2011-05-30 Bill Schmidt <wschmidt@linux.vnet.ibm.com>

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

2011-05-30  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        PR tree-optimization/46728
        * tree-ssa-math-opts.c (build_and_insert_call): Reorder parms.
        (build_and_insert_binop): New.
        (gimple_expand_builtin_pow): Reorder args for
        build_and_insert_call; use build_and_insert_binop; add more
        optimizations for fractional exponents.
        
2011-05-30  Nathan Froyd  <froydnj@gcc.gnu.org>

        PR bootstrap/49190

        Revert:
        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.

2011-05-30  Richard Sandiford  <rdsandiford@googlemail.com>

        * config.gcc: Keep obselete list sorted.

2011-05-30  Jakub Jelinek  <jakub@redhat.com>
            Eric Botcazou  <ebotcazou@adacore.com>

        * var-tracking.c (vt_add_function_parameter): Remap incoming MEMs with
        crtl->args.internal_arg_pointer based address to arg_pointer_rtx if
        there is a DRAP register and arg_pointer_rtx is the CFA pointer.
        (vt_init_cfa_base): Don't equate cfa_base_rtx if stack was realigned.
        (vt_initialize): Initialize cfa_base_rtx if there is a DRAP register.

2011-05-30  Richard Guenther  <rguenther@suse.de>

        * gimple.c (gimple_types_compatible_p_1): Compare record
        and union type members properly.

2011-05-30  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/49210
        * ipa-split.c (split_function): Care for the case where the
        call result is not trivially convertible to the result holding
        variable.

2011-05-30  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/49218
        * tree-vrp.c (adjust_range_with_scev): Properly check whether
        overflow occured.

2011-05-30  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-forwprop.c (forward_propagate_into_comparison):
        New function split out from ...
        (forward_propagate_into_gimple_cond): ... here.  Adjust.
        (forward_propagate_into_cond): Likewise.
        (forward_propagate_comparison): Also propagate into
        comparisons on assignment RHS.  Change return value to
        behave similar to forward_propagate_into_cond.
        (tree_ssa_forward_propagate_single_use_vars): Handle
        strict-overflow warnings properly for forward_propagate_comparison.

2011-05-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac (gcc_cv_lto_plugin): Determine lto plugin support
        from plugin linker.
        * configure: Regenerate.

2011-05-30  Ira Rosen  <ira.rosen@linaro.org>

        PR tree-optimization/49199
        * tree-vect-loop.c (vect_is_slp_reduction): Check that the
        non-reduction operands are either defined in the loop or
        by induction.

2011-05-29  Xinliang David Li  <davidxl@google.com>

        * opts-global.c (handle_common_deferred_options): Handle new options.
        * passes.c (register_one_dump_file): Call register_pass_name.
        (execute_one_pass): Check explicit enable/disable flag.
        (passr_hash): New function.
        (passr_eq): Ditto.
        (register_pass_name): Ditto.
        (get_pass_by_name): Ditto.
        (pass_hash): Ditto.
        (pass_eq): Ditto.
        (enable_pass): Ditto.
        (disable_pass): Ditto.
        (is_pass_explicitly_enabled_or_disabled): Ditto.

2011-05-29  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*movoi_internal_avx): Use
        standard_sse_constant_opcode for alternative 0.
        (*movti_internal_sse): Ditto.
        (*movti_internal_rex64): Use standard_sse_constant_opcode for
        alternative 2.
        (*movdi_internal_rex64): Use standard_sse_constant_opcode for
        sselog1 type moves.
        (*movsi_internal): Ditto.
        (*movdi_internal): Ditto.  Add ssecvt type moves.

2011-05-29  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/48830
        * rtlanal.c (simplify_subreg_regno): Adjust comment.

2011-05-29  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/49095
        * config/i386/predicates.md (plusminuslogic_operator): New predicate.
        * config/i386/i386.md: Add peepholes for mem {+,-,&,|,^}= x; mem != 0.

2011-05-29  Richard Sandiford  <rdsandiford@googlemail.com>

        PR target/43995
        * config/mips/mips.c (mips_pic_call_symbol_from_set): Add a
        recurse_p argument.  Only follow register copies if it is set,
        and prevent mips_find_pic_call_symbol from recursing.
        (mips_find_pic_call_symbol): Add a recurse_p argument.
        Pass it to mips_pic_call_symbol_from_set.
        (mips_annotate_pic_calls): Update accordingly.

2011-05-29  Richard Sandiford  <rdsandiford@googlemail.com>

        * emit-rtl.c (try_split): Use a loop to search for
        NOTE_INSN_CALL_ARG_LOCATIONs.

2011-05-29  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/49217
        * ipa-pure-const.c (propagate_pure_const): Fix typos.

2011-05-28  Jan Hubicka  <jh@suse.cz>

        * lto-streamer-out.c (hash_string_slot_node): Hash string based on its
        length.
        (string_slot_free): Remove
        (create_output_block): Initialize obstack.
        (destroy_output_block): Free obstack.
        (lto_string_index): Add PERSISTENT parameter; do not duplicate
        the string unless it needs to be added into the hash.
        (lto_output_string_with_length): Add persistent attribute;
        handle NULL strings.
        (lto_output_string): Add PERSISTENT parameter.
        (output_string_cst, output_identifier): Simplify.
        (lto_output_location_bitpack): Update.
        (lto_output_builtin_tree): Update.
        * lto-streamer.h (struct output_block): Add obstack.
        (lto_output_string, lto_output_string_with_length): Remove
        declarations; functions are static now.

2011-05-28  Jan Hubicka  <jh@suse.cz>

        * lto-streamer-out.c (pack_ts_fixed_cst_value_fields,
        pack_ts_decl_common_value_fields, pack_ts_decl_with_vis_value_fields,
        pack_ts_function_decl_value_fields, lto_output_builtin_tree,
        output_cfg, output_gimple_stmt): Use enum and variable length i/o.
        * lto-streamer-in.c (input_cfg, input_gimple_stmt,
        unpack_ts_fixed_cst_value_fields, unpack_ts_decl_common_value_fields,
        unpack_ts_decl_with_vis_value_fields,
        unpack_ts_type_common_value_fields, unpack_ts_block_value_fields,
        lto_get_builtin_tree): Use enum and variable length i/o.
        * basic-block.h (profile_status_d): Add PROFILE_LAST.
        * lto-streamer.h (bp_pack_int_in_range, bp_unpack_int_in_range):
        New functions.
        (bp_pack_enum, bp_unpack_enum): New macros.

2011-05-28  Richard Sandiford  <rdsandiford@googlemail.com>

        * genrecog.c: Remove redundant forward declarations.

2011-05-28  Richard Sandiford  <rdsandiford@googlemail.com>

        * config.gcc: Deprecate mips*-*-openbsd*.

2011-05-28  Richard Sandiford  <rdsandiford@googlemail.com>

        PR bootstrap/49195
        * genrecog.c (add_to_sequence): Use XEXP rather than XVECEXP
        for match_op_dup.

2011-05-27  Andrew Pinski  <pinskia@gmail.com>

        PR middle-end/48981
        * gengtype.c (vec_prefix_type): New function.
        (note_def_vec): Use vec_prefix_type and change the length
        attribute to be based on the prefix.
        * vec.c: Include coretypes.h before vec.h.
        (struct vec_prefix): Remove.
        (vec_gc_p_reserve): Change the offsetof to sizeof.
        (vec_gc_p_reserve_exact): Likewise.
        (vec_heap_p_reserve): Likewise.
        (vec_heap_p_reserve_exact): Likewise.
        (vec_stack_o_reserve_1): Copy from +1 instead of from vec.
        (vec_stack_p_reserve): Change the offsetof to sizeof.
        (vec_stack_p_reserve_exact): Likewise.
        * vec.h (struct vec_prefix): New struct definition.
        (VEC_T(T,B)): Use vec_prefix instead of having num/alloc fields.
        (VEC_T_GTY(T,B)): Likewise.
        (DEF_VEC_FUNC_P(T)): Use prefix field.
        (DEF_VEC_NONALLOC_FUNCS_O(T,A)): Likewise.
        (DEF_VEC_NONALLOC_FUNCS_I(T,A)): Likewise.

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

        PR tree-optimization/46728
        * tree-ssa-math-opts.c (powi_as_mults_1): Add gimple_set_location.
        (powi_as_mults): Add gimple_set_location.
        (build_and_insert_call): New.
        (gimple_expand_builtin_pow): Add handling for pow(x,y) when y is
        0.5, 0.25, 0.75, 1./3., or 1./6.

2011-05-27  Alexander Monakov  <amonakov@ispras.ru>

        * doc/contrib.texi: Update copyright years.
        (Contributors): Add Zdenek Sojka.

2011-05-27  Nathan Froyd  <froydnj@codesourcery.com>

        * c-decl.c (c_push_function_context): Copy the current statement
        list stack.
        (add_stmt): Check building_stmt_list_p and push_stmt if necessary.
        (finish_struct): Call building_stmt_list_p instead of checking
        cur_stmt_list.
        * c-parser.c (c_parser_postfix_expression): Likewise.
        * c-typeck.c (c_end_compound_stmt): Likewise.
        * print-tree.c (print_node) [STATEMENT_LIST]: Don't print TREE_CHAIN.
        * tree-iterator.c (stmt_list_cache): Change to a VEC.
        (alloc_stmt_list): Adjust for stmt_list_cache's new type.
        (free_stmt_list): Likewise.
        * tree.h (struct tree_statement_list): Include typed_tree instead
        of tree_common.
        * tree.c (initialize_tree_contains_struct): Mark TS_STATEMENT_LIST
        as TS_TYPED instead of TS_COMMON.

2011-05-27  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
            Uros Bizjak <ubizjak@gmail.com>

        * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check for @tlsgdplt
        (HAVE_AS_IX86_TLSGDPTL): Define.
        (gcc_cv_as_ix86_tlsldmplt): Check for @tlsldmplt.
        (HAVE_AS_IX86_TLSLDMPLT): Define.
        * configure: Regenerate.
        * config.in: Regenerate.
        * config/i386/i386.c (ix86_print_operand): Handle code 'p'.
        * config/i386/i386.md (*tls_global_dynamic_32_gnu): If
        TARGET_SUN_TLS, use @tlsgdplt or @plt.
        (*tls_global_dynamic_64): Use @plt if TARGET_SUN_TLS.
        (*tls_local_dynamic_base_32_gnu): If TARGET_SUN_TLS, use
        @tlsldmplt or @plt.
        (*tls_local_dynamic_base_64): Use @plt if TARGET_SUN_TLS.

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

        * sched-int.h (struct _haifa_deps_insn_data): New members cond
        and reverse_cond.
        (INSN_COND, INSN_REVERSE_COND): New macros.
        * sched-deps.c (deps_analyze_insn): Call sched_get_condition_with_rev
        once.
        (sched_get_condition_with_rev): Cache the results, and look them up
        if possible.
        (sched_analyze_insn): Destroy INSN_COND of previous insns if they
        are clobbered by the current insn.
        * target.def (exposed_pipline): New sched data hook.
        * doc/tm.texi.in: TARGET_SCHED_EXPOSED_PIPELINE: Add hook.
        * doc/tm.texi: Regenerate.

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): New function.
        (estimate_callee_size_and_time): New function.
        (remap_predicate): New function.
        (inline_merge_summary): New function.
        (do_estimate_edge_time): New function based on...
        (estimate_edge_time): ... this one.
        (do_estimate_edge_growth): New function.
        (do_estimate_growth): New function based on....
        (estimate_growth): ... this one.
        (inline_analyze_function): Analyze after deciding on jump functions.
        (inline_read_section): New function.
        (inline_read_summary): Use it.
        (inline_write_summary): Write all the new data.
        * ipa-prop.c (ipa_get_param_decl_index): Export.
        (ipa_lattice_from_jfunc): Move here from ipa-cp.c
        * ipa-prop.h (ipa_get_param_decl_index, ipa_lattice_from_jfunc):
        Declare.
        (ipa_get_lattice): Move here from ipa-cp.c
        * Makefile.in (GTFILES): Add ipa-inline.h and ipa-inline-analysis.c
        * params.def (PARAM_EARLY_INLINING_INSNS): Set to 11.
        * cgraph.h (cgraph_clone_inlined_nodes, compute_inline_parameters,
        cgraph_edge_inlinable_p): Remove.
        * cgraphunit.c: Include ipainline.h
        (cgraph_process_new_functions): Update call of
        compute_inline_parameters.

2011-04-22  Richard Guenther  <rguenther@suse.de>

        * tree.c (build_int_cst): Properly create canonicalized integer
        constants.
        (build_int_cst_type): Remove scary comments.

2011-04-22  Xinliang David Li  <davidxl@google.com>

        * toplev.c (process_options): Enable -Werror=coverage-mismatch
        by default when -Wno-error is not specified.
        * opts-global.c (decode_options): Remove call to
        control_warning_options.

2011-04-22  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/48717
        * tree-ssa-forwprop.c (associate_plusminus): For A + ~A and
        ~A + A optimizations use build_int_cst_type instead of build_int_cst.

2011-04-22  Joseph Myers  <joseph@codesourcery.com>

        * config/bfin/bfin-protos.h (Mmode): Don't define.  Expand
        definition where used.

2011-04-22  Jakub Jelinek  <jakub@redhat.com>

        PR c/48716
        * gimplify.c (gimplify_bind_expr): Mark as GOVD_LOCAL also
        TREE_STATIC variables declared inside of some OpenMP construct.

2011-04-22  Martin Jambor  <mjambor@suse.cz>

        PR middle-end/48585
        * tree-inline.c (copy_bb): Create new edges only for analyzed nodes.

2011-04-22  Alexander Monakov  <amonakov@ispras.ru>

        PR c/36750
        * c-typeck.c (pop_init_level): Do not warn about initializing
        with ` = {0}'.

2011-04-22  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000.c (rs6000_function_arg): Remove CALL_LIBCALL
        when returning call_cookie.
        (rs6000_function_ok_for_sibcall): Allow sibcalls via function
        pointers, to functions with no more vector args than the current
        function, and some non-local calls for ABI_V4.
        * config/rs6000/rs6000.md (sibcall_nonlocal_aix32,
        sibcall_nonlocal_aix64): Combine to ..
        (sibcall_nonlocal_aix<mode>): ..this.  Handle function pointer calls.
        (sibcall_value_nonlocal_aix32, sibcall_value_nonlocal_aix64): Combine..
        (sibcall_value_nonlocal_aix<mode>): ..likewise.
        (*sibcall_nonlocal_sysv<mode>): Handle function pointer calls.
        (sibcall_value_nonlocal_sysv<mode>): Likewise.  Correct call cookie
        operand.
        * config/rs6000/darwin.md (sibcall_nonlocal_darwin64,
        sibcall_value_nonlocal_darwin64, sibcall_symbolic_64,
        sibcall_value_symbolic_64): Delete.

2011-04-21  Xinliang David Li  <davidxl@google.com>

        * cgraph.h: Remove pid.
        * cgraph.c: Remove pid.
        * value-prof.c (init_node_map): New function.
        (del_node_map): New function.
        (find_func_by_funcdef_no): New function.
        (gimple_ic_transform): Call new function.
        * cgraphunit.c (cgraph_finalize_function): Remove pid.
        * function.c (get_last_funcdef_no): New function.
        * function.h (get_last_funcdef_no): New function.
        * tree-profile.c (gimple_gen_ic_func_profiler): Pass funcdef_no
        to libgcov function.
        (tree-profiling): Call node map init and delete function.

2011-04-21  Ian Lance Taylor  <iant@google.com>

        * godump.c (go_format_type): Use exported Go name for anonymous
        field name.

2011-04-21  Nathan Froyd  <froydnj@codesourcery.com>

        * config/frv/frv.c (frv_init_builtins): Delete `endlink' variable.
        Call builtin_function_type_list instead of builtin_function_type.
        (UNARY, BINARY, TRINARY, QUAD): Likewise.

2011-04-21  Nathan Froyd  <froydnj@codesourcery.com>

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

2011-04-21  Nathan Froyd  <froydnj@codesourcery.com>

        * config/s390/s390.c (s390_init_builtins): Call
        build_function_type_list instead of build_function_type.

2011-04-21  Nathan Froyd  <froydnj@codesourcery.com>

        * config/ia64/ia64.c (ia64_init_builtins): Call
        build_function_type_list instead of builtin_function_type.

2011-04-21  Easwaran Raman  <eraman@google.com>

        * cfgexpand.c (stack_var): Remove OFFSET...
        (add_stack_var): ...and its reference here...
        (expand_stack_vars): ...and here.
        (stack_var_cmp): Sort by descending order of size.
        (partition_stack_vars): Change heuristic.
        (union_stack_vars): Fix to reflect changes in partition_stack_vars.
        (dump_stack_var_partition): Add newline after each partition.

2011-04-21  Dimitrios Apostolou  <jimis@gmx.net>
            Jeff Law  <law@redhat.com>

        * gengtype-state.c (read_a_state_token): Fix argument to obstack_free.
        * gengtype.c (matching_file_name_substitute): Likewise.

2011-04-21  Richard Guenther  <rguenther@suse.de>

        PR lto/48703
        * tree.c (free_lang_data_in_decl): Do not zero TREE_TYPE of DECL_NAME.

2011-04-21  Eric Botcazou  <ebotcazou@adacore.com>

        * gimple.c (walk_gimple_op) <GIMPLE_CALL>: Fix couple of oversights.

2011-04-21  Richard Guenther  <rguenther@suse.de>

        * Makefile.in (site.exp): Do not use tmp0 but site.tmp as temporary
        file name.

2011-04-21  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Handle
        MEM_REF and TARGET_MEM_REF, do not care about INDIRECT_REFs.
        Use DECL_P, not SSA_VAR_P.
        (ptr_derefs_may_alias_p): Likewise.
        (ptr_deref_may_alias_ref_p_1): Likewise.
        (decl_refs_may_alias_p): Likewise.
        (refs_may_alias_p_1): Likewise.
        (ref_maybe_used_by_call_p_1): Likewise.
        (call_may_clobber_ref_p_1): Likewise.
        (indirect_ref_may_alias_decl_p): Assume indirect refrences
        are either MEM_REF or TARGET_MEM_REF.
        (indirect_refs_may_alias_p): Likewise.
        * calls.c (emit_call_1): Build a MEM_REF instead of an INDIRECT_REF
        for MEM_EXPR of indirect calls.

2011-04-21  Tristan Gingold  <gingold@adacore.com>

        * vmsdbgout.c (write_srccorr): Compute file length from the string.
        (dst_file_info_struct): Remove flen field.
        (lookup_filename): Remove code that set flen field.

2011-04-21  Tristan Gingold  <gingold@adacore.com>

        * config/ia64/ia64.c (ia64_start_function): Add a guard.

2011-04-21  Uros Bizjak  <ubizjak@gmail.com>

        PR target/48708
        * config/i386/i386.c (ix86_expand_vector_set) <V2DImode>: Generate
        vec_extract and vec_concat for non-SSE4_1 targets.

2011-04-21  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-alias.c (ref_maybe_used_by_stmt_p): Handle
        return statements.

2011-04-21  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/cygming.h (union tree_node, TREE): Don't define or
        undefine.
        (FILE): Don't undefine.

2011-04-21  Joseph Myers  <joseph@codesourcery.com>

        * config/alpha/alpha.c (struct machine_function): Use rtx, not
        struct rtx_def *.
        * config/bfin/bfin.h (bfin_cc_rtx, bfin_rets_rtx): Use rtx, not
        struct rtx_def *.
        * config/cris/cris-protos.h (STDIO_INCLUDED): Don't define.
        * config/h8300/h8300.h (struct cum_arg): Use rtx, not struct rtx_def *.
        * config/iq2000/iq2000.h (struct iq2000_args): Use rtx, not struct
        rtx_def *.
        * config/m32c/m32c-protos.h (MM, UINT): Don't define.  Expand
        definitions where used.
        * config/microblaze/microblaze.h (struct microblaze_args): Use
        rtx, not struct rtx_def *.
        * config/pa/pa-protos.h (return_addr_rtx): Use rtx, not struct
        rtx_def *.
        * config/pa/pa.h (hppa_pic_save_rtx): Use rtx, not struct rtx_def *.
        * config/pdp11/pdp11.h (cc0_reg_rtx): Use rtx, not struct rtx_def *.
        * config/sh/sh-protos.h (sfunc_uses_reg, get_fpscr_rtx): Use rtx,
        not struct rtx_def *.
        * config/sh/sh.h (sh_compare_op0, sh_compare_op1): Use rtx, not
        struct rtx_def *.
        * config/spu/spu-protos.h (spu_float_const): Use rtx, not struct
        rtx_def *.
        * config/spu/spu.c (spu_float_const): Use rtx, not struct rtx_def *.

2011-04-21  Richard Sandiford  <richard.sandiford@linaro.org>

        * tree-vect-data-refs.c (vect_drs_dependent_in_basic_block): Use
        operand_equal_p to compare DR_BASE_ADDRESSes.
        (vect_check_interleaving): Likewise.

2011-04-21  Richard Sandiford  <richard.sandiford@linaro.org>

        PR target/46329
        * config/arm/arm.c (arm_legitimate_constant_p_1): Return false
        for all Neon struct constants.

2011-04-21  Richard Sandiford  <richard.sandiford@linaro.org>

        * target.def (legitimate_constant_p): New hook.
        * doc/tm.texi.in (LEGITIMATE_CONSTANT_P): Replace with...
        (TARGET_LEGITIMATE_CONSTANT_P): ...this.
        * doc/tm.texi: Regenerate.
        * hooks.h (hook_bool_mode_rtx_true): Declare.
        * hooks.c (hook_bool_mode_rtx_true): Define.
        * system.h (LEGITIMATE_CONSTANT_P): Poison.
        * calls.c (precompute_register_parameters): Replace uses of
        LEGITIMATE_CONSTANT_P with targetm.legitimate_constant_p.
        (emit_library_call_value_1): Likewise.
        * expr.c (move_block_to_reg, can_store_by_pieces, emit_move_insn)
        (compress_float_constant, emit_push_insn, expand_expr_real_1): Likewise.
        * ira-costs.c (scan_one_insn): Likewise.
        * recog.c (general_operand, immediate_operand): Likewise.
        * reload.c (find_reloads_toplev, find_reloads_address_part): Likewise.
        * reload1.c (init_eliminable_invariants): Likewise.

        * config/alpha/alpha-protos.h (alpha_legitimate_constant_p): Add a
        mode argument.
        * config/alpha/alpha.h (LEGITIMATE_CONSTANT_P): Delete.
        * config/alpha/alpha.c (alpha_legitimate_constant_p): Add a mode
        argument.
        (TARGET_LEGITIMATE_CONSTANT_P): Define.
        * config/alpha/predicates.md (input_operand): Update call to
        alpha_legitimate_constant_p.

        * config/arm/arm-protos.h (arm_cannot_force_const_mem): Delete.
        * config/arm/arm.h (ARM_LEGITIMATE_CONSTANT_P): Likewise.
        (THUMB_LEGITIMATE_CONSTANT_P, LEGITIMATE_CONSTANT_P): Likewise.
        * config/arm/arm.c (TARGET_LEGITIMATE_CONSTANT_P): Define.
        (arm_legitimate_constant_p_1, thumb_legitimate_constant_p)
        (arm_legitimate_constant_p): New functions.
        (arm_cannot_force_const_mem): Make static.

        * config/avr/avr.h (LEGITIMATE_CONSTANT_P): Delete.

        * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Delete.
        * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Delete.
        * config/bfin/bfin.c (expand_move): Use targetm.legitimate_constant_p
        instead of bfin_legitimate_constant_p.
        (bfin_legitimate_constant_p): Make static.  Add a mode argument.
        (TARGET_LEGITIMATE_CONSTANT_P): Define.

        * config/cris/cris.h (LEGITIMATE_CONSTANT_P): Delete.

        * config/fr30/fr30.h (LEGITIMATE_CONSTANT_P): Delete.

        * config/frv/frv-protos.h (frv_legitimate_constant_p): Delete.
        * config/frv/frv.h (LEGITIMATE_CONSTANT_P): Delete.
        * config/frv/frv.c (TARGET_LEGITIMATE_CONSTANT_P): Define.
        (frv_legitimate_constant_p): Make static.  Add a mode argument.

        * config/h8300/h8300-protos.h (h8300_legitimate_constant_p): Delete.
        * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Likewise.
        * config/h8300/h8300.c (h8300_legitimate_constant_p): Likewise.

        * config/i386/i386-protos.h (legitimate_constant_p): Delete.
        * config/i386/i386.h (LEGITIMATE_CONSTANT_P): Likewise.
        * config/i386/i386.c (legitimate_constant_p): Rename to...
        (ix86_legitimate_constant_p): ...this.  Make static.  Add a mode
        argument.
        (ix86_cannot_force_const_mem): Update accordingly.
        (ix86_legitimate_address_p): Likewise.
        (TARGET_LEGITIMATE_CONSTANT_P): Define.
        * config/i386/i386.md: Update commentary.

        * config/ia64/ia64-protos.h (ia64_legitimate_constant_p): Delete.
        * config/ia64/ia64.h (LEGITIMATE_CONSTANT_P): Likewise.
        * config/ia64/ia64.c (TARGET_LEGITIMATE_CONSTANT_P): Define.
        (ia64_legitimate_constant_p): Make static.  Add a mode argument.

        * config/iq2000/iq2000.h (LEGITIMATE_CONSTANT_P): Delete.

        * config/lm32/lm32-protos.h (lm32_legitimate_constant_p): Delete.
        * config/lm32/lm32.h (LEGITIMATE_CONSTANT_P): Likewise.
        * config/lm32/lm32.c (TARGET_LEGITIMATE_CONSTANT_P): Define.
        (lm32_legitimate_constant_p): Make static.  Add a mode argument.

        * config/m32c/m32c-protos.h (m32c_legitimate_constant_p): Delete.
        * config/m32c/m32c.h (LEGITIMATE_CONSTANT_P): Likewise.
        * config/m32c/m32c.c (m32c_legitimate_constant_p): Likewise.

        * config/m32r/m32r.h (LEGITIMATE_CONSTANT_P): Delete.
        * config/m32r/m32r.c (TARGET_LEGITIMATE_CONSTANT_P): Define.
        (m32r_legitimate_constant_p): New function.

        * config/m68k/m68k-protos.h (m68k_legitimate_constant_p): Declare.
        * config/m68k/m68k.h (CONSTANT_ADDRESS_P): Call it instead of
        LEGITIMATE_CONSTANT_P.
        (LEGITIMATE_CONSTANT_P): Delete.
        * config/m68k/m68k.c (m68k_expand_prologue): Call
        m68k_legitimate_constant_p instead of LEGITIMATE_CONSTANT_P.
        (m68k_legitimate_constant_p): New function.
        * config/m68k/m68k.md: Update comments.

        * config/mcore/mcore.h (LEGITIMATE_CONSTANT_P): Delete.
        * config/mcore/mcore.c (TARGET_LEGITIMATE_CONSTANT_P): Define.
        (mcore_legitimate_constant_p): New function.

        * config/mep/mep-protos.h (mep_legitimate_constant_p): Delete.
        * config/mep/mep.h (LEGITIMATE_CONSTANT_P): Likewise.
        * config/mep/mep.c (mep_legitimate_constant_p): Make static.
        Add a mode argument.
        (mep_legitimate_address): Update accordingly.
        (TARGET_LEGITIMATE_CONSTANT_P): Define.

        * config/microblaze/microblaze-protos.h (microblaze_const_double_ok):
        Delete.
        * config/microblaze/microblaze.h (LEGITIMATE_CONSTANT_P): Likewise.
        * config/microblaze/microblaze.c (microblaze_const_double_ok): Make
        static.  Check OP's mode for VOIDmode.
        (microblaze_legitimate_constant_p): New function.
        (TARGET_LEGITIMATE_CONSTANT_P): Define.

        * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Delete.
        * config/mips/mips.c (mips_legitimate_constant_p): New function.
        (mips_cannot_force_const_mem): Use it instead of LEGITIMATE_CONSTANT_P.
        (TARGET_LEGITIMATE_CONSTANT_P): Define.
        * config/mips/predicates.md: Update comments.

        * config/mmix/mmix-protos.h (mmix_legitimate_constant_p): Delete.
        * config/mmix/mmix.h (LEGITIMATE_CONSTANT_P): Likewise.
        * config/mmix/mmix.c (TARGET_LEGITIMATE_CONSTANT_P): Define.
        (mmix_legitimate_constant_p): Make static, return a bool, and take
        a mode argument.
        (mmix_print_operand_address): Update accordingly.

        * config/mn10300/mn10300-protos.h (mn10300_legitimate_constant_p):
        Delete.
        * config/mn10300/mn10300.h (LEGITIMATE_CONSTANT_P): Likewise.
        * config/mn10300/mn10300.c (mn10300_legitimate_constant_p): Make
        static.  Add a mode argument.
        (TARGET_LEGITIMATE_CONSTANT_P): Define.

        * config/moxie/moxie.h (LEGITIMATE_CONSTANT_P): Delete.

        * config/pa/pa.h (LEGITIMATE_CONSTANT_P): Delete.
        * config/pa/pa.c (TARGET_LEGITIMATE_CONSTANT_P): Define.
        (pa_legitimate_constant_p): New function.

        * config/picochip/picochip.h (LEGITIMATE_CONSTANT_P): Delete.

        * config/pdp11/pdp11.h (LEGITIMATE_CONSTANT_P): Delete.
        * config/pdp11/pdp11.c (TARGET_LEGITIMATE_CONSTANT_P): Define.
        (pdp11_legitimate_constant_p): New function.

        * config/rs6000/rs6000.h (LEGITIMATE_CONSTANT_P): Delete.
        * config/rs6000/rs6000.c (TARGET_LEGITIMATE_CONSTANT_P): Define.
        (rs6000_legitimate_constant_p): New function.

        * config/rx/rx-protos.h (rx_is_legitimate_constant): Replace with...
        (rx_legitimate_constant_p): ...this.
        * config/rx/rx.h (LEGITIMATE_CONSTANT_P): Delete.
        * config/rx/rx.c (rx_is_legitimate_constant): Replace with...
        (rx_legitimate_constant_p): ...this.
        (TARGET_LEGITIMATE_CONSTANT_P): Define.
        * config/rx/rx.md (mov<register_modes:mode>): Update accordingly.

        * config/s390/s390-protos.h (legitimate_constant_p): Delete.
        * config/s390/s390.h (LEGITIMATE_CONSTANT_P): Likewise.
        * config/s390/s390.c (legitimate_constant_p): Rename to...
        (s390_legitimate_constant_p): ...this.  Make static, return a bool,
        and add a mode argument.
        (TARGET_LEGITIMATE_CONSTANT_P): Define.

        * config/score/score.h (LEGITIMATE_CONSTANT_P): Delete.

        * config/sh/sh.h (LEGITIMATE_CONSTANT_P): Delete.
        * config/sh/sh.c (TARGET_LEGITIMATE_CONSTANT_P): Define.
        (sh_legitimate_constant_p): New function.

        * config/sparc/sparc-protos.h (legitimate_constant_p): Delete.
        * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Delete.
        * config/sparc/sparc.c (TARGET_LEGITIMATE_CONSTANT_P): Define.
        (legitimate_constant_p): Rename to...
        (sparc_legitimate_constant_p): ...this.  Make static.  Add a mode
        argument.
        (constant_address_p): Update accordingly.

        * config/spu/spu-protos.h (spu_legitimate_constant_p): Add a mode
        argument and return a bool.
        * config/spu/spu.h (LEGITIMATE_CONSTANT_P): Delete.
        * config/spu/spu.c (TARGET_LEGITIMATE_CONSTANT_P): Define.
        (spu_legitimate_constant_p): Add a mode argument and return a bool.
        (spu_rtx_costs): Update accordingly.
        * config/spu/predicates.md (vec_imm_operand): Likewise.

        * config/stormy16/stormy16.h (LEGITIMATE_CONSTANT_P): Delete.

        * config/v850/v850.h (LEGITIMATE_CONSTANT_P): Delete.
        * config/v850/v850.c (v850_legitimate_constant_p): New function.
        (TARGET_LEGITIMATE_CONSTANT_P): Define.

        * config/vax/vax-protos.h (legitimate_constant_p): Delete.
        * config/vax/vax.h (LEGITIMATE_CONSTANT_P): Likewise.
        * config/vax/vax.c (legitimate_constant_p): Likewise.

        * config/xtensa/xtensa.h (LEGITIMATE_CONSTANT_P): Delete.
        * config/xtensa/xtensa.c (TARGET_LEGITIMATE_CONSTANT_P): Define.
        (xtensa_legitimate_constant_p): New function.

2011-04-21  Richard Sandiford  <richard.sandiford@linaro.org>

        * target.def (cannot_force_const_mem): Add a mode argument.
        * doc/tm.texi.in (TARGET_CANNOT_FORCE_CONST_MEM): Update accordingly.
        * doc/tm.texi: Regenerate.
        * hooks.h (hook_bool_mode_rtx_false): Declare.
        * hooks.c (hook_bool_mode_const_rtx_false): Fix commentary.
        (hook_bool_mode_const_rtx_true): Likewise.
        (hook_bool_mode_rtx_false): New function.
        * reload.c (CONST_POOL_OK_P): Take a mode argument and require it
        to be non-VOID.  Update call to cannot_force_const_mem.
        (find_reloads): Update accordingly.
        * varasm.c (force_const_mem): Update call to cannot_force_const_mem.
        * config/alpha/alpha.c (alpha_cannot_force_const_mem): Add a mode
        argument.
        * config/arm/arm-protos.h (arm_cannot_force_const_mem): Likewise.
        * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Update call.
        * config/arm/arm.c (arm_cannot_force_const_mem): Add a mode argument.
        * config/bfin/bfin.c (bfin_cannot_force_const_mem): Likewise.
        * config/frv/frv.c (frv_cannot_force_const_mem): Likewise.
        * config/i386/i386.c (ix86_cannot_force_const_mem): Likewise.
        * config/ia64/ia64.c (ia64_cannot_force_const_mem): Likewise.
        * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Redefine to...
        (m68k_cannot_force_const_mem): ...this new function.
        * config/mips/mips.c (mips_cannot_force_const_mem): Add a mode
        argument.
        (mips_const_insns, mips_legitimize_const_move): Update calls.
        (mips_secondary_reload_class): Likewise.
        * config/pa/pa.c (TARGET_CANNOT_FORCE_CONST_MEM): Redefine to...
        (pa_cannot_force_const_mem): ...this new function.
        * config/rs6000/rs6000.c (TARGET_CANNOT_FORCE_CONST_MEM): Reefine to...
        (rs6000_cannot_force_const_mem): ...this new function.
        * config/s390/s390.c (s390_cannot_force_const_mem): Add a mode
        argument.
        * config/sparc/sparc.c (sparc_cannot_force_const_mem): Likewise.
        * config/xtensa/xtensa.c (TARGET_CANNOT_FORCE_CONST_MEM): Redefine
        to...
        (xtensa_cannot_force_const_mem): ...this new function.

2011-04-20  Nathan Froyd  <froydnj@codesourcery.com>

        * config/mips/mips.c (mips16_build_function_stub): Call
        build_function_type_list instead of build_function_type.
        (mips16_build_call_stub): Likewise.

2011-04-20  Nathan Froyd  <froydnj@codesourcery.com>

        * config/mep/mep.c (mep_init_builtins): Call build_function_type_list
        instead of build_function_type.

2011-04-20  Nathan Froyd  <froydnj@codesourcery.com>

        * config/pa/pa.c (pa_init_builtins): Call build_function_type_list
        instead of build_function_type.

2011-04-20  Uros Bizjak  <ubizjak@gmail.com>

        PR target/48678
        * config/i386/i386.md (insv): Change operand 0 constraint to
        "register_operand".  Change operand 1 and 2 constraint to
        "const_int_operand".  Expand to pinsr{b,w,d,q} * when appropriate.
        * config/i386/sse.md (sse4_1_pinsrb): Export.
        (sse2_pinsrw): Ditto.
        (sse4_1_pinsrd): Ditto.
        (sse4_1_pinsrq): Ditto.
        * config/i386/i386-protos.h (ix86_expand_pinsr): Add prototype.
        * config/i386/i386.c (ix86_expand_pinsr): New.

2011-04-20  Easwaran Raman  <eraman@google.com>

        * cfgexpand.c (add_alias_set_conflicts): Add conflicts with a variable
        containing union type only with -fstrict-aliasing.

2011-04-20  Jim Meyering  <meyering@redhat.com>

        Remove useless if-before-free tests.
        * calls.c (expand_call, save_area): Likewise.
        * cfgcleanup.c (try_forward_edges): Likewise.
        * collect2.c (collect_execute): Likewise.
        * config/i386/i386.c (ix86_valid_target_attribute_tree): Likewise.
        * config/mcore/mcore.c (mcore_expand_prolog): Likewise.
        * coverage.c (coverage_checksum_string): Likewise.
        * cse.c (init_cse_reg_info, delete_trivially_dead_insns): Likewise.
        * cselib.c (cselib_init): Likewise.
        * df-core.c (rest_of_handle_df_finish, df_analyze): Likewise.
        (df_set_clean_cfg): Likewise.
        * function.c (free_after_compilation): Likewise.
        * gcc.c (do_spec_1, main): Likewise.
        * gcov.c (create_file_names): Likewise.
        * gensupport.c (identify_predicable_attribute): Likewise.
        * graphite-clast-to-gimple.c (save_clast_name_index): Likewise.
        * graphite-sese-to-poly.c (free_data_refs_aux): Likewise.
        * haifa-sched.c (haifa_finish_h_i_d): Likewise.
        * ipa-prop.c (ipa_free_node_params_substructures): Likewise.
        * ipa-pure-const.c (local_pure_const): Likewise.
        * ipa-reference.c (propagate): Likewise.
        * ira-costs.c (free_ira_costs): Likewise.
        * ira.c (free_register_move_costs, build_insn_chain): Likewise.
        * matrix-reorg.c (mat_free): Likewise.
        * prefix.c (get_key_value): Likewise.
        * profile.c (compute_value_histograms): Likewise.
        * reload1.c (free_reg_equiv): Likewise.
        * sched-deps.c (free_deps): Likewise.
        * sel-sched-ir.c (fence_clear): Likewise.
        * sese.c (set_rename, if_region_set_false_region): Likewise.
        * tree-data-ref.c (free_rdg): Likewise.
        * tree-eh.c (lower_try_finally): Likewise.
        * tree-ssa-coalesce.c (delete_coalesce_list): Likewise.
        * tree-ssa-live.c (delete_var_map): Likewise.
        * tree-ssa-loop-ivopts.c (free_loop_data): Likewise.
        * tree-ssa-pre.c (phi_trans_add): Likewise.

2011-04-20  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/48611
        * tree-eh.c (note_eh_region_may_contain_throw): Don't propagate
        beyond ERT_MUST_NOT_THROW region.

2011-04-20  Catherine Moore  <clm@codesourcery.com>

        * config/mips/mips.opt (mfix-24k): New.
        * config/mips/mips.h (ASM_SPEC): Handle -mfix-24k.
        * config/mips/mips.md (length): Increase by 4 for stores if
        fixing 24K errata.
        * config/mips/mips.c (mips_reorg_process_insns): Do not allow
        all noreorder if fixing 24K errata.
        * doc/invoke.texi: Document mfix-24k.

2011-04-20  Chung-Lin Tang  <cltang@codesourcery.com>

        * config/arm/arm.c (arm_legitimize_reload_address): For NEON
        quad-word modes, reduce to 9-bit index range when above 1016 limit.

2011-04-20  Andrew Stubbs  <ams@codesourcery.com>

        * config/arm/arm.c (arm_gen_constant): Move movw support ....
        (const_ok_for_op): ... to here.

2011-04-20  Kai Tietz  <ktietz@redhat.com>

        * fold-const.c (fold_binary_loc): Add handling for (X & ~Y) | (~X & Y)
        and (X && !Y) | (!X && Y) optimization to (X ^ Y).

2011-04-20  Andrew Stubbs  <ams@codesourcery.com>

        * config/arm/arm.c (arm_gen_constant): Remove redundant can_invert.

2011-04-20  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47892
        * tree-if-conv.c (if_convertible_stmt_p): Const builtins
        are if-convertible.

2011-04-20  Eric Botcazou  <ebotcazou@adacore.com>

        * config/alpha/vms.h (ASM_OUTPUT_ADDR_DIFF_ELT): Do not redefine.

2011-04-20  Tristan Gingold  <gingold@adacore.com>

        * config/alpha/vms.h (LINK_SPEC): Do not use vms-dwarf2.o for gnu-ld.

2011-04-20  Georg-Johann Lay  <avr@gjlay.de>

        PR target/18145

        * config/avr/avr.h (TARGET_ASM_INIT_SECTIONS): Delete.
        (ASM_OUTPUT_COMMON, ASM_OUTPUT_LOCAL): Delete.
        (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define.
        (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Define.
        (TARGET_ASM_NAMED_SECTION): Change to avr_asm_named_section.

        * config/avr/avr-protos.h (avr_asm_output_aligned_common):
        New prototype.

        * config/avr/avr.c (TARGET_ASM_INIT_SECTIONS): Define.
        (avr_asm_named_section, avr_asm_output_aligned_common,
        avr_output_data_section_asm_op, avr_output_bss_section_asm_op):
        New functions to update...
        (avr_need_clear_bss_p, avr_need_copy_data_p): ...these new variables.
        (avr_asm_init_sections): Overwrite section callbacks for
        data_section, bss_section.
        (avr_file_start): Move output of __do_copy_data, __do_clear_bss
        from here to...
        (avr_file_end): ...here.

2011-04-20  Richard Guenther  <rguenther@suse.de>

        PR middle-end/48695
        * tree-ssa-alias.c (aliasing_component_refs_p): Compute base
        objects and types here.  Adjust for their offset before comparing.

2011-04-20  Richard Sandiford  <richard.sandiford@linaro.org>

        * tree-vect-stmts.c (vectorizable_store): Only chain one related
        statement per copy.

2011-04-20  Richard Sandiford  <richard.sandiford@linaro.org>

        * Makefile.in (INTERNAL_FN_DEF, INTERNAL_FN_H): Define.
        (GIMPLE_H): Include $(INTERNAL_FN_H).
        (OBJS-common): Add internal-fn.o.
        (internal-fn.o): New rule.
        * internal-fn.def: New file.
        * internal-fn.h: Likewise.
        * internal-fn.c: Likewise.
        * gimple.h: Include internal-fn.h.
        (GF_CALL_INTERNAL): New gf_mask.
        (gimple_statement_call): Put fntype into a union with a new
        internal_fn field.
        (gimple_build_call_internal): Declare.
        (gimple_build_call_internal_vec): Likewise.
        (gimple_call_same_target_p): Likewise.
        (gimple_call_internal_p): New function.
        (gimple_call_internal_fn): Likewise.
        (gimple_call_fntype): Return null for internal calls.
        (gimple_call_set_fntype): Assert that the function is not internal.
        (gimple_call_set_fn): Likewise.
        (gimple_call_set_fndecl): Likewise.
        (gimple_call_set_internal_fn): New function.
        (gimple_call_addr_fndecl): Handle null functions.
        (gimple_call_return_type): Likewise null types.
        * gimple.c (gimple_build_call_internal_1): New function.
        (gimple_build_call_internal): Likewise.
        (gimple_build_call_internal_vec): Likewise.
        (gimple_call_same_target_p): Likewise.
        (gimple_call_flags): Handle calls to internal functions.
        (gimple_call_fnspec): New function.
        (gimple_call_arg_flags, gimple_call_return_flags): Use it.
        (gimple_has_side_effects): Handle null functions.
        (gimple_rhs_has_side_effects): Likewise.
        (gimple_call_copy_skip_args): Handle calls to internal functions.
        * cfgexpand.c (expand_call_stmt): Likewise.
        * expr.c (expand_expr_real_1): Assert that the call isn't internal.
        * gimple-fold.c (gimple_fold_call): Handle null functions.
        (gimple_fold_stmt_to_constant_1): Don't fold
        calls to internal functions.
        * gimple-low.c (gimple_check_call_args): Handle calls to internal
        functions.
        * gimple-pretty-print.c (dump_gimple_call): Likewise.
        * ipa-prop.c (ipa_analyze_call_uses): Handle null functions.
        * tree-cfg.c (verify_gimple_call): Handle calls to internal functions.
        (do_warn_unused_result): Likewise.
        * tree-eh.c (same_handler_p): Use gimple_call_same_target_p.
        * tree-ssa-ccp.c (ccp_fold_stmt): Handle calls to internal functions.
        * tree-ssa-dom.c (hashable_expr): Use the gimple statement to record
        the target of a call.
        (initialize_hash_element): Update accordingly.
        (hashable_expr_equal_p): Use gimple_call_same_target_p.
        (iterative_hash_hashable_expr): Handle calls to internal functions.
        (print_expr_hash_elt): Likewise.
        * tree-ssa-pre.c (can_value_number_call): Likewise.
        (eliminate): Handle null functions.
        * tree-ssa-sccvn.c (visit_use): Handle calls to internal functions.
        * tree-ssa-structalias.c (get_fi_for_callee): Likewise.
        (find_func_aliases): Likewise.
        * value-prof.c (gimple_ic_transform): Likewise.
        (gimple_indirect_call_to_profile): Likewise.
        * lto-streamer-in.c (input_gimple_stmt): Likewise.
        * lto-streamer-out.c (output_gimple_stmt): Likewise.

2011-04-19  Jan Hubicka  <jh@suse.cz>

        * ipa-inline-transform.c (save_inline_function_body): Add comments.
        * ipa-inline.c (inline_small_functions): Compute summaries first,
        populate heap later.

2011-04-19  Jan Hubicka  <jh@suse.cz>

        * cgraph.h (save_inline_function_body): Remove.
        * ipa-inline-transform.c: New file, broke out of...
        * ipa-inline.c: ... this one; Update toplevel comment.
        (ncalls_inlined, nfunctions_inlined): Move to ipa-inline-transform.c;
        make global.
        (update_noncloned_frequencies): Move to ipa-inline-transform.c
        (cgraph_mark_inline_edge): Rename to inline_call; move to
        ipa-inline-transform.c.
        (cgraph_clone_inlined_nodes): Rename to clone_inlined_nodes;
        move to ipa-inline-transform.c
        (recursive_inlining, inline_small_functions, flatten_function,
        ipa_inline, inline_always_inline_functions,
        early_inline_small_functions): Update.
        (inline_transform): Move to ipa-inline-transform.c.
        * ipa-inline.h (inline_call, inline_transform, clone_inlined_nodes):
        Declare.
        * Makefile.in (ipa-inline-transform.o): New file.
        * cgraphunit.c (save_inline_function_body): Move to
        ipa-inline-transform.c

2011-04-19  DJ Delorie  <dj@redhat.com>

        * config/m32c/m32c.c (m32c_emit_epilogue): Don't try to push
        registers if we already know there aren't any.
        (m32c_emit_epilogue): Don't emit a barrier here.
        (m32c_emit_eh_epilogue): Likewise.
        * config/m32c/blkmov.md (movstr): Don't fail on wrong-type
        operands at expand time.
        * config/m32c/m32c.h (WCHAR_TYPE_SIZE): Change to 4 to match "long
        int" wchar type.
        (REG_CLASS_CONTENTS, reg_class, REG_CLASS_NAMES): Remove
        duplicates.  Provide aliases instead.
        * config/m32c/prologue.md (eh_return): Emit a barrier here.
        (eh_epilogue): Add a "(return)" here as a hint to other parts of
        the compiler.

2011-04-19  Anatoly Sokolov  <aesok@post.ru>

        * config/sparc/sparc.h (GENERAL_OR_I64, REGISTER_MOVE_COST): Remove.
        * config/sparc/sparc.c (TARGET_REGISTER_MOVE_COST): Define.
        (general_or_i64_p, sparc_register_move_cost): New function.

2011-04-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * doc/install.texi (Configuration, --enable-threads): Remove mach.
        Add lynx, mipssde.  Sort table.

2011-04-19  Xinliang David Li  <davidxl@google.com>

        * ipa-cp.c (ipcp_update_profiling): Assert that scale_completement is
        not negative.

2011-04-19  Jakub Jelinek  <jakub@redhat.com>

        PR target/48678
        * config/i386/i386.md (movstrict<mode>): FAIL if operands[0]
        is a SUBREG with non-MODE_INT mode inside of it.

2011-04-19  Martin Jambor  <mjambor@suse.cz>

        * ipa-cp.c (ipcp_process_devirtualization_opportunities): Devirtualize
        also according to actual contants.
        * gimple-fold.c (gimple_extract_devirt_binfo_from_cst): New function.
        (gimple_fold_call): Use it.
        * gimple.h (gimple_extract_devirt_binfo_from_cst): Declare.

2011-04-19  Martin Jambor  <mjambor@suse.cz>

        * ipa-prop.c (stmt_may_be_vtbl_ptr_store): Return false for scalar
        non-pointer assignments.

2011-04-19  Martin Jambor  <mjambor@suse.cz>

        * ipa-cp.c (ipcp_process_devirtualization_opportunities): Take into
        account anc_offset and otr_type from the indirect edge info.
        * ipa-prop.c (get_ancestor_addr_info): New function.
        (compute_complex_ancestor_jump_func): Assignment analysis moved to
        get_ancestor_addr_info, call it.
        (ipa_note_param_call): Do not initialize information about polymorphic
        calls, return the indirect call graph edge.  Remove the last
        parameter, adjust all callers.
        (ipa_analyze_virtual_call_uses): Process also calls to ancestors of
        parameters.  Initialize polymorphic information in the indirect edge.

2011-04-19  Eric Botcazou  <ebotcazou@adacore.com>

        PR lto/48148
        * gimple.c (gimple_types_compatible_p_1) <ENUMERAL_TYPE>: Do not merge
        the types if they have different enumeration identifiers.

2011-04-19  Jan Hubicka  <jh@suse.cz>

        * cgraph.h (cgraph_optimize_for_size_p): Declare.
        * ipa-cp.c (ipcp_insert_stage): Use cgraph_optimize_for_size_p.
        * predict.c (cgraph_optimize_for_size_p): Break out from ...
        (optimize_function_for_size_p) ... here.

2011-04-19  Richard Guenther  <rguenther@suse.de>

        PR lto/48207
        * tree.c (free_lang_data): Do not reset the decl-assembler-name
        langhook.

2011-04-19  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-inline.c (expand_call_inline): Do not issue a -Winline warning
        if DECL_NO_INLINE_WARNING_P is set on the function.

2011-04-19  Bernd Schmidt  <bernds@codesourcery.com>

        PR fortran/47976
        * reload1.c (inc_for_reload): Return void. All callers changed.
        (emit_input_reload_insns): Don't try to delete previous output
        reloads to a register, or record spill_reg_store for autoincs.

2011-04-19  Basile Starynkevitch  <basile@starynkevitch.net>

        * gengtype.h: Updated copyright year.
        (struct input_file_st): Add inpisplugin field.
        (type_fileloc): New function.
        * gengtype.c
        (write_typed_struct_alloc_def): Add gcc_assert.
        (write_typed_alloc_defns): Ditto. Don't output for plugin files.
        (write_typed_alloc_defns): Don't output for plugin files.
        (input_file_by_name): Clear inpisplugin field.
        (main): Set inpisplugin field for plugin files.

2011-04-19  Nicola Pero  <nicola.pero@meta-innovation.com>

        * gengtype-state.c (string_eq): New.
        (read_state): Use string_eq instead of strcmp when creating the
        state_ident_tab.

2011-04-19  Wei Guozhi  <carrot@google.com>

        PR target/47855
        * config/arm/arm-protos.h (thumb1_legitimate_address_p): New prototype.
        * config/arm/arm.c (thumb1_legitimate_address_p): Remove the static
        linkage.
        * config/arm/constraints.md (Uu): New constraint.
        * config/arm/arm.md (*arm_movqi_insn): Compute attr "length".

2011-04-19  Tristan Gingold  <gingold@adacore.com>

        * config.gcc (-*-*-*vms): Added.
        (alpha64-dec-*vms*,alpha*-dec-*vms*, ia64-hp-*vms*): Common
        definitions moved.
        * config/vms/vms-ld.c: New file.
        * config/vms/vms-ar.c: New file.
        * config/vms/t-vmsnative: New file.

2011-04-18  Xinliang David Li  <davidxl@google.com>

        * final.c (dump_basic_block_info): Use ASM_COMMENT_START.

2011-04-18  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/48661
        * gimple-fold.c (gimple_get_virt_method_for_binfo): Return NULL
        if TREE_TYPE (v) is non-NULL.

        * gimple-fold.c (gimple_get_virt_method_for_binfo): Renamed from
        gimple_get_virt_mehtod_for_binfo.
        * gimple.h (gimple_get_virt_method_for_binfo): Likewise.
        * ipa-cp.c (ipcp_process_devirtualization_opportunities): Adjust
        callers.
        * ipa-prop.c (try_make_edge_direct_virtual_call): Likewise.

2011-04-18  Michael Matz  <matz@suse.de>
            Steve Ellcey  <sje@cup.hp.com>

        * expr.c (expand_expr_real_2) <CASE_CONVERT>: If OP0 is a constant,
        use its mode as source mode if it isn't VOIDmode.

2011-04-18  Dennis, CHENG Renquan  <crquan@fedoraproject.org>

        * doc/passes.texi: Fill crossref nodes.

2011-04-18  Jim Meyering  <meyering@redhat.com>

        Fix doubled-word typos in comments and strings
        * config/alpha/vms-unwind.h: s/for for/for/
        * config/arm/unwind-arm.h: Likewise.
        * config/microblaze/microblaze.c: Likewise.
        * config/sh/constraints.md: s/in in/in/
        * tree-cfg.c (verify_types_in_gimple_reference): Likewise.

2011-04-18  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): Remove.
        (AVX_FLOAT_MODE_P): Ditto.
        (AVX128_VEC_FLOAT_MODE_P): Ditto.
        (AVX256_VEC_FLOAT_MODE_P): Ditto.
        (AVX_VEC_FLOAT_MODE_P): Ditto.
        * config/i386/i386.md (UNSPEC_MASKLOAD): Remove.
        (UNSPEC_MASKSTORE): Ditto.
        * config/i386/sse.md (<sse>_movmsk<ssemodesuffix><avxmodesuffix>):
        Merge from <sse>_movmsk<ssemodesuffix> and
        avx_movmsk<ssemodesuffix>256.  Use VF mode iterator.
        (*sse2_maskmovdqu): Merge with *sse2_maskmovdqu_rex64.  Use P mode
        iterator.
        (avx_maskload<ssemodesuffix><avxmodesuffix>): New expander.
        (avx_maskstore<ssemodesuffix><avxmodesuffix>): Ditto.
        (*avx_maskmov<ssemodesuffix><avxmodesuffix>): New insn.

2011-04-18  Jan Hubicka  <jh@suse.cz>

        * ipa-inline.c (inline_small_functions): Fix pasto in previous patch.

        * ipa-inline.c: Fix comment typos; do not inline gt-ipa-inline.h
        (want_inline_function_called_once_p): Break out the logic from
        ipa_inline.
        (edge_badness): Ensure that profile is not misupdated.
        (lookup_recursive_calls): Prioritize by call frequencies.
        (inline_small_functions): Move program size estimates here;
        actually process whole queue even when unit growth has been
        met. (to properly compute inline_failed reasons and for the
        case unit size decrease.) Revisit comments on recursive inlining.
        (ipa_inline): Remove unit summary code; first inline hot calls
        of functions called once, cold calls next.
        (order, nnodes): Remove unused variables.
        * Makefile.in (ipa-inline.o): No longer depent on ggc files.
        (GTFILES): Remove ipa-inline.c
        * sel-sched.c (fill_insns): Silence uninitialized var warning.

2011-04-18  Eric Botcazou  <ebotcazou@adacore.com>

        * dwarf2out.c (is_redundant_typedef): Add 'inline' to prototype.

2011-04-18  Jie Zhang  <jie@codesourcery.com>
            Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (neon_builtin_type_bits): Remove.
        (typedef enum neon_builtin_mode): New.
        (T_MAX): Don't define.
        (typedef enum neon_builtin_datum): Remove bits, codes[],
        num_vars and base_fcode.  Add mode, code and fcode.
        (VAR1, VAR2, VAR3, VAR4, VAR5, VAR6, VAR7, VAR8, VAR9
        VAR10): Change accordingly.
        (neon_builtin_data[]): Change accordingly
        (arm_init_neon_builtins): Change accordingly.
        (neon_builtin_compare): Remove.
        (locate_neon_builtin_icode): Remove.
        (arm_expand_neon_builtin): Change accordingly.

        * arm.h (enum arm_builtins): Move to ...
        * arm.c (enum arm_builtins): ... here; and rearrange builtin code.

        * arm.c (arm_builtin_decl): Declare.
        (TARGET_BUILTIN_DECL): Define.
        (enum arm_builtins): Correct ARM_BUILTIN_MAX.
        (arm_builtin_decls[]): New.
        (arm_init_neon_builtins): Store builtin declarations in
        arm_builtin_decls[].
        (arm_init_tls_builtins): Likewise.
        (arm_init_iwmmxt_builtins): Likewise.  Refactor initialization code.
        (arm_builtin_decl): New.

2011-04-18  Richard Guenther  <rguenther@suse.de>

        * tree.c (upper_bound_in_type): Build properly canonicalized
        INTEGER_CSTs.
        (lower_bound_in_type): Likewise.

2011-04-18  Richard Guenther  <rguenther@suse.de>

        * gimple.h (gimple_call_addr_fndecl): New function.
        (gimple_call_fndecl): Use it.
        * gimple-fold.c (gimple_fold_call): Fold away OBJ_TYPE_REFs
        for direct calls.
        * tree-ssa-ccp.c (ccp_fold_stmt): Remove OBJ_TYPE_REF folding.
        * tree-ssa-pre.c (eliminate): Also simplify indirect OBJ_TYPE_REFs.

2011-04-18  Richard Guenther  <rguenther@suse.de>

        PR middle-end/48650
        * tree.c (build_string): STRING_CST is now derived from tree_typed.

2011-04-18  Eric Botcazou  <ebotcazou@adacore.com>

        PR lto/48492
        * cfgexpand.c (expand_debug_expr) <VAR_DECL>: Return NULL for a
        DECL_IN_CONSTANT_POOL without RTL.

2011-04-18  Ulrich Weigand  <ulrich.weigand@linaro.org>
            Ira Rosen  <ira.rosen@linaro.org>

        PR target/48252
        * config/arm/arm.c (neon_emit_pair_result_insn): Swap arguments
        to match neon_vzip/vuzp/vtrn_internal.
        * config/arm/neon.md (neon_vtrn<mode>_internal): Make both
        outputs explicitly dependent on both inputs.
        (neon_vzip<mode>_internal, neon_vuzp<mode>_internal): Likewise.

2011-04-18  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/48616
        * tree-vect-stmts.c (vectorizable_shift): If SLP, determine
        whether the shift is by scalar or vector based on whether all SLP
        scalar stmts have the same rhs.

2011-04-17  Chung-Lin Tang  <cltang@codesourcery.com>

        * config/arm/arm.c (neon_struct_mem_operand): Support POST_INC/PRE_DEC
        memory operands.

2011-04-17  Richard Sandiford  <rdsandiford@googlemail.com>

        PR target/43700
        * config/mips/mips.c (mips_cfun_call_saved_reg_p): Handle global
        registers.

2011-04-17  Jan Hubicka  <jh@suse.cz>

        * cgrpah.h (struct cgraph_node): Remove finalized_by_frontend.
        * cgrpahunit.c (cgraph_finalize_function): Do not set
        finalized_by_frontend.
        * lto-cgraph.c (lto_output_node, input_overwrite_node): Do not stream
        finalized_by_frontend.

2011-04-17  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_clone_node): Do not handle vtable_method
        * cgraph.h (struct cgraph_local_info): Drop vtable_method.
        * cgraphunit.c (cgraph_copy_node_for_versioning): Drop vtable_method.
        * lto-cgraph.c (lto_output_node, input_overwrite_node): Drop vtable
        method.
        * gimple-fold.c (can_refer_decl_in_current_unit_p): Mention PR20991 in
        gimple-fold.c
        * varasm.c (mark_decl_referenced): Drop vtable_method handling code.

2011-04-17  Eric Botcazou  <ebotcazou@adacore.com>

        PR lto/48538
        * lto-cgraph.c (merge_profile_summaries): Check that lto_file_data
        is non-null before accessing it.
        (input_cgraph): Remove trailing spaces.

2011-04-17  Revital Eres  <revital.eres@linaro.org>

        * params.def (sms-min-sc): New param flag.
        * modulo-sched.c (sms_schedule): Use it.
        * doc/invoke.texi (sms-min-sc): Document it.

2011-04-17  Jan Hubicka  <jh@suse.cz>

        * lto-symtab.c (lto_cgraph_replace_node): When call statement is
        present, also set gimple_call_set_cannot_inline.
        * ipa-inline.c: Update toplevel comment.
        (MAX_TIME): Remove.
        (cgraph_clone_inlined_nodes): Fix linebreaks.
        (cgraph_check_inline_limits): Restructure to ...
        (caller_growth_limits): ... this one; be more tolerant
        on growth in nested inline chains; add explanatory comment;
        fix stack accounting thinko introduced by previous patch.
        (cgraph_default_inline_p): Remove.
        (report_inline_failed_reason): New function.
        (can_inline_edge_p): New function.
        (can_early_inline_edge_p): New function.
        (leaf_node_p): Move upwards in file.
        (want_early_inline_function_p): New function.
        (want_inline_small_function_p): New function.
        (want_inline_self_recursive_call_p): New function.
        (cgraph_edge_badness): Rename to ...
        (edge_badness) ... this one; fix linebreaks.
        (update_edge_key): Update call of edge_baddness; add
        detailed dump about queue updates.
        (update_caller_keys): Use can_inline_edge_p and
        want_inline_small_function_p.
        (cgraph_decide_recursive_inlining): Rename to...
        (recursive_inlining): Use can_inline_edge_p and
        want_inline_self_recursive_call_p; simplify and remove no longer
        valid FIXME.
        (cgraph_set_inline_failed): Remove.
        (add_new_edges_to_heap): Use can_inline_edge_p and
        want_inline_small_function_p.
        (cgraph_decide_inlining_of_small_functions): Rename to ...
        (inline_small_functions): ... this one; cleanup; use
        can/want predicates; cleanup debug ouput; work edges till fibheap
        is exhausted and do not stop once unit growth is reached; remove
        later loop processing remaining edges.
        (cgraph_flatten): Rename to ...
        (flatten_function): ... this one; use can_inline_edge_p
        and can_early_inline_edge_p predicates.
        (cgraph_decide_inlining): Rename to ...
        (ipa_inline): ... this one; remove unreachable nodes before
        inlining functions called once; simplify the pass.
        (cgraph_perform_always_inlining): Rename to ...
        (inline_always_inline_functions): ... this one; use
        DECL_DISREGARD_INLINE_LIMITS; use can_inline_edge_p predicate.
        (cgraph_decide_inlining_incrementally): Rename to ...
        (early_inline_small_functions): ... this one; simplify
        using new predicates; cleanup; make dumps prettier.
        (cgraph_early_inlining): Rename to ...
        (early_inliner): newer inline regular functions into always-inlines;
        fix updating of call stmt summaries.
        (pass_early_inline): Update for new names.
        (inline_transform): Fix formating.
        (gate_cgraph_decide_inlining): Rename to ...
        (pass_ipa_inline): ... this one.
        * ipa-inline.h (inline_summary): Remove disregard_inline_limits.
        * ipa-inline-analysis.c (dump_inline_summary): Update.
        (compute_inline_parameters): Do not compute disregard_inline_limits;
        look for mismatching arguments.
        (estimate_growth): Fix handlig of non-trivial self recursion.
        (inline_read_summary): Do not read info->disregard_inline_limits.
        (inline_write_summary): Do not write info->disregard_inline_limits.
        * tree-inline.c (inline_forbidden_into_p, tree_can_inline_p): Remove
        and move all checks into can_inline_edge_p predicate; re-enable code
        comparing optimization levels.
        (expand_call_inline): Do not test inline_forbidden_into_p.
        * Makefile.in (ipa-inline.o): Update arguments.

2011-04-17  Revital Eres  <revital.eres@linaro.org>

        * ddg.c (free_ddg_all_sccs): Free sccs field in struct ddg_all_sccs.

2011-04-17  Revital Eres  <revital.eres@linaro.org>

        * modulo-sched.c (sms_schedule): Avoid unfreed memory when SMS fails.

2011-04-17  Michael Matz  <matz@suse.de>

        PR tree-optimization/48622
        PR lto/48645
        * ipa-inline-analysis.c (inline_read_summary): Read size/time
        in same order as they're written.

2011-04-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * config/pa/predicates.md: Reorganize and simplify predicates.
        Eliminate duplicate code checks.
        (arith_operand): Rename to arith14_operand
        (reg_or_ior_operand): Rename to reg_or_cint_ior_operand.
        * config/pa/pa.md: Use renamed operands.
        * config/pa/pa-protos.h (symbolic_operand): Delete declaration.
        (tls_symbolic_operand, function_label_operand, lhs_lshift_cint_operand,
        arith11_operand, adddi3_operand, indexed_memory_operand,
        symbolic_memory_operand, int11_operand, reg_or_cint_move_operand,
        arith5_operand, uint5_operand, pic_label_operand, plus_xor_ior_operator,
        borx_reg_operand, shadd_operand, arith_operand, read_only_operand,
        move_dest_operand, move_src_operand, prefetch_cc_operand,
        prefetch_nocc_operand, and_operand, ior_operand, arith32_operand,
        uint32_operand, reg_before_reload_operand, reg_or_0_operand,
        reg_or_0_or_nonsymb_mem_operand, pre_cint_operand, post_cint_operand,
        div_operand, int5_operand, movb_comparison_operator,
        ireg_or_int5_operand, call_operand_address, ior_operand, fp_reg_operand,
        arith_double_operand, ireg_operand, lhs_lshift_operand,
        pc_or_label_operand, non_hard_reg_operand, eq_neq_comparison_operator,
        integer_store_memory_operand): Likewise.
        * config/pa/pa.c (adddi3_operand): Move to predicates.md.
        (integer_store_memory_operand, read_only_operand,
        function_label_operand, borx_reg_operand,
        non_hard_reg_operand): Likewise.
        (eq_neq_comparison_operator): Delete unused operator.
        (legitimize_pic_address): Use VOIDmode for mode argument in calls to
        function_label_operand.
        (emit_move_sequence): Likewise.

2011-04-16  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (sseunpackmode): New mode attribute.
        (ssepackmode): Ditto.
        (vec_pack_trunc_<mode>): Macroize expander from
        vec_pack_trunc_{v8hi,v4si,v2di} using VI248_128 mode iterator.
        (vec_unpacks_lo_<mode>): Macroize expander from
        vec_unpacks_lo_{v16qi,v8hi,v4si} using VI124_128 mode iterator.
        (vec_unpacks_hi_<mode>): Macroize expander from
        vec_unpacks_hi_{v16qi,v8hi,v4si} using VI124_128 mode iterator.
        (vec_unpacku_lo_<mode>): Macroize expander from
        vec_unpacku_lo_{v16qi,v8hi,v4si} using VI124_128 mode iterator.
        (vec_unpacku_hi_<mode>): Macroize expander from
        vec_unpacks_hi_{v16qi,v8hi,v4si} using VI124_128 mode iterator.
        * config/i386/i386.c (ix86_expand_sse_unpack): Merge with
        ix86_expand_sse4_unpack.
        * config/i386/i386-protos.h (ix86_expand_sse4_unpack): Remove.

2011-04-16  Jan Hubicka  <jh@suse.cz>

        * cgraphbuild.c: Include ipa-inline.h.
        (reset_inline_failed): Use initialize_inline_failed.
        * cgraph.c: Include ipa-inline.h.
        (cgraph_create_node_1): Do not initialize estimated_growth.
        (initialize_inline_failed): More to ipa-inline-analysis.c
        (dump_cgraph_node): Do not dump inline flags.
        * cgraph.h (cgraph_local_info): Remove inlineable, versionable
        and disregard_inline_limits flags.
        (cgrpah_global_info): Remove estimated_stack_size, stack_frame_offset,
        time, size, estimated_growth.
        * ipa-cp.c (ipcp_versionable_function_p, ipcp_generate_summary):
        Update.
        * cgraphunit.c (cgraph_decide_is_function_needed): Use
        DECL_DISREGARD_INLINE_LIMITS.
        (cgraph_analyze_function): Do not initialize
        node->local.disregard_inline_limits.
        * lto-cgraph.c (lto_output_node, input_overwrite_node): Do not stream
        inlinable, versionable and disregard_inline_limits.
        * ipa-inline.c (cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
        cgraph_check_inline_limits, cgraph_default_inline_p,
        cgraph_edge_badness, update_caller_keys, update_callee_keys,
        add_new_edges_to_heap): Update.
        (cgraph_decide_inlining_of_small_function): Update; set
        CIF_FUNCTION_NOT_INLINABLE for uninlinable functions.
        (cgraph_decide_inlining, cgraph_edge_early_inlinable_p,
        cgraph_decide_inlining_incrementally): Update.
        * ipa-inline.h (inline_summary): Add inlinable, versionable,
        disregard_inline_limits, estimated_stack_size, stack_frame_offset,
        time, size and estimated_growth parameters.
        (estimate_edge_growth): Update.
        (initialize_inline_failed): Declare.
        * ipa-split.c: Include ipa-inline.h
        (execute_split_functions): Update.
        * ipa.c (cgraph_postorder): Use DECL_DISREGARD_INLINE_LIMITS.
        (cgraph_remove_unreachable_nodes): Do not clear inlinable flag.
        (record_cdtor_fn): Use DECL_DISREGARD_INLINE_LIMITS.
        * ipa-inline-analysis.c (inline_node_removal_hook): Update; set
        estimated_growth to INT_MIN.
        (inline_node_duplication_hook): Likewise.
        (dump_inline_summary): Dump new fields.
        (compute_inline_parameters): Update.
        (estimate_edge_time, estimate_time_after_inlining,
        estimate_size_after_inlining, estimate_growth, inline_read_summary,
        inline_write_summary):
        (initialize_inline_failed): Move here from cgraph.c.
        * tree-sra.c: Include ipa-inline.h.
        (ipa_sra_preliminary_function_checks): Update.
        * Makefile.in (cgraph.o, cgraphbuild.o): Add dependency on
        ipa-inline.h.

2011-04-16  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (V16): New mode iterator.
        (VI1, VI8): Ditto.
        (AVXMODEQI, AVXMODEDI): Remove.
        (sse2, sse3): New mode attribute.
        (mov<mode>): Use V16 mode iterator.
        (*mov<mode>_internal): Merge with *avx_mov<mode>_internal.
        (push<mode>1): Use V16 mode iterator.
        (movmisalign<mode>): Ditto.
        (<sse>_movu<ssemodesuffix><avxmodesuffix>): Merge from
        <sse>_movu<ssemodesuffix> and avx_movu<ssemodesuffix><avxmodesuffix>.
        (*<sse>_movu<ssemodesuffix><avxmodesuffix>): Merge from
        *<sse>_movu<ssemodesuffix> and *avx_movu<ssemodesuffix><avxmodesuffix>.
        (<sse2>_movdqu<avxmodesuffix>): Merge from sse2_movdqu and
        avx_movdqu<avxmodesuffix>.
        (*<sse2>_movdqu<avxmodesuffix>): Merge from *sse2_movdqu and
        *avx_movdqu<avxmodesuffix>.
        (<sse3>_lddqu<avxmodesuffix>) Merge from sse3_lddqu and
        avx_lddqu<avxmodesuffix>.
        (<sse>_movnt<mode>): Merge with avx_movnt<AVXMODEF2P:mode>.
        (<sse2>_movnt<mode>): Merge from sse2_movntv2di and
        avx_movnt<AVXMODEDI:mode>.
        * config/i386/i386.c (ix86_expand_vector_move_misalign): Update for
        renamed sse_movups, sse2_movupd and sse2_movdqu patterns.

2011-04-16  Bernd Schmidt  <bernds@codesourcery.com>

        PR target/48629
        * haifa-sched.c (prune_ready_list, schedule_block): Use
        sched_pressure_p rather than flag_sched_pressure.

2011-04-15  Pat Haugen  <pthaugen@us.ibm.com>

        * config/rs6000/rs6000.c (call_ABI_of_interest): Call
        cgraph_get_node instead of cgraph_get_create_node.

2011-04-15  Jakub Jelinek  <jakub@redhat.com>

        * cfgexpand.c (expand_debug_expr): Use
        simplify_gen_{unary,binary,ternary} instead of gen_rtx_*.

2011-04-15  Michael Matz  <matz@suse.de>

        * tree.h (ALLOCA_FOR_VAR_P): Rename to CALL_ALLOCA_FOR_VAR_P.
        * builtins.c (expand_builtin): Use CALL_ALLOCA_FOR_VAR_P.
        * function.c (gimplify_parameters): Ditto.
        * gimplify.c (gimplify_vla_decl): Ditto.

        * gimple.h (enum gf_mask): Add GF_CALL_ALLOCA_FOR_VAR.
        (gimple_call_set_alloca_for_var): New inline function.
        (gimple_call_alloca_for_var_p): Ditto.
        * gimple.c (gimple_build_call_from_tree): Remember
        CALL_ALLOCA_FOR_VAR_P state.
        * cfgexpand.c (expand_call_stmt): Restore CALL_ALLOCA_FOR_VAR_P state.

        * tree-inline.c (inline_forbidden_p_stmt): Don't reject alloca
        calls if they were for VLA objects.

2011-04-15  Martin Jambor  <mjambor@suse.cz>

        * ipa-prop.c (ipa_analyze_virtual_call_uses): Remove handling
        of ADR_EXPRs.

2011-04-15  Martin Jambor  <mjambor@suse.cz>

        PR middle-end/48601
        * tree-emutls.c (lower_emutls_function_body): Call
        cgraph_get_create_node instead of cgraph_get_node.  Do not assert the
        result is non-NULL.

2011-04-15  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-decl.c (detect_field_duplicates): Call
        objc_detect_field_duplicates instead of objc_get_interface_ivars.

2011-04-15  Nathan Froyd  <froydnj@codesourcery.com>

        * gimple.h (gimple_asm_clobbers_memory_p): Declare.
        * gimple.c (gimple_asm_clobbers_memory_p): Define.
        * ipa-pure-const.c (check_stmt): Call it.
        * tree-ssa-operands.c (get_asm_expr_operands): Likewise.

2011-04-15  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/48290
        * tree-ssa-copy.c (copy_prop_visit_phi_node): Propagate constants.
        Properly decide inhibiting propagation based on the valueized
        operand.  Do loop-closed SSA form preserving here ...
        (init_copy_prop): ... not here.

2011-04-15  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/48612
        * config/i386/sse.md (*ieee_smin<mode>3): Switch mnemonics.
        (*ieee_smax<mode>3): Likewise.

2011-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.md (popcountdi2, popcountsi2, popcounthi2):
        Replace match_operand with match_dup for the third operand in
        these expanders.

2011-04-15  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * combine.c (subst, combine_simlify_rtx): Add new argument, use it
        to track processing of conditionals.  Update all callers.
        (try_combine, simplify_if_then_else): Update.

2011-04-15  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * config/m68k/m68k.c (m68k_sched_variable_issue): Handle
        -fsched-pressure.

2011-04-15  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/avr.md ("rotl<mode>3",mode=HIDI): Use match_dup
        instead of match_operand for operand 3.

2011-04-15  Richard Sandiford  <richard.sandiford@linaro.org>

        * recog.h (insn_operand_data): Add an "allows_mem" field.
        * genoutput.c (output_operand_data): Initialize it.
        * optabs.c (maybe_legitimize_operand_same_code): New function.
        (maybe_legitimize_operand): Use it when matching the original
        op->value.

2011-04-15  Eric Botcazou  <ebotcazou@adacore.com>

        * gimplify.c: Fix issues in comments throughout.
        (voidify_wrapper_expr): Fix long line.
        (build_stack_save_restore): Likewise.
        (gimplify_loop_expr): Likewise.
        (gimplify_compound_lval): Likewise.
        (gimplify_init_ctor_eval): Likewise.
        (gimplify_modify_expr_rhs): Likewise.
        (omp_notice_threadprivate_variable): Likewise.

2011-04-15  Eric Botcazou  <ebotcazou@adacore.com>

        * cfgexpand.c (expand_call_stmt): Convert the function type to the
        original one if this is not a builtin function.

2011-04-14  Jakub Jelinek  <jakub@redhat.com>

        PR target/48605
        * config/i386/sse.md (sse4_1_insertps): If operands[2] is a MEM,
        offset it as needed based on top 2 bits in operands[3], change
        MEM mode to SFmode and mask those 2 bits away from operands[3].

2011-04-14  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-parser.c (c_parser_objc_protocol_definition): Updated for
        change from objc_declare_protocols() to objc_declare_protocol().

2011-04-14  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (sse4_1): New mode attribute.
        (<sse4_1>_blend<ssemodesuffix><avxmodesuffix>): Macroize from
        avx_blend<ssemodesuffix><avxmodesuffix> and
        sse4_1_blend<ssemodesuffix> using VF mode iterator.
        (<sse4_1>_blendv<ssemodesuffix><avxmodesuffix>): Macroize from
        avx_blendv<ssemodesuffix><avxmodesuffix> and
        sse4_1_blendv<ssemodesuffix> using VF mode iterator.
        (<sse4_1>_dp<ssemodesuffix><avxmodesuffix>): Macroize from
        avx_dp<ssemodesuffix><avxmodesuffix> and
        sse4_1_dp<ssemodesuffix> using VF mode iterator.
        (sse4_1_mpsadbw): Merge with *avx_mpsadbw.
        (sse4_1_packusdw): Merge with *avx_packusdw.
        (sse4_1_pblendvb): Merge with *avx_pblendvb.
        (sse4_1_pblendw): Merge with *avx_pblendw.
        (avx_vtest<ssemodesuffix><avxmodesuffix>): Use VF mode iterator.
        (<sse4_1>_round<ssemodesuffix><avxmodesuffix>): Macroize from
        avx_round<ssemodesuffix>256 and sse4_1_round<ssemodesuffix> using
        VF mode iterator.
        (sse4_1_round<ssescalarmodesuffix>): Merge with
        *avx_round<ssescalarmodesuffix>.
        (aesenc): Merge with *avx_aesenc.
        (aesenclast): Merge with *avx_aesenclast.
        (aesdec): Merge with *avx_aesdec.
        (aesdeclast): Merge with *avx_aesdeclast.
        (pclmulqdq): Merge with *pclmulqdq.
        * config/i386/predicates.md (reg_not_xmm0_operand_maybe_avx):
        New predicate.
        (nonimm_not_xmm0_operand_maybe_avx): Ditto.

2011-04-14  H.J. Lu  <hongjiu.lu@intel.com>

        PR middle-end/48608
        * cfgexpand.c (get_decl_align_unit): Renamed to ...
        (align_local_variable): This.  Update DECL_ALIGN.
        (add_stack_var): Updated.
        (expand_one_stack_var): Likewise.

2011-04-14  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-dse.c (struct dse_global_data, struct dse_block_local_data):
        Remove.
        (dse_initialize_block_local_data, dse_leave_block,
        record_voperand_set, get_stmt_uid): Likewise.
        (dse_possible_dead_store_p): Allow any kind of killing stmt.
        (dse_optimize_stmt): Remove voperand set handling code.
        Simplify and improve to handle any kind of killing stmt.
        (dse_record_phi): Remove.
        (dse_enter_block): Simplify.
        (tree_ssa_dse): Likewise.
        * tree-ssa-alias.c (stmt_kills_ref_p_1): Handle some builtins.

2011-04-14  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (dump_cgraph_node): Do not dump inline summaries.
        * cgraph.h (struct inline_summary): Move to ipa-inline.h
        (cgraph_local_info): Remove inline_summary.
        * ipa-cp.c: Include ipa-inline.h.
        (ipcp_cloning_candidate_p, ipcp_estimate_growth,
        ipcp_estimate_cloning_cost, ipcp_insert_stage): Use inline_summary
        accesor.
        * lto-cgraph.c (lto_output_node): Do not stream inline summary.
        (input_overwrite_node): Do not set inline summary.
        (input_node): Do not stream inline summary.
        * ipa-inline.c (cgraph_decide_inlining): Dump inline summaries.
        (cgraph_decide_inlining_incrementally): Do not try to estimate overall
        growth; we do not have inline parameters computed for that anyway.
        (cgraph_early_inlining): After inlining compute call_stmt_sizes.
        * ipa-inline.h (struct inline_summary): Move here from ipa-inline.h
        (inline_summary_t): New type and VECtor.
        (debug_inline_summary, dump_inline_summaries): Declare.
        (inline_summary): Use VOCtor.
        (estimate_edge_growth): Kill hack computing call stmt size directly.
        * lto-section-in.c (lto_section_name): Add inline section.
        * ipa-inline-analysis.c: Include lto-streamer.h
        (node_removal_hook_holder, node_duplication_hook_holder): New holders
        (inline_node_removal_hook, inline_node_duplication_hook): New functions.
        (inline_summary_vec): Define.
        (inline_summary_alloc, dump_inline_summary, debug_inline_summary,
        dump_inline_summaries): New functions.
        (estimate_function_body_sizes): Properly compute size/time of outgoing
        calls.
        (compute_inline_parameters): Alloc inline_summary; do not compute
        size/time of incomming calls.
        (estimate_edge_time): Avoid missing time summary hack.
        (inline_read_summary): Read inline summary info.
        (inline_write_summary): Write inline summary info.
        (inline_free_summary): Free all hooks and inline summary vector.
        * lto-streamer.h: Add LTO_section_inline_summary section.
        * Makefile.in (ipa-cp.o, ipa-inline-analysis.o): Update dependencies.
        * ipa.c (cgraph_remove_unreachable_nodes): Fix dump file formating.

2011-04-14  Richard Sandiford  <richard.sandiford@linaro.org>

        * tree-vectorizer.h (vect_strided_store_supported): Add a
        HOST_WIDE_INT argument.
        (vect_strided_load_supported): Likewise.
        (vect_permute_store_chain): Return void.
        (vect_transform_strided_load): Likewise.
        (vect_permute_load_chain): Delete.
        * tree-vect-data-refs.c (vect_strided_store_supported): Take a
        count argument.  Check that the count is a power of two.
        (vect_strided_load_supported): Likewise.
        (vect_permute_store_chain): Return void.  Update after above changes.
        Assert that the access is supported.
        (vect_permute_load_chain): Likewise.
        (vect_transform_strided_load): Return void.
        * tree-vect-stmts.c (vectorizable_store): Update calls after
        above interface changes.
        (vectorizable_load): Likewise.
        (vect_analyze_stmt): Don't check for strided powers of two here.

2011-04-14  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/48590
        * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle
        BUILT_IN_ALLOCA, BUILT_IN_STACK_SAVE and BUILT_IN_STACK_RESTORE.
        (call_may_clobber_ref_p_1): Handle BUILT_IN_ALLOCA and
        BUILT_IN_STACK_SAVE.
        * tree-ssa-dce.c (propagate_necessity): Handle
        BUILT_IN_ALLOCA, BUILT_IN_STACK_SAVE and BUILT_IN_STACK_RESTORE.

2011-04-14  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-parser.c (c_parser_objc_class_declaration): Updated call to
        objc_declare_class.

2011-04-14  Richard Guenther  <rguenther@suse.de>

        * tree.h (get_object_alignment_1): Declare.
        * builtins.c (get_object_alignment_1): Split out worker from ...
        (get_object_alignment): ... here.
        * fold-const.c (get_pointer_modulus_and_residue): Use
        get_object_alignment_1.

2011-04-14  Richard Sandiford  <richard.sandiford@linaro.org>

        * tree-vectorizer.h (vect_create_data_ref_ptr): Add an extra
        type parameter.
        * tree-vect-data-refs.c (vect_create_data_ref_ptr): Add an aggr_type
        parameter.  Generalise code to handle arrays as well as vectors.
        (vect_setup_realignment): Update accordingly.
        * tree-vect-stmts.c (vectorizable_store): Likewise.
        (vectorizable_load): Likewise.

2011-04-14  Richard Sandiford  <richard.sandiford@linaro.org>

        * tree-vect-stmts.c (vectorizable_load): Allocate and free dr_chain
        within the per-copy loop.

2011-04-14  Richard Sandiford  <richard.sandiford@linaro.org>

        * tree-vect-stmts.c (vectorizable_load): Print the number of copies
        in the dump file.

2011-04-14  Richard Sandiford  <richard.sandiford@linaro.org>

        * doc/options.texi (Negative): Explicitly mention that the
        Negative chain must be circular.

2011-04-14  Nathan Froyd  <froydnj@codesourcery.com>

        * function.h (block_chainon): Declare.
        * function.c (block_chainon): Define.

2011-04-14  Anatoly Sokolov  <aesok@post.ru>
            Eric Weddington  <eric.weddington@atmel.com>
            Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/avr.c ("insn-codes.h", "optabs.h", "langhooks.h"):
        New Includes
        (avr_init_builtins, avr_expand_builtin,
        avr_expand_delay_cycles, avr_expand_unop_builtin,
        avr_expand_binop_builtin ): New functions.
        (avr_builtin_id): New enum
        (struct avr_builtin_description): New struct
        (bdesc_1arg, bdesc_2arg): New arrays describing some RTL builtins.
        (TARGET_INIT_BUILTINS, TARGET_EXPAND_BUILTIN): Define.

        * config/avr/avr.md (UNSPEC_FMUL, UNSPEC_FMULS, UNSPEC_FMULSU,
        UNSPECV_ENABLE_IRQS, UNSPECV_NOP, UNSPECV_SLEEP, UNSPECV_WDR,
        UNSPECV_DELAY_CYCLES): new enumeration values
        (UNSPEC_SEI, UNSPEC_CLI): Remove enumeration values
        ("enable_interrupt"): Use UNSPECV_ENABLE_IRQS
        ("disable_interrupt"): Use UNSPECV_ENABLE_IRQS
        ("*rotlqi3_4"): rename insn to "rotlqi3_4"
        ("delay_cycles_1", "delay_cycles_2", "delay_cycles_3",
        "delay_cycles_4", "nopv", "sleep", "wdr", "fmul", "fmuls",
        "fmulsu"): New insns

        * config/avr/avr-c.c: fix line endings
        (avr_cpu_cpp_builtins): New builtin defines: __BUILTIN_AVR_NOP,
        __BUILTIN_AVR_SEI, __BUILTIN_AVR_CLI, __BUILTIN_AVR_WDR,
        __BUILTIN_AVR_SLEEP, __BUILTIN_AVR_SWAP,
        __BUILTIN_AVR_DELAY_CYCLES, __BUILTIN_AVR_FMUL,
        __BUILTIN_AVR_FMULS, __BUILTIN_AVR_FMULSU.

        * doc/extend.texi (AVR Built-in Functions): New node
        (Target Builtins): Add documentation of AVR
        built-in functions.

2011-04-14  Georg-Johann Lay  <avr@gjlay.de>

        PR target/44643
        * config/avr/avr.c (avr_insert_attributes): Leave TREE_READONLY
        alone. Error if non-const data has attribute progmem.

2011-04-13  Nathan Froyd  <froydnj@codesourcery.com>

        * tree.h (struct tree_constructor): Include tree_typed instead of
        tree_common.
        * tree.c (initialize_tree_contains_struct): Mark TS_CONSTRUCTOR as
        TS_TYPED instead of TS_COMMON.

2011-04-13  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (*sse2_uavgv16qi3): Merge with *avx_uavgv16qi3.
        (*sse2_uavgv8hi3): Merge with *avx_uavgv8hi3.
        (sse2_psadbw): Merge with *avx_psadbw.
        (ssse3_phaddwv8hi3): Merge with *avx_phaddwv8hi3.
        (ssse3_phadddv4si3): Merge with *avx_phadddv4si3.
        (ssse3_phaddswv8hi3): Merge with *avx_phaddswv8hi3.
        (ssse3_phsubwv8hi3): Merge with *avx_phsubwv8hi3.
        (ssse3_phsubdv4si3): Merge with *avx_phsubdv4si3.
        (ssse3_phsubswv8hi3): Merge with *avx_phsubswv8hi3.
        (ssse3_pmaddubsw128): Merge with *avx_pmaddubsw128.
        (*ssse3_pmulhrswv8hi3): Merge with *avx_pmulhrswv8hi3.
        (ssse3_pshufbv16qi3): Merge with *avx_pshufbv16qi3.
        (ssse3_psign<mode>3): Merge with *avx_psign<mode>3.
        (ssse3_palignrti): Merge with *avx_palignrti.

2011-04-13  Nathan Froyd  <froydnj@codesourcery.com>

        * tree-flow.h (struct gimple_df): Make free_ssanames a VEC.
        * tree-ssanames.c (fini_ssanames): VEC_free it.
        (make_ssa_name_fn): Update for VECness of free_ssanames.
        (release_ssa_name, release_dead_ssa_names): Likewise.
        * tree.h (struct tree_ssa_name): Include tree_typed instead of
        tree_common.
        * tree.c (initialize_tree_contains_struct): Mark TS_SSA_NAME as
        TS_TYPED instead of TS_COMMON.

2011-04-13  Nathan Froyd  <froydnj@codesourcery.com>

        * postreload-gcse.c (gcse_after_reload_main): Add calls to
        statistics_counter_event.
        * tree-ssa-copyrename.c (stats): Define.
        (rename_ssa_copies): Count coalesced SSA_NAMEs.  Add call to
        statistics_counter_event.
        * tree-ssa-math-opts.c (reciprocal_stats, sincos_stats): Define.
        (bswap_stats, widen_mul_stats): Define.
        (insert_reciprocals): Increment rdivs_inserted.
        (execute_cse_reciprocals): Zeroize reciprocal_stats.  Increment
        rfuncs_inserted.  Add calls to statistics_counter_event.
        (execute_cse_sincos_1): Increment inserted.
        (execute_cse_sincos): Zeroize sincos_stats.  Add call to
        statistics_counter_event.
        (execute_optimize_bswap): Zeroize bswap_stats.  Increment fields
        of bswap_stats.  Add calls to statistics_counter_event.
        (convert_mult_to_widen): Increment widen_mults_inserted.
        (convert_plusminus_to_widen): Increment maccs_inserted.
        (convert_mult_to_fma): Increment fmas_inserted.
        (execute_optimize_widening_mul): Zeroize widen_mul_stats.  Add
        calls to statistics_counter_event.

2011-04-13  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/48455
        * ira-costs.c (find_costs_and_classes): Use i_mem_cost instead of
        `temp_costs->mem_cost'.

2011-04-13  Jan Hubicka  <jh@suse.cz>

        * ipa-inline.h: New file.
        * ipa-inline-analysis.c: New file. Broken out of ...
        * ipa-inline.c: ... this file; update toplevel comment;
        include ipa-inline.h
        (inline_summary): Move to ipa-inline.h
        (cgraph_estimate_edge_time): Rename to estimate_edge_time; move to
        ipa-inline-analysis.c.
        (cgraph_estimate_time_after_inlining): Rename to
        estiamte_time_after_inlining; move to ipa-inline-analysis.c
        (cgraph_estimate_edge_growth): Move to ipa-inline-analysis.c; rename
        to estimate_edge_growth.
        (cgraph_estimate_size_after_inlining): Move to ipa-inline-analysis.c;
        rename to estimate_size_after_inlining.
        (cgraph_mark_inline_edge): Update for new naming convention.
        (cgraph_check_inline_limits): Likewise.
        (cgraph_edge_badness): Likewise.
        (cgraph_decide_recursive_inlining): Likewise.
        (cgraph_decide_inlining_of_small_functions): Likewise.
        (cgraph_decide_inlining_incrementally): Likewise.
        (cgraph_estimate_growth): Rename to estimate_growth; move to
        ipa-inline-analysis.c.
        (eliminated_by_inlining_prob): Move to ipa-inline-analysis.c.
        (estimate_function_body_sizes): Move to ipa-inline-analysis.c.
        (compute_inline_parameters): Likewise.
        (compute_inline_parameters_for_current): Likewise.
        (pass_inline_parameters): Likewise.
        (inline_indirect_intraprocedural_analysis): Likewise.
        (analyze_function): Rename to inline_analyze_function; likewise.
        (add_new_function): Move to ipa-inline-analysis.c.
        (inline_generate_summary): Likewise.
        (inline_read_summary): Likewise.
        (inline_write_summary): Likewise.
        * Makefile.in (ipa-inline-analysis.c): New file.

2011-04-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac (gcc_cv_as_sparc_gotdata_op): Remove GNU ld check.
        * configure: Regenerate.

2011-04-13  Nathan Froyd  <froydnj@codesourcery.com>

        * tree.h (struct tree_int_cst, struct real_value): Include tree_typed
        instead of tree_common.
        (struct tree_fixed_cst, struct tree_string, struct tree_complex):
        Likewise.
        * tree.c (initialize_tree_contains_struct): Mark such nodes as being
        TS_TYPED rather than TS_COMMON.
        * print-tree.c (print_node) [STRING_CST]: Don't print TREE_CHAIN.

2011-04-01  Georg-Johann Lay  <avr@gjlay.de>

        PR target/45263
        * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Don't use
        r20 around calls of __tablejump_elpm__

2011-04-13  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/48591
        * omp-low.c (expand_omp_atomic_fetch_op): Return false if decl is
        NULL.
        (expand_omp_atomic_pipeline): Return false if cmpxchg is NULL.

2011-04-13  Bernd Schmidt  <bernds@codesourcery.com>

        * dwarf2out.c (struct dw_cfi_struct): Remove member dw_cfi_next.
        (dw_cfi_ref): Add DEF_VEC_P and some DEF_VEC_ALLOC_Ps.
        (cfi_vec): New typedef.
        (struct dw_fde_struct): Make dw_fde_cfi a cfi_vec. Replace
        dw_fde_switch_cfi with an integer dw_fde_switch_cfi_index.
        (cie_cfi_vec): New static variable.
        (cie_cfi_head): Delete.
        (add_cfi): Accept a cfi_vec * as first argument. All callers and
        declaration changed. Use vector rather than list operations.
        (new_cfi): Don't initialize the dw_cfi_next field.
        (add_fde_cfi): Allocate cie_cfi_vec if necessary. Use vector
        rather than list operations.
        (lookup_cfa): Use vector rather than list operations.
        (output_cfis): New argument upto. Accept a cfi_vec rather than
        a dw_cfi_ref list head as argument. All callers changed.
        Iterate over the vector using upto as a maximum index.
        (output_all_cfis): New static function.
        (output_fde): Use vector rather than list operations. Use the
        new upto argument for output_cfis rather than manipulating a
        list.
        (dwarf2out_begin_prologue): Change initializations to match
        new struct members.
        (dwarf2out_switch_text_section): Initialize dw_fde_switch_cfi_index
        from the vector length rather than searching for the end of a list.
        Use output_all_cfis.
        (convert_cfa_to_fb_loc_list): Use vector rather than list operations.

2011-04-13  Nick Clifton  <nickc@redhat.com>

        * config/rx/rx.md (movmemsi): Do not use this pattern when
        volatile pointers are involved.

2011-04-13  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (pinsrbits): Remove.
        (sse2_packsswb): Merge with *avx_packsswb.
        (sse2_packssdw): Merge with *avx_packssdw.
        (sse2_packuswb): Merge with *avx_packuswb.
        (vec_interleave_highv16qi): Merge with *avx_interleave_highv16qi.
        (vec_interleave_lowv16qi): Merge with *avx_interleave_lowv16qi.
        (vec_interleave_highv8hi): Merge with *avx_interleave_highv8hi.
        (vec_interleave_lowv8hi): Merge with *avx_interleave_lowv8hi.
        (vec_interleave_highv4si): Merge with *avx_interleave_highv4si.
        (vec_interleave_lowv4si): Merge with *avx_interleave_lowv4si.
        (*sse4_1_pinsrb): Merge with *avx_pinsr<ssevecsize>.
        (*sse2_pinsrw): Merge with *avx_pinsr<ssevecsize>.
        (*sse4_1_pinsrd): Merge with *avx_pinsr<ssevecsize>.
        (*sse4_1_pinsrq): Merge with *avx_pinsrq.
        (sse2_loadld): Merge with *avx_loadld.
        (*vec_extractv2di_1_rex64): Merge with *vec_extractv2di_1_rex64_avx.
        (*vec_extractv2di_1_sse2): Merge with *vec_extractv2di_1_avx.
        (*vec_concatv2si_sse4_1): Merge with *vec_concatv2si_avx.
        (*vec_concatv2di_rex64_sse4_1): Merge with *vec_concatv2di_rex64_avx.
        (vec_concatv2di): Merge with *vec_concatv2di_avx.

2011-04-12  Nathan Froyd  <froydnj@codesourcery.com>

        * c-decl.c (union lang_tree_node): Check for TS_COMMON before
        calling TREE_CHAIN.
        * print-tree.c (print_node): Likewise.
        * tree-inline.c (copy_tree_r): Likewise.
        * c-lang.c (LANG_HOOKS_INIT_TS): Define.
        * lto-streamer-in.c (lto_input_tree_pointers): Check for TS_TYPED
        instead of TS_COMMON.
        * lto-streamer-out.c (lto_output_tree_pointers): Likewise.
        * tree.c (initialize_tree_contains_struct): Handle TS_TYPED.
        (copy_node_stat): Zero TREE_CHAIN only if necessary.
        (MARK_TS_BASE, MARK_TS_TYPED, MARK_TS_COMMON): Move these...
        (MARK_TS_DECL_COMMON, MARK_TS_DECL_COMMON, MARK_TS_DECL_WRTL):
        ...and these...
        (MARK_TS_DECL_WITH_VIS, MARK_TS_DECL_NON_COMMON): ...and these...
        * tree.h: ...here.
        (TREE_CHAIN): Check for a TS_COMMON structure.
        (TREE_TYPE): Check for a TS_TYPED structure.

2011-04-12  Pat Haugen  <pthaugen@us.ibm.com>

        * config/rs6000/rs6000.c (call_ABI_of_interest): Call
        cgraph_get_create_node instead of cgraph_node.

2011-04-12  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-parser.c (c_parser_initelt): Updated call to
        objc_build_message_expr.
        (c_parser_postfix_expression): Likewise.

2011-04-12  Kai Tietz  <ktietz@redhat.com>

        * config/i386/mingw32.h (TARGET_SUBTARGET_DEFAULT): Add
        MASK_MS_BITFIELD_LAYOUT bit.

2011-04-12  Jakub Jelinek  <jakub@redhat.com>

        * combine.c (update_cfg_for_uncondjump): Instead of testing at_end
        assert it is always true.
        (try_combine): Don't call update_cfg_for_uncondjump for noop non-jump
        moves.

2011-04-12  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-parser.c (c_lex_one_token): Rewritten conditional used when
        compiling Objective-C to be more efficient.

2011-04-12  Axel Freyn  <axel-freyn@gmx.de>

        * opts-common.c (decode_cmdline_options_to_array): Remove variable
        argv_copied.

2011-04-12  Richard Sandiford  <richard.sandiford@linaro.org>

        * recog.h, genoutput.c, optabs.c: Revert last patch.

2011-04-12  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

        PR target/48090
        * config/arm/arm.md (*arm_negdi2): Fix early clobber constraints.

2011-04-12  Richard Sandiford  <richard.sandiford@linaro.org>

        * recog.h (insn_operand_data): Add an "allows_mem" field.
        * genoutput.c (output_operand_data): Initialize it.
        * optabs.c (maybe_legitimize_operand_same_code): New function.
        (maybe_legitimize_operand): Use it when matching the original
        op->value.

2011-04-12  Richard Sandiford  <richard.sandiford@linaro.org>

        * genpreds.c (process_define_predicate): Move most processing
        to gensupport.c.  Continue to validate the expression.
        * genrecog.c (did_you_mean_codes, compute_predicate_codes)
        (process_define_predicate): Move processing to gensupport.c.
        (main): Remove DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE cases.
        * gensupport.c (did_you_mean_codes): Moved from genrecog.c.
        (compute_predicate_codes): Moved from genrecog.c.  Add lineno
        argument.
        (valid_predicate_name_p): New function, split out from old
        genpreds.c:process_define_predicate.
        (process_define_predicate): New function, combining code from
        old genpreds.c and genrecog.c functions.
        (process_rtx): Call it for DEFINE_PREDICATE and
        DEFINE_SPECIAL_PREDICATE.

2011-04-12  Richard Sandiford  <richard.sandiford@linaro.org>

        * config/arm/arm.c (arm_print_operand): Use MEM_SIZE to get the
        size of a '%A' memory reference.
        (T_DREG, T_QREG): New neon_builtin_type_bits.
        (arm_init_neon_builtins): Assert that the load and store operands
        are neon_struct_operands.
        (locate_neon_builtin_icode): Provide the neon_builtin_type_bits.
        (NEON_ARG_MEMORY): New builtin_arg.
        (neon_dereference_pointer): New function.
        (arm_expand_neon_args): Add a neon_builtin_type_bits argument.
        Handle NEON_ARG_MEMORY.
        (arm_expand_neon_builtin): Update after above interface changes.
        Use NEON_ARG_MEMORY for loads and stores.
        * config/arm/predicates.md (neon_struct_operand): New predicate.
        * config/arm/iterators.md (V_two_elem): Tweak formatting.
        (V_three_elem): Use BLKmode for accesses that have no associated mode.
        (V_four_elem): Tweak formatting.
        * config/arm/neon.md (neon_vld1<mode>, neon_vld1_dup<mode>)
        (neon_vst1_lane<mode>, neon_vst1<mode>, neon_vld2<mode>)
        (neon_vld2_lane<mode>, neon_vld2_dup<mode>, neon_vst2<mode>)
        (neon_vst2_lane<mode>, neon_vld3<mode>, neon_vld3_lane<mode>)
        (neon_vld3_dup<mode>, neon_vst3<mode>, neon_vst3_lane<mode>)
        (neon_vld4<mode>, neon_vld4_lane<mode>, neon_vld4_dup<mode>)
        (neon_vst4<mode>): Replace pointer operand with a memory operand.
        Use %A in the output template.
        (neon_vld3qa<mode>, neon_vld3qb<mode>, neon_vst3qa<mode>)
        (neon_vst3qb<mode>, neon_vld4qa<mode>, neon_vld4qb<mode>)
        (neon_vst4qa<mode>, neon_vst4qb<mode>): Likewise, but halve
        the width of the memory access.  Remove post-increment.
        * config/arm/neon-testgen.ml: Allow addresses to have an alignment.

2011-04-12  Nick Clifton  <nickc@redhat.com>

        * config/v850/v850.c (expand_prologue): Do not use the CALLT
        instruction for interrupt handlers if the target is the basic V850
        architecture.
        (expand_epilogue): Likewise.

2011-04-12  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/48549
        * combine.c (propagate_for_debug): Also stop after BB_END of
        this_basic_block.  Process LAST and just stop processing after it.
        (combine_instructions): If last_combined_insn has been deleted,
        set last_combined_insn to its PREV_INSN.

2011-04-12  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/46076
        * gimple.h (struct gimple_statement_call): Add fntype field.
        (gimple_call_fntype): Adjust.
        (gimple_call_set_fntype): New function.
        * gimple.c (gimple_build_call_1): Set the call function type.
        * gimplify.c (gimplify_call_expr): Preserve the function
        type the frontend used for the call.
        (gimplify_modify_expr): Likewise.
        * lto-streamer-in.c (input_gimple_stmt): Input the call stmts
        function type.
        * lto-streamer-out.c (output_gimple_stmt): Output the call stmts
        function type.
        * tree-ssa.c (useless_type_conversion_p): Function pointer
        conversions are useless.

2011-04-12  Martin Jambor  <mjambor@suse.cz>

        * cgraph.h (cgraph_node): Remove function declaration.
        (cgraph_create_node): Declare.
        (cgraph_get_create_node): Likewise.
        * cgraph.c (cgraph_create_node): Renamed to cgraph_create_node_1.
        Updated all callers.
        (cgraph_node): Renamed to cgraph_create_node, assert that a node for
        the decl does not already exist.  Call cgraph_get_create_node instead
        of cgraph_node.
        (cgraph_get_create_node): New function.
        (cgraph_same_body_alias): Update comment.
        (cgraph_set_call_stmt): Call cgraph_get_node instead of cgraph_node,
        assert it does not return NULL.
        (cgraph_update_edges_for_call_stmt): Likewise.
        (cgraph_clone_edge): Likewise.
        (cgraph_create_virtual_clone): Likewise.
        (cgraph_update_edges_for_call_stmt_node): Call cgraph_get_create_node
        instead of cgraph_node.
        (cgraph_add_new_function): Call cgraph_create_node or
        cgraph_get_create_node instead of cgraph_node.
        * cgraphbuild.c (record_reference): Call cgraph_get_create_node
        instead of cgraph_node.
        (record_eh_tables): Likewise.
        (mark_address): Likewise.
        (mark_load): Likewise.
        (build_cgraph_edges): Call cgraph_get_create_node instead
        of cgraph_node.
        (rebuild_cgraph_edges): Likewise.
        * cgraphunit.c (cgraph_finalize_function): Call cgraph_get_create_node
        instead of cgraph_node.
        (cgraph_copy_node_for_versioning): Call cgraph_create_node instead of
        cgraph_node.
        * lto-symtab.c (lto_symtab_merge_cgraph_nodes_1): Call
        cgraph_create_node instead of cgraph_node.
        * c-decl.c (finish_function): Call cgraph_get_create_node instead
        of cgraph_node.
        * lto-cgraph.c (input_node): Likewise.
        * lto-streamer-in.c (input_function): Likewise.
        * varasm.c (mark_decl_referenced): Likewise.
        (assemble_alias): Likewise.

2011-04-12  Martin Jambor  <mjambor@suse.cz>

        * tree-inline.c (tree_function_versioning): Call cgraph_get_node
        instead of cgraph_node and assert it does not return NULL.
        * lto-streamer-in.c (lto_read_body): Likewise.
        * omp-low.c (new_omp_context): Likewise.
        (create_task_copyfn): Likewise.
        * tree-emutls.c (lower_emutls_function_body): Likewise.
        * matrix-reorg.c (transform_allocation_sites): Likewise.

2011-04-12  Jakub Jelinek  <jakub@redhat.com>

        PR c/48552
        * c-typeck.c (build_asm_expr): Error out on attempts to use
        void type outputs or inputs for constraints that allow reg or
        don't allow memory.

2011-04-11  Chung-Lin Tang  <cltang@codesourcery.com>
            Richard Earnshaw  <rearnsha@arm.com>

        PR target/48250
        * config/arm/arm.c (arm_legitimize_reload_address): Update cases
        to use sign-magnitude offsets. Reject unsupported unaligned
        cases. Add detailed description in comments.
        * config/arm/arm.md (reload_outdf): Disable for ARM mode; change
        condition from TARGET_32BIT to TARGET_ARM.

2011-04-11  Nathan Froyd  <froydnj@codesourcery.com>

        * tree.h (struct typed_tree): New.
        (struct tree_common): Include it instead of tree_base.
        (TREE_TYPE): Update for new location of type field.
        (TYPE_USER_ALIGN, TYPE_PACKED): Refer to base field directly.
        (DECL_USER_ALIGN, DECL_PACKED): Likewise.
        (union tree_node): Add typed field.
        * treestruct.def (TS_TYPED): New.
        * lto-streamer.c (check_handled_ts_structures): Handle it.
        * tree.c (MARK_TS_TYPED): New macro.
        (MARK_TS_COMMON): Call it instead of MARK_TS_BASE.

2011-04-11  Eric Botcazou  <ebotcazou@adacore.com>

        * cfghooks.c (redirect_edge_and_branch_force): Localize variable.
        (force_nonfallthru): Do not alter the loop nest if no basic block
        was created.

2011-04-11  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (VI): New mode iterator.
        (SSEMODEI): Remove.
        (AVX256MODEI): Ditto.
        (AVXMODEF4P): Ditto.
        (avxvecpsmode): Ditto.
        (one_cmpl<mode>2): Enable for TARGET_SSE.  Use VI mode iterator.
        (sse2_andnot<mode>3): New expander.
        (*andnot<mode>3): Merge with *sse2_andnot<mode>3 and
        *avx_andnot<mode>3.  Enable for TARGET_SSE.  Use VI mode iterator.
        (<any_logic:code><mode>3): Use VI mode iterator.
        (*<any_logic:code><mode>3): Merge with *sse2_<any_logic:code><mode>3
        and *avx_<any_logic:code><mode>3.  Use VI mode iterator.
        (*andnottf3): Handle AVX three-operand constraints.
        (*<any_logic:code>tf3): Handle AVX three-operand constraints.

2011-04-11  Joseph Myers  <joseph@codesourcery.com>
            Robert Millan  <rmh@gnu.org>

        * config.gcc (x86_64-*-kfreebsd*-gnu): Use i386/kfreebsd-gnu.h.
        * config/i386/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKER32,
        GNU_USER_DYNAMIC_LINKER64): Define.
        (REG_NAME): Don't undefine.
        (MD_UNWIND_SUPPORT): Undefine.
        * config/i386/knetbsd-gnu.h (GNU_USER_LINK_EMULATION): Define.
        (REG_NAME): Don't undefine.
        (MD_UNWIND_SUPPORT): Undefine.
        * config/i386/kopensolaris-gnu.h (GNU_USER_LINK_EMULATION): Define.

2011-04-11  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/gnu.h (GNU_USER_LINK_EMULATION): Define.
        (CPP_SPEC, CC1_SPEC, ENDFILE_SPEC): Remove.

2011-04-11  Xinliang David Li  <davidxl@google.com>

        * value-profile.c (check_ic_target): New function.
        (gimple_ic_transform): Sanity check indirect call target.
        * gimple-low.c (gimple_check_call_args): Interface change.
        (gimple_check_call_matching_types): New function.
        * tree-inline.c (tree_can_inline_p): Call new function.

2011-04-11  Basile Starynkevitch  <basile@starynkevitch.net>

        * Makefile.in (PLUGIN_HEADERS): Add gimple-pretty-print.h
        tree-pretty-print.h & realmpfr.h.

2011-04-11  Vladimir Makarov  <vmakarov@redhat.com>

        PR middle-end/48464
        * ira.c (setup_pressure_classes): Fix typo in loop condition.
        (setup_allocno_and_important_classes): Ditto.

2011-04-11  Joseph Myers  <joseph@codesourcery.com>

        * config/alpha/linux-elf.h (LINUX_DYNAMIC_LINKER): Rename to
        GNU_USER_DYNAMIC_LINKER.
        * config/arm/linux-eabi.h (TARGET_OS_CPP_BUILTINS): Change
        LINUX_TARGET_OS_CPP_BUILTINS to GNU_USER_TARGET_OS_CPP_BUILTINS.
        * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Change
        LINUX_DYNAMIC_LINKER to GNU_USER_DYNAMIC_LINKER.
        (TARGET_OS_CPP_BUILTINS): Change LINUX_TARGET_OS_CPP_BUILTINS to
        GNU_USER_TARGET_OS_CPP_BUILTINS.
        * config/bfin/linux.h (TARGET_OS_CPP_BUILTINS): Change
        LINUX_TARGET_OS_CPP_BUILTINS to GNU_USER_TARGET_OS_CPP_BUILTINS.
        * config/bfin/uclinux.h (TARGET_OS_CPP_BUILTINS): Change
        LINUX_TARGET_OS_CPP_BUILTINS to GNU_USER_TARGET_OS_CPP_BUILTINS.
        * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC): Change
        LINUX_DYNAMIC_LINKER to GNU_USER_DYNAMIC_LINKER.
        (TARGET_OS_CPP_BUILTINS): Change LINUX_TARGET_OS_CPP_BUILTINS to
        GNU_USER_TARGET_OS_CPP_BUILTINS.
        * config/frv/linux.h (LINK_SPEC): Change LINUX_DYNAMIC_LINKER to
        GNU_USER_DYNAMIC_LINKER.
        * config/gnu.h (LINUX_TARGET_OS_CPP_BUILTINS): Rename to
        GNU_USER_TARGET_OS_CPP_BUILTINS.
        * config/i386/gnu-user.h (TARGET_OS_CPP_BUILTINS): Change
        LINUX_TARGET_OS_CPP_BUILTINS to GNU_USER_TARGET_OS_CPP_BUILTINS.
        * config/i386/gnu-user64.h (TARGET_OS_CPP_BUILTINS): Change
        LINUX_TARGET_OS_CPP_BUILTINS to GNU_USER_TARGET_OS_CPP_BUILTINS.
        * config/i386/linux.h (GNU_USER_DYNAMIC_LINKER): Remove.
        * config/i386/linux64.h (GNU_USER_DYNAMIC_LINKER32,
        GNU_USER_DYNAMIC_LINKER64): Remove.
        * config/ia64/linux.h (TARGET_OS_CPP_BUILTINS): Change
        LINUX_TARGET_OS_CPP_BUILTINS to GNU_USER_TARGET_OS_CPP_BUILTINS.
        (LINK_SPEC): Change LINUX_DYNAMIC_LINKER to
        GNU_USER_DYNAMIC_LINKER.
        * config/kfreebsd-gnu.h (LINUX_TARGET_OS_CPP_BUILTINS): Rename to
        GNU_USER_TARGET_OS_CPP_BUILTINS.
        * config/knetbsd-gnu.h (LINUX_TARGET_OS_CPP_BUILTINS): Rename to
        GNU_USER_TARGET_OS_CPP_BUILTINS.
        * config/kopensolaris-gnu.h (LINUX_TARGET_OS_CPP_BUILTINS): Rename
        to GNU_USER_TARGET_OS_CPP_BUILTINS.
        * config/linux.h (LINUX_TARGET_OS_CPP_BUILTINS): Rename to
        GNU_USER_TARGET_OS_CPP_BUILTINS.
        (LINUX_DYNAMIC_LINKER): Rename to GNU_USER_DYNAMIC_LINKER.
        (LINUX_DYNAMIC_LINKER32): Rename to GNU_USER_DYNAMIC_LINKER32.
        (LINUX_DYNAMIC_LINKER64): Rename to GNU_USER_DYNAMIC_LINKER64.
        * config/lm32/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Change
        LINUX_TARGET_OS_CPP_BUILTINS to GNU_USER_TARGET_OS_CPP_BUILTINS.
        * config/m32r/linux.h (LINK_SPEC): Change LINUX_DYNAMIC_LINKER to
        GNU_USER_DYNAMIC_LINKER.
        (TARGET_OS_CPP_BUILTINS): Change LINUX_TARGET_OS_CPP_BUILTINS to
        GNU_USER_TARGET_OS_CPP_BUILTINS.
        * config/m68k/linux.h (TARGET_OS_CPP_BUILTINS): Change
        LINUX_TARGET_OS_CPP_BUILTINS to GNU_USER_TARGET_OS_CPP_BUILTINS.
        (LINK_SPEC): Change LINUX_DYNAMIC_LINKER to
        GNU_USER_DYNAMIC_LINKER.
        * config/m68k/uclinux.h (TARGET_OS_CPP_BUILTINS): Change
        LINUX_TARGET_OS_CPP_BUILTINS to GNU_USER_TARGET_OS_CPP_BUILTINS.
        * config/mips/linux.h (TARGET_OS_CPP_BUILTINS): Change
        LINUX_TARGET_OS_CPP_BUILTINS to GNU_USER_TARGET_OS_CPP_BUILTINS.
        (LINK_SPEC): Change LINUX_DYNAMIC_LINKER to
        GNU_USER_DYNAMIC_LINKER.
        * config/mips/linux64.h (LINUX_DYNAMIC_LINKERN32): Rename to
        GNU_USER_DYNAMIC_LINKERN32.
        (LINK_SPEC): Change LINUX_DYNAMIC_LINKERN32 to
        GNU_USER_DYNAMIC_LINKERN32.  Change LINUX_DYNAMIC_LINKER64 to
        GNU_USER_DYNAMIC_LINKER64.  Change LINUX_DYNAMIC_LINKER32 to
        GNU_USER_DYNAMIC_LINKER32.
        * config/mn10300/linux.h (TARGET_OS_CPP_BUILTINS): Change
        LINUX_TARGET_OS_CPP_BUILTINS to GNU_USER_TARGET_OS_CPP_BUILTINS.
        (LINK_SPEC): Change LINUX_DYNAMIC_LINKER to
        GNU_USER_DYNAMIC_LINKER.
        * config/moxie/uclinux.h (TARGET_OS_CPP_BUILTINS): Change
        LINUX_TARGET_OS_CPP_BUILTINS to GNU_USER_TARGET_OS_CPP_BUILTINS.
        * config/pa/pa-linux.h (TARGET_OS_CPP_BUILTINS): Change
        LINUX_TARGET_OS_CPP_BUILTINS to GNU_USER_TARGET_OS_CPP_BUILTINS.
        (LINK_SPEC): Change LINUX_DYNAMIC_LINKER to GNU_USER_DYNAMIC_LINKER.
        * config/rs6000/linux64.h (LINUX_DYNAMIC_LINKER32): Rename to
        GNU_USER_DYNAMIC_LINKER32.
        (LINUX_DYNAMIC_LINKER64): Rename to GNU_USER_DYNAMIC_LINKER64.
        * config/rs6000/sysv4.h (LINUX_DYNAMIC_LINKER): Rename to
        GNU_USER_DYNAMIC_LINKER.
        * config/s390/linux.h (TARGET_OS_CPP_BUILTINS): Change
        LINUX_TARGET_OS_CPP_BUILTINS to GNU_USER_TARGET_OS_CPP_BUILTINS.
        (LINK_SPEC): Change LINUX_DYNAMIC_LINKER32 to
        GNU_USER_DYNAMIC_LINKER32.  Change LINUX_DYNAMIC_LINKER64 to
        GNU_USER_DYNAMIC_LINKER64.
        * config/sh/linux.h (TARGET_OS_CPP_BUILTINS): Change
        LINUX_TARGET_OS_CPP_BUILTINS to GNU_USER_TARGET_OS_CPP_BUILTINS.
        (SUBTARGET_LINK_SPEC): Change LINUX_DYNAMIC_LINKER to
        GNU_USER_DYNAMIC_LINKER.
        * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Change
        LINUX_TARGET_OS_CPP_BUILTINS to GNU_USER_TARGET_OS_CPP_BUILTINS.
        (LINK_SPEC): Change LINUX_DYNAMIC_LINKER to
        GNU_USER_DYNAMIC_LINKER.
        * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Change
        LINUX_TARGET_OS_CPP_BUILTINS to GNU_USER_TARGET_OS_CPP_BUILTINS.
        (LINK_ARCH32_SPEC): Change LINUX_DYNAMIC_LINKER32 to
        GNU_USER_DYNAMIC_LINKER32.
        (LINK_ARCH64_SPEC): Change LINUX_DYNAMIC_LINKER64 to
        GNU_USER_DYNAMIC_LINKER64.
        (LINK_SPEC): Change LINUX_DYNAMIC_LINKER64 to
        GNU_USER_DYNAMIC_LINKER64.
        * config/vax/linux.h (TARGET_OS_CPP_BUILTINS): Change
        LINUX_TARGET_OS_CPP_BUILTINS to GNU_USER_TARGET_OS_CPP_BUILTINS.
        * config/xtensa/linux.h (TARGET_OS_CPP_BUILTINS): Change
        LINUX_TARGET_OS_CPP_BUILTINS to GNU_USER_TARGET_OS_CPP_BUILTINS.
        (LINK_SPEC): Change LINUX_DYNAMIC_LINKER to GNU_USER_DYNAMIC_LINKER.

2011-04-11  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/gnu-user.h: Copy from linux.h.  Update comments.
        (LINK_EMULATION, GLIBC_DYNAMIC_LINKER): Remove.
        (SUBTARGET_EXTRA_SPECS): Use GNU_USER_LINK_EMULATION and
        GNU_USER_DYNAMIC_LINKER.
        (MD_UNWIND_SUPPORT, REG_NAME): Remove.
        * config/i386/gnu-user64.h: Copy from linux64.h.  Update comments.
        (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64): Remove.
        (LINK_SPEC): Use GNU_USER_DYNAMIC_LINKER32 and
        GNU_USER_DYNAMIC_LINKER64.
        (MD_UNWIND_SUPPORT, REG_NAME): Remove.
        * config/i386/kfreebsd-gnu.h (LINK_EMULATION): Change to
        GNU_USER_LINK_EMULATION.
        * config/i386/linux.h (TARGET_ASM_FILE_START_FILE_DIRECTIVE,
        DEFAULT_PCC_STRUCT_RETURN, TARGET_TLS_DIRECT_SEG_REFS_DEFAULT,
        ASM_COMMENT_START, DBX_REGISTER_NUMBER, NO_PROFILE_COUNTERS,
        MCOUNT_NAME, SUBTARGET_FRAME_POINTER_REQUIRED, SIZE_TYPE,
        PTRDIFF_TYPE, WCHAR_TYPE, WCHAR_TYPE_SIZE, TARGET_OS_CPP_BUILTINS,
        CPP_SPEC, CC1_SPEC): Remove.
        (LINK_EMULATION): Change to GNU_USER_LINK_EMULATION.
        (GNU_USER_DYNAMIC_LINKER): Define.
        (ASM_SPEC, SUBTARGET_EXTRA_SPECS, LINK_SPEC, ENDFILE_SPEC,
        ASM_OUTPUT_ALIGNED_BSS, ASM_OUTPUT_MAX_SKIP_ALIGN,
        ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX, CRT_GET_RFIB_DATA,
        LIBGCC2_HAS_TF_MODE, LIBGCC2_TF_CEXT, TF_SIZE,
        TARGET_ASM_FILE_END, STACK_CHECK_MOVING_SP,
        STACK_CHECK_STATIC_BUILTIN, TARGET_THREAD_SSP_OFFSET,
        TARGET_CAN_SPLIT_STACK, TARGET_THREAD_SPLIT_STACK_OFFSET): Remove.
        * config/i386/linux64.h (TARGET_OS_CPP_BUILTINS, CPP_SPEC,
        CC1_SPEC, DEFAULT_PCC_STRUCT_RETURN,
        TARGET_TLS_DIRECT_SEG_REFS_DEFAULT, SPEC_32, SPEC_64, ASM_SPEC,
        LINK_SPEC, ENDFILE_SPEC, MULTILIB_DEFAULTS, LIBGCC2_HAS_TF_MODE,
        LIBGCC2_TF_CEXT, TF_SIZE, TARGET_ASM_FILE_END): Remove.
        (GNU_USER_DYNAMIC_LINKER32, GNU_USER_DYNAMIC_LINKER64): Define.
        (STACK_CHECK_MOVING_SP, STACK_CHECK_STATIC_BUILTIN,
        TARGET_THREAD_SSP_OFFSET, TARGET_CAN_SPLIT_STACK,
        TARGET_THREAD_SPLIT_STACK_OFFSET): Remove.
        * config/i386/gnu.h (GLIBC_DYNAMIC_LINKER): Change to
        GNU_USER_DYNAMIC_LINKER.
        * config/kfreebsd-gnu.h (GLIBC_DYNAMIC_LINKER): Change to
        GNU_USER_DYNAMIC_LINKER.  Unconditionally undefine and redefine.
        * config/knetbsd-gnu.h (GLIBC_DYNAMIC_LINKER): Change to
        GNU_USER_DYNAMIC_LINKER.  Unconditionally undefine and redefine.
        * config/kopensolaris-gnu.h (GLIBC_DYNAMIC_LINKER): Change to
        GNU_USER_DYNAMIC_LINKER.  Unconditionally undefine and redefine.
        * config.gcc (i[34567]86-*-linux* | i[34567]86-*-kfreebsd*-gnu |
        i[34567]86-*-knetbsd*-gnu | i[34567]86-*-gnu* |
        i[34567]86-*-kopensolaris*-gnu, x86_64-*-linux* |
        x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu): Use the new headers.

2011-04-11  Kai Tietz  <ktietz@redhat.com>

        PR target/9601
        PR target/11772
        * config/i386/i386-protos.h (ix86_get_callcvt): New prototype.
        * config/i386/i386.c (ix86_handle_cconv_attribute): Adjust
        comment.
        (ix86_is_msabi_thiscall): Removed.
        (ix86_is_type_thiscall): Likewise.
        (ix86_get_callcvt): New function.
        (ix86_comp_type_attributes): Simplify check.
        (ix86_function_regparm): Use ix86_get_callcvt for calling
        convention attribute checks.
        (ix86_return_pops_args): Likewise.
        (ix86_static_chain): Likewise.
        (x86_this_parameter): Likewise.
        (x86_output_mi_thunk): Likewise.
        (ix86_function_type_abi): Optimize check for types without attributes.
        * config/i386/i386.h (IX86_CALLCVT_CDECL, IX86_CALLCVT_STDCALL,
        IX86_CALLCVT_FASTCALL, IX86_CALLCVT_THISCALL, IX86_CALLCVT_REGPARM,
        IX86_CALLCVT_SSEREGPARM): New macros to represent calling convention
        by flag-values.
        (IX86_BASE_CALLCVT): Helper macro.
        * config/i386/netware.c (i386_nlm_maybe_mangle_decl_assembler_name):
        Use ix86_get_callcvt for calling convention attribute checks and avoid
        symbol-decoration for stdcall in TARGET_RTD case.
        * config/i386/winnt.c (i386_pe_maybe_mangle_decl_assembler_name):
        Likewise.
        (gen_stdcall_or_fastcall_suffix): Adjust ident and use DECL_ORIGIN
        for declaration.

2011-04-11  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (VI_128): New mode iterator.
        (VI12_128): Rename from SSEMODE12.
        (VI14_128): Rename from SSEMODE14.
        (VI124_128): New mode iterator.
        (VI24_128): Rename from SSEMODE248.
        (VI248_128): Rename from SSEMODE248.
        (SSEMODE124C8): Remove.
        (*<plusminus_insn><mode>3): Merge with *avx_<plusminus_insn><mode>3.
        (*sse2_<plusminus_insn><mode>3): Merge with
        *avx_<plusminus_insn><mode>3.
        (*mulv8hi3): Merge with *avx_mulv8hi3.
        (*<s>mulv8hi3_highpart): Merge with *avx_<s>mulv8hi3_highpart.
        (*sse2_umulv2siv2di3): Merge with *avx_umulv2siv2di3.
        (*sse2_pmaddwd): Merge with *avx_pmaddwd.
        (*sse4_1_mulv4si3): Merge with *avx_mulv4si3.
        (ashr<mode>3): Merge with *avx_ashr<mode>3.
        (lshr<mode>3): Merge with *avx_lshr<mode>3.
        (ashl<mode>3): Merge with *avx_ashl<mode>3.
        (sse2_ashlv1ti3): Merge with *avx_ashlv1ti3.
        (sse2_lshrv1ti3): Merge with *avx_lshrv1ti3.
        (*sse4_1_<smaxmin:code><mode>3): Merge with *avx_<smaxmin:code><mode>3.
        (*<smaxmin:code>v8hi3): Ditto.
        (*sse4_1_<umaxmin:code><mode>3): Merge with *avx_<umaxmin:code><mode>3.
        (*<smaxmin:code>v16qi3): Ditto.
        (*sse4_1_eqv2di3): Merge with *avx_eq<mode>3.
        (*sse2_eq<mode>3): Ditto.
        (*sse4_2_eqv2di3): Merge with *avx_gt<mode>3.
        (*sse2_gt<mode>3): Ditto.
        (vcondv2di): Split out of vcond<mode>.
        (vconduv2di): Split out of vcondu<mode>.

2011-04-11  Richard Guenther  <rguenther@suse.de>

        * gimplify.c (gimple_fold_indirect_ref): Check host_integerp
        before calling tree_low_cst.

2011-04-11  Richard Guenther  <rguenther@suse.de>

        * stor-layout.c (layout_type): Compute all array index size operations
        in the original type.
        (initialize_sizetypes): Add comment.
        (set_sizetype): Do not set TREE_TYPE of a TREE_VEC.

2011-04-11  Joseph Myers  <joseph@codesourcery.com>

        * common.opt (Tbss=, Tdata=, Ttext=): New options.

2011-04-11  Martin Jambor  <mjambor@suse.cz>

        * cgraph.c (cgraph_local_info): Call cgraph_get_node instead
        of cgraph_node, handle NULL return value.
        (cgraph_global_info): Likewise.
        (cgraph_rtl_info): Likewise.
        * tree-inline.c (estimate_num_insns): Likewise.
        * gimplify.c (unshare_body): Likewise.
        (unvisit_body): Likewise.
        (gimplify_body): Likewise.
        * predict.c (optimize_function_for_size_p): Likewise.
        * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Likewise.
        (call_may_clobber_ref_p_1): Likewise.
        * varasm.c (function_section_1): Likewise.
        (assemble_start_function): Likewise.

2011-04-11  Martin Jambor  <mjambor@suse.cz>

        * except.c (set_nothrow_function_flags): Call cgraph_get_node instead
        of cgraph_node.
        * final.c (rest_of_clean_state): Likewise.
        * gimple-iterator.c (update_call_edge_frequencies): Likewise.
        * passes.c (pass_init_dump_file): Likewise.
        (execute_all_ipa_transforms): Likewise.
        (function_called_by_processed_nodes_p): Likewise.
        * predict.c (maybe_hot_frequency_p): Likewise.
        (probably_never_executed_bb_p): Likewise.
        (compute_function_frequency): Likewise.
        * tree-nested.c (check_for_nested_with_variably_modified): Likewise.
        (unnest_nesting_tree_1): Likewise.
        (lower_nested_functions): Likewise.
        * tree-optimize.c (execute_fixup_cfg): Likewise.
        (tree_rest_of_compilation): Likewise.
        * tree-profile.c (gimple_gen_ic_func_profiler): Likewise.
        * tree-sra.c (ipa_early_sra): Likewise.
        * tree-ssa-loop-ivopts.c (computation_cost): Likewise.
        * config/i386/i386.c (ix86_compute_frame_layout): Likewise.
        * ipa.c (record_cdtor_fn): Likewise.
        * ipa-inline.c (cgraph_early_inlining): Likewise.
        (compute_inline_parameters_for_current): Likewise.
        * ipa-prop.c (ipa_make_edge_direct_to_target): Likewise.
        * ipa-pure-const.c (local_pure_const): Likewise.
        * ipa-split.c (split_function): Likewise.
        (execute_split_functions): Likewise.
        * cgraphbuild.c (build_cgraph_edges): Likewise.
        (rebuild_cgraph_edges): Likewise.
        (cgraph_rebuild_references): Likewise.
        (remove_cgraph_callee_edges): Likewise.
        * cgraphunit.c (cgraph_mark_if_needed): Likewise.
        (verify_cgraph_node): Likewise.
        (cgraph_analyze_functions): Likewise.
        (cgraph_preserve_function_body_p): Likewise.
        (save_inline_function_body): Likewise.
        (save_inline_function_body): Likewise.
        * tree-inline.c (copy_bb): Likewise.
        (optimize_inline_calls): Likewise.

2011-04-11  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/48195
        * ipa-cp.c (ipcp_driver): Call ipa_check_create_node_params and
        ipa_check_create_edge_args.
        (ipcp_generate_summary): Do not call ipa_check_create_node_params and
        ipa_check_create_edge_args.
        * ipa-inline.c (inline_generate_summary): Do not call
        ipa_check_create_node_params and ipa_check_create_edge_args.
        * ipa-prop.c (ipa_analyze_node): Call ipa_check_create_node_params and
        ipa_check_create_edge_args.

2011-04-09  Anatoly Sokolov  <aesok@post.ru>

        * expr.c (expand_expr_real_1): Use add_to_hard_reg_set function
        instead of loop.
        * sel-sched.c (mark_unavailable_hard_regs): Likewise.
        * function.c (record_hard_reg_sets): Likewise.
        * ira.c (compute_regs_asm_clobbered): Likewise.
        * sched-deps.c (sched_analyze_1): Likewise.
        * reload1.c (mark_reload_reg_in_use, choose_reload_regs): Likewise.

2011-04-09  Xinliang David Li  <davidxl@google.com>

        PR tree-optimization/PR48484
        * tree-ssa-uninit.c (convert_control_dep_chain_into_preds): Set
        has_valid_pred lazily

2011-04-09  Duncan Sands  <baldrick@free.fr>

        * tree.c (array_type_nelts): Bail out if TYPE_MAX_VALUE not set.

2011-04-08  Eric Botcazou  <ebotcazou@adacore.com>

        * combine.c (combine_validate_cost): Adjust comments.  Set registered
        cost of I0 to zero at the end, if any.

2011-04-08  Xinliang David Li  <davidxl@google.com>

        * ipa-cp.c (ipcp_update_profiling): Correct negative scale factor due
        to insane profile data.

2011-04-08  Xinliang David Li  <davidxl@google.com>

        * ipa-cp.c (ipcp_update_profiling): Correct
         negative scale factor due to insane profile data.

2011-04-08  Xinliang David Li  <davidxl@google.com>

        * final.c (dump_basic_block_info): New function.
        (final): Dump basic block.
        (final_scan_insn): Remove old dump.

2011-04-08  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR target/47829
        * config.gcc (i386-*-freebsd): Disable unwind table generation for
        crtbegin/crtend.

2011-04-08  Michael Matz  <matz@suse.de>

        PR middle-end/48389
        * jump.c (rebuild_jump_labels_1, rebuild_jump_labels_chain): New
        functions.
        (rebuild_jump_labels): Call rebuild_jump_labels_1.
        * rtl.h (rebuild_jump_labels_chain): Declare.
        * cfgexpand.c (gimple_expand_cfg): Initialize JUMP_LABEL also on
        insns inserted on edges.

2011-04-08  Joseph Myers  <joseph@codesourcery.com>

        * config.gcc (arm*-*-*): Add arm/arm-tables.opt to extra_options.
        * config/arm/arm-arches.def: New.
        * config/arm/arm-opts.h: New.
        * config/arm/genopt.sh: New.
        * config/arm/arm-tables.opt: New (generated).
        * config/arm/arm.c (arm_handle_option, arm_target_help,
        TARGET_HANDLE_OPTION, TARGET_HELP, arm_find_cpu): Remove.
        (all_architectures): Get most table contents from arm-arches.def.
        (arm_option_override): Set arm_selected_arch, arm_selected_cpu and
        arm_selected_tune here.
        * config/arm/arm.h (enum processor_type): Move to arm-opts.h.
        * config/arm/arm.opt (config/arm/arm-opts.h): New HeaderInclude.
        (march=, mcpu=, mtune=): Use Enum and Var.
        * config/arm/t-arm ($(srcdir)/config/arm/arm-tables.opt): New.
        (arm.o): Update dependencies.

2011-04-08  Basile Starynkevitch  <basile@starynkevitch.net>

        * gengtype.c (write_typed_alloc_def): New argument f. Use it instead
        of header_file.
        (write_typed_struct_alloc_def, write_typed_typedef_alloc_def)
        (write_typed_alloc_defns): Likewise.
        (main): Calls write_typed_alloc_defns with output_header.

2011-04-08  Vladimir Makarov  <vmakarov@redhat.com>

        PR inline-asm/48435
        * ira-color.c (setup_profitable_hard_regs): Add comments.
        Don't take prohibited hard regs into account.
        (setup_conflict_profitable_regs): Rename to
        get_conflict_profitable_regs.
        (check_hard_reg_p): Check prohibited hard regs.

2011-04-08  Nathan Froyd  <froydnj@codesourcery.com>

        * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Call use_reg.
        * config/xtensa/xtensa.c (xtensa_call_tls_desc): Likewise.
        * config/sparc/sparc.c (sparc_legitimize_tls_address): Likewise.

2011-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/48366
        * config/pa/pa.c (hppa_register_move_cost): Increase to 18 cost of
        move from floating point to shift amount register.
        (emit_move_sequence): Remove secondary reload support for floating
        point to shift amount amount register copies.
        (pa_secondary_reload): Return GENERAL_REGS for floating point/shift
        amount register copies.
        * config/pa/pa32-regs.h (HARD_REGNO_MODE_OK): For shift amount
        register, return false if mode isn't a scalar integer mode.
        * config/pa/pa64-regs.h (HARD_REGNO_MODE_OK): Likewise.

2011-04-08  Richard Guenther  <rguenther@suse.de>

        * gimple.c (gimple_call_flags): Remove kludge.

2011-04-08  Alexander Monakov  <amonakov@ispras.ru>

        * sel-sched.c (sel_region_init): Move call to
        sel_setup_region_sched_flags after setup_current_loop_nest.

2011-04-08  Andrey Belevantsev  <abel@ispras.ru>

        PR rtl-optimization/48272
        * sched-deps.c (setup_insn_reg_pressure_info): Export and rename to
        init_insn_reg_pressure_info.  Adjust a caller.
        * sched-int.h (init_insn_reg_pressure_info): Declare.
        * haifa-sched.c (haifa_init_insn): Call init_insn_reg_pressure_info
        when sched-pressure is enabled.

2011-04-08  Richard Guenther  <rguenther@suse.de>

        * gimple.c (gimple_set_modified): Do not queue calls to
        MODIFIED_NORETURN_CALLS here ...
        * tree-ssa-operands.c (update_stmt_operands): ... but here.

2011-04-08  Richard Guenther  <rguenther@suse.de>

        PR lto/48467
        * toplev.c (lang_dependent_init): Do not open asm_out_file
        in WPA mode, nor perform debug machinery initialization.
        (finalize): Do not unlink asm_out_file in WPA mode.

2011-04-08  Richard Guenther  <rguenther@suse.de>

        * gimple.h (gimple_call_fntype): New function.
        (gimple_call_return_type): Use it.
        * expr.c (expand_expr_real_1): Use gimple_call_fntype.
        * gimple-low.c (gimple_check_call_args): Likewise.
        * gimple.c (gimple_call_flags): Likewise.
        (gimple_call_arg_flags): Likewise.
        (gimple_call_return_flags): Likewise.
        * tree-cfg.c (verify_gimple_call): Likewise.
        (do_warn_unused_result): Likewise.
        * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
        * value-prof.c (gimple_ic_transform): Fix fndecl check.

2011-04-08  Dmitry Melnik  <dm@ispras.ru>

        PR rtl-optimization/48235
        * sel-sched.c (code_motion_process_successors): Recompute the last
        insn in basic block if control flow changed.
        (code_motion_path_driver): Ditto.  Recompute the first insn as well.
        Update condition for ilist_remove.

2011-04-08  Alexander Monakov  <amonakov@ispras.ru>

        PR rtl-optimization/48302
        * sel-sched-ir.h (sel_add_loop_preheaders): Update prototype.
        * sel-sched-ir.c (sel_add_loop_preheaders): Add 'bbs' argument.  Use
        it to record added preheader blocks.
        * sel-sched.c (setup_current_loop_nest): Add 'bbs' argument.  Pass it
        on to sel_add_loop_preheaders.
        (sel_region_init): Move call to setup_current_loop_nest after
        sel_init_bbs.

2011-04-08  Alexander Monakov  <amonakov@ispras.ru>

        PR target/48273
        * cfgloop.h (loop_has_exit_edges): New helper.
        * sel-sched-ir.c (init_global_and_expr_for_insn): Make CALLs
        non-clonable.
        * sel-sched.c (sel_setup_region_sched_flags): Don't pipeline loops
        that have no exit edges.

2011-04-08  Alexander Monakov  <amonakov@ispras.ru>

        PR rtl-optimization/48442
        * sel-sched.c (init_seqno): Remove number_of_insns argument.  Update
        all callers.  Adjust assert.

2011-04-08  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/48377
        * tree-vect-data-refs.c (vector_alignment_reachable_p): Set
        is_packed to true even for types with smaller TYPE_ALIGN than
        TYPE_SIZE.

2011-04-08  Richard Guenther  <rguenther@suse.de>

        PR bootstrap/48513
        * doc/tm.texi: Re-generate.

2011-04-08  Wei Guozhi  <carrot@google.com>

        PR target/47855
        * config/arm/arm-protos.h (arm_attr_length_push_multi): New prototype.
        * config/arm/arm.c (arm_attr_length_push_multi): New function.
        * config/arm/arm.md (*push_multi): Change the length computation to
        call a C function.

2011-04-08  Anatoly Sokolov  <aesok@post.ru>

        * doc/tm.texi.in (ASM_OUTPUT_BSS): Remove documentation.
        (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS): Update documentation.
        * doc/tm.texi: Regenerate.
        * system.h (ASM_OUTPUT_BSS): Poison.
        * varasm.c (asm_output_bss): Remove function.
        (emit_bss, init_varasm_once): Don't use ASM_OUTPUT_BSS macro.

        * config/frv/frv.h (BSS_SECTION_ASM_OP): Remove comment.
        * config/frv/fr30.h (BSS_SECTION_ASM_OP): Likewise.
        * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Likewise.
        * config/i386/i386elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
        Likewise.
        * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
        Likewise.
        * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
        Likewise.
        * config/m68k/netbsd-elf.h (ASM_OUTPUT_ALIGNED_BSS): Likewise.

2011-04-07  Joseph Myers  <joseph@codesourcery.com>

        * config/rx/rx.opt (rx610, rx200, rx600): Use Enum not Name on
        EnumValue lines.

2011-04-07  Joseph Myers  <joseph@codesourcery.com>

        * config/m68k/m68k.c (m68k_handle_option): Don't handle
        OPT_m68000, OPT_mc68000, OPT_m68010, OPT_m68020, OPT_mc68020,
        OPT_m68030, OPT_m68040, OPT_m68060, OPT_m68302, OPT_m68332 and
        OPT_mcpu32.
        * config/m68k/m68k.h (OPTION_DEFAULT_SPECS, ASM_CPU_SPEC): Don't
        handle -mc68000, -m68000, -m68302, -m68010, -mc68020, -m68020,
        -m68030, -m68040, -m68060, -mcpu32 and -m68332.
        * config/m68k/m68k.opt (m68000, m68010, m68020, m68030, m68040,
        m68060, m68302, m68332, mc68000, mc68020, mcpu32): Use Alias.
        * config/m68k/t-mlibs (CANONICALIZE_OPTIONS): Remove.
        (MULTILIB_OPTIONS): Don't use $(CANONICALIZE_OPTIONS).
        (MULTILIB_MATCHES): Map -march= options to corresponding -mcpu=
        options.  Don't map other m68k options manually.  Don't handle
        old-style options as canonical.
        (MULTILIB_EXCEPTIONS): Don't use $(CANONICALIZE_OPTIONS).
        * doc/install.texi (m68k-*-*): Document binutils version requirement.

2011-04-07  Eric Botcazou  <ebotcazou@adacore.com>

        * basic-block.h (force_nonfallthru): Move to...
        * cfghooks.h (struct cfg_hooks): Add force_nonfallthru hook.
        (force_nonfallthru): ...here.
        * cfghooks.c (force_nonfallthru): New function.
        * cfgrtl.c (force_nonfallthru): Rename into...
        (rtl_force_nonfallthru): ...this.
        (commit_one_edge_insertion): Do not set AUX field.
        (commit_edge_insertions): Do not discover new basic blocks.
        (rtl_cfg_hooks): Add rtl_force_nonfallthru.
        (cfg_layout_rtl_cfg_hooks): Likewise.
        * function.c (thread_prologue_and_epilogue_insns): Remove bogus
        ATTRIBUTE_UNUSED.  Discover new basic blocks in the prologue insns.
        * tree-cfg.c (gimple_cfg_hooks): Add NULL for force_nonfallthru.

2011-04-07  Anatoly Sokolov  <aesok@post.ru>

        * config/mips/mips.h (REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P):
        Remove macros.

2011-04-07  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md: Update copyright year.
        (avxcvtvecmode): Remove.
        (sse_movhlps): Merge with *avx_movhlps.
        (sse_movlhps): Merge with *avx_movlhps.
        (vec_interleave_highv4sf): Merge with *avx_interleave_highv4sf.
        (vec_interleave_lowv4sf): Merge with *avx_interleave_lowv4sf.
        (sse_shufps_<mode>): Merge with *avx_shufps_<mode>.
        (sse_loadhps): Merge with *avx_loadhps.
        (sse_storelps): Merge with *avx_storelps.
        (sse_loadlps): Merge with *avx_loadlps.
        (sse_movss): Merge with *avx_movss.
        (*vec_concatv2sf_sse4_1): Merge with *vec_concatv2sf_avx.
        (*vec_concatv4sf_sse): Merge with *vec_concatv4sf_avx.
        (*vec_set<mode>_0_sse4_1): Merge with *vec_set<mode>_0_avx.
        (*vec_set<mode>_0_sse2): Split multi-unit alternative.
        (vec_set<mode>_0): Ditto.
        (*vec_setv4sf_sse4_1): Merge with *vec_setv4sf_avx.
        (sse4_1_insertps): Merge with *avx_insertps.
        (*sse3_interleave_highv2df): Merge with *avx_interleave_highv2df.
        (*sse3_interleave_lowv2df): Merge with *avx_interleave_lowv2df.
        (vec_interleave_highv2di): Merge with *avx_interleave_highv2di.
        (sse2_shufpd_<mode>): Merge with *avx_shufpd_<mode>.
        (sse2_storehpd): Merge with *avx_storehpd.
        (sse2_loadhpd): Merge with *avx_loadhpd.
        (sse2_loadlpd): Merge with *avx_loadlpd.
        (sse2_movsd): Merge with *avx_movsd.
        (*vec_concatv2df): Merge with *vec_concatv2df.

2011-04-07  Jakub Jelinek  <jakub@redhat.com>

        PR debug/48343
        * combine.c (combine_instructions): Add last_combined_insn,
        update it if insn is after it, pass it to all try_combine calls.
        (try_combine): Add last_combined_insn parameter, pass it instead of
        i3 to propagate_for_debug.

2011-04-07  Nick Clifton  <nickc@redhat.com>

        * config/mn10300/mn10300.md (movqi_internal): Add alternatives
        to handle MDR <-> data register transfers.
        (movhi_internal): Likewise.

2011-04-07  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000.c (rs6000_stack_info): Don't compare against
        previous stack info.

2011-04-07  Tom de Vries  <tom@codesourcery.com>

        PR target/43920
        * cfgcleanup.c (try_crossjump_to_edge): Add dir parameter.  Pass dir to
        flow_find_cross_jump.  Swap variables to implement backward replacement.
        (try_crossjump_bb): Add argument to try_crossjump_to_edge.

2011-04-07  Tom de Vries  <tom@codesourcery.com>

        PR target/43920
        * cfgcleanup.c (walk_to_nondebug_insn): New function.
        (flow_find_cross_jump): Use walk_to_nondebug_insn.  Recalculate bb1
        and bb2.
        (try_crossjump_to_edge): Handle case that newpos1 or newpos2 is not
        src1 or src2.  Redirect edges to the last basic block.  Update
        frequency and count on multiple basic blocks in case of fallthru.

2011-04-07  Tom de Vries  <tom@codesourcery.com>

        PR target/43920
        * cfgcleanup.c (equal_different_set_p, can_replace_by, merge_dir): New
        function.
        (old_insns_match_p): Change return type.  Replace return false/true
        with return dir_none/dir_both.  Use can_replace_by.
        (flow_find_cross_jump): Add dir_p parameter.  Init replacement
        direction from dir_p.  Register replacement direction in dir, last_dir
        and afterlast_dir.  Handle new return type of old_insns_match_p using
        merge_dir.  Return replacement direction in dir_p.
        (flow_find_head_matching_sequence, outgoing_edges_match): Handle new
        return type of old_insns_match_p.
        (try_crossjump_to_edge): Add argument to call to flow_find_cross_jump.
        * ifcvt.c ( cond_exec_process_if_block): Add argument to call to
        flow_find_cross_jump.
        * basic-block.h (enum replace_direction): New type.
        (flow_find_cross_jump): Add parameter to declaration.

2011-04-06  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (AVXMODEDCVTDQ2PS): Remove.
        (AVXMODEDCVTPS2DQ): Ditto.
        (VEC_FLOAT_MODE): Ditto.
        (<sse>_andnot<mode>3): Merge with avx_andnot<mode>3.  Use VF mode
        iterator.  Handle TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL target flag.
        (<any_logic:code><mode>3): Use VF mode iterator.
        (*<any_logic:code><mode>3): Merge with *avx_<any_logic:code><mode>3.
        Use VF mode iterator.
        (copysign<mode>3): Use VF mode iterator.
        (*andnot<MODEF:mode>3): Merge with *avx_andnot<MODEF:mode>3.  Handle
        TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL target flag.
        (*<any_logic:code><MODEF:mode>3): Merge with
        *avx_<any_logic:code><MODEF:mode>3.
        (sse_cvtsi2ss): Merge with *avx_cvtsi2ss.
        (sse_cvtsi2ssq): Merge with *avx_cvtsi2ssq.
        (avx_cvtdq2ps256): Split from avx_cvtdq2ps<avxmodesuffix>.
        (avx_cvtdq2ps<avxmodesuffix>): Remove.
        (sse2_cvtdq2ps): Use %v modifier.
        (avx_cvtps2dq256): Split from avx_cvtps2dq<avxmodesuffix>.
        (avx_cvtps2dq<avxmodesuffix>): Remove.
        (sse2_cvtps2dq): Use %v modifier.
        (avx_cvttps2dq256): Split from avx_cvttps2dq<avxmodesuffix>.
        (avx_cvttps2dq<avxmodesuffix>): Remove.
        (sse2_cvttps2dq): Use %v modifier.
        (sse2_cvtsi2sd): Merge with *avx_cvtsi2sd.
        (sse2_cvtsi2sdq): Merge with *avx_cvtsi2sdq.
        (sse2_cvtsd2siq): Fix insn template.
        (sse2_cvtsd2siq_2): Ditto.
        (sse2_cvttsd2siq): Ditto.
        (sse2_cvtsd2ss): Merge with *avx_cvtsd2ss.
        (sse2_cvtss2sd): Merge with *avx_cvtss2sd.

2011-04-06  Joseph Myers  <joseph@codesourcery.com>

        * gcov-io.c: Use GCC Runtime Library Exception.

2011-04-06  Jakub Jelinek  <jakub@redhat.com>

        PR debug/48466
        * dwarf2out.c (based_loc_descr): If drap_reg is INVALID_REGNUM, use
        as base_reg whatever register reg has been eliminated to, instead
        of hardcoding STACK_POINTER_REGNUM.

2011-04-06  Joseph Myers  <joseph@codesourcery.com>

        * doc/tm.texi.in: Document C target hooks as separate from general
        target hooks.
        * doc/tm.texi: Regenerate.
        * genhooks.c (struct hook_desc): Add docname field.
        (HOOK_VECTOR_1, DEFHOOKPOD, DEFHOOK, DEFHOOK_UNDOC).  Initialize
        docname field.
        (hook_array): Include c-target.def.
        (emit_documentation): Use docname field in output.
        (emit_init_macros): Take docname argument.  Only emit definitions
        for hooks matching docname.
        (main): Expect additional arguments in all cases.  Pass argument
        to emit_init_macros.
        * target.def: Move initial macro definitions and comments to
        target-hooks-macros.h.
        (gcc_targetcm): Move to c-family/c-target.def.
        * target.h (targetcm): Move declaration to c-family/c-target.h.
        * targhooks.c (default_handle_c_option): Move to
        c-family/c-opts.c.
        * targhooks.h (default_handle_c_option): Move declaration to
        c-family/c-common.h.
        * target-hooks-macros.h: New file.
        * config.gcc (target_has_targetcm): Define and use to add to
        c_target_objs and cxx_target_objs.
        * config/default-c.c: New file.
        * config/darwin-c.c: Include c-target.h and c-target-def.h instead
        of target.h and target-def.h.
        (TARGET_HANDLE_C_OPTION, targetcm): Define later in file.
        (darwin_objc_construct_string, darwin_cfstring_ref_p,
        darwin_check_cfstring_format_arg): Make static.
        (TARGET_OBJC_CONSTRUCT_STRING_OBJECT,
        TARGET_STRING_OBJECT_REF_TYPE_P,
        TARGET_CHECK_STRING_OBJECT_FORMAT_ARG): Define here.
        * config/darwin-protos.h (darwin_objc_construct_string,
        darwin_cfstring_ref_p, darwin_check_cfstring_format_arg): Don't
        declare.
        * config/darwin.h (TARGET_OBJC_CONSTRUCT_STRING_OBJECT,
        TARGET_STRING_OBJECT_REF_TYPE_P,
        TARGET_CHECK_STRING_OBJECT_FORMAT_ARG, TARGET_HAS_TARGETCM): Remove.
        * config/t-darwin (darwin-c.o): Update dependencies.
        * system.h (TARGET_HAS_TARGETCM): Poison.
        * Makefile.in (TARGET_H): Update.
        (TARGET_DEF, C_TARGET_DEF, C_TARGET_H, C_TARGET_DEF_H): Define.
        (c-family/c-format.o, c-family/c-opts.o): Update dependencies.
        (default-c.o): New target.
        (s-target-hooks-def-h): Pass "Target Hook" string to genhooks.
        (c-family/c-target-hooks-def.h, s-c-target-hooks-def-h): New targets.
        (s-tm-texi): Pass -d option to genhooks.  Also test timestamp on
        c-target.def.
        (build/genhooks.o): Update dependencies.

2011-04-06  Richard Guenther  <rguenther@suse.de>

        * ipa-inline.c (enum inlining_mode): Remove.
        (cgraph_flatten): Use some other token.
        (cgraph_edge_early_inlinable_p): New function, split out from ...
        (cgraph_perform_always_inlining): New function, split out from ...
        (cgraph_decide_inlining_incrementally): ... here.
        (cgraph_mark_inline_edge): Adjust.
        (cgraph_early_inlining): Re-structure.
        (pass_early_inline): Require SSA form.

2011-04-06  Andrew Stubbs  <ams@codesourcery.com>
            Julian Brown  <julian@codesourcery.com>
            Mark Shinwell  <shinwell@codesourcery.com>

        * config/arm/arm.h (arm_class_likely_spilled_p): Check against
        LO_REGS only for Thumb-1.
        (MODE_BASE_REG_CLASS): Restrict base registers to those which can
        be used in short instructions when optimising for size on Thumb-2.

2011-04-06  Eric Botcazou  <ebotcazou@adacore.com>

        * gimple-low.c (lower_gimple_return): When not optimizing, force labels
        associated with user returns to be preserved.

2011-04-06  Tristan Gingold  <gingold@adacore.com>

        * dbxout.c (debug_nesting, symbol_queue, symbol_queue_index,
        symbol_queue_size, DBXOUT_DECR_NESTING,
        (DBXOUT_DECR_NESTING_AND_RETURN): Also define
        if XCOFF_DEBUGGING_INFO.

2011-04-06  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (attribute isa): New.
        (attribute enabled): New.
        (setcc_<mode>_sse): Merge from *{avx,sse}_setcc<mode>.
        (*fop_<mode>_comm_mixed): Merge with *fop_<mode>_comm_mixed_avx.
        (*fop_<mode>_comm_sse): Merge with *fop_<mode>_comm_avx.
        (*fop_<mode>_1_mixed): Merge with *fop_<mode>_1_mixed_avx.
        (*fop_<mode>_1_sse): Merge with *fop_<mode>_1_avx.
        (<smaxmin:code><mode>3): Merge with *avx_<smaxmin:code><mode>3.
        (*ieee_smin<mode>3): Merge with *avx_ieee_smin<mode>3.
        (*ieee_smax<mode>3): Merge with *avx_ieee_smax<mode>3.

        * config/i386/sse.md (VF): New mode iterator.
        (VF1): Ditto.
        (VF2): Ditto.
        (VF_128): Ditto.
        (SSEMODEF4): Remove.
        (attribute sse): Handle V8SF and V4DF modes.
        (<absneg:code><mode>2): Use VF mode iterator.
        (*absneg<mode>2): Merge from *{avx,sse}_absneg<mode>2.  Use VF
        mode iterator.
        (<plusminus_insn><mode>3): Use VF mode iterator.
        (*<plusminus_insn><mode>3): Merge with *avx_<plusminus_insn><mode>3.
        Use VF mode iterator.
        (<sse>_vm<plusminus_insn><mode>3): Merge with
        *avx_vm<plusminus_insn><mode>3.  Use VF_128 mode iterator.
        (mul<mode>3): Use VF mode iterator.
        (*mul<mode>3): Merge with *avx_mul<mode>3.  Use VF mode iterator.
        (<sse>_vmmul<mode>3): Merge with *avx_vmmul<mode>3.  Use VF_128
        mode iterator.
        (div<VF2:mode>3): Merge from divv2df3 and divv4df3.
        (div<VF1:mode>3): Merge from divv4sf3 and divv8sf3.
        (<sse>_div<mode>3): Merge with *avx_div<mode>3.  Use VF mode iterator.
        (<sse>_vmdiv<mode>3): Merge with *avx_vmdiv<mode>3.  Use VF_128
        mode iterator.
        (<sse>_rcp<mode>2): Merge from avx_rcpv8sf2 and sse_rcpv4sf2.
        Use VF1 mode iterator.
        (sse_vmrcpv4sf2): Merge with *avx_vmrcpv4sf2.
        (sqrt<VF2:mode>2): New expander.
        (sqrt<VF1:mode>2): Merge from sqrtv4sf2 and sqrtv8sf2.
        (<sse>_sqrt<mode>2): Merge from avx_sqrtv8sf2, sse_sqrtv4sf, sqrtv4df2
        and sqrtv2df2.  Use VF mode iterator.
        (<sse>_vmsqrt<mode>2): Merge with *avx_vmsqrt<mode>2.  Use VF_128
        mode iterator.
        (rsqrt<VF1:mode>2): Merge from rsqrtv4sf2 and rsqrtv8sf2.
        (<sse>_rsqrt<mode>2): Merge from avx_rsqrtv8sf2 and sse_rsqrt4sf2.
        Use VF1 mode iterator.
        (sse_vmrsqrtv4sf2): Merge with *avx_vmrsqrtv4sf2.
        (<smaxmin:code><mode>3): Use VF mode iterator.
        (*<smaxmin:code><mode>3_finite): Merge with
        *avx_<smaxmin:code><mode>3_finite.  Use VF mode iterator.
        (*<smaxmin:code><mode>3): Merge with *avx_<smaxmin:code><mode>3.
        (<sse>_vm<smaxmin:code><mode>2): Merge with
        *avx_vm<smaxmin:code><mode>2.  Use VF_128 mode iterator.
        (*ieee_smin<mode>3): Merge with *avx_ieee_smin<mode>3.  Use VF
        mode iterator.
        (*ieee_smax<mode>3): Merge with *avx_ieee_smax<mode>3.  Use VF
        mode iterator.
        (sse3_addsubv2df3): Merge with *avx_addsubv2df3.
        (sse3_addsubv4sf3): Merge with *avx_addsubv4sf3.
        (sse3_h<plusminus_insn>v2df3): Merge with *avx_h<plusminus_insn>v2df3.
        (sse3_h<plusminus_insn>v4sf3): Merge with *avx_h<plusminus_insn>v4sf3.
        (avx_cmp<mode>3): Rename from avx_cmp<ssemodesuffix><mode>3.  Use
        VF mode iterator.
        (avx_vmcmp<mode>3): Rename from avx_cmp<ssescalarmodesuffix><mode>3.
        Use VF_128 mode iterator.
        (<sse>_maskcmp<mode>3): Merge with *avx_maskcmp<mode>3.  Use VF
        mode iterator.
        (<sse>_vmmaskcmp<mode>3): Merge with *avx_vmmaskcmp<mode>3.  Use
        VF_128 mode iterator.
        (vcond<mode>): Use VF mode iterator.
        * config/i386/predicates.md (sse_comparison_operator): Merge with
        avx_comparison_float_operator.  Do not declare as special_predicate.
        * config/i386/i386.c (struct builtin_description): Update for renamed
        compare patterns.
        (ix86_expand_args_builtin): Ditto.
        (ix86_expand_sse_compare_mask): Ditto.

2011-04-06  Richard Guenther  <rguenther@suse.de>

        * tree-inline.c (estimate_num_insns): For calls simply account
        for all passed arguments and a used return value.

2011-04-06  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47663
        * cgraph.h (struct cgraph_edge): Add call_stmt_size and
        call_stmt_time fields.
        (cgraph_edge_inlinable_p): Declare.
        (cgraph_edge_recursive_p): New inline function.
        * cgraph.c (cgraph_create_edge_1): Initialize call_stmt_size.
        (cgraph_clone_edge): Copy it.
        * ipa-inline.c (cgraph_estimate_edge_time): New function.
        Account for call stmt time.
        (cgraph_estimate_time_after_inlining): Take edge argument.
        (cgraph_estimate_edge_growth): Account call stmt size.
        (cgraph_estimate_size_after_inlining): Take edge argument.
        (cgraph_mark_inline_edge): Adjust.
        (cgraph_check_inline_limits): Likewise.
        (cgraph_recursive_inlining_p): Remove.
        (cgraph_edge_badness): Use cgraph_edge_recursive_p.
        (cgraph_decide_recursive_inlining): Take edge argument and
        adjust.
        (cgraph_decide_inlining_of_small_functions): Do not avoid
        diags for recursive inlining here.
        (cgraph_flatten): Adjust.
        (cgraph_decide_inlining_incrementally): Likewise.
        (estimate_function_body_sizes): Remove call cost handling.
        (compute_inline_parameters): Initialize caller edge call costs.
        (cgraph_estimate_edge_growth): New function.
        (cgraph_estimate_growth): Use it.
        (cgraph_edge_badness): Likewise.
        (cgraph_check_inline_limits): Take an edge argument.
        (cgraph_decide_inlining_of_small_functions): Adjust.
        (cgraph_decide_inlining): Likewise.
        * tree-inline.c (estimate_num_insns): Only account for call
        return value if it is used.
        (expand_call_inline): Avoid diagnostics on recursive inline
        functions here.
        * lto-cgraph.c (lto_output_edge): Output edge call costs.
        (input_edge): Input edge call costs.

2011-04-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/alpha/osf5.h (MAX_OFILE_ALIGNMENT): Define.

2011-04-06  Jonathan Wakely  <jwakely.gcc@gmail.com>

        * doc/invoke.texi (Spec Files): Fix typo.

2011-04-06  Eric Botcazou  <ebotcazou@adacore.com>

        * profile.c (branch_prob): Move declaration of local variable.  Remove
        obsolete ??? comment.  Expand the location explicitly instead of using
        the LOCATION_FILE and LOCATION_LINE macros.

2011-04-06  Wei Guozhi  <carrot@google.com>

        PR target/47855
        * config/arm/arm.md (arm_cmpsi_insn): Compute attr "length".
        (arm_cond_branch): Likewise.
        (arm_cond_branch_reversed): Likewise.
        (arm_jump): Likewise.
        (push_multi): Likewise.
        * config/arm/constraints.md (Py): New constraint.

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

        PR bootstrap/48471
        * dbxout.c (debug_nesting, symbol_queue, symbol_queue_index):
        Move these...
        (symbol_queue_size, DBXOUT_DECR_NESTING): ...and these...
        (DBXOUT_DECR_NESTING_AND_RETURN): ...and this under
        #ifdef DBX_DEBUGGING_INFO.

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

        PR bootstrap/48403
        * haifa-sched.c (schedule_block): Increment cycle_issued_insns only
        if old and new states differ.

2011-04-05  Joseph Myers  <joseph@codesourcery.com>

        * config/m68k/m68k.c (m68k_handle_option): Don't handle OPT_m5200,
        OPT_m5206e, OPT_m528x, OPT_m5307, OPT_m5407 and OPT_mcfv4e.
        * config/m68k/m68k.h (OPTION_DEFAULT_SPECS, ASM_CPU_SPEC): Don't
        handle -m5200, -m5206e, -m528x, -m5307, -m5407 and -mcfv4e.
        * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407,
        mcfv4e): Use Alias.
        * config/m68k/t-mlibs (MULTILIB_MATCHES): Don't map legacy
        ColdFire options to -mcpu= options.

2011-04-05  Jeff Law  <law@redhat.com>

        * tree-ssa-threadupdate.c (determine_bb_domination_status): Always
        check if BB is a successor of LOOP->header and return
        NONDOMINATING if it is not, regardless of ENABLE_CHECKING.

2011-04-05  Steven Bosscher  <steven@gcc.gnu.org>

        * cprop.c (struct reg_use): Remove.
        (reg_use_table): Make an array of RTX.
        (find_used_regs, constprop_register, local_cprop_pass,
        bypass_block): Simplify users of reg_use_table.
        (cprop_insn): Likewise.  Iterate if copy propagation succeeded
        on one of the uses found by find_used_regs.

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

        PR bootstrap/48469
        * combine.c (combine_instructions): #ifdef AUTO_INC_DEC links
        declaration.

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

        * combine.c (combine_instructions) [AUTO_INC_DEC]: Declare links
        as an rtx.
        (try_combine) [AUTO_INC_DEC]: Declare a local link rtx.

2011-04-05  Steven Bosscher  <steven@gcc.gnu.org>

        PR middle-end/48441
        * cprop.c (one_cprop_pass): Do not mark_oprs_set of deleted insns.

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

        * combine.c: Include obstack.h.
        (struct insn_link): Define.
        (uid_log_links): Adjust type.
        (FOR_EACH_LOG_LINK): New macro.
        (insn_link_obstack): Declare.
        (alloc_insn_link): Define.
        (create_log_links): Call it.  Use FOR_EACH_LOG_LINK and adjust
        type of link variables.
        (find_single_use, insn_a_feeds_b, combine_instructions): Likewise.
        (try_combine, record_promoted_values, distribute_notes): Likewise.
        (distribute_links): Likewise.  Tweak prototype.
        (clear_log_links): Delete.
        (adjust_for_new_dest): Call alloc_insn_link.
        * Makefile.in (combine.o): Depend on $(OBSTACK_H).

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

        * gcse.c (modify_mem_list): Convert to an array of VECs.
        (canon_modify_mem_list, compute_transp): Tweak formatting.
        (alloc_gcse_mem): Likewise.  Adjust for modify_mem_list change.
        (load_killed_in_block_p): Likewise.
        (record_last_mem_set_info): Likewise.
        (clear_modify_mem_tables): Likewise.

2011-04-05  Tom de Vries  <tom@codesourcery.com>

        PR middle-end/48461
        * function.c (emit_use_return_register_into_block): Only define if
        HAVE_return.

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

        * stor-layout.c (self_referential_size): Fix 2010-07-13 commit.

2011-04-05  Joseph Myers  <joseph@codesourcery.com>

        * config/rx/rx-opts.h: New.
        * config/rx/rx.c (rx_cpu_type): Remove.
        (rx_handle_option): Don't assert that global structures are in
        use.  Access variables via opts pointer.  Defer most handling of
        OPT_mint_register_.  Use error_at.
        (rx_option_override): Handle deferred OPT_mint_register_ here.
        * config/rx/rx.h (enum rx_cpu_types): Move to rx-opts.h.
        * config/rx/rx.opt (config/rx/rx-opts.h: New HeaderInclude.
        (mcpu=): Use Enum and specifiy rx_cpu_type with Var.
        (rx_cpu_types): New Enum and EnumValue entries.
        (mint-register=): Use Defer and use Var accordingly.

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

        * debug.h (debug_flush_symbol_queue, debug_queue_symbol): Delete.
        (debug_free_queue, debug_nesting, symbol_queue_index): Delete.
        * final.c (debug_flush_symbol_queue, debug_queue_symbol):
        Move these...
        (debug_free_queue, debug_nesting, symbol_queue_index):
        ...and these...
        * dbxout.c: ...to here.  Make static.

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

        * gcse.c (modify_pair): Define.  Define a VEC of it.
        (canon_modify_mem_list): Convert to an array of VECs.
        (free_insn_expr_list_list): Delete.
        (clear_modify_mem_tables): Call VEC_free instead.
        (record_last_mem_set_info): Don't modify canon_modify_mem_list.
        (alloc_gcse_mem): Adjust for canon_modify_mem_list change.
        (canon_list_insert, compute_transp): Likewise.

2011-04-05  Tom de Vries  <tom@codesourcery.com>

        PR target/43920
        * config/arm/arm.h (BRANCH_COST): Set to 1 for Thumb-2 when optimizing
        for size.

2011-04-05  Tom de Vries  <tom@codesourcery.com>

        PR target/43920
        * function.c (emit_use_return_register_into_block): New function.
        (thread_prologue_and_epilogue_insns): Use
        emit_use_return_register_into_block.

2011-04-05  Tom de Vries  <tom@codesourcery.com>

        PR target/43920
        * cfgcleanup.c (flow_find_cross_jump): Don't count USE or CLOBBER as
        insn.

2011-04-05  Tom de Vries  <tom@codesourcery.com>

        * cfgcleanup.c (try_crossjump_bb): Remove 2 superfluous variables.

2011-04-05  Yufeng Zhang  <yufeng.zhang@arm.com>

        * config/arm/arm.md (define_constants for unspec): Replace with
        define_c_enum.
        (define_constants for unspecv): Replace with define_c_enum.
        * config/arm/neon.md (define_constants for unspec): Replace with
        define_c_enum.

2011-04-04  Richard Henderson  <rth@redhat.com>

        PR bootstrap/48400
        * dwarf2out.c (output_line_info): Always emit line info from
        at least one section.
        (dwarf2out_init): Create text_section_line_info here ...
        (set_cur_line_info_table): ... not here.

2011-04-04  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/48380
        * ira.c (ira): Call grow_reg_equivs when fix_reg_equiv_init is
        not called.

        * ira-emit.c (emit_move_list): Update reg_equiv_init insn list.

2011-04-04  Steven Bosscher  <steven@gcc.gnu.org>

        * cprop.c (struct expr): Split 'expr' field in 'dest' and 'src'.
        (expr_equiv_p): Remove.
        (insert_set_in_table): Look at <dest, src> pair instead of expr.
        (hash_scan_set): Update call to insert_set_in_table.
        (dump_hash_table): Dump <dest, src> pair.
        (lookup_set): Simplify.  Lookup <dest, src> pair.
        (compute_transp): Remove, fold heavily simplified code into...
        (compute_local_properties): ...here.  Expect COMP and TRANSP
        unconditionally.
        (find_avail_set): Take set directly from struct expr.
        (find_bypass-set): Likewise.
        (bypass_block): Likewise.
        (cprop_insn): Likewise.  Remove redundant INSN_P test.

        * cprop.c (implicit_set_cond_p): Assume nothing about COND, move
        checks on form of COND from find_implicit_sets to here.
        (find_implicit_sets): Cleanup control flow. Split critical edges
        if it exposes implicit sets.  Allocate/resize implicit_sets as
        necessary.
        (one_cprop_pass): Only delete unreachable blocks if local_cprop_pass
        changed something.  Run df_analyze after find_implicit_sets if any
        edges were split.  Do not allocate implicit_sets here.

        * cprop.c: s/gcse/cprop/ everywhere except for flag_gcse.
        (gcse_obstack): Renamed to cprop_obstack.
        (GNEW, GNEWVEC, GNEWVAR): Remove.
        (gmalloc): Remove.
        (alloc_hash_table): Use XNEWVAR instead of GNEWVAR.
        (GOBNEW, GOBNEWVAR): Adjust for gcse_obstack renaming.
        (gcse_alloc): Likewise, and rename to cprop_alloc.
        (alloc_gcse_men, free_gcse_mem): Remove.
        (gcse_constant_p): Rename to cprop_constant_p, and adjust all callers.
        (compute_hash_table_work): Allocate and free reg_set_bitmap here.
        (one_cprop_pass): Likewise. Adjust for gcse_obstack renaming.

        * cprop.c (oprs_not_set_p): Remove.
        (mark_set, mark_clobber): Remove.
        (mark_oprs_set): Rewrite using DF_INSN_INFO_DEFS cache.
        (reg_not_set_p): New function.
        (find_avail_set): Use reg_not_set_p instead of oprs_not_set_p.
        (cprop_insn): Likewise.
        (cprop_jump): Use FOR_EACH_EDGE.

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

        PR bootstrap/48403
        * haifa-sched.c (nonscheduled_insns_begin): New static variable.
        (rank_for_schedule): Use scheduled_insns vector instead of
        last_scheduled_insn.
        (ok_for_early_queue_removal): Likewise.
        (queue_to_ready): Search forward in nonscheduled_insns_begin if
        we have a dbg_cnt.
        (choose_ready): Likewise.
        (commit_schedule): Use VEC_iterate.
        (schedule_block): Initialize nonscheduled_insns_begin.  If we have
        a dbg_cnt, use it and ensure the first insn is in the ready list.
        (haifa_sched_init): Allocate scheduled_insns.
        (sched_extend_ready_list): Don't allocate it; reserve space.
        (haifa_sched_finish): Free it.

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

        * optc-gen.awk: Always remove type from Variable entry before
        recording in var_seen.

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

        * cfghooks.c (tidy_fallthru_edges): Add ??? comment.
        * tree-inline.c (delete_unreachable_blocks_update_callgraph): Remove
        call to tidy_fallthru_edges.

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

        * doc/options.texi (ToLower): Document.
        * opt-functions.awk (switch_bit_fields): Initialize cl_tolower field.
        * opts-common.c (decode_cmdline_option): Handle cl_tolower.
        * opts.h (cl_option): Add cl_tolower field.
        * config/rx/rx.c (rx_handle_option): Use strcmp of -mcpu=
        arguments with lowercase strings.
        * config/rx/rx.opt (mcpu=): Add ToLower.
        * config/rx/t-rx (MULTILIB_MATCHES): Don't handle uppercase -mcpu=
        argument.

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

        * config/pdp11/pdp11.h (IRA_COVER_CLASSES): Delete.

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

        * config/vax/vax.c: Include reload.h.

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

        * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Remove.
        * config/sparc/sparc.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
        (sparc_preferred_reload_class): New function.

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

        PR debug/48401
        * cfgexpand.c (expand_gimple_basic_block): Avoid useless assignment.
        Use PAT_VAR_LOCATION_LOC instead of INSN_VAR_LOCATION_LOC.

2011-04-03  Nathan Froyd  <froydnj@codesourcery.com>

        * tree.h (struct tree_const_decl): Inherit from tree_decl_common.
        * tree.c (initialize_tree_contains_struct): Adjust accordingly.

2011-04-03  Anatoly Sokolov  <aesok@post.ru>

        * config/avr/avr.h (ASM_OUTPUT_BSS): Remove.
        (ASM_OUTPUT_ALIGNED_BSS): Define.

2011-04-03  Michael Matz  <matz@suse.de>

        * lto-streamer.h (struct lto_streamer_cache_d): Remove offsets
        and next_slot members.
        (lto_streamer_cache_insert, lto_streamer_cache_insert_at,
        lto_streamer_cache_lookup, lto_streamer_cache_get): Adjust prototypes.
        (lto_streamer_cache_append): Declare.
        * lto-streamer.c (lto_streamer_cache_add_to_node_array): Use
        unsigned index, remove offset parameter, ensure that we append
        or update existing entries.
        (lto_streamer_cache_insert_1): Use unsigned index, remove offset_p
        parameter, update next_slot for append.
        (lto_streamer_cache_insert): Use unsigned index, remove offset_p
        parameter.
        (lto_streamer_cache_insert_at): Likewise.
        (lto_streamer_cache_append): New function.
        (lto_streamer_cache_lookup): Use unsigned index.
        (lto_streamer_cache_get): Likewise.
        (lto_record_common_node): Don't test tree_node_can_be_shared.
        (preload_common_node): Adjust call to lto_streamer_cache_insert.
        (lto_streamer_cache_delete): Don't free offsets member.
        * lto-streamer-out.c (eq_string_slot_node): Use memcmp.
        (lto_output_string_with_length): Use lto_output_data_stream.
        (lto_output_tree_header): Remove ix parameter, don't write it.
        (lto_output_builtin_tree): Likewise.
        (lto_write_tree): Adjust callers to above, don't track and write
        offset, write unsigned index.
        (output_unreferenced_globals): Don't emit all global vars.
        (write_global_references): Use unsigned indices.
        (lto_output_decl_state_refs): Likewise.
        (write_symbol): Likewise.
        * lto-streamer-in.c (lto_input_chain): Move earlier.
        (input_function): Use unsigned index.
        (input_alias_pairs): Don't read and then ignore all global vars.
        (lto_materialize_tree): Remove ix_p parameter, don't read index,
        don't pass it back, use lto_streamer_cache_append.
        (lto_register_var_decl_in_symtab): Use unsigned index.
        (lto_register_function_decl_in_symtab): Likewise.
        (lto_get_pickled_tree): Don't read in or handle offset, read unsigned
        index.
        (lto_get_builtin_tree): Don't read index, use
        lto_streamer_cache_append.
        (lto_read_tree): Adjust call to lto_materialize_tree.

        * ipa-inline.c (cgraph_edge_badness): Move growth calculaton,
        don't use function calls in arguments to MIN.

        * varasm.c (decl_binds_to_current_def_p): Don't check TREE_PUBLIC
        twice.

        * gimple.c (gimple_type_leader_entry): Mark deletable.

2011-04-03  Alan Modra  <amodra@gmail.com>

        * dwarf2out.c (mem_loc_descriptor): Recurse on LO_SUM.

2011-04-03  Michael Matz  <matz@suse.de>

        * tree.c (free_lang_data_in_decl): Zero DECL_VINDEX if it's not
        an integer.
        * tree.h (tree_decl_non_common.vindex): Adjust comment.

2011-04-03  Michael Matz  <matz@suse.de>

        * cgraphbuild.c (record_reference): Canonicalize constructor values.
        * gimple-fold.c (canonicalize_constructor_val): Accept being called
        without function context.
        * cgraphunit.c (cgraph_finalize_compilation_unit): Clear
        current_function_decl and cfun.

2011-04-03  Michael Matz  <matz@suse.de>

        * tree.c (decl_init_priority_insert): Don't create entry for
        default priority.
        (decl_fini_priority_insert): Ditto.
        (fields_compatible_p, find_compatible_field): Remove.
        * tree.h (fields_compatible_p, find_compatible_field): Remove.
        * gimple.c (gimple_compare_field_offset): Adjust block comment.

2011-04-03  Eric Botcazou  <ebotcazou@adacore.com>

        * combine.c (try_combine): Remove useless local variable.

2011-04-03  Richard Guenther  <rguenther@suse.de>
            Ira Rosen  <ira.rosen@linaro.org>

        * tree-if-conv.c (memrefs_read_or_written_unconditionally): Strip all
        non-variable offsets and compare the remaining bases of the two
        accesses instead of looking for exact same data-ref.

2011-04-02  Kai Tietz  <ktietz@redhat.com>

        PR target/48416
        * i386.c (ix86_function_arg_boundary): Fix printf formatter.

        * i386.c (ix86_is_msabi_thiscall): New helper function.
        (ix86_is_type_thiscall): New helper function.
        (ix86_comp_type_attributes): Handle thiscall for method-functions
        special.
        (init_cumulative_args): Likewise.
        (find_drap_reg): Likewise.
        (ix86_static_chain): Likewise.
        (x86_this_parameter): Likewise.
        (x86_output_mi_thunk): Likewise.

2011-04-01  Olivier Hainque  <hainque@adacore.com>
            Nicolas Setton  <setton@adacore.com>
            Eric Botcazou  <ebotcazou@adacore.com>

        * dwarf2out.c (dwarf_attr_name): Map DW_AT_GNAT_descriptive_type.
        (add_gnat_descriptive_type_attribute): New function.
        (gen_array_type_die): Call it.
        (gen_enumeration_type_die): Likewise.
        (gen_struct_or_union_type_die): Likewise.
        (modified_type_die): Likewise.
        * langhooks.h (lang_hooks_for_types): New descriptive_type hook.
        * langhooks-def.h (LANG_HOOKS_DESCRIPTIVE_TYPE): Default to NULL.
        (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_DESCRIPTIVE_TYPE.

2011-04-01  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/48148
        * dwarf2out.c (resolve_addr): Don't call force_decl_die
        if DECL_EXTERNAL has non-NULL DECL_ABSTRACT_ORIGIN.

        Revert:
        2011-03-17  Richard Guenther  <rguenther@suse.de>

        PR bootstrap/48148
        * lto-cgraph.c (input_overwrite_node): Clear the abstract
        origin for decls in other ltrans units.
        (input_varpool_node): Likewise.

2011-04-01  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/48335
        * expr.c (expand_assignment): Handle all possibilities
        if TO_RTX is CONCAT.
        * expmed.c (store_bit_field_1): Avoid trying to create invalid SUBREGs.
        (store_split_bit_field): If SUBREG_REG (op0) or
        op0 itself has smaller mode than word, return it
        for offset 0 and const0_rtx for out-of-bounds stores.
        If word is const0_rtx, skip it.

2011-04-01  Naveen H.S  <naveen.S@kpitcummins.com>

        * config/h8300/h8300.c (print_operand_address): Rename to...
        (h8300_print_operand_address): ...this. Make static. Adjust comments.
        Call h8300_print_operand and h8300_print_operand_address instead of
        print_operand and print_operand_address. Declare.
        (print_operand): Renake to...
        (h8300_print_operand): ...this. Make static. Adjust comments.
        Call h8300_print_operand instead of print_operand. Declare.
        (h8300_print_operand_punct_valid_p): Moved from h8300.h file.
        (h8300_register_move_cost): Likewise.
        (TARGET_PRINT_OPERAND_PUNCT_VALID_P, TARGET_PRINT_OPERAND
        TARGET_PRINT_OPERAND_ADDRESS, TARGET_REGISTER_MOVE_COST): Define.
        * config/h8300/h8300.h (PRINT_OPERAND_ADDRESS, PRINT_OPERAND
        PRINT_OPERAND_PUNCT_VALID_P, REGISTER_MOVE_COST): Delete.
        * config/h8300/h8300-protos.h (print_operand): Delete.
        (print_operand_address): Delete.

2011-04-01  Richard Henderson  <rth@redhat.com>

        PR 48400
        * dwarf2out.c (dwarf2out_source_line): Disable discriminators
        in strict mode before dwarf4.  Re-order tests to early out
        before switching sections.

2011-04-01  Nathan Froyd  <froydnj@codesourcery.com>

        * config/h8300/constraints.md: New file.
        * config/h8300/h8300.md: Include it.  Use satisfies_constraint_J,
        satisfies_constraint_L, and satisfies_constraint_N for peephole2s.
        (*tst_extzv_1_n, *tstsi_variable_bit_qi): Use satisfies_constraint_U.
        * config/h8300/predicates.md (bit_operand): Likewise.
        (incdec_operand): Use satisfies_constraint_M and
        satisfies_constraint_O.  Don't use C code block.
        * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Delete.
        * config/h8300/h8300.c (h8300_reg_class_from_letter): Delete.
        (compute_mov_length): Use satisfies_constraint_G.
        (fix_bit_operand): Use satisfies_constraint_U.
        * config/h8300/h8300.h (REG_CLASS_FROM_LETTER): Delete.
        (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_L): Delete.
        (CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O): Delete.
        (CONST_OK_FOR_Ppositive, CONST_OK_FOR_Pnegative): Delete.
        (CONST_OK_FOR_P, CONSTRAINT_LEN_FOR_P): Delete.
        (CONST_OK_FOR_CONSTRAINT_P, CONST_OK_FOR_LETTER_P): Delete.
        (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
        (OK_FOR_Q, OK_FOR_R, OK_FOR_S, OK_FOR_T, OK_FOR_U, OK_FOR_WU): Delete.
        (OK_FOR_W, CONSTRAINT_LEN_FOR_W, OK_FOR_Y2, OK_FOR_Y0): Delete.
        (OK_FOR_Y, CONSTRAINT_LEN_FOR_Y, OK_FOR_Z): Delete.
        (EXTRA_CONSTRAINT_STR, CONSTRAINT_LEN): Delete.
        (EXTRA_MEMORY_CONSTRAINT): Delete.

2011-04-01  Andrew Pinski  <pinskia@gmail.com>
            Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/48262
        * config/rs6000/vector.md (movmisalign<mode>): Allow for memory
        operands, as per the specifications.

        * config/rs6000/altivec.md (vec_extract_evenv4si): Correct modes.
        (vec_extract_evenv4sf): Ditto.
        (vec_extract_evenv8hi): Ditto.
        (vec_extract_evenv16qi): Ditto.
        (vec_extract_oddv4si): Ditto.

2011-03-31  Mark Wielaard  <mjw@redhat.com>

        * dwarf2out.c (dwarf2out_finish): Don't add low_pc and/or
        high_pc attribute if the CU has no associated code. Only output
        DW_AT_entry_pc for CU if not generating strict dwarf and
        dwarf_version < 4.

2011-04-01  Bernd Schmidt  <bernds@codesourcery.com>

        * dwarf2out.h (dwarf2out_frame_debug_init): Declare.
        * dwarf2out.c (dwarf2out_frame_debug_init): New function, broken
        out of ...
        (dwarf2out_frame_debug): ... here. Don't handle a NULL argument.
        * final.c (final_start_function): Call the new function rather
        than using a NULL argument for dwarf2out_frame_debug.

        * ifcvt.c (cond_exec_process_insns): Disallow converting a block
        that contains the prologue.

        * haifa-sched.c (queue_insn): New arg REASON.  All callers
        changed.  Print it in debugging output.

        * sched-ebb.c (schedule_ebbs): Honor the BB_DISABLE_SCHEDULE flag.

        * sched-ebb.c (begin_schedule_ready): Remove second argument.
        Split most of the code into...
        (begin_move_insn): ... here.  New function.
        (ebb_sched_info): Add a pointer to it.
        * haifa-sched.c (scheduled_insns): New static variable.
        (sched_extend_ready_list): Allocate it.
        (schedule_block): Use it to record the order of scheduled insns.
        Perform RTL changes to move insns only after all scheduling
        decisions have been made.
        * modulo-sched.c (sms_sched_haifa_sched_info): Add NULL entry for the
        begin_move_insn field.
        * sel-sched-ir.c (sched_sel_haifa_sched_info): Likewise.
        * sched-int.h (struct haifa_sched_info): Remove second argument
        from begin_schedule_ready hook.  Add new member begin_move_insn.
        * sched-rgn.c (begin_schedule_ready): Remove second argument.
        (rgn_const_sched_info): Add NULL entry for the begin_move_insn field.

        * haifa-sched.c (prune_ready_list): New function, broken out of
        schedule_block.
        (schedule_block): Use it.

2011-04-01  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/t-spu-elf (dp-bit.c): Use > instead of >>.

2011-04-01  Kai Tietz  <ktietz@redhat.com>

        * config.gcc (*-*-mingw*): Allow as option the
        posix threading model.
        * config/i386/mingw32.h (SPEC_PTHREAD1,  SPEC_PTHREAD2):
        New macros defined dependent to TARGET_USE_PTHREAD_BY_DEFAULT
        definition.
        (CPP_SPEC): Add pthread/no-pthread handling.
        (LIB_SPEC): Likewise.
        * config/i386/mingw-w64.h (CPP_SPEC):Likewise.
        (LIB_SPEC): Likewise.
        * config/i386/t-cygming (SHLIB_PTHREAD_CFLAG): New
        flag to pass -pthread option for shared libgcc build.
        (SHLIB_PTHREAD_LDFLAG): New option to pass -lpthread
        for shared libgcc build.
        * config/i386/t-mingw-pthread: New file.
        * config/i386/mingw-pthread.h (TARGET_USE_PTHREAD_BY_DEFAULT):
        New define to enable use of library pthread by default.
        * config/i386/mingw.opt (pthread): New driver option.
        (no-pthread): New driver option.
        * config/i386/cygming.opt: Make sure trailing empty line is retained.
        * config/i386/mingw-w64.opt: Likewise.

2011-04-01  Gary Funck  <gary@intrepid.com>

        * c-decl.c (grokdeclarator): Fix formatting.

2011-04-01  Richard Sandiford  <richard.sandiford@linaro.org>

        * expr.c (emit_block_move_via_movmem): Use n_generator_args
        instead of n_operands.
        (set_storage_via_setmem): Likewise.
        * optabs.c (maybe_gen_insn): Likewise.
        * config/arm/arm.c (arm_init_neon_builtins): Likewise.
        * config/mips/mips.c (mips_expand_builtin_compare_1): Likewise.
        (mips_expand_builtin_direct): Likewise.
        * config/spu/spu.c (expand_builtin_args): Likewise.

2011-04-01  Richard Sandiford  <richard.sandiford@linaro.org>

        * recog.h (insn_data_d): Add n_generator_args.
        * genoutput.c (data): Likewise.
        (output_insn_data): Print it.
        (max_opno, num_dups): Delete.
        (scan_operands): Just fill in "d->operand[...]".
        (gen_insn, gen_peephole, gen_expand, gen_split): Use get_pattern_stats.

2011-04-01  Richard Sandiford  <richard.sandiford@linaro.org>

        * gensupport.h (pattern_stats): New structure.
        * gensupport.c (get_pattern_stats_1, get_pattern_stats): New functions.
        * genemit.c (max_opno, max_dupno, max_scratch_opno): Delete.
        (max_operand_1, max_operand_vec): Delete.
        (gen_insn, gen_expand, gen_split): Use get_pattern_stats.

2011-03-31  Nathan Froyd  <froydnj@codesourcery.com>

        * emit-rtl.c (emit_pattern_after_setloc): New function.
        (emit_insn_after_setloc, emit_jump_insn_after_setloc): Call it.
        (emit_call_insn_after_setloc, emit_debug_insn_after_setloc): Likewise.
        (emit_pattern_after): New function.
        (emit_insn_after, emit_jump_insn_after): Call it.
        (emit_call_insn_after, emit_debug_insn_after): Likewise.
        (emit_pattern_before_setloc): New function.
        (emit_insn_before_setloc, emit_jump_insn_before_setloc): Call it.
        (emit_call_insn_before_setloc, emit_debug_insn_before_setloc):
        Likewise.
        (emit_pattern_before): New function.
        (emit_insn_before, emit_jump_insn_before): Call it.
        (emit_call_insn_before, emit_debug_insn_before): Likewise.

2011-03-31  Richard Henderson  <rth@redhat.com>

        * dwarf2out.c (dw_separate_line_info_ref): Remove.
        (dw_separate_line_info_entry): Remove.
        (enum dw_line_info_opcode): New.
        (dw_line_info_entry): Use it.
        (dw_line_info_table, dw_line_info_table_p): New.
        (DWARF_LINE_OPCODE_BASE): Include dwarf3 opcodes.
        (line_info_table, line_info_label_num): Remove.
        (line_info_table_in_use): Remove.
        (separate_line_info_table): Remove.
        (separate_line_info_table_allocated): Remove.
        (separate_line_info_table_in_use): Remove.
        (LINE_INFO_TABLE_INCREMENT): Remove.
        (line_info_label_num): New.
        (cur_line_info_table): New.
        (text_section_line_info, cold_text_section_line_info): New.
        (separate_line_info): New.
        (SEPARATE_LINE_CODE_LABEL): Remove.
        (print_dwarf_line_table): Remove.
        (debug_dwarf): Don't dump it.
        (output_one_line_info_table): New.
        (output_line_info): Use it.
        (new_line_info_table): New.
        (set_cur_line_info_table): New.
        (dwarf2out_switch_text_section): Use it.
        (dwarf2out_begin_function): Likewise.
        (push_dw_line_info_entry): New.
        (dwarf2out_source_line): Rewrite for new line info tables.
        (dwarf2out_init): Remove dead initailizations.

2011-03-31  Joseph Myers  <joseph@codesourcery.com>

        * opts.h (cl_option): Add comments to fields.  Add bit-fields for
        various flags.
        (CL_SEPARATE_NARGS_SHIFT, CL_SEPARATE_NARGS_MASK,
        CL_SEPARATE_ALIAS, CL_NO_DRIVER_ARG, CL_REJECT_DRIVER, CL_SAVE,
        CL_DISABLED, CL_REPOR, CL_REJECT_NEGATIVE, CL_MISSING_OK,
        CL_UINTEGER, CL_NEGATIVE_ALIAS): Remove.
        (CL_JOINED, CL_SEPARATE, CL_UNDOCUMENTED): Update bit positions.
        * opt-functions.awk (flag_init, switch_bit_fields): New.
        (switch_flags): Don't handle flags moved to bit-fields.  Don't
        generate CL_MISSING_OK or CL_SAVE.
        * optc-gen.awk: Update to generate bit-field output as well as
        flags field.
        * gcc.c (driver_wrong_lang_callback): Use cl_reject_driver
        bit-field instead of CL_REJECT_DRIVER flag.
        * opts-common.c (generate_canonical_option,
        decode_cmdline_option): Use bit-fields instead of CL_* flags.
        * opts.c (maybe_default_option): Use cl_reject_negative bit-field
        instead of CL_REJECT_NEGATIVE flag.
        * toplev.c (print_switch_values): Use cl_report bit-field instead
        of CL_REPORT flag.

2011-03-31  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-ssa-pre.c (create_component_ref_by_pieces_1) <ARRAY_REF>: Drop
        a zero minimum index only if it is redundant.

2011-03-31  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/48381
        * ira-color.c (assign_hard_reg): Use hard reg set intersection
        instead of ira_class_hard_reg_index for calculating conflicting
        hard registers.

2011-03-31  Steven Bosscher  <steven@gcc.gnu.org>

        * cprop.c: Clean up hash table building.
        (reg_avail_info): Remove.
        (oprs_available_p): Remove.
        (record_last_reg_set_info): Remove.
        (record_last_set_info): Remove.
        (reg_available_p): New function.
        (gcse_constant_p): Do not treat unfolded conditions as constants.
        (make_set_regs_unavailable): New function.
        (hash_scan_set): Simplify with new reg_available_p.
        (compute_hash_table_work): Traverse insns stream only once.
        Do not compute reg_avail_info. Traverse insns in reverse order.
        Record implicit sets after recording explicit sets from the block.

2011-03-31  Michael Matz  <matz@suse.de>

        * builtins.c (build_va_arg_indirect_ref): Use build_simple_mem_ref_loc.

2011-03-31  Anatoly Sokolov  <aesok@post.ru>

        * config/h8300/h8300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove macro.
        * config/h8300/h8300-protos.h (h8300_get_index): Remove.
        * config/h8300/h8300.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
        (h8300_mode_dependent_address_p): New function.
        (h8300_get_index): Make static.

2011-03-31  Jeff Law  <law@redhat.com>

        * reload1.c (elimination_effects): Fix typo in recent change.

        * tree-ssa-forwprop.c (forward_propagate_into_cond): Avoid
        typo potentially leading to null pointer dereference.

        * caller-save.c (new_saved_hard_reg): Eliminate return value.
        (setup_save_areas): Corresponding changes to avoid useless
        assignments.

        * jump.c (reversed_comparison_code_parts): Avoid successive return
        statements when REVERSE_CONDITION is defined.

        * expr.c (expand_assignment): Avoid useless assignments.
        (expand_expr_real_1): Likewise.
        (expand_expr_real_2): Avoid useless statements.

        * tree-ssa-phiopt.c (minmax_replacement): Avoid useless statement.

        * cfgexpand.c (expand_gimple_basic_block): Avoid useless assignment.

        * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Avoid useless
        statements.

        * stmt.c (expand_expr_stmt): Avoid useless assignment.

2011-03-31  Joseph Myers  <joseph@codesourcery.com>

        PR target/47109
        * doc/tm.texi.in (TARGET_VERSION): Remove.
        * doc/tm.texi: Regenerate.
        * system.h (TARGET_VERSION, MACHINE_TYPE): Poison.
        * collect2.c (main): Don't use TARGET_VERSION.
        * mips-tdump.c (main): Don't use TARGET_VERSION.
        * mips-tfile.c (main): Don't use TARGET_VERSION.
        * config.gcc (powerpc-wrs-vxworksae): Don't use rs6000/vxworksae.h.
        * config/rs6000/vxworksae.h: Remove.
        * config/alpha/alpha.h (TARGET_VERSION): Remove.
        * config/alpha/freebsd.h (TARGET_VERSION): Remove.
        * config/alpha/linux-elf.h (TARGET_VERSION): Remove.
        * config/alpha/netbsd.h (TARGET_VERSION): Remove.
        * config/alpha/vms.h (TARGET_NAME, TARGET_VERSION): Remove.
        * config/arm/arm.h (TARGET_VERSION): Remove.
        * config/arm/coff.h (TARGET_VERSION): Remove.
        * config/arm/ecos-elf.h (TARGET_VERSION): Remove.
        * config/arm/elf.h (TARGET_VERSION): Remove.
        * config/arm/freebsd.h (TARGET_VERSION): Remove.
        * config/arm/linux-elf.h (TARGET_VERSION): Remove.
        * config/arm/netbsd-elf.h (TARGET_VERSION): Remove.
        * config/arm/pe.h (TARGET_VERSION): Remove.
        * config/arm/rtems-elf.h (TARGET_VERSION): Remove.
        * config/arm/semi.h (TARGET_VERSION): Remove.
        * config/arm/uclinux-elf.h (TARGET_VERSION): Remove.
        * config/arm/unknown-elf.h (TARGET_VERSION): Remove.
        * config/arm/vxworks.h (TARGET_VERSION): Remove.
        * config/avr/avr.h (TARGET_VERSION): Remove.
        * config/bfin/bfin.h (TARGET_VERSION): Remove.
        * config/fr30/fr30.h (TARGET_VERSION): Remove.
        * config/frv/frv.h (TARGET_VERSION): Remove.
        * config/h8300/h8300.h (TARGET_VERSION): Remove.
        * config/i386/cygwin.h (TARGET_VERSION): Remove.
        * config/i386/darwin.h (TARGET_VERSION): Remove.
        * config/i386/darwin64.h (TARGET_VERSION): Remove.
        * config/i386/djgpp.h (TARGET_VERSION): Remove.
        * config/i386/freebsd.h (TARGET_VERSION): Remove.
        * config/i386/freebsd64.h (TARGET_VERSION): Remove.
        * config/i386/gnu.h (TARGET_VERSION): Remove.
        * config/i386/i386-interix.h (TARGET_VERSION): Remove.
        * config/i386/i386elf.h (TARGET_VERSION): Remove.
        * config/i386/linux.h (TARGET_VERSION): Remove.
        * config/i386/linux64.h (TARGET_VERSION): Remove.
        * config/i386/lynx.h (TARGET_VERSION): Remove.
        * config/i386/mingw32.h (TARGET_VERSION): Remove.
        * config/i386/netbsd-elf.h (TARGET_VERSION): Remove.
        * config/i386/netbsd64.h (TARGET_VERSION): Remove.
        * config/i386/netware.h (TARGET_VERSION): Remove.
        * config/i386/nto.h (TARGET_VERSION): Remove.
        * config/i386/openbsd.h (TARGET_VERSION): Remove.
        * config/i386/vxworks.h (TARGET_VERSION): Remove.
        * config/ia64/elf.h (TARGET_VERSION): Remove.
        * config/ia64/freebsd.h (TARGET_VERSION): Remove.
        * config/ia64/hpux.h (TARGET_VERSION): Remove.
        * config/ia64/linux.h (TARGET_VERSION): Remove.
        * config/ia64/vms.h (TARGET_NAME, TARGET_VERSION): Remove.
        * config/iq2000/iq2000.h (IQ2000_VERSION, MACHINE_TYPE,
        TARGET_VERSION_INTERNAL, TARGET_VERSION): Remove.
        * config/lm32/lm32.h (TARGET_VERSION): Remove.
        * config/lm32/uclinux-elf.h (TARGET_VERSION): Remove.
        * config/m32c/m32c.h (TARGET_VERSION): Remove.
        * config/m32r/linux.h (LINUX_DEFAULT_ELF, TARGET_VERSION): Remove.
        * config/m32r/m32r.h (TARGET_VERSION): Remove.
        * config/m68k/linux.h (TARGET_VERSION): Remove.
        * config/m68k/m68k.h (TARGET_VERSION): Remove.
        * config/m68k/netbsd-elf.h (TARGET_VERSION): Remove.
        * config/m68k/uclinux.h (TARGET_VERSION): Remove.
        * config/mcore/mcore-elf.h (TARGET_VERSION): Remove.
        * config/mep/mep.h (TARGET_VERSION): Remove.
        * config/microblaze/microblaze.h (MICROBLAZE_VERSION,
        MACHINE_TYPE, TARGET_VERSION_INTERNAL, TARGET_VERSION): Remove.
        * config/mips/iris6.h (MACHINE_TYPE): Remove.
        * config/mips/linux.h (TARGET_VERSION): Remove.
        * config/mips/netbsd.h (MACHINE_TYPE): Remove.
        * config/mips/vxworks.h (TARGET_VERSION): Remove.
        * config/mmix/mmix.h (TARGET_VERSION): Remove.
        * config/mn10300/linux.h (TARGET_VERSION): Remove.
        * config/mn10300/mn10300.h (TARGET_VERSION): Remove.
        * config/pa/pa.h (TARGET_VERSION): Remove.
        * config/pdp11/pdp11.h (TARGET_VERSION): Remove.
        * config/picochip/picochip.h (TARGET_VERSION): Remove.
        * config/rs6000/aix.h (TARGET_VERSION): Remove.
        * config/rs6000/darwin.h (TARGET_VERSION): Remove.
        * config/rs6000/darwin64.h (TARGET_VERSION): Remove.
        * config/rs6000/eabi.h (TARGET_VERSION): Remove.
        * config/rs6000/eabialtivec.h (TARGET_VERSION): Remove.
        * config/rs6000/eabisim.h (TARGET_VERSION): Remove.
        * config/rs6000/eabispe.h (TARGET_VERSION): Remove.
        * config/rs6000/freebsd.h (TARGET_VERSION): Remove.
        * config/rs6000/linux.h (TARGET_VERSION): Remove.
        * config/rs6000/linux64.h (TARGET_VERSION): Remove.
        * config/rs6000/linuxaltivec.h (TARGET_VERSION): Remove.
        * config/rs6000/linuxspe.h (TARGET_VERSION): Remove.
        * config/rs6000/lynx.h (TARGET_VERSION): Remove.
        * config/rs6000/netbsd.h (TARGET_VERSION): Remove.
        * config/rs6000/sysv4.h (TARGET_VERSION): Remove.
        * config/rs6000/vxworks.h (TARGET_VERSION): Remove.
        * config/s390/linux.h (TARGET_VERSION): Remove.
        * config/s390/s390.h (TARGET_VERSION): Remove.
        * config/s390/tpf.h (TARGET_VERSION): Remove.
        * config/score/score.h (TARGET_VERSION): Remove.
        * config/sh/linux.h (TARGET_VERSION): Remove.
        * config/sh/netbsd-elf.h (TARGET_VERSION_ENDIAN,
        TARGET_VERSION_CPU, TARGET_VERSION): Remove.
        * config/sh/sh.h (TARGET_VERSION): Remove.
        * config/sh/sh64.h (TARGET_VERSION): Remove.
        * config/sh/superh.h (TARGET_VERSION): Remove.
        * config/sh/vxworks.h (TARGET_VERSION): Remove.
        * config/sparc/freebsd.h (TARGET_VERSION): Remove.
        * config/sparc/linux.h (TARGET_VERSION): Remove.
        * config/sparc/linux64.h (TARGET_VERSION): Remove.
        * config/sparc/netbsd-elf.h (TARGET_VERSION, TARGET_NAME64,
        TARGET_NAME32, TARGET_NAME): Remove.
        * config/sparc/openbsd64.h (TARGET_VERSION): Remove.
        * config/sparc/sp-elf.h (TARGET_VERSION): Remove.
        * config/sparc/sp64-elf.h (TARGET_VERSION): Remove.
        * config/sparc/sysv4.h (TARGET_VERSION): Remove.
        * config/sparc/vxworks.h (TARGET_VERSION): Remove.
        * config/spu/spu.h (TARGET_VERSION): Remove.
        * config/stormy16/stormy16.h (TARGET_VERSION): Remove.
        * config/v850/v850.h (TARGET_VERSION): Remove.
        * config/vax/linux.h (TARGET_VERSION): Remove.
        * config/vax/vax.h (TARGET_NAME, TARGET_VERSION): Remove.
        * config/xtensa/elf.h (TARGET_VERSION): Remove.
        * config/xtensa/linux.h (TARGET_VERSION): Remove.

2011-03-31  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/48142
        * config/i386/i386.c (ix86_adjust_stack_and_probe): Differentiate
        frame-related from frame-unrelated adjustments to the stack pointer.

2011-03-31  Jakub Jelinek  <jakub@redhat.com>

        * common.opt (fdebug-types-section): Move earlier.
        * doc/invoke.texi: Fix up -fno-debug-types-section documentation.

2011-03-31  Andreas Tobler  <andreast@fgznet.ch>

        * config/rs6000/rs6000.c (rs6000_handle_option): Remove unused isel
        var.

2011-03-30  Nathan Froyd  <froydnj@codesourcery.com>

        * tree.h (CASE_CHAIN): Define.
        * tree-cfg.c (edge_to_cases_cleanup, get_cases_for_edge): Use it.
        (gimple_redirect_edge_and_branch): Likewise.

2011-03-30  Vladimir Makarov  <vmakarov@redhat.com>

        PR middle-end/48367
        * ira-costs.c (find_costs_and_classes): Fix a typo in i_mem_cost
        calculation.

2011-03-30  Jeff Law  <law@redhat.com>

        * PR bootstrap/48371
        * reload1.c (reload): Fix botch in last change.

        * reload.h (struct reload): Fix typo introduced in last change.

2011-03-30  Joseph Myers  <joseph@codesourcery.com>

        * config/arm/arm.opt (mhard-float, msoft-float): Mark
        Undocumented.  Remove help text.
        * doc/invoke.texi (ARM Options): Don't document -msoft-float and
        -mhard-float.

2011-03-30  Joseph Myers  <joseph@codesourcery.com>

        * doc/options.texi (NegativeAlias): Document.
        (Alias): Mention NegativeAlias.
        * opt-functions.awk: Handle NegativeAlias.
        * optc-gen.awk: Disallow NegativeAlias with multiple Alias arguments.
        * opts-common.c (decode_cmdline_option): Handle CL_NEGATIVE_ALIAS.
        * opts.h (CL_NEGATIVE_ALIAS): Define.
        * config/rs6000/rs6000.c (rs6000_parse_yes_no_option): Remove.
        (rs6000_handle_option): Don't handle OPT_mvrsave_, OPT_misel_ and
        OPT_mspe_.
        * config/rs6000/rs6000.opt (mvrsave=, misel=, mspe=): Replace with
        Alias entries.
        * config/rs6000/t-spe (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Use
        mno-spe and mno-isel instead of mspe=no and -misel=no.

2011-03-29  Mark Wielaard  <mjw@redhat.com>

        * common.opt (fdebug-types-section): New flag.
        * doc/invoke.texi: Document new -fno-debug-types-section flag.
        * dwarf2out.c (use_debug_types): New define.
        (struct die_struct): Mark die_id with GTY desc use_debug_types.
        (print_die): Guard output of type unit signatures using
        use_debug_types.
        (build_abbrev_table): Replace assert of dwarf_version >= 4
        with assert on use_debug_types.
        (size_of_die): Likewise.
        (unmark_dies): Likewise.
        (value_format): Decide AT_ref_external form on use_debug_types.
        (output_die): Replace dwarf_version version check guard with
        use_debug_types where appropriate.
        (modified_type_die): Likewise.
        (gen_reference_type_die): Likewise.
        (dwarf2out_start_source_file): Likewise.
        (dwarf2out_end_source_file): Likewise.
        (prune_unused_types_walk_attribs): Likewise.
        (dwarf2out_finish): Likewise.

2011-03-30  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-color.c (ira_assign_hard_reg): Use only one variable 'mode'.

2011-03-30  Richard Sandiford  <richard.sandiford@linaro.org>

        PR rtl-optimization/48332
        * optabs.c (expand_binop_directly): Set xmodeN to the target-mandated
        mode of input operand N and modeN to its actual mode.

2011-03-30  Jeff Law  <law@redhat.com>

        * reload.h (reg_equiv_constant): Move into new structure reg_equivs,
        define accessor macro.
        (reg_equiv_invariant, reg_equiv_memory_loc): Likewise.
        (reg_equiv_address, reg_equiv_mem, reg_equiv_alt_mem_list): Likewise.
        (reg_equiv_init): Likewise.
        (reg_equivs_size): New variable.
        (reg_equiv_init_size): Remove.
        (allocate_initial_values): Move prototype to here from....
        * integrate.h (allocate_initial_values): Remove prototype.
        * integrate.c: Include reload.h.
        (allocate_initial_values): Corresponding changes.
        * ira.c (find_reg_equiv_invariant_cost): Corresponding changes.
        (fix_reg_equiv_init, no_equiv): Corresponding changes.
        (update_equiv_regs): Corresponding changes.
        (ira): Corresponding changes.
        * reload.c (push_reg_equiv_alt_mem): Corresponding changes.
        (push_secondary_reload): Corresponding changes.
        (push_reload, find_reloads, find_reloads_toplev): Corresponding changes.
        (make_memloc, find_reloads_address): Corresponding changes.
        (subst_reg_equivs, subst_indexed_address): Corresponding changes.
        (find_reloads_address_1): Corresponding changes.
        (find_reloads_subreg_address, subst_reloads): Corresponding changes.
        (refers_to_regno_for_reload_p): Corresponding changes.
        (reg_overlap_mentioned_for_reload_p): Corresponding changes.
        (refers_to_mem_for_reload_p, find_equiv_reg): Corresponding changes.
        * reload1.c: Include ggc.h.
        (grow_reg_equivs): New function.
        (replace_pseudos_in, reload): Corresponding changes.
        (calculate_needs_all_insns, alter_regs): Corresponding changes.
        (eliminate_regs_1, elimination_effects): Corresponding changes.
        (emit_input_reload_insns, emit_output_reload_insns): Likewise.
        (delete_output_reload): Likewise.
        * caller-save.c (mark_referenced_regs): Corresponding changes.
        * alpha/alpha.c (resolve_reload_operand): Corresponding changes.
        * frv/predicates.md (frv_load_operand): Corresponding changes.
        * microblaze/microblaze.c (double_memory_operand): Corresponding
        changes.
        * avr/avr.h (LEGITIMIZE_RELOAD_ADDRESS): Corresponding changes.
        * xtensa/xtensa.c (fixup_subreg_mem): Corresponding changes.
        * mn10300/mn10300.c (mn10300_secondary_reload): Corresponding changes.
        * m68k/m68k.c (emit_move_sequence): Corresponding changes.
        * arm/arm.c (arm_reload_in_hi, arm_reload_out_hi): Corresponding
        changes.
        * pa/pa.c (emit_move_sequence): Corresponding changes.
        * vax/vax.c (nonindexed_address_p): Corresponding changes.

2011-03-30  Richard Sandiford  <richard.sandiford@linaro.org>

        PR target/47551
        * config/arm/arm.c (coproc_secondary_reload_class): Handle
        structure modes.  Don't check neon_vector_mem_operand for
        vector or structure modes.

2011-03-30  Richard Sandiford  <richard.sandiford@linaro.org>
            Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

        PR target/43590
        * config/arm/neon.md (neon_vld3qa<mode>, neon_vld4qa<mode>): Remove
        operand 1 and reshuffle the operands to match.
        (neon_vld3<mode>, neon_vld4<mode>): Update accordingly.

2011-03-30  Christian Schüler  <cschueler@gmx.de>

        PR driver/48208
        * config/c.opt (F): Added 'Driver' to -F option.

        PR driver/48260
        * config/darwin-driver.c (darwin_driver_init): Add '-arch' to
          handler function.
        * config/darwin.opt: Added '-arch' option.

2011-03-30  Nick Clifton  <nickc@redhat.com>

        * config/rx/rx.md: Add peepholes and patterns to combine
        extending loads and simple arithmetic instructions.
        * config/rx/rx.h (ADJUST_INSN_LENGTH): Define.
        * config/rx/rx-protos.h (rx_adjust_insn_length): Prototype.
        * config/rx/rx.c (rx_is_legitimate_address): Allow QI and HI
        modes to use pre-decrement and post-increment addressing.
        (rx_is_restricted_memory_address): Add range checking of REG+INT
        addresses.
        (rx_print_operand): Add support for %Q.  Fix handling of %Q.
        (rx_memory_move_cost): Adjust cost of stores.
        (rx_adjust_insn_length): New function.

2011-03-30  Jakub Jelinek  <jakub@redhat.com>

        PR c/48305
        * fold-const.c (fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Make sure
        arg10/arg11 in (X ^ Y) == (Z ^ W) are always fold converted to
        matching arg00/arg01 types.

2011-03-30  Eric Botcazou  <ebotcazou@adacore.com>

        * cfglayout.c (insn_locators_alloc): Initialize curr_location and
        last_location to UNKNOWN_LOCATION.

2011-03-30  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/48349
        * config/i386/i386.h (REG_CLASS_CONTENTS): Fix a typo in
        FLOAT_SSE_REGS.

2011-03-30  Joseph Myers  <joseph@codesourcery.com>
            Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR bootstrap/48337
        * config/sparc/sparc.opt (sparc_cpu_and_features): Add
        Init(PROCESSOR_V7).
        (sparc_cpu): Likewise.
        * config/sparc/sparc.c (sparc_option_override): Replace 0 by
        PROCESSOR_V7.

2011-03-29  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/48336
        PR middle-end/48342
        PR rtl-optimization/48345
        * ira-color.c (setup_conflict_profitable_regs): Exclude prohibited
        hard regs for given mode from profitable regs when doing secondary
        allocation.

2011-03-29  Jeff Law  <law@redhat.com>

        PR bootstrap/48327
        * tree-ssa-threadupdate.c (struct redirection_data): Remove
        do_not_duplicate field.
        (lookup_redirection_data): Corresponding changes.
        (create_duplicates): Always create a template block.
        (redirect_edges): Remove code which reused the original block
        when it was going to become unreachable code.
        (thread_block): Don't set do_not_duplicate field.

2011-03-29  Joseph Myers  <joseph@codesourcery.com>

        * lto-opts.c (register_user_option_p, lto_register_user_option):
        Make type argument unsigned.
        * lto-streamer.h (lto_register_user_option): Make type argument
        unsigned.
        * opth-gen.awk: Make CL_* macros unsigned.
        * opts-common.c (find_opt): Make lang_mask argument unsigned.
        * opts.h (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_DRIVER,
        CL_TARGET, CL_COMMON, CL_SEPARATE_NARGS_MASK, CL_SEPARATE_ALIAS,
        CL_NO_DRIVER_ARG, CL_REJECT_DRIVER, CL_SAVE, CL_DISABLED,
        CL_REPORT, CL_JOINED, CL_SEPARATE, CL_REJECT_NEGATIVE,
        CL_MISSING_OK, CL_UINTEGER, CL_UNDOCUMENTED): Make unsigned.
        (find_opt): Make lang_mask argument unsigned.

2011-03-29  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/48331
        PR rtl-optimization/48334
        * ira-color.c (color_allocnos): Call setup_profitable_hard_regs
        for any used algorithm.

2011-03-29  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-conflicts.c (build_object_conflicts): Add unused attribute
        to parent_max.

2011-03-29  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.c (alpha_sr_alias_set): Don't define.
        (alpha_option_override): Don't set alpha_sr_alias_set.
        (emit_frame_store_1): Use gen_frame_mem rather than calling
        set_mem_alias_set.
        (alpha_expand_epilogue): Ditto.

2011-03-29  Ira Rosen  <ira.rosen@linaro.org>

        PR tree-optimization/48290
        * tree-vect-loop.c (vect_analyze_loop_operations): In outer loop
        vectorization, check that relevant phis in the basic block after
        the inner loop are really inner loop's exit phis.

2011-03-29  Richard Sandiford  <richard.sandiford@linaro.org>

        PR debug/48190
        * dwarf2out.c (dw_loc_list_node): Add resolved_addr and replaced.
        (cached_dw_loc_list_def): New structure.
        (cached_dw_loc_list): New typedef.
        (cached_dw_loc_list_table): New variable.
        (cached_dw_loc_list_table_hash): New function.
        (cached_dw_loc_list_table_eq): Likewise.
        (add_location_or_const_value_attribute): Take a bool cache_p.
        Cache the list when the parameter is true.
        (gen_formal_parameter_die): Update caller.
        (gen_variable_die): Likewise.
        (dwarf2out_finish): Likewise.
        (dwarf2out_abstract_function): Nullify cached_dw_loc_list_table
        while generating debug info for the decl.
        (dwarf2out_function_decl): Clear cached_dw_loc_list_table.
        (dwarf2out_init): Initialize cached_dw_loc_list_table.
        (resolve_addr): Cache the result of resolving a chain of
        location lists.

2011-03-28  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-color.c (update_left_conflict_sizes_p): Don't assume that
        conflict object hard regset nodes have intersecting hard reg sets.

        * regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
        after regstat_init_n_sets_and_refs.

        * ira.c: Add more comments at the top.
        (setup_stack_reg_pressure_class, setup_pressure_classes):
        Add comments how we compute the register pressure classes.
        (setup_allocno_and_important_classes): Add more comments.
        (setup_class_translate_array, reorder_important_classes)
        (setup_reg_class_relations): Add comments.

        * ira-emit.c: Add 2011 to the Copyright line.  Add comments at the
        start of the file.

        * ira-color.c: Add 2011 to the Copyright line.
        (assign_hard_reg):  Add more comments.
        (improve_allocation): Ditto.

        * ira-costs.c: Add 2011 to the Copyright line.
        (setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
        comments.
        (setup_regno_cost_classes_by_mode): Ditto.

        Initial patches from ira-improv branch:

        2010-08-13  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-build.c (ira_create_object): Remove initialization of
        OBJECT_PROFITABLE_HARD_REGS.  Initialize OBJECT_ADD_DATA.
        (ira_create_allocno): Remove initialization of
        ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
        ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
        ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
        ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
        ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
        Initialize ALLOCNO_ADD_DATA.
        (copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
        and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
        ALLOCNO_REG.
        (ira_flattening): Ditto.  Use ALLOCNO_EMIT_DATA instead of
        ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.

        * ira.c (ira_reallocate): Remove.
        (setup_pressure_classes): Call
        ira_init_register_move_cost_if_necessary.  Use
        ira_register_move_cost instead of ira_get_register_move_cost.
        (setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
        (ira): Call ira_initiate_emit_data and ira_finish_emit_data.

        * ira-color.c: Use ALLOCNO_COLOR_DATA instead of
        ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
        ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
        ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
        instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
        OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
        Fix formatting.
        (object_hard_regs_t, object_hard_regs_node_t): Move from ira-int.h.
        (struct object_hard_regs, struct object_hard_regs_node): Ditto.
        (struct allocno_color_data): New.
        (allocno_color_data_t): New typedef.
        (allocno_color_data): New definition.
        (ALLOCNO_COLOR_DATA): New macro.
        (struct object_color_data): New.
        (object_color_data_t): New typedef.
        (object_color_data): New definition.
        (OBJECT_COLOR_DATA): New macro.
        (update_copy_costs, calculate_allocno_spill_cost): Call
        ira_init_register_move_cost_if_necessary.  Use
        ira_register_move_cost instead of ira_get_register_move_cost.
        (move_spill_restore, update_curr_costs): Ditto.
        (allocno_spill_priority): Make it inline.
        (color_pass): Allocate and free allocno_color_dat and object_color_data.
        (struct coalesce_data, coalesce_data_t): New.
        (allocno_coalesce_data): New definition.
        (ALLOCNO_COALESCE_DATA): New macro.
        (merge_allocnos, coalesced_allocno_conflict_p): Use
        ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
        ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
        (coalesce_allocnos): Ditto.
        (setup_coalesced_allocno_costs_and_nums): Ditto.
        (collect_spilled_coalesced_allocnos): Ditto.
        (slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
        (setup_slot_coalesced_allocno_live_ranges): Ditto.
        (coalesce_spill_slots): Ditto.
        (ira_sort_regnos_for_alter_reg): Ditto.  Allocate, initialize and
        free allocno_coalesce_data.

        * ira-conflicts.c: Fix formatting.
        (process_regs_for_copy): Call
        ira_init_register_move_cost_if_necessary.  Use
        ira_register_move_cost instead of ira_get_register_move_cost.
        (build_object_conflicts): Optimize.

        * ira-costs.c (record_reg_classes): Optimize.  Call
        ira_init_register_move_cost_if_necessary.  Use
        ira_register_move_cost, ira_may_move_in_cost, and
        ira_may_move_out_cost instead of ira_get_register_move_cost and
        ira_get_may_move_cost.
        (record_address_regs): Ditto.
        (scan_one_insn): Optimize.
        (find_costs_and_classes): Optimize.
        (process_bb_node_for_hard_reg_moves): Call
        ira_init_register_move_cost_if_necessary.  Use
        ira_register_move_cost instead of ira_get_register_move_cost.

        * ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
        ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
        ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
        (ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
        definitions.
        (ira_initiate_emit_data, ira_finish_emit_data)
        (create_new_allocno): New functions.
        (modify_move_list): Call create_new_alloc instead of ira_create_allocno.
        (emit_move_list): Call ira_init_register_move_cost_if_necessary.
        Use ira_register_move_cost instead of ira_get_register_move_cost.

        * ira-int.h: Fix some comments.
        (object_hard_regs_t, object_hard_regs_node_t): Move to ira-color.c.
        (struct object_hard_regs, struct object_hard_regs_node): Ditto.
        (struct ira_object): Remove profitable_hard_regs, hard_regs_node,
        hard_regs_subnodes_start, hard_regs_subnodes_num.  Add new member
        add_data.
        (struct ira_allocno): Make mode and aclass a bitfield.  Move other
        bitfield after mode.  Make hard_regno a short int.  Make
        hard_regno short.  Remove first_coalesced_allocno and
        next_coalesced_allocno.  Move mem_optimized_dest_p,
        somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
        into struct ira_emit_data.  Remove in_graph_p, may_be_spilled_p,
        available_regs_num, next_bucket_allocno, prev_bucket_allocno,
        temp, colorable_p.  Add new member add_data.
        (ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
        (ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
        (ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
        (ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
        (ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
        (ALLOCNO_ADD_DATA): New macro.
        (ira_emit_data_t): New typedef.
        (struct ira_emit_data): New.  Move mem_optimized_dest_p,
        somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
        from struct ira_allocno.
        (ALLOCNO_EMIT_DATA): New macro.
        (ira_allocno_emit_data, allocno_emit_reg): New.
        (ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
        (OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM): Remove.
        (OBJECT_ADD_DATA): New macro.
        (ira_reallocate): Remove.
        (ira_initiate_emit_data, ira_finish_emit_data): New.
        (ira_get_register_move_cost, ira_get_may_move_cost): Remove.
        (ira_init_register_move_cost_if_necessary): New.
        (ira_object_conflict_iter_next): Merge into
        ira_object_conflict_iter_cond.
        (FOR_EACH_OBJECT_CONFLICT): Don't use ira_object_conflict_iter_next.

        * ira-live.c (process_single_reg_class_operands): Call
        ira_init_register_move_cost_if_necessary.  Use
        ira_register_move_cost instead of ira_get_register_move_cost.

        2010-08-13  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-int.h (struct target_ira_int): Remove x_cost_classes.

        * ira-costs.c: Fix formatting.
        (cost_classes, cost_classes_num): Remove.
        (struct cost_classes, cost_classes_t, const_cost_classes_t): New.
        (regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
        (cost_classes_del, cost_classes_htab): New.
        (cost_classes_aclass_cache, cost_classes_mode_cache): New.
        (initiate_regno_cost_classes, setup_cost_classes): New.
        (setup_regno_cost_classes_by_aclass): New.
        (setup_regno_cost_classes_by_mode, finish_regno_cost_classes): New.
        (record_reg_classes): Use regno_cost_classes instead of
        cost_classes.  Move checking opposite operand up.
        (record_address_regs): Use regno_cost_classes
        instead of cost_classes.
        (scan_one_insn): Ditto.  Use always general register.
        (print_allocno_costs): Use regno_cost_classes instead of
        cost_classes.
        (print_pseudo_costs): Ditto.  Use Reg_N_REFS.
        (find_costs_and_classes): Set up cost classes for each registers.
        Use also their mode for this.  Use regno_cost_classes instead of
        cost_classes.
        (setup_allocno_class_and_costs): Use regno_cost_classes instead of
        cost_classes.
        (free_ira_costs, ira_init_costs): Don't use cost_classes.
        (ira_costs, ira_set_pseudo_classes): Call
        initiate_regno_cost_classes and finish_regno_cost_classes.

        2010-10-04  Vladimir Makarov  <vmakarov@redhat.com>

        * target-def.h (TARGET_IRA_COVER_CLASSES): Remove.

        * target.def (ira_cover_classes): Remove.

        * doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and IRA_COVER_CLASSES.

        * doc/tm.texi.in: Ditto.

        * ira-conflicts.c: Remove mentioning cover classes from the file.
        Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS.  Use
        ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST.  Fix formatting.

        * targhooks.c (default_ira_cover_classes): Remove.

        * targhooks.h (default_ira_cover_classes): Ditto.

        * haifa-sched.c: Remove mentioning cover classes from the file.
        Use ira_reg_pressure_cover instead of ira_reg_class_cover.  Use
        ira_pressure_classes and ira_pressure_classes_num instead of
        ira_reg_class_cover_size and ira_reg_class_cover.  Use
        sched_regno_pressure_class instead of sched_regno_cover_class.
        (mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
        ira_reg_class_max_nregs instead of ira_reg_class_nregs.

        * ira-int.h: Add 2010 to Copyright.  Remove mentioning cover
        classes from the file.
        (object_hard_regs_t, object_hard_regs_node_t): New typedefs.
        (struct object_hard_regs, struct object_hard_regs_node): New.
        (struct ira_object): New members profitable_hard_regs,
        hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
        (struct ira_allocno): Rename cover_class to aclass.  Rename
        cover_class_cost and updated_cover_class_cost to class_cost and
        updated_class_cost.  Remove splay_removed_p and
        left_conflict_size.  Add new members colorable_p.
        (ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
        (ALLOCNO_COLORABLE_P): New macro.
        (ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
        (ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
        Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
        (OBJECT_...): Rename parameter C to O.
        (OBJECT_PROFITABLE_HARD_REGS): New macro.
        (OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
        (OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
        (struct target_ira_int): New members x_ira_max_memory_move_cost,
        x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
        x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
        x_ira_reg_pressure_class_p, x_ira_important_class_nums,
        x_ira_reg_class_superunion.  Rename x_prohibited_class_mode_reg to
        x_ira_prohibited_class_mode_reg.  Rename x_ira_reg_class_union to
        x_ira_reg_class_subunion.
        (ira_max_memory_move_cost, ira_max_register_move_cost)
        (ira_max_may_move_in_cost, ira_max_may_move_out_cost)
        (ira_reg_allocno_class_p, ira_reg_pressure_class_p)
        (ira_important_class_nums, ira_reg_class_superunion): New macros.
        (prohibited_class_mode_regs): Rename to ira_prohibited_class_mode_regs.
        (ira_reg_class_union): Rename to ira_reg_class_subunion.
        (ira_debug_class_cover): Rename to ira_debug_allocno_classes.
        (ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
        (ira_tune_allocno_costs_and_cover_classes): Rename to
        ira_tune_allocno_costs.
        (ira_debug_hard_regs_forest): New.
        (ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
        (ira_object_conflict_iter_next): Fix comments.
        (ira_hard_reg_set_intersection_p, hard_reg_set_size): New functions.
        (ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
        cover_class to aclass.
        (ira_allocate_and_accumulate_costs): Ditto.
        (ira_allocate_and_set_or_copy_costs): Ditto.

        * opts.c (decode_options): Remove ira_cover_class check.

        * ira-color.c: Remove mentioning cover classes from the file.  Use
        ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
        instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
        ALLOCNO_UPDATED_COVER_CLASS_COST.  Fix formatting.
        (splay-tree.h): Remove include.
        (allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
        before copy_freq_compare_func.
        (allocnos_for_spilling, removed_splay_allocno_vec): Remove.
        (object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
        New definitions.
        (hard_regs_roots, hard_regs_node_vec): Ditto.
        (object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
        (insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
        (finish_object_hard_regs, object_hard_regs_compare): Ditto.
        (create_new_object_hard_regs_node): Ditto.
        (add_new_object_hard_regs_node_to_forest): Ditto.
        (add_object_hard_regs_to_forest, collect_object_hard_regs_cover): Ditto.
        (setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
        Ditto.
        (print_hard_reg_set, print_hard_regs_subforest): Ditto.
        (print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
        (remove_unused_object_hard_regs_nodes): Ditto.
        (enumerate_object_hard_regs_nodes): Ditto.
        (object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
        (object_hard_regs_subnode_t): Ditto.
        (struct object_hard_regs_subnode): Ditto.
        (object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
        (setup_object_hard_regs_subnode_index): Ditto.
        (get_object_hard_regs_subnodes_num): Ditto.
        (form_object_hard_regs_nodes_forest): Ditto.
        (finish_object_hard_regs_nodes_tree): Ditto.
        (finish_object_hard_regs_nodes_forest): Ditto.
        (allocnos_have_intersected_live_ranges_p): Rename to
        allocnos_conflict_by_live_ranges_p.  Move before copy_freq_compare_func.
        (pseudos_have_intersected_live_ranges_p): Rename to
        conflict_by_live_ranges_p.  Move before copy_freq_compare_func.
        (setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
        (empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
        (update_copy_costs): Remove assert.  Skip cost update if the hard
        reg does not belong the class.
        (assign_hard_reg): Process only profitable hard regs.
        (uncolorable_allocnos_num): Make it scalar.
        (allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
        and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
        and ira_reg_class_max_nregs.
        (bucket_allocno_compare_func): Check frequency first.
        (sort_bucket): Add compare function as a parameter.
        (add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
        (uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
        (push_allocno_to_stack): Rewrite for checking new allocno
        colorability.
        (remove_allocno_from_bucket_and_push): Print cost too.  Remove assert.
        (push_only_colorable): Pass new parameter to sort_bucket.
        (push_allocno_to_spill): Remove.
        (allocno_spill_priority_compare): Make it inline and rewrite.
        (splay_tree_allocate, splay_tree_free): Remove.
        (allocno_spill_sort_compare): New function.
        (push_allocnos_to_stack): Sort allocnos for spilling once.  Don't
        build and use splay tree.  Choose first allocno in uncolorable
        allocno bucket to spill.  Remove setting spill cost.
        (all_conflicting_hard_regs): Remove.
        (setup_allocno_available_regs_num): Check only profitable hard
        regs.  Print info about hard regs nodes.
        (setup_allocno_left_conflicts_size): Remove.
        (put_allocno_into_bucket): Don't call
        setup_allocno_left_conflicts_size.  Use setup_left_conflict_sizes_p.
        (improve_allocation): New.
        (color_allocnos): Call setup_profitable_hard_regs,
        form_object_hard_regs_nodes_forest, improve_allocation,
        finish_object_hard_regs_nodes_forest.  Setup spill cost.
        (print_loop_title): Use pressure classes.
        (color_allocnso): Ditto.
        (do_coloring): Remove allocation and freeing splay_tree_node_pool
        and allocnos_for_spilling.
        (ira_sort_regnos_for_alter_reg): Don't setup members
        {first,next}_coalesced_allocno.
        (color): Remove allocating and freeing removed_splay_allocno_vec.
        (fast_allocation): Use ira_prohibited_class_mode_regs instead of
        prohibited_class_mode_regs.

        * ira-lives.c: Remove mentioning cover classes from the file.  Fix
        formatting.
        (update_allocno_pressure_excess_length): Use pressure classes.
        (inc_register_pressure, dec_register_pressure): Check for pressure
        class.
        (mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
        pressure class.  Use ira_reg_class_nregs instead of
        ira_reg_class_max_nregs.
        (mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
        (mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
        (single_reg_class): Use ira_reg_class_nregs instead of
        ira_reg_class_max_nregs.
        (process_bb_node_lives): Use pressure classes.

        * ira-emit.c: Remove mentioning cover classes from the file.  Use
        ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS.  Fix formatting.
        (change_loop): Use pressure classes.
        (modify_move_list): Call ira_set_allocno_class instead of
        ira_set_allocno_cover_class.

        * ira-build.c: Remove mentioning cover classes from the file.  Use
        ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
        ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST.  Use
        ALLOCNO_UPDATED_CLASS_COST instead of
        ALLOCNO_UPDATED_COVER_CLASS_COST.  Fix formatting.
        (ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
        (ira_create_allocno): Remove initialization of
        ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE.  Initialize
        ALLOCNO_COLORABLE_P.
        (ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
        Update conflict regs for the objects.
        (create_cap_allocno): Remove assert.  Don't propagate
        ALLOCNO_AVAILABLE_REGS_NUM.
        (ira_free_allocno_costs): New function.
        (finish_allocno): Change a part of code into call of
        ira_free_allocno_costs.
        (low_pressure_loop_node_p): Use pressure classes.
        (object_range_compare_func): Don't compare classes.
        (setup_min_max_conflict_allocno_ids): Ditto.

        * loop-invariant.c: Remove mentioning cover classes from the file.
        Use ira_pressure_classes and ira_pressure_classes_num instead of
        ira_reg_class_cover_size and ira_reg_class_cover.  Fix formatting.
        (get_cover_class_and_nregs): Rename to get_cover_pressure_and_nregs.
        Use ira_reg_class_max_nregs instead of ira_reg_class_nregs.
        Use reg_allocno_class instead of reg_cover_class.
        (get_inv_cost): Use instead ira_stack_reg_pressure_class of
        STACK_REG_COVER_CLASS.
        (get_regno_cover_class): Rename to get_regno_pressure_class.
        (move_loop_invariants): Initialize and finalize regstat.

        * ira.c: Remove mentioning cover classes from the file.  Add
        comments about coloring without cover classes.  Use ALLOCNO_CLASS
        instead of ALLOCNO_COVER_CLASS.  Fix formatting.
        (alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
        setup_class_subset_and_memory_move_costs.
        (setup_stack_reg_pressure_class, setup_pressure_classes): New.
        (setup_cover_and_important_classes): Rename to
        setup_allocno_and_important_classes.
        (setup_class_translate_array): New.
        (setup_class_translate): Call it for allocno and pressure classes.
        (cover_class_order): Rename to allocno_class_order.
        (comp_reg_classes_func): Use ira_allocno_class_translate instead
        of ira_class_translate.
        (reorder_important_classes): Set up ira_important_class_nums.
        (setup_reg_class_relations): Set up ira_reg_class_superunion.
        (print_class_cover): Rename to print_classes.  Add parameter.
        (ira_debug_class_cover): Rename to ira_debug_allocno_classes.
        Print pressure classes too.
        (find_reg_class_closure): Rename to find_reg_classes.  Don't call
        setup_reg_subclasses.
        (ira_hard_regno_cover_class): Rename to ira_hard_regno_allocno_class.
        (ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
        (setup_prohibited_class_mode_regs): Use
        ira_prohibited_class_mode_regs instead of prohibited_class_mode_regs.
        (clarify_prohibited_class_mode_regs): New function.
        (ira_init_register_move_cost): Set up ira_max_register_move_cost,
        ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
        (ira_init_once): Initialize them.
        (free_register_move_costs): Process them.
        (ira_init): Move calls of find_reg_classes and
        setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
        Call clarify_prohibited_class_mode_regs.
        (ira_no_alloc_reg): Remove.
        (too_high_register_pressure_p): Use pressure classes.

        * sched-deps.c: Remove mentioning cover classes from the file.
        Use ira_reg_pressure_cover instead of ira_reg_class_cover.  Use
        ira_pressure_classes and ira_pressure_classes_num instead of
        ira_reg_class_cover_size and ira_reg_class_cover.
        (mark_insn_hard_regno_birth, mark_hard_regno_death): Use
        sched_regno_pressure_class instead of sched_regno_cover_class.
        (mark_insn_pseudo_birth, mark_pseudo_death): Ditto.  Use
        ira_reg_class_max_nregs instead of ira_reg_class_nregs.

        * ira.h: Add 2010 to Copyright.
        (ira_no_alloc_reg): Remove external.
        (struct target_ira): Rename x_ira_hard_regno_cover_class,
        x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
        x_ira_class_translate to x_ira_hard_regno_allocno_class,
        x_ira_allocno_classes_num, x_ira_allocno_classes, and
        x_ira_allocno_class_translate.  Add x_ira_pressure_classes_num,
        x_ira_pressure_classes, x_ira_pressure_class_translate, and
        x_ira_stack_reg_pressure_class.  Rename x_ira_reg_class_nregs to
        x_ira_reg_class_max_nregs.  Add x_ira_reg_class_min_nregs and
        x_ira_no_alloc_regs.
        (ira_hard_regno_cover_class): Rename to ira_hard_regno_allocno_class.
        (ira_reg_class_cover_size, ira_reg_class_cover): Rename to
        ira_allocno_classes_num and ira_allocno_classes.
        (ira_class_translate): Rename to ira_allocno_class_translate.
        (ira_pressure_classes_num, ira_pressure_classes): New definitions.
        (ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
        (ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
        (ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
        (ira_no_alloc_regs): New.

        * ira-costs.c: Add 2010 to Copyright.  Remove mentioning cover
        classes from the file.  Use ALLOCNO_CLASS instead of
        ALLOCNO_COVER_CLASS.  Use ALLOCNO_CLASS_COST instead of
        ALLOCNO_COVER_CLASS_COST.
        (regno_cover_class): Rename to regno_aclass.
        (record_reg_classes): Use ira_reg_class_subunion instead of
        ira_reg_class_union.
        (record_address_regs): Check overflow.
        (scan_one_insn): Ditto.
        (print_allocno_costs): Print total mem cost fore regional allocation.
        (print_pseudo_costs): Use REG_N_REFS.
        (find_costs_and_classes): Use classes intersected with them on the
        1st pass. Check overflow.  Use ira_reg_class_subunion instead of
        ira_reg_class_union.  Use ira_allocno_class_translate and
        regno_aclass instead of ira_class_translate and regno_cover_class.
        Modify code for finding regno_aclass.  Setup preferred classes for
        the next pass.
        (setup_allocno_cover_class_and_costs): Rename to
        setup_allocno_class_and_costs.  Use regno_aclass instead of
        regno_cover_class.  Use ira_set_allocno_class instead of
        ira_set_allocno_cover_class.
        (init_costs, finish_costs): Use regno_aclass instead of
        regno_cover_class.
        (ira_costs): Use setup_allocno_class_and_costs instead of
        setup_allocno_cover_class_and_costs.
        (ira_tune_allocno_costs_and_cover_classes): Rename to
        ira_tune_allocno_costs.  Check overflow.  Skip conflict hard regs
        by processing objects.  Use ira_reg_class_max_nregs instead of
        ira_reg_class_nregs.

        * rtl.h (reg_cover_class): Rename to reg_allocno_class.

        * sched-int.h: Remove mentioning cover classes from the file.
        (sched_regno_cover_class): Rename to sched_regno_pressure_class.

        * reginfo.c: Add 2010 to Copyright.  Remove mentioning cover
        classes from the file.
        (struct reg_pref): Rename coverclass into allocnoclass.
        (reg_cover_class): Rename to reg_allocno_class.

        * Makefile.in (ira-color.o): Remove SPLAY_TREE_H from dependencies.

        * config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.

        * config/arm/arm.h (IRA_COVER_CLASSES): Ditto.

        * config/avr/avr.h (IRA_COVER_CLASSES): Ditto.

        * config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.

        * config/cris/cris.h (IRA_COVER_CLASSES): Ditto.

        * config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.

        * config/frv/frv.h (IRA_COVER_CLASSES): Ditto.

        * config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.

        * config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.

        * config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
        (i386_ira_cover_classes): Ditto.

        * config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.

        * config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.

        * config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.

        * config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.

        * config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.

        * config/mep/mep.h (IRA_COVER_CLASSES): Ditto.

        * config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
        (mips_ira_cover_classes): Ditto.

        * config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.

        * config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.

        * config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.

        * config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.

        * config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.

        * config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
        (IRA_COVER_CLASSES_VSX): Ditto.

        * config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
        (rs6000_ira_cover_classes): Ditto.

        * config/rx/rx.h (IRA_COVER_CLASSES): Ditto.

        * config/s390/s390.h (IRA_COVER_CLASSES): Ditto.

        * config/score/score.h (IRA_COVER_CLASSES): Ditto.

        * config/sh/sh.h (IRA_COVER_CLASSES): Ditto.

        * config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.

        * config/spu/spu.h (IRA_COVER_CLASSES): Ditto.

        * config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.

        * config/v850/v850.h (IRA_COVER_CLASSES): Ditto.

        * config/vax/vax.h (IRA_COVER_CLASSES): Ditto.

        * config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.

2011-03-29  Jakub Jelinek  <jakub@redhat.com>

        PR debug/48253
        * dwarf2out.c (struct dw_fde_struct): Remove dw_fde_hot_section_label,
        dw_fde_hot_section_end_label, dw_fde_unlikely_section_label,
        dw_fde_unlikely_section_end_label, cold_in_std_section,
        dw_fde_switched_sections and dw_fde_switched_cold_to_hot fields.
        Add dw_fde_second_begin, dw_fde_second_end and second_in_std_section
        fields.
        (output_fde): Use dw_fde_second_{begin,end} if second is
        true, otherwise dw_fde_{begin,end}.
        (output_call_frame_info): Test dw_fde_second_begin != NULL
        instead of dw_fde_switched_sections.
        (dwarf2out_begin_prologue): Stop initializing removed dw_fde_struct
        fields, initialize new fields.  Initialize in_std_section
        unconditionally from the first partition.
        (dwarf2out_end_epilogue): Don't override dw_fde_end when
        dw_fde_second_begin is non-NULL.
        (dwarf2out_switch_text_section): Stop initializing removed
        dw_fde_struct fields, initialize new fields, initialize
        also dw_fde_end here.  Set dw_fde_switch_cfi even when
        dwarf2out_do_cfi_asm ().  Call var_location_switch_text_section.
        (struct var_loc_list_def): Add last_before_switch field.
        (arange_table, arange_table_allocated, arange_table_in_use,
        ARANGE_TABLE_INCREMENT, add_arange): Removed.
        (size_of_aranges): Count !in_std_section and !second_in_std_section
        hunks in fdes, instead of looking at arange_table_in_use.
        (output_aranges): Add aranges_length argument, don't call
        size_of_aranges here.  Instead of using aranges_table*
        emit ranges for fdes when !in_std_section resp.
        !second_in_std_section.
        (dw_loc_list): Break ranges crossing section switch.
        (convert_cfa_to_fb_loc_list): Likewise.  If switched sections,
        use dw_fde_second_end instead of dw_fde_end as end of last range.
        (gen_subprogram_die): Don't call add_arange.  Use
        dw_fde_{begin,end} for first partition and if switched
        section dw_fde_second_{begin,end} for the second.
        (var_location_switch_text_section_1,
        var_location_switch_text_section): New functions.
        (dwarf2out_begin_function): Initialize cold_text_section even
        when function_section () isn't text_section.
        (prune_unused_types): Don't walk arange_table.
        (dwarf2out_finish): Don't needlessly test
        flag_reorder_blocks_and_partition when testing cold_text_section_used.
        If info_section_emitted, call size_of_aranges and if it indicates
        non-empty .debug_aranges, call output_aranges with the computed
        size.  Stop using removed dw_fde_struct fields, use
        dw_fde_{begin,end} for first partition and dw_fde_second_{begin,end}
        for second.

        PR debug/48203
        * cfgexpand.c (expand_debug_expr) <case SSA_NAME>: Only
        create ENTRY_VALUE if incoming or address of incoming's MEM
        is a hard REG.
        * dwarf2out.c (mem_loc_descriptor): Don't emit
        DW_OP_GNU_entry_value of DW_OP_fbreg.
        * var-tracking.c (vt_add_function_parameter): Ensure cselib_lookup
        on ENTRY_VALUE is able to find the canonical parameter VALUE.
        * cselib.c (rtx_equal_for_cselib_1) <case ENTRY_VALUE>: Use
        rtx_equal_p instead of rtx_equal_for_cselib_1 to compare
        ENTRY_VALUE_EXPs.
        (cselib_hash_rtx) <case ENTRY_VALUE>: If ENTRY_VALUE_EXP
        is a REG_P or MEM_P with REG_P address, compute hash directly
        instead of calling cselib_hash_rtx on ENTRY_VALUE_EXP.
        (preserve_only_constants): Don't clear VALUES forwaring
        ENTRY_VALUE to some other VALUE.

2011-03-28  Richard Sandiford  <richard.sandiford@linaro.org>

        * builtins.c (expand_builtin_memset_args): Use gen_int_mode
        instead of GEN_INT.

2011-03-28  Eric Botcazou  <ebotcazou@adacore.com>

        * cfgexpand.c (expand_gimple_cond): Always set the source location and
        block before expanding the statement.
        (expand_gimple_stmt_1): Likewise.  Set them here...
        (expand_gimple_stmt): ...and not here.  Tidy.
        * cfglayout.c (curr_insn_locator): Return 0 if the current location is
        unknown.

2011-03-28  Steven Bosscher  <steven@gcc.gnu.org>

        * Makefile.in: New rule for cprop.o.
        * gcse.c: Move constant/copy propagation to cprop.c.
        (compute_local_properties): Only handle expression tables.
        (hash_scan_set, compute_hash_table_work, alloc_hash_table,): Likewise.
        (one_pre_gcse_pass, one_code_hoisting_pass): Likewise.
        (hash_set, insert_set_in_table, gcse_constant_p, lookup_set,
        next_set, reset_opr_set_tables, oprs_not_set_p, mark_call, mark_set,
        mark_clobber, mark_oprs_set, alloc_cprop_mem, free_cprop_mem,
        compute_cprop_data, find_used_regs, try_replace_reg,
        find_avail_set, cprop_jump, constprop_register, cprop_insn,
        local_cprop_find_used_regs, do_local_cprop, local_cprop_pass,
        fis_get_condition, implicit_set_cond_p, find_implicit_sets,
        find_bypass_set, reg_killed_on_edge, bypass_block,
        bypass_conditional_jumps, one_cprop_pass, gate_rtl_cprop,
        execute_rtl_cprop, pass_rtl_cprop): Move to...
        * cprop.c: ...here.  New file, constant/copy propagation for RTL
        moved from gcse.c to here with minor cleanups in duplicated code.

2011-03-28  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (flag_opts): Fix a typo in
        -mavx256-split-unaligned-store.

2011-03-28  Anatoly Sokolov  <aesok@post.ru>

        * config/h8300/h8300.h (FUNCTION_VALUE_REGNO_P, FUNCTION_VALUE,
        LIBCALL_VALUE): Remove macros.
        * config/h8300/h8300.c (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
        TARGET_FUNCTION_VALUE_REGNO_P): Define.
        (h8300_function_value, h8300_libcall_value,
        h8300_function_value_regno_p): New functions.

2011-03-28  Anatoly Sokolov  <aesok@post.ru>

        * config/h8300/h8300.h (ASM_OUTPUT_BSS): Remove macro.

2011-03-28  Jeff Law  <law@redhat.com>

        * tree-ssa-threadupdate.c (redirect_edges): Call
        create_edge_and_update_destination_phis as needed.
        (create_edge_and_update_destination_phis): Accept new BB argument.
        All callers updated.
        (thread_block): Do not update the profile when threading around
        intermediate blocks.
        (thread_single_edge): Likewise.
        (determine_bb_domination_status): If BB is not a successor of the
        loop header, return NONDOMINATING.
        (register_jump_thread): Note when we register a jump thread around
        an intermediate block.
        * tree-ssa-threadedge.c (thread_around_empty_block): New function.
        (thread_across_edge): Use it.

2011-03-28  Tristan Gingold  <gingold@adacore.com>

        * config/ia64/ia64.c (ia64_promote_function_mode): Fix promotion
        when for_return is 2.

2011-03-28  Jeff Law  <law@redhat.com>

        * var-tracking.c (canonicalize_values_mark): Delete unused
        lhs assignment.
        (canonicalize_values_star, set_variable_part): Likewise.
        (clobber_variable_part, delete_variable_part): Likewise.

2011-03-28  Steven Bosscher  <steven@gcc.gnu.org>

        * gcse.c (free_gcse_mem): Free reg_set_bitmap.

2011-03-28  Martin Jambor  <mjambor@suse.cz>

        * tree-inline.c (expand_call_inline): Do not check that destination
        node is analyzed.
        (optimize_inline_calls): Assert that destination node is analyzed.
        * cgraph.c (cgraph_add_new_function): Call cgraph_analyze_function, do
        not call tree_lowering_passes.
        * cgraph.h (cgraph_analyze_function): Declare.
        * cgraphunit.c (cgraph_analyze_function): Make public.

2011-03-28  Joseph Myers  <joseph@codesourcery.com>

        * config/sparc/sparc-opts.h: New.
        * config/sparc/sparc.c (sparc_handle_option, sparc_select,
        sparc_cpu, fpu_option_set, TARGET_HANDLE_OPTION): Remove.
        (sparc_option_override): Store processor_type enumeration rather
        than string in cpu_default.  Remove name and enumeration from
        cpu_table.  Directly default -mcpu then default -mtune from -mcpu
        without using sparc_select.  Use target_flags_explicit instead of
        fpu_option_set.
        * config/sparc/sparc.h (enum processor_type): Move to
        sparc-opts.h.
        (sparc_cpu, struct sparc_cpu_select, sparc_select): Remove.
        * config/sparc/sparc.opt (config/sparc/sparc-opts.h): New
        HeaderInclude entry.
        (mcpu=, mtune=): Use Var and Enum.
        (sparc_processor_type): New Enum and EnumValue entries.

2011-03-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
            Iain Sandoe  <iains@gcc.gnu.org>

        PR target/48245
        * config/darwin.h (LINK_COMMAND_SPEC_A): Use LINK_PLUGIN_SPEC.

2011-03-28  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-vectorizer.h (vect_create_data_ref_ptr): Adjust prototype.
        * tree-vect-data-refs.c (vect_create_data_ref_ptr): Add GSI parameter.
        Insert new statements at it in lieu of STMT.
        (vect_setup_realignment): Adjust call to vect_create_data_ref_ptr.
        * tree-vect-stmts.c (vectorizable_store): Likewise.
        (vectorizable_load): Likewise.

2011-03-28  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.md (addtf3): Change mode of operands to TFmode.
        (divtf3): Ditto.
        (multf3): Ditto.
        (subtf3): Ditto.

2011-03-27  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/sse.md (*avx_mov<mode>_internal): Don't assert
        unaligned 256bit load/store.
        (*avx_movu<ssemodesuffix><avxmodesuffix>): Likewise.
        (*avx_movdqu<avxmodesuffix>): Likewise.

2011-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/48288
        * config/pa/predicates.md (reg_or_ior_operand): New predicate.
        * config/pa/pa.md (iordi3): Use new predicate in expander.
        (iorsi3): Likewise.

2011-03-27  Anatoly Sokolov  <aesok@post.ru>

        * config/mips/mips.h (LIBCALL_VALUE, FUNCTION_VALUE,
        FUNCTION_VALUE_REGNO_P): Remove macros.
        * config/mips/mips-protos.h (mips_function_value): Remove.
        * config/mips/mips.c (mips_function_value): Rename to...
        (mips_function_value_1): ... this. Make static.  Handle receiving
        the function type in 'fn_decl_or_type' argument.
        (mips_function_value, mips_libcall_value,
        mips_function_value_regno_p): New function.
        (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
        TARGET_FUNCTION_VALUE_REGNO_P): Define.

2011-03-27  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (flag_opts): Add -mavx256-split-unaligned-load
        and -mavx256-split-unaligned-store.
        (ix86_option_override_internal): Split 32-byte AVX unaligned
        load/store by default.
        (ix86_avx256_split_vector_move_misalign): New.
        (ix86_expand_vector_move_misalign): Use it.

        * config/i386/i386.opt: Add -mavx256-split-unaligned-load and
        -mavx256-split-unaligned-store.

        * config/i386/sse.md (*avx_mov<mode>_internal): Verify unaligned
        256bit load/store.  Generate unaligned store on misaligned memory
        operand.
        (*avx_movu<ssemodesuffix><avxmodesuffix>): Verify unaligned
        256bit load/store.
        (*avx_movdqu<avxmodesuffix>): Likewise.

        * doc/invoke.texi: Document -mavx256-split-unaligned-load and
        -mavx256-split-unaligned-store.

2011-03-27  Richard Sandiford  <rdsandiford@googlemail.com>

        PR target/38598
        * config/mips/mips.md (extendsidi2): Add an "l" alternative.
        Update commentary.

2011-03-27  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.c (mips_prepare_builtin_arg): Replace icode and
        opno arguments with an expand_operand.  Use create_input_operand.
        (mips_prepare_builtin_target): Delete.
        (mips_expand_builtin_insn, mips_expand_builtin_compare_1): New
        functions.
        (mips_expand_builtin_direct): Use create_output_operand and
        mips_expand_builtin_insn.  Update call to mips_prepare_builtin_arg.
        (mips_expand_builtin_movtf): Likewise.  Use mips_expand_fp_comparison.
        (mips_expand_builtin_compare): Use mips_expand_fp_comparison.

2011-03-27  Ira Rosen  <ira.rosen@linaro.org>

        * config/arm/arm.c (arm_autovectorize_vector_sizes): New
        function.
        (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.

2011-03-26  Eric Botcazou  <ebotcazou@adacore.com>

        * basic-block.h (fixup_abnormal_edges): Adjust prototype.
        * reload1.c (reload): Adjust call to fixup_abnormal_edges.  Rediscover
        basic blocks and call commit_edge_insertions directly.
        (fixup_abnormal_edges): Move from here to...
        * cfgrtl.c (fixup_abnormal_edges): ...here.  Only insert instructions
        on the edges and return whether some have actually been inserted.
        * reg-stack.c (convert_regs): Fix up abnormal edges before inserting
        compensation code.

2011-03-26  Andrey Belevantsev  <abel@ispras.ru>

        PR rtl-optimization/48144
        * sel-sched-ir.c (merge_history_vect): Factor out from ...
        (merge_expr_data): ... here.
        (av_set_intersect): Rename to av_set_code_motion_filter.
        Update all callers.  Call merge_history_vect when an expression
        is found in both sets.
        * sel-sched-ir.h (av_set_code_motion_filter): Add prototype.

2011-03-26  Alan Modra  <amodra@gmail.com>

        * config/rs6000/predicates.md (word_offset_memref_op): Handle
        cmodel medium addresses.
        * config/rs6000/rs6000.c (rs6000_secondary_reload): Handle misaligned
        64-bit gpr loads and stores.
        (rs6000_secondary_reload_ppc64): New function.
        * config/rs6000/rs6000-protos.h: Declare it.
        * config/rs6000/rs6000.md (reload_di_store, reload_di_load): New.

2011-03-26  Alan Modra  <amodra@gmail.com>

        PR target/47487
        * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Support
        GNU Go in traceback table.

2011-03-25  Richard Henderson  <rth@redhat.com>

        * expr.c (emit_block_move_via_movmem): Only use 6 operand variant
        if there are exactly 6 operands.
        (set_storage_via_setmem): Similarly.

2011-03-25  Kai Tietz  <ktietz@redhat.com>

        * collect2.c (write_c_file_stat): Handle backslash
        as right-hand directory separator.
        (resolve_lib_name): Use IS_DIR_SEPARATOR instead of
        checking just for slash.
        * coverage.c (coverage_init): Use IS_ABSOLUTE_PATH
        instead of checking for trailing slash.
        * gcc.c (record_temp_file): Use filename_cmp instead
        of strcmp.
        (do_spec_1): Likewise.
        (replace_outfile_spec_function): Likewise.
        (is_directory): Use filename_ncmp instead of strncmp.
        (print_multilib_info): Likewise.
        * gcov.c (find_source): Use filename_cmp instead
        instead of strcmp.
        (make_gcov_file_name): Fix order of slash/backslash
        checks.
        * incpath.c (DIRS_EQ): Use filename_cmp instead of strcmp.
        (add_standard_paths): Likewise.
        * mips-tfile.c (saber_stop): Handle backslash.
        * prefix.c (update_path): Use filename_ncmp instead of
        strncmp.
        * profile.c (output_location): Use filename_cmp instead
        of strcmp.
        * read-md.c (handle_toplevel_file): Handle backslash.
        * tlink.c (frob_extension):  Likewise.
        * tree-cfg.c (same_line_p): Use filename_cmp instead of
        strcmp.
        * tree-dump.c (dequeue_and_dump): Handle backslash.
        * tree.c (get_file_function_name): Likewise.
        * gengtype.c (read_input_list): Likewise.
        (get_file_realbasename): Likewise.
        (get_output_file_with_visibility): Use filename_cmp
        instead of strcmp.

2011-03-25  Richard Sandiford  <richard.sandiford@linaro.org>

        * config/arm/arm.h (CANNOT_CHANGE_MODE_CLASS): Restrict FPA_REGS
        case to VFPv1.

2011-03-25  Nathan Froyd  <froydnj@codesourcery.com>

        * fold-const.c (expr_location_or): New function.
        (fold_truth_not_expr): Call it.

2011-03-25  Jeff Law  <law@redhat.com>

        * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Add missing
        va_end.
        * c-family/c-common.c (def_fn_type): Likewise.
        * ada/gcc-interface/utils.c (def_fn_type): Likewise.
        * emit-rtl.c (gen_rtvec): Likewise.
        * lto/lto-lang.c (def_fn_type): Likewise.

2011-03-25  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-copy.c (stmt_may_generate_copy): Copies from constants
        also generate copies.
        (fini_copy_prop): Handle constant values properly.

2011-03-25  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (mem_loc_descriptor) <case ZERO_EXTRACT>: Compare
        mode size instead of bitsize with DWARF2_ADDR_SIZE.
        (hash_loc_operands, compare_loc_operands): Handle
        DW_OP_GNU_entry_value.

2011-03-25  Kai Tietz  <ktietz@redhat.com>

        * config/i386/cygming.h (DWARF_FRAME_REGISTERS): Adjust comment.
        (STACK_BOUNDARY): Check for bit-ness in case of MS_ABI.
        * config/i386/i386.c (ix86_conditional_register_usage): Adjust
        comment and use macro TARGET_64BIT_MS_ABI instead.
        (ix86_keep_aggregate_return_pointer): Optimize for 64-bit case
        and change default behavior for 32-bit MS_ABI.
        (ix86_reg_parm_stack_space): Check additionally for bit-ness.
        (ix86_function_type_abi): Allow check for ms_abi/sysv_abi for
        32-bit, too.
        (ix86_cfun_abi): Likewise.
        (ix86_maybe_switch_abi): Adjust comment.
        (init_cumulative_args): Check for bit-ness in MS_ABI case.
        (ix86_gimplify_va_arg): Check just for not TARGET_64BIT_MS_ABI
        instead of checking for SYSV_ABI.
        (ix86_nsaved_sseregs): Likewise.
        (ix86_compute_frame_layout): Set only for 64-bit MS_ABI alignment
        to 16 bytes.
        (ix86_expand_call): Use TARGET_64BIT_MS_ABI macro.
        * config/i386.h (TARGET_32BIT_MS_ABI): New macro.
        (ACCUMULATE_OUTGOING_ARGS): Check explicit for 64-bit MS_ABI.
        (OUTGOING_REG_PARM_STACK_SPACE): Likewise.
        * config/mingw32.h (DEFAULT_ABI): Change default always to MS_ABI.

2011-03-25  Richard Guenther  <rguenther@suse.de>

        * tree-flow.h (verify_stmts): Rename to verify_gimple_in_cfg.
        (verify_types_in_gimple_seq): Rename to verify_gimple_in_seq.
        (verify_gimple): Remove.
        * tree-cfg.c (verify_gimple_call): Merge verification
        from verify_stmts.
        (verify_gimple_phi): Merge verification from verify_stmts.
        (verify_gimple_label): New function.
        (verify_types_in_gimple_seq_2): Rename to verify_gimple_in_seq_2.
        (verify_types_in_gimple_seq): Rename to verify_gimple_in_seq.
        (verify_stmt): Merge into verify_gimple_in_cfg and callees.
        (verify_stmts): Rename to verify_gimple_in_cfg.
        (verify_gimple_in_cfg): New function.
        * passes.c (execute_function_todo): Call verify_gimple_in_cfg.
        * tree-ssa.c (verify_ssa): Likewise.
        * gimplify.c (gimplify_body): Call verify_gimple_in_seq.

2011-03-25  Richard Guenther  <rguenther@suse.de>

        * passes.c (init_optimization_passes): Add FRE pass after
        early SRA.

2011-03-25  Bernd Schmidt  <bernds@codesourcery.com>
            Andrew Stubbs  <ams@codesourcery.com>

        * config/arm/vfp.md (arm_movdi_vfp): Enable only when not tuning
        for Cortex-A8.
        (arm_movdi_vfp_cortexa8): New pattern.
        * config/arm/neon.md (adddi3_neon, subdi3_neon, anddi3_neon,
        iordi3_neon, xordi3_neon): Add alternatives to discourage Neon
        instructions when tuning for Cortex-A8.  Set attribute "arch".
        * config/arm/arm.md: Move include arm-tune.md up a bit.
        (define_attr "arch"): Add "onlya8" and "nota8" values.
        (define_attr "arch_enabled"): Handle "onlya8" and "nota8".

2011-03-25  Nathan Froyd  <froydnj@codesourcery.com>

        PR bootstrap/48282
        Revert:
        2011-03-24  Nathan Froyd  <froydnj@codesourcery.com>

        * function.c (instantiate_virtual_regs): Use FOR_EACH_BB and
        FOR_BB_INSNS_SAFE to iterate through insns.  Re-indent.
        (pass_instantiate_virtual_regs): Require PROP_cfglayout.
        * passes.c (init_optimization_passes): Move
        pass_instantiate_virtual_regs after pass_into_cfg_layout_mode.

2011-03-25  Kai Tietz  <ktietz@redhat.com>

        * c-typeck.c (comptypes_internal): Replace target
        hook call of comp_type_attributes by version in tree.c file.
        * gimple.c (gimple_types_compatible_p_1): Likewise.
        * tree-ssa.c (useless_type_conversion_p): Likewise.
        * tree.c (build_type_attribute_qual_variant): Likewise.
        (attribute_value_equal): New static helper function.
        (comp_type_attributes): New function.
        (merge_attributes): Use attribute_value_equal for comparison.
        (attribute_list_contained): Likewise.
        * tree.h (comp_type_attributes): New prototype.

2011-03-25  Richard Guenther  <rguenther@suse.de>

        * tree-cfg.c (verify_gimple_assign_unary): Drop special casing
        of complex types at -O0.
        (verify_gimple_assign_binary): Likewise.
        (verify_gimple_assign_ternary): Likewise.

2011-03-24  Mark Wielaard  <mjw@redhat.com>

        * dwarf2out.c (size_of_die): Modify comment to say DW_FORM_ref_sig8.
        (value_format): Use DW_FORM_ref_sig8, not DW_FORM_sig8.

2011-03-24  Mark Wielaard  <mjw@redhat.com>

        PR debug/48041
        * dwarf2out.c (output_abbrev_section): Only write table when
        abbrev_die_table_in_use > 1.

2011-02-24  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_expand_unaligned_load): Use extql.
        (alpha_expand_unaligned_store): Use mskwl, mskll, mskql.
        (alpha_expand_unaligned_load_words): Use extql.
        (alpha_expand_unaligned_store_words): Use insqh, mskqh, mskql.
        (emit_insxl): Handle all modes for consistency.

2011-02-24  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (get_aligned_mem): Don't test WORDS_BIG_ENDIAN.
        (alpha_expand_unaligned_load): Likewise.
        (alpha_expand_unaligned_store): Likewise.
        (alpha_expand_unaligned_load_words): Likewise.
        (alpha_expand_unaligned_store_words): Likewise.
        (emit_insxl, alpha_split_compare_and_swap_12): Likewise.
        (alpha_split_lock_test_and_set_12): Likewise.
        (print_operand, alpha_fold_builtin_extxx): Likewise.
        (alpha_fold_builtin_insxx, alpha_fold_builtin_mskxx): Likewise.
        * config/alpha/alpha.md (bswapsi2, insv, extv, extzv): Likewise.
        (builtin_extwh, builtin_extlh, builtin_extql): Likewise.
        (unaligned_extendqidi_be, unaligned_extendhidi_be, extxl_be): Remove.
        (*extxl_1_be, *extql_2_be, extqh_be, extlh_be, extwh_be): Remove.
        (insbl_be, inswl_be, insll_be, insql_be, mskxl_be): Remove.
        (unaligned_loadqi_be, unaligned_loadhi_be): Remove.
        (unaligned_storeqi_be, unaligned_storehi_be): Remove.
        (extbl): Rename from builtin_extbl; don't test WORDS_BIG_ENDIAN.
        (extwl, extll, extql): Similarly.
        (inswh, inslh, insqh): Similarly.
        (mskbl, mskwl, mskll, mskql): Similarly.
        (mskwh, msklh, mskqh): Similarly.

2011-02-24  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.md (attribute isa): Add er, ner.
        (attribute enabled): Handle them.
        (*movdi): Merge *movdi_{er_nofix,nofix,er_fix,fix}.

2011-02-24  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.md (attribute isa): Add vms.
        (attribute enabled): Handle it.
        (*movsf): Merge *movsf_{nofix,fix,nofp}.
        (*movdf): Merge *movdf_{nofix,fix,nofp}.
        (*movtf): Rename from *movtf_internal for consistency.
        (*movsi): Merge with *movsi_nt_vms.
        (*movhi): Merge *movhi_nobwx, *movhi_bwx.
        (*movqi): Merge *movqi_nobwx, *movqi_bwx.
        (*mov<VEC>): Merge *mov<VEC>_fix, *mov<VEC>_nofix.
        * config/alpha/constraint.md ("f"): Use NO_REGS when fpu is disabled.

2011-02-24  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.md (extendqihi2): Implement for BWX only.
        (extendqisi2, extendhisi2): Likewise.
        (extendqidi2): Simplify BWX/non-BWX expansions.
        (extendhidi2): Similarly.

2011-02-24  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.md (attribute isa): New.
        (attribute enabled): New.
        (zero_extendqihi2): Merge from *zero_extendqihi2_{bwx,nobwx}.
        (zero_extendqisi2, zero_extendqidi2): Similarly.
        (zero_extendhisi2, zero_extendhidi2): Similarly.
        * config/alpha/predicates.md (reg_or_bwx_memory_operand): New.

2011-02-24  Richard Henderson  <rth@redhat.com>

        * config/alpha/predicates.md (input_operand): Revert last change;
        update comment to mention 32-bit VMS rather than Windows.

2011-03-24  Nathan Froyd  <froydnj@codesourcery.com>

        * function.c (instantiate_virtual_regs): Use FOR_EACH_BB and
        FOR_BB_INSNS_SAFE to iterate through insns.  Re-indent.
        (pass_instantiate_virtual_regs): Require PROP_cfglayout.
        * passes.c (init_optimization_passes): Move
        pass_instantiate_virtual_regs after pass_into_cfg_layout_mode.

2011-03-24  Eric Botcazou  <ebotcazou@adacore.com>

        * dojump.c (do_jump_by_parts_greater_rtx): Optimize in specific cases.

2011-03-24  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (ix86_print_operand): Output DFmode const_double
        correctly.

2011-03-24  Jakub Jelinek  <jakub@redhat.com>

        PR debug/48204
        * simplify-rtx.c (simplify_const_unary_operation): Call
        real_convert when changing mode class with FLOAT_EXTEND.

2011-03-24  Nick Clifton  <nickc@redhat.com>

        * config/rx/rx.h (LABEL_ALIGN_FOR_BARRIER): Define.
        (ASM_OUTPUT_MAX_SKIP_ALIGN): Define.
        * config/rx/rx.c (rx_option_override): Set align_jumps,
        align_loops and align_labels if not set by the user.
        (rx_align_for_label): New function.
        (rx_max_skip_for_label): New function.
        (TARGET_ASM_JUMP_ALIGN_MAX_SKIP): Define.
        (TARGET_ASM_LOOP_ALIGN_MAX_SKIP): Define.
        (TARGET_ASM_LABEL_ALIGN_MAX_SKIP): Define.
        (TARGET_ASM_LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Define.
        * config/rx/rx-protos.h (rx_align_for_label): Add prototype.

2011-03-24  Richard Sandiford  <richard.sandiford@linaro.org>

        PR rtl-optimization/48263
        * optabs.c (expand_binop_directly): Reinstate convert_modes code
        and original commutative_p handling.  Use maybe_gen_insn.

2011-03-24  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * reload.c (find_reloads_subreg_address): Add address_reloaded
        parameter and return true there if the full address has been
        reloaded.
        (find_reloads_toplev): Pass address_reloaded flag.
        (find_reloads_address_1): Don't use address_reloaded parameter.

2011-03-24  Jeff Law  <law@redhat.com>

        * tree-ssa-live.c (remove_unused_scope_block_p): Remove set but
        unused variable "ann".
        (remove_unused_locals): Likewise.

        * tree-ssa-copy.c (propagate_tree_value_into_stmt): Remove useless
        statement.

        * cfglayout.c (fixup_reorder_chain): Do not dereference E_FALL
        after it is freed.

2011-03-24  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.c (s390_preferred_reload_class): Return NO_REGS
        for invalid symbolic addresses.
        (s390_secondary_reload): Don't use s390_check_symref_alignment for
        larl operands.

2011-03-24  Eric Botcazou  <ebotcazou@adacore.com>

        * fold-const.c (fold_ternary_loc): Preserve the location (if any) of
        the argument in calls to fold_truth_not_expr.

2011-03-24  Nathan Froyd  <froydnj@codesourcery.com>

        * tree.c (record_node_allocation_statistics): New function.
        (make_node_stat, copy_node_stat, build_string): Call it.
        (make_tree_binfo_stat, make_tree_vec_stat, tree_cons_stat): Likewise.
        (build1_stat, build_omp_clause): Likewise.

2011-03-24  Richard Sandiford  <richard.sandiford@linaro.org>

        * builtins.c (expand_movstr): Fix endp == 1 adjustment after
        last commit.

2011-03-24  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/48271
        * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only cleanup
        blocks that still exist.

2011-03-24  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/48270
        * tree-ssa-phiopt.c (cond_if_else_store_replacement): Do
        not free datarefs before ddrs.

2011-03-24  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-sra.c (build_ref_for_offset): Strip useless type conversions
        from the address built for a reference with variable offset.

2011-03-24  Uros Bizjak  <ubizjak@gmail.com>

        PR target/48237
        * config/i386/i386.md (*movdf_internal_rex64): Do not split
        alternatives that can be handled with movq or movabsq insn.
        (*movdf_internal): Disable for !TARGET_64BIT.
        (*movdf_internal_nointeger): Ditto.
        * config/i386/i386.c (ix86_print_operand): Handle DFmode immediates.

2011-03-24  Nathan Froyd  <froydnj@codesourcery.com>

        * system.h (FUNCTION_ARG, FUNCTION_INCOMING_ARG): Poison.
        (FUNCTION_ARG_ADVANCE): Likewise.
        * tm.texi.in: Change references to them to hook references.
        * tm.texi: Regenerate.
        * targhooks.c (default_function_arg): Eliminate check for target macro.
        (default_function_incoming_arg): Likewise.
        (default_function_arg_advance): Likewise.
        * target.def (function_arg, function_incoming_arg): Change to DEFHOOK.
        (function_arg_advance): Likewise.
        * target-def.h: Eliminate FUNCTION_INCOMING_ARG check.

2011-03-24  Richard Guenther  <rguenther@suse.de>

        PR middle-end/48269
        * tree-object-size.c (addr_object_size): Do not double-account
        for MEM_REF offsets.

2011-03-24  Diego Novillo  <dnovillo@google.com>

        * lto-opts.c (input_data_block): Move to lto-streamer-in.c.
        * lto-streamer-in.c (input_string_internal): Add clarifying comments.
        (lto_input_data_block): Move from lto-opts.c.  Make extern.
        Update all users.
        (lto_input_string): Rename from input_string.  Make extern.
        Update all users.
        * lto-streamer-out.c (lto_output_string_with_length): Rename from
        output_string_with_length.
        Output 0 to indicate a non-NULL string.  Update all callers to
        not emit 0.
        (lto_output_string): Rename from output_string.  Make extern.
        Update all users.
        (lto_output_decl_state_streams): Make extern.
        (lto_output_decl_state_refs): Make extern.
        * lto-streamer.h (lto_input_string): Declare.
        (lto_input_data_block): Declare.
        (lto_output_string): Declare.
        (lto_output_string_with_length): Declare.
        (lto_output_decl_state_streams): Declare.
        (lto_output_decl_state_refs): Declare.

2011-03-24  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/46562
        * tree.c (build_invariant_address): New function.
        * tree.h (build_invariant_address): Declare.
        * tree-dfa.c (get_addr_base_and_unit_offset): Wrap around
        a renamed function moved ...
        * tree-flow-inline.h (get_addr_base_and_unit_offset_1): ... here.
        Take valueization callback parameter.
        * tree-flow.h (gimple_fold_stmt_to_constant): Declare.
        * gimple-fold.h: New file.
        * tree-ssa-ccp.c (ccp_fold): Use gimple_fold_stmt_to_constant_1.
        (ccp_fold, fold_const_aggregate_ref,
        fold_ctor_reference, fold_nonarray_ctor_reference,
        fold_array_ctor_reference, fold_string_cst_ctor_reference,
        get_base_constructor): Move ...
        * gimple-fold.c: ... here.
        (gimple_fold_stmt_to_constant_1): New function
        split out from ccp_fold.  Take a valueization callback parameter.
        Valueize all operands.
        (gimple_fold_stmt_to_constant): New wrapper function.
        (fold_const_aggregate_ref_1): New function split out from
        fold_const_aggregate_ref.  Take a valueization callback parameter.
        (fold_const_aggregate_ref): Wrap fold_const_aggregate_ref_1.
        * tree-ssa-sccvn.c (simplify_binary_expression): Simplify
        invariant POINTER_PLUS_EXPRs to invariant form.
        (vn_valueize): New function.
        (try_to_simplify): Simplify by using gimple_fold_stmt_to_constant.
        * tree-vrp.c (vrp_valueize): New function.
        (vrp_visit_assignment_or_call): Use gimple_fold_stmt_to_constant
        to fold statements to constants.
        * tree-ssa-pre.c (eliminate): Properly guard propagation of
        function declarations.
        * Makefile.in (tree-ssa-sccvn.o, tree-vrp.o, gimple-fold.o,
        tree-ssa-ccp.o): Add gimple-fold.h dependencies.

2011-03-24  Richard Sandiford  <richard.sandiford@linaro.org>

        * config/h8300/predicates.md (jump_address_operand): Fix register
        mode check.

2011-03-24  Ira Rosen  <ira.rosen@linaro.org>

        * doc/invoke.texi (max-stores-to-sink): Document.
        * params.h (MAX_STORES_TO_SINK): Define.
        * opts.c (finish_options): Set MAX_STORES_TO_SINK to 0
        if either vectorization or if-conversion is disabled.
        * tree-data-ref.c (dr_equal_offsets_p1): Moved and renamed from
        tree-vect-data-refs.c vect_equal_offsets.
        (dr_equal_offsets_p): New function.
        (find_data_references_in_bb): Remove static.
        * tree-data-ref.h (find_data_references_in_bb): Declare.
        (dr_equal_offsets_p): Likewise.
        * tree-vect-data-refs.c (vect_equal_offsets): Move to tree-data-ref.c.
        (vect_drs_dependent_in_basic_block): Update calls to
        vect_equal_offsets.
        (vect_check_interleaving): Likewise.
        * tree-ssa-phiopt.c: Include cfgloop.h and tree-data-ref.h.
        (cond_if_else_store_replacement): Rename to...
        (cond_if_else_store_replacement_1): ... this.  Change arguments and
        documentation.
        (cond_if_else_store_replacement): New function.
        * Makefile.in (tree-ssa-phiopt.o): Adjust dependencies.
        * params.def (PARAM_MAX_STORES_TO_SINK): Define.

2011-03-23  Chung-Lin Tang  <cltang@codesourcery.com>

        PR target/46934
        * config/arm/arm.md (casesi): Use the gen_int_mode() function
        to subtract lower bound instead of GEN_INT().

2011-03-23  Jonathan Wakely  <jwakely.gcc@gmail.com>

        PR other/48179
        PR other/48221
        PR other/48234
        * doc/extend.texi (Alignment): Move section to match order in TOC.
        * doc/invoke.texi (i386 and x86-64 Windows Options): Likewise.
        (Warning Options): Adjust -Wno-cpp summary and remove stray backslash.

2011-03-23  Jeff Law  <law@redhat.com>

        * cfg.c (redirect_edge_succ_nodup): Duplicate the varm map
        before removing the edge.

        * cfgrtl.c (cfg_layout_redirect_edge_and_branch): Do not use E after
        it may have been freed by redirect_branch_edge or
        redirect_edge_succ_nodup.

2011-03-23  Richard Guenther  <rguenther@suse.de>

        * tree-stdarg.c (va_list_counter_bump): Handle bumps via MEM_REF.
        (check_va_list_escapes): Likewise.
        (check_all_va_list_escapes): Likewise.

2011-03-23  Richard Guenther  <rguenther@suse.de>

        * Makefile.in (IPA_TYPE_ESCAPE_H): Remove.
        (OBJS-archive): Remove ipa-struct-reorg.o and ipa-type-escape.o.
        (tree-ssa-alias.o): Do not depend on IPA_TYPE_ESCAPE_H.
        (alias.o): Likewise.
        (ipa-type-escape.o): Remove.
        (ipa-struct-reorg.o): Likewise.
        (GTFILES): Remove ipa-struct-reorg.c.
        * alias.c: Do not include ipa-type-escape.h.
        * tree-ssa-alias.c: Likewise.
        * common.opt (fipa-struct-reorg): Preserve for backward compatibility.
        * opts.c (finish_options): Do not reset flag_ipa_struct_reorg.
        * passes.c (init_optimization_passes): Remove ipa-struct-reorg
        and ipa-type-escape passes.
        * tree-pass.h (pass_ipa_type_escape): Remove.
        (pass_ipa_struct_reorg): Likewise.
        * ipa-struct-reorg.h: Remove.
        * ipa-struct-reorg.c: Likewise.
        * ipa-type-escape.h: Likewise.
        * ipa-type-escape.c: Likewise.
        * doc/invoke.texi (-fipa-struct-reorg): Remove.
        (--param struct-reorg-cold-struct-ratio): Likewise.
        * params.def (PARAM_STRUCT_REORG_COLD_STRUCT_RATIO): Likewise.
        * params.h (STRUCT_REORG_COLD_STRUCT_RATIO): Likewise.
        * timevar.def (TV_IPA_TYPE_ESCAPE): Likewise.

2011-03-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/2084.md: Enable all insn reservations also for z9_ec
        cpu attribute value.
        * config/s390/s390-opts.h (enum s390_arch_option): Remove.
        (enum processor_type): Add PROCESSOR_2094_Z9_EC.
        * config/s390/s390.c (processor_flags_table): New constant array.
        (s390_handle_arch_option): Remove.
        (s390_handle_option): Remove s390_handle_arch_option invocations
        and OPT_mwarn_framesize_ handling.
        (s390_option_override): Remove s390_handle_arch_option invocation.
        (s390_emit_prologue): Remove use of HOST_WIDE_INT_PRINT_DEC in
        warnings.
        * config/s390/s390.md (cpu attribute): Add z9_ec value.
        * config/s390/s390.opt (s390_tune, s390_arch)
        (march=): Replace s390_arch_option enum and values with
        processor_type.  Set variable name to s390_arch.  Set
        initialization value.
        (mtune=): Replace s390_arch_option with processor_type.  Set
        variable name to s390_tune.  Set initialization value.

2011-03-23  Julian Brown  <julian@codesourcery.com>

        * expr.c (expand_expr_real_1): Only use BLKmode for volatile
        accesses which are not naturally aligned.

2011-03-23  Richard Sandiford  <richard.sandiford@linaro.org>

        PR target/47553
        * config/arm/predicates.md (neon_lane_number): Accept 0..15.

2011-03-23  Richard Sandiford  <richard.sandiford@linaro.org>

        * optabs.h (emit_unop_insn, maybe_emit_unop_insn): Change insn code
        parameter from "int" to "enum insn_code".
        (expand_operand_type): New enum.
        (expand_operand): New structure.
        (create_expand_operand): New function.
        (create_fixed_operand, create_output_operand): Likewise
        (create_input_operand, create_convert_operand_to): Likewise.
        (create_convert_operand_from, create_address_operand): Likewise.
        (create_integer_operand): Likewise.
        (create_convert_operand_from_type, maybe_legitimize_operands): Declare.
        (maybe_gen_insn, maybe_expand_insn, maybe_expand_jump_insn): Likewise.
        (expand_insn, expand_jump_insn): Likewise.
        * builtins.c (expand_builtin_prefetch): Use the new interfaces.
        (expand_builtin_interclass_mathfn, expand_builtin_strlen): Likewise.
        (expand_movstr, expand_builtin___clear_cache): Likewise.
        (expand_builtin_lock_release): Likewise.
        * explow.c (allocate_dynamic_stack_space): Likewise.
        (probe_stack_range): Likewise.  Allow check_stack to FAIL,
        and use the default handling in that case.
        * expmed.c (check_predicate_volatile_ok): Delete.
        (store_bit_field_1, extract_bit_field_1): Use the new interfaces.
        (emit_cstore): Likewise.
        * expr.c (emit_block_move_via_movmem): Likewise.
        (set_storage_via_setmem, expand_assignment): Likewise.
        (emit_storent_insn, try_casesi): Likewise.
        (emit_single_push_insn): Likewise.  Allow the expansion to fail.
        * optabs.c (expand_widen_pattern_expr, expand_ternary_op): Likewise.
        (expand_vec_shift_expr, expand_binop_directly): Likewise.
        (expand_twoval_unop, expand_twoval_binop): Likewise.
        (expand_unop_direct, emit_indirect_jump): Likewise.
        (emit_conditional_move, vector_compare_rtx): Likewise.
        (expand_vec_cond_expr, expand_val_compare_and_swap_1): Likewise.
        (expand_sync_operation, expand_sync_fetch_operation): Likewise.
        (expand_sync_lock_test_and_set): Likewise.
        (maybe_emit_unop_insn): Likewise.  Change icode to an insn_code.
        (emit_unop_insn): Likewise.
        (expand_copysign_absneg): Change icode to an insn_code.
        (create_convert_operand_from_type): New function.
        (maybe_legitimize_operand, maybe_legitimize_operands): Likewise.
        (maybe_gen_insn, maybe_expand_insn, maybe_expand_jump_insn): Likewise.
        (expand_insn, expand_jump_insn): Likewise.
        * config/i386/i386.md (setmem<mode>): Use nonmemory_operand rather
        than const_int_operand for operand 2.

2011-03-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * dwarf2out.c (const_ok_for_output_1): Print the unspec enum name
        if possible.

2011-03-22  Nathan Froyd  <froydnj@codesourcery.com>

        * emit-rtl.c (emit_pattern_before_noloc): New function.
        (emit_insn_before_noloc, emit_jump_insn_before_noloc): Call it.
        (emit_call_insn_before_noloc, emit_debug_insn_before_noloc): Likewise.
        (emit_pattern_after_noloc): New function.
        (emit_insn_after_noloc, emit_jump_insn_after_noloc): Call it.
        (emit_call_insn_after_noloc, emit_debug_insn_after_noloc): Likewise.

2011-03-22  Nathan Froyd  <froydnj@codesourcery.com>

        * libgcc2.c (__lshrdi3, __ashldi3, __ashrdi3): Use W_TYPE_SIZE.
        (__ffsDI2): Likewise.

2011-03-22  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (direct_return): Use TARGET_ABI_OSF instead
        of !TARGET_ABI_OPEN_VMS.
        (alpha_trampoline_init, alpha_start_function): Likewise.
        (alpha_expand_epilogue, alpha_file_start): Likewise.
        * config/alpha/alpha.md (divsi3, modsi3): Likewise.
        (udivsi3, umodsi3, divdi3, moddi3, udivdi3, umoddi3): Likewise.
        (*divmodsi_internal_er, *divmodsi_internal_er_1): Likewise.
        (*divmodsi_internal, *divmoddi_internal_er): Likewise.
        (*divmoddi_internal_er_1, *divmoddi_internal): Likewise.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * config/s390/s390-opts.h: New.
        * config/s390/s390.c (s390_tune, s390_tune_flags, s390_arch,
        s390_arch_flags, s390_warn_framesize, s390_stack_size,
        s390_stack_guard): Remove.
        (s390_handle_arch_option): Return void.  Take enum
        s390_arch_option value instead of string and searching array.
        (s390_handle_option): Don't assert that global structures are in
        use.  Access variables via opts pointer.  Use error_at.  Don't use
        sscanf for -mstack-guard= or -mstack-size=.  Update call to
        s390_handle_arch_option.
        (s390_option_override): Update call to s390_handle_arch_option.
        (s390_emit_prologue): Use %d format for s390_stack_size in
        diagnostic.  Use %wd for HOST_WIDE_INT.
        * config/s390/s390.h (enum processor_type): Move to s390-opts.h.
        (s390_tune, s390_tune_flags, s390_arch, s390_arch_flags): Remove.
        * config/s390/s390.opt (config/s390/s390-opts.h): New
        HeaderInclude entry.
        (s390_arch_string, s390_tune, s390_tune_flags, s390_arch,
        s390_arch_flags, s390_warn_framesize): New Variable entries.
        (s390_arch_option): New Enum and EnumValue entries.
        (march=): Use Enum instead of Var.
        (mstack-guard=, mstack-size=): Use UInteger and Var.
        (mtune=): Use Enum.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * config/score/score.c (score_handle_option): Don't assert that
        global structures are in use.  Access target_flags via opts
        pointer.  Use value of -march= option to determine target_flags
        settings.
        * config/score/score.opt (march=): Use Enum.
        (score_arch): New Enum and EnumValue entries.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * config/mep/mep.c (option_mtiny_specified): Remove.
        (mep_option_override): Move register handling for -mivc2 from
        mep_handle_option.  Use global_options_set.x_mep_tiny_cutoff
        instead of option_mtiny_specified.
        (mep_handle_option): Access target_flags via opts pointer.  Don't
        assert that global structures are in use.  Defer part of -mivc2
        handling and move it to mep_option_override.
        * config/mep/mep.opt (IVC2): New Mask entry.
        (mivc2): Use Var and Defer instead of Mask.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * config/v850/v850-opts.h: New.
        * config/v850/v850.c (small_memory): Replace with
        small_memory_physical_max array.  Make that array static const.
        (v850_handle_memory_option): Take integer value of argument.  Take
        gcc_options pointer, option text and location.  Return void.
        Update for changes to small memory structures.
        (v850_handle_option): Access target_flags via opts pointer.  Don't
        assert that global structures are in use.  Update calls to
        v850_handle_memory_option.
        (v850_encode_data_area): Update references to small memory settings.
        * config/v850/v850.h (struct small_memory_info, small_memory): Remove.
        (enum small_memory_type): Move to v850-opts.h.
        * config/v850/v850.opt (config/v850/v850-opts.h): New
        HeaderInclude entry.
        (small_memory_max): New Variable entry.
        (msda): Replace by pair of options msda= and msda-.  Use UInteger.
        (mtda, mzda): Likewise.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * config/sh/sh.c (sh_handle_option): Access target_flags via opts
        pointer.  Don't assert that global structures are in use.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * config/pdp11/pdp11.c (pdp11_handle_option): Access target_flags
        via opts pointer.  Don't assert that global structures are in use.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * config/pa/pa-hpux.opt (flag_pa_unix): New Variable entry.
        (munix=93): Use Var.
        * config/pa/pa-hpux1010.opt (munix=95): Use Var.
        * config/pa/pa-hpux1111.opt (munix=98): Use Var.
        * config/pa/pa-opts.h: New.
        * config/pa/pa.c (pa_cpu, flag_pa_unix): Remove.
        (pa_handle_option): Don't assert that global structures are in
        use.  Access target_flags via opts pointer.  Don't handle
        OPT_mschedule_, OPT_mfixed_range_, OPT_munix_93, OPT_munix_95 or
        OPT_munix_98 here.
        (pa_option_override): Handle deferred OPT_mfixed_range_.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * config/mn10300/mn10300-opts.h: New.
        * config/mn10300/mn10300.c (mn10300_processor,
        mn10300_tune_string): Remove.
        (mn10300_handle_option): Don't assert that global structures are
        in use.  Access mn10300_processor via opts pointer.  Don't handle
        OPT_mtune_ here.
        * config/mn10300/mn10300.h (enum processor_type): Move to
        mn10300-opts.h.
        (mn10300_processor): Remove.
        * config/mn10300/mn10300.opt (config/mn10300/mn10300-opts.h): New
        HeaderInclude entry.
        (mn10300_processor): New Variable entry.
        (mtune=): Use Var.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * config/microblaze/microblaze.c: Don't include opts.h.
        (microblaze_handle_option, TARGET_HANDLE_OPTION): Remove.
        * config/microblaze/microblaze.opt (mxl-stack-check): Use Warn.
        (mno-clearbss): Use Var and Warn.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * config/m32r/m32r-opts.h: New.
        * config/m32r/m32r.c (m32r_model, m32r_sdata): Remove.
        (m32r_handle_option): Don't assert that global structures are in
        use.  Access target_flags and m32r_cache_flush_func via opts
        pointer.  Don't handle OPT_mmodel_, OPT_msdata_ or
        OPT_mno_flush_trap here.
        * config/m32r/m32r.h (Code Models, Small Data Area): Replace by
        include of m32r-opts.h.
        * config/m32r/m32r.opt (config/m32r/m32r-opts.h): New
        HeaderInclude entry.
        (m32r_model_selected, m32r_sdata_selected): New Variable entries.
        (mmodel=): Use Enum and Var.
        (m32r_model): New Enum and EnumValue entries.
        (mno-flush-trap): Use Var.
        (msdata=): Use Enum and Var.
        (m32r_sdata): New Enum and EnumValue entries.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * config/m32c/m32c.c: Don't include opts.h.
        (target_memregs, target_memregs_set, TARGET_HANDLE_OPTION,
        m32c_handle_option): Remove.
        (m32c_option_override): Check global_options_set.x_target_memregs
        instead of target_memregs_set.
        * config/m32c/m32c.h (target_memregs): Remove.
        * config/m32c/m32c.opt (memregs=): Use UInteger with integer
        variable.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * config/iq2000/iq2000-opts.h: New.
        * config/iq2000/iq2000.c: Don't include opts.h.
        (iq2000_tune, iq2000_handle_option, TARGET_HANDLE_OPTION): Remove.
        * config/iq2000/iq2000.h (enum processor_type, iq2000_tune): Remove.
        * config/iq2000/iq2000.opt (config/iq2000/iq2000-opts.h): New
        HeaderInclude entry.
        (iq2000_tune): New Variable entry.
        (march=): Add comment.  Use Enum.
        (iq2000_arch): New Enum and EnumValue entries.
        (mcpu=): Use Enum and Var.
        (iq2000_tune): New Enum and EnumValue entries.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * config/ia64/ia64-opts.h: New.
        * config/ia64/ia64.c (ia64_tune): Remove.
        (ia64_handle_option): Don't handle OPT_mfixed_range_ or OPT_mtune_
        here.  Use error_at.
        (ia64_option_override): Handle deferred OPT_mfixed_range_.
        * config/ia64/ia64.h (enum processor_type, ia64_tune): Remove.
        * config/ia64/ia64.opt (config/ia64/ia64-opts.h): New
        HeaderInclude entry.
        (ia64_tune): New Variable entry.
        (mfixed-range=): Use Defer and Var.
        (mtune=): Use Enum and Var.
        (ia64_tune): New Enum and EnumValue entries.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * config/frv/frv-opts.h: New.
        * config/frv/frv-protos.h (enum frv_cpu, frv_cpu_t): Move to
        frv-opts.h.
        (frv_cpu_type): Remove.
        * config/frv/frv.c: Don't include opts.h.
        (frv_cpu_type, frv_handle_option, TARGET_HANDLE_OPTION): Remove.
        * config/frv/frv.opt (config/frv/frv-opts.h): New HeaderInclude entry.
        (frv_cpu_type): New Variable entry.
        (frv_cpu): New Enum and EnumValue entries.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * config/cris/cris.c (cris_handle_option): Access target_flags via
        opts pointer.  Don't assert that global structures are in use.
        Don't call CRIS_SUBTARGET_HANDLE_OPTION.
        * config/cris/cris.h (CRIS_SUBTARGET_HANDLE_OPTION): Don't define.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * config/bfin/bfin-opts.h: New.
        * config/bfin/bfin.c (bfin_lib_id_given, bfin_cpu_type,
        bfin_si_revision, bfin_workarounds): Remove.
        (bfin_cpus): Make static const.
        (bfin_load_pic_reg): Check global_options_set.x_bfin_library_id
        not bfin_lib_id_given.
        (bfin_handle_option): Don't set bfin_lib_id_given.  Access
        bfin_cpu_type, bfin_si_revision and bfin_workarounds via opts
        pointer. Use error_at.  Don't assert that global structures are in use.
        * config/bfin/bfin.h: Include bfin-opts.h.
        (enum bfin_cpu_type, bfin_cpu_t): Move to bfin-opts.h.
        (bfin_cpu_type, bfin_si_revision, bfin_workarounds): Remove.
        * bfin.opt (config/bfin/bfin-opts.h): New HeaderInclude entry.
        (bfin_cpu_type, bfin_si_revision, bfin_workarounds): New Variable
        entries.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * config/arm/arm.opt (mhard-float, msoft-float): Use Alias.
        * config/arm/arm.c (arm_handle_option): Don't handle -mhard-float
        or -msoft-float here.
        * config/arm/arm.h (CPP_SPEC): Handle -mfloat-abi=*, not
        -msoft-float and -mhard-float.
        (OPTION_DEFAULT_SPECS): Don't handle -mhard-float and -msoft-float.
        * config/arm/coff.h (MULTILIB_DEFAULTS): Use mfloat-abi=soft, not
        msoft-float.
        * config/arm/elf.h (ASM_SPEC): Don't handle -mhard-float and
        -msoft-float.
        (MULTILIB_DEFAULTS): Use mfloat-abi=soft, not msoft-float.
        * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Use mfloat-abi=hard,
        not mhard-float.
        (LIBGCC_SPEC): Don't handle -msoft-float.
        * config/arm/netbsd-elf.h (SUBTARGET_ASM_FLOAT_SPEC): Don't handle
        -mhard-float.
        * config/arm/pe.h (MULTILIB_DEFAULTS): Use mfloat-abi=soft, not
        msoft-float.
        * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Handle
        -mfloat-abi=*, not -msoft-float and -mhard-float.
        * config/arm/semi.h((ASM_SPEC): Don't handle -mhard-float and
        -msoft-float.
        * config/arm/t-arm-elf (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS):
        Use mfloat-abi=hard and mfloat-abi=soft in comments, not
        mhard-float and msoft-float.
        * config/arm/t-linux (MULTILIB_OPTIONS): Use mfloat-abi=hard and
        mfloat-abi=soft in comments, not mhard-float and msoft-float.
        * config/arm/t-rtems (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Use
        mfloat-abi=soft and mfloat-abi=hard, not msoft-float and
        mhard-float.
        * config/arm/t-strongarm-elf (MULTILIB_OPTIONS): Use
        mfloat-abi=hard and mfloat-abi=soft, not mhard-float and
        msoft-float.
        * config/arm/t-wince-pe (MULTILIB_OPTIONS): Use mfloat-abi=hard,
        not mhard-float.
        * config/arm/wince-pe.h (MULTILIB_DEFAULTS): Use mfloat-abi=soft,
        not msoft-float.

2011-03-22  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_expand_prologue): Don't test
        TARGET_ABI_WINDOWS_NT.
        (alpha_output_function_end_prologue): Likewise.
        * config/alpha/alpha.h (TARGET_ABI_OSF): Likewise.
        (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
        * config/alpha/alpha.md (call, call_value, tablejump): Likewise.
        (trap, *movsi_nt_vms): Likewise.
        (call_nt, call_value_nt, *call_nt_1, *call_value_nt_1): Remove.
        (*tablejump_osf_nt_internal): Remove.
        * config/alpha/predicates.md (input_operand): Only test Pmode.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * config/alpha/alpha.c (alpha_handle_option): Access target_flags
        via opts pointer.  Use error_at.  Don't assert that global
        structures are in use.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/i386.c (ix86_isa_flags_explicit): Remove.
        (ix86_handle_option): Access ix86_isa_flags and
        ix86_isa_flags_explicit via opts pointer.  Don't assert that
        global structures are in use.
        (ix86_function_specific_save, ix86_function_specific_restore):
        Update ix86_isa_flags_explicit field name.
        * config/i386/i386.opt (ix86_isa_flags_explicit): New Variable entry.
        (ix86_isa_flags_explicit): Rename TargetSave entry to
        x_ix86_isa_flags_explicit.

2011-03-22  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (NUM_ARGS): Don't test TARGET_ABI_UNICOSMK.
        (alpha_option_override, direct_return): Likewise.
        (alpha_arg_partial_bytes, alpha_setup_incoming_varargs): Likewise.
        (alpha_va_start, alpha_gimplify_va_arg, alpha_sa_mask): Likewise.
        (alpha_sa_size, compute_frame_size, alpha_expand_prologue): Likewise.
        (alpha_start_function, alpha_output_function_end_prologue): Likewise.
        (alpha_expand_epilogue, alpha_end_function): Likewise.
        (alpha_init_libfuncs): Likewise.
        (struct machine_function): Remove unicosmk members.
        (print_operand) ['t']: Remove.
        (unicosmk_must_pass_in_stack, unicosmk_initial_elimination_offset,
        unicosmk_output_module_name, unicosmk_output_common,
        current_section_align, unicosmk_output_text_section_asm_op,
        unicosmk_output_data_section_asm_op, unicosmk_init_sections,
        unicosmk_section_type_flags, unicosmk_unique_section,
        unicosmk_asm_named_section, unicosmk_insert_attributes,
        unicosmk_output_align, unicosmk_defer_case_vector,
        unicosmk_output_addr_vec, unicosmk_output_deferred_case_vectors,
        SSIB_PREFIX, SSIB_PREFIX_LEN, unicosmk_ssib_name, unicosmk_gen_dsib,
        unicosmk_output_ssib, unicosmk_add_call_info_word,
        unicosmk_extern_head, unicosmk_output_default_externs,
        unicosmk_output_externs, unicosmk_add_extern, unicosmk_dex_list,
        unicosmk_dex_count, unicosmk_special_name, unicosmk_need_dex,
        unicosmk_output_dex, unicosmk_file_start, unicosmk_file_end): Remove.
        * config/alpha/alpha-protos.h: Update.
        * config/alpha/alpha.h (TARGET_ABI_OSF): Don't test TARGET_ABI_UNICOSMK.
        * config/alpha/alpha.md (UNSPEC_UMK_LAUM, UNSPEC_UMK_LALM): Remove.
        (UNSPEC_UMK_LAL, UNSPEC_UMK_LOAD_CIW): Remove.
        (mulsi3): Don't test TARGET_ABI_UNICOSMK.
        (*mulsi_se, mulvsi3): Likewise.
        (divsi3, udivsi3, modsi3, umodsi3, divdi3, udivdi3): Likewise.
        (*divmodsi_internal, call, call_value, realign): Likewise.
        (moddi3, umoddi3): Likewise; remove duplicate expander.
        (moddi3_umk, umoddi3_umk, call_umk, call_value_umk): Remove.
        (*call_umk_1, *movsi, umk_laum, umk_lalm, *umk_load_ciw): Remove.
        (*movdi_nofix): Remove r/U alternative.
        (umk_mismatch_args, arg_home_umk, *call_value_umk): Remove.
        * config/alpha/constraints.md ("U"): Remove.
        * config/alpha/predicates.md (call_operand"): Don't test
        TARGET_ABI_UNICOSMK.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * target.def (handle_option): Take gcc_options and
        cl_decoded_option pointers and location_t.
        * doc/tm.texi.in (TARGET_HANDLE_OPTION): Update documentation.
        * doc/tm.texi: Regenerate.
        * hooks.c (hook_bool_size_t_constcharptr_int_true): Remove.
        * hooks.h (hook_bool_size_t_constcharptr_int_true): Don't declare.
        * lto-opts.c (lto_reissue_options): Generate option structure for
        targetm.handle_option call.
        * opts.c (target_handle_option): Update call to
        targetm.handle_option.  Remove assertions about values now passed
        down to hook.
        * targhooks.c (default_target_handle_option): New.
        * targhooks.h (default_target_handle_option): Declare.
        * config/alpha/alpha.c: Include opts.h.
        (alpha_handle_option): Update to new hook interface.
        * config/arm/arm.c: Include opts.h.
        (arm_handle_option): Update to new hook interface.
        * config/arm/t-arm (arm.o): Update dependencies.
        * config/bfin/bfin.c: Include opts.h.
        (bfin_handle_option): Update to new hook interface.
        * config/cris/cris.c: Include opts.h.
        (cris_handle_option): Update to new hook interface.
        * config/frv/frv.c: Include opts.h.
        (frv_handle_option): Update to new hook interface.
        * config/i386/i386.c: Include opts.h.
        (ix86_handle_option): Update to new hook interface.
        (ix86_valid_target_attribute_inner_p): Generate option structure
        for call to ix86_handle_option.
        * config/i386/t-i386 (i386.o): Update dependencies.
        * config/ia64/ia64.c: Include opts.h.
        (ia64_handle_option): Update to new hook interface.
        * config/ia64/t-ia64 (ia64.o): Update dependencies.
        * config/iq2000/iq2000.c: Include opts.h.
        (iq2000_handle_option): Update to new hook interface.
        * config/m32c/m32c.c: Include opts.h.
        (m32c_handle_option): Update to new hook interface.
        * config/m32r/m32r.c: Include opts.h.
        (m32r_handle_option): Update to new hook interface.
        * config/m68k/m68k.c: Include opts.h.
        (m68k_handle_option): Update to new hook interface.
        * config/mep/mep.c: Include opts.h.
        (mep_handle_option): Update to new hook interface.
        * config/microblaze/microblaze.c: Include opts.h.
        (microblaze_handle_option): Update to new hook interface.
        * config/mips/mips.c: Include opts.h.
        (mips_handle_option): Update to new hook interface.
        * config/mn10300/mn10300.c: Include opts.h.
        (mn10300_handle_option): Update to new hook interface.
        * config/pa/pa.c: Include opts.h.
        (pa_handle_option): Update to new hook interface.
        * config/pdp11/pdp11.c: Include opts.h.
        (pdp11_handle_option): Update to new hook interface.
        * config/rs6000/rs6000.c: Include opts.h.
        (rs6000_handle_option): Update to new hook interface.
        * config/rs6000/t-rs6000 (rs6000.o): Update dependencies.
        * config/rx/rx.c: Include opts.h.
        (rx_handle_option): Update to new hook interface.
        * config/s390/s390.c: Include opts.h.
        (s390_handle_option): Update to new hook interface.
        * config/score/score.c: Include opts.h.
        (score_handle_option): Update to new hook interface.
        * config/sh/sh.c: Include opts.h.
        (sh_handle_option): Update to new hook interface.
        * config/sparc/sparc.c: Include opts.h.
        (sparc_handle_option): Update to new hook interface.
        * config/v850/v850.c: Include opts.h.
        (v850_handle_option): Update to new hook interface.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * gcc.c (driver_unknown_option_callback): Only permit and save
        unknown -Wno- options.
        (driver_wrong_lang_callback): Save options directly instead of via
        driver_unknown_option_callback.

2011-03-22  Eric Botcazou  <ebotcazou@adacore.com>

        * combine.c (simplify_set): Try harder to find the best CC mode when
        simplifying a nested COMPARE on the RHS.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * config/alpha/gnu.h: Remove.
        * config/arc: Remove directory.
        * config/arm/netbsd.h: Remove.
        * config/arm/t-pe: Remove.
        * config/crx: Remove directory.
        * config/i386/netbsd.h: Remove.
        * config/m68hc11: Remove directory.
        * config/m68k/uclinux-oldabi.h: Remove.
        * config/mcore/mcore-pe.h: Remove.
        * config/mcore/t-mcore-pe: Remove.
        * config/netbsd-aout.h: Remove.
        * config/rs6000/gnu.h: Remove.
        * config/sh/sh-symbian.h: Remove.
        * config/sh/symbian-base.c: Remove.
        * config/sh/symbian-c.c: Remove.
        * config/sh/symbian-cxx.c: Remove.
        * config/sh/symbian-post.h: Remove.
        * config/sh/symbian-pre.h: Remove.
        * config/sh/t-symbian: Remove.
        * config/svr3.h: Remove.
        * config/vax/netbsd.h: Remove.
        * config.build: Don't handle i[34567]86-*-pe.
        * config.gcc: Remove handling of deprecations for most deprecated
        targets.
        (m68k-*-uclinuxoldabi*): Add to second deprecated list.
        (alpha*-*-gnu*, arc-*-elf*, arm*-*-netbsd*, arm-*-pe*, crx-*-elf,
        i[34567]86-*-netbsd*, i[34567]86-*-pe, m68hc11-*-*|m6811-*-*,
        m68hc12-*-*|m6812-*-*, m68k-*-uclinuxoldabi*, mcore-*-pe*,
        powerpc64-*-gnu*, powerpc-*-gnu-gnualtivec*, powerpc-*-gnu*,
        sh-*-symbianelf* | sh[12346l]*-*-symbianelf*, vax-*-netbsd*):
        Remove cases.
        * config.host: Don't handle i[34567]86-*-pe.
        * config/rs6000/linux64.h (LINK_OS_GNU_SPEC): Remove.
        (ASM_SPEC32): Don't handle -mcall-gnu.
        * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Don't handle
        -mcall-gnu.
        (ASM_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC, CPP_SPEC,
        STARTFILE_SPEC, LIB_SPEC, ENDFILE_SPEC): Don't handle -mcall-gnu.
        (LIB_GNU_SPEC, STARTFILE_GNU_SPEC, ENDFILE_GNU_SPEC,
        LINK_START_GNU_SPEC, LINK_OS_GNU_SPEC, CPP_OS_GNU_SPEC): Remove.
        (SUBTARGET_EXTRA_SPECS): Remove *_gnu specs.
        * config/sh/sh-protos.h, config/sh/sh.c: Remove all code
        conditional on SYMBIAN.
        * configure.ac: Don't handle powerpc*-*-gnu*.
        * configure: Regenerate.
        * doc/extend.texi (interrupt attribute): Don't mention CRX.
        * doc/install-old.texi (m6811, m6812): Don't mention.
        * doc/install.texi (arc-*-elf*): Don't document multilib option.
        (arc-*-elf, CRX, m6811-elf, m6812-elf): Remove.
        (m68k-uclinuxoldabi): Don't mention.
        * doc/invoke.texi (ARC Options, CRX Options, M68hc1x Options):
        Remove.
        (-mcall-gnu): Remove.
        * doc/md.texi (CRX Architecture, Motorola 68HC11 & 68HC12
        families): Remove constraint documentation.

2011-03-22  Marius Strobl  <marius@FreeBSD.org>

        * config/sparc/freebsd.h (CPP_CPU64_DEFAULT_SPEC): Replace with...
        (FBSD_TARGET_CPU_CPP_BUILTINS): ...this.
        (TARGET_GNU_TLS, TARGET_SUN_TLS): Define.

2011-03-21  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/48226
        * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If we see a
        vector when peeking at the next token for vector, don't expand the
        keywords.

2011-03-21  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/avr-protos.h (expand_epilogue): Change prototype
        * config/avr/avr.h (struct machine_function): Add field sibcall_fails.
        * config/avr/avr.c (init_cumulative_args)
        (avr_function_arg_advance): Use it.
        * config/avr/avr.c (expand_epilogue): Add bool parameter. Handle
        sibcall epilogues.
        (TARGET_FUNCTION_OK_FOR_SIBCALL): Define to...
        (avr_function_ok_for_sibcall): ...this new function.
        (avr_lookup_function_attribute1): New static Function.
        (avr_naked_function_p, interrupt_function_p)
        (signal_function_p, avr_OS_task_function_p)
        (avr_OS_main_function_p): Use it.
        * config/avr/avr.md ("sibcall", "sibcall_value")
        ("sibcall_epilogue"): New expander.
        ("*call_insn", "*call_value_insn"): New insn.
        ("call_insn", "call_value_insn"): Remove
        ("call", "call_value", "epilogue"): Change expander to handle
        sibling calls.

2011-03-21  Nick Clifton  <nickc@redhat.com>

        * doc/invoke.texi (Overall Options): Move closing brace to end of
        options list.
        (Optimization Options): Add missing @gol.
        (Directory Options): Likewise.
        (i386 and x86-64 Options): Likewise.
        (RS6000 and PowerPC Options): Likewise.
        (i386 and x86-64 Windows Options): Likewise.
        (V850 Options): Add text missing from descriptions.

2011-03-22  Richard Henderson  <rth@redhat.com>

        * config/avr/avr.c (TARGET_EXCEPT_UNWIND_INFO): New.
        (avr_incoming_return_addr_rtx): New.
        (emit_push_byte): New.
        (expand_prologue): Use it.  Remove incorrect dwarf annotation for
        SREG, RAMPZ, zero register.  Push frame pointer by bytes.  Add dwarf
        annotation for __prologue_saves__.  Fixup dwarf annotation for CFA.
        (emit_pop_byte): New.
        (expand_epilogue): Use it.  Pop frame pointer by bytes.
        * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Remove.
        (INCOMING_RETURN_ADDR_RTX): New.
        (INCOMING_FRAME_SP_OFFSET): New.
        (ARG_POINTER_CFA_OFFSET): New.
        * config/avr/avr.md (*pushqi): Fix mode of auto-inc.
        (*pushhi, *pushsi, *pushsf, popqi): Likewise.
        (pophi): Remove.

        * dwarf2out.c (dwarf2out_frame_debug_expr) [rule 11]: Handle post_dec.

2011-03-22  Nathan Froyd  <froydnj@codesourcery.com>

        * system.h (FUNCTION_ARG, FUNCTION_INCOMING_ARG): Poison.
        (FUNCTION_ARG_ADVANCE): Likewise.
        * tm.texi.in: Change references to them to hook references.
        * tm.texi: Regenerate.
        * targhooks.c (default_function_arg): Eliminate check for target
        macro.
        (default_function_incoming_arg): Likewise.
        (default_function_arg_advance): Likewise.
        * target.def (function_arg, function_incoming_arg): Change to DEFHOOK.
        (function_arg_advance): Likewise.
        * target-def.h: Eliminate FUNCTION_INCOMING_ARG check.

2011-03-22  Nathan Froyd  <froydnj@codesourcery.com>

        * tree.c (build_call_1): New function.
        (build_call_valist, build_call_array_loc, build_call_vec): Call it.

2011-03-22  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/48228
        * tree-vrp.c (vrp_visit_phi_node): Do not stop propagating
        for single-arg PHIs.

2011-03-22  Andrey Belevantsev  <abel@ispras.ru>

        PR rtl-optimization/48143
        * config/i386/sse.md (*sse2_cvtpd2dq): Add athlon_decode attribute.
        (*sse2_cvttpd2dq, sse2_cvtss2sd, *sse2_cvtpd2ps,
        sse2_cvtps2pd): Likewise.

2011-03-22  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * recog.c (canonicalize_change_group): Use validate_unshare_change.

2011-03-22  Richard Guenther  <rguenther@suse.de>

        * gimple.c (gimple_rhs_class_table): POLYNOMIAL_CHREC is not
        a valid RHS.  Make DOT_PROD_EXPR and REALIGN_LOAD_EXPR ternary.
        * tree-cfg.c (verify_gimple_assign_ternary): Allow DOT_PROD_EXPR
        and REALIGN_LOAD_EXPR.
        (verify_gimple_assign_single): Do not allow POLYNOMIAL_CHREC,
        DOT_PROD_EXPR or REALIGN_LOAD_EXPR.
        * expr.c (expand_expr_real_1): Move REALIGN_LOAD_EXPR and
        DOT_PROD_EXPR case ...
        (expand_expr_real_2): ... here.
        * gimple-pretty-print.c (dump_ternary_rhs): Handle DOT_PROD_EXPR
        and REALIGN_LOAD_EXPR.
        * tree-data-ref.c (split_constant_offset): Bail out for all CHRECs.
        * tree-vect-loop.c (vect_model_reduction_cost): Handle ternaries.
        (vect_create_epilog_for_reduction): Likewise.
        (vectorizable_reduction): Likewise.
        * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Adjust.
        * tree-vect-stmts.c (vectorizable_load): Likewise.

2011-03-22  Eric Botcazou  <ebotcazou@adacore.com>

        * gimplify.c (gimplify_cond_expr): Gimplify COMPOUND_EXPR conditions.

2011-03-22  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.c (s390_delegitimize_address): Fix offset
        handling for PLTOFF/GOTOFF.

2011-03-22  Nick Clifton  <nickc@redhat.com>

        * config/i386/cygming.h (SUBTARGET_OVERRIDE_OPTIONS): Remove
        trailing backslash from the end of the macro definition.

2011-03-22  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.c (s390_delegitimize_address): Handle PLTOFF
        and PLT unspecs.

2011-03-21  Richard Sandiford  <richard.sandiford@linaro.org>

        * expr.h (prepare_operand): Move to...
        * optabs.h (prepare_operand): ...here and change the insn code
        parameter from "int" to "enum insn_code".
        (insn_operand_matches): Declare.
        * expr.c (init_expr_target): Use insn_operand_matches.
        (compress_float_constant): Likewise.
        * function.c (safe_insn_predicate, assign_parm_setup_reg): Likewise.
        * optabs.c (can_compare_p, prepare_cmp_insn): Likewise.
        (emit_cmp_and_jump_insn_1, gen_add2_insn, gen_add3_insn): Likewise.
        (have_add2_insn, gen_sub2_insn, gen_sub3_insn, have_sub2_insn):
        Likewise.
        (gen_cond_trap): Likewise.
        (prepare_operand): Likewise.  Change icode to an insn_code.
        (insn_operand_matches): New function.
        * reload.c (find_reloads_address_1): Use insn_operand_matches.
        * reload1.c (gen_reload): Likewise.
        * targhooks.c (default_secondary_reload): Likewise.

2011-03-21  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.md (unspec): New define_c_enum.
        (unspecv): Ditto.

2011-03-21  Uros Bizjak  <ubizjak@gmail.com>

        PR debug/48214
        * config/alpha/alpha.c (alpha_pad_noreturn): Do not emit an unop
        between a call and its CALL_ARG_LOCATION note.

2011-03-21  Eric Botcazou  <ebotcazou@adacore.com>

        * gimplify.c (gimplify_vla_decl): Set TREE_THIS_NOTRAP flag.

2011-03-21  Jakub Jelinek  <jakub@redhat.com>

        PR c/42544
        PR c/48197
        * c-common.c (shorten_compare): If primopN is first sign-extended
        to opN and then zero-extended to result type, set primopN to opN.

2011-03-21  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/arm/unwind-arm.c (__gnu_unwind_pr_common): Correct test
        for barrier handlers.

2011-03-21  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/rs6000.md (UNSPEC_*, UNSPECV_*): Redefine all
        UNSPEC constants to be in the unspec enumeration, and redefine
        all UNSPECV constants to be in the unspecv enumeration, so that
        dumps print which unspec/unspec_volatile this is.
        * config/rs6000/vector.md (UNSPEC_*): Ditto.
        * config/rs6000/paired.md (UNSPEC_*): Ditto.
        * config/rs6000/vsx.md (UNSPEC_*): Ditto.
        * config/rs6000/altivec.md (UNSPEC_*, UNSPECV_*): Ditto.
        * config/rs6000/dfp.md (UNSPEC_*): Ditto.

        * config/rs6000/rs6000.md (UNSPECV_ISYNC, UNSPECV_LWSYNC): Rename
        UNSPEC_ISYNC and UNSPEC_HWSYNC to UNSPECV_ISYNC and
        UNSPECV_LWSYNC, since these are used as unspec_volatile.
        * config/rs6000/sync.md (isync, lwsync): Ditto.

2011-03-21  Richard Guenther  <rguenther@suse.de>

        * params.def (lto-min-partition): Fix typo.

2011-03-21  Richard Guenther  <rguenther@suse.de>

        PR c/47939
        * c-decl.c (grokdeclarator): Drop to the main variant only
        for array types.  Drop flag_gen_aux_info check.

2011-03-21  Richard Guenther  <rguenther@suse.de>

        PR translation/47911
        * params.def (lto-partitions): Fix typo.
        (lto-min-partition): Fix wording.

2011-03-21  Andreas Tobler  <andreast@fgznet.ch>

        * config/rs6000/t-freebsd: Remove duplication from file.

2011-03-21  Richard Guenther  <rguenther@suse.de>

        PR middle-end/47661
        * gimple.c (is_gimple_condexpr): Use tree_could_throw_p.

2011-03-21  Richard Guenther  <rguenther@suse.de>

        PR lto/48210
        * params.def (lto-partitions): Require at least 1 partition.

2011-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * gthr-solaris.h: Remove.
        * gthr.h (_SOLARIS_THREADS): Don't include gthr-solaris.h, remove.
        * config/sol2.h (CPP_SUBTARGET_SPEC): Remove -threads support.
        (LIB_SPEC): Likewise.
        * config/sol2.opt (threads): Remove.
        * config.gcc (i[34567]86-*-solaris2*): Remove solaris threads support.
        (sparc*-*-solaris2*): Likewise.
        * configure.ac (enable_threads): Enable solaris support.
        * configure: Regenerate.
        * doc/invoke.texi (Option Summary, Solaris 2 Options): Remove -threads.
        * doc/install.texi (Configuration, --enable-threads=lib): Remove
        solaris.

2011-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config.gcc: Obsolete *-*-solaris2.8*.
        * doc/install.texi (Specific, *-*-solaris2*): Document it.

2011-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR bootstrap/48135
        * doc/install.texi (Prerequisites, Perl): Remove Glob.pm
        reference.  Solaris 8 perl works.

2011-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR bootstrap/48135
        * doc/install.texi (Prerequisites): Move jar etc. up.
        Explain support library version requirements.

2011-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR bootstrap/48135
        * doc/install.texi (Prerequisites): Move Perl to build
        requirements.  Always necessary on Solaris 2 with Sun ld.

2011-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * doc/install.texi (Specific, alpha*-dec-osf5.1): Update for
        binutils 2.21.
        (Specific, i?86-*-solaris2.[89]): Likewise.
        (Specific, i?86-*-solaris2.10): Likewise.
        (Specific, mips-sgi-irix6): Likewise.
        (Specific, *-*-solaris2*): Remove Sun Studio download URL.
        Update for binutils 2.21.

2011-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac (gcc_cv_lto_plugin): Fix typo.
        Allow -fuse-linker-plugin for non-default plugin linker.
        * configure: Regenerate.

2011-03-21  Nicola Pero  <nicola.pero@meta-innovation.com>

        PR bootstrap/48167
        * gengtype.c (files_rules): Added rule for cp/parser.h.

2011-03-21  Jakub Jelinek  <jakub@redhat.com>

        PR target/48213
        * config/s390/s390.c (s390_delegitimize_address): Don't call
        lowpart_subreg if orig_x has BLKmode.

2011-03-21  Kai Tietz  <ktietz@redhat.com>

        PR target/12171
        * doc/plugins.texi: Adjust documentation for plugin register_callback.
        * tree.h (attribute_spec): Add new member affects_type_identity.
        * attribs.c (empty_attribute_table): Adjust attribute_spec
        initializers.
        * config/alpha/alpha.c: Likewise.
        * config/arc/arc.c: Likewise.
        * config/arm/arm.c: Likewise.
        * config/avr/avr.c: Likewise.
        * config/bfin/bfin.c: Likewise.
        * config/crx/crx.c: Likewise.
        * config/darwin.h: Likewise.
        * config/h8300/h8300.c: Likewise.
        * config/i386/cygming.h: Likewise.
        * config/i386/i386.c: Likewise.
        * config/ia64/ia64.c: Likewise.
        * config/m32c/m32c.c: Likewise.
        * config/m32r/m32r.c: Likewise.
        * config/m68hc11/m68hc11.c: Likewise.
        * config/m68k/m68k.c: Likewise.
        * config/mcore/mcore.c: Likewise.
        * config/mep/mep.c: Likewise.
        * config/microblaze/microblaze.c: Likewise.
        * config/mips/mips.c: Likewise.
        * config/rs6000/rs6000.c: Likewise.
        * config/rx/rx.c: Likewise.
        * config/sh/sh.c: Likewise.
        * config/sol2.h: Likewise.
        * config/sparc/sparc.c: Likewise.
        * config/spu/spu.c: Likewise.
        * config/stormy16/stormy16.c: Likewise.
        * config/v850/v850.c: Likewise.

2011-03-21  Chung-Lin Tang  <cltang@codesourcery.com>

        * simplify-rtx.c (simplify_binary_operation_1): Handle
        (xor (and A B) C) case when B and C are both constants.

2011-03-21  Mingjie Xing  <mingjie.xing@gmail.com>

        * tree-dfa.c (add_referenced_var): Fix typo in comment.

2011-03-20  Eric Botcazou  <ebotcazou@adacore.com>

        PR bootstrap/48168
        * config/sparc/sparc.c (sparc_delegitimize_address): Add new pattern.

2011-03-20  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/48156
        * df-core.c (df_get_bb_dirty): Use df_lr if df_live is NULL,
        assume df and df_lr are not NULL.

2011-03-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

        PR debug/48023
        * config/arm/arm.c (create_fix_barrier): Do not emit a minipool
        between a call and its CALL_ARG_LOCATION note.

2011-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR debug/48178
        * config/sh/sh.c (find_barrier): Don't emit a constant pool
        between a call and its corresponding CALL_ARG_LOCATION note.

2011-03-19  Anatoly Sokolov  <aesok@post.ru>

        * cfgcleanup.c (mark_effect): Use bitmap_set_range/bitmap_clear_range
        instead of loop. Use HARD_REGISTER_NUM_P predicate.
        * haifa-sched.c (setup_ref_regs): Ditto.
        * caller-save.c (add_used_regs_1): Ditto.
        * dse.c (look_for_hardregs): Ditto.
        * df-problems.c (df_simulate_one_insn_forwards): Ditto.
        * sched-rgn.c (check_live_1): Ditto.

2011-03-18  Joseph Myers  <joseph@codesourcery.com>

        * c-decl.c (diagnose_mismatched_decls): Give an error for
        redefining a typedef with variably modified type.

2011-03-18  Joseph Myers  <joseph@codesourcery.com>

        * c-decl.c (grokfield): Don't allow typedefs for structures or
        unions with no tag by default.
        * doc/extend.texi (Unnamed Fields): Update.

2011-03-18  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
        Rewrite using indirect functions.
        (lwp_slwpcb): Ditto.
        * config/i386/sse.md (avx_vextractf128<mode>): Ditto.
        (avx_vinsertf128<mode>): Ditto.

2011-03-18  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.c (s390_delegitimize_address): Handle GOTOFF
        unspecs.

2011-03-18  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.c (s390_chunkify_start): Prevent literal pool
        splitting between a call and its corresponding CALL_ARG_LOCATION note.

2011-03-18  Maxim Kuvyrkov  <maxim@codesourcery.com>

        PR rtl-optimization/48170
        * gcse.c (hoist_code): Remove bogus asserts.

2011-03-18  Georg-Johann Lay  <avr@gjlay.de>

        * ira-color.c (assign_hard_reg): Honor LOCAL_REGNO in cost
        computation for prologue/epilogue.

2011-03-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * Makefile.in (check-consistency): Remove.

2011-03-18  Jakub Jelinek  <jakub@redhat.com>

        PR debug/48176
        * dwarf2out.c (dwarf2out_finish): Call output_aranges even when
        arange_table_in_use is 0, but either text_section_used or
        cold_text_section_used is true.  Don't call it if
        !info_section_emitted.

2011-03-18  Anatoly Sokolov  <aesok@post.ru>

        * config/avr/avr.h (RET_REGISTER, LIBCALL_VALUE,
        FUNCTION_VALUE_REGNO_P): Remove.
        * config/avr/avr-protos.h (avr_ret_register, avr_libcall_value):
        Remove.
        * config/avr/avr.c (avr_ret_register): Make static inline.
        (avr_function_value_regno_p): New function.
        (avr_libcall_value): Make static. Add 'func' argument.
        (avr_function_value): Make static. Rename 'func' argument to
        'fn_decl_or_type', forward it to avr_libcall_value. Call
        avr_ret_register function instead of RET_REGISTER macro.
        (TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P): Define.

2011-03-18  Jason Merrill  <jason@redhat.com>

        PR c++/23372
        * gimplify.c (gimplify_arg): Strip redundant TARGET_EXPR.

2011-03-18  Richard Guenther  <rguenther@suse.de>

        * doc/install.texi (--enable-gold): Remove.
        (--with-plugin-ld): Document.
        * doc/invoke.texi (-fuse-linker-plugin): Clarify.

2011-03-18  Andrew Pinski  <pinskia@gmail.com>

        PR middle-end/47790
        * expr.c (optimize_bitfield_assignment_op): Revamp to work
        again after expansion changes.

2011-03-18  Chung-Lin Tang  <cltang@codesourcery.com>

        * combine.c (try_combine): Do simplification only call of
        subst() on i2 even when i1 is present. Update comments.

2011-03-18  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_delegitimize_address): Handle UNSPEC_SYMOFF
        and UNSPEC_PCREL_SYMOFF.

2011-03-18  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.md: Use define_c_enum for the unspec constant
        definitions.

2011-03-18  Richard Henderson  <rth@redhat.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/48161
        * expr.c (expand_expr_addr_expr_1): Use simplify_gen_binary
        instead of gen_rtx_PLUS if EXPAND_SUM or EXPAND_INITIALIZER.

2011-03-17  H.J. Lu  <hongjiu.lu@intel.com>

        PR middle-end/47725
        * combine.c (cant_combine_insn_p): Don't check zero/sign
        extended hard registers.

2011-03-17  H.J. Lu  <hongjiu.lu@intel.com>

        PR middle-end/47725
        * combine.c (cant_combine_insn_p): Check zero/sign extended
        hard registers.

2011-03-17  Anatoly Sokolov  <aesok@post.ru>

        * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
        * config/v850/v850-protos.h (v850_output_addr_const_extra): Remove.
        * config/v850/v850.c (v850_output_addr_const_extra): Make static.
        Change return type to bool.
        (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.

2011-03-17  Jakub Jelinek  <jakub@redhat.com>

        PR debug/48163
        * var-tracking.c (prepare_call_arguments): If CALL target
        is a non-SYMBOL_REF CONSTANT_P, just add that into the list as
        pc instead of looking it up using cselib_lookup and use
        Pmode for it if x has VOIDmode.
        * dwarf2out.c (gen_subprogram_die): If also both first and
        second CONCAT arguments are VOIDmode, use mode of CONCAT itself.

        PR debug/48163
        * function.c (assign_parms): For data.passed_pointer parms
        use MEM of data.entry_parm instead of data.entry_parm itself
        as DECL_INCOMING_RTL.
        * dwarf2out.c (rtl_for_decl_location): Use DECL_INCOMING_RTL
        also when passed and declared mode is the same, DECL_RTL
        is a MEM with pseudo as address and DECL_INCOMING_RTL is
        a MEM too.

2011-03-16  Jeff Law  <law@redhat.com>

        PR rtl-optimization/37273
        * ira-costs.c (scan_one_insn): Detect constants living in memory and
        handle them like argument loads from stack slots.  Do not double
        count memory for memory constants and argument loads from stack slots.

2011-03-17  H.J. Lu  <hongjiu.lu@intel.com>

        PR debug/48160
        * var-tracking.c (prepare_call_arguments): Check SUBREG.

2011-03-17  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/48171
        * config/i386/i386.opt: Add Save to -mavx and -mfma.

2011-03-17  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/48153
        * dwarf2out.c (mem_loc_descriptor) <case ENTRY_VALUE>: Return NULL
        if dwarf_strict.
        (gen_subprogram_die): Don't add call_site DIEs if dwarf_strict.
        Clear call_arg_locations and call_arg_loc_last always.

        PR middle-end/48152
        * var-tracking.c (prepare_call_arguments): If argument needs to be
        passed by reference, adjust argtype and mode.

2011-03-17  Richard Guenther  <rguenther@suse.de>

        PR middle-end/48134
        * tree-ssa.c (insert_debug_temp_for_var_def): If we propagated
        a value make sure to fold the statement.

2011-03-17  Chung-Lin Tang  <cltang@codesourcery.com>

        PR target/43872
        * config/arm/arm.c (arm_get_frame_offsets): Adjust early
        return condition with !cfun->calls_alloca.

2011-03-17  Richard Guenther  <rguenther@suse.de>

        PR bootstrap/48148
        * lto-cgraph.c (input_overwrite_node): Clear the abstract
        origin for decls in other ltrans units.
        (input_varpool_node): Likewise.

2011-03-17  Richard Guenther  <rguenther@suse.de>

        PR middle-end/48165
        * tree-object-size.c (compute_object_offset): Properly return
        the offset operand of MEM_REFs as sizetype.

2011-03-17  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/48141
        * params.def (PARAM_MAX_DSE_ACTIVE_LOCAL_STORES): New.
        * dse.c: Include params.h.
        (active_local_stores_len): New variable.
        (add_wild_read, dse_step1): Clear it when setting active_local_stores
        to NULL.
        (record_store, check_mem_read_rtx): Decrease it when removing
        from the chain.
        (scan_insn): Likewise.  Increase it when adding to chain, if it
        reaches PARAM_MAX_DSE_ACTIVE_LOCAL_STORES limit, set to 1 and
        set active_local_stores to NULL before the addition.
        * Makefile.in (dse.o): Depend on $(PARAMS_H).

        PR rtl-optimization/48141
        * dse.c (record_store): If no positions are needed in an insn
        that cannot be deleted, at least unchain it from active_local_stores.

2011-03-16  Dodji Seketeli  <dodji@redhat.com>

        PR debug/47510
        * dwarf2out.c (strip_naming_typedef): Factorize out of ...
        (lookup_type_die_strip_naming_typedef): ... here.
        (get_context_die): Use it.
        (gen_typedef_die): Add a DW_AT_{,MIPS_}linkage_name attribute to
        the anonymous struct named by the naming typedef.

2011-03-16  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/48154
        * config/i386/i386.c (ix86_builtin_vectorized_function): Check
        TARGET_ROUND for BUILT_IN_{FLOOR,CEIL,TRUNC,RINT}{,F} builtins.

2011-03-16  Jeff Law  <law@redhat.com>

        * tree-vrp.c (identify_jump_threads): Slightly simplify type
        check for operands of conditional.  Allow type to be a pointer.

2011-03-16  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/48149
        * fold-const.c (fold_binary_loc): Fold
        COMPLEX_EXPR <REALPART_EXPR <x>, IMAGPART_EXPR <x>>.

2011-03-16  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/26134
        * tree-ssa.c (maybe_rewrite_mem_ref_base): Handle rewriting
        complex part accesses to REALPART_EXPR and IMAGPART_EXPR.
        (non_rewritable_mem_ref_base): Handle complex type component
        accesses, constrain offsets for vector and complex extracts
        more properly.

2011-03-16  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/48146
        * tree-ssa-sink.c (sink_code_in_bb): Manually update virtual
        operands avoiding the need for renaming.

2011-03-16  Richard Guenther  <rguenther@suse.de>

        * gimple-fold.c (maybe_fold_reference): Open-code relevant
        constant folding.  Move MEM_REF canonicalization first.
        Rely on fold_const_aggregate_ref for initializer folding.
        * tree-ssa-ccp.c (ccp_fold): Handle constant vector extracts.

2011-03-16  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/48136
        * fold-const.c (fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Make sure
        arg0/arg1 or their arguments are always fold converted to matching
        types.

        * var-tracking.c (prepare_call_arguments): Add ATTRIBUTE_UNUSED
        to nargs.

2011-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR lto/46944
        * configure.ac (gcc_cv_gld_major_version, gcc_cv_gld_minor):
        Handle in-tree gold.
        (ld_vers): Extract binutils version for gold.
        (gcc_cv_ld_hidden): Handle gold here.
        (gcc_cv_lto_plugin): Determine level of linker plugin support.
        * configure: Regenerate.
        * config.in: Regenerate.
        * gcc.c: Only use LTO plugin if HAVE_LTO_PLUGIN > 0, reject
        -fuse-linker-plugin otherwise.
        (LINK_PLUGIN_SPEC): Define.  Extract from LINK_COMMAND_SPEC.
        (LINK_COMMAND_SPEC): Use it.
        (main): Only look for LTOPLUGINSONAME if HAVE_LTO_PLUGIN > 0.

2011-03-16  Jakub Jelinek  <jakub@redhat.com>

        * emit-rtl.c (try_split): Don't call copy_call_info debug hook.
        * calls.c: Remove debug.h include.
        (emit_call_1): Don't call virtual_call_token debug hook.
        * dwarf2out.c (debug_dcall_section, debug_vcall_section,
        dcall_entry, vcall_entry, dcall_table, vcall_table, vcall_insn,
        vcall_insn_table, DEBUG_DCALL_SECTION, DEBUG_VCALL_SECTION,
        size_of_dcall_table, output_dcall_table, size_of_vcall_table,
        output_vcall_table, dwarf2out_direct_call, vcall_insn_table_hash,
        vcall_insn_table_eq, store_vcall_insn, lookup_vcall_insn,
        dwarf2out_virtual_call_token, dwarf2out_copy_call_info,
        dwarf2out_virtual_call): Remove.
        (dwarf2_debug_hooks): Remove direct_call, virtual_call_token,
        copy_call_info and virtual_call hooks.
        (dwarf2out_init): Don't initialize vcall_insn_table,
        debug_dcall_section and debug_vcall_section.
        (prune_unused_types): Don't mark nodes from dcall_table.
        (dwarf2out_finish): Don't output dcall or vcall tables.
        * final.c (final_scan_insn): Don't call direct_call or
        virtual_call debug hooks.
        * debug.h (struct gcc_debug_hooks): Remove direct_call,
        virtual_call_token, copy_call_info and virtual_call hooks.
        (debug_nothing_uid): Remove prototype.
        * sdbout.c (sdb_debug_hooks): Remove direct_call, virtual_call_token,
        copy_call_info and virtual_call hooks.
        * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
        * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Likewise.
        * debug.c (do_nothing_debug_hooks): Likewise.
        (debug_nothing_uid): Remove.
        * doc/invoke.texi (-fenable-icf-debug): Remove.
        * common.opt (-fenable-icf-debug): Likewise.

        * calls.c (emit_call_1): Set MEM_EXPR on call's MEM.
        * var-tracking.c (prepare_call_arguments): Use MEM_EXPR on
        call's MEM.  Handle functions returning aggregate through a hidden
        first pointer.  For virtual calls add clobbered pc to call arguments
        chain.
        * dwarf2out.c (gen_subprogram_die): Emit
        DW_AT_GNU_call_site_target_clobbered if DW_AT_GNU_call_site_target
        can't be emitted.

        PR debug/45882
        * rtl.def (ENTRY_VALUE): Change format from "e" to "0".
        * rtl.h (ENTRY_VALUE_EXP): Define.
        * rtl.c (rtx_equal_p_cb, rtx_equal_p): Handle ENTRY_VALUE.
        * cselib.c (rtx_equal_for_cselib_p, cselib_hash_rtx): Likewise.
        * print-rtl.c (print_rtx): Likewise.
        * gengtype.c (adjust_field_rtx_def): Likewise.
        * var-tracking.c (vt_add_function_parameter): Adjust
        gen_rtx_ENTRY_VALUE uses, use ENTRY_VALUE_EXP macro.
        * dwarf2out.c (mem_loc_descriptor): Use ENTRY_VALUE_EXP macro.
        * cfgexpand.c (expand_debug_expr): If a SSA_NAME without
        partition is a default definition of a PARM_DECL, use ENTRY_VALUE
        of its DECL_INCOMING_RTL if possible, or its DECL_RTL if set.

        * final.c (final_scan_insn): Handle NOTE_INSN_CALL_ARG_LOCATION.
        Call var_location debug hook even on CALL_INSNs.
        (rest_of_clean_state): Don't print NOTE_INSN_CALL_ARG_LOCATION.
        * rtl.def (ENTRY_VALUE): New.
        * dwarf2out.c: Include cfglayout.h.
        (dwarf_stack_op_name, size_of_loc_descr, output_loc_operands,
        output_loc_operands_raw): Handle DW_OP_GNU_entry_value.
        (struct call_arg_loc_node): New type.
        (call_arg_locations, call_arg_loc_last, block_map, call_site_count,
        tail_call_site_count): New variables.
        (dwarf_tag_name): Handle DW_TAG_GNU_call_site and
        DW_TAG_GNU_call_site_parameter.
        (dwarf_attr_name): Handle DW_AT_GNU_call_site_value,
        DW_AT_GNU_call_site_data_value, DW_AT_GNU_call_site_target,
        DW_AT_GNU_call_site_target_clobbered, DW_AT_GNU_tail_call,
        DW_AT_GNU_all_tail_call_sites, DW_AT_GNU_all_call_sites
        and DW_AT_GNU_all_source_call_sites.
        (mem_loc_descriptor): Handle ENTRY_VALUE.
        (add_src_coords_attributes): Don't add enything if
        DECL_SOURCE_LOCATION is UNKNOWN_LOCATION.
        (dwarf2out_abstract_function): Save and clear call_arg_location,
        call_site_count and tail_call_site_count around dwarf2out_decl call.
        (gen_call_site_die): New function.
        (gen_subprogram_die): Emit DW_TAG_GNU_call_site DIEs for call sites.
        (gen_lexical_block_die, gen_inlined_subroutine_die): Update block_map.
        (dwarf2out_function_decl): Clear call_arg_locations,
        call_arg_loc_last, set call_site_count and tail_call_site_count
        to -1 and free block_map.
        (dwarf2out_var_location): Handle NOTE_INSN_CALL_ARG_LOCATION and
        CALL_INSNs.  Add NOTE_DURING_CALL_P var location notes even when not
        followed by any real instructions.
        (dwarf2out_begin_function): Set call_site_count and
        tail_call_site_count to 0.
        (resolve_addr): If DW_AT_abstract_origin of DW_TAG_GNU_call_site
        is dw_val_class_addr, attempt to look it up again, for DECL_EXTERNAL
        attempt to force a DIE for it and worst case remove the attribute.
        (resolve_one_addr): For TREE_CONSTANT_POOL_ADDRESS_P SYMBOL_REFs
        check TREE_ASM_WRITTEN of DECL_INITIAL of the decl instead of
        the decl itself.
        * var-tracking.c: Include tm_p.h.
        (vt_stack_adjustments): For calls call note_register_arguments.
        (argument_reg_set): New variable.
        (add_stores): For MO_VAL_SET of non-tracked regs from argument_reg_set
        ensure the VALUE is resolved.
        (call_arguments): New variable.
        (prepare_call_arguments): New function.
        (add_with_sets): For MO_CALL set u.loc from call_arguments and clear it.
        (struct expand_loc_callback_data): Add ignore_cur_loc field.
        (vt_expand_loc_callback): If ignore_cur_loc, don't look at cur_loc and
        always use the best expression.
        (vt_expand_loc): Add ignore_cur_loc argument.
        (vt_expand_loc_dummy): Clear ignore_cur_loc field.
        (emit_note_insn_var_location): Adjust vt_expand_loc callers.
        (emit_notes_in_bb) <case MO_CALL>: Add NOTE_INSN_CALL_ARG_LOCATION
        note for all calls.
        (vt_add_function_parameter): Use cselib_lookup_from_insn.
        If dv is a VALUE, enter into hash table also ENTRY_VALUE for the
        argument.  Don't call cselib_preserve_only_values and
        cselib_reset_table.
        (note_register_arguments): New function.
        (vt_initialize): Compute argument_reg_set.  Call
        vt_add_function_parameters before processing basic blocks instead of
        afterwards.  For calls call prepare_call_arguments before calling
        cselib_process_insn.
        * print-rtl.c (print_rtx): Handle NOTE_INSN_CALL_ARG_LOCATION.
        * Makefile.in (dwarf2out.o): Depend on $(CFGLAYOUT_H).
        (var-tracking.o): Depend on $(TM_P_H).
        * cfglayout.h (insn_scope): New prototype.
        * gengtype.c (adjust_field_rtx_def): Handle NOTE_INSN_CALL_ARG_LOCATION.
        * cfglayout.c (insn_scope): No longer static.
        * insn-notes.def (CALL_ARG_LOCATION): New.
        * calls.c (expand_call, emit_library_call_value_1): Put USEs for
        MEM arguments into CALL_INSN_FUNCTION_USAGE unconditionally.
        * integrate.c (set_block_origin_self, set_block_abstract_flags): Do
        nothing for DECL_EXTERNAL BLOCK_VARS.

2011-03-16  Alan Modra  <amodra@gmail.com>

        PR target/45844
        * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
        create invalid offset address for vsx splat insn.
        * config/rs6000/predicates.md (splat_input_operand): New.
        * config/rs6000/vsx.md (vsx_splat_*): Use it.

2011-03-15  Xinliang David Li  <davidxl@google.com>

        PR c/47837
        * tree-ssa-uninit.c (pred_chain_length_cmp): New function.
        (normalize_preds): New function.
        (is_use_properly_guarded): Normalize def predicates.

2011-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

        PR target/46788
        * config/arm/arm.md (arm_movtas_ze): Use 'L' instead of 'c'
        in the output template.

2011-03-15  Richard Guenther  <rguenther@suse.de>

        PR middle-end/47650
        * tree-pretty-print.c (dump_function_declaration): Properly
        dump unprototyped and varargs function types.

2011-03-15  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/13954
        * tree-ssa-sccvn.c (vn_reference_lookup_3): Look through memcpy
        and friends.

2011-03-15  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/48037
        * tree-ssa.c (maybe_rewrite_mem_ref_base): Rewrite vector
        selects into BIT_FIELD_REFs.
        (non_rewritable_mem_ref_base): Check if a MEM_REF is a
        vector select.

2011-03-15  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/48129
        * builtins.c (fold_builtin_snprintf): Convert to type of
        built_in_decls[BUILT_IN_SNPRINTF] retval instead of
        implicit_built_in_decls[BUILT_IN_SNPRINTF] retval.

2011-03-15  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/41490
        * tree-ssa-dce.c (propagate_necessity): Handle returns without
        value but with VUSE.
        * tree-ssa-operands.c (parse_ssa_operands): Add a VUSE on all
        return statements.
        * tree-ssa-sink.c (statement_sink_location): Fix store sinking.
        * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Handle virtual PHIs.
        * tree-tailcall.c (find_tail_calls): Ignore returns.

2011-03-15  Richard Guenther  <rguenther@suse.de>

        PR middle-end/48031
        * fold-const.c (fold_indirect_ref_1): Do not create new variable-sized
        or variable-indexed array accesses when in gimple form.

2011-03-15  Richard Guenther  <rguenther@suse.de>

        * config/i386/i386.c (ix86_emit_swdivsf): Implement more efficiently.

2011-03-15  Alan Modra  <amodra@gmail.com>

        PR target/48032
        * config/rs6000/rs6000.c (offsettable_ok_by_alignment): Do not
        presume symbol_refs without a symbol_ref_decl are suitably
        aligned, nor other trees we may see here.  Handle anchor symbols.
        (legitimate_constant_pool_address_p): Comment.  Add mode param.
        Check cmodel=medium addresses.  Adjust all calls.
        (rs6000_emit_move): Don't call offsettable_ok_by_alignment on
        creating cmodel=medium optimized access to locals.
        * config/rs6000/constraints.md (R): Pass QImode to
        legitimate_constant_pool_address_p.
        * config/rs6000/predicates.md (input_operand): Pass mode to
        legitimate_constant_pool_address_p.
        * config/rs6000/rs6000-protos.h (legitimate_constant_pool_address_p):
        Update prototype.

2011-03-14  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/48053
        * config/rs6000/rs6000.md (movdi split for 32-bit): Don't split up
        64-bit constants being loaded into registers other than GPRs such
        as loading 0 into a VSX register.

2011-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/sol2.c (solaris_assemble_visibility): Remove obsolete URLs.

2011-03-14  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/47917
        * builtins.c (fold_builtin_snprintf): New function.
        (fold_builtin_3): Call it for BUILT_IN_SNPRINTF.
        (fold_builtin_4): Likewise.

        PR middle-end/38878
        * fold-const.c (fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Add
        STRIP_NOPS on arg0 and arg1.  When optimizing X +- C == X
        and C - X == X also strip nops from +/-/p+ operand.
        When optimizing -X == C, fold C to arg0's type.

        PR debug/47946
        * dwarf2out.c (add_bit_offset_attribute): If bit_offset is negative,
        emit it as add_AT_int instead of add_AT_unsigned.

2011-03-14  Tom Tromey  <tromey@redhat.com>

        * unwind-dw2.c: Include sys/sdt.h if it exists.
        (_Unwind_DebugHook): Use STAP_PROBE2.
        * config.in, configure: Rebuild.
        * configure.ac: Check for sys/sdt.h.

2011-03-14  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (ROUND_FLOOR): New constant.
        (ROUND_CEIL): Ditto.
        (ROUND_TRUNC): Ditto.
        (ROUND_MXCSR): Ditto.
        (ROUND_NO_EXC): Ditto.
        (rint<mode>2): Use new defines instead of numerical constants.
        (floor<mode>2): Ditto.
        (ceil<mode>2): Ditto.
        (btrunc<mode>2): Ditto.
        * config/i386/i386-builtin-types.def: Define ROUND function type
        aliases.
        * config/i386/i386.c (enum ix86_builtins): Add
        IX86_BUILTIN_{FLOOR,CEIL,TRUNC,RINT}{PS,PD}{,256} defines.
        (struct builtin_description): Add
        __builtin_ia32_{floor,ceil,trunc,rint}{pd,ps}{,256} descriptions.
        (ix86_expand_sse_round): New static function.
        (ix86_expand_args_builtin): Call ix86_expand_sse_round for ROUND
        function types.
        (ix86_builtin_vectorized_function): Handle
        BUILT_IN_{FLOOR,CEIL,TRUNC,RINT}{,F} builtins.

2011-03-14  Tom Tromey  <tromey@redhat.com>

        * c-parser.c (c_parser_asm_string_literal): Clear
        warn_overlength_strings.

2011-03-14  Tom Tromey  <tromey@redhat.com>

        * c-parser.c (disable_extension_diagnostics): Save
        warn_overlength_strings.
        (restore_extension_diagnostics): Restore warn_overlength_strings.

2011-03-14  Jakub Jelinek  <jakub@redhat.com>

        * BASE-VER: Change to 4.7.0.

2011-03-14  Richard Guenther  <rguenther@suse.de>

        PR middle-end/48098
        * tree.c (build_vector_from_val): Adjust assert to requirements
        and reality.

2011-03-14  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/48102
        * graphite-cloog-compat.h (build_cloog_prog): Remove STATE parameter.

2011-03-14  Andreas Tobler  <andreast@fgznet.ch>

        * config/rs6000/freebsd.h (RELOCATABLE_NEEDS_FIXUP): Define in
        terms of target_flags_explicit. Adjust copyright year.

        * config.gcc: Add FreeBSD PowerPC soft-float libgcc bits.
        * config/rs6000/t-freebsd: New file. Add override for
        LIB2FUNCS_EXTRA.

2011-03-13  Chris Demetriou  <cgd@google.com>

        * doc/invoke.texi (-fdiagnostics-show-option): Replace with...
        (-fno-diagnostics-show-option): this, to reflect current default.
        (-Werror=): Update text about -fno-diagnostics-show-option.

2011-03-12  Peter Bergner  <bergner@vnet.ibm.com>

        PR target/48053
        * config/rs6000/predicates.md (easy_vector_constant_add_self,
        easy_vector_constant_msb): Do not handle V2DImode and V2DFmode.
        * config/rs6000/rs6000.c (const_vector_elt_as_int): Add assert that
        mode is not V2DImode or V2DFmode.
        (vspltis_constant): Do not handle V2DImode and V2DFmode.
        (rs6000_expand_vector_init): Replace copy_to_reg with copy_to_mode_reg.
        * config/rs6000/rs6000.md (movdi_internal32): Allow setting VSX
        registers to 0.
        (movdi_internal64): Likewise.

2011-03-12  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/47127
        * graphite-clast-to-gimple.c (build_cloog_prog): Removed state
        parameter.
        (set_cloog_options): Same.
        (scop_to_clast): Same.
        (print_clast_stmt): Do not call cloog_state_malloc and
        cloog_state_free.
        (print_generated_program): Same.
        (gloog): Same.
        * graphite-clast-to-gimple.h (cloog_state): Declared.
        (scop_to_clast): Adjust declaration.
        * graphite.c (cloog_state): Defined here.
        (graphite_initialize): Call cloog_state_malloc.
        (graphite_finalize): Call cloog_state_free.

2011-03-11  Jason Merrill  <jason@redhat.com>

        * attribs.c (lookup_attribute_spec): Take const_tree.
        * tree.h: Adjust.

2011-03-11  Joseph Myers  <joseph@codesourcery.com>

        * config/sparc/sparc.c (sparc_option_override): Use
        PROCESSOR_NIAGARA2 not PROCESSOR_NIAGARA for "niagara2".

2011-03-11  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/48067
        * tree-ssa-math-opts.c (convert_mult_to_fma): Verify the
        multiplication result will be only used once on the target
        stmt.

2011-03-11  Richard Guenther  <rguenther@suse.de>

        * doc/invoke.texi (max-inline-insns-single): Adjust default value.

2011-03-11  Richard Guenther  <rguenther@suse.de>

        PR lto/48073
        * tree.c (find_decls_types_r): Do not walk types only reachable
        from IDENTIFIER_NODEs.

2011-03-11  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/48044
        * ipa.c (cgraph_remove_unreachable_nodes): Enqueue
        all vnode->force_output nodes as needed.

2011-03-11  Jason Merrill  <jason@redhat.com>

        PR c++/48069
        * tree.c (type_hash_eq): Use COMPLETE_TYPE_P, not
        COMPLETE_OR_UNBOUND_ARRAY_TYPE_P.

2011-03-11  Martin Jambor  <mjambor@suse.cz>

        * cgraphunit.c (verify_cgraph_node): Call cgraph_get_node instead of
        cgraph_node.

2011-03-11  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/48063
        * ipa-inline.c (cgraph_decide_inlining): Don't try to
        inline functions called once if !tree_can_inline_p (node->callers).

2011-03-11  Chen Liqin  <liqin.gcc@gmail.com>

        * config.gcc (score-*-elf): Add extra_parts .., update tmake_file and
        extra_objs.
        * config/score/score3.c: Delete.
        * config/score/score3.h: Delete.
        * config/score/mul-div.S: Delete.
        * config/score/sfp-machine.h: Add new file.
        * config/score/constraints.md: Add new file.
        * config/score/t-score-softfp: Add new file.
        * config/score/t-score-elf: Remove score3.o, do not generate multilib.
        * config/score/score7.c (score7_const_ok_for_letter_p): Delete.
        (score7_extra_constraint): Delete.
        (score7_option_override): Remove unused code.
        * config/score/score.c: Remove score3 and score5 define and code.
        * config/score/score.h: Remove score3 and score5 define and code.
        * config/score/score.md: Remove score3 template and unusual insn.
        * config/score/score.opt: Remove score3 and score5 options.

2011-03-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * config/pa/pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Define _REENTRANT
        when _HPUX_SOURCE is defined.
        (LIB_SPEC): Use -lc instead of -lc_r when -threads is specified.

2011-03-10  Jason Merrill  <jason@redhat.com>

        PR c++/48029
        * stor-layout.c (layout_type): Don't set structural equality
        on arrays of incomplete type.
        * tree.c (type_hash_eq): Handle comparing them properly.

2011-03-10  Jakub Jelinek  <jakub@redhat.com>

        PR debug/48043
        * config/s390/s390.c (s390_delegitimize_address): Make sure the
        result mode matches original rtl mode.

2011-03-10  Nick Clifton  <nickc@redhat.com>

        * config/rx/rx.md (bitset_in_memory, bitclr_in_memory: Fix timings.
        (andsi3, andsi3_flags): Fix timings for three operand alternative.

2011-03-09  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/47866
        * expr.c (store_field): If MEM_SCALAR_P (target), don't use
        MEM_SET_IN_STRUCT_P (to_rtx, 1), just set MEM_IN_STRUCT_P (to_rtx)
        if target wasn't scalar.
        * function.c (assign_stack_temp_for_type): Assert that neither
        MEM_SCALAR_P nor MEM_IN_STRUCT_P is set previously, set either
        MEM_IN_STRUCT_P or MEM_SCALAR_P instead of using MEM_SET_IN_STRUCT_P
        macro.
        * rtl.h (MEM_SET_IN_STRUCT_P): Removed.

2011-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390-protos.h (s390_label_align): New prototype.
        * config/s390/s390.c (s390_label_align): New function.
        * config/s390/s390.h (LABEL_ALIGN): New target macro definition.

2011-03-08  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/47755
        * config/rs6000/rs6000.c (easy_altivec_constant): Correctly handle
        V2DI/V2DF constants.  Only all 0's or all 1's are easy.
        (output_vec_const_move): Ditto.

2011-03-08  Anatoly Sokolov  <aesok@post.ru>

        * config/mips/mips.h (PREFERRED_RELOAD_CLASS): Remove macro.
        * config/mips/mips-protos.h (mips_preferred_reload_class): Remove.
        * config/mips/mips.c (mips_preferred_reload_class): Make static.
        Change 'rclass' argument and result type to reg_class_t.
        (TARGET_PREFERRED_RELOAD_CLASS): Define.

2011-03-08  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/avr.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
        * config/avr/avr.c (TARGET_REGISTER_MOVE_COST)
        (TARGET_MEMORY_MOVE_COST): Define.
        (avr_register_move_cost, avr_memory_move_cost): New Functions.

2011-03-08  Jakub Jelinek  <jakub@redhat.com>

        PR debug/47881
        * ira.c (ira): Call df_analyze again if delete_trivially_dead_insns
        removed anything.

        PR tree-optimization/48022
        * fold-const.c (fold_comparison): Don't call fold_overflow_warning
        for EQ/NE_EXPR.

2011-03-07  Jakub Jelinek  <jakub@redhat.com>

        PR debug/47991
        * var-tracking.c (find_use_val): Return NULL for
        cui->sets && cui->store_p BLKmode MEMs.

2011-03-07  Anatoly Sokolov  <aesok@post.ru>

        * config/stormy16/stormy16.h (PRINT_OPERAND, PRINT_OPERAND_ADDRESS):
        Remove.
        * config/stormy16/stormy16-protos.h (xstormy16_print_operand,
        xstormy16_print_operand_address): Remove.
        * config/stormy16/stormy16.c (xstormy16_print_operand,
        xstormy16_print_operand_address): Make static.
        (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS): Define.

2011-03-07  Pat Haugen  <pthaugen@us.ibm.com>

        PR target/47862
        * config/rs6000/rs6000.h (HARD_REGNO_CALLER_SAVE_MODE): Define.
        * config/rs6000/e500.h (HARD_REGNO_CALLER_SAVE_MODE): Undefine
        before definition.

2011-03-07  Zdenek Dvorak  <ook@ucw.cz>

        PR bootstrap/48000
        * cfgloopmanip.c (fix_bb_placements): Return immediately
        if FROM is BASE_LOOP's header.

2011-03-07  Paul Wögerer  <paul_woegerer@mentor.com>

        * gimplify.c (gimplify_function_tree): Fix building calls
        to __builtin_return_address.

2011-03-07  Alan Modra  <amodra@gmail.com>

        * config/rs6000/linux.h (TARGET_ASM_FILE_END): Don't define.
        * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Don't define.
        * config/rs6000/sysv4.h (TARGET_ASM_FILE_END): Define.
        * config/rs6000/rs6000-protos.h (init_cumulative_args): Add fndecl and
        return_mode args.
        * config/rs6000/rs6000.h (CUMULATIVE_ARGS): Add "escapes".
        (INIT_CUMULATIVE_ARGS): Pass FNDECL, VOIDmode.
        (INIT_CUMULATIVE_INCOMING_ARGS): Pass current_function_decl, VOIDmode.
        (INIT_CUMULATIVE_LIBCALL_ARGS): Pass NULL_TREE, MODE.
        * config/rs6000/rs6000.c
        (rs6000_elf_end_indicate_exec_stack): Rename to..
        (rs6000_elf_file_end): ..this.  Only call file_end_indicate_exec_stack
        for POWERPC_LINUX.  Move code emitting .gnu_attribute to here, from..
        (rs6000_file_start): ..here.
        (rs6000_passes_float, rs6000_passes_vector, rs6000_returns_struct): New
        file scope variables.
        (call_ABI_of_interest): New function.
        (init_cumulative_args): Set above vars when function return value
        is a float, vector, or small struct.
        (rs6000_function_arg_advance_1): Likewise for function args.
        (rs6000_va_start): Set rs6000_passes_float if variable arg function
        references float args.

2011-03-07  Mingjie Xing  <mingjie.xing@gmail.com>

        * doc/cfg.texi: Remove "See" before @ref.
        * doc/invoke.texi: Likewise.

2011-03-05  Jason Merrill  <jason@redhat.com>

        * doc/invoke.texi (C++ Dialect Options): Document ABI v5.

2011-03-05  Anthony Green  <green@moxielogic.com>

        * config.gcc (moxie-*-elf): Add newlib-stdint.h to tmfile.

2011-03-05  Zdenek Dvorak  <ook@ucw.cz>

        PR rtl-optimization/47899
        * cfgloopmanip.c (fix_bb_placements): Fix first argument
        to flow_loop_nested_p when moving the loop upward.

2011-03-05  Richard Earnshaw  <rearnsha@arm.com>

        PR target/47719
        * arm.md (movhi_insn_arch4):  Accept any immediate constant.

2011-03-05  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/47967
        * ipa-cp.c (build_const_val): Return NULL instead of creating
        VIEW_CONVERT_EXPR for mismatching sizes.
        (ipcp_create_replace_map): Return NULL if build_const_val failed.
        (ipcp_insert_stage): If ipcp_create_replace_map returns NULL,
        give up on versioning.

2011-03-05  Alan Modra  <amodra@gmail.com>

        PR target/47986
        * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
        full cmodel medium/large lo_sum + high addresses.

2011-03-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.c (s390_decompose_address): Reject non-literal
        pool references in UNSPEC_LTREL_OFFSET.

2011-03-04  Jan Hubicka  <jh@suse.cz>

        PR lto/47497
        * lto-symtab.c (lto_cgraph_replace_node): Do not set thunk.alias.
        (lto_symtab_merge_cgraph_nodes_1): Update thunk.alias pointers here.
        * cgraph.h (cgraph_same_body_alias, cgraph_add_thunk):
        Add node pointers.
        * cgraph.c (cgraph_same_body_alias_1, cgraph_same_body_alias,
        cgraph_add_thunk): Add node pointers.
        * lto-cgraph.c (lto_output_node): Verify that thunks&aliases are
        associated to right node.
        (input_node): Update use of cgraph_same_body_alias
        and cgraph_add_thunk.

2011-03-04  Changpeng Fang  <changpeng.fang@amd.com>

        * config/i386/i386.opt (mprefer-avx128): New flag.
        * config/i386/i386.c (ix86_preferred_simd_mode): Prefer 128-bit AVX
        modes when the flag -mprefer-avx128 is on.

2011-03-04  Richard Sandiford  <richard.sandiford@linaro.org>

        * dwarf2out.c (compare_loc_operands): Fix address handling.

2011-03-04  Alan Modra  <amodra@gmail.com>

        * tree.h (TREE_ADDRESSABLE): Update FUNCTION_DECL comment.

2011-03-04  Richard Guenther  <rguenther@suse.de>

        PR middle-end/47968
        * expmed.c (extract_bit_field_1): Prefer vector modes that
        vec_extract patterns can handle.

2011-03-04  Richard Guenther  <rguenther@suse.de>

        PR middle-end/47975
        * optabs.c (optab_for_tree_code): Do not use VECTOR_MODE_P.

2011-03-04  Richard Henderson  <rth@redhat.com>

        * explow.c (emit_stack_save): Remove 'after' parameter.
        (emit_stack_restore): Likewise.
        * expr.h: Update to match.
        * builtins.c, calls.c, stmt.c: Likewise.
        * config/alpha/alpha.md, config/avr/avr.md: Likewise.
        * config/mips/mips.md, config/pa/pa.md, config/vax/vax.md: Likewise.
        * function.c (expand_function_end): Insert the emit_stack_save
        sequence before parm_birth_insn instead of after.

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

        * config/i386/sse.md (*avx_pmaddubsw128): Fix mode of VEC_SELECT RTX.
        (ssse3_pmaddubsw128): Ditto.
        (ssse3_pmaddubsw): Ditto.

2011-03-03  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/t-hpux: Add $(srcdir)/unwind-c.c to LIB2ADDEH

2011-03-03  Jakub Jelinek  <jakub@redhat.com>

        PR c/47963
        * gimplify.c (omp_add_variable): Only call omp_notice_variable
        on TYPE_SIZE_UNIT if it is a DECL.

        PR debug/47283
        * cfgexpand.c (expand_debug_expr) <case MEM_REF>: If MEM_REF
        first operand is not is_gimple_mem_ref_addr, try to fold it.
        If the operand still isn't is_gimple_mem_ref_addr, clear
        MEM_EXPR on op0.

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

        PR middle-end/47283
        * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Make code
        match comment.
        (refs_may_alias_p_1): For release branches return true if
        we are confused by our input.

2011-03-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.c (s390_function_value): Rename to ...
        (s390_function_and_libcall_value): ... this.
        (s390_function_value): New function.
        (s390_libcall_value): New function.
        (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Define target hooks.
        * config/s390/s390.h (FUNCTION_VALUE, LIBCALL_VALUE): Remove
        target macro definitions.
        * config/s390/s390-protos.h (s390_function_value): Remove prototype.

2011-03-02  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/freebsd64.h (CC1_SPEC): Define.
        * config/i386/linux64.h (CC1_SPEC): Define.
        * config/i386/x86-64.h (CC1_SPEC): Don't define.

2011-03-02  Anatoly Sokolov  <aesok@post.ru>

        * config/stormy16/stormy16.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST):
        Remove.
        * config/stormy16/stormy16.c: Include reload.h.
        (xstormy16_memory_move_cost): New function.
        (TARGET_MEMORY_MOVE_COST): Define.

2011-03-02  Richard Sandiford  <richard.sandiford@linaro.org>

        PR rtl-optimization/47925
        * cse.c (count_reg_usage): Don't ignore the SET_DEST of instructions
        with side effects.  Remove the more-specific check for volatile asms.

2011-03-02  Alan Modra  <amodra@gmail.com>

        PR target/47935
        * config/rs6000/predicates.md (lwa_operand): Check cmodel medium
        toc relative addresses for valid offsets.

2011-03-01  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47890
        * tree-vect-loop.c (get_initial_def_for_induction): Set
        related stmt properly.

2011-03-01  Richard Guenther  <rguenther@suse.de>

        PR lto/47924
        * lto-streamer.c (lto_record_common_node): Also register
        the canonical type.

2011-03-01  Richard Guenther  <rguenther@suse.de>

        PR lto/46911
        * lto-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
        Do not stream DECL_ABSTRACT_ORIGIN.
        (lto_input_ts_block_tree_pointers): Nor BLOCK_SOURCE_LOCATION,
        BLOCK_NONLOCALIZED_VARS or BLOCK_ABSTRACT_ORIGIN.
        * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
        Do not stream DECL_ABSTRACT_ORIGIN.
        (lto_output_ts_block_tree_pointers): Nor BLOCK_SOURCE_LOCATION,
        BLOCK_NONLOCALIZED_VARS or BLOCK_ABSTRACT_ORIGIN.

2011-02-28  Anatoly Sokolov  <aesok@post.ru>

        * config/stormy16/stormy16.h (FUNCTION_VALUE, LIBCALL_VALUE,
        FUNCTION_VALUE_REGNO_P): Remove.
        * config/stormy16/stormy16-protos.h (xstormy16_function_value): Remove.
        * config/stormy16/stormy16.c (xstormy16_function_value): Make static.
        Add 'outgoing' argument.
        (xstormy16_libcall_value, xstormy16_function_value_regno_p): New
        function.
        (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
        TARGET_FUNCTION_VALUE_REGNO_P): Define.

2011-02-28  Kai Tietz  <kai.tietz@onevision.com>

        PR debug/28047
        * dwarf2out.c (file_table_eq): Use filename_cmp instead of strcmp.
        (lookup_filename): Likewise.
        * final.c (remap_debug_filename): Use filename_ncmp instead of strncmp.

2011-02-28  Bernd Schmidt  <bernds@codesourcery.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/47893
        * rtl.h (ASLK_REDUCE_ALIGN, ASLK_RECORD_PAD): Define.
        (assign_stack_local_1): Change last argument type to int.
        * function.c (assign_stack_local_1): Replace reduce_alignment_ok
        argument with kind.  If bit ASLK_RECORD_PAD is not set in it,
        don't record padding space into frame_space_list nor use those areas.
        (assign_stack_local): Adjust caller.
        (assign_stack_temp_for_type): Call assign_stack_local_1 instead
        of assign_stack_local, pass 0 as last argument.
        * caller-save.c (setup_save_areas): Adjust assign_stack_local_1
        callers.

2011-02-28  Jakub Jelinek  <jakub@redhat.com>

        PR debug/47283
        * cfgexpand.c (convert_debug_memory_address): Add AS parameter.
        Use target address_mode and pointer_mode hooks instead of hardcoded
        Pmode and ptr_mode.  Handle some simple cases of extending if
        POINTERS_EXTEND_UNSIGNED < 0.
        (expand_debug_expr) <case MEM_REF, INDIRECT_REF, TARGET_MEM_REF>:
        Call convert_debug_memory_address.
        (expand_debug_expr) <case ADDR_EXPR>: Pass as to
        convert_debug_memory_address.

        PR middle-end/46790
        * configure.ac (HAVE_LD_EH_GC_SECTIONS_BUG): New test.
        * configure: Regenerated.
        * config.in: Regenerated.
        * varasm.c (default_function_section): Return NULL
        if HAVE_LD_EH_GC_SECTIONS_BUG and decl has implicit section name.

2011-02-28  Martin Jambor  <mjambor@suse.cz>

        * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Fix
        the description to match the printed values.

2011-02-28  Richard Guenther  <rguenther@suse.de>

        * tree-inline.c (tree_function_versioning): Set BLOCK_SUPERCONTEXT
        of the copied scope tree.

2011-02-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/extend.texi (Function Attributes): Avoid deeply (and
        wrongly) nested tables.

2011-02-27  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/47903
        * real.c (real_arithmetic) <case PLUS_EXPR, MINUS_EXPR,
        MULT_EXPR, RDIV_EXPR>: Clear padding bits in *r first if
        r isn't op0 nor op1.

2011-02-23  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/avr.md: Remove magic comment for emacs.

2011-02-23  Georg-Johann Lay  <avr@gjlay.de>

        PR target/45261
        * config/avr/avr.c (avr_option_override): Use error on bad options.
        (avr_help): New function.
        (TARGET_HELP): Define.

2011-02-22  Georg-Johann Lay  <avr@gjlay.de>

        PR target/42240
        * config/avr/avr.c (avr_cannot_modify_jumps_p): New function.
        (TARGET_CANNOT_MODIFY_JUMPS_P): Define.

2011-02-26  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/invoke.texi (ARC Options): Use CPU instead of cpu.
        (ARM Options): Ditto.
        (i386 and x86-64 Options): Ditto.
        (RX Options): Ditto.
        (SPARC Options): Ditto.

2011-02-26  Tijl Coosemans  <tijl@coosemans.org>

        * config.gcc (i386-*-freebsd*): Make i486 the default arch on
        FreeBSD 6 and later.  Generally use cpu generic.

2011-02-25  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/cpp.texi: Update copyright years.

2011-02-25  Sebastien Bourdeauducq  <sebastien@milkymist.org>

        PR target/46898
        * config/lm32/lm32.md (ashrsi3): Added needed variable.

2011-02-25  Jon Beniston  <jon@beniston.com>

        PR target/46898
        * config/lm32/lm32.h (INCOMING_RETURN_ADDR_RTX): New.
        * config/lm32/lm32.md (ashlsi3): Remove unused variable.
        * config/lm32/lm32.c (TARGET_EXCEPT_UNWIND_INFO): New.
        (lm32_block_move_inline): Add type cast to remove warning.
        (lm32_expand_prologue): Generate fp in a way compatible with dwarf2out.
        (gen_int_relational): Move declarations to start of function.

2011-02-25  Eric Botcazou  <ebotcazou@adacore.com>

        PR tree-optimization/45470
        * tree-vect-data-refs.c (vect_analyze_data_refs): Fail if a statement
        can throw internally only.
        * tree-vect-stmts.c (vectorizable_call): Likewise.

2011-02-24  Anatoly Sokolov  <aesok@post.ru>

        * config/stormy16/stormy16.h (PREFERRED_RELOAD_CLASS,
        PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
        * config/stormy16/stormy16-protos.h
        (xstormy16_preferred_reload_class): Remove.
        * config/stormy16/stormy16.c (xstormy16_preferred_reload_class): Make
        static. Change 'rclass' argument and return type to reg_class_t.
        (TARGET_PREFERRED_RELOAD_CLASS,
        TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.

2011-02-24  Richard Guenther  <rguenther@suse.de>

        * lto-streamer-in.c (input_bb): Do not find referenced vars
        in debug statements.

2011-02-23  Jason Merrill  <jason@redhat.com>

        * common.opt (fabi-version): Document v5 and v6.

2011-02-23  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47849
        * tree-if-conv.c (main_tree_if_conversion): Free postdom info.

2011-02-23  Jie Zhang  <jie@codesourcery.com>

        * opts-common.c (decode_cmdline_option): Print empty string
        argument as "" in decoded->orig_option_with_args_text.
        * gcc.c (execute): Print empty string argument as ""
        in the verbose output.
        (do_spec_1): Keep empty string argument.

2011-02-23  Nathan Froyd  <froydnj@codesourcery.com>

        * config.gcc: Declare score-* and crx-* obsolete.

2011-02-23  Jie Zhang  <jie@codesourcery.com>

        PR rtl-optimization/47763
        * web.c (web_main): Ignore naked clobber when replacing register.

2011-02-22  Anatoly Sokolov  <aesok@post.ru>

        * config/stormy16/stormy16.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P):
        Remove.

2011-02-22  Sebastian Pop  <sebastian.pop@amd.com>

        PR doc/47848
        * doc/invoke.texi: Do not mention -ftree-loop-if-convert-memory-writes.

2011-02-22  Mike Stump  <mikestump@comcast.net>

        * acinclude.m4 (gcc_cv_gas_vers): Add -arch ppc for probing darwin
        assembler.
        * configure: Regenerate.

2011-02-21  Chung-Lin Tang  <cltang@codesourcery.com>

        PR rtl-optimization/46002
        * ira-color.c (update_copy_costs): Change class intersection
        test to reg_class_contents[] test of 'hard_regno'.

2011-02-21  Joseph Myers  <joseph@codesourcery.com>

        * config/alpha/osf5.opt (mno-mips-tfile): Mark as Target rather
        than Driver option.
        * config/hpux11.opt (mt): Likewise.
        * config/microblaze/microblaze.opt (mxl-mode-xilkernel): Likewise.
        * config/rs6000/xilinx.opt (mno-clearbss, mppcperflib): Likewise.
        * config/vax/elf.opt (mno-asm-pic): Likewise.
        * config/vms/vms.opt (map, mvms-return-codes): Likewise.

2011-02-21  Mike Stump  <mikestump@comcast.net>

        PR target/47822
        * config/darwin-protos.h (darwin_init_cfstring_builtins): Return a
        tree so we can get save the type.
        * config/i386/darwin.h (SUBTARGET_INIT_BUILTINS): Reserve builtin slot
        for CFString instead of trying to use past the end of the builtins.
        * config/i386/i386.c (IX86_BUILTIN_CFSTRING): Likewise.
        * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_CFSTRING): Likewise.
        * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): Likewise.
        * config/darwin.c (DARWIN_BUILTIN_CFSTRINGMAKECONSTANTSTRING):
        Rename to darwin_builtin_cfstring.
        (darwin_init_cfstring_builtins): Return the built type.

2011-02-21  Uros Bizjak  <ubizjak@gmail.com>

        PR target/47840
        * config/i386/avxintrin.h (_mm256_insert_epi32): Use _mm_insert_epi32.
        (_mm256_insert_epi64): Use _mm_insert_epi64.

2011-02-21  Anatoly Sokolov  <aesok@post.ru>

        * config/stormy16/stormy16.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
        * config/stormy16/stormy16-protos.h
        (xstormy16_mode_dependent_address_p): Remove.
        * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
        Make static. Change return type to bool. Change argument type to
        const_rtx. Remove dead code.
        (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.

2011-02-21  Richard Guenther  <rguenther@suse.de>

        PR lto/47820
        * lto-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
        Do not stream DECL_INITIAL for TRANSLATION_UNIT_DECLs.
        (lto_input_ts_block_tree_pointers): Hook a BLOCK into the
        TUs context.
        * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
        Do not stream DECL_INITIAL for TRANSLATION_UNIT_DECLs.

2011-02-20  Richard Guenther  <rguenther@suse.de>

        PR lto/47822
        * tree.c (free_lang_data_in_decl): Clean builtins from
        the TU decl BLOCK_VARS.

2011-02-19  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/47620
        PR debug/47630
        * haifa-sched.c (fix_tick_ready): Skip tick computation
        for debug insns.

2011-02-19  Richard Guenther  <rguenther@suse.de>

        PR lto/47647
        * lto-streamer-in.c (lto_input_ts_decl_minimal_tree_pointers):
        Remove lazy BLOCK_VARS streaming.
        (lto_input_ts_block_tree_pointers): Likewise.
        * lto-streamer-out.c (lto_output_ts_block_tree_pointers): Likewise.

2011-02-19  Joseph Myers  <joseph@codesourcery.com>

        * config.gcc (i[34567]86-pc-msdosdjgpp*): Use i386/djgpp-stdint.h.

2011-02-19  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/biarch32.h, config/i386/mach.h,
        config/rs6000/aix.opt, config/sh/superh64.h: Remove.

2011-02-19  Jakub Jelinek  <jakub@redhat.com>

        PR target/47800
        * config/i386/i386.md (peephole2 for shift and plus): Use
        operands[1] original mode in the first insn.

2011-02-18  Mike Stump  <mikestump@comcast.net>

        * config/t-darwin (TM_H): Add dependency on darwin-sections.def.

2011-02-18  Jan Hubicka  <jh@suse.cz>

        PR middle-end/47788
        * ipa-inline.c (compute_inline_parameters): Set disregard_inline_limits
        to zero when the function is not inlinable at all.

2011-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * config.gcc (hppa[12]*-*-hpux11*): Set extra_parts.
        * config/pa/stublib.c (pthread_default_stacksize_np, pthread_mutex_lock,
        pthread_mutex_unlock, pthread_once): Reinstate pthread stubs.
        * config/pa/t-pa-hpux11: Add rules to build pthread stubs.
        * config/pa/t-pa64: Likewise.
        * config/pa/pa-hpux11.h (LINK_GCC_C_SEQUENCE_SPEC): Define.

2011-02-18  Jakub Jelinek  <jakub@redhat.com>

        PR driver/47787
        * gcc.c (default_compilers): Clear combinable field for "@cpp-output".

2011-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/47792
        * gthr-dce.h (__gthread_mutx_destroy): Fix typo in name.

2011-02-18  Anatoly Sokolov  <aesok@post.ru>

        * config/m32r/m32r.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
        RTX_OK_FOR_BASE_P, RTX_OK_FOR_OFFSET_P, LEGITIMATE_OFFSET_ADDRESS_P,
        LEGITIMATE_LO_SUM_ADDRESS_P, LOAD_POSTINC_P, STORE_PREINC_PREDEC_P,
        GO_IF_LEGITIMATE_ADDRESS): Remove macros.
        * config/m32r/m32r.c (TARGET_LEGITIMATE_ADDRESS_P): Define.
        (m32r_rtx_ok_for_base_p, m32r_rtx_ok_for_offset_p,
        m32r_legitimate_offset_addres_p, m32r_legitimate_lo_sum_addres_p,
        m32r_load_postinc_p, m32r_store_preinc_predec_p,
        m32r_legitimate_address_p): New functions.
        * config/m32r/constraints.md (constraint "S"): Don't use
        STORE_PREINC_PREDEC_P.
        (constraint "U"): Don't use LOAD_POSTINC_P.

2011-02-18  Chung-Lin Tang  <cltang@codesourcery.com>

        PR rtl-optimization/46178
        * ira.c (setup_hard_regno_class): Use ira_class_translate[] to
        compute ira_hard_regno_cover_class[].

2011-02-18  Richard Guenther  <rguenther@suse.de>

        PR lto/47798
        * lto-streamer.h (lto_global_var_decls): Declare.
        * lto-streamer-in.c (lto_register_var_decl_in_symtab): Register
        statics for global var processing.

2011-02-18  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47737
        * tree-ssa-loop-im.c (extract_true_false_args_from_phi): Fix
        edge dominance check.

2011-02-18  Jakub Jelinek  <jakub@redhat.com>

        PR debug/47780
        * cfgexpand.c (expand_debug_expr) <case SSA_NAME>: Call copy_rtx to
        avoid invalid rtx sharing.

2011-02-18  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/cpp.texi (Obsolete Features): Add background on the
        origin of assertions.

2011-02-17  Iain Sandoe  <iains@gcc.gnu.org>

        * config/darwin-c.c (darwin_cpp_builtins): Define __OBJC2__ for
        objc_abi == 2.
        * config/darwin.c (output_objc_section_asm_op): Added support for
        ABI v1 and v2.
        (is_objc_metadata): New.
        (darwin_objc2_section): New.
        (darwin_objc1_section): New.
        (machopic_select_section): Added support for ABI v1 and v2.
        (darwin_emit_objc_zeroed): New.
        (darwin_output_aligned_bss): Detect objc metadata and treat it
        appropriately.
        (darwin_asm_output_aligned_decl_common): Same.
        (darwin_asm_output_aligned_decl_local): Same.
        * config/darwin-sections.def: Updated for ABI v1 and v2.
        * config/darwin.h (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): When
        compiling Objective-C code for the NeXT runtime, default to using
        ABI version 0 for 32-bit, and version 2 for 64-bit.

2011-02-17  Joseph Myers  <joseph@codesourcery.com>

        * common.opt (optimize_fast): New Variable.
        * opts.c (default_options_optimization): Use opts->x_optimize_fast
        instead of local variable ofast.

2011-02-17  Nicola Pero  <nicola.pero@meta-innovation.com>

        * doc/invoke.texi (fobjc-abi-version): Documented.
        (fobjc-nilcheck): Documented.
        (fno-nil-receiver): Updated documentation to refer to the NeXT ABI
        version.

2011-02-17  Joseph Myers  <joseph@codesourcery.com>

        PR driver/47390
        * common.opt (export-dynamic): New Driver option.
        * gcc.c (LINK_COMMAND_SPEC): Add comment about %{e*}.

2011-02-17  Joseph Myers  <joseph@codesourcery.com>

        * config/rx/rx.h (LIB_SPEC): Match -msim not -msim*.

2011-02-17  Alexandre Oliva  <aoliva@redhat.com>
            Jan Hubicka  <jh@suse.cz>

        PR debug/47106
        PR debug/47402
        * cfgexpand.c (account_used_vars_for_block): Remove.
        (estimated_stack_frame_size): Use referenced vars.
        * tree-inline.c (remap_decl): Only mark VAR_DECLs as referenced
        that were referenced in the original function.  Test src_fn
        rather than cfun.  Drop redundant get_var_ann.
        (setup_one_parameter): Drop redundant get_var_ann.
        (declare_return_variable): Likewise.
        (copy_decl_for_dup_finish): Mark VAR_DECLs referenced in src_fn.
        (copy_arguments_for_versioning): Drop redundant get_var_ann.
        * ipa-inline.c (compute_inline_parameters): Do not compute
        disregard_inline_limits here.
        (compute_inlinable_for_current, pass_inlinable): New.
        (pass_inline_parameters): Require PROP_referenced_vars.
        * cgraphunit.c (cgraph_process_new_functions): Don't run
        compute_inline_parameters explicitly unless function is in SSA form.
        (cgraph_analyze_function): Set .disregard_inline_limits.
        * tree-sra.c (convert_callers): Compute inliner parameters
        only for functions already in SSA form.

2011-02-17  Joseph Myers  <joseph@codesourcery.com>

        * config/sparc/sparc.h (CPP_ENDIAN_SPEC): Don't handle
        -mlittle-endian-data.

2011-02-17  Joseph Myers  <joseph@codesourcery.com>

        * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): Match -mfpu and
        -mno-fpu, not -fpu and -no-fpu.
        * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): Likewise.
        * config/sparc/sparc.h (OPTION_DEFAULT_SPECS): Likewise.

2011-02-17  Uros Bizjak  <ubizjak@gmail.com>

        PR target/43653
        * config/i386/i386.c (ix86_secondary_reload): Handle SSE
        input reload with PLUS RTX.

2011-02-16  Joseph Myers  <joseph@codesourcery.com>

        * config/mips/mips.opt (mno-mdmx): Use Var(TARGET_MDMX, 0) instead
        of InverseVar(MDMX).

2011-02-16  Joseph Myers  <joseph@codesourcery.com>

        * config/sh/embed-elf.h (LIBGCC_SPEC): Match -m4-340 instead of
        --m4-340.

2011-02-16  Joseph Myers  <joseph@codesourcery.com>

        * config/mn10300/mn10300.opt (mno-crt0): New.

2011-02-16  Joseph Myers  <joseph@codesourcery.com>

        * config/m68k/uclinux.opt (static-libc): New Driver option.

2011-02-16  Joseph Myers  <joseph@codesourcery.com>

        * config/m32c/m32c.h (LIB_SPEC): Match -msim not -msim*.

2011-02-16  Joseph Myers  <joseph@codesourcery.com>

        * config/lm32/lm32.h (ASM_SPEC): Use %{muser-enabled} instead of
        %{muser-extend-enabled}.

2011-02-16  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47738
        * tree-ssa-loop.c (run_tree_predictive_commoning): Return
        the TODO from tree_predictive_commoning.

2011-02-15  Jeff Law  <law@redhat.com>

        Revert
        2011-01-25  Jeff Law  <law@redhat.com>

        PR rtl-optimization/37273
        * ira-costs.c (scan_one_insn): Detect constants living in memory and
        handle them like argument loads from stack slots.  Do not double
        count memory for memory constants and argument loads from stack slots.

2011-02-15  H.J. Lu  <hongjiu.lu@intel.com>

        PR middle-end/47725
        * combine.c (cant_combine_insn_p): Revert the last change.

2011-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/47755
        * config/rs6000/predicates.md (easy_vector_constant): Allow V2DI
        mode for vector constants.  Remove code that checks for TImode.

2011-02-15  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/47106
        PR debug/47402
        * cgraph.h (compute_inline_parameters): Return void.
        * ipa-inline.c (compute_inline_parameters): Adjust.

2011-02-15  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/47106
        PR debug/47402
        * tree-inline.h (estimated_stack_frame_size): Take cgraph node
        rather than decl.
        * cfgexpand.c (estimated_stack_frame_size): Likewise.
        * ipa-inline.c (compute_inline_parameters): Adjust.

2011-02-15  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/47106
        PR debug/47402
        * tree-flow.h (FOR_EACH_REFERENCED_VAR): Add FN argument.
        Adjust all users.  Pass FN to...
        * tree-flow-inline.h (first_referenced_var): ... this.  Add
        fn argument.
        * ipa-struct-reorg.c: Adjust.
        * tree-dfa.c: Adjust.
        * tree-into-ssa.c: Adjust.
        * tree-sra.c: Adjust.
        * tree-ssa-alias.c: Adjust.
        * tree-ssa-live.c: Adjust.
        * tree-ssa.c: Adjust.
        * tree-ssanames.c: Adjust.
        * tree-tailcall.c: Adjust.

2011-02-15  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/47106
        PR debug/47402
        * tree-flow.h (referenced_var_lookup): Add fn parameter.
        Adjust all callers.
        * tree-dfa.c (referenced_var_lookup): Use fn instead of cfun.
        * tree-flow-inline.h: Adjust.
        * gimple-pretty-print.c: Adjust.
        * tree-into-ssa.c: Adjust.
        * tree-ssa.c: Adjust.
        * cfgexpand.c: Adjust.

2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>

        * config/iq2000/i2000.h (REG_CLASS_FROM_LETTER): Delete.
        (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
        (EXTRA_CONSTRAINT): Delete.
        * config/iq2000/constraints.md: New file.
        * config/iq2000/iq2000.md: Include it.
        (define_insn ""): Delete.
        (movsi_internal2, movhi_internal2, movqi_internal2): Delete
        unsupported constraint letters from patterns.
        (call_value, call_value_internal1): Likewise.
        (call_value_multiple_internal1): Likewise.

2011-02-15  Nick Clifton  <nickc@redhat.com>

        * config/mn10300/mn10300.c: Include tm-constrs.h.
        (struct liw_data): New data structure describing an LIW candidate
        instruction.
        (extract_bundle): Use struct liw_data.  Allow small integer
        operands for some instructions.
        (check_liw_constraints): Use struct liw_data.  Remove swapped
        parameter.  Add comments describing the checks.  Fix bug when
        assigning the source of liw1 to the source of liw2.
        (liw_candidate): Delete.  Code moved into extract_bundle.
        (mn10300_bundle_liw): Use struct liw_data.  Check constraints
        before swapping.
        * config/mn10300/predicates.md (liw_operand): New predicate.
        Allows registers and small integer constants.
        * config/mn10300/constraints.md (O): New constraint.  Accetps
        integers in the range -8 to +7 inclusive.
        * config/mn10300/mn10300.md (movesi_internal): Add an alternative
        for moving a small integer into a register.  Give this alternative
        LIW attributes.
        (addsi3, subsi3, cmpsi, lshrsi3, ashrsi3): Likewise.
        (ashlsi3): Likewise, plus give LIW attributes to the alternatives
        using the J,K,L and M constraints,
        (liw): Remove SI mode on second operands to allow for HI and QI
        mode values.
        (cmp_liw, liw_cmp): Likewise.  Plus fix order of operands in the
        instruction.

2011-02-15  H.J. Lu  <hongjiu.lu@intel.com>

        PR middle-end/47725
        * combine.c (cant_combine_insn_p): Check zero/sign extended
        hard registers.

2011-02-15  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47743
        * tree-ssa-pre.c (phi_translate_1): If we didn't get a value-number
        for a non-type-compatible VN lookup bail out.

2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>

        * config/fr30/constraints.md: New file.
        * config/fr30/fr30.md: Include it.
        * config/fr30/fr30.h (REG_CLASS_FROM_LETTER): Delete.
        (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
        (EXTRA_CONSTRAINT): Delete.

2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>

        * config/frv/constraints.md: New file.
        * config/frv/predicates.md: Include it.
        * config/frv/frv.c (reg_class_from_letter): Delete.
        (frv_option_override): Don't initialize it.
        * config/frv/frv.h (REG_CLASS_FROM_LETTER): Delete.
        (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K): Delete.
        (CONST_OK_FOR_L, CONST_OK_FOR_M, CONST_OK_FOR_N): Delete.
        (CONST_OK_FOR_O, CONST_OK_FOR_P, CONST_OK_FOR_LETTER_P): Delete.
        (CONST_DOUBLE_OK_FOR_G, CONST_DOUBLE_OK_FOR_H): Delete.
        (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
        (EXTRA_CONSTRAINT_FOR_Q, EXTRA_CONSTRAINT_FOR_R): Delete.
        (EXTRA_CONSTRAINT_FOR_S, EXTRA_CONSTRAINT_FOR_T): Delete.
        (EXTRA_CONSTRAINT_FOR_U, EXTRA_CONSTRAINT): Delete.
        (EXTRA_MEMORY_CONSTRAINT, CONSTRAINT_LEN): Delete.
        (REG_CLASS_FROM_CONSTRAINT): Delete.

2011-02-15  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/47581
        * config/i386/i386.c (ix86_compute_frame_size): Don't align offset
        if frame size is 0 in a leaf function.

2011-02-15  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR pch/14940
        * config/alpha/host-osf.c: New file.
        * config/alpha/x-osf: New file.
        * config.host (alpha*-dec-osf*): Use it.

2011-02-14  Anatoly Sokolov  <aesok@post.ru>

        * config/rx/rx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
        * config/rx/rx-protos.h (rx_is_mode_dependent_addr): Remove.
        * config/xtensa/xtensa.c (rx_is_mode_dependent_addr): Rename to...
        (rx_mode_dependent_address_p): ...this. Make static. Change argument
        type to const_rtx.
        (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.

2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>

        * config/stormy16/constraints.md: New file.
        * config/stormy16/predicates.md (nonimmediate_nonstack_operand):
        Use satisfies_constraint_Q and satisfies_constraint_R.
        * config/stormy16/stomry16-protos.h (xstormy16_extra_constraint_p):
        Delete.
        (xstormy16_legitiamte_address_p): Declare.
        * config/stormy16/stormy16.h (REG_CLASS_FROM_LETTER): Delete.
        (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
        (EXTRA_CONSTRAINT): Delete.
        * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
        Un-staticize.
        (xstormy16_extra_constraint_p): Delete.

2011-02-14  Eric Botcazou  <ebotcazou@adacore.com>

        PR tree-optimization/46494
        * loop-unroll.c (split_edge_and_insert): Adjust comment.
        * loop-init.c (loop_optimizer_finalize): Do not call verify_flow_info.
        (pass_rtl_loop_done): Add TODO_verify_flow.
        * fwprop.c (pass_rtl_fwprop): Likewise.
        * modulo-sched.c (pass_sms): Likewise.
        * tree-ssa-dom.c (pass_dominator): Likewise.
        * tree-ssa-loop-ch.c (pass_ch): Likewise.
        * tree-ssa-loop.c (pass_complete_unrolli): Likewise.
        (pass_tree_loop_done): Likewise.
        * tree-ssa-pre.c (execute_pre): Likewise.
        * tree-ssa-reassoc.c (pass_reassoc): Likewise.
        * tree-ssa-sink.c (pass_sink_code): Likewise.
        * tree-vrp.c (pass_vrp): Likewise.

2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>

        * config/v850/constraints.md: New file.
        * config/v850/v850.md: Include it.
        * config/v850/predicates.md (reg_or_0_operand): Use
        satisfies_constraint_G.
        (special_symbolref_operand): Use satisfies_constraint_K.
        * config/v850/v850.h (CONSTANT_ADDRESS_P): Use constraint_satisfied_p.
        (GO_IF_LEGITIMATE_ADDRESS): Likewise.
        (REG_CLASS_FROM_LETTER, INT_7_BITS, INT_8_BITS): Delete.
        (CONST_OK_FOR_P, CONST_OK_FOR_LETTER_P): Delete.
        (EXTRA_CONSTRAINT): Delete.
        (CONST_OK_FOR_I, CONST_OK_FOR_J): Use insn_const_int_ok_for_constraint.
        (CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M): Likewise.
        (CONST_OK_FOR_N, CONST_OK_FOR_O): Likewise.

2011-02-14  Anatoly Sokolov  <aesok@post.ru>

        PR target/47696
        * config/avr/avr-devices.c (avr_mcu_types): Fix ATmega2560 device
        description.

2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>

        * config/mcore/constraints.md: New file.
        * config/mcore/mcore.md: Include it.
        * config/mcore/mcore.c (reg_class_from_letter): Delete.
        * config/mcore/mcore.h (reg_class_from_letter): Delete.
        (REG_CLASS_FROM_LETTER): Delete.
        (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_L): Use
        insn_const_int_ok_for_constraint.
        (CONST_OK_FOR_K, CONST_OK_FOR_M, CONST_OK_FOR_N): Likewise.
        (CONST_OK_FOR_O, CONST_OK_FOR_P): Likewise.
        (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
        (EXTRA_CONSTRAINT): Delete.

2011-02-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR ada/41929
        * config/sparc/sol2-unwind.h: Include <sys/frame.h>, <sys/stack.h>
        (IS_SIGHANDLER): Define.
        (sparc64_is_sighandler): New function, split off from
        sparc64_fallback_frame_state.
        (sparc_is_sighandler): New function, split off from
        sparc_fallback_frame_state.
        (sparc64_fallback_frame_state): Merge with ...
        (sparc_fallback_frame_state): ... this into ...
        (MD_FALLBACK_FRAME_STATE_FOR): ... this.
        Change new_cfa to long.  Remove regs_off, fpu_save_off, fpu_save.
        Define nframes, mctx.  Use IS_SIGHANDLER, handler_args, mctx, walk
        stack instead of hardcoded offsets.

2011-02-14  Andriy Gapon  <avg@freebsd.org>

        PR target/45808
        * config/freebsd-spec.h (FBSD_LIB_SPEC): Handle the shared case.

2011-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * configure: Regenerate.

2011-02-12  Joseph Myers  <joseph@codesourcery.com>

        PR driver/45731
        * gcc.c (asm_options): Correct spec matching --target-help.

2011-02-12  Martin Jambor  <mjambor@suse.cz>

        * tree-cfg.c (verify_gimple_call): Return true upon invalid argument
        to gimple call error.

2011-02-12  Mike Stump  <mikestump@comcast.net>

        * config/frv/frv.h (TRANSFER_FROM_TRAMPOLINE): Canonicalize
        comments in backslash regions.

2011-02-12  Mike Stump  <mikestump@comcast.net>
            Jakub Jelinek  <jakub@redhat.com>
            Iain Sandoe  <iains@gcc.gnu.org>

        PR target/47324
        * dwarf2out.c (output_cfa_loc): When required, apply the
        DWARF2_FRAME_REG_OUT macro to adjust register numbers.
        (output_loc_sequence): Likewise.
        (output_loc_operands_raw): Likewise.
        (output_loc_sequence_raw): Likewise.
        (output_cfa_loc): Likewise.
        (output_loc_list): Suppress register number adjustment when
        calling output_loc_sequence()
        (output_die): Likewise.

2011-02-12  Anatoly Sokolov  <aesok@post.ru>

        * config/xtensa/xtensa.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST):
        Remove macros.
        * config/xtensa/xtensa.c (xtensa_register_move_cost,
        xtensa_memory_move_cost): New functions.
        (TARGET_REGISTER_MOVE_COST, TARGET_REGISTER_MOVE_COST): Define.

2011-02-12  Alexandre Oliva  <aoliva@redhat.com>

        PR lto/47225
        * configure.ac (gcc_cv_lto_plugin): Test for liblto_plugin.la
        in the current directory.
        * configure: Rebuilt.

2011-02-12  Iain Sandoe  <iains@gcc.gnu.org>

        * config/darwin.c (darwin_override_options): Add a hunk missed
        from the commit of r168571.  Trim comment line lengths and
        correct indents of the preceding block.

2011-02-12  Iain Sandoe  <iains@gcc.gnu.org>

        * gcc.c (driver_handle_option): Concatenate the argument to -F with
        the switch.

2011-02-11  Joseph Myers  <joseph@codesourcery.com>

        * common.opt (nostartfiles): New Driver option.

2011-02-11  Xinliang David Li  <davidxl@google.com>

        PR tree-optimization/47707
        * tree-chrec.c (convert_affine_scev): Keep type precision.

2011-02-11  Eric Botcazou  <ebotcazou@adacore.com>

        PR tree-optimization/47420
        * ipa-split.c (visit_bb): Punt on any kind of GIMPLE_RESX.

2011-02-11  Pat Haugen  <pthaugen@us.ibm.com>

        PR rtl-optimization/47614
        * rtl.h (check_for_inc_dec): Declare.
        * dse.c (check_for_inc_dec): Externalize...
        * postreload.c (reload_cse_simplify): ...use it before deleting stmt.
        (reload_cse_simplify_operands): Don't simplify opnds with side effects.

2011-02-11  Joseph Myers  <joseph@codesourcery.com>

        PR driver/47678
        * gcc.c (main): Do not compile inputs if there were errors in
        option handling.
        * opts-common.c (read_cmdline_option): Check for wrong language
        after other error checks.

2011-02-11  Nathan Froyd  <froydnj@codesourcery.com>

        * cgraph.c: Fix comment typos.
        * cgraph.h: Likewise.
        * cgraphunit.c: Likewise.
        * ipa-cp.c: Likewise.
        * ipa-inline.c: Likewise.
        * ipa-prop.c: Likewise.
        * ipa-pure-const.c: Likewise.
        * ipa-ref.c: Likewise.
        * ipa-reference.c: Likewise.

2011-02-11  Jakub Jelinek  <jakub@redhat.com>

        PR debug/47684
        * tree-predcom.c (single_nonlooparound_use): Ignore debug uses.

2011-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR testsuite/47400
        * doc/sourcebuild.texi (Require Support): Document
        dg-require-ascii-locale.

2011-02-11  Mingjie Xing  <mingjie.xing@gmail.com>

        * doc/lto.texi (Write summary): Fix missing parentheses.

2011-02-10  DJ Delorie  <dj@redhat.com>

        * config/m32c/m32c.c (m32c_option_override): Disable
        -fcombine-stack-adjustments until flag value tracking and compare
        optimization can be rewritten.

2011-02-10  Peter Bergner  <bergner@vnet.ibm.com>

        * config/rs6000/linux64.h (PROCESSOR_DEFAULT): Change to
        PROCESSOR_POWER7.
        (PROCESSOR_DEFAULT64): Likewise.

2011-02-10  Richard Henderson  <rth@redhat.com>

        * config/rx/predicates.md (rx_zs_comparison_operator): Revert
        change from 2011-02-03.
        * config/rx/rx.c (flags_from_code): Likewise.
        (rx_print_operand) ['B']: For LT/GE, use lt/ge if overflow flag
        is valid, n/pz otherwise.
        (rx_select_cc_mode): Return CCmode if Y is not zero.

2011-02-10  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (bitpos_of_field): Use BITS_PER_UNIT, not 8.

2011-02-10  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47677
        * tree-vrp.c (vrp_bitmap_equal_p): Fix comparison of empty bitmaps.

2011-02-10  Jakub Jelinek  <jakub@redhat.com>

        PR target/47665
        * combine.c (make_compound_operation): Only change shifts into
        multiplication for SCALAR_INT_MODE_P.

2011-02-10  Jie Zhang  <jie@codesourcery.com>

        PR testsuite/47622
        Revert
        2011-02-05  Jie Zhang  <jie@codesourcery.com>
        PR debug/42631
        * web.c (entry_register): Don't clobber the number of the
        first uninitialized reference in used[].

2011-02-09  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47664
        * ipa-inline.c (cgraph_decide_inlining_incrementally): Visit
        all edges again.

2011-02-09  David Edelsohn  <dje.gcc@gmail.com>

        PR target/46481
        PR target/47032
        * config/rs6000/aix61.h (PROCESSOR_DEFAULT): Change to
        PROCESSOR_POWER7.
        (PROCESSOR_DEFAULT64): Same.
        (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Delete.

2011-02-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/mips/iris6.h (TARGET_C99_FUNCTIONS): Define.

2011-02-09  Martin Jambor  <mjambor@suse.cz>

        PR middle-end/45505
        * tree-sra.c (struct access): New flags grp_scalar_read and
        grp_scalar_write.  Changed description of assignment read and write
        flags.
        (dump_access): Dump new flags, reorder all of them.
        (sort_and_splice_var_accesses): Set the new flag accordingly, use them
        to detect multiple scalar reads.
        (analyze_access_subtree): Use the new scalar read write flags instead
        of the old flags.  Adjusted comments.

2011-02-08  DJ Delorie  <dj@redhat.com>

        PR target/47548
        * config/m32c/m32c.c (m32c_subreg): Don't try to validate interim
        patterns.

2011-02-08  Joseph Myers  <joseph@codesourcery.com>

        * config/m68k/uclinux.opt: New.
        * config.gcc (m68k-*-uclinux*): Use m68k/uclinux.opt.

2011-02-08  Joseph Myers  <joseph@codesourcery.com>

        * config/cris/elf.opt (sim): New Driver option.

2011-02-08  Joseph Myers  <joseph@codesourcery.com>

        * config/xtensa/elf.opt: New.
        * config.gcc (xtensa*-*-elf*): Use xtensa/elf.opt.

2011-02-08  Joseph Myers  <joseph@codesourcery.com>

        * config/vax/elf.opt: New.
        * config.gcc (vax-*-linux*, vax-*-netbsdelf*): Use vax/elf.opt.

2011-02-08  Joseph Myers  <joseph@codesourcery.com>

        * config/rs6000/aix64.opt (posix, pthread): New Driver options.

2011-02-08  Joseph Myers  <joseph@codesourcery.com>

        * config/gnu-user.opt: New.
        * config.gcc (*-*-linux* | frv-*-*linux* | *-*-kfreebsd*-gnu |
        *-*-knetbsd*-gnu | *-*-gnu* | *-*-kopensolaris*-gnu,
        *-*-uclinux*): Use gnu-user.opt.

2011-02-08  Thomas Schwinge  <thomas@schwinge.name>

        * config/gnu.h (CPP_SPEC, LIB_SPEC): Remove handling of -bsd option.
        * config/i386/gnu.h (CPP_SPEC): Likewise.

2011-02-08  Ian Lance Taylor  <iant@google.com>

        * common.opt (fcx-limited-range): Add SetByCombined flag.
        (ffinite-math-only, fmath-errno, frounding-math): Likewise.
        (fsignaling-nans, fsigned-zeros, ftrapping-math): Likewise.
        (fassociative-math, freciprocal-math): Likewise.
        (funsafe-math-optimizations): Likewise.
        * opth-gen.awk: Handle SetByCombined.
        * optc-gen.awk: Likewise.
        * opts.c (set_fast_math_flags): Don't override flag if set by frontend.
        (set_unsafe_math_optimizations_flags): Likewise.
        * doc/options.texi (Option properties): Document SetByCombined.

2011-02-08  Joseph Myers  <joseph@codesourcery.com>

        * config.gcc (arc-*, alpha*-*-gnu*, arm*-*-netbsd*, arm-*-pe*,
        i[34567]86-*-interix3*, i[34567]86-*-netbsd*, i[34567]86-*-pe,
        m68hc11-*-*, m6811-*-*, m68hc12-*-*, m6812-*-*,
        m68k-*-uclinuxoldabi*, mcore-*-pe*, powerpc*-*-gnu*,
        sh*-*-symbianelf*, vax-*-netbsd*): Mark obsolete.

2011-02-08  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/46834
        PR tree-optimization/46994
        PR tree-optimization/46995
        * graphite-sese-to-poly.c (used_outside_reduction): New.
        (detect_commutative_reduction): Call used_outside_reduction.
        (rewrite_commutative_reductions_out_of_ssa_close_phi): Call
        translate_scalar_reduction_to_array only when at least one
        loop-phi/close-phi tuple has been detected.

2011-02-08  Richard Guenther  <rguenther@suse.de>

        PR middle-end/47639
        * tree-vect-generic.c (expand_vector_operations_1): Update
        stmts here ...
        (expand_vector_operations): ... not here.  Cleanup EH info
        and the CFG if required.

2011-02-08  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47641
        * tree-ssa.c (execute_update_addresses_taken): For asm outputs
        require type compatibility.

2011-02-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * gimple-low.c (lower_function_body): Don't remove the location of
        the return statement here.
        (lower_gimple_return): Do it here instead but only if the return
        statement is actually used twice.

2011-02-08  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47632
        * tree-ssa-forwprop.c (remove_prop_source_from_use): Remove
        unused up_to_stmt parameter, return whether cfg-cleanup is
        necessary, remove EH info properly.
        (forward_propagate_into_gimple_cond): Adjust caller.
        (forward_propagate_into_cond): Likewise.
        (forward_propagate_comparison): Likewise.
        (tree_ssa_forward_propagate_single_use_vars): Make
        forward_propagate_comparison case similar to the two others.

2011-02-08  Nick Clifton  <nickc@redhat.com>

        * config/mn10300/mn10300.opt (mliw): New command line option.
        * config/mn10300/mn10300.md (UNSPEC_LIW): New unspec.
        (liw_bundling): New automaton.
        (liw): New attribute.
        (liw_op): New attribute.
        (liw_op1, liw_op2, liw_both, liw_either): New reservations.
        (movsi_internal): Add LIW attributes.
        (andsi3): Likewise.
        (iorsi3): Likewise.
        (xorsi3): Likewise.
        (addsi3): Separate register and immediate alternatives.
        Add LIW attributes.
        (subsi3): Likewise.
        (cmpsi): Likewise.
        (aslsi3): Likewise.
        (lshrsi3): Likewise.
        (ashrsi3): Likewise.
        (liw): New pattern.
        * config/mn10300/mn10300.c (liw_op_names): New
        (mn10300_print_operand): Handle 'W' operand descriptor.
        (extract_bundle): New function.
        (check_liw_constraints): New function.
        (liw_candidate): New function.
        (mn10300_bundle_liw): New function.
        (mn10300_reorg): New function.
        (TARGET_MACHINE_DEPENDENT_REORG): Define.
        (TARGET_DEFAULT_TARGET_FLAGS): Add MASK_ALLOW_LIW.
        * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Define
        __LIW__ or __NO_LIW__.
        * doc/invoke.texi: Describe the -mliw command line option.

2011-02-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * config.gcc (hppa[12]*-*-hpux11*): Don't set extra_parts.
        * config/pa/stublib.c (pthread_default_stacksize_np, pthread_mutex_lock,
        pthread_mutex_unlock): Remove.
        * config/pa/t-pa-hpux11: Remove rules to build pthread stubs.
        * config/pa/t-pa64: Likewise.
        * config/pa/pa64-hpux.h (LIB_SPEC): In static links, link against
        shared libc if not linking against libpthread.
        * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.

2011-02-07  Iain Sandoe  <iains@gcc.gnu.org>

        PR target/47558
        * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Put -lSystem first
        on 10.6 and later to ensure that we always use the unwinder from
        the system.  Only add -no_compact_unwind when tarteting darwin
        10.6 or later.

2011-02-07  Steve Ellcey  <sje@cup.hp.com>

        PR target/46997
        * vect.md (vec_interleave_highv2sf): Change fmix for TARGET_BIG_ENDIAN.
        (vec_interleave_lowv2sf): Ditto.
        (vec_extract_evenv2sf): Add TARGET_BIG_ENDIAN check.
        (vec_extract_oddv2sf): Ditto.

2011-02-07  Mike Stump  <mikestump@comcast.net>

        PR target/42333
        Add __ieee_divdc3 entry point.
        * config/i386/darwin.h (DECLARE_LIBRARY_RENAMES): Retain ___divdc3
        entry point.
        (SUBTARGET_INIT_BUILTINS): Call darwin_rename_builtins.
        * config/i386/i386.c (TARGET_INIT_LIBFUNCS): Likewise.
        * config/darwin.c (darwin_rename_builtins): Add.
        * config/darwin-protos.h (darwin_rename_builtins): Add.

2011-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/47636
        * config/rs6000/rs6000.md (rsqrt<mode>2): Use the correct macro
        for the condition.

2011-02-07  Mike Stump  <mikestump@comcast.net>

        * config/darwin.opt (mmacosx-version-min): Update default OS version.

2011-02-07  Denis Chertykov  <chertykov@gmail.com>

        PR target/47534
        * config/avr/libgcc.S (exit): Move .endfunc

2011-02-07  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47615
        * tree-ssa-sccvn.h (run_scc_vn): Take a vn-walk mode argument.
        * tree-ssa-sccvn.c (default_vn_walk_kind): New global.
        (run_scc_vn): Initialize it.
        (visit_reference_op_load): Use it.
        * tree-ssa-pre.c (execute_pre): Use VN_WALK if in PRE.

2011-02-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.c (spu_init_libfuncs): Install SImode and
        DImode trapping arithmetic libfuncs.

2011-02-07  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47621
        * tree-ssa.c (non_rewritable_lvalue_p): New function, split out from
        two duplicates ...
        (execute_update_addresses_taken): ... here.  Make it more
        conservative in what we accept.

2011-02-06  Joseph Myers  <joseph@codesourcery.com>

        * config/sparc/freebsd.h (ASM_SPEC): Define.
        * config/sparc/vxworks.h (ASM_SPEC): Define.

2011-02-06  Joseph Myers  <joseph@codesourcery.com>

        * config/sparc/sol2-bi.h (CC1_SPEC): Remove %{sun4:} %{target:}.

2011-02-06  Steven Bosscher  <steven@gcc.gnu.org>

        * doc/invoke.texi: Remove reference to compiler internals from
        user documentation.

        * reg-notes.def: Remove REG_VALUE_PROFILE.
        * combine.c (distribute_notes): Do not handle REG_VALUE_PROFILE.

2011-02-05  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/47610
        * varasm.c (default_section_type_flags): If decl is NULL,
        and name is .data.rel.ro or .data.rel.ro.local, set SECTION_RELRO bit.

2011-02-05  Jie Zhang  <jie@codesourcery.com>

        PR debug/42631
        * web.c (entry_register): Don't clobber the number of the
        first uninitialized reference in used[].

2011-02-04  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/46194
        * tree-data-ref.c (analyze_miv_subscript): Remove comment.
        (build_classic_dist_vector_1): Do not represent classic distance
        vectors when the access functions are variating in different loops.

2011-02-04  Joseph Myers  <joseph@codesourcery.com>

        * config/mips/iris6.opt: New.
        * config.gcc (mips-sgi-irix6.5*): Use mips/iris6.opt.

2011-02-04  Richard Henderson  <rth@redhat.com>
            Steve Ellcey  <sje@cup.hp.com>

        PR target/46997
        * config/ia64/predicates.md (mux1_brcst_element): New.
        * config/ia64/ia64-protos.h (ia64_unpack_assemble): New.
        * config/ia64/ia64.c (ia64_unpack_assemble): New.
        (ia64_unpack_sign): New.
        (ia64_expand_unpack): Rewrite using new routines.
        (ia64_expand_widen_sum): Ditto.
        (ia64_expand_dot_prod_v8qi): Ditto.
        * config/ia64/vect.md (mulv8qi3): Rewrite to use new
        routines, add endian check.
        (pmpy2_even): Rename from pmpy2_r, add endian check.
        (pmpy2_odd): Rename from pmpy2_l, add endian check.
        (vec_widen_smult_lo_v4hi): Rewrite using new routines.
        (vec_widen_smult_hi_v4hi): Ditto.
        (vec_widen_umult_lo_v4hi): Ditto.
        (vec_widen_umult_hi_v4hi): Ditto.
        (mulv2si3): Change endian checks.
        (sdot_prodv4hi): Rewrite with new calls.
        (udot_prodv4hi): New.
        (vec_pack_ssat_v4hi): Add endian check.
        (vec_pack_usat_v4hi): Ditto.
        (vec_pack_ssat_v2si): Ditto.
        (max1_even): Rename from max1_r, add endian check.
        (max1_odd): Rename from max1_l, add endian check.
        (*mux1_rev): Format change.
        (*mux1_mix): Ditto.
        (*mux1_shuf): Ditto.
        (*mux1_alt): Ditto.
        (*mux1_brcst_v8qi): Use new predicate.
        (vec_extract_evenv8qi): Remove endian check.
        (vec_extract_oddv8qi): Ditto.
        (vec_interleave_lowv4hi): Format change.
        (vec_interleave_highv4hi): Ditto.
        (mix2_even): Rename from mix2_r, add endian check.
        (mix2_odd): Rename from mux2_l, add endian check.
        (*mux2): Fix mask setting for TARGET_BIG_ENDIAN.
        (vec_extract_evenodd_helper): Format change.
        (vec_extract_evenv4hi): Remove endian check.
        (vec_extract_oddv4hi): Remove endian check.
        (vec_interleave_lowv2si): Format change.
        (vec_interleave_highv2si): Format change.
        (vec_initv2si): Remove endian check.
        (vecinit_v2si): Add endian check.
        (reduc_splus_v2sf): Add endian check.
        (reduc_smax_v2sf): Ditto.
        (reduc_smin_v2sf): Ditto.
        (vec_initv2sf): Remove endian check.
        (fpack): Add endian check.
        (fswap): Add endian check.
        (vec_interleave_highv2sf): Add endian check.
        (vec_interleave_lowv2sf): Add endian check.
        (fmix_lr): Add endian check.
        (vec_setv2sf): Format change.
        (*vec_extractv2sf_0_be): Use shift to extract operand.
        (*vec_extractv2sf_1_be): New.
        (vec_pack_trunc_v4hi): Add endian check.
        (vec_pack_trunc_v2si): Format change.

2011-02-04  Jakub Jelinek  <jakub@redhat.com>

        PR inline-asm/23200
        * tree-ssa-ter.c (is_replaceable_p): Add TER argument.  Don't
        do bb, locus and block comparison and disallow loads if it is not set.
        (stmt_is_replaceable_p): New function.
        (process_replaceable, find_replaceable_in_bb): Adjust is_replaceable_p
        callers.
        * expr.c (expand_expr_real_1) <case SSA_NAME>: If
        get_gimple_for_ssa_name try for EXPAND_INITIALIZER harder to use
        SSA_NAME_DEF_STMT.
        * tree-flow.h (stmt_is_replaceable_p): New prototype.

2011-02-04  Joseph Myers  <joseph@codesourcery.com>

        * config/rs6000/xilinx.opt: New.
        * config.gcc (powerpc-xilinx-eabi*): Use rs6000/xilinx.opt.

2011-02-04  Joseph Myers  <joseph@codesourcery.com>

        * config/mips/mips.opt (EB, EL, noasmopt): New Driver options.

2011-02-03  Anatoly Sokolov  <aesok@post.ru>

        * config/xtensa/xtensa.h (PREFERRED_RELOAD_CLASS,
        PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
        * config/xtensa/xtensa-protos.h (xtensa_preferred_reload_class,
        secondary_reload_info, xtensa_secondary_reload): Remove.
        * config/xtensa/xtensa.c (TARGET_PREFERRED_RELOAD_CLASS,
        TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
        (xtensa_preferred_reload_class): Make static. Change return and
        'rclass' argument type to reg_class_t. Remove 'isoutput' argument.
        Use CONST_DOUBLE_P predicate.
        (xtensa_preferred_output_reload_class): New function.
        (xtensa_secondary_reload): Make static.

2011-02-03  Joseph Myers  <joseph@codesourcery.com>

        * config/microblaze/microblaze.opt (Zxl-mode-bootstrap,
        Zxl-mode-executable, Zxl-mode-novectors, Zxl-mode-xilkernel,
        Zxl-mode-xmdstub, mxl-mode-xilkernel): New Driver options.

2011-02-03  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/31490
        * output.h (SECTION_RELRO): Define.
        (SECTION_MACH_DEP): Adjust.
        (get_variable_section): New prototype.
        * varpool.c (varpool_finalize_named_section_flags): New function.
        (varpool_assemble_pending_decls): Call it.
        * cgraph.h (varpool_finalize_named_section_flags): New prototype.
        * cgraphunit.c (cgraph_output_in_order): Call
        varpool_finalize_named_section_flags.
        * varasm.c (get_section): Allow section flags conflicts between
        relro and read-only sections if the section hasn't been declared yet.
        Set SECTION_OVERRIDE after diagnosing section type conflict.
        (get_variable_section): No longer static.
        (default_section_type_flags): Use SECTION_WRITE | SECTION_RELRO for
        readonly sections that need relocations.
        (decl_readonly_section_1): New function.
        (decl_readonly_section): Use it.

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

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

2011-02-03  Jakub Jelinek  <jakub@redhat.com>

        * config/darwin.h (SECTION_NO_ANCHOR): Remove.
        * config/darwin.c (SECTION_NO_ANCHOR): Define.
        (darwin_init_sections): Remove assertion.

2011-02-03  Nick Clifton  <nickc@redhat.com>

        * config/rx/predicates.md (rx_zs_comparison_operator): Remove
        lt and ge.
        * config/rx/rx.md (abssi2_flags): Use CC_ZSmode rather than CC_ZSOmode.
        * config/rx/rx.c (rx_print_operand): Use "lt" and "ge" suffixes
        instead of "n" and "pz".
        (flags_from_code): LT and GE tests need CC_FLAG_O as well as
        CC_FLAG_S.

2011-02-03  Jakub Jelinek  <jakub@redhat.com>

        PR target/47312
        * expr.c (expand_expr_real_2) <case FMA_EXPR>: If target doesn't expand
        fma, expand FMA_EXPR as fma{,f,l} call.

        PR lto/47274
        * lto-streamer-out.c (write_symbol): When writing kind and visibility,
        copy them into a unsigned char variable and pass address of it to
        lto_output_data_stream.

        PR target/47564
        * toplev.c (target_reinit): Save and restore *crtl and regno_reg_rtx
        around backend_init_target and lang_dependent_init_target calls.
        * cgraphunit.c (cgraph_debug_gimple_stmt): New function.
        (verify_cgraph_node): Don't call set_cfun here.  Use
        cgraph_debug_gimple_stmt instead of debug_gimple_stmt.
        Set error_found for incorrectly represented calls to thunks.

2011-02-03  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/43092
        PR rtl-optimization/43494
        * rtl.h (for_each_inc_dec_fn): New type.
        (for_each_inc_dec): Declare.
        * rtlanal.c (struct for_each_inc_dec_ops): New type.
        (for_each_inc_dec_find_inc_dec): New fn.
        (for_each_inc_dec_find_mem): New fn.
        (for_each_inc_dec): New fn.
        * dse.c (struct insn_size): Remove.
        (replace_inc_dec, replace_inc_dec_mem): Remove.
        (emit_inc_dec_insn_before): New fn.
        (check_for_inc_dec): Use it, along with for_each_inc_dec.
        (canon_address): Pass mem modes to cselib_lookup.
        * cselib.h (cselib_lookup): Add memmode argument.  Adjust callers.
        (cselib_lookup_from_insn): Likewise.
        (cselib_subst_to_values): Likewise.
        * cselib.c (find_slot_memmode): New var.
        (cselib_find_slot): New fn.  Use it instead of
        htab_find_slot_with_hash everywhere.
        (entry_and_rtx_equal_p): Use find_slot_memmode.
        (autoinc_split): New fn.
        (rtx_equal_for_cselib_p): Rename and implement in terms of...
        (rtx_equal_for_cselib_1): ... this.  Take memmode, pass it on.
        Deal with autoinc.  Special-case recursion into MEMs.
        (cselib_hash_rtx): Likewise.
        (cselib_lookup_mem): Infer pmode from address mode.  Distinguish
        address and MEM modes.
        (cselib_subst_to_values): Add memmode, pass it on.
        Deal with autoinc.
        (cselib_lookup): Add memmode argument, pass it on.
        (cselib_lookup_from_insn): Add memmode.
        (cselib_invalidate_rtx): Discard obsolete push_operand handling.
        (struct cselib_record_autoinc_data): New.
        (cselib_record_autoinc_cb): New fn.
        (cselib_record_sets): Use it, along with for_each_inc_dec.  Pass MEM
        mode to cselib_lookup.  Reset autoinced REGs here instead of...
        (cselib_process_insn): ... here.
        * var-tracking.c (replace_expr_with_values, use_type): Pass MEM mode
        to cselib_lookup.
        (add_uses): Likewise, also to cselib_subst_to_values.
        (add_stores): Likewise.
        * sched-deps.c  (add_insn_mem_dependence): Pass mode to
        cselib_subst_to_values.
        (sched_analyze_1, sched_analyze_2): Likewise.  Adjusted.
        * gcse.c (do_local_cprop): Adjusted.
        * postreload.c (reload_cse_simplify_set): Adjusted.
        (reload_cse_simplify_operands): Adjusted.
        * sel-sched-dump (debug_mem_addr_value): Pass mode.

2011-02-03  Alexandre Oliva  <aoliva@redhat.com>

        PR tree-optimization/45122
        * tree-ssa-loop-niter.c (number_of_iterations_exit): Don't make
        unsafe assumptions when there's more than one loop exit.

2011-02-02  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/47272
        * doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions):
        Document using vector double with the load/store builtins, and
        that the load/store builtins always use Altivec instructions.

        * config/rs6000/vector.md (vector_altivec_load_<mode>): New insns
        to use altivec memory instructions, even on VSX.
        (vector_altivec_store_<mode>): Ditto.

        * config/rs6000/rs6000-protos.h (rs6000_address_for_altivec): New
        function.

        * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
        V2DF, V2DI support to load/store overloaded builtins.

        * config/rs6000/rs6000-builtin.def (ALTIVEC_BUILTIN_*): Add
        altivec load/store builtins for V2DF/V2DI types.

        * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
        set avoid indexed addresses on power6 if -maltivec.
        (altivec_expand_ld_builtin): Add V2DF, V2DI support, use
        vector_altivec_load/vector_altivec_store builtins.
        (altivec_expand_st_builtin): Ditto.
        (altivec_expand_builtin): Add VSX memory builtins.
        (rs6000_init_builtins): Add V2DI types to internal types.
        (altivec_init_builtins): Add support for V2DF/V2DI altivec
        load/store builtins.
        (rs6000_address_for_altivec): Insure memory address is appropriate
        for Altivec.

        * config/rs6000/vsx.md (vsx_load_<mode>): New expanders for
        vec_vsx_ld and vec_vsx_st.
        (vsx_store_<mode>): Ditto.

        * config/rs6000/rs6000.h (RS6000_BTI_long_long): New type
        variables to hold long long types for VSX vector memory builtins.
        (RS6000_BTI_unsigned_long_long): Ditto.
        (long_long_integer_type_internal_node): Ditti.
        (long_long_unsigned_type_internal_node): Ditti.

        * config/rs6000/altivec.md (UNSPEC_LVX): New UNSPEC.
        (altivec_lvx_<mode>): Make altivec_lvx use a mode iterator.
        (altivec_stvx_<mode>): Make altivec_stvx use a mode iterator.

        * config/rs6000/altivec.h (vec_vsx_ld): Define VSX memory builtin
        short cuts.
        (vec_vsx_st): Ditto.

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

        * config/pa/pa-hpux10.opt: New.
        * config/hpux11.opt (pthread): New Driver option.
        * config/pa/pa-hpux.opt (nolibdld, rdynamic): New Driver options.
        * config.gcc (hppa[12]*-*-hpux10*): Use pa/pa-hpux10.opt.

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

        * config/ia64/vms.opt: New.
        * config.gcc (ia64-hp-*vms*): Use ia64/vms.opt.

2011-02-01  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/47580
        * config/rs6000/vsx.md (vsx_float<VSi><mode>2): Use
        gpc_reg_operand instead of vsx_register_operand to match rs6000.md
        generator functions.
        (vsx_floatuns<VSi><mode>2): Ditto.
        (vsx_fix_trunc<mode><VSi>2): Ditto.
        (vsx_fixuns_trunc<mode><VSi>2): Ditto.

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

        * config/i386/djgpp.opt (posix): New Driver option.

2011-02-02  Gerald Pfeifer  <gerald@pfeifer.com>

        * config.gcc (*-*-freebsd[12], *-*-freebsd[12].*, *-*-freebsd*aout*):
        Move to the unsupported targets list.

2011-02-02  Peter Bergner  <bergner@vnet.ibm.com>

        PR rtl-optimization/47525
        * df-scan.c: Update copyright years.
        (df_get_call_refs): Do not mark global registers as DF_REF_REG_USE
        and non-clobber DF_REF_REG_DEF for calls to const and pure functions.

2011-02-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/i386/sysv4.h (TARGET_VERSION): Remove.
        (SUBTARGET_RETURN_IN_MEMORY): Remove.
        (ASM_OUTPUT_ASCII): Remove.
        * config/i386/sol2.h (SUBTARGET_RETURN_IN_MEMORY): Remove #undef.

2011-02-02  Jeff Law  <law@redhat.com>

        PR middle-end/47543
        * reload.c (find_reloads_address): Handle reg+d address where both
        components are invalid by reloading the entire address.

2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
            Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/40979
        PR bootstrap/47044
        * passes.c (init_optimization_passes): After LIM call copy_prop
        and DCE to clean up.
        * tree-ssa-loop.c (pass_graphite_transforms): Add TODO_dump_func.

2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/47576
        PR tree-optimization/47555
        * doc/invoke.texi (scev-max-expr-complexity): Documented.
        * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
        (PARAM_SCEV_MAX_EXPR_COMPLEXITY): Declared.
        * tree-scalar-evolution.c (follow_ssa_edge): Use
        PARAM_SCEV_MAX_EXPR_COMPLEXITY.

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

        PR tree-optimization/47566
        * builtins.c (builtin_save_expr): No SAVE_EXPR for SSA_NAMEs.

2011-02-02  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/47106
        PR debug/47402
        * tree-inline.c (declare_return_variable): Remove unused caller
        variable.

        PR debug/47106
        PR debug/47402
        * tree-flow-inline.h (clear_is_used, is_used_p): New.
        * cfgexpand.c (account_used_vars_for_block): Use them.
        * tree-nrv.c (tree_nrv): Likewise.
        * tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
        (dump_scope_block): Likewise.
        (remove_unused_locals): Likewise.

        PR debug/47106
        PR debug/47402
        * tree-inline.c (declare_return_variable): Add result decl to
        local decls only once.
        * gimple-low.c (record_vars_into): Mark newly-created variables
        as referenced.

2011-02-02  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/47498
        PR debug/47501
        PR debug/45136
        PR debug/45130
        * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
        debug insns.
        (no_real_insns_p, schedule_block, set_priorities): Drop special
        treatment of boundary debug insns.
        * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
        * sched-ebb.c (schedule_ebbs): Adjust skipping of debug insns.
        * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
        (BOUNDARY_DEBUG_INSN_P): Likewise.
        (SCHEDULE_DEBUG_INSN_P): Likewise.
        * sched-rgn.c (init_ready_list): Drop special treatment of
        boundary debug insns.
        * final.c (rest_of_clean_state): Clear notes' BB.

2011-02-01  Joseph Myers  <joseph@codesourcery.com>

        * config/openbsd.opt (assert=): New Driver option.

2011-02-01  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/nto.opt: New.
        * config.gcc (i[34567]86-*-nto-qnx*): Use i386/nto.opt.

2011-02-01  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/netware.opt: New.
        * config.gcc (i[3456x]86-*-netware*): Use i386/netware.opt.

2011-02-01  Joseph Myers  <joseph@codesourcery.com>

        * config/interix.opt (posix): New Driver option.

2011-02-01  DJ Delorie  <dj@redhat.com>

        * config/m32c/m32c.h (PTRDIFF_TYPE): Remove extra definition.

        * config/m32c/m32c.c (m32c_regno_reg_class): Return smallest reg
        class for A0/A1.

2011-02-01  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/47561
        * toplev.c (process_options): Print the Graphite flags.  Add
        flag_loop_flatten to the list of options requiring Graphite.

2011-02-01  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/cygming.opt (posix): New Driver option.

2011-02-01  Joseph Myers  <joseph@codesourcery.com>

        * config/arm/vxworks.opt: New.
        * config.gcc (arm-wrs-vxworks): Use arm/vxworks.opt.

2011-02-01  Joseph Myers  <joseph@codesourcery.com>

        * config/alpha/elf.opt: New.
        * config.gcc (alpha*-*-linux*, alpha*-*-gnu*, alpha*-*-freebsd*,
        alpha*-*-netbsd*, alpha*-*-openbsd*): Use alpha/elf.opt.

2011-02-01  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47559
        * tree-ssa-loop-im.c (can_sm_ref_p): Do not perform
        store-motion on references that can throw.

2011-02-01  Bernd Schmidt  <bernds@codesourcery.com>

        * tree-dump.c (dump_option_value_info): Add entry for TDF_CSELIB.
        * tree-pass.h (TDF_CSELIB): New macro.
        * cselib.c (new_cselib_val, expand_loc, cselib_expand_value_rtx_1,
        cselib_lookup): Check for it rather than for TDF_DETAILS.

2011-02-01  H.J. Lu  <hongjiu.lu@intel.com>

        PR driver/47547
        * lto-wrapper.c (run_gcc): Don't add -dumpdir if linker_output
        is HOST_BIT_BUCKET.

        * opts.c (finish_options): Don't add x_aux_base_name if it is
        HOST_BIT_BUCKET.

2011-02-01  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47555
        Revert
        2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>

        * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.

2011-02-01  Sebastien Bourdeauducq  <sebastien@milkymist.org>

        PR gcc/46692
        * config/lm32/t-lm32: Add multilib for all CPU options.

2011-02-01  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47541
        * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
        sure to have a field at offset zero.

2011-01-31  Joseph Myers  <joseph@codesourcery.com>

        * config/arc/arc.opt (EB, EL): New Driver options.

2011-01-31  Joseph Myers  <joseph@codesourcery.com>

        * config/alpha/osf5.opt: New.
        * config.gcc (alpha*-dec-osf5.1*): Use alpha/osf5.opt.

2011-01-31  Joseph Myers  <joseph@codesourcery.com>

        * config/vms/vms.opt (map, mvms-return-codes): New Driver options.

2011-01-31  Sebastian Pop  <sebastian.pop@amd.com>

        * common.opt (ftree-loop-linear): Use Alias to make it an alias of
        -floop-interchange.
        * invoke.texi (-ftree-loop-linear): Make it clear that this flag
        is an alias of -floop-interchange and that it requires the
        Graphite infrastructure.
        * tree-ssa-loop.c (gate_graphite_transforms): Do not set
        flag_loop_interchange based on the value of flag_tree_loop_linear.

2011-01-31  Jakub Jelinek  <jakub@redhat.com>
            Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47538
        * tree-ssa-ccp.c (bit_value_binop_1): For uns computation use
        type instead of r1type, except for comparisons.  For right
        shifts and comparisons punt if there are mismatches in
        sizetype vs. non-sizetype types.

2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * doc/sourcebuild.texi (Effective-Target Keywords): Document
        avx_runtime.

2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac (gcc_cv_ld_eh_frame_hdr): Update minimal Sun ld
        version number.
        * configure: Regenerate.

2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac (gcc_cv_ld_static_option): Define.
        (gcc_cv_ld_dynamic_option): Define.
        (gcc_cv_ld_static_dynamic): Tru64 UNIX support -noso/-so_archive
        instead.
        (HAVE_LD_STATIC_DYNAMIC): Update message.
        (LD_STATIC_OPTION): Define.
        (LD_DYNAMIC_OPTION): Define.
        * configure: Regenerate.
        * config.in: Regenerate.
        * gcc.c (init_spec) [USE_LIBUNWIND_EXCEPTIONS &&
        HAVE_LD_STATIC_DYNAMIC]: Use them.

2011-01-31  Nick Clifton  <nickc@redhat.com>

        * config/rx/rx.c (rx_get_stack_layout): Only save call clobbered
        registers inside interrupt handlers if the handler is not a leaf
        function.

2011-01-31  Nick Clifton  <nickc@redhat.com>

        * config/mn10300/mn10300.c (mn10300_regno_in_class_p): Check for
        reg_renumber returning an INVALID_REGNUM.

2011-01-31  Alexandre Oliva  <aoliva@redhat.com>

        PR libgcj/44341
        * doc/install.texi: Document host options discarded when cross
        configuring target libraries.

2011-01-31  Alexandre Oliva  <aoliva@redhat.com>

        Reverted:
        2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
        PR debug/45136
        PR debug/45130
        * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
        debug insns.
        (no_real_insns_p, schedule_block, set_priorities): Drop special
        treatment of boundary debug insns.
        * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
        * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
        * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
        (BOUNDARY_DEBUG_INSN_P): Likewise.
        (SCHEDULE_DEBUG_INSN_P): Likewise.
        * sched-rgn.c (init_ready_list): Drop special treatment of
        boundary debug insns.
        * final.c (rest_of_clean-state): Clear notes' BB.

2011-01-31  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000.c (print_operand): Rearrange addends in
        toc relative expressions as we do in print_operand_address.

2011-01-30  Kazu Hirata  <kazu@codesourcery.com>

        * doc/extend.texi: Follow spelling conventions.
        * doc/invoke.texi: Fix a typo.

2011-01-30  Joseph Myers  <joseph@codesourcery.com>

        * config/hpux11.opt: New.
        * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*,
        ia64*-*-hpux*): Use hpux11.opt.

2011-01-30  Jonathan Yong  <jon_y@users.sourceforge.net>

        * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add t-dfprules
        to tmake_file.

2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (hppa-hp-hpux10): Remove references to HP
        support sites.

2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (Binaries): Remove outdated reference for
        Motorola 68HC11/68HC12 downloads.

2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/extend.texi (Thread-Local): Adjust reference to Ulrich
        Drepper's paper.

2011-01-29  Jonathan Wakely  <jwakely.gcc@gmail.com>

        PR bootstrap/47147
        * ginclude/stddef.h: Check for _X86_64_ANSI_H_ and _I386_ANSI_H_ as
        used by NetBSD.

2011-01-28  Ahmad Sharif  <asharif@google.com>

        * value-prof.c (check_counter): Corrected error message.

2011-01-29  Jie Zhang  <jie@codesourcery.com>

        * config/arm/arm.c (arm_legitimize_reload_address): New.
        * config/arm/arm.h (ARM_LEGITIMIZE_RELOAD_ADDRESS): Use
        arm_legitimize_reload_address.
        * config/arm/arm-protos.h (arm_legitimize_reload_address): Declare.

2011-01-28  Ian Lance Taylor  <iant@google.com>

        * godump.c (go_define): Ignore macros whose definitions include
        two adjacent operands.

2011-01-28  Jakub Jelinek  <jakub@redhat.com>

        PR target/42894
        * varasm.c (force_const_mem): Store copy of x in desc->constant
        instead of x itself.
        * expr.c (emit_move_insn): Add a copy of y_cst instead of y_cst
        itself into REG_EQUAL note.

2011-01-28  Joseph Myers  <joseph@codesourcery.com>

        * config/freebsd.opt (posix, rdynamic): New Driver options.

2011-01-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac (gcc_cv_ld_static_dynamic): IRIX 6 ld supports
        -Bstatic/-Bdynamic.
        * configure: Regenerate.

2011-01-27  Joseph Myers  <joseph@codesourcery.com>

        * config/rs6000/sysv4.h (LIB_NETBSD_SPEC): Don't handle -profile.
        * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -profile.

2011-01-27  Anatoly Sokolov  <aesok@post.ru>

        * config/s390/s390.h (PREFERRED_RELOAD_CLASS): Remove.
        * config/s390/s390-protos.h (s390_preferred_reload_class): Remove.
        * config/s390/s390.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
        (s390_preferred_reload_class): Make static. Change return and
        'rclass' argument type to reg_class_t.

2011-01-27  Jan Hubicka  <jh@suse.cz>

        PR middle-end/46949
        * cgraphunit.c (process_common_attributes): Fix use of remove_attribute.
        (process_function_and_variable_attributes): Check defined weakrefs.

2011-01-27  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/47228
        * tree-sra.c (sra_modify_assign): Use build_ref_for_model instead of
        build_ref_for_offset.

2011-01-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu-elf.h (ASM_SPEC): Remove.

2011-01-26  Mikael Pettersson  <mikpe@it.uu.se>

        PR rtl-optimization/46856
        * postreload.c (reload_combine_recognize_const_pattern): Do not
        separate cc0 setter and user on cc0 targets.

2011-01-26  Nicola Pero  <nicola.pero@meta-innovation.com>

        PR c/43082
        * c-typeck.c (c_objc_common_truthvalue_conversion): If we are
        passed a VOID_TYPE expression, immediately emit an error and
        return error_mark_node.

2011-01-26  Jeff Law  <law@redhat.com>

        PR rtl-optimization/47464
        * df-problems.c (can_move_insn_across): Use may_trap_or_fault_p
        rather than may_trap_p as needed.

2011-01-26  DJ Delorie  <dj@redhat.com>

        PR rtl-optimization/46878
        * combine.c (insn_a_feeds_b): Check for the implicit cc0
        setter/user dependency as well.

2011-01-26  Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/44469
        * cfgcleanup.c (try_optimize_cfg): Iterate in CFG layout mode too
        after removing trivially dead basic blocks.

2011-01-26  Joseph Myers  <joseph@codesourcery.com>

        * config/bfin/bfin.h (LINK_SPEC): Remove %{Qy:} %{!Qn:-Qy}.
        * config/frv/frv.h (LINK_SPEC): Likewise.
        * config/i386/netware.h (LINK_SPEC): Likewise.
        * config/m68k/linux.h (ASM_SPEC): Likewise.
        * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
        * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
        * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
        * config/sparc/linux.h (ASM_SPEC): Likewise.
        * config/sparc/linux64.h (ASM_SPEC): Likewise.
        * config/sparc/sp-elf.h (ASM_SPEC): Likewise.

2011-01-26  Joseph Myers  <joseph@codesourcery.com>

        * config/bfin/bfin.h (ASM_SPEC): Remove %{Ym,*}.
        * config/frv/frv.h (ASM_SPEC): Likewise.
        * config/m68k/linux.h (ASM_SPEC): Likewise.
        * config/pa/pa-linux.h (ASM_SPEC): Likewise.
        * config/rs6000/linux64.h (ASM_SPEC): Likewise.
        * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
        * config/sparc/linux.h (ASM_SPEC): Likewise.
        * config/sparc/linux64.h (ASM_SPEC): Likewise.
        * config/sparc/sp-elf.h (ASM_SPEC): Likewise.

2011-01-26  Joseph Myers  <joseph@codesourcery.com>

        * config/bfin/bfin.h (LINK_SPEC): Remove %{YP,*}.
        * config/frv/frv.h (LINK_SPEC): Likewise.
        * config/rs6000/sysv4.h (LINK_SPEC): Likewise.

2011-01-26  Joseph Myers  <joseph@codesourcery.com>

        * config/bfin/bfin.h (ASM_SPEC): Remove %{Yd,*}.
        * config/frv/frv.h (ASM_SPEC): Likewise.
        * config/i386/sol2-10.h (ASM_SPEC): Likewise.
        * config/m68k/linux.h (ASM_SPEC): Likewise.
        * config/pa/pa-linux.h (ASM_SPEC): Likewise.
        * config/rs6000/linux64.h (ASM_SPEC32): Likewise.
        * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
        * config/sol2.h (ASM_SPEC): Remove comment about -Yd,.
        * config/sparc/linux.h (ASM_SPEC): Likewise.
        * config/sparc/linux64.h (ASM_SPEC): Likewise.
        * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
        * config/sparc/sysv4.h (ASM_SPEC): Remove %{Yd,*}.

2011-01-26  Steve Ellcey  <sje@cup.hp.com>

        PR target/46997
        * config/ia64/vect.md (mulv2si3): Enable and fix for TARGET_BIG_ENDIAN.
        (*mux2): Ditto.
        (vec_extract_evenodd_help): Ditto.
        (vec_extract_evenv4hi): Ditto.
        (vec_extract_oddv4hi): Ditto.
        (vec_interleave_lowv2si): Ditto.
        (vec_interleave_highv2si): Ditto.
        (vec_extract_evenv2si): Ditto.
        (vec_extract_oddv2si: Ditto.
        (vec_pack_trunc_v2si): Ditto.

2011-01-22  Jan Hubicka  <jh@suse.cz>

        PR target/47237
        * cgraph.h (cgraph_local_info): New field can_change_signature.
        * ipa-cp.c (ipcp_update_callgraph): Only compute args_to_skip if callee
        signature can change.
        (ipcp_estimate_growth): Call sequence simplify only if calle signature
        can change.
        (ipcp_insert_stage): Only compute args_to_skip if signature can change.
        (cgraph_function_versioning): We can not change signature of functions
        that don't allow that.
        * lto-cgraph.c (lto_output_node): Stream local.can_change_signature.
        (lto_input_node): Likewise.
        * ipa-inline.c (compute_inline_parameters): Compute
        local.can_change_signature.
        * ipa-split.c (visit_bb): Never split away APPLY_ARGS.
        * tree-sra.c (ipa_sra_preliminary_function_checks): Give up on
        functions that can not change signature.
        * i386.c (ix86_function_regparm, ix86_function_sseregparm,
        init_cumulative_args): Do not use local calling conventions
        for functions that can not change signature.

2011-01-22  Jan Hubicka  <jh@suse.cz>

        * doc/invoke.texi (hot-bb-frequency-fraction): Commit forgotten hunk.

2011-01-26  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47190
        * cgraphunit.c (process_common_attributes): New function.
        (process_function_and_variable_attributes): Use it.

2011-01-26  Richard Guenther  <rguenther@suse.de>

        PR lto/47423
        * cgraphbuild.c (record_eh_tables): Record reference to personality
        function.

2011-01-26  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/45454
        * sel-sched.c (moveup_expr): Don't let debug insns prevent
        non-debug insns from moving up.

2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>

        PR target/40125
        * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Select suitable
        t-dlldir{,-x} fragment for build and add it to tmake_file.
        (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
        * Makefile.in (libgcc.mvars): Also export SHLIB_DLLDIR to libgcc.
        * config/i386/t-dlldir: New file.
        (SHLIB_DLLDIR): Define.
        * config/i386/t-dlldir-x: New file.
        (SHLIB_DLLDIR): Define.
        * config/i386/t-cygming: Error out if SHLIB_DLLDIR is not set.
        (SHLIB_INSTALL): Use it.

2011-01-26  Chung-Lin Tang  <cltang@codesourcery.com>

        PR target/47246
        * config/arm/arm.c (thumb2_legitimate_index_p): Change the
        lower bound of the allowed Thumb-2 coprocessor load/store
        index range to -256. Add explaining comment.

2011-01-25  Ian Lance Taylor  <iant@google.com>

        * godump.c (go_define): Improve lexing of macro expansion to only
        accept expressions which match Go spec.

2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>

        PR c++/43601
        * tree.c (handle_dll_attribute): Handle it.
        * doc/extend.texi (@item dllexport): Mention it.
        * doc/invoke.texi (@item -fno-keep-inline-dllexport): Document it.

2011-01-25  Ian Lance Taylor  <iant@google.com>

        PR tree-optimization/26854
        * c-decl.c (struct c_scope): Add field has_jump_unsafe_decl.
        (decl_jump_unsafe): Move higher in file, with no other change.
        (bind): Set has_jump_unsafe_decl if appropriate.
        (update_label_decls): Test has_jump_unsafe_decl to avoid loop.
        (check_earlier_gotos): Likewise.
        (c_check_switch_jump_warnings): Likewise.

2011-01-25  Jonathan Wakely  <jwakely.gcc@gmail.com>

        * doc/invoke.texi (Warning Options): Add missing hyphen.
        (-fprofile-dir): Minor grammatical fixes.
        (-fbranch-probabilities): Likewise.

2011-01-25  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/45136
        PR debug/45130
        * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
        debug insns.
        (no_real_insns_p, schedule_block, set_priorities): Drop special
        treatment of boundary debug insns.
        * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
        * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
        * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
        (BOUNDARY_DEBUG_INSN_P): Likewise.
        (SCHEDULE_DEBUG_INSN_P): Likewise.
        * sched-rgn.c (init_ready_list): Drop special treatment of
        boundary debug insns.
        * final.c (rest_of_clean-state): Clear notes' BB.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * Makefile.in (LAMBDA_H): Removed.
        (TREE_DATA_REF_H): Remove dependence on LAMBDA_H.
        (OBJS-common): Remove dependence on lambda-code.o, lambda-mat.o,
        lambda-trans.o, and tree-loop-linear.o.
        (lto-symtab.o): Remove dependence on LAMBDA_H.
        (tree-loop-linear.o): Remove rule.
        (lambda-mat.o): Same.
        (lambda-trans.o): Same.
        (lambda-code.o): Same.
        (tree-vect-loop.o): Add missing dependence on TREE_DATA_REF_H.
        (tree-vect-slp.o): Same.
        * hwint.h (gcd): Moved here.
        (least_common_multiple): Same.
        * lambda-code.c: Removed.
        * lambda-mat.c: Removed.
        * lambda-trans.c: Removed.
        * lambda.h: Removed.
        * tree-loop-linear.c: Removed.
        * lto-symtab.c: Do not include lambda.h.
        * omega.c (gcd): Removed.
        * passes.c (init_optimization_passes): Remove pass_linear_transform.
        * tree-data-ref.c (print_lambda_vector): Moved here.
        (lambda_vector_copy): Same.
        (lambda_matrix_copy): Same.
        (lambda_matrix_id): Same.
        (lambda_vector_first_nz): Same.
        (lambda_matrix_row_add): Same.
        (lambda_matrix_row_exchange): Same.
        (lambda_vector_mult_const): Same.
        (lambda_vector_negate): Same.
        (lambda_matrix_row_negate): Same.
        (lambda_vector_equal): Same.
        (lambda_matrix_right_hermite): Same.
        * tree-data-ref.h: Do not include lambda.h.
        (lambda_vector): Moved here.
        (lambda_matrix): Same.
        (dependence_level): Same.
        (lambda_transform_legal_p): Removed declaration.
        (lambda_collect_parameters): Same.
        (lambda_compute_access_matrices): Same.
        (lambda_vector_gcd): Same.
        (lambda_vector_new): Same.
        (lambda_vector_clear): Same.
        (lambda_vector_lexico_pos): Same.
        (lambda_vector_zerop): Same.
        (lambda_matrix_new): Same.
        * tree-flow.h (least_common_multiple): Removed declaration.
        * tree-parloops.c (lambda_trans_matrix): Moved here.
        (LTM_MATRIX): Same.
        (LTM_ROWSIZE): Same.
        (LTM_COLSIZE): Same.
        (LTM_DENOMINATOR): Same.
        (lambda_trans_matrix_new): Same.
        (lambda_matrix_vector_mult): Same.
        (lambda_transform_legal_p): Same.
        * tree-pass.h (pass_linear_transform): Removed declaration.
        * tree-ssa-loop.c (tree_linear_transform): Removed.
        (gate_tree_linear_transform): Removed.
        (pass_linear_transform): Removed.
        (gate_graphite_transforms): Make flag_tree_loop_linear an alias of
        flag_loop_interchange.

2011-01-25  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/47265
        PR tree-optimization/47443
        * tree-ssa-forwprop.c (forward_propagate_addr_expr): Return false
        if name still has some uses.

2011-01-25  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/47382
        * gimple-fold.c (gimple_fold_obj_type_ref_call): Removed.
        (gimple_fold_call): Do not call gimple_fold_obj_type_ref_call.

2011-01-25  Joel Sherrill  <joel.sherrill@oarcorp.com>

        * config/m32r/m32r.c: Define TARGET_EXCEPT_UNWIND_INFO to
        sjlj_except_unwind_info.

2011-01-25  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47426
        * tree-ssa-structalias.c (ipa_pta_execute): Make externally
        visible functions results escape.

2011-01-25  Jakub Jelinek  <jakub@redhat.com>

        PR target/45701
        * config/arm/arm.c (any_sibcall_uses_r3): New function.
        (arm_get_frame_offsets): Use it.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/47271
        * tree-if-conv.c (bb_postdominates_preds): New.
        (if_convertible_bb_p): Call bb_postdominates_preds.
        (if_convertible_loop_p_1): Compute CDI_POST_DOMINATORS.
        (predicate_scalar_phi): Call bb_postdominates_preds.

2011-01-25  Nick Clifton  <nickc@redhat.com>

        * config/rx/rx.h (LIBCALL_VALUE): Do not promote complex types.
        * config/rx/rx.c (rx_function_value): Likewise.
        (rx_promote_function_mode): Likewise.
        (gen_safe_add): Place an outsized immediate value inside an UNSPEC
        in order to make it legitimate.
        * config/rx/rx.md (adddi3_internal): If the second operand is a MEM
        make sure that the first operand is the same as the result register.
        (addsi3_unspec): Delete.
        (subdi3): Do not accept immediate operands.
        (subdi3_internal): Likewise.

2011-01-25  Jeff Law  <law@redhat.com>

        PR rtl-optimization/37273
        * ira-costs.c (scan_one_insn): Detect constants living in memory and
        handle them like argument loads from stack slots.  Do not double
        count memory for memory constants and argument loads from stack slots.

2011-01-25  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/47427
        PR tree-optimization/47428
        * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
        coalesce if the new root var would be TREE_READONLY.

2011-01-25  Richard Guenther  <rguenther@suse.de>

        PR middle-end/47414
        * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Use the
        correct type for TBAA.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (dr_indices_valid_in_loop): New.
        (close_phi_written_to_memory): Call for_each_index with
        dr_indices_valid_in_loop.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (new_pbb_from_pbb): Only copy PBB_DOMAIN
        when it is initialized.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-scop-detection.c (stmt_has_simple_data_refs_p): Update
        call to graphite_find_data_references_in_stmt.
        * graphite-sese-to-poly.c (outermost_loop_in_sese_1): New.
        (try_generate_gimple_bb): Call outermost_loop_in_sese_1.  Update
        call to graphite_find_data_references_in_stmt.
        (analyze_drs_in_stmts): Same.
        * tree-data-ref.c (dr_analyze_indices): Pass in parameter the loop
        in which the scalar analysis of indices is performed.
        (create_data_ref): Same.  Update call to dr_analyze_indices.
        (find_data_references_in_stmt): Update call to create_data_ref.
        (graphite_find_data_references_in_stmt): Same.
        * tree-data-ref.h (graphite_find_data_references_in_stmt): Update
        declaration.
        (create_data_ref): Same.
        * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Update
        call to create_data_ref.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (build_poly_scop): Move
        rewrite_commutative_reductions_out_of_ssa before find_scop_parameters.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (close_phi_written_to_memory): Also allow
        VAR_DECL, PARM_DECL, and RESULT_DECL.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (reduction_dr_1): Allow several reductions
        in a reduction PBB.
        * graphite-sese-to-poly.c (split_reduction_stmt): Do not split PBBs
        that have already been marked as PBB_IS_REDUCTION.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-scop-detection.c (same_close_phi_node): New.
        (remove_duplicate_close_phi): New.
        (make_close_phi_nodes_unique): New.
        (canonicalize_loop_closed_ssa): Call make_close_phi_nodes_unique.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (new_poly_ddr): Call same_pdr_p.
        * graphite-poly.h (same_pdr_p): Do not expect that the PDR_TYPE
        of both data references to be the same.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (build_lexicographical_constraint): Remove
        the gdim parameter.
        (build_lexicographical_constraint): Adjust call to
        ppl_powerset_is_empty.
        (dependence_polyhedron): Same.
        (graphite_legal_transform_dr): Same.
        (graphite_carried_dependence_level_k): Same.
        * graphite-ppl.c (ppl_powerset_is_empty): Remove the nb_params
        parameter.
        * graphite-ppl.h (ppl_powerset_is_empty): Adjust declaration.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c
        (translate_scalar_reduction_to_array_for_stmt): Call unshare_expr.
        (close_phi_written_to_memory): New.
        (translate_scalar_reduction_to_array): Call close_phi_written_to_memory
        and unshare_expr.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * doc/install.texi: Update the expected version number of PPL to 0.11.
        * graphite-ppl.c (ppl_powerset_is_empty): Remove now dead code under
        #if PPL_VERSION_MINOR < 11.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c: Include graphite-cloog-util.h.
        (new_poly_ddr): Inlined into dependence_polyhedron.
        (free_poly_ddr): Moved close by new_poly_ddr.
        (dependence_polyhedron_1): Renamed dependence_polyhedron.
        Early return NULL when ppl_powerset_is_empty returns true.
        (dependence_polyhedron): Renamed new_poly_ddr.  Call only once
        poly_drs_may_alias_p.  Avoid one call to ppl_powerset_is_empty.
        (graphite_legal_transform_dr): Call new_poly_ddr.
        (graphite_carried_dependence_level_k): Same.
        (dot_original_deps_stmt_1): Renamed dot_deps_stmt_2.  Use new_poly_ddr.
        (dot_transformed_deps_stmt_1): Removed.
        (dot_deps_stmt_1): Call dot_deps_stmt_2.
        (dot_original_deps): Renamed dot_deps_2.  Call new_poly_ddr.
        (dot_deps_1): Call dot_deps_2.
        * Makefile.in (graphite-dependences.o): Add missing dependence on
        graphite-cloog-util.h.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (new_poly_dr): Call ppl_powerset_is_empty.
        (build_lexicographical_constraint): Same.
        (dependence_polyhedron_1): Same.
        (graphite_legal_transform_dr): Same.
        (graphite_carried_dependence_level_k): Same.
        * graphite-ppl.c (ppl_powerset_is_empty): New.
        * graphite-ppl.h (ppl_powerset_is_empty): Declared.
        * tree-data-ref.c (dump_data_reference): Print the basic block index.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (build_pairwise_scheduling): Correctly compute
        the "a followed by b" relation and document it.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (build_lexicographical_constraint): Stop the
        iteration when the bag of constraints is empty.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (pbb_remove_duplicate_pdrs): Make it work.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-interchange.c (lst_interchange_profitable_p): Takes a loop
        nest and two loop depths as parameters.
        (lst_try_interchange_loops): Call lst_interchange_profitable_p after
        lst_perfect_nestify.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (print_pddr): Call
        ppl_io_fprint_Pointset_Powerset_C_Polyhedron.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-ppl.c (debug_gmp_value): New.
        * graphite-ppl.h (debug_gmp_value): Declared.

2011-01-25  Tobias Grosser  <grosser@fim.uni-passau.de>

        * doc/install.texi: Document availability of cloog-0.16.

2011-01-25  Vladimir Kargov  <kargov@gmail.com>

        * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Free
        invalid postdominance info.

2011-01-24  Jan Hubicka  <jh@suse.cz>

        PR c/21659
        * doc/extend.texi (weak pragma): Drop claim that it must
        appear before definition.
        * varasm.c (merge_weak, declare_weak): Only sanity check
        that DECL is not output at a time it is declared weak.

2011-01-24  Kenneth Zadeck  <zadeck@naturalbridge.com>

        * machmode.def: Fixed comments.

2011-01-24  Kai Tietz  <kai.tietz@onevision.com>

        * emit-rtl.c (reg_attrs_htab_hash): Replace long by intptr_t.

2011-01-24  Paul Koning  <ni1d@arrl.net>

        * builtins.c (c_readstr): Fix byte order if BYTES_BIG_ENDIAN !=
        WORDS_BIG_ENDIAN.

2011-01-24  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/46519
        * config/i386/i386.c: Include sbitmap.h and fibheap.h.
        (block_info): Add scanned and prev.
        (move_or_delete_vzeroupper_2): Return if the basic block
        has been scanned and the upper 128bit state is unchanged
        from the last scan.
        (move_or_delete_vzeroupper_1): Return true if the exit
        state is changed.
        (move_or_delete_vzeroupper): Visit basic blocks using the
        work-list based algorithm based on vt_find_locations in
        var-tracking.c.

        * config/i386/t-i386: Also depend on sbitmap.h and $(FIBHEAP_H).

2011-01-24  Nick Clifton  <nickc@redhat.com>

        * config/v850/v850.opt (mv850es): New option - alias for -mv850e1.
        * config/v850/v850.h (ASM_SPEC): If -mv850es is specified pass
        -mv850e1 to the assembler.  If -mv850e1 or -mv850es is specified
        then define __v850e1__.
        * doc/invoke.texi: Document -mv850es.

2011-01-24  Richard Henderson  <rth@redhat.com>

        * config/rx/predicates.md (rx_fp_comparison_operator): Don't accept
        compound unordered comparisons.
        * config/rx/rx.c (rx_split_fp_compare): Remove.
        * config/rx/rx-protos.h: Update.
        * config/rx/rx.md (gcc_conds, rx_conds): Remove.
        (cbranchsf4): Don't call rx_split_fp_compare.
        (*cbranchsf4): Use rx_split_cbranch.
        (*cmpsf): Don't accept "i" constraint.
        (*conditional_branch): Only valid after reload.
        (cstoresf4): Merge expander with insn.  Don't call rx_split_fp_compare.

2011-01-24  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/47385
        * config/rs6000/altivec.md (vector constant splitters): Add
        support for creating vector single precision constants if -mvsx is
        used and we would create the constant using Altivec primitives.

2011-01-23  Bernd Schmidt  <bernds@codesourcery.com>
            Richard Sandiford  <rdsandiford@googlemail.com>

        PR rtl-optimization/47166
        * reload1.c (emit_reload_insns): Disable the spill_reg_store
        mechanism for PRE_MODIFY and POST_MODIFY.
        (inc_for_reload): For PRE_MODIFY, return the insn that sets the
        reloadreg.

2011-01-23  Andreas Schwab  <schwab@linux-m68k.org>

        * compare-elim.c (maybe_select_cc_mode): Add ATTRIBUTE_UNUSED markers.

2011-01-22  Jan Hubicka  <jh@suse.cz>

        PR lto/47333
        * lto-cgraph.c (reachable_from_this_partition_p): Fix pasto.

2011-01-22  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/43884
        PR lto/44334
        * predict.c (maybe_hot_frequency_p): Use entry block frequency as base.
        * doc/invoke.texi (hot-bb-frequency-fraction): Update docs.

2011-01-22  Anatoly Sokolov  <aesok@post.ru>

        * config/s390/s390.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
        * config/s390/s390.c (s390_register_move_cost,
        s390_memory_move_cost): New.
        (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.

2011-01-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        PR middle-end/47401
        * except.c (sjlj_assign_call_site_values): Move setting the
        crtl->uses_eh_lsda flag to ...
        (sjlj_mark_call_sites): ... here.
        (sjlj_emit_function_enter): Support NULL dispatch label.
        (sjlj_build_landing_pads): In a function with no landing pads
        that still has must-not-throw regions, generate code to register
        a personality function with empty LSDA.

2011-01-21  Richard Henderson  <rth@redhat.com>

        * config/rx/rx.c (TARGET_FLAGS_REGNUM): New.

        * config/mn10300/mn10300.c (TARGET_FLAGS_REGNUM): New.

        * compare-elim.c: New file.
        * Makefile.in (OBJS-common): Add it.
        (compare-elim.o): New.
        * common.opt (fcompare-elim): New.
        * opts.c (default_options_table): Add OPT_fcompare_elim.
        * tree-pass.h (pass_compare_elim_after_reload): New.
        * passes.c (init_optimization_passes): Add it.
        * recog.h: Protect against re-inclusion.
        * target.def (TARGET_FLAGS_REGNUM): New POD hook.
        * doc/invoke.texi (-fcompare-elim): Document it.
        * doc/tm.texi.in (TARGET_FLAGS_REGNUM): Document it.
        * doc/tm.texi: Rebuild.

2011-01-22  Nick Clifton  <nickc@redhat.com>

        * config/rx/rx.md (cstoresf4): Pass comparison operator to
        rx_split_fp_compare.

2011-01-22  Nick Clifton  <nickc@redhat.com>

        * config/rx/rx.md (UNSPEC_CONST): New.
        (deallocate_and_return): Wrap the amount popped off the stack in
        an UNSPEC_CONST in order to stop it being rejected by
        -mmax-constant-size.
        (pop_and_return): Add a "(return)" rtx.
        (call): Drop the immediate operand.
        (call_internal): Likewise.
        (call_value): Likewise.
        (call_value_internal): Likewise.
        (sibcall_internal): Likewise.
        (sibcall_value_internal): Likewise.
        (sibcall): Likewise.  Generate an explicit call using
        sibcall_internal.
        (sibcall_value): Likewise.
        (mov<>): FAIL if a constant operand is not legitimate.
        (addsi3_unpsec): New pattern.

        * config/rx/rx.c (rx_print_operand_address): Handle UNSPEC CONSTs.
        (ok_for_max_constant): New function.
        (gen_safe_add): New function.
        (rx_expand_prologue): Use gen_safe_add.
        (rx_expand_epilogue): Likewise.
        (rx_is_legitimate_constant): Use ok_for_max_constant.  Handle
        UNSPEC CONSTs.

2011-01-21  Jeff Law  <law@redhat.com>

        PR tree-optimization/47053
        * tree-ssa-dse.c (need_eh_cleanup): New bitmap.
        (dse_optimize_stmt): Set the appropriate bit in NEED_EH_CLEANUP when
        statements are deleted.
        (tree_ssa_dse): Allocate & free NEED_EH_CLEANUP.  If NEED_EH_CLEANUP
        is nonempty, then purge dead edges and cleanup the CFG.

2011-01-21  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/47402
        Temporarily revert:
        2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
        PR debug/47106
        * tree-dfa.c (create_var_ann): Mark variable as used.

2011-01-21  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/45566
        * except.c (convert_to_eh_region_ranges): Emit queued no-region
        notes from other section in hot/cold partitioning even if
        last_action is -3.  Increment call_site_base.

        PR rtl-optimization/47366
        * fwprop.c (forward_propagate_into): Return bool.  If
        any changes are made, -fnon-call-exceptions is used and
        REG_EH_REGION note is present, call purge_dead_edges
        and return true if it purged anything.
        (fwprop_addr): Adjust callers, call cleanup_cfg (0) if
        any EH edges were purged.

2011-01-21  Jeff Law  <law@redhat.com>

        PR rtl-optimization/41619
        * caller-save.c (setup_save_areas): Break out code to determine
        which hard regs are live across calls by examining the reload chains
        so that it is always used.
        Eliminate code which checked REG_N_CALLS_CROSSED.

2011-01-21  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/47355
        * tree-eh.c (cleanup_empty_eh_merge_phis): Give up if
        NOP has non-debug uses beyond PHIs in new_bb.

2011-01-21  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/47106
        * cfgexpand.c (account_used_vars_for_block): Only account vars
        that are annotated as used.
        (estimated_stack_frame_size): Don't set TREE_USED.
        * tree-dfa.c (create_var_ann): Mark variable as used.

2011-01-21  Richard Guenther  <rguenther@suse.de>

        PR middle-end/47395
        * tree.def (WIDEN_MULT_MINUS_EXPR): Fix printed name.

2011-01-21  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47365
        * tree-ssa-sccvn.h (vn_lookup_kind): Declare.
        (vn_reference_lookup_pieces): Adjust.
        (vn_reference_lookup): Likewise.
        * tree-ssa-sccvn.c (vn_walk_kind): New static global.
        (vn_reference_lookup_3): Only look through kills if in
        VN_WALKREWRITE mode.
        (vn_reference_lookup_pieces): Adjust.
        (vn_reference_lookup): Likewise.
        (visit_reference_op_load): Likewise.
        (visit_reference_op_store): Likewise.
        * tree-ssa-pre.c (phi_translate_1): Use VN_WALK mode.
        (compute_avail): Likewise.
        (eliminate): Likewise.

2011-01-21  Jakub Jelinek  <jakub@redhat.com>

        * tree-ssa-live.c (remove_unused_scope_block_p): Don't remove
        DECL_IGNORED_P non-reg vars if they are used.

        PR tree-optimization/47391
        * varpool.c (const_value_known_p): Return false if
        decl is volatile.

2011-01-21  Kai Tietz  <kai.tietz@onevision.com>

        PR bootstrap/47215
        * config/i386/i386.c (ix86_local_alignment): Handle
        case for va_list_type_node is nil.
        (ix86_canonical_va_list_type): Likewise.

2011-01-21  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Add
        builtin_define __CMODEL_MEDIUM__ and __CMODEL_LARGE__.

2011-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/arm.md (define_attr type): Rename f_load
        and f_store to f_fpa_load and f_fpa_store. Update.
        (write_conflict): Deal with rename fallout.
        (*push_fp_multi): Likewise.
        * config/arm/fpa.md (f_load): Use f_fpa_load.
        (f_store): Use f_fpa_store.
        (*movsf_fpa): Likewise.
        (*movdf_fpa): Likewise.
        (*movxf_fpa): Likewise.
        (*thumb2_movsf_fpa): Likewise.
        (*thumb2_movdf_fpa): Likewise.
        (*thumb2_movxf_fpa): Likewise.
        * config/arm/vfp.md (*thumb2_movdf_vfp): Fix attribute to
        f_loadd and f_stored.
        (*thumb2_movdi_vfp): Likewise.
        (*thumb2_movsf_vfp): Fix attribute to f_loads.
        (*thumb2_movsi_vfp): Likewise.
        * config/arm/cortex-m4-fpu.md (cortex_m4_f_load):
        Use f_loads instead of f_load.
        * config/arm/cortex-a5.md (cortex_a5_f_loads): Remove f_load.

2011-01-20  Anatoly Sokolov  <aesok@post.ru>

        * config/xtensa/xtensa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
        * config/xtensa/xtensa-protos.h (constantpool_address_p): Remove.
        * config/xtensa/xtensa.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
        (xtensa_mode_dependent_address_p): New function.
        (constantpool_address_p): Make static. Change return type to bool.
        Change argument type to const_rtx. Use CONST_INT_P predicate.

2011-01-20  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/46583
        * tree-ssa-live.c (remove_unused_scope_block_p): Keep type decls.

2011-01-20  Jakub Jelinek  <jakub@redhat.com>

        PR debug/47283
        * cfgexpand.c (expand_debug_expr): Instead of generating
        (mem (debug_implicit_ptr)) for MEM_REFs use COMPONENT_REF
        etc. handling.

2011-01-20  Richard Guenther  <rguenther@suse.de>

        PR middle-end/47370
        * tree-inline.c (remap_gimple_op_r): Recurse manually for
        the pointer operand of MEM_REFs.

2011-01-20  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/46130
        * ipa-split.c (consider_split): If return_bb contains non-virtual
        PHIs other than for retval or if split_function would not adjust it,
        refuse to split.

2011-01-20  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47167
        * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
        Revert previous change, only avoid enumeral type changes.

2011-01-19  Mike Stump  <mikestump@comcast.net>

        * doc/tm.texi.in (BRANCH_COST): Englishify.
        * doc/tm.texi (BRANCH_COST): Likewise.

2011-01-19  Dodji Seketeli  <dodji@redhat.com>

        PR c++/47291
        * dwarf2out.c (generic_type_p, schedule_generic_params_dies_gen)
        (gen_scheduled_generic_parms_dies): New functions.
        (gen_struct_or_union_type_die): Schedule template parameters DIEs
        generation for the end of CU compilation.
        (dwarf2out_finish): Generate template parameters DIEs here.

2011-01-19  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/46240
        * tree-into-ssa.c (maybe_register_def): Do not attempt to add
        debug bind stmt on merge edges.

2011-01-19  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/47079
        PR debug/46724
        * function.c (instantiate_expr): Instantiate incoming rtl of
        implicit arguments, and recurse on VALUE_EXPRs.
        (instantiate_decls): Instantiate rtl and VALUE_EXPR of result.
        * var-tracking.c (adjust_mems): Reject virtual_incoming_args_rtx.

2011-01-19  Alexandre Oliva  <aoliva@redhat.com>

        * c-parser.c (c_parser_for_statement): Initialize
        collection_expression.

2011-01-19  Joseph Myers  <joseph@codesourcery.com>

        * config/spu/spu-elf.h (ASM_SPEC): Remove %{w:-W}.

2011-01-19  Joseph Myers  <joseph@codesourcery.com>

        * config/rs6000/sysv4.h (LINK_PATH_SPEC): Remove.
        (LINK_SHLIB_SPEC): Don't use %(link_path).
        (SUBTARGET_EXTRA_SPECS): Remove link_path.

2011-01-19  Joseph Myers  <joseph@codesourcery.com>

        * config/rs6000/sysv4.h (SHARED_LIB_SUPPORT): Remove conditional.
        (NO_SHARED_LIB_SUPPORT): Remove.
        (LINK_SHLIB_SPEC): Remove one conditional definition.

2011-01-19  Joseph Myers  <joseph@codesourcery.com>

        * config/mips/linux64.h (LINK_SPEC): Remove %{non_shared}
        %{call_shared}.
        * config/mips/mips.h (LINK_SPEC): Remove %{non_shared}.
        * config/mips/netbsd.h (LINK_SPEC): Remove %{call_shared}.
        * config/mips/openbsd.h (LINK_SPEC): Remove %{non_shared}
        %{call_shared} and conditionals on these options not being passed.
        * config/mips/sde.h (LINK_SPEC): Remove %{non_shared}
        %{call_shared}.

2011-01-19  Jakub Jelinek  <jakub@redhat.com>

        * ipa-split.c (find_return_bb): Use single_pred_p/single_pred_edge,
        simplify.

        * ipa-split.c: Spelling fixes.

2011-01-19  Richard Henderson  <rth@redhat.com>

        * config/mn10300/mn10300.md (mulsi3): Use reg_or_am33_const_operand.
        (*mulsi3): Likewise.

        * longlong.h [__mn10300__] (count_leading_zeros): New.
        [__mn10300__] (umul_ppmm, smul_ppmm): New.
        [__mn10300__] (add_ssaaaa, subddmmss): New.
        [__mn10300__] (udiv_qrnnd, sdiv_qrnnd): New.
        [__mn10300__] (UMUL_TIME, UDIV_TIME): New.

2011-01-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.h (MOVE_RATIO): Return 4 in the !speed case.

2011-01-19  Richard Henderson  <rth@redhat.com>

        * config/mn10300/mn10300.md (addsi3_flags): New.
        (addc_internal, adddi3, adddi3_internal, *adddi3_degenerate): New.
        (subsi3_flags, subc_internal, subdi3): New.
        (subdi3_internal, *subdi3_degenerate): New.
        * config/mn10300/predicates.md (reg_or_am33_const_operand): New.

        * config/mn10300/mn10300.c (mn10300_can_use_retf_insn): New.
        (mn10300_can_use_rets_insn): Rename from mn10300_can_use_return_insn.
        (mn10300_expand_epilogue): Use it.  Compute REG_SAVE_BYTES once.
        * config/mn10300/mn10300-protos.h: Update.
        * config/mn10300/mn10300.md (return): Use mn10300_can_use_retf_insn.
        (return_ret): Likewise.  Rename from return_internal_regs.
        (return_internal): Remove.

        * config/mn10300/mn10300.c (mn10300_unspec_int_label_counter): Remove.
        (mn10300_asm_output_addr_const_extra): Don't handle UNSPEC_INT_LABEL.
        (mn10300_legitimate_constant_p): Likewise.
        (mn10300_can_use_return_insn): Use mn10300_initial_offset.
        (mn10300_frame_size): New.
        (mn10300_expand_prologue): Use it.
        (mn10300_expand_epilogue): Likewise.
        (mn10300_initial_offset): Likewise.
        * config/mn10300/mn10300-protos.h: Update.
        * config/mn10300/mn10300.h (mn10300_unspec_int_label_counter): Remove.
        * config/mn10300/mn10300.md (UNSPEC_INT_LABEL): Remove.
        (prologue, epilogue, return_internal): Tidy output code.
        (mn10300_store_multiple_operation, return): Likewise.
        (int_label, pop_pic_reg, GOTaddr2picreg): Remove.
        (am33_loadPC, mn10300_loadPC, call_next_insn): Remove.
        (add_GOT_to_pic_reg, add_GOT_to_any_reg): Remove.
        (load_pic, am33_load_pic): New.
        (mn10300_load_pic0, mn10300_load_pic1): New.

        * config/mn10300/mn10300-modes.def (CCZN, CCZNC): New modes.
        * config/mn10300/mn10300.c (CC_FLAG_Z): New.
        (CC_FLAG_N, CC_FLAG_C, CC_FLAG_V): New.
        (cc_flags_for_mode, cc_flags_for_code): New.
        (mn10300_print_operand) ['B']: Use nc/ns for GE/LT when the
        overflow flag is not valid.  Validate that the flags we need
        for the comparison are valid.
        (mn10300_output_cmp): Remove.
        (mn10300_output_add): New.
        (mn10300_select_cc_mode): Use cc_flags_for_code.
        (mn10300_split_cbranch): New.
        (mn10300_match_ccmode): New.
        (mn10300_split_and_operand_count): New.
        * config/mn10300/mn10300.h (SELECT_CC_MODE): Pass all of the arguments
        to the function.
        * config/mn10300/mn10300.md (*am33_addsi3, *mn10300_addsi3): Merge...
        (addsi3): ... here.  Use mn10300_output_add.
        (*addsi3_flags): New.
        (*am33_subsi3, *mn10300_subsi3): Merge...
        (subsi3): ... here.  Use attribute isa.
        (*subsi3_flags): New.
        (negsi2): Rewrite from expander to insn_and_split.  Use NOT+INC
        when possible.
        (*am33_andsi3, *mn10300_andsi3): Merge...
        (andsi3): ... here.
        (*andsi3_flags): New.
        (andsi3 splitters): New.
        (*am33_iorsi3, *mn10300_iorsi3): Merge...
        (iorsi3): ... here.
        (*iorsi3_flags): New.
        (*am33_xorsi3, *mn10300_xorsi3): Merge...
        (xorsi3): ... here.
        (*xorsi3_flags): New.
        (*am33_cmpsi2, *mn10300_cmplsi2): Merge...
        (one_cmplsi2): ... here.
        (*one_cmplsi2_flags): New.
        (*cbranchsi4_cmp): Rename from cbranchsi4_post_reload.  Use "r"
        instead of "dax" in constraints.  Use mn10300_split_cbranch.
        (*cmpsi): Rename from cmpsi.  Do not use mn10300_output_cmp.  Do not
        use matching constraints to eliminate a self-comparison.
        (*integer_conditional_branch): Rename from integer_conditional_branch.
        Use int_mode_flags to match CC_REG.
        (*cbranchsi4_btst, *btstsi): New.
        (*cbranchsf4_cmp): Rename from *cbranchsf4_post_reload.  Use
        mn10300_split_cbranch.
        (*am33_cmpsf): Rename from am33_cmpsf.
        (*float_conditional_branch): Rename from float_conditional_branch.
        (*zero_extendqisi2_am33, *zero_extendqisi2_mn10300): Merge...
        (zero_extendqisi2): ... here.
        (*zero_extendhisi2_am33, *zero_extendhisi2_mn10300): Merge...
        (zero_extendhisi2): ... here.
        (*extendqisi2_am33, *extendqisi2_mn10300): Merge...
        (extendqisi2): ... here.
        (*extendhisi2_am33, *extendhisi2_mn10300): Merge...
        (extendhisi2): ... here.
        (*am33_ashlsi3, *mn10300_ashlsi3): Merge...
        (ashlsi3): ... here.
        (*am33_lshrsi3, *mn10300_lshrsi3): Merge...
        (lshrsi3): ... here.
        (*am33_ashrisi3, *mn10300_ashrsi3): Merge...
        (ashrsi3): ... here.
        (consecutive add peephole): Remove.
        * config/mn10300/predicates.md (label_ref_operand): New.
        (int_mode_flags): New.
        (CCZN_comparison_operator): New.

        * config/mn10300/mn10300.md (UNSPEC_EXT): New.
        (throughput_42_latency_43): New reservation.
        (mulsidi3, umulsidi3): New expanders.
        (mulsidi3_internal): Rewrite from old mulsidi3 pattern.  Expose
        the MDR register to allocation; separately allocate the low and
        high parts of the DImode result.
        (umulsidi3_internal): Similarly.
        (*am33_mulsi3, *mn10300_mulsi3): Merge into ...
        (*mulsi3): ... here.  Clobber MDR as a scratch as necessary.
        (udivsi3, umodsi3): Remove.
        (udivmodsi4, divmodsi4): New expanders.
        (*udivmodsi4): Rename from udivmodsi4.  Expose MDR properly.
        (*divmodsi4): Simiarly.
        (ext_internal): New.

        * config/mn10300/constraints.md ("z"): New constraint.
        * config/mn10300/mn10300.h (MDR_REGNUM): Remove.
        (FIXED_REGISTERS): Don't fix MDR.
        (CALL_USED_REGSITERS): Reformat nicely.
        (REG_ALLOC_ORDER): Add MDR.
        (enum regclass): Add MDR_REGS.
        (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update to match.
        (IRA_COVER_CLASSES): Add MDR_REGS.
        (REGNO_REG_CLASS): Handle MDR_REG.
        * config/mn10300/mn10300.c (mn10300_secondary_reload): Handle MDR_REGS.
        (mn10300_register_move_cost): Likewise.
        * config/mn10300/mn10300.md (MDR_REG): New.
        (*movsi_internal): Handle moves to/from MDR_REGS.

        * config/mn10300/mn10300.c (mn10300_print_operand_address): Handle
        POST_MODIFY.
        (mn10300_secondary_reload): Tidy combination reload classes.
        (mn10300_legitimate_address_p): Allow post-modify and reg+reg
        addresses for AM33.  Allow symbolic offsets for reg+imm.
        (mn10300_regno_in_class_p): New.
        (mn10300_legitimize_reload_address): New.
        * config/mn10300/mn10300.h (enum reg_class): Remove
        DATA_OR_ADDRESS_REGS, DATA_OR_EXTENDED_REGS, ADDRESS_OR_EXTENDED_REGS,
        SP_OR_EXTENDED_REGS, SP_OR_ADDRESS_OR_EXTENDED_REGS.  Add
        SP_OR_GENERAL_REGS.
        (REG_CLASS_NAMES): Update to match.
        (REG_CLASS_CONTENTS): Likewise.
        (INDEX_REG_CLASS): Use GENERAL_REGS for AM33.
        (BASE_REG_CLASS): Use SP_OR_GENERAL_REGS for AM33.
        (REGNO_IN_RANGE_P): Remove.
        (REGNO_DATA_P): Use mn10300_regno_in_class_p.
        (REGNO_ADDRESS_P, REGNO_EXTENDED_P): Likewise.
        (REGNO_STRICT_OK_FOR_BASE_P): Likewise.
        (REGNO_STRICT_OK_FOR_BIT_BASE_P): Likewise.
        (REGNO_STRICT_OK_FOR_INDEX_P): Likewise.
        (REGNO_SP_P, REGNO_AM33_P, REGNO_FP_P): Remove.
        (REGNO_GENERAL_P): New.
        (HAVE_POST_MODIFY_DISP): New.
        (USE_LOAD_POST_INCREMENT, USE_STORE_POST_INCREMENT): New.
        (LEGITIMIZE_RELOAD_ADDRESS): New.
        * config/mn10300/mn10300-protos.h: Update.

        * config/mn10300/mn10300.c (mn10300_preferred_reload_class): Allow
        DATA_REGS for AM33 stack-pointer destination.
        (mn10300_preferred_output_reload_class): Likewise.
        (mn10300_secondary_reload): Rearrange mn10300_secondary_reload_class
        into a form appropriate for ...
        (TARGET_SECONDARY_RELOAD): New.
        * config/mn10300/mn10300.h (SECONDARY_RELOAD_CLASS): Remove.
        * config/mn10300/mn10300-protos.h: Update.
        * config/mn10300/mn10300.md (reload_plus_sp_const): Rename from
        reload_insi; use the "A" constraint for the scratch; handle AM33
        moves of sp to non-address registers.

        * config/mn10300/mn10300.md (*am33_movqi, *mn10300_movqi): Merge into
        (*movqi_internal): ... here.
        (*am33_movhi, *mn10300_movhi): Merge into...
        (*movhi_internal): ... here.
        (*movsi_internal): Use "r" instead of "dax" in constraints.  Use "A"
        as the source/destination of moves from/to SP.
        (movsf): Only allow for AM33-2.
        (*movsf_internal): Use "r" instead of "dax"; use "F" instead of
        any integer constant constraint.  Only allow for AM33-2.  Tidy
        all of the alternative outputs.
        (movdi, movdf, *am33_2_movdf, *mn10300_movdf): Remove.
        (udivmodsi4): Delete expander and promote *udivmodsi4.  Disallow
        for MN103.
        (udivsi3, umodsi3): New patterns for MN103 only.

2011-01-19  Joern Rennecke  <amylaar@spamcop.net>

        * doc/tm.texi.in: Spell out that a lack of register class unions
        can lead to ICEs.
        * doc/tm.texi: Regenerate.

2011-01-19  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/47337
        * dce.c (check_argument_store): New function.
        (find_call_stack_args): Ignore debug insns.  Use check_argument_store.

        PR tree-optimization/47290
        * tree-eh.c (infinite_empty_loop_p): New function.
        (cleanup_empty_eh): Use it.

2011-01-18  Steve Ellcey  <sje@cup.hp.com>

        PR target/46997
        * ia64.c (ia64_expand_unpack): Fix code for TARGET_BIG_ENDIAN.
        (a64_expand_widen_sum): Ditto.
        * vect.md (mulv2si3): Disable for TARGET_BIG_ENDIAN.
        (vec_extract_evenodd_help): Ditto.
        (vec_extract_evenv4hi): Ditto.
        (vec_extract_oddv4hi): Ditto.
        (vec_extract_evenv2si): Ditto.
        (vec_extract_oddv2si): Ditto.
        (vec_extract_evenv2sf): Ditto.
        (vec_extract_oddv2sf): Ditto.
        (vec_pack_trunc_v4hi: Ditto.
        (vec_pack_trunc_v2si): Ditto.
        (vec_interleave_lowv8qi): Fix for TARGET_BIG_ENDIAN.
        (vec_interleave_highv8qi): Ditto.
        (mix1_r): Ditto.
        (vec_extract_oddv8qi): Ditto.
        (vec_interleave_lowv4hi): Ditto.
        (vec_interleave_highv4hi): Ditto.
        (vec_interleave_lowv2si): Ditto.
        (vec_interleave_highv2si): Ditto.

2011-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * doc/extend.texi: Mention __float128 support on hppa HP-UX.
        * config/pa/pa-hpux.h (HPUX_LONG_DOUBLE_LIBRARY): Define to 1.
        * config/pa/pa.c (pa_expand_builtin): New.  Include "langhooks.h".
        (pa_c_mode_for_suffix): New.
        (TARGET_EXPAND_BUILTIN): Define.
        (TARGET_C_MODE_FOR_SUFFIX): Define.
        (pa_builtins): Define.
        (pa_init_builtins): Register __float128 type and init new support
        builtins.
        * config/pa/pa.h (HPUX_LONG_DOUBLE_LIBRARY): Define if not defined.
        * config/pa/quadlib.c (_U_Qfcopysign): New.

2011-01-18  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/46894
        * explow.c (allocate_dynamic_stack_space): Do not assume more than
        BITS_PER_UNIT alignment if STACK_DYNAMIC_OFFSET or STACK_POINTER_OFFSET
        are defined.

2011-01-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        PR tree-optimization/47179
        * config/spu/spu.c (spu_ref_may_alias_errno): New function.
        (TARGET_REF_MAY_ALIAS_ERRNO): Define.

2011-01-18  Richard Guenther  <rguenther@suse.de>

        PR rtl-optimization/47216
        * emit-rtl.c: Include tree-flow.h.
        (set_mem_attributes_minus_bitpos): Use tree_could_trap_p instead
        of replicating it with different semantics.
        * Makefile.in (emit-rtl.o): Adjust.

2011-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/cortex-a9.md (cortex-a9-neon.md): Actually include.
        (cortex_a9_dp): Handle neon types correctly.

2011-01-18  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/47299
        * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: Don't use
        subtarget.  Use normal multiplication if both operands are constants.
        * expmed.c (expand_widening_mult): Don't try to optimize constant
        multiplication if op0 has VOIDmode.  Convert op1 constant to mode
        before using it.

2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/lto.texi (LTO): Ensure two spaces after period.  Fix
        spacing after 'e.g.', typos, comma, hyphenation.

2011-01-17  Richard Henderson  <rth@redhat.com>

        * config/rx/predicates.md (rx_constshift_operand): Use match_test.
        (rx_restricted_mem_operand): New.
        (rx_shift_operand): Use register_operand.
        (rx_source_operand, rx_compare_operand): Likewise.
        * config/rx/rx.md (addsi3_flags): New expander.
        (adddi3): Rewrite as expander.
        (adc_internal, *adc_flags, adddi3_internal): New patterns.
        (subsi3_flags): New expander.
        (subdi3): Rewrite as expander.
        (sbb_internal, *sbb_flags, subdi3_internal): New patterns.

        * config/rx/rx.c (RX_BUILTIN_SAT): Remove.
        (rx_init_builtins): Remove sat builtin.
        (rx_expand_builtin): Likewise.
        * config/rx/rx.md (ssaddsi3): New.
        (*sat): Rename from sat.  Represent the CC_REG input.

        * config/rx/predicates.md (rshift_operator): New.
        * config/rx/rx.c (rx_expand_insv): Remove.
        * config/rx/rx-protos.h: Update.
        * config/rx/rx.md (*bitset): Rename from bitset.  Swap the ashift
        operand to the canonical position.
        (*bitset_in_memory, *bitinvert, *bitinvert_in_memory): Similarly.
        (*bitclr, *bitclr_in_memory): Similarly.
        (*insv_imm, rx_insv_reg, *insv_cond, *bmcc, *insv_cond_lt): New.
        (insv): Retain the zero_extract in the expansion.

        * config/rx/rx.md (bswapsi2): Use = not + for output reload.
        (bswaphi2, bitinvert, revw): Likewise.

        * config/rx/rx.c (gen_rx_store_vector): Use VOIDmode for gen_rtx_SET.
        (gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise.
        * config/rx/rx.md (pop_and_return): Use VOIDmode for SET.
        (stack_push, stack_pushm, stack_pop, stack_popm): Likewise.
        (bitset, bitset_in_memory): Likewise.
        (bitinvert, bitinvert_in_memory): Likewise.
        (bitclr, bitclr_in_memory): Likewise.
        (insv, sync_lock_test_and_setsi, movstr, rx_movstr): Likewise.
        (rx_strend, rx_cmpstrn): Likewise.
        (rx_setmem): Likewise.  Make the source BLKmode to match the dest.
        (bitop peep2 patterns): Remove.

        * config/rx/rx.c (rx_match_ccmode): New.
        * config/rx/rx-protos.h: Update.
        * config/rx/rx.md (abssi2): Clobber, don't set flags.
        (addsi3, adddi3, andsi3, negsi2, one_cmplsi2, iorsi3): Likewise.
        (rotlsi3, rotrsi3, ashrsi3, lshrsi3, ashlsi3): Likewise.
        (subsi3, subdi3, xorsi3, addsf3, divsf3, mulsf3, subsf3): Likewise.
        (fix_truncsfsi2, floatsisf2): Likewise.
        (*abssi2_flags, *addsi3_flags, *andsi3_flags, *negsi2_flags): New.
        (*one_cmplsi2_flags, *iorsi3_flags, *rotlsi3_flags): New.
        (*rotrsi3_flags, *ashrsi3_flags, *lshrsi3_flags, *ashlsi3_flags): New.
        (*subsi3_flags, *xorsi3_flags): New.

        * config/rx/rx.md (cstoresf4, *cstoresf4): New patterns.

        * config/rx/rx.c (rx_print_operand): Remove workaround for
        unsplit comparison operations.

        * config/rx/rx.md (movsicc): Split after reload.
        (*movsicc): Merge *movsieq and *movsine via match_operator.
        (*stcc): New pattern.

        * config/rx/rx.c (rx_float_compare_mode): Remove.
        * config/rx/rx.h (rx_float_compare_mode): Remove.
        * config/rx/rx.md (cstoresi4): Split after reload.
        (*sccc): New pattern.

        * config/rx/predicates.md (label_ref_operand): New.
        (rx_z_comparison_operator): New.
        (rx_zs_comparison_operator): New.
        (rx_fp_comparison_operator): New.
        * config/rx/rx.c (rx_print_operand) [B]: Examine comparison modes.
        Validate that the flags are set properly for the comparison.
        (rx_gen_cond_branch_template): Remove.
        (rx_cc_modes_compatible): Remove.
        (mode_from_flags): New.
        (flags_from_code): Rename from flags_needed_for_conditional.
        (rx_cc_modes_compatible): Re-write in terms of flags_from_mode.
        (rx_select_cc_mode): Likewise.
        (rx_split_fp_compare): New.
        (rx_split_cbranch): New.
        * config/rx/rx.md (most_cond, zs_cond): Remove iterators.
        (*cbranchsi4): Use match_operator and rx_split_cbranch.
        (*cbranchsf4): Similarly.
        (*cbranchsi4_tst): Rename from *tstbranchsi4_<code>.  Use
        match_operator and rx_split_cbranch.
        (*cbranchsi4_tst_ext): Combine *tstbranchsi4m_eq and
        tstbranchsi4m_ne.  Use match_operator and rx_split_cbranch.
        (*cmpsi): Rename from cmpsi.
        (*tstsi): Rename from tstsi.
        (*cmpsf): Rename from cmpsf; use CC_Fmode.
        (*conditional_branch): Rename from conditional_branch.
        (*reveresed_conditional_branch): Remove.
        (b<code>): Remove expander.
        * config/rx/rx-protos.h: Update.

        * config/rx/rx.c (rx_compare_redundant): Remove.
        * config/rx/rx.md (cmpsi): Don't use it.
        * config/rx/rx-protos.h: Update.

        * config/rx/rx-modes.def (CC_F): New mode.
        * config/rx/rx.c (rx_select_cc_mode): New.
        * config/rx/rx.h (SELECT_CC_MODE): Use it.
        * config/rx/rx-protos.h: Update.

2011-01-17  Richard Henderson  <rth@redhat.com>

        * except.c (dump_eh_tree): Fix stray ; after for statement.

2011-01-17  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47313
        * tree-inline.c (tree_function_versioning): Move DECL_RESULT
        handling before copying the body.  Properly deal with
        by-reference result in SSA form.

2011-01-17  Ian Lance Taylor  <iant@google.com>

        PR target/47219
        * config/sparc/sparc.c (sparc_sr_alias_set): Don't define.
        (struct_value_alias_set): Don't define.
        (sparc_option_override): Don't set sparc_sr_alias_set and
        struct_value_alias_set.
        (save_or_restore_regs): Use gen_frame_mem rather than calling
        set_mem_alias_set.
        (sparc_struct_value_rtx): Likewise.

2011-01-17  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/47318
        * config/i386/avxintrin.h (_mm_maskload_pd): Change mask to __m128i.
        (_mm_maskstore_pd): Likewise.
        (_mm_maskload_ps): Likewise.
        (_mm_maskstore_ps): Likewise.
        (_mm256_maskload_pd): Change mask to __m256i.
        (_mm256_maskstore_pd): Likewise.
        (_mm256_maskload_ps): Likewise.
        (_mm256_maskstore_ps): Likewise.

        * config/i386/i386-builtin-types.def: Updated.
        (ix86_expand_special_args_builtin): Likewise.

        * config/i386/i386.c (bdesc_special_args): Update
        __builtin_ia32_maskloadpd, __builtin_ia32_maskloadps,
        __builtin_ia32_maskloadpd256, __builtin_ia32_maskloadps256,
        __builtin_ia32_maskstorepd, __builtin_ia32_maskstoreps,
        __builtin_ia32_maskstorepd256 and __builtin_ia32_maskstoreps256.

        * config/i386/sse.md (avx_maskload<ssemodesuffix><avxmodesuffix>):
        Use <avxpermvecmode> on mask register.
        (avx_maskstore<ssemodesuffix><avxmodesuffix>): Likewise.

2011-01-17  Olivier Hainque  <hainque@adacore.com>
            Michael Haubenwallner  <michael.haubenwallner@salomon.at>
            Eric Botcazou  <ebotcazou@adacore.com>

        PR target/46655
        * xcoffout.c (ASM_OUTPUT_LINE): Output line only if positive, and only
        if <= USHRT_MAX in 32-bit mode.

2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/install.texi (Configuration, Specific): Wrap long
        lines in examples.  Allow line wrapping in long options
        and URLs where beneficial for PDF output.

2011-01-16  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.c (mips_classify_symbol): Don't return
        SYMBOL_PC_RELATIVE for nonlocal labels.

2011-01-15  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sparc/sol2-bi.h (CC1_SPEC): Fix typo.

2011-01-15  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/47276
        * ipa.c (function_and_variable_visibility): Do not try to mark alias
        declarations as needed.

2011-01-15  Martin Jambor  <mjambor@suse.cz>

        * common.opt (fdevirtualize): New flag.
        * doc/invoke.texi (Option Summary): Document it.
        * opts.c (default_options_table): Add devirtualize flag.
        * ipa-prop.c (detect_type_change): Return immediately if
        devirtualize flag is not set.
        (detect_type_change_ssa): Likewise.
        (compute_known_type_jump_func): Likewise.
        (ipa_analyze_virtual_call_uses): Likewise.

2011-01-14  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/45934
        PR tree-optimization/46302
        * ipa-prop.c (type_change_info): New type.
        (stmt_may_be_vtbl_ptr_store): New function.
        (check_stmt_for_type_change): Likewise.
        (detect_type_change): Likewise.
        (detect_type_change_ssa): Likewise.
        (compute_complex_assign_jump_func): Check for dynamic type change.
        (compute_complex_ancestor_jump_func): Likewise.
        (compute_known_type_jump_func): Likewise.
        (compute_scalar_jump_functions): Likewise.
        (ipa_analyze_virtual_call_uses): Likewise.
        (ipa_analyze_node): Push and pop cfun, set current_function_decl.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/i386.h (CC1_CPU_SPEC_1): Don't handle -msse5.
        * config/i386/i386.opt (msse5): New Alias.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/sparc/linux.h (CC1_SPEC): Remove %{sun4:} %{target:}.
        * config/sparc/linux64.h (CC1_SPEC): Likewise.
        * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
        * config/sparc/sparc.h (CC1_SPEC): Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/sparc/linux.h (CC1_SPEC): Don't handle old equivalents of
        -mcpu options.
        * config/sparc/linux64.h (CC1_SPEC): Likewise.
        * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
        * config/sparc/sol2-bi.h (CPP_CPU_SPEC, CC1_SPEC): Likewise.
        * config/sparc/sparc.h (CPP_CPU_SPEC, CC1_SPEC, ASM_CPU_SPEC):
        Likewise.
        * config/sparc/t-elf (MULTILIB_MATCHES): Don't handle -mv8.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -fvec or -fvec-eabi.

2011-01-14  Mike Stump  <mikestump@comcast.net>

        * config/alpha/alpha.md (umk_mismatch_args): Don't put a mode on set.
        * config/fr30/fr30.md: Likweise
        (movsi_push): Likewise.
        (movsi_pop): Likewise.
        (enter_func): Likewise.
        * config/moxie/moxie.md (movsi_push): Likewise.
        (movsi_pop): Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/mips/linux64.h (LINK_SPEC): Remove %{bestGnum}
        %{no_archive} %{exact_version}.
        * config/mips/mips.h (LINK_SPEC): Remove %{bestGnum}.
        * config/mips/netbsd.h (LINK_SPEC): Remove %{bestGnum}
        %{no_archive} %{exact_version}.
        * config/mips/openbsd.h (LINK_SPEC): Likewise.
        * config/mips/sde.h (LINK_SPEC): Remove %{bestGnum}.
        * config/mips/vxworks.h: Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/microblaze/microblaze.h (ASM_SPEC): Remove %{microblaze1}.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/m32r/little.h (CPP_ENDIAN_SPEC, CC1_ENDIAN_SPEC,
        ASM_ENDIAN_SPEC, LINK_ENDIAN_SPEC): Remove.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/nwld.h (LINK_SPEC): Check -nodefaultlibs not
        -nodefaultlib.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/cris/cris.h (ASM_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check
        for mcpu not cpu.
        * config/cris/linux.h (CRIS_CPP_SUBTARGET_SPEC,
        CRIS_CC1_SUBTARGET_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check for mcpu
        not cpu.
        (CRIS_LINK_SUBTARGET_SPEC): Don't generate -rpath-link options.
        Don't handle -shlib.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/avr/avr.h (CPP_SPEC): Don't handle -posix.
        (CC1_SPEC): Don't handle -profile.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/microblaze/microblaze.h (CC1_SPEC): Remove -gline spec.
        * config/mips/mips.h (CC1_SPEC): Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/microblaze/microblaze.h (CC1_SPEC): Remove %{save-temps: }.
        * config/mips/mips.h (CC1_SPEC): Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/linux.h (LINK_SPEC): Don't use %{!ibcs:} conditional.
        * config/m32r/linux.h (LINK_SPEC): Likewise.
        * config/mips/linux.h (LINK_SPEC): Likewise.
        * config/mips/linux64.h (LINK_SPEC): Likewise.
        * config/sparc/linux.h (LINK_SPEC): Likewise.
        * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
        LINK_SPEC): Likewise.
        * config/xtensa/linux.h (LINK_SPEC): Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove
        %{version:-v}.
        * config/lm32/uclinux-elf.h (LINK_SPEC): Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/sparc/sp-elf.h (ASM_SPEC): Remove %{v:-V}.
        * config/sparc/sp64-elf.h (ASM_SPEC): Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove %{b}.

2011-01-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac (gcc_cv_ld_static_dynamic): Solaris 2 ld always
        supports -Bstatic/-Bdynamic.
        * configure: Regenerate.

2011-01-14  Jan Hubicka  <jh@suse.cz>
            Jack Howarth  <howarth@bromo.med.uc.edu>

        PR target/46037
        * config/darwin.c (darwin_override_options): Honor flag_gtoggle
        when checking debug_info_level. Test write_symbols instead of
        debug_hooks->var_location when setting flag_var_tracking_uninit.

2011-01-14  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47179
        * target.def (ref_may_alias_errno): New target hook.
        * targhooks.h (default_ref_may_alias_errno): Declare.
        * targhooks.c: Include tree-ssa-alias.h and tree-flow.h.
        (default_ref_may_alias_errno): New function.
        * target.h (struct ao_ref_s): Declare.
        * tree-ssa-alias.c: Include target.h.
        (call_may_clobber_ref_p_1): Use the ref_may_alias_errno target hook.
        * Makefile.in (tree-ssa-alias.o): Adjust dependencies.
        (targhooks.o): Likewise.
        * doc/tm.texi.in (TARGET_REF_MAY_ALIAS_ERRNO): Document.
        * doc/tm.texi (TARGET_REF_MAY_ALIAS_ERRNO): Copy documentation.

2011-01-14  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c  (new_var_info): Use DECL_HARD_REGISTER.

2011-01-14  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47280
        * tree-ssa-forwprop.c (associate_plusminus): Cleanup EH and
        return CFG changes.
        (tree_ssa_forward_propagate_single_use_vars): Deal with
        CFG changes from associate_plusminus.

2011-01-14  Richard Guenther  <rguenther@suse.de>

        PR middle-end/47281
        Revert
        2011-01-11  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/46076
        * tree-ssa.c (useless_type_conversion_p): Conversions from
        unprototyped to empty argument list function types are useless.

2011-01-14  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47286
        * tree-ssa-structalias.c (new_var_info): Register variables are global.

2011-01-14  Martin Jambor  <mjambor@suse.cz>

        PR middle-end/46823
        * tree-inline.c (expand_call_inline): Get fndecl from call graph edge.

2011-01-13  Anatoly Sokolov  <aesok@post.ru>

        * config/xtensa/xtensa.h (XTENSA_LIBCALL_VALUE, LIBCALL_VALUE,
        LIBCALL_OUTGOING_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
        * config/xtensa/xtensa.c (xtensa_libcall_value,
        xtensa_function_value_regno_p): New functions.
        (TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P): Define.

2011-01-13  Kai Tietz  <kai.tietz@onevision.com>

        PR c++/47213
        * config/i386/cygming.h (TARGET_ASM_ASSEMBLE_VISIBILITY):
        PE specific hook.
        * config/i386/i386-protos.h (i386_pe_assemble_visibility):
        New function prototype.
        * config/i386/winnt.c (i386_pe_assemble_visibility):
        Warn only if attribute was specified by user.

2011-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/47251
        * config/rs6000/rs6000.md (floatunsdidf2): Add check for hardware
        floating point.
        (floatunsdidf2_fcfidu): Ditto.

2011-01-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.c (print_operand_address): Replace 'error' with
        'output_operand_lossage'.
        (print_operand): Likewise.

2011-01-13  Jeff Law  <law@redhat.com>

        PR rtl-optimization/39077
        * doc/invoke.texi (max-gcse-insertion-ratio): Document.
        * params.h (MAX_GCSE_INSERTION_RATIO): Define.
        * params.def (PARAM_MAX_GCSE_INSERTION_RATIO): Define.
        * lcm.c (pre_edge_lcm): Properly initialize output sbitmaps.
        * gcse.c (prune_insertions_deletions): New function.
        (compute_pre_data): Use it.

2011-01-13  Dodji Seketeli  <dodji@redhat.com>

        PR debug/PR46973
        * dwarf2out.c (prune_unused_types_mark_generic_parms_dies): New
        static function.
        (prune_unused_types_mark): Use it.

2011-01-13  Andrey Belevantsev  <abel@ispras.ru>

        PR rtl-optimization/45352
        * sel-sched.c: Update copyright years.
        (reset_sched_cycles_in_current_ebb): Also recheck the DFA state
        in the advancing loop when we have issued issue_rate insns.

2011-01-12  Richard Henderson  <rth@redhat.com>

        * config/mn10300/mn10300.c (mn10300_md_asm_clobbers): New.
        (TARGET_MD_ASM_CLOBBERS): New.

        * config/mn10300/mn10300.c (mn10300_delegitimize_address): New.
        (TARGET_DELEGITIMIZE_ADDRESS): New.

        * config/mn10300/mn10300.md (UNSPEC_BSCH): New.
        (clzsi2, *bsch): New patterns.

        * config/mn10300/mn10300.md (INT): New mode iterator.
        (*mov<INT>_clr): New pattern, and peep2 to generate it.

        * config/mn10300/mn10300.c (mn10300_option_override): Force enable
        flag_split_wide_types.

        * config/mn10300/mn10300.c (mn10300_asm_trampoline_template): Remove.
        (mn10300_trampoline_init): Rewrite without a template, an immediate
        load and a direct branch.
        * config/mn10300/mn10300.h (TRAMPOLINE_SIZE): Reduce to 16.

2011-01-12  Anatoly Sokolov  <aesok@post.ru>

        * config/s390/s390.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
        * config/s390/s390-protos.h (s390_output_addr_const_extra): Remove.
        * config/s390/s390.c (s390_output_addr_const_extra): Make static.
        (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.

2011-01-12  Kai Tietz  <kai.tietz@onevision.com>

        PR debug/47209
        * dwarfout2.c (should_emit_struct_debug): Use TYPE_MAIN_VARIANT
        of type.

2011-01-12  Jan Hubicka  <jh@suse.cz>

        PR driver/47244
        * gcc.c (PLUGIN_COND): Update to disable plugin unless -flto is used.
        (PLUGIN_COND_CLOSE): New macro.
        (LINK_COMMAND_SPEC): Update to use PLUGIN_COND_CLOSE.

2011-01-12  Richard Guenther  <rguenther@suse.de>

        PR lto/47259
        * lto-streamer-out.c (output_gimple_stmt): Do not wrap
        register variables in a MEM_REF.

2011-01-12  Joseph Myers  <joseph@codesourcery.com>

        * config.gcc (arm*-*-linux*, bfin*-uclinux*, bfin*-linux-uclibc*,
        crisv32-*-linux* | cris-*-linux*, frv-*-*linux*, moxie-*-uclinux*,
        hppa*64*-*-linux*, hppa*-*-linux*, i[34567]86-*-linux* |
        i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu |
        i[34567]86-*-gnu* | i[34567]86-*-kopensolaris*-gnu,
        x86_64-*-linux* | x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu,
        ia64*-*-linux*, lm32-*-uclinux*, m32r-*-linux*, m32rle-*-linux*,
        m68k-*-uclinux*, m68k-*-linux*, microblaze*-linux*,
        mips64*-*-linux* | mipsisa64*-*-linux*, mips*-*-linux*,
        s390-*-linux*, s390x-*-linux*, sh*-*-linux*, sparc-*-linux*,
        sparc64-*-linux*, vax-*-linux*, xtensa*-*-linux*,
        am33_2.0-*-linux*): Use gnu-user.h before linux.h.
        * config/gnu-user.h: New.  Copied from linux.h.
        (LINUX_TARGET_STARTFILE_SPEC): Rename to
        GNU_USER_TARGET_STARTFILE_SPEC.
        (LINUX_TARGET_ENDFILE_SPEC): Rename to
        GNU_USER_TARGET_ENDFILE_SPEC.
        (LINUX_TARGET_CC1_SPEC): Rename to GNU_USER_TARGET_CC1_SPEC.
        (LINUX_TARGET_LIB_SPEC): Rename to GNU_USER_TARGET_LIB_SPEC.
        (OPTION_GLIBC, OPTION_UCLIBC, OPTION_BIONIC,
        LINUX_TARGET_OS_CPP_BUILTINS, CHOOSE_DYNAMIC_LINKER1,
        CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
        UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
        BIONIC_DYNAMIC_LINKER, BIONIC_DYNAMIC_LINKER32,
        BIONIC_DYNAMIC_LINKER64, LINUX_DYNAMIC_LINKER,
        LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64,
        TARGET_C99_FUNCTIONS, TARGET_HAS_SINCOS): Remove.
        * config/arm/linux-eabi.h (CC1_SPEC): Use
        GNU_USER_TARGET_CC1_SPEC.
        (LIB_SPEC): Use GNU_USER_TARGET_LIB_SPEC.
        (STARTFILE_SPEC): Use GNU_USER_TARGET_STARTFILE_SPEC.
        (ENDFILE_SPEC): Use GNU_USER_TARGET_ENDFILE_SPEC
        * config/linux.h (NO_IMPLICIT_EXTERN_C, ASM_APP_ON, ASM_APP_OFF,
        LINUX_TARGET_STARTFILE_SPEC, STARTFILE_SPEC,
        LINUX_TARGET_ENDFILE_SPEC, ENDFILE_SPEC, LINUX_TARGET_CC1_SPEC,
        CC1_SPEC, CPLUSPLUS_CPP_SPEC, LINUX_TARGET_LIB_SPEC, LIB_SPEC,
        LINK_EH_SPEC, LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Remove.

2011-01-12  Richard Guenther  <rguenther@suse.de>

        PR other/46946
        * doc/invoke.texi (ffast-math): Document it is turned on
        with -Ofast.

2011-01-12  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/47233
        * opts.c (common_handle_option): Disable ipa-reference with profile
        feedback.

2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-parser.c (c_parser_objc_at_property_declaration): Improved
        error message.

2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-parser.c (c_lex_one_token): Updated and reindented some
        comments.  No changes in code.

2011-01-11  Ian Lance Taylor  <iant@google.com>

        * godump.c (go_output_var): Don't output the variable if there is
        already a type with the same name.

2011-01-11  Ian Lance Taylor  <iant@google.com>

        * godump.c (go_format_type): Don't generate float80.

2011-01-11  Richard Henderson  <rth@redhat.com>

        * config/mn10300/mn10300.c (mn10300_address_cost): Remove forward
        declaration.  Rewrite for both speed and size.
        (mn10300_address_cost_1): Remove.
        (mn10300_register_move_cost): New.
        (mn10300_memory_move_cost): New.
        (mn10300_rtx_costs): Rewrite for both speed and size.  Don't handle
        ZERO_EXTRACT.  Do handle UNSPEC, arithmetic, logicals, compare,
        extensions, shifts, BSWAP, CLZ.
        (mn10300_wide_const_load_uses_clr): Remove.
        (TARGET_REGISTER_MOVE_COST): New.
        (TARGET_MEMORY_MOVE_COST): New.
        * config/mn10300/mn10300-protos.h: Update.
        * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Remove.

        * config/mn10300/constraints.md ("R", "T"): Remove constraints.
        * config/mn10300/mn10300.c (mn10300_mask_ok_for_mem_btst): Remove.
        * config/mn10300/mn10300-protos.h: Update.
        * config/mn10300/mn10300.md (movsi_internal): Don't use "R".
        (*byte_clear, *byte_set, *bit_clear1, *bit_clear2, *bit_set): Remove.
        (iorqi3, *am33_iorqi3, *mn10300_iorqi3): Remove.
        (*test_int_bitfield, *test_byte_bitfield): Remove.
        (*bit_test, *subreg_bit_test): Remove.
        * config/mn10300/predicates.md (const_8bit_operand): Remove.

        * config/mn10300/constraints.md ("c"): Rename from "A".
        ("A", "D"): New constraint letters.
        * config/mn10300/mn10300.md (fmasf4): Use the "c" constraint.
        (fmssf4, fnmasf4, fnmssf4): Likewise.

        * config/mn10300/mn10300.md (isa): New attribute.
        (enabled): New attribute.

        * config/mn10300/mn10300.md (absdf2, negdf2): Remove.
        (abssf2, negsf2): Define only for hardware fp.
        (sqrtsf2): Reformat.
        (addsf3, subsf3, mulsf3): Merge expander and insn.

        * config/mn10300/mn10300.h (ARG_PIONTER_CFA_OFFSET): New.
        (DEBUGGER_AUTO_OFFSET): Remove.
        (DEBUGGER_ARG_OFFSET): Remove.

        * config/mn10300/mn10300.c (mn10300_gen_multiple_store): Make static.
        Emit register stores with the same offsets as the hardware.
        (mn10300_store_multiple_operation): Don't check that the register
        save offsets are monotonic.
        * config/mn10300/mn10300-protos.h: Update.

        * config/mn10300/mn10300.h (ASM_PN_FORMAT): Delete.

        * config/mn10300/mn10300.h (INCOMING_RETURN_ADDR_RTX): Define
        in terms of the value on the stack, not the MDR register.

2011-01-11  Jan Hubicka  <jh@suse.cz>

        PR lto/45721
        PR lto/45375
        * tree.h (symbol_alias_set_t): Move typedef here from varasm.c
        (symbol_alias_set_destroy, symbol_alias_set_contains,
        propagate_aliases_backward): Declare.
        * lto-streamer-out.c (struct sets): New sturcture.
        (trivally_defined_alias): New function.
        (output_alias_pair_p): Rewrite.
        (output_unreferenced_globals): Fix output of alias pairs.
        (produce_symtab): Likewise.
        * ipa.c (function_and_variable_visibility): Set weak alias destination
        as needed in lto.
        * varasm.c (symbol_alias_set_t): Remove.
        (symbol_alias_set_destroy): Export.
        (propagate_aliases_forward, propagate_aliases_backward): New functions
        based on ...
        (compute_visible_aliases): ... this one; remove.
        (trivially_visible_alias): New
        (trivially_defined_alias): New.
        (remove_unreachable_alias_pairs): Rewrite.
        (finish_aliases_1): Reorganize code checking if alias is defined.
        * passes.c (rest_of_decl_compilation): Do not call assemble_alias when
        in LTO mode.

2011-01-11  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/46076
        * tree-ssa.c (useless_type_conversion_p): Conversions from
        unprototyped to empty argument list function types are useless.

2011-01-11  Richard Guenther  <rguenther@suse.de>

        PR middle-end/45235
        * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not mark
        volatile MEMs as MEM_READONLY_P.

2011-01-11  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47239
        * tree-ssa-ccp.c (get_value_from_alignment): Punt for FUNCTION_DECLs.

2011-01-11  Jeff Law  <law@redhat.com>

        PR tree-optimization/47086
        * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Do not record
        IVs from statements that might throw.

2011-01-10  Jan Hubicka  <jh@suse.cz>

        PR lto/45375
        * lto-cgraph.c (input_profile_summary): Remove overactive sanity check.

2011-01-10  Jan Hubicka  <jh@suse.cz>

        PR lto/45375
        * profile.c (read_profile_edge_counts): Ignore profile inconistency
        when correcting profile.

2011-01-10  Jan Hubicka  <jh@suse.cz>

        PR lto/46083
        * lto-streamer-out.c (pack_ts_function_decl_value_fields): Store
        DECL_FINI_PRIORITY.
        * lto-streamer-in.c (unpack_ts_function_decl_value_fields):
        Restore DECL_FINI_PRIORITY.

2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/gimple.texi: Fix quoting of multi-word return values in
        @deftypefn statements.  Ensure presence of return value.  Wrap
        overlong @deftypefn lines.
        (is_gimple_operand, is_gimple_min_invariant_address): Remove
        descriptions of removed functions.
        * doc/hostconfig.texi (Host Common): Wrap long line, fix quoting
        of multi-word return value in @deftypefn statement.

2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/gimple.texi (Temporaries, Operands, Compound Lvalues)
        (Conditional Expressions, Logical Operators)
        (Statement and operand traversals): Do not indent smallexample
        code.  Fix duplicate function argument in example.

2011-01-10  Jeff Law  <law@redhat.com>

        PR tree-optimization/47141
        * ipa-split.c (split_function): Handle case where we are
        returning a value and the return block has a virtual operand phi.

2011-01-10  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/47234
        * tree-pass.h (TODO_rebuild_cgraph_edges): New TODO.
        (pass_feedback_split_functions): Declare.
        * passes.c (init_optimization_passes): Add ipa-split as subpass of
        tree-profile.
        * ipa-split.c (gate_split_functions): Update comments; disable
        split-functions for profile_arc_flag and branch_probabilities.
        (gate_feedback_split_functions): New function.
        (execute_feedback_split_functions): New function.
        (pass_feedback_split_functions): New global var.

2011-01-10  H.J. Lu  <hongjiu.lu@intel.com>

        PR lto/46760
        * tree-inline.c (tree_can_inline_p): Check e->call_stmt before
        calling gimple_call_set_cannot_inline.

2011-01-10  Iain Sandoe  <iains@gcc.gnu.org>

        * config/darwin-sections.def: Remove unused section.

2011-01-10  Dave Korn  <dave.korn.cygwin@gmail.com>

        PR c++/47218
        * cgraphunit.c (assemble_thunk): Call resolve_unique_section.

2011-01-09  Nicola Pero  <nicola.pero@meta-innovation.com>

        PR objc/47232
        * c-parser.c (c_parser_declaration_or_fndef): Improved
        error message.

2011-01-09  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/winnt.c (i386_pe_start_function): Make sure
        to switch back to function's section.

2011-01-09  Iain Sandoe  <iains@gcc.gnu.org>

        PR gcc/46902
        PR testsuite/46912
        * plugin.c: Move include of dlfcn.h from here...
        * system.h: ... to here.

2011-01-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/cpp.texi (C++ Named Operators): Fix markup for header
        file name.
        * doc/cppinternals.texi (Top): Wrap node in @ifnottex to avoid
        two extra empty pages in PDF output.

2011-01-08  Nicola Pero  <nicola.pero@meta-innovation.com>

        PR objc/47078
        * c-parser.c (c_parser_objc_type_name): If the type is unknown,
        for error recovery purposes behave as if it was not specified so
        that the default type is usd.

2011-01-07  Jan Hubicka  <jh@suse.cz>

        PR tree-optmization/46469
        * ipa.c (function_and_variable_visibility): Clear needed flags on
        nodes with external decls; handle weakrefs merging correctly.

2011-01-07  Joseph Myers  <joseph@codesourcery.com>

        * opts.c (finish_options): Set opts->x_flag_opts_finished to true,
        not false.

2011-01-07  Jan Hubicka  <jh@suse.cz>

        * doc/invoke.texi (-flto, -fuse-linker-plugin): Update defaults
        and no longer claim that gold is required for linker plugin.
        * configure: Regenerate.
        * gcc.c (PLUGIN_COND): New macro.
        (LINK_COMMAND_SPEC): Use it.
        (main): Default to plugin enabled with HAVE_LTO_PLUGIN is set.
        * config.in (HAVE_LTO_PLUGIN): New.
        * configure.ac (--with-lto-plugin): New parameter; autodetect
        HAVE_LTO_PLUGIN.

2011-01-07  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/46367
        * ipa-inline.c (cgraph_clone_inlined_nodes): Use original function only
        when we can update original.
        (cgraph_mark_inline_edge): Sanity check.
        * ipa-prop.c (ipa_make_edge_direct_to_target): Sanity check.

2011-01-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.h (ASM_COMMENT_START): Define.

2011-01-07  H.J. Lu  <hongjiu.lu@intel.com>

        PR driver/42445
        * gcc.c (%>S): New.
        (SWITCH_KEEP_FOR_GCC): Likewise.
        (set_collect_gcc_options): Check SWITCH_KEEP_FOR_GCC.
        (do_spec_1): Handle "%>".

        * config/i386/i386.h (CC1_CPU_SPEC): Replace "%<" with "%>".

2011-01-07  Jakub Jelinek  <jakub@redhat.com>

        PR target/47201
        * config/i386/i386.c (ix86_delegitimize_address): If
        simplify_gen_subreg fails, return orig_x.

        PR bootstrap/47187
        * value-prof.c (gimple_stringop_fixed_value): Handle
        lhs of the call properly.

2011-01-07  Jan Hubicka  <jh@suse.cz>

        PR lto/45375
        * lto-opt.c (lto_reissue_options): Set flag_shlib.

2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>

        * target.def (function_switched_text_sections): New hook.
        * doc/tm.texi: Regenerated.
        * doc/tm.texi.in (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
        * final.c (default_function_switched_text_sections): New.
        (final_scan_insn): Call function_switched_text_sections when a
        mid-function section change occurs.
        * output.h (default_function_switched_text_sections): Declare.
        * config/darwin-protos.h (darwin_function_switched_text_sections):
        Likewise.
        * config/darwin.c (darwin_function_switched_text_sections): New.
        * config/darwin.h (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.

2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>

        * dwarf2out.c (gen_subprogram_die):  Add pubnames with code ranges for
        DWARF >= 3.  Add pubnames for the primary section and a reduced DIE for
        the secondary code fragment when outputting for DWARF == 2.

2011-01-07  Anatoly Sokolov  <aesok@post.ru>

        * config/xtensa/xtensa.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
        * config/xtensa/xtensa-protos.h (xtensa_output_addr_const_extra):
        Remove.
        * config/xtensa/xtensa.c (xtensa_output_addr_const_extra): Make static.
        (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.

2011-01-06  Eric Botcazou  <ebotcazou@adacore.com>

        PR debug/46704
        * dwarf2out.c (dwarf2out_finish): Output the debug_aranges section only
        when it is not empty.

2011-01-06  Changpeng Fang  <changpeng.fang@amd.com>

        Bobcat Enablement
        * config.gcc (i[34567]86-*-linux* | ...): Add btver1.
        (case ${target}): Add btver1.
        * config/i386/driver-i386.c (host_detect_local_cpu): Let
        -march=native recognize btver1 processors.
        * config/i386/i386-c.c (ix86_target_macros_internal): Add
        btver1 def_and_undef
        * config/i386/i386.c (struct processor_costs btver1_cost): New
        btver1 cost table.
        (m_BTVER1): New definition.
        (m_AMD_MULTIPLE): Includes m_BTVER1.
        (initial_ix86_tune_features): Add btver1 tune.
        (processor_target_table): Add btver1 entry.
        (static const char *const cpu_names): Add btver1 entry.
        (software_prefetching_beneficial_p): Add btver1.
        (ix86_option_override_internal): Add btver1 instruction sets.
        (ix86_issue_rate): Add btver1.
        (ix86_adjust_cost): Add btver1.
        * config/i386/i386.h (TARGET_BTVER1): New definition.
        (enum target_cpu_default): Add TARGET_CPU_DEFAULT_btver1.
        (enum processor_type): Add PROCESSOR_BTVER1.
        * config/i386/i386.md (define_attr "cpu"): Add btver1.

2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR target/43309
        * config/i386/i386.c (legitimize_tls_address)
        <TLS_MODEL_INITIAL_EXEC>: Handle TARGET_64BIT && TARGET_SUN_TLS.
        * config/i386/i386.md (UNSPEC_TLS_IE_SUN): Declare.
        (tls_initial_exec_64_sun): New pattern.

2011-01-06  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/invoke.texi (Overall Options): Improve wording and markup
        of the description of -wrapper.

2011-01-06  Joseph Myers  <joseph@codesourcery.com>

        * config/sol2.opt (G, YP,, Ym,, compat-bsd, pthread, pthreads,
        rdynamic, threads): New Driver options.

2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR target/38118
        * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Also switch to .bss
        if coming from .tdata.
        * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.

2011-01-06  Jan Hubicka  <jh@suse.cz>

        PR lto/47188
        * collect2.c (main): Do not enable LTOmode when plugin is active.

2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR other/45915
        * configure.ac (gcc_cv_as_gnu_unique_object): Only use ldd
        --version output if supported.
        * configure: Regenerate.

2011-01-06  Joseph Myers  <joseph@codesourcery.com>

        * config/linux-android.opt (tno-android-cc, tno-android-ld): New
        Driver options.

2011-01-06  Jakub Jelinek  <jakub@redhat.com>

        PR c/47150
        * c-convert.c (convert): When converting a complex expression
        other than COMPLEX_EXPR to a different complex type, ensure
        c_save_expr is called instead of save_expr, unless in_late_binary_op.
        * c-typeck.c (convert_for_assignment): Set in_late_binary_op also
        when converting COMPLEX_TYPE.

2011-01-06  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/47139
        * tree-vect-loop.c (vect_is_simple_reduction_1): Check that
        only the last reduction value is used outside the loop.  Update
        documentation.

2011-01-05  Joseph Myers  <joseph@codesourcery.com>

        * config/rtems.opt: New.
        * config.gcc (*-*-rtems*): Use rtems.opt.

2011-01-05  Changpeng Fang  <changpeng.fang@amd.com>

        * config/i386/i386.c (ix86_option_override_internal): Bulldozer
        processors do not support 3DNow instructions.

2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.c (spu_option_override): Set parameter
        PARAM_MAX_COMPLETELY_PEEL_TIMES to 4 instead of 1.

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

        * lto-wrapper.c (run_gcc): Default to WHOPR mode when none is specified
        at the command line.

2011-01-05  Martin Jambor  <mjambor@suse.cz>

        PR lto/47162
        * lto-cgraph.c (output_cgraph_opt_summary_p): Also check for thunk
        deltas on streamed outgoing edges.
        (output_node_opt_summary): Output info for outgoing edges only when
        the node is in new parameter set.
        (output_cgraph_opt_summary): New parameter set, passed to the two
        aforementioned functions.  Update its forward declaration and its
        callee too.

2011-01-05  Tom Tromey  <tromey@redhat.com>

        * c-parser.c (c_parser_omp_atomic): Pass location of assignment
        operator to c_finish_omp_atomic.
        * c-typeck.c (lvalue_or_else): Add 'loc' argument.
        (build_unary_op): Update.
        (build_modify_expr): Update.
        (build_asm_expr): Update.

2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.c (emit_nop_for_insn): Set INSN_LOCATOR for
        newly inserted insns.
        (pad_bb): Likewise.
        (spu_emit_branch_hint): Likewise.
        (insert_hbrp_for_ilb_runout): Likewise.
        (spu_machine_dependent_reorg): Call df_finish_pass after
        schedule_insns returns.

2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.c (spu_expand_prologue): Support -fstack-usage.

2011-01-05  Eric Botcazou  <ebotcazou@adacore.com>

        PR tree-optimization/47005
        * tree-sra.c (struct access): Add 'non_addressable' bit.
        (create_access): Set it for a DECL_NONADDRESSABLE_P field.
        (decide_one_param_reduction): Return 0 if the parameter is passed by
        reference and one of the accesses in the group is non_addressable.

2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>

        PR tree-optimization/47056
        * cgraphbuild.c (mark_address): Remove ATTRIBUTE_UNUSED markers.
        (mark_load): Likewise.  Handle FUNCTION_DECL specially.
        (mark_store): Likewise.  Pass STMT to ipa_record_reference.

2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>

        * dwarf2out.c (rtl_for_decl_init): Strip no-op conversions off the
        initializer.  Skip view conversions from aggregate types.

2011-01-04  Kai Tietz  <kai.tietz@onevision.com>

        PR bootstrap/47055
        * libgcov.c (gcov_exit): Check for HAS_DRIVE_SPEC.

2011-01-04  Philipp Thomas  <pth@suse.de>

        * config/microblaze/microbalse.opt (mxl-float-convert): Fix
        obvious typo.

2011-01-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * function.c (thread_prologue_and_epilogue_insns): Do not crash
        on empty epilogue sequences.

2011-01-04  Joseph Myers  <joseph@codesourcery.com>

        * config/vxworks.opt (Bdynamic, Bstatic, Xbind-lazy, Xbind-now,
        non-static): New Driver options.

2011-01-04  Jie Zhang  <jie@codesourcery.com>

        PR driver/47137
        * gcc.c (default_compilers[]): Set combinable field to 0
        for all assembly languages.

2011-01-04  Mingjie Xing  <mingjie.xing@gmail.com>

        * config/mips/loongson3a.md: New file.
        * config/mips/mips.md: Include loongson3a.md.
        * config/mips/mips.c (mips_multipass_dfa_lookahead): Return 4 when
        TUNE_LOONGSON_3A.

2011-01-03  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/47017
        * expr.c (expand_expr_real_1) <MEM_REF>: Call memory_address_addr_space
        instead of convert_memory_address_addr_space on the base expression.

2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.c (spu_option_override): Update error text
        for bad -march= / -mtune= values.

2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.c (asm_file_start): Only reset flag_var_tracking
        if branch-hint optimization will be performed.

2011-01-03  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/47148
        * ipa-split.c (split_function): Convert arguments to
        DECL_ARG_TYPE if possible.

        PR tree-optimization/47155
        * tree-ssa-ccp.c (bit_value_binop_1): Use r1type instead of type
        when computing uns.

        PR rtl-optimization/47157
        * combine.c (try_combine): If undobuf.other_insn becomes
        (set (pc) (pc)) jump, call update_cfg_for_uncondjump on it
        and set *new_direct_jump_p too.

2011-01-03  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/47021
        * graphite-sese-to-poly.c (scan_tree_for_params): Handle ADDR_EXPR.

2011-01-03  Jakub Jelinek  <jakub@redhat.com>

        * gcc.c (process_command): Update copyright notice dates.
        * gcov.c (print_version): Likewise.
        * gcov-dump.c (print_version): Likewise.
        * mips-tfile.c (main): Likewise.
        * mips-tdump.c (main): Likewise.

2011-01-03  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/46801
        * tree-sra.c (type_internals_preclude_sra_p): Check whether
        aggregate fields start at byte boundary instead of the bit-field flag.

2011-01-03  H.J. Lu  <hongjiu.lu@intel.com>

        PR driver/47137
        * gcc.c (main): Revert revision 168407.

2011-01-03  Martin Jambor  <mjambor@suse.cz>

        * lto-cgraph.c (input_cgraph_opt_section): Use the correct section type.

2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * tree-vect-generic.c (expand_vector_operations_1): When using vector/
        vector optab to expand vector/scalar shift, update gimple to vector.

2011-01-03  Martin Jambor  <mjambor@suse.cz>

        * cgraphunit.c (verify_cgraph_node): Verify there is no direct call to
        a thunk.

2011-01-03  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/46984
        * cgraph.h (cgraph_indirect_call_info): make field thunk_delta
        HOST_WIDE_INT.
        (cgraph_create_indirect_edge): Fixed line length.
        (cgraph_indirect_call_info): Declare.
        (cgraph_make_edge_direct) Update declaration.
        * cgraph.c (cgraph_allocate_init_indirect_info): New function.
        (cgraph_create_indirect_edge): Use it.
        (cgraph_make_edge_direct): Made delta HOST_WIDE_INT.  Updated all
        callees.
        * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update for
        the new thunk_delta representation.
        * ipa-prop.c (ipa_make_edge_direct_to_target): Convert delta to
        HOST_WIDE_INT.
        (ipa_write_indirect_edge_info): Remove streaming of thunk_delta.
        (ipa_read_indirect_edge_info): Likewise.
        * lto-cgraph.c (output_edge_opt_summary): New function.
        (output_node_opt_summary): Call it on all outgoing edges.
        (input_edge_opt_summary): New function.
        (input_node_opt_summary): Call it on all outgoing edges.

2011-01-02  H.J. Lu  <hongjiu.lu@intel.com>

        PR driver/47137
        * gcc.c (main): Don't check have_o when settting combine_inputs.

2011-01-02  Eric Botcazou  <ebotcazou@adacore.com>

        * regrename.c: Add general comment describing the pass.
        (struct du_head): Remove 'length' field.
        (get_element, merge_sort_comparison, merge, sort_du_head): Remove.
        (regrename_optimize): Do not sort chains.  Rework comments, add others.
        Force renaming to the preferred class (if any) in the first pass and do
        not consider registers that belong to it in the second pass.
        (create_new_chain): Do not set 'length' field.
        (scan_rtx_reg): Likewise.

2011-01-02  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/47140
        * tree-ssa-ccp.c (evaluate_stmt): For binary assignments, use
        TREE_TYPE (lhs) instead of TREE_TYPE (rhs1) as second argument
        to bit_value_binop.

        PR rtl-optimization/47028
        * cfgexpand.c (gimple_expand_cfg): Insert entry edge insertions after
        parm_birth_insn instead of at the beginning of first bb.

2011-01-02  Mingjie Xing  <mingjie.xing@gmail.com>

        * doc/generic.texi: Remove duplicated "@subsubsection Statements".
        Remove the word "see" before "@pxref".
        * doc/rtl.texi: Remove the word "see" before "@pxref".

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

        * tree-loop-distribution.c (tree_loop_distribution): Do not use freed
        memory.

2011-01-01  Kai Tietz  <kai.tietz@onevision.com>

        PR target/38662
        * tree.c (type_hash_eq): Call language hook for METHOD_TYPEs, too.

\f
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