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

2010-11-19  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * doc/extend.texi (Function attributes): Document PowerPC target
        attributes that are supported.
        (Pragmas): Document that PowerPC now supports target pragmas.

        * doc/options.texi (TargetVariable): Document TargetVariable,
        HeaderInclude, and SourceInclude.

        * doc/invoke.texi (-mfused-madd): Document that -mfused-madd is
        mapped to -ffp-contract=fast, and -mno-fused-madd is mapped to
        -ffp-contract=off.

        * optc-gen.awk: Add support for TargetVariable, HeaderInclude, and
        SourceInclude directives.  Fix a cut+paste error with target save
        enum variables.  Sort enums in the structures after ints and
        before shorts.
        * opth-gen.awk: Ditto.

        * configure.ac: Add support for HeaderInclude and SourceInclude
        option directives to add the appropriate files to the dependency
        lists.
        * configure: Regenerate.
        * Makefile.in (OPTIONS_H_EXTRA): New variable for HeaderInclude.
        (OPTIONS_C_EXTRA): New variable for SourceInclude.
        (OPTIONS_H): Add $(OPTIONS_H_EXTRA).
        (options.o): Add $(OPTIONS_C_EXTRA) dependency.
        (gcc-options.o): Ditto.
        * opt-include.awk: New awk script to handle HeaderInclude and
        TargetInclude.

        * config/rs6000/aix.opt (-mxl-compat): Mark option as Save so it
        gets saved in the target options.
        * config/rs6000/linux64.opt (-mprofile-kernel): Ditto.
        * config/rs6000/sysv4.opt (-mbit-align): Ditto.
        (-mprototype): Ditto.
        (-mbit-word): ditto.
        (-mregnames): Ditto.
        (-msecure-plt): Ditto.
        (-mbss-plt): Ditto.
        * config/rs6000/rs6000.opt (-mpowerpc-gpopt): Ditto.
        (-mpowerpc-gfxopt): Ditto.
        (-mmfcrf): Ditto.
        (-mpopcntb): Ditto.
        (-mfprnd): Ditto.
        (-mcmpb): Ditto.
        (-mmmfpgpr): Ditto.
        (-maltivec): Ditto.
        (-mhard-dfp): Ditto.
        (-mmulhw): Ditto.
        (-mdlmzb): Ditto.
        (-mmultiple): Ditto.
        (-mstring): Ditto.
        (-mpopcntd): Ditto.
        (-mfriz): Ditto.
        (-mvsx): Ditto.
        (-mno-update): Ditto.
        (-mavoid-indexed-addresses): Ditto.
        (-mtls-markers): Ditto.
        (-msched-epilog): Ditto.
        (-msched-prolog): Ditto.
        (-maix-struct-return): Ditto.
        (-msvr4-struct-return): Ditto.
        (-mxl-compat): Ditto.
        (-mrecip-precision): Ditto.
        (-mfp-in-toc): Ditto.
        (-msum-in-toc): Ditto.
        (-mvrsave): Ditto.
        (-mblock-move-inline-limit=): Ditto.
        (-misel): Ditto.
        (-mpaired): Ditto.
        (-mlongcall): Ditto.
        (-mgen-cell-microcode): Ditto.
        (-mwarn-cell-microcode): Ditto.
        (-mwarn-altivec-long): Ditto.
        (-mprioritize-restricted-insns=): Ditto.
        (-msingle-float): Ditto.
        (-mdouble-float): Ditto.
        (-msimple-fpu): Ditto.
        (-mxilinx-fpu): Ditto.
        * config/rs6000/aix64.opt (-mpe): Ditto.

        * config/rs6000/rs6000.opt (HeaderInclude): Include rs6000-opts.h.
        (rs6000_cpu): Move variable to be a target variable.  Rename
        cmodel to rs6000_current_cmodel because of macro conflict.  Merge
        -mdebug=<xxx> variables into a single int.
        (rs6000_always_hint): Ditto.
        (rs6000_sched_groups): Ditto.
        (rs6000_align_branch_targets): Ditto.
        (rs6000_sched_costly_dep): Ditto.
        (rs6000_sched_insert_nops): Ditto.
        (rs6000_long_double_type_size): Ditto.
        (rs6000_ieeequad): Ditto.
        (rs6000_altivec_abi): Ditto.
        (rs6000_spe): Ditto.
        (rs6000_spe_abi): Ditto.
        (rs6000_float_gprs): Ditto.
        (rs6000_darwin64_abi): Ditto.
        (can_override_loop_align): Ditto.
        (rs6000_sdata): Ditto.
        (rs6000_tls_size): Ditto.
        (rs6000_current_abi): Ditto.
        (rs6000_traceback): Ditto.
        (rs6000_alignment_flags): Ditto.
        (rs6000_current_cmodel): Ditto.
        (rs6000_recip_control): Ditto.
        (rs6000_cpu_index): Ditto.
        (rs6000_tune_index): Ditto.
        (rs6000_debug): Ditto.
        (rs6000_target_flags_explict): Ditto.

        * config/rs6000/rs6000-protos.h (rs6000_pragma_target_parse): Add
        declaration.

        * config/rs6000/linux64.h (rs6000_current_cmode): Rename from
        cmodel.  Change all uses.

        * config/rs6000/rs6000.c (rs6000_always_hint): Move to
        rs6000.opt.  Combine -mdebug=<xxx> variables into a single int.
        Rename cmodel to rs6000_current_cmodel.
        (rs6000_sched_groups): Ditto.
        (rs6000_align_branch_targets): Ditto.
        (rs6000_sched_costly_dep): Ditto.
        (rs6000_sched_insert_nops): Ditto.
        (rs6000_long_double_type_size): Ditto.
        (rs6000_ieeequad): Ditto.
        (rs6000_altivec_abi): Ditto.
        (rs6000_spe): Ditto.
        (rs6000_spe_abi): Ditto.
        (rs6000_float_gprs): Ditto.
        (rs6000_darwin64_abi): Ditto.
        (can_override_loop_align): Ditto.
        (rs6000_sdata): Ditto.
        (rs6000_tls_size): Ditto.
        (rs6000_current_abi): Ditto.
        (rs6000_traceback): Ditto.
        (rs6000_alignment_flags): Ditto.
        (rs6000_current_cmodel): Ditto.
        (rs6000_recip_control): Ditto.
        (rs6000_cpu_index): Ditto.
        (rs6000_tune_index): Ditto.
        (rs6000_debug): Ditto.
        (rs6000_target_flags_explict): Ditto.
        (rs6000_sched_insert_nops_str): Make static.
        (rs6000_sched_costly_dep_str): Ditto.
        (rs6000_recip_name): Ditto.
        (rs6000_abi_name): Ditto.
        (rs6000_sdata_name): Ditto.
        (enum rs6000_traceback_name): Move to rs6000-opts.h.
        (rs6000_parse_tls_size_option): Delete.
        (rs6000_valid_attribute_p): New function for target attributes and
        pragmas.
        (rs6000_function_specific_save): Ditto.
        (rs6000_function_specific_restore): Ditto.
        (rs6000_function_specific_print): Ditto.
        (rs6000_can_inline_p): Ditto.
        (rs6000_set_current_function): Ditto.
        (rs6000_inner_target_options): Ditto.
        (rs6000_debug_target_options): Ditto.
        (rs6000_pragma_target_parse): Ditto.
        (TARGET_OPTION_VALID_ATTRIBUTE_P): Define target hooks for target
        attributes and pragmas.
        (TARGET_OPTION_SAVE): Ditto.
        (TARGET_OPTION_RESTORE): Ditto.
        (TARGET_OPTION_PRINT): Ditto.
        (TARGET_CAN_INLINE_P): Ditto.
        (TARGET_SET_CURRENT_FUNCTION): Ditto.
        (POWER_MASKS): Move to file level scope from the
        rs6000_option_override_internal function.
        (POWERPC_MASKS): Ditto.
        (ISA_*_MASKS): Ditto.
        (struct rs6000_ptt): Ditto.
        (processor_target_table): Ditto.
        (rs6000_cpu_name_lookup): Map cpu name to an index in
        processor_target_table.
        (rs6000_debug_reg_global): Print more information on processor
        options for -mdebug=reg.
        (rs6000_init_hard_regno_mode_ok): Add support for target
        attributes and pragmas.  Merge all -mdebug=<xxx> fields into one.
        Allow -mdebug=val1,val2.  Rename cmodel variable.
        (rs6000_option_override_internal): Ditto.
        (rs6000_option_override): Ditto.
        (rs6000_handle_option): Ditto.
        (rs6000_conditional_register_usage): Add debug trace message.
        (struct rs6000_opt_mask): New for target attribute/pragma
        support.
        (rs6000_opt_masks): Ditto.
        (struct rs6000_opt_var): Ditto.
        (rs6000_opt_vars): Ditto.
        (rs6000_previous_function): Ditto.

        * config/rs6000/rs6000.h (top level): Include rs6000-opts.h if it
        wasn't already included.
        (enum rs6000_cmodel): Move to rs6000-opts.h or rs6000.opt.
        (enum processor_type): Ditto.
        (rs6000_cpu): Ditto.
        (enum fpu_type_t): Ditto.
        (fpu_type): Ditto.
        (enum rs6000_dependence_cost): Ditto.
        (enum rs6000_nop_insertion): Ditto.
        (enum group_termination): Ditto.
        (rs6000_long_double_type_size): Ditto.
        (rs6000_ieeequad): Ditto.
        (rs6000_altivec_abi): Ditto.
        (rs6000_spe_abi): Ditto.
        (rs6000_spe): Ditto.
        (rs6000_float_gprs): Ditto.
        (rs6000_alignment_flags): Ditto.
        (rs6000_sched_insert_nops): Ditto.
        (enum rs6000_vector): Ditto.
        (enum rs6000_abi): Ditto.
        (rs6000_current_opt): Ditto.
        (rs6000_debug_*): Delete.
        (MASK_DEBUG*): Combine -mdebug=xxxx into one int.
        (TARGET_DEBUG*): Ditto.

        * config/rs6000/rs6000-opts.h: New header file to define the enums
        that are used in target variables that are now defined in
        rs6000.opt.

        * config/rs6000/sysv4.h (enum rs6000_sdata_type): Move to
        rs6000-opts.h.
        (rs6000_sdata): Ditto.
        (rs6000_abi_name): Delete.
        (rs6000_sdata_name): Ditto.
        (rs6000_tls_size_string): Ditto.

2010-11-19  Joseph Myers  <joseph@codesourcery.com>

        * common.opt (debug_struct_ordinary, debug_struct_generic): New
        Variable entries.
        * dwarf2out.c (matches_main_base, dump_struct_debug, DUMP_GSTRUCT,
        should_emit_struct_debug): Move from opts.c.
        * flag-types.h (enum debug_struct_file): Move from opts.c.
        * flags.h (should_emit_struct_debug): Remove.
        (base_of_path): Declare.
        (set_struct_debug_option): Add gcc_options parameter.
        * optc-gen.awk, opth-gen.awk: Handle array variables.
        * opts.c (enum debug_struct_file, debug_struct_ordinary,
        debug_struct_generic): Remove.
        (set_struct_debug_option): Add gcc_options parameter.
        (base_of_path): Remove static.
        (main_input_basename, main_input_baselength, matches_main_base,
        dump_struct_debug, DUMP_GSTRUCT, should_emit_struct_debug):
        Remove.
        * toplev.c (main_input_basename, main_input_baselength): Define
        here.
        * toplev.h (main_input_basename, main_input_baselength): Declare
        here.

2010-11-19  Joseph Myers  <joseph@codesourcery.com>

        * common.opt (flag_instrument_functions_exclude_functions,
        flag_instrument_functions_exclude_files): New Variable
        definitions.
        * flags.h (flag_instrument_functions_exclude_p): Don't declare.
        * gimplify.c (char_p): Declare type and vectors.
        (flag_instrument_functions_exclude_p): Moved from opts.c.  Make
        static.
        * opts.c (flag_instrument_functions_exclude_functions,
        flag_instrument_functions_exclude_files): Remove.
        (add_comma_separated_to_vector): Take void **.
        (flag_instrument_functions_exclude_p): Move to gimplify.c.
        (common_handle_option): Use options structure for
        -finstrument-functions-exclude- options.

2010-11-19  Joseph Myers  <joseph@codesourcery.com>

        * doc/options.texi (Var): Document effects of Defer.
        (Defer): Document.
        * opt-functions.awk (var_type, var_set): Handle deferred options.
        * opts-common.c (set_option): Handle CLVC_DEFER.
        * common.opt (fcall-saved-, fcall-used-, fdump-, ffixed-,
        fplugin=, fplugin-arg-, fstack-limit, fstack-limit-register=,
        fstack-limit-symbol=): Mark as deferred.
        * opts.c: Don't include rtl.h, ggc.h, output.h, tree-pass.h or
        plugin.h.
        (print_filtered_help): Don't report state of CLVC_DEFER options.
        (common_handle_option): Move code for OPT_fcall_used_,
        OPT_fcall_saved_, OPT_fdump_, OPT_ffixed_, OPT_fplugin_,
        OPT_fplugin_arg_, OPT_fstack_limit, OPT_fstack_limit_register_ and
        OPT_fstack_limit_symbol_ to opts-global.c.
        (option_enabled, get_option_state): Handle CLVC_DEFER.
        * opts.h: Include vec.h.
        (enum cl_var_type): Add CLVC_DEFER.
        (cl_deferred_option): Define type and vectors.
        (handle_common_deferred_options): Declare.
        * opts-global.c: New.
        * toplev.c (toplev_main): Call handle_common_deferred_options
        * Makefile.in (OPTS_H): Include $(VEC_H).
        (OBJS-common): Include opts-global.o.
        (opts.o): Update dependencies.
        (opts-global.o): Add dependencies.

2010-11-19  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-parser.c (c_parser_objc_protocol_definition): Pass attributes
        to objc_declare_protocols.

2010-11-19  Richard Guenther  <rguenther@suse.de>

        PR lto/45789
        * lto-streamer-out.c (lto_output_ts_common_tree_pointers): For
        IDENTIFIERs do not stream TREE_TYPE.
        * lto-streamer-in.c (lto_input_ts_common_tree_pointers): Likewise.

2010-11-19  Christian Borntraeger  <borntraeger@de.ibm.com>

        * config/s390/s390.c (s390_function_arg_integer): Handle NULLPTR_TYPE.

2010-11-19  Jakub Jelinek  <jakub@redhat.com>

        PR target/45870
        * dwarf2out.c (const_ok_for_output_1): Don't complain about
        non-delegitimized TLS UNSPECs.

2010-11-18  Jack Howarth  <howarth@bromo.med.uc.edu>
            Ian Lance Taylor  <iant@google.com>

        * config/darwin-c.c (darwin_additional_format_types): Export.

2010-11-18  Paul Koning  <ni1d@arrl.net>

        * config/pdp11/pdp11.h (FIRST_PARM_OFFSET): Fix case of no frame
        pointer.

2010-11-18  Paul Koning  <ni1d@arrl.net>

        * config/pdp11/pdp11.md (abshi2): Delete TARGET_ABSHI_BUILTIN.
        * config/pdp11/pdp11.c (TARGET_DEFAULT_TARGET_FLAGS): Ditto.
        * config/pdp11/pdp11.opt (-mabshi): Delete.

2010-11-19  Mingjie Xing  <mingjie.xing@gmail.com>

        * resource.h (struct resources): Fix typo in the comment.

2010-11-19  Uros Bizjak  <ubizjak@gmail.com>

        PR target/46546
        * config/i386/i386.c (ix86_reorg): Call compute_bb_for_insn.

2010-11-18  Richard Henderson  <rth@redhat.com>

        PR middle-end/46515
        * function.c (maybe_copy_prologue_epilogue_insn): Rename from
        maybe_copy_epilogue_insn; handle prologue insns as well.
        * rtl.h, cfglayout.c: Update for rename.
        * recog.c (peep2_attempt): Copy prologue/epilogue data for
        RTX_FRAME_RELATED_P insns.

2010-11-18  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/46534
        * builtins.c (fold_builtin_printf): Don't copy and modify string
        before build_string_literal, instead modify what
        build_string_literal returned.

2010-11-18  Nathan Froyd  <froydnj@codesourcery.com>

        PR c/33193
        * c-typeck.c (build_unary_op): Call build_real_imag_expr for
        REALPART_EXPR and IMAGPART_EXPR.

2010-11-18  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/46172
        * tree-vect-loop-manip.c (remove_dead_stmts_from_loop): New
        function.
        (slpeel_tree_peel_loop_to_edge): Call it.

2010-11-18  Jeff Law  <law@redhat.com>

        PR middle-end-optimization/46297
        * postreload.c (reload_combine_note_store): Deal with embedded
        side effects in MEM expressions.

2010-11-18  Richard Guenther  <rguenther@suse.de>

        PR lto/45089
        * dwarf2out.c (add_AT_die_ref): Work around LTO losing types
        when checking is not enabled.

2010-11-18  Richard Guenther  <rguenther@suse.de>

        PR lto/46525
        * gimple.c (gimple_register_type): Update TYPE_MAIN_VARIANT of
        type leaders.
        (gimple_register_canonical_type): Also cache the canoncial type
        for non type leaders.

2010-11-18  Richard Guenther  <rguenther@suse.de>

        * lto-wrapper.c (run_gcc): Fix -flto=N parsing.

2010-11-18  Alexander Monakov  <amonakov@ispras.ru>

        PR middle-end/46518
        * sel-sched-ir.c (init_expr): Use the correct type for
        target_available.
        * sel-sched.c (fill_vec_av_set): Use explicitly signed char type.

2010-11-17  Joakim Tjernlund  <Joakim.Tjernlund@transmode.se>

        * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Support -fpic
        as well as -mrelocatable at the same time.

2010-11-17  Quentin Neill  <quentin.neill.gnu@gmail.com>

        PR target/46422
        * config/i386/bmiintrin.h (__lzcnt_u16, __lzcnt_u32, __lzcnt_u64):
        Call the clz builtin.

2010-11-17  Dinar Temirbulatov <dtemirbulatov@gmail.com>
            Steve Ellcey  <sje@cup.hp.com>

        PR middle-end/31490
        * varasm.c (categorize_decl_for_section): Ignore reloc_rw_mask
        if section attribute used.

2010-11-17  Jan Hubicka  <jh@suse.cz>

        * builtins.c (expand_builtin_mathfn_2, expand_builtin_mathfn): Do not
        expand errno setting variant when optimizing for size.

2010-11-17  Eric Botcazou  <ebotcazou@adacore.com>

        * postreload.c (reload_combine): Call control_flow_insn_p only once.
        Reverse backward loop.  Fix formatting issues.

2010-11-17  Paolo Bonzini  <bonzini@gnu.org>

        * c-parser.c (c_token_is_qualifier,
        c_parser_next_token_is_qualifier): New.
        (c_parser_declaration_or_fndef, c_parser_struct_declaration):
        Improve error message on specs->tagdef_seen_p.
        (c_parser_struct_or_union_specifier): Improve error recovery.
        (c_parser_declspecs): Move exit condition on C_ID_ID early.
        Reorganize exit condition for C_ID_TYPENAME/C_ID_CLASSNAME
        using c_parser_next_token_is_qualifier; extend it to cover
        a ctsk_tagdef typespec and !typespec_ok in general.

2010-11-17  Richard Guenther  <rguenther@suse.de>

        * value-prof.c (gimple_divmod_fixed_value_transform): Update the stmt.
        (gimple_mod_pow2_value_transform): Likewise.
        (gimple_mod_subtract_transform): Likewise.

2010-11-17  Richard Guenther  <rguenther@suse.de>

        PR lto/46504
        * gimple.c (gimple_register_canonical_type): Make sure to only
        make type leaders canonical types.

2010-11-17  Michael Matz  <matz@suse.de>

        * timevar.def (TV_IPA_OPT, TV_EARLY_LOCAL, TV_OPTIMIZE,
        TV_POSTRELOAD, TV_REMOVE_UNUSED, TV_ADDRESS_TAKEN, TV_TODO,
        TV_VERIFY_LOOP_CLOSED, TV_VERIFY_RTL_SHARING,
        TV_REBUILD_FREQUENCIES, TV_REPAIR_LOOPS): New.
        * tree-into-ssa.c (rewrite_into_ssa): Don't push/pop timevar here ...
        (pass_build_ssa): ... but here.
        * cgraphbuild.c (pass_rebuild_cgraph): Use timevar.
        * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Use timevar.
        * tree-emutls.c (pass_ipa_lower_emutls): Ditto.
        * df-core.c (pass_df_initialize_opt, pass_df_initialize_no_opt): Ditto.
        * predict.c (rebuild_frequencies): Ditto.
        * tree-vectorizer.c (pass_ipa_increase_alignment): Ditto.
        * emit-rtl.c (verify_rtl_sharing): Ditto.
        * tree-cfgcleanup.c (repair_loop_structures): Ditto.
        * tree-ssa-live.c (remove_unused_locals): Ditto.
        * cfglayout.c (pass_into_cfg_layout, pass_outof_cfg_layout): Ditto.
        * tree-ssa.c (pass_early_warn_uninitialized,
        execute_update_addresses_taken, pass_update_address_taken): Ditto.
        * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
        pass_cleanup_cfg_post_optimizing, tree_rest_of_compilation): Ditto.
        * passes.c (pass_postreload, execute_todo): Ditto.
        * tree-ssanames.c (pass_release_ssa_names): Ditto.

2010-11-17  Joseph Myers  <joseph@codesourcery.com>

        * doc/invoke.texi (-dy): Remove.
        * langhooks-def.h (lhd_do_nothing_i): Don't declare.
        (LANG_HOOKS_PARSE_FILE): Define to lhd_do_nothing.
        * langhooks.c (lhd_do_nothing_i): Remove.
        * langhooks.h (lang_hooks.parse_file): Take no arguments.
        * toplev.c (set_yydebug): Remove.
        (compile_file): Update call to lang_hooks.parse_file.
        (decode_d_option): Don't handle -dy.

2010-11-17  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/46440
        * combine.c (update_cfg_for_uncondjump): When changing
        an indirect jump into unconditional jump, remove BARRIERs
        from bb's footer.

2010-11-17  Joseph Myers  <joseph@codesourcery.com>

        * opts.c (target_handle_option): Do not assert that loc ==
        UNKNOWN_LOCATION.

2010-11-17  Jakub Jelinek  <jakub@redhat.com>
            Richard Guenther  <rguenther@suse.de>

        PR middle-end/45838
        * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
        call_may_clobber_ref_p_1): Return true for __sync_* and some
        OpenMP builtins that act as threading barriers.

2010-11-17  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/46498
        * tree-ssa-dce.c (perform_tree_ssa_dce): Compute dominator info.

2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>

        * config/xtensa/xtensa.c (function_arg_boundary): Really rename to...
        (xtensa_function_arg_boundary): ...this.
        * config/picochip/pichochip.c (picochip_function_arg_boundary): Fix
        thinko in declaration.
        (picochip_function_arg, picochip_arg_partial_bytes): Pass proper
        number of parameters to picochip_function_arg_boundary.
        (picochip_arg_advance): Likewise.

2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>

        PR target/46512
        * config/pa/pa.c (pa_function_arg_boundary): Move TYPE_SIZE accesses
        under check for type.

2010-11-16  Eric Botcazou  <ebotcazou@adacore.com>

        * ifcvt.c (dead_or_predicable): Fix typo.

2010-11-16  Richard Henderson  <rth@redhat.com>

        * config.gcc [s390*-*] (extra_options): Add fused-madd.opt.
        * config/s390/s390.opt (mfused-madd): Remove.
        * config/s390/s390.c (s390_rtx_costs): Handle FMA.
        (TARGET_DEFAULT_TARGET_FLAGS): Remove MASK_FUSED_MADD.
        * config/s390/s390.md (fma<DSF>4): Rename from *fmadd<DSF>; use FMA.
        (fms<DSF>4): Rename from *fmsub<DSF>; use FMA.

2010-11-16  Richard Henderson  <rth@redhat.com>

        * config.gcc [powerpc*, rs6000*] (extra_options): Add fused-madd.opt.
        * config/rs6000/rs6000.opt (mfused-madd): Remove.
        * config/rs6000/altivec.md (altivec_vmaddfp): Remove.
        (*altivec_vmaddfp_1): Remove.
        (*altivec_fmav4sf4): Rename from altivec_vmaddfp_2; use FMA.
        (altivec_mulv4sf3): Expand to FMA directly.
        (*altivec_vnmsubfp): Rename from altivec_vnmsubfp.
        (*altivec_vnmsubfp_1, *altivec_vnmsubfp_2): Remove.
        * config/rs6000/paired.md (paired_madds0): Use FMA.
        (paired_madds1): Likewise.
        (*paired_madd): Rename from paired_madd; use FMA.
        (*paired_msub, *paired_nmadd, *paired_nmsub): Similarly.
        * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Do not
        consider TARGET_FUSED_MADD wrt rs6000_recip_control.
        (bdesc_3arg): Update CODE_FOR_* for pattern renames.
        (rs6000_emit_madd): Use fma_optab.
        (rs6000_emit_msub): Use fms_optab.
        (rs6000_emit_nmsub): Expand the FMA pattern directly.
        * config/rs6000/rs6000.md (FMA_F): New mode iterator.
        (*fmasf4_fpr): Rename from fmasf4_fpr.
        (*nfmasf4_fpr): Rename from *fnmasf4_fpr.
        (*nfmssf4_fpr): Rename from *fnmssf4_fpr.
        (*fmaddsf4_powerpc, *fmaddsf4_power, *fmsubsf4_powerpc): Remove.
        (*fmsubsf4_power, *fnmaddsf4_powerpc_1, *fnmaddsf4_powerpc_2): Remove.
        (*fnmaddsf4_power_1, *fnmaddsf4_power_2, *fnmsubsf4_powerpc_1): Remove.
        (*fnmsubsf4_powerpc_2, *fnmsubsf4_power_1, *fnmsubsf4_power_2): Remove.
        (*fmadf4_fpr): Rename from fmadf4_fpr.
        (*nfmadf4_fpr): Rename from *fnmadf4_fpr.
        (*nfmsdf4_fpr): Rename from *fnmsdf4_fpr.
        (*fmadddf4_fpr, *fmsubdf4_fpr, *fnmadddf4_fpr_1): Remove.
        (*fnmadddf4_fpr_2, *fnmsubdf4_fpr_1, *fnmsubdf4_fpr_2): Remove.
        (fmasf4, fmadf4): Macroize into...
        (fma<FMA_F>4): ... here.
        (fms<FMA_F>4, fnma<FMA_F>4, fnms<FMA_F>4): New.
        (nfma<FMA_F>4, nfms<FMA_F>4): New.
        * config/rs6000/vector.md (mul<VEC_F>3): Do not depend on
        TARGET_FUSED_MADD.
        * config/rs6000/vsx.md (vsx_fmadd<VSX_B>4): Remove.
        (*vsx_fmadd<mode>4_1): Remove.
        (vsx_fmsub<mode>4, *vsx_fmsub<mode>4_1): Remove.
        (vsx_fnmadd<mode>4_1, vsx_fnmadd<mode>4_2): Remove.
        (vsx_fnmsub<mode>4_1, vsx_fnmsub<mode>4_2): Remove.
        (*vsx_fma<mode>4): Rename from vsx_fmadd<mode>4_2.
        (*vsx_fms<mode>4): Rename from vsx_fmsub<mode>4_2.
        (*vsx_nfma<mode>4): Rename from vsx_fnmadd<mode>4.
        (*vsx_nfms<mode>4): Rename from vsx_fnmsub<mode>4.

2010-11-16  Richard Henderson  <rth@redhat.com>

        * config/pa/pa.md (fmadf4): Rename from unnamed; use FMA.
        (fmasf4, fnmadf4, fnmasf4): Likewise.
        (unnamed plus+mult insns and splitters): Delete.

2010-11-16  Richard Henderson  <rth@redhat.com>

        * config/spu/spu.md (fma<VSF>4): Rename from fma_<VSF>.
        (fnma<VSF>4): Rename from fnms_<VSF>.
        (fms<VSF>4): Rename from fms_<VSF>.
        (fma<VDF>4): Rename from fma_<VDF>.
        (fms<VDF>4): Rename from fms_<VDF>.
        (nfma<VDF>4): Rename from fnma_<VDF>.
        (nfms<VDF>4): Rename from fnms_<VDF>.
        (fnma<VDF>4, fnms<VDF>4): New expanders.
        (floatunsdisf2): Update for the renames.
        (*div<VSF>3_fast, *div<VSF>3_adjusted): Likewise.
        * config/spu/spu-builtins.def: Update CODE_FOR_* for the renames.

2010-11-16  Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/46490
        * combine.c (expand_compound_operation): Fix thinko.

2010-11-16  Richard Henderson  <rth@redhat.com>

        PR target/46470
        * recog.c (peep2_attempt): Convert frame-related info when possible.
        (peep2_fill_buffer): Allow frame-related insns into the buffer.
        (peephole2_optimize): Allow peep2_attempt to fail.

2010-11-16  Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/46315
        * rtl.h (remove_reg_equal_equiv_notes_for_regno): Declare.
        * rtlanal.c (remove_reg_equal_equiv_notes_for_regno): New function
        extracted from...
        * dce.c (delete_corresponding_reg_eq_notes): ...here.  Rename into...
        (remove_reg_equal_equiv_notes_for_defs): ...this.
        (delete_unmarked_insns): Adjust to above renaming.
        * ifcvt.c (dead_or_predicable): Remove REG_EQUAL and REG_EQUIV notes
        referring to registers set in the insns being moved, if any.

        * df-core.c (df_ref_dump): New function extracted from...
        (df_refs_chain_dump): ...here.  Call it.
        (df_regs_chain_dump): Likewise.
        * df-problems.c (df_chain_dump): Print 'e' for uses in notes.
        * df-scan.c (df_scan_start_dump): Likewise.  Fix long line.

2010-11-16  Andreas Schwab  <schwab@linux-m68k.org>

        PR rtl-optimization/46395
        * postreload.c (reload_combine): Invalidate register use
        information on all control flow insns.

        * config/m68k/m68k.c (m68k_delegitimize_address): Also expect
        LABEL_REF in UNSPEC operand.

2010-11-16  Jan Hubicka  <jh@suse.cz>

        * cgraph.h (+varpool_can_remove_if_no_refs): Move here from ...;
        when !flag_toplevel_reorder do not remove unless variable is
        COMDAT or ARTIFICIAL.
        * ipa.c (varpool_can_remove_if_no_refs): ... here.
        (cgraph_remove_unreachable_nodes): Only analyzed nodes needs to stay.
        * cgraphunit.c (cgraph_analyze_functions): Dump varpool, too.
        * varpool.c (decide_is_variable_needed): Do not handle visibility
        issues.
        (varpool_finalize_decl): Likewise.
        (varpool_remove_unreferenced_decls): Use varpool_mark_needed_node;
        update outdated comment on DECL_RTL_SET_P check.

2010-11-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/sol2.h (NM_FLAGS): Define.
        * doc/tm.texi.in (Macros for Initialization, NM_FLAGS): Document.
        * doc/tm.texi: Update.

2010-11-16  Nick Clifton  <nickc@redhat.com>

        * config/v850/v850.md (maddsf4): Rename to fmasf4 and use fma rtx_code.
        (msubsf4): Rename to fmssf4, and use fma.
        (nmaddsf4): Rename to fnmasf4 and use fma.
        (nmsubsf4): Rename to fnmssf4 and use fma.

2010-11-16  Joern Rennecke  <amylaar@spamcop.net>

        PR target/44762
        * config/score/score3.c (score3_return_in_memory): Constify arguments.
        (score3_in_small_data_p, score3_function_value): Likewise.
        (score3_trampoline_init): Use LCT_NORMAL.
        (score3_print_operand): Initialize code as UNKNOWN.
        * config/score/predicates.md (score_load_multiple_operation):
        Remove unused variable.
        (score_store_multiple_operation): Likewise.
        * config/score/score7.c (score7_return_in_memory): Constify arguments.
        (score7_in_small_data_p, score7_function_value): Likewise.
        (score7_trampoline_init): Use LCT_NORMAL.
        (score7_print_operand): Initialize code as UNKNOWN.
        * config/score/score3.h (score3_return_in_memory): Update prototype.
        (score3_in_small_data_p, score3_function_value): Likewise.
        * config/score/score-protos.h (score_function_value): Likewise.
        * config/score/score7.h (score7_return_in_memory): Update prototype.
        (score7_in_small_data_p, score7_function_value): Likewise.
        * config/score/score.c (TARGET_PROMOTE_PROTOTYPES): Constify.
        (score_return_in_memory, score_pass_by_reference): Constify arguments.
        (score_output_mi_thunk, score_function_prologue): Don't return a value.
        (score_function_epilogue, score_in_small_data_p): Likewise.
        (score_option_override, score_asm_trampoline_template): Likewise.
        (score_trampoline_init, score_print_operand): Likewise.
        (score_print_operand_address, score_prologue): Likewise.
        (score_epilogue, score_call, score_call_value): Likewise.
        (score_movsicc, score_movdi, score_zero_extract_andi): Likewise.
        (score_function_arg_advance): Likewise. Make static.
        (score_asm_file_end): Mark parameter value with ATTRIBUTE_UNUSED.
        (score_function_arg, score_legitimate_address_p): Make static.
        (score_function_value): Mark parameter func with ATTRIBUTE_UNUSED.
        * config/score/score.h (REGNO_REG_CLASS): Cast value to enum reg_class.
        * config/score/score-conv.h (UIMM_IN_RANGE, SIMM_IN_RANGE):
        Allow (W) == HOST_BITS_PER_WIDE_INT.

        PR java/46386
        * config/pdp11/t-pdp11 (java/constants.o-warn): Remove.
        * config/t-pnt16-warn (java/constants.o-warn): Likewise.

2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>

        * config/arc/arc.c: Delete pasto.
        * config/pa/pa.c (pa_function_arg_boundary): Add missing comparison.

2010-11-16  Anatoly Sokolov  <aesok@post.ru>

        * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS,
        PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
        * config/mn10300/mn10300.c (TARGET_PREFERRED_RELOAD_CLASS,
        TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
        (mn10300_preferred_reload_class,
        mn10300_preferred_output_reload_class): New functions.

2010-11-16  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * gensupport.c (MNEMONIC_ATTR_NAME, MNEMONIC_HTAB_SIZE): New macros.
        (htab_eq_string, add_mnemonic_string, gen_mnemonic_setattr)
        (mnemonic_htab_callback, gen_mnemonic_attr): New functions.
        (init_rtx_reader_args_cb): Invoke gen_mnemonic_attr.

2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>

        * builtins.c (std_gimplify_va_arg_expr): Use
        targetm.calls.function_arg_boundary.
        * function.c (assign_parms, locate_and_pad_parm): Likewise.
        * calls.c (struct arg_data): Update comment.
        * defaults.h (FUNCTION_ARG_BOUNDARY): Delete.
        * target.def (function_arg_boundary): Define.
        * targhooks.h (default_function_arg_boundary): Declare.
        * targhooks.c (default_function_arg_boundary): Define.
        * doc/tm.texi.in (FUNCTION_ARG_PADDING): Use
        TARGET_FUNCTION_ARG_BOUNDARY.
        (FUNCTION_ARG_BOUNDARY): Delete.
        (TARGET_FUNCTION_ARG_BOUNDARY): New.
        * doc/tm.texi: Regenerate.
        * system.h (FUNCTION_ARG_BOUNDARY): Poison.
        * config/arc/arc.h (FUNCTION_ARG_BOUNDARY): Delete.
        * config/arc/arc.c (arc_function_arg_boundary): Define.
        (TARGET_FUNCTION_ARG_BOUNDARY): Define.
        * config/arm/arm.h (FUNCTION_ARG_BOUNDARY): Delete.
        * config/arm/arm-protos.h (arm_needs_doubleword_align): Delete.
        * config/arm/arm.c (arm_needs_doubleword_align): Make static.
        (arm_function_arg_boundary): Define.
        (TARGET_FUNCTION_ARG_BOUNDARY): Define.
        * config/frv/frv.h (FUNCTION_ARG_BOUNDARY): Delete.
        * config/frv/frv-protos.h (frv_function_arg_boundary): Delete.
        * config/frv/frv.c (frv_function_arg_boundary): Make static.
        (TARGET_FUNCTION_ARG_BOUNDARY): Define.
        * config/i386/i386.h (FUNCTION_ARG_BOUNDARY): Delete.
        * config/i386/i386-protos.h (ix86_function_arg_boundary): Delete.
        * config/i386/i386.c (ix86_function_arg_boundary): Make static.
        (ix86_compat_function_arg_boundary): Take and return unsigned int.
        (TARGET_FUNCTION_ARG_BOUNDARY): Define.
        * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Delete.
        * config/ia64/ia64-protos.h (ia64_function_arg_boundary): Delete.
        * config/ia64/ia64.c (ia64_function_arg_boundary): Make static.
        (TARGET_FUNCTION_ARG_BOUNDARY): Define.
        * config/m32c/m32c.h (FUNCTION_ARG_BOUNDARY): Delete.
        * config/m32c/m32c.c (m32c_function_arg_boundary): Define.
        (TARGET_FUNCTION_ARG_BOUNDARY): Define.
        * config/m32r/m32r.h (FUNCTION_ARG_BOUNDARY): Delete.
        * config/mcore/mcore.h (FUNCTION_ARG_BOUNDARY): Delete.
        * config/mcore/mcore.c (mcore_function_arg_boundary): Define.
        (TARGET_FUNCTION_ARG_BOUNDARY): Define.
        * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Delete.
        * config/mips/mips-protos.h (mips_function_arg_boundary): Delete.
        * config/mips/mips.c (mips_function_arg_boundary): Make static.
        (TARGET_FUNCTION_ARG_BOUNDARY): Define.
        * config/pa/pa.h (FUNCTION_ARG_BOUNDARY): Delete.
        * config/pa/pa.c (pa_function_arg_boundary): Define.
        (TARGET_FUNCTION_ARG_BOUNDARY): Define.
        * config/picochip/picochip.h (FUNCTION_ARG_BOUNDARY): Delete.
        * config/picochip/picochip-protos.h
        (picochip_get_function_arg_boundary): Delete.
        * config/picochip/picochip.c (picochip_get_function_arg_boundary):
        Rename to...
        (picochip_function_arg_boundary): ...this.  Make static.
        (picochip_function_arg, picochip_arg_partial_bytes): Adjust.
        (picochip_arg_advance): Adjust.
        (TARGET_FUNCTION_ARG_BOUNDARY): Define.
        * config/rs6000/rs6000.h (FUNCTION_ARG_BOUNDARY): Delete.
        * config/rs6000/rs6000-protos.h (function_arg_boundary): Delete.
        * config/rs6000/rs6000.c (function_arg_boundary): Rename to...
        (rs6000_function_arg_boundary): ...this.  Make static.
        (rs6000_parm_start, rs6000_gimplify_va_arg): Adjust.
        (TARGET_FUNCTION_ARG_BOUNDARY): Define.
        * config/rx/rx.h (FUNCTION_ARG_BOUNDARY): Delete.
        * config/rx/rx.c (rx_function_arg_boundary): Define.
        (TARGET_FUNCTION_ARG_BOUNDARY): Define.
        * config/sparc/sparc.h (FUNCTION_ARG_BOUNDARY): Delete.
        * config/sparc/sparc.c (sparc_function_arg_boundary): Define.
        (TARGET_FUNCTION_ARG_BOUNDARY): Define.
        * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Delete.
        * config/xtensa/xtensa-protos.h (function_arg_boundary): Delete.
        * config/xtensa/xtensa.c (function_arg_boundary): Rename to...
        (xtensa_function_arg_boundary): ...this.  Make static.
        (TARGET_FUNCTION_ARG_BOUNDARY): Define.

2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>

        * expr.c (alignment_for_piecewise_move): New function.
        (widest_int_mode_for_size): New function.
        (move_by_pieces, move_by_pieces_ninsns): Call them.
        (can_store_by_pieces, store_by_pieces_1): Likewise.

2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>

        * gcc.c (char_p): Define.  Define a VEC of it.
        (n_linker_options, n_assembler_options, n_preprocessor_options):
        Delete.
        (linker_options, assembler_options, preprocessor_options): Convert
        to a VEC.
        (add_preprocessor_option): Adjust.
        (add_assembler_option): Adjust.
        (add_linker_option): Adjust.
        (do_specs_vec): New function.
        (do_spec_1): Call it.  Adjust for new types.

2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>

        * Makefile.in (bitmap.o, ebitmap.o, et-forest.o): Update dependencies.
        (sreal.o, statistics.o, stringpool.o): Likewise.

2010-11-16  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44545
        * tree-ssa-reassoc.c (linearize_expr_tree): Possibly throwing
        statements are not reassociatable.
        (reassociate_bb): Likewise.

2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>

        * bitmap.c: Delete unnecessary includes.
        * ebitmap.c: Likewise.
        * et-forest.c: Likewise.
        * sreal.c: Likewise.
        * statistics.c: Likewise.
        * stringpool.c: Likewise.
        * double-int.c: Add comment for inclusion of tm.h.

2010-11-16  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-sccvn.c (visit_unary_op): Rename to ...
        (visit_nary_op): ... this.
        (visit_binary_op): Remove.
        (visit_use): Adjust and handle GIMPLE_TERNARY_RHS.

2010-11-16  Richard Guenther  <rguenther@suse.de>

        PR middle-end/45172
        * tree-eh.c (cleanup_empty_eh_unsplit): Avoid creating duplicate edges.

2010-11-16  Nick Clifton  <nickc@redhat.com>

        * config/rx/rx.c (rx_is_ms_bitfield_layout): Return false if the
        record is packed.

2010-11-15  Richard Henderson  <rth@redhat.com>

        * fold-const.c (operand_equal_for_comparison_p): Handle FMA_EXPR,
        WIDEN_MULT_PLUS_EXPR, WIDEN_MULT_MINUS_EXPR, VEC_COND_EXPR and
        DOT_PROD_EXPR.

2010-11-15  Richard Henderson  <rth@redhat.com>

        * config/mn10300/mn10300.md (fmasf4, fmssf4, fnmasf4, fnmssf4): Rename
        from fmaddsf4, fmsubsf4, fnmaddsf4, fnmsubsf4 respectively.  Use
        fma rtx_code.

2010-11-15  Richard Henderson  <rth@redhat.com>

        * config/frv/frv.md (fmasf4, fmssf4): Rename from *muladdsf4
        and *mulsubsf4 respectively.  Use fma rtx_code.

2010-11-15  Joseph Myers  <joseph@codesourcery.com>

        * gcc.c: Include "vec.h".
        (argbuf): Make into a VEC.
        (argbuf_length, argbuf_index): Remove.
        (alloc_args, clear_args, store_arg, execute, insert_wrapper,
        do_spec, do_self_spec, do_spec_1, eval_spec_function, main,
        compare_debug_dump_opt_spec_function: Use VEC interfaces on argbuf.
        * Makefile.in (GCC_OBJS): Add vec.o and ggc-none.o.
        (gcc.o): Depend on $(VEC_H).

2010-11-15  Richard Henderson  <rth@redhat.com>

        * loop-unroll.c (analyze_insn_to_expand_var): Accept accumulation
        via FMA if unsafe math.
        (insert_var_expansion_initialization): Handle FMA.
        (combine_var_copies_in_loop_exit): Likewise.

2010-11-15  Richard Henderson  <rth@redhat.com>

        * config.gcc [ia64-*] (extra_options): Add fused-madd.opt.
        * config/ia64/ia64.opt: Remove mfused-madd.
        * config/ia64/ia64.c (ia64_rtx_costs): Handle FP MULT, PLUS, FMA.
        * config/ia64/vms.h (TARGET_DEFAULT): Remove MASK_FUSED_MADD.
        * config/ia64/vms64.h (TARGET_DEFAULT): Likewise.
        * config/ia64/ia64.h (TARGET_DEFAULT): Likewise.
        * config/ia64/hpux.h (TARGET_DEFAULT): Likewise.
        * config/ia64/vect.md (addv2sf3, subv2sf3): Generate FMA.
        (*addv2sf3_1, *addv2sf3_2, *subv2sf3_1, *subv2sf3_2): Remove.
        (fmav2sf4): Rename from fpma; use FMA code.
        (fmsv2sf4): Rename from fpms; use FMA code.
        (fnmav2sf4): Rename from *fpnma; use FMA code.
        * config/ia64/ia64.md (MODE_SDF): New iterator.
        (suffix): New mode attribute.
        (*maddsf4, *msubsf4, *nmaddsf4): Remove.
        (fmssf4): Rename from *fmssf4.
        (fnmasf4): Rename from *nfmasf4.
        (*madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc): Remove.
        (*nmadddf4, *nmadddf4_truncsf): Remove.
        (fmsdf4): Rename from *fmsdf4.
        (fnmadf4): Rename from *nfmadf4.
        (*fmadf_trunc_sf, *fmsdf_trunc_sf, *fnmadf_trunc_sf): New.
        (*maddxf4, *maddxf4_truncsf, *maddxf4_truncdf): Remove.
        (*msubxf4, *msubxf4_truncsf, *msubxf4_truncdf): Remove.
        (*nmaddxf4, *nmaddxf4_truncsf, *nmaddxf4_truncdf): Remove.
        (fmsxf4): Rename from *fmsxf4.
        (fnmaxf4): Rename from *nfmaxf4.
        (*fmaxf_trunc_<MODE_SDF>, *fmsxf_trunc_<MODE_SDF>): New.
        (*fnmaxf_trunc_<MODE_SDF>): New.

2010-11-15  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/46461
        * tree-ssa-forwprop.c (simplify_builtin_call): Ensure ptr1 is
        a gimple val.

2010-11-15  Ian Lance Taylor  <iant@google.com>

        * godump.c: New file.
        * common.opt (fdump-go-spec=): New option.
        * tree.h: Add comments for TYPE_SYMTAB_ADDRESS and friends.
        (TYPE_SYMTAB_IS_ADDRESS, TYPE_SYMTAB_IS_POINTER): Define.
        (TYPE_SYMTAB_IS_DIE): Define.
        (struct tree_type): Change GTY for symtab field to use
        TYPE_SYMTAB_IS_ADDRESS and friends and to use a debug_hooks field
        to pick the union field.
        * debug.h (struct gcc_debug_hooks): Add tree_type_symtab_field.
        (dump_go_spec_init): Declare.
        * toplev.c (process_options): Handle flag_dump_go_spec.
        * debug.c: Include "tree.h".
        (do_nothing_debug_hooks): Set tree_type_symtab_field.
        * dwarf2out.c (dwarf2_debug_hooks): Likewise.
        * dbxout.c (dbx_debug_hooks): Likewise.
        (xcoff_debug_hooks): Likewise.
        * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
        * sdbout.c (sdb_debug_hooks): Likewise.  Do not define if
        SDB_DEBUGGING_INFO is not defined.
        * doc/invoke.texi (Option Summary): Mention -fdump-go-spec.
        (Overall Options): Document -fdump-go-spec.
        * Makefile.in (OBJS-common): Add godump.o.
        (debug.o): Add dependency on $(TREE_H).
        (godump.o): New target.
        (GTFILES): Add $(srcdir)/godump.c.

2010-11-15  Jakub Jelinek  <jakub@redhat.com>

        PR debug/46095
        * config/i386/i386.c (pro_epilogue_adjust_stack): Instead of
        marking r11 set RTX_FRAME_RELATED_P if offset is too large for
        style < 0, add REG_FRAME_RELATED_EXPR.

        PR debug/46387
        * rtl.h (vt_equate_reg_base_value): New prototype.
        * alias.c (vt_equate_reg_base_value): New function.
        * var-tracking.c (vt_init_cfa_base): Use it.

2010-11-15  Jan Hubicka  <jh@suse.cz>
            Diego Novillo  <dnovillo@google.com>

        PR lto/41528
        * doc/lto.texi: Add.
        * doc/gccint.texi: Add reference to lto.texi.
        * doc/invoke.texi: Update user documentation for LTO.
        Move internal flags to lto.texi

2010-11-15  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-typeck.c (build_unary_op): Use
        objc_build_incr_expr_for_property_ref to build the pre/post
        increment/decrement of an Objective-C property ref, and skip the
        lvalue_or_else check in that case.

2010-11-15  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/46349
        * tree-sra.c (contains_bitfld_comp_ref_p): New function.
        (contains_vce_or_bfcref_p): Likewise.
        (sra_modify_assign): Use them.

2010-11-15  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/46467
        * tree-ssa-structalias.c (do_structure_copy): Properly treat
        variables without subvars.

2010-11-15  Hariharan Sandanagobalane  <hariharan@picochip.com>

        * config/picochip/picochip.c (file header): Picochip name change.
        * config/picochip/picochip.md (file header): Likewise.
        * config/picochip/predicates.md (file header): Likewise.
        * config/picochip/dfa_space.md (file header): Likewise.
        * config/picochip/dfa_speed.md (file header): Likewise.
        * config/picochip/picochip.h(file header): Likewise.
        * config/picochip/constraints.md (file header): Likewise.
        * config/picochip/picochip-protos.h (file header): Likewise.
        * config/picochip/libgccExtras/setjmp.asm (file header): Likewise.
        * config/picochip/libgccExtras/divmodsi4.asm (file header): Likewise.
        * config/picochip/libgccExtras/ashlsi3.asm (file header): Likewise.
        * config/picochip/libgccExtras/longjmp.asm (file header): Likewise.
        * config/picochip/libgccExtras/ashlsi3.c (file header): Likewise.
        * config/picochip/libgccExtras/popcounthi2.asm (file header): Likewise.
        * config/picochip/libgccExtras/parityhi2.asm (file header): Likewise.
        * config/picochip/libgccExtras/udivmodhi4.asm (file header): Likewise.
        * config/picochip/libgccExtras/ashrsi3.asm (file header): Likewise.
        * config/picochip/libgccExtras/ashrsi3.c (file header): Likewise.
        * config/picochip/libgccExtras/ucmpsi2.asm (file header): Likewise.
        * config/picochip/libgccExtras/divmodhi4.asm (file header): Likewise.
        * config/picochip/libgccExtras/lshrsi3.asm (file header): Likewise.
        * config/picochip/libgccExtras/subdi3.asm (file header): Likewise.

2010-11-15  Richard Guenther  <rguenther@suse.de>

        PR bootstrap/46474
        * tree-ssa-math-opts.c (convert_mult_to_fma): Disregard debug stmts.

2010-11-15  Nick Clifton  <nickc@redhat.com>

        * config/stormy16/stormy16.c (direct_return): Do not generate a
        direct return for interrupt handlers.

2010-11-15  Joern Rennecke  <amylaar@spamcop.net>

        * Makefile.in (tm.texi): Replace with rule for:
        ($(srcdir)/doc/tm.texi).
        (s-tm-texi): Depend on $(srcdir)/doc/../doc/tm.texi instead of on
        $(srcdir)/doc/tm.texi .
        (TEXI_GCCINT_FILES): Depend on $(srcdir)/doc/tm.texi instead of on
        tm.texi .

        PR target/46427
        * config/m32r/m32r.c: Remove unused variables frame_size and insn.

        PR bootstrap/45444
        * config/arm/arm.c (locate_neon_builtin_icode): Initialize key.
        (arm_output_asm_insn) Add ATTRIBUTE_PRINTF_4.

        PR target/46432
        * config/v850/v850.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.

2010-11-15  Richard Guenther  <rguenther@suse.de>

        PR lto/44150
        * lto-opts.c (lto_write_options): Write -fexceptions even if
        not set by the user.

2010-11-13  Paolo Bonzini  <bonzini@gnu.org>

        PR c/46462
        * c-decl.c (declspecs_add_type): Make variables with error types
        integers.
        * c-parser.c (c_parser_next_tokens_start_declaration): Two IDs
        do not start a declaration before an Objective-C foreach.
        (c_parser_declaration_or_fndef): Improve recovery after unknown
        type name.
        (c_parser_for_statement): Hoist entrance of "foreach context"
        before ifs, add corresponding reset where it was missing.  Do
        not set objc_could_be_foreach_context for C.

2010-11-14  Eric Botcazou  <ebotcazou@adacore.com>

        PR tree-optimization/45722
        * tree-sra.c (build_ref_for_model): Always build a COMPONENT_REF if
        this is a reference to a component.
        * ipa-prop.c (ipa_get_member_ptr_load_param): Accept COMPONENT_REF.
        (ipa_note_param_call): Adjust comment.

2010-11-14  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.c (machine_function): Remove
        initialized_mips16_gp_pseudo_p.
        (mips16_gp_pseudo_reg): Use cfun->machine->mips16_gp_pseudo_rtx to
        detect whether a pseudo has already been created.  Unconditionally
        create a new one if not.
        (mips_pic_base_register): Only call mips16_gp_pseudo_reg when
        expanding to rtl.  Create a new pseudo otherwise, if allowed.

2010-11-13  Richard Earnshaw  <rearnsha@arm.com>

        PR target/43440
        * tm.texi.in (OVERLAPPING_REGISTER_NAMES): Document new macro.
        * tm.texi: Regenerated.
        * output.h (decode_reg_name_and_count): Declare.
        * varasm.c (decode_reg_name_and_count): New function.
        (decode_reg_name): Reimplement using decode_reg_name_and_count.
        * reginfo.c (fix_register): Use decode_reg_name_and_count and
        iterate over all regs used.
        * stmt.c (expand_asm_operands): Likewise.
        * arm/aout.h (OVERLAPPING_REGISTER_NAMES): Define.
        (ADDITIONAL_REGISTER_NAMES): Remove aliases that overlap
        multiple machine registers.

2010-11-13  Eric Botcazou  <ebotcazou@adacore.com>

        * stor-layout.c (place_union_field): Do not put location information
        on offset expressions.
        (place_field): Likewise.
        (finalize_record_size): Likewise on size expressions.
        (finalize_type_size): Likewise.
        (layout_type): Likewise.

2010-11-13  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/42889
        * df-scan.c (df_insn_rescan): Don't mark BBs upon debug insns.
        * df-core.c (df_set_bb_dirty_nonrl): Remove.
        * df.h (df_set_bb_dirty_nonlr): Likewise.

2010-11-13  Uros Bizjak  <ubizjak@gmail.com>

        * config/mips/mips.md (call_internal): Pass curr_insn to
        mips_split_call.
        (call_internal_direct): Ditto.
        (call_value_internal): Ditto.
        (call_value_internal_direct): Ditto.
        (call_value_multiple_internal): Ditto.
        * config/mips/mips.c (mips_split_call): Do not copy
        CALL_INSN_FUNCTION_USAGE here.

2010-11-13  Mingming Sun  <mingm.sun@gmail.com>

        * doc/invoke.texi (MIPS Options): Add loongson3a processor.
        * config/mips/mips.md (define_attr "cpu"): Add loongson_3a.
        (define_insn "prefetch"): Add TARGET_LOONGSON_3A.
        * config/mips/mips.h (TARGET_LOONGSON_3A): Define.
        (TUNE_LOONGSON_3A): Define.
        (TARGET_LOONGSON_VECTORS): Add TARGET_LOONGSON_3A.
        (MIPS_ISA_LEVEL_SPEC): Add loongson3a.
        * config/mips/mips.c (mips_cpu_info_table): Add loongson3a.
        (mips_issue_rate): Add PROCESSOR_LOONGSON_3A.
        (mips_rtx_cost_data): Add Loongson-3A.

2010-11-13  Iain Sandoe  <iains@gcc.gnu.org>

        * config/darwin.h (LINK_COMMAND_SPEC_A): Update for changes to lto
        switches.

2010-11-13  Iain Sandoe  <iains@gcc.gnu.org>

        * dwarf2out.c (macinfo_entry): New struct.
        (output_comp_unit): Emit the section start label here and flag that we
        will emit an info section.
        (dwarf2out_start_source_file): Save data in a macinfo entry rather than
        emitting directly.
        (dwarf2out_end_source_file): Likewise.
        (dwarf2out_define): Likewise.
        (dwarf2out_undef): Likewise.
        (output_macinfo): New.
        (dwarf2out_init): Do not emit debug section switches here, allocate a
        vec for macinfo, when required.
        (dwarf2out_finish): First switch to debug_abbrev_section here.
        debug_line_section,  debug_macinfo_section, Likewise.
        Check that the pubtypes table has at least one unpruned entry before
        trying to emit it.

2010-11-13  Paolo Bonzini  <bonzini@gnu.org>

        PR c/20385
        * c-parser.c (c_parser_next_token_starts_declaration): Rename to...
        (c_parser_next_tokens_start_declaration): ... this.  Handle 2nd
        token lookahead.
        (c_parser_compound_statement_nostart, c_parser_label,
        c_parser_for_statement, c_parser_omp_for_loop): Adjust calls.
        (c_parser_declaration_or_fndef): Detect the case now matched by
        c_parser_next_tokens_start_declaration, give error and correct it.

2010-11-13  Paolo Bonzini  <bonzini@gnu.org>

        * c-tree.h (enum c_typespec_kind): Add ctsk_none.
        (struct c_declspecs): Replace tagdef_seen_p and type_seen_p
        with typespec_kind.
        * c-decl.c (build_null_declspecs): Initialize typespec_kind.
        (shadow_tag_warned, check_compound_literal_type): Adjust
        uses of tag_defined_p.
        (declspecs_add_type): Set typespec_kind.
        * c-parser.c (c_parser_declaration_or_fndef,
        c_parser_declspecs, c_parser_struct_declaration,
        c_parser_parameter_declaration, c_parser_type_name,
        c_parser_objc_diagnose_bad_element_prefix): Adjust uses
        of type_seen_p.
        * c-typeck.c (c_cast_expr): Use typespec_kind instead of
        tag_defined_p, pass ctsk_firstref through.

2010-11-13  Paolo Bonzini  <bonzini@gnu.org>

        * c-format.c (enum format_specifier_kind, kind_descriptions): New.
        (struct format_wanted_type): Replace field "name" with "kind", add
        "format_start" and "format_length".
        (check_format_info_main): Fill in new fields.  Fill in
        FORMAT_WANTED_TYPES even for missing arguments.  Move checks
        after the final NUL outside the while loop.  Do not include
        width and precision modifiers in the format_start/format_length
        of the main format.
        (check_format_types): Remove FORMAT_START and FORMAT_LENGTH
        arguments.  Compute WANTED_TYPE first so that format_type_warning
        can be called for missing arguments.  Adjust calls to
        format_type_warning.
        (format_type_warning): Fetch as much information as possible
        from format_wanted_type.  Adjust printing now that every
        warning has a "descr", as well as for missing argument warnings
        and to include % sign for format specifiers.

2010-11-12  Alexander Monakov  <amonakov@ispras.ru>

        PR rtl-optimization/46204
        * sel-sched-ir.c (maybe_tidy_empty_bb): Remove second argument.
        Update all callers.  Do not recompute topological order.  Adjust
        fallthrough edges following a degenerate conditional jump.

2010-11-12  Joseph Myers  <joseph@codesourcery.com>

        * opts-common.c (control_warning_option): New.
        * opts.c (set_default_handlers): New.
        (decode_options): Use set_default_handlers and
        control_warning_option.
        (common_handle_option): Update call to enable_warning_as_error.
        (enable_warning_as_error): Take gcc_options parameters.  Use
        control_warning_option.
        * opts.h (set_default_handlers, control_warning_option): Declare.

2010-11-12  Joseph Myers  <joseph@codesourcery.com>

        * Makefile.in (OPTS_H): Define.
        (c-decl.o, c-family/c-common.o, c-family/c-opts.o,
        c-family/c-pch.o, c-family/c-pragma.o, gcc.o, gccspec.o,
        cppspec.o, options.o, gcc-options.o, lto-opts.o, opts.o,
        opts-common.o, toplev.o, passes.o, matrix-reorg.o,
        ipa-struct-reorg.o, PLUGIN_HEADERS): Use $(OPTS_H).
        * gcc.c (driver_handle_option): Take location_t parameter.
        (process_command, do_self_spec): Update calls to
        read_cmdline_option.
        * langhooks-def.h (lhd_handle_option): Take location_t parameter.
        * langhooks.c (lhd_handle_option): Take location_t parameter.
        * langhooks.h (handle_option): Take location_t parameter.
        * lto-opts.c (lto_reissue_options): Update call to set_option.
        * opts-common.c (handle_option): Make static.  Take location_t
        parameter and pass it to other functions.
        (handle_generated_option): Take location_t parameter and pass it
        to other functions.
        (read_cmdline_option): Take location_t parameter and pass it to
        other functions.  Use warning_at and error_at.
        (set_option): Take location_t parameter and pass it to other
        functions.
        * opts.c (common_handle_option): Take location_t parameter and
        pass it to other functions.
        (enable_warning_as_error): Make static.  Take location_t parameter
        and pass it to other functions.
        (lang_handle_option): Take location_t parameter and pass it to
        other functions.
        (target_handle_option): Take location_t parameter.
        (read_cmdline_options, maybe_default_option,
        maybe_default_options, default_options_optimization,
        decode_options): Take location_t parameter and pass it to other
        functions.
        * opts.h: Include input.h.
        (struct cl_option_handler_func, decode_options, set_option,
        handle_generated_option, read_cmdline_option): Take location_t
        parameters.
        (handle_option, enable_warning_as_error): Remove.
        * toplev.c (toplev_main): Update call to decode_options.

2010-11-12  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-cloog-util.c (oppose_constraint,
        cloog_matrix_to_ppl_constraint,
        new_Constraint_System_from_Cloog_Matrix): Explicitly cast to int as
        CLooG isl uses unsigned integers.  This triggered a warning.

2010-11-12  Joern Rennecke  <amylaar@spamcop.net>

        PR target/46438
        * config/xtensa/xtensa.c (xtensa_expand_nonlocal_goto): Use LCT_NORMAL.
        (xtensa_setup_frame_addresses, xtensa_trampoline_init): Likewise.
        (xtensa_function_arg_1): De-constify cum.
        (xtensa_expand_prologue): Use add_reg_note.

        PR target/46435
        * config/cris/cris.c (saved_regs_mentioned): Delete.
        (cris_reload_address_legitimized): Cast itype to enum reload_type.
        Remove unused variable op0p.
        (cris_rtx_costs): Cast argument 2 to rtx_cost to enum rtx_code.
        (cris_emit_movem_store): Use add_reg_note.

        PR bootstrap/46456
        * cppbuiltin.c (define_builtin_macros_for_type_sizes): Split assert.

2010-11-12  Eric Botcazou  <ebotcazou@adacore.com>

        * function.c (expand_function_end): Set the locator of the prologue on
        the stack checking insns.

2010-11-12  Richard Henderson  <rth@redhat.com>

        * config.gcc [xtensa] (extra_options): Add fused-madd.opt.
        * config/xtensa/xtensa.opt (mfused-madd): Remove.
        * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
        MASK_FUSED_MADD.
        * config/xtensa/xtensa.md (fmasf4): Rename from muladdsf3; use fma.
        (fnmasf4): Rename from mulsubsf3; use fma.

2010-11-12  Joern Rennecke  <amylaar@spamcop.net>
            Richard Henderson  <rth@redhat.com>

        PR target/46428
        * config/moxie/moxie.c (moxie_expand_prologue): Remove unused variables.
        * config/moxie/moxie.h (HARD_REGNO_OK_FOR_BASE_P): Use unsigned
        comparison.

2010-11-12  Pat Haugen  <pthaugen@us.ibm.com>

        * opts-common.c (decode_cmdline_option): Initialize separate_args.

2010-11-12  Jan Hubicka  <jh@suse.cz>

        * doc/invoke.texi (early-inlining-insns): Update default.
        * params.def (early-inlining-insns): Default to 10.

2010-11-12  Olivier Hainque  <hainque@adacore.com>

        * config/rs6000/aix.h: #undef TARGET_AIX_OS before #define.

2010-11-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/mips/iris6.h [!IRIX_USING_GNU_LD]
        (SUPPORTS_INIT_PRIORITY): Define.

2010-11-12  Joern Rennecke  <amylaar@spamcop.net>

        PR target/46430
        * config/avr/avr-protos.h (avr_return_addr_rtx): Update prototype.
        * config/avr/driver-avr.c (avr_device_to_arch): Always return value.
        (avr_device_to_data_start, avr_device_to_startfiles): Likewise.
        (avr_device_to_devicelib): Likewise.
        * config/avr/avr.md (zero_extendqihi2): Put variable declarations
        into block.
        (zero_extendqisi2, zero_extendhisi2, zero_extendqidi2): Likewise.
        (zero_extendhidi2, zero_extendsidi2): Likewise.
        * config/avr/avr.c (avr_num_arg_regs): Constify type.
        (avr_return_addr_rtx): De-constify tem.
        (avr_rotate_bytes): Move declarations to start of block.
        Don't use variable length array.  Put nested if/else into block.

        PR rtl-optimization/46433
        * var-tracking.c: Include tm_p.h .

        PR bootstrap/44756
        PR build/44767
        * doc/tm.texi.in (LOCAL_ALIGNMENT): State that the type, if any,
        should be unsigned.
        (STACK_SLOT_ALIGNMENT, LOCAL_DECL_ALIGNMENT, PUSH_ROUNDING): Likewise.
        * doc/tm.texi: Regenerate.

        PR target/46412
        * config/bfin/bfin-protos.h (bfin_local_alignment): Update prototype.
        * config/bfin/bfin.c: Include sel-sched.h .
        (bfin_cpus): Use BFIN_CPU_UNKNOWN for last initializer element.
        (expand_interrupt_handler_prologue): Remove unused variable insn.
        (bfin_load_pic_reg): Likewise.
        (bfin_rtx_costs): Make code / outer_code variables of type
        enum rtx_code, copied from re-named parameters.
        (bfin_local_alignment): Change align argument and return type
        to unsigned.
        (bfin_adjust_cost): Remove unused variable insn_type.
        Declare variables at start of block.
        (struct loop_info): Rename to...
        (struct loop_info_d).
        (workaround_rts_anomaly): Change type of icode to int.
        (harmless_null_pointer_p): Cast REGNO (..) to int before comparison
        with int-typed variable.
        (note_np_check_stores): Likewise.
        (trapping_loads_p): Remove unused variable pat.
        (bfin_expand_binop_builtin): Use expand_normal.
        (bfin_expand_unop_builtin): Likewise.
        (bfin_expand_builtin): Likewise.  Set tmode before use.

        PR middle-end/44769
        * final.c (split_double): Don't use BITS_PER_WORD directly in
        shift count.

        PR target/46431
        * config/fr30/fr30.md (*movsf_constant_store): Remove duplicated
        assignment.

        PR target/46450
        * config/stormy16/stormy16.c (xstormy16_expand_prologue):
        Use add_reg_note.
        (xstormy16_function_arg): Dereference cum.
        (xstormy16_expand_builtin): Use expand_normal.
        Change type of omode to enum machine_mode.
        (combine_bnp): Rename and to and_insn.

        PR target/46437
        * config/mcore/mcore.c (layout_mcore_frame): Remove unused variable
        localreg.

2010-11-12  Eric Botcazou  <ebotcazou@adacore.com>

        PR debug/46375
        * emit-rtl.c (remove_insn): Do not mark BBs upon debug insns.

2010-11-11  Rodrigo Rivas Costa  <rodrigorivascosta@gmail.com>

        PR lto/46376
        * lto-symtab.c (lto_symtab_resolve_replaceable_p): Use DECL_ONE_ONLY.

2010-11-11  Nathan Froyd  <froydnj@codesourcery.com>

        PR c/44782
        * common.opt (fmax-errors=): New option.
        * opts.c (common_handle_option) [OPT_fmax_errors_]: Handle it.
        * diagnostic.h (struct diagnostic_context): Add max_errors field.
        * diagnostic.c (diagnostic_initialize): Initialize it.
        (diagnostic_action_after_output): Exit if more than max_errors
        have been output.
        * doc/invoke.texi (Warning Options): Add -fmax-errors.
        (-fmax-errors): Document.

2010-11-11  Richard Henderson  <rth@redhat.com>

        * optabs.c (init_optabs): Init {fma,fms,fnma,fnms}_optab properly.

2010-11-11  Richard Henderson  <rth@redhat.com>

        * config/fused-madd.opt: New file.
        * config.gcc [i386-*, x86_64-*] (extra_options): Use it.
        * config/i386/i386.c (ix86_extra_costs): Handle FMA.
        (TARGET_DEFAULT_TARGET_FLAGS): Remove MASK_FUSED_MADD.
        * config/i386/i386.opt (mfused-madd): Remove.
        * config/i386/sse.md (split_fma): Remove.
        (split_fms, split_fnma, split_fnms): Remove.

2010-11-12  Jakub Jelinek  <jakub@redhat.com>

        PR target/46088
        * config/i386/i386.md (*ashl<mode>3_cconly,
        *<shiftrt_insn><mode>3_cconly): Don't use ix86_binary_operator_ok,
        change nonimmediate_operand predicate to register_operand.

2010-11-11  Paolo Bonzini  <bonzini@gnu.org>

        * Makefile.in (gengtype-lex.c): Include bconfig.h first.

2010-11-11  Jan Hubicka  <jh@suse.cz>

        * opts.c (finish_options): Do not error on -flto-partition alone.

        * doc/invoke.texi (-fwhopr): Merge into -flto section.
        (-flto-partition): Document none.
        * gcc.c (LINK_COMMAND_SPEC): Remove -fwhopr.
        * lto-wrapper.c: Update comment.
        (run_gcc): Update LTO option parsing.
        * opts.c (finish_options): add support -flto-partition=none
        (common_handle_option): Remove fwhopr.
        * common.opt: Turn fwhopr into flto.
        * collect2.c (main): Update option handling.
        * cgraphunit.c (cgraph_decide_is_function_needed): Remove flag_whopr.
        * ipa-split.c (execute_split_functions): Remove flag_whopr.
        * ipa.c (function_and_variable_visibility): Remove flag_whopr.
        * ipa-prop.c (ipa_compute_jump_functions): Remove flag_whopr.
        * varpool.c (decide_is_variable_needed): Remove flag_whopr.

2010-11-11  Jan Hubicka  <jh@suse.cz>

        PR tree-optimize/40436
        * ipa-inline.c (likely_eliminated_by_inlining_p): Rename to ...
        (eliminated_by_inlining_prob): ... this one; return 50% probability
        for SRA.
        (estimate_function_body_sizes): Update use of
        eliminated_by_inlining_prob; estimate static function size
        for 2 instructions.

2010-11-11  Joern Rennecke  <amylaar@spamcop.net>

        PR target/44749
        * config/mep/mep-protos.h (mep_legitimize_reload_address): Always
        declare.  Change type of argument four to type int.
        (mep_secondary_input_reload_class): Returns enum reg_class.
        (mep_secondary_output_reload_class): Likewise.
        (mep_function_value): Change types of arguments to cont_tree.
        * config/mep/mep.c (mep_legitimize_reload_address): Change type of
        argument four to type int.
        (mep_secondary_input_reload_class): Returns enum reg_class.
        (mep_secondary_output_reload_class): Likewise.
        (mep_function_value): Change types of arguments to cont_tree.
        * config/mep/mep.h (REGNO_REG_CLASS): Cast return value of
        mep_regno_reg_class to enum reg_class.

2010-11-11  Richard Henderson  <rth@redhat.com>

        * tree-ssa-math-opts.c (convert_mult_to_fma): Do not verify
        that the target has the exact fma operation that we matched.

2010-11-11  Joseph Myers  <joseph@codesourcery.com>

        * reginfo.c (fix_register): Avoid inserting English word in
        diagnostic sentence.  Use %qs for quoting and %'.

2010-11-11  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/driver-i386.c (host_detect_local_cpu): Support
        Intel processor family 6, model 0x2c.

2010-11-11  Joseph Myers  <joseph@codesourcery.com>

        * opts.c (warning_as_error_callback,
        register_warning_as_error_callback): Remove.
        (enable_warning_as_error): Don't use warning_as_error_callback.
        * opts.h (register_warning_as_error_callback): Remove.

2010-11-11  Richard Henderson  <rth@redhat.com>

        * tree-ssa-math-opts.c (convert_mult_to_fma): Handle a NEGATE_EXPR
        in between the MULT and the PLUS/MINUS.

2010-11-11  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/46388
        * expr.c (expand_assignment): If to_rtx is a VOIDmode MEM, use
        BLKmode mode for it.
        (expand_expr_real_1): Similarly for op0.

2010-11-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * doc/sourcebuild.texi (LTO Testing, dg-suppress-ld-options):
        Document optional target selector.

2010-11-11  Dave Korn  <dave.korn.cygwin@gmail.com>

        * lto-streamer-out.c (write_symbol): Use int_size_in_bytes rather than
        assembling high and low parts of size if not using 32-bit HWINT; else
        use DECL_SIZE_UNITS, not DECL_SIZE.

2010-11-11  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/46383
        * ipa-prop.c (compute_complex_assign_jump_func): Ignore negative
        offsets.
        (compute_complex_ancestor_jump_func): Likewise.
        * tree.c (get_binfo_at_offset): Return NULL_TREE if offset is negative.

2010-11-11  Jakub Jelinek  <jakub@redhat.com>

        PR debug/46150
        * tree-ssa-loop-ivopts.c (htab_inv_expr_eq): Don't return
        true if expr1->hash != expr2->hash.

2010-11-10  Joseph Myers  <joseph@codesourcery.com>

        * cfgloop.c (verify_loop_structure): Use %' in diagnostics.  Start
        diagnostics with lowercase letters.
        * cgraphunit.c (verify_cgraph_node): Start diagnostics with
        lowercase letters.
        * collect2.c (maybe_run_lto_and_relink): Remove trailing '.' from
        diagnostic.
        * config/alpha/freebsd.h (LINK_SPEC): Avoid '`' in diagnostic.
        * config/arm/arm.c (arm_get_pcs_model): Start diagnostics with
        lowercase letters.
        * config/arm/freebsd.h (LINK_SPEC): Avoid '`' in diagnostic.
        Remove trailing ' ' from diagnostic.
        * config/avr/avr.c (print_operand_address): Start diagnostic with
        a lowercase letter and remove trailing '.'.
        * config/avr/avr.opt (mpmem-wrap-around): Fix typo in help text.
        * config/bfin/bfin.c (bfin_option_override): Start diagnostics
        with lowercase letters.  Use %' in diagnostics.  Remove trailing
        '.' from diagnostics.
        (bfin_handle_longcall_attribute): Use %' in diagnostic.
        * config/cris/cris.c (cris_split_movdx,
        cris_expand_pic_call_address): Start diagnostics with lowercase
        letters.
        (cris_asm_output_label_ref): Use %' in diagnostic.
        * config/cris/cris.h (ASM_SPEC): Start diagnostic with a lowercase
        letter.
        * config/crx/crx.h (FUNCTION_PROFILER): Start diagnostic with a
        lowercase letter.
        * config/darwin-c.c (version_as_macro): Start diagnostic with a
        lowercase letter.
        * config/darwin-driver.c (darwin_default_min_version): Use %' in
        diagnostic.
        * config/host-darwin.c (darwin_gt_pch_use_address): Use %' in
        diagnostic.
        * config/i386/freebsd.h (LINK_SPEC): Avoid '`' in diagnostic.
        * config/i386/host-cygwin.c (cygwin_gt_pch_get_address): Use %' in
        diagnostics.
        * config/i386/i386.c (ix86_option_override_internal): Write
        diagnostic as a single sentence without trailing '.'.  Use %' in
        diagnostics.
        (ix86_function_sseregparm, classify_argument): Start diagnostics
        with lowercase letters.
        (ix86_expand_prologue): Use %' in diagnostic.
        * config/i386/i386.h (CC1_CPU_SPEC_1): Remove trailing '.' from
        diagnostic.
        * config/i386/nwld.h (LINK_SPEC): Start diagnostic with a
        lowercase letter.
        * config/i386/winnt.c (i386_pe_determine_dllimport_p): Use %' in
        diagnostic.
        * config/ia64/freebsd.h (LINK_SPEC): Avoid '`' in diagnostic.
        * config/ia64/ia64.opt (msched-max-memory-insns-hard-limit): Avoid
        '`' in help text.
        * config/lm32/lm32.c (lm32_print_operand): Start diagnostic with a
        lowercase letter.
        * config/mep/mep.c (mep_validate_vliw): Start diagnostics with
        lowercase letters.
        * config/microblaze/microblaze.c (microblaze_handle_option):
        Remove trailing '.' from diagnostic.
        (print_operand): Start diagnostic with a lowercase letter.
        * config/pa/pa-hpux10.h (LINK_SPEC): Start diagnostics with
        lowercase letters.  Avoid '`' in diagnostics.
        * config/pa/pa-hpux11.h (LINK_SPEC): Start diagnostics with
        lowercase letters.  Avoid '`' in diagnostics.
        * config/pa/pa64-hpux.h (LINK_SPEC): Start diagnostics with
        lowercase letters.  Avoid '`' in diagnostics.
        * config/picochip/picochip.c (picochip_option_override,
        picochip_emit_save_register, picochip_function_arg,
        picochip_output_label, picochip_output_internal_label,
        picochip_asm_output_opcode, picochip_output_cbranch,
        picochip_output_compare, picochip_output_branch,
        picochip_get_vliw_alu_id): Remove trailing '.' and '\n' from
        diagnostics. Start diagnostics with lowercase letters.  Use %' in
        diagnostics.
        * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
        "SPE" capitalization.  Start diagnostic with a lowercase letter.
        (rs6000_handle_option): Start diagnostics with lowercase letters.
        (def_builtin): Remove trailing '.' from diagnostic.
        (rs6000_savres_routine_name): Start diagnostic with a lowercase
        letter.
        * config/rs6000/sysv4.h (LINK_OS_FREEBSD_SPEC): Avoid '`' in
        diagnostic.
        * config/rx/rx.c (rx_handle_option): Start diagnostic with a
        lowercase letter.
        * config/s390/s390.c (s390_option_override) Start diagnostics with
        lowercase letters.  Use %' in diagnostic.
        * config/sh/sh.c (sh_output_mi_thunk): Start diagnostics with
        lowercase letters.
        * config/sh/symbian-base.c (sh_symbian_mark_dllimport): Use %' in
        diagnostic.
        * config/sh/symbian-c.c (sh_symbian_is_dllimported): Use %' in
        diagnostic.
        * config/sh/symbian-cxx.c (sh_symbian_is_dllimported): Use %' in
        diagnostic.
        * config/sparc/freebsd.h (LINK_SPEC): Avoid '`' in diagnostic.
        * config/spu/spu.c (spu_option_override): Start diagnostics with
        lowercase letters.  Use %qs for quoting in diagnostics.
        (spu_check_builtin_parm): Remove trailing '.' from diagnostics.
        Use %wd instead of HOST_WIDE_INT_PRINT_DEC in diagnostic .
        * config/v850/v850.c (construct_save_jarl): Remove trailing '\n'
        from diagnostic.
        * convert.c (convert_to_integer, convert_to_vector): Use %' in
        diagnostics.
        * dbgcnt.c (dbg_cnt_process_opt): Start diagnostic with lowercase
        letter and use "cannot" spelling.
        * expmed.c (extract_fixed_bit_field): Start diagnostic with
        lowercase letter and format as a single sentence without '.'.
        * ggc-common.c (write_pch_globals, gt_pch_save, gt_pch_restore):
        Use %' in diagnostics.
        * ggc-page.c (ggc_pch_write_object, ggc_pch_finish, ggc_pch_read):
        Use %' in diagnostics.
        * ggc-zone.c (ggc_pch_write_object, ggc_pch_finish, ggc_pch_read):
        Use %' in diagnostics.
        * graph.c (clean_graph_dump_file): Use %' in diagnostic.
        * graphite-poly.c (graphite_read_scop_file): Start diagnostics
        with lowercase letters and remove tailing '.' and '\n'.
        * lto-cgraph.c (input_profile_summary): Start diagnostic with
        lowercase letter and remove trailing '.'.
        (input_cgraph): Start diagnostics with lowercase letters and
        remove trailing '\n'.
        * opts.c (finish_options, common_handle_option): Start diagnostics
        with lowercase letters and remove trailing '.'.  Fix typo in
        diagnostic.
        * passes.c (position_pass): Start diagnostic with lowercase letter.
        * plugin.c (add_new_plugin, parse_plugin_arg_opt,
        register_callback, try_init_one_plugin): Start diagnostics with
        lowercase letters.
        * reload1.c (spill_failure): Use %' in diagnostic.
        (gen_reload): Start diagnostic with a lowercase letter.
        * stor-layout.c (place_field): Start diagnostic with a lowercase
        letter.
        * toplev.c (open_auxiliary_file): Use %' in diagnostic.
        * tree-cfg.c (verify_expr, verify_types_in_gimple_reference,
        verify_gimple_call, verify_gimple_phi, verify_eh_throw_stmt_node):
        Start diagnostics with lowercase letters, remove trailing '.' and
        use %' in diagnostics.
        * tree-ssa.c (verify_def): Remove trailing '.' from diagnostic.
        (verify_ssa): Don't split diagnostic across two error calls.
        Spell out "number" and use %' in diagnostic.
        * value-prof.c (visit_hist, check_counter): Start diagnostics with
        lowercase letters.

2010-11-10  Uros Bizjak  <ubizjak@gmail.com>

        PR middle-end/46419
        * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Swap __hisi and __losi.
        (_mm_cvtpu16_ps): Ditto.

2010-11-10  Joseph Myers  <joseph@codesourcery.com>

        * common.opt (flag_excess_precision_cmdline, flag_generate_lto,
        warn_larger_than, larger_than_size, warn_frame_larger_than,
        frame_larger_than_size, flag_gen_aux_info, flag_shlib,
        default_visibility, flag_tls_default): New Variable declarations.
        (aux-info, auxbase, dumpbase, dumpdir, falign-functions=,
        falign-jumps=, falign-labels=, falign-loops=, o, v): Use Var.
        (v): Declare as Common and document here.
        * flags.h (default_visibility, flag_generate_lto,
        warn_larger_than, larger_than_size, warn_frame_larger_than,
        frame_larger_than_size, flag_gen_aux_info, flag_pedantic_errors,
        flag_shlib, flag_excess_precision_cmdline): Remove.
        (set_Wstrict_aliasing): Update prototype.
        * gcc.c (verbose_flag): Remove.
        (driver_handle_option): Add diagnostic_context parameter.  Don't
        handle OPT_v explicitly here.  Set verbose_flag to 1 rather than
        incrementing it.
        * opts-common.c (handle_option): Pass dc to handler.
        * opts.c (warn_larger_than, larger_than_size,
        warn_frame_larger_than, frame_larger_than_size,
        default_visibility): Remove.
        (common_handle_option): Add diagnostic_context parameter.
        (set_fast_math_flags, set_unsafe_math_optimizations_flags): Add
        gcc_options parameters.
        (lang_handle_option, target_handle_option, read_cmdline_options,
        decode_options): Add diagnostic_context parameters.
        (finish_options): Access option state through opts pointer where
        possible.
        (common_handle_option): Access option state through opts pointer
        where possible.  Do not set local static variable verbose.  Do not
        explicitly handle OPT_v, OPT_Wstrict_aliasing_,
        OPT_Wstrict_overflow_, OPT_Wunused, OPT_auxbase, OPT_dumpbase,
        OPT_dumpdir, OPT_falign_functions_, OPT_falign_jumps_,
        OPT_falign_labels_, OPT_falign_loops_, OPT_fira_verbose_, OPT_o or
        OPT_fwhopr_.  Do not explicitly set .opt file variables for
        OPT_aux_info or OPT_pedantic_errors.  Use dc for diagnostic context.
        (set_Wstrict_aliasing): Add gcc_options parameter.
        * opts.h (struct cl_option_handler_func): Add diagnostic_context
        parameter to handler.
        (decode_options): Add diagnostic_context parameter.
        * toplev.c (dump_base_name, dump_dir_name, aux_base_name,
        asm_file_name, flag_generate_lto, flag_gen_aux_info,
        aux_info_file_name, flag_shlib, flag_tls_default,
        flag_excess_precision_cmdline, flag_pedantic_errors): Remove.
        (toplev_main): Pass global_dc to decode_options.
        * toplev.h (dump_base_name, dump_dir_name, aux_base_name,
        aux_info_file_name, asm_file_name): Remove.
        * tree.h (flag_tls_default): Remove.

2010-11-10  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sparc/sparc.c (sparc_delegitimize_address): New function.
        (TARGET_DELEGITIMIZE_ADDRESS): Define to above.

2010-11-10  Quentin Neill  <quentin.neill.gnu@gmail.com>

        * config.gcc (i[34567]86-*-*): Include tbmintrin.h.
        (x86_64-*-*): Likewise.
        * config/i386/cpuid.h: Define TBM bit.
        * config/i386/driver-i386.c (host_detect_local_cpu): Define
        and set has_tbm.
        * config/i386/i386-c.c (ix86_target_macros_internal): Check
        isa_flag for TBM.
        * config/i386/i386.c (OPTION_MASK_ISA_TBM_SET): New.
        (OPTION_MASK_ISA_TBM_UNSET): New.
        (ix86_handle_option): Handle -mtbm.
        (isa_opts): Add -mtbm.
        (enum pta_flags): Add PTA_TBM.
        (ix86_option_override_internal): Add TBM support.
        (ix86_valid_target_attribute_inner_p): Handle -mtbm.
        (IX86_BUILTIN_BEXTRI32): New for TBM intrinsic.
        (IX86_BUILTIN_BEXTRI64): Likewise.
        (bdesc_args): Add TBM intrinsics.
        (ix86_expand_builtin): Add TBM specific case.
        * config/i386/i386.h (TARGET_TBM): New for TBM.
        * config/i386/i386.md (UNSPEC_BEXTRI): New for TBM.
        (tbm_bextri_<mode>): Likewise.
        (*tbm_blcfill_<mode>): Likewise.
        (*tbm_blci_<mode>): Likewise.
        (*tbm_blcic_<mode>): Likewise.
        (*tbm_blcmsk_<mode>): Likewise.
        (*tbm_blcs_<mode>): Likewise.
        (*tbm_blsfill_<mode>): Likewise.
        (*tbm_blsic_<mode>): Likewise.
        (*tbm_t1mskc_<mode>): Likewise.
        (*tbm_tzmsk_<mode>): Likewise.
        * config/i386/i386.opt: Add -mtbm.
        * config/i386/tbmintrin.h (__bextri_u32): New.
        (__blcfill_u32): Likewise.
        (__blci_u32): Likewise.
        (__blcic_u32): Likewise.
        (__blcmsk_u32): Likewise.
        (__blcs_u32): Likewise.
        (__blsfill_u32): Likewise.
        (__blsic_u32): Likewise.
        (__t1mskc_u32): Likewise.
        (__tzmsk_u32): Likewise.
        (__bextri_u64): Likewise.
        (__blcfill_u64): Likewise.
        (__blci_u64): Likewise.
        (__blcic_u64): Likewise.
        (__blcmsk_u64): Likewise.
        (__blcs_u64): Likewise.
        (__blsfill_u64): Likewise.
        (__blsic_u64): Likewise.
        (__t1mskc_u64): Likewise.
        (__tzmsk_u64): Likewise.
        * config/i386/x86intrin.h: Add TBM check and tbmintrin.h.
        * doc/invoke.texi: Document -mtbm.
        * doc/extend.texi: Document TBM built-in functions.

2010-11-10  Quentin Neill  <quentin.neill.gnu@gmail.com>

        * config.gcc (i[34567]86-*-*): Include bmiintrin.h.
        (x86_64-*-*): Likewise.
        * config/i386/cpuid.h: Define BMI bit.
        * config/i386/driver-i386.c (host_detect_local_cpu): Define
        and set has_bmi.
        * config/i386/i386-c.c (ix86_target_macros_internal): Check
        isa_flag for BMI.
        * config/i386/i386.c (OPTION_MASK_ISA_BMI_SET): New.
        (OPTION_MASK_ISA_BMI_UNSET): New.
        (ix86_handle_option): Handle -mbmi.
        (isa_opts): Add -mbmi.
        (enum pta_flags): Add PTA_BMI.
        (ix86_option_override_internal): Add BMI support.
        (ix86_valid_target_attribute_inner_p): Handle -mbmi.
        (IX86_BUILTIN_BEXTR32): New for BMI intrinsic.
        (IX86_BUILTIN_BEXTR64): Likewise.
        (IX86_BUILTIN_CTZS): Likewise.
        (bdesc_args): Add BMI intrinsics.
        (ix86_expand_args_builtin): Add BMI specific cases.
        * config/i386/i386.h (TARGET_BMI): New for BMI.
        (CTZ_DEFINED_VALUE_AT_ZERO): Likewise.
        (CLZ_DEFINED_VALUE_AT_ZERO): Likewise.
        * config/i386/i386.md (UNSPEC_BEXTR): New for BMI.
        (UNSPEC_TZCNT): Likewise.
        (ctz<mode>2): Add tzcnt, and handle 16 bit operands.
        (bmi_andn_<mode>): New for BMI.
        (bmi_bextr_<mode>): Likewise.
        (bmi_blsi_<mode>): Likewise.
        (bmi_blsmsk_<mode>): Likewise.
        (bmi_blsr_<mode>): Likewise.
        * config/i386/i386.opt: Add -mbmi.
        * config/i386/x86intrin.h: Add BMI check and bmiintrin.h.
        * config/i386/bmiintrin.h (__lzcnt_u16): New.
        (__tzcnt_u16): Likewise.
        (__andn_u32): Likewise.
        (__bextr_u32): Likewise.
        (__blsi_u32): Likewise.
        (__blsmsk_u32): Likewise.
        (__blsr_u32): Likewise.
        (__lzcnt_u32): Likewise.
        (__tzcnt_u32): Likewise.
        (__andn_u64): Likewise.
        (__bextr_u64): Likewise.
        (__blsi_u64): Likewise.
        (__blsmsk_u64): Likewise.
        (__blsr_u64): Likewise.
        (__lzcnt_u64): Likewise.
        (__tzcnt_u64): Likewise.
        * doc/invoke.texi: Document -mbmi and -mno-bmi.
        * doc/extend.texi: Document BMI built-in functions.

2010-11-10  Jan Hubicka  <jh@suse.cz>

        PR tree-optimize/46228
        * doc/invoke.texi (comdat-sharing-probability): Document.
        * ipa-inline.c (cgraph_estimate_growth): Handle COMDATs
        * params.def (PARAM_COMDAT_SHARING_PROBABILITY): New param.

2010-11-10  Jan Hubicka  <jh@suse.cz>

        PR tree-optimize/46228
        * cgraph.c (cgraph_propagate_frequency): Fix typo.

2010-11-10  H.J. Lu  <hongjiu.lu@intel.com>

        PR tree-optimization/46414
        * tree-inline.c (estimate_move_cost): Check preferred vector
        mode for vector type.

2010-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/alpha/osf5.h (ASM_SPEC): Remove -nocpp.

2010-11-10  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/45971
        * tree-if-conv.c (predicate_scalar_phi): Do not generate a COND_EXPR
        for phi nodes analyzable by scev.

2010-11-10  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44964
        * ipa-inline.c (cgraph_flatten): Check that SSA form matches.

2010-11-10  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/46351
        PR tree-optimization/46377
        * tree-sra.c (type_internals_preclude_sra_p): Disqualify types with
        aggregate bit-fields.

2010-11-10  Joseph Myers  <joseph@codesourcery.com>

        * doc/tm.texi.in (TARGET_OPTION_TRANSLATE_TABLE): Remove.
        * doc/tm.texi: Regenerate.
        * opts-common.c (tm.h): Don't include.
        (target_option_translations): Remove.
        (decode_cmdline_options_to_array): Don't handle translating options.
        * system.h (TARGET_OPTION_TRANSLATE_TABLE): Poison.
        * config/darwin-driver.c: Don't condition includes on
        CROSS_DIRECTORY_STRUCTURE.
        (darwin_default_min_version): Make static.
        (darwin_driver_init): New.  Call darwin_default_min_version if not
        CROSS_DIRECTORY_STRUCTURE.
        * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Remove.
        (DRIVER_SELF_SPECS, DARWIN_CC1_SPEC): Define.
        (ASM_SPEC): Add %{static}.
        (darwin_default_min_version): Don't declare.
        (darwin_driver_init): Declare.
        (GCC_DRIVER_HOST_INITIALIZATION): Define to call
        darwin_driver_init, independent of CROSS_DIRECTORY_STRUCTURE.
        * config/darwin.opt (all_load, allowable_client,
        arch_errors_fatal, bind_at_load, bundle, bundle_loader,
        dead_strip, dependency-file, dylib_file, dynamic, dynamiclib,
        exported_symbols_list, filelist, findirect-virtual-calls,
        flat_namespace, force_cpusubtype_ALL, force_flat_namespace,
        framework, fterminated-vtables, gfull, gused, image_base, init,
        install_name, multi_module, multiply_defined,
        multiply_defined_unused, no_dead_strip_inits_and_terms,
        seg_addr_table, seg_addr_table_filename, segaddr,
        segs_read_only_addr, segs_read_write_addr, single_module,
        umbrella, unexported_symbols_list, weak_reference_mismatches,
        Zall_load, Zarch_errors_fatal, Zbind_at_load, Zbundle,
        Zdead_strip, Zdynamic, Zdynamiclib, Zflat_namespace,
        Zforce_cpusubtype_ALL, Zforce_flat_namespace, Zmulti_module,
        Zno_dead_strip_inits_and_terms, Zsingle_module): New.
        * config/i386/darwin.h (CC1_SPEC): Add DARWIN_CC1_SPEC.
        (ASM_SPEC): Add %{static}.
        (SUBTARGET_OPTION_TRANSLATE_TABLE): Remove.
        * config/mep/mep.h (TARGET_OPTION_TRANSLATE_TABLE): Remove.
        (DRIVER_SELF_SPECS): Handle options formerly in
        TARGET_OPTION_TRANSLATE_TABLE.
        * config/mep/mep.opt (mfar): New.
        * config/picochip/picochip.h (TARGET_OPTION_TRANSLATE_TABLE): Remove.
        (DRIVER_SELF_SPECS): Define.  Handle options formerly in
        TARGET_OPTION_TRANSLATE_TABLE.
        * config/rs6000/darwin.h (CC1_SPEC): Handle -faltivec and -fno-altivec.
        (SUBTARGET_OPTION_TRANSLATE_TABLE): Remove.
        * config/rs6000/darwin.opt (Waltivec-long-deprecated, faltivec,
        ffix-and-continue, findirect-data): New.
        * config/rx/rx.h (TARGET_OPTION_TRANSLATE_TABLE): Remove.
        * config/rx/rx.opt (nofpu): Make into alias of mnofpu.
        (mnofpu): Define mask and use Report here.

2010-11-10  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.c (s390_emit_prologue): Report the stack
        size if -fstack-usage is used.

2010-11-10  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/46398
        * tree-ssa-sccvn.c (process_scc): Iterate for all PHIs.

2010-11-10  Joern Rennecke  <amylaar@spamcop.net>

        PR target/44760
        * config/iq2000/iq2000.h (REGISTER_NAMES): Remove trailing semicolon.
        (REGNO_MODE_OK_FOR_BASE_P): Cast REGNO to int before passing it to
        GP_REG_OR_PSEUDO_STRICT_P.
        * config/iq2000/iq2000.md (andsi3+1): Add gcc_unreachable for
        unexpected alternative.
        (*movsf_internal): Likewise.
        (indirect_jump): Replace call to non-existant function with call to
        internal_error.
        (tablejump): Likewise.
        * config/iq2000/iq2000.c: Include df.h .
        (iq2000_function_arg_advance): Use CONST_CAST2.
        (compute_frame_size, iq2000_expand_prologue): Remove unused variables.
        (iq2000_can_eliminate): Call leaf_function_p instead of testing for
        a non-zero function address.
        (iq2000_initial_elimination_offset): Add gcc_unreachable for
        unexpected value of FROM.
        (symbolic_expression_p): Delete.
        (iq2000_function_value): Constify func.
        (expand_one_builtin): Use expand_normal.
        (iq2000_print_operand): Don't print VALUE if calculating it failed.

        PR rtl-optimization/44764
        * addresses.h (ok_for_base_p_1): Mark regno with ATTRIBUTE_UNUSED.

        PR target/46407
        * config/rx/rx.h (REGISTER_NAMES): Remove trailing semicolon.
        * config/rx/rx.c (rx_promote_function_mode): Mark punsignedp
        with ATTRIBUTE_UNUSED.
        (valid_psw_flag): Constify parameter which.
        (rx_memory_move_cost): Change type of parameter regclass to reg_class_t.

        PR target/46415
        * config/mmix/mmix-protos.h (mmix_local_alignment): Update prototype.
        (mmix_dbx_register_number): Likewise.
        * config/mmix/mmix.c: Include df.h .
        (mmix_local_alignment): Change argument basic_align and return type
        to unsigned.
        (mmix_dbx_register_number): Change argument and return type to
        unsigned.
        (mmix_expand_prologue): Use add_reg_note.

        PR target/46417
        * config/spu/spu.c (spu_expand_insv): Remove unused variables.
        (spu_split_store): Use aform.
        (spu_function_profiler): Mark parameter labelno with ATTRIBUTE_UNUSED.

2010-11-10  Laurynas Biveinis  <laurynas.biveinis@gmail.com>

        PR/46268
        * doc/gty.texi (GTY Options): Clarify that variable_size produces
        allocators taking size in bytes, compare with length option.  Add
        size calculation example.
        (Invoking the garbage collector): Ensure that sentences are
        followed by two spaces.  Describe that pointer fields must be
        initialized at ggc_collect call.
        (Troubleshooting): New section.

2010-11-09  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/40436
        * ipa-inline.c (leaf_node_p): Implement using is_inexpensive_builtin.
        * tree-inline.c (estimate_num_insns): Inexpensive builtins are like
        normal instructions; be sure bultin is not implemented in this file;
        compute non-zero return cost.
        (init_inline_once): Reduce builtin_call_cost to 1; set return cost.
        * tree-inline.h (eni_weights_d): Add return cost.

2010-11-09  Joseph Myers  <joseph@codesourcery.com>

        * c-parser.c (c_parser_struct_declaration): Handle declaration
        specifiers followed by CPP_CLOSE_BRACE.

2010-11-09  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/rs6000.md (floatsi<mode>2_lfiwax): Rewrite so
        split occurs before reload, and we allocate memory at the time of
        the split, not during expansion.  Add attributes.
        (floatsi<mode>2_lfiwax_mem): Ditto.
        (floatunssi<mode>2_lfiwzx): Ditto.
        (floatunssi<mode>2_lfiwzx_mem): Ditto.
        (floatsidf2): Ditto.
        (floatunssisf2): Ditto.
        (floatunssidf2): Ditto.
        (fix_trunc<mode>si2): Ditto.
        (fix_trunc<mode>si2_stfiwx): Ditto.
        (fix_trunc<mode>si2_internal): Ditto.
        (fix_trunc<mode>si2): Ditto.
        (fix_trunc<mode>di2): Ditto.
        (fixuns_trunc<mode>si2_stfiwx): Ditto.
        (floatsisf2): Ditto.
        (floatdidf2_mem): Ditto.
        (floatunsdidf2_mem): Ditto.
        (floatunsdidf2): Ditto.
        (floatdisf2_internal1): Ditto.
        (floatdisf2_mem): Ditto.
        (floatunsdisf2_mem): Ditto.
        (floatsi<mode>2_lfiwax_mem2): Delete.
        (floatunssi<mode>2_lfiwzx_mem2): Ditto.
        (fix_trunc<mode>si2_mem): Ditto.
        (fixuns_trunc<mode>si2_mem): Ditto.
        (round32<mode>2_fprs): New combiner insn to combine (double)(int)
        type operations to reduce copying the values to multiple memory slots.
        (roundu32<mode>2_fprs): Ditto.

        * config/rs6000/rs6000.c (rs6000_address_for_fpconvert): Handle
        PRE_INC, PRE_DEC, PRE_MODIFY.
        (rs6000_expand_convert_si_to_sfdf): Delete, no longer used.

        * config/rs6000/rs6000-protos.h (rs6000_expand_convert_si_to_sfdf):
        Delete prototype.

2010-11-09  Jakub Jelinek  <jakub@redhat.com>

        PR target/43808
        * cfgexpand.c (partition_stack_vars): Call
        update_alias_info_with_stack_vars unconditionally.
        (update_alias_info_with_stack_vars): Allow unused
        unreferenced vars when not optimizing.

2010-11-09  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/46036
        * tree-if-conv.c (predicate_bbs): Call unshare_expr before
        add_to_dst_predicate_list.

2010-11-09  Jakub Jelinek  <jakub@redhat.com>

        PR debug/46171
        * df-problems.c (struct dead_debug_use, struct dead_debug): Move
        earlier.
        (df_set_unused_notes_for_mw, df_create_unused_note): Add DEBUG
        argument, call dead_debug_reset when adding REG_UNUSED note.
        (dead_debug_reset): New function.
        (df_note_bb_compute): Adjust df_set_unused_notes_for_mw and
        df_create_unused_note callers.

2010-11-09  Anatoly Sokolov  <aesok@post.ru>

        * config/fr30/fr30.c: Include "df.h".

2010-11-09  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/46355
        * tree-loop-distribution.c (tree_loop_distribution): Do not
        distribute loops without a single exit.

2010-11-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        PR rtl-optimization/46237
        * ira-conflicts.c (ira_build_conflicts): Record conflicts for call
        saved hard regs if they might get partially clobbered.

2010-11-09  Paul Koning  <ni1d@arrl.net>

        * config/pdp11/pdp11.md (lshrsi3, lshrhi3): Use add for decrement.

2010-11-09  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/46177
        * tree-loop-distribution.c (prop_phis): Remove.
        (generate_builtin): Re-use the old loop exit edge to avoid
        needing to update PHI nodes.

2010-11-09  Joern Rennecke  <amylaar@spamcop.net>

        * config/i386/i386.c (ix86_expand_split_stack_prologue): Change
        type of args_size to unsigned HOST_WIDE_INT.

        PR target/44755
        * config.gcc (picochip-*): Add t-pnt16-warn to tmake_file.
        * config/t-pnt16-warn: New file.
        * config/picochip/picochip.c (picochip_emit_stack_allocate):
        Use add_reg_note.
        (picochip_emit_save_register): Likewise.
        (picochip_emit_restore_register): Remove variable insn.
        (picochip_legitimize_address): Don't use C++ style comments.
        (picochip_legitimize_reload_address): Likewise.
        (reorder_var_tracking_notes): Remove variable vliw_start.
        (picochip_reorg): Cast first arguemnt to emit_note_after to
        enum insn_note.
        (picochip_expand_builtin_2op): Use EXPAND_NORMAL.
        (picochip_expand_builtin_3op): Likewise.
        (picochip_expand_builtin_2opvoid): Likewise.
        (picochip_expand_array_get, picochip_expand_array_put): Likewise.
        (picochip_expand_array_testport): Likewise.
        (picochip_init_builtins): Remove unused variables.
        * config/picochip/picochip.h (ASM_FORMAT_PRIVATE_NAME): Cast LABELNO
        to unsigned long, and output it as such.
        (ASM_OUTPUT_SKIP): Use HOST_WIDE_INT_PRINT_UNSIGNED.
        * config/picochip/picochip.md (movhicc): Remove nonsense statement.
        (schedType): Cast result of picochip_schedule_type to
        enum attr_schedType.

        PR target/44759
        * config/mn10300/mn10300.c (SIZE_FMOV_LIMIT): Promote all arms of
        conditional to type of S.
        (mn10300_function_arg): Remove unused variable align.
        (mn10300_arg_partial_bytes): Likewise.
        * config/mn10300/mn10300.md (attribute cpu): Cast value to
        enum attr_cpu.

2010-11-09  H.J. Lu  <hongjiu.lu@intel.com>

        PR bootstrap/46392
        * gengtype-parse.c (type): Call get_input_file_name to get file name.

2010-11-09  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.h (contains_placeholder_p): Fix comment.
        (type_contains_placeholder_p): Adjust comment.
        * tree.c (contains_placeholder_p): Fix comment.
        (type_contains_placeholder_1): Do not recurse on pointed-to types and
        adjust comment.
        (type_contains_placeholder_p): Add comment.

2010-11-09  Paul Koning  <ni1d@arrl.net>

        * config/pdp11/pdp11.c (pdp11_assemble_integer): Clean up fix for
        output of byte values.

2010-11-09  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/46360
        * tree-ssa-propagate.c (update_call_from_tree): Fix for use
        not in SSA mode.

2010-11-09  Richard Guenther  <rguenther@suse.de>

        PR middle-end/46221
        * varasm.c (compute_visible_aliases): New function.
        (remove_unreachable_alias_pairs): Aliases make a target available
        even though we reclaimed the cgraph node.
        (finish_aliases_1): Likewise.
        * Makefile.in (varasm.o): Add pointer-set.h dependency.

2010-11-09  Nick Clifton  <nickc@redhat.com>

        * config/mn10300/mn10300-modes.def: New file.

2010-11-09  Basile Starynkevitch  <basile@starynkevitch.net>
            Jeremie Salvucci  <jeremie.salvucci@free.fr>

        * gengtype.c (get_output_file_name): Declaration moved to gengtype.h.
        (plugin_files, get_file_basename, get_file_realbasename)
        (get_file_langdir, error_at_line, gt_files, this_file)
        (system_h_file, read_input_list, create_field_all)
        (get_file_srcdir_relative_path, get_file_basename)
        (get_file_langdir, get_file_gtfilename)
        (get_output_file_with_visibility, get_output_file_name)
        (struct flist, put_mangled_filename, walk_type)
        (put_mangled_filename, finish_root_table, write_roots): Use
        input_file-s.
        (lang_dir_names, num_lang_dirs): Remove static.
        (get_lang_bitmap, set_lang_bitmap): Moved to gengtype.h.
        (main): Use input_file-s.

        * gengtype.h: (struct input_file_st, input_file): New type.
        (struct fileloc): Use it.
        (gt_files, num_gt_files, this_file, system_h_file)
        (input_file_by_name, get_file_srcdir_relative_path): Use input_file.
        (get_input_file_name): New function.
        (get_lang_bitmap, set_lang_bitmap): Moved from gengtype.c and
        use input_file.
        (lang_dir_names, num_lang_dirs, get_output_file_with_visibility)
        (get_output_file_name): Ditto.

        * gengtype-lex.l (yybegin): Use input_file.

        * gengtype-parse.c (parse_error): Use input_file.

2010-11-08  Xinliang David Li  <davidxl@google.com>

        PR tree-optimization/46316
        * tree-vrp.c (adjust_range_with_scev): Check double_int overflow.
        * double-int.h (double_int_mul_with_sign): New function.
        * double-int.c (double_int_mul_with_sign): New function.

2010-11-08  Paul Koning  <ni1d@arrl.net>

        * config/pdp11/pdp11.md (lshrsi3, lshrhi3): Fix wrong code.

2010-11-08  Paul Koning  <ni1d@arrl.net>

        * config/pdp11/pdp11.md (negsi2): Fix wrong code.

2010-11-08  Paul Koning  <ni1d@arrl.net>

        * config/pdp11/pdp11.c (pdp11_assemble_integer): Mask byte values
        to 8 bits.

2010-11-08  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/46378
        * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
        turn on ISA 2.04 rounding instructions for power5.

        * config/rs6000/rs6000.md (friz): Friz is an ISA 2.04 instruciton,
        not ISA 2.02.

        PR target/45585
        * config/rs6000/darwin.md (movdi_low): Allow DImode values to be
        in FPR registers.
        (movdi_low_st): Ditto.

2010-11-08  Joern Rennecke  <amylaar@spamcop.net>
            Richard Henderson  <rth@redhat.com>

        PR target/44758
        * config/frv/frv.md (attribute cpu): Cast value to enum attr_cpu.
        (attribute acc_group): Cast value to enum attr_acc_group.
        (*movdi_nodouble+6): Use gen_int_mode.
        * config/frv/frv-protos.h (frv_trampoline_size): Declare no matter
        if RTX_CODE is defined or not.
        * config/frv/frv.c (enum frv_io_type): New enum, broken out of
        struct frv_io.
        (frv_handle_option): Mark parameter value with ATTRIBUTE_UNUSED.
        (frv_frame_access, frv_expand_prologue): Remove unused variables.
        (frv_expand_block_clear): Likewise.
        (frv_trampoline_init): Use LCT_NORMAL.
        (struct frv_packet_group): New struct, broken out of type of
        frv_packet.
        (frv_start_packet, frv_reorder_packet): Initialize group to GROUP_I,
        use cast in loop counter increment.
        (frv_extract_membar): Cast HOST_WIDE_INT to enum frv_io_type before
        assigning to io->type.
        (bdesc_set): Use rtx_code UNKNOWN in initializer.
        (bdesc_1arg, bdesc_2arg, bdesc_int_void2arg): Likewise.
        (bdesc_prefetches, bdesc_cut, bdesc_2argimm, bdesc_void2arg): Likewise.
        (bdesc_void3arg, bdesc_voidacc, bdesc_loads, bdesc_stores): Likewise.
        (frv_read_argument): Use expand_normal.

        PR target/44757
        * config/lm32/lm32.h (LEGITIMATE_CONSTANT_P): Call
        lm32_legitimate_constant_p.
        * config/lm32/lm32.md (ashlsi3): Remove unused variable.
        * config/lm32/lm32.c (gen_int_relational): Make new block for
        LE / LT / LEU / LTU case.  Declare variables at start of block.
        (lm32_block_move_inline): Use XALLOCAVEC.

2010-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/i386/i386.c (ix86_function_arg_boundary): Fix warning message.

2010-11-08  Basile Starynkevitch  <basile@starynkevitch.net>

        * gengtype (get_output_file_for_structure): Ensure type is union
        or struct.
        (write_splay_tree_allocator_def): Use
        get_output_file_with_visibility.

2010-11-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.c (s390_handle_arch_option): Set type and flags
        to defined values in case of an error.
        (s390_option_override): Skip further processing if the -march
        parameter wasn't recognized.

2010-11-08  Joern Rennecke  <amylaar@spamcop.net>

        * caller-save.c (reg_save_code): After HARD_REGNO_MODE_OK check fails,
        assert that REG is a hard register number before using it as an index.

        PR bootstrap/46358
        * config/i386/i386.c (ix86_expand_split_stack_prologue):
        Avoid warnings when HOST_WIDE_INT is 32 bit.

2010-11-08  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/46208
        * config/sparc/sparc.c (TARGET_PROMOTE_PROTOTYPES): Delete.
        (sparc_promote_prototypes): Likewise.
        (sparc_promote_function_mode): Promote in 32-bit mode as well.
        (sparc_return_in_memory): Remove superfluous parentheses.
        (sparc_struct_value_rtx): Fix long lines.
        (sparc_function_value_1): Promote in 32-bit mode as well.

2010-11-08  Andrey Belevantsev  <abel@ispras.ru>

        PR rtl-optimization/45352
        * sel-sched.c (find_best_expr): Do not set pneed_stall when
        the variable_issue hook is not implemented.
        (fill_insns): Remove dead variable stall_iterations.
        (init_seqno_1): Force EBB start for resetting sched cycles on any
        successor blocks of the rescheduled region.
        (sel_sched_region_1): Use bitmap_bit_p instead of bitmap_clear_bit.
        (reset_sched_cycles_in_current_ebb): Add debug printing.
        New variable issued_insns.  Advance state when we have issued
        issue_rate insns.

2010-11-08  Basile Starynkevitch  <basile@starynkevitch.net>

        * gengtype (main): Get here's position using POS_HERE macro for
        do*typedef calls.

2010-11-07  Ian Lance Taylor  <iant@google.com>

        PR target/46089
        * config/i386/i386.c (split_stack_fn_large): New static variable.
        (ix86_expand_split_stack_prologue): Handle large model.

2010-11-07  Andreas Schwab  <schwab@linux-m68k.org>

        * config/m68k/m68k.c (m68k_delegitimize_address): Update to handle
        all possible addressing modes.

2010-11-07  Uros Bizjak  <ubizjak@gmail.com>

        PR tree-optimization/46346
        * tree-ssa-forwprop.c (rhs_to_tree): Handle GIMPLE_TERNARY_RHS.

2010-11-07  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.c: Revert previous patch.
        * config/mips/mips.md: Likewise.

2010-11-07  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.c (mips_rtx_costs): Handle FMA.
        * config/mips/mips.md (*madd4<mode>, *madd3<mode>, *msub4<mode>)
        (*msub3<mode>, *nmadd4<mode>_fastmath, *nmadd3<mode>_fastmath)
        (*nmsub4<mode>_fastmath, *nmsub3<mode>_fastmath): Delete.
        (*nmadd4<mode>, *nmadd3<mode>. *nmsub4<mode>, *nmsub3<mode>): Redefine
        to use FMA.
        (fma<mode>4, *fma<mode>4_madd3, *fma<mode>4_madd4): New patterns.
        (fms<mode>4, *fms<mode>4_msub3, *fms<mode>4_msub4): Likewise.
        (fnms<mode>4, *fnms<mode>4_nmadd3, *fnms<mode>4_nmadd4): Likewise.
        (fnma<mode>4, *fnma<mode>4_nmsub3, *fnma<mode>4_nmsub4): Likewise.

2010-11-06  Simon Martin  <simartin@users.sourceforge.net>

        PR c/43384
        * c-decl.c (lookup_label): Labels can only be referenced in a
        function's scope.
        (store_parm_decls_oldstyle): Skip erroneous parameters.

2010-11-06  Anatoly Sokolov  <aesok@post.ru>

        * config/fr30/fr30.h (FUNCTION_VALUE_REGNO_P, FUNCTION_VALUE,
        LIBCALL_VALUE): Remove macros.
        * config/fr30/fr30.c (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
        TARGET_FUNCTION_VALUE_REGNO_P): Define.
        (fr30_function_value_regno_p, fr30_function_value,
        fr30_libcall_value): New functions.

2010-11-06  Joern Rennecke  <amylaar@spamcop.net>

        PR middle-end/46314
        * target.def (generate_internal_label): New asm_out hook.
        * output.h (default_generate_internal_label): Declare.
        * varasm.c (default_generate_internal_label): Define.

2010-11-06  Iain Sandoe  <iains@gcc.gnu.org>

        PR target/44981
        * doc/extend.tex (format): Document NSString extension.
        (format_arg): Likewise.
        (Darwin Format Checks): New section.
        * doc/tm.texi: Document string object hooks (generated).
        * doc/tm.texi.in (TARGET_OBJC_CONSTRUCT_STRING_OBJECT) Rename.
        (TARGET_STRING_OBJECT_REF_TYPE_P): New.
        (TARGET_CHECK_STRING_OBJECT_FORMAT_ARG): New.
        * target.def (objc_construct_string_object): Rename, amend
        documentation.
        (string_object_ref_type_p): New hook.
        (check_string_object_format_arg): New hook.
        * c-parser.c (c_parser_attributes): Allow objective-c class names as
        attribute identifiers.
        * config/darwin-c.c (darwin_cfstring_ref_p): New.
        (darwin_check_cfstring_format_arg): New.
        (darwin_additional_format_types): New.
        * config/darwin-protos.h (darwin_cfstring_ref_p) New.
        (darwin_check_cfstring_format_arg): New.
        * config/darwin.h (TARGET_OBJC_CONSTRUCT_STRING_OBJECT) Renamed.
        (TARGET_STRING_OBJECT_REF_TYPE_P): New.
        (TARGET_N_FORMAT_TYPES): New.
        (TARGET_CHECK_STRING_OBJECT_FORMAT_ARG): New.

2010-11-06  Eric Botcazou  <ebotcazou@adacore.com>
            Pascal Obry  <obry@adacore.com>

        * config/i386/cygming.h (DWARF_FRAME_REGISTERS): Redefine.  Use 33
        in 64-bit mode and 17 otherwise.

2010-11-06  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        PR debug/45939
        * var-tracking.c (emit_note_insn_var_location): Make sure that
        call related var location notes come before the normal ones.

2010-11-05  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/46326
        * config/i386/i386.c (ix86_delegitimize_address): Fix a typo
        in the last change.

2010-11-05  Ian Lance Taylor  <iant@google.com>

        * explow.c (allocate_dynamic_stack_space): Check MALLOC_ABI_ALIGNMENT.

2010-11-05  Jakub Jelinek  <jakub@redhat.com>

        PR c/44772
        * c-decl.c (warn_cxx_compat_finish_struct): Don't call
        pointer_set_contains if DECL_NAME is NULL.

2010-11-05  Ian Lance Taylor  <iant@google.com>

        PR target/46084
        * explow.c (allocate_dynamic_stack_space): If flag_split_stack,
        request enough additional space for alignment, and force alignment.

2010-11-05  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/i386.c (legitimate_pic_address_disp_p):
        Handle UNSPEC_PCREL.
        (ix86_legitimate_address_p): Likewise.
        (legitimize_pic_address): Likewise.
        (output_pic_addr_const): Likewise.
        (ix86_delegitimize_address): Likewise.
        (ix86_find_base_term): Likewise.
        (memory_address_length): Likewise.
        (x86_output_mi_thunk): Handle special case x64
        for non local binding.
        * config/i386/i386.md (UNSPEC_PCREL): New.
        * config/i386/winnt.c (i386_pe_binds_local_p):
        Allow weak symbol for x64 windows with non-local binding.

2010-11-05  Jakub Jelinek  <jakub@redhat.com>

        PR target/45670
        * expr.c (expand_expr_real_1) <case MEM_REF>: Use EXPAND_SUM
        instead of EXPAND_NORMAL for base expansion.

2010-11-05  Uros Bizjak  <ubizjak@gmail.com>

        * config.gcc: Support --with-fpmath=avx for x86.
        * config/i386/avxmath.h: New.
        * doc/install.texi (--with-fpmath=): Document --with-fpmath=avx.

2010-11-05  Ian Lance Taylor  <iant@google.com>

        * tree.h (struct tree_type): Don't use descbits in GTY annotation.
        * gengtype.c (walk_type): Don't recognize descbits option.

2010-11-05  Joseph Myers  <joseph@codesourcery.com>

        * defaults.h (DEFAULT_WORD_SWITCH_TAKES_ARG,
        WORD_SWITCH_TAKES_ARG): Remove.
        * doc/options.texi (Args): Document.
        * doc/tm.texi.in (WORD_SWITCH_TAKES_ARG): Remove.
        * doc/tm.texi: Regenerate.
        * opt-functions.awk (switch_flags): Handle Args.
        * opts-common.c: Update comment on tm.h include.
        (decode_cmdline_option): Handle options with multiple arguments.
        Don't check WORD_SWITCH_TAKES_ARG for unknown options.
        * opts.h (CL_SEPARATE_NARGS_SHIFT, CL_SEPARATE_NARGS_MASK): Define.
        (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_DRIVER, CL_TARGET,
        CL_COMMON): Update values.
        * system.h (WORD_SWITCH_TAKES_ARG): Poison.
        * config/darwin.h (WORD_SWITCH_TAKES_ARG): Remove.
        * config/darwin.opt (Zsegaddr, sectalign, sectcreate,
        sectobjectsymbols, sectorder, segcreate, segprot): New.

2010-11-05  H.J. Lu  <hongjiu.lu@intel.com>
            Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_expand_move): Set use_avx256_p if
        256bit AVX register is used.
        (ix86_expand_vector_move_misalign): Likewise.
        (ix86_expand_vector_move): Replace use_avx256_p with
        VALID_AVX256_REG_MODE.

2010-11-05  Joern Rennecke  <amylaar@spamcop.net>

         PR target/44750
        * config/pdp11/t-pdp11 (dwarf2out.o, java/constants.o): Undo last
        change.  Set $@-warn.o to -Wno-error.

        PR bootstrap/44756
        * expr.c (emit_push_insn): Cast value of PUSH_ROUNDING before
        comparing it to a signed value.

        PR middle-end/44766
        * expr.c (can_store_by_pieces): Add ATTRIBUTE_UNUSED to cst.
        PR bootstrap/44770
        * haifa-sched.c (initiate_bb_reg_pressure_info): Add ATTRIBUTE_UNUSED
        to i.

        PR target/44754
        * config/m32c/m32c.c (m32_function_arg): Rename declaration to...
        (m32c_function_arg).  Add comma between arguments two and three.
        (m32c_promote_prototypes): Remove declaration.
        (current_function_special_page_vector): Likewise.
        (m32c_regno_reg_class): Change return type to enum reg_class.
        (m32c_pushm_popm): Use add_reg_note.
        (m32c_push_rounding): Change return type to unsigned int.
        (m32c_legitimize_reload_address): Cast argument 11 to push_reload to
        enum reload_type.
        (m32c_insert_attributes): Constify variable name.
        (m32c_output_aligned_common): Add ATTRIBUTE_UNUSED to argument decl.
        (m32c_prepare_shift): Remove variable lref.
        (m32c_expand_movcc): Remove variable cmp.
        (m32c_expand_insv): Fix check of op0 rtx_code to use GET_CODE.
        (m32c_compare_redundant): Remove variable op2.
        * config/m32c/m32c-pragma.c ("c-family/c-common.h"): Include.
        (m32c_pragma_memregs): Assign the number to target_memregs.
        (m32c_pragma_address): Remove variable var_str.
        * config/m32c/m32c.h (REG_CLASS_FROM_CONSTRAINT): Case value to
        enum reg_class.
        (LIMIT_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
        * config/m32c/bitops.md (andsi3): Add default case to switch.
        (iorsi3, xorsi3): Likewise.
        * config/m32c/addsub.md (addsi3_1, subsi3_1): Likewise.
        * config/m32c/jump.md (call, call_value): Likewise.
        * config/m32c/m32c-protos.h (m32c_push_rounding): Update prototype.
        (m32c_regno_reg_class): Likewise.
        (current_function_special_page_vector): Declare.

2010-11-05  Jakub Jelinek  <jakub@redhat.com>

        * cfgexpand.c (expand_debug_expr): Handle MEM_REF with non-zero offset.

        PR tree-optimization/46099
        * tree-parloops.c (take_address_of): Add GSI argument.  Return NULL
        if it is NULL and uid wasn't found in the hash table.  Just fold the
        result if it is NULL otherwise.  Insert other potentially needed
        stmts right before current stmt instead of on the entry edge.
        (struct elv_data): Add gsi and reset fields.
        (eliminate_local_variables_1): Adjust caller.  If take_address_of
        failed for debug stmt, set dta->reset and return.
        (eliminate_local_variables_stmt): Change STMT argument for GSI,
        pass GSI through to the callback, handle resetting of debug stmts.
        (eliminate_local_variables): Adjust caller.  Process debug stmts
        in second phase.

        PR middle-end/43690
        * gimplify.c (gimplify_asm_expr): If a "m" input is a
        {pre,post}{in,de}crement, fail.

        PR debug/46307
        * tree-ssa-operands.c (get_expr_operands): Handle FMA_EXPR.
        * tree-pretty-print.c (dump_generic_node): Likewise.
        (op_code_prio): Likewise.
        * cfgexpand.c (expand_debug_expr): Likewise.

2010-11-04  Paul Koning  <ni1d@arrl.net>

        * doc/md.texi (Machine Constraints): Correct formatting in PDP-11
        constraints.

2010-11-04  Chao-ying Fu  <fu@mips.com>

        * configure.ac: Test assembler support for DSP Rev1 mult.
        * configure: Regenerate.
        * config.in: Regenerate.
        * config/mips/mips.h (ISA_HAS_DSP_MULT): New define.
        * config/mips/mips.c (CODE_FOR_mips_mult): New define.
        (CODE_FOR_mips_multu): New define.
        (mips_builtins): Move madd, maddu, msub, msubu, mult, multu from
        dspr2_32 to dsp_32.
        (mips_mulsidi3_gen_fn): Test (TARGET_FIX_R4000 && !ISA_HAS_DSP).
        Delete returns when ISA_HAS_DSPR2 because the old patterns are deleted.
        * config/mips/mips-dsp.md (mips_madd<u>, mips_msub<u>):
        New define_expand patterns.
        * config/mips/constraints.md (ka): Update the constraint to test
        ISA_HAS_DSP_MULT instead of ISA_HAS_DSPR2.
        * config/mips/mips-dspr2.md (mips_madd<u>, mips_msub<u>, mips_mult,
        mips_multu): Delete.
        * config/mips/mips.md (<u>mulsidi3_32bit): Add comments.
        Change target constraint to "ka".
        Use (!TARGET_FIX_R4000 || ISA_HAS_DSP), instead of
        (!TARGET_FIX_R4000 && !ISA_HAS_DSPR2).
        Emit the accumulator destination when ISA_HAS_DSP_MULT.
        (<u>msubsidi4): Add comments.  Test ISA_HAS_DSP.
        Emit the accumulator destination when ISA_HAS_DSP_MULT.
        (<u>maddsidi4): Likewise.
        * doc/extend.texi (MIPS DSP Built-in Functions): Move madd, maddu,
        msub, msubu, mult, multu built-in functions from DSP r2 to DSP r1.

2010-11-04  Paul Koning  <ni1d@arrl.net>

        * doc/md.texi (Machine Constraints): Add PDP-11 constraints.

2010-11-04  Paul Koning  <ni1d@arrl.net>

        * doc/invoke.texi (PDP-11 Options): Delete -msplit, -mno-split.

2010-11-04  Nicola Pero  <nicola.pero@meta-innovation.com>

        Fixed using the Objective-C 2.0 dot-syntax with class names.
        * c-parser.c (c_parser_next_token_starts_declspecs): In
        Objective-C, detect Objective-C 2.0 dot-syntax with a class name.
        (c_parser_next_token_starts_declaration): Same.
        (c_parser_postfix_expression): Parse the Objective-C 2.0
        dot-syntax with a class name.

2010-11-04  Pat Haugen  <pthaugen@us.ibm.com>

        * final.c (compute_alignments): Compute/free loop info all the time.
        * config/rs6000/rs6000.h (LOOP_ALIGN): Define.
        * config/rs6000/rs6000-protos.h (rs6000_loop_align): Declare.
        * config/rs6000/t-rs6000 (rs6000.o): Add cfgloop.h.
        * config/rs6000/rs6000.c (cfgloop.h): Include.
        (can_override_loop_align): New.
        (rs6000_option_override_internal): Set it.
        (TARGET_ASM_LOOP_ALIGN_MAX_SKIP): Define target hook.
        (rs6000_loop_align): New function.
        (rs6000_loop_align_max_skip): Likewise.

2010-11-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR driver/45703
        * collect2.c (main): Print --help output to stdout.  Do not
        exit right away, so ld --help is appended.  Add empty lines
        to separate output suitably.

2010-11-04  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/46233
        * ipa-pure-const.c (local_pure_const): Do noreturn discovery
        after calling analyze_function, not before.

        PR target/46234
        * config/rs6000/rs6000.c (rs6000_va_start): Use build_simple_mem_ref
        instead of build_va_arg_indirect_ref.
        * config/spu/spu.c (spu_va_start): Likewise.
        * config/s390/s390.c (s390_va_start): Likewise.

2010-11-03  Uros Bizjak  <ubizjak@gmail.com>

        PR middle-end/46292
        * lower-subreg.c (simplify_subreg_concatn): For VOIDmode elements,
        if the innermode is not vector mode, determine the mode of a subreg
        by using mode_for_size of inner_size.

2010-11-04  Richard Guenther  <rguenther@suse.de>

        PR rtl-optimization/46183
        * gcse.c (execute_rtl_cprop): Cleanup the CFG if something changed.
        (execute_rtl_pre): Likewise.
        (execute_rtl_hoist): Likewise.

2010-11-04  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/46068
        * ipa-split.c (consider_split): Remove gcc_unreachable.

2010-11-04  Richard Guenther  <rguenther@suse.de>

        * tree-nested.c (build_addr): Use build_fold_addr_expr.

2010-11-04  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/45991
        * gimplify.c (force_gimple_operand_1): Use the provded test
        function in the initial test.

2010-11-04  Jeff Law  <law@redhat.com>

        * ira.c (validate_equiv_mem): Remove code to avoid invalidation
        of readonly memory equivalances for const/pure calls.

2010-11-04  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/45733
        * tree-vect-stmts.c (reverse_vec_elements): Honor the
        permute builtins function return type.

2010-11-04  Joern Rennecke  <amylaar@spamcop.net>

        PR middle-end/44765
        * emit-rtl.c (gen_rtx_REG): Before using PIC_OFFSET_TABLE_REGNUM
        as an index, check it is not INVALID_REGNUM.

        PR bootstrap/44756
        * ifcvt.c (noce_emit_cmove): Add ATTRIBUTE_UNUSED to target and
        unsignedp.
        * reload1.c (set_reload_reg): Add ATTRIBUTE_UNUSED to regno.

        PR bootstrap/44756
        * function.c (thread_prologue_and_epilogue_insns): Add
        ATTRIBUTE_UNUSED to seq, epilogue_end and entry_edge.

        PR bootstrap/44756
        * varasm.c (asm_output_bss): Add ATTRIBUTE_UNUSED to function.

        PR target/44750
        * config/pdp11/pdp11.c: (pdp11_secondary_reload): Now static.
        (pdp11_preferred_reload_class): Rename class to rclass.
        (pdp11_preferred_output_reload_class): Likewise.
        * config/pdp11/t-pdp11 (dwarf2out.o): Add -Wno-error=type-limits to
        ALL_COMPILERFLAGS .
        (java/constants.o): Add -Wno-error to ALL_COMPILERFLAGS.

        PR bootstrap/44756
        * genopinit.c (main) [FIXUNS_TRUNC_LIKE_FIX_TRUNC]: Cast
        iteration variables to enum machine_mode.

        PR target/44751
        * config/h8300/h8300.c: Include df.h.
        (push, pop): Use add_reg_note.
        (compute_plussi_cc, compute_logical_op_cc): Return enum attr_c.
        (compute_a_shift_cc): Likewise.
        (expand_a_shift): Argument code has type enum rtx_code.
        (struct shift_insn): Member cc_valid has type enum attr_cc.
        (struct shift_info) <cc_inline, cc_special>: Likewise.
        enum attr_cc.
        * config/h8300/h8300-protos.h (compute_plussi_cc): Update prototype.
        (compute_a_shift_cc, compute_logical_op_cc, expand_a_shift): Likewise.

2010-11-04  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/46213
        * tree-vect-loop.c (vect_is_simple_reduction_1): Handle
        MINUS_EXPR only if the first operand is reduction operand.

2010-11-04  Richard Guenther  <rguenther@suse.de>
            Richard Henderson  <rth@redhat.com>

        * tree.def (FMA_EXPR): New tree code.
        * expr.c (expand_expr_real_2): Add FMA_EXPR expansion code.
        * gimple.c (gimple_rhs_class_table): FMA_EXPR is a GIMPLE_TERNARY_RHS.
        * tree-cfg.c (verify_gimple_assign_ternary): Verify FMA_EXPR types.
        * tree-inline.c (estimate_operator_cost): Handle FMA_EXPR.
        * gimple-pretty-print.c (dump_ternary_rhs): Likewise.
        * tree-ssa-math-opts.c (convert_mult_to_fma): New function.
        (execute_optimize_widening_mul): Call it.  Reorganize to allow
        dead stmt removal.  Move TODO flags ...
        (pass_optimize_widening_mul): ... here.
        * flag-types.h (enum fp_contract_mode): New enum.
        * common.opt (flag_fp_contract_mode): New variable.
        (-ffp-contract): New option.
        * opts.c (common_handle_option): Handle it.
        * doc/invoke.texi (-ffp-contract): Document.
        * tree.h (fold_fma): Declare.
        * builtins.c (fold_fma): New function.
        (fold_builtin_fma): Likewise.
        (fold_builtin_3): Call it for fma.
        * fold-const.c (fold_ternary_loc): Fold FMA_EXPR.
        * optabs.c (optab_for_tree_code): Handle FMA_EXPR.
        * config/i386/sse.md (fms<mode>4, fnma<mode>, fnms<mode>4):
        New expanders.
        * doc/md.texi (fms<mode>4, fnma<mode>, fnms<mode>4): Document new
        named patterns.
        * genopinit.c (optabs): Initialize fms_optab, fnma_optab and fnms_optab.
        * optabs.h (enum optab_index): Add OTI_fms, OTI_fnma and OTI_fnms.
        (fms_optab, fnma_optab, fnms_optab): New defines.
        * gimplify.c (gimplify_expr): Handle binary truth expressions
        explicitly.  Handle FMA_EXPR.
        * tree-vect-stmts.c (vectorizable_operation): Handle ternary
        operations.

2010-11-04  Artjoms Sinkarovs  <artyom.shinakroff@gmail.com>
            Richard Guenther  <rguenther@suse.de>

        * passes.c (init_optimization_passes): Move veclower after SSA.
        * tree-vect-generic.c (uniform_vector_p): New function.
        (expand_vector_operations_1): Handle conversion.
        (pass_lower_vector): Update SSA form.

2010-11-04  Iain Sandoe  <iains@gcc.gnu.org>

        * configure.ac: Filter -mdynamic-no-pic from CFLAGS when testing for
        plugin capabilities.
        * configure: Regenerate.

2010-11-03  Xinliang David Li  <davidxl@google.com>

        PR target/46200
        * tree-ssa-loop-ivopts.c (get_computation_cost_at):
        Adjust cbase if the use stmt is after iv update.

2010-11-03  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config.gcc (sh64*) <tm_file>: Add newlib-stdint.h for newlib targets.

2010-11-03  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_expand_prologue): Remove unnecessary
        comment.  Pass true to the last argument of output_stack_adjust.

2010-11-03  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/46295
        * config/i386/i386.c (ix86_expand_vector_move): Set use_avx256_p
        if 256bit AVX register is used.

2010-11-03  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/rs6000.c (rs6000_emit_minmax): Add support to use
        xsmindp/xsmaxdp on VSX for single precision min/max.
        * config/rs6000/vsx.md (vsx_smaxsf3): Ditto.
        (vsx_sminsf3): Ditto.

2010-11-03  Eric Botcazou  <ebotcazou@adacore.com>

        * combine.c (try_combine): Fix formatting issues, improve comments and
        fix a pasto.

2010-11-03  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-tailcall.c (find_tail_calls): Convert the operands to the type
        of the result before building binary expressions.

2010-11-03  H.J. Lu  <hongjiu.lu@intel.com>

        PR rtl-optimization/45865
        * Makefile.in (df-problems.o): Revert revision 164552.
        * basic-block.h (enum bb_flags): Likewise.
        * cfgcleanup.c (block_was_dirty): Likewise.
        (try_forward_edges): Likewise.
        (try_crossjump_bb): Likewise.
        (try_head_merge_bb): Likewise.
        (try_optimize_cfg): Likewise.
        (cleanup_cfg): Likewise.
        * df-core.c (df_set_bb_dirty): Likewise.
        * df-problems.c: Likewise.
        (df_simulate_find_uses): Likewise.
        (MEMREF_NORMAL, MEMREF_VOLATILE): Likewise.
        (find_memory, find_memory_store): Likewise.
        (can_move_insns_across): Likewise.
        * df.h (can_move_insns_across): Likewise.
        * ifcvt.c (find_memory): Likewise.
        (dead_or_predicable): Likewise.

2010-11-03  Richard Guenther  <rguenther@suse.de>

        PR middle-end/46288
        * predict.c (strip_predict_hints): Simply DCE builtin expect if
        the result is unused.

2010-11-03  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/46009
        * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Call
        cond_if_else_store_replacement if bb1 and bb2 have the same
        single successor.
        (cond_store_replacement): Use gimple_assign_single_p, don't
        check if rhs is SSA_NAME or invariant.  Call release_defs for
        assign.
        (cond_if_else_store_replacement): New function.

2010-11-03  Richard Guenther  <rguenther@suse.de>

        * opts.c (finish_options): Properly check for all WHOPR
        flags before complaining about -flto-partition.

2010-11-04  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000.c (rs6000_pic_labelno): Make static.
        (rs6000_emit_load_toc_table): Don't use rs6000_pic_labelno when
        TARGET_SECURE_PLT.
        * config/rs6000/sysv4.h (rs6000_pic_labelno): Don't declare.
        * config/rs6000/rs6000.md (load_toc_v4_PIC_3b): Use "b" constraint
        on input, "r" on output.

2010-11-03  Nicola Pero  <nicola.pero@meta-innovation.com>

        Implemented -fobjc-std=objc1 flag.
        * doc/invoke.texi (Option Summary): Document -fobjc-std=objc1
        option.
        * doc/standards.texi (Standards): Updated the section on
        Objective-C; mention support for Objective-C 2.0 features and the
        new -fstd-objc=objc1 flag to disable them.

2010-11-03  Richard Guenther  <rguenther@suse.de>

        PR middle-end/46241
        * dwarf2out.c (scope_die_for): Properly detect global scope.

2010-11-03  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/46190
        * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
        Properly compute peel iterations.

2010-11-03  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/46286
        * tree-ssa-structalias.c (get_constraint_for_1): Avoid referencing
        re-allocated vector data.

2010-11-03  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/46285
        * config/i386/i386.c (ix86_expand_call): Conditionally decorate
        calls with UNSPEC_CALL_NEEDS_VZEROUPPER unspec before reload
        is completed.

2010-11-03  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/46217
        * tree-ssa.c (non_rewritable_mem_ref_base): Check if volatile
        flag matches.
        (execute_update_addresses_taken): Likewise.

2010-11-03  Joern Rennecke  <joern.rennecke@embecosm.com>

        PR bootstrap/44335
        * targhooks.c (targhook_words_big_endian): New function.
        (targhook_float_words_big_endian): Likewise.
        * targhooks.h (targhook_words_big_endian): Declare.
        (targhook_float_words_big_endian): Likewise.
        * target.def (words_big_endian, float_words_big_endian): New hooks.

2010-11-03  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/46165
        * tree-ssa-pre.c (eliminate): Return TODO_cleanup_cfg if changing
        a normal call into noreturn call.

2010-11-03  Richard Guenther  <rguenther@suse.de>

        PR middle-end/46251
        * builtins.c (expand_builtin_sincos): Properly build MEM_REFs,
        not INDIRECT_REFs.

2010-11-03  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/46107
        * cfgloopmanip.c (loop_version): Set irred_flag back into entry->flags
        if cfg_hook_duplicate_loop_to_header_edge failed.

2010-11-03  Ian Lance Taylor  <iant@google.com>

        PR lto/46273
        * config.gcc: Don't set lto_binary_reader.
        * doc/install.texi (Prerequisites): Remove libelf paragraphs.
        (Configuration): Mention --disable-lto.  Remove --with-libelf
        paragraph.

2010-11-03  Jakub Jelinek  <jakub@redhat.com>

        PR debug/46252
        * reload1.c (delete_dead_insn): Use prev_active_insn instead of
        prev_real_insn.
        * gcse.c (insert_insn_end_basic_block): Likewise.

        PR rtl-optimization/46034
        PR rtl-optimization/46212
        PR rtl-optimization/46248
        * combine.c (try_combine): If added_sets_2 where i0dest_in_i0src
        and i0 feeds i1 and i1 feeds i2 or i0 feeds i2, make a copy of i1src
        before i0dest -> i0src substitution and pass 1 instead of 0 as last
        argument to subst on i2pat.

2010-11-02  Ian Lance Taylor  <iant@google.com>

        * configure.ac: Use AC_SYS_LARGEFILE.
        * configure: Rebuild.
        * config.in: Rebuild.

2010-11-02  Nathan Froyd  <froydnj@codesourcery.com>

        * builtins.c (fold_builtin_signbit): Use build_zero_cst instead of
        fold_convert.
        * c-typeck.c (build_function_call_vec): Likewise.
        * cfgexpand.c (expand_debug_expr): Likewise.
        * cgraphunit.c (assemble_thunk): Likewise.
        * config/sparc/sparc.c (sparc_fold_builtin): Likewise.
        * fold-const.c (fold_unary_loc, fold_mult_zconjz): Likewise.
        (fold_binary_loc, fold_ternary_loc): Likewise.
        * gimple-fold.c (get_symbol_constant_value): Likewise.
        * gimple-low.c (lower_builtin_setjmp): Likewise.
        * gimple.c (gimple_cond_get_ops_from_tree): Likewise.
        * gimplify.c (gimplify_init_constructor): Likewise.
        * lambda.h (build_linear_expr): Likewise.
        * omp-low.c (omp_reduction_init): Likewise.
        * tree-inline.c (remap_ssa_name): Likewise.
        * tree-object-size.c (compute_object_sizes): Likewise.
        * tree-sra.c (init_subtree_with_zero): Likewise.
        (sra_ipa_modify_assign): Likewise.
        * tree-ssa-copy.c (propagate_tree_value_into_stmt): Likewise.
        * tree-ssa-reassoc.c (eliminate_duplicate_pair): Likewise.
        (eliminate_plus_minus_pair, eliminate_not_pairs): Likewise.
        (undistribute_ops_list): Likewise.
        * tree-ssa-sccvn.c (vn_reference_lookup_3): Likewise.
        * tree-vect-stmts.c (vectorizable_call): Likewise.
        * tree.c (build_vector_from_ctor, build_one_cst): Likewise.
        (build_zero_cst): Handle more cases directly.  Update comment.

2010-11-02  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386-protos.h (ix86_split_call_pop_vzeroupper): Removed.
        * config/i386/i386.c (ix86_split_call_pop_vzeroupper): Likewise.

        * config/i386/i386.md (*call_pop_0_vzeroupper): Use parallel
        and call ix86_split_call_vzeroupper instead of
        ix86_split_call_pop_vzeroupper.
        (*call_pop_1_vzeroupper): Likewise.
        (*sibcall_pop_1_vzeroupper): Likewise.
        (*call_value_pop_0_vzeroupper): Likewise.
        (*call_value_pop_1_vzeroupper): Likewise.
        (*sibcall_value_pop_1_vzeroupper): Likewise.

2010-11-02  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.md (*sibcall_1_rex64_vzeroupper): Fix a typo.

2010-11-02  Eric Botcazou  <ebotcazou@adacore.com>

        * basic-block.h (insert_insn_end_bb_new): Delete.
        * cfgrtl.c (insert_insn_end_bb_new): Likewise.

2010-11-02  Uros Bizjak  <ubizjak@gmail.com>
            H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386-protos.h (ix86_split_call_vzeroupper): New.
        (ix86_split_call_pop_vzeroupper): Likewise.

        * config/i386/i386.c (move_or_delete_vzeroupper_2): Rewrite the loop.
        (ix86_expand_call): Conditionally decorate calls with
        UNSPEC_CALL_NEEDS_VZEROUPPER unspec.
        (ix86_split_call_vzeroupper): New.
        (ix86_split_call_pop_vzeroupper): Likewise.

        * config/i386/i386.md (UNSPEC_CALL_NEEDS_VZEROUPPER): New.
        (*call_pop_0_vzeroupper): New insn_and_split pattern.
        (*call_pop_1_vzeroupper): Likewise.
        (*sibcall_pop_1_vzeroupper): Likewise.
        (*call_0_vzeroupper): Likewise.
        (*call_1_vzeroupper): Likewise.
        (*sibcall_1_vzeroupper): Likewise.
        (*call_1_rex64_vzeroupper): Likewise.
        (*call_1_rex64_ms_sysv_vzeroupper): Likewise.
        (*call_1_rex64_large_vzeroupper): Likewise.
        (*sibcall_1_rex64_vzeroupper): Likewise.
        (*call_value_pop_0_vzeroupper): Likewise.
        (*call_value_pop_1_vzeroupper): Likewise.
        (*sibcall_value_pop_1_vzeroupper): Likewise.
        (*call_value_0_vzeroupper): Likewise.
        (*call_value_0_rex64_vzeroupper): Likewise.
        (*call_value_0_rex64_ms_sysv_vzeroupper): Likewise.
        (*call_value_1_vzeroupper): Likewise.
        (*sibcall_value_1_vzeroupper): Likewise.
        (*call_value_1_rex64_vzeroupper): Likewise.
        (*call_value_1_rex64_ms_sysv_vzeroupper): Likewise.
        (*call_value_1_rex64_large_vzeroupper): Likewise.
        (*sibcall_value_1_rex64_vzeroupper): Likewise.

2010-11-02  Ian Lance Taylor  <iant@google.com>

        PR lto/46273
        * config.gcc: Revert last patch: set lto_binary_reader.

2010-11-02  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/46149
        * tree-ssa-structalias.c (get_constraint_for_1): Properly handle
        non-indirect MEM_REF variants.

2010-11-02  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/46216
        * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
        Check if we can propagate from a POINTER_PLUS_EXPR before doing so.

2010-11-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac (*-*-irix6*): Disable set_have_as_tls.
        (*-*-osf*): Likewise.
        * configure: Regenerate.

2010-11-02  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/driver-i386.c (host_detect_local_cpu): Updated
        for Intel Core 2 and Core i7.

2010-11-02  Maxim Kuvyrkov  <maxim@codesourcery.com>

        Model decoder of Core 2/i7 for multipass scheduling.

        * config/i386/i386-protos.h (struct ix86_first_cycle_multipass_data_):
        New type to hold target-specific data for multipass scheduling.
        (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DATA_T): Define.
        * config/i386/i386.c (ia32_multipass_dfa_lookahead): Update for
        Core 2/i7.
        (core2i7_secondary_decoder_max_insn_size,)
        (core2i7_secondary_ifetch_block_size, core2i7_ifetch_block_max_insns):
        New static variables.
        ([const_]ix86_first_cycle_multipass_data_t): New typedefs.
        ([_]ix86_first_cycle_multipass_data): New static variable.
        (core2i7_first_cycle_multipass_init, core2i7_dfa_poast_advance_cycle):
        Implement targetm.sched hooks.
        (core2i7_first_cycle_multipass_filter_ready_try): New static subroutine
        of ...
        (core2i7_first_cycle_multipass_{begin, issue, backtrack, end, fini}):
        Implement new targetm.sched hooks.
        (ix86_sched_init_global, TARGET_SCHED_INIT_GLOBAL): Define
        targetm.sched hook to install multipass scheduling hooks on demand.

        * doc/tm.texi.in: Document new targetm.sched hooks.
        * doc/tm.texi: Regenerate.

        * haifa-sched.c (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DATA_T): Define.
        (first_cycle_multipass_data_t): New typedef.
        (struct choice_entry: target_data): New field.
        (max_issue): Add first_cycle_insn_p parameter.  Call new target hooks
        to allow target model restrictions not represented in DFA.
        (choose_ready, schedule_block): Update.
        (sched_extend_ready_list, sched_finish_ready_list): Call new target
        hooks to initialize target-specific data for multipass scheduling.
        * sched-int.h (max_issue): Update declaration.
        * sel-sched.c (choose_best_insn): Update.
        * target.def (first_cycle_multipass_{begin, issue, backtrack},)
        (first_cycle_multipass_{init, fini}): Define and document new
        targetm.sched hooks.

2010-11-02  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/46184
        * tree-vect-loop.c (vectorizable_reduction): Try to obtain the
        input vector type from the reduction operand as well.

2010-11-02  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/46177
        * tree-loop-distribution.c (prop_phis): Use
        mark_virtual_phi_result_for_renaming.

2010-11-02  Martin Jambor  <mjambor@suse.cz>

        PR middle-end/46120
        * tree.c (get_binfo_at_offset): Bail out on artificial
        fields.  Identify primary bases according to their offsets.

2010-11-02  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/45875
        * gimple-fold.c (get_first_base_binfo_with_virtuals): Removed.
        (gimple_get_relevant_ref_binfo): Detect primary bases according to
        their field offset.

2010-11-02  Ian Lance Taylor  <iant@google.com>

        * doc/install.texi (Configuration): Note in two places that Java
        is not enabled by default.

2010-11-02  Ian Lance Taylor  <iant@google.com>

        * doc/install.texi (Prerequisites): Remove libelf paragraphs.
        (Configuration): Mention --disable-lto.  Remove --with-libelf
        paragraph.

2010-11-02  Ian Lance Taylor  <iant@google.com>

        * configure.ac: Remove elf_getshdrstrndx test.  Don't substitute
        LTO_BINARY_READER or LTO_USE_LIBELF.  Remove LIBELFLIBS and
        LIBELFINC.  Remove HAVE_libelf.
        * config.gcc: Don't set lto_binary_reader.
        * Makefile.in (LIBELFLIBS, LIBELFINC): Remove variables.
        (LTO_BINARY_READER, LTO_USE_LIBELF): Remove variables.
        (LIBS): Remove $(LIBELFLIBS).
        (INCLUDES): Remove $(LIBELFINC).
        * configure: Rebuild.
        * config.in: Rebuild.

2010-11-02  Nathan Froyd  <froydnj@codesourcery.com>

        * config/microblaze/microblaze-protos.h (function_arg): Delete.
        (function_arg_advance): Delete.
        * config/microblaze/microblaze.h (FUNCTION_ARG_ADVANCE): Delete.
        (FUNCTION_ARG): Delete.
        * config/microblaze/microblaze.c (function_arg_advance): Rename to...
        (microblaze_function_arg_advance): ...this.  Make static.  Take a
        const_tree and a bool.
        (function-arg): Rename to...
        (microblaze_function_arg): ...this.  Make static.  Take a const_tree
        and a bool.
        (microblaze_expand_prologue): Call targetm.calls.function_arg and
        targetm.calls.function_arg_advance.
        (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.

2010-11-02  Iain Sandoe  <iains@gcc.gnu.org>

        Merge from FSF "apple/trunk" branch.

        * config/rs6000/darwin.opt (mdynamic-no-pic): move from here ...
        * config/darwin.opt: .. to here.
        (matt-stubs): New option.
        * config/i386/darwin.opt: Delete.
        * config/i386/i386.h (MACHOPIC_ATT_STUB): New.
        (MACHO_DYNAMIC_NO_PIC_P): New.
        (MACHOPIC_INDIRECT): New.
        (MACHOPIC_PURE): New.
        * config/i386/darwin.h (DARWIN_X86) Define to 1.
        (MACHOPIC_ATT_STUB): New.
        (CC1_SPEC): Do not remove mdynamic-no-pic.
        Move HOT_TEXT_SECTION_NAME: move to config/darwin.h
        UNLIKELY_EXECUTED_TEXT_SECTION_NAME: Likewise.
        (FUNCTION_PROFILER): Correct over-length line.
        (SUBTARGET_OVERRIDE_OPTIONS): New.
        (MACHOPIC_NL_SYMBOL_PTR_SECTION): New.
        * config/i386/i386.c (config/i386/i386.c): Darwin has no PLT.
        (legitimate_constant_p): Handle mdynamic-no-pic.
        (ix86_legitimate_address_p): Likewise.
        (ix86_legitimize_address): Likewise.
        (ix86_expand_move): Likewise.
        (machopic_output_stub): Update for ATT-style stubs and
        mdynamic-no-pic.
        * config/darwin-protos.h (machopic_symbol_defined_p): New.
        * config/rs6000/darwin.h (DARWIN_PPC): Define to 1.
        TARGET_DYNAMIC_NO_PIC: Remove.
        Move HOT_TEXT_SECTION_NAME: move to config/darwin.h
        UNLIKELY_EXECUTED_TEXT_SECTION_NAME: Likewise.
        * config/rs6000/rs6000.c (darwin_rs6000_override_options):
        Remove handling of mdynamic-no-pic.
        * config/darwin.c (HAVE_lo_sum, gen_macho_high, gen_macho_low):
        Define if required.
        (machopic_symbol_defined_p): Do not try to use current_function_decl
        when generating _get_pc thunks within stubs.
        (machopic_indirect_data_reference): Rework for direct conditionals
        rather than #ifdefs, add x86 mdynamic-no-pic
        (machopic_legitimize_pic_address): Update to use HAVE_lo_sum with a
        defined value.
        (darwin_override_options): Handle mdynamic-no-pic here.
        * config/darwin-sections.def (machopic_lazy_symbol_ptr2_section): New.
        (machopic_lazy_symbol_ptr3_section): New.
        (machopic_picsymbol_stub2_section): New.
        (machopic_picsymbol_stub3_section): New.
        * config/darwin.h (DARWIN_X86, DARWIN_PPC): Define to 0.
        (MACHOPIC_NL_SYMBOL_PTR_SECTION): New.
        (HOT_TEXT_SECTION_NAME, UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
        Moved common definition from x86 and rs6000.
        (MACHO_DYNAMIC_NO_PIC_P): Override value.
        (MACHOPIC_INDIRECT): Likewise.
        (MACHOPIC_PURE): Likewise.
        * config.gcc (x86-darwin-*): Remove darwin.opt.

2010-11-02  Jakub Jelinek  <jakub@redhat.com>

        PR debug/46255
        * tree-cfg.c (gimple_flow_call_edges_add): Use gsi_last_nondebug_bb
        instead of gsi_last_bb.

2010-11-02  Bernd Schmidt  <bernds@codesourcery.com>
            Maxim Kuvyrkov  <maxim@codesourcery.com>

        * config/i386/i386.c (cpu_names): Add "corei7".
        * config/i386/i386.h (enum target_cpu_default): Add entry for Core i7.

2010-11-02  Bernd Schmidt  <bernds@codesourcery.com>
            Maxim Kuvyrkov  <maxim@codesourcery.com>

        Tune alignment for Intel Core i7

        * config/i386.h (TARGET_COREI7{_32,_64,}): New macros.
        (enum processor_type): Update comment.  Add entries for Core i7.
        * config/i386-c.c (ix86_target_macros_internal): Update.
        * config/i386.c (m_COREI7{_32,_64}): New macros.
        (m_GENERIC32, m_GENERIC64): Use generic tuning for Core i7.
        (processor_target_table): Tune alignment for Core i7.
        (ix86_option_override_internal): Use PROCESSOR_COREI7_*.

        * doc/invoke.texi: Document "corei7" option value.

2010-11-02  Bernd Schmidt  <bernds@codesourcery.com>
            Maxim Kuvyrkov  <maxim@codesourcery.com>
            H.J. Lu  <hjl.tools@gmail.com>

        Basic support for Intel Core i7

        * i386.c (ix86_option_override_internal): Add entry for corei7, use
        generic tuning.  Use generic32 when compiling for 32-bit ABI.

2010-11-02  Iain Sandoe  <iains@gcc.gnu.org>

        * config/darwin.c (darwin_asm_named_section): Check for __DWARF
        sections and call darwin_asm_dwarf_section() to handle them.
        (darwin_asm_dwarf_section): New.
        (darwin_file_start): Remove code emitting dwarf section symbols.

2010-11-02  Chung-Lin Tang  <cltang@codesourcery.com>

        * Makefile.in (LIBGCC2_CFLAGS): Add -fno-stack-protector, to
        explicitly disable stack protection when building libgcc.
        (CRTSTUFF_CFLAGS): Same, for crtbegin/end.

2010-11-01  Jason Merrill  <jason@redhat.com>

        * fold-const.c (fold_indirect_ref_1): Handle folding
        POINTER_PLUS_EXPR to ARRAY_REF.

2010-11-01  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
        (sh_delegitimize_address): New function.

2010-11-01  Joseph Myers  <joseph@codesourcery.com>

        * config/alpha/alpha.h (WORD_SWITCH_TAKES_ARG): Remove.
        * config/cris/cris.h (WORD_SWITCH_TAKES_ARG): Remove.
        (CC1_SPEC): Don't handle -target.
        * config/darwin.h (WORD_SWITCH_TAKES_ARG): Remove single-argument
        options.
        * config/darwin.opt (Zallowable_client, Zbundle_loader,
        Zdylib_file, Zexported_symbols_list, Zfn_seg_addr_table_filename,
        Zimage_base, Zinit, Zinstall_name, Zmultiply_defined,
        Zmultiplydefinedunused, Zseg_addr_table, Zsegs_read_only_addr,
        Zsegs_read_write_addr, Zumbrella, Zunexported_symbols_list,
        Zweak_reference_mismatches, client_name, compatibility_version,
        current_version, dylinker_install_name, pagezero_size,
        read_only_relocs, seg1addr, segs_read_only_addr,
        segs_read_write_addr, sub_library, sub_umbrella): New.
        * config/freebsd-spec.h (BSD_WORD_SWITCH_TAKES_ARG): Remove.
        * config/freebsd.h (WORD_SWITCH_TAKES_ARG): Remove.
        * config/freebsd.opt: New.
        * config/interix.h (WORD_SWITCH_TAKES_ARG): Remove.
        * config/mips/iris6.h (WORD_SWITCH_TAKES_ARG): Remove.
        * config/rpath.opt: New.
        * config.gcc (*-*-freebsd*): Use rpath.opt and freebsd.opt.
        (alpha*-dec-osf5.1*, i[34567]86-*-interix3*, mips-sgi-irix6.5*):
        Use rpath.opt.

2010-11-01  Joseph Myers  <joseph@codesourcery.com>

        * common.opt (R, T, Tbss, Tdata, Ttext, h, z): New.
        * defaults.h (DEFAULT_SWITCH_TAKES_ARG, SWITCH_TAKES_ARG): Remove.
        (DEFAULT_WORD_SWITCH_TAKES_ARG): Define to 0.
        * doc/tm.texi.in (SWITCH_TAKES_ARG): Remove.
        (WORD_SWITCH_TAKES_ARG): Don't refer to SWITCH_TAKES_ARG.
        Document that options in .opt files do not need to be included.
        * doc/tm.texi: Regenerate.
        * gcc.c (LINK_COMMAND_SPEC): Don't include %{x}.
        * opts-common.c: Update comment on tm.h include.
        (decode_cmdline_option): Don't use SWITCH_TAKES_ARG.
        * system.h (SWITCH_TAKES_ARG): Poison.
        * config/alpha/alpha.h (SWITCH_TAKES_ARG): Remove.
        * config/darwin.h (WORD_SWITCH_TAKES_ARG): Remove options included
        in darwin.opt.
        (LINK_COMMAND_SPEC_A): Don't include %{x}.
        * config/fr30/fr30.h (SWITCH_TAKES_ARG, WORD_SWITCH_TAKES_ARG): Remove.
        * config/freebsd-spec.h (FBSD_SWITCH_TAKES_ARG): Remove.
        * config/freebsd.h (SWITCH_TAKES_ARG): Remove.
        * config/frv/frv.h (SWITCH_TAKES_ARG, WORD_SWITCH_TAKES_ARG): Remove.
        * config/i386/djgpp.h (LINK_COMMAND_SPEC): Don't include %{x}.
        * config/ia64/ia64.h (SWITCH_TAKES_ARG): Remove.
        * config/interix.h (WORD_SWITCH_TAKES_ARG): Don't handle -T options.
        * config/lm32/lm32.h (SWITCH_TAKES_ARG): Remove.
        * config/m32r/m32r.h (SWITCH_TAKES_ARG, WORD_SWITCH_TAKES_ARG): Remove.
        * config/microblaze/microblaze.h (SWITCH_TAKES_ARG): Remove.
        * config/mips/mips.h (SWITCH_TAKES_ARG): Remove.
        * config/mips/netbsd.h (SWITCH_TAKES_ARG): Remove.
        * config/mips/vxworks.h (SWITCH_TAKES_ARG): Remove.
        * config/netbsd-aout.h (SWITCH_TAKES_ARG): Remove.
        * config/netbsd-elf.h (SWITCH_TAKES_ARG): Remove.
        * config/openbsd.h (SWITCH_TAKES_ARG): Remove.
        * config/rs6000/sysv4.h (SWITCH_TAKES_ARG): Remove.
        * config/score/score.h (SWITCH_TAKES_ARG): Remove.
        * config/sol2.h (SWITCH_TAKES_ARG): Remove.
        * config/sparc/sp-elf.h (SWITCH_TAKES_ARG): Remove.
        * config/sparc/sp64-elf.h (SWITCH_TAKES_ARG): Remove.
        * config/sparc/sparc.h (ASM_SPEC): Don't include %{R}.
        * config/svr4.h (SWITCH_TAKES_ARG, WORD_SWITCH_TAKES_ARG): Remove.

2010-11-01  Paul Koning  <ni1d@arrl.net>

        * config/pdp11/pdp11.md: Use iterators.
        (addqi3, subqi3, iorsi3, xorsi3): Delete.

2010-11-01  Steve Ellcey  <sje@cup.hp.com>

        * defaults.h (TARGET_VTABLE_USES_DESCRIPTORS): Move under ifdef
        GCC_INSN_FLAGS_H.
        * libgcov.c (__gcov_indirect_call_profiler): Set
        VTABLE_USES_DESCRIPTORS if TARGET_VTABLE_USES_DESCRIPTORS is
        defined and use in place of TARGET_VTABLE_USES_DESCRIPTORS.

2010-11-01  Nathan Froyd  <froydnj@codesourcery.com>

        PR tree-optimization/46259

        Revert:
        2010-10-30  Nathan Froyd  <froydnj@codesourcery.com>
        * tree-vect-stmts.c (vect_get_vec_def_for_operand): Use
        build_vector_from_val.

2010-11-01  DJ Delorie  <dj@redhat.com>

        * config/rx/rx.h (TARGET_CPU_CPP_BUILTINS): Add define for RX610
        as well as an assertion.

2010-11-01  Paul Koning  <ni1d@arrl.net>

        * config/pdp11/pdp11.c (pdp11_return_in_memory): Return vector and
        complex modes in memory.

2010-11-01  Nathan Froyd  <froydnj@codesourcery.com>

        * tree.c (build_vector_from_val): Use useless_type_conversion_p.

2010-11-01  Jakub Jelinek  <jakub@redhat.com>

        PR target/45250
        * var-tracking.c (cfa_base_rtx): Move definition earlier in the file.
        (cfa_base_offset): New variable.
        (compute_cfa_pointer): Use cfa_base_rtx and cfa_base_offset.
        (adjust_mems): Don't do any sp or hfp replacements if cfa_base_rtx
        is NULL.
        (vt_init_cfa_base): Initialize cfa_base_offset.

2010-11-01  Alan Modra  <amodra@gmail.com>

        PR target/46030
        * config/rs6000/rs6000.c (struct rs6000_stack): Add reload_completed
        and savres_strategy.
        (stack_info): New file scope var.
        (rs6000_init_machine_status): Init stack_info.
        (SAVRES_INLINE_FPRS, SAVRES_INLINE_GPRS,
        SAVRES_NOINLINE_GPRS_SAVES_LR, SAVRES_NOINLINE_FPRS_SAVES_LR,
        SAVRES_NOINLINE_FPRS_DOESNT_RESTORE_LR): Replace with..
        (SAVE_INLINE_FPRS, SAVE_INLINE_GPRS, REST_INLINE_FPRS, REST_INLINE_GPRS,
        SAVE_NOINLINE_GPRS_SAVES_LR, SAVE_NOINLINE_FPRS_SAVES_LR
        REST_NOINLINE_FPRS_DOESNT_RESTORE_LR): ..this.  Update all refs.
        (rs6000_savres_strategy): Rewrite.
        (rs6000_stack_info): Use "stack_info" in place of local "info".
        Return cached stack info when reload_completed unless ENABLE_CHECKING
        in which case confirm newly calculated stack info matches old info.
        Delay calculation of lr_save_p, set it for out of line gp save/restore
        as well as fp.  Call rs6000_savres_strategy from here..
        (rs6000_emit_prologue, rs6000_emit_epilogue): ..rather than here.
        (rs6000_output_function_prologue): Use info->savres_strategy to
        determine whether fp save/restore externs need to be emitted.

2010-10-31  Jason Merrill  <jason@redhat.com>

        * tree.h (EXPR_LOC_OR_HERE): New macro.
        * builtins.c (c_strlen): Use it.
        * c-decl.c (build_enumerator): Likewise.
        * gimplify.c (internal_get_tmp_var): Likewise.
        (shortcut_cond_expr): Likewise.
        (gimplify_one_sizepos): Likewise.

2010-10-31  Richard Henderson  <rth@redhat.com>

        * config/i386/cygming.h (TARGET_SEH): New.
        (MAX_STACK_ALIGNMENT): New.  Disable alignment for SEH.
        (TARGET_ASM_UNWIND_EMIT, TARGET_ASM_UNWIND_EMIT_BEFORE_INSN,
        TARGET_ASM_FUNCTION_END_PROLOGUE, SUBTARGET_ASM_UNWIND_INIT): New.
        (TARGET_OS_CPP_BUILTINS): Define __SEH__ as needed.
        (ASM_DECLARE_FUNCTION_NAME): Use i386_pe_start_function.
        (ASM_DECLARE_FUNCTION_SIZE): New.
        * config/i386/i386-protos.h: Update.
        * config/i386/i386.c (ix86_option_override_internal): Enable
        flag_unwind_tables with flag_asynchronous_unwind_tables immediately;
        restrict -mpreferred-stack-boundary for SEH; enable flag_fentry.
        (ix86_asm_output_function_label): Use SUBTARGET_ASM_UNWIND_INIT.
        (ix86_compute_frame_layout): For SEH, disable
        use_fast_prologue_epilogue, move frame pointer to the end of
        the frame.  Initialize hfp_save_offset.
        (ix86_expand_prologue): Honor hfp_save_offset.  Emit blockage
        at end of prologue for SEH.
        (ix86_expand_epilogue): For SEH, use pops, emit a nop if needed,
        emit blockage at beginning of epilogue.
        (ix86_expand_binary_operator): After reload, emit LEA if needed.
        (ix86_output_call_insn): New.
        * config/i386/i386.h (TARGET_SEH): New.
        (struct machine_function): Add member seh.
        * config/i386/i386.md (all call patterns): Use ix86_output_call_insn.
        * config/i386/winnt.c (struct seh_frame_state): New.
        (i386_pe_seh_init, i386_pe_seh_end_prologue, i386_pe_seh_fini,
        seh_emit_push, seh_emit_save, seh_emit_stackalloc, seh_cfa_adjust_cfa,
        seh_cfa_offset, seh_frame_related_expr, i386_pe_seh_unwind_emit,
        i386_pe_start_function, i386_pe_end_function): New.

        * dwarf2out.c (dwarf2out_frame_debug_expr): Accept CFA as well
        as CFA_STORE in rules 12 and 13.

2010-10-31  Uros Bizjak  <ubizjak@gmail.com>

        PR tree-optimization/46142
        * tree-vect-stmts.c (vectorizable_call): Enlarge dt array to
        accommodate third function argument.

2010-10-30  Nathan Froyd  <froydnj@codesourcery.com>

        * tree-ssa-loop-im.c (rewrite_reciprocal): Use build_one_cst.

2010-10-30  Nathan Froyd  <froydnj@codesourcery.com>

        * fold-const.c (build_zero_vector): Use build_vector_from_val.
        * tree-vect-loop.c (get_initial_def_for_induction): Likewise.
        (get_initial_def_for_reduction): Likewise.
        * tree-vect-slp.c (vect_get_constant_vectors): Likewise.
        * tree-vect-stmts.c (vect_get_vec_def_for_operand): Likewise.
        * tree.c (build_one_cst): Likewise.
        (build_vector_from_val): Use types_compatible_p for assert.

2010-10-30  Nathan Froyd  <froydnj@codesourcery.com>

        * emit-rtl.c (mark_used_flags): New function.
        (set_used_flags, reset_used_flags): Call it.

2010-10-30  Uros Bizjak  <ubizjak@gmail.com>

        PR middle-end/44569
        * lower-suberg.c (simplify_subreg_concatn): For VOIDmode elements,
        determine the mode of a subreg by GET_MODE_INNER of CONCATN RTX.

2010-10-30  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/46195
        * config/i386/i386.c (contains_aligned_value_p): Renamed to ...
        (ix86_compat_aligned_value_p): This.
        (ix86_old_function_arg_boundary): Renamed to ...
        (ix86_compat_function_arg_boundary): This.  Updated.
        (ix86_contains_aligned_value_p): New.
        (ix86_function_arg_boundary): Align long double parameters on
        stack to 4byte in 32bit.

2010-10-30  Nicola Pero  <nicola.pero@meta-innovation.com>

        Implemented Objective-C 2.0 @property, @synthesize and @dynamic.
        * c-parser.c (c_parser_objc_at_property_declaration): Removed
        parsing of RID_COPIES and RID_IVAR.  Updated call to
        objc_add_property_declaration.
        * c-typecheck.c (build_component_ref): Call
        objc_maybe_build_component_ref instead of objc_build_setter_call.
        Use objc_is_property_ref to improve Objective-C checks.
        (cp_build_modify_expr): Call objc_maybe_build_modify_expr instead
        of objc_build_getter_call.

2010-10-29  Paul Koning  <ni1d@arrl.net>

        * doc/tm.texi.in (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
        REGNO_MODE_OK_FOR_REG_BASE, REGNO_MODE_CODE_OK_FOR_BASE_P,
        REGNO_OK_FOR_INDEX_P): Delete non-strict variant.
        (REG_OK_STRICT): Move description.

2010-10-29  Paul Koning  <ni1d@arrl.net>

        * config/pdp11/pdp11.md (*and<mode>): Rename to *bic<mode>.

2010-10-29  Paul Koning  <ni1d@arrl.net>

        * config/pdp11/pdp11.md (divhi3, modhi3, divmodhi3): Fix ICE.

2010-10-29  Paul Koning  <ni1d@arrl.net>

        PR/41822
        * config/pdp11/pdp11.md (andhi3, andqi3): Fix wrong code error.

2010-10-29  Richard Henderson  <rth@redhat.com>

        PR rtl-opt/46226
        * stmt.c (expand_asm_operands): Call do_pending_stack_adjust
        for asm goto.

2010-10-29  Paul Koning  <ni1d@arrl.net>

        * config/pdp11/pdp11.c (output_move_quad): Fix ICE for CPU
        register to register move.

2010-10-29  Paul Koning  <ni1d@arrl.net>

        * config/pdp11/pdp11.c (print_operand_address): Correct handling
        of integer constant addresses, delete vax-only logic.

2010-10-11  Hariharan Sandanagobalane  <hariharan@picochip.com>

        * config/picochip/picochip.c (picochip_is_short_branch): Simplify
        a conditional expression.

2010-10-29  Paul Koning  <ni1d@arrl.net>

        * config/pdp11/pdp11.c (pdp11_trampoline_init): Correct
        instruction encoding.

2010-10-29  Artjoms Sinkarovs  <artyom.shinakroff@gmail.com>
            Andrew Pinski  <pinskia@gmail.com>

        * tree.h (build_vector_from_val): Declare.
        * tree.c (build_vector_from_val): New function.
        * c-typeck.c (build_binary_op): Handle vector shifting.
        * doc/extend.texi: Description of the vector shifting operation.

2010-10-29  Paul Koning  <pkoning@equallogic.com>

        * config/pdp11/pdp11-protos.h (pdp11_cannot_change_mode_class,
        pdp11_secondary_memory_needed): Declare.
        * config/pdp11/predicates.md (float_operand): New predicate.
        * config/pdp11/pdp11.md (RETVAL_REGNUM): New constant.
        (cbranchdf4, movdf): Change predicate.
        (movsf): Handle FPU register case.
        (truncdfsf2, extendsfdf2): Add FPU register case.
        * config/pdp11/pdp11.c (TARGET_SECONDARY_RELOAD,
        TARGET_REGISTER_MOVE_COST, TARGET_PREFERRED_RELOAD_CLASS,
        TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
        (pdp11_register_move_cost): Update cost matrix.
        (pdp11_cannot_change_mode_class, pdp11_preferred_reload_class,
        pdp11_preferred_output_reload_class, pdp11_secondary_reload,
        pdp11_secondary_memory_needed): New function.
        (pdp11_return_in_memory): Add other float types.
        * config/pdp11/pdp11.h (HARD_REGNO_MODE_OK): Add other float types.
        (SECONDARY_MEMORY_NEEDED, CANNOT_CHANGE_MODE_CLASS): Define.
        (PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS,
        REGISTER_MOVE_COST): Delete.
        (BASE_RETURN_VALUE_REG): Add other float types.

2010-10-29  Nick Clifton  <nickc@redhat.com>

        * doc/invoke.texi: Document -mam34 and -mtune options.
        * config/mn10300/mn10300.c (mn10300_tune_string): New variable.
        (mn10300_tune_cpu): New variable.
        (mn10300_handle_option): Handle -mam34 and -mtune options.
        (mn10300_option_override): Convert tune string into tune cpu variable.
        (mn10300_legitimate_constant_p): Delete unused local variable.
        (is_load_insn): New function.
        (is_store_insn): New function.
        (mn10300_adjust_schedule_cost): New function.
        (TARGET_SCHED_ADJUST_COST): Define.
        * config/mn10300/mn10300.opt (mam34): New option.
        (mtune): New option.
        * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add AM34 support.
        (enum processor_type): Add AM34.
        (TARGET_AM34): Define.
        * config/mn10300/mn10300.md (attr cpu): Add am34.
        Add pipeline description.
        (movqi, movhi, movsi, movsf, movdf, movdi): Fix predicates.
        Remove unneeded alternatives.  Add timing attribute.
        (pop_pic_reg, am33_addsi3, mn10300_addsi3, am33_subsi3,
        mn10300_subsi3, mulsidi3, umulsidi3, am33_mulsi3,
        mn10300_mulsi3, udivmodsi4_am33, divmodsi4, am33_andsi3,
        mn10300_andsi3, am33_iorsi3, mn10300_iorsi3, am33_xorsi3,
        mn10300_xorsi3, byte_clear, byte_set, bit_clear1, bit_clear2,
        bit_set, am33_iorqi3, mn10300_iorqi3, test_byte_bitfield,
        bit_test, subreg_bit_test, cmpsi, am33_cmpsf, am33_subsi3,
        float_conditional_branch, jump, indirect_jump, tablejump,
        call_internal, call_value_internal, zero_extendqisi2_am33,
        zero_extendqisi2_mn10300, zero_extendhisi2_am33,
        zero_extendhisi2_mn10300, extendqisi2_am33, extendqisi2_mn10300,
        extendhisi2_am33, extendhisi2_mn10300, am33_ashlsi3,
        mn10300_ashlsi3, am33_lshrsi3, mn10300_lshrsi3, am33_ashrisi3,
        mn10300_ashrsi3, abssf2_am33_2, negsf2_am33_2, rsqrtsf2,
        addsf3_internal, subsf3_internal, mulsf3_internal, divsf3,
        fmaddsf4, fmsubsf4, fnmaddsf4, fnmsubsf4, return_internal,
        return_internal_regs, store_movm, return, call_next_insn):
        Add timing attribute.
        (am33_subsi3): Add missing clobber of CC_REG.
        (am33_andsi3, mn10300_andsi3): Fix compile time warnings.
        (udivmodsi4, udivmodsi4_insn, divmodsi4, test_byte_bitfield,
        subreg_bit_test, zero_extendqisi2, zero_extendhisi2,
        extendqisi2): Fix predicates.
        (call_internal, call_internal_value): Separate alternatives.
        * config/mn10300/t-mn10300: Add AM34 multilib.

2010-10-29  Paolo Bonzini  <bonzini@gnu.org>

        * config/sh/sh.c (sh_promote_function_mode): Use
        default_promote_function_mode if !sh_promote_prototypes.

2010-10-28  Paolo Bonzini  <bonzini@gnu.org>

        * recog.c (split_all_insns): Remove dead code.

2010-10-28  Nathan Froyd  <froydnj@codesourcery.com>

        * score.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.

2010-10-28  Nathan Froyd  <froydnj@codesourcery.com>

        * config/cris/cris.h (FUNCTION_ARG, FUNCTION_INCOMING_ARG): Delete.
        (FUNCTION_ARG_ADVANCE): Delete.
        * config/cris/cris.c (cris_function_arg_1, cris_function_arg): New
        functions.
        (cris_function_incoming_arg, cris_function_arg_advance): New functions.
        (TARGET_FUNCTION_ARG, TARGET_FUNCTION_INCOMING_ARG): Define.
        (TARGET_FUNCTION_ARG_ADVANCE): Define.

2010-10-28  Nathan Froyd  <froydnj@codesourcery.com>

        * config/lm32/lm32-protos.h (lm32_function_arg): Delete.
        * config/lm32/lm32.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
        * config/mcore/mcore.c (mcore_function_arg): Declare.  Make static.
        Take a const_tree and a bool.
        (mcore_function_arg_advance): New function.
        (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.

2010-10-28  Nathan Froyd  <froydnj@codesourcery.com>

        * config/mcore/mcore-protos.h (mcore_function_arg): Delete.
        * config/mcore/mcore.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
        * config/mcore/mcore.c (mcore_function_arg): Declare.  Make static.
        Take a const_tree and a bool.
        (mcore_function_arg_advance): New function.
        (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.

2010-10-28  Nathan Froyd  <froydnj@codesourcery.com>

        * config/h8300/h8300-protos.h (function_arg): Delete.
        * config/h8300/h8300.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
        * config/h8300/h8300.c (function_arg): Rename to...
        (h8300_function_arg): ...this.  Make static.  Take a const_tree and
        a bool.
        (h8300_function_arg_advance): New function.
        (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.

2010-10-28  Nathan Froyd  <froydnj@codesourcery.com>

        * config/arc/arc.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Move code
        to...
        * config/arc/arc.c (arc_function_arg): ...here and...
        (arc_function_arg_advance): ...here.  New functions.
        (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.

2010-10-28  Nathan Froyd  <froydnj@codesourcery.com>

        * config/crx/crx-protos.h (crx_function_arg): Delete.
        (crx_function_arg_advance): Delete.
        * config/crx/crx.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
        * config/crx/crx.c (crx_function_arg): Make static.  Take a
        const_tree and a bool.
        (crx_function_arg_advance): Make static.  Take a const_tree and a bool.
        (enough_regs_for_param): Take a const_tree.
        (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.

2010-10-28  Nathan Froyd  <froydnj@codesourcery.com>

        * config/m68hc11/m68hc11-protos.h (m68hc11_function_arg): Delete.
        (m68hc11_function_arg_advance): Delete.
        * config/m68hc11/m68hc11.h (FUNCTION_ARG): Delete.
        (FUNCTION_ARG_ADVANCE): Delete.
        * config/m68hc11/m68hc11.c (m68hc11_function_arg): Make static.
        Take a const_tree and a bool.
        (m68hc11_function_arg_advance): Likewise.
        (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.

2010-10-28  Nathan Froyd  <froydnj@codesourcery.com>

        * config/stormy16/stormy16-protos.h (xstormy16_function_arg): Delete.
        (xstormy16_function_arg_advance): Delete.
        * config/stormy16/stormy16.h (FUNCTION_ARG): Delete.
        (FUNCTION_ARG_ADVANCE): Delete.
        * config/stormy16/stormy16.c (xstormy16_function_arg): Make static.
        Take a const_tree and a bool.
        (xstormy16_function_arg_advance): Likewise.  Return void, updating
        the CUM parameter instead.
        (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.

2010-10-28  Nathan Froyd  <froydnj@codesourcery.com>

        * config/moxie/moxie-protos.h (moxie_function_arg): Delete.
        * config/moxie/moxie.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
        (MOXIE_FUNCTION_ARG_SIZE): Move to...
        * config/moxie/moxie.c (MOXIE_FUNCTION_ARG_SIZE): ...here.
        (moxie_function_arg): Make static.  Take a const_tree and a bool.
        (moxie_function_arg_advance): New function.
        (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.

2010-10-28  Nathan Froyd  <froydnj@codesourcery.com>

        * config/mn10300/mn10300-protos.h (function_arg): Delete.
        * config/mn10300/mn10300.h (FUNCTION_ARG): Delete.
        (FUNCTION_ARG_ADVANCE): Delete.
        * config/mn10300/mn10300.c (function_arg): Rename to...
        (mn10300_function_arg): ...this.  Make static.  Take a const_tree
        and a bool.
        (mn10300_function_arg_advance): New function.
        (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.

2010-10-28  Nathan Froyd  <froydnj@codesourcery.com>

        * config/iq2000/iq2000-protos.h (function_arg): Delete.
        (function_arg_advance): Delete.
        * config/iq2000/iq2000.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
        * config/iq2000/iq2000.c (function_arg): Rename to...
        (iq2000_function_arg): ...this.  Make static.  Take a const_tree and
        a bool.
        (function_arg_advance): Rename to...
        (iq2000_function_arg_advance): ...this.  Make static.  Take a
        const_tree and a bool.
        (iq2000_expand_prologue): Call iq2000_function_arg_advance and
        iq2000_function_arg.
        (iq2000_pass_by_reference): Call iq2000_function_arg).
        (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.

2010-10-28  Nathan Froyd  <froydnj@codesourcery.com>

        * config/fr30/fr30-protos.h (fr30_num_arg_regs): Delete.
        * config/fr30/fr30.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
        * config/fr30/fr30.c (fr30_num_arg_regs): Make static.  Take a
        const_tree.
        (fr30_function_arg): New function.
        (fr30_function_arg_advance): New function.
        (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.

2010-10-28  Nathan Froyd  <froydnj@codesourcery.com>

        * config/frv/frv-protos.h (frv_function_arg): Delete.
        (frv_function_arg_advance): Delete.
        * config/frv/frv.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
        * config/frv/frv.c (frv_function_arg): Rename to...
        (frv_function_arg_1): Make static.  Take const_tree and bool arguments.
        (frv_function_arg, frv_function_incoming_arg): New functions.
        (frv_function_arg_advance): Make static.  Take a const_tree and a bool.
        (TARGET_FUNCTION_ARG, TARGET_FUNCTION_INCOMING_ARG): Define.
        (TARGET_FUNCTION_ARG_ADVANCE): Define.

2010-10-28  Uros Bizjak  <ubizjak@gmail.com>

        PR target/46153
        * config/i386/sse.md (sse_movhlps_exp): Use destination
        returned from ix86_fixup_binary_operands to expand insn.
        (sse_movlhps_exp): Ditto.
        (sse_loadhps_exp): Ditto.
        (sse_loadlps_exp): Ditto.
        (sse2_loadhpd_exp): Ditto.
        (sse2_loadlpd_exp): Ditto.

2010-10-28  Andrew Stubbs  <ams@codesourcery.com>

        * config/arm/arm.c (const_ok_for_arm): Support 0xXY00XY00 pattern
        constants in thumb2.

2010-10-28  Eric Botcazou  <ebotcazou@adacore.com>

        * combine.c (set_nonzero_bits_and_sign_copies): Use unsigned
        arithmetics in masking operations.
        (contains_muldiv): Likewise.
        (try_combine): Likewise.
        (find_split_point): Likewise.
        (combine_simplify_rtx): Likewise.
        (simplify_if_then_else): Likewise.
        (simplify_set): Likewise.
        (expand_compound_operation): Likewise.
        (expand_field_assignment): Likewise.
        (make_extraction): Likewise.
        (extract_left_shift): Likewise.
        (make_compound_operation): Likewise.
        (force_to_mode): Likewise.
        (make_field_assignment): Likewise.
        (reg_nonzero_bits_for_combine): Likewise.
        (simplify_shift_const_1): Likewise.
        (simplify_comparison): Likewise.

2010-10-27  Nathan Froyd  <froydnj@codesourcery.com>

        * config/ia64/ia64-protos.h (ia64_function_arg): Delete.
        (ia64_function_arg_advance): Delete.
        * config/ia64/ia64.h (FUNCTION_ARG, FUNCTION_INCOMING_ARG): Delete.
        (FUNCTION_ARG_ADVANCE): Delete.
        * config/ia64/ia64.c (ia64_function_arg): Rename to...
        (ia64_function_arg_1): ...this.  Make static.  Take const_tree and
        bool arguments.
        (ia64_function_arg, ia64_function_incoming_arg): New functions.
        (ia64_function_arg_advance): Make static.  Take a const_tree and
        a bool.
        (TARGET_FUNCTION_ARG, TARGET_FUNCTION_INCOMING_ARG): Define.
        (TARGET_FUNCTION_ARG_ADVANCE): Define.

2010-10-27  Steve Ellcey  <sje@cup.hp.com>

        * doc/tm.texi.in (TARGET_GET_RAW_RESULT_MODE): New.
        (TARGET_GET_RAW_ARG_MODE): New.
        * doc/tm.texi: Regenerate.
        * target.def (get_raw_result_mode): New.
        (get_raw_arg_mode): New.
        * targhooks.c (default_get_reg_raw_mode): New.
        * targhooks.h (default_get_reg_raw_mode): New.
        * builtins.c (apply_args_size): Use targetm.calls.get_raw_arg_mode.
        (apply_result_size): Ditto.
        * config/ia64/ia64.c (ia64_get_reg_raw_mode): New.
        (TARGET_GET_RAW_RESULT_MODE): Define.
        (TARGET_GET_RAW_ARG_MODE): Ditto.

2010-10-27  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sparc/sol2-unwind.h (sparc64_fallback_frame_state): Adjust
        for newer Solaris 10 release.
        (sparc_fallback_frame_state): Likewise.

2010-10-27  Jason Merrill  <jason@redhat.com>

        * gimplify.c (gimplify_decl_expr): Handle anonymous artificial
        variables sooner.

2010-10-27  Jie Zhang  <jie@codesourcery.com>
            Maxim Kuvyrkov  <maxim@codesourcery.com>

        * haifa-sched.c (ISSUE_POINTS): Remove.
        (max_issue): Don't issue more than issue_rate instructions.

2010-10-27  Ian Lance Taylor  <iant@google.com>

        PR target/46197
        * config/i386/i386.md (UNSPECV_SPLIT_STACK_RETURN): New.
        (split_stack_return): Replace UNSPEC_STACK_CHECK with
        UNSPECV_SPLIT_STACK_RETURN.

2010-10-27  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386-protos.h (init_cumulative_args): Add an int.

        * config/i386/i386.c (block_info): New.
        (BLOCK_INFO): Likewise.
        (call_avx256_state): Likewise.
        (check_avx256_stores): Likewise.
        (move_or_delete_vzeroupper_2): Likewise.
        (move_or_delete_vzeroupper_1): Likewise.
        (move_or_delete_vzeroupper): Likewise.