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

2011-05-27  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        PR tree-optimization/49170
        * tree-ssa-math-opts.c (execute_cse_sincos):  Add checks for
        sincos or cexp.
        
2011-05-27  Richard Guenther  <rguenther@suse.de>

        PR middle-end/49189
        * fold-const.c (fold_unary_loc): Do not re-fold folding conversions
        of comparisons.

2011-05-27  Bernd Schmidt  <bernds@codesourcery.com>

        * haifa-sched.c (sched_scan_info): Remove.
        (schedule_block): Call sched_extend_luids rather than sched_init_luids
        with NULL args.
        (extend_bb, init_bb, extend_insn, init_insn, init_insns_in_bb):
        Remove functions.
        (sched_scan): Remove.
        (sched_extend_luids): Renamed from luids_extend_insn and no longer
        static.  All callers changed.
        (sched_init_insn_luid): Renamed from luids_init_insn and no longer
        static.  All callers changed.
        (sched_init_luids): Remove all arguments except the first.  All
        callers changed.  Don't use sched_scan.
        (haifa_init_h_i_d): Likewise.
        (haifa_init_insn): Call sched_extend_luids and sched_init_insn_luid
        manually rather than using sched_init_luids.  Likewise with
        extend_h_i_d, init_h_i_d and haifa_init_h_i_d.
        * sel-sched.c (sel_region_target_finish): Call sched_extend_luids
        rather than sched_init_luids with NULL args.
        * sel-sched-ir.c (new_insns): Remove variable.
        (sched_scan): New static function, previously in haifa-sched.c.  Remove
        all arguments but the first two; all callers changed.
        (sel_init_new_insn): Call sched_extend_luids and sched_init_insn_luid
        rather than sched_init_luids.
        (sel_init_bbs): Remove second argument.  All callers changed.
        (sel_add_bb): Call sched_extend_luids rather than sched_init_luids
        with NULL arguments.
        (create_insn_rtx_from_pattern): Likewise.
        * sel-sched-ir.h (sel_init_bbs): Adjust declaration.
        * sched-int.h (sched_init_luids, haifa_init_h_i_d): Likewise.
        (sched_init_insn_luid, sched_extend_luids): Declare.
        (sched_scan_info_def, sched_scan_info, sched_scan): Remove
        declarations.

2011-05-27  Richard Guenther  <rguenther@suse.de>

        PR middle-end/49177
        * fold-const.c (fold_unary_loc): Fold (T)(A CMP B) to
        A CMP B ? (T) true : (T) false for non-integral types T again.

2011-05-27  Jan Hubicka  <jh@suse.cz>

        * lto-streamer-out.c (lto_string_index): break out from...; offset by 1
        so 0 means NULL string.
        (lto_output_string_with_length): ... here.
        (lto_output_string, output_string_cst, output_identifier): Update
        handling of NULL strings.
        (lto_output_location_bitpack): New function.
        (lto_output_location): Use it.
        (lto_output_tree_ref): Use output_record_start.
        (pack_ts_type_common_value_fields): Pack aliagn & alias set in var
        len values.
        * lto-streamer-in.c (string_for_index): Break out from ...; offset
        values by 1.
        (input_string_internal): ... here; 
        (input_string_cst, input_identifier, lto_input_string): Update handling
        of NULL strings.
        (lto_input_location_bitpack): New function
        (lto_input_location): Use it.
        (unpack_ts_type_common_value_fields): Pack align & alias in var len
        values.
        * lto-streamer.h (bp_pack_val_len_unsigned, bp_pack_val_len_int,
        bp_unpack_val_len_unsigned, bp_unpack_val_len_int): Declare.
        (bp_pack_value): Sanity check the value range.
        * lto-section-in.c (bp_unpack_val_len_unsigned, bp_unpack_val_len_int):
        New functions.
        * lto-section-out.h (bp_pack_val_len_unsigned, bp_pack_val_len_int):
        New functions.

2011-05-27  Hariharan Sandanagobalane <hariharan@picochip.com>

        * config/picochip/picochip.c (reorder_var_tracking_notes): Drop
        call_arg_location instructions down the floor.

2011-05-26  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/49154
        * ira.c (setup_pressure_classes): Process class without sublcasses
        as a candidate for pressure classes.

2011-05-26  Richard Sandiford  <rdsandiford@googlemail.com>

        PR rtl-optimization/48575
        * genrecog.c (position_type): New enum.
        (position): New structure.
        (decision): Use position structure instead of a string.
        (root_pos, peep2_insn_pos_list): New variables.
        (next_position, compare_positions): New functions.
        (new_decision): Use position structures instead of strings.
        (maybe_both_true): Likewise.
        (change_state): Likewise.
        (write_tree): Likewise.
        (make_insn_sequence): Likewise.

2011-05-26  Nathan Froyd  <froydnj@codesourcery.com>

        * tree.c (initialize_tree_contains_struct): Mark TS_BLOCK as
        TS_BASE instead of TS_COMMON.
        (find_decls_types_r): Check for TS_TYPED structure before looking at
        TREE_TYPE.
        * tree.h (struct tree_block): Inherit from tree_base, not tree_common.
        Add chain field.
        (BLOCK_CHAIN): Use new chain field.

2011-05-26  Pat Haugen <pthaugen@us.ibm.com>

        * config/rs6000/rs6000.c (rs6000_register_move_cost): Make LR/CTR
        moves expensive on Power7 also.

2011-05-26  Richard Guenther  <rguenther@suse.de>

        * fold-const.c (fold_unary_loc): Remove bogus code.

2011-05-26  Nathan Froyd  <froydnj@codesourcery.com>

        * tree.h (struct tree_identifier): Inherit from tree_typed, not
        tree_common.
        (HT_IDENT_TO_GCC_IDENT): Adjust for said change.
        * tree.c (initialize_tree_contains_struct): Mark TS_IDENTIFIER as
        TS_BASE instead of TS_COMMON.
        * varasm.c (assemble_name): Remove assert.

2011-05-26  Bernd Schmidt  <bernds@codesourcery.com>

        * Makefile.in (srcdirify): Change order so that libgcc_objdir is
        substituted first.
        * libgcc-std.ver: Delete file.

2011-05-26  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/48702
        * tree-ssa-address.c (create_mem_ref_raw): Create MEM_REFs
        only when we know the base address is within bounds.
        * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Do not
        assume the base address of TARGET_MEM_REFs is in bounds.

2011-05-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR target/49099
        * config/sparc/sparc.c (sparc_solaris_elf_asm_named_section): Wrap
        declaration in TARGET_SOLARIS.

2011-05-26  Hariharan Sandanagobalane <hariharan@picochip.com>

        * config/picochip/picochip.md (cbranchhi4): No :CC for match_operator.
          The instruction is then expanded explicitly.
        (supported_compare): Callable instruction.
        (compare): Likewise.

2011-05-26  Jakub Jelinek  <jakub@redhat.com>

        PR c++/49165
        * gimplify.c (shortcut_cond_r): Don't special case
        COND_EXPRs if they have void type on one of their arms.

2011-05-26  Bernd Schmidt  <bernds@codesourcery.com>

        * haifa-sched.c (schedule-block): Reorder the inner scheduling loop
        to reduce duplication, and to achieve a slightly more logical order
        of operations.

2011-05-26  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/49161
        * tree-vrp.c (struct case_info): New type.
        (compare_case_labels): Sort case_info structs instead of
        trees, and not primarily by CASE_LABEL uids but by
        label_for_block indexes.
        (find_switch_asserts): Put case labels into struct case_info
        array instead of TREE_VEC, adjust sorting, compare label_for_block
        values instead of CASE_LABELs.

2011-05-26  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

        * config/arm/neon.md ("orn<mode>3_neon"): Canonicalize not.
        ("orndi3_neon"): Likewise.
        ("bic<mode>3_neon"): Likewise.

2011-05-26  Ira Rosen  <ira.rosen@linaro.org>

        PR tree-optimization/49038
        * tree-vect-loop-manip.c (vect_generate_tmps_on_preheader):
        Ensure at least one epilogue iteration if required by data
        accesses with gaps.
        * tree-vectorizer.h (struct _loop_vec_info): Add new field
        to mark loops that require peeling for gaps.
        * tree-vect-loop.c (new_loop_vec_info): Initialize new field.
        (vect_get_known_peeling_cost): Take peeling for gaps into
        account.
        (vect_transform_loop): Generate epilogue if required by data
        access with gaps.
        * tree-vect-data-refs.c (vect_analyze_group_access): Mark the
        loop as requiring an epilogue if there are gaps in the end of
        the strided group.

2011-05-25  Ian Lance Taylor  <iant@google.com>

        * godump.c (go_format_type): Output the first field with a usable
        Go type, if any.

2011-05-25  Ian Lance Taylor  <iant@google.com>

        * godump.c (go_format_type): Check for invalid type names, pointer
        target types, and struct field types.

2011-05-25  Jason Merrill  <jason@redhat.com>

        * print-tree.c (print_node): Only look at TREE_TYPE if TS_TYPED.

2011-05-25  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (*<sse>_maskcmp<mode>3_comm): New pattern.

2011-05-25  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.md (*movqi_extv_1)): Put back
        "register_operand" check in "type" calculation.
        (*movqi_extzv_2): Likewise.

2011-05-25  H.J. Lu  <hongjiu.lu@intel.com>

        * doc/extend.texi (X86 Built-in Functions): Update pause intrinsic.

2011-05-25  Bernd Schmidt  <bernds@codesourcery.com>

        PR bootstrap/49160
        * libgcc2.h (__powisf2, __powidf2, __powitf2, __powixf2,
        __mulsc3, __muldc3, __mulxc3, __multc3, __divsc3, __divdc3,
        __divxc3, __divtc3): Wrap definitions in #ifndef.

2011-05-25  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/49142
        * config/i386/i386.md (*movqi_extv_1_rex64): Remove
        "register_operand" check and replace q_regs_operand with
        QIreg_operand in "type" calculation.
        (*movqi_extv_1): Likewise.
        (*movqi_extzv_2_rex64): Likewise.
        (*movqi_extzv_2): Likewise.

        * config/i386/predicates.md (QIreg_operand): New.

2011-05-25  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Fix
        type-based offset disambiguation, streamline MEM_REF and
        TARGET_MEM_REF handling.

2011-05-25  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_PAUSE.
        (bdesc_special_args): Add pause intrinsic.

        * config/i386/i386.md (UNSPEC_PAUSE): New.
        (pause): Likewise.
        (*pause): Likewise.
        * config/i386/ia32intrin.h (__pause): Likewise.

        * doc/extend.texi (X86 Built-in Functions): Add documentation for
        pause intrinsic.

2011-05-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        PR tree-optimization/46728
        * tree-ssa-math-opts.c (gimple_expand_builtin_pow): New.
        (execute_cse_sincos): Add switch case for BUILT_IN_POW.

2011-05-25  Nathan Froyd  <froydnj@codesourcery.com>

        * tree.h (struct tree_exp): Inherit from struct tree_typed.
        * tree.c (initialize_tree_contains_struct): Mark TS_EXP as TS_TYPED
        instead of TS_COMMON.

2011-05-25  Bernd Schmidt  <bernds@codesourcery.com>

        * libgcc2.h (__NW, __NDW): Define using a __gnu_ prefix if
        LIBGCC2_GNU_PREFIX is defined.
        (__N): New macro.
        (__powisf2, __powidf2, __powitf2, __powixf2, __bswapsi2, __bswapdi2,
        __mulsc3, __muldc3, __mulxc3, __multc3, __divsc3, __divdc3, __divxc3,
        __divtc3, __udiv_w_sdiv, __clear_cache, __enable_execute_stack,
        __clz_tab): Define using __N.
        (__absvsi2, __negvsi2, __addvsi3, __subvsi3, __mulvsi3): Likewise if
        COMPAT_SIMODE_TRAPPING_ARITHMETIC.
        * target.def (libfunc_gnu_prefix): New hook.
        * doc/tm.texi.in (LIBGCC2_GNU_PREFIX): Document.
        (TARGET_LIBFUNC_GNU_PREFIX): Add hook.
        * doc/tm.texi: Regenerate.
        * system.h (LIBGCC2_GNU_PREFIX): Poison.
        * optabs.c (gen_libfunc): Take the libfunc_gnu_prefix hook into
        account.
        (gen_interclass_conv_libfunc, gen_intraclass_conv_libfunc): Likewise.
        (init_optabs): Likewise for the bswap libfuncs.
        * tree.c (build_common_builtin_nodes): Likewise for complex multiply
        and divide.
        * config/t-slibgcc-elf-ver (SHLIB_MAPFILES): Use $$(libgcc_objdir).
        * config/t-slibgcc-sld (SHLIB_MAPFILES): Likewise.
        * libgcc-std.ver: Remove.
        * Makefile.in (srcdirify): Handle $$(libgcc_objdir).
        * config/frv/t-linux (SHLIB_MAPFILES): Use $$(libgcc_objdir) for
        libgcc-std.ver.
        * config/i386/t-linux (SHLIB_MAPFILES): Likewise.
        * config/mips/t-slibgcc-irix (SHLIB_MAPFILES): Likewise.
        * config/rs6000/t-aix43 (SHLIB_MAPFILES): Likewise.
        * config/rs6000/t-aix52 (SHLIB_MAPFILES): Likewise.
        * config/sparc/t-linux (SHLIB_MAPFILES): Likewise.
        * config/i386/t-linux (SHLIB_MAPFILES): Likewise.
        * config/i386/t-linux (SHLIB_MAPFILES): Likewise.
        * config/fixed-bit.h (FIXED_OP): Define differently depending on
        LIBGCC2_GNU_PREFIX. All uses changed not to pass leading underscores.
        (FIXED_CONVERT_OP, FIXED_CONVERT_OP2): Likewise.

2011-05-25  Jan Hubicka  <jh@suse.cz>

        * lto-streamer-out.c (output_record_start): Use lto_output_enum
        (lto_output_tree): Use output_record_start.
        * lto-streamer-in.c (input_record_start): Use lto_input_enum
        (lto_get_pickled_tree): Use input_record_start.
        * lto-section-in.c (lto_section_overrun): Turn into fatal error.
        (lto_value_range_error): New function.
        * lto-streamer.h (lto_value_range_error): Declare.
        (lto_output_int_in_range, lto_input_int_in_range): New functions.
        (lto_output_enum, lto_input_enum): New macros.

2011-05-25  Eric Botcazou  <ebotcazou@adacore.com>

        * common.opt (flag_stack_usage_info): New variable.
        (-Wstack-usage): New option.
        * doc/invoke.texi (Warning options): Document -Wstack-usage.
        * opts.c (common_handle_option) <OPT_Wstack_usage_>: New case.
        <OPT_fstack_usage>: Likewise.
        * toplev.c (output_stack_usage): Handle -Wstack-usage.
        * calls.c (expand_call): Test flag_stack_usage_info variable instead
        of flag_stack_usage.
        (emit_library_call_value_1): Likewise.
        * explow.c (allocate_dynamic_stack_space): Likewise.
        * function.c (instantiate_virtual_regs ): Likewise.
        (prepare_function_start): Likewise.
        (rest_of_handle_thread_prologue_and_epilogue): Likewise.
        * config/alpha/alpha.c (alpha_expand_prologue): Likewise.
        * config/arm/arm.c (arm_expand_prologue): Likewise.
        (thumb1_expand_prologue): Likewise.
        * config/avr/avr.c (expand_prologue): Likewise.
        * config/i386/i386.c (ix86_expand_prologue): Likewise.
        * config/ia64/ia64.c (ia64_expand_prologue): Likewise.
        * config/m68k/m68k.c (m68k_expand_prologue): Likewise.
        * config/mips/mips.c (mips_expand_prologue): Likewise.
        * config/pa/pa.c (hppa_expand_prologue): Likewise.
        * config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise.
        * config/s390/s390.c (s390_emit_prologue): Likewise.
        * config/sh/sh.c (sh_expand_prologue): Likewise.
        * config/sparc/sparc.c (sparc_expand_prologue): Likewise.
        * config/spu/spu.c (spu_expand_prologue): Likewise.

2011-05-25  Richard Guenther  <rguenther@suse.de>

        * gimple.c (iterative_hash_canonical_type): Skip non-FIELD_DECLs.
        (gimple_canonical_types_compatible_p): Likewise.

2011-05-25  Jan Hubicka  <jh@suse.cz>

        PR middle-end/49062
        * ipa.c (function_and_variable_visibility): Only add to same
        comdat group list if DECL_ONE_ONLY.

2011-05-25  Andrey Belevantsev  <abel@ispras.ru>

        PR rtl-optimization/49014
        * config/i386/athlon.md (athlon_ssecomi): Change type to ssecomi.

2011-05-25  Jakub Jelinek  <jakub@redhat.com>

        PR target/49128
        * config/i386/driver-i386.c (host_detect_local_cpu): Fix a typo.

2011-05-24  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/48757
        * ira-build.c (loop_with_eh_edge_p): Rename to
        loop_with_complex_edge_p, check edges on complexity, make function
        conditional.
        (mark_loops_for_removal): Make call of loop_with_complex_edge_p
        conditional.

2011-05-24  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sparc/sparc.c (sparc_option_override): If not set by the user,
        force flag_ira_share_save_slots to 0.

2011-05-24  Eric Botcazou  <ebotcazou@adacore.com>

        * var-tracking.c (compute_cfa_pointer): Adjust head comment.
        (vt_initialize): Set PROLOGUE_BB unconditionally.
        Add block comment about CFA_BASE_RTX machinery.
        Reset FP_CFA_OFFSET to -1 on all invalid paths.
        Call vt_init_cfa_base only if FP_CFA_OFFSET isn't equal to -1.

2011-05-24  Nicola Pero  <nicola.pero@meta-innovation.com>

        PR objc/48187
        * c-parser.c (c_parser_objc_class_instance_variables): More robust
        parsing of syntax error in ObjC instance variable lists.  In
        particular, avoid an infinite loop if there is a stray ']'.
        Updated error message.

2011-05-24  Ian Lance Taylor  <iant@google.com>

        * godump.c (go_define): Don't accept a string immediately after
        another operand.

2011-05-24  Ian Lance Taylor  <iant@google.com>

        * godump.c (struct godump_container): Add invalid_hash field.
        (go_format_type): Return false if type is found in invalid_hash.
        (go_output_typedef): Add invalid type to invalid_hash.
        (go_finish): Create and delete invalid_hash.

2011-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        PR tree-optimization/46728
        * tree-ssa-math-opts.c (powi_table): New.
        (powi_lookup_cost): New.
        (powi_cost): New.
        (powi_as_mults_1): New.
        (powi_as_mults): New.
        (gimple_expand_builtin_powi): New.
        (execute_cse_sincos): Add switch case for BUILT_IN_POWI.
        (gate_cse_sincos): Remove sincos/cexp restriction.

2011-05-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR target/3746
        * config.gcc (alpha*-dec-osf5.1*): Only build mips-tfile,
        mips-tdump native.
        * mips-tfile.c: Remove CROSS_DIRECTORY_STRUCTURE handling.
        * mips-tdump.c: Likewise.

2011-05-24  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/49128
        * config/i386/driver-i386.c (host_detect_local_cpu): Always
        add -mno-XXX.  Handle FMA.

2011-05-24  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/48633
        * ira-build.c (loop_with_eh_edge_p): New function.
        (mark_loops_for_removal): Use it.

2011-05-24  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/48971
        * ira.c (setup_pressure_classes): Don't check register move cost
        for classes with one registers.  Don't add pressure class if there
        is a pressure class with the same available hard registers.
        Check contains_reg_of_mode.  Fix a typo in collecting
        temp_hard_regset.  Ignore hard registers not belonging to a class.

2011-05-24  Uros Bizjak  <ubizjak@gmail.com>

        PR target/49133
        * config/i386/sse.md (sse2_loadhpd): Remove shufpd alternative.

2011-05-24  Eric Botcazou  <ebotcazou@adacore.com>
            Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR gcov-profile/48845
        * config/sol2.h (LIB_SPEC): Link TLS support for tree profiling.

2011-05-24  Richard Guenther  <rguenther@suse.de>

        * gimple.c (compare_type_names_p): Remove for_completion_p arg.
        (gimple_compatible_complete_and_incomplete_subtype_p): Remove.
        (gimple_types_compatible_p_1): Adjust.
        (iterative_hash_canonical_type): Do not bother about complete vs.
        incomplete types.
        (gimple_canonical_types_compatible_p): Likewise.

2011-05-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/i386/sol2.h (FORCE_CODE_SECTION_ALIGN): Remove.

2011-05-24  Richard Guenther  <rguenther@suse.de>

        PR bootstrap/49078
        * gimple.c (gimple_register_canonical_type): Revert
        previous change.
        * alias.c (get_alias_set): Only assert that TYPE_CANONICAL
        does not for a tree for the case where it matters.  Cache
        pointer-type alias-sets.

2011-05-24  Joseph Myers  <joseph@codesourcery.com>

        * Makefile.in (GCC_OBJS): Remove opts-common.o and options.o.
        (OBJS): Remove options.o, opts-common.o and prefix.o.
        (OBJS-libcommon-target): New.
        (ALL_HOST_BACKEND_OBJS): Include $(OBJS-libcommon-target).
        (BACKEND): Include libcommon-target.a.
        (MOSTLYCLEANFILES): Include libcommon-target.a.
        (libcommon-target.a): New.
        (xgcc$(exeext), cpp$(exeext)): Use libcommon-target.a instead of
        prefix.o.

2011-05-23  Joseph Myers  <joseph@codesourcery.com>

        * optc-save-gen.awk: New.  Based on optc-gen.awk.  Don't generate
        parts of output shared with the driver.
        * optc-gen.awk: Don't generate parts of output not shared with the
        driver.
        * opth-gen.awk: Remove GCC_DRIVER conditionals.
        * doc/options.texi (SourcerInclude): Mention options-save.c.
        * Makefile.in (GCC_OBJS): Use options.o instead of gcc-options.o.
        (OBJS): Add options-save.o.
        (options-save.c, options-save.o): New.
        (options.o): Update dependencies.
        (gcc-options.o): Remove.
        (mostlyclean): Remove options-save.c.

2011-05-23  Jakub Jelinek  <jakub@redhat.com>

        PR debug/49032
        * dbxout.c: Include cgraph.h.
        (dbxout_expand_expr): If a VAR_DECL is TREE_STATIC, not written
        and without value expr, return NULL if no varpool node exists for
        it or if it is not needed.
        * Makefile.in (dbxout.o): Depend on $(CGRAPH_H).

        PR c/49120
        * c-decl.c (start_decl): Convert expr to void_type_node.

2011-05-23  Richard Sandiford  <rdsandiford@googlemail.com>

        PR rtl-optimization/48826
        * emit-rtl.c (try_split): When splitting a call that is followed
        by a NOTE_INSN_CALL_ARG_LOCATION, move the note after the new call.

2011-05-23  Jakub Jelinek  <jakub@redhat.com>

        * cfgexpand.c (expand_debug_expr): For unused non-addressable
        parameters passed in memory prefer using DECL_INCOMING_RTL over
        the pseudos it will be copied into.

2011-05-23  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/47315
        * config/i386/i386.c (ix86_option_override_internal): Save the
        initial options after checking vzeroupper.

2011-05-23  David Li  <davidxl@google.com>

        PR tree-optimization/48988
        * tree-ssa-uninit.c (convert_control_dep_chain_into_preds):
        Initialize has_valid_pred for each pred chain.

2011-05-23  Richard Guenther  <rguenther@suse.de>

        * gimple.c (gimple_types_compatible_p_1): Always compare type names.
        (iterative_hash_gimple_type): Always hash type names.

2011-05-23  Nathan Froyd  <froydnj@codesourcery.com>

        * c-typeck.c (build_function_call_vec): Tweak call to
        check_function_arguments.

2011-05-23  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/49115
        * tree-ssa-alias.c (stmt_kills_ref_p_1): If the assignment
        is not necessarily carried out, do not claim it kills the ref.
        * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1): Likewise.

2011-05-23  Richard Guenther  <rguenther@suse.de>

        PR middle-end/15419
        * builtins.c (fold_builtin_memory_op): Be less restrictive about
        what pointer types we accept for folding.

2011-05-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * gthr-gnat.c: Remove.
        * gthr-gnat.h: Remove.
        * Makefile.in (LIB2ADDEH): Remove $(srcdir)/gthr-gnat.c.
        * config/t-freebsd (LIB2ADDEH): Likewise.
        * config/t-linux (LIB2ADDEH): Likewise.
        * config/t-sol2 (LIB2ADDEH): Likewise.
        * config/ia64/t-vms (LIB2ADDEH): Likewise.
        * configure.ac (target_thread_file): Remove gnat handling.
        * configure: Regenerate.
        * doc/install.texi (Configuration, --enable-threads): Remove gnat.

2011-05-23  Tristan Gingold  <gingold@adacore.com>
            Eric Botcazou  <ebotcazou@adacore.com>

        * gcov.c (create_file_names): If no object directory is specified,
        keep the directory of the file.

2011-05-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac (enable_threads): Remove irix; add lynx, tpf; sort list.
        * configure: Regenerate.

2011-05-23  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/48973
        * expr.c (expand_expr_real_2) <case LT_EXPR>: If do_store_flag
        failed and the comparison has a single bit signed type, use
        constm1_rtx instead of const1_rtx for true value.
        (do_store_flag): If ops->type is single bit signed type, disable
        signel bit test optimization and pass -1 instead of 1 as last
        parameter to emit_store_flag_force.

2011-05-23  Tom de Vries  <tom@codesourcery.com>

        PR target/45098
        * tree-ssa-loop-niter.c (infer_loop_bounds_from_pointer_arith): New
        function.
        (infer_loop_bounds_from_undefined): Use new function.

2011-05-22  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Delete.
        (ASM_SPEC): Add a -O* option here.  Pass -O0 for -noasmopt,
        -O1 for -fno-delayed-branch, -O2 if optimization is enabled,
        and -O0 otherwise.
        (EXTRA_SPECS): Remove subtarget_asm_optimizing_spec.

2011-05-22  Eric Botcazou  <ebotcazou@adacore.com>

        * cfgcleanup.c (try_forward_edges): Do not update BB_FORWARDER_BLOCK.
        (try_optimize_cfg): Update BB_FORWARDER_BLOCK if try_forward_edges
        returns true.

2011-05-22  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.c (mips_default_arch): Honor MIPS_ISA_DEFAULT.

2011-05-22  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sparc/sparc.c (sparc_delegitimize_address): Handle
        UNSPEC_MOVE_PIC pattern.

2011-05-22  Eric Botcazou  <ebotcazou@adacore.com>

        * config.gcc (sparc-*-elf*): Add sparc/t-crtin.
        (sparc-*-rtems*): Likewise.
        (sparc64-*-elf*): Likewise.
        (sparc64-*-rtems*): Likewise.
        (sparc*-*-solaris2*): Likewise.  Remove crti.o crtn.o extra parts.
        * config/sparc/t-crtin: New file.
        * config/sparc/t-sol2 (crti.o): Delete rule.
        (crtn.o): Likewise.
        * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Delete.
        * config/sparc/t-sol2-64 (EXTRA_MULTILIB_PARTS): Likewise.
        * config/sparc/sp64-elf.h (STARTFILE_SPEC): Tidy and add crti.o.
        (ENDFILE_SPEC): Add crtn.o.

2011-05-22  Tom de Vries  <tom@codesourcery.com>

        PR middle-end/48689
        * fold-const.c (fold_checksum_tree): Guard TREE_CHAIN use with
        CODE_CONTAINS_STRUCT (TS_COMMON).

2011-05-22  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/49029
        * expmed.c (extract_fixed_bit_field): Test whether target can be used
        only after deciding which mode to use.

2011-05-22  Tom de Vries  <tom@codesourcery.com>

        PR target/45098
        * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Fix const test
        for call to get_shiftadd_cost.

2011-05-22  Uros Bizjak  <ubizjak@gmail.com>

        PR target/49104
        * config/i386/cpuid.h (bit_MMXEXT): New define.

2011-05-22  Nick Clifton  <nickc@redhat.com>

        * config/stormy16/stormy16.c (xstormy16_init_builtins): prevent
        initialisation of non-existant args[2] element.  Use args[] array
        not arg[] array to pass arguments to build_function_type_list.

2011-05-22  Ira Rosen  <ira.rosen@linaro.org>

        PR tree-optimization/49087
        * tree-vect-loop.c (vect_is_slp_reduction): Fail if LHS has no uses.

2011-05-21  Jason Merrill  <jason@redhat.com>

        PR c++/49092
        * dwarf2out.c (tree_add_const_value_attribute_for_decl): Check for
        static storage duration.

2011-05-21  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sparc/sparc.md (setjmp): Handle PIC mode and use the hard
        frame pointer.

2011-05-21  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sparc/sparc.c (eligible_for_return_delay): Do not return
        false if there are call-saved registers here...
        (sparc_can_use_return_insn_p): ...but here instead.
        (save_or_restore_regs): Fix thinko.
        (sparc_expand_prologue): Use current_function_is_leaf.
        (sparc_frame_pointer_required): Likewise.

2011-05-21  Nick Clifton  <nickc@redhat.com>

        PR target/49098
        * config/rx/rx.c (rx_memory_move_cost): Note unused parameters.

2011-05-21  Nicola Pero  <nicola.pero@meta-innovation.com>

        * gengtype.c (walk_type): Implemented "atomic" GTY option.
        * doc/gty.texi (GTY Options): Document "atomic" GTY option.

2011-05-21  Joseph Myers  <joseph@codesourcery.com>

        * opt-read.awk: New.  Split out of optc-gen.awk and opth-gen.awk.
        * optc-gen.awk: Move common code to opt-read.awk.
        * opth-gen.awk: Likewise.
        * Makefile.in (options.c, s-options-h): Update to use opt-read.awk.

2011-05-20  Nathan Froyd  <froydnj@codesourcery.com>

        * godump.c (go_format_type): Don't use TYPE_ARG_TYPES.

2011-05-20  Tom de Vries  <tom@codesourcery.com>

        PR target/45098
        * tree-ssa-loop-ivopts.c: Include expmed.h.
        (get_shiftadd_cost): New function.
        (force_expr_to_var_cost): Declare forward.  Use get_shiftadd_cost.

2011-05-20  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/49086
        * gimple-fold.c (and_comparisons_1, or_comparisons_1): Return NULL
        for PHI args that are SSA_NAME_IS_DEFAULT_DEF.

2011-05-20  Joseph Myers  <joseph@codesourcery.com>

        * Makefile.in: Update comment referring to $(OBJS-common).

2011-05-20  Ian Lance Taylor  <iant@google.com>

        * godump.c (go_output_typedef): Put enum constants in the macro
        hash table to avoid duplicate Go const definitions.

2011-05-20  Joseph Myers  <joseph@codesourcery.com>

        * Makefile.in (LIBDEPS): Add libcommon.a.
        (LIBS): Likewise.
        (GCC_OBJS): Remove diagnostic.o, pretty-print.o and input.o.
        (OBJS-common): Remove diagnostic.o, input.o, intl.o,
        pretty-print.o and version.o.
        (OBJS-libcommon): New.
        (ALL_HOST_BACKEND_OBJS): Add $(OBJS-libcommon).
        (BACKEND): Add libcommon.a.
        (MOSTLYCLEANFILES): Likewise.
        (libcommon.a): New.
        (xgcc$(exeext)): Don't explicitly use version.o and intl.o.
        (cpp$(exeext)): Likewise.
        (COLLECT2_OBJS): Remove intl.o, version.o, diagnostic.o,
        pretty-print.o and input.o.
        (lto-wrapper$(exeext)): Don't explicitly use intl.o.
        (lto-wrapper.o): Depend on $(DIAGNOSTIC_H).
        (errors.o): Remove.
        (mips-tfile): Don't explicitly use version.o.
        (mips-tdump): Likewise.
        (gcov.o): Depend on $(DIAGNOSTIC_H).
        (gcov-dump.o): Depend on intl.h and $(DIAGNOSTIC_H).
        (GCOV_OBJS): Remove intl.o, version.o and errors.o.
        (GCOV_DUMP_OBJS): Remove version.o and errors.o.
        * gcov-dump.c: Include intl.h and diagnostic.h.
        (main): Initialize diagnostics.
        * gcov.c: Include diagnostic.h.
        (fnotice): Remove.
        (main): Initialize diagnostics.
        * lto-wrapper.c: Include diagnostic.h.
        (main): Initialize diagnostics.

2011-05-20  Michael Matz  <matz@suse.de>

        * Makefile.in (OBJS-common, OBJS-md, OBJS-archive): Merge into OBJS.

2011-05-20  Michael Matz  <matz@suse.de>
            Richard Guenther  <rguenther@suse.de>

        * lto-streamer.c (lto_record_common_node): Don't track seen nodes,
        use lto_streamer_cache_append directly instead of returning a VEC.
        (preload_common_node): Remove.
        (lto_get_common_nodes): Rename to lto_preload_common_nodes, don't
        track seen nodes.
        (lto_streamer_cache_create): Call lto_preload_common_nodes.

2011-05-20  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/49079
        * tree-dfa.c (get_ref_base_and_extent): Handle view-converting
        MEM_REFs correctly for the trailing array access detection.
        Special case constants the same way as decls for overall size
        constraining.

2011-05-20  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/mingw32.h (OUTPUT_QUOTED_STRING): Fix macro
        argument expansion.

2011-05-20  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/49073
        * gimple-fold.c (and_comparisons_1, or_comparisons_1): Return NULL if
        PHI argument is SSA_NAME, whose def_stmt is dominated by the PHI.
        * tree-ssa-ifcombine.c (tree_ssa_ifcombine): Calculate dominators.

2011-05-20  Richard Guenther  <rguenther@suse.de>

        PR middle-end/48849
        * gimple.c (gimple_register_canonical_type): Compute TYPE_CANONICAL
        of pointer types the same way the middle-end does.

2011-05-20  Richard Guenther  <rguenther@suse.de>

        * gimple.c (gimple_register_type_1): Do not fiddle with main-variant
        or pointer-to chains.  Delay all fixup to uniquify_nodes.

2011-05-19  Quentin Neill  <quentin.neill@amd.com>

        * config/i386/sse.md (fma4_fmsubadd): Use <ssemodesuffix>.
        (fma4_fmaddsub): Likewise

2011-05-19  Jan Hubicka  <jh@suse.cz>

        * gimple.c (gtc_visited, gtc_ob, type_pair_hash, type_pair_eq): Remove.
        (GIMPLE_TYPE_PAIR_SIZE): New macro.
        (type_pair_cache): New static var.
        (lookup_type_pair): Use fixed sized custom hash; make inline.
        (gtc_visit, gimple_types_compatible_p, gimple_register_type_1): Update
        calls of lookup_type_pair.
        (print_gimple_types_stats): Remove cache stats.
        (free_gimple_type_tables): Free type_pair_cache instead of gtc_visited
        and gtc_ob.

2011-05-19  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (option_override_internal): Enable TARGET_CMOVE
        when TARGET_RDRND is active.
        (ix86_expand_builtin) <case IX86_BUILTIN_RDRAND{16,32,64}_STEP>:
        Generate dummy SImode target register when target is NULL.

2011-05-19  Joseph Myers  <joseph@codesourcery.com>

        * config/arm/arm-fpus.def: New.
        * config/arm/genopt.sh: Generate Enum and EnumValue entries from
        arm-fpus.def.
        * config/arm/arm-tables.opt: Regenerate.
        * config/arm/arm.c (all_fpus): Move contents to arm-fpus.def.
        (arm_option_override): Don't decode FPU name to string here.
        * config/arm/arm.opt (mfpu=): Use Enum.
        * config/arm/t-arm ($(srcdir)/config/arm/arm-tables.opt, arm.o):
        Update dependencies.

2011-05-19  Joseph Myers  <joseph@codesourcery.com>

        * collect2.c: Include diagnostic.h.
        (fatal_perror, fatal, error, fancy_abort): Remove.
        (main): Set progname.  Call xmalloc_set_program_name and
        diagnostic_initialize.
        (maybe_run_lto_and_relink, main, collect_execute, scan_prog_file,
        scan_libraries, resolve_lib_name): Call fatal_error instead of
        fatal and fatal_perror.
        * collect2.h (error, fatal, fatal_perror): Don't declare.
        * tlink.c: Include diagnostic-core.h.
        (recompile_files): Call fatal_error instead of fatal_perror.
        * Makefile.in (COLLECT2_OBJS): Include diagnostic.o,
        pretty-print.o and input.o.
        (collect2.o, tlink.o): Update dependencies.

2011-05-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/i386/i386.md (tls_initial_exec_64_sun): Add semicolon.

2011-05-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR target/40483
        * configure.ac (gcc_cv_as_comdat_group_group): Check for Sun as
        COMDAT group syntax, both SPARC and x86 variants.
        (HAVE_COMDAT_GROUP): Also define if gcc_cv_as_comdat_group_group.
        * configure: Regenerate.
        * config/sol2.h (TARGET_SOLARIS): Define.
        (PUSHSECTION_FORMAT): Remove.
        (SECTION_NAME_FORMAT): Define.
        * config/sol2.c: Include hashtab.h.
        (solaris_output_init_fini): Replace PUSHSECTION_FORMAT by its
        expansion, using SECTION_NAME_FORMAT.
        (solaris_comdat_htab): New variable.
        (struct comdat_entry): Define.
        (comdat_hash): New function.
        (comdat_eq): New function.
        (solaris_elf_asm_comdat_section): New function.
        (solaris_define_comdat_signature): New function.
        (solaris_code_end): New function.
        * config/sol2-protos.h (solaris_elf_asm_comdat_section): Declare.
        (solaris_code_end): Declare.
        * config/t-sol2 (sol2.o): Add $HASHTAB_H dependency.
        * config/i386/i386.c (ix86_code_end) [TARGET_SOLARIS]: Call
        solaris_code_end.
        (i386_solaris_elf_named_section): Wrap in TARGET_SOLARIS.
        Remove ATTRIBUTE_UNUSED.
        [!USE_GAS]: Call solaris_elf_asm_comdat_section for
        SECTION_LINKONCE sections if HAVE_COMDAT_GROUP.
        * config/sparc/sparc.c (sparc_solaris_elf_asm_named_section): Likewise.
        * config/i386/sol2-10.h (TARGET_ASM_NAMED_SECTION): Moved ...
        * config/i386/sol2.h (TARGET_ASM_NAMED_SECTION): ... here.
        * config/sparc/sol2.h (TARGET_ASM_CODE_END): Redefine.
        (PUSHSECTION_FORMAT): Remove.
        (SECTION_NAME_FORMAT): Redefine.

2011-05-19  Kai Tietz  <ktietz@redhat.com>

        * tree-cfg.c (verify_gimple_assign_binary): Barf on
        TRUTH_AND_EXPR, TRUTH_OR_EXPR, and TRUTH_XOR_EXPR.
        (gimplify_expr): Move TRUTH_AND|OR|XOR_EXPR to its binary form.

2011-05-19  Anatoly Sokolov  <aesok@post.ru>
            Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/t-sol2 (sol2.o): Add $(TARGET_H) dependency.

2011-05-19  Richard Guenther  <rguenther@suse.de>

        PR middle-end/48985
        * tree-object-size.c (addr_object_size): If the pointed-to
        variable is a decl use DECL_SIZE_UNIT instead of TYPE_SIZE_UNIT.

2011-05-19  Richard Guenther  <rguenther@suse.de>

        * gimple.c (gimple_types_compatible_p_1): Compare names of
        the types themselves.
        (iterative_hash_gimple_type): And hash them that way.
        (gimple_register_type_1): If we register a main variant properly
        initialize the leader to ourselves.

2011-05-19  Tom de Vries  <tom@codesourcery.com>

        PR target/45098
        * tree-ssa-loop-ivopts.c (get_expr_id): Factored new function out of
        get_loop_invariant_expr_id.
        (get_loop_invariant_expr_id): Use get_expr_id.
        (parm_decl_cost): New function.
        (determine_use_iv_cost_condition): Use get_expr_id and parm_decl_cost.
        Improve bound cost estimation.  Use different inv_expr_id for elim and
        express cases.

2011-05-19  Tom de Vries  <tom@codesourcery.com>

        PR target/45098
        * tree-ssa-loop-ivopts.c (determine_iv_cost): Prevent
        cost_base.cost == 0.

2011-05-18  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/49002
        * config/i386/sse.md (avx_<ssemodesuffix><avxsizesuffix>_<ssemodesuffix>):
        Properly handle load cast.

2011-05-18  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/49039
        * tree-vrp.c (extract_range_from_binary_expr): For
        MIN_EXPR <~[a, b], ~[c, d]> and MAX_EXPR <~[a, b], ~[c, d]>
        return ~[MAX_EXPR <a, c>, MIN_EXPR <b, d>].

2011-05-18  Tom de Vries  <tom@codesourcery.com>

        PR target/45098
        * tree-ssa-loop-ivopts.c (computation_cost): Prevent cost of 0.

2011-05-18  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*tls_global_dynamic_32_gnu): Split asm template.
        (*tls_global_dynamic_64): Ditto.
        (*tls_local_dynamic_base_32_gnu): Ditto.
        (*tls_local_dynamic_base_64): Ditto.
        (tls_initial_exec_64_sun): Ditto.

2011-05-18  Stuart Henderson  <shenders@gcc.gnu.org>

        * doc/invoke.texi (Blackfin Options): -mcpu accepts bf592.
        * config/bfin/t-bfin-elf (MULTILIB_MATCHES): Select bf532-none for
        bf592-none.
        * config/bfin/t-bfin-linux (MULTILIB_MATCHES): Likewise.
        * config/bfin/t-bfin-uclinux (MULTILIB_MATCHES): Likewise.
        * config/bfin/bfin.c (bfin_cpus): Add bf592.
        * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
        __ADSPBF592__ and __ADSPBF59x__ for BFIN_CPU_BF592.
        * config/bfin/bfin-opts.h (bfin_cpu_type): Add BFIN_CPU_BF592.
        * config/bfin/elf.h (LIB_SPEC): Add bf592.

2011-05-18  Joseph Myers  <joseph@codesourcery.com>

        * config/arm/arm-opts.h (enum arm_fp16_format_type, enum
        arm_abi_type, enum float_abi_type, enum arm_tp_type): Move from arm.h.
        * config/arm/arm.c (arm_float_abi, arm_fp16_format, arm_abi,
        target_thread_pointer, arm_structure_size_boundary, struct
        float_abi, all_float_abis, struct fp16_format, all_fp16_formats,
        struct abi_name, arm_all_abis): Remove.
        (arm_option_override) Don't process most enumerated option values here.
        Don't process target_fpe_name here.  Work with integer not string for
        structure size boundary; use separate diagnostics for each case.
        * config/arm/arm.h (enum float_abi_type, enum
        arm_fp16_format_type, enum arm_abi_type, enum arm_tp_type): Move
        to arm-opts.h.
        (arm_float_abi, arm_fp16_format, arm_abi, target_thread_pointer,
        arm_structure_size_boundary): Remove.
        * config/arm/arm.opt (mabi=): Use Enum and Init.
        (arm_abi_type): New Enum and EnumValue entries.
        (mfloat-abi=): Use Enum and Init.
        (float_abi_type): New Enum and EnumValue entries.
        (mfp=, mfpe=): Replace by separate Alias entries for each argument.
        (mfp16-format=): Use Enum and Init.
        (arm_fp16_format_type): New Enum and EnumValue entries.
        (mstructure-size-boundary=): Use UInteger and Init.
        (mtp=): Use Enum and Init.
        (arm_tp_type): New Enum and EnumValue entries.

2011-05-18  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/49018
        * gimple.c (gimple_has_side_effects): Volatile asms have side-effects.
        * tree-ssa-ifcombine.c (bb_no_side_effects_p): Use
        gimple_has_side_effects.

2011-05-18  Richard Guenther  <rguenther@suse.de>

        * gimple.c (gimple_register_type_1): New function, split out from ...
        (gimple_register_type): ... here.  Avoid infinite recursion.

2011-05-18  Ira Rosen  <ira.rosen@linaro.org>

        PR tree-optimization/41881
        * tree-vectorizer.h (struct _loop_vec_info): Add new field
        reduction_chains along with a macro for its access.
        * tree-vect-loop.c (new_loop_vec_info): Initialize reduction chains.
        (destroy_loop_vec_info): Free reduction chains.
        (vect_analyze_loop_2): Return false if vect_analyze_slp() returns false.
        (vect_is_slp_reduction): New function.
        (vect_is_simple_reduction_1): Call vect_is_slp_reduction.
        (vect_create_epilog_for_reduction): Support SLP reduction chains.
        * tree-vect-slp.c (vect_get_and_check_slp_defs): Allow different
        definition types for reduction chains.
        (vect_supported_load_permutation_p): Don't allow permutations for
        reduction chains.
        (vect_analyze_slp_instance): Support reduction chains.
        (vect_analyze_slp): Try to build SLP instance from reduction chains.
        (vect_get_constant_vectors):  Handle reduction chains.
        (vect_schedule_slp_instance): Mark the first statement of the
        reduction chain as reduction.

2011-05-18  Ira Rosen  <ira.rosen@linaro.org>

        * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks): Use new
        names for group elements access.
        * tree-vectorizer.h (struct _stmt_vec_info): Use interleaving info for
        reduction chains as well.  Remove data reference and interleaving
        related words from the fields names.
        * tree-vect-loop.c (vect_transform_loop): Use new names for group
        elements access.
        * tree-vect-data-refs.c (vect_get_place_in_interleaving_chain,
        vect_insert_into_interleaving_chain, vect_update_interleaving_chain,
        vect_update_interleaving_chain, vect_same_range_drs,
        vect_analyze_data_ref_dependence, vect_update_misalignment_for_peel,
        vect_verify_datarefs_alignment, vector_alignment_reachable_p,
        vect_peeling_hash_get_lowest_cost, vect_enhance_data_refs_alignment,
        vect_analyze_group_access, vect_analyze_data_ref_access,
        vect_create_data_ref_ptr, vect_transform_strided_load,
        vect_record_strided_load_vectors): Likewise.
        * tree-vect-stmts.c (vect_model_simple_cost, vect_model_store_cost,
        vect_model_load_cost, vectorizable_store, vectorizable_load,
        vect_remove_stores, new_stmt_vec_info): Likewise.
        * tree-vect-slp.c (vect_build_slp_tree,
        vect_supported_slp_permutation_p, vect_analyze_slp_instance): Likewise.

2011-05-18  Richard Guenther  <rguenther@suse.de>

        PR middle-end/48989
        * tree-cfg.c (verify_gimple_assign_unary): Adjust TRUTH op
        operand verification.
        (verify_gimple_assign_binary): Likewise.
        * tree-ssa.c (useless_type_conversion_p): Preserve conversions
        to non-1-precision BOOLEAN_TYPEs.

2011-05-18  Tom de Vries  <tom@codesourcery.com>

        PR target/45098
        * tree-ssa-loop-ivopts.c (seq_cost): Fix call to rtx_cost.

2011-05-18  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/49000
        * tree-ssa.c (execute_update_addresses_taken): Call
        maybe_rewrite_mem_ref_base on debug stmt value.  If it couldn't
        be rewritten and decl has been marked for renaming, reset
        the debug stmt.

2011-05-17  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/i386.c (ix86_valid_target_attribute_tree): Use
        enum_opts_set when testing if attributes have set -mfpmath=.

2011-05-17  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.c (mips_handle_option): Remove unused variable.

2011-05-17  Uros Bizjak  <ubizjak@gmail.com>

        * ipa-inline-analysis.c (inline_node_duplication_hook): Initialize
        info->entry with 0
        * tree-inline.c (maybe_inline_call_in_expr):  Initialize
        id.transform_lang_insert_block with NULL.

2011-05-17  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386-protos.h (output_fix_trunc): Change arg 3 to bool.
        (output_fp_compare): Change args 3 and 4 to bool.
        (ix86_expand_call): Change arg 6 to bool.
        (ix86_attr_length_immediate_default): Change arg 2 to bool.
        (ix86_attr_length_vex_default): Change arg 3 to bool.
        * config/i386/i386.md: Update all uses.
        * config/i386/i386.c: Ditto.
        (ix86_flags_dependent): Change return type to bool.

2011-05-17  Richard Guenther  <rguenther@suse.de>

        * gimple.c (type_hash_pair_compare): Fix comparison.

2011-05-17  Richard Guenther  <rguenther@suse.de>

        * gimple.c (iterative_hash_gimple_type): Simplify singleton
        case some more, fix final hash value of the non-singleton case.

2011-05-17  Richard Guenther  <rguenther@suse.de>

        PR bootstrap/49013
        Revert
        2011-05-16  Richard Guenther  <rguenther@suse.de>

        * gimple.c (gimple_types_compatible_p_1): Use names of the
        type itself, not its main variant.
        (iterative_hash_gimple_type): Likewise.

2011-05-17  Richard Guenther  <rguenther@suse.de>

        * gimple.c (gimple_register_canonical_type): Use the main-variant
        leader for computing the canonical type.

2011-05-17  Nick Clifton  <nickc@redhat.com>

        * config/rx/rx.c (rx_memory_move_cost): Include cost of register
        moves.

        * config/rx/rx.md: Add peephole to remove redundant extensions
        after loads.
        (bitset_in_memory): Use rx_restricted_mem_operand.
        (bitinvert_in_memory): Likewise.
        (bitclr_in_memory): Likewise.

2011-05-17  Kazuhio Inaoka  <kazuhiro.inaoka.ud@renesas.com>
            Nick Clifton  <nickc@redhat.com>

        * config/rx/rx.md: Add peepholes to match a register move followed
        by a comparison of the moved register.  Replace these with an
        addition of zero that does both actions in one instruction.

2011-05-17  Jakub Jelinek  <jakub@redhat.com>

        PR target/48986
        * config/i386/sync.md (sync_old_add<mode>): Relax operand 2
        predicate to allow CONST_INT.
        (*sync_old_add_cmp<mode>): New insn and peephole2 for it.

2011-05-16  Joseph Myers  <joseph@codesourcery.com>

        * opts-common.c (opt_enum_arg_to_value): New.
        * opts.h (opt_enum_arg_to_value): Declare.
        * config/i386/i386.opt (fpmath): Remove.
        (mfpmath=): Use Enum, Init and Save.
        (fpmath_unit): New Enum and EnumValue entries.
        * config/i386/i386-c.c (ix86_pragma_target_parse): Update field
        name for function fpmath state.
        * config/i386/i386-opts.h (enum fpmath_unit): Move from i386.h.
        * config/i386/i386.c: Include diagnostic.h.
        (ix86_fpmath, IX86_FUNCTION_SPECIFIC_FPMATH): Remove.
        (ix86_target_string): Take enum fpmath_unit value instead of string.
        (ix86_debug_options): Update call to ix86_target_string.
        (ix86_option_override_internal): Don't process fpmath strings here.
        (x86_function_specific_save, ix86_function_specific_restore):
        Don't handle fpmath state specially.
        (ix86_function_specific_print): Pass fpmath state to
        ix86_target_string instead of printing in this function.
        (ix86_valid_target_attribute_inner_p): Take gcc_options pointer.
        Handle enum attributes.
        (IX86_ATTR_ENUM, ix86_opt_enum): New.
        (ix86_valid_target_attribute_tree): Update option_strings
        handling.  Handle fpmath as enum option.
        (ix86_can_inline_p): Update field names for function fpmath state.
        (ix86_expand_builtin): Update call to ix86_target_string.
        * config/i386/i386.h (enum fpmath_unit): Move to i386-opts.h.
        (ix86_fpmath): Remove.
        * config/i386/t-i386 (i386.o): Update dependencies.

2011-05-16  Joseph Myers  <joseph@codesourcery.com>

        PR preprocessor/48677
        * cppspec.c (lang_specific_driver): Set new_decoded_options[0]
        from decoded_options[0], not from itself.

2011-05-16  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/constraints.md (z): New constraint.
        * config/i386/i386.c (c): New mode attribute.
        (*call): Merge insn pattern from *call_0, *call_1, *call_1_rex64 and
        *call_1_rex64_large patterns using "P" mode iterator. Use "<c>zm"
        constraint for operand 0.
        (*call_vzeroupper): Ditto.
        (*call_rex64_ms_sysv): Ditto.  Use "rzm" constraint for operand 0.
        (*call_rex64_ms_sysv_vzeroupper): Ditto.
        (*call_pop): Merge insn pattern from *call_pop_0 and *call_pop_1.
        Use "lzm" constraint for operand 0.
        (*call_pop_vzeroupper): Ditto.
        (*sibcall): Merge insn pattern from *sibcall_0, *sibcall_1 and
        *sibcall_1_rex64 patterns using "P" mode iterator.  Use "Uz"
        constraint for operand 0.
        (*sibcall_vzeroupper): Ditto.
        (*sibcall_rex64_ms_sysv): Ditto.
        (*sibcall_rex64_ms_sysv_vzeroupper): Ditto.
        (*sibcall_pop): Merge insn pattern from *sibcall_pop_0 and
        *sibcall_pop_1.  Use "Uz" constraint for operand 0.
        (*sibcall_pop_vzeroupper): Ditto.
        (*call_value): Merge insn pattern from *call_value_0, *call_value_1,
        *call_value_1_rex64 and *call_value_1_rex64_large patterns using "P"
        mode iterator.  Use "<c>zm" constraint for operand 1.
        (*call_value_vzeroupper): Ditto.
        (*call_value_rex64_ms_sysv): Ditto.  Use "rzm" constraint
        for operand 1.
        (*call_value_rex64_ms_sysv_vzeroupper): Ditto.
        (*call_value_pop): Merge insn pattern from *call_value_pop_0 and
        *call_value_pop_1.  Use "lzm" constraint for operand 1.
        (*call_value_pop_vzeroupper): Ditto.
        (*sibcall_value): Merge insn pattern from *sibcall_value_0,
        *sibcall_value_1 and *sibcall_value_1_rex64 patterns using "P"
        mode iterator.  Use "Uz" constraint for operand 1.
        (*sibcall_value_vzeroupper): Ditto.
        (*sibcall_value_rex64_ms_sysv): Ditto.
        (*sibcall_value_rex64_ms_sysv_vzeroupper): Ditto.
        (*sibcall_value_pop): Rename from *sibcall_pop_1.  Use "Uz"
        constraint for operand 1.
        (*sibcall_value_pop_vzeroupper): Ditto.
        (*tls_global_dynamic_64): Use constant_call_address_operand predicate
        and "z" constraint for operand 2.
        (*tls_global_dynamic_32_gnu): Ditto.
        (*tls_local_dynamic_base_32_gnu): Ditto.
        (*tls_local_dynamic_base_64): Ditto.
        (*tls_local_dynamic_32_once): Ditto.
        * config/i386/i386.c (ix86_output_call_insn): Remove int_addr argument.
        Update all callers.
        * config/i386/i386-protos.h (ix86_output_call_insn): Update prototype.

2011-05-16  Richard Guenther  <rguenther@suse.de>

        * gimple.c (gimple_types_compatible_p_1): Use names of the
        type itself, not its main variant.
        (iterative_hash_gimple_type): Likewise.

2011-05-16  Richard Guenther  <rguenther@suse.de>

        * gimple.c (iterative_hash_gimple_type): Re-instantiate change to
        always visit pointer target and function result and argument types.

2011-05-16  Jason Merrill  <jason@redhat.com>

        PR c++/48999
        * tree-inline.c (copy_statement_list): Put back recursion.

2011-05-16  Georg-Johann Lay  <avr@gjlay.de>

        PR target/27663
        PR target/41076
        * config/avr/predicates.md (const_8_16_24_operand): New predicate.
        * config/avr/avr.md ("*ior<mode>qi.byte0",
        "*ior<mode>qi.byte1-3"): New define_insn_and_split patterns.

2011-05-16  Georg-Johann Lay  <avr@gjlay.de>

        PR target/45099
        * config/avr/avr.c (avr_function_arg_advance): Error if a fixed
        register is needed for a function argument.

2011-05-16  Richard Guenther  <rguenther@suse.de>

        * gimple.c (struct type_hash_pair): New type.
        (type_hash_pair_compare): New function.
        (iterative_hash_gimple_type): Mix in SCC member hashes in hash-order.

2011-05-16  Revital Eres  <revital.eres@linaro.org>

        * modulo-sched.c (doloop_register_get): Check !DEBUG_INSN_P first.

2011-05-15  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (floating point move splitters): Fix
        usage of standard_80387_constant_p.
        * config/i386/i386.c (ix86_preferred_reload_class): Ditto.

2011-05-15  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*movdf_internal): Simplify insn condition.

2011-05-14  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-ssa-loop-im.c (SET_ALWAYS_EXECUTED_IN): New macro.
        (fill_always_executed_in): Use [SET_]ALWAYS_EXECUTED_IN.
        (tree_ssa_lim_finalize): Likewise.

2011-05-14  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/constraint.md (Yd, Yx): New register constraints.
        * config/i386/i386.md (*pushdf): Merge with *pushdf_nointeger.  Use
        Yd conditional register constraint.
        (*movtf_internal): Use standard_sse_constant_opcode.
        (*movxf_internal): Merge with *movxf_internal_nointeger.  Use
        Yx conditional register constraint.
        (*movdf_internal): Merge with *movdf_internal_nointeger.  Use
        Yd conditional register constraint.  Use standard_sse_constant_p to
        check for valid SSE constants and call standard_sse_constant_opcode to
        output SSE insn.
        (*movsf_internal): Use standard_sse_constant_p to check for valid SSE
        constants and call standard_sse_constant_opcode to output SSE insn.
        * config/i386/i386.c (ix86_option_ovverride_internal): Set
        TARGET_INTEGER_DFMODE_MOVES for 64bit targets.  Clear it when
        optimize_size is set.
        (standard_sse_constant_opcode): Output conditional AVX insn templates.

2011-05-14  Tobias Burnus  <burnus@net-b.de>

        * doc/invoke.texi (-Ofast): Also enables -fstack-arrays.

2011-05-13  Martin Jambor  <mjambor@suse.cz>

        * ipa-prop.c (ipa_cst_from_jfunc): New function.
        * ipa-prop.h (ipa_cst_from_jfunc): Declare.
        * ipa-inline-analysis.c (evaluate_conditions_for_edge): Use it.
        (evaluate_conditions_for_ipcp_clone): Removed.
        (estimate_ipcp_clone_size_and_time): Accept vector of known constants.
        * ipa-cp.c (ipcp_estimate_growth): Build vector of known constants.
        * ipa-inline.h (estimate_ipcp_clone_size_and_time): Update.

2011-05-13  Eric Botcazou  <ebotcazou@adacore.com>

        * cfgrtl.c (cfg_layout_redirect_edge_and_branch): Adjust dump message.
        * regcprop.c (copyprop_hardreg_forward): Test MAY_HAVE_DEBUG_INSNS in
        lieu of MAY_HAVE_DEBUG_STMTS.
        * tree-cfgcleanup.c (remove_forwarder_block): Do not attempt to move
        debug statements if !MAY_HAVE_DEBUG_STMTS.

2011-05-13  Martin Thuresson  <martint@google.com>

        PR gcov-profile/47793
        * libgcov.c (gcov_exit): Support relative profile paths.
        * doc/invoke.texi (-fprofile-dir): Update for above change.

2011-05-13  Richard Guenther  <rguenther@suse.de>

        * gimple.c (gimple_canonical_types_compatible_p): Do not use
        type-pair caching, do not compare hashes.

2011-05-13  Nathan Froyd  <froydnj@codesourcery.com>

        PR middle-end/48965
        * tree-cfg.c (edge_to_cases_cleanup): Return true.
        (verify_expr) [CASE_LABEL_EXPR]: Add checking.

2011-05-13  Kai Tietz  <ktietz@redhat.com>

        * gimplify.c (gimplify_expr): Make sure operand is boolified.
        * tree-cfg.c (verify_gimple_assign_unary): Check for boolean
        compatible type for TRUTH_NOT_EXPR.

2011-05-13  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_save_reg): Change return type to bool.
        (ix86_hard_regno_mode_ok): Change return value to bool.  Use
        can_create_pseudo_p ().

2011-05-13  Richard Guenther  <rguenther@suse.de>

        PR lto/48978
        * gimple.c (iterative_hash_gimple_type): Revert change in
        pointer target and function result and argument hashing.

2011-05-13  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*movxf_internal): Use !can_create_pseudo ().
        (*movxf_internal_nointeger): Ditto.
        (*movdf_internal_rex64): Ditto.
        (*movdf_internal): Ditto.
        (*movdf_internal_nointeger): Ditto.
        (*movsf_internal): Ditto.
        (sincos splitters): Use can_create_pseudo ().

2011-05-13  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/i386-opts.h: New.
        * gcc/config/i386/i386.c (stringop_alg, ix86_cmodel,
        ix86_asm_dialect, ix86_regparm, ix86_abi, ix86_branch_cost,
        ix86_section_threshold): Remove.
        (ix86_handle_option): Move MAX_CODE_ALIGN define here.  Handle
        OPT_malign_loops_, OPT_malign_jumps_, OPT_malign_functions_ and
        OPT_mbranch_cost_.
        (ix86_option_override_internal): Don't decode strings for options
        other than -march=, -mtune= and -mfpmath=.  Don't allow for
        __attribute__ uses in remaining diagnostics for options with
        string arguments.  Don't check for integer arguments being negative.
        * gcc/config/i386/i386.h (enum stringop_alg, enum calling_abi,
        enum tls_dialect, enum cmodel, enum asm_dialect): Move to i386-opts.h.
        (ix86_abi, ix86_tls_dialect, ix86_cmodel, ix86_asm_dialect,
        ix86_branch_cost, ix86_section_threshold): Remove.
        * gcc/config/i386/i386.opt (config/i386/i386-opts.h): New
        HeaderInclude.
        (malign-functions=, malign-jumps=, malign-loops=): Use UInteger
        but not Var.
        (masm=): Use Enum and Init.
        (asm_dialect): New Enum and EnumValue entries.
        (mbranch-cost=): Use UInteger.
        (mlarge-data-threshold=): Use UInteger and Init.
        (mcmodel=): Use Enum and Init.
        (cmodel): New Enum and EnumValue entries.
        (mpc): Replace with separate mpc32, mpc64 and mpc80 entries.
        (mpreferred-stack-boundary=, mincoming-stack-boundary=,
        mregparm=): Use UInteger.
        (mstringop-strategy=): Use Enum and Init.
        (stringop_alg): New Enum and EnumValue entries.
        (mtls-dialect=): Use Enum and Init.
        (tls_dialect): New Enum and EnumValue entries.
        (mabi=): Use Enum and Init.
        (calling_abi): New Enum and EnumValue entries.
        (mveclibabi=): Use Enum and Init.
        (ix86_veclibabi): New Enum and EnumValue entries.

2011-05-13  Nick Clifton  <nickc@redhat.com>

        * config/rx/rx.md (mov expander): Fix use of rx_legitimate_constant_p.
        * config/rx/rx-protos.h (rx_legitimate_constant_p): Rename prototype.

2011-05-13  Kai Tietz  <ktietz@redhat.com>

        PR middle-end/48984
        * gimplify.c (gimplify_expr): Check for boolean_type_node instead
        for BOOLEAN_TYPE for TRUTH-NOT/AND/OR/XOR.
        (gimple_boolify): Check for cast for boolean_type_node instead for
        BOOLEAN_TYPE.

2011-05-13  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/48172
        * tree-vect-loop-manip.c (vect_vfa_segment_size): Avoid
        multiplying by number of iterations for equal step.
        (vect_create_cond_for_alias_checks): Likewise.

2011-05-13  Andreas Schwab  <schwab@redhat.com>

        * configure.ac: Use AS_HELP_STRING throughout.
        * configure: Regenerate.

2011-05-12  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_save_reg): Change maybe_eh_return to bool.
        (ix86_emit_restore_regs_using_mov): Likewise.
        (ix86_emit_restore_sse_regs_using_mov): Likewise.

2011-05-12  Anatoly Sokolov  <aesok@post.ru>

        * config/sparc/sparc.h (REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P,
        SYMBOLIC_CONST, RTX_OK_FOR_BASE_P, RTX_OK_FOR_INDEX_P): Remove.
        (RTX_OK_FOR_OFFSET_P, RTX_OK_FOR_OLO10_P): Move to...
        * config/sparc/sparc.c (RTX_OK_FOR_OFFSET_P,
        RTX_OK_FOR_OLO10_P): ...here.
        (sparc_mode_dependent_address_p): Use symbolic_operand instead of
        SYMBOLIC_CONST.

2011-05-12  Kai Tietz  <ktietz@redhat.com>

        * gimplify.c (gimple_boolify): Re-boolify expression
        arguments even if expression type is of kind BOOLEAN_TYPE.
        (gimplify_boolean_expr): Removed.
        (gimplify_expr): Boolify truth opcodes AND, ANDIF, OR, ORIF,
        and XOR. Additional take care that we keep expression's type.
        * tree-cfg.c (verify_gimple_assign_binary): Adjust check for type
        of TRUTH_AND|OR|XOR_EXPR.

2011-05-12  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/48975
        * tree-if-conv.c (combine_blocks): Call free_bb_predicate
        on all bbs here and free and clear ifc_bbs at the end.

2011-05-12  Richard Guenther  <rguenther@suse.de>

        * gimple.c (gtc_visit): Compare TREE_ADDRESSABLE, handle
        NULLPTR_TYPE similar to VOID_TYPE.  Defer type-leader lookup
        until after simple checks.
        (gimple_types_compatible_p): Likewise.
        (iterative_hash_gimple_type): Always hash pointer targets
        and function return and argument types.
        (iterative_hash_canonical_type): Do not hash TYPE_QUALS,
        hash TYPE_ALIGN.  Do not hash TYPE_MIN/MAX_VALUE.
        (gimple_canonical_types_compatible_p): Compare TREE_ADDRESSABLE,
        handle NULLPTR_TYPE similar to VOID_TYPE.  Handle non-aggregates
        completely in the simple compare section.
        (gimple_register_canonical_type): Query the cache again after
        registering.

2011-05-12  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/48172
        * tree-vect-loop-manip.c (vect_vfa_segment_size): Do not exclude
        the number of iterations from the segment size calculation.
        (vect_create_cond_for_alias_checks): Adjust.

2011-05-12  Jakub Jelinek  <jakub@redhat.com>

        PR debug/48967
        * var-tracking.c (use_narrower_mode_test) <case REG>: Return 1
        if validate_subreg fails.

2011-05-12  Hariharan Sandanagobalane  <hariharan@picochip.com>

        * ira.c (clarify_prohibited_class_mode_regs): Prevent the function from
        accessing beyond the end of REGNO_REG_CLASS array by stopping the loop
        early.

2011-05-12  DJ Delorie  <dj@redhat.com>

        * config/rx/rx.c (rx_builtins): New arrays - holds builtin functions.
        (ADD_RX_BUILTIN1, ADD_RX_BUILTIN2, ADD_RX_BUILTIN3): Install
        created builtin into rx_builtins array.
        (rx_builtin_decl): New function.
        (TARGET_BUITLIN_DECL): Define.  Include gt-rx.h.

2011-05-12  DJ Delorie  <dj@redhat.com>
            Nick Clifton  <nickc@redhat.com>

        * config/rx/rx.h (HAVE_PRE_DECREMENT): Fix typo.
        * config/rx/rx.c (CC_FLAG_FP): Fix comment.
        (rx_is_legitimate_address): Add pre-decrement and post-increment
        addressing in HImode and QImode.  Fix test for out of range
        REG+INT addressing.
        (rx_legitimate_constant_p): Rename to rx_is_legitimate_constant.
        (rx_align_for_label): Test label before extracting its usage count.
        (rx_adjust_insn_lengths): Fix selection of insn codes.
        (TARGET_LEGITIMATE_CONSTANT_P): Use renamed function.

2011-05-11  Jason Merrill  <jason@redhat.com>

        * tree.c (type_hash_canon): Use struct tree_type_non_common.

2011-05-11  Eric Botcazou  <ebotcazou@adacore.com>

        * cfgrtl.c (commit_one_edge_insertion): Remove always-true test and
        reindent the subsequent block.

2011-05-11  Satoru Takabayashi  <satorux@google.com>
            Paul Pluzhnikov  <ppluzhnikov@google.com>

        * doc/install.texi (Configuration): Document --with-linker-hash-style.
        * gcc.c (init_spec): Handle LINKER_HASH_STYLE.
        * config.in: Add LINKER_HASH_STYLE.
        * configure.ac: Add --with-linker-hash-style.
        * configure: Regenerate.

2011-05-11  Richard Guenther  <rguenther@suse.de>

        PR middle-end/48964
        * gimple.c (iterative_hash_canonical_type): Fix typo.

2011-05-11  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (legitimize_tls_address)
        <case TLS_MODEL_GLOBAL_DYNAMIC>: Call gen_tls_dynamic_gnu2_{32,64}
        expanders directly for TARGET_GNU2_TLS.  Determine pic and
        __tls_get_addr symbol reference here.  Update call to
        gen_tls_global_dynamic_{32,64} for added arguments.
        <case TLS_MODEL_LOCAL_DYNAMIC>: Call gen_tls_dynamic_gnu2_{32,64}
        expanders directly for TARGET_GNU2_TLS.  Determine
        __tls_get_addr symbol reference here.  Update call to
        gen_tls_local_dynamic_base_{32,64} for added arguments.  Attach
        unique UNSPEC REG_EQUIV to libcall block.
        (ix86_tls_get_addr): Declare static.
        * config/i386/i386-protos.h (ix86_tls_get_addr): Remove declaration.
        * config/i386/i386.md (tls_global_dynamic_32): Add operand 2 and 3.
        Do not determine pic and __tls_get_addr symbol reference here. Do not
        call gen_tls_dynamic_gnu2_32 for TARGET_GNU2_TLS.
        (tls_local_dynamic_base_32): Ditto for operands 1 and 2.
        (tls_global_dynamic_64): Add operand 2.  Do not determine
        __tls_get_addr symbol reference here.  Do not call
        gen_tls_dynamic_gnu2_64 for TARGET_GNU2_TLS here.
        (tls_local_dynamic_base64): Ditto for operand 1.

2011-05-11  Eric Botcazou  <ebotcazou@adacore.com>

        * function.c (expand_function_start): Initialize stack_check_probe_note
        only if the generic stack checking mechanism is used.

2011-05-11  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/15256
        * tree-ssa-forwprop.c (simplify_bitwise_binary): Canonicalize
        (A & B) | C, combine (A op CST1) op CST2.
        (tree_ssa_forward_propagate_single_use_vars): Only bother to
        visit assigns that have uses.

2011-05-11  Nathan Froyd  <froydnj@codesourcery.com>

        * ggc-page.c (extra_order_size_table): Use struct tree_type_non_common.
        * lto-streamer-in.c (unpack_ts_type_value_fields): Rename to...
        (unpack_ts_type_common_value_fields): ...this.  Update comment.
        (unpack_value_fields): Adjust for renaming.
        (lto_input_ts_type_tree_pointers): Split into...
        (lto_input_ts_type_common_tree_pointer): ...this and...
        (lto_input_ts_type_non_common_tree_pointers): ...this.
        (lto_input_tree_pointers): Adjust for above split.
        * lto-streamer-out.c (pack_ts_type_value_fields): Rename to...
        (pack_ts_type_common_value_fields): ...this.  Update comment.
        (lto_output_ts_type_tree_pointers): Split into...
        (lto_output_ts_type_common_tree_pointers): ...this and...
        (lto_output_ts_type_non_common_tree_pointers): ...this.
        (lto_output_tree_pointers): Adjust for above split.
        * lto-streamer.c (check_handled_ts_structures): Mark TS_TYPE_COMMON,
        TS_TYPE_WITH_LANG_SPECIFIC, and TS_TYPE_NON_COMMON as handled.
        * stor-layout.c (vector_type_mode): Adjust location of mode field.
        * tree.h (MARK_TS_TYPE_COMMON, MARK_TS_TYPE_WITH_LANG_SPECIFIC):
        Define.
        (struct tree_type): Split into...
        (struct tree_type_common: ...this and...
        (struct tree_type_with_lang_specific): ...this and...
        (struct tree_type_non_common): ...this.  Adjust accessor macros
        accordingly.
        (TYPE_VALUES_RAW): Define.
        (union tree_node): Update for above changes.
        * tree.c (tree_node_structure_for_code) [tcc_type]: Return
        TS_TYPE_NON_COMMON.
        (initialize_tree_contains_struct) [TS_TYPE]: Use TS_TYPE_COMMON.
        Add TS_TYPE_WITH_LANG_SPECIFIC and TS_TYPE_NON_COMMON.
        (tree_code_size) [tcc_type]: Use struct tree_type_non_common.
        * treestructu.def (TS_TYPE): Remove.
        (TS_TYPE_COMMON, TS_TYPE_WITH_LANG_SPECIFIC, TS_TYPE_NON_COMMON):
        Define.

2011-05-11  Jakub Jelinek  <jakub@redhat.com>

        PR debug/48159
        * tree-ssa.c (reset_debug_uses): New function.
        * tree-flow.h (reset_debug_uses): New prototype.
        * tree-data-ref.c (stmts_from_loop): Ignore debug stmts.
        * tree-loop-distribution.c (generate_loops_for_partition): Call
        reset_debug_uses on the stmts that will be removed.  Keep around
        all debug stmts, don't count them as bits in partition bitmap.
        (generate_builtin): Don't count debug stmts or labels as bits in
        partition bitmap.

2011-05-11  Richard Guenther  <rguenther@suse.de>

        * gimple.c (gimple_type_hash_1): Merge with ...
        (gimple_type_hash): ... this.
        (gtc_visit): Remove mode parameter and simplify accordingly.
        (gimple_types_compatible_p_1): Likewise.
        (gimple_types_compatible_p): Likewise.
        (iterative_hash_gimple_type): Likewise.
        (visit): Likewise.
        (gimple_type_eq): Adjust.

2011-05-11  Revital Eres  <revital.eres@linaro.org>

        * ddg.c (create_ddg_dep_from_intra_loop_link): If a true dep edge
        enters the branch create an anti edge in the opposite direction
        to prevent the creation of reg-moves.
        * modulo-sched.c: Adjust comment to reflect the fact we are
        scheduling closing branch.
        (PS_STAGE_COUNT): Rename to CALC_STAGE_COUNT and redefine.
        (stage_count): New field in struct partial_schedule.
        (calculate_stage_count): New function.
        (normalize_sched_times): Rename to reset_sched_times and handle
        incrementing the sched time of the nodes by a constant value
        passed as parameter.
        (duplicate_insns_of_cycles): Skip closing branch.
        (sms_schedule_by_order): Schedule closing branch.
        (ps_insn_find_column): Handle closing branch.
        (sms_schedule): Call reset_sched_times and adjust the code to
        support scheduling of the closing branch.
        (ps_insert_empty_row): Update calls to normalize_sched_times
        and rotate_partial_schedule functions.

2011-05-11  Richard Guenther  <rguenther@suse.de>

        PR middle-end/48953
        * tree-inline.c (remap_gimple_op_r): Also remap types of MEM_REFs.

2011-05-11  Joseph Myers  <joseph@codesourcery.com>

        * opts.c (finish_options): Move warning settings from process_options.
        * toplev.c (process_options): Move warning settings to finish_options.

2011-05-11  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/18041
        * tree-ssa-forwprop.c (simplify_bitwise_and): Rename to ...
        (simplify_bitwise_binary): ... this.  Handle operand conversions
        by applying them to the result instead.
        (tree_ssa_forward_propagate_single_use_vars): Adjust.  CSE tree code.

2011-05-11  Richard Guenther  <rguenther@suse.de>

        * gimple.c (gimple_canonical_types_compatible_p): Split out
        from gimple_types_compatible_p and friends.  Do not recurse
        to pointed-to types.
        (gimple_canonical_type_eq): Use it.
        (iterative_hash_canonical_type): Split out from
        iterative_hash_gimple_type and friends.  Do not recurse
        to pointed-to types.
        (gimple_canonical_type_hash): Use it, allocate the hash here.

2011-05-11  Revital Eres  <revital.eres@linaro.org>

        * modulo-sched.c (doloop_register_get): Ignore DEBUG_INSNs while
        recognizing doloop.

2011-05-11  Revital Eres  <revital.eres@linaro.org>

        * loop-doloop.c (doloop_condition_get): Use prev_nondebug_insn
        instead of PREV_INSN.

2011-05-11  Revital Eres  <revital.eres@linaro.org>

        * modulo-sched.c (sms_schedule): Support new form of doloop pattern
        * loop-doloop.c (doloop_condition_get): Likewise.
        * config/arm/thumb2.md (*thumb2_addsi3_compare0): Remove "*".
        (doloop_end): New.
        * config/arm/arm.md (*addsi3_compare0): Remove "*".

2011-05-10  Nathan Froyd  <froydnj@codesourcery.com>

        * tree.def (CASE_LABEL_EXPR): Add an operand.
        * tree.h (CASE_CHAIN): Use TREE_OPERAND instead of TREE_CHAIN.

2011-05-10  Joseph Myers  <joseph@codesourcery.com>

        * c-decl.c (c_override_global_bindings_to_false): Remove.
        (global_bindings_p): Don't check
        c_override_global_bindings_to_false.
        * c-tree.h (c_override_global_bindings_to_false): Remove.
        * c-typeck.c (composite_type): Don't set
        c_override_global_bindings_to_false.

2011-05-10  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/48857, 48495
        * config/rs6000/rs6000.h (VSX_SCALAR_MODE): Delete.
        (VSX_MODE): Ditto.
        (VSX_MOVE_MODE): Ditto.
        (ALTIVEC_OR_VSX_VECTOR_MODE): New macro, combine all Altivec and
        VSX vector types.  Add V2DImode.
        (HARD_REGNO_CALLER_SAVE_MODE): Use it instead of
        ALTIVEC_VECTOR_MODE and VSX_VECTOR_MODE calls.
        (MODES_TIEABLE_P): Ditto.

        * config/rs6000/rs6000.c (rs6000_emit_move): Use
        ALTIVEC_OR_VSX_MODE instead of ALTIVEC_VECTOR_MODE and
        VSX_VECTOR_MODE.
        (init_cumulative_args): Ditto.
        (rs6000_function_arg_boundary): Ditto.
        (rs6000_function_arg_advance_1): Ditto.
        (rs6000_function_arg): Ditto.
        (rs6000_function_ok_for_sibcall): Ditto.
        (emit_frame_save): Ditto.
        (rs6000_function_value): Ditto.
        (rs6000_libcall_value): Ditto.

2011-05-10  Joseph Myers  <joseph@codesourcery.com>

        * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
        i386/darwin-lib.h to $libgcc_tm_file.
        * config/i386/darwin.h (DECLARE_LIBRARY_RENAMES): Remove.

2011-05-10  Joseph Myers  <joseph@codesourcery.com>

        * doc/sourcebuild.texi (Back End): Mention contrib/config-list.mk.

2011-05-10  Joseph Myers  <joseph@codesourcery.com>

        * config/rs6000/genopt.sh, config/rs6000/rs6000-cpus.def: New files.
        * config/rs6000/rs6000-tables.opt: New file (generated).
        * config.gcc (powerpc*-*-*, rs6000*-*-*): Add
        rs6000/rs6000-tables.opt to extra_options.
        * config/rs6000/rs6000-opts.h (RS6000_CPU_OPTION_NATIVE): Define.
        * config/rs6000/rs6000.c (rs6000_select): Remove.
        (processor_target_table): Move contents to rs6000-cpus.def.
        (darwin_rs6000_override_options): Check
        global_options_set.x_rs6000_cpu_index instead of
        rs6000_select[1].string.
        (rs6000_option_override_internal): Likewise.
        (rs6000_handle_option): Don't assert that global structures are in
        use.  Don't handle OPT_mcpu_ and OPT_mtune_ here.
        (rs6000_default_cpu): New variable.
        (rs6000_file_start): Set it instead of local default_cpu.  Check
        rs6000_default_cpu, global_options_set.x_rs6000_cpu_index and
        global_options_set.x_rs6000_tune_index instead of rs6000_select.
        (rs6000_darwin_file_start): Check rs6000_default_cpu and
        global_options_set.x_rs6000_cpu_index instead of rs6000_select.
        * config/rs6000/rs6000.h (struct rs6000_cpu_select,
        rs6000_select): Remove.
        * config/rs6000/rs6000.opt (rs6000_cpu_index, rs6000_tune_index):
        Remove.
        (mcpu=, mtune=): Use Var, Init, Enum and Save.
        * config/rs6000/t-rs6000
        ($(srcdir)/config/rs6000/rs6000-tables.opt): New.
        * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Check
        global_options_set.x_rs6000_cpu_index instead of
        rs6000_select[1].string.
        * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Check
        global_options_set.x_rs6000_cpu_index instead of
        rs6000_select[1].string.

2011-05-10  Joseph Myers  <joseph@codesourcery.com>

        * config.gcc (libgcc_tm_file): Define instead of including files
        from ../../libgcc/config/ in tm_file.
        * configure.ac (libgcc_tm_file_list, libgcc_tm_include_list): Define.
        * configure: Regenerate.
        * Makefile.in (libgcc_tm_file_list, libgcc_tm_include_list,
        libgcc_tm.h, cs-libgcc_tm.h): New.
        (TM_H): Include libgcc_tm.h and $(libgcc_tm_file_list).
        (clean): Remove libgcc_tm.h.
        * config/arm/symbian.h (RENAME_LIBRARY): Remove.
        * mkconfig.sh: Include libgcc_tm.h in tm.h if USED_FOR_TARGET.
        * system.h (DECLARE_LIBRARY_RENAMES): Poison.

2011-05-10  Georg-Johann Lay  <avr@gjlay.de>

        PR target/48896
        * config/avr/avr.c (avr_ret_register): Return unsigned int
        instead of int.
        (avr_function_value): Mark fn_decl_or_type as unused, don't pass
        it to avr_libcall_value.
        avr_expand_builtin): Use EXPAND_NORMAL as arg 4 in calls to
        expand_expr.
        (avr_expand_binop_builtin): Ditto.
        (avr_expand_unop_builtin): Ditto.

2011-05-10  DJ Delorie  <dj@redhat.com>

        * config/rx/rx.h (JUMP_ALIGN, LABEL_ALIGN, LOOP_ALIGN): Define.
        (LABEL_ALIGN_AFTER_BARRIER): Pass label to rx_align_for_label
        * config/rx/rx.c (rx_align_for_label): Add label and
        uses_threshold parameters.  Do not align when the label is not
        used enough.
        * config/rx/rx-protos.h (rx_align_for_label): Update prototype.

2011-05-10  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-forwprop.c (combine_conversions): Pattern-match
        a series of conversions and apply foldings similar to what
        fold-const does.
        (tree_ssa_forward_propagate_single_use_vars): Call it.

2011-05-10  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/48611
        PR tree-optimization/48794
        * tree-eh.c (remove_unreachable_handlers): Don't remove regions
        referenced from RESX or EH_DISPATCH arguments.

        PR debug/48928
        * dfp.c (decimal_to_decnumber): Handle conversion from
        dconst{1,2,m1,half}.

2011-05-09  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_autovectorize_vector_sizes): Return 0
        for !flag_prefer_avx128.
        (ix86_preferred_simd_mode): Return word_mode for DFmode without SSE2.

2011-05-09  Eric Botcazou  <ebotcazou@adacore.com>

        * fold-const.c (fold_range_test): Pass LOC to build_range_check.
        (fold_ternary_loc): Use expr_location_or.

2011-05-09  H.J. Lu  <hongjiu.lu@intel.com>

        PR debug/48853
        * dwarf2out.c (mem_loc_descriptor) <case SUBREG>: If
        POINTERS_EXTEND_UNSIGNED is defined, don't give up if mode is
        Pmode and mem_mode is not VOIDmode.

2011-05-09  Ville Voutilainen  <ville.voutilainen@gmail.com>

        * tree.h (TYPE_UNQUALIFIED, TYPE_QUAL_CONST, TYPE_QUAL_VOLATILE,
        TYPE_QUAL_RESTRICT): Convert to enum.

2011-05-09  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/predicates.md (const_pow2_1_to_2_operand): Remove.
        (const_pow2_1_to_8_operand): Ditto.
        (const_pow2_1_to_128_operand): Ditto.
        (const_pow2_1_to_32768_operand): Ditto.
        * config/i386/mmx.md (*mmx_pinsrw): Use const_int_operand instead of
        const_pow2_1_to_8_operand for operand 3 predicate.  Use exact_log2
        in insn constraint to check integer value of operand 3.
        * config/i386/sse.md (*vec_setv4sf_sse4_1): Ditto.

        (PINSR_MODE): New mode iterator.
        (sse2p4_1): New mode attribute.
        (<sse2p4_1>_pinsr<ssemodesuffix>): Merge insn from sse4_1_pinsrb,
        sse2_pinsrw, sse4_1_pinsrd and sse4_1_pinsrq using PINSR_MODE mode
        iterator.  Use const_int_operand instead of
        const_pow2_1_to_{2,8,128,32768}_operand for operand 3 predicate.  Use
        exact_log2 in insn constraint to check integer value of operand 3.

2011-05-09  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (blendbits): Remove mode attribute.
        (<sse4_1>_blend<ssemodesuffix><avxsizesuffix>): Use const_int_operand
        instead of const_0_to_<blendbits>_operand for operand 3 predicate.
        Check integer value of operand 3 in insn constraint.

2011-05-09  Richard Guenther  <rguenther@suse.de>

        * lto-symtab.c (lto_cgraph_replace_node): Use types_compatible_p
        for diagnostics.
        (lto_symtab_merge): Likewise.  Do not register types here.
        (lto_symtab_merge_decls_2): Likewise.
        (lto_symtab_merge_decls_1): Likewise.
        * gimple.h (enum gtc_mode, gimple_types_compatible_p): Do not declare.
        * gimple.c (enum gtc_mode): Declare.
        (gimple_types_compatible_p): Make static.

2011-05-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.md (TD/TF mem to reg move splitter): Make the
        temporary register to match Pmode.

2011-05-09  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (*vec_concatv4si): Merge from *vec_concatv4si_1
        and *vec_concatv4si_1_avx.

2011-05-09  Uros Bizjak  <ubizjak@gmail.com>

        PR rtl-optimization/48927
        * ira-conflicts.c (commutative_constraint_p): Use
        recog_data.alternative_enabled_p to disable alternatives where
        "enabled" attribute is false.
        (get_dup_num): Ditto.
        * ira-lives.c (single_reg_class): Ditto.
        (ira_implicitly_set_insn_hard_regs): Ditto.

2011-05-09  Eric Botcazou  <ebotcazou@adacore.com>

        * var-tracking.c (find_mem_expr_in_1pdv): Fix thinko.
        (dataflow_set_preserve_mem_locs): Likewise.

2011-05-09  Philipp Thomas  <pth@suse.de>

        * config/mep/mep.c (mep_validate_vliw): Syntax description
        should not be translated.

2011-05-09  Joseph Myers  <joseph@codesourcery.com>

        * config/mips/genopt.sh, config/mips/mips-cpus.def: New files.
        * config/mips/mips-tables.opt: New file (generated).
        * config.gcc (mips*-*-*): Add mips/mips-tables.opt to extra_options.
        * config/mips/mips-opts.h (MIPS_ARCH_OPTION_FROM_ABI,
        MIPS_ARCH_OPTION_NATIVE): Define.
        * config/mips/mips.c (mips_cpu_info_table): Move contents to
        mips-cpus.def.
        (mips_strict_matching_cpu_name_p, mips_matching_cpu_name_p,
        mips_parse_cpu): Remove.
        (mips_cpu_info_from_opt, mips_default_arch): New.
        (mips_handle_option): Don't assert that global structures are in
        use.  Don't handle OPT_march_, OPT_mtune_ and OPT_mips here.
        (mips_option_override): Use new variables and functions to set
        state of these options.  Use strcmp to check for individual CPU names.
        * config/mips/mips.h (MIPS_CPU_STRING_DEFAULT): Remove default
        definition.
        * config/mips/mips.opt (march=): Use ToLower and Enum.
        (mips): Use ToLower, Enum and Var.
        (mtune=): Use ToLower and Enum.
        * config/mips/t-mips ($(srcdir)/config/mips/mips-tables.opt): New.

2011-05-08  Jan Hubicka  <jh@suse.cz>

        * gimple.c (type_pair_hash, type_pair_eq, lookup_type_pair):
        Arrange type pairs to be UID ordered.
        (gimple_lookup_type_leader): Make inline.

2011-05-09  Nick Clifton  <nickc@redhat.com>

        PR target/48899
        * config/iq2000/iq2000.opt (iq2000_tune): Initialise to
        PROCESSOR_DEFAULT.

        PR target/48897
        * config/mn10300/mn10300.c (extract_bundle): Remove spurious local
        variable 's'.

2011-05-08  Chung-Lin Tang  <cltang@codesourcery.com>

        * combine.c (simplify_comparison): Abstract out parts into...
        (simplify_compare_const): ... new function.
        (try_combine): Generalize parallel arithmetic/compare combining
        to call simplify_compare_const() and CANONICALIZE_COMPARE().

2011-05-08  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_clone_node): Add call_duplication_hook parameter.
        (cgraph_create_virtual_clone): Call hooks once virtual clone
        is finished.
        * cgraph.h (cgraph_clone_node): Update prototype.
        * ipa-cp.c (ipcp_estimate_growth): Use
        estimate_ipcp_clone_size_and_time.
        * ipa-inline-transform.c (clone_inlined_nodes): Update.
        * lto-cgraph.c (input_node): Update.
        * ipa-inline.c (recursive_inlining): Update.
        * ipa-inline.h (estimate_ipcp_clone_size_and_time): New function.
        (evaluate_conditions_for_known_args): Break out from ...
        (evaluate_conditions_for_edge): ... here.
        (evaluate_conditions_for_ipcp_clone): New function.
        (inline_node_duplication_hook): Update clone summary based
        on parameter map.
        (estimate_callee_size_and_time): Rename to ...
        (estimate_node_size_and_time): take NODE instead of EDGE;
        take POSSIBLE_TRUTHS as argument.
        (estimate_callee_size_and_time): Update.
        (estimate_ipcp_clone_size_and_time): New function.
        (do_estimate_edge_time): Update.

2011-05-08  Richard Guenther  <rguenther@suse.de>

        PR middle-end/48908
        PR middle-end/48905
        * expmed.c (expand_shift_1): Compute adjusted constant shift
        amount manually.

2011-05-08  Eric Botcazou  <ebotcazou@adacore.com>

        * config/avr/avr.c (print_operand_address): Fix invalid RTL access.

2011-05-08  Eric Botcazou  <ebotcazou@adacore.com>

        * config/rs6000/rs6000.c (output_profile_hook): Fix thinko.

2011-05-08  Jonathan Wakely  <jwakely.gcc@gmail.com>

        * doc/invoke.texi (-fuse-linker-plugin): Improve grammar.

2011-05-07  Jan Hubicka  <jh@suse.cz>

        * ipa-inline-transform.c (inline_call): Account when program size
        decreases.
        * ipa-inline.c (relative_time_benefit): New function.
        (edge_badness): Reorganize to be power 2 based; fix thinko when
        computing badness for negative growth; update comments to match
        reality; better dumps.

2011-05-07  Eric Botcazou  <ebotcazou@adacore.com>

        * langhooks.h (lang_hooks_for_types): Change global_bindings_p's return
        type to bool and adjust comment.
        * fold-const.c (fold_range_test): Adjust call to global_bindings_p.
        (fold_mathfn_compare): Remove calls to global_bindings_p.
        (fold_inf_compare): Likewise.
        * stor-layout.c (variable_size): Adjust call to global_bindings_p.
        * c-tree.h (global_bindings_p): Adjust prototype.
        * c-decl.c (global_bindings_p): Return bool and simplify.

2011-05-07  Zdenek Dvorak  <ook@ucw.cz>

        PR tree-optimization/48837
        * tree-tailcall.c (tree_optimize_tail_calls_1): Do not mark tailcalls
        when accumulator transformation is performed.

2011-05-06  Jan Hubicka  <jh@suse.cz>

        * i386.h (ix86_tune_indices): Add
        X86_TUNE_SOFTWARE_PREFETCHING_BENEFICIAL.
        (TARGET_SOFTWARE_PREFETCHING_BENEFICIAL): New macro.
        * i386.c (initial_ix86_tune_features): Add
        X86_SOFTARE_PREFETCHING_BENEFICIAL.
        (software_prefetching_beneficial_p): Remove predicate.
        (ix86_option_override_internal): Use new macro.

2011-05-06  Jan Hubicka  <jh@suse.cz>

        * ipa-inline.c (update_callee_keys): Don't reset node growth cache.

2011-05-06  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_add_thunk): Create real function node instead
        of alias node; finalize it and mark needed/reachale; arrange visibility
        to be right and add it into the corresponding same comdat group list.
        (dump_cgraph_node): Dump thunks.
        * cgraph.h (cgraph_first_defined_function, cgraph_next_defined_function,
        cgraph_function_with_gimple_body_p,
        cgraph_first_function_with_gimple_body,
        cgraph_next_function_with_gimple_body): New functions.
        (FOR_EACH_FUNCTION_WITH_GIMPLE_BODY, FOR_EACH_DEFINED_FUNCTION):
        New macros.
        * ipa-cp.c (ipcp_need_redirect_p): Thunks can't be redirected.
        (ipcp_generate_summary): Use FOR_EACH_FUNCTION_WITH_GIMPLE_BODY.
        * cgraphunit.c (cgraph_finalize_function): Only look into possible
        devirtualization when optimizing.
        (verify_cgraph_node): Verify thunks.
        (cgraph_analyze_function): Analyze thunks.
        (cgraph_mark_functions_to_output): Output thunks only in combination
        with function they are assigned to.
        (assemble_thunk): Turn thunk into non-thunk; don't try to turn
        alias into normal node.
        (assemble_thunks): New functoin.
        (cgraph_expand_function): Use it.
        * lto-cgraph.c (lto_output_node): Stream thunks.
        (input_overwrite_node): Stream in thunks.
        * ipa-pure-const.c (analyze_function): Thunks do nothing interesting.
        * lto-streamer-out.c (lto_output): Do not try to output thunk's body.
        * ipa-inline.c (inline_small_functions): Use FOR_EACH_DEFINED_FUNCTION.
        * ipa-inline-analysis.c (compute_inline_parameters): "Analyze" thunks.
        (inline_analyze_function): Do not care about thunk jump functions.
        (inline_generate_summary):Use FOR_EACH_DEFINED_FUNCTION.
        * ipa-prop.c (ipa_prop_write_jump_functions): Use
        cgraph_function_with_gimple_body_p.
        * passes.c (do_per_function_toporder): Use
        cgraph_function_with_gimple_body_p.
        (execute_one_pass);Use FOR_EACH_FUNCTION_WITH_GIMPLE_BODY.
        (ipa_write_summaries): Use cgraph_function_with_gimple_body_p.
        (function_called_by_processed_nodes_p): Likewise.

2011-05-06  Joseph Myers  <joseph@codesourcery.com>

        * config/rs6000/rs6000.opt (rs6000_ieeequad, rs6000_altivec_abi,
        rs6000_spe_abi, rs6000_darwin64_abi): Remove TargetVariable
        entries.
        (mabi=): Replace with separate entries for mabi=altivec,
        mabi=no-altivec, mabi=spe, mabi=no-spe, mabi=d64, mabi=d32,
        mabi=ieeelongdouble and mabi=ibmlongdouble.
        * config/rs6000/rs6000.c (rs6000_option_override_internal): Move
        check for -mabi=spe without SPE ABI support here.
        (rs6000_handle_option): Replace OPT_mabi_ handling with
        OPT_mabi_altivec and OPT_mabi_spe handling.

2011-05-06  Cary Coutant  <ccoutant@google.com>

        * dwarf2out.c (contains_subprogram_definition): New function.
        (should_move_die_to_comdat): Call it.

2011-05-06  Jeff Law  <law@redhat.com>

        * tree-ssa-threadupdate.c (create_block_for_threading): Do not call
        remove_ctrl_stmt_and_useless_edges.
        (create_duplicates): Call remove_ctrl_stmt_and_useless_edges.
        (fixup_template_block, thread_single_edge): Likewise.
        (mark_threaded_blocks): Use THREAD_TARGET.

2011-05-06  Alan Modra  <amodra@gmail.com>

        PR target/48900
        * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Use
        const0_rtx as the arg to the dummy __tls_get_addr libcall.

2011-05-06  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*movdf_internal_nointeger): Apply "*"
        constraint modifier to "r".

2011-05-06  Joseph Myers  <joseph@codesourcery.com>

        * config/rs6000/rs6000.c (rs6000_handle_option): Don't handle and
        fall through for OPT_mcmodel_.

2011-05-06  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.c (s390_asm_trampoline_template): Comment
        instruction sizes.
        (s390_trampoline_init): Replace UNITS_PER_WORD with UNITS_PER_LONG.

2011-05-06  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

        PR target/47930
        * config/arm/arm.opt (marm): Document it.
        (mthumb): Reject negative variant.

2011-05-06  Uros Bizjak  <ubizjak@gmail.com>

        PR target/48898
        * config/i386/netware.c (i386_nlm_maybe_mangle_decl_assembler_name):
        Fix typo in "ccvt" variable name.

2011-05-06  Tristan Gingold  <gingold@adacore.com>

        PR target/48895
        * config/vms/vms-ar.c (main): Remove cwd variable.

2011-05-06  Jakub Jelinek  <jakub@redhat.com>

        PR debug/48902
        * var-tracking.c (prepare_call_arguments): Move else before #endif.

2011-05-05  Nathan Froyd  <froydnj@codesourcery.com>

        * except.c (sjlj_emit_dispatch_table): Call build_case_label.
        * gimplify.c (gimplify_switch_expr): Likewise.
        * omp-low.c (expand_omp_sections): Likewise.
        * tree-eh.c (lower_try_finally_switch): Likewise.
        (lower_eh_dispatch): Likewise.
        * tree.h (build_case_label): Declare.
        * tree.c (build_case_label): Define.

2011-05-05  Jason Merrill  <jason@redhat.com>

        PR c++/40975
        * tree-inline.c (copy_tree_r): Use copy_statement_list.
        (copy_statement_list): Don't recurse.
        * stor-layout.c (copy_self_referential_tree_r): Don't allow
        STATEMENT_LIST.

2011-05-05  Joseph Myers  <joseph@codesourcery.com>

        * config/rs6000/rs6000.c (rs6000_handle_option): Don't fall
        through from -mfpu= handling.
        * config/rs6000/rs6000.opt (mfpu=): Use Var and Init.

2011-05-05  Bernd Schmidt  <bernds@codesourcery.com>

        * dwarf2out.c (dwarf2out_frame_debug_expr) [rule 10]: Handle
        POST_MODIFY.

2011-05-05  Steve Ellcey  <sje@cup.hp.com>

        * config.gcc (hppa*64*-*-hpux11*): Modify tm_file and extra_options
        for 11.31.
        (hppa[12]*-*-hpux11*): Ditto.
        (ia64*-*-hpux*): Add ia64/hpux-unix2003.h to tm_file.
        * config/ia64/hpux-unix2003.h: New.
        * config/pa/pa-hpux1131.opt: New.
        * config/pa/pa-hpux1131.h: New.
        * config/pa/pa64-hpux.h (STARTFILE_SPEC): Use unix2003.o if requested.
        * config/pa/pa-hpux.opt (flag_pa_unix): Check TARGET_HPUX_11_31 value.
        * config/pa/pa.h (TARGET_HPUX_11_31): Provide default (0) value.

2011-05-05  Jakub Jelinek  <jakub@redhat.com>

        PR debug/48853
        * dwarf2out.c (mem_loc_descriptor) <case SUBREG>: Pass mem_mode
        instead of mode as 3rd argument to recursive call.
        (mem_loc_descriptor) <case REG>: If POINTERS_EXTEND_UNSIGNED, don't
        emit DW_OP_GNU_regval_type if mode is Pmode and mem_mode is not
        VOIDmode.
        (mem_loc_descriptor) <case SYMBOL_REF>: If POINTERS_EXTEND_UNSIGNED,
        don't give up if mode is Pmode and mem_mode is not VOIDmode.
        (mem_loc_descriptor) <case CONST_INT>: If POINTERS_EXTEND_UNSIGNED,
        use int_loc_descriptor if mode is Pmode and mem_mode is not VOIDmode.

2011-05-05  Julian Brown  <julian@codesourcery.com>

        * config/arm/neon.md (vec_set<mode>_internal): Fix misplaced
        parenthesis in D-register case.

2011-05-05  Joseph Myers  <joseph@codesourcery.com>

        * opt-functions.awk (var_type_struct): Handle Enum options.
        * optc-gen.awk: Don't check range of variables of character type.
        * config/rs6000/rs6000.c (rs6000_sched_insert_nops_str,
        rs6000_sched_costly_dep_str, rs6000_recip_name, rs6000_abi_name,
        rs6000_sdata_name, rs6000_explicit_options): Remove.
        (rs6000_option_override_internal): Check for -malign-power here.
        Use global_options_set instead of rs6000_explicit_options.
        (rs6000_parse_fpu_option): Remove.
        (rs6000_handle_option): Access variables via opts and opts_set
        pointers.  Use error_at and warning_at.  Add fall-through
        comments.  Don't handle OPT_mcmodel_, OPT_maix_struct_return,
        OPT_msvr4_struct_return, OPT_mvrsave, OPT_mspe, OPT_mcall_,
        OPT_msdata_, OPT_mtls_size_, OPT_mtraceback_, OPT_mfloat_gprs_,
        OPT_msched_costly_dep_, OPT_malign_ or OPT_mrecip_ explicitly
        here.  Don't use rs6000_parse_fpu_option.
        * config/rs6000/rs6000.h (fpu_type): Remove declaration.
        * config/rs6000/rs6000.opt (rs6000_long_double_type_size,
        rs6000_spe, rs6000_float_gprs): Remove TargetVariable entries.
        (mrecip=): Use Var.
        (mspe): Use Var and Save.
        (mtraceback=): Use Enum and Var.
        (rs6000_traceback_type): New Enum and EnumValue entries.
        (mfloat-gprs=): Use Enum, Var and Save.
        (rs6000_float_gprs): New Enum and EnumValue entries.
        (mlong-double-): use Var and Save.
        (msched-costly-dep=, minsert-sched-nops=): Use Var.
        (malign-): Use Enum and Var.
        (rs6000_alignment_flags): New Enum and EnumValue entries.
        (mfpu=): Use Enum.
        (fpu_type_t): New Enum and EnumValue entries.
        * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): Use
        global_options_set instead of rs6000_explicit_options.
        * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Use
        global_options_set instead of rs6000_explicit_options.
        * config/rs6000/aix53.h (SUBTARGET_OVERRIDE_OPTIONS): Use
        global_options_set instead of rs6000_explicit_options.
        * config/rs6000/aix61.h (SUBTARGET_OVERRIDE_OPTIONS): Use
        global_options_set instead of rs6000_explicit_options.
        * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Use
        global_options_set instead of rs6000_explicit_options.
        * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use
        global_options_set instead of rs6000_explicit_options.
        (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Remove commented-out
        definition.
        * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use
        global_options_set instead of rs6000_explicit_options.
        * config/rs6000/linux64.opt (mcmodel=): Use Enum and Var.
        (rs6000_cmodel): New Enum and EnumValue entries.
        * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use
        global_options_set instead of rs6000_explicit_options.
        * config/rs6000/sysv4.opt (mcall-, msdata=): Use Var.
        (mtls-size=): Use Enum and Var.
        (rs6000_tls_size): New Enum and EnumValue entries.

2011-05-05  Michael Matz  <matz@suse.de>

        * config/alpha/elf.h (ENDFILE_SPEC): Add Ofast.
        * config/alpha/osf5.h (ENDFILE_SPEC): Add Ofast.
        * config/alpha/netbsd.h (ENDFILE_SPEC): Add Ofast.
        * config/sparc/linux.h (ENDFILE_SPEC): Add Ofast.
        * config/sparc/sp64-elf.h (ENDFILE_SPEC): Add Ofast.
        * config/sparc/sp-elf.h (ENDFILE_SPEC): Add Ofast.
        * config/sparc/linux64.h (ENDFILE_SPEC): Add Ofast.
        * config/sparc/freebsd.h (ENDFILE_SPEC): Add Ofast.
        * config/sparc/sol2.h (ENDFILE_SPEC): Add Ofast.
        * config/i386/cygwin.h (ENDFILE_SPEC): Add Ofast.
        * config/i386/gnu-user.h (ENDFILE_SPEC): Add Ofast.
        * config/i386/gnu-user64.h (ENDFILE_SPEC): Add Ofast.
        * config/i386/darwin.h (ENDFILE_SPEC): Add Ofast.
        * config/i386/mingw32.h (ENDFILE_SPEC): Add Ofast.
        * config/ia64/linux.h (ENDFILE_SPEC): Add Ofast.
        * config/mips/linux.h (ENDFILE_SPEC): Add Ofast.

2011-05-05  Richard Guenther  <rguenther@suse.de>

        * expmed.c (expand_variable_shift): Rename to ...
        (expand_shift_1): ... this.  Take an expanded shift amount.
        For rotates recurse directly not building trees for the shift amount.
        (expand_variable_shift): Wrap around expand_shift_1.
        (expand_shift): Adjust.

2011-05-05  Jakub Jelinek  <jakub@redhat.com>

        * gimplify.c (create_tmp_var_raw): Don't call build_type_variant.

2011-05-05  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.h (get_pending_sizes): Remove prototype.
        (put_pending_size): Likewise.
        (put_pending_sizes): Likewise.
        * stor-layout.c (pending_sizes): Delete.
        (get_pending_sizes): Likewise.
        (put_pending_size): Likewise.
        (put_pending_sizes): Likewise.
        (variable_size): Do not call put_pending_size and tidy up.
        * function.h (struct function): Remove dont_save_pending_sizes_p.
        * lto-streamer-in.c (input_function): Do not stream it.
        * lto-streamer-out.c (output_function): Likewise.
        * tree-inline.c (initialize_cfun): Do not copy it.
        * c-decl.c (store_parm_decls): Do not set it.
        * omp-low.c (create_task_copyfn): Likewise.
        * tree-optimize.c (tree_rest_of_compilation): Likewise.

2011-05-05  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*movdf_internal_rex64): Simplify nested "if"
        conditions.
        (*movdf_internal): Ditto.
        (*movdf_internal_nointeger): Ditto.
        (*movsf_internal): Ditto.

2011-05-05  Joseph Myers  <joseph@codesourcery.com>

        * c-decl.c (finish_decl): Don't call get_pending_sizes.
        (grokparm): Add parameter expr.  Pass it to grokdeclarator.
        (push_parm_decl): Add parameter expr.  Pass it to grokdeclarator.
        (c_variable_size): Remove.
        (grokdeclarator): Use save_expr instead of c_variable_size.  Don't
        call put_pending_sizes.
        (get_parm_info): Add parameter expr.  Use it to set
        arg_info->pending_sizes.
        (store_parm_decls): Use arg_info->pending_sizes instead or calling
        get_pending_sizes.
        * c-parser.c (c_parser_parms_declarator): Update call to
        c_parser_parms_list_declarator.
        (c_parser_parms_list_declarator): Take parameter expr.  Update
        call to push_parm_decl.  Update recursive call.  Don't call
        get_pending_sizes.  Update calls to get_parm_info.
        (c_parser_objc_method_definition): Update calls to
        c_parser_objc_method_decl and objc_start_method_definition.
        (c_parser_objc_methodproto): Update call to c_parser_objc_method_decl.
        (c_parser_objc_method_decl): Add parameter expr.  Update call to
        grokparm.
        (c_parser_objc_try_catch_finally_statement): Update call to grokparm.
        * c-tree.h (struct c_arg_info.pending_sizes): Change to a tree.
        (get_parm_info, grokparm, push_parm_decl): Update prototypes.

2011-05-05  Michael Hope  <michael.hope@linaro.org>

        PR pch/45979
        * config/host-linux.c (TRY_EMPTY_VM_SPACE): Define for
        __ARM_EABI__ hosts.

2011-05-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
        (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Likewise.
        (spu_output_mi_thunk): New function.

2011-05-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/sparc/sol2.h (ASM_OUTPUT_CALL): Use
        targetm.asm_out.print_operand.
        * config/sol2.c: Include target.h.

2011-05-04  Jan Hubicka  <jh@suse.cz>

        * ipa-inline.c (reset_edge_caches): New function.
        (update_caller_keys): Add check_inlinablity_for; do not
        reset edge caches; remove now unnecesary loop.
        (update_callee_keys): Add comments; reset node_growth_cache of callee.
        (update_all_callee_keys): Likewise.
        (inline_small_functions): Sanity check cache; update code
        recomputing it.

2011-05-04  Bernd Schmidt  <bernds@codesourcery.com>

        PR rtl-optimization/47612
        * df-problems.c (can_move_insns_across): Don't pick a cc0 setter
        as the last insn of the sequence to be moved.

2011-05-04  Tobias Burnus  <burnus@net-b.de>

        PR fortran/48864
        * doc/invoke.texi (Ofast): Document that it
        enables Fortran's -fno-protect-parens.

2011-05-04  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_reorg): Run move_or_delete_vzeroupper first.

2011-05-04  Eric Botcazou  <ebotcazou@adacore.com>

        * stor-layout.c (variable_size): Do not issue errors.

2011-05-04  Richard Guenther  <rguenther@suse.de>

        * coverage.c (tree_coverage_counter_ref): Use integer_type_node
        for array-ref indices.
        (tree_coverage_counter_addr): Likewise.
        (build_fn_info_type): Use size_int for index types.
        (build_gcov_info): Likewise.

2011-05-04  Richard Guenther  <rguenther@suse.de>

        * c-decl.c (check_bitfield_type_and_width): Do not pass NULL
        to build_int_cst.
        * c-typeck.c (really_start_incremental_init): Use bitsize_int
        for constructor indices.
        (push_init_level): Likewise.

2011-05-04  Richard Guenther  <rguenther@suse.de>

        * explow.c (promote_mode): Move variable declarations before code.

2011-05-04  Nathan Froyd  <froydnj@codesourcery.com>

        * tree.h (build_function_type_array): Declare.
        (build_varargs_function_type_array): Declare.
        (build_function_type_vec, build_varargs_function_type_vec): Define.
        * tree.c (build_function_type_array_1): New function.
        (build_function_type_array): New function.
        (build_varargs_function_type_array): New function.

2011-05-04  Richard Sandiford  <richard.sandiford@linaro.org>

        * tree-vect-loop.c (vectorizable_reduction): Check reduction cost
        before setting STMT_VINFO_TYPE.

2011-05-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.c (spu_gimplify_va_arg_expr): Call pass_by_reference
        instead of spu_pass_by_reference.

2011-05-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * calls.c (emit_library_call_value_1): Invoke
        promote_function_mode hook on libcall arguments.
        * explow.c (promote_function_mode, promote_mode): Handle TYPE
        argument being NULL.
        * targhooks.c (default_promote_function_mode): Lisewise.
        * config/s390/s390.c (s390_promote_function_mode): Likewise.
        * config/sparc/sparc.c (sparc_promote_function_mode): Likewise.

        * doc/tm.texi: Document that TYPE argument might be NULL.

2011-05-04  Stuart Henderson  <shenders@gcc.gnu.org>

        * config/bfin/bfin.c (bfin_cpus): Update silicon revisions.

2011-05-04  Stuart Henderson  <shenders@gcc.gnu.org>

        From Bernd Schmidt
        * config/bfin/bfin.md (addsi3): Add an alternative for IREGS.

2011-05-04  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/alpha/alpha.h (CODE_MASK, MIPS_IS_STAB, MIPS_MARK_STAB)
        (MIPS_UNMARK_STAB, SHASH_SIZE, THASH_SIZE, ALIGN_SYMTABLE_OFFSET):
        Move ...
        * mips-tfile.c: ... here.
        Don't include coretypes.h, tm.h, filenames.h.
        (saber_stop): Remove definition and all calls.
        [__SABER__]: Remove.
        (__LINE__): Remove default.
        (Size_t, Ptrdiff_t): Remove definitions.
        Replace by size_t, ptrdiff_t.
        [!MIPS_DEBUGGING_INFO]: Remove.
        (SHASH_SIZE, THASH_SIZE): Remove defaults.
        (progname): Add const.
        (STATIC): Remove.
        Replace all uses by static.
        (ALIGN_SYMTABLE_OFFSET): Remove default.
        * mips-tdump.c: Don't include coretypes.h, tm.h.
        Remove !MIPS_IS_STAB guard.
        * Makefile.in (mips-tfile.o): Remove $(RTL_H), coretypes.h,
        $(TM_H), filenames.h dependencies.
        (mips-tdump.o): Remove $(RTL_H), coretypes.h, $(TM_H) dependencies.

2011-05-04  Stuart Henderson  <shenders@gcc.gnu.org>

        From Jie Zhang
        *config/bfin/bfin.c (bfin_extra_live_on_entry): New.
        (TARGET_EXTRA_LIVE_ON_ENTRY): Define.

2011-05-04  Stuart Henderson  <shenders@gcc.gnu.org>

        From Bernd Schmidt
        * config/bfin/bfin.h (FUNCTION_PROFILER): Take TARGET_LONG_CALLS into
        account and save/restore RETS.
        (PROFILE_BEFORE_PROLOGUE): Define.
        (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add tab character.  Correct
        the push insn to use predecrement.

2011-05-04  Stuart Henderson  <shenders@gcc.gnu.org>

        From Jie Zhang
        * config/bfin/bfin.c (bfin_expand_prologue): Don't clobber P2.

2011-05-04  Nick Clifton  <nickc@redhat.com>

        * config/mn10300/mn10300.c: Include cfgloop.h.
        (DUMP): New macro.
        (mn10300_insert_setlb_lcc): New function.  Inserts a SETLB and a
        Lcc or a FLcc insn into the instruction stream.
        (mn10300_block_contains_call): New function.  Returns true if the
        given basic block contains a CALL insn.
        (mn10300_loop_contains_call_insn): New function.  Returns true if
        the given loop contains a CALL insn.
        (mn10300_scan_for_setlb_lcc): New function.  Finds opportunities
        to use the SETLB and Lcc or FLcc insns.
        (mn10300_reorg): Invoke mn10300_scan_for_setlb_lcc when optimizing.
        (TARGET_FLAGS): Add MASK_ALLOW_SETLB.
        * config/mn10300/mn10300.opt (msetlb): New option.  Used to
        disable the SETLB optimization.
        * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
        __SETLB__ or __NO_SETLB__.
        * config/mn10300/mn10300.md (UNSPEC_SETLB): New constant.
        (movsf_internal): Handle MDR register.
        (cmpsi): Make visible.
        (setlb): New pattern.
        (Lcc): New pattern.
        (FLcc): New pattern.

2011-05-04  Uros Bizjak  <ubizjak@gmail.com>

        PR target/48860
        * config/i386/i386.md (*movdi_internal_rex64) Use %vmovd
        for reg<->xmm moves.
        * config/i386/sse.md (*vec_concatv2di_rex64_sse4_1): Ditto.
        (vec_concatv2di_rex64_sse): Ditto.
        (*sse2_storeq_rex64): Do not emit %v prefix for mov{q} mnemonic.
        (*vec_extractv2di_1_rex64): Ditto.

        Revert:
        2011-05-02  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/mmx.md (*mov<mode>_internal_rex64): Use %vmovq for
        reg<->xmm moves.
        (*movv2sf_internal_rex64): Use %vmovq for reg<->xmm moves.

2011-05-04  Richard Guenther  <rguenther@suse.de>

        * tree.h (int_const_binop): Remove notrunc argument.
        * fold-const.c (int_const_binop): Remove notrunc argument.  Always
        create integer constants that are properly truncated.
        (extract_muldiv_1): Expand one notrunc int_const_binop caller.
        (const_binop): Remove zero notrunc argument to int_const_binop.
        (size_binop_loc): Likewise.
        (fold_div_compare): Likewise.
        (maybe_canonicalize_comparison_1): Likewise.
        (fold_comparison): Likewise.
        (fold_binary_loc): Likewise.
        (multiple_of_p): Likewise.
        * expr.c (store_constructor): Likewise.
        * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
        (maybe_fold_stmt_addition): Likewise.
        * ipa-prop.c (ipa_modify_call_arguments): Likewise.
        * stor-layout.c (layout_type): Likewise.
        * tree-data-ref.c (tree_fold_divides_p): Likewise.
        * tree-sra.c (build_ref_for_offset): Likewise.
        (build_user_friendly_ref_for_offset): Likewise.
        * tree-ssa-address.c (maybe_fold_tmr): Likewise.
        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
        * tree-ssa-loop-niter.c (inverse): Likewise.
        * tree-ssa-pre.c (create_component_ref_by_pieces_1): Likewise.
        * tree-ssa.c (maybe_rewrite_mem_ref_base): Likewise.
        * tree-switch-conversion.c (check_range): Likewise.
        (build_constructors): Likewise.
        * tree-vect-generic.c (expand_vector_piecewise): Likewise.
        * tree-vrp.c (set_and_canonicalize_value_range): Likewise.
        (extract_range_from_assert): Likewise.
        (vrp_int_const_binop): Likewise.
        (extract_range_from_binary_expr): Likewise.
        (extract_range_from_unary_expr): Likewise.
        (check_array_ref): Likewise.
        (find_case_label_range): Likewise.
        (simplify_div_or_mod_using_ranges): Likewise.
        * tree-cfg.c (group_case_labels_stmt): Use double-ints for
        comparing case labels for merging.

2011-05-03  Mark Wielaard  <mjw@redhat.com>

        * dwarf2out.c (debug_str_hash_forced): Removed.
        (gen_label_for_indirect_string): Removed.
        (get_debug_string_label): Removed.
        (AT_string_form): Generate label directly.
        (output_indirect_string): Test indirect_string_node for
        DW_FORM_strp instead of checking label and refcount.
        (prune_indirect_string): Removed.
        (prune_unused_types): Don't check debug_str_hash_forced or
        call prune_indirect_string.

2011-05-04  Alexandre Oliva  <aoliva@redhat.com>

        PR other/48093
        * doc/invoke.texi: Document -mtls-dialect and GCC_COMPARE_DEBUG.

2011-05-04  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/47994
        PR debug/47919
        * combine.c (try_combine): Skip debug insns at m_split tests.

2011-04-26  Mark Wielaard  <mjw@redhat.com>

        PR42288
        * dwarf2out.c (dwarf2out_finish): Always call output_aranges ()
        when info_section_emitted.

2011-05-03  Joseph Myers  <joseph@codesourcery.com>

        * config/mips/mips-opts.h: New.
        * config/mips/mips.c (enum mips_r10k_cache_barrier_setting): Move
        to mips-opts.h.
        (mips_abi, mips_code_readable, mips_r10k_cache_barriee): Remove.
        (mips_handle_option): Don't handle OPT_mabi_, OPT_mcode_readable_
        or OPT_mr10k_cache_barrier_ here.  Access mips_cache_flush_func
        via opts pointer.
        * config/mips/mips.h (enum mips_code_readable_setting): Move to
        mips-opts.h.
        (mips_abi, mips_code_readable): Don't declare.
        * config/mips/mips.opt (config/mips/mips-opts.h): New HeaderInclude.
        (mabi=): Use Enum and Var.
        (mips_abi): New Enum and EnumValue entries.
        (mcode-readable=): Use Enum and Var.
        (mips_code_readable_setting): New Enum and EnumValue entries.
        (mr10k-cache-barrier=): Use Enum and Var.
        (mips_r10k_cache_barrier_setting): New Enum and EnumValue entries.

2011-05-03  Jan Hubicka  <jh@suse.cz>

        * cgraph.h (cgraph_node_set_def, varpool_node_set_def): Move out of GTY;
        replace hash by pointer map.
        (cgraph_node_set_element_def, cgraph_node_set_element,
        const_cgraph_node_set_element, varpool_node_set_element_def,
        varpool_node_set_element, const_varpool_node_set_element): Remove.
        (free_cgraph_node_set, free_varpool_node_set): New function.
        (cgraph_node_set_size, varpool_node_set_size): Use vector size.
        * tree-emutls.c: Free varpool node set.
        * ipa-utils.c (cgraph_node_set_new, cgraph_node_set_add,
        cgraph_node_set_remove, cgraph_node_set_find, dump_cgraph_node_set,
        debug_cgraph_node_set, free_cgraph_node_set, varpool_node_set_new,
        varpool_node_set_add, varpool_node_set_remove, varpool_node_set_find,
        dump_varpool_node_set, free_varpool_node_set, debug_varpool_node_set):
        Move here from ipa.c; implement using pointer_map
        * ipa.c (cgraph_node_set_new, cgraph_node_set_add,
        cgraph_node_set_remove, cgraph_node_set_find, dump_cgraph_node_set,
        debug_cgraph_node_set, varpool_node_set_new,
        varpool_node_set_add, varpool_node_set_remove, varpool_node_set_find,
        dump_varpool_node_set, debug_varpool_node_set):
        Move to ipa-uitls.c.
        * passes.c (ipa_write_summaries): Update.

2011-05-03  Stuart Henderson  <shenders@gcc.gnu.org>

        From Mike Frysinger:
        * config/bfin/bfin.c (bfin_cpus[]): Add 0.4 for
        bf542/bf544/bf547/bf548/bf549.

2011-05-03  Uros Bizjak  <ubizjak@gmail.com>

        * expmed.c (extract_bit_field_1): Remove write-only variable "icode".

2011-05-03  Stuart Henderson  <shenders@gcc.gnu.org>

        From Bernd Schmidt:
        * config/bfin/bfin.md (MOVCC): New mode_macro.
        (mov<mode>cc_insn1, mov<mode>cc_insn2, mov<mode>cc): Renamed from
        movsicc_insn1, movsicc_insn2 and movsicc and macroized.  Remove
        comments from generated assembly.

2011-05-03  Stuart Henderson  <shenders@gcc.gnu.org>

        From Bernd Schmidt
        * config/bfin/t-bfin (LIB1ASMFUNCS): Add muldi3 and umulsi3_highpart.
        * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add muldi3.
        * config/bfin/t-bfin-linux (LIB1ASMFUNCS): Add muldi3.
        * config/bfin/t-bfin-uclinux (LIB1ASMFUNCS): Add muldi3.
        * config/bfin/lib1funcs.asm (___muldi3): New function.

2011-05-03  Nathan Froyd  <froydnj@codesourcery.com>

        * config/stormy16/stormy16 (xstormy16_init_builtins): Call
        build_function_type_list instead of build_function_type.
        Rearrange initialization of `args' to do so.

2011-05-03  Nathan Froyd  <froydnj@codesourcery.com>

        * config/i386/i386.c (ix86_code_end): Call build_function_type_list
        instead of build_function_type.

2011-05-03  Nathan Froyd  <froydnj@codesourcery.com>

        * config/rs6000/rs6000.c (spe_init_builtins): Call
        build_function_type_list instead of build_function_type.
        (paired_init_builtins, altivec_init_builtins): Likewise.
        (builtin_function_type): Likewise.

2011-05-03  Nathan Froyd  <froydnj@codesourcery.com>

        * config/sh/sh.c (sh_media_init_builtins): Call
        build_function_type_list instead of build_function_type.

2011-05-03  Nathan Froyd  <froydnj@codesourcery.com>

        * config/sparc/sparc.c (sparc_file_end): Call
        build_function_type_list instead of build_function_type.

2011-05-03  Nathan Froyd  <froydnj@codesourcery.com>

        * config/alpha/alpha.c (alpha_init_builtins): Call
        build_function_type_list instead of build_function_type.

2011-05-03  Nathan Froyd  <froydnj@codesourcery.com>

        * config/xtensa/xtensa.c (xtensa_init_builtins): Call
        build_function_type_list instead of build_function_type.

2011-05-03  Nathan Froyd  <froydnj@codesourcery.com>

        * config/iq2000/i2000.c (iq2000_init_builtins): Call
        build_function_type_list instead of build_function_type.
        Delete `endlink' variable.

2011-05-03  Nathan Froyd  <froydnj@codesourcery.com>

        * config/avr/avr.c (avr_init_builtins): Call
        build_function_type_list instead of build_function_type.

2011-05-03  Nathan Froyd  <froydnj@codesourcery.com>

        * config/picochip/picochip.c (picochip_init_builtins): Call
        build_function_type_list instead of build_function_type.
        Delete `endlink' variable.

2011-05-03  Nathan Froyd  <froydnj@codesourcery.com>

        * config/bfin/bfin.c (bfin_init_builtins): Call
        build_function_type_list instead of build_function_type.

2011-05-03  Stuart Henderson  <shenders@gcc.gnu.org>

        From Bernd Schmidt
        * config/bfin/bfin.md (rotrsi, rotlsi): Don't take INTVAL of anything
        that's not CONST_INT.  Seemingly redundant check is due to PR39768.

2011-05-03  Stuart Henderson  <shenders@gcc.gnu.org>

        From Jie Zhang:
        * config/bfin/uclinux.h (LINK_GCC_C_SEQUENCE_SPEC): Make sure
        libbffastfp overrides libgcc when -mfast-fp.

2011-05-03  Stuart Henderson  <shenders@gcc.gnu.org>

        Originally from Bernd Schmidt
        * config/bfin/uclinux.h (SUBTARGET_FDPIC_NOT_SUPPORTED): New macro.
        * config/bfin/bfin.c (override_options): Test it and error if
        TARGET_FDPIC.

2011-05-03  Stuart Henderson  <shenders@gcc.gnu.org>

        Originally From Bernd Schmidt
        * config/bfin/bfin.c (override_options): Disable -fstack-limit for
        FD-PIC.

2011-05-03  Jeff Law  <law@redhat.com>

        * tree-ssa-threadupdate.c (THREAD_TARGET): define.
        (remove_ctrl_stmt_and_useless_edges): Clear AUX field of outgoing edges.
        (craete_edge_and_update_destination_phis): Use THREAD_TARGET rather
        than accessing AUX field directly.  Free the AUX field before
        clearing it.
        (thread_block, thread_through_loop_header): Likewise.
        (thread_single_edge, mark_threaded_blocks): Likewise.
        (redirect_edges): Delay clearing the AUX field.  Free the AUX field.
        (register_jump_thread): Do not attempt to thread to a NULL edge.

2011-05-03  Bernd Schmidt  <bernds@codesourcery.com>

        * function.c (init_function_start): Call decide_function_section.
        * varasm.c (decide_function_section): New function.
        (assemble_start_function): When not using
        flag_reorder_blocks_and_partition, don't compute in_cold_section_p
        or first_function_block_is_cold.
        * rtl.h (decide_function_section): Declare.

2011-05-03  Uros Bizjak  <ubizjak@gmail.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR target/48774
        * config/i386/i386.c (ix86_match_ccmode): For CC{A,C,O,S}mode
        only succeed if req_mode is the same as set_mode.

2011-05-03  Bernd Schmidt  <bernds@codesourcery.com>

        * gengenrtl.c (special_rtx): PC, CC0 and RETURN are special.
        * genemit.c (gen_exp): Handle RETURN.
        * emit-rtl.c (verify_rtx_sharing): Likewise.
        (init_emit_regs): Create pc_rtx, ret_rtx and cc0_rtx specially.
        * rtl.c (copy_rtx): RETURN is shared.
        * rtl.h (enum global_rtl_index): Add GR_RETURN.
        (ret_rtx): New.
        * jump.c (redirect_exp_1): Don't use gen_rtx_RETURN.
        * config/s390/s390.c (s390_emit_epilogue): Likewise.
        * config/rx/rx.c (gen_rx_rtsd_vector): Likewise.
        * config/cris/cris.c (cris_expand_return): Likewise.
        * config/m68k/m68k.c (m68k_expand_epilogue): Likewise.
        * config/rs6000/rs6000.c (rs6000_make_savres_rtx,
        rs6000_emit_epilogue, rs6000_output_mi_thunk): Likewise.
        * config/picochip/picochip.c (picochip_expand_epilogue): Likewise.
        * config/h8300/h8300.c (h8300_push_pop, h8300_expand_epilogue):
        Likewise.
        * config/v850/v850.c (expand_epilogue): Likewise.
        * config/bfin/bfin.c (bfin_expand_call): Likewise.
        * config/arm/arm.md (epilogue): Likewise.
        * config/mn10300/mn10300.c (mn10300_expand_epilogue): Likewise.
        * config/sparc/sparc.c (sparc_struct_value_rtx): Rename ret_rtx
        variable to ret_reg.

2011-05-03  Richard Guenther  <rguenther@suse.de>

        PR lto/48846
        * lto-streamer-in.c (unpack_ts_decl_common_value_fields):
        Stream decl_common.off_align instead of the derived DECL_OFFSET_ALIGN.
        * lto-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.

2011-05-03  Richard Guenther  <rguenther@suse.de>

        * c-decl.c (grokdeclarator): Instead of looking at
        TREE_OVERFLOW check if the constant fits in the index type.

2011-05-03  Richard Sandiford  <richard.sandiford@linaro.org>

        * config/arm/neon.md (vec_load_lanes<mode><mode>): New expanders,
        (vec_store_lanes<mode><mode>): Likewise.

2011-05-03  Richard Sandiford  <richard.sandiford@linaro.org>

        * doc/md.texi (vec_load_lanes, vec_store_lanes): Document.
        * optabs.h (COI_vec_load_lanes, COI_vec_store_lanes): New
        convert_optab_index values.
        (vec_load_lanes_optab, vec_store_lanes_optab): New convert optabs.
        * genopinit.c (optabs): Initialize the new optabs.
        * internal-fn.def (LOAD_LANES, STORE_LANES): New internal functions.
        * internal-fn.c (get_multi_vector_move, expand_LOAD_LANES)
        (expand_STORE_LANES): New functions.
        * tree.h (build_array_type_nelts): Declare.
        * tree.c (build_array_type_nelts): New function.
        * tree-vectorizer.h (vect_model_store_cost): Add a bool argument.
        (vect_model_load_cost): Likewise.
        (vect_store_lanes_supported, vect_load_lanes_supported)
        (vect_record_strided_load_vectors): Declare.
        * tree-vect-data-refs.c (vect_lanes_optab_supported_p)
        (vect_store_lanes_supported, vect_load_lanes_supported): New functions.
        (vect_transform_strided_load): Split out statement recording into...
        (vect_record_strided_load_vectors): ...this new function.
        * tree-vect-stmts.c (create_vector_array, read_vector_array)
        (write_vector_array, create_array_ref): New functions.
        (vect_model_store_cost): Add store_lanes_p argument.
        (vect_model_load_cost): Add load_lanes_p argument.
        (vectorizable_store): Try to use store-lanes functions for
        interleaved stores.
        (vectorizable_load): Likewise load-lanes and loads.
        * tree-vect-slp.c (vect_get_and_check_slp_defs): Update call
        to vect_model_store_cost.
        (vect_build_slp_tree): Likewise vect_model_load_cost.

2011-05-03  Richard Sandiford  <richard.sandiford@linaro.org>

        * hooks.h (hook_bool_mode_uhwi_false): Declare.
        * hooks.c (hook_bool_mode_uhwi_false): New function.
        * target.def (array_mode_supported_p): New hook.
        * doc/tm.texi.in (TARGET_ARRAY_MODE_SUPPORTED_P): Add @hook.
        * doc/tm.texi: Regenerate.
        * stor-layout.c (mode_for_array): New function.
        (layout_type): Use it.
        * config/arm/arm.c (arm_array_mode_supported_p): New function.
        (TARGET_ARRAY_MODE_SUPPORTED_P): Define.

2011-05-03  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/48723
        * config/i386/i386.c (ix86_expand_prologue): Do not probe the stack
        for -fstack-check if the size to allocate is negative.

2011-05-02  Lawrence Crowl  <crowl@google.com>

        * timevar.h (timevar_cond_start): Remove unused POP_TIMEVAR_AND_RETURN.
        (timevar_cond_start): New for starting a timer only when it is not
        already running.
        (timevar_cond_stop): New for stopping a timer when it was not already
        running.

        * timevar.c (timevar_stop): Enable start/stop timers to start again.
        (timevar_cond_start): New as above.
        (timevar_cond_stop): New as above.

        * timevar.def: Add start/stop timers for compiler phases,
        TV_PHASE_SETUP, TV_PHASE_PARSING, TV_PHASE_DEFERRED, TV_PHASE_CGRAPH,
        TV_PHASE_DBGINFO (C), TV_PHASE_CHECK_DBGINFO (C++), TV_PHASE_GENERATE,
        and TV_PHASE_FINALIZE.
        Change push/pop timer TV_PARSE to TV_PARSE_GLOBAL.
        Add push/pop timers TV_PARSE_STRUCT, TV_PARSE_ENUM, TV_PARSE_FUNC,
        TV_PARSE_INLINE, TV_PARSE_INMETH, TV_TEMPLATE_INST.
        Change push/pop timer TV_NAME_LOOKUP into a start/stop timer.
        Make unused TV_OVERLOAD into a start/stop timer.

        Remove unused timers TV_OVERLOAD, TV_TEMPLATE_INSTANTIATION.
        Mark the strings for TV_NAME_LOOKUP and TV_OVERLOAD with a "|"
        to indicate that they are start/stop timers.

        * toplev.c (compile_file): Change TV_PARSE to TV_PARSE_GLOBAL.
        Add start/stop timers TV_PHASE_PARSING and TV_PHASE_GENERATE.
        Move initialization to do_compile.
        (do_compile): Add initialization from above.
        Add start/stop timers TV_PHASE_SETUP and TV_PHASE_FINALIZE.

        * c-decl.c (c_write_global_declarations): Add start/stop of
        TV_PHASE_DEFERRED, TV_PHASE_CGRAPH, TV_PHASE_DBGINFO.

        * c-parser.c (c_parser_declaration_or_fndef): Push/pop TV_PARSE_FUNC
        or TV_PARSE_INLINE, as appropriate.
        (c_parser_enum_specifier): Push/pop TV_PARSE_ENUM.
        (c_parser_struct_or_union_specifier): Push/pop TV_PARSE_STRUCT.

2011-05-02  Jason Merrill  <jason@redhat.com>

        PR c++/40975
        * tree-inline.c (copy_tree_r): Handle STATEMENT_LIST.

2011-05-02  Simon Martin  <simartin@users.sourceforge.net>

        PR c/35445
        * c-decl.c (finish_decl): Only create a composite if the types are
        compatible.

2011-05-02  Joseph Myers  <joseph@codesourcery.com>

        * config/fr30/fr30-protos.h (Mmode): Don't define.
        * config/m32r/m32r-protos.h (Mmode): Don't define.  Expand
        definition where used.
        * config/mn10300/mn10300-protos.h (Mmode, Cstar, Rclas): Don't
        define.  Expand definitions where used.
        * config/rx/rx-protos.h (Mmode, Fargs, Rcode): Don't define.
        Expand definitions where used.
        * config/rx/rx.c (rx_is_legitimate_address, rx_function_arg_size,
        rx_function_arg, rx_function_arg_advance,
        rx_function_arg_boundary): Expand definitions of those macros.
        * config/v850/v850-protos.h (Mmode): Don't define.  Expand
        definition where used.

2011-05-02  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/mmx.md (*mov<mode>_internal_rex64): Use %vmovq for
        reg<->xmm moves.
        (*mov<mode>_internal): Merge with *mov<mode>_internal_avx.
        (*movv2sf_internal_rex64): Use %vmovq for reg<->xmm moves.  Merge
        with *movv2sf_internal_rex64_avx.
        (*movv2sf_internal): Merge with *movv2sf_internal_avx.
        * config/i386/i386.md (*movdi_internal_rex64) <TYPE_SSEMOV>:
        Use %v prefix in insn mnemonic to handle TARGET_AVX.
        (*movdi_internal): Add "isa" attribute.  Use "maybe_vex" instead of
        "vex" in "prefix" attribute calculation.
        (*movdf_internal): Output AVX mnemonics.  Add "prefix" attribute.

2011-05-02  Stuart Henderson  <shenders@gcc.gnu.org>

        PR target/47951
        * config/bfin/bfin.md (loop_end): Use matching constraints to ensure
        inputs match the output.

2011-05-02  Andreas Schwab  <schwab@linux-m68k.org>

        PR target/47955
        * config/m68k/m68k.c (m68k_expand_prologue): Set
        current_function_static_stack_size.

2011-05-02   Jan Hubicka  <jh@suse.cz>

        * lto-streamer.c (lto_streamer_cache_insert_1,
        lto_streamer_cache_lookup, lto_streamer_cache_create,
        lto_streamer_cache_delete): Use pointer map instead of hashtable.
        * lto-streamer.h (lto_streamer_cache_d): Turn node_map into pointer_map.

2011-05-02  Joseph Myers  <joseph@codesourcery.com>

        * config/m68k/genopt.sh, config/m68k/m68k-isas.def,
        config/m68k/m68k-microarchs.def, config/m68k/m68k-opts.h,
        config/m68k/t-opts: New files.
        * config/m68k/m68k-tables.opt: New file (generated).
        * config.gcc (fido-*-*, m68k-*-*): Add m68k/m68k-tables.opt to
        extra_options and m68k/t-opts to tmake_file.
        * config/m68k/m68k.c (m68k_library_id_string): More to m68k.opt.
        (all_isas): Initialize using m68k-isas.def.
        (all_microarchs): Initialize using m68k-microarchs.def.
        (m68k_find_selection): Remove.
        (m68k_handle_option): Don't assert that global structures are in
        use.  Use error_at.  Access variables via opts pointer.  Don't
        handle -march=, -mcpu= and -mtune= here.  Set gcc_options fields
        directly for -m68020-40 and -m68020-60.
        (m68k_option_override): Set m68k_arch_entry, m68k_cpu_entry and
        m68k_tune_entry here.
        * config/m68k/m68k.h (enum uarch_type, enum target_device): Move
        to m68k-opts.h.
        (m68k_library_id_string): Remove declaration.
        * config/m68k/m68k.opt (config/m68k/m68k-opts.h): New HeaderInclude.
        (m68k_library_id_string): New Variable.
        (march=, mcpu=, mtune=): Use Enum and Var.

2011-05-02  Richard Guenther  <rguenther@suse.de>

        * varasm.c (output_constructor_regular_field): Compute zero-based
        index with double-ints.  Make sure to ICE instead of producing
        wrong code.
        * cgraph.c (cgraph_add_thunk): Do not create new tree nodes
        in asserts.  Properly use a signed type.

2011-05-02  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (V): New mode iterator.
        (V_128): Rename from SSEMODE.  Make V2DF mode conditional on
        TARGET_SSE2.
        (V_256): Rename from AVX256MODE.
        (VF): Make V4SF mode unconditional.  Add TARGET_SSE instruction
        condition to all users.
        (VF1): Ditto.
        (VF2): Make V2DF mode unconditional.  Add TARGET_SSE2 instruction
        condition to all users.
        (VF_128): Make V4SF mode unconditional.
        (VF_256): Rename from AVX256MODEF2P.
        (VI4F_128): Rename from SSEMODE4S.
        (VI8F_128): Rename from SSEMODE2D.
        (VI4F_256): Rename from AVX256MODE8P.
        (VI8F_256): Rename from AVX256MODE4P.
        (avxsizesuffix): Add V16HI, V4DI, V8HI and V2DI modes.
        (ssescalarmodesuffix): Remove SF and DF modes.
        (SSEMODE124): Remove.
        (SSEMODE1248): Ditto.
        (SSEMODEF2P): Ditto.
        (AVXMODEF2P): Ditto.
        (AVXMODEFDP): Ditto.
        (AVXMODEFSP): Ditto.
        (VEC_EXTRACT_MODE): Make V16QI, V8HI, V4SI, V2DI, V4SF and V2DF modes
        unconditional.
        (VEC_EXTRACT_EVENODD_MODE): Rename from SSEMODE_EO.  Make V4SF mode
        unconditional.
        (xop_pcmov_<mode><avxsizesuffix>): Merge from xop_pcmov_<mode> and
        xop_pcmov_<mode>256.  Use V mode iterator.

        Adjust RTX patterns globally for renamed mode attributes.

2011-05-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * haifa-sched.c (sched_emit_insn): Emit insn before first
        non-scheduled insn.  Inform back-end about new insn.  Add
        new insn to scheduled_insns list.

2011-05-02  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/48822
        * tree-ssa-sccvn.c (set_ssa_val_to): Never go up the lattice.
        (process_scc): Indicate which iteration we start.

2011-05-02  Jan Hubicka  <jh@suse.cz>

        * lto-section-in.c (lto_input_1_unsigned): Move to lto-streamer.h
        (lto_section_overrun): New.
        * lto-section-out.c (append_block): Rename to ...
        (lto_append_block): ... this one; export.
        (lto_output_1_stream): Move lto lto-streamer.h
        (lto_output_data_stream): Update.
        * lto-streamer.h (lto_section_overrun, lto_append_block): Declare.
        (lto_output_1_stream, lto_input_1_unsigned): Turn into inline
        functions.

2011-05-02  Richard Guenther  <rguenther@suse.de>

        * tree.c (tree_code_counts): New global array.
        (record_node_allocation_statistics): Count individual tree codes.
        (dump_tree_statistics): Dump individual code stats.

2011-05-01  Jan Hubicka  <jh@suse.cz>

        * ipa-inline.c (caller_growth_limits): Fix thinko when
        looking for largest stack frame.
        * ipa-inline.h (dump_inline_summary): Declare.
        * ipa-inline-analysis.c (dump_inline_edge_summary): Dump info
        on stack usage.
        (dump_inline_summary): Export.
        (debug_inline_summary): Declare as DEBUG_FUNCTION.

2011-05-01  Anatoly Sokolov  <aesok@post.ru>

        * reginfo.c (memory_move_cost): Change rclass argument type form
        'enum reg_class' to reg_class_t.
        * reload.h (memory_move_cost): Update prototype.
        * postreload.c reload_cse_simplify_set): Change type dclass var to
        reg_class_t.
        * ira-int.h (ira_allocate_cost_vector, ira_free_cost_vector):
        Update prototype.
        (ira_allocate_and_set_costs): Change aclass argument type form
        'enum reg_class' to reg_class_t.
        * ira-build.c (ira_allocate_cost_vector, ira_free_cost_vector):
        Change aclass argument type to reg_class_t.
        (update_conflict_hard_reg_costs): Change type aclass and pref vars
        to reg_class_t.
        * gcc/ira.c (setup_class_subset_and_memory_move_costs): Adjust
        memory_move_cost call.

        * config/ia64/ia64.c (ia64_register_move_cost): Remove 'from' and
        'to' local var. Rename from_i and to_i arguments to 'from' and 'to'.
        Change type tmp var to reg_class_t.

2011-04-30  Jan Hubicka  <jh@suse.cz>

        * ipa-inline.c (can_inline_edge_p): Disregard limits when
        inlining into function with flatten attribute.
        (want_inline_small_function_p): Be more realistic about inlining
        cold calls where callee size grows.

2011-04-30  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_create_virtual_clone): Clear constructor/destructor
        flags.

2011-04-30  Anatoly Sokolov  <aesok@post.ru>

        * config/sparc/sparc.h (PRINT_OPERAND, PRINT_OPERAND_ADDRESS,
        PRINT_OPERAND_PUNCT_VALID_P): Remove.
        * config/sparc/sparc-protos.h (print_operand): Remove declaration.
        * config/sparc/sparc.c (TARGET_PRINT_OPERAND_PUNCT_VALID_P,
        TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS): Define.
        (print_operand): Rename to...
        (sparc_print_operand): ...this. Make static. Adjust
        sparc_print_operand function call.
        (sparc_print_operand_punct_valid_p, sparc_print_operand_address): New
        functions.

2011-04-30  Jan Hubicka  <jh@suse.cz>

        PR middle-end/48752
        * ipa-inline.c (early_inliner): Disable when doing late
        addition of function.

2011-04-30  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (get_address_mode): New inline.
        (mem_loc_descriptor): Add MEM_MODE parameter, adjust recursive calls,
        if not dwarf_strict emit
        DW_OP_GNU_{{const,regval,deref}_type,convert,reinterpret} when
        desirable.  Handle FLOAT_EXTEND, FLOAT_TRUNCATE, FLOAT,
        UNSIGNED_FLOAT, FIX and UNSIGNED_FIX.  Just return NULL for
        FMA, STRICT_LOW_PART, CONST_VECTOR and CONST_FIXED.
        (dwarf2out_frame_debug_cfa_expression, reg_loc_descriptor,
        dw_loc_list_1, cst_pool_loc_descr, loc_list_from_tree): Adjust
        mem_loc_descriptor callers.
        (dwarf_stack_op_name, size_of_loc_descr, output_loc_operands,
        output_loc_operands_raw, hash_loc_operands, compare_loc_operands):
        Handle DW_OP_GNU_const_type, DW_OP_GNU_regval_type,
        DW_OP_GNU_deref_type, DW_OP_GNU_convert and DW_OP_GNU_reinterpret.
        (base_types): New variable.
        (get_base_type_offset, calc_base_type_die_sizes,
        base_type_for_mode, mark_base_types, base_type_cmp,
        move_marked_base_types): New functions.
        (calc_die_sizes): Assert that die_offset is 0 or equal to
        next_die_offset.
        (loc_descriptor): Only handle here lowpart SUBREGs of REG, for
        others defer to mem_loc_descriptor.  Adjust mem_loc_descriptor
        callers.  If not dwarf_strict, call mem_loc_descriptor even for
        non-MODE_INT modes or MODE_INT modes larger than DWARF2_ADDR_SIZE.
        (gen_subprogram_die): Don't give up on call site parameters
        with non-integral or large integral modes.  Adjust
        mem_loc_descriptor callers.
        (prune_unused_types): Call prune_unused_types_mark on base_types
        vector entries.
        (resolve_addr): Call mark_base_types.
        (dwarf2out_finish): Call move_marked_base_types.

        PR tree-optimization/48809
        * tree-switch-conversion.c (build_arrays): Compute tidx in unsigned
        type.
        (gen_inbound_check): Don't compute index_expr - range_min in utype
        again, instead reuse SSA_NAME initialized in build_arrays.
        Remove two useless gsi_for_stmt calls.

2011-04-29  Jeff Law  <law@redhat.com>

        * tree-ssa-threadedge.c (thread_across_edge): Add missing return.

2011-04-29  Martin Jambor  <mjambor@suse.cz>

        * cgraph.h (cgraph_postorder): Remove declaration.
        * ipa-utils.h (ipa_free_postorder_info): Declare.
        (ipa_reverse_postorder): Likewise.
        * cgraphunit.c: Include ipa-utils.h.
        (cgraph_expand_all_functions): Update call to ipa_reverse_postorder.
        * ipa-inline.c: Include ipa-utils.h.
        (ipa_inline): Update call to ipa_reverse_postorder.
        * ipa-pure-const.c (propagate_pure_const): Update call to
        ipa_reduced_postorder and ipa_print_order.  Call
        ipa_free_postorder_info to clean up.
        (propagate_nothrow): Likewise.
        * ipa-reference.c (propagate): Removed a useless call to
        ipa_utils_reduced_inorder, updated a call to ipa_reduced_postorder
        and ipa_print_order.  Call ipa_free_postorder_info to clean up.
        * ipa.c: Include ipa-utils.h.
        (ipa_profile): Update call to ipa_reverse_postorder.
        (cgraph_postorder): Moved to...
        * ipa-utils.c (ipa_reverse_postorder): ...here and renamed.
        (ipa_utils_print_order): Renamed to ipa_print_order.
        (ipa_utils_reduced_inorder): Renamed to ipa_reduced_postorder. Updated
        comments.
        (ipa_free_postorder_info): New function.
        * passes.c: Include ipa-utils.h.
        (do_per_function_toporder): Update call to ipa_reverse_postorder.
        (ipa_write_summaries): Likewise.
        * Makefile.in (passes.o): Add IPA_UTILS_H to dependencies.
        (cgraphunit.o): Likewise.
        (ipa.o): Likewise.
        (ipa-inline.o): Likewise.

2011-04-29  Jan Hubicka  <jh@suse.cz>

        * gcc.dg/tree-ssa/inline-10.c: New testcase.
        * gcc.dg/tree-ssa/inline-9.c: Disable partial inlining.
        * ipa-inline.h (clause_t): Turn into unsigned int.
        * ipa-inline-analysis.c (add_clause): Do more simplification.
        (and_predicates): Shortcut more cases.
        (predicates_equal_p): Move forward; check that clauses are properly
        ordered.
        (or_predicates): Shortcut more cases.
        (edge_execution_predicate): Rewrite as...
        (set_cond_stmt_execution_predicate): ... this function; handle
        __builtin_constant_p.
        (set_switch_stmt_execution_predicate): New .
        (compute_bb_predicates): New.
        (will_be_nonconstant_predicate): Update TODO.
        (estimate_function_body_sizes): Use compute_bb_predicates
        and free them later, always try to estimate if stmt is constant.
        (estimate_time_after_inlining, estimate_size_after_inlining):
        Gracefully handle optimized out edges.
        (read_predicate): Fix off by one error.

2011-04-29  Nicola Pero  <nicola.pero@meta-innovation.com>

        * Makefile.in (ENABLE_MAINTAINER_RULES): New.

2011-04-27  Xinliang David Li  <davidxl@google.com>

        * tree-profile.c (init_ic_make_global_vars): Set
        tls attribute on ic vars.
        * coverage.c (coverage_end_function): Initialize
        function_list with zero.

2011-04-29  Richard Guenther  <rguenther@suse.de>

        * builtins.c (fold_builtin_classify_type): Use integer_type_node
        for the type of the result.
        (fold_builtin_isascii): Likewise.
        (fold_builtin_toascii): Use integer_type_node where appropriate.
        (fold_builtin_logb): Likewise.
        (fold_builtin_frexp): Likewise.
        (fold_builtin_strstr): Likewise.
        (fold_builtin_strpbrk): Likewise.
        (fold_builtin_fputs): Likewise.
        (fold_builtin_sprintf): Likewise.
        (fold_builtin_snprintf): Likewise.
        (fold_builtin_printf): Likewise.
        (do_mpfr_remquo): Use a proper type for the assigned constant.
        (do_mpfr_lgamma_r): Likewise.
        * dwarf2out.c (resolve_one_addr): Use size_int.
        * except.c (init_eh): Likewise.
        (assign_filter_values): Use integer_type_node for filter values.
        (sjlj_emit_dispatch_table): Use integer_type_node for dispatch
        indices.
        * tree-cfg.c (move_stmt_eh_region_tree_nr): Use integer_type_node
        for EH region numbers.
        * tree-vrp.c (simplify_div_or_mod_using_ranges): Use integer_type_node
        for the shift amount.

2011-04-29  Richard Guenther  <rguenther@suse.de>

        * expr.h (expand_shift): Rename to ...
        (expand_variable_shift): ... this.
        (expand_shift): Take a constant shift amount.
        * expmed.c (expand_shift): Rename to ...
        (expand_variable_shift): ... this.
        (expand_shift): New wrapper around expand_variable_shift.
        * expr.c (convert_move, emit_group_load_1, emit_group_store,
        optimize_bitfield_assignment_op, store_field, expand_expr_real_2,
        expand_expr_real_1, reduce_to_bit_field_precision): Adjust.
        * expmed.c (store_fixed_bit_field, extract_bit_field_1,
        extract_fixed_bit_field, extract_split_bit_field, expand_mult_const,
        expand_mult, expand_widening_mult, expand_mult_highpart_adjust,
        extract_high_half, expand_sdiv_pow2, expand_divmod, emit_cstore,
        emit_store_flag_1, emit_store_flag): Likewise.
        * builtins.c (expand_builtin_signbit): Likewise.
        * calls.c (load_register_parameters): Likewise.
        * function.c (assign_parm_setup_block): Likewise.
        * lower-subreg.c (resolve_shift_zext): Likewise.
        * optabs.c (widen_bswap, expand_abs_nojump,
        expand_one_cmpl_abs_nojump, expand_float): Likewise.
        * spu/spu.c (spu_expand_extv): Likewise.
        * sparc/sparc.c (sparc32_initialize_trampoline): Likewise.

2011-04-29  Richard Guenther  <rguenther@suse.de>

        * tree-inline.c (remap_eh_region_tree_nr): Use integer_type_node
        for the remapped region number.
        * predict.c (build_predict_expr): Use integer_type_node for the
        predict kind.
        * fold-const.c (fold_binary_loc): Use integer_type_node for
        the shift amount.  Use a proper type for the PLUS_EXPR operand.

2011-04-29  Michael Matz  <matz@suse.de>

        * lto-streamer.c (lto_streamer_cache_insert_1): Accept to override
        other trees that just builtins.
        (lto_record_common_node): Don't leave NULL TYPE_CANONICAL.

2011-04-29  Richard Guenther  <rguenther@suse.de>

        * tree-nested.c (get_trampoline_type): Use size_int.
        (get_nl_goto_field): Likewise.
        * tree-eh.c (lower_try_finally_switch): Use integer_type_node
        for all indexes.
        (lower_eh_constructs_2): Likewise.
        (lower_resx): Likewise.
        (lower_eh_dispatch): Likewise.
        * tree-mudflap.c (mf_build_string): Use size_int.
        (mudflap_register_call): Use integer_type_node for the flag.
        (mudflap_enqueue_constant): Use size_int.
        * tree-chrec.c (reset_evolution_in_loop): Copy CHREC_VAR
        instead of rebuilding it.

2011-04-29  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (get_fi_for_callee): Restructure.
        Handle OBJ_TYPE_REF.
        (find_func_aliases_for_call): Use it more consistently.

2011-04-29  Alexandre Oliva  <aoliva@redhat.com>

        * haifa-sched.c (last_nondebug_scheduled_insn): New.
        (rank_for_schedule): Use it.
        (schedule_block): Set it.

2011-04-28  David Li  <davidxl@google.com>

        * tree.c (crc32_string): Use crc32_byte.
        (crc32_byte): New function.
        * tree.h (crc32_byte): New function.
        * gcov.c (read_graph_file): Handle new cfg_cksum.
        (read_count_file): Ditto.
        * profile.c (instrument_values): Ditto.
        (get_exec_counts): Ditto.
        (read_profile_edge_counts): Ditto.
        (compute_branch_probabilities): Ditto.
        (compute_value_histograms): Ditto.
        (branch_prob): Ditto.
        (end_branch_prob): Ditto.
        * coverage.c (read_counts_file): Ditto.
        (get_coverage_counts): Ditto.
        (tree_coverage_counter_addr): Ditto.
        (coverage_checksum_string): Ditto.
        (coverage_begin_output): Ditto.
        (coverage_end_function): Ditto.
        (build_fn_info_type): Ditto.
        (build_fn_info_value): Ditto.
        * libgcov.c (gcov_exit): Ditto.
        * gcov-dump.c (tag_function): Ditto.
        (compute_checksum): Remove.

2011-04-29  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
        unspec plus offset.  Tidy macho code.

2011-04-29  Martin Jambor  <mjambor@suse.cz>

        * cgraphunit.c (cgraph_preserve_function_body_p): Accept a cgraph
        node instead of a decl.  Update all callers.
        * cgraph.h: Update declaration.

2011-04-28  Ira Rosen  <ira.rosen@linaro.org>

        PR tree-optimization/48765
        * tree-vectorizer.h (vect_make_slp_decision): Return bool.
        * tree-vect-loop.c (vect_analyze_loop_operations): Add new argument
        to indicate if loop aware SLP is being used.  Scan the statements
        and update the vectorization factor according to the type of
        vectorization before statement analysis.
        (vect_analyze_loop_2): Get a return value from vect_make_slp_decision,
        pass it to vect_analyze_loop_operations.
        (vectorizable_reduction): Set number of copies to 1 in case of pure
        SLP statement.
        * tree-vect-stmts.c (vectorizable_conversion,
        vectorizable_assignment, vectorizable_shift,
        vectorizable_operation, vectorizable_type_demotion,
        vectorizable_type_promotion, vectorizable_store, vectorizable_load):
        Likewise.
        (vectorizable_condition): Move the check that it is not SLP
        vectorization before the number of copies check.
        * tree-vect-slp.c (vect_make_slp_decision): Return TRUE if decided
        to vectorize the loop using SLP.

2011-04-28  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/48597
        * final.c (final_scan_insn): Call dwarf2out_frame_debug even for
        inline asm.

2011-04-28  Joseph Myers  <joseph@codesourcery.com>

        * config.gcc (*-*-kfreebsd*-gnu | *-*-knetbsd*-gnu | *-*-gnu* |
        *-*-kopensolaris*-gnu): Don't define SINGLE_LIBC.
        (i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu |
        i[34567]86-*-gnu* | i[34567]86-*-kopensolaris*-gnu,
        x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu): Don't use
        linux*.h headers.
        * config/gnu-user.h (TARGET_C99_FUNCTIONS, TARGET_HAS_SINCOS): Define.
        * config/i386/gnu.h (MD_UNWIND_SUPPORT): Don't undefine.
        * config/i386/kfreebsd-gnu.h (MD_UNWIND_SUPPORT): Don't undefine.
        * config/i386/knetbsd-gnu.h (MD_UNWIND_SUPPORT): Don't undefine.
        * config/i386/kopensolaris-gnu.h (MD_UNWIND_SUPPORT): Don't undefine.
        * config/i386/linux-unwind.h (x86_fallback_frame_state): Don't use
        REG_NAME.
        * config/i386/linux.h (REG_NAME): Don't define.
        * config/i386/linux64.h (REG_NAME): Don't define.
        * config/linux.h (TARGET_C99_FUNCTIONS, TARGET_HAS_SINCOS):
        Undefine before defining.

2011-04-28  Jan Hubicka  <jh@suse.cz>

        * ipa-inline-analysis.c (will_be_nonconstant_predicate): Take
        nonconstant_names array.
        (estimate_function_body_sizes): Build nonconstant_names array; handle
        BUILT_IN_CONSTANT_P.

2011-04-28  Richard Guenther  <rguenther@suse.de>

        PR bootstrap/48804
        Revert
        2011-04-28  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (solve_constraints): Build succ graph
        as late as possible.

2011-04-28  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (dump_constraint): Don't end the line.
        (debug_constraint): Do it here.
        (dump_constraints): And here.
        (rewrite_constraints): And here.
        (dump_constraint_edge): Remove.
        (dump_constraint_graph): Rewrite to produce DOT output.
        (solve_constraints): Build succ graph as late as possible.
        Dump constraint graphs before and after solving.

2011-04-28  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
        New function split out from ...
        (find_func_aliases): ... here.  Call it.
        (find_func_aliases_for_call): Likewise.

2011-04-27  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * internal-fn.h (internal_fn_name_array): Declare.
        (internal_fn_flags_array): Likewise.

2011-04-27  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (ssemodesuffix):  Merge with ssevecsize,
        ssemodefsuffix, ssescalarmodesuffix and avxmodesuffixp.
        Move from sse.md.
        (ssemodefsuffix): Remove.
        (ssevecmodesuffix): New mode attribute.
        (fix_trunc<mode>di_sse, fix_trunc<mode>si_sse,
        *float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit,
        *float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit,
        *float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit,
        *float<SSEMODEI24:mode><MODEF:mode>2_sse_nointerunit, setcc_<mode>_sse,
        *sqrt<mode>2_sse, sse4_1_round<mode>2, <smaxmin:code><mode>3,
        *ieee_smin<mode>3, *ieee_smax<mode>3): Adjust assembler templates for
        ssemodesuffix mode attribute.
        (float splitters): Use ssevecmodesuffix mode attribute.
        * config/i386/sse.md (ssescalarmode): Merge with avxscalarmode.
        (sseinsmode): Rename from avxvecmode.
        (avxsizesuffix): Rename from avxmodesuffix.
        (sseintvecmode): Rename from avxpermvecmode.
        (ssedoublevecmode): Rename from ssedoublesizemode.
        (ssehalfvecmode): Rename from avxhalfvecmode.
        (ssescalarmode): Rename from avxscalarmode.
        (<sse>_comi, <sse>_ucomi, sse4a_movnt<mode>): Adjust assembler
        templates for ssemodesuffix mode attribute.
        (*andnot<mode>3, *<any_logic:code><mode>3): Use ssevecmodesuffix
        mode attribute.

        Adjust RTX patterns globally for renamed mode attributes.

2011-04-27  Jan Hubcika  <jh@suse.cz>

        * ipa-inline.h (struct inline_edge_summary): Add predicate pointer.
        * ipa-inline-analysis.c: Include alloc-pool.h.
        (edge_predicate_pool): New.
        (trye_predicate_p): New function
        (false_predicate_p): New function.
        (add_clause): Sanity check that false clauses are "optimized";
        never add clauses to predicate that is already known to be false.
        (and_predicate): Use flase_predicate_p.
        (evaulate_predicate): Rename to ...
        (evaluate_predicate): ... this one; update all callers; assert
        that false is not listed among possible truths.
        (dump_predicate): Use true_predicate_p.
        (account_size_time): Use false_predicate_p.
        (evaulate_conditions_for_edge): Rename to ...
        (evaluate_conditions_for_edge) ... this one.
        (edge_set_predicate): New function.
        (inline_edge_duplication_hook): Duplicate edge predicates.
        (inline_edge_removal_hook): Free edge predicates.
        (dump_inline_edge_summary): Add INFO parameter; dump edge predicates.
        (dump_inline_summary): Update.
        (estimate_function_body_sizes): Set edge predicates.
        (estimate_calls_size_and_time): Handle predicates.
        (estimate_callee_size_and_time): Update.
        (remap_predicate): Add toplev_predicate; update comment.
        (remap_edge_predicates): New function.
        (inline_merge_summary): Compute toplev predicate; update.
        (read_predicate): New function.
        (read_inline_edge_summary): Use it.
        (inline_read_section): Likewise.
        (write_predicate): New function.
        (write_inline_edge_summary): Use it.
        (inline_write_summary): Likewise.
        (inline_free_summary): Free alloc pool and edge summary vec.

2011-04-27  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (changed_count): Remove.
        (changed): Use a bitmap.
        (unify_nodes): Adjust.
        (do_sd_constraint): Likewise.
        (do_ds_constraint): Likewise.
        (do_complex_constraint): Likewise.
        (solve_graph): Likewise.

2011-04-27  Jan Hubicka  <jh@suse.cz>

        * cgraphunit.c (cgraph_process_new_functions): Fix ordering issue.

2011-04-27  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/predicates.md (avx_vpermilp_*_operand): Remove.
        (avx_vperm2f128_*_operand): Ditto.
        * config/i386/sse.md (*avx_vpermilp<mode>): Remove operand2 predicate.
        Use avx_vpermilp_parallel in insn condition.
        (*avx_vperm2f128<mode>_nozero): Remove operand3 predicate.
        Use avx_vperm2f128_parallel in insn condition.

2011-04-27  Richard Guenther  <rguenther@suse.de>

        * Makefile.in (tree-ssa-structalias.o): Remove
        gt-tree-ssa-structalias.h dependency.
        (GTFILES): Remove tree-ssa-structalias.c.
        * tree.c (allocate_decl_uid): New function.
        (make_node_stat): Use it.
        (copy_node_stat): Likewise.
        * tree.h (allocate_decl_uid): Declare.
        * tree-ssa-alias.h (delete_alias_heapvars): Remove.
        * tree-ssa.c (delete_tree_ssa): Do not call delete_alias_heapvars.
        * tree-flow.h (struct var_ann_d): Remove is_heapvar flag.
        * tree-ssa-live.c (remove_unused_locals): Do not check is_heapvar flag.
        * tree-ssa-structalias.c (heapvar_for_stmt): Remove.
        (struct heapvar_map): Likewise.
        (heapvar_map_eq, heapvar_map_hash, heapvar_lookup,
        heapvar_insert): Likewise.
        (make_heapvar_for): Rename to ...
        (make_heapvar): ... this.  Simplify.
        (fake_var_decl_obstack): New global var.
        (build_fake_var_decl): New function.
        (make_constraint_from_heapvar): Adjust.
        (handle_lhs_call): Likewise.
        (create_function_info_for): Likewise.
        (intra_create_variable_infos): Likewise.
        (init_alias_vars): Allocate fake_var_decl_obstack.
        (init_alias_heapvars, delete_alias_heapvars): Remove.
        (compute_points_to_sets): Do not call init_alias_heapvars.
        (ipa_pta_execute): Likewise.
        (delete_points_to_sets): Free fake_var_decl_obstack.

2011-04-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/divmovti4.c (union qword_UTItype): New data type.
        (si_from_UTItype, si_to_UTItype): New functions.
        (__udivmodti4): Use them to implement type-punning.
        * config/spu/multi3.c (union qword_TItype): New data type.
        (si_from_TItype, si_to_TItype): New functions.
        (__multi3): Use them to implement type-punning.

2011-04-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.c (spu_expand_epilogue): Do not emit barrier.

2011-04-27  Jan Hubicka  <jh@suse.cz>

        * ipa-prop.c (function_insertion_hook_holder): New holder.
        (ipa_add_new_function): New function.
        (ipa_register_cgraph_hooks, ipa_unregister_cgraph_hooks):
        Register/deregister holder.

2011-04-27  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/48772
        * tree-ssa-pre.c (eliminate): Update call stmts after elimination only.

2011-04-27  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-alias.c (indirect_refs_may_alias_p): Fix
        TARGET_MEM_REF handling.

2011-04-27  Nick Clifton  <nickc@redhat.com>

        * config/frv/frv.h (enum reg_class): Delete EVEN_ACC_REGS,
        ACC_REGS, FEVEN_REGS, FPR_REGS, EVEN_REGS.
        (REG_CLASS_NAMES): Likewise.
        (REG_CLASS_CONTENTS): Likewise.
        (EVEN_ACC_REGS): New macro.  Alias for QUAD_ACC_REGS.
        (ACC_REGS): New macro.  Alias for QUAD_ACC_REGS.
        (FEVEN_REGS): New macro.  Alias for QUAD_ACC_REGS.
        (FPR_REGS): New macro.  Alias for QUAD_ACC_REGS.
        (EVEN_REGS): New macro.  Alias for QUAD_REGS.
        * config/frv/frv.c (frv_secondary_reload_class): Remove use of
        duplicate register classes.
        (frv_class_likely_spilled_p): Likewise.
        (frv_register_move_cost): Likewise.

        * config/mcore/mcore.h (REGNO_REG_CLASS): Do not index beyond the
        end of the regno_reg_class array.

2011-04-27  Jakub Jelinek  <jakub@redhat.com>

        PR c/48742
        * c-typeck.c (build_binary_op): Don't wrap arguments if
        int_operands is true.

2011-04-26  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/48767
        * config/sh/sh.c (sh_gimplify_va_arg_expr): Don't call
        targetm.calls.must_pass_in_stack for void type.

2011-04-26  Jan Hubicka  <jh@suse.cz>

        * cgraphbuild.c (build_cgraph_edges): Update call
        of cgraph_create_edge and cgraph_create_indirect_edge.
        * cgraph.c (cgraph_create_edge_including_clones,
        cgraph_create_edge_1, cgraph_allocate_init_indirect_info,
        cgraph_update_edges_for_call_stmt_node): Do not take nest
        argument; do not initialize call_stmt_size/time.
        (dump_cgraph_node): Do not dump nest.
        (cgraph_clone_edge): Do not take loop_nest argument;
        do not propagate it; do not clone call_stmt_size/time.
        (cgraph_clone_node): Likewise.
        (cgraph_create_virtual_clone): Update.
        * cgraph.h (struct cgraph_edge): Remove
        call_stmt_size/call_stmt_time/loop_nest.
        (cgraph_create_edge, cgraph_create_indirect_edge,
        cgraph_create_edge_including_clones, cgraph_clone_node): Update
        prototype.
        * tree-emutls.c (gen_emutls_addr): Update.
        * ipa-inline-transform.c (update_noncloned_frequencies): Do not handle
        loop_nest; handle indirect calls, too.
        (clone_inlined_nodes): Do not care about updating inline summaries.
        * cgraphunit.c (cgraph_copy_node_for_versioning): Update.
        * lto-cgraph.c (lto_output_edge, input_node, input_edge): Do not
        stream call_stmt_size/call_stmt_time/loop_nest.
        * ipa-inline.c (edge_badness): Update.
        (ipa_inline): dump summaries after inlining.
        * ipa-inline.h (struct inline_edge_summary, inline_edge_summary_t):
        New.
        (inline_edge_summary): New function.
        * ipa-inline-analysis.c (edge_duplication_hook_holder): New holder.
        (inline_edge_removal_hook): Handle edge summaries.
        (inline_edge_duplication_hook): New hook.
        (inline_summary_alloc): Alloc hooks.
        (initialize_growth_caches): Do not register removal hooks.
        (free_growth_caches); Do not free removal hook.
        (dump_inline_edge_summary): New function.
        (dump_inline_summary): Use it.
        (estimate_function_body_sizes, estimate_edge_size_and_time): Update.
        (inline_update_callee_summaries): New function.
        (inline_merge_summary): Use it.
        (do_estimate_edge_time, do_estimate_edge_growth): Update.
        (read_inline_edge_summary): New function.
        (inline_read_section): Use it.
        (write_inline_edge_summary): New function.
        (inline_write_summary): Use it.
        (inline_free_summary): Free edge new holders.
        * tree-inline.c (copy_bb): Update.

2011-04-26  Jason Merrill  <jason@redhat.com>

        * tree-eh.c (lower_try_finally_switch): Create the label along with
        the CASE_LABEL_EXPR.

2011-04-26  David S. Miller  <davem@davemloft.net>
            Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac (gcc_cv_as_sparc_gotdata_op): Specify alignment.
        * configure: Regenerate.

2011-04-26  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/48258
        * config/rs6000/vector.md (UNSPEC_REDUC): New unspec for vector
        reduction.
        (VEC_reduc): New code iterator and splitters for vector reduction.
        (VEC_reduc_name): Ditto.
        (VEC_reduc_rtx): Ditto.
        (reduc_<VEC_reduc_name>_v2df): Vector reduction expanders for VSX.
        (reduc_<VEC_reduc_name>_v4sf): Ditto.

        * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
        support for extracting SF on VSX.

        * config/rs6000/vsx.md (vsx_xscvspdp_scalar2): New insn for
        generating xscvspdp.
        (vsx_extract_v4sf): New insn to extract SF from V4SF vector.
        (vsx_reduc_<VEC_reduc_name>_v2df): New insns and splitters for
        double add, minimum, maximum vector reduction.
        (vsx_reduc_<VEC_reduc_name>_v4sf): Ditto.
        (vsx_reduc_<VEC_reduc_name>_v2df2_scalar): New combiner insn to
        optimize double vector reduction.
        (vsx_reduc_<VEC_reduc_name>_v4sf_scalar): Ditto.

2011-04-26  Joseph Myers  <joseph@codesourcery.com>

        * config/fr30/fr30.h (inhibit_libc): Don't define.
        * config/m32r/m32r-protos.h: Correct comment.
        * config/v850/v850.h (GHS_default_section_names,
        GHS_current_section_names): Use tree, not union tree_node *.

2011-04-26  Xinliang David Li  <davidxl@google.com>

        * tree-ssa-uninit.c (warn_uninitialized_phi): Pass warning code.
        * c-family/c-opts.c (c_common_handle_option): Set
        warn_maybe_uninitialized.
        * opts.c (common_handle_option): Ditto.
        * common.opt:  New option.
        * tree-ssa.c (warn_uninit): Add one more parameter.
        (warn_uninitialized_var): Pass warning code.
        * tree-flow.h: Interface change.


2011-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/mips/iris6.h (LOCAL_LABEL_PREFIX): Don't test TARGET_NEWABI.
        (WINT_TYPE_SIZE): Use INT_TYPE_SIZE.
        (TARGET_OS_CPP_BUILTINS): Remove TARGET_IRIX6 guards.

2011-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/mips/mips.h (DBX_OUTPUT_SOURCE_LINE): Remove.
        * config/mips/mips.opt (mmips-tfile): Remove.

        * doc/install.texi (Specific, mips-*-*): Move mips-tfile,
        mips-tdump reference to ...
        (Specific, alpha*-dec-osf5.1): ... here.  Adapt for Tru64 UNIX.
        * doc/trouble.texi (Cross-Compiler Problems): Replace MIPS
        reference by Tru64 UNIX.

2011-04-26  Jakub Jelinek  <jakub@redhat.com>

        PR debug/48768
        * tree-ssa.c (insert_debug_temp_for_var_def): If degenerate_phi_result
        is error_mark_node, set value to NULL.

        PR tree-optimization/48734
        * tree-ssa-reassoc.c (eliminate_redundant_comparison): Give up
        if return value from maybe_fold_*_comparsions isn't something
        the code is prepared to handle.

2011-04-26  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/predicates.md (ext_QIreg_operand): Remove extra
        mode check.
        (ext_QIreg_nomode_operands): Remove.
        * config/i386/i386.md (*anddi_1): Use ext_QIreg_operand.
        (*andsi_1): Ditto.
        (*andhi_1): Ditto.

2011-04-26  Andrew Stubbs  <ams@codesourcery.com>

        * config/arm/arm.c (arm_gen_constant): Remove can_negate_initial.

2011-04-26  Richard Guenther  <rguenther@suse.de>

        * c-typeck.c (build_unary_op): Do not expand array-refs via
        pointer arithmetic.  Only adjust qualifiers for function types.

2011-04-26  Richard Guenther  <rguenther@suse.de>

        PR middle-end/48694
        * tree.h (OEP_CONSTANT_ADDRESS_OF): New operand_equal_flag.
        * fold-const.c (operand_equal_p): For TREE_CONSTANT ADDR_EXPRs
        compare the operands with OEP_CONSTANT_ADDRESS_OF.  Treat trees
        with TREE_SIDE_EFFECTS equal when OEP_CONSTANT_ADDRESS_OF is set.

2011-04-25  Paolo Carlini  <paolo.carlini@oracle.com>

        * doc/extend.texi: Document __underlying_type.

2011-04-25  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/titan.md (automata_option "progress"): Remove.

2011-04-25  Jeff Law  <law@redhat.com>

        * tree-vrp.c (identify_jump_threads): Handle GIMPLE_SWITCH too.

2011-04-25  Jan Kratochvil  <jan.kratochvil@redhat.com>

        * system.h (ENUM_BITFIELD): Remove.

2011-04-25  Maxim Kuvyrkov  <maxim@codesourcery.com>
            Eric Botcazou  <ebotcazou@adacore.com>

        * combine.c (combine_simplify_rtx): Avoid mis-simplifying conditionals
        for STORE_FLAG_VALUE==-1 case.

2011-04-24  Richard Sandiford  <richard.sandiford@linaro.org>

        PR target/43804
        * config/m68k/constraints.md (T): Allow PIC operands that satisfy
        LEGITIMATE_PIC_OPERAND_P.

2011-04-24  Jan Hubicka  <jh@suse.cz>

        * ipa-prop.c (ipa_propagate_indirect_call_infos): Remove obsolette
        WPA hack.
        * ipa-prop.h (ipa_get_param, ipa_is_param_used,
        ipa_param_cannot_devirtualize_p, ipa_param_types_vec_empty,
        ipa_get_ith_jump_func, ipa_get_lattice): Fortify array bounds.
        * ipa-inline-analysis.c (add_clause): Fix clause ordering.
        (and_predicates, or_predicates, predicates_equal_p, evaulate_predicate):
        Sanity check predicate length.
        (remap_predicate): Likewise; sanity check jump functions.
        (inline_read_section, inline_write_summary): Sanity check
        predicate length.

2011-04-24  Paolo Carlini  <paolo.carlini@oracle.com>

        PR other/48748
        * doc/extend.texi (Type Traits): Document __is_standard_layout,
        __is_literal_type, and __is_trivial; update throughout about
        possibly cv-qualified void types.

2011-04-24  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/sourcebuild.texi (Ada Tests): Adjust reference to ACATS
        testsuite and make it version agnostic.

2011-04-22  Jan Hubicka  <jh@suse.cz>

        * ipa-inline-analysis.c (inline_write_summary): Fix thinko.

2011-04-23  Jakub Jelinek  <jakub@redhat.com>

        PR c/48685
        * fold-const.c (fold_convert_loc): Add NOP_EXPR when casting
        to VOID_TYPE even around MODIFY_EXPR.

2011-04-22  Mike Stump  <mikestump@comcast.net>

        * gensupport.c (read_md_rtx): Fix typo in comment.
        * config/cris/cris.opt (moverride-best-lib-options): Fix typo in
        comment.

2011-04-22  Jan Hubicka  <jh@suse.cz>

        * gengtype.c (open_base_files): Add ipa-inline.h include.
        * ipa-cp.c (ipcp_get_lattice, ipcp_lattice_from_jfunc): Move to
        ipa-prop.c; update all uses.
        * ipa-prop.c: (ipa_get_lattice, ipa_lattice_from_jfunc): ... here.
        * ipa-inline-transform.c (inline_call): Use inline_merge_summary to
        merge summary of inlined function into former caller.
        * ipa-inline.c (max_benefit): Remove.
        (edge_badness): Compensate for removal of benefits.
        (update_caller_keys): Use
        reset_node_growth_cache/reset_edge_growth_cache.
        (update_callee_keys): Likewise.
        (update_all_callee_keys): Likewise.
        (inline_small_functions): Do not collect max_benefit; do not reset
        estimated_growth; call free_growth_caches and initialize_growth_caches.
        * ipa-inline.h (struct condition, type clause_t, struct predicate,
        struct size_time_entry): New structures.
        (INLINE_SIZE_SCALE, INLINE_TIME_SCALE, MAX_CLAUSES): New constants.
        (inline_summary): Remove size_inlining_benefit, time_inlining_benefit
        and estimated_growth.
        (edge_growth_cache_entry): New structure.
        (node_growth_cache, edge_growth_cache): New global vars.
        (estimate_growth): Turn into inline.
        (inline_merge_summary, do_estimate_edge_growth, do_estimate_edge_time,
        initialize_growth_caches, free_growth_caches): Declare.
        (estimate_edge_growth): Rewrite.
        (estimate_edge_time): Implement as inline cache lookup.
        (reset_node_growth_cache, reset_edge_growth_cache): New inline
        functions.
        (MAX_TIME): Reduce to allow multiplicatoin by INLINE_SIZE_SCALE.
        (NUM_CONDITIONS): New constant.
        (predicate_conditions): New enum.
        (IS_NOT_CONSTANT): New constant.
        (edge_removal_hook_holder): New var.
        (node_growth_cache, edge_growth_cache): New global vars.
        (true_predicate, single_cond_predicate, false_predicate,
        not_inlined_predicate, add_condition, add_clause, and_predicates,
        or_predicates, predicates_equal_p, evaulate_predicate, dump_condition,
        dump_clause, dump_predicate, account_size_time,
        evaulate_conditions_for_edge): New functions.
        (inline_summary_alloc): Move to heap.
        (inline_node_removal_hook): Clear condition and entry vectors.
        (inline_edge_removal_hook): New function.
        (initialize_growth_caches, free_growth_caches): New function.
        (dump_inline_summary): Update.
        (edge_execution_predicate): New function.
        (will_be_nonconstant_predicate): New function.
        (estimate_function_body_sizes): Compute BB and constantness predicates.
        (compute_inline_parameters): Do not clear estimated_growth.
        (estimate_edge_size_and_time): New function.
        (estimate_calls_size_and_time):&n