2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>

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

2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/19055
        * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".

2005-07-21  Paolo Bonzini  <bonzini@gnu.org>

        * common.opt (-fforward-propagate): Committed by mistake,
        removed.

2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * reg-stack.c: Fix comment typo(s).
        * tree-ssa-operands.c: Likewise.
        * tree-vectorizer: Likewise.

2005-07-21  Nick Clifton  <nickc@redhat.com>

        * config/sh/symbian.c: Replace C++ style line comments with C
        style line comments.
        (symbian_add_attribute): Do not use a ? operator on the LHS of
        an assignment.
        (sh_symbian_handle_dll_attribute): Change the type of the
        method vector to "VEC(tree,gc)*" and use vector accessor
        macros to walk over the elements.
        (symbian_export_vtable_and_rtti_p): Likewise.
        (symbian_class_needs_attribute_p): Likewise.

2005-07-21  Paolo Bonzini  <bonzini@gnu.org>

        PR target/22085
        * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
        initialize targetm.resolve_overloaded_builtin here.
        (altivec_expand_overloaded_builtin): Make it non-static.
        * config/rs6000/rs6000-protos.h
        (altivec_expand_overloaded_builtin): New prototype.
        * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
        targetm.resolve_overloaded_builtin here.
        * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.

2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
            Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/19210
        * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
        New.
        * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
        * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
        rely on unproven assumptions.
        * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
        * tree-flow.h (number_of_iterations_exit): Add final parameter.
        * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
        to number_of_iterations_exit.
        * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
        * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
        * tree-ssa-loop-niter.c (find_loop_niter,
        estimate_numbers_of_iterations_loop): Likewise.
        (number_of_iterations_exit): Honor the new options.
        * doc/invoke.texi (Wunsafe-loop-optimizations,
        funsafe-loop-optimizations): Document them.

2005-07-21  Richard Sandiford  <richard@codesourcery.com>

        PR rtl-optimization/22167
        * gcse.c (hoist_code): Fix hoist_exprs[] check.

2005-07-20  Adam Nemet  <anemet@lnxw.com>

        * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
        __do_global_dtors_aux longcall.

2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>

        * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
        (old_special_pred_table): Don't reference
        SPECIAL_MODE_PREDICATES.
        * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
        * config/arc/arc.h: Don't mention PREDICATE_CODES.
        * config/sh/predicates.h: Don't mention
        SPECIAL_MODE_PREDICATES.
        * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
        Remove.

2005-07-20  DJ Delorie  <dj@redhat.com>

        * config.gcc: Add m32c-elf support.

        * doc/contrib.texi: Mention m32c.
        * doc/extend.texi: Document m32c extensions.
        * doc/install.texi: Mention m32c.
        * doc/invoke.texi: Document m32c options.
        * doc/md.texi: Document m32c constraints.

        * config/m32c/addsub.md: New file.
        * config/m32c/bitops.md: New file.
        * config/m32c/cond.md: New file.
        * config/m32c/jump.md: New file.
        * config/m32c/m32c-lib1.S: New file.
        * config/m32c/m32c-lib2.c: New file.
        * config/m32c/m32c-modes.def: New file.
        * config/m32c/m32c-pragma.c: New file.
        * config/m32c/m32c-protos.h: New file.
        * config/m32c/m32c.abi: New file.
        * config/m32c/m32c.c: New file.
        * config/m32c/m32c.h: New file.
        * config/m32c/m32c.md: New file.
        * config/m32c/m32c.opt: New file.
        * config/m32c/minmax.md: New file.
        * config/m32c/mov.md: New file.
        * config/m32c/muldiv.md: New file.
        * config/m32c/predicates.md: New file.
        * config/m32c/prologue.md: New file.
        * config/m32c/shift.md: New file.
        * config/m32c/t-m32c: New file.

2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
        (stack_protect_set, stack_protect_test): New expanders.
        (stack_protect_set_si, stack_protect_set_si_media,
        stack_protect_set_di_media, stack_protect_test_si,
        stack_protect_test_si_media, stack_protect_test_di_media):
        New insns.

2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>

        * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.

2005-07-20  James A. Morrison  <phython@gcc.gnu.org>

        * tree.h (tree_expr_nonzero_p): Export.
        * fold-const.c (tree_expr_nonzero_p): Likewise.
        Return true for CALL_EXPRs that are alloca calls.
        (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
        against zero.
        * tree-flow.h (expr_computes_nonzero): Remove.
        * tree-vrp.c (expr_computes_nonzero): Remove.
        (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
        (extract_range_from_unary_expr): Likewise.
        * tree-ssa-dom.c (record_equivalences_from_stmt): Use
        tree_expr_nonzero_p.

2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
        * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
        extra arg "picreg" and use it instead of pic_offset_table_rtx.
        All callers changed.
        (frame_related_constant_load): New arg "related" which controls
        setting of RTX_FRAME_RELATED_P.  All callers changed.
        (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
        (bfin_expand_prologue): Add stack limit checking.
        * config/bfin/bfin.md (trapifcc): New pattern.

        * config/bfin/bfin.c: Include "langhooks.h".
        (def_builtin): Go through lang_hooks to call builtin_function.

        * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
        * config/bfin/predicates.md (symbol_ref_operand): New.
        (call_insn_operand): Delete.  All callers changed to use
        register_no_elim_operand.
        * config/bfin/bfin.c (init_cumulative_args): Initialize the new
        call_cookie field.
        (function_arg): Use it to generate the call's operand 2.
        (bfin_longcall_p): New function.
        (bfin_expand_call): Extra arg "cookie".  All callers and declaration
        changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
        determine if the address needs to be in a REG.
        (bfin_handle_longcall_attribute): New function.
        (bfin_attribute_table): Add "longcall" and "shortcall".
        * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
        (CUMULATIVE_ARGS): New member call_cookie.
        (PREDICATE_CODES): Add symbol_ref_operand.
        * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
        extra USE to the pattern.
        (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
        New patterns, split off call_insn, sibcall_insn, call_value_insn and
        sibcall_value_insn; now the new patterns handle direct calls and the
        old ones indirect calls.
        * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.

2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>

        * doc/trouble.texi: Update section on handling of empty loops.

2005-07-20  Kazu Hirata  <kazu@codesourcery.com>

        * config.gcc: Remove support for sparc-*-openbsd*,
        i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
        ns32k-*-netbsd*.
        * config.host: Remove support for i860-*-sysv4* as a host.
        * config/i860/*, config/ip2k/*, config/ns32k/*,
        config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
        * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
        mention obsolete ports.

2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
        soft frame pointer.
        (sh_expand_prologue): Use hard_frame_pointer_rtx instead
        of frame_pointer_rtx.
        (sh_expand_epilogue): Likewise.
        (sh_set_return_address): Likewise.
        (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
        instead of FRAME_POINTER_REGNUM if needed.  Add elimination
        offsets from FRAME_POINTER_REGNUM.
        * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
        (sh_register_names): Add initializer for sfp.
        (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
        (VALID_REGISTER_P): Likewise.
        (FIRST_PSEUDO_REGISTER): Update.
        (DWARF_FRAME_REGISTERS): Define.
        (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
        (HARD_FRAME_POINTER_REGNUM): Define.
        (FRAME_POINTER_REGNUM): Redefine.
        (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
        but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
        from FRAME_POINTER_REGNUM.
        (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
        FRAME_POINTER_REGNUM.
        (REG_CLASS_CONTENTS): Add sfp.
        (REG_ALLOC_ORDER): Likewise.
        (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
        (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
        of frame_pointer_rtx.
        (LEGITIMIZE_RELOAD_ADDRESS): Likewise.

2005-07-19  James A. Morrison  <phython@gcc.gnu.org>

        * fold-const.c (tree_expr_nonnegative_p): Only return true for
        ABS_EXPR when flag_wrapv is false because of INT_MIN.
        (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
        of an ABS_EXPR.
        (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
        ABS_EXPR<x>.

2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>

        Make CONSTRUCTOR use VEC to store initializers.
        * c-common.c (complete_array_type): Update to cope with VEC in
        CONSTRUCTOR_ELTS.
        * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
        (pp_c_constructor_elts): New function.
        * c-pretty-print.h (pp_c_constructor_elts): Declare.
        * c-typeck.c (build_function_call, build_c_cast, digest_init,
        struct constructor_stack, struct initializer_stack,
        constructor_elements, push_init_level, pop_init_level,
        add_pending_init, find_init_member, output_init_element): Update to
        cope with VEC in CONSTRUCTOR_ELTS.
        * coverage.c (build_fn_info_value, build_ctr_info_value,
        build_gcov_info): Likewise.
        * expr.c (categorize_ctor_elements_1, store_constructor,
        expand_expr_real_1): Likewise.
        * fold-const.c (fold_ternary): Likewise.
        * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
        gimplify_init_constructor, gimplify_expr): Likewise.
        * tree-dump.c (dequeue_and_dump): Likewise.
        * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
        node.
        * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
        CONSTRUCTOR_ELTS.
        * tree-sra.c (generate_element_init_1): Likewise.
        * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
        * tree-ssa-operands.c (get_expr_operands): Likewise.
        * tree-vect-generic.c (expand_vector_piecewise): Likewise.
        * tree-vect-transform.c (vect_get_vec_def_for_operand):
        (get_initial_def_for_reduction): Likewise.
        * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
        value handle in annotations.
        * tree.c (tree_node_kind, tree_code_size, make_node_stat,
        tree_node_structure): Add support for constr_kind.
        (build_vector_from_ctor, build_constructor_single,
        build_constructor_from_list): New functions.
        (build_constructor): Update to take a VEC instead of a TREE_LIST.
        (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
        Update to cope with VEC in CONSTRUCTOR_ELTS.
        * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
        * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
        CONSTRUCTOR_APPEND_ELT): New macros.
        (struct constructor_elt, struct tree_constructor): New data types.
        (union tree_node): Add tree_constructor field.
        * treestruct.def: Define TS_CONSTRUCTOR.
        * varasm.c (const_hash_1, compare_constant, copy_constant,
        compute_reloc_for_constant, output_addressed_constants,
        initializer_constant_valid_p, output_constant,
        array_size_for_constructor, output_constructor): Update to cope with
        VEC in CONSTRUCTOR_ELTS.
        * vec.h (VEC_empty, VEC_copy): New macros.

2005-07-19  Devang Patel  <dpatel@apple.com>

        * dbxout.c (dbxout_type): Check Objective-C++ lang.
        
2005-07-19  Richard Henderson  <rth@redhat.com>

        PR tree-opt/22278
        * gimplify.c (gimplify_expr): Use main variant type for the temp
        destination for a discarded volatile read.
        * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
        casts between non-void types that change volatility.

2005-07-15  DJ Delorie  <dj@redhat.com>

        * toplev.h: Add comment about the first parameter for warning().
        * errors.h: Likewise.

        * c.opt (Wpragmas): New.
        * doc/invoke.texi: Document it.
        
        * function.c (do_warn_unused_parameter): Add warning control to
        warning call.
        * c-decl.c (warn_if_shadowing): Likewise.
        * c-lex.c (cb_def_pragma): Likewise.
        * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
        (pop_alignment): Likewise.
        (handle_pragma_pack): Likewise.
        (apply_pragma_weak): Likewise.
        (handle_pragma_weak): Likewise.
        (handle_pragma_redefine_extname): Likewise.
        (add_to_renaming_pragma_list): Likewise.
        (handle_pragma_extern_prefix): Likewise.
        (maybe_apply_renaming_pragma): Likewise.
        (handle_pragma_visibility): Likewise.
        
        * config/c4x/c4x-c.c (BAD): Likewise.
        (c4x_parse_pragma): Likewise.
        * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
        * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
        (rs6000_pragma_longcall): Likewise.
        * config/v850/v850-c.c (pop_data_area): Likewise.
        (ghs_pragma_section): Likewise.
        (ghs_pragma_section): Likewise.
        (ghs_pragma_interrupt): Likewise.
        (ghs_pragma_starttda): Likewise.
        (ghs_pragma_startsda): Likewise.
        (ghs_pragma_startzda): Likewise.
        (ghs_pragma_endtda): Likewise.
        (ghs_pragma_endsda): Likewise.
        (ghs_pragma_endzda): Likewise.

2005-07-19  Danny Berlin <dberlin@dberlin.org>
            Kenneth Zadeck <zadeck@naturalbridge.com>

        * Makefile.in: Removed tree-promote-statics.c
        * tree-promote-statics.c: Removed.
        * common.opt: Removed flag-promote-statics.
        * opts.c: Ditto.
        * passes.c: Removed tree-promote-statics pass. 
        * tree-pass.h: Ditto.
        * timevar.def: Removed TV_PROMOTE_STATICS.


2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>

        * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
        and *-*-freebsd9.
        * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
        
2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        PR c/22476
        * c-common.c (check_function_arguments): Call
        'check_function_format' if either -Wformat or
        -Wmissing-format-attribute are specified.
        * c-format.c (check_function_format): Check -Wformat before
        calling 'check_format_info'.
        * c-opts.c (c_common_post_options): Don't warn for
        -Wmissing-format-attribute without -Wformat.
        * c-typeck.c (convert_for_assignment): Detect additional cases for
        -Wmissing-format-attribute.
        * doc/invoke.texi (-Wmissing-format-attribute): Document new
        behavior.

2005-07-19  Richard Guenther  <rguenther@suse.de>

        * config/i386/i386.md (lrint<mode>2): Use temporary
        instead of clobbering non-existent memory.

2005-07-19  Nick Clifton  <nickc@redhat.com>

        * config/avr/avr.c (legitimate_address_p): Fix debugging print
        statement to avoid displaying ASCII control characters.

2005-07-19  Ben Elliston  <bje@au.ibm.com>

        * bt-load.c (link_btr_uses): Fix uninitialised warnings.
        * cfganal.c (find_edge_index): Ditto.
        * combine.c (combine_instructions): Ditto.
        * ddg.c (create_scc): Ditto.
        (find_successors): Ditto.
        (find_predecessors): Ditto.
        (find_nodes_on_paths): Ditto.
        (longest_simple_path): Ditto.
        * flow.c (update_life_info): Ditto.
        (count_or_remove_death_notes): Ditto.
        (clear_log_links): Ditto.
        * modulo-sched.c (generate_reg_moves): Ditto.
        (find_max_asap): Ditto.
        (find_max_hv_min_mob): Ditto.
        (find_max_dv_min_mob): Ditto.
        * sbitmap.c (sbitmap_first_set_bit): Ditto.
        * sched-rgn.c (extract_edgelst): Ditto.
        * tree-into-ssa.c (prepare_names_to_update): Ditto.
        (dump_update_ssa): Ditto.
        (ssa_names_to_replace) Ditto.
        (switch_virtuals_to_full_rewrite): Ditto.
        (update_ssa): Ditto.
        * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.

2005-07-18  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/22483
        
        * tree-complex.c (create_components): Use
        safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
        * tree-flow-inline.h (fill_referenced_var_vec): New function.
        * tree-flow.h (safe_referenced_var_iterator): New structure.
        (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
        * tree-ssa-alias.c (setup_pointers_and_addressables): Use
        safe_referenced_var iterator.
        (add_type_alias): Ditto.

2005-07-19  Steven Bosscher  <stevenb@suse.de>

        * loop-init.c (rest_of_handle_loop2): Remove.
        (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
        rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
        (pass_rtl_loop_init, pass_rtl_loop_done,
        pass_rtl_move_loop_invariants, pass_rtl_unswitch,
        pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
        * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
        pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
        pass_tree_loop_done, and pass_tree_unswitch.
        (gate_loop): Rename to gate_tree_loop.
        * passes.c (init_optimization_passes): Update for renamed tree
        loop passes.  Add the new loop2 passes as subpasses of loop2.
        * tree-pass.h: Add extern declarations for the new loop2 subpasses.
        Update for the renamed tree loop passes.

2005-07-18  Ian Lance Taylor  <ian@airs.com>

        PR middle-end/22057
        * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
        blocks when optimizing.

2005-07-18  Steve Ellcey  <sje@cup.hp.com>

        * common.opt (frename-registers): Initialize to 2.
        (fweb): Ditto.
        (fgcse-after-reload): Ditto.
        * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
        (process_options): Only change flag_web, flag_rename_registers,
        and flag_rerun_cse_after_loop if not explicitly set by user.

2005-07-18  Jan Beulich  <jbeulich@novell.com>

        * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
        ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
        in 64-bit mode the same as DImode in 32-bit mode.
        (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
        ix86_split_lshr): Likewise. Rename to no longer refer to a specific
        mode. Add new mode parameter. 
        * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
        * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
        x86_64_shift_adj): New expanders.
        (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
        *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
        insns.
        Respective new splitters. Use renamed shift splitter helpers in 32-bit
        DImode shift splitters.
        * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
        ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
        mode parameter.

2005-07-18  Jan Beulich  <jbeulich@novell.com>

        * i386.md (movdi_extzv_1): New.
        (zero_extendhidi2): Combine alternatives and never force use of
        REX64 prefix.
        (zero_extendqidi2): Likewise. Don't restrict input selection.

2005-07-17  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/22531
        * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
         moment.

2005-07-17  Daniel Berlin  <dberlin@dberlin.org>

        * tree-promote-statics.c (pass_promote_statics): Change dump file
         name.

2005-07-17  Daniel Berlin  <dberlin@dberlin.org>

        * tree-optimize.c (init_tree_optimization_passes): Add
        pass_eliminate_useless_stores pass.
        * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
        * tree-ssa-pre.c (is_copy_stmt): New function.
        (follow_copies_till_vuse): Ditto.
        (do_eustores): Ditto.
        (gate_eustores): Ditto. 
        
2005-07-16  Richard Henderson  <rth@redhat.com>

        * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.

2005-07-16 Danny Berlin <dberlin@dberlin.org>
           Kenneth Zadeck <zadeck@naturalbridge.com>

        * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
        ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
        ipa-type-escape.h, tree-promote-statics.c
        * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
        ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h, 
        tree-promote-statics.c: new files.
        * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
        nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
        int nonlocal_set_p, mark_constant_function): Deleted.
        (rest_of_handle_cfg): Removed call to mark_constant_function. 
        (nonoverlapping_component_refs_p): Added calls to support
        type based aliasing.    
        * tree-ssa-alias.c (may_alias_p,
        compute_flow_insensitive_aliasing): Ditto.
        * calls.c (flags_from_decl_or_type): Removed reference to
        cgraph_rtl_info. 
        * c-typeck.c (convert_arguments): Make builtins tolerant of having
        too many arguments.  This is necessary for Spec 2000.
        * cgraph.h (const_function, pure_function): Removed.
        * common.opt: Added "fipa-pure-const", "fipa-reference",  
        "fipa-type-escape", and "ftree-promote-static".
        * opts.c: Ditto.
        * passes.c: Added ipa and tree-promote-statics passes. 
        * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
        TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
        * tree-dfa.c (referenced_var_lookup_if_exists): New function.
        * tree-flow.h: Added exposed sra calls and addition of 
        reference_vars_info field for FUNCTION_DECLS.
        * tree-pass.h: Added passes.
        * tree-sra.c: (sra_init_cache): New function.
        (sra_insert_before, sra_insert_after) Made public.
        (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
        and made public.
        * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
        aliasing. (may_alias_p): Added code to use type escape analysis to
        improve alias sets.
        * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
        code to prune clobbers of static variables based on information
        produced in ipa-reference pass.  Changed call clobbering so that
        statics are not marked as clobbered if the call does not clobber
        them.

2005-07-16  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
        too.

2005-07-16  Eric Botcazou <ebotcazou@libertysurf.fr>

        * doc/install.texi (*-*-solaris2*): Document recommended version
        of GNU binutils and mention GNU linker problem on Solaris 10.

2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/22421
        * c-decl.c (c_build_bitfield_integer_type): New function.
        (finish_struct): Call it.
        * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.

2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * c-typeck.c (digest_init): Call 'convert_for_assignment'
        before returning.

2005-07-16  Jan Hubicka  <jh@suse.cz>

        * cfg.c (update_bb_profile_for_threading): Fix profile updating.
        (scale_bbs_frequencies_int): Watch roundoff errors.
        * predict.c (return_prediction): Initialize return_stmt.

2005-07-16  Jan Hubicka  <jh@suse.cz>

        * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
        after RTL profiling.

2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/22398
        * fold-const.c (build_range_check): Convert high/low to etype
        if we are only comparing against exp.

2005-07-13  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/22376
        * tree-ssa-structalias.c (build_constraint_graph): We really meant
        special var here.
        (need_to_solve): New function.
        (compute_points_to_sets): Use it.
        
2005-07-15  Jan Hubicka  <jh@suse.cz>

        * cfg.c (update_bb_profile_for_threading): More diagnostic.
        * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.

2005-07-15  Richard Guenther  <rguenther@suse.de>

        * c-common.c (handle_flatten_attribute): New function.
        Add flatten function attribute.
        * doc/extend.texi: Document flatten function attribute.
        * Makefile.in (ipa-inline.o): Depend on hashtab.h.
        * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
        New functions.
        (cgraph_decide_inlining): Handle functions with flatten
        attribute.

2005-07-14  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
        UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
        UNSPEC_XCHG, UNSPEC_AND): New.
        (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
        UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
        * config/rs6000/sync.md (FETCHOP): New code macro.
        (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
        New code attrs.
        (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
        (sync_compare_and_swap<mode>): Same.
        (sync_lock_test_and_set<mode>): Same.
        (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
        for QImode and HImode, and not PPC405.
        (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
        (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
        (sync_<fetchop>{si,di}_internal): New.
        (sync_nand{si,di}_internal): New.
        (sync_old_<fetchop>{si,di}_internal): New.
        (sync_old_nand{si,di}_internal): New
        (sync_new_<fetchop>{si,di}_internal): New.
        (sync_new_nand{si,di}_internal): New.
        (atomic_and{si,di}): New.
        (sync_new_nand{si,di}_internal): New.
        (atomic_and{si,di}): New.
        (sync_add<mode>_internal): Delete.
        (sync_addshort_internal): Use unspec instead of unspec_volatile.
        (sync_sub<mode>_internal): Delte.
        (sync_subshort_internal): New.
        (sync_andsi_internal): Use unspec instead of unspec_volatile.
        (sync_anddi_internal): Delete.
        (sync_boolsi_internal): Use unspec instead of unspec_volatile.
        (sync_booldi_internal): Delete.
        (sync_boolc<mode>_internal): Delete.
        (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
        (sync_boolc<mode>_internal2): Delete.
        (sync_boolcc<mode>_internal): Delete.
        (isync, lwsync): Use unspec instead of unspec_volatile.
        * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
        Revert UNSPEC_VOLATILE.
        (rs6000_split_atomic_op): New.
        * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.

2005-07-14  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips.c (mips_canonicalize_comparison): Cast
        argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.

2005-07-14  Eric Christopher  <echristo@redhat.com>

        * config/s390/t-tpf (SHLIB_MAPFILES): Remove.

2005-07-14  Steven Bosscher  <stevenb@suse.de>

        PR tree-optimization/22230
        * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
        the computation of the four cross productions for "range op range".

2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
            Ulrich Weigand  <uweigand@de.ibm.com>

        PR target/20126
        * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
        in some insn.

2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.

2005-07-14  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.

2005-07-14  Richard Guenther  <rguenther@suse.de>

        PR middle-end/22347
        * config/i386/i386-protos.h (ix86_function_value): Change
        prototype to match new target hook.
        * config/i386/i386.c (ix86_value_regno): Change prototype
        to take extra type argument.
        (TARGET_FUNCTION_VALUE): Define.
        (ix86_function_ok_for_sibcall): Pass extra argument to
        ix86_value_regno, check return slot rtx for exact match.
        (ix86_function_value): Take extra parameter.  Dispatch to
        ix86_value_regno with fndecl/fntype as provided.
        (ix86_value_regno): Handle extra type argument.
        * config/i386/i386.h (FUNCTION_VALUE): No longer define.

        * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
        * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
        * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
        * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
        * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.

2005-07-14  Richard Guenther  <rguenther@suse.de>

        * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
        * calls.c (expand_call): Pass fntype to hard_function_value.
        (emit_library_call_value_1): Likewise.
        * explow.c: Include target.h.
        (hard_function_value): Take extra argument, the fntype.
        Use new target hook for function_value.
        * expr.h (hard_function_value): Change prototype.
        * function.c (aggregate_value_p): Pass 0 as fntype to
        hard_function_value.
        (assign_parms): Use new target hook for function_value.
        Pass 0 as fntype to hard_function_value.
        (expand_function_end): Likewise.
        * reg-stack.c: Include target.h.
        (stack_result): Use new target hook for function_value.
        * target-def.h: New target hook function_value.
        * target.h: Likewise.
        * targhooks.c (default_function_value): New function.
        * targhooks.h (default_function_value): Declare.

2005-07-13  Ian Lance Taylor  <ian@airs.com>

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

2005-07-14  Jan Hubicka  <jh@suse.cz>

        * tree-dfa.c (dump_variable): Use default_def function.
        * tree-ssa-alias.c (dump_points_to_info): Likewise.
        * tree-ssa.c (verify_use): Likewise.
        * tree-ssanames.c (release_ssa_name): Likewise.
        * tree-tailcall.c (eliminate_tail_call): Likewise.
        (tree_optimize_tail_calls_1): Likewise.
        * tree-vrp.c (get_value_range): Likewise.

2005-07-14  Ben Elliston  <bje@au.ibm.com>

        * gcc.c (main): Compare language[0] with '*' when iterating over
        the infiles.

2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>

        * config/s390/s390.c: (s390_cc_modes_compatible): Move before
        "s390_emit_compare".  Add handling of CCZ1mode.
        (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
        (390_emit_compare): Use "s390_cc_modes_compatible" for mode
        checking.
        (s390_branch_condition_mask): Add CCZ1mode handling.
        * config/s390/s390.md: ("seq", "*seq"): New pattern.
        ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
        Use CCZ1mode instead of CCZmode.
        * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.

2006-07-13  Adrian Strae½tling  <straetling@de.ibm.com>

        * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
        pattern.
        ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.

2005-07-13  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips.c (mips_canonicalize_comparison): New.
        (mips_emit_int_relational): Use.

2005-07-13  Eric Christopher  <echristo@redhat.com>

        * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
        static extra parts.
        * config/s390/s390.md: Include tpf.md. Move tpf specific
        patterns...
        * config/s390/tpf.md: To here.
        * config/s390/s390.opt: Move tpf specific options...
        * config/s390/tpf.opt: to here. Add mmain option.
        * config/s390/tpf-unwind.h: Remove unnecessary defines.
        * config/s390/tpf.h: Rewrite.

2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>

        * doc/tm.texi: Remove @xref{Cross-profiling}.

2005-07-13  Jeff Law  <law@redhat.com>

        * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
        expressions, test their _DECL operands for pointer equality rather
        than using operand_equal_p.

2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>

        * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
        (TARGET_POSIX_IO): This.
        * config/darwin.h: Likewise.
        * config/freebsd.h: Likewise.
        * config/linux.h: Likewise.
        * config/lynx.h: Likewise.
        * config/netbsd.h: Likewise.
        * config/rs6000/linux64.h: Likewise.
        * config/rs6000/linux.h: Likewise.
        * config/s390/tpf.h: Likewise.
        * config/sh/embed-elf.h: Likewise.
        * config/sparc/linux64.h: Likewise.
        * config/sparc/linux.h: Likewise.
        * config/svr4.h: Likewise.
        * gcov-io.h: Likewise.

        * doc/tm.texi: Updated.

        * libgcov.c (create_file_directory): Defined only if
        TARGET_POSIX_IO is defined.
        (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
        is defined.

2005-07-13  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.

2005-07-13  David Edelsohn  <edelsohn@gnu.org>

        * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
        structure as argument.

2005-07-13  Paolo Bonzini  <bonzini@gnu.org>

        PR tree-optimization/21921
        * tree-iterator.c (tsi_link_before): Support the case when
        tsi_end_p (tsi) == true.

2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/22442
        * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
        correctly.

2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>

        PR rtl-optimization/20376
        * toplev.c (process_options): Enable -fweb and -frename-registers when
        unrolling.
        * doc/invoke.texi: Update the information about when -fweb and
        -frename-registers are enabled.

2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/21840
        * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
        if *rhs_p is not a SSA_NAME.

2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
        
        Fix PR tree-optimization/22422 
        * tree-ssa-structalias.c (struct variable_info): Add flag for
        special vars.
        (get_varinfo): Now a static function.
        (new_varinfo): init has_union and is_special_var to false.
        (solution_set_add): Check has_union.
        (do_da_constraint): Move temporary variable so it gets reset
        properly.
        Also check for special variable.
        (do_ds_constraint): Ditto.
        (do_sd_constraint): Ditto.
        (do_structure_copy): Check for special variable.
        (find_func_aliases): Ditto.
        (init_base_vars): Set special vars properly.    

2005-07-13  Jan Hubicka  <jh@suse.cz>

        * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
        do unit-at-a-time.

        * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
        (get_expr_operands): Fix thinko wrt flags and subvars.

        PR tree-optimize/22379
        * tree-inline.c (expand_call_inline): Do not output sorry in early
        inlining.

2005-07-12  Dale Johannesen  <dalej@apple.com>

        * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.

2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>

        PR bootstrap/21704
        * host-linux.h: Include limits.h.

2005-07-12  Dale Johannesen  <dalej@apple.com>

        * expr.c (compress_float_constant):  Add cost check.
        * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.

2005-07-12  Dale Johannesen  <dalej@apple.com>

        * gcc.target/i386/compress-float-sse.c:  New.
        * gcc.target/i386/compress-float-sse-pic.c:  New.
        * gcc.target/i386/compress-float-387.c:  New.
        * gcc.target/i386/compress-float-387-pic.c:  New.
        * gcc.dg/compress-float-ppc.c:  New.
        * gcc.dg/compress-float-ppc-pic.c:  New.

2005-07-12  Eric Christopher  <echristo@redhat.com>

        * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
        static extra parts.
        * config/s390/s390.md: Include tpf.md. Move tpf specific
        patterns...
        * config/s390/tpf.md: To here.
        * config/s390/s390.opt: Move tpf specific options...
        * config/s390/tpf.opt: to here. Add mmain option.
        * config/s390/tpf-unwind.h: Remove unnecessary defines.
        * config/s390/tpf.h: Rewrite.

2005-07-12  Eric Christopher  <echristo@redhat.com>

        * gcc.c (struct infile): Update comment for language.
        (main): Rewrite input file resetting code.

2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/22335
        * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
        requiring a cast in a non RHS of modify_expr.  Add a cast when required.
        (lookup_avail_expr): Use constant_boolean_node instead
        of boolean_false_node/boolean_true_node.

2005-07-12  Ben Elliston  <bje@au.ibm.com>

        * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
        and use it when printing num_edges.

2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>

        * doc/extend.texi (Blackfin Built-in Functions): New section.
        * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
        @opindex.

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

        * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
        s/cmpstrsi/cmpstrnsi
        (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
        'cmpstrnsi'.
        * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
        (init_optabs): Initialize cmpstrn_optab.
        * optabs.h: (enum insn_code cmpstrn_optab): Declare.
        * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
        * expr.c: (enum insn_code cmpstrn_optab): Declare.
        * config/i386/i386.md: s/cmpstr/cmpstrn
        * config/c4x/c4x.md: s/cmpstr/cmpstrn
        * doc/md.texi: Update documentation.

2005-07-11  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
        build_va_arg_indirect_ref.
        (alpha_gimplify_va_arg): Likewise.
        * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
        * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
        * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
        * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
        * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
        * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
        Likewise.
        * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.

2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
        * passes.c (init_optimization_passes): Add pass_empty_loop.
        * tree-pass.h (pass_empty_loop): Declare.
        * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
        try_remove_empty_loop, remove_empty_loops): New functions.
        * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
        * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.

2005-07-12  Peter Barada  <peter@the-baradas.com>

        PR middle-end/16719
        PR middle-end/18421
        * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
        in address registers.
        * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
        * config/m68k/m68k.md: Replace 's' with 'i' in 4th
        alternative of addsi3_5200.

2005-07-11  Ian Lance Taylor  <ian@airs.com>

        * config/mips/mips.md (ffs<mode>2): Remove.

2005-07-11  Ian Lance Taylor  <ian@airs.com>

        * doc/tree-ssa.texi (Cleanups): Improve description of
        TRY_FINALLY_EXPR.
        (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.

2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
        
        * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
        * tree.h (DECL_ARGUMENT_FLD): New macro.

2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
        
        Fix PR tree-optimization/22404

        * tree-ssa-structalias.c (create_variable_info_for): Use
        correct offset.

2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
        compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
        for second comparison operand.
        * config/bfin/predicates.md (reg_or_const_int_operand): New.

        * config/bfin/bfin.md (define_attr "type"): Add "sync".
        (define_insn_reservation "alu"): Likewise.
        (csync, ssync): Now of type sync.
        * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
        -mcsync-anomaly -mspecld-anomaly.
        * config/bfin/bfin.opt (mcsync): Remove.
        (mcsync-anomaly, mspecld-anomaly): Add.
        * config/bfin/bfin.c: Include "insn-codes.h".
        (bfin_reorg): Extend to handle the CSYNC anomaly as well.
        (TARGET_DEFAULT_TARGET_FLAGS): New.
        * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.

2005-07-11  Steven Bosscher  <stevenb@suse.de>

        * basic-block.h: Give the BB flags enum a name, bb_flags.
        Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
        * cfgcleanup.c (enum bb_flags): Remove here.
        (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
        (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
        (update_forwarder_flag): Likewise.
        (thread_jump): Likewise.
        (try_forward_edges): Likewise.
        (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
        forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
        reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.

2005-07-11  Richard Guenther  <rguenther@suse.de>

        * config/i386/i386.opt: New target option -msseregparm.
        * config/i386/i386.c (override_options): Error out for
        -msseregparm but no SSE support.
        (ix86_function_sseregparm): Check for global sseregparm.
        * doc/invoke.texi: Document -msseregparm.

2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>

        * config.gcc (m32r-*-linux*): Use the default extra_parts.
        (m32rle-*-linux*): Ditto.

2005-07-11  Jakub Jelinek  <jakub@redhat.com>

        * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
        instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
        bytes.

2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR middle-end/22239
        PR target/20126
        * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
        gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).

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

        * tree-ssa-structalias.c (struct variable_info): Heapify complex.
        (varmap): Heapify varmap.
        (constraints): Heapify constraints.
        (struct constraint_graph): Heapify succs and preds.
        (constraint_vec_find): Update for heapification.
        (constraint_set_union): Ditto.
        (insert_into_complex): Ditto.
        (constraint_edge_vec_find): Ditto.
        (erase_graph_self_edge): Ditto.
        (add_graph_edge): Ditto.
        (get_graph_weights): Ditto.
        (merge_graph_nodes): Ditto.
        (build_constraint_graph): Ditto.
        (topo_visit): Ditto.
        (solve_graph): Ditto.
        (create_variable_info_for): Ditto.
        (init_base_vars): Ditto.
        (delete_points_to_sets): Free graph, varmap, and complex constraints.
        (condese_varmap_nodes): Free complex vector.
        (clear_edges_for_node): Clear succs and preds vector.

2005-07-10  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-structalias.c (update_alias_info): Change counting of
        references to not include vdefs.
        
2005-07-10  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-alias.c (free_used_part_map): Add missing free.
        (up_insert): Ditto.

2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (pa_commutative_p): Make PLUS commutative when
        TARGET_NO_SPACE_REGS is true.

2005-07-09  Diego Novillo  <dnovillo@redhat.com>

        * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
        * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
        * tree-dfa.c (dump_subvars_for): New.
        (debug_subvars_for): New.
        (dump_variable): Show subvariables if VAR has them.
        * tree-flow-inline.h (get_subvar_at): New.
        (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
        * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
        Update all users.
        (struct subvar): Change fields offset and size to unsigned
        HOST_WIDE_INT.
        (dump_subvars_for): Declare.
        (debug_subvars_for): Declare.
        (get_subvar_at): Declare.
        (okay_component_ref_for_subvars): Change 2nd and 3rd argument
        to unsigned HOST_WIDE_INT *.
        (overlap_subvar): Likewise.
        * tree-gimple.c (is_gimple_reg): Always return false for
        SFTs and memory tags.
        * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
        Update all callers.
        * tree-ssa-alias.c: Include tree-ssa-structalias.h.
        (compute_may_aliases): Call compute_points_to_sets.
        (collect_points_to_info_for): Remove.
        (compute_points_to_and_addr_escape): Remove.
        (delete_alias_info): Call delete_points_to_sets.
        (compute_flow_sensitive_aliasing): If the call to
        find_what_p_points_to returns false, call set_pt_anything.
        (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
        (set_pt_anything): Clear pi->pt_vars.
        (set_pt_malloc): Remove.
        (merge_pointed_to_info): Remove.
        (add_pointed_to_expr): Remove.
        (add_pointed_to_var): Remove.
        (collect_points_to_info_r): Remove.
        (is_escape_site): Make extern.
        (create_sft): New.
        (create_overlap_variables_for): Call it.
        * tree-ssa-copy.c (merge_alias_info): Never merge
        flow-sensitive alias information.
        * tree-ssa-operands.c (get_expr_operands): Adjust variables
        offset and size to be unsigned HOST_WIDE_INT.
        (add_to_addressable_set): Rename from note_addressable.
        Set TREE_ADDRESSABLE as the variables are added to the set.
        Update all users.
        (add_stmt_operand): Do not try to micro-optimize unmodifiable
        operands into VUSEs when adding V_MAY_DEFs for members in an
        alias set.
        * tree-ssa-operands.h (add_to_addressable_set): Declare.
        * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
        (struct variable_info): Add bitfield is_heap_var.
        (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
        (new_var_info): Initialize is_heap_var.
        (get_constraint_for): Add HEAP variables to the symbol table.
        Mark them with is_heap_var.
        (update_alias_info): New.  Taken mostly from the old
        compute_points_to_and_addr_escape.
        (handle_ptr_arith): New.
        (find_func_aliases): Call update_alias_info.
        Call handle_ptr_info for tcc_binary expressions.
        Call mark_stmt_modified.
        (create_variable_info_for): If DECL has subvars, do not create
        variables for its subvars.  Always add all the fields.
        (set_uids_in_ptset): If the solution includes ANYOFFSET and
        SFTs, then add all the SFTs of the structure.
        If VI->DECL is an aggregate with subvariables, add the SFT at
        VI->OFFSET.
        (find_what_p_points_to): If VI is an artificial variable,
        translate to bitfields in SSA_NAME_PTR_INFO.
        If the solution is empty, set pi->pt_vars to NULL
        (init_base_vars): Create ANYOFFSET.
        (compute_points_to_sets): Rename from create_alias_vars.
        Make extern.
        (pass_build_pta): Remove.
        (delete_points_to_sets): Rename from delete_alias_vars.
        (pass_del_pta): Remove.
        * tree-ssa-structalias.h (struct alias_info): Move from
        tree-ssa-alias.h.
        (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
        NUM_REFERENCES_SET): Likewise.
        (compute_points_to_sets, delete_points_to_sets): Declare.

2005-07-09  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
        alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
        alpha_split_lock_test_and_set_12): New functions.
        * config/alpha/alpha-protos.h: Update.
        * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
        UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
        * config/alpha/sync.md (I12MODE): New.
        (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
        (sync_<fetchop_name><I48MODE>): Likewise.
        (sync_nand<I48MODE>): Likewise.
        (sync_old_<fetchop_name><I48MODE>): Likewise.
        (sync_new_<fetchop_name><I48MODE>): Likewise.
        (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
        (sync_compare_and_swap<I48MODE>): Likewise.
        (sync_lock_test_and_set<I48MODE>): Likewise.
        (sync_compare_and_swap<I12MODE>): New.
        (sync_compare_and_swap<I12MODE>_1): New.
        (sync_lock_test_and_set<I12MODE>): New.
        (sync_lock_test_and_set<I12MODE>_1): New.

2005-07-09  Diego Novillo  <dnovillo@redhat.com>

        PR 21356
        PR 22332
        * passes.c (execute_todo): Cleanup the CFG before updating SSA.

2005-07-09  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
        in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).

2005-07-09  Richard SAndiford  <richard@codesourcery.com>

        PR target/21656
        * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.

2005-07-08  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/sync.md (load_locked_<mode>): Use Z for
        memory_operand constraint.
        (store_conditional_<mode>): Same.
        (sync_compare_and_swap<mode>): Same.
        (sync_lock_test_and_set<mode>): Same.

2005-07-08  Hans-Peter Nilsson  <hp@axis.com>

        Rewrite PIC support to more closely model actual instructions.
        * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
        (cris_symbol): Remove prototypes for removed functions.
        (cris_pic_symbol_type_of, cris_valid_pic_const)
        (cris_expand_pic_call_address): Prototypes for new functions.
        * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
        variable.
        (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
        modifiers.
        <case ':'>: Add case for new punctuation character.
        <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
        emitting (extra) PIC modifier.
        <case UNSPEC>: Do not assert for PLT.
        (cris_initial_frame_pointer_offset, cris_simple_epilogue)
        (cris_expand_prologue, cris_expand_epilogue): Check
        for pic_offset_table_rtx usage instead of taking
        current_function_uses_pic_offset_table as the final word.
        (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
        Remove flag_pic difference.
        (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
        the moral equivalents of...
        (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
        functions.
        (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
        (cris_handle_option): Mark ARG as unused.
        (cris_expand_pic_call_address): New worker function for "call",
        "call_value".
        (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
        output PIC constructs here.
        (cris_output_addr_const_extra): Changes for emitting PIC modifiers
        as symbol-specific modifers, not whole or part of operands.
        * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
        (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
        constants and flag_pic.
        (CONSTANT_INDEX_P): Adjust for new functions.
        (enum cris_pic_symbol_type): New helper type.
        (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
        * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
        (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
        define_constants.
        ("movsi"): Emit actual instructions for GOT and relative access.
        ("*movsi_got_load"): New pattern to set up the register holding
        the GOT pointer.
        ("*movsi_internal"): Operand 1 is not a plain general_operand.
        Adjust FIXME for 'S'.
        <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
        Use "movs" for -fpic cases.
        ("addsi3"): Add alternative for 'S'; use adds.w when possible.
        ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
        ("call", "call_value"): Just call cris_expand_pic_call_address for
        PIC addresses.
        ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
        Remove special pattern.
        ("*expanded_call_side", "*expanded_call_value_side"): New
        patterns.
        (gotplt-to-plt, gotplt-to-plt-side-call)
        (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
        peephole2:s.
        * config/cris/cris/predicates.md
        ("cris_general_operand_or_gotless_symbol"): Remove unused
        predicate.
        ("cris_general_operand_or_symbol"): Adjust for new functions.

2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.

2005-07-08  Daniel Berlin  <dberlin@dberlin.org>

        * Makefile.in (TREE_H): Add treestruct.def.
        (c-decl.o): Add pointer-set.h
        * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
        visibility on regular DECL's.
        (merge_decls): Fix the copying of decl nodes of various types for
        the new structures.  Don't update RTL, section name, weak status,
        etc, on DECL's without RTL.     
        (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
        Don't check volatile on non-variable types.
        (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
        to check whether we have seen arguments.
        * c-objc-common.c (c_tree_printer): Reverse order of tests so that
        flag is checked before field (flag is common, field is not).    
        * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
        TS_DECL_COMMON could have an origin.
        (add_location_or_const_value_attribute): Don't check section name
        on non-var/function decls.
        (dwarf2out_var_location): Reverse order of tests.
        * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
        with DECL_WRTL_CHECK.
        * expmed.c (make_tree): rtl is now in decl_with_rtl.
        * fold-const.c (fold_binary): Don't check weakness on
        non-var/function decls.
        (tree_expr_nonzero_p): Ditto.
        (fold_checksum_tree): Use tree_decl_extra as sizeof
        buffer.
        * ggc-page.c (extra_order_size_table): Add sizes for
        tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
        tree_field_decl.
        * gimplify.c (gimplify_bind_expr): Only set
        DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
        * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
        without RTL.
        * langhooks-def.h (LANG_HOOK_INIT_TS): New.
        * langhooks.h (init_ts). New langhook.
        * passes.c (rest_of_decl_compilation): Reverse order of tests.
        * print-tree.c (print_node): Update to only print fields that
        exist in the structures the passed decl has.
        * toplev.c (wrapup_global_declarations): Don't reset
        DECL_DEFER_OUTPUT on DECL's that don't contain it.
        * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
        * tree-inline.c (remap_decl): Ditto.
        * tree-outof-ssa.c (create_temp): Reverse order of tests.
        * tree-pretty-print.c (print_declaration): Don't print
        DECL_REGISTER on things that don't contain it.
        * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
        non-var/function decls.
        * tree.c (tree_contains_struct): New structure.
        (init_priority_for_decl): New hashtable.
        (tree_int_map): New structure.
        (tree_int_map_eq): New function.
        (tree_int_map_marked_p): Ditto.
        (tree_int_map_hash): Ditto.
        (tree_map): Move to tree.h.
        (tree_map_eq): Externalize.
        (tree_map_hash): Ditto.
        (tree_map_marked_p): Ditto.
        (init_ttree): Set up tree_contains_struct and call langhook.
        (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
        (tree_code_size): Update for new structures.
        (tree_node_structure): Update for new structures.
        (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
        without the field.
        (copy_node_stat):  Copy init priority.
        (build_decl_stat): Ditto for visibility.
        (ts_enum_names): New.
        (tree_contains_struct_check_failed): New function.
        (decl_init_priority_lookup): Ditto.
        (decl_init_priority_insert): Ditto.
        * treestruct.def: New file.
        * tree.h (CODE_CONTAINS_STRUCT): New macro.
        (CONTAINS_STRUCT_CHECK): Ditto.
        (tree_contains_struct_check_failed): New prototype.
        (DECL_CHECK): Removed.
        (DECL_MINIMAL_CHECK): New.
        (DECL_COMMON_CHECK): Ditto.
        (DECL_WRTL_CHECK): Ditto.
        (DECL_NON_COMMON_CHECK): Ditto.
        (DECL_WITH_VIS_CHECK): Ditto.
        (VAR_OR_FUNCTION_DECL_P): Ditto
        (struct tree_decl_minimal): New structure.
        (struct tree_decl_common): Ditto.
        (struct tree_decl_with_rtl): Ditto.
        (struct tree_decl_with_vis): Ditto.
        (struct tree_decl_non_common): Ditto.
        (struct tree_field_decl): Ditto.
        (struct tree_parm_decl): Ditto.
        (struct tree_var_decl): Ditto.
        (struct tree_function_decl): Ditto.
        (struct tree_const_decl): Ditto.
        (struct tree_result_decl): Ditto.
        (union tree_node): Add new structures.
        * var-tracking.c (track_expr_p): Reverse order of tests.
        
        * doc/c-tree.texi: Add documentation on DECL node internal structure.

2005-07-08  Kazu Hirata  <kazu@codesourcery.com>

        * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
        * system.h: Poison FINALIZE_PIC.
        * doc/tm.texi (FINALIZE_PIC): Remove.

2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/22329
        * tree-ssa-propagate.c (fold_predicate_in): Convert the value
        to the correct type if we have a MODIFY_EXPR.

2005-07-08  Kazu Hirata  <kazu@codesourcery.com>

        PR tree-optimization/22360
        * tree.c (upper_bound_in_type): Fix calculations for casting
        to a non-wider signed type and casting a signed value to a
        wider unsigned type.
        (lower_bound_in_type): Fix calculations for casting to a
        non-wider signed type.

        PR tree-optimization/20139
        * tree-cfg.c (remove_bb): Check in_ssa_p before calling
        release_defs.
        * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
        fold_cond_expr_cond.
        * tree-ssanames.c (release_defs): Assert in_ssa_p.
        * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.

2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/22356
        * tree-complex.c (expand_complex_libcall): Produce
        REALPART_EXPR/IMAGPART_EXPR with the correct type.

2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>

        * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
        bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
        b" assert and inserted fastpath code for this case.
        (bitmap_ior): Removed "a != b" assert.

2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>

        * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
        (ENDFILE_SPEC): Likewise.
        * config/m32r/m32r.h (ASM_SPEC): Likewise.

        * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
        a large stack frame at epilogue.

2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>

        * final.c: Include sdbout.h when required.

2005-07-07  Geoffrey Keating  <geoffk@apple.com>

        * config.gcc (*-*-darwin*): Only one target-specific header file
        for generic darwin.
        (powerpc-*-darwin*): Add version-specific header files.
        * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
        * config.in: Regenerate.
        * configure: Regenerate.
        * gcc.c: Include xregex.h.
        (version_compare_spec_function): New.
        (spec_function): Add version-compare.
        (replace_outfile_spec_function): Reformat comment.
        (compare_version_strings): New.
        * config/darwin-c.c (version_as_macro): New.
        (builtin_define): New.
        (darwin_cpp_builtins): New.
        * config/darwin-protos.h (darwin_cpp_builtins): New.
        * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
        (LIB_SPEC): Make unconditional, update comment.
        (TARGET_C99_FUNCTIONS): Define.
        * config/darwin.opt: Sort.
        (mmacosx-version-min=): New.
        * config/darwin7.h: Delete.
        * config/darwin8.h: Delete.
        * config/i386/darwin.h (): Call darwin_cpp_builtins.
        * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
        (TARGET_C99_FUNCTIONS): Define.
        * config/rs6000/darwin7.h: New.
        * config/rs6000/darwin8.h: New.
        * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
        (-mmacosx-version-min): Document.

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

        * config/mips/mips.md (abs<mode>2) [GPR]: Remove.

2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>

        PR middle-end/22239
        * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.

2005-07-07  Khem Raj  <kraj@mvista.com>

        * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
        in bytes, not words.

2005-07-07  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
        DEFAULT_FUNCTION_ARG_PADDING to upward.

2005-07-07  Richard Henderson  <rth@redhat.com>

        * function.c (locate_and_pad_parm): Record parameter alignment in
        stack_alignment_needed.

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

        * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
        UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
        (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
        UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
        (define_attr "type"): Add isync, sync, load_l, store_c.
        * config/rs6000/sync.md (memory_barrier): Change to define_expand.
        Create scratch volatile MEM.
        (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
        sync.
        (load_locked_<mode>): New.
        (store_conditional_<mode>): New.
        (sync_compare_and_swap<mode>): Replace with splitter.
        (sync_lock_test_and_set<mode>): Replace with splitter.
        (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
        and UNSPECV_ISYNC.
        (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
        is ics.  Attribute isync.
        (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
        lwsync.
        * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
        and UNSPECV_SYNC_OP.
        (emit_unlikely_jump): New.
        (emit_load_locked): New.
        (emit_store_conditional): New.
        (rs6000_split_compare_and_swap): New.
        (rs6000_split_lock_test_and_set): New.
        (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
        TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
        * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
        rs6000_split_lock_test_and_set): Declare.
        * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
        mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
        store_c, isync, sync.

2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>

        * Makefile.in (echo_quoted_to_gtyp): New template for outputing
        filenames to gtyp-gen.h.
        (s-typ-gen): Use it in place of for loops.

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

        * hooks.c (hook_bool_rtx_int_false): New function.
        * hooks.h (hook_bool_rtx_int_false): Declare.
        * target-def.h (TARGET_COMMUTATIVE_P): Define.
        (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
        * target.h (struct gcc_target): Add commutative_p member.
        * targhooks.c (hook_bool_rtx_commutative_p): New function.
        * targhooks.h (hook_bool_rtx_commutative_p): Declare.
        * pa.c (TARGET_COMMUTATIVE_P): Redefine.
        (pa_commutative_p): New function.
        * jump.c (target.h): Include.
        (rtx_renumbered_equal_p): Use targetm.commutative_p.
        * doc/tm.texi: Document TARGET_COMMUTATIVE_P.

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

        * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
        (s390_expand_setmem): New.
        * config/s390/s390.c: Likewise. 
        (print_shift_count_operand): Truncate to 12 bits instead of 6.
        Adapt comments.
        * config/s390/s390.md: ("setmem<mode>"): Accept character as
        general_operand.  Call new function "s390_expand_setmem".
        ("clrmem_long", "*clrmem_long"): Rewrite to ...
        ("setmem_long", "*setmem_long"): ... this.

2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
        
        * config/s390/s390.c: (optimization_options): Enable
        TARGET_MVCLE at -Os.
        * doc/invoke.texi: Document changes in default behaviour.
        * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".

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

        * expr.c: (set_storage_via_setmem): Convert opchar to mode
        defined by back-end.

2005-07-07  Jakub Jelinek  <jakub@redhat.com>

        * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
        all sets in the pattern.
        * config/rs6000/rs6000.md (stack_protect_testsi,
        stack_protect_testdi): Likewise.

2005-07-06  Jeff Law  <law@redhat.com>

        * tree-vrp.c (simplify_using_ranges): Kill.
        (vrp_finalize): Remove call to simplify_using_ranges.
        (simplify_stmt_using_ranges): New function extracted from
        simplify_using_ranges.
        (simplify_div_or_mod_using_ranges): Likewise.
        (simplify_abs_using_ranges): Likewise.
        (simplify_cond_using_ranges): New function.
        * tree-flow.h (simplify_stmt_using_ranges): Prototype.
        * tree-ssa-propagate.c (substitute_and_fold): Call
        simplify_stmt_using_ranges if we have range information.

2005-07-06  James E. Wilson  <wilson@specifixinc.com>

        * config/ia64/ia64.c (ia64_reorg): Check optimize before
        ia64_flag_schedule_isns2.

        * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
        reading/writing general registers.
        (ia64_function_arg): Revert 2005-06-18 change.

2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>

        * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
        (legitimize_tls_address): Use gcc_unreachable instead of abort.

2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>

        * function.c (expand_function_end): Revert part of 2005-06-27
        patch.  Do sjlj_emit_function_exit_after after return_label.

2005-07-06  Kazu Hirata  <kazu@codesourcery.com>

        * doc/install.texi (--disable-libssp): New.

2005-07-06  Fariborz Jahanian <fjahanian@apple.com>

        * doc/invoke.texi: Update -fforce-mem documentation.
        * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove 
        code for -fforce-mem.
        * expmed.c: (store_bit_field,store_fixed_bit_field,
        extract_bit_field): Ditto.
        * expr.c: (convert_move): Ditto.
        * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
        expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
        emit_conditional_add,expand_float,expand_fix): Ditto.
        * opts.c: (decode_options): Remove setting of flag_force_mem flag.
        (common_handle_option): Issue warning when -fforce-mem specified.

2005-07-06  Paul Brook  <paul@codesourcery.com>

        * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
        argument is empty.
        * configure: Regenerate.

2005-07-06  J"orn Rennecke <joern.rennecke@st.com>

        * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.

2005-07-06  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/22319
        Fix PR tree-optimization/22140
        Fix PR tree-optimization/22310

        * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
        variable sized types.
        Use correct type for intermediate structure on *a = *b structure
        copies.
                
2005-07-06  Jakub Jelinek  <jakub@redhat.com>

        * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
        Remove.
        (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
        (machine_function): Move typedef to...
        * config/rs6000/rs6000.c (machine_function): ... here.  Add
        varargs_save_offset field.
        (rs6000_stack_t): Remove varargs_size field.
        (setup_incoming_varargs): Allocate varargs save area using
        assign_stack_local, try to make it as small as possible.
        Save offset from virtual_stack_vars_rtx to the save area
        in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
        instead of magic 8 when fp word byte size is used.
        (rs6000_va_start): Use cfun->machine->varargs_save_offset
        instead of -RS6000_VARARGS_SIZE.
        (rs6000_stack_info, debug_stack_info,
        rs6000_initial_elimination_offset): Remove all traces of
        varargs_size.
        * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
        * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
        RS6000_VARARGS_AREA.

2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/21963
        * tree-ssa-loop-ivopts.c (get_computation_aff): Use
        constant_multiple_of in the same way get_computation_cost_at does.

2005-07-06  Jakub Jelinek  <jakub@redhat.com>

        * config/sparc/sparc.h (sparc_compare_emitted): New extern.
        * config/sparc/sparc.c (sparc_compare_emitted): New variable.
        (gen_compare_reg): If sparc_compare_emitted is set, clear it
        and return its previous value.
        (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
        * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
        constants.
        (stack_protect_set, stack_protect_test): New expanders.
        (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
        stack_protect_testdi): New insns.
        * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
        * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.

2005-07-06  Jeff Law  <law@redhat.com>

        * tree-ssa-dce.c (cfg_altered): New global.
        (tree_dce_init): Initialize cfg_altered.
        (remove_dead_stmt): If we remove an edge in the CFG, then set
        CFG_ALTERED.
        (perform_tree_ssa_dce): If we altered the CFG, then invalidate
        the dominators.

2005-07-06  Kazu Hirata  <kazu@codesourcery.com>

        * Makefile.in (stamp-collect-ld): Use
        $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
        ./collect-ld if it already exists.
        (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
        Don't remove ./nm if it already exists.

2005-07-05  Devang Patel  <dpatel@apple.com>

        * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
        (LOOP_VINFO_LOC, LOOP_LOC): Remove.
        * tree-vectorizer.c (vect_loop_location): New.
        (vect_print_dump_info): Use vect_loop_location.
        (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
        (vectorize_loops): Set vect_loop_location.
        * tree-vect-analyze.c (vect_analyze_offset_expr, 
        vect_determin_vectorization_factor, vect_analyze_operations,
        vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
        vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
        vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
        vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
        vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
        vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
        vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
        vect_analyze_loop): Adjust vect_print_dump_info API.
        * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
        vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
        vect_finish_stmt_generation, vectorizable_assignment, 
        vectorizable_operation, vectorizable_store, vectorizable_load, 
        vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
        vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
        vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
        vect_transform_loop): Same.
        * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
        vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
        Same.

2005-07-05  Randolph Chung  <tausq@debian.org>

        * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
        * configure: Regenerate.
        * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
        (pa_tls_referenced_p): Declare.
        * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
        (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
        (legitimize_tls_address): New.
        (hppa_legitimize_address): Handle TLS addresses.
        (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
        (TARGET_CANNOT_FORCE_CONST_MEM): Define.
        (emit_move_sequence): Handle TLS addresses.
        (pa_encode_section_info): Call default handler to handle common 
        sections.
        * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
        (CONSTANT_ADDRESS_P): Reject TLS operands.
        (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
        * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
        (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
        (UNSPEC_TLSLE): Define new constants. 
        (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
        * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
        (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
        (tie_symbolic_operand, tle_symbolic_operand): New

2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>

        * aclocal.m4: Update macros for autoconf 2.59 style.
        * configure.ac: Likewise.

2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (function_value): Handle small aggregates on 32-bit targets.
        (function_arg): Pass small aggregates in general registers on 32-bit
        targets.
        * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.

2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>

        * Makefile.in (final.o): Fix dependencies.

2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/22013
        PR c/22098
        * langhooks.h (struct lang_hooks): Add expr_to_decl.
        * langhooks.c (lhd_expr_to_decl): New.
        * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
        New.
        (LANG_HOOKS_INITIALIZER): Update.
        * tree.c (recompute_tree_invarant_for_addr_expr): Call
        expr_to_decl langhook.
        * c-tree.h (c_expr_to_decl): Declare.
        * c-typeck.c (c_expr_to_decl): New.
        (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
        specially.
        * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.

2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/22308
        * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
        C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.

2005-07-05  Paolo Bonzini  <bonzini@gnu.org>

        * Makefile.in: Adjust dependencies.
        * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
        * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
        * alias.c (rest_of_handle_cfg, pass_cfg): New.
        * bb-reorder.c (duplicate_computed_gotos): Make it static.
        * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
        rest_of_compilation.

        * bb-reorder.c (gate_duplicate_computed_gotos,
        pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
        rest_of_handle_reorder_blocks, pass_reorder_blocks,
        gate_handle_partition_blocks, rest_of_handle_partition_blocks,
        pass_partition_blocks): New.
        * bt-load.c (gate_handle_branch_target_load_optimize,
        rest_of_handle_branch_target_load_optimize,
        pass_branch_target_load_optimize): New.
        * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
        pass_jump2): New.
        * cfglayout.c (pass_insn_locators_initialize): New.
        * cfgrtl.c (pass_free_cfg): New.
        * combine.c (gate_handle_combine, rest_of_handle_combine,
        pass_combine): New.
        * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
        gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
        * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
        * except.c (pass_set_nothrow_function_flags,
        pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
        pass_rtl_eh): New.
        * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
        rest_of_handle_shorten_branches, pass_shorten_branches,
        rest_of_clean_state, pass_clean_state): New.
        * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
        rest_of_handle_remove_death_notes, pass_remove_death_notes,
        rest_of_handle_life, pass_life, rest_of_handle_flow2,
        pass_flow2): New.
        * function.c (pass_instantiate_virtual_regs, pass_init_function,
        rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
        * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
        pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
        pass_gcse): New.
        * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
        * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
        pass_rtl_ifcvt, gate_handle_if_after_combine,
        rest_of_handle_if_after_combine, pass_if_after_combine,
        gate_handle_if_after_reload, rest_of_handle_if_after_reload,
        pass_if_after_reload): New.
        * integrate.c (pass_initial_value_sets): New.
        * jump.c (pass_cleanup_barriers, purge_line_number_notes,
        pass_purge_lineno_notes): New.
        * mode-switching.c (rest_of_handle_mode_switching,
        pass_mode_switching): New.
        * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
        * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
        pass_loop2): New.
        * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
        pass_loop_optimize): New.
        * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
        pass_sms): New.
        * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
        pass_gcse2): New.
        * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
        pass_postreload_cse): New.
        * profile.c (gate_handle_profiling, pass_profiling,
        rest_of_handle_branch_prob, pass_branch_prob): New.
        * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split, 
        pass_split_before_regstack, gate_handle_split_before_regstack,
        gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
        rest_of_handle_split_all_insns, pass_split_all_insns): New.
        * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
        pass_stack_regs): New.
        * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
        gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
        pass_stack_adjustments): New.
        * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
        pass_regrename): New.
        * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
        pass_delay_slots, gate_handle_machine_reorg,
        rest_of_handle_machine_reorg, pass_machine_reorg): New.
        * rtl.h (extern void purge_line_number_notes): New.
        * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
        gate_handle_sched2, rest_of_handle_sched2, pass_sched,
        pass_sched2): New.
        * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
        pass_tracer): New.
        * value-prof.c (gate_handle_value_profile_transformations,
        rest_of_handle_value_profile_transformations,
        pass_value_profile_transformations): New.
        * var-tracking.c (gate_handle_var_tracking,
        pass_variable_tracking): New.
        * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.

        * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
        rest_of_handle_delay_slots, rest_of_handle_stack_regs,
        rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
        rest_of_handle_old_regalloc, rest_of_handle_regrename,
        rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
        rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
        rest_of_handle_gcse2, rest_of_handle_regmove,
        rest_of_handle_tracer, rest_of_handle_if_conversion,
        rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
        rest_of_handle_web, rest_of_handle_branch_prob,
        rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
        rest_of_handle_jump_bypass, rest_of_handle_combine,
        rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
        rest_of_handle_gcse, rest_of_handle_loop_optimize,
        rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
        rest_of_handle_mode_switching, rest_of_handle_jump,
        rest_of_handle_eh, rest_of_handle_stack_adjustments,
        rest_of_handle_flow2, rest_of_handle_jump2,
        rest_of_handle_peephole2, rest_of_handle_postreload,
        rest_of_handle_shorten_branches, rest_of_clean_state,
        rest_of_compilation): Remove.

        * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
        * passes.c (dump_flags, in_gimple_form, all_passes,
        all_ipa_passes, all_lowering_passes, register_one_dump_file,
        register_dump_files, next_pass_1, last_verified, execute_todo,
        execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
        from tree-optimize.c.
        (init_optimization_passes): Moved from tree-optimize.c,
        adding the RTL optimizations.
        * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
        * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
        all_ipa_passes, all_lowering_passes, register_one_dump_file,
        register_dump_files, next_pass_1, last_verified, execute_todo,
        execute_one_pass, execute_pass_list, execute_ipa_pass_list,
        init_tree_optimization_passes, ipa_passes): Delete.
        * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
        the RTL dumps.
        (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
        dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
        from tree.h.
        (ipa_passes): Remove.
        (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
        * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
        dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
        dump_switch_p, dump_flag_name): Moved to tree-pass.h.
        (dump_info_p, dump_flag): Moved to tree-dump.h.
        
        * Makefile.in: Adjust dependencies for tree-pretty-print.c,
        cgraph.c, opts.c.
        * passes.c (finish_optimization_passes): Use dump_begin
        and dump_end, TDI_end.
        (gate_rest_of_compilation): New.
        (pass_rest_of_compilation): Use it.
        (gate_postreload, pass_postreload): New.
        * toplev.c (general_init): Rename init_tree_optimization_passes.
        * toplev.h (init_tree_optimization_passes): Rename to
        init_optimizations_passes.
        * tree-dump.c (dump_flag): Make static.
        (dump_files): Remove RTL dumps.
        * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
        pass_cleanup_cfg, pass_free_cfg_annotations,
        pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
        pass_init_datastructures, pass_fixup_cfg): Make non-static.
        * tree-pretty-print.c: Include tree-pass.h.
        * cgraph.c: Include tree-dump.h.
        
2005-07-04  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
        Only fall back to saying it points to readonly memory if
        we can't do better.

2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>

        * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
        * config/m32r/m32r.c (m32r_compute_frame_size,
        m32r_expand_prologue): Take current_function_profile into
        account whenever we reference
        current_function_uses_pic_offset_table.
        (m32r_finalize_pic): Remove.
        * config/m32r/m32r.h (FINALIZE_PIC): Likewise.

2005-07-05  Kazu Hirata  <kazu@codesourcery.com>

        * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
        instead of $<.  Don't remove ./as if it already exists.

2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/21723
        * pa.md: Remove fcpy alternative from movhi and movqi patterns.
        * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
        for complex modes when generating code for PA 1.0.
        (VALID_FP_MODE_P): New macro.
        (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
        sets for all general and floating point modes.  Align wide floating
        point modes to even register boundaries to comply with architectural
        requirements.
        (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
        * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
        (VALID_FP_MODE_P): New macro.
        (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
        sets for all general and floating point modes.  Align wide floating
        point modes to even register boundaries to comply with architectural
        requirements.

2005-07-04  Diego Novillo  <dnovillo@redhat.com>

        * tree-dump.c (dump_files): Initialize dump number for .cgraph
        to 0.

2005-07-04  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa-structalias.c: Don't include expr.h.

2005-07-04  Diego Novillo  <dnovillo@redhat.com>

        * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
        comments.

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

        Fix PR tree-optimization/22279
        
        * tree-ssa-structalias.c (offset_overlaps_with_access): Use
        correct operator.
        
2005-07-04  J"orn Rennecke <joern.rennecke@st.com>

        * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".

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

        * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
        cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
        config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
        config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
        config/stormy16/stormy16.c, config/v850/v850.c,
        config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
        except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
        Avoid "." or "\n" at end of diagnostics and capital letters at
        start of diagnostics.
        * combine.c, cse.c: Don't translate dump file output.
        * toplev.c (print_version): Only translate output if going to
        stderr.

2005-07-03  Kazu Hirata  <kazu@codesourcery.com>

        * c-decl.c, tree-object-size.c, tree-vectorizer.c,
        config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
        typos.

2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (fix_range): Fix typo in comment.

2005-07-03  Kazu Hirata  <kazu@codesourcery.com>

        * tree-vrp.c (extract_range_from_assert): Replace
        fold (build (...)) with fold_build2.

2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
        gcc_gfc_char_table, init_dynamic_gfc_info): New.
        (format_types_orig, handle_format_attribute): Add support for
        format "gcc_gfc".

2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * varasm.c (assemble_variable): Fix format specifier thinko.

2005-07-03  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/22029 (and 22135)
        * tree-pretty-print.c (dump_generic_node): Check that the node is not
        a phi node before calling dump_vops.

2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * tree-dump.h (dump_string_field): Declare.
        * tree-dump.c: Use it instead of dump_string.
        (dump_string_field): Make non-static.

2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
        up the minimal CFG stuff always when optimize > 0.  Call
        split_all_insns_noflow in PIC case if needed.

2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
            Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>

        PR c++/18279
        * c-decl.c (c_write_global_declarations): Dump contents of
        external scope to.
        * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
        <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
        <GOTO_EXPR>, <SWITCH_EXPR>: Add.
        (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
        is enabled.
        
2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>

        * c-common.h (GCC_DIAG_STYLE): Define.
        * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
        version for format checking to 4.1.
        * c-format.c: Include toplev.h after c-common.h.
        (enum format_type): Add gcc_tdiag_format_type.
        (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
        gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
        (format_types_orig): Add gcc_tdiag.
        (init_dynamic_diag_info): Support gcc_tdiag formats.
        (handle_format_attribute): Likewise.
        * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
        (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
        version for format checking to 4.1.
        (warning0, warning, error, pedwarn, sorry): Use
        ATTRIBUTE_GCC_DIAG.
        * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
        (finish_aliases_1): Do not use %qE.
        * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
        config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
        Correct format bugs.
        * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
        parameter to unsigned HOST_WIDE_INT.
        * config/v850/v850.c (v850_output_aligned_bss): Likewise.

2005-07-02  David Edelsohn  <edelsohn@gnu.org>

        PR middle-end/21742
        * expr.c (write_complex_part): Use adjust_address for MEM.
        (read_complex_part): Same.

2005-07-02  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/22280

        * tree-sra.c (generate_element_init): Remove useless loop.

2005-07-02  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_legitimize_address): Check for
        TLS_MODEL_NONE.
        (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.

2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/14490
        * fold-const.c (fold_binary): Handle the return value of
        fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
        Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".

2005-07-02  Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
        a eliminate type conversion which feeds an equality comparison
        if the original type or either operand in the comparison is a
        function pointer.

2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>

        * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
        config/rs6000/rs6000.opt, params.def: Remove "." from end of help
        texts.
        * config/avr/avr.c: Do not use '`' as left quote.
        * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
        Remove "." from end of diagnostics.  Make diagnostics start with
        lowercase letter.

2005-07-02  Zack Weinberg  <zack@codesourcery.com>
            Joseph S. Myers  <joseph@codesourcery.com>

        * toplev.c (default_tree_printer): Handle setting location with
        '+' flag.
        * c-objc.common.c (c_tree_printer): Likewise.
        * c-format.c (gcc_diag_flag_specs): Add '+'.
        (gcc_cdiag_char_table): Allow '+' flag for tree formats.
        (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
        formats.
        * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
        config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
        config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
        config/v850/v850.c, function.c, stor-layout.c, toplev.c,
        tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
        instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
        of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
        format arguments where %J is used without %D.

2005-07-02  Jakub Jelinek  <jakub@redhat.com>

        * gcc.c (LINK_SSP_SPEC): Define.
        (link_ssp_spec): New variable.
        (LINK_COMMAND_SPEC): Add %(link_ssp).
        (static_specs): Add link_ssp_spec.
        * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
        * configure: Rebuilt.
        * config.in: Rebuilt.

        * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
        * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
        * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
        * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
        * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
        If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
        -0x7008(2) instead of reading __stack_chk_guard variable.
        * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
        number.
        (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
        (stack_protect_set, stack_protect_test): Use *_tls* patterns
        if TARGET_THREAD_SSP_OFFSET is defined.
        (stack_tls_protect_set_si, stack_tls_protect_set_di,
        stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.

        Revert:
        2005-06-27  Richard Henderson  <rth@redhat.com>
        * libgcc-std.ver (GCC_4.1.0): New.
        * libgcc.h (__stack_chk_guard): Declare.
        (__stack_chk_fail, __stack_chk_fail_local): Declare.
        * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
        * mklibgcc.in (lib2funcs): Add them.

2005-07-01  Richard Henderson  <rth@redhat.com>

        * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
        void * before struct sigcontext *.
        (x86_fallback_frame_state): Likewise.

2005-07-01  James E. Wilson  <wilson@specifixinc.com>

        * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.

2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/22269
        * tree-ssa-reassoc.c (should_transpose): Fix which operand
        we check for SSA_NAME for.

2005-07-01  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/22071

        * tree-ssa-structalias.c (offset_overlaps_with_access): New
        function.
        (get_constraint_for_component_ref): Use it.

2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>

        PR other/22264
        * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
        print out the last new line.

2005-07-01  Hans-Peter Nilsson  <hp@axis.se>

        * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
        Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
        * config/cris/cris.c (cris_conditional_register_usage): Adjust
        reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
        (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
        (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
        * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
        (enum reg_class): New member CC0_REGS.
        (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
        (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
        (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
        (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
        (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
        Adjust for register now described.

2005-07-01  Jakub Jelinek  <jakub@redhat.com>

        PR target/22262
        * config/i386/i386.md (stack_protect_test_si,
        stack_protect_test_di): Add earlyclobber for scratch 3.
        * config/rs6000/rs6000.md (stack_protect_testsi,
        stack_protect_testdi): Add earlyclobber for scratch 3,
        remove earlyclobber from scratch 4.

Older entries for 2005 can be found in ChangeLog-2005.