lance Taylor  <ian@airs.com>

        * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
        0 when calling final_scan_insn.

2005-03-28  Jan Hubicka  <jh@suse.cz>

        PR middle-end/20635
        * varasm.c (mark_decl_referenced): Do not mark extern inline functions
        as needed.

        * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
        types where possible.

2005-03-26  Per Bothner  <per@bothner.com>

        Make -f[no-]show-column also control non-cpp diagnostics.
        * c.opt (fshow-column): Move option from here ...
        * common.opt (fshow-column): ... to here.
        * diagnostic.c (diagnostic_build_prefix): Only print column number
        if flag_show_column.

2005-03-27  Steven Bosscher  <stevenb@suse.de>

        * vax-protos.h (vax_output_int_move, vax_output_int_add,
        vax_output_conditional_branch): New prototypes.
        * vax.c (vax_output_int_move, vax_output_int_add): New functions,
        extracted from vax.md mov and add patterns.
        (vax_output_conditional_branch): New function to output conditional
        branch instructions.
        * vax.md: Use mode macros for arithmetic and mov patterns.
        Use code macros for the jump patterns.

2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>

        * Makefile.in (libbackend.o): Depend on version files;
        add custom generation command.

2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/20636
        * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
        sure that we have a REG before getting its REGNO.

2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
        * builtins.def (BUILT_IN_STRNDUP): New.

2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>

        PR tree-optimization/20470
        * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
        ABS(x-y).

2005-03-25  Mike Stump  <mrs@apple.com>

        * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
        sized objects.

2005-03-25  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
        Use our own structure definitions.

        * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
        (fix_truncdfsi2): Allow registers or memory as destination.
        When TARGET_PPC_GFXOPT, generate simplified pattern.
        (fix_truncdfsi2_internal): Use define_insn_and_split.
        (fix_truncdfsi2_internal_gfxopt): New.
        (fctiwz): Don't confuse register allocation by giving it no choices.
        (stfiwx): New.
        * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
        (EXTRA_MEMORY_CONSTRAINT): Likewise.
        * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
        * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.

2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>

        * dominance.c (free_dominance_info): Speed up by freeing et
        data structures without maintaining other nodes.
        * et-forest.c (et_free_tree_force): New.
        * et-forest.h: Add a prototype for et_free_tree_force.

        * tree.c (get_set_constructor_bits,
        get_set_constructor_bytes): Remove.
        * tree.h: Remove the corresponding prototypes.

2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>

        PR target/15491
        * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
        (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
        FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
        PRE_DEC, NEG and NOT.

2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>

        * fold-const.c: Convert uses of fold (build (...)) to
        fold_buildN.

2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>

        PR rtl-optimization/20249
        * cse.c (insert_regs): Do not record equivalence of registers in
        different modes.

2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>

        * emit-rtl.c (reverse_comparison): Remove.
        * rtl.h: Remove the corresponding prototype.

2005-03-24  James E Wilson  <wilson@specifixinc.com>

        * doc/install.texi (--enable-altivec): Delete docs.

2005-03-24  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
        SFmode and DFmode before reload when
        flag_unsafe_math_optimizations not enabled.

2005-03-24  Geoffrey Keating  <geoffk@apple.com>

        * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.

        * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
        MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.

2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>

        * configure.ac (enable-checking): Add 'runtime' option.
        * doc/install.texi (enable-checking): Document 'runtime' checking.
        * tsystem.h (gcc_assert, gcc_unreachable): Define.
        * config.in: Regenerated.
        * configure: Regenerated.

2005-03-23  Uros Bizjak  <uros@kss-loka.si>

        * optabs.h (enum optab_index): Remove OTI_llrint.
        (llrint_optab): Remove macro.
        * optabs.c (init_optabs): Remove llrint_optab initialization.
        * genopinit.c (optabs): Remove llrint_optab implementation.
        * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
        using lrint_optab.

2005-03-24  Alexandre Oliva  <aoliva@redhat.com>

        PR rtl-optimization/20532
        * simplify-rtx.c (simplify_binary_operation_1): Protect from
        overflow when adding coefficients for PLUS or MINUS.
        (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
        two as multiplier.

2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>

        * langhooks.h (truthvalue_conversion): Remove.
        * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
        LANG_HOOKS_TRUTHVALUE_CONVERSION.
        * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
        * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
        * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.

2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>

        * params.def: Fix a typo.
        * config/mips/mips.c: Follow the spelling convensions.
        * doc/invoke.texi: Fix typos.

2005-03-18  Dale Johannese  <dalej@apple.com>

        * cp/tree.c (cp_tree_equal):  Handle SSA_NAME.

2005-03-23  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/20601

        * tree-ssa-pre.c (insert_aux): Add missing condition to
        constification.

2005-03-23  Ian Lance Taylor  <ian@airs.com>

        * final.c (final_scan_insn): Don't remove no-op instructions.
        * reload1.c (reload): Remove simple no-op instructions even when
        not optimizing.

2005-03-23  Dorit Naishlos  <dorit@il.ib.com>

        PR tree-optimization/20501
        * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
        reporting that peeling for alignment is applied moved to...
        * (vect_analyze_data_refs_alignment): Here.

2005-03-23  Ian Lance Taylor  <ian@airs.com>

        * reorg.c (dbr_schedule): Remove #if 0 code to call final.

2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
        Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.

2005-03-23  Hans-Peter Nilsson  <hp@axis.com>

        * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
        imply that this is called once, independent of asms in code.
        Adjust to now being pased output and input lists.  Mention helper
        function decl_overlaps_hard_reg_set_p.
        * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
        hook_tree_tree_identity and to take three trees, returning third.
        * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
        prototype.
        * stmt.c: include hard-reg-set.h before tree.h.
        (decl_overlaps_hard_reg_set_p): New function, broken out from...
        (decl_conflicts_with_clobbers_p): Call
        decl_overlaps_hard_reg_set_p.
        (expand_asm_operands): Pass output and input lists in call to
        targetm.md_asm_clobbers.
        * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
        hook_tree_tree_tree_tree_3rd_identity.
        * target.h (struct gcc_target.md_asm_clobbers): Take three tree
        parameters.
        * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
        * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
        parameters, first two unused.
        * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
        parameters.  Only add MOF to clobbers if there's no 'h' mentioned
        in constraint letters and MOF is not mentioned as a asm-declared
        register in neither of the input and output lists.

2005-03-23  DJ Delorie  <dj@redhat.com>

        * optabs.c (expand_binop): Make sure the first subword's result
        gets stored.

2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>

        * c-common.c (c_common_truthvalue_conversion): Adjust comment.
        Call c_common_truthvalue_conversion rather than
        lang_hooks.truthvalue_conversion.
        * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
        * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
        c-typeck.c.
        * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
        c_common_truthvalue_conversion.
        * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
        c_parser_conditional_expression, c_parser_binary_expression): Call
        c_objc_common_truthvalue_conversion.
        * c-typeck.c (build_unary_op): Call
        c_objc_common_truthvalue_conversion.
        (build_conditional_expr): Do not call
        lang_hooks.truthvalue_conversion.
        (build_binary_op): Call c_common_truthvalue_conversion.
        (c_objc_common_truthvalue_conversion): Moved from
        c-objc-common.c.  Call default_function_array_conversion instead
        of default_conversion.

2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>

        * c-common.h (default_conversion): Remove.
        (perform_integral_promotions): Add.
        * c-tree.h (default_conversion): Add.
        * c-typeck.c (perform_integral_promotions): New, split out from
        default_conversion.
        * c-common.c (check_case_value): Use perform_integral_promotions,
        not default_conversion.
        (c_add_case_label): Don't continue processing case label after
        found to be pointer.

2005-03-23  Mark Mitchell  <mark@codesourcery.com>

        * gcc.c (do_spec_1): Do not add a -L path for a directory in
        the prefix list if we have already added a multilib directory
        based on that path.
        (main): Do not add MD_EXEC_PREFIX to the list of directories to
        search with -L.

2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>

        * reload1.c (indirect_symref_ok, reload_obstack): Make them
        static.
        * reload.h: Remove the prototype for indirect_symref_ok.

        * reload1.c (indirect_symref_ok): Make it global.
        * reload.h: Add a prototype for indirect_symref_ok.

2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
        ashlhi3 expander.

2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.

2005-03-22  Daniel Berlin  <dberlin@dberlin.org>

        * c-opts.c (c_common_parse_file): Only start/end main source file
        if debug hooks says the writer wants it.
        * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
        member.
        (xcoff_debug_hooks): Ditto.
        * debug.c (do_nothing_hooks): Ditto.
        * debug.h (gcc_debug_hooks): Ditto.
        * dwarf2out.c (dwarf2_debug_hooks): Ditto.
        * sdbout.c (sdb_debug_hooks): Ditto.
        * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.

2005-03-22  Mark Mitchell  <mark@codesourcery.com>

        * doc/extend.texi: Deprecate C++ min/max operators.

2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
        artificial original candidates.

2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
            Jan Hubicka  <jh@suse.cz>
            Steven Bosscher <stevenb@suse.de>

        * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
        call cost based on argument sizes.
        (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
        inlining.
        * params.def: (max-inline-inssn-single): Set to 450.
        (max-inline-insns-auto): Set to 90.
        (max-inline-insns-recursive): Set to 450
        (max-inline-insns-recursive-auto): Set to 450.
        (large-function-insns): Set to 2700.
        (inline-call-cost): New parameter.
        * tree-inline.c (estimate_move_cost): New function.
        (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
        for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
        based on arguments.
        * tree-inline.h (estimate_move_cost): Declare.
        * invoke.texi: (max-inline-inssn-single): Change default to 450.
        (max-inline-insns-auto): Change default to 90.
        (max-inline-insns-recursive): Change default to 450
        (max-inline-insns-recursive-auto): Change default to 450.
        (large-function-insns): Change default to 2700.
        (inline-call-cost): Document new parameter.

2005-03-22  Richard Sandiford  <rsandifo@redhat.com>

        * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
        (TARGET_DEFAULT): Delete.
        * config/i860/i860.opt: New file.

2005-03-22  Richard Sandiford  <rsandifo@redhat.com>

        * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
        (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
        (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
        (frv_sched_lookahead): Delete.
        * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
        (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
        (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
        (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
        (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
        (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
        (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
        (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
        (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
        (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
        (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
        (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
        (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
        (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
        (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
        (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
        (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
        (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
        (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
        (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
        (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
        (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
        * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
        (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
        (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
        (frv_sched_lookahead): Delete.
        (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
        (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
        (frv_handle_option): New function.  Move -mcpu= handling from...
        (frv_override_options): ...here.  Remove handling of other
        TARGET_OPTIONS.
        (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
        TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
        (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
        and TARGET_NO_MULTI_CE.
        (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
        !TARGET_VLIW_BRANCH.
        * config/frv/frv.opt: New file.

2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>

        * fold-const.c (fold_ternary): Take decomposed arguments of
        CALL_EXPR.
        (fold): Update a call to fold_ternary.

        * fold-const.c (fold_build1, fold_build2, fold_build3): New.
        * tree.h: Add corresponding prototypes.

2005-03-22  Jakub Jelinek  <jakub@redhat.com>

        PR target/20561
        * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
        between jump table and its label.
        * final.c (shorten_branches): Handle notes in between ADDR_VEC
        resp. ADDR_DIFF_VEC and the label preceeding it.
        (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
        is emitted in the right section.

2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>

        * fold-const.c (fold_unary, fold_binary): Update comments
        about arguments.

2005-03-22  Hans-Peter Nilsson  <hp@axis.com>

        PR rtl-optimization/20527
        * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
        REG_INC note, test that the register also isn't mentioned in PRED
        or SUCC.

2005-03-22  Ben Elliston  <bje@au.ibm.com>

        * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
        and definition.

2005-03-21  Mike Stump  <mrs@apple.com>

        * varasm.c (default_assemble_visibility): Remove extra ().

2005-03-21  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/20557
        * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
        to determine whether a block can be duplicated, rather than test
        whether the block contains noncopyable insns ourselves.

2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>

        * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
        predicates.

2005-03-21  Richard Sandiford  <rsandifo@redhat.com>

        * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.

2005-03-21  Richard Sandiford  <rsandifo@redhat.com>

        * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
        (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
        * config/fr30/fr30.opt: New file.

2005-03-18  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/20542

        * tree-flow-inline.h (overlap_subvar): Move to here.
        * tree-ssa-operands.c: From here.
        * tree-flow.h (overlap_subvar): Declare.
        * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
        * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
        for variables with subvars.

2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>

        PR middle-end/20177
        * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
        * modulo-sched.c (const_iteration_count): Return on NULL
        pre-header.
        (print_node_sched_params): Return on NULL dump_file.
        (generate_reg_moves): Handle reg-anti dependencies and disregard
        closing branch when generating register moves.
        (sms_schedule): Mark the SMSed block dirty.
        * passes.c (rest_of_handle_sms): Call update_life_info for all
        basic-blocks.
        * testsuite/gcc.dg/20050321-1.c: New test.

2005-03-21  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
        * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
        movqi_internal): Likewise.

2005-03-21  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
        xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
        xtensa_b4const): Delete prototypes.
        (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
        xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
        (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
        xtensa_extra_constraint): New prototypes.
        (add_operand, arith_operand, nonimmed_operand, mem_operand,
        mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
        lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
        move_operand, const_float_1_operand, fpmem_offset_operand,
        branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
        * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
        (xtensa_b4const_or_zero): ...this.  Change return type to bool and
        argument type to HOST_WIDE_INT.
        (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
        xtensa_mask_immediate): Likewise.
        (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
        Likewise.  Also make these functions static.
        (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
        (xtensa_const_ok_for_letter_p): New.
        (add_operand, arith_operand, nonimmed_operand, mem_operand,
        mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
        lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
        move_operand, const_float_1_operand, fpmem_offset_operand,
        branch_operator, ubranch_operator, boolean_operator): Move to
        predicates.md.
        (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
        (xtensa_mem_offset): Change return type to bool.
        (xtensa_extra_constraint): New.
        (gen_int_relational): Update type of const_range_p function pointer.
        Use xtensa_b4const_or_zero.
        * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
        xtensa_const_ok_for_letter_p.  Update comments.
        (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
        (PREDICATE_CODES): Delete.
        * config/xtensa/xtensa.md: Include predicates.md.
        * config/xtensa/predicates.md: New file.

2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>

        * config/v850/v850-protos.h: Remove the prototypes for
        reg_or_int9_operand, reg_or_const_operand,
        pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
        reg_or_0_operand, reg_or_int5_operand, call_address_operand,
        movsi_source_operand, power_of_two_operand,
        not_power_of_two_operand, special_symbolref_operand,
        pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
        register_is_ok_for_epilogue.
        * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
        reg_or_int9_operand, reg_or_const_operand,
        call_address_operand, special_symbolref_operand,
        movsi_source_operand, power_of_two_operand,
        not_power_of_two_operand, register_is_ok_for_epilogue,
        pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
        pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
        predicates.md.
        * config/v850/v850.h (PREDICATE_CODES): Remove.
        * config/v850/v850.md: Include predicates.md.
        * config/v850/predicates.md: New.

2005-03-21  Zack Weinberg  <zack@codesourcery.com>

        * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
        (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
        (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
        (itoolsdir, itoolsdatadir): Move definition above new first use.
        (install-itoolsdirs): New rule.
        (install-mkheaders): Depend on install-itoolsdirs, not
        install-include-dir.

2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-into-ssa.c: Remove obsolete comments.

2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>

        * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
        unrolling if -fpeel-loops is specified, too.
        * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
        Remove superfluous check for flag_unroll_loops.

2005-03-21  Uros Bizjak  <uros@kss-loka.si>

        * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
        (lrint_optab, llrint_optab): Define corresponding macros.
        * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
        * genopinit.c (optabs): Implement lrint_optab using lrintsi2
        pattern and llrint_optab using llrintdi2 patterns.
        * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
        using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
        (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
        BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
        flag_unsafe_math_optimizations is set.

2005-03-21  Paolo Bonzini  <bonzini@gnu.org>

        * combine.c (combine_simplify_rtx, simplify_if_then_else,
        simplify_logical, if_then_else_cond, known_cond,
        simplify_comparison): Adjust calls to reverse_comparison.
        Don't use combine_reversed_comparison_code).
        (combine_reversed_comparison_code): Remove.
        (reversed_comparison): Using reversed_comparison_code, move it...
        * jump.c (reversed_comparison): ... here.
        * rtl.h (reversed_comparison): Add prototype.

2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>

        * builtins.c (fold_builtin): Take decomposed arguments of
        CALL_EXPR.
        * fold-const.c (fold_ternary): Update a call to fold_builtin.
        * gimplify.c (gimplify_call_expr): Likewise.
        * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
        * tree.h: Update the prototype of fold_builtin.

2005-03-21  Paolo Bonzini  <bonzini@gnu.org>

        * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
        * rtlhooks.c (gen_lowpart_no_emit_general): New.
        * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
        (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
        * simplify-rtx.c (simplify_binary_operation_1): Use it.

2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>

        * builtins.c (fold_builtin_1): Take decomposed arguments of
        CALL_EXPR.
        (fold_builtin): Update a call to fold_builtin_1.

2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>

        PR other/20564
        * gcov.c (output_lines): Only output function block summary when
        outputting branch information.
        * doc/gcov.texi: Document format of preamble and additional block
        information lines.

2005-03-21  Richard Sandiford  <rsandifo@redhat.com>

        * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
        (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
        the defaults false if BITS_PER_UNIT != 8.
        (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
        (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
        than BITS_PER_UNIT != 8.
        (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
        (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
        (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
        #undefs.
        * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
        (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.

2005-03-20  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/20539
        * fold-const.c (fold_binary): Fix type mismatch between
        TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
        (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
        for non-truth-valued expressions.

        * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
        and FUNCTION_DECL in the main switch.
        <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
        TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
        we also need to convert their operands to match.
        <TRUTH_NOT_EXPR>: Likewise.

2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>

        * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
        diagnostic without checking whether an lvalue.
        * c-common.h (lvalue_p): Remove.
        (enum lvalue_use): Update comment.
        (lvalue_or_else): Replace by lvalue_error.
        * c-typeck.c (lvalue_p): Make static.
        (lvalue_or_else): New.  Call lvalue_error.

2005-03-21  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (rs6000_parm_start): New function.
        (function_arg_advance): Use rs6000_parm_start.
        (function_arg, rs6000_arg_partial_bytes): Likewise.

2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>

        * c-common.c (check_case_value): Adjust comment about stripping
        NOPs.
        (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
        * c-typeck.c (default_conversion, convert_arguments,
        build_modify_expr, convert_for_assignment, store_init_value,
        digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
        manually.  Remove inaccurate comments.

2005-03-20  Roger Sayle  <roger@eyesopen.com>
            Joseph S. Myers  <joseph@codesourcery.com>

        * varasm.c (do_assemble_alias): Restore comment describing function.
        Annotate the target parameter as potentially unused.

2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>

        PR target/18551
        * config/avr/avr.c (avr_output_function_prologue): Do not use
        current_function_name() in a label, use a local label instead.

2005-03-20  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_generate_compare): Test
        flag_finite_math_only, not flag_unsafe_math_optimizations.

2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>

        * builtins.c (fold_builtin_1): Update a call to
        targetm.fold_builtin.
        * hooks.c (hook_tree_tree_bool_null): Rename to
        hook_tree_tree_tree_bool_null.  Take one more argument of type
        tree.
        * hooks.h: Update the prototype of hook_tree_tree_bool_null.
        * target-def.h (TARGET_FOLD_BUILTIN): Define it as
        hook_tree_tree_tree_bool_null.
        * target.h (gcc_target): Update the prototype of fold_builtin.
        * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
        arguments of CALL_EXPR.
        * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
        new prototype.

2005-03-20  Jan Hubicka  <jh@suse.cz>

        * cgraph.h (cgraph_node): Add prev_clone pointer.
        * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
        (cgraph_clone_node): Produce doubly linked chain.

2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>

        * c-common.c (handle_aligned_attribute, check_function_sentinel,
        get_nonnull_operand, handle_sentinel_attribute,
        check_function_arguments_recurse): Do not strip NOPS from
        INTEGER_CSTs.
        * c-decl.c (check_bitfield_type_and_width, build_enumerator):
        Likewise.
        * c-format.c (get_constant): Likewise.
        * c-parser.c (c_parser_postfix_expression): Likewise.
        * c-typeck.c (set_init_index): Likewise.
        (convert_arguments): Don't check for NOP_EXPR containing integer
        constant.

2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>

        * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
        fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
        Take decomposed arguments of CALL_EXPR.
        (fold_builtin_1): Update calls to the functions mentioned
        above.

2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>

        * c-decl.c (check_bitfield_type_and_width): Require bit-field
        width to have integer type.
        (build_enumerator): Require enumerator value to have integer type.

2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>

        * doc/extend.texi (__builtin_inf): Move statement about INFINITY
        to __builtin_inff.

2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>

        * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
        std=iso9899:199x): Correct descriptions.

2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>

        * config.gcc: Consistently use solaris2.1[0-9]* instead of
        solaris2.1[0-9].

2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>

        * builtins.c (fold_builtin_memcpy): Take decomposed arguments
        of CALL_EXPR.
        (expand_builtin_memcpy, fold_builtin_1): Update calls to
        fold_builtin_memcpy.

        * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
        arguments of CALL_EXPR.
        (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
        fold_builtin_found, fold_builtin_1): Update calls to
        fold_trunc_transparent_mathfn.

2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR middle-end/20493
        * fold-const.c (fold_widened_comparison): Don't optimize casts of
        function pointers on targets that require function pointer
        canonicalization.
        (fold_sign_changed_comparison): Likewise.

2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>

        * combine.c (try_combine): When changing the mode of a hard reg, make
        sure that doing so is valid.

2005-03-19  Richard Sandiford  <rsandifo@redhat.com>

        * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
        (TARGET_HANDLE_OPTION): Override default.
        (avr_handle_option): New function.
        * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
        (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
        (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
        (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
        (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
        (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
        (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
        (TARGET_OPTIONS): Delete.
        * config/avr/avr.opt: New file.

2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m32r/m32r-protos.h: Remove the prototypes for
        call_address_operand, symbolic_operand, seth_add3_operand,
        cmp_int16_operand, uint16_operand, reg_or_int16_operand,
        reg_or_uint16_operand, reg_or_cmp_int16_operand,
        two_insn_const_operand, move_src_operand,
        move_double_src_operand, move_dest_operand,
        eqne_comparison_operator, signed_comparison_operator,
        large_insn_p, conditional_move_operand, carry_compare_operand,
        m32r_block_immediate_operand, extend_operand,
        reg_or_eq_int16_operand, int8_operand, and
        reg_or_zero_operand.
        * config/m32r/m32r.c (call_address_operand, symbolic_operand,
        seth_add3_operand, int8_operand, cmp_int16_operand,
        uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
        reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
        reg_or_zero_operand, two_insn_const_operand, move_src_operand,
        move_double_src_operand, move_dest_operand,
        eqne_comparison_operator, signed_comparison_operator,
        extend_operand, small_insn_p, large_insn_p,
        conditional_move_operand, carry_compare_operand,
        m32r_block_immediate_operand): Move to predicates.md.
        (MAX_MOVE_BYTES): Move to m32r.h.
        * config/m32r/m32r.h (PREDICATE_CODES): Remove.
        * config/m32r/m32r.md: Include predicates.md.
        * config/m32r/predicates.md: New.

2005-03-18  James E Wilson  <wilson@specifixinc.com>

        PR c++/19769
        * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
        origin.

2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mn10300/mn10300-protos.h: Remove the prototypes for
        call_address_operand, const_8bit_operand.
        * config/mn10300/mn10300.c (call_address_operand,
        const_8bit_operand, const_1f_operand): Move to predicates.md.
        * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
        * config/mn10300/mn10300.md: Include predicates.md.
        * config/mn10300/predicates.md: New.

2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>

        * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
        declarations in diagnostics and %E for identifiers, not %s.

2005-03-18  Jan Hubicka  <jh@suse.cz>
            Dale Johannesen  <dalej@apple.com>

        * basic-block.h (scale_bbs_frequencies_int,
        scale_bbs_frequencies_gcov_type): Declare.
        * cfg.c (RDIV): New macro.
        (update_bb_frequency_for_threading): Fix.
        * basic-block.h (scale_bbs_frequencies_int,
        scale_bbs_frequencies_gcov_type): New.
        * cfgloopmanip.c (scale_bbs_frequencies): Kill.
        (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
        scale_bbs_frequencies_int.
        * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.

2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m32r/m32r-protos.h: Remove the prototypes for
        call_address_operand, symbolic_operand, seth_add3_operand,
        cmp_int16_operand, uint16_operand, reg_or_int16_operand,
        reg_or_uint16_operand, reg_or_cmp_int16_operand,
        two_insn_const_operand, move_src_operand,
        move_double_src_operand, move_dest_operand,
        eqne_comparison_operator, signed_comparison_operator,
        large_insn_p, conditional_move_operand, carry_compare_operand,
        m32r_block_immediate_operand, extend_operand,
        reg_or_eq_int16_operand, int8_operand, and
        reg_or_zero_operand.
        * config/m32r/m32r.c (call_address_operand, symbolic_operand,
        seth_add3_operand, int8_operand, cmp_int16_operand,
        uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
        reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
        reg_or_zero_operand, two_insn_const_operand, move_src_operand,
        move_double_src_operand, move_dest_operand,
        eqne_comparison_operator, signed_comparison_operator,
        extend_operand, small_insn_p, large_insn_p,
        conditional_move_operand, carry_compare_operand,
        m32r_block_immediate_operand): Move to predicates.md.
        (MAX_MOVE_BYTES): Move to m32r.h.
        * config/m32r/m32r.h (PREDICATE_CODES): Remove.
        * config/m32r/m32r.md: Include predicates.md.
        * config/m32r/predicates.md: New.

        * config/pa/pa-protos.h: Add prototypes for magic_milli and
        shadd_constant_p.
        * config/pa/pa.c (reg_or_0_operand, call_operand_address,
        symbolic_operand, symbolic_memory_operand,
        reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
        indexed_memory_operand, move_dest_operand, move_src_operand,
        prefetch_cc_operand, prefetch_nocc_operand,
        reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
        arith_operand, arith11_operand, pre_cint_operand,
        post_cint_operan, arith_double_operand, ireg_or_int5_operand,
        ireg_operand, int5_operand, uint5_operand, int11_operand,
        uint32_operand, arith5_operand, and_operand, ior_operand,
        lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
        pc_or_label_operand, div_operand, plus_xor_ior_operator,
        shadd_operand, movb_comparison_operator,
        cmpib_comparison_operator): Move to predicates.md.
        (magic_milli, shadd_constant_p): Make it extern.
        * config/pa/pa.h (PREDICATE_CODES): Remove.
        * config/pa/pa.md: Include predicates.md.
        * config/pa/predicates.md: New.

        * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
        predicate.

2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>

        * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
        config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
        config/alpha/freebsd.h, config/alpha/linux.h,
        config/alpha/netbsd.h, config/alpha/osf5.h,
        config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
        config/h8300/h8300-protos.h, config/h8300/h8300.c,
        config/h8300/h8300.h, config/ia64/unwind-ia64.c,
        doc/cppopts.texi: Update copyright.

2005-03-18  Jan Hubicka  <jh@suse.cz>

        PR middle-end/20225
        * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
        too late.
        * varasm.c (find_decl_and_mark_needed): Mark needed only when not
        called too late.

2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
        VEC_safe_push.

2005-03-18  Paolo Bonzini  <bonzini@gnu.org>

        * combine.c (gen_binary): Remove.
        (known_cond, simplify_shift_const, find_split_point,
        combine_simplify_rtx, simplify_if_then_else, simplify_set,
        simplify_logical, expand_field_assignment, extract_left_shift,
        force_to_mode, if_then_else_cond, apply_distributive_law,
        simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
        simplify_comparison, reversed_comparison): Replace with
        simplify_gen_binary, simplify_gen_relational or
        distribute_and_simplify_rtx.
        (distribute_and_simplify_rtx): New function.

2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
            Paolo Bonzini  <gcc.gnu.org>

        * calls.c (setjmp_call_p, special_function_p): Update comments
        at the head of the functions.

2005-03-18  Jan Hubicka  <jh@suse.cz>

        * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.

        * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
        function body should be released; do not proactively release function
        bodies in non-unit-at-a-time mode.

2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>

        * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
        mno-fp-ret-in-387 multilib variants.

2005-03-18  Richard Sandiford  <rsandifo@redhat.com>

        * common.opt (m): Remove.
        * opts.c (handle_option): Pass 'm' options to set_target_switch if
        table lookup fails.
        (common_handle_option): Remove OPT_m case.

2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>

        * builtins.c (fold_builtin_bitop): Take decomposed arguments
        of CALL_EXPR.
        (fold_builtin_1): Update a call to fold_builtin_bitop.

        * builtins.c (fold_builtin_signbit): Take decomposed arguments
        of CALL_EXPR.
        (fold_builtin_1): Update a call to fold_builtin_signbit.

2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>

        PR tree-optimization/20474
        * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
        size_type of the relevant pointer. Check for COMPLETE_TYPE_P.

2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300-protos.h: Remove prototypes for
        general_operand_src, general_operand_dst, single_one_operand,
        single_zero_operand, call_insn_operand,
        two_insn_adds_subs_operand, small_call_insn_operand,
        jump_address_operand, bit_operand, bit_memory_operand,
        stack_pointer_operand, const_int_gt_2_operand,
        const_int_ge_8_operand, const_int_qi_operand,
        const_int_hi_operand, incdec_operand, bit_operator,
        nshift_operator, eqne_operator, gtle_operator,
        gtuleu_operator, iorxor_operator.
        Add prototypes for h8sx_shift_type h8sx_classify_shift and
        h8300_ldm_stm_parallel.
        * config/h8300/h8300.c (h8sx_shift_type,): Move to
        h8300-protos.h.
        (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
        SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
        (h8300_ldm_stm_parallel): Make it extern.
        (h8300_ldm_parallel, h8300_stm_parallel,
        h8300_return_parallel, general_operand_src,
        general_operand_dst, h8300_dst_operand, h8300_src_operand,
        nibble_operand, reg_or_nibble_operand, single_one_operand,
        single_zero_operand, call_insn_operand,
        two_insn_adds_subs_operand, small_call_insn_operand,
        jump_address_operand, bit_operand, bit_memory_operand,
        stack_pointer_operand, const_int_gt_2_operand,
        const_int_ge_8_operand, const_int_qi_operand,
        const_int_hi_operand, incdec_operand, eqne_operator,
        gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
        h8sx_binary_memory_operator, h8sx_unary_memory_operator,
        h8sx_unary_shift_operator, h8sx_binary_shift_operator,
        nshift_operator): Move to predicates.md.
        * config/h8300/h8300.h (PREDICATE_CODES): Remove.
        * config/h8300/h8300.md: Include predicates.md.
        * config/h8300/predicates.md: New.

2005-03-17  Richard Henderson  <rth@redhat.com>

        * config.gcc (ia64*-*-hpux*): Add extra_options.
        * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
        (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
        * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
        (ia64_tls_size_string, ia64_tune_string): Remove.
        (ia64_tune): Init to PROCESSOR_ITANIUM2.
        (TARGET_DEFAULT_TARGET_FLAGS): New.
        (TARGET_HANDLE_OPTION): New.
        (ia64_override_options): Move options parsing ...
        (ia64_handle_option): ... here.  New.
        * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
        MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
        MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
        MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
        MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
        MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
        MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
        TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
        TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
        TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
        TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
        TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
        TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
        TARGET_EARLY_STOP_BITS): Remove.
        (TARGET_ILP32): Default false.
        (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
        (enum ia64_inline_type): New.
        (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
        * config/ia64/ia64.md: Update for new definitions of
        TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
        * config/ia64/ia64.opt: New file.
        * config/ia64/ilp32.opt: New file.

2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/18380
        * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.

2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
        instead of MASK_H8300S.
        * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
        MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
        MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
        MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
        TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
        TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
        TARGET_SWITCHES): Remove.
        (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
        TARGET_H8300SX.
        * config/h8300/h8300.opt: New.

        * config/alpha/alpha.opt, config/arc/arc.opt,
        config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
        notices.

2005-03-17  Ian Lance Taylor  <ian@airs.com>

        * gmon.c: Remove.

2005-03-17  Richard Sandiford  <rsandifo@redhat.com>

        * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
        (arc_text_string, arc_data_string, arc_rodata_string): Make static.
        (TARGET_HANDLE_OPTION): Override default.
        (arc_handle_option): New function.
        (arc_init): Remove code to set arch_cpu_string.
        * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
        (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
        (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
        (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
        (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
        (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
        (arc_rodata_string, TARGET_OPTIONS): Delete.
        * config/arc/arc.opt: New file.

2005-03-17  Richard Henderson  <rth@redhat.com>

        * doc/extend.texi (Weak Pragmas): New section.
        (attribute alias): Clarify that target must be in the same
        translation unit.

2005-03-17  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.opt: New file.
        * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
        of alpha_cpu.
        (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
        alpha_fprm_string, alpha_fptm_string): Make static.
        (alpha_tls_size_string): Remove.
        (alpha_handle_option): New.
        (override_options): Update for alpha_cpu/alpha_tune split.
        (alpha_file_start): Likewise.
        (TARGET_DEFAULT_TARGET_FLAGS): New.
        (TARGET_HANDLE_OPTION): New.
        * config/alpha/alpha.h (alpha_tune): Declare.
        (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
        MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
        MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
        TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
        TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
        TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
        MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
        MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
        TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
        TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
        (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
        (TARGET_DEFAULT): Remove MASK_FP.
        (TARGET_FP): Redefined based on TARGET_SOFT_FP.
        (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
        (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
        alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
        alpha_tls_size_string): Remove.
        * config/alpha/alpha.md (prefetch): Use alpha_cpu.
        (attribute tune): Rename from attribute cpu.
        * config/alpha/ev4.md: Update to match.
        * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
        * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
        * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
        * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
        * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
        * config/alpha/vms.h (TARGET_DEFAULT): Likewise.

2005-03-16  James E. Wilson  <wilson@specifixinc.com>

        * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
        and return without creating new state if before_nops_num is nonzero.
        * config/ia64/ia64.md (first_insn): New attribute.
        (alloc): Set it to yes.

2005-03-16  Daniel Berlin  <dberlin@dberlin.org>

        * tree-vectorizer.c (new_vec_stmt_info): Initialize
        STMT_VINFO_SUBVARS to NULL.
        * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.

2005-03-16 Dale Johannesen  <dalej@apple.com>

        * rtlanal.c (find_first_parameter_load):  Rewrite to
        return actual first param load or the call if none,
        instead of first in block, when not all loads exist.

2005-03-16  Roger Sayle  <roger@eyesopen.com>

        * optabs.c (expand_copysign_absneg): Make static.
        * optabs.h (expand_copysign_absneg): Delete prototype.
        * config/rs6000/rs6000.md (copysigntf3): Delete pattern.

2005-03-16  Richard Henderson  <rth@redhat.com>

        PR middle-end/15700
        * varasm.c (struct alias_pair): Rename from struct output_def_pair.
        (alias_pairs): Rename from output_defs.
        (find_decl_and_mark_needed): Split out from assemble_alias.
        (do_assemble_alias): New.
        (assemble_output_def): Remove.
        (finish_aliases_1, finish_aliases_2): New.
        (process_pending_assemble_output_defs): Remove.
        (assemble_alias): Defer aliases for which we don't yet have a
        non-external decl for the target symbol.
        * passes.c (rest_of_decl_compilation): Register variables with cgraph.
       &nb