* pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from

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

2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
        zero.

2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>

        * config/arm/arm.c: Fix a comment typo.
        * doc/tree-ssa.texi: Fix a typo.

2005-04-10  Steven Bosscher  <stevenb@suse.de>

        * cselib.c (clear_table): Rename to cselib_clear_table.
        * cselib.h (cselib_clear_table): Add prototype.
        * gcse.c (gcse_main): Make 'f' argument unused.
        (alloc_gcse_mem): Do not walk the insn chain, walk the contents
        of each basic block instead.
        (compute_sets, compute_hash_table_work): Likewise.
        (constprop_register): Change int 'alter_jumps' argument to bool.
        (do_local_cprop): Likewise.
        (local_cprop_pass): Likewise.  Also walk basic blocks instead of
        the insn chain.  Explicitly clear the cselib tables after finishing
        one basic block.  Make sure there are no unterminated libcall blocks.
        Update compute_sets call.
        (cprop): Walk basic blocks instead of the insn chain.
        (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
        Likewise.
        (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
        one_cprop_pass calls.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

2005-04-08  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.
        * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
        * toplev.c (compile_file): Use finish_aliases_2 instead of
        process_pending_assemble_output_defs.
        * tree.h (finish_aliases_1, finish_aliases_2): Declare.
        (process_pending_assemble_output_defs): Remove.

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

        Fix PR tree-optimization/20489

        * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
        for empty structures.

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

        Fix PR tree-optimization/20490

        * tree-ssa-pre.c (create_expression_by_pieces): Use
        force_gimple_operand on result of fold.

2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
        of closing parenthesis.

2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>

        * builtins.c (expand_movstr): Update a call to
        fold_builtin_strcpy.
        (expand_builtin_strncpy): Update a call to
        fold_builtin_strncpy.
        (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
        arguments of CALL_EXPR.
        (fold_builtin_1): Update calls to fold_builtin_strcpy and
        fold_builtin_strncpy.
        * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
        * tree.h: Update the prototypes of fold_builtin_strcpy and
        fold_builtin_strncpy.

2005-03-16  Steven Bosscher  <stevenb@suse.de>
            Dorit Naishlos  <dorit@il.ibm.com>

        * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
        UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
        error.

2005-03-16  Steven Bosscher  <stevenb@suse.de>

        * tree-inline.c (walk_type_fields, walk_tree,
        walk_tree_without_duplicates): Move from here...
        * tree.c: ...to here.

2005-03-15  Zack Weinberg  <zack@codesourcery.com>

        * BASE-VER, DATESTAMP, DEV-PHASE: New files.
        * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
        (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
        (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
        (version): Define using $(BASEVER_c).
        (Makefile, config.status, build/gcov-iov.o): No longer depends on
        version.c.
        (version.o): Depend on version files; add custom generation command.
        (prefix.o): Define BASEVER on command line.
        (s-iov): Depend on version files; adjust command.
        (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
        Add gcc-vers.texi.
        (gcc-vers.texi): New rule.
        (doc/%.info, doc/%.dvi): Add -I . to command line.
        (doc/gccinstall.dvi): Likewise.
        (PACKAGE): Delete.  All uses replaced with "gcc".
        * aclocal.m4: Do not include gcc-version.m4.
        * configure.ac: Do not invoke TL_AC_GCC_VERSION.
        Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
        Set is_release based on contents of DEV-PHASE.
        Set gcc_version based on contents of BASE-VER.
        Define WIN32_REGISTRY_KEY only if the user overrode the default.
        * config.in, configure: Regenerate.
        * gccbug.in: Determine version of GCC in use at runtime.
        * gcov-iov.c: Get version number and development phase from
        command line, not by including version.c.
        * intl.c: Replace all uses of PACKAGE with "gcc".
        * libada-mk.in: Delete unused "gcc_version" variable.
        * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
        * version.c: (VERSUFFIX): New hook for redistributors; adjust
        commentary to match.
        (version_string): Put together from pieces.
        * config/alpha/x-vms: Do not use $(gcc_version).
        * config/i386/t-nwld: Likewise.
        * doc/include/gcc-common.texi: Include gcc-vers.texi for
        version-GCC and DEVELOPMENT.

2005-03-15  Roger Sayle  <roger@eyesopen.com>

        PR tree-optimization/17454
        * tree.c (tree_size): Add case for TREE_BINFO.
        * fold-const.c (fold_checksum_tree): Only clear the overloaded
        field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.

2005-03-15  Roger Sayle  <roger@eyesopen.com>

        * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
        op1 whilst expanding the signed widenening multiply variant.

2005-03-15  Richard Sandiford  <rsandifo@redhat.com>

        * toplev.c (display_target_options): Avoid unused variable warning if
        TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
        * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
        (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
        (mips_isa): Initialize to MIPS_ABI_DEFAULT.
        (mips_isa_info): New variable.
        (mips_parse_cpu): Remove the first argument and leave the caller
        to report errors.
        (TARGET_HANDLE_OPTION): Override default.
        (mips_handle_option): New function.  Move option validation code from...
        (override_options): ...here.  Update calls to mips_parse_cpu.
        * config/mips/mips.h (mips_arch_string, mips_tune_string)
        (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
        (SUBTARGET_TARGET_OPTIONS): Delete.
        * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
        (mno-flush-func, mtune=): New options.

2005-03-15  Roger Sayle  <roger@eyesopen.com>
            Richard Henderson  <rth@redhat.com>

        * real.c (c4x_single_format, c4x_extended_format): Provide values
        for signbit_ro for c4x's single and extended floating point formats.
        * optabs.c (expand_copysign): Use the floating point format's
        signbit_ro for expanding via expand_copysign_absneg, and it's
        signbit_rw field for expanding via expand_copysign_bit.

2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>

        * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
        known_alignment_for_access_p.
        (known_alignment_for_access_p): New.
        (do_peeling_for_alignment): Field made int instead of bool and renamed
        to peeling_for_alignment.
        (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
        * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
        functionality used to be in vect_analyze_operations.
        (vect_analyze_operations): Code to determine vectorization factor was
        moved to vect_determine_vectorization_factor.
        (vect_enhance_data_refs_alignment): Update to correct alignment when it
        is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
        factor.
        (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
        be part of vect_analyze_operations).
        * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
        creating the guard condition, as the number of iterations may be
        constant.
        (slpeel_tree_peel_loop_to_edge): Use new name of
        LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
        * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
        alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
        (vect_do_peeling_for_alignment): Use fold.
        (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.

        (vect_update_inits_of_dr): Renamed to
        vect_update_init_of_dr.
        (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
        (vectorizable_store): Fix assertion to use == instead of =.

2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
        call_used_regs for wCG registers.

2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
        for non-offsettable memory references to cope with outstanding reload
        replacements, take 2.

2005-03-15  Uros Bizjak  <uros@kss-loka.si>

        PR target/18668
        * config/i386/i386.h (x86_fisttp): New.
        (TARGET_FISTTP): New macro.
        * config/i386/i386.c (x86_fisttp): Set for NOCONA.
        (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
        instruction when fisttp flag is set.
        * config/i386/i386-protos.h (output_fix_trunc): Change declaration.

        * config/i386/i386.md (type attribute): Add fisttp.
        (unit attribute): Set to i387 for fisttp type.
        (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
        (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
        TARGET_FISTTP.
        (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
        Generate fisttp patterns for TARGET_FISTTP. Implement using mode
        macros.
        (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
        patterns for TARGET_FISTTP.  Enable patterns for
        (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
        (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
        fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
        implement fisttp x87 insn.
        (fix_trunc*_i387_fisttp splitters): New patterns.
        (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
        Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
        Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
        clobber.
        (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
        Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
        Implement using mode macros. Disable patterns for TARGET_FISTTP.
        (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
        fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
        fix_trunc<mode>_i387_with_temp. Implement using mode macros.
        Disable patterns for TARGET_FISTTP.
        (fix_trunc*_i387 splitters): Implement usign mode macros.
        (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
        fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
        (fix_trunx*_sse peephole2s): Implement using mode macros.

2005-03-15  J"orn Rennecke <joern.rennecke@st.com>

        PR rtl-optimization/20291
        * combine.c (try_combine): If splitting fails, re-try with
        original combined pattern, i.e. before clobber stripping.

2005-03-14  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
        STACK_GROWS_DOWNWARD.

2005-03-14  Roger Sayle  <roger@eyesopen.com>

        * real.h (struct real_format): Split the signbit field into two
        two fields, signbit_ro and signbit_rw.
        * real.c (ieee_single_format, mips_single_format, ieee_double_format,
        mips_double_format, ieee_extended_motorola_format,
        ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
        ieee_extended_intel_128_format, ibm_extended_format,
        mips_extended_format, ieee_quad_format, mips_quad_format,
        vax_f_format, vax_d_format, vax_g_format, i370_single_format,
        i370_double_format, c4x_single_format, c4x_extended_format,
        real_internal_format): Update initializers for new field.
        * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
        real_format structure.
        * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
        field of the real_format structure.

2005-03-14  Daniel Berlin <dberlin@dberlin.org>

        Fix PR tree-optimization/20458

        * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
        DECL_EXTERNAL on STRUCT_FIELD tags.
        (clear_call_clobbered): Ditto.
        * tree-ssa-operands.c (note_addressable): Make sure the original
        variable doesn't slip into the addressable list if we have
        subvars.
        * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
        tags too.

2005-03-14  Geoffrey Keating  <geoffk@apple.com>

        * doc/cppopts.texi (-fexec-charset): Add concept index entry.
        (-fwide-exec-charset): Likewise.
        (-finput-charset): Likewise.
        * doc/invoke.texi (Warning Options): Document -Wnormalized=.
        * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
        * c.opt (Wnormalized): New.

2005-03-14  Devang Patel  <dpatel@apple.com>

        * doc/invoke.texi: Add reference to Visibility document.

2005-03-14  Richard Sandiford  <rsandifo@redhat.com>

        * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
        MASK_SPLIT_ADDRESSES.
        * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
        (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
        (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
        (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
        (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
        (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
        (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
        (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
        (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
        (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
        (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
        (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
        (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
        (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
        (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
        (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
        (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
        (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
        (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
        (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
        (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
        (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
        (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
        (TARGET_EXPLICIT_RELOCS): Delete.
        (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
        (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
        * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
        (override_options): Set MASK_LONG64 if -mint64 is given and no
        -mlongXX option is.  Complain about -mint64 -mlong32.
        (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
        MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
        * config/mips/mips.opt: New file.

2005-03-14  Richard Sandiford  <rsandifo@redhat.com>

        * config.gcc (extra_options): New variable for listing option files.
        Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
        * configure.ac (extra_opt_files): New AC_SUBST variable.
        (tm_file_list, tm_include_list): Include options.h first.
        * configure: Regenerate.
        * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
        (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
        (s-options-h): New rule.
        (options.h): Depend on it.
        (TEXI_GCCINT_FILES): Add options.texi.
        * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
        * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
        * target.h (gcc_target): Add default_target_flags and handle_option.
        * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
        (TARGET_HANDLE_OPTION): New macros.
        (TARGET_INITIALIZER): Include them.
        * opt-functions.awk (opt_args, nth_arg): New functions.
        (switch_flags): Handle the "Target" flag.
        (var_args): Delete.
        (var_name): Use opt_args and nth_arg.
        (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
        * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
        macros for the "Mask" and "InverseMask" options.
        * opts.h (cl_var_cond): New enum.
        (cl_option): Replace the "has_set_value" and "set_value" fields with
        "var_cond" and "var_value".
        (CL_TARGET): New macro.
        (option_enabled, print_filtered_help): Declare.
        (decode_options): Move definition.
        * opts.c (handle_option): Search for the original option before
        removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
        var_cond and var_value fields.  Use targetm.handle_option to handle
        target options.
        (decode_options): Set target_flags to targetm.default_target_flags.
        (print_filtered_help): Make global.  Handle CL_TARGET.
        (option_enabled): New function.
        * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
        (display_target_options, set_target_switch, print_switch_values)
        (default_pch_valid_p): Guard uses of target_switches with
        #ifdef TARGET_SWITCHES.  Also...
        (display_target_options): Display the CL_TARGET entries in cl_options.
        (set_target_option): Don't complain about the "" option when
        TARGET_SWITCHES is undefined.
        (print_switch_values): Use option_enabled.
        (default_pch_valid_p): Check cl_options[] when looking for something
        that has changed the value of target_flags.
        * c.opt: Remove documentation from top of file.
        * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
        * doc/sourecebuild.texi: Refer to the new options documentation
        instead of c.opt.  Document machine-specific .opt files.
        * doc/tm.texi (target_flags): Say that this variable is declared
        by options.h.
        (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
        (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
        an alternative.
        * doc/options.texi: New file.

2005-03-14  Alexandre Oliva  <aoliva@redhat.com>

        PR middle-end/18628
        * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
        register.

2005-03-14  Alexandre Oliva  <aoliva@redhat.com>

        PR c++/20280
        * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
        temporary variable of pointer type if an lvalues is required.
        (gimplify_modify_expr_rhs): Request an rvalue from it.
        (gimplify_expr): Pass fallback on.

2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>

        * cfgbuild.c: Update comments.

2005-03-14  Roger Sayle  <roger@eyesopen.com>

        PR rtl-optimization/17236
        * optabs.c (expand_doubleword_mult): New helper function split out
        from expand_binop.  Permute the order in which instructions are
        emitted to minimize the number of simultaneously live registers.
        (expand_binop): Call expand_doubleword_mult to synthesize a double
        word multiplication.

2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>

        * basic-block.h: Update the prototypes of cached_make_edge and
        rtl_make_eh_edge.
        * cfg.c (cached_make_edge): Take edge_cache representing one
        row of the adjacency matrix of edges.
        * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
        (make_edges): Initialize edge_cache to represent one row of
        the adjacency matrix of edges.

2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
        New functions.
        (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
        Remove unused removed_phis variable.
        (conditional_replacement): Use build1/build2.
        (abs_replacement): Use last_and_only_stmt and build1/build2.

2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>

        * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
        ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
        * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
        (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
        * c-common.c (handle_novops_attribute): New function.
        (c_common_attribute_table): Add "no vops" entry.
        * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
        * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
        * tree-ssa-operands.c (get_call_expr_operands): Do not
        create virtual operands for calls with ECF_NOVOPS flag.
        * tree.h (DECL_IS_NOVOPS): New macro.
        (struct tree_decl): Add novops_flag.
        (ECF_NOVOPS): New constant.

2005-03-14  Uros Bizjak  <uros@kss-loka.si>

        PR target/17688
        * config/i386/i386.c (x86_use_himode_fiop): New.
        (x86_use_simode_fiop): Rename from x86_use_fiop.
        * config/i386/i386.h (x86_use_himode_fiop): Declare.
        (TARGET_USE_HIMODE_FIOP): New.
        (x86_use_simode_fiop): Rename from x86_use_fiop.
        (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.

        * config/i386/i386.md (X87MODEI12): New mode macro define.
        (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
        to implement x87 FP compare with HImode input operands.
        (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
        Use X87MODEI12 mode macro to handle HImode input operands.
        (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
        *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
        Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
        *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
        macro to implement x87 operators with HImode input operands.
        (fop splitters): Use X87MODEI12 mode macro to handle HImode
        input operands.

2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
        integer_zerop.
        * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
        constants invariant.

2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>

        * basic-block.h (BB_VISITED): Removed.
        * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.

2005-03-14  Falk Hueffner  <falk@debian.org>

        PR bootstrap/20424
        * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.

2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>

        * ggc-zone.c: Fix comment typos.

        * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
        stringpool.c, config/mips/mips-protos.h: Update copyright.

2005-03-14  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
        throughout with its typedef, "rtx".
        * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
        (rs6000_tls_symbol_ref_1): Remove inline keyword.
        * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
        regs in comment to match code.

2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>

        * except.c (check_handled): Make it static.
        * except.h: Remove the corresponding prototype.

        * function.c (get_func_frame_size): Make it static.
        * function.h: Remove the corresponding type.

        * regclass.c (reg_class_superclasses, reg_class_subclasses):
        Make them static.
        * hard-reg-set.h: Remove the corresponding declarations.

        * tree-cfg.c (verify_stmts): Check that
        bb_for_stmt (stmt) == bb for every PHI node and statement.

2005-03-14  Alan Modra  <amodra@bigpond.net.au>

        * config.gcc: Remove excess indentation.
        (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.

2005-03-13  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/19331
        * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
        * fold-const.c (fold_sign_changed_comparison): Likewise.
        (fold_binary): Optimize comparisons against widened operands if
        the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.

2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (struct_value_alias_set): New global variable.
        (sparc_override_options): Initialize it.
        (sparc_struct_value_rtx): Set it on the MEM to be returned.

2005-03-13  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
        (reg_or_none500mem_operand): New predicate.
        (zero_reg_mem_operand): New predicate.
        * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
        to reg_or_none500mem_operand.
        (extendsfdf2_fpr): Add MEM alternative.
        (extenddftf2_internal): Change operand2 predicate to
        zero_reg_mem_operand.

2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>

        * ggc-zone.c: Rewritten.

        * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
        if there are none.
        * configure.ac: Define GGC_ZONE for --with-gc=zone.
        * config.in: Regenerated.
        * configure: Regenerated.
        * gengtype.c (write_types_process_field, write_func_for_structure):
        Pass new argument to gt_pch_note_object.
        * ggc-common.c (struct ptr_data): Add TYPE.
        (gt_pch_note_object): Take TYPE argument and save it.
        (call_count): Update call to ggc_pch_count_object.
        (call_alloc): Update call to ggc_pch_alloc_object.
        (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
        file.
        * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
        * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
        (ggc_alloc_zone_stat): Delete.
        (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
        * ggc.h (gt_pch_note_object, ggc_pch_count_object)
        (ggc_pch_alloc_object): Update prototypes.
        (garbage_zone): Delete.
        (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
        GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
        pointers.
        (tree_id_zone): New variable.
        (ggc_alloc_cleared_zone): Remove unused.
        (ggc_alloc_zone): Define.
        (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
        * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
        ggc_alloc_zone_stat.
        * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
        * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
        (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
        (make_node_stat): Likewise.  Use tree_id_zone.

2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
            Joseph S. Myers  <joseph@codesourcery.com>

        * configure.ac: Check for MIPS TLS.
        * configure: Regenerated.
        * config/mips/mips-protos.h (enum mips_symbol_type): Add
        SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
        SYMBOL_GOTTPREL, and SYMBOL_TPREL.
        * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
        (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
        (mips_classify_symbol, mips_symbolic_constant_p)
        (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
        (mips_tls_operand_p, mips_call_tls_get_addr)
        (mips_legitimize_tls_address, mips_cannot_force_const_mem)
        (mips_tls_symbol_ref_1): New functions.
        (mips_legitimize_address, mips_legitimize_const_move): Call
        mips_legitimize_tls_address.
        (override_options): Handle V1_REG and TLS symbols.  Disable TLS
        for MIPS16.
        * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
        (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
        (mips_char_to_class): Document V1_REG.
        (HAVE_AS_TLS): Provide default.
        * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
        constants.
        (load_got<mode>): Renamed from *load_got<mode>.  Allow when
        !TARGET_ABICALLS.
        (tls_get_tp_<mode>): New instruction.

2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>

        * configure.ac: Update checks for target tools.
        * configure: Regenerated.

2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>

        * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.

2005-03-13  Roger Sayle  <roger@eyesopen.com>

        * expmed.c (expand_mult): Use synthetic multiplication sequences for
        more classes of DImode multiplication by constant.  Allow both
        multiplication by small negative constants (by performing a
        multiplication by a positive constant and negating the result) and
        multiplications by large powers of two, by using a left shift.

2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-into-ssa.c (find_idf): Speed up by putting the indexes
        of basic blocks into work_stack.

        * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
        config/mips/vr.h: Update copyright.

        * c-decl.c (c_init_decl_processing): Remove useless calls to
        build_function_type.

        * builtins.c (fold_trunc_transparent_mathfn,
        fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
        fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
        fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
        fold_builtin_strcpy, fold_builtin_strncpy,
        fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
        TREE_TYPE (exp).

        * builtins.c (expand_builtin_mathfn_3): Remove local variable
        before_call.

        * lambda-code.c (lambda_compute_auxillary_space): Remove local
        variable determinant.

        * tree-cfg.c (group_case_labels): Remove local variable type.

        * tree-ssa-live.c (build_tree_conflict_graph): Remove local
        variable ann.

        * tree-ssa-phiopt.c (value_replacement): Remove local variable
        result.

2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>

        PR target/18251
        * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
        (*movmemqi_insn): Delete.
        (*movmemhi): Delete.

2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>

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

2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/20402
        * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
        through into call to parser_xref_tag after parse error.
        (c_parser_struct_declaration): Consistently return NULL_TREE on
        error.

2005-03-12  Daniel Berlin  <dberlin@dberlin.org>

        * tree-flow-inline.h (ref_contains_array_ref): New function.
        (lookup_subvars_for_var): Ditto.
        (get_subvars_for_var): Ditto.
        (var_can_have_subvars): Ditto.

        * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
        (struct subvar): New type.

        * tree-dfa.c (okay_component_ref_for_subvars): New function.

        * tree-optimize.c (init_tree_optimization_passes): Call
        pass_create_structure_vars.

        * tree-ssa-alias.c: Include vec.h.
        (init_alias_info): Don't auto-clear call clobbered on struct-field
        tags.
        (compute_flow_insensitive_aliasing): Handle subvars.
        (group_aliases): Handle STRUCT_FIELD aliases.
        (setup_pointers_and_addressables): Ditto.
        Don't mark variables non-addressable if they still have
        addressable subvars.
        Also mark subvars addressable when the real variable is marked
        addressable.
        (add_pointed_to_var): Try to prune the pointed-to set by only
        pointing to subvars when possible.
        Otherwise, make sure we set addresses_needed and pt_vars to
        properly include subvars.
        (bitpos_of_field): New function.
        (push_fields_onto_fieldstack): Ditto.
        (get_or_create_used_part_for): Ditto.
        (create_overlap_variables_for): Ditto.
        (find_used_portions): Ditto.
        (create_structure_vars): Ditto.
        (pass_create_structure_vars): New structure.

        * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
        (get_expr_operands): Handle subvars.  Also try to turn
        COMPONENT_REF accesses into must-defs now that we can accurately
        portray it.
        (note_addressable): Try to only mark as addressable those subvars
        we know a COMPONENT_REF touches.
        (overlap_subvar): New function.

        * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
        Handle subvar storing.
        (vect_address_analysis): Update caller of vect_object_analysis.

        * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.

        * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
        (STMT_VINFO_SUBVARS): New macro.

        * common.opts: add flag_tree_salias.

        * opts.c (decode_options): flag_tree_salias defaults to on.

        * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.

        * doc/tree-ssa.texi: Document structural alias analysis.

2005-03-12  Steven Bosscher  <stevenb@suse.de>

        * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
        * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
        * tree-ssa-operands.c (get_expr_operands): Likewise.
        (get_expr_operands): Likewise for ERROR_MARK.

2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
        var.

        * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
        removed_phis.

        * tree-ssa-pre.c (compute_avail): Remove local variable val.
        (mark_operand_necessary): Remove local variable ver.

        * tree-vect-transform.c (vect_get_new_vect_var): Remove local
        variable prefix_len.

        * value-prof.c (mod_subtract_transform): Remove local variable
        value.

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

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

        * c-decl.c (c_init_decl_processing): Remove local variables
        ptr_ftype_void and ptr_ftype_ptr.

        * gimplify.c (gimplify_expr): Remove local variables r0 and
        r1.

        * reg-stack.c (move_for_stack_reg): Remove local variable
        push_insn.
        (compare_for_stack_reg): Remove local variable flags_user.
        (convert_regs_1): Remove local variable deleted.

        * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
        variable new_cond.
        (combine_blocks): Remove local variables exits and new_e.

        * tree-inline.c (expand_call_inline): Remove local variable
        decl.

        * tree-ssa-live.c (create_ssa_var_map,
        calculate_live_on_entry): Remove local variable snn.

2005-03-12  Geoffrey Keating  <geoffk@apple.com>

        * c-lex.c (c_lex_with_flags): Add parameter to call to
        cpp_spell_token.

2005-03-11  Per Bothner  <per@bothner.com>

        * c-tree.h (struct c_declarator): New id_loc field.
        * c-pragma.h (c_lex_with_flags): Take position reference.
        * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
        iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
        (c_lex): Pass dummy location to c_lex_with_flags.
        * c-parser.c (c_lex_one_token): Set c_token's location using
        c_lex_with_flags, instead of input_location, which might be "ahead".
        (c_parser_direct_declarator): Set declarator's id_loc from
        c_token's id_loc.
        * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
        declarator's id_loc, rather than probably-imprecise input_location.
        (build_id_declarator): Initialize c_declarator's id_loc field.

2005-03-11  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/20419
        * builtins.c (expand_builtin_signbit): Force the signbit's word
        into an integer register to avoid SUBREGs of floating point modes.

2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>

        * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
        target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
        tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
        config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.

2005-03-11  David Edelsohn  <edelsohn@gnu.org>

        PR rtl-optimization/20306
        * expr.c (emit_move_complex): Set try_int false if mode is
        MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
        emit_block_move if try_int is true.

2005-03-11  Richard Henderson  <rth@redhat.com>

        PR target/20415
        * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
        * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
        to match.

2005-03-11  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (mips_fix_vr4130_string): Declare.
        (TARGET_FIX_VR4130): New macro.
        (TARGET_OPTIONS): Add -mfix-vr4130.
        (ISA_HAS_MACCHI): New macro.
        (ASM_SPEC): Add -mfix-vr4130.
        * config/mips/mips.c (mips_fix_vr4130_string): New variable.
        (override_options): Handle mips_fix_vr4130_string.
        (mips_avoid_hazards): Clear all_noreorder_p
        if we're working around VR4130 errata and the macc alternatives
        are not available.
        * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
        (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
        * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
        (MULTILIB_DEFAULTS): Remove leading "march=".
        (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
        if no architecture option is given.
        * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
        VR4130 multilibs.
        (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
        * doc/invoke.texi: Document -mfix-vr4130.

2005-03-11  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (override_options): Only warn about -mint64
        deprecation if TARGET_INT64.

2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
        ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
        ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
        are non-specific regarding the nonnull parameter positions.
        (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
        ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
        ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
        ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.

        * builtins.def: Use the non-specific "nonnull" attibute lists.

2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>

        * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
        single_pred_edge, single_succ, single_pred): Improve comments.

2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>

        * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
        single_pred_edge, single_succ, single_pred): New inline functions.
        * bb-reorder.c (rotate_loop, find_traces_1_round,
        add_labels_and_missing_jumps, fix_up_fall_thru_edges,
        duplicate_computed_gotos): Use the single_succ/pred functions.
        * cfganal.c (forwarder_block_p): Ditto.
        * cfgbuild.c (compute_outgoing_frequencies): Ditto.
        * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
        outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
        merge_seq_blocks): Ditto.
        * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
        * cfglayout.c (fixup_reorder_chain): Ditto.
        * cfgloop.c (mark_single_exit_loops, update_latch_info,
        canonicalize_loop_headers, verify_loop_structure): Ditto.
        * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
        mfb_update_loops, create_preheader, force_single_succ_latches,
        create_loop_notes): Ditto.
        * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
        force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
        commit_one_edge_insertion, purge_dead_edges,
        cfg_layout_can_merge_blocks_p): Ditto.
        * except.c (sjlj_emit_function_enter): Ditto.
        * flow.c (init_propagate_block_info): Ditto.
        * function.c (thread_prologue_and_epilogue_insns): Ditto.
        * gcse.c (find_implicit_sets, bypass_conditional_jumps,
        insert_insn_end_bb): Ditto.
        * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
        find_if_case_2): Ditto.
        * lambda-code.c (perfect_nestify): Ditto.
        * lcm.c (optimize_mode_switching): Ditto.
        * loop-doloop.c (doloop_modify): Ditto.
        * loop-init.c (loop_optimizer_init): Ditto.
        * loop-iv.c (simplify_using_initial_values): Ditto.
        * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
        * loop-unswitch.c (unswitch_loop): Ditto.
        * modulo-sched.c (generate_prolog_epilog): Ditto.
        * predict.c (combine_predictions_for_insn, estimate_probability,
        tree_estimate_probability, last_basic_block_p,
        estimate_bb_frequencies): Ditto.
        * profile.c (branch_prob): Ditto.
        * regrename.c (copyprop_hardreg_forward): Ditto.
        * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
        * tracer.c (layout_superblocks): Ditto.
        * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
        cfg_remove_useless_stmts_bb, cleanup_control_flow,
        cleanup_control_expr_graph, disband_implicit_edges,
        tree_find_edge_insert_loc, bsi_commit_edge_inserts,
        tree_verify_flow_info, tree_make_forwarder_block,
        tree_forwarder_block_p, remove_forwarder_block,
        remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
        * tree-if-conv.c (tree_if_conversion): Ditto.
        * tree-mudflap.c (mf_build_check_statement_for): Ditto.
        * tree-ssa-dce.c (remove_dead_stmt): Ditto.
        * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
        * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
        copy_loop_headers): Ditto.
        * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
        * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
        * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
        lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
        * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
        * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
        * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
        * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
        * tree-ssa-threadupdate.c (redirect_edges): Ditto.
        * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
        eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
        * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
        * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
        * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
        slpeel_add_loop_guard): Ditto.

2005-03-11  James A. Morrison  <phython@gcc.gnu.org>

        PR tree-optimization/15784
        * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
        and -1 - A to ~A.

        * stmt.c (expand_case): Don't change index_type.  Convert minval
        to the proper type.

        PR tree-optimization/20130
        * fold-const.c (fold): Fold x * -1 into -x.

2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR rtl-optimization/20331
        * rtlanal.c (modified_between_p): Check its address first for MEM.
        (modified_in_p): Likewise.

2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>

        * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.

2005-03-10  Steven Bosscher  <stevenb@suse.de>

        * expr.c (expand_expr_real_1): If possible, use a conditional
        move for expanding MIN_EXPR and MAX_EXPR.
        Use temp for moving around rtx-en.

2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>

        PR rtl-opt/20412
        * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
        correct mode.

2005-03-10  Roger Sayle  <roger@eyesopen.com>

        * builtins.c (expand_builtin_signbit): Extend to handle floating
        point modes wider than the largest integer type, using the
        operand_subword_force function to obtain the signbit's word.

2005-03-10  Jakub Jelinek  <jakub@redhat.com>

        PR target/20322
        * combine.c (try_combine): If recog_for_combine added CLOBBERs
        to NEWI2PAT, fail to combine if they are used by NEWPAT.

2005-03-10  Aldy Hernandez  <aldyh@redhat.com>

        * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.

2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
        type void.
        (perform_edge_inserts): Unconditionally call
        free_dominator_info.

        * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.

2005-03-10  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.

2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>

        * bitmap.c (bitmap_copy): Remove manual loop unrolling.

        * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
        gcc_unreachable.
        (rtl_register_value_prof_hooks,
        tree_value_profile_transformations,
        tree_register_value_prof_hooks): Likewise.
        * var-tracking.c (stack_adjust_offset_pre_post,
        variable_htab_free, variable_union, dataflow_set_different_2,
        count_uses, variable_was_changed, set_frame_base_location,
        set_variable_part, emit_note_insn_var_location, vt_emit_notes,
        vt_add_function_parameters): Likewise.
        * varasm.c (named_section_real, named_section, make_decl_rtl,
        asm_emit_uninitialised, assemble_integer, decode_addr_const,
        const_hash_1, compare_constant, copy_constant, force_const_mem,
        output_constant_pool_2, output_constant_pool_1, output_constant,
        output_constructor, make_decl_one_only, decl_tls_model,
        default_no_named_section, default_elf_select_section_1,
        default_unique_section_1): Likewise.
        * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
        * vmsdbgout.c (addr_const_to_string): Likewise.

        PR c++/20375
        * function.c (struct assign_parm_data_one): Remove last_named
        field.
        (assign_parm_find_data_types): Don't determine last_named.
        Reorder named_parm determination.
        (assign_parms): Only setup varargs on the last non-varadic
        parameter.

2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>

        * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
        sda base address on medium model.

2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>

        * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
        * cfgloop.c (flow_loop_nodes_find): Export.
        * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
        Declare.
        * cfgloopmanip.c (fix_loop_structure): New function.
        * predict.c (predict_loops): Clean up the loops information.
        * tree-cfg.c (cleanup_tree_cfg_loop): New function.
        (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
        loop structure.
        * tree-flow.h (cleanup_tree_cfg_loop): Declare.
        (rewrite_into_loop_closed_ssa): Declaration changed.
        * tree-loop-linear.c (linear_transform_loops): Add argument to
        rewrite_into_loop_closed_ssa call.
        * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
        * tree-ssa-loop-im.c (move_computations): Ditto.
        * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
        * tree-vectorizer.c (vectorize_loops): Ditto.
        * tree-optimize.c: Include cfgloop.h.
        (execute_todo): Choose whether to call cleanup_tree_cfg or
        cleanup_tree_cfg_loop.
        * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
        (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
        * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
        cleanup_tree_cfg_loop call.
        * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
        (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
        work on part of cfg.

2005-03-10  Jakub Jelinek  <jakub@redhat.com>

        PR inline-asm/20314
        * gimplify.c (gimplify_asm_expr): Handle input/output constraints
        with multiple alternatives.

        * stmt.c (parse_output_constraint): Fix a typo.

2005-03-09  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
        assembly directive instead of deprecated "no-generics".

2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
        for non-offsettable memory references to cope with outstanding reload
        replacements.
        * config/s390/s390.md ("reload_outti"): Call find_replacement to
        avoid losing outstanding address reloads.
        ("reload_outdi", "reload_outdf"): Likewise.

2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
        code.  Add more cbrt transformations.

2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.

2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>

        * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
        NULL_TREE when a given tree is not simplified.
        (fold): Return the original tree when any of the functions
        mentioned above NULL_TREE.

        * fold-const.c (fold_unary, fold_binary): Take decomposed
        arguments, code, type, op0, and op1 in case of fold_binary.
        (fold): Update calls to fold_unary and fold_binary.

2005-03-09  Roger Sayle  <roger@eyesopen.com>

        * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
        a fndecl and an arglist instead of a CALL_EXPR, exp.

2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>

        * cfglayout.c (fixup_reorder_chain): Remove old_bb.

        * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.

        * expr.c (expand_assignment): Remove orig_to_rtx.

        * fold-const.c (int_const_binop): Remove no_overflow.

        * ifcvt.c (noce_emit_move_insn): Remove inmode.

        * loop-iv.c (get_biv_step_1): Remove lhs.

        * loop-unroll.c (analyze_insns_in_loop): Remove preheader.

        * real.c (real_nan): Remove neg.

        * function.c (thread_prologue_and_epilogue_insns): Remove i
        and newinsn.

        * tree-data-ref.c (array_base_name_differ_p): Remove ta and
        tb.

        * tree-eh.c (tree_could_trap_p): Remove idx.

        * tree-into-ssa.c (ann): Remove ann.

        * tree-outof-ssa.c (num_nodes): Remove num_nodes.

        * tree-sra.c (decide_block_copy): Remove inst_count.

        * tree-ssa-alias.c (may_alias_p): Remove v_ann.

        * tree-ssa-loop-im.c (lhs): Remove.

        * cfgbuild.c (state, STATE, SET_STATE,
        BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
        make_edges.
        (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
        (find_basic_blocks): Set the state of each basic block to
        BLOCK_NEW.

2005-03-08  Jeff Law  <law@redhat.com>

        * tree-cfg.c (cleanup_control_flow): If removal of a computed
        goto results in the removal of edges in the CFG, then we need
        to recompute dominators.

2005-03-09  Ben Elliston  <bje@au.ibm.com>

        * c-common.c (c_do_switch_warnings): Comment fix.

2005-03-08  Julian Brown  <julian@codesourcery.com>

        * Patch from 2005-03-08 reverted for causing regressions and
        ppc-darwin bootstrap failure.

2005-03-08  Fariborz Jahanian <fjahanian@apple.com>

        * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
        Define the real function for ppc-darwin.
        * c-typeck.c (convert_arguments): Check for target-specific
        invalid argument call to unprototyped function.
        * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
        New Macro.
        * target.h (invalid_arg_for_unprototyped_fn): New field
        in struct calls.
        * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
        default target hook.
        * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
        Declare.

2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>

        * c-typeck.c (constructor_stack, constructor_range_stack,
        initializer_stack): Make them static.

        * cfg.c (rbi_pool): Make it static.

        * gimple-low.c (lower_stmt_body): Make it static.
        * tree-flow.h: Remove the corresponding prototype.  Don't
        declare lower_data.

        * sched-deps.c (cache_size): Make it static.

        * stor-layout.c (lang_adjust_rli): Make it static.

2005-03-08  Julian Brown  <julian@codesourcery.com>

        * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
        from being used for symbols with vague linkage when
        HAVE_GAS_COMDAT_GROUP is true.

2005-03-08  J"orn Rennecke <joern.rennecke@st.com>

        * jump.c (invert_jump_1): Don't call redirect_jump_1 with
        nlabel == JUMP_LABEL (jump).

2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>

        * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
        gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
        tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
        tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.

2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>

        PR c/14411
        * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
        * c-common.c (handle_returns_twice): New function.
        (c_common_attribute_table): Declare eturns_twice' attribute.
        * doc/extend.texi: Document eturns_twice' attribute.
        * tree.h (DECL_IS_RETURNS_TWICE): New macro.
        (struct tree_decl): Add returns_twice_flag.

2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-phiopt.c: Fix a comment typo.

        * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
        loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
        config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
        copyright.

2005-03-08  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (code_for_builtin): Replace special-case
        builtin codes with ctzdi2, clzdi2, popcountdi2.
        (struct alpha_builtin_def): Add is_const.
        (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
        (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
        (alpha_init_builtins): Init them.  Set nothrow and const attributes
        on builtins.
        (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
        alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
        alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
        alpha_fold_vector_minmax, alpha_fold_builtin_perr,
        alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
        alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
        alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
        alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
        (TARGET_FOLD_BUILTIN): New.
        * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
        (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
        (ffsdi2): Use ctz.
        (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.

2005-03-08  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/20122
        * tree-vect-analyze.c (vect_object_analysis): Analyze initial
        condition of access function instead of base.

2005-03-07  Jeff Law  <law@redhat.com>
            Steven Bosscher  <stevenb@suse.de>

        * tree-cfg.c (find_taken_edge_computed_goto): New function.
        (find_taken_edge): Call find_taken_edge_computed_goto as
        appropriate.  Allow any gimple invariant rather than just
        INTEGER_CST for VAL.
        (cleanup_control_flow): Cleanup a computed goto which has turned
        into a simple goto.
        (tree_merge_blocks): If block B has any forced labels, move
        them to the start of block A.
        * tree-ssa-dom.c (thread_across_edge): Allow threading across
        computed gotos as well.
        * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
        removal of unnecessary computed gotos too.
        (lookup_redirection_data): Fix type of INSERT argument.  Callers
        updated.

2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
        Remove trailing spaces.

        * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
        unshare_all_trees): Make them static.
        * tree-gimple.h: Remove the corresponding prototypes.

        * diagnostic.h: Remove unused prototype
        debug_output_buffer.
        * modulo-sched.c: Remove unused prototype
        set_row_column_for_ps.

        * tree-ssa-phiopt.c (tree_ssa_phiopt,
        replace_phi_edge_with_variable): Remove unused variable i.

2005-03-07  Per Bothner  <per@bothner.com>

        * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.

2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/17671
        * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
        bbs on the COND_EXPR instead of the PHI_NODEs.
        (candidate_bb_for_phi_optimization): Remove.
        (replace_phi_with_stmt): Rename to ...
        (replace_phi_edge_with_variable): this and change so that we
        replace the phi argument instead of removing the PHI.
        (conditional_replacement): Change so we deal with PHI with more
        than two arguments.
        (value_replacement): Likewise.
        (abs_replacement): Likewise.

2005-03-07  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
        output_e500_flip_gt_bit.

        * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
        as bit 31.
        (rs6000_generate_compare): Fix logic to look at the correct bits.
        (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
        Look at GT bit.
        (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
        gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
        gen_move_from_CR_gt_bit.

        * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
        ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
        (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.

        * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
        (E500_CR_IOR_COMPARE): New constant.

2005-03-08  Earl Chew <earl_chew@agilent.com>
            David Billinghurst <David.Billinghurst@riotinto.com>

        * config/i386/host-cygwin.c: New file to support precompiled
        headers on cygwin
        * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
        * config.host: Use above files for cygwin host.

2005-03-07  David Edelsohn  <edelsohn@gnu.org>

        * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
        ordering ops from earlier change.

2005-03-07  Per Bothner  <per@bothner.com>

        Various fixes to allow us to again build if --enable-mapped-location:
        * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
        unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
        * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
        local variable loc. Change logic appropriately.
        * tree-vect-transform.c (vect_finish_stmt_generation): Use
        EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
        * c-parser.c (c_parser_for_statement): Initialize loc variable.
        * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
        DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.

2005-03-07  Richard Sandiford  <rsandifo@redhat.com>

        PR rtl-optimization/19683
        * reload1.c (choose_reload_regs): Pass the number of bits, not the
        number of bytes, to smallest_int_for_mode.  Fix arguments to
        REG_CANNOT_CHANGE_MODE_P.

2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * reorg.c (relax_delay_slots): Check that the jump is
        conditional before trying to invert it.

2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>

        * bb-reorder.c (max_entry_frequency, max_entry_frequency):
        Make them static.

        * calls (stack_arg_under_construction): Make it static.

        * flow.c (regs_live_at_setjmp): Make it static.
        * flow.h: Remove the corresponding prototype.

        * reload1.c (reload_startobj, reload_firstobj,
        something_needs_operands_changed, reload_inherited,
        reload_inheritance_insn, reload_override_in,
        reload_spill_index): Make them static.

        * recog.c (verify_changes): Make it static.
        * recog.h: Remove the corresponding prototype.

        * cfgbuild.c (find_sub_basic_blocks): Remove.
        * basic-block.h: Remove the corresponding prototype.
        * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
        in comments.
        * doc/cfg.texi: Don't mention find_sub_basic_blocks.

        * tree-ssa-operands.c (check_build_stmt): Remove.

        * stor-layout.c (set_alignment): Remove.
        * tree.h: Remove the corresponding prototype.

        * tree-ssa-pre.c (has_abnormal_preds): Make it static.

        * tree-ssa-dce.c (control_dependence_map,
        visited_control_parents): Make them static.

        * cfghooks.c (verify_flow_info): Remove local variable
        num_bb_notes.

        * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
        last_bb_seen.

        * loop-unswitch.c (unswitch_loop): Remove local variable src.

2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>

        * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.

2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>

        * config/ia64/hpux.h (LINK_SPEC): Add -z.
        * config/ia64/ia64.c (ia64_function_value): Return a REG not a
        PARALLEL for an empty structure.

2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>

        * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.

        * fold-const.c (fold_binary): Unroll the very first "for"
        loop.

2005-03-06  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/predicates.md (branch_comparison_operator): Remove
        redundant match_code test.
        (scc_comparison_operator): Swap match_operand and match_code
        tests.
        (branch_positive_comparison_operator): Same.
        (trap_comparison_operator): Use comparison_operator and swap with
        match_code test.

2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>

        PR target/20288
        * config/avr/avr.c (print_operand): Add 'p' and 'r'.
        (out_movhi_r_mr): Read low byte of volatile MEM first.
        (out_movhi_mr_r): Write high byte of volatile MEM first.

2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>

        * cselib.c (reg_values, reg_values_size): Make them static.

        * cse.c (cse_reg_info_table): Make it static.

        * fold-const.c (fold_unary): Use build1 instead of copy_node.

2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>

        * cse.c (find_best_addr): Use canon_for_address.

2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>

        * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
        (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
        SUBREG and MEM, respectively.

        * fold-const.c (fold_binary): Use code instead of t.

        * fold-const.c (optimize_minmax_comparison): Take decomposed
        arguments code, type, op0, and op1 instead of t.
        (fold_binary): Update a call to optimize_minmax_comparison.

        * fold-const.c (fold_range_test): Take decomposed arguments
        code, type, op0, and op1 instead of t.
        (fold_binary): Update a call to fold_range_test.

        * fold-const.c (fold_binary_op_with_conditional_arg): Take
        decomposed arguments code, type, op0, and op1 instead of t.
        (fold_binary): Update a call to fold_range_test.

2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>

        * fold-const.c (fold_binary): Avoid directly using the original
        expression t as much as possible.

2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>

        * c-semantics.c (build_stmt): Use TYPE_P instead of
        IS_NON_TYPE_CODE_CLASS.
        * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
        (NON_TYPE_CHECK): Use TYPE_P instead of
        IS_NON_TYPE_CODE_CLASS.

        * fold-const.c (fold): Remove handling of binary expressions.

2005-03-05  James A. Morrison  <phython@gcc.gnu.org>

        * doc/c-tree.texi: Wrap comments in @r{}.
        * doc/cpp.texi: Likewise.
        * doc/cppinternals.texi: Likewise.
        * doc/extend.texi: Likewise.
        * doc/md.texi: Likewise.
        * doc/objc.texi: Likewise.
        * doc/sourcebuild.texi: Likewise.
        * doc/tm.texi: Likewise.
        * doc/tree-ssa.texi

2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>

        * predict.c (apply_return_prediction): Standardize PHI chain
        walking.
        * tree-ssa.c (ssa_redirect_edge): Likewise.

        * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
        gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
        Update copyright.

        * tree-phinodes.c (remove_phi_node): Drop the last argument.
        * tree-flow.h: Adjust the prototype for remove_phi_node.
        * lambda-code.c (perfect_nestify): Adjust a call to
        remove_phi_node.
        * tree-cfg.c
        (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
        * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
        Likewise.
        * tree-ssa-dce.c (remove_dead_phis): Likewise.
        * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
        * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
        * tree-ssa.c (kill_redundant_phi_nodes): Likewise.

        * combine.c (simplify_and_const_int): Use gen_int_mode instead
        of GEN_INT (trunc_int_for_mode (...)).
        * loop-iv.c (iv_number_of_iterations): Likewise.
        * postreload.c (reload_cse_move2add): Likewise.
        * simplify-rtx.c (simplify_const_unary_operation,
        simplify_const_binary_operation): Likewise.
        * stor-layout.c (get_mode_bounds): Likewise.

        * fold-const.c (fold_binary): New.
        (fold): Call fold_binary on binary expressions.

2005-03-05  Richard Sandiford  <rsandifo@redhat.com>

        * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
        * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
        (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
        (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
        (ASM_SPEC): Pass down -msym32 and -mno-sym32.

2005-03-04  Devang Patel  <dpatel@apple.com>

        PR tree-optimization/18815
        * tree-if-conv.c (combine_blocks): Adjust loop header edges for
        loops with zero exit edges.

2005-03-04  Devang Patel  <dpatel@apple.com>

        * doc/invoke.texi: Remove reference to webpage that does not exist.

2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
            Joseph S. Myers  <joseph@codesourcery.com>

        PR c++/19797
        * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
        (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
        * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
        * pa.c (get_plabel): Change argument to symbol_ref.  Call
        maybe_get_identifier instead of get_identifier.
        (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
        (struct deferred_plabel): Replace name field with symbol field.
        (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
        ASM_OUTPUT_EXTERNAL_REAL is defined.
        (output_global_address): Use output_addr_const for output of all
        symbol_refs.
        (output_deferred_plabels): Use symbol_ref instead of name for address
        output.
        * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
        ASM_OUTPUT_SYMBOL_REF): New macros.
        * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
        comment.
        (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
        label.

2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>

        * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
        *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.

2005-03-04  Jeff Law  <law@redhat.com>

        * basic-block.h (rediscover_loops_after_threading): Declare.
        * tree-ssa-dom.c: Include cfgloop.h.
        (tree_ssa_dominator_optimize): Discover loops and some basic
        properties.  Remove forwarder blocks recreated by loop header
        canonicalization.  Also mark backedges in the CFG.
        * tree-ssa-threadupdate.c: Include cfgloop.h
        (rediscover_loops_after_threading): Define.
        (struct local_info): New field, JUMP_THREADED.
        (prune_undesirable_thread_requests): New function.
        (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
        then record that fact for the callers of redirct_edges.
        (thread_block): If BB has incoming backedges, then call
        prune_undesirable_thraed_requests.    Note when we are
        going to have to rediscover loop information.  Return a
        boolean indicating if any jumps were threaded.
        (thread_through_all_blocks): Bubble up boolean indicating
        if any jumps were threaded.
        * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
        (tree-ssa-threadupdate.o): Similarly.

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

        * fold-const.c (fold_ternary): Unroll the "for" loop to
        extract operands.

2005-03-04  Andrew Haley  <aph@redhat.com>

        * unwind-dw2-fde-glibc.c (struct
        unw_eh_callback_data.check_cache): New field.
        (frame_hdr_cache): New.
        (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
        Cache frame header info.

2005-03-04  Richard Sandiford  <rsandifo@redhat.com>

        * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
        (print_c_condition): Declare.
        * read-rtl.c (ptr_loc): New structure.
        (ptr_locs, ptr_loc_obstack, joined_conditions)
        (joined_conditions_obstack): New variables.
        (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
        (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
        (join_c_conditions, print_c_condition): New functions.
        (apply_macro_to_string): Associate the new string with the same
        source location as the old one.
        (add_condition_to_string): Use join_c_conditions.
        (read_string): Use set_rtx_ptr_loc to record a filename and line
        number for the string.
        (read_rtx): Initialize the new variables above.
        * genattrtab.c (write_test_expr, write_attr_value): Use
        print_c_condition.
        * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
        comment above the GCC_VERSION check.
        (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
        Inline the definition of MAYBE_EVAL.
        * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
        * genoutput.c (process_template): Likewise.
        * genpreds.c (write_predicate_subfunction): Likewise.
        (write_predicate_expr): Use print_c_condition.
        * genrecog.c (write_cond): Likewise.
        * gensupport.c (process_rtx): Use join_c_conditions to join the
        conditions of a define_insn_and_split.  Record a source location
        for the string after the "&&".
        (alter_test_for_insn): Use join_c_conditions.

2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>

        Revert for now:
        2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
        PR tree-optimization/15784
        * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
        and -1 - A to ~A.

2005-03-04  Ben Elliston  <bje@au.ibm.com>

        * gcc.c (option_map): Add --coverage.
        (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
        (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
        * config/darwin.h: Pass -lgcov for `coverage'.
        * doc/invoke.texi (Debugging Options): Document --coverage.

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

        * gcse.c (bypass_block): Use find_edge wherever possible.

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

        Fix PR debug/20253

        * c-opts.c (c_common_parse_file): Call start_source_file
        and end_source_file at the approriate times.

        * dwarf2out.c (dwarf2out_finish): Don't auto-end
        the main file, it will be done for us now.

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

        * fold-const.c (fold_ternary): New.
        (fold): Call fold_ternary on ternary expressions.  Remove
        handling of ternary expressions.

2005-03-03  James A. Morrison  <phython@gcc.gnu.org>

        PR tree-optimization/15784
        * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
        and -1 - A to ~A.

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

        * config/rs6000/predicates.md (branch_comparison_operator):
        Convert from C block to conditional format.

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

        * tree-dfa.c (add_referenced_var): Don't walk initializer of external
        and non-constant public variables.

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

        * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
        with LABEL_EXPR.

        * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
        EDGE_I.

        * tree-phinodes.c (remove_phi_node): Clean up by factoring out
        calls to release_ssa_name and release_phi_node.

        * fold-const.c (fold): Remove handling of unary expressions.

        * fold-const.c (fold_unary): Avoid directly using the original
        expression t as much as possible.

2005-03-03  Roger Sayle  <roger@eyesopen.com>
            Andrew Pinski  <pinskia@physics.uc.edu>

        * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
        RETURN rtx, and not a LABEL_REF containing a NULL pointer.

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

        Describe special registers SRP and MOF as allocatable registers.
        * config/cris/cris.c (cris_md_asm_clobbers): New function.
        (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
        (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
        TARGET_HAS_MUL_INSNS.
        (cris_print_operand) <case 'd'>: New case.
        <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
        * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
        define.
        (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
        (REG_ALLOC_ORDER): Update for MOF.
        (enum reg_class): New members MOF_REGS, GENERAL_REGS and
        SPECIAL_REGS.
        (GENERAL_REGS): No longer a define of ALL_REGS.
        (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
        (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
        Adjust accordingly.
        (CRIS_SPECIAL_REGS_CONTENTS): New macro.
        (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
        (SECONDARY_RELOAD_CLASS): Define.
        (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
        (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
        (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
        (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
        (REGISTER_MOVE_COST): Define.
        (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
        * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
        (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
        (CRIS_MOF_REGNUM): New define_constants.
        ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
        special registers.
        ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
        New patterns.
        ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
        ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
        Adjust for MOF being properly described as a register.
        (indir_to_reg_split): Name this split.  Conditionalize on the
        destination register being a general register.
        (movei): Conditionalize on on operands 0 and 1 having the same
        register class.

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

        PR target/20277
        * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
        -mcpu to override any other explicitly given flags.

2005-03-02  J"orn Rennecke <joern.rennecke@st.com>

        * recog.c (verify_changes, confirm_change_group): New functions,
        broken out of apply_change_group.
        (apply_change_group): Use them.
        * recog.h (verify_change, confirm_change_group): Declare.
        * rtl.h (redirect_jump_2): Declare.
        * jump.c (redirect_exp, invert_exp): Delete.
        (invert_exp_1): Take second parameter.  Return value.  Changed caller.
        (redirect_jump_2): New function, broken out of redirect_jump.
        (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
        (invert_jump): Use invert_jump_1 and redirect_jump_2.
        * ifcvt.c (dead_or_predicable): Use redirect_jump_2.

2005-03-02  Geoffrey Keating  <geoffk@apple.com>

        * varasm.c (named_section): Use xstrdup rather than doing it by
        hand.

        * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.

2005-03-02  Devang Patel  <dpatel@apple.com>

        Undo PR tree-optimization/18815 fix.

2005-03-02  Devang Patel  <dpatel@apple.com>

        PR tree-optimization/18815
        * tree-if-conv.c (combine_blocks): Adjust loop header edges for
        loops with zero exit edges.

2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>

        * cfg.c (connect_src, connect_dest, disconnect_src,
        disconnct_dest): New.
        (unchecked_make_edge, remove_edge, redirect_edge_succ,
        redirect_edge_pred): Use the new functions.

        * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
        free_dominance_info only when needed.

2005-03-02  David Edelsohn  <edelsohn@gnu.org>

        PR target/20276
        * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
        (reg_or_sub_cint64_operand): Same.

2005-03-02  Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
        CFG_ALTERED in the main DOM iteration loop.

2005-03-02  Mark Mitchell  <mark@codesourcery.com>

        PR c++/19916
        * varasm.c (initializer_constant_valid_p): Allow conversions
        between OFFSET_TYPEs.  Tidy.

2005-03-02  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.md ("return"): Remove epilogue delay list
        sanity check.

2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
        for Thumb.
        * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.

2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>

        * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
        loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
        config/m68k/m68k.c, config/mips/mips.h,
        config/rs6000/rs6000-protos.h, doc/contrib.texi,
        doc/include/gcc-common.texi: Update copyright.

        PR middle-end/18029 and PR middle-end/18030
        * expr.c (optimize_bitfield_assignment_op): Add a special case
        to handle BIT_IOR_EXPR and BIT_XOR_EXPR.

        * fold-const.c (fold_unary): New.
        (fold): Call fold_unary on unary expressions.

2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>

        * cgraph.h (struct cgraph_edge): Add prev_caller and
        prev_callee fields.
        (cgraph_node_remove_callees): Export.
        * cgraph.c (cgraph_create_edge): Initialize prev_caller
        and prev_callee.
        (cgraph_edge_remove_callee): New function.
        (cgraph_edge_remove_caller): Likewise.
        (cgraph_remove_edge): Use.
        (cgraph_redirect_edge_callee): Likewise.
        (cgraph_node_remove_callees): New function.
        (cgraph_node_remove_callers): Likewise.
        (cgraph_remove_node): Use.
        * tree-optimize.c (tree_rest_of_compilation): Use
        cgraph_node_remove_callees instead of manual loop.
        * cgraphunit.c (cgraph_finalize_function): Likewise.
        (cgraph_expand_function): Likewise.
        (cgraph_remove_unreachable_nodes): Likewise.

2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/8927
        * c-tree.h (undeclared_variable, build_external_ref): Add extra
        argument.
        * c-decl.c (undeclared_variable): Take location as argument.
        * c-typeck.c (build_external_ref): Likewise.
        * c-parser.c (c_parser_postfix_expression): Pass location of
        identifier to build_external_ref.

2005-03-01  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
        CCEQ mode for branch_positive_comparison_operator test.
        * config/rs6000/predicates (branch_comparison_operator): Revert to
        define_predicate.
        (scc_comparison_operator): Same.
        (branch_positive_comparison_operator): Same.

2005-03-01  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.c (cris_eligible_for_epilogue_delay)
        (cris_delay_slots_for_epilogue): Remove.
        (save_last): Move into cris_target_asm_function_epilogue.
        (cris_target_asm_function_epilogue): Remove tests for file being
        NULL.
        * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
        (cris_delay_slots_for_epilogue): Remove prototypes.
        * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
        (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.

2005-03-01  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/predicates.md (branch_comparison_operator): Change
        to define_special_predicate.
        (scc_comparison_operator): Same.
        (branch_positive_comparison_operator): Same.

2005-03-01  Daniel Berlin <dberlin@dberlin.org>

        * Makefile.in (tree-ssa-sink.o): New.
        (OBJS-common): Add tree-ssa-sink.o.
        * common.opt: Add -ftree-sink
        * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
        * timevar.def (TV_TREE_SINK): new timevar.
        * tree-flow.h (is_hidden_global_store): Prototype.
        * tree-optimize.c (init_tree_optimization_passes): Add
        pass_sink_code.
        * tree-pass.h (pass_sink_code): New.
        * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
        for non-obvious global store store to is_hidden_global_store, and
        call that new function.
        * tree-ssa-sink.c: New file.
        * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
        * doc/passes.texi: Document forward store motion.
        * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
        * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
        * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
        * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test

2005-03-01  Per Bothner  <per@bothner.com>

        * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
        and we have a non-zero column-number, add it to the message.
        Also factor out the diagnostic_kind_text.

2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>

        * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
        flow_loop_pre_header_scan, flow_loop_pre_header_find,
        flow_loop_scan): Removed.
        (flow_loop_dump): Do not dump removed fields.
        (flow_loop_free): Do not free removed fields.
        (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
        (loop_exit_edge_p): New function.
        * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
        num_pre_header_edges, entry_edges, num_entries, exit_edges,
        num_exits, exits_doms.
        (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
        LOOP_EDGES, LOOP_ALL): Removed.
        (flow_loop_scan): Declaration removed.
        (loop_exit_edge_p, mark_loop_exit_edges): Declare.
        * cfgloopmanip.c (create_loop_notes): Do not pass flags to
        flow_loops_find.
        * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
        (if_convert): Call flow_loops_find and flow_loops_free
        when calling mark_loop_exit_edges.
        * cfgloopanal.c (mark_loop_exit_edges): Moved from
        ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
        free_dominance_info calls.
        * loop-init.c (flow_loops_find): Ditto.
        * passes.c (rest_of_handle_branch_prob): Ditto.
        * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
        * loop-unroll.c (analyze_insns_in_loop): Do not use
        EDGE_LOOP_EXIT.
        * predict.c (predict_loops): Do not call flow_loop_scan.
        Use get_loop_exit_edges.
        (tree_estimate_probability): Do not pass flags to flow_loops_find.
        * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
        Do not use EDGE_LOOP_EXIT.
        (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
        to bb_with_exit_edge_p.
        (if_convertible_loop_p): Do not call flow_loop_scan.  Use
        loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
        to bb_with_exit_edge_p.
        (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
        EDGE_LOOP_EXIT.
        * tree-loop-linear.c (linear_transform_loops): Do not call
        flow_loop_scan.  Use loop->single_exit.
        * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
        (vect_analyze_loop_form): Do not call flow_loop_scan.
        * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
        loop->single_exit.
        (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
        loop->single_exit.
        * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
        slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
        slpeel_tree_duplicate_loop_to_edge_cfg,
        slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
        Use loop_preheader_edge and loop->single_exit.  Do not call
        flow_loop_scan.

2005-03-01  Nick Clifton  <nickc@redhat.com>

        * config/arm/arm.c (thumb_find_work_register): Check all of the
        argument registers to see if they are free, and a couple of
        special cases where the last argument register but can be proved
        to be available during the function's prologue.
        (print_multi_reg, arm_compute_save_reg0_reg12_mask,
        output_return_instruction, emit_multi_reg_push, thumb_pushpop,
        thumb_unexpanded_epilogue): Use unsigned long as the type for the
        register bit-mask.
        (thumb_compute_save_reg_mask): Likewise.  Also use
        thumb_find_work_register() to ensure that there is agreement about
        which work register is going to be used in the prologue.
        (thumb_output_function_prologue): Use unsigned long as the type
        for the register bit-mask.  Also delay pushing the link register if
        other high registers are going to be pushed.
        (thumb_compute_save_reg_mask, emit_multi_reg_push,
        print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
        redundant prototypes.

2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>

        PR target/19819
        * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
        and after reload in REG+REG indexed addresses without REG_POINTER
        set in the base and not set in the index.

2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
        Don't undefine here.
        (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
        (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
        (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
        (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
        LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
        Delete.
        * config.gcc (sh*-*-linux*): Use config/linux.h.

2005-02-28  Dale Johannesen  <dalej@apple.com>
            Stan Shebs  <shebs@apple.com>

        Rewrite of 64-bit Darwin structure-by-value pass/return.
        * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
        intoffset, use_stack, named.
        * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
        (rs6000_darwin64_record_arg_advance_flush):  New.
        (rs6000_darwin64_record_arg_advance_recurse): New.
        (rs6000_darwin64_record_arg_flush):  New.
        (rs6000_darwin64_record_arg_recurse):  New.
        (rs6000_darwin64_record_arg):  New.
        (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
        (function_arg_boundary):  Handle 128-bit aligned structs.
        (function_arg_advance):  Rewrite darwin64 struct handling.
        (function_arg):  Call rs6000_darwin64_record_arg.
        (function_arg_partial_nregs):  Handle darwin64 structs.
        (rs6000_darwin64_function_value):  Remove.
        (rs6000_function_value):  Call rs6000_darwin64_record_arg.

2005-02-28  Roger Sayle  <roger@eyesopen.com>

        PR tree-optimization/20216
        * tree-chrec.c (tree_fold_factorial): Delete.
        (tree_fold_binomial): Change argument list to take a return type
        and change the type of K to unsigned int.  Rewrite to avoid explicit
        evaluation of factorials, and (recursively) calling fold to perform
        compile-time arithmetic.  Return NULL on (internal) overflow.
        (chrec_evaluate): Change type of K to an unsigned int.  Avoid
        calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
        if any intermediate calculation overflows.
        (chrec_apply): Update call to chrec_evaluate.

2005-02-28  James E Wilson  <wilson@specifixinc.com>

        * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.

2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/20245
        * c-parser.c (c_parser_compound_statement): Return error_mark_node
        instead of NULL_TREE on error.

2005-02-28  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
        (EASY_VECTOR_15_ADD_SELF): Remove.
        (num_insns_constant_wide): Not static.
        (validate_condition_mode): Not static.
        (toc_relative_expr_p): Not static.
        (legitimate_indirect_address_p): Not static.
        (macho_lo_sum_memory_operand): Not static.
        (invalid_e500_subreg): Not static.
        (easy_vector_same): Not static.
        (easy_vector_splat_const): Not static.
        (RS6000_SYMBOL_REF_TLS_P): Remove.
        (any_operand): Delete.
        (any_parallel_operand): Delete.
        (count_register_operand): Delete.
        (altivec_register_operand): Delete.
        (xer_operand): Delete.
        (s8bit_cint_operand): Delete.
        (short_cint_operand): Delete.
        (u_short_cint_operand): Delete.
        (non_short_cint_operand): Delete.
        (exact_log2_cint_operand): Delete.
        (gpc_reg_operand): Delete.
        (cc_reg_operand): Delete.
        (cc_reg_not_cr0_operand): Delete.
        (reg_or_short_operand): Delete.
        (reg_or_neg_short_operand): Delete.
        (reg_or_aligned_short_operand): Delete.
        (reg_or_u_short_operand): Delete.
        (reg_or_cint_operand): Delete.
        (reg_or_arith_cint_operand): Delete.
        (reg_or_add_cint64_operand): Delete.
        (reg_or_sub_cint64_operand): Delete.
        (reg_or_logical_cint_operand): Delete.
        (got_operand): Delete.
        (got_no_const_operand): Delete.
        (easy_fp_constant): Delete.
        (easy_vector_constant): Delete.
        (easy_vector_constant_add_self): Delete.
        (zero_constant): Delete.
        (zero_fp_constant): Delete.
        (volatile_mem_operand): Delete.
        (offsettable_mem_operand): Delete.
        (mem_or_easy_const_operand): Delete.
        (add_operand): Delete.
        (non_add_cint_operand): Delete.
        (logical_operand): Delete.
        (non_logical_cint_operand): Delete.
        (mask_operand): Delete.
        (mask_operand_wrap): Delete.
        (mask64_operand): Delete.
        (mask64_2_operand): Delete.
        (and64_operand): Delete.
        (and64_2_operand): Delete.
        (and_operand): Delete.
        (reg_or_mem_operand): Delete.
        (lwa_operand): Delete.
        (symbol_ref_operand): Delete.
        (call_operand): Delete.
        (current_file_function_operand): Delete.
        (input_operand): Delete.
        (rs6000_nonimmediate_operand): Delete.
        (rs6000_tls_symbol_ref): Delete.
        (save_world_operation): Delete.
        (restore_world_operation): Delete.
        (load_multiple_operation): Delete.
        (store_multiple_operation): Delete.
        (vrsave_operation): Delete.
        (mfcr_operation): Delete.
        (mtcrf_operation): Delete.
        (lmw_operation): Delete.
        (stmw_operation): Delete.
        (branch_comparison_operator): Delete.
        (branch_positive_comparison_operator): Delete.
        (scc_comparison_operator): Delete.
        (trap_comparison_operator): Delete.
        (boolean_operator): Delete.
        (boolean_or_operator): Delete.
        (min_max_operator): Delete.
        * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
        (EASY_VECTOR_15): Moved to here.
        (EASY_VECTOR_15_ADD_SELF): Move to here.
        (PREDICATE_CODES): Delete.
        * config/rs6000/rs6000-protos.h: Delete predicate functions.
        Declare functions no longer static.
        * config/rs6000/predicates.md: New.
        * config/rs6000/rs6000.md: Include predicates.md

2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>

        * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
        (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
        REG_ALWAYS_RETURN.
        * cfgrtl.c (need_fake_edge_p): Likewise.
        * combine.c (distribute_notes): Likewise.
        * emit-rtl.c (try_split): Likewise.
        * recog.c (peephole2_opimize): Likewise.
        * reg-notes.def (ALWAYS_RETURN): Remove.
        * rtl.h (LCT_ALWAYS_RETURN): Remove.
        * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
        * tree.h (ECF_ALWAYS_RETURN): Remove.

2005-02-28  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/19874
        * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
        between different machine modes is never a "useless" conversion.

2005-02-28  Geert Bosch  <bosch@gnat.com>

        PR ada/15977
        * doc/contrib.texi: List contributors for Ada front end

2005-02-28 Paolo Bonzini <bonzini@gnu.org>

        * simplify-rtx.c (simplify_unary_operation_1,
        simplify_const_unary_operation): New, extracted from...
        (simplify_unary_operation): ... this one.
        (simplify_binary_operation_1,
        simplify_const_binary_operation): New, extracted from...
        (simplify_binary_operation): ... this one.
        * rtl.h (simplify_const_unary_operation,
        simplify_const_binary_operation): Add prototypes.

2005-02-28  Julian Brown  <julian@codesourcery.com>

        * config/elfos.h: Revert my patch from 2005-02-25 since it broke
        building libjava and caused PR regression/20228.

2005-02-28  Paolo Bonzini  <bonzini@gnu.org>

        PR bootstrap/17383
        * Makefile.in (host_subdir): New.
        (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
        * configure: Regenerate.

2005-02-27  Zack Weinberg  <zack@codesourcery.com>

        * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
        * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
        installation directory first.

2005-02-28  Hans-Peter Nilsson  <hp@axis.com>

        PR target/19065.
        * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
        not including (reg). Do not check for reg being CRIS_PC_REGNUM.
        (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
        * config/cris/cris.md: Tweak comments referring to Q.
        ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
        ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
        ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
        ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
        ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
        Insert spaces in constraints to align alternatives vertically for
        readability.
        ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
        operand 1: "M".

2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR rtl-optimization/17728
        * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
        operand 0 from general_operand to move_dest_operand.

2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
        instead of trying to save and restore TREE_SYMBOL_REFERENCED.
        * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
        (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.

2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>

        * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
        * configure: Regenerate.
        * libada-mk.in: Remove CC; rename
        cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.

2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/20188
        * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
        for the lhs, also walk over the tree.  Likewise for rhs.

2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-ssa-dom.c (simple_iv_increment_p): New function.
        (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
        Do not propagate value of iv before increment over the increment.

2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>

        * c-parser.c: New file.
        * c-parse.in: Remove.
        * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
        Remove.
        (c-parser.o): Add dependencies.
        (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
        maintainer-clean, TAGS): Update.
        * c-config-lang.in (gtfiles): Update.
        * gengtype-lex.l: Don't handle "@@".
        * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
        objc_build_synchronized, objc_begin_try_stmt,
        objc_begin_catch_clause, objc_finish_catch_clause,
        objc_build_finally_clause, objc_finish_try_stmt): New.
        * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
        type_seen_p.
        (c_parse_init): Update comment.
        * c-decl.c (c_init_decl_processing): Update comment.
        (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
        declspecs_add_scspec, declspecs_add_attrs): Initialize and update
        new c_declspecs members.

2005-02-25  Julian Brown  <julian@codesourcery.com>

        * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
        from being used for symbols with vague linkage when
        HAVE_GAS_COMDAT_GROUP is true.

2005-02-25  Mark Mitchell  <mark@codesourcery.com>

        * doc/include/gcc-common.texi (version-GCC): Update to 4.1.

2005-02-25  Steve Ellcey  <sje@cup.hp.com>

        PR target/19930
        * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
        (LIBGCC2_HAS_DF_MODE): New.
        (LIBGCC2_HAS_XF_MODE): New.
        (LIBGCC2_HAS_TF_MODE): New.
        * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
        (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
        * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
        (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
        (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
        * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
        and add _fixtfdi, _fixunstfdi, _floatditf
        * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
        L_fixunstfdi, L_floatditf.
        * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
        (LIBGCC2_HAS_TF_MODE): Define.

2005-02-25  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/20204
        * tree-into-ssa.c (insert_phi_nodes_for): Do not use
        REWRITE_THIS_STMT markers on PHI nodes.
        (rewrite_initialize_block): Likewise.

2005-02-25  Mark Mitchell  <mark@codesourcery.com>

        * version.c (version_string): Update to 4.1.

2005-02-25  Paolo Carlini  <pcarlini@suse.de>

        * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
        Clarify that the alternative way doesn't work in GNU C++.

2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/19937
        * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
        to the type of the induction variable.

2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR rtl-optimization/20117
        * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
        the block including noncopyable insn.

2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>

        * cse.c (delete_trivially_dead_insns): Speed up by minimizing
        calls to find_reg_note.

2005-02-24  Richard Henderson  <rth@redhat.com>

        PR tree-opt/20127
        * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
        the type.

2005-02-24  Fariborz Jahanian <fjahanian@apple.com>

        * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
        vector types if to use base reg for misaligned non-word ld/std.

2005-02-24  Hans-Peter Nilsson  <hp@axis.com>

        PR target/14619
        * config/cris/cris.c (cris_target_asm_function_prologue): Create
        dwarf2 label manually and put it after, not before the prologue.

2005-02-24  David Edelsohn  <edelsohn@gnu.org>

        PR target/19019
        * reload.c (operands_match_p): Only increment register number for
        SCALAR_INT_MODE_P modes in multiple hard registers.

        * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
        Fix formatting.

2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * ChangeLog.5: Fix log message typo(s).
        * ChangeLog.7: Likewise.
        * ChangeLog.tree-ssa: Likewise.
        * cfgexpand.c: Fix comment typo(s).
        * conflict.c: Likewise.
        * defaults.h: Likewise.
        * dwarf2out.c: Likewise.
        * gcse.c: Likewise.
        * ggc-page.c: Likewise.
        * tree-eh.c: Likewise.
        * tree-ssa-dom.c: Likewise.

2005-02-24  Jakub Jelinek  <jakub@redhat.com>

        PR target/19019
        * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
        * config/rs6000/darwin-ldouble.c: Only use the .symver directives
        if SHARED is defined.

        PR target/20196
        * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
        allow splitting only if operands 0 and 3 don't overlap.

2005-02-24  Richard Henderson  <rth@redhat.com>

        PR middle-end/19953
        * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
        (fold_builtin_1): Call them.
        * fold-const.c (fold_complex_mult_parts): Split out from ...
        (fold_complex_mult): ... here.  Fix typo in both imaginary case.
        (fold_complex_div_parts, fold_complex_div): New.
        (fold): Use them.
        * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.

2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * tree-ssa-ccp.c (visit_assignment): Verify that result of
        VIEW_CONVERT_EXPR is_gimple_min_invariant.

        * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
        (print_node): Likewise.
        Print TYPE_SIZES_GIMPLIFIED.

2005-02-24  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
        ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
        operands as commutative in constraints.

2005-02-24  Diego Novillo  <dnovillo@redhat.com>

        * tree-into-ssa.c: Re-organize internal functions.

2005-02-24  Richard Henderson  <rth@redhat.com>

        PR middle-end/18902
        * c-opts.c (c_common_post_options): Set flag_complex_method to 2
        for c99.
        * common.opt (fcx-limited-range): New.
        * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
        * toplev.c (flag_complex_method): Initialize to 1.
        (process_options): Set flag_complex_method to 0 if
        flag_cx_limited_range.
        * doc/invoke.texi (-fcx-limited-range): New.

2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>

        * cse.c (delete_trivially_dead_insns): Speed up by using
        NEXT_INSN and PREV_INSN directly instead of next_real_insn and
        prev_real_insn.

2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>

        * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
        functions when -mid-shared-library is being used.

2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>

        * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
        (LINK_LIBGCC_SPECIAL_1): Don't mention it.
        * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
        * system.h: Poison LINK_LIBGCC_SPECIAL.

2005-02-23  James E Wilson  <wilson@specifixinc.com>

        * gengtype.c (note_insn_name): Make 1 element larger.

2005-02-23  Roger Sayle  <roger@eyesopen.com>

        PR target/20018
        PR rtl-optimization/20097
        * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
        BImode SUBREGs of SImode registers which confuse the ia64 backend.

2005-02-23  David Edelsohn  <edelsohn@gnu.org>

        * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
        * t-aix52 (SHLIB_INSTALL): Same.

2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>

        * genpreds.c: Update copyright.

2005-02-23  Michael Beach  <michaelb@ieee.org>

        PR target/20159
        * config/sparc/t-elf (startup files): Assemble with CPP.

2005-02-23  Paolo Bonzini  <bonzini@gnu.org>

        * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
        (write_predicate_expr): Likewise.

2005-02-22  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/20100
        PR tree-optimization/20115
        * tree-optimize.c (init_tree_optimization_passes): Remove
        pass_maybe_create_global_var.
        * tree-pass.h (pass_maybe_create_global_var): Remove.
        * tree-ssa-alias.c (aliases_computed_p): Declare.
        (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
        (count_calls_and_maybe_create_global_var): Remove.
        (pass_maybe_create_global_var): Remove.
        (init_alias_info): Do not declare aliases_computed_p.
        (maybe_create_global_var): If the function contains no
        call-clobbered variables and a mix of pure/const and regular
        function calls, create .GLOBAL_VAR.
        Mark all call-clobbered variables for renaming.
        (merge_pointed_to_info): Update comment.
        (add_pointed_to_var): Likewise.
        (is_escape_site): Likewise.
        Accept struct alias_info * instead of size_t *.
        Update all users.
        Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
        as necessary.
        * tree-ssa-operands.c (get_call_expr_operands): If
        ALIASES_COMPUTED_P is false, do not add call-clobbering
        operands.
        * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
        (delete_tree_ssa): Likewise.

2005-02-22  James E Wilson  <wilson@specifixinc.com>

        * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
        (do_compile): Do call it here.

2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>

        PR rtl-optimization/20017.
        * passes.c (rest_of_handle_combine, rest_of_handle_cse,
        rest_of_handle_cse2, rest_of_handle_gcse): Call
        delete_dead_jumptables immediately before calling cleanup_cfg.

2005-02-22  Devang Patel  <dpatel@apple.com>

        PR 19952
        * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
        all labels

2005-02-22  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/aix.h (WINT_TYPE): Define.

2005-02-22  Stan Shebs  <shebs@apple.com>

        * config/rs6000/rs6000.c (rs6000_override_options): Default to
        natural alignment for 64-bit Darwin.
        (rs6000_parse_alignment_option): Warn about uses of -malign-power
        on 64-bit Darwin.
        * doc/invoke.texi: Document this.

2005-02-22  DJ Delorie  <dj@redhat.com>

        * c-common.c (c_common_type_for_mode): Pass the mode's precision
        to make_[un]signed_type, not the mode itself.

2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>

        * cfg.c (cached_make_edge): Call make_edge if edge cache is
        not available.  Use tail calls wherever possible.
        (make_edge): Call unchecked_make_edge to create an edge.

        * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
        (coalesce_ssa_name): Don't check for
        SSANORM_USE_COALESCE_LIST.
        (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.

2005-02-22  Diego Novillo  <dnovillo@redhat.com>

        * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
        (rewrite_into_ssa): ... here.

2005-02-21  Alexandre Oliva  <aoliva@redhat.com>

        PR tree-optimization/19786
        * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
        tag to another's may-alias bitmap when adding to the other's list.

2005-02-21  DJ Delorie  <dj@redhat.com>

        * tree-ssa-loop-ivopts.c (computation_cost): Start register
        numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
        registers in unsupported ways.
        * expmed.c (init_expmed): Likewise.

2005-02-21  Stan Cox  <scox@redhat.com>

        * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.

2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (fold_cond_expr_cond): New.
        (make_edges): Call fold_cond_expr_cond.
        (find_taken_edge): Accept nothing but INTEGER_CST.
        (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
        and 1.
        (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.

        * flow.c (delete_dead_jumptables): Speed up by scanning insns
        that do not belong to any basic block.

2005-02-21  Jeff Law  <law@redhat.com>

        * cfganal.c (find_unreachable_blocks): Manually CSE load of
        e->dest.

2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
        (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
        Adjust their definitions.
        (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
        (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.

        * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
        genautomata.c, langhooks.c, langhooks.h, system.h,
        config/arm/lib1funcs.asm: Update copyright.

2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>

        * dbxout.c (dbxout_function_end): Emit Lscope label always.

2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>

        PR bootstrap/13770
        * doc/install.texi: Document --with-gc.

2005-02-21  Paolo Bonzini  <bonzini@gnu.org>

        * simplify-rtx.c (simplify_unary_operation): Add a missing
        "break" statement.

2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR tree-optimization/18663
        * tree-ssa-dom.c (extract_range_from_cond): Return 0
        if the type has variable bounds.

2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>

        * gcse.c: Remove an obsolete comment.

        * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.

2005-02-20  Hans-Peter Nilsson  <hp@axis.com>

        * doc/extend.texi (Function Attributes) <Attribute const>: The
        attribute "pure" is below this text, not above.

2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
        (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
        * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.

2005-02-20  Zack Weinberg  <zack@codesourcery.com>

        PR 18785
        * langhooks.h (struct lang_hooks): Add to_target_charset.
        * langhooks.c (lhd_to_target_charset): New function.
        * langhooks-def.h: Declare lhd_to_target_charset.
        (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
        (LANG_HOOKS_INITIALIZER): Update.
        * c-common.c (c_common_to_target_charset): New function.
        * c-common.h: Declare it.
        * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
        c_common_to_target_charset.

        * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
        (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
        Delete definitions.
        * system.h: Poison them.
        * doc/tm.texi: Don't discuss them.
        * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
        * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
        (pp_c_char): Do not attempt to generate letter escapes for
        newline, tab, etc.
        * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
        * config/mips/mips.c (mips_output_ascii): Likewise.

2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>

        PR tree-optimization/19951
        * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
        is abnormal.

2005-02-19  Steven Bosscher  <stevenb@suse.de>

        PR middle-end/19698
        * function.h (struct function): New field `max_loop_depth'.
        * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
        (flow_loops_find): Reset the max loop depth count before finding loops.
        * flow.c (MAX_LIVENESS_ROUNDS): New constant.
        (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
        (calculate_global_regs_live): Make sure the loop will terminate
        when the initial sets are not empty.

2005-02-19  Zack Weinberg  <zack@codesourcery.com>

        * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
        object inside.
        * config/ia64/hpux.h: Don't define LIBGCC_SPEC.

2005-02-19  Richard Sandiford  <rsandifo@redhat.com>

        PR other/19525
        * doc/invoke.texi: Remove documentation of %M spec.
        * gcc.c: Likewise.
        (init_spec): Remove %M suffix from -lgcc_s.
        (do_spec_1): Remove 'M' case.
        * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
        to put shared libraries in the multilib directory.  Remove the
        shlib_so_soname substitution variable.  Don't add a multilib encoding
        to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
        reported by -print-multi-os-directory.  Pass @multilib_dir@ to
        SHLIB_INSTALL as well as SHLIB_LINK.
        * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
        (SHLIB_NAME): Delete.
        (SHLIB_DIR): New macro.
        (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
        (SHLIB_INSTALL): Adjust accordingly.
        * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
        * config/t-slibgcc-sld: Likewise.
        * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
        (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
        (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
        in $(SHLIB_DIR).
        (SHLIBUNWIND_INSTALL): Adjust accordingly.
        * config/i386/t-nwld (SHLIB_SONAME): Delete.
        (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
        Use @shlib_base_name@ instead of @shlib_so_name@.
        * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
        and @shlib_base_name@.so in @multilib_dir@.
        (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
        to the install path.
        * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
        (SHLIB_LINK): Remove previous workaround.
        * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
        (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
        (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
        the install path.
        * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
        @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
        (SHLIB_INSTALL): Adjust accordingly.
        (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
        * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
        * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
        config/t-slibgcc-elf-ver.

2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
            Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/19828
        * tree-ssa-loop-im.c: Add a TODO comment.
        (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
        without side-effects.

2005-02-18  James A. Morrison  <phython@gcc.gnu.org>

        * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
        call fold_convert.

2005-02-18  James E. Wilson  <wilson@specifixinc.com>

        * doc/invoke.texi (IA-64 Options): Delete -mb-step.
        * config/ia64/ia64.c (last_group, group_idx): Delete variables.
        (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
        functions.
        (ia64_reorg): Delete fixup_errata call.
        * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
        (TARGET_SWITCHES): Delete -mb-step entry.

2005-02-19  Jakub Jelinek  <jakub@redhat.com>

        PR c/20043
        * c-typeck.c (composite_type): Handle quals in transparent unions.
        (type_lists_compatible_p): Likewise.

2005-02-18  Stan Shebs  <shebs@apple.com>

        * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
        expressions in the .literal8 section.

2005-02-18  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.

2005-02-18  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (constant_boolean_node): Always create values of the
        specified type, don't bother calling truthvalue_conversion.

2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>

        * except.c (output_function_exception_table): Call
        assemble_external_libcall (eh_personality_libfunc).

2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>

        PR target/19886
        * config/ia64/ia64.h (struct machine_function): Add state_num.
        * config/ia64/ia64.c (process_epilogue,
        process_for_unwind_directive): Use new unwind state numbers each
        time rather than state 1.

2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>

        PR target/20054
        * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
        before the "*llgt_didi" pattern.

2005-02-18  Jason Merrill  <jason@redhat.com>

        * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.

2005-02-18  Richard Earnshaw  <rearnsha@arm.com>

        * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
        (div0): Use it in place of ARM_FUNC_ALIAS.
        (lshrdi3, ashrdi3, ashlrdi3): Likewise.

2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/20030
        * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
        access, the lower bound of the array type if it exists.

2005-02-18  Alexandre Oliva  <aoliva@redhat.com>

        PR c++/20008
        * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
        cases that are out-of-range for the index type.

2005-02-18  James A. Morrison  <phython@gcc.gnu.org>

        * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
        (estimate_case_costs): Don't call convert.
        * expmed.c (expand_shift): Likewise.
        (make_tree): Call fold_convert instead of convert.

2005-02-18  Jakub Jelinek  <jakub@redhat.com>

        PR c++/19813
        * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
        that ref to be marked MEM_READONLY_P doesn't have base that needs
        constructing.

2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>

        * genautomata.c (output_get_cpu_unit_code_func,
        output_cpu_unit_reservation_p): Don't generate old-style function
        definitions.

2005-02-18  Jakub Jelinek  <jakub@redhat.com>

        PR c++/20023
        PR tree-optimization/20009
        * convert.c (convert_to_integer): Revert 2005-02-16 change.

        PR tree-optimization/18947
        * cgraphunit.c (cgraph_finalize_function): When redefining an extern
        inline, remove all nodes that are inlined into the extern inline
        being redefined.

2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>

        * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
        loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
        tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
        config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
        Update copyright.

2005-02-17  Roger Sayle  <roger@eyesopen.com>

        PR tree-optimization/19917
        * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
        to be potentially trapping.

2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>

        * libgcc2.c, tree-vect-analyze.c: Fix comment typos.

2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>

        * builtins.c (expand_builtin_return_addr): Remove tem parameter.
        tem becomes a local variable which is set to the value of the
        back end defined INITIAL_FRAME_ADDRESS macro.
        (expand_builtin_frame_address): Omit the base parameter to
        expand_builtin_return_addr.
        (expand_builtin_profile_func): Likewise.
        * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
        (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
        * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.

2005-02-17  Jakub Jelinek  <jakub@redhat.com>

        * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
        s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
        * config/frv/frv.c (frv_function_epilogue): Likewise.

2005-02-17  Daniel Berlin  <dberlin@dberlin.org>

        * lambda-code (perfect_nestify): Remove mark/unmark
        for rewriting hack.
        * tree-loop-linear.c (linear_transform_loops): Add
        rewrite_into_ssa call so that ssa is correct for
        rewriting into loop closed.

2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>

        * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
        * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
        BITMAP_FREE.
        * bt-load.c (btr_def_live_range, combine_btr_defs,
        migrate_btr_def, migrate_btr_defs): Likewise.
        * cfgcleanup.c (thread_jump): Likewise.
        * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
        * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
        df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
        df_rd_local_compute, df_reg_info_compute): Likewise.
        * dominance.c (init_dom_info, free_dom_info): Likewise.
        * flow.c (init_propagate_block_info,
        free_propagate_block_info): Likewise.
        * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
        * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
        modify_reg_pav): Likewise.
        * loop-invariant.c (find_defs, find_invariant_insn,
        find_invariants, free_inv_motion_data): Likewise.
        * predict.c (tree_predict_by_opcode,
        estimate_bb_frequencies): Likewise.
        * stmt.c (expand_case): Likewise.
        * tree-cfg.c (tree_duplicate_sese_region): Likewise.
        * tree-dfa.c (mark_new_vars_to_rename): Likewise.
        * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
        * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
        get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
        rewrite_ssa_into_ssa): Likewise.
        * tree-optimize.c (tree_rest_of_compilation): Likewise.
        * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
        analyze_edges_for_bb, perform_edge_inserts): Likewise.
        * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
        * tree-sra.c (tree_sra): Likewise.
        * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
        * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
        * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
        * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
        * tree-ssa-dse.c (tree_ssa_dse): Likewise.
        * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
        Likewise.
        * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
        calculate_live_on_entry, calculate_live_on_exit,
        build_tree_conflict_graph): Likewise.
        * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
        record_important_candidates, set_use_iv_cost, find_depends,
        determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
        tree_ssa_iv_optimize_finalize): Likewise.
        * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
        find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
        tree_duplicate_loop_to_header_edge): Likewise.
        * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
        * tree-ssa.c (verify_flow_insensitive_alias_info,
        verify_name_tags, verify_ssa, init_tree_ssa,
        delete_tree_ssa): Likewise.
        * tree-ssanames.c (marked_ssa_names, init_ssanames,
        fini_ssanames): Likewise.
        * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.

2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>

        * config/rs6000/t-rtems: Completely reworked.

2005-02-17  Ira Rosen  <irar@il.ibm.com>

        * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.

2005-02-17  Ira Rosen  <irar@il.ibm.com>

        * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
        POINTER_TYPE_P when checking that type is a pointer.
        (vect_get_memtag): Remove.
        (vect_address_analysis): Use POINTER_TYPE_P. Call
        vect_object_analysis with dummy parameter for memtag.
        (vect_object_analysis): Extract memtag (functionality that
        used to be in vect_get_memtag and moved here). Fix printings.
        (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
        with correct parameters. Remove call to vect_get_memtag.

2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>

        * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
        (tree-vectorizer.o): Added missing dependencies.

        * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
        decleration.
        (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
        declaration in tree-vectorizer.c, now has an extern declaration in
        tree-vectorizer.h).
        (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
        slpeel_verify_cfg_after_peeling, vect_strip_conversion,
        get_vectype_for_scalar_type, vect_is_simple_use,
        vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
        vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
        new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
        vectorizable_store, vectorizable_operation, vectorizable_assignment,
        vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
        find_loop_location): Likewise.

        * tree-vectorizer.c (langhooks.h): #include removed.
        (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
        moved to tree-vectorized.h.
        (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
        slpeel_verify_cfg_after_peeling, vect_strip_conversion,
        get_vectype_for_scalar_type, vect_is_simple_use,
        vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
        vect_supportable_dr_alignment, new_loop_vec_info,
        destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
        vect_set_verbosity_level, find_loop_location): Likewise.

        (vect_analyze_loop): Function externalized. Declaration moved to
        tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
        (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
        (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
        vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
        vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
        vect_enhance_data_refs_alignment, vect_analyze_operations,
        exist_non_indexing_operands_for_use_p, vect_mark_relevant,
        vect_stmt_relevant_p, vect_get_loop_niters,
        vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
        vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
        vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
        vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
        vect_get_memtag): Likewise.

        (vectorizable_load): Function externalized. Declaration moved to
        tree-vectorized.h. Function definition moved to tree-vect-transform.c.
        (vectorizable_store, vectorizable_operation, vectorizable_assignment,
        vect_transform_loop): Likewise.
        (vect_transform_stmt): Moved to tree-vect-transform.c.
        (vect_align_data_ref, vect_create_destination_var,
        vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
        vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
        vect_get_vec_def_for_operand, vect_init_vector,
        vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
        vect_build_loop_niters, vect_update_ivs_after_vectorizer,
        vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
        vect_update_inits_of_drs, vect_do_peeling_for_alignment,
        vect_do_peeling_for_loop_bound): Likewise.

        * tree-vect-analyze.c: New file.
        * tree-vect-transform.c: New file.

2005-02-17  Jason Merrill  <jason@redhat.com>

        PR mudflap/19319, c++/19317
        * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
        slot explicit.

2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (Specific): Update link for Darwin-specific
        tool binary site.

2005-02-16  James A. Morrison  <phython@gcc.gnu.org>

        * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
        constant_boolean_node.

2005-02-16  David Edelsohn  <edelsohn@gnu.org>

        PR target/19019
        * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
        * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.

2005-02-16  Richard Henderson  <rth@redhat.com>

        PR 19920
        * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
        with W_TYPE_SIZE.
        (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
        replace uses with Wtype_MAXp1_F.
        (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
        L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
        L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
        L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
        and HAVE_TFMODE as appropriate.
        (__fixunssfDI): Provide an implementation that doesn't need DFmode.
        (__floatdisf): Likewise.
        * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
        (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
        (Wtype_MAXp1_F): New.
        (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
        __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.

2005-02-16  Richard Earnshaw  <rearnsha@arm.com>

        * PR target/19162
        * arm.c (arm_apply_result_size): New function.
        * arm.h (APPLY_RESULT_SIZE): Define.
        * arm-protos.h (arm_apply_result_size): Add prototype.
        * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
        (movxf): New expand.
        (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
        (call_value_symbol): Remove predicate for operand 0.
        (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
        (untyped_call): Rework to correclty return values for any type.
        (untyped_return): New expand.
        * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.

2005-02-16  Stan Shebs  <shebs@apple.com>

        * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
        * config/rs6000/t-darwin8: New, for 64-bit multilib.

2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/install.texi (sparc-sun-solaris2*): Document required GMP
        configure settings on Solaris 7 and later.

2005-02-16  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/19865
        * tree-optimize.c (init_tree_optimization_passes): Run
        pass_may_alias after pass_sra.

2005-02-16  Richard Henderson  <rth@redhat.com>
            Stuart Hastings  <stuart@apple.com>

        PR debug/19521
        * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
        Do nothing if debug info suppressed for this function.
        (dbxout_begin_function): Early exit if debug info suppressed for
        this function.

2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>

        PR target/20007
        * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
        find_basic_blocks.
        * config/sh/sh.c (sh_output_mi_thunk): Likewise.

        PR tree-optimization/19967
        * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
        expand_builtin_strchr, expand_builtin_strrchr): Take a new
        argument TYPE.  Adjust calls to fold_builtin_XXX.
        (expand_builtin, fold_builtin_1): Adjust calls to
        expand_builtin_XXX.
        (fold_builtin_strchr, fold_builtin_strpbrk,
        fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
        result to a requested type TYPE.

2005-02-16  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/19857
        * fold-const.c (fold): Don't optimize (T)(x & cst) to
        (T)x & (T)cst if (T)cst overflows.
        * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
        TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.

2005-02-15  Jeff Law  <law@redhat.com>

        * gcse.c (blocks_with_calls): New bitmap.
        (alloc_gcse_mem): Allocate it.
        (free_gcse_mem): Free it.
        (clear_modifY_mem_tables): Clear it.
        (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
        when we encounter CALL_INSNs.
        (compute_transp, case MEM): Handle blocks with calls separate
        from blocks without calls.  Use bitmap iterators rather than
        FOR_EACH_BB.

2005-02-15  Peter O'Gorman  <peter@pogma.com>

        PR bootstrap/18810
        * mklibgcc.in (vis_hide): Use a temporary object file, not
        -o /dev/null.

2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>

        PR target/19924
        * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
        access optimization.

2005-02-15  David Edelsohn  <edelsohn@gnu.org>
            Alan Modra  <amodra@bigpond.net.au>

        PR target/19019
        * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
        (_xlqsub): Rename to __gcc_qsub.
        (_xlqmul): Rename to __gcc_qmul.
        (_xlqdiv): Rename to __gcc_qdiv.
        Provide versioned symbol aliases with old names.
        * config/rs6000/libgcc-ppc64.ver: Rename symbols.
        * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
        * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
        * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
        * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.

2005-02-15  James A. Morrison  <phython@gcc.gnu.org>

        * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
        Fold ~(A - 1) and ~(A + -1) to -A.

2005-02-15  James A. Morrison  <phython@gcc.gnu.org>

        PR pch/14940
        PR target/19300
        * config/host-linux.c (linux_gt_pch_use_address): Copy from
        config/pa/pa-host.c:pa_gt_pch_use_address.

2005-02-15  Daniel Berlin  <dberlin@dberlin.org>

        * tree-vn.c (get_value_handle): Make sure that given an
        is_gimple_min_invariant expression, we always return it.

2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>

        * passes.c (rest_of_handle_gcse): Fix a comment.

2005-02-15  Jeff Law  <law@redhat.com>

        * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
        bitmap.
        (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
        (canon_list_insert, record_last_mem_set_info): Similarly.
        (clear_modify_mem_tables): Similarly.

2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>

        * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
        tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
        config/mips/mips.md, config/rs6000/aix.h,
        config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.

2005-02-15  Richard Henderson  <rth@redhat.com>

        * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
        call to be best_edge.

2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>

        * basic-block.h: Adjust the prototype for find_basic_blocks.
        * cfgbuild.c (find_basic_blocks): Remove unused arguments.
        * passes.c (rest_of_handle_loop_optimize): Adjust the call to
        find_basic_blocks.

        * flow.c (recompute_reg_usage): Remove all arguments.
        * passes.c (rest_of_compilation): Adjust the call to
        recompute_reg_usage.
        * rtl.h: Adjust the prototype for recompute_reg_usage.

2005-02-14  Daniel Berlin  <dberlin@dberlin.org>

        * tree-dump.c (dump_files): Update to reflect new member
        of dump_file_info.
        (dump_register): Add new argument.
        Set glob name.
        (dump_switch_p_1): Check against glob name if doglob was passed.
        (dump_switch_p): Check against regular first, then glob if
        we didn't have any hits on the dump name.
        * tree-optimize.c (register_one_dump_file):
        Pass in glob name as well.
        * tree-pass.h (struct dump_file_info): Add glob
        member.

2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>

        PR preprocessor/16323
        * doc/invoke.texi: Document that -Wendif-labels is on by default.

2005-02-14  David Edelsohn  <edelsohn@gnu.org>

        PR target/19019
        * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
        (trunctfdf2_internal1): New.
        (trunctfdf2_internal2): Renamed from trunctfdf2.

2005-02-14  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/19853
        * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.

2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>

        * passes.c (rest_of_handle_loop_optimize): Remove calls to
        delete_dead_jumptables and cleanup_cfg.

2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>

        * reload.c (find_reloads): Swap address_reloaded flags when
        swapping commutative operands.

2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>

        * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
        Use standard_iv_increment_position for computing the bsi position
        for create_iv.
        * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
        the bsi position.

2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>

        PR target/17428
        * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
        life range of hard registers.
        * value-prof.c (insn_prefetch_values_to_profile): Only
        scan normal insns.

        * value-prof.c (rtl_find_values_to_profile): Do not look for values to
        profile in libcalls.

2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>

        * bitmap.h (bitmap_and_compl_into): Return bool.
        * bitmap.c (bitmap_and_compl_into): Return changed flag.

2005-02-13  James A. Morrison  <phython@gcc.gnu.org>

        PR tree-optimization/19944
        * fold-const.c (fold): Re-add ABS_EXPR folding.

2005-02-13  David Edelsohn  <edelsohn@gnu.org>

        PR target/19019
        * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
        {TARGET,MASK}_XL_COMPAT.
        (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
        MASK_XL_COMPAT.
        * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
        * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
        TARGET_XL_COMPAT.
        (rs6000_arg_partial_bytes): Same.
        (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
        and XL compatibility enabled.
        * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
        * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
        test to final condition.
        (cmptf_internal2): New.
        * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
        xl-compat.  Add TFmode information to description.

2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>

        * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.

2005-02-13  Jason Merrill  <jason@redhat.com>

        PR c++/16405
        * fold-const.c (fold_indirect_ref_1): Split out from...
        (build_fold_indirect_ref): Here.
        (fold_indirect_ref): New fn.
        * tree.h: Declare it.
        * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
        (gimplify_modify_expr_rhs): Likewise.
        (gimplify_expr): Likewise.

2005-02-13  James A. Morrison  <phython@gcc.gnu.org>

        PR tree-optimization/14303
        PR tree-optimization/15784
        * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
        Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
        ABS_EXPR<x> != 0 to x != 0.

2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>

        * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
        simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
        spelling conventions.

        * passes.c (rest_of_handle_gcse): Don't run cse_main and
        delete_trivially_dead_insns too many times.

        * passes.c (rest_of_handle_gcse): Remove dead assignments to
        tem and tem2.

2005-02-12  Ira Rosen  <irar@il.ibm.com>

        * tree-vectorizer.c (vect_get_base_and_offset): Remove.
        (vect_is_simple_iv_evolution): Remove redundant parameter
        and step check.
        (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
        without last parameter.
        (vect_analyze_pointer_ref_access): Get access_fn as parameter.
        Return pointer step. Call vect_is_simple_iv_evolution without
        last parameter. Check only that the step is multiple of size
        type. Remove stmt_vinfo updates.
        (vect_get_memtag_and_dr): Remove.
        (vect_get_memtag): New function.
        (vect_address_analysis): New function.
        (vect_object_analysis): New function.
        (vect_analyze_data_refs): Call vect_object_analysis and
        vect_get_memtag. Update stmt_vinfo fields.

2005-02-12  Ira Rosen  <irar@il.ibm.com>

        * tree-data-ref.c (array_base_name_differ_p): Check that the bases
        exist and are objects. Remove checks for pointer.
        * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
        STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
        (vect_create_data_ref_ptr): Likewise.
        (vect_base_addr_differ_p): New function.
        (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
        (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
        Don't set the DR_BASE_NAME field of data-ref.
        (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.

2005-02-12  Uros Bizjak  <uros@kss-loka.si>

        * optabs.h (enum optab_index): Add new OTI_ldexp.
        (ldexp_optab): Define corresponding macro.
        * optabs.c (init_optabs): Initialize ldexp_optab.
        * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
        patterns.
        * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
        using ldexp_optab.
        (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
        expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.

        * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
        to implement ldexpf, ldexp and ldexpl built-ins as inline x87
        intrinsics.

2005-02-12  Ira Rosen  <irar@il.ibm.com>

        * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
        to base_address.
        * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
        stmt_vec_info.
        (vect_get_base_and_offset): Always return an address.
        (vect_create_addr_base_for_vector_ref): Remove treatment for
        different data reference types.
        (vect_compute_data_ref_alignment): Rename base to base_address in
        stmt_vec_info. Get the object in order to force its alignment.
        (vect_get_memtag_and_dr): Rename base to base_address in
        stmt_vec_info. Extract the object for memtag analysis.

2005-02-12  Hans-Peter Nilsson  <hp@axis.com>

        PR regression/19898.
        * config/cris/cris.c (cris_notice_update_cc): When testing if insn
        changes cc_status, use apply modified_in_p to part of cc_status
        and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
        body.

2005-02-11  Richard Henderson  <rth@redhat.com>

        * tree-complex.c (expand_complex_libcall): New.
        (expand_complex_multiplication): Use it for c99 compliance.
        (expand_complex_division): Likewise.
        * fold-const.c (fold_complex_add, fold_complex_mult): New.
        (fold): Call them.
        * builtins.c (built_in_names): Remove const.
        * tree.c (build_common_builtin_nodes): Build complex arithmetic
        builtins.
        * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
        (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
        (built_in_names): Remove const.
        * c-common.c (c_common_type_for_mode): Handle complex modes.
        * flags.h, toplev.c (flag_complex_method): Rename from
        flag_complex_divide_method.
        * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
        __mulsc3, __muldc3, __mulxc3, __multc3): New.
        * libgcc2.h: Declare them.
        * libgcc-std.ver: Export them.
        * mklibgcc.in (lib2funcs): Build them.

2005-02-11  Steven Bosscher  <stevenb@suse.de>

        PR tree-optimization/19876
        Partially revert my change from 2005-01-14
        * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
        (compute_antic): ...and remove the loop here.

2005-02-11  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/19858
        * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
        is number of inner's bits, avoid creating a BIT_FIELD_REF.

        * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
        crtend.o if -pie.  Use %{x:a;:b} spec syntax.

2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
        offsets for the big-endian 32-bit case.

2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>

        * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.

2005-02-11  Dale Johannesen  <dalej@apple.com>

        * cselib.c (cselib_process_insn):  Clear out regs where
        HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
        * reload.c (find_equiv_reg): Ditto.

2005-02-11  Ian Lance Taylor  <ian@airs.com>

        * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
        with no elements.

        * tree.c (build_function_type_list): Work correctly if there are
        no arguments.

2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
        "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
        ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
        TARGET_ZARCH instead of TARGET_64BIT.

2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>

        * config/rs6000/t-rtems:
        (MULTILIB_OPTIONS): Remove mcpu=602.
        (MUTLILIB_DIRNAMES): Remove m602.
        (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
        Let mcpu=602 match mcpu=603.
        (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.

2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
        signal trampolines.

2005-02-10  David Daney  <ddaney@avtrex.com>

        * config/alpha/linux-unwind.h: Add exception clause to copyright.
        * config/i386/linux-unwind.h: Likewise.
        * config/ia64/linux-unwind.h: Likewise.
        * config/mips/linux-unwind.h: Likewise.
        * config/pa/linux-unwind.h: Likewise.
        * config/rs6000/linux-unwind.h: Likewise.
        * config/s390/linux-unwind.h: Likewise.
        * config/sh/linux-unwind.h: Likewise.
        * config/sparc/linux-unwind.h: Likewise.

2005-02-10  Steven Bosscher  <stevenb@suse.de>

        PR tree-optimization/17549
        * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
        TER to replace a DEF with its expression if the DEF and the
        rhs of the expression we replace into have the same root
        variable.

2005-02-10  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md: Fix the placement of the match_scratch in the
        lea64 peephole2.

2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>

        * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
        Fix comment typos.

2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
        (strip_offset): Handle addresses.
        (add_address_candidates): Use strip_offset.
        (difference_cost): Reflect strip_offset change.
        (force_var_cost, difference_cost): Strip nops.

2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>

        * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.

        * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
        tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
        config/cris/cris-protos.h, config/cris/cris.c: Update
        copyright.

2005-02-10  Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
        (lookup_avail_expr): Similarly.

2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>

        * builtins.c (fold_builtin_powi): New function.
        (fold_builtin_1): Call it.

2005-02-10  Steven Bosscher  <stevenb@suse.de>

        PR documentation/19309
        * doc/cpp.texi: The __GNUC__ and related predefined macros
        are also defined for the "standalone" cpp.
        Some non-GCC compilers may also define __GNUC__.

2005-02-10  Jakub Jelinek  <jakub@redhat.com>

        PR c/19342
        * c-typeck.c (common_type): New routine.  Old common_type renamed
        to...
        (c_common_type): ...this.
        (build_conditional_expr, build_binary_op): Use c_common_type instead
        of common_type.

2005-02-10  Steven Bosscher  <stevenb@suse.de>

        * doc/md.texi: Replace @samp{length} with @code{length}.

2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/18687
        * tree-flow.h (find_loop_niter): Declare.
        * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
        Try using scev even for loops with more than one exit.
        * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
        (struct ivopts_data): Added niters field.
        (struct nfe_cache_elt): New.
        (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
        functions.
        (tree_ssa_iv_optimize_init): Initialize niters cache.
        (determine_number_of_iterations): Removed.
        (find_induction_variables): Do not call determine_number_of_iterations.
        Access niters for single exit through niter_for_single_dom_exit.
        (add_iv_outer_candidates): Access niters for single exit through
        niter_for_single_dom_exit.
        (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
        number_of_iterations_cond.
        (iv_period): New function.
        (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
        (may_replace_final_value): Take data argument.  Use
        niter_for_single_dom_exit.
        (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
        (rewrite_use_compare): Pass data to may_eliminate_iv.
        (rewrite_use_outer): Pass data to may_replace_final_value.
        (free_loop_data): Clean up the niters cache.
        (tree_ssa_iv_optimize_finalize): Free the niters cache.
        (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
        * tree-ssa-loop-niter.c (find_loop_niter): New function.
        (find_loop_niter_by_eval): Use tree_int_cst_lt.
        (num_ending_zeros): Moved to tree.c.
        * tree.h (num_ending_zeros): Declare.
        * tree.c (num_ending_zeros): Moved from tree.c.

2005-02-09  Richard Henderson  <rth@redhat.com>

        * builtins.c (DEF_BUILTIN): Add COND argument.
        * tree.h (DEF_BUILTIN): Likewise.
        * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
        DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
        match.
        (DEF_BUILTIN_STUB): New.
        (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
        BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
        BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
        * c-common.c (DEF_BUILTIN): Add COND argument.
        * tree.c (local_define_builtin): New.
        (build_common_builtin_nodes): New.

2005-02-09  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold_strip_sign_ops): New function to simplify a
        floating point expression ignoring the sign of the result.
        (fold) <ABS_EXPR>: Use it to simplify fabs(x).
        (fold) <MULT_EXPR>: Use it to simplify x*x.
        * tree.h (fold_strip_sign_ops): Prototype here.
        * builtins.c (fold_builtin_copysign): Take an additional FNDECL
        argument.  Use fold_strip_sign_ops to simplify the first argument.
        (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
        first argument when the second argument is an even integer
        constant, but only with -funsafe_math_optimizations.
        (fold_builtin_1): Update call to fold_builtin_copysign.

2005-02-09  Ian Lance Taylor  <ian@airs.com>

        PR middle-end/19583
        * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
        just check whether EH_FILTER_FAILURE falls through.

2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>

        * gcc/haifa-sched.c (schedule_block): Make queued sched group
        insns return to ready list in the next turn.

2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>

        PR middle-end/19402
        * builtins.def: New __builtin_powi[lf].
        * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
        (expand_builtin_powi): New function.
        (expand_builtin): Dispatch to expand_builtin_powi.
        * libgcc2.h: Add prototypes for __builtin_powi[lf].
        * libgcc2.c: Add __builtin_powi[lf] implementation.
        * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
        * optabs.h: Add powi_optab.
        * optabs.c (init_optabs): Initialize powi_optab.
        * doc/extend.texi: Document __builtin_powi[lf].

2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>

        * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
        exists.

2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>

        PR middle-end/19854
        * fold-const.c (try_move_mult_to_index): Remove redundant
        type argument.  Create ADDR_EXPR with correct type.
        (fold): Update callers of try_move_mult_to_index.  Convert
        result to the appropriate type.

2005-02-09  Roger Sayle  <roger@eyesopen.com>

        PR target/19597
        * config/avr/avr.c (default_rtx_costs): Delete.
        (avr_operand_rtx_cost): New function.
        (avr_rtx_costs): Completely rewrite.

2005-02-08  Hans-Peter Nilsson  <hp@axis.com>

        PR target/19806
        * config/cris/cris.c (in_code): New variable.
        (cris_output_addr_const): Now a static function, a wrapper for
        output_addr_const.
        (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
        case from old cris_output_addr_const.
        (cris_asm_output_label_ref): Similar for LABEL_REF.
        (cris_output_addr_const_extra): Similar for UNSPEC.
        * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
        (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
        * config/cris/cris-protos.h (cris_output_addr_const): Remove
        declaration.
        (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
        (cris_asm_output_label_ref): Declare.

2005-02-08  Paolo Bonzini  <bonzini@gnu.org>

        PR preprocessor/19801
        * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
        filenames that changed when libcpp was moved to the toplevel.

2005-02-07  Roger Sayle  <roger@eyesopen.com>

        * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
        zero extensions of BImode operands.  Call lowpart_subreg instead
        of gen_lowpart_common and gen_lowpart_SUBREG.

2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>

        PR ada/19489
        * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
        * configure.ac: Set cc_for_cross_gnattools.
        * configure: Regenerate.

2005-02-08  Alan Modra  <amodra@bigpond.net.au>

        PR target/19803
        * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.

2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR debug/19327
        * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
        of nested functions.

2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>

        * doc/extend.texi: Document deprecated extensions allowing
        static floating-point members to have initializers and allowing
        floating-point literals in integral constant expressions.

2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>

        * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
        config/darwin7.h, config/mips/mips.c,
        config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
        Update copyright.

        * cse.c: Update comments.

2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>

        PR middle-end/19775
        * builtins.c (fold_builtin_sqrt): Transform
        sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
        pow(x,y*0.5).

2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
            Dorit Naishlos  <dorit@il.ibm.com>

        * doc/invoke.texi (ftree-vectorizer-verbose): New.
        * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
        * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
        was added.
        * tree.h (vect_set_verbosity_level): New extern function declaration
        added.
        * tree-vectorizer.h (verbosity_levels): New enum type.
        * tree-vectorizer.c (vect_debug_stats): Function removed.
        (vect_debug_details): Likewise.
        (vect_verbosity_level): Global variable was defined and initialized.
        (vect_dump): Global variable definition.
        (vect_print_dump_info): New function.
        (vect_set_dump_settings): New function.
        (vect_set_verbosity_level): New function.
        (vectorize_loops): Add call to vect_set_dump_settings.

        (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
        (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
        (slpeel_tree_peel_loop_to_edge): Likewise.

        (vect_analyze_offset_expr): Call to vect_print_dump_info with
        appropriate verbosity level instead of call to vect_debug_details
        or vect_debug_stats.
        (vect_get_base_and_offset):
        (vect_create_addr_base_for_vector_ref):
        (get_vectype_for_scalar_type):
        (vect_create_data_ref_ptr):
        (vect_init_vector):
        (vect_get_vec_def_for_operand):
        (vect_finish_stmt_generation):
        (vectorizable_assignment):
        (vectorizable_operation):
        (vectorizable_store):
        (vectorizable_load):
        (vect_transform_stmt):
        (vect_update_ivs_after_vectorizer):
        (vect_do_peeling_for_loop_bound):
        (vect_update_inits_of_drs):
        (vect_do_peeling_for_alignment):
        (vect_transform_loop):
        (vect_is_simple_use):
        (vect_analyze_operations):
        (vect_is_simple_iv_evolution):
        (vect_analyze_scalar_cycles):
        (vect_analyze_data_ref_dependence):
        (vect_analyze_data_ref_dependences):
        (vect_compute_data_ref_alignment):
        (vect_enhance_data_refs_alignment):
        (vect_analyze_data_refs_alignment):
        (vect_analyze_data_ref_access):
        (vect_analyze_data_ref_accesses):
        (vect_analyze_pointer_ref_access):
        (vect_get_memtag_and_dr):
        (vect_analyze_data_refs):
        (vect_mark_relevant):
        (vect_stmt_relevant_p):
        (vect_mark_stmts_to_be_vectorized):
        (vect_can_advance_ivs_p):
        (vect_get_loop_niters):
        (vect_analyze_loop_form):
        (vect_analyze_loop):
        (vectorize_loops): Likewise.

        (vect_do_peeling_for_loop_bound): Dump format slightly changed.
        (vect_update_inits_of_drs):
        (vect_do_peeling_for_alignment):
        (vect_transform_loop):
        (vect_analyze_operations):
        (vect_analyze_scalar_cycles):
        (vect_analyze_data_ref_dependences):
        (vect_analyze_data_refs_alignment):
        (vect_analyze_data_ref_accesses):
        (vect_analyze_data_refs):
        (vect_mark_stmts_to_be_vectorized):
        (vect_get_loop_niters):
        (vect_analyze_loop_form):
        (vect_analyze_loop): Likewise.
        (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.

2005-02-07  Richard Sandiford  <rsandifo@redhat.com>

        PR bootstrap/19796
        Revert:
        2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
        * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
        either -ffast-math or -funsafe-math-optimizations is in use.

        2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
        * config/mips/irix-csr.c: New file.
        * config/mips/t-iris6 (irix-csr.o): New rule to build it.
        (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
        * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
        executables.

2005-02-07  Alexandre Oliva  <aoliva@redhat.com>

        * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
        redundant, incorrect definitions.

        * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
        expand.
        ("*tls_indirect_call"): New, reference hard regs directly.
        * config/frv/frv.c (gen_inlined_tls_plt): Adjust.

2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>

        * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
        Let !-mhard-float !-msoft-float imply -mfpu=softfpa.

2005-02-06  Roger Sayle  <roger@eyesopen.com>

        PR rtl-optimization/19800
        * simplify_rtx.c (simplify_relational_operation_1): Explicitly
        call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
        gen_lowpart.

2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>

        * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.

2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>

        PR other/17135
        * doc/invoke.texi: Correct documentation of -freorder-functions.

2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>

        PR other/14402
        * doc/invoke.texi: Don't mention gccbug.

2005-02-06  Roger Sayle  <roger@eyesopen.com>
            Andrew Pinski  <pinskia@physics.uc.edu>
            Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>

        * simplify-rtx.c (simplify_relational_operation_1): Simplify
        (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
        into just (zero_extract:SI FOO (const_int 1) BAR).

2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>

        * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
        macro locally.  Don't give last revision date.  Use GCC version
        number from gcc-common.texi.
        * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
        revision date.  Use GCC version number from gcc-common.texi.
        Describe being a library as current state rather than as 3.x
        history.
        * doc/gcc.texi: Remove last update date.
        * doc/gccint.texi: Likewise.  Update copyright dates.
        * doc/install.texi: Update copyright dates.

2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>

        PR other/7549
        * doc/invoke.texi: Mention for each option included in -Wall that
        it is included in -Wall.
        * doc/gcc.texi: Update copyright and last modification date.

2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
        unnecessary cast to original induction variable increments.

2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/18219
        * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
        in distributed form.

2005-02-06  Richard Sandiford  <rsandifo@redhat.com>

        * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
        Set bitpos and offset later in the function.  Do nothing if the
        target is a register and if the bitfield lies completely outside
        that register.
        (extract_bit_field): Make the same SUBREG, bitpos and offset changes
        here.  Return an uninitialised register if the source value is stored
        in a register and the bitfield lies completely outside that register.

2005-02-06  Steven Bosscher  <stevenb@suse.de>

        * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
        not SET_DEST.

2005-02-06  Marcin Dalecki  <martin@dalecki.de>

        * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.

2005-02-06  Geoffrey Keating  <geoffk@apple.com>

        * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
        * config/darwin8.h: New.
        * config/darwin7.h: Update comment.

2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
            Dorit Naishlos  <dorit@il.ibm.com>

        * tree-vectorizer.h (LOC): New type.
        (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
        (loop_line_number): New field in struct _loop_vec_info.
        (LOOP_VINFO_LOC, LOOP_LOC): New macros.

        * tree-vectorizer.c (input.h): Included.
        (find_loop_location): New function.
        (vect_debug_stats): Argument changed from loop to LOC. Computation of
        loop line number removed.
        (vect_debug_details): Likewise.
        (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.

        (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
        call to vect_debug_details/stats changed from loop to loop_loc.
        (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
        (slpeel_tree_peel_loop_to_edge): Likewise.

        (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
        changed from NULL to UNKNOWN_LOC.
        (vect_get_base_and_offset):
        (vect_create_addr_base_for_vector_ref):
        (get_vectype_for_scalar_type):
        (vect_create_data_ref_ptr):
        (vect_init_vector):
        (vect_get_vec_def_for_operand):
        (vect_finish_stmt_generation):
        (vectorizable_assignment):
        (vectorizable_operation):
        (vectorizable_store):
        (vectorizable_load):
        (vect_transform_stmt):
        (vect_update_ivs_after_vectorizer):
        (vect_do_peeling_for_loop_bound):
        (vect_do_peeling_for_alignment):
        (vect_transform_loop):
        (vect_is_simple_use):
        (vect_analyze_operations):
        (vect_is_simple_iv_evolution):
        (vect_analyze_scalar_cycles):
        (vect_analyze_data_ref_dependences):
        (vect_compute_data_ref_alignment):
        (vect_enhance_data_refs_alignment):
        (vect_analyze_data_ref_access):
        (vect_analyze_data_ref_accesses):
        (vect_analyze_pointer_ref_access):
        (vect_get_memtag_and_dr):
        (vect_analyze_data_refs):
        (vect_mark_relevant):
        (vect_stmt_relevant_p):
        (vect_mark_stmts_to_be_vectorized):
        (vect_can_advance_ivs_p):
        (vect_get_loop_niters):
        (vect_analyze_loop):
        (vectorize_loops): Likewise.

        (vectorizable_load): Argument in call to vect_debug_details/stats
        changed from loop to LOOP_LOC (loop_vinfo).
        (vect_transform_loop):
        (vect_analyze_operations):
        (vect_analyze_scalar_cycles):
        (vect_analyze_data_ref_dependence):
        (vect_enhance_data_refs_alignment):
        (vect_analyze_data_ref_accesses):
        (vect_analyze_pointer_ref_access):
        (vect_analyze_data_refs):
        (vect_analyze_loop): Likewise.

        (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
        changed from loop to loop_loc.

        (vect_enhance_data_refs_alignment): Removed unused variable loop.

2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
            Dorit Naishlos  <dorit@il.ibm.com>

        * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
        declaration added.
        (vect_analyze_data_ref_dependences): Likewise.

        (vect_is_simple_use): Argument changed from loop structure to
        loop_vect_info structure.
        (vect_can_advance_ivs_p): Likewise.
        (vect_create_index_for_vector_ref): Likewise.
        (vect_update_ivs_after_vectorizer): Likewise.
        (new_stmt_vec_info): Likewise.

        (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
        changed from loop to loop_vinfo.
        (vect_create_data_ref_ptr): First argument in call to
        vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
        (vectorizable_assignment): Second argument in call to vect_is_simple_use
        was changed from loop to loop_vinfo.
        (vectorizable_operation): Likewise.
        (vectorizable_store): Likewise.
        (vect_mark_stmts_to_be_vectorized): Likewise.
        (vect_do_peeling_for_loop_bound): First argument in call to
        vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
        (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
        was changed from loop to loop_vinfo.
        (vect_analyze_data_ref_dependences): Third argument in call to
        vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.

        (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
        (vect_create_data_ref_ptr): Likewise.
        (vect_init_vector): Likewise.
        (vect_get_vec_def_for_operand): Likewise.
        (vectorizable_assignment): Likewise.
        (vectorizable_operation): Likewise.
        (vectorizable_store): Likewise.
        (vectorizable_load): Likewise.
        (vect_update_ivs_after_vectorizer): Likewise.
        (vect_is_simple_use): Likewise.
        (vect_analyze_data_ref_dependence): Likewise.
        (vect_analyze_pointer_ref_access): Likewise.
        (vect_can_advance_ivs_p): Likewise.

        * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
        before _stmt_vec_info.
        (_stmt_vec_info): Loop field replaced by loop_vec_info.
        (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
        (new_stmt_vec_info): Argument changed from loop structure to
        loop_vect_info structure

        (vect_analyze_data_ref_dependences): Unnecessary line was removed.
        (vect_analyze_offset_expr): Avoid 80 columns overflow.
        (vect_create_addr_base_for_vector_ref): Likewise.
        (vect_analyze_pointer_ref_access): Likewise.

2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/19768
        * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
        phi flag if the phi is abnormal.

2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/19736
        * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
        information for the new statement.

2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>

        PR driver/19117
        * gcc.c (main): Include the target in -v output.

2005-02-03  Alexandre Oliva  <aoliva@redhat.com>

        * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
        Do not drop the extend if we'd have to add a paradoxical subreg
        later.  Include optabs.h and insn-codes.h.
        * Makefile.in (combine.o): Depend on $(OPTABS_H).

2005-02-02  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/19405
        * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
        * fold-const.c (const_binop): Avoid constant folding floating
        point operations in modes that use composite representations.
        * simplify-rtx.c (simplify_binary_operation): Likewise.

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

        * config/rs6000/altivec.md (altivec_dst): Make the first operand
        a REG, not a MEM.
        (altivec_dstt): Likewise.
        (altivec_dstst): Likewise.
        (altivec_dststt): Likewise.
        * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
        of first operand.

2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>

        * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
        EXPR_LOCUS from orig_cond to the new cond_stmt.
        (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
        the new vec_stmt.

2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>

        * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
        standard_iv_increment_position. Remove call to bsi_next
        (no need to bump the iterator anymore).
        (vect_create_index_for_vector_ref): Call
        standard_iv_increment_position. Remove second function argument.
        (vect_finish_stmt_generation): Remove call to bsi_next
        (no need to bump the iterator anymore).
        (vect_create_data_ref_ptr): Remove second argument (bsi) in call
        to vect_create_index_for_vector_ref.

2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>

        * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
        phis are used out of the loop.

2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/17807
        * c-decl.c (undef_nested_function): New variable.
        (pop_scope): Diagnose undefined nested functions.
        (finish_function): Don't attempt cgraph processing or genericizing
        if current top-level function contained an undefined nested
        function.  Reset undef_nested_function at the end of a top-level
        function.

2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree.c (build_int_cst_type): Take sign of the value into account
        when deciding whether sign extend the value.

2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/18502
        * gcc.c (cpp_unique_options): Remove %{trigraphs}.
        (cpp_options, cc1_options): Change %{std*&ansi} to
        %{std*&ansi&trigraphs}.

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

        * cse.c: Update comments.

2005-02-02  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
        arguments go on the stack.  Do not put complex doubles in odd/even
        pairs.

2005-02-02  Steven Bosscher  <stevenb@suse.de>

        * doc/invoke.texi: Update the options enabled at -O1, -O2,
        and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
        -ftree-pre, and -fthread-jumps.

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

        PR tree-optimization/19578
        * tree-flow.h (modified_noreturn_calls): Declare.
        (noreturn_call_p): Declare.
        * tree-flow-inline.h (noreturn_call_p): New function.
        (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
        * tree-cfg.c (modified_noreturn_calls): New variable.
        (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
        that contain a mid-block noreturn call.
        * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.

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

        * df.c (df_def_record_1, df_uses_record): Don't use
        DF_FOR_REGALLOC.
        * df.h (DF_FOR_REGALLOC): Remove.

2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/19435
        * c-typeck.c (really_start_incremental_init): Reset
        constructor_max_index for arrays of incomplete type.

2005-02-02  Jeff Law  <law@redhat.com>

        * gcse.c (struct reg_set): Store the block index where the register
        was set rather than the setting insn.
        (record_one_set, compute_transp): Corresponding changes.
        (pre_insert_copy_insn): Do not call replace_one_set.
        (replace_one_set): Remove.

2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>

        PR other/15514
        * doc/gcov.texi: Fix typo.

2005-02-01  Richard Henderson  <rth@redhat.com

        PR target/19680
        * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
        * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
        type to bool.
        (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
        * config/i386/i386-protos.h: Update.

2005-02-01  Steven Bosscher  <stevenb@suse.de>

        PR tree-optimization/19217
        * tree-cfg.c (verify_expr): Use the data field to see if TP was
        seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
        (verify_stmts): Pass (void*)1 as data to verify_expr to signal
        that it is walking a PHI node.

2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>

        * doc/extend.texi (Nested Functions): Update.

2005-02-01  Richard Henderson  <rth@redhat.com>

        PR 19696
        * optabs.c (expand_copysign_absneg): Export.
        * optabs.h (expand_copysign_absneg): Declare.
        * config/rs6000/rs6000.md (copysigntf3): New.

2005-02-01  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/19633
        * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
        * tree-ssa-alias.c (init_alias_info): Initialize.
        (merge_pointed_to_info): Set.
        (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
        (dump_points_to_info_for): Show value of pt_null.
        (struct count_ptr_d): Declare.
        (find_ptr_dereference): Remove.
        (ptr_is_dereferenced_by): Remove.
        (count_ptr_derefs): New local function.
        (count_uses_and_derefs): New local function.
        (compute_points_to_and_addr_escape): Call it.  If the number
        of dereferences is greater than zero, mark the pointer as
        dereferenced.  If there are fewer dereferences than uses of
        the pointer, the pointer's value escapes.

2005-02-01  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/19670
        * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
        here...
        (verify_use): ... set it here, instead.

2005-02-01  Janis Johnson  <janis187@us.ibm.com>

        * doc/sourcebuild.texi (Test directives): Fix formatting.

        * doc/sourcebuild.texi (Test directives): Describe selector
        expressions.

2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>

        * config.gcc (powerpc64-*-linux*): Default to -m64 also for
        specific 64-bit CPUs.

2005-02-01  Richard Earnshaw  <rearnsha@arm.com>

        PR target/16201
        * arm.c (arm_eliminable_register): New function.
        (adjacent_mem_locations): Don't allow eliminable registers.  Use
        HOST_WIDE_INT for address offsets.
        * arm-protos.h (arm_eliminable_register): Add prototype.

2005-02-01  Steven Bosscher  <stevenb@suse.de>

        PR optimization/15242
        * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
        * basic-block.h (duplicate_computed_gotos): Add prototype.
        * bb-reorder.c (duplicate_computed_gotos): New function to
        duplicate sufficiently small blocks ending in a computed jump.
        * passes.c (rest_of_compilation): Call duplicate_computed_gotos
        if not optimizing for size.
        * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
        never do tail merging for blocks ending in a computed jump.
        * doc/invoke.texi: Document the max-goto-duplication-insns param.

2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>

        Patch from Richard Sandiford <rsandifo@redhat.com>
        * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
        from inheriting a subreg equivalence with a non-spill register.

        * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.

2005-02-01  Alexandre Oliva  <aoliva@redhat.com>

        * config/frv/frv.c (movcc_fp_destination_operand): New.
        (gpr_or_memory_operand): Fix typo in comment.
        (gpr_or_memory_operand_with_scratch): New.
        * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
        * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
        movcc_fp_destination_operand.
        (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
        Legitimize memory addresses using a scratch register.

2005-01-31  Jeff Law  <law@redhat.com>

        * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
        bitmap a sparse bitmap instead of a simple bitmap.
        (mark_def_sites_initialize_block):  Corresponding changes.
        (ssa_mark_def_sites_initialize_block): Likewise.
        (ssa_mark_phi_uses): Likewise.
        (mark_def_site, ssa_mark_def_sites): Likewise.
        (mark_def_site_blocks): Likewise.
        (rewrite_ssa_into_ssa): Likewise.

        * tree-ssa-dom.c (record_cond): Pass correct variable type
        for last argument to htab_find_slot_with_hash.

        * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
        effects when optimizing 0 % X.  Do not try to optimize X % 0.

2005-01-31  James E. Wilson  <wilson@specifixinc.com>

        * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
        1_mmalua.

2005-02-01  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips.c (override_options): Warn if -mint64
        is used.
        * doc/invoke.texi (MIPS Options): Document that -mint64 is
        deprecated.

2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>

        * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
        timestamp.
        (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
        REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
        cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
        (cached_regno): Initialize to INVALID_REGNUM.
        (cse_reg_info_table_size,
        cse_reg_info_table_first_uninitialized,
        cse_reg_info_timestamp): New.
        (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
        get_cse_reg_info.
        (init_cse_reg_info, get_cse_reg_info_1): New.
        (get_cse_reg_info): Cache the last look-up.
        (new_basic_block): Update the code to clear mappings from
        registers to cse_reg_info entries.
        (cse_main): Call init_cse_reg_info.

        * cse.c (get_cse_reg_info): Update a comment.

2005-01-31  Steven Bosscher  <stevenb@suse.de>

        PR c/19333
        * c-decl.c (start_decl): Do not warn about arrays of elements with
        an incomplete type here.
        (grokdeclarator): Do it here by making a pedwarn an error.
        * c-typeck.c (push_init_level): If there were previous errors with
        the constructor type, do not warn about braces for initializers.
        (process_init_element): Likewise for excess initializer elements.

2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>

        * cse.c (delete_trivially_dead_insn): Don't iterate.

2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/rs6000/rs6000.md (copysignsf3): New expand.
        (copysigndf3): Likewise.

2005-01-31  Steven Bosscher  <stevenb@suse.de>

        * recog.c (constrain_operands): Only look for earlyclobber operand
        conflicts if an '&' constraint was seen.

2005-01-31  Marc Espie <espie@openbsd.org>

        * config.gcc: Don't include embedded systems fragment, switches default
        debugging format to ELF.
        * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
        longer pick it up there.

2005-01-31  Dale Johannesen  <dalej@apple.com>

        * doc/extend.texi (nested functions): Fix linkage description.
        Clarify that static is not allowed.

2005-01-31  Dale Johannesen  <dalej@apple.com>

        * config/rs6000/darwin.md (movsf_low_di):  Make work.
        (movdf_low_di):  Make work.

2005-01-31  Dale Johannesen  <dalej@apple.com>

        * config/rs6000/darwin-tramp.asm (__trampoline_setup):
        Make work for 64 bit.

2005-01-31  Roger Sayle  <roger@eyesopen.com>
            Dale Johannesen  <dalej@apple.com>

        PR middle-end/19650
        * fold-const.c (fold_binary_op_with_conditional_arg):
        Make types match original operands, before STRIP_NOPS.

2005-01-31  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
        (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
        (struct gcc_sigcontext): Delete.  Merge contents to..
        (struct gcc_ucontext): ..here.
        (get_sigcontext): Delete.
        (get_regs): New function, like get_sigcontext but return regs ptr.
        64-bit version finds regs from r1 to support vdso.
        (ppc_linux_aux_vector): New function.
        (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
        and vector regs.

2005-01-31  Ira Rosen  <irar@il.ibm.com>

        * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
        sizetype.
        (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
        redundant fold. Fix misalignment for MINUS_EXPR.
        (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
        (vect_analyze_pointer_ref_access): Likewise.
        (vect_get_memtag_and_dr): Likewise.

2005-01-31  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
        (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
        absnegdf2_i387, absnegxf2_i387): Likewise.

2005-01-31  Richard Henderson  <rth@redhat.com>

        PR 19696
        * optabs.c (expand_copysign_absneg): New.
        (expand_copysign_bit): Split out from ...
        (expand_copysign): ... here.  Use expand_copysign_absneg.

2005-01-30  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/19697
        * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
        constant as the second operand and a register as the third.

2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>

        PR target/19704
        * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
        that dllimport'd functions do not use all call-clobbered registers
        to pass parameters.

2005-01-30  Richard Henderson  <rth@redhat.com>

        PR 19696
        * optabs.c (expand_absneg_bit): Split out from expand_unop and
        expand_abs_nojump and generalize.  Use operand_subword and
        emit_no_conflict_block.  Support large modes.
        (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
        back to maximum.
        (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
        negation to subtraction.
        (expand_copysign): Check that the format has signed zeros.
        Use operand_subword and emit_no_conflict_block.  Support large modes.

2005-01-30  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/19624

        * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
        * tree-ssa-pre.c: Add cfgloop.h.
        Update comment.
        (pre_stats): New member, constified.
        (inserted_exprs): New static variable.
        (NECESSARY): New macro.
        (create_expression_by_pieces): Fold the expression, and
        mark it as defaulting to not necessary. Also put in
        inserted_exprs.
        (fully_constant_expression): New function.
        (insert_into_preds_of_block): Modify to not insert phis when we
        are playing with induction variables.
        Push phis onto the inserted_exprs vector, and mark them as not
        necessary by default.
        (insert_aux): Call fully_constant_expression on eprime.
        If all edges produce the same value, mark it constant.
        (mark_operand_necessary): New function.
        (remove_dead_inserted_code): New function.
        (init_pre): Init loop optimizer to get loop info.
        (fini_pre): Free loop_optimizer, and inserted_exprs vec.
        (execute_pre): Commit edge inserts, then remove dead code.

2005-01-30  Richard Henderson  <rth@redhat.com>

        * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
        * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.

2005-01-30  Richard Henderson  <rth@redhat.com>

        PR target/19700
        * config/i386/i386.c (ix86_expand_copysign): New.
        (ix86_split_copysign_const): New.
        (ix86_split_copysign_var): Rename from ix86_split_copysign,
        rearrange op1/nmask operands.
        * config/i386/i386-protos.h: Update.
        * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
        (copysigndf3): Likewise.
        (copysignsf3_const, copysigndf3_const): New.
        (copysignsf3_var): Rename from copysignsf3, split out splitter
        and fix split predicate for X constraint.
        (copysigndf3_var): Similarly.

2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>

        * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
        doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
        doc/tm.texi, doc/tree-ssa.texi: Update copyright.

2005-01-29  Richard Henderson  <rth@redhat.com>

        PR target/19690
        * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
        of # and * in constraints.

2005-01-29  Richard Henderson  <rth@redhat.com>

        PR middle-end/19689
        * expr.c (store_field): Don't strip sub-mode cast when the input
        data is even smaller.

2005-01-29  Richard Henderson  <rth@redhat.com>

        PR middle-end/19687
        * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
        union being empty.

2005-01-29  Richard Henderson  <rth@redhat.com>

        * combine.c (make_field_assignment): Fix argument order
        to gen_int_mode.

2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>

        PR tree-optimization/15791
        * fold-const.c (extract_array_ref): New function.
        (fold): Fold comparisons between &a[i] and &a[j] or
        semantically equivalent trees.

2005-01-29  Jeff Law  <law@redhat.com>

        * gcse.c (insert_expr_in_table): Revamp handling of available
        and anticipatable occurrence lists to avoid unnecessary list
        walking.
        (insert_set_in_table): Similarly.

2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>

        * c-common.c (fix_string_type): Just use c_build_qualified_type to
        build string type.
        (c_build_qualified_type): Build qualified array types with
        TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
        * c-decl.c (c_make_fname_decl): Build unqualified array type
        before qualified type.
        (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
        type is qualified, not just if type itself is.  Don't apply
        qualifiers to array type when declarator is processed.  Apply
        qualifiers to field type whether or not it is an array type.
        Don't handle array types specially for applying qualifiers to
        variables.
        * c-typeck.c (composite_type): Build unqualified element type and
        array type when forming composite of array types.
        (common_pointer_type, comptypes, comp_target_types,
        type_lists_compatible_p, build_indirect_ref, build_array_ref,
        convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
        types.
        (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
        (args2) in variables a1 and a2.

2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>

        * cse.c (n_elements_made, max_elements_made): Remove.
        (insert): Don't touch n_elements_made.
        (cse_main): Don't touch n_elements_made or max_elements_made.

2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>

        PR target/15384
        * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
        configuration part of dp-bit.c to be lost.

2005-01-28  Roger Sayle  <roger@eyesopen.com>

        * expmed.c (expand_mult_highpart_optab): When attempting to use
        a non-widening multiplication in a wider mode, the operands need
        to be converted (zero or sign extended) to that mode.

2005-01-28  Ian Lance Taylor  <ian@airs.com>

        PR middle-end/16558
        PR middle-end/19583
        * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
        through if both operands fall through.

2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>

        * cse.c (fold_rtx) <PC>: Don't optimize.

2005-01-28  Jeff Law  <law@redhat.com>

        * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
        (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.

2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>

        * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
        cse_reg_info_used_list_end): Remove.
        (cse_reg_info_list, cse_reg_info_list_free): New.
        (get_cse_reg_info): When allocating an instance of
        cse_reg_info, add it to the beginning of the cse_reg_info_list
        list.  Remove code to maintain cse_reg_info_used_list.
        (new_basic_block): Reset the free list to the beginning of
        cse_reg_info_list.

2005-01-28  Richard Sandiford  <rsandifo@redhat.com>

        * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
        (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
        (frv_expand_mdpackh_builtin): New function.
        (frv_expand_builtin): Use it to expand __MDPACKH.
        * doc/extend.texi (__MDPACKH): Update documentation.

2005-01-28  Uros Bizjak  <uros@kss-loka.si>

        * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
        SSE_FLOAT_MODE_P for use_sse computation.

2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>

        PR target/19663
        * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.

2005-01-27  Richard Henderson  <rth@redhat.com>

        * builtins.c (expand_builtin_copysign): New.
        (expand_builtin): Call it.
        * genopinit.c (optabs): Add copysign_optab.
        * optabs.c (init_optabs): Initialize it.
        (expand_copysign): New.
        * optabs.h (OTI_copysign, copysign_optab): New.
        (expand_copysign): Declare.

        * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
        (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.

        * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
        (ix86_expand_fp_absneg_operator): ... here.
        (ix86_split_copysign): New.
        * config/i386/i386-protos.h: Update.
        * config/i386/i386.md (UNSPEC_COPYSIGN): New.
        (copysignsf3, copysigndf3): New.

        * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
        (copysignsf3, ncopysignsf3): New.
        (copysigndf3, ncopysigndf3): New.
        (copysignxf3, ncopysignxf3): New.
        * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.

2005-01-27  Arend Bayer  <arend.bayer@web.de>
            Kazu Hirata  <kazu@cs.umass.edu>

        * cse.c: (find_best_addr): Don't call copy_rtx before calling
        fold_rtx.  Save cost recomputation if fold_rtx did nothing.
        (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
        NULL_RTX.

2005-01-27  Jeff Law  <law@redhat.com>

        * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
        definitions of SSA_NAMEs which are not being rewritten.
        (rewrite_ssa_into_ssa): Only initialize the current definition
        of an SSA_NAME if that SSA_NAME has been marked for rewriting.
        If checking is enabled, assert that SSA_NAME_AUX is clear for all
        SSA_NAMEs before returning.

2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>

        * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
        cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
        tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
        config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
        config/mips/iris6.h, config/sh/sh.c: Update copyright.

2005-01-27  Steven Bosscher  <stevenb@suse.de>

        PR middle-end/17278
        * opts.c (decode_options): Move flag_thread_jumps from -O1 and
        higher to -O2 and higher.  Likewise for tree PRE.
        * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
        and better.

2005-01-27  Ian Lance Taylor  <ian@airs.com>

        PR middle-end/19583
        * gimple-low.c (try_catch_may_fallthru): New static function.
        (block_may_fallthru): Handle TRY_CATCH_EXPR.
        * tree-inline.c (expand_call_inline): Don't warn about reaching
        the end of a non-void function being inlined if the function uses
        a return slot.

2005-01-27  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.

        PR c/18946
        * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
        (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
        (implicitly_declare): Handle error_mark_node.

2005-01-27  Richard Henderson  <rth@redhat.com>

        PR tree-opt/14329
        * tree.h (struct tree_decl): Add debug_expr_is_from.
        (DECL_DEBUG_EXPR_IS_FROM): New.
        (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
        * dwarf2out.c (dwarf2out_var_location): Update to match.
        * tree-outof-ssa.c (create_temp): Likewise.
        * var-tracking.c (track_expr_p): Likewise.
        * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
        * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
        * toplev.c (default_tree_printer): Likewise.

2005-01-27  Alexandre Oliva  <aoliva@redhat.com>

        * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
        GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.

2005-01-27  Steven Bosscher  <stevenb@suse.de>

        * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
        CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
        ASM_CLOBBERS): Add tree checks.

        * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
        (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
        * c-common.def (SWITCH_STMT): Update to match.
        * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
        macros instead of SWITCH_EXPR ones.
        * c-dump.c (c_dump_tree): Likewise.
        * c-gimplify.c (gimplify_switch_stmt): Likewise.
        * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.

        * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.

2005-01-27  Alan Modra  <amodra@bigpond.net.au>

        * unwind-dw2.c (execute_stack_op): Add missing cases for
        DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.

2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config.gcc (Obsolete configurations): Remove 'dummy', add
        sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
        sparc-*-openbsd*.

2005-01-26  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/19633
        * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
        CALL_EXPRs.
        (maybe_create_global_var): Do not create .GLOBAL_VAR if there
        are no call-clobbered variables.
        * tree-outof-ssa.c (check_replaceable): Return false for calls
        with side-effects.

2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>

        * dbxout.c (dbxout_symbol_location): Resolve constant pool references
        even for variables with NULL DECL_INITIAL.

2005-01-26  Stuart Hastings  <stuart@apple.com>

        * gimplify.c (shortcut_cond_expr): Re-compute side-effects.

2005-01-26  Richard Henderson  <rth@redhat.com>

        PR middle-end/18008
        * c-decl.c (finish_struct): Set DECL_MODE after resetting a
        field's type.
        * expr.c (store_field): Strip conversions to odd-bit-sized types
        if the destination field width matches.

2005-01-26  Richard Henderson  <rth@redhat.com>

        * c-decl.c, expmed.c, expr.c: Revert last change.

2005-01-26  Richard Henderson  <rth@redhat.com>

        PR middle-end/18008
        * c-decl.c (finish_struct): Set DECL_MODE after resetting a
        field's type.
        * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
        if we don't need the bits above those present in the current mode.
        * expr.c (store_field): Strip conversions to odd-bit-sized types
        if the destination field width matches.

2005-01-26  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
        either -ffast-math or -funsafe-math-optimizations is in use.

2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>

        PR target/19293
        PR target/19329
        * config/avr/avr.c (notice_update_cc): Only set condition code for
        ashrqi3 if shift count > 0.
        (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
        (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
        ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
        count <= 0 as a no-op, and shift count >= width by copying zero
        or sign bit to all bits of the result.
        * config/avr/avr.md (all shifts): Add alternatives for zero shift
        count, with attribute "length" set to 0 and "cc" set to "none".

2005-01-26  Aldy Hernandez  <aldyh@redhat.com>

        * doc/invoke.texi: Document -mTLS.

        * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
        * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
        * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
        * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
        * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
        * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
        * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
        * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.

        * configure.ac: Check for a TLS capable gas.

        * configure: Regenerate.

2005-01-26  Richard Henderson  <rth@redhat.com>

        PR middle-end/18008
        * combine.c (make_field_assignment): Simplify store to zero_extract
        from a source with an overlapping mask.

2005-01-26  Aldy Hernandez  <aldyh@redhat.com>

        2004-11-11  Eric Christopher  <echristo@redhat.com>

        * config/frv/frv.md: Add fr400_integer automaton. Don't
        allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
        to TYPE_MACC.

2005-01-26  Steven Bosscher  <stevenb@suse.de>

        PR middle-end/16585
        * cfgbuild.c (make_edges): Do not clear or set
        current_function_has_computed_jump.
        * function.h (struct function): Remove the has_computed_jump field.
        (current_function_has_computed_jump): Do not define.
        * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
        in a computed jump.  Ignore current_function_has_computed_jump.

2005-01-26  Richard Henderson  <rth@redhat.com>

        PR middle-end/19515
        * expr.c (categorize_ctor_elements): New argument p_must_clear.
        (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
        fully initialized.
        (mostly_zeros_p): Update for new categorize_ctor_elements argument.
        * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
        objects into static storage if they have more than one non-zero value.
        * tree.h (categorize_ctor_elements): Update decl.

2005-01-26  Steven Bosscher  <stevenb@suse.de>

        PR middle-end/19616
        * tree.h (CALL_EXPR_TAILCALL): Add comment.
        * calls.c (check_sibcall_argument_overlap_1): Revert the change
        to this function from 2004-07-10.
        * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
        the current function for tail call optimizations if the address
        of one of it its arguments is taken.

2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>

        * cse.c (fold_rtx): Call equiv_constant only when necessary.

2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>

        * function.c (expand_function_end): If current_function_calls_alloca,
        emit stack restore in a place that is reached when the function falls
        through at the end.

2005-01-26  Alexandre Oliva  <aoliva@redhat.com>

        * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
        rule to avoid matching inappropriate suffix rule.

2005-01-26  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/19241
        * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.

2005-01-26  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
        -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
        of doubling.
        (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
        <sim*>: Always use crt1.o, regardless of N in simN.
        <!sim>: Drop support for -pg and -p variants; always use crt0.o.
        (ENDFILE_SPEC): Add crtn.o, after crtend.o.
        (CRT_CALL_STATIC_FUNCTION): Remove.
        * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
        use crt1.o, regardless of N in simN.
        <!sim>: Drop support for -pg and -p variants; always use crt0.o.
        (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
        (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
        case isystem setting.
        (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.

2005-01-25  Ian Lance Taylor  <ian@airs.com>

        * gimple-low.c (block_may_fallthru): Correct handling of
        SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.

2005-01-26  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
        handlers to match indentation; nested under the mtune=* handler.
        Similar for mcpu= and march=.

2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
        * config/mips/linux64.h (LIB_SPEC): Likewise.
        * config/mn10300/linux.h (LIB_SPEC): Likewise.
        * config/sh/linux.h (LIB_SPEC): Likewise.

2005-01-25  Aldy Hernandez  <aldyh@redhat.com>

        * config/frv/frv.c (frv_legitimize_tls_address): New.
        (TARGET_HAVE_TLS): Define.
        (FRV_SYMBOL_REF_TLS_P): Define.
        (frv_override_options): Handle new register classes.
        (frv_legitimate_address_p): Reject tls addresses.
        (frv_legitimize_address): Handle TLS addresses.
        (gen_inlined_tls_plt): New.
        (gen_tlsmoff): New.
        (frv_legitimize_tls_address): New.
        (unspec_got_name): Add TLS entries.
        (got12_operand): Add R_FRV_TLSMOFF12 case.
        (frv_emit_move): Fixup TLS addresses.
        (frv_emit_movsi): Legitimize TLS addresses.

        * config/frv/frv.h (MASK_BIG_TLS): New.
        (TARGET_BIG_TLS): New.
        (HAVE_AS_TLS): Define.
        (TARGET_SWITCHES): Add -mTLS and -mtls options.
        (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
        (REG_CLASS_NAMES): Same.
        (REG_CLASS_CONTENTS): Same.
        (CONSTRAINT_LEN): New.
        (REG_CLASS_FROM_CONSTRAINT): New.
        (PREDICATE_CODES): Add symbolic_operand.

        * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
        UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
        UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
        UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
        R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
        R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
        R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
        GR9_REG, GR14_REG, LRREG.
        (type): Add load_or_call attribute.
        ("load_or_call"): New reservation.
        ("call_gettlsoff"): New.
        ("tls_indirect_call"): New.
        ("tls_load_gottlsoff12"): New.
        ("tlsoff_hilo"): New.
        ("tls_tlsdesc_ldd"): New.
        ("tls_tlsoff_ld"): New.
        ("tls_lddi"): New.

        * config/frv/frv-protos.h (symbolic_operand): Protoize.

        2005-01-25  Alexandre Oliva  <aoliva@redhat.com>

        * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
        * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
        * config/frv/frv.c (TLS_BIAS): Define.
        (frv_output_dwarf_dtprel): New.

2005-01-26  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/19579
        * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
        both A and B, see if they don't clobber registers the other expr uses.

2005-01-25  J"orn Rennecke <joern.rennecke@st.com>

        * real.c (do_add): Initialize signalling and canonical members.

        * real.c (real_from_integer): Zero out destination.

2005-01-18  Jan Hubicka  <jh@suse.cz>

        PR tree-optimize/19337
        * tree-inline.c (initialize_inlined_parameters): Copy
        saved_static_chain_decl only.

2005-01-25  Richard Henderson  <rth@redhat.com>

        PR target/19556
        PR target/19584
        * config/i386/i386.c (x86_inter_unit_moves): Zero.
        (ix86_preferred_reload_class): Rewrite fp-constant section, with
        80387 enabled, to return a proper subclass.  Return the subset that
        overlaps with GENERAL_REGS for PLUS.
        * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.

2005-01-25  Richard Henderson  <rth@redhat.com>

        PR middle-end/19609
        * tree-complex.c (expand_complex_div_wide): Use the correct formulae.

2005-01-25  Roger Sayle  <roger@eyesopen.com>

        * expmed.c (choose_multiplier): Change interface to return the
        multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
        (expand_divmod): Update calls to choose_multiplier.

2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR middle-end/19330
        * expmed.c (extract_bit_field): Use adjust_address instead of
        gen_lowpart when op0 is a MEM.

2005-01-24  Steven Bosscher  <stevenb@suse.de>

        * cfgexpand.c (expand_gimple_tailcall): Fix typo.

2005-01-24  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/irix-csr.c: New file.
        * config/mips/t-iris6 (irix-csr.o): New rule to build it.
        (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
        * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
        executables.

2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR bootstrap/19364
        * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
        sparc/elf.h, add sparc/sp-elf.h.
        (sparc-*-rtems*): Likewise.
        (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
        tm-dwarf2.h, add sparc/sp-elf.h.
        (sparc86x-*-elf): Likewise.
        (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
        * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
        TARGET_OS_CPP_BUILTINS.
        * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
        * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
        Undefine it.
        * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
        * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
        (SWITCH_TAKES_ARG): Likewise.
        (LOCAL_LABEL_PREFIX): Likewise.
        (ASM_GENERATE_INTERNAL_LABEL): Likewise.
        (TARGET_N_FORMAT_TYPES): Delete.
        (TARGET_FORMAT_TYPES): Likewise.
        (ASM_DECLARE_FUNCTION_SIZE): Likewise.
        * config/sparc/elf.h: Delete.
        * config/sparc/sp-elf.h: New file.

2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-flow-inline.h (phi_arg_from_edge): Remove.
        * tree-flow.h: Remove the corresponding prototype.
        * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
        tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.

2005-01-24  Jakub Jelinek  <jakub@redhat.com>

        PR target/17751
        * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
        for AIX ABI or ELF -fPIC.
        (rs6000_emit_load_toc_table): Don't create toc_section here.
        (rs6000_xcoff_file_start): Nor here.

2005-01-24  J"orn Rennecke <joern.rennecke@st.com>

        * sh.c (ra.h): Don't #include.
        (hard_regs_intersect_p): New function, resurrected from ra.c.

        * sh.c: Fix 1996 Copyright.

2005-01-24  Richard Henderson  <rth@redhat.com>
            Aldy Hernandez  <aldyh@redhat.com>

        * regrename.c (note_sets): Handle subregs.

2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>

        PR bootstrap/18058
        * genconditions.c (write_header, write_conditions): Elide file if
        not GCC >= 3.0.1.

2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>

        * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
        config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
        Update copyright.

2005-01-24  Jakub Jelinek  <jakub@redhat.com>

        * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
        expand_builtin_printf, expand_builtin_fprintf,
        expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
        checking against POINTER_TYPE.
        (validate_arglist): Handle POINTER_TYPE code by checking
        POINTER_TYPE_P.

2005-01-24  Paolo Bonzini  <bonzini@gnu.org>

        * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
        init_rtlanal): New.
        (for_each_rtx): Call for_each_rtx_1.
        * rtl.h (init_rtlanal): Declare.
        * toplev.c (backend_init): Call init_rtlanal.

2005-01-24  Jakub Jelinek  <jakub@redhat.com>

        * flow.c (propagate_one_insn): Formatting.

        PR middle-end/19551
        * flow.c (libcall_dead_p): Be more conservative if unsure.
        If there are any instructions between insn and call, see if they are
        all dead before saying the libcall is dead.

2005-01-24  Uros Bizjak  <uros@kss-loka.si>

        * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
        operand constraint for operand 0.

2005-01-23  Richard Henderson  <rth@redhat.com>

        PR 19486
        * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
        edges leading to join block.

2005-01-23  Roger Sayle  <roger@eyesopen.com>

        * expmed.c (expand_mult_highpart): Make static.  Change type of
        constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
        (expand_divmod): Updates calls to expand_mult_highpart by using
        gen_int_mode to pass a CONST_INT rtx.
        * rtl.h (expand_mult_highpart): Remove prototype.

2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>

        * flow.c (regset_bytes, regset_size): Remove.

        * cfganal.c: Fix a reference to Harvey's paper.

2005-01-23  Steven Bosscher  <stevenb@suse.de>

        PR rtl-optimization/19464
        * tree-optimize.c (init_tree_optimization_passes): Add one more
        copyrename pass just before out-of-ssa.

2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>

        PR bootstrap/18058
        * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
        * ggc-none.c (ggc_free): Define.

2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>

        * cse.c (max_reg, max_insn_uid): Remove.
        (cse_main): Don't access max_reg or max_insn_uid.

        * c-common.c (explicit_flag_signed_bitfields,
        lang_statement_code_p, lang_expand_function_end): Remove.
        * c-common.h: Remove the corresponding declarations.
        * c-opts.c (c_common_handle_option): Remove all write access
        to explicit_flag_signed_bitfields.

        * cgraph.c (cgraph_varpool_n_nodes): Remove.
        (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
        * cgraph.h: Remove the corresponding declaration.

        * gcse.c (null_pointer_info): Remove.

2005-01-23  Roger Sayle  <roger@eyesopen.com>
            Eric Botcazou  <ebotcazou@libertysurf.fr>

        * combine.c (simplify_logical): Only simplify logical expressions
        of the form ior(and(x,y),z) by the inverse distributive law if the
        result is cheaper than the original.

2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>

        * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
        fold-const.c, gimplify.c, params.h, tree-data-ref.c,
        tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
        tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
        config/freebsd-spec.h, config/arm/arm.h,
        config/h8300/h8300.md, config/i386/i386.md,
        config/i386/predicates.md, config/i386/sse.md,
        config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
        config/vax/vax.md: Fix comment typos.  Follow spelling
        conventions.

2005-01-23  Steven Bosscher  <stevenb@suse.de>

        * gengtype.c (walk_type): Produce `not equal to' compares for loop
        tests, instead of `less than'.

2005-01-23  Richard Sandiford  <rsandifo@redhat.com>

        * function.c (assign_parm_setup_block): When creating a new stack slot
        for a parameter, get its alignment from the parameter's DECL_ALIGN
        rather than the type's TYPE_ALIGN.  Make sure that the parameter
        is at least word aligned.

2005-01-22  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/19378
        * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.

2005-01-22  Richard Henderson  <rth@redhat.com>

        PR target/19506
        * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
        in both compare operands.
        (movdfcc_1_sse_max): Likewise.
        (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
        (movdfcc_1_sse): Likewise.
        * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
        scratch register as needed.

2005-01-22  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.md (smaxsf3): Fix mnemonic typo.

        * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.

2005-01-22  Richard Henderson  <rth@redhat.com>

        * genopinit.c (optabs): Use smin/smax for floating point too.
        * doc/md.texi: Update to match.  Clarify that floating point
        results are undefined for +0/-0 and NaN.
        * doc/rtl.texi: Likewise.
        * rtl.def (SMIN, SMAX): Likewise
        * tree.def (MIN_EXPR, MAX_EXPR): Likewise.

        * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
        leading 's' to the name.
        * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
        smaxxf3, sminxf3): Likewise.
        * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
        Likewise.

2005-01-22  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.

2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>

        * config/s390/s390.c (struct processor_costs): New fields
        dlgr, dlr, dr, dsgfr, dsgr.
        (z900_cost, z990_cost): Values for new fields.
        (s390_rtx_costs): New cases MEM und COMPARE in switch
        statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
        DIV, MOD, UDIV, UMOD.

2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md ("doloop_si64"): Reload input value directly
        into the register being decremented.
        ("doloop_si31", "doloop_di"): Likewise.
        ("*doloop_si_long"): Adapt pattern.

2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
        access registers.
        (CLASS_MAX_NREGS): Likewise.

2005-01-21  Daniel Berlin  <dberlin@dberlin.org>

        * doc/tree-ssa.texi (Statement Operands): Add example for new
        must-def macro. Note deprecation of old operands interface.

2005-01-22  Richard Sandiford  <rsandifo@redhat.com>

        PR tree-optimization/19484
        * tree-cfg.c (remove_fallthru_edge): New function.
        (cleanup_control_flow): Remove fallthru edges from calls that are
        now known not to return.

2005-01-20  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/19038
        * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
        copies with loop variant ones.

2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>

        * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
        config/alpha/alpha-protos.h, config/alpha/alpha.h,
        config/alpha/alpha.md, config/alpha/predicates.md,
        config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
        config/sparc/sol2.h: Update copyright.

        * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
        first label to see if it is a nonlocal label.

2005-01-22  David Edelsohn  <edelsohn@gnu.org>
            Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/19491
        * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
        maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.

2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>

        * config/rs6000/rtems.h: Update copyright.

2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>

        PR target/19548
        * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
        (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
        (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.

2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        PR c/18809
        * c-typeck.c (convert_arguments): Check for error_mark_node.

2005-01-21  Ian Lance Taylor  <ian@airs.com>

        PR tree-optimization/13000
        * tree-inline.c: Include "tree-flow.h".
        (expand_call_inline): If warn_return_type, warn if non-void inline
        function falls through.
        * tree-cfg.c (execute_warn_function_return): Don't warn about
        control reaching end if TREE_NO_WARNING is set.  Set
        TREE_NO_WARNING.
        * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
        has been lowered.
        * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
        branch if we don't need one.
        * c-typeck.c: Include "tree-flow.h"
        (c_finish_bc_stmt): Don't add a goto if the current statement
        list doesn't fall through to the current point.

2005-01-21  Roger Sayle  <roger@eyesopen.com>

        PR rtl-optimization/576
        * real.c (real_arithmetic): Change return type from void to bool
        to return an indication that the result may be inexact.
        * real.h (real_arithmeric): Update prototype.
        * fold-const.c (const_binop):  Don't constant fold floating
        point expressions when the user specifies -frounding-math and
        the result may depend upon the run-time rounding mode.
        (fold_convert_const_real_from_real): Clean-up.
        (fold_initializer): Ignore flag_rounding_math for initializers.
        * simplify-rtx.c (simplify_binary_operation): Likewise, don't
        constant fold FP operations with flag_rounding_math if the
        result may depend upon the run-time rounding mode.

2005-01-21  Tom Tromey  <tromey@redhat.com>

        * c-cppbuiltin.c (define__GNUC__): Correct assertion.

2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c: Fix comment typos.

2005-01-21  J"orn Rennecke <joern.rennecke@st.com>

        * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
        around the call to rest_of_handle_branch_target_load_optimize.

2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
        (sparc64-*-openbsd*): Likewise.
        (sparclite-*-elf*): Include tm-dwarf2.h.
        (sparc86x-*-elf*): Likewise.
        (sparc64-*-elf*): Likewise.
        * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
        (DBX_DEBUGGING_INFO): Likewise.
        * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
        (PREFERRED_DEBUGGING_TYPE): Likewise.
        * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
        * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
        (PREFERRED_DEBUGGING_TYPE): Likewise.
        * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
        (PREFERRED_DEBUGGING_TYPE): Likewise.
        * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.

2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>

        PR target/18701
        * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.

2005-01-20  Paul Brook  <paul@codesourcery.com>

        * doc/rtl.texi: Document value extension requirements for CONST_INT.

2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
        label is first in a sequence of labels.

        * tree-cfg.c (tree_verify_flow_info): Fix a typo.

2005-01-20  Janis Johnson  <janis187@us.ibm.com>
            Giovanni Bajo  <giovannibajo@gcc.gnu.org>

        * doc/sourcebuild.texi (Test Directives): New.

2005-01-20  Roger Sayle  <roger@eyesopen.com>

        * real.c (real_floor): Don't leave the result uninitialized when
        mode is VOIDMode, but return the unrounded intermediate value.
        (real_ceil): Likewise.

2005-01-20  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.md (insv): Use gen_int_mode.

2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
        * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
        * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
        * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
        * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.

2005-01-20  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR debug/19124
        * dwarf2out.c (concat_loc_descriptor): We don't know we can use
        fbreg, so we have to assume we can't.
        (loc_descriptor_from_tree_1): Ditto.
        (containing_function_has_frame_base): New function.
        (add_location_or_const_value_attribute): Use it.
        Also try to generate a frame_base from a single element location
        list.

2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>

        PR tree-optimization/15349
        * timevar.def (TV_TREE_MERGE_PHI): New.
        * tree-cfg.c (tree_forwarder_block_p): Add a new argument
        PHI_WANTED.
        (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
        calls to tree_forwarder_block_p.
        (remove_forwarder_block_with_phi, merge_phi_nodes,
        gate_merge_phi, pass_merge_phi): New.
        * tree-optimize.c (init_tree_optimization_passes): Add
        pass_merge_phi.
        * tree-pass.h: Add an extern for pass_merge_phi;

2005-01-20  Richard Henderson  <rth@redhat.com>

        PR target/19418
        * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
        (_mm_castps_pd, _mm_castps_si128): New.
        (_mm_castsi128_ps, _mm_castsi128_pd): New.

2005-01-20  Richard Henderson  <rth@redhat.com>

        PR target/19530
        * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
        __builtin_ia32_vec_init_v2si.
        (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
        * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
        (ix86_init_mmx_sse_builtins): Create it.
        (ix86_expand_builtin): Expand it.
        (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
        * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
        (vec_extractv2si_0, vec_extractv2si_1): New.

2005-01-20  Richard Henderson  <rth@redhat.com>

        PR target/16533
        * config/i386/i386.c (ix86_expand_push): New.
        * config/i386/mmx.md (push<MMXMODE>1): New.
        * config/i386/sse.md (push<SSEMODE>1): New.
        * config/i386/i386-protos.h: Update.

2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>

        * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
        copyright.

2005-01-20  Richard Henderson  <rth@redhat.com>

        * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
        * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.

2005-01-19  Richard Henderson  <rth@redhat.com>

        PR target/19350
        * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
        to V4SFmode in SSE1 fallback load path.

2005-01-19  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
        in QImode expansion to ix86_expand_vector_set.
        (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.

2005-01-19  Richard Henderson  <rth@redhat.com>

        PR target/19511
        * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
        subclass of the input class.
        (ix86_secondary_memory_needed): Always true for cross-MMX classes.
        Always true for cross-SSE1 classes.  Rationalize conditionals.
        * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
        * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
        for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
        (movdi_2): Add MMX/SSE zeros.
        (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
        (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
        (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
        (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
        (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
        (zero_extendsidi2_rex64_1): Remove.
        (MOV0 peephole): Check GENERAL_REG_P.

2005-01-19  Richard Henderson  <rth@redhat.com>

        PR target/19427
        * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
        shufps elements.
        (ix86_expand_vector_extract): Likewise.

2005-01-19  Richard Henderson  <rth@redhat.com>

        PR middle-end/19304
        * expr.c (emit_move_change_mode): New argument force; use
        simplify_gen_subreg if true.
        (emit_move_via_alt_mode): Merge into ...
        (emit_move_via_integer): ... here.
        (emit_move_ccmode): Use emit_move_change_mode directly.

2005-01-19  Richard Henderson  <rth@redhat.com>

        PR target/19518
        * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
        (alpha_preferred_reload_class): Handle CONST_VECTOR.
        (alpha_emit_set_const_1): Add no_output parameter; don't emit
        rtl if true.
        (alpha_emit_set_const): Likewise.  Make static.
        (alpha_emit_set_long_const): Make static.
        (alpha_extract_integer): Split out from alpha_expand_mov.
        (alpha_split_const_mov): Likewise.
        (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
        (alpha_legitimate_constant_p): New.
        * config/alpha/alpha-protos.h: Update.
        * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
        (LEGITIMATE_CONSTANT_P): Re-implement with a function.
        * config/alpha/alpha.md (movsi): Add n alternative.
        (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
        (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
        (splitters for all of the above): Use alpha_split_const_mov.
        * config/alpha/predicates.md (non_add_const_operand): New.
        (non_zero_const_operand): New.
        (input_operand): Use alpha_legitimate_constant_p after reload.

2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/19038
        * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
        (add_candidate): Add ivs with increment in latch only if
        allow_ip_end_pos_p is true.
        (determine_iv_cost): Use empty_block_p.

2005-01-19  Daniel Berlin  <dberlin@dberlin.org>

        * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
        (compute_dominance_frontiers): Ditto.

2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>

        PR target/19529
        * config/sh/t-rtems: New.
        * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.

2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
        the offset of the selected field.

2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (remove_forwarder_block): Fix the check to
        prevent a nonlocal label from appearing in the middle of a
        basic block.

2005-01-19  Hans-Peter Nilsson  <hp@axis.com>

        PR rtl-optimization/19462
        * reorg.c (find_end_label): Create return insn only if
        current_function_epilogue_delay_list is empty.

2005-01-19  Paolo Bonzini  <bonzini@gnu.org>

        * doc/passes.texi: Remove paragraph mentioning new-ra.

2005-01-19  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/15139
        * combine.c: Include params.h.
        (count_rtxs): New function.
        (record_value_for_reg): If replace_rtx would replace at least
        2 occurrences of REG in VALUE and TEM is really large, replace REG with
        (clobber (const_int 0)) instead of TEM.
        * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
        * params.h (MAX_LAST_VALUE_RTL): New.
        * Makefile.in (combine.o): Depend on $(PARAMS_H).
        * doc/invoke.texi (--param max-last-value-rtl=N): Document.

        PR c/17297
        * c-typeck.c (digest_init): Only call build_vector if all constructor
        elements are *_CST nodes.
        * gimplify.c (gimplify_init_constructor): Likewise.

        PR middle-end/19164
        * c-typeck.c (digest_init): Only call build_vector if inside_init
        is a CONSTRUCTOR.

2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        * toplev.c (init_asm_output): Remove dead #ifdef.

2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.

2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
        accessing DECL_FUNCTION_CODE.
        * dojump.c (do_jump): Likewise.
        * gimplify.c (gimplify_call_expr): Likewise.
        * predict.c (expr_expected_value): Likewise.
        (strip_builtin_expect): Likewise.
        * tree-inline.c (estimate_num_insns_1): Likewise.
        * tree-ssa-loop-im.c (stmt_cost): Likewise
        * fold-const.c (fold): Test for BUILT_IN_NORMAL.
        (tree_expr_nonnegative_p): Likewise.

2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (load_pic_register): Emit the appropriate
        variant of the load_pcrel_sym pattern.
        * config/sparc/sparc.md (P macro): Move to the top.
        (load_pcrel_sym): Macroize using P.
        (save_register_window): Likewise.

2005-01-18  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
        ("sordered"): Same.

2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>

        PR C/19472
        * c-typeck.c (build_asm_expr): Strip nops off
        input memory operands.

2005-01-18  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
        _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
        * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
        * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.

2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>

        PR target/19379
        * config/i386/i386.c (override_options): If the 80387 is disabled,
        then do not return FP values using FP registers.

2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>

        * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
        c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
        combine.c, config.gcc, coverage.h, cse.c, cselib.c,
        defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
        flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
        gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
        output.h, postreload-gcse.c, postreload.c, recog.c,
        resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
        targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
        tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
        tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
        tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
        tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
        tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
        unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.

        * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
        config/alpha/alpha.c, config/arm/vfp.md,
        config/i386/emmintrin.h, config/i386/i386-modes.def,
        config/i386/i386-protos.h, config/i386/i386.h,
        config/i386/pmmintrin.h, config/i386/ppro.md,
        config/i386/predicates.md, config/i386/xmmintrin.h,
        config/i860/i860.c, config/ia64/ia64-modes.def,
        config/ia64/ia64-protos.h, config/ia64/ia64.h,
        config/ia64/ia64.md, config/ia64/itanium1.md,
        config/ia64/itanium2.md, config/ia64/predicates.md,
        config/iq2000/iq2000.h, config/mips/linux64.h,
        config/rs6000/aix41.h, config/rs6000/aix43.h,
        config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
        config/rs6000/rs6000.c, config/rs6000/rs6000.h,
        config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
        config/sparc/linux64.h, config/sparc/litecoff.h,
        config/sparc/sp64-elf.h, config/sparc/sparc.c,
        config/sparc/sparc.h, config/sparc/sparc.md,
        config/sparc/sysv4-only.h: Update copyright.

2005-01-18  Richard Henderson  <rth@redhat.com>

        PR target/19496
        * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.

2005-01-18  Marc Espie  <espie@openbsd.org>
        * config/i386/openbsdelf.h: Typo.

2005-01-18  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
        special case for sse.
        * config/i386/predicates.md (sse_comparison_operator): Likewise.

2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>

        * tree-inline.c (estimate_num_insns_1): Added cases for
        ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.

2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR rtl-optimization/19296
        * combine.c (simplify_comparison): Rewrite the condition under
        which a non-paradoxical SUBREG of a PLUS can be lifted when
        compared against a constant.

2005-01-18  Andi Kleen <ak@muc.de>

        * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
        * c.opt (-Wpointer-sign): Add.
        * doc/invoke.texi: (-Wpointer-sign): Add.

2005-01-18  Uros Bizjak  <uros@kss-loka.si>

        * config/i386/i386.c (override_options): Revert 2004-11-24 change.
        * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
        *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
        logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
        exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
        nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
        for TARGET_MIX_SSE_I387.
        (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
        sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
        atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
        log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
        floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
        (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
        TARGET_MIX_SSE_I387.
        (atan2sf3, atan2df3, atan2xf3): Remove register constraints
        from expander.

2005-01-18  Uros Bizjak  <uros@kss-loka.si>

        PR target/19424
        * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
        Add movaps alternative for xmm reg->reg move.

2005-01-17  Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
        at the end of the main DOM loop rather than just before DOM exits.

2005-01-17  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/19121
        * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
        adding aliases to a name tag, also add them to the pointer's
        type tag.
        * tree-ssa-copy.c (merge_alias_info): Do not merge flow
        sensitive alias info at all.  Only check that the two pointers
        have compatible pointed-to sets.
        * tree-ssa.c (verify_name_tags): Verify that the alias set of
        a pointer's type tag is a superset of the alias set of the
        pointer's name tag.

2005-01-17  James E Wilson  <wilson@specifixinc.com>

        PR target/19357
        * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
        comment to document why.

2005-01-17  Richard Henderson  <rth@redhat.com>

        * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
        sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
        sse2_vmsmaxv2df3_finite, sminv2df3_finite,
        sse2_vmsminv2df3_finite): New.
        (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
        sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
        Force op1 into register.

2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>

        * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
        bubblestrap from always rebuilding build directory.

2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md ("*clc"): Remove incorrect '='.
        ("*cmpmem_short"): Likewise.

2005-01-17  Steven Bosscher  <stevenb@suse.de>

        * basic-block.h: Document BB_* flags.
        * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
        use an sbitmap instead.
        * sched-rgn.c (compute_trg_info): Likewise.

2005-01-17  Richard Sandiford  <rsandifo@redhat.com>

        * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
        redundant target_cpu_default and extra_parts lines.  Use the default
        "from-abi" ISA.
        * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
        (SUBTARGET_EXTRA_SPECS): Delete.
        (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
        (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
        * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
        and "n32" for -mabi=n32.

2005-01-17  Ian Lance Taylor  <ian@airs.com>

        PR c/5675
        * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
        fold constant variables into initial values.

2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.

        * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
        through the statements backward.

2005-01-17  Ian Lance Taylor  <ian@airs.com>

        PR middle-end/13127:
        * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
        a variable set to the return value of the inlined function.

2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>

        * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
        when modes are tieable.

2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>

        * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
        of pthread_create to find out if threads are enabled.
        * gthr-posix95.h (__gthread_active_p): Likewise.

2005-01-17  Paolo Bonzini  <bonzini@gnu.org>

        * common.opt (-fnew-ra): Remove.
        * ra*.*: Remove.
        * toplev.h (flag_new_regalloc): Remove.
        * Makefile.in (ra*.*): Don't mention.
        * passes.c (rest_of_handle_new_regalloc): Remove.
        (rest_of_handle_combine, rest_of_compilation): Always consider
        flag_new_regalloc as false.
        * doc/invoke.texi: Don't document -fnew-ra.

2005-01-17  Paolo Bonzini <bonzini@gnu.org>

        * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
        last parameter to reg_scan.
        * loop.c (loop_optimize): Likewise.
        * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
        rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
        rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
        rest_of_handle_gcse, rest_of_handle_loop_optimize,
        rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
        * regclass.c (reg_scan): Likewise, for the declaration.
        * rtl.h (reg_scan): Likewise, for the prototype.

2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
        mark_dfs_back_edges.

2005-01-16  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
        (compute_avail): Uses don't go in tmp_gen.

2005-01-16  Steven Bosscher  <stevenb@suse.de>

        * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
        loop to look for a free slot in a page entry.

2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/16304
        * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
        * toplev.c (compile_file): Call process_pending_assemble_output_defs
        just before targetm.asm_out.file_end.
        * tree.h (process_pending_assemble_output_defs): Declare.
        * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
        New functions.
        (assemble_alias): Defer generation of assembly code for defines when
        TARGET_DEFERRED_OUTPUT_DEFS is true.
        * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
        * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
        * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.

2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/19336
        * pa.c (pa_scalar_mode_supported_p): New function.
        (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
        * pa.h (MIN_UNITS_PER_WORD): Add comment.

        * pa-protos.h (prefetch_operand): Delete.
        (prefetch_cc_operand, prefetch_nocc_operand): New declations.
        * pa.c (prefetch_operand): Delete.
        (prefetch_cc_operand, prefetch_nocc_operand): New functions.
        * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
        (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
        and prefetch_nocc_operand.
        * pa.md (prefetch): Rework to avoid reload problems handling short
        displacements when a cache control completer needs to be provided.
        (prefetch_32, prefetch_64): Delete.
        (prefetch_cc, prefetch_nocc): New patterns.

2005-01-15  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.

2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR ada/19388
        * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
        exceeds maximum alignment for global common data.
        * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
        * som.h (MAX_OFILE_ALIGNMENT): Likewise.

2004-01-15  Roger Sayle  <roger@eyesopen.com>

        * tree-ssa-dom.c (extract_range_from_cond): Correct condition.

2004-01-15  Roger Sayle  <roger@eyesopen.com>

        * harg-reg-set.h (reg_class_names): Prototype global array.
        * regclass.c (reg_class_names): Declare here and initialize to
        REG_CLASS_NAMES.
        (dump_regclass): Remove local declaration of reg_class_names.
        (regclass): Likewise.
        * cfg.c (dump_flow_info): Likewise.
        * ra-debug.c (reg_class_names): Likewise.
        * regrename.c (reg_class_names): Likewise.
        * reload.c (reg_class_names): Likewise.
        * reload1.c (spill_failure): Likewise.
        * config/m68hc11/m68hc11.c (reg_class_names): Likewise.

2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md ("reload_outti"): Remove predicate for
        output operand.  Abort if operand is not a MEM.
        ("reload_outdi", "reload_outdf"): Likewise.

2005-01-15  Marc Espie  <espie@openbsd.org>

        * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
        (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
        * config/openbsd.h:  Fix C++ includes for native configurations.
        Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
        Add trampoline support.
        * config/i386/openbsdelf.h: New.

2005-01-15  Marc Espie  <espie@openbsd.org>

        * collect2.c (main): Explicitly parse -dynamic-linker option.

2005-01-15  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/19060
        * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
        Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
        (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
        and handle extract_range_from_cond returning false.
        * fold-const.c (fold): Optimize comparisons with min/max even for
        width > HOST_BITS_PER_WIDE_INT.

2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>

        * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
        * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
        Remove little endian multilib variants.
        Add mips32 multilib variant.

2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>

        * explow.c (copy_all_reg, stabilize): Remove.
        * expr.h: Remove the corresponding prototypes.

        * rtlanal.c (regs_set_between_p): Remove.
        * rtl.h: Remove the corresponding prototype.

2005-01-14  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
        to rs6000_nonimmediate_operand.
        * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
        rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
        * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
        rs6000_nonimmediate_operand.
        * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
        rs6000_nonimmediate_operand.

2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.

2005-01-14  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
        on e500v2.
        (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
        (PREDICATE_CODES): Add rs6k_nonimmediate_operand.

        * config/rs6000/rs6000.c (invalid_e500_subreg): New.
        (rs6k_nonimmediate_operand): New.
        (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
        correctly.
        (legitimate_lo_sum_address_p): Same.
        (rs6000_legitimize_address): Same.
        (rs6000_legitimize_reload_address): Same.
        (rs6000_legitimate_address): Same.
        (spe_build_register_parallel): Pass DF and DC modes in a DI
        register.

        * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
        to rs6k_nonimmediate_operand.

        * config/rs6000/spe.md ("*frob_df_di"): New.
        ("*frob_di_df"): New.
        ("*frob_di_df_2"): New.
        ("*mov_sidf_e500_subreg0"): New.
        ("*mov_sidf_e500_subreg4"): New.
        ("*movdf_e500_double"): Change predicate to
        rs6k_nonimmediate_operand.

2005-01-14  Aldy Hernandez  <aldyh@redhat.com>

        * postreload.c (move2add_note_store): Only call
        trunc_int_for_mode on scalar integers.

2005-01-14  Steven Bosscher  <stevenb@suse.de>

        * tree-ssa-dce.c (visited_control_parents): New sbitmap to
        replace BB_VISITED uses.
        (find_obviously_necessary_stmts): Don't clear BB_VISITED.
        (propagate_necessity): Check the bitmap instead of BB_VISITED.
        (tree_dce_done): Free visited_control_parents.
        (perform_tree_ssa_dce): Allocate and clear it.
        * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
        (compute_antic): Iterate from here using a DFS.  Use an sbitmap
        instead of BB_VISITED.

2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>

        * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
        rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
        Remove unused prototypes.

2005-01-14  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
        64-bit register usage.
        (spe_func_has_64bit_regs_p): Add FIXME note.

2005-01-14  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
        flag_finite_math_only with flag_unsafe_math_optimizations.

2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>

        * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
        end-of-stack check.
        (__tpf_eh_return): Copy TPF private stack area from the module
        boundary stack frame.  Add check for when module addresses are
        equal, but no stub address is found.

2005-01-14  Richard Earnshaw  <rearnsha@arm.com>

        PR target/7525
        * arm.h (struct machine_function): Add call_via field.
        (thumb_call_via_label): Declare.
        * arm.c (thumb_call_via_label): New variable.
        (thumb_call_reg_needed): New variable.
        (arm_output_function_epilogue): For Thumb code, output any per-function
        call-indirect trampolines.
        (thumb_call_via_reg): New function.
        (arm_file_end): New function.
        (TARGET_ASM_FILE_END): Call arm_file_end.
        (aof_file_end): Likewise.
        * arm-protos.h (thumb_call_via_reg): Declare.
        * arm.md (call_reg_thumb, call_value_reg_thumb): Call
        thumb_call_via_reg in normal case.

2005-01-14  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/19084
        PR rtl-optimization/19348
        * recog.c (peephole2_optimize): Do global life update if some peephole
        decides it doesn't need at least one of its inputs and that change
        influences liveness at the start of the basic block.

        * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
        arguments instead of 1.

2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR middle-end/18820
        * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
        zero for nested functions needing a static chain or functions
        with a non-constant address.

2005-01-13  Roger Sayle  <roger@eyesopen.com>

        * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
        (and (sign_extend X) C) into (zero_extend (and X C)).

2005-01-13  David O'Brien  <obrien@FreeBSD.org>

        * config/freebsd-spec.h:  Make KSE pthread lib logic the default.

2005-01-13  Richard Henderson  <rth@redhat.com>

        PR target/19009
        PR target/19250
        PR target/19252
        * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
        bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
        not just TARGET_SSE.
        (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
        (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
        (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
        (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
        (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
        (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
        (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
        fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
        (movdicc_c_rex64): Rename with '*'.
        (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
        (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
        (movsfcc_1_387): Rename from movsfcc_1.
        (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
        (movdfcc_1, movdfcc_1_rex64): Add check for 387.
        (sminsf3, smaxsf3, smindf3, smaxdf3): New.
        (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
        mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
        maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
        sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
        sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
        sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
        sse_movdfcc_const0_4): Remove.
        * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
        recognize min/max early.  Update for changed sse cmove patterns.
        (ix86_split_sse_movcc): New.
        * config/i386/i386-protos.h: Update.

2005-01-13  Steven Bosscher  <stevenb@suse.de>

        * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
        (fix_stmt_v_may_defs): Likewise.

2005-01-13  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
        for converting the mask.

2005-01-13  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
        definition to 600.

2005-01-13  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
        IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
        IX86_BUILTIN_MOVDQ2Q): Remove.
        (IX86_BUILTIN_VEC_EXT_V4SI): New.
        (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
        (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
        shuffling.
        * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
        (sse2_pextrw): Fix immediate constraint.
        (sse2_loadq, sse2_loadq_rex64): Remove.
        * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
        Use __builtin_ia32_vec_ext_<size>.
        (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.

2005-01-13  Aldy Hernandez  <aldyh@redhat.com>

        * function.c (assign_parm_setup_block): Look inside original
        entry_parm when inspecting PARALLEL.

2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
            Joel Sherrill  <joel@oarcorp.com>

        PR target/19399
        * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
        (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
        rtems_gxx_recursive_mutex_init.
        (__gthread_recursive_mutex_lock): New function.
        (__gthread_recursive_mutex_trylock): Likewise.
        (__gthread_recursive_mutex_unlock): Likewise.

2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>

        * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.

2005-01-13  Jan Beulich  <jbeulich@novell.com>

        * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
        (ashrti3_internal): Indicate output is early clobber. Generate result
        into output rather than first input. Use move for low word of output
        if shift count is exactly 64.
        (lshrti3_internal): Likewise.

2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>

        PR target/18329
        PR target/18330
        * reload1.c (delete_output_reload): Don't delete an output reload
        if the pseudo lives longer than a single basic block.  Adjust and
        improve wording of comment.

2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/19334
        * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
        of TYPE_SIZE where we mean the number of bytes.

2005-01-12  Aldy Hernandez  <aldyh@redhat.com>

        * function.c (assign_parm_setup_block): Relax condition on
        multi-register optimization.

2005-01-12  Nick Clifton  <nickc@redhat.com>

        * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
        an "in_delay_slot" attribute of "no" to prevent them being used in
        delay slots.  This is forbidden because they might generate
        exceptions.

2005-01-12  Alan Modra  <amodra@bigpond.net.au>

        PR target/19389
        * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
        with r->Y and Y->r.

2005-01-12  Nick Clifton  <nickc@redhat.com>

        * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
        passed on to GAS) but do not define, as GAS no longer supports or
        needs the -m2000 option.

2005-01-11  Roger Sayle  <roger@eyesopen.com>

        * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
        type as args of unprototyped builtins aren't automatically promoted.
        (fold_builtin_abs): Likewise.

2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * Makefile.in: Set a `build-warn' variable.

2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/17949
        * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
        (find_interesting_uses_address): Use it.

2005-01-11  Aldy Hernandez  <aldyh@redhat.com>

        * regrename.c (kill_value): Handle subreg's that won't simplify.

2005-01-11  Richard Henderson  <rth@redhat.com>

        PR target/13366
        * config/i386/i386.h (enum ix86_builtins): Move ...
        * config/i386/i386.c: ... here.
        (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
        IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
        IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
        IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
        IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
        IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
        IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
        IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
        IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
        IX86_BUILTIN_LOADDDUP): Remove.
        (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
        IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
        IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
        IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
        IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
        (ix86_init_builtins): Make static.
        (ix86_init_mmx_sse_builtins): Update for changed builtins.
        (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
        if all the modes match.  Otherwise, fake it.
        (get_element_number, ix86_expand_vec_init_builtin,
        ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
        (ix86_expand_builtin): Make static.  Update for changed builtins.
        (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
        operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
        (ix86_expand_vector_init_duplicate): New.
        (ix86_expand_vector_init_low_nonzero): New.
        (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
        Split out from ix86_expand_vector_init; handle integer modes.
        (ix86_expand_vector_init): Use them.
        (ix86_expand_vector_set, ix86_expand_vector_extract): New.
        * config/i386/i386-protos.h: Update.
        * config/i386/predicates.md (reg_or_0_operand): New.
        * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
        (movv2sf_internal): Likewise.  And a splitter to match them all.
        (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
        vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
        vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
        vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
        (mmx_pinsrw): Fix operand ordering.
        * config/i386/sse.md (movv4sf splitter): Use direct pattern,
        rather than sse_loadss expander.
        (movv2df splitter): Similarly.
        (sse_loadss, sse_loadlss): Remove.
        (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
        (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
        (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
        (sse3_movddup): Rename with '*'.
        (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
        (sse2_loadsd): Remove.
        (vec_dupv2df_sse3): Rename from sse3_loadddup.
        (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
        (sse2_pinsrw): Fix argument ordering.
        (sse2_loadld, sse2_loadq): Add sse1 alternatives.
        (sse2_stored): Remove 'r' destination.
        (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
        vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
        vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
        vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
        vec_extractv16qi, vec_initv16qi): New.

        * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
        (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
        _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
        constructor form.
        (_mm_load_pd, _mm_store_pd): Use plain dereference.
        (_mm_load_si128, _mm_store_si128): Likewise.
        (_mm_load1_pd): Use _mm_set1_pd.
        (_mm_load_sd): Use _mm_set_sd.
        (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
        (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
        (_mm_set_epi64): Use _mm_set_epi64x.
        (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
        _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
        _mm_setr_epi8): Use _mm_set_foo form.
        (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
        (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
        (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
        (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
        * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
        (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
        (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
        (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
        (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
        * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
        (_mm_movedup_pd): Use _mm_shuffle_pd.
        * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
        _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
        (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
        _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
        Use _mm_setzero_ps.
        (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
        (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
        (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
        (_mm_store_ps): Use raw dereference.
        (_mm_store1_ps): Use _mm_storeu_ps.
        (_mm_storer_ps): Use _mm_store_ps.
        (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
        (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.

2005-01-11  Stan Shebs  <shebs@apple.com>

        * config/rs6000/rs6000.c (machopic_output_stub): Issue
        ldu instead of lwzu if 64-bit -mdynamic-no-pic.

2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/18761
        * config/rs6000/rs6000.c (rs6000_special_round_type_align):
        Skip all DECLs except for FIELD_DECLs.

2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (override_options): Return error if
        -mbackchain, -mpacked-stack and -mhard-float are used together.
        (s390_va_start): Remove the backchain && packed-stack special case.
        (s390_gimplify_va_arg): Likewise.
        * doc/invoke.texi: Remove the ABI incompatibility note.

2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (struct s390_frame_layout): Remove
        save_backchain_p.
        (s390_frame_info, s390_emit_prologue): Replace occurrences of
        save_backchain_p with TARGET_BACKCHAIN.

2005-01-11  Alan Modra  <amodra@bigpond.net.au>

        PR target/18916
        * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
        * expr.h (struct locate_and_pad_arg_data): Add "boundary".
        * function.c (locate_and_pad_parm): Set new field.
        (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
        Tweak where_pad test to include "none".  Always set mem align for
        stack_parm.
        (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
        not sufficient for type.
        (assign_parm_setup_block): If stack_parm is zero on entry, always
        make a new stack local.  Block move old stack parm if necessary
        to new aligned stack local.
        (assign_parm_setup_stack): Use a block move to handle
        potentially misaligned entry_parm.
        (assign_parms_unsplit_complex): Specify required alignment when
        creating stack local.
        * calls.c (compute_argument_addresses): Override alignment of stack
        arg calculated from its type with the alignment given by
        FUNCTION_ARG_BOUNDARY.
        (store_one_arg): Likewise.

2005-01-11  Jan Beulich  <jbeulich@novell.com>

        * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
        Change respective itanium_class attribute to ialu.
        (shladdp4_internal): New.
        * config/ia64/predicates.md (shladd_log2_operand): New.

2005-01-11  Richard Henderson  <rth@redhat.com>

        * expr.c (store_constructor): Use rtvec_alloc instead of
        alloca+gen_rtvec_v, and an incorrect number passed to alloca.

2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>

        * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.

2005-01-11  Alan Modra  <amodra@bigpond.net.au>

        * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
        * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
        (TARGET_RWRELOC): Define.
        (ia64_rwreloc_section_type_flags): Delete.
        (ia64_section_type_flags): New function.
        * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
        (TARGET_RWRELOC): Define.

2005-01-10  David Mosberger  <davidm@hpl.hp.com>

        PR target/18987
        * config/ia64/ia64.c (process_set): For alloc insn, only call
        process_epilogue is !frame_pointer_needed.

2005-01-10  Roger Sayle  <roger@eyesopen.com>

        PR c++/19355
        * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
        unary operator and can't be treated as a binary/comparison operator.

2005-01-10  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
        (ix86_return_in_memory): Likewise.
        (function_arg_advance):  Likewise.  Mirror structure in function_arg
        for choosing register to advance.

2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-vectorizer.c, tree.def: Fix comment typos.

2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>

        * config/s390/s390.c (struct processor_costs): 4 new fields:
        ddbr, ddr, debr, der.
        (s390_rtx_costs): More precise handling of divide instructions.

2005-01-10  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.

2005-01-10  Jan Beulich  <jbeulich@novell.com>

        * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
        names resulting from -ffunction-sections/-fdata-sections and linkonce
        ones.
        * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
        based on the section name. Rearrange the section name comparison logic
        slightly so that each section name is compared against at most once.

2005-01-10  Ben Elliston  <bje@au.ibm.com>

        * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
        targets for which -fPIC reduces limitations on the GOT size.

2005-01-09  Falk Hueffner  <falk@debian.org>

        * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
        X/C1 cmpop C2.

2005-01-09  David Edelsohn  <edelsohn@gnu.org>

        PR target/18720
        * collect2.c (main): Set aixrtl_flag for -brtl option.
        (resolve_lib_name): Search for .so file extension before .a
        if aixrtl_flag set.

2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>

        * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
        (vect_analyze_data_refs_alignment): Add dump prints.

2005-01-09  Ira Rosen  <irar@il.ibm.com>

        * tree-vectorizer.c (vect_analyze_offset_expr): Use
        expr_invariant_in_loop_p.
        Initialize outputs first thing in the function.
        (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
        (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
        (vect_analyze_pointer_ref_access): Check that the initial condition of
        the access function is loop invariant.

2005-01-09  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
        (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
        just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
        * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
        mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
        movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
        movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
        sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
        ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
        mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
        mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
        sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
        mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
        mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
        gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
        ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
        mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
        mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
        mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
        eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
        pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
        pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
        pswapdv2sf2): Move to mmx.md; rename as necessary with leading
        mmx_ prefix.
        (mmx_clrdi, pavgusb): Remove.
        (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
        with leading sse_ prefix.
        * config/i386/sse.md: Receive them.
        * config/i386/mmx.md: New file.
        (MMXMODE12, MMXMODE24, mmxvecsize): New.
        (subrv2sf3): Turn into expander for normal subtraction.
        (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
        mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
        mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
        mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
        commutative; use ix86_binary_operator_ok.
        (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
        mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
        mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
        mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
        mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
        Macroize from existing patterns; use ix86_binary_operator_ok.
        (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
        (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
        mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
        with vec_select+vec_concat.
        (mmx_pshufw, mmx_pshufw_1): Likewise.
        (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
        (mmx_uavgv4hi3): Model correctly.
        * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
        _mm_xor_si64): Remove casts.

2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/19224
        * tree-scalar-evolution.c (get_instantiated_value,
        set_instantiated_value): New functions.
        (instantiate_parameters_1): Cache the results.
        (instantiate_parameters, resolve_mixers): Initialize and free
        the cache.

2005-01-08  David Edelsohn  <edelsohn@gnu.org>

        * config/i386/i386.md (addhi_4): Correct reference in comment.
        (addqi_4): Same.

2005-01-08  Richard Henderson  <rth@redhat.com>

        * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
        (_mm_cvtsi128_si64x): Likewise.
        (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
        _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
        the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
        * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
        * config/i386/i386-protos.h: Update.
        * config/i386/i386.c (print_operand): Add 'H'.
        (ix86_fixup_binary_operands): Split out from ...
        (ix86_expand_binary_operator): ... here.
        (ix86_fixup_binary_operands_no_copy): New.
        (ix86_expand_fp_absneg_operator): Handle vector mode results.
        (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
        (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
        (safe_vector_operand): Use CONST0_RTX.
        (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
        (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
        CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
        expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
        special cases.
        * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
        (IX86_BUILTIN_CMPNGESS): New.
        * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
        (attr type): Add sselog1.
        (attr unit, attr memory): Handle it.
        (movti, movti_internal, movti_rex64): Move near other integer moves.
        (movtf, movtf_internal): Move near other fp moves.
        (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
        vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
        movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
        movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
        sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
        sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
        sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
        mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
        rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
        sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
        sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
        sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
        vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
        smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
        cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
        cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
        vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
        vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
        sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
        sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
        cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
        cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
        cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
        cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
        ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
        subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
        smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
        sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
        sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
        sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
        gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
        ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
        ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
        sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
        sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
        sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
        sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
        sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
        sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
        sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
        mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
        addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
        movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
        non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
        same time.
        (SSEPUSH, push<SSEPUSH>): Remove.
        (MMXPUSH, push<MMXPUSH>): Remove.
        (sse_movaps, sse_movaps_1, sse_movups): Remove.
        (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
        (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
        (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
        (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
        (maskncmpv2df3, vmmaskncmpv2df3): Remove.
        (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
        (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
        * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
        (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
        * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
        (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
        (ppro_sse_log_V4SF): Handle sselog1.
        * config/i386/predicates.md (const_0_to_1_operand): New.
        (const_0_to_255_mul_8_operand): New.
        (const_1_to_31_operand): Rename from const_int_1_31_operand.
        (const_2_to_3_operand, const_4_to_7_operand): New.
        * config/i386/sse.md: New file.
        (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
        (sse_movups): Rename from sse_movups_1.
        (sse_loadlss): Rename from sse_loadss_1.
        (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
        from the name.
        (negv4sf2): Use ix86_expand_fp_absneg_operator.
        (absv4sf2, negv2df, absv2df): New.
        (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
        (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
        iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
        smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
        umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
        (sse3_addsubv4sf3): Model correctly.
        sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
        sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
        (sse_movhlps): Model with vec_select+vec_concat.
        (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
        sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
        sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
        sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
        sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
        sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
        sse2_pshufhw_1): Likewise.
        (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
        (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
        sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
        ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
        sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
        ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
        (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
        sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
        mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
        sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
        sminv8hi3): Mark commutative
        operands.  Use ix86_binary_operator_ok.
        (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
        sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
        sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
        sse2_punpcklqdq): Allow operand2 in memory.
        (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
        sse2_movsd): Add memory alternatives.
        (sse_storelps): Turn expander into an insn; split after reload.
        (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
        (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.

2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * configure.ac (DWARF-2 debug_line): Use objdump.
        * configure: Regenerate.

2005-01-08  Jeff Law  <law@redhat.com>
            Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/18241
        * tree-nrv.c (tree_nrv): Ignore volatile return values.
        * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
        statements with volatile operands.
        * tree-ssa-operands.c (add_stmt_operand): Do add volatile
        operands after marking a statement with has_volatile_ops.

2005-01-08  Roger Sayle  <roger@eyesopen.com>

        * tree.c (int_fits_type_p): Always honor integer constant
        TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.

2005-01-08  Roger Sayle  <roger@eyesopen.com>

        * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
        the latent bug in rtl_delete_block has been resolved.

2005-01-08  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
        (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.

2005-01-08  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
        library as @multilib_dir@/$(SHLIB_SONAME).

2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
        * configure: Regenerate.

2005-01-07  Jakub Jelinek  <jakub@redhat.com>

        * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
        TYPE_MODE.

2005-01-07  David Edelsohn  <edelsohn@gnu.org>

        PR target/13674
        * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
        Convert non-word aligned offset address using ld/std into
        indirect address.

2005-01-07  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.

2005-01-07  Richard SAndiford  <rsandifo@redhat.com>

        * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.

2005-01-07  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/19283
        * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
        is not shorter than the original type.

        PR rtl-optimization/19012
        * config/i386/i386.md (addqi_1_slp): Set memory attribute.

        PR rtl-optimization/18861
        * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
        (FULL_STATE): Define.
        (mark_tablejump_edge): New function.
        (purge_dead_tablejump_edges): New function.
        (find_bb_boundaries): Use it.

        PR tree-optimization/18828
        * builtins.c (expand_builtin_next_arg): Remove argument and all
        the argument checking.
        (expand_builtin): Adjust caller.
        (expand_builtin_va_start): Likewise.  Remove error for too many
        arguments.
        (fold_builtin_next_arg): Issue error for too many arguments.
        After checking arguments, replace them with magic arguments that
        prevent further checking of the args.

2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.

2005-01-06  Roger Sayle  <roger@eyesopen.com>

        PR target/6077
        * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
        and %{.S:...} (and their negative variants) to test whether the
        input file is assembler or pre-processed-assembler independent of
        the actual filename extension.

2005-01-06  Roger Sayle  <roger@eyesopen.com>

        * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
        of sign or zero extended values.

2005-01-06  Geoffrey Keating  <geoffk@apple.com>

        * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
        for IBM long double format correctly.

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

        Fix PR tree-optimization/18792

        * tree-data-ref.c (build_classic_dist_vector): Change first_loop
        to first_loop_depth, and use loop depth instead of loop number.
        (build_classic_dir_vector): Ditto.
        (compute_data_dependences_for_loop): Use depth, not loop number.
        * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
        number. Pass in loops, instead of loop numbers.
        (gather_interchange_stats): Ditto.
        (linear_transform_loops): Ditto.

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

        PR rtl-opt/13299
        * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
        biv_fits_mode_p, extension_within_bounds_p): New functions.
        (check_ext_dependent_givs): Use them.

2005-01-06  Roger Sayle  <roger@eyesopen.com>

        * cfgrtl.c (rtl_delete_block): A basic block may be followed by
        more than one barrier, in which case we should delete them all.

2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * gcc.c (process_command): Change year in 'gcc --version' to 2005.

2005-01-05  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR middle-end/19286
        Fix PR debug/19267
        * dwarf2out.c (gen_subprogram_die): If we've already tried to
        output this subprogram, simply ignore this attempt to do it again.
        (add_abstract_origin_attribute): Don't abort trying to add the abstract
        origin attribute if it's not possible.
        (gen_block_die): Don't ignore subblocks of "unused" blocks.
        (decls_for_scope): Ditto.
        * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
        (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.

2005-01-05  Richard Henderson  <rth@redhat.com>

        PR target/11327
        * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
        (bdesc_2arg): Use it.
        (ix86_expand_binop_builtin): Force operands into registers
        when optimizing.
        (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
        ix86_expand_sse_compare, ix86_expand_sse_comi,
        ix86_expand_builtin): Likewise.

2005-01-05  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
        and VEC_SELECT.
        * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
        (mulv4hi3): Set itanium_class mmmul.
        (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
        (fpack): Rename from fpack_sfsf.

2005-01-05  Richard Henderson  <rth@redhat.com>

        PR rtl-opt/10692
        * reload1.c (do_input_reload): Restrict the optimization deleteing
        a previous output reload to RELOAD_FOR_INPUT.

2005-01-05  Steven Bosscher  <stevenb@suse.de>

        * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
        comment that we fall through after case.
        (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
        (distribute_links): Likewise.
        * cse.c (cse_insn): Likewise.
        * cselib.c (cselib_invalidate_mem): Likewise.
        * df.c: Update comments at the top of the file.
        (read_modify_subreg_p): Update comments here too.
        (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
        * flow.c (mark_set_1): Likewise.
        (mark_used_regs): Likewise.
        * gcse.c (mems_conflict_for_gcse_p): Likewise.
        (canon_list_insert): Likewise.
        (mark_set): Likewise.
        (try_replace_reg): Likewise.
        (store_killed_in_insn): Likewise.
        * loop.c (count_one_set): Likewise.
        (basic_induction_var): Likewise.
        * postreload-gcse.c (find_mem_conflicts): Likewise.
        * postreload.c (reload_combine_note_store): Likewise.
        (move2add_note_store): Likewise.
        * reload.c (find_equiv_reg): Likewise.
        (mark_referenced_resources): Likewise.
        * rtlanal.c (set_noop_p): Likewise.
        (note_stores): Likewise.
        (note_uses): Likewise.
        * sched-deps.c (sched_analyze_1): Likewise.
        * sched-rgn.c (check_live_1): Likewise.
        (update_live_1): Likewise.
        * config/i860/i860.c: Likewise.

        * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
        an lvalue.
        (ZERO_EXTRACT): Mention that this one can be an lvalue.

        * doc/rtl.texi: Update documentation for bit-fields and SET.

2005-01-05  Roger Sayle  <roger@eyesopen.com>

        * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.

2005-01-05  Jan Hubicka  <jh@suse.cz>
            Richard Henderson  <rth@redhat.com>

        PR target/18910
        * config/i386/i386.c (ix86_expand_move): Handle tls symbols
        with an offset.

2005-01-05  Richard Henderson  <rth@redhat.com>

        PR target/12902
        * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
        (sse_shufps): Change operand 3 to const_int_operand.
        (sse2_storelps): Fix typo in template.
        (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
        * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
        (ix86_expand_builtin): Likewise.

2005-01-05  Julian Brown  <julian@codesourcery.com>

        * config/arm/arm.c (arm_return_in_memory): Treat complex types
        as aggregates for AAPCS ABIs.

2005-01-05  Stan Shebs  <shebs@apple.com>

        * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
        Mach-O getters if ppc64.
        * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
        size argument.
        * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
        signed four-byte field for global code case.
        (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.

2005-01-05  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/19100
        * c-common.c: Include real.h.
        (c_common_truthvalue_conversion): Avoid destructively modifying expr.
        Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
        Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
        * Makefile.in (c-common.o): Update dependencies.

2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>

        * c-parse.in (asm_string): Add trailing semicolon.

2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>

        * c-parse.in (asm_string): New.  Don't allow wide strings in
        'asm'.
        (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
        asm_string instead of STRING.

2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>

        * c-typeck.c (constructor_no_implicit): Remove.
        (set_designator, process_init_element): Don't check
        constructor_no_implicit.

2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
            Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/16482
        * lcm.c (create_pre_exit): New.
        (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
        ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.

2004-01-05  Richard Earnshaw  <rearnsha@arm.com>

        * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
        -msoft-float in target_float_switch.
        * arm.c (arm_override_options): Fix processing of target_float_switch.

2004-01-05  Richard Earnshaw  <rearnsha@arm.com>

        * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
        preferencing.

2004-01-05  Uros Bizjak  <uros@kss-loka.si>

        * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
        Replace i387 with 'i386 compiler' in -mfpmath=sse option.

2005-01-04  Roger Sayle  <roger@eyesopen.com>

        * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
        if deleting the then-block allows the test-block to fallthru to the
        else-block.

2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>

        PR c/19152
        * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
        after the full declaration if the are in two different TUs.

2005-01-04  Richard Henderson  <rth@redhat.com>

        PR tree-opt/19158
        * tree-sra.c (generate_one_element_init): Just
        call gimplify_and_add.
        (generate_element_init): Record the
        new referenced variables and mark them for renaming
        and split out to ...
        (generate_element_init_1): This.
        (scalarize_init): Don't call push_gimplify_context/
        pop_gimplify_context.

2005-01-04  Geoffrey Keating  <geoffk@apple.com>

        * toplev.c (get_src_pwd): Handle failure of getpwd().

2005-01-04  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold_single_bit_test): Delete unreachable handling
        of TRUTH_NOT_EXPR.
        (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
        all the cases handled by it are inverted by invert_truthvalue.

2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
        (save_register_windowsi): Likewise.

2005-01-04  Richard Henderson  <rth@redhat.com>

        * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.

2005-01-04  Uros Bizjak  <uros@kss-loka.si>

        PR middle-end/17767
        * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
        any simplifications of vector mode comparison operators.
        * simplify-rtx.c (simplify_relational_operation): Fix variable name.

2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
            Devang Patel  <dpatel@apple.com>

        PR tree-optimization/18308
        * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
        the operands before creating a new expression.
        * dojump.c (do_jump): Make drop_through_label available
        for all cases.  Add expansion of COND_EXPR.

2005-01-04  Ira Rosen  <irar@il.ibm.com>

        * tree-vectorizer.c (vect_analyze_offset_expr): Test for
        INTEGER_CST instead of TREE_CONSTANT.
        (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
        instead of TREE_CONSTANT.
        (vect_analyze_pointer_ref_access): Test for INTEGER_CST
        instead of TREE_CONSTANT.

2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * tree-eh.c (replace_goto_queue): Return early if the queue is empty.

2005-01-04  Uros Bizjak  <uros@kss-loka.si>

        PR target/19240
        * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
        (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).

2005-01-03  Richard Henderson  <rth@redhat.com>

        * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
        (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
        fold_convert_const_real_from_real): Split out from ...
        (fold_convert_const): ... here.

2005-01-03  Richard Henderson  <rth@redhat.com>

        PR target/19235
        * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
        (mov<MMXMODEI>_internal): Likewise.
        (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
        Add V2SF case; use it for SSE1; don't use TI.
        (movdf_integer): Likewise.
        (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.

2005-01-03  Ira Rosen  <irar@il.ibm.com>

        * tree-vectorizer.c (vect_strip_conversions): New function.
        (vect_analyze_offset_expr): Call vect_strip_conversions. Add
        check for binary class.

2005-01-03  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR debug/17924
        Fix PR debug/19191
        * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
        is a decl.
        * gimple-low.c (mark_blocks_with_used_vars): New function.
        (mark_blocks_with_used_subblocks): Ditto.
        (mark_used_blocks): Ditto.
        (pass_mark_used_blocks): New pass.
        * tree-inline.c: Include debug.h.
        (expand_call_inline): Call outlining_inline_function here.
        * tree-optimize.c (init_tree_optimization_passes): Add
        pass_mark_used_blocks.
        * tree-pass.h (pass_mark_used_blocks): New.
        * Makefile.in (tree-inline.o): Add debug.h dependency.

2005-01-03  Geoffrey Keating  <geoffk@apple.com>

        * config/darwin.c (darwin_handle_weak_import_attribute): Permit
        VAR_DECLs to have weak_import attribute.

        * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
        'struct ucontext'.

2004-01-03  Steven Bosscher  <stevenb@suse.de>

        * passes.c (rest_of_compilation): Don't run regmove if only
        flag_expensive_optimizations, require flag_regmove instead.

2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
        register "sparc".
        * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
        * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
        * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
        * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.

2005-01-03  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
        (ia64_const_ok_for_letter_p): New.
        (ia64_const_double_ok_for_letter_p): New.
        (ia64_extra_constraint): New.
        (ia64_expand_vecint_compare): New.
        (ia64_expand_vcondu_v2si): New.
        (ia64_expand_vecint_cmov): New.
        (ia64_expand_vecint_minmax): New.
        (ia64_print_operand): Add 'v'.
        (ia64_preferred_reload_class): New.
        (ia64_vector_mode_supported_p): New.
        * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
        (PREFERRED_RELOAD_CLASS): Move to function.
        (CONST_OK_FOR_LETTER_P): Move to function.
        (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
        (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
        (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
        (EXTRA_CONSTRAINT): Move to function.
        * config/ia64/ia64.md: Include vect.md.
        (itanium_class): Add mmalua.
        (type): Handle it.
        * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
        (1b_mmalua): New.
        * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
        * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
        CONST0_RTX.
        (const_int_2bit_operand): New.
        (fr_reg_or_0_operand): New.
        * config/ia64/ia64-modes.def: Add vector modes.
        * config/ia64/ia64-protos.h: Update.
        * config/ia64/vect.md: New file.

2005-01-03  Richard Henderson  <rth@redhat.com>

        * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.

2005-01-03  Uros Bizjak  <uros@kss-loka.si>

        PR target/19236
        * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
        to SFmode.
        (log1pdf2): Change mode of operands[0,1] to DFmode.

2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
        * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
        * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
        * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
        SPARC_RELAXED_ORDERING.

2005-01-03  Richard Henderson  <rth@redhat.com>
            Uros Bizjak  <uros@kss-loka.si>

        PR target/14631
        * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
        IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
        * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
        handling.
        (*mmx_pinsrw, *sse2_pinsrw): New patterns.
        * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
        const_pow2_1_to_128_operand): New predicates.

2005-01-02  Greg McGary  <greg@mcgary.org>

        * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
        anonymous decls.
        (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
        object.  [ptr_type]: Remove unused variable.
        Remember nearest addressable array-element or record-component
        when checking bitfield components.  Tolerate empty BIND_EXPR.

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

        * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
        that don't narrow the value.  Fail for other conversions.

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

        PR c/19031
        * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
        * c-lang.c (finish_file): Don't do it here.
        * objc/objc-act.c (objc_finish_file): Likewise.

        * cgraph.c (decl_assembler_name_equal): New.
        (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
        (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
        * cgraph.h (struct cgraph_varpool_node): Add next.
        (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
        * varasm.c (assemble_alias): Mark the target as needed.

2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/19221
        * function.c (get_arg_pointer_save_area): Use entry_of_function
        instead of get_insns.

2005-01-01  Roger Sayle  <roger@eyesopen.com>
            Andrew Pinski  <pinskia@physics.uc.edu>
            James E. Wilson  <wilson@specifixinc.com>

        PR rtl-optimization/12092
        * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
        is zero.

2005-01-01  Roger Sayle  <roger@eyesopen.com>
            Olivier Hainque  <hainque@act-europe.fr>

        * tree.c (int_fits_type_p): A narrower type always fits in a
        wider one, except for negative values into unsigned types.

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

        * tree.c (int_fits_type_p): Compare the result of force_fit_type
        with the original constant rather than require TREE_OVERFLOW.

2005-01-01  Steven Bosscher  <stevenb@suse.de>

        PR middle-end/17544
        * c-decl.c (finish_function): If compiling C99, annotate the
        compiler generated return with the current file name and line 0.
        * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
        the source line is greater than 0.
        (remove_bb): Likewise.