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

2011-08-09  Anatoly Sokolov  <aesok@post.ru>

        * config/mmix/mmix.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Remove.

2011-08-09  Ira Rosen  <ira.rosen@linaro.org>

        PR tree-optimization/50014
        * tree-vect-loop.c (vectorizable_reduction): Get def type before
        calling vect_get_vec_def_for_stmt_copy ().

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

        PR rtl-optimization/49990
        * ira-costs.c (print_allocno_costs, print_pseudo_costs): Don't
        ignore classes which can not change mode.
        (find_costs_and_classes): Ditto.

2011-08-08  Richard Henderson  <rth@redhat.com>

        PR middle-end/49990
        * config/i386/i386.c (ix86_expand_prologue): Call
        for SEH target gen_prologue_use instead of gen_blockage
        at prologue's end.

2011-08-08  Martin Jambor  <mjambor@suse.cz>

        PR middle-end/49923
        * tree-sra.c (access_precludes_ipa_sra_p): Also check access
        memory alignment.

2011-08-08   Diego Novillo  <dnovillo@google.com>

        * Makefile.in (LTO_STREAMER_H): Add DIAGNOSTIC_H.
        (DATA_STREAMER_H): New.
        (GIMPLE_STREAMER_H): New.
        (TREE_STREAMER_H): New.
        (STREAMER_HOOKS_H): New.
        (OBJS): Add data-streamer.o, data-streamer-in.o, data-streamer-out.o,
        gimple-streamer-in.o, gimple-streamer-out.o, streamer-hooks.o,
        tree-streamer.o, tree-streamer-in.o and tree-streamer-out.o.
        (data-streamer.o): New.
        (data-streamer-in.o): New.
        (data-streamer-out.o): New.
        (gimple-streamer-in.o): New.
        (gimple-streamer-out.o): New.
        (streamer-hooks.o): New.
        (tree-streamer.o): New.
        (tree-streamer-in.o): New.
        (tree-streamer-out.o): New.
        (lto-cgraph.o): Add dependency on DATA_STREAMER_H and
        TREE_STREAMER_H.
        (lto-streamer-in.o): Add dependency on DATA_STREAMER_H,
        GIMPLE_STREAMER_H and TREE_STREAMER_H.
        (lto-streamer-out.o): Add dependency on DATA_STREAMER_H,
        GIMPLE_STREAMER_H and TREE_STREAMER_H.
        (lto-streamer.o): Add dependency on STREAMER_HOOKS_H.
        (ipa-prop.o): Add dependency on DATA_STREAMER_H and
        TREE_STREAMER_H.
        (ipa-inline-analysis.o): Likewise.
        (ipa-pure-const.o): Likewise.
        * data-streamer-in.c: New.
        * data-streamer-out.c: New.
        * data-streamer.c: New.
        * data-streamer.h: New.
        * gimple-streamer-in.c: New.
        * gimple-streamer-out.c: New.
        * gimple-streamer.h: New.
        * ipa-inline-analysis.c: Include data-streamer.h.
        * ipa-prop.c: Include data-streamer.h.
        * ipa-pure-const.c: Include data-streamer.h.
        * lto-cgraph.c: Include data-streamer.h.
        * lto-section-in.c (lto_input_uleb128): Move to data-streamer-in.c.
        (lto_input_widest_uint_uleb128): Likewise.
        (lto_input_sleb128): Likewise.
        (bp_unpack_var_len_unsigned): Likewise.
        (bp_unpack_var_len_int): Likewise.
        * lto-section-out.c (lto_output_uleb128_stream): Move to
        data-streamer-out.c.
        (lto_output_widest_uint_uleb128_stream): Likewise.
        (lto_output_sleb128_stream): Likewise.
        (bp_pack_var_len_unsigned): Likewise.
        (bp_pack_var_len_int): Likewise.
        * lto-streamer-in.c: Include data-streamer.h and
        gimple-streamer.h.
        (struct string_slot): Remove.  Update all users.
        (lto_tag_check_set): Make extern.
        (lto_tag_check_range): Move to lto-streamer.h.
        (lto_tag_check): Likewise.
        (hash_string_slot_node): Remove.  Update all users.
        (eq_string_slot_node): Remove.  Update all users.
        (string_for_index): Move to data-streamer-in.c
        (input_string_internal): Likewise.
        (input_string_cst): Move to tree-streamer-in.c.
        (input_identifier): Likewise.
        (lto_input_string): Move to data-streamer-in.c
        (input_record_start): Move to data-streamer.h
        (canon_file_name): Use new definition of struct string_slot
        from data-streamer.h.
        Set S_SLOT.LEN.
        (lto_input_location): Make extern.
        (lto_input_chain): Move to tree-streamer-in.c.
        (lto_init_eh): Make extern.
        (input_phi): Move to gimple-streamer-in.c.
        (input_gimple_stmt): Likewise.
        (input_bb): Likewise.
        (unpack_ts_base_value_fields): Move to tree-streamer-in.c.
        (unpack_ts_real_cst_value_fields): Likewise.
        (unpack_ts_fixed_cst_value_fields): Likewise.
        (unpack_ts_decl_common_value_fields): Likewise.
        (unpack_ts_decl_wrtl_value_fields): Likewise.
        (unpack_ts_decl_with_vis_value_fields): Likewise.
        (unpack_ts_function_decl_value_fields): Likewise.
        (unpack_ts_type_common_value_fields): Likewise.
        (unpack_ts_block_value_fields): Likewise.
        (unpack_ts_translation_unit_decl_value_fields): Likewise.
        (unpack_value_fields): Likewise.
        (lto_materialize_tree): Likewise.
        (lto_input_ts_common_tree_pointers): Likewise.
        (lto_input_ts_vector_tree_pointers): Likewise.
        (lto_input_ts_complex_tree_pointers): Likewise.
        (lto_input_ts_decl_minimal_tree_pointers): Likewise.
        (lto_input_ts_decl_common_tree_pointers): Likewise.
        (lto_input_ts_decl_non_common_tree_pointers): Likewise.
        (lto_input_ts_decl_with_vis_tree_pointers): Likewise.
        (lto_input_ts_field_decl_tree_pointers): Likewise.
        (lto_input_ts_function_decl_tree_pointers): Likewise.
        (lto_input_ts_type_common_tree_pointers): Likewise.
        (lto_input_ts_type_non_common_tree_pointers): Likewise.
        (lto_input_ts_list_tree_pointers): Likewise.
        (lto_input_ts_vec_tree_pointers): Likewise.
        (lto_input_ts_exp_tree_pointers): Likewise.
        (lto_input_ts_block_tree_pointers): Likewise.
        (lto_input_ts_binfo_tree_pointers): Likewise.
        (lto_input_ts_constructor_tree_pointers): Likewise.
        (lto_input_ts_target_option): Likewise.
        (lto_input_ts_translation_unit_decl_tree_pointers): Likewise.
        (lto_input_tree_pointers): Likewise.
        (lto_get_pickled_tree): Likewise.
        (lto_get_builtin_tree): Likewise.
        (lto_read_tree): Likewise.
        (lto_input_integer_cst): Likewise.
        (lto_input_tree): Likewise.
        * lto-streamer-out.c: Include data-streamer.h,
        gimple-streamer.h and streamer-hooks.h.
        (struct string_slot): Move to data-streamer.h.
        (hash_string_slot_node): Likewise.
        (eq_string_slot_node): Likewise.
        (lto_string_index): Move to data-streamer-out.c.
        (lto_output_string_with_length): Likewise.
        (lto_output_string): Likewise.
        (output_string_cst): Move to tree-streamer-out.c.
        (output_identifier): Likewise.
        (output_zero): Move to data-streamer-out.c
        (output_uleb128): Likewise.
        (output_sleb128): Likewise.
        (output_record_start): Move to data-streamer.h
        (pack_ts_base_value_fields): Move to tree-streamer-out.c.
        (pack_ts_real_cst_value_fields): Likewise.
        (pack_ts_fixed_cst_value_fields): Likewise.
        (pack_ts_decl_common_value_fields): Likewise.
        (pack_ts_decl_wrtl_value_fields): Likewise.
        (pack_ts_decl_with_vis_value_fields): Likewise.
        (pack_ts_function_decl_value_fields): Likewise.
        (pack_ts_type_common_value_fields): Likewise.
        (pack_ts_block_value_fields): Likewise.
        (pack_ts_translation_unit_decl_value_fields): Likewise.
        (pack_value_fields): Likewise.
        (lto_output_chain): Likewise.
        (lto_output_ts_common_tree_pointers): Likewise.
        (lto_output_ts_vector_tree_pointers): Likewise.
        (lto_output_ts_complex_tree_pointers): Likewise.
        (lto_output_ts_decl_minimal_tree_pointers): Likewise.
        (lto_output_ts_decl_common_tree_pointers): Likewise.
        (lto_output_ts_decl_non_common_tree_pointers): Likewise.
        (lto_output_ts_decl_with_vis_tree_pointers): Likewise.
        (lto_output_ts_field_decl_tree_pointers): Likewise.
        (lto_output_ts_function_decl_tree_pointers): Likewise.
        (lto_output_ts_type_common_tree_pointers): Likewise.
        (lto_output_ts_type_non_common_tree_pointers): Likewise.
        (lto_output_ts_list_tree_pointers): Likewise.
        (lto_output_ts_vec_tree_pointers): Likewise.
        (lto_output_ts_exp_tree_pointers): Likewise.
        (lto_output_ts_block_tree_pointers): Likewise.
        (lto_output_ts_binfo_tree_pointers): Likewise.
        (lto_output_ts_constructor_tree_pointers): Likewise.
        (lto_output_ts_target_option): Likewise.
        (lto_output_ts_translation_unit_decl_tree_pointers): Likewise.
        (lto_output_tree_pointers): Likewise.
        (lto_output_tree_header): Likewise.
        (lto_output_builtin_tree): Likewise.
        (lto_write_tree): Likewise.
        (lto_output_integer_cst): Likewise.
        (lto_output_tree): Likewise.
        (output_phi): Move to gimple-streamer-out.c.
        (output_gimple_stmt): Likewise.
        (output_bb): Likewise.
        * lto-streamer.c: Include tree-streamer.h and streamer-hooks.h.
        (streamer_hooks): Move to streamer-hooks.c.
        (check_handled_ts_structures): Move to tree-streamer.c
        (lto_streamer_cache_add_to_node_array): Likewise.
        (lto_streamer_cache_insert_1): Likewise.
        (lto_streamer_cache_insert): Likewise.
        (lto_streamer_cache_insert_at): Likewise.
        (lto_streamer_cache_append): Likewise.
        (lto_streamer_cache_lookup): Likewise.
        (lto_streamer_cache_get): Likewise.
        (lto_record_common_node): Likewise.
        (lto_preload_common_nodes): Likewise.
        (lto_streamer_cache_create): Likewise.
        (lto_streamer_cache_delete): Likewise.
        (streamer_hooks_init): Move to streamer-hooks.c.
        * lto-streamer.h: Include diagnostic.h
        (struct output_block, struct lto_input_block,
        struct data_in, struct bitpack_d): Remove forward
        declarations.
        (struct bitpack_d): Move to data-streamer.h.
        (struct lto_streamer_cache_d): Move to tree-streamer.h.
        (struct streamer_hooks): Move to streamer-hooks.h.
        (bp_pack_var_len_unsigned): Move to data-streamer.h.
        (bp_pack_var_len_int): Likewise.
        (bp_unpack_var_len_unsigned): Likewise.
        (bp_unpack_var_len_int): Likewise.
        (lto_input_location): Declare.
        (lto_tag_check_set): Declare.
        (lto_init_eh): Declare.
        (lto_output_tree_ref): Declare.
        (lto_output_location): Declare.
        (bitpack_create): Move to data-streamer.h.
        (bp_pack_value): Likewise.
        (lto_output_bitpack): Likewise.
        (lto_input_bitpack): Likewise.
        (bp_unpack_value): Likewise.
        (lto_output_1_stream): Likewise.
        (lto_input_1_unsigned): Likewise.
        (lto_output_int_in_range): Likewise.
        (lto_input_int_in_range): Likewise.
        (bp_pack_int_in_range): Likewise.
        (bp_unpack_int_in_range): Likewise.
        (lto_output_enum): Likewise.
        (lto_input_enum): Likewise.
        (bp_pack_enum): Likewise.
        (bp_unpack_enum): Likewise.
        * streamer-hooks.c: New.
        * streamer-hooks.h: New.
        * tree-streamer-in.c: New.
        * tree-streamer-out.c: New.
        * tree-streamer.c: New.
        * tree-streamer.h: New.

2011-08-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * gthr-posix95.h: Remove.
        * gthr.h [_PTHREADS95]: Remove.
        * configure.ac (enable_threads): Remove posix95.
        * configure: Regenerate.
        * doc/install.texi (Configuration, --enable-threads): Remove
        posix95.

2011-08-07  Uros Bizjak  <ubizjak@gmail.com>

        PR target/49781
        * config/i386/i386.c (ix86_decompose_address): Allow zero-extended
        SImode addresses.
        (ix86_print_operand_address): Handle zero-extended addresses.
        (memory_address_length): Add length of addr32 prefix for
        zero-extended addresses.
        (ix86_secondary_reload): Handle moves to/from double-word general
        registers from/to zero-extended addresses.
        * config/i386/predicates.md (lea_address_operand): Reject
        zero-extended operands.

2011-08-08  H.J. Lu  <hongjiu.lu@intel.com>

        PR other/48007
        * config.gcc (libgcc_tm_file): Add i386/value-unwind.h for Linux/x86.

        * system.h (REG_VALUE_IN_UNWIND_CONTEXT): Poisoned.
        (ASSUME_EXTENDED_UNWIND_CONTEXT): Likewise.

        * unwind-dw2.c (ASSUME_EXTENDED_UNWIND_CONTEXT): New.
        (_Unwind_Context_Reg_Val): Likewise.
        (_Unwind_Get_Unwind_Word): Likewise.
        (_Unwind_Get_Unwind_Context_Reg_Val): Likewise.
        (_Unwind_Context): Use _Unwind_Context_Reg_Val on the reg field.
        (_Unwind_IsExtendedContext): Check ASSUME_EXTENDED_UNWIND_CONTEXT
        for EXTENDED_CONTEXT_BIT.
        (__frame_state_for): Likewise.
        (uw_init_context_1): Likewise.
        (_Unwind_GetGR): Updated.
        (_Unwind_SetGR): Likewise.
        (_Unwind_GetGRPtr): Likewise.
        (_Unwind_SetGRPtr): Likewise.
        (_Unwind_SetGRValue): Likewise.
        (_Unwind_GRByValue): Likewise.
        (uw_install_context_1): Likewise.

        * doc/tm.texi.in: Document REG_VALUE_IN_UNWIND_CONTEXT and
        ASSUME_EXTENDED_UNWIND_CONTEXT.
        * doc/tm.texi: Regenerated.

2011-08-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * Makefile.in (gengtype$(exeext)): Add $(LDFLAGS).

2011-08-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * doc/invoke.texi (DEC Alpha Options, -mcpu): native support isn't
        Linux/GNU-specific.
        (DEC Alpha Options, -mtune): Likewise.
        (MIPS Options, -march): native is supported on IRIX.

2011-08-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/sparc/driver-sparc.c: New file.
        * config/sparc/x-sparc: New file.
        * config.host: Use driver-sparc.o, sparc/x-sparc on sparc*-*-solaris2*.
        * config/sparc/sparc.opt (native): New value for enum processor_type.
        * config/sparc/sparc-opts.h (PROCESSOR_NATIVE): Declare.
        * config/sparc/sparc.c (sparc_option_override): Abort if
        PROCESSOR_NATIVE gets here.
        * config/sparc/sol2.h [__sparc__] (host_detect_local_cpu): Declare.
        (EXTRA_SPEC_FUNCTIONS, MCPU_MTUNE_NATIVE_SPECS,
        DRIVER_SELF_SPECS): Define.
        * doc/invoke.texi (SPARC Options, -mcpu): Document native.
        (SPARC Options, -mtune): Likewise.
        * configure.ac (EXTRA_GCC_LIBS): Check for libkstat.
        Substitute result.
        * configure: Regenerate.
        * Makefile.in (EXTRA_GCC_LIBS): Set.
        (xgcc$(exeext)): Add $(EXTRA_GCC_LIBS).
        (cpp$(exeext)): Likewise.

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

        * tree-vrp.c (extract_range_from_unary_expr_1): New function,
        split out from ...
        (extract_range_from_unary_expr): ... here.  Handle BIT_NOT_EXPR
        by composition.

2011-08-08  Mikael Pettersson  <mikpe@it.uu.se>

        PR tree-optimization/50005
        * ipa-inline-analysis (remap_predicate): Add cast to
        silence signed/unsigned comparison warning.

2011-08-08  Richard Sandiford  <richard.sandiford@linaro.org>

        * modulo-sched.c (get_sched_window): Use a table for the debug output.
        Print the current ii.
        (sms_schedule_by_order): Reduce whitespace in dump line.

2011-08-08  Richard Sandiford  <richard.sandiford@linaro.org>

        * modulo-sched.c (get_sched_window): Use just one loop for predecessors
        and one loop for successors.  Fix upper bound of memory range.

2011-08-06  Uros Bizjak  <ubizjak@gmail.com>

        PR target/50001
        * config/alpha/alpha.c (alpha_instantiate_decls): New function.
        (TARGET_INSTANTIATE_DECLS): New define.

2011-08-06  Paolo Bonzini  <bonzini@gnu.org>
            Mikael Morin   <mikael.morin@sfr.fr>

        * Makefile.in (INCLUDES_FOR_TARGET): New.
        (LIBGCC2_CFLAGS): Use it.
        (CRTSTUFF_CFLAGS): Use it instead of INCLUDES.

2011-08-06  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_compute_frame_layout): Simplify
        frame->save_regs_using_mov calculation.

2011-08-06  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (ssemodesuffix): Remove V8SI mode.
        * config/i386/sse.md (castmode): New mode attribute.
        (avx_<castmode><avxsizesuffix>_<castmode>): Rename from
        avx_<ssemodesuffix><avxsizesuffix>_<ssemodesuffix>.

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

        PR middle-end/49494
        * ipa-inline-analysis.c (remap_predicate): Add bounds check.

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

        PR middle-end/49500
        * tree-emultls.c (new_emutls_decl):Add alias_of parameter;
        handle aliases.
        (create_emultls_var):New function.
        (ipa_lower_emutls): Handle aliases correctly.

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

        PR middle-end/49735
        * ipa-inline.c (recursive_inlining): Look through aliases.

2011-08-05  Jason Merrill  <jason@redhat.com>

        * config/i386/i386.c (setup_incoming_varargs_ms_64): Move
        declarations to beginning of function.

2011-08-05  Bernd Schmidt  <bernds@codesourcery.com>

        PR rtl-optimization/49900
        * sched-ebb.c (add_deps_for_risky_insns): Also add dependencies to
        ensure basic blocks stay in the same order.

2011-08-05  Aldy Hernandez  <aldyh@redhat.com>

        * config/s390/s390.c (s390_expand_cs_hqi): Add new arguments to
        store_bit_field.
        (s390_expand_atomic): Same.

2011-08-05  Richard Henderson  <rth@redhat.com>

        PR rtl-opt/49977
        * dwarf2cfi.c (scan_insn_after): Split out of ...
        (scan_trace): ... here.  Correctly place notes wrt sequences.

2011-08-05  Kaz Kojima  <kkojima@gcc.gnu.org>
            Richard Henderson  <rth@redhat.com>

        PR rtl-opt/49982
        * expr.c (fixup_args_size_notes): Look through no-op moves.

2011-08-05  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*push<mode>2): Use "o" constraint instead
        of "m" for operand 0.  Add type and mode attribute.
        (*pushxf_nointeger"): Use "<" constraint for operand 0.
        (*pushdf_rex64): New pattern, split out of *pushdf.  Use "m"
        constraint instead of "o" for opreand 1.
        (*pushdf): Disable for TARGET_64BIT.  Correct mode attribute.
        (*movdi_internal_rex64): Use "!o" constraint instead of "!m" for
        operand 0, alternative 4.
        (*movdf_internal_rex64): Ditto for operand 0, alernative 6.

2011-08-05  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/predicates.md (lea_address_operand): Rename from
        no_seg_address_operand.
        * config/i386/i386.md (*lea_1): Update operand 1 predicate for rename.
        (*lea_1_zext): Ditto.
        (*lea_2): Ditto.
        (*lea_2_zext): Ditto.

2011-08-05  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_print_operand_address): Handle SUBREGs of
        parts.base and parts.index.
        * config/i386/predicates.md (aligned_operand): Ditto.
        (cmpxchg8b_pic_memory_operand): Ditto.

2011-08-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/soft-fp: Move to ../libgcc.
        * Makefile.in (SFP_MACHINE): Remove.
        (libgcc-support): Remove $(SFP_MACHINE) dependency.
        * config/arm/sfp-machine.h: Move to ../libgcc/config/arm.
        * config/arm/t-arm-softfp: Move to
        ../libgcc/config/arm/t-softfp.
        * config/c6x/sfp-machine.h: Move to ../libgcc/config/c6x.
        * config/c6x/t-c6x-softfp: Remove.
        * config/i386/sfp-machine.h: Move to ../libgcc/config/i386.
        * config/i386/t-fprules-softfp: Move to
        ../libgcc/config/t-softfp-tf.
        * config/ia64/sfp-machine.h: Move to ../libgcc/config/ia64.
        * config/ia64/t-fprules-softfp: Remove.
        * config/lm32/sfp-machine.h: Move to ../libgcc/config/lm32.
        * config/lm32/t-fprules-softfp: Remove.
        * config/moxie/sfp-machine.h: Remove.
        * config/moxie/t-moxie-softfp: Remove.
        * config/rs6000/darwin-ldouble-format: Move to
        ../libgcc/config/rs6000/ibm-ldouble-format.
        * config/rs6000/darwin-ldouble.c: Move to
        ../libgcc/config/rs6000/ibm-ldouble.c
        * config/rs6000/libgcc-ppc-glibc.ver: Move to ../libgcc/config/rs6000.
        * config/rs6000/libgcc-ppc64.ver: Likewise.
        * config/rs6000/sfp-machine.h: Likewise.
        * config/rs6000/t-aix43 (SHLIB_MAPFILES): Remove
        $(srcdir)/config/rs6000/libgcc-ppc64.ver.
        (LIB2FUNCS_EXTRA): Remove.
        (TARGET_LIBGCC2_CFLAGS): Remove.
        * config/rs6000/t-aix52: Likewise
        * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Remove
        $(srcdir)/config/rs6000/darwin-ldouble.c.
        (SHLIB_MAPFILES): Remove.
        * config/rs6000/t-darwin64 (LIB2FUNCS_EXTRA): Remove
        $(srcdir)/config/rs6000/darwin-ldouble.c.
        * config/rs6000/t-fprules-softfp: Move to
        ../libgcc/config/t-softfp-sfdf.
        * config/rs6000/t-freebsd: Move to ../libgcc/config/rs6000.
        * config/rs6000/t-linux64 (softfp_wrap_start, softfp_wrap_end): Remove.
        * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Remove
        $(srcdir)/config/rs6000/darwin-ldouble.c.
        * config/score/sfp-machine.h: Move to ../libgcc/config/score.
        * config/score/t-score-softfp: Remove.
        * config.gcc (arm*-*-linux*): Remove arm/t-arm-softfp,
        soft-fp/t-softfp from tmake_file.
        (arm*-*-uclinux*): Likewise.
        (arm*-*-ecos-elf): Likewise.
        (arm*-*-eabi*, arm*-*-symbianelf*): Likewise.
        (arm*-*-rtems*): Likewise.
        (arm*-*-elf): Likewise.
        (moxie-*-elf): Remove moxie/t-moxie-softfp, soft-fp/t-softfp from
        tmake_file.
        (moxie-*-uclinux*): Likewise.
        (moxie-*-rtems*): Likewise.
        (lm32-*-elf*): Remove lm32/t-fprules-softfp, soft-fp/t-softfp from
        tmake_file.
        (lm32-*-rtems*): Likewise.
        (lm32-*-uclinux*): Likewise.
        (powerpc-*-freebsd*): Remove rs6000/t-freebsd,
        rs6000/t-fprules-softfp, soft-fp/t-softfp from tmake_file.
        (powerpc-*-linux*, powerpc64-*-linux*): Remove
        rs6000/t-fprules-softfp, soft-fp/t-softfp from tmake_file.
        (score-*-elf): Remove score/t-score-softfp, soft-fp/t-softfp from
        tmake_file.
        (tic6x-*-elf): Remove c6x/t-c6x-softfp, soft-fp/t-softfp from
        tmake_file.
        (tic6x-*-uclinux): Likewise.
        (i[34567]86-*-darwin*, x86_64-*-darwin*): Remove i386/t-fprules-softfp,
        soft-fp/t-softfp from tmake_file.
        (i[34567]86-*-linux*, x86_64-*-linux*, i[34567]86-*-kfreebsd*-gnu)
        (x86_64-*-kfreebsd*-gnu, i[34567]86-*-gnu*): Likewise.
        (i[34567]86-*-solaris2*, x86_64-*-solaris2.1[0-9]*): Likewise.
        (i[34567]86-*-cygwin*, i[34567]86-*-mingw*, x86_64-*-mingw*): Likewise.
        (i[34567]86-*-freebsd*, x86_64-*-freebsd*): Likewise.

2011-08-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS, TPBIT_FUNCS): Remove.
        (libgcc-support): Remove $(FPBIT), $(DPBIT), $(TPBIT) dependencies.
        (libgcc.mvars): Remove FPBIT, FPBIT_FUNCS, DPBIT, DPBIT_FUNCS,
        TPBIT, TPBIT_FUNCS.
        * config/fp-bit.c, config/fp-bit.h: Move to ../libgcc.
        * config/arm/t-strongarm-elf (FPBIT, DPBIT, dp-bit.c, fp-bit.c):
        Remove.
        * config/arm/t-vxworks: Likewise.
        * config/arm/t-wince-pe: Likewise.
        * config/avr/t-avr (fp-bit.c, FPBIT): Remove.
        * config/bfin/t-bfin (FPBIT, DPBIT, dp-bit.c, fp-bit.c): Remove.
        * config/bfin/t-bfin-elf: Likewise.
        * config/bfin/t-bfin-linux: Likewise.
        * config/bfin/t-bfin-uclinux: Likewise.
        * config/cris/t-cris (FPBIT, DPBIT, dp-bit.c, tmplibgcc_fp_bit.c):
        Remove.
        * config/fr30/t-fr30: Likewise.
        * config/frv/t-frv: Likewise.
        * config/h8300/t-h8300 (FPBIT, fp-bit.c): Remove.
        * config/iq2000/t-iq2000 (FPBIT, DPBIT, dp-bit.c, fp-bit.c): Remove.
        * config/m32c/t-m32c: Likewise.
        * config/m32r/t-linux: (LIB2FUNCS_EXTRA, fp-bit.c, dp-bit.c): Remove.
        * config/m32r/t-m32r (FPBIT, DPBIT, dp-bit.c, fp-bit.c): Remove.
        * config/mcore/t-mcore: Likewise.
        * config/mep/t-mep: Likewise.
        * config/microblaze/t-microblaze: Likewise.
        * config/mips/t-linux64 (TPBIT, tp-bit.c): Remove.
        * config/mips/t-mips (FPBIT, DPBIT, dp-bit.c, fp-bit.c): Remove.
        * config/mips/t-sdemtk (FPBIT, DPBIT): Remove.
        * config/mips/t-sr71k (FPBIT, DPBIT, dp-bit.c, fp-bit.c): Remove.
        * config/mn10300/t-linux: Remove.
        * config/mn10300/t-mn10300 (FPBIT, DPBIT, dp-bit.c, fp-bit.c): Remove.
        * config/pdp11/t-pdp11: Likewise.
        * config/picochip/t-picochip (FPBIT, fp-bit.c): Remove.
        * config/rs6000/ppc64-fp.c: Move to ../libgcc/config/rs6000.
        * config/rs6000/t-aix43 (FPBIT, DPBIT, dp-bit.c, fp-bit.c): Remove.
        (LIB2FUNCS_EXTRA): Remove $(srcdir)/config/rs6000/ppc64-fp.c.
        * config/rs6000/t-aix52: Likewise.
        * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Remove
        $(srcdir)/config/rs6000/ppc64-fp.c.
        * config/rs6000/t-fprules-fpbit: Remove.
        * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Remove.
        * config/rs6000/t-lynx (FPBIT, DPBIT, dp-bit.c, fp-bit.c): Remove.
        * config/sh/t-netbsd (FPBIT, DPBIT): Remove.
        * config/sh/t-sh (FPBIT, DPBIT, dp-bit.c, fp-bit.c): Remove.
        * config/sparc/t-elf: Likewise.
        * config/sparc/t-leon: Likewise.
        * config/sparc/t-leon3: Likewise.
        * config/spu/t-spu-elf: Likewise.
        (DPBIT_FUNCS): Remove.
        * config/stormy16/t-stormy16 (FPBIT, DPBIT, dp-bit.c, fp-bit.c): Remove.
        * config/v850/t-v850: Likewise.
        * config.gcc (avr-*-rtems*): Add avr/avr-lib.h to libgcc_tm_file.
        (avr-*-*): Likewise.
        (h8300-*-rtems*): Set libgcc_tm_file.
        (h8300-*-elf*): Likewise.
        (powerpc-*-eabisimaltivec*): Remove rs6000/t-fprules-fpbit from
        tmake_file.
        (powerpc-*-eabisim*): Likewise.
        (powerpc-*-elf*): Likewise.
        (powerpc-*-eabialtivec*): Likewise.
        (powerpc-xilinx-eabi*): Likewise.
        (powerpc-*-eabi*): Likewise.
        (powerpc-*-rtems*): Likewise.
        (powerpc-wrs-vxworks, powerpc-wrs-vxworksae): Likewise.
        (powerpcle-*-elf*): Likewise.
        (powerpcle-*-eabisim*): Likewise.
        (powerpcle-*-eabi*): Likewise.
        (rx-*-elf*): Add rx/rx-lib.h to libgcc_tm_file.
        (am33_2.0-*-linux*): Remove mn10300/t-linux from tmake_file.
        * doc/fragments.texi (Target Fragment, Floating Point Emulation):
        Remove.

2011-08-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * Makefile.in (UNWIND_H): Remove.
        (LIB2ADDEH, LIB2ADDEHSTATIC, LIB2ADDEHSHARED): Move to
        ../libgcc/Makefile.in.
        (LIBUNWIND, SHLIBUNWIND_LINK, SHLIBUNWIND_INSTALL): Likewise.
        (LIBUNWINDDEP): Remove.
        (libgcc-support): Remove LIB2ADDEH, $(srcdir)/emutls.c dependencies.
        (libgcc.mvars): Remove LIB2ADDEH, LIB2ADDEHSTATIC, LIB2ADDEHSHARED,
        LIBUNWIND, SHLIBUNWIND_LINK, SHLIBUNWIND_INSTALL.
        (stmp-int-hdrs): Remove $(UNWIND_H) dependency.
        Don't copy $(UNWIND_H).
        * config.gcc (ia64*-*-linux*): Remove with_system_libunwind handling.
        * configure.ac (GCC_CHECK_UNWIND_GETIPINFO): Remove.
        * aclocal.m4: Regenerate.
        * configure: Regenerate.
        * emutls.c, unwind-c.c, unwind-compat.c, unwind-compat.h,
        unwind-dw2-fde-compat.c, unwind-dw2-fde-glibc.c, unwind-dw2-fde.c,
        unwind-dw2-fde.h, unwind-dw2.c, unwind-dw2.h, unwind-generic.h,
        unwind-pe.h, unwind-sjlj.c, unwind.inc: Move to ../libgcc.
        * unwind-dw2-fde-darwin.c: Move to ../libgcc/config.
        * config/arm/libunwind.S, config/arm/pr-support.c,
        config/arm/unwind-arm.c, config/arm/unwind-arm.h: Move to
        ../libgcc/config/arm.
        * config/arm/t-bpabi (UNWIND_H, LIB2ADDEH): Remove.
        * config/arm/t-symbian (UNWIND_H, LIB2ADDEH): Remove.
        * config/frv/t-frv ($(T)frvbegin$(objext)): Use
        $(srcdir)/../libgcc to refer to unwind-dw2-fde.h.
        ($(T)frvend$(objext)): Likewise.
        * config/ia64/t-glibc (LIB2ADDEH): Remove.
        * config/ia64/t-glibc-libunwind: Move to ../libgcc/config/ia64.
        * config/ia64/fde-glibc.c, config/ia64/fde-vms.c,
        config/ia64/unwind-ia64.c, config/ia64/unwind-ia64.h: Move to
        ../libgcc/config/ia64.
        * config/ia64/t-hpux (LIB2ADDEH): Remove.
        * config/ia64/t-ia64 (LIB2ADDEH): Remove.
        * config/ia64/t-vms (LIB2ADDEH): Remove.
        * config/ia64/vms.h (UNW_IVMS_MODE,
        MD_UNW_COMPATIBLE_PERSONALITY_P): Remove.
        * config/picochip/t-picochip (LIB2ADDEH): Remove.
        * config/rs6000/aix.h (R_LR, MD_FROB_UPDATE_CONTEXT): Remove.
        * config/rs6000/t-darwin (LIB2ADDEH): Remove.
        * config/rs6000/darwin-fallback.c: Move to ../libgcc/config/rs6000.
        * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): Use
        $(srcdir)/../libgcc to refer to unwinder sources.
        * config/spu/t-spu-elf (LIB2ADDEH): Remove.
        * config/t-darwin (LIB2ADDEH): Remove.
        * config/t-freebsd (LIB2ADDEH): Remove.
        * config/t-libunwind (LIB2ADDEH, LIB2ADDEHSTATIC): Remove.
        * config/t-libunwind-elf: Move to ../libgcc/config.
        * config/t-linux (LIB2ADDEH): Remove.
        * config/t-sol2 (LIB2ADDEH): Remove.
        * config/xtensa/t-xtensa (LIB2ADDEH): Remove.
        * system.h (MD_FROB_UPDATE_CONTEXT): Poison.

2011-08-05  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (processor_alias_table): Add core-avx-i.

        * doc/invoke.texi: Document core-avx-i.

2011-08-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * tsystem.h (CONST_CAST2, CONST_CAST): Define.

2011-08-05  Ira Rosen  <ira.rosen@linaro.org>

        * tree-vect-loop.c (vect_create_epilog_for_reduction): Use the
        result of multiple results reduction when extracting the final
        value using scalar code.

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

        PR tree-optimization/49984
        * tree-vrp.c (extract_range_from_binary_expr_1): Handle BIT_XOR_EXPR.

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

        * tree-vrp.c (zero_nonzero_bits_from_vr): Make sure to always
        return true for constant integer ranges.
        (extract_range_from_binary_expr_1): Simplify BIT_AND_EXPR and
        BIT_IOR_EXPR handling.

2011-08-04  Kai Tietz  <ktietz@redhat.com>

        * config/i386/i386.c (setup_incoming_varargs_ms_64): Set
        ix86_varargs_gpr_size and ix86_varargs_fpr_size to zero.

2011-08-04  Ira Rosen  <ira.rosen@linaro.org>

        * tree-vectorizer.h (struct _stmt_vec_info): Add new field for
        pattern def statement, and its access macro.
        (NUM_PATTERNS): Set to 5.
        * tree-vect-loop.c (vect_determine_vectorization_factor): Handle
        pattern def statement.
        (vect_transform_loop): Likewise.
        * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add new
        function vect_recog_over_widening_pattern ().
        (vect_operation_fits_smaller_type): New function.
        (vect_recog_over_widening_pattern, vect_mark_pattern_stmts):
        Likewise.
        (vect_pattern_recog_1): Move the code that marks pattern
        statements to vect_mark_pattern_stmts (), and call it.  Update
        documentation.
        * tree-vect-stmts.c (vect_supportable_shift): New function.
        (vect_analyze_stmt): Handle pattern def statement.
        (new_stmt_vec_info): Initialize pattern def statement.

2011-08-04  Richard Henderson  <rth@redhat.com>

        PR target/49964
        * config/i386/i386.c (ix86_expand_call): Don't create nested
        PARALLELs for TARGET_VZEROUPPER.
        (ix86_split_call_vzeroupper): Fix extraction of the original call.
        * config/i386/i386.md (*call_rex64_ms_sysv_vzeroupper): Don't
        recognize nested PARALLELs.
        (*call_pop_vzeroupper, *sibcall_pop_vzeroupper,
        *call_value_rex64_ms_sysv_vzeroupper, *call_value_pop_vzeroupper,
        *sibcall_value_pop_vzeroupper): Likewise.

2011-08-04  Richard Henderson  <rth@redhat.com>

        PR middle-end/49968
        * calls.c (expand_call): Use fixup_args_size_notes for
        emit_stack_restore.
        * expr.c (fixup_args_size_notes): Allow STACK_POINTER_REGNUM sets
        in non-standard modes.

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

        * gcc.c (self_spec): New variable.
        (static_specs): Add self_spec.
        (main): Call do_self_spec on "self_spec" specs after reading
        user specs files.  Move compare_debug handling right after that.

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

        * tree-vrp.c (vrp_expr_computes_nonnegative): Remove.
        (value_range_nonnegative_p): New function.
        (ssa_name_nonnegative_p): Use it.
        (value_range_constant_singleton): New function.
        (op_with_constant_singleton_value_range): Use it.
        (extract_range_from_binary_expr_1): New function, split out from ...
        (extract_range_from_binary_expr): ... this.  Remove fallback
        constant folding done here.

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

        PR tree-optimization/49806
        * tree-vrp.c (op_with_boolean_value_range_p): New function.
        (simplify_truth_ops_using_ranges): Simplify.  Allow inserting
        a new statement for a final conversion to bool.

2011-08-04  Romain Geissler  <romain.geissler@gmail.com>

        * gengtype-state.c: Include "bconfig.h" if
        GENERATOR_FILE is defined, "config.h" otherwise.
        * gengtype.c: Likewise.
        * gengtype-lex.l: Likewise.
        * gengtype-parse.c: Likewise.
        * Makefile.in (gengtype-lex.o-warn): New variable.
        (plugin_resourcesdir): Likewise.
        (plugin_bindir): Likewise.
        (plugin_includedir): Use $(plugin_resourcesdir) as prefix base.
        (MOSTLYCLEANFILES): Add gengtype$(exeext).
        (native): Depend on gengtype$(exeext) is $enable_plugin
        is set to "yes".
        (gtype.state): Depend on s-gtype. Use temporary file.
        (gengtype-lex.o): New rule.
        (gengtype-parse.o): Likewise.
        (gengtype-state.o): Likewise.
        (gengtype$(exeext)): Likewise.
        (install-gengtype): Likewise.
        (gengtype.o): Likewise.
        (build/gengtype.o): Depend on version.h.
        (build/gengtype-state): Depend on double-int.h, version.h,
        $(HASHTAB_H), $(OBSTACK_H), $(XREGEX_H) and build/errors.o.
        (install-plugin): Depend on install-gengtype.

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

        PR middle-end/49905
        * tree.h (init_attributes): New prototype.
        * attribs.c (init_attributes): No longer static.

2011-08-04  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

        * config/arm/arm.c (arm_set_fixed_optab_libfunc): Constify
        maybe_suffix.

2011-08-03   David Li  <davidxl@google.com>

        * tree-optimize.c (execute_fixup_cfg): Fix up entry
        outgoing edge counts after inlining.

2011-08-03   David Li  <davidxl@google.com>

        * profile.c (compute_branch_probabilities): Compute
        function frequency after profile annotation.

2011-08-04  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000.c (rs6000_emit_epilogue): Simplify
        use_backchain_to_restore_sp initialisation.
        (rs6000_legitimate_offset_address_p): Simplify offset test.

2011-08-03  Richard Henderson  <rth@redhat.com>

        * config/spu/spu.md: Use define_c_enum instead of define_constants.
        (UNSPECV_BLOCKAGE, UNSPECV_LNOP, UNSPECV_SYNC): Rename from UNSPEC_*.
        (UNSPECV_NOP): New.

2011-08-03  Richard Henderson  <rth@redhat.com>

        PR target/34888
        * config/avr/avr.md: New splitter for REG_ARGS_SIZE 0.

2011-08-03  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/49948
        * gimple.c (walk_stmt_load_store_addr_ops): Walk CONSTRUCTOR elements.

2011-08-03  Anatoly Sokolov  <aesok@post.ru>

        * config/m32c/m32c.c (class_sizes): Remove.
        (reduce_class): Change arguments and return type to reg_class_t.
        Change type cc var to HARD_REG_SET. Change type best var to
        reg_class_t. Change type best_size var to unsigned int. Remove
        initialization class_sizes var. Use reg_class_size array instead
        of class_sizes. Use reg_class_contents array instead
        of class_contents.

2011-08-03  Richard Guenther  <rguenther@suse.de>

        PR middle-end/49958
        * fold-const.c (fold_binary_loc): Only associate
        (+ (+ (* a b) c) (* d e)) as (+ (+ (* a b) (* d e)) c) if
        overflow wraps.

2011-08-03  Alan Modra  <amodra@gmail.com>

        PR rtl-optimization/49941
        * jump.c (mark_jump_label): Comment.
        (mark_jump_label_1): Set JUMP_LABEL for return jumps.
        * emit-rtl.c (copy_rtx_if_shared_1, copy_insn_1): Leave RETURN shared.
        (mark_used_flags): Don't mark RETURN.

2011-08-03  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/49938
        * tree-scalar-evolution.c (interpret_loop_phi): Gracefully
        deal with a POLYNOMIAL_CHREC.

2011-08-03  Revital Eres  <revital.eres@linaro.org>

        * modulo-sched.c (calculate_stage_count,
        calculate_must_precede_follow, get_sched_window,
        try_scheduling_node_in_cycle, remove_node_from_ps): Add
        declaration.
        (update_node_sched_params, set_must_precede_follow, optimize_sc):
        New functions.
        (reset_sched_times): Call update_node_sched_params.
        (sms_schedule): Call optimize_sc.
        (get_sched_window): Change function arguments.
        (sms_schedule_by_order): Update call to get_sched_window.
        Call set_must_precede_follow.
        (calculate_stage_count): Add function argument.

2011-08-02  Richard Henderson  <rth@redhat.com>

        PR target/49864
        PR target/49879
        * reg-notes.def (REG_ARGS_SIZE): New.
        * calls.c (emit_call_1): Emit REG_ARGS_SIZE for call_pop.
        (expand_call): Add REG_ARGS_SIZE to emit_stack_restore.
        * cfgcleanup.c (old_insns_match_p): Don't allow cross-jumping to
        different stack levels.
        * combine-stack-adj.c (adjust_frame_related_expr): Remove.
        (maybe_move_args_size_note): New.
        (combine_stack_adjustments_for_block): Use it.
        * combine.c (distribute_notes): Place REG_ARGS_SIZE.
        * dwarf2cfi.c (dw_cfi_row_struct): Remove args_size member.
        (dw_trace_info): Add beg_true_args_size, end_true_args_size,
        beg_delay_args_size, end_delay_args_size, eh_head, args_size_undefined.
        (cur_cfa): New.
        (queued_args_size): Remove.
        (add_cfi_args_size): Assert size is non-negative.
        (stack_adjust_offset, dwarf2out_args_size): Remove.
        (dwarf2out_stack_adjust, dwarf2out_notice_stack_adjust): Remove.
        (notice_args_size, notice_eh_throw): New.
        (dwarf2out_frame_debug_def_cfa): Use cur_cfa.
        (dwarf2out_frame_debug_adjust_cfa): Likewise.
        (dwarf2out_frame_debug_cfa_offset): Likewise.
        (dwarf2out_frame_debug_expr): Likewise.  Don't stack_adjust_offset.
        (dwarf2out_frame_debug): Don't handle non-frame-related-p insns.
        (change_cfi_row): Don't emit args_size.
        (maybe_record_trace_start_abnormal): Split out from ...
        (maybe_record_trace_start): Here.  Set args_size_undefined.
        (create_trace_edges): Update to match.
        (scan_trace): Handle REG_ARGS_SIZE.
        (connect_traces): Connect args_size between EH insns.
        * emit-rtl.c (try_split): Handle REG_ARGS_SIZE.
        * explow.c (suppress_reg_args_size): New.
        (adjust_stack_1): Split out from ...
        (adjust_stack): ... here.
        (anti_adjust_stack): Use it.
        (allocate_dynamic_stack_space): Suppress REG_ARGS_SIZE.
        * expr.c (mem_autoinc_base): New.
        (fixup_args_size_notes): New.
        (emit_single_push_insn_1): Rename from emit_single_push_insn.
        (emit_single_push_insn): New.  Generate REG_ARGS_SIZE.
        * recog.c (peep2_attempt): Handle REG_ARGS_SIZE.
        * reload1.c (reload_as_needed): Likewise.
        * rtl.h (fixup_args_size_notes): Declare.

2011-08-02  Paolo Carlini  <paolo.carlini@oracle.com>

        PR bootstrap/49914
        * fold-const.c (fold_plusminus_mult_expr): Use abs_hwi instead
        of abs.
        * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Likewise.
        * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Likewise.

2011-08-02  Richard Henderson  <rth@redhat.com>

        * config/h8300/h8300.c (push, pop): Return the insn.
        (h8300_swap_into_er6): Generate correct unwind info.
        (h8300_swap_out_of_er6): Likewise.
        * dwarf2cfi.c (def_cfa_1): Clear cfa_cfi if we no longer have a
        complex cfa expression.
        (dwarf2out_frame_debug_def_cfa): Allow (plus (mem) (const_int)) too.

2011-08-02  H.J. Lu  <hongjiu.lu@intel.com>

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

2011-08-02  Richard Henderson  <rth@redhat.com>

        PR target/49878
        * config/h8300/h8300.c (h8300_move_ok): New.
        * config/h8300/h8300-protos.h: Declare it.
        * config/h8300/h8300.md (P): New mode iterator.
        (*movqi_h8300, *movqi_h8300hs, movqi): Use h8300_move_ok.
        (*movqi_h8sx, *movhi_h8300, *movhi_h8300hs, movhi): Likewise.
        (movsi, *movsi_h8300, *movsi_h8300hs): Likewise.
        (*pushqi1_h8300): Rename from pushqi1_h8300; use PRE_MODIFY.
        (*pushqi1_h8300hs_<P>): Macroize from pushqi1_h8300hs_advanced
        and pushqi1_h8300hs_normal; use PRE_MODIFY and
        register_no_sp_elim_operand.
        (*pushhi1_h8300hs_<P>): Similarly.
        (pushqi1, pushhi1, pushhi1_h8300): Remove.
        * config/h8300/predicates.md (register_no_sp_elim_operand): New.

2011-08-02  Richard Henderson  <rth@redhat.com>

        PR target/49881
        * config/avr/avr.md (push<MPUSH>1): Don't constrain the operand.

2011-08-02  Jakub Jelinek  <jakub@redhat.com>

        * c-parser.c (enum c_parser_prec): New enum, moved from within
        c_parser_binary_expression.
        (c_parser_binary_expression): Add PREC argument.  Stop parsing
        if operator has lower or equal precedence than PREC.
        (c_parser_conditional_expression, c_parser_omp_for_loop): Adjust
        callers.
        (c_parser_omp_atomic): Handle parsing OpenMP 3.1 atomics.
        Adjust c_finish_omp_atomic caller.
        (c_parser_omp_taskyield): New function.
        (c_parser_pragma): Handle PRAGMA_OMP_TASKYIELD.
        (c_parser_omp_clause_name): Handle final and mergeable clauses.
        (c_parser_omp_clause_final, c_parser_omp_clause_mergeable): New
        functions.
        (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_FINAL
        and PRAGMA_OMP_CLAUSE_MERGEABLE.
        (OMP_TASK_CLAUSE_MASK): Allow final and mergeable clauses.
        (c_parser_omp_clause_reduction): Handle min and max.
        * c-typeck.c (c_finish_omp_clauses): Don't complain about
        const qualified predetermined vars in firstprivate clause.
        andle OMP_CLAUSE_FINAL and OMP_CLAUSE_MERGEABLE.
        Handle MIN_EXPR and MAX_EXPR.
        * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_FINAL
        and OMP_CLAUSE_MERGEABLE.
        (dump_generic_node): Handle OMP_ATOMIC_READ, OMP_ATOMIC_CAPTURE_OLD
        and OMP_ATOMIC_CAPTURE_NEW.
        * tree.c (omp_clause_num_ops): Add OMP_CLAUSE_FINAL and
        OMP_CLAUSE_MERGEABLE.
        (omp_clause_code_name): Likewise.
        (walk_tree_1): Handle OMP_CLAUSE_FINAL and OMP_CLAUSE_MERGEABLE.
        * tree.h (enum omp_clause_code): Add OMP_CLAUSE_FINAL
        and OMP_CLAUSE_MERGEABLE.
        (OMP_CLAUSE_FINAL_EXPR): Define.
        * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE_FINAL and
        OMP_CLAUSE_MERGEABLE.
        (expand_task_call): Likewise.
        (expand_omp_atomic_load, expand_omp_atomic_store): New functions.
        (expand_omp_atomic_fetch_op): Handle cases where old or new
        value is needed afterwards.
        (expand_omp_atomic): Call expand_omp_atomic_load resp.
        expand_omp_atomic_store.
        * gimplify.c (gimplify_omp_atomic, gimplify_expr): Handle
        OMP_ATOMIC_READ, OMP_ATOMIC_CAPTURE_OLD and OMP_ATOMIC_CAPTURE_NEW.
        (gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses): Handle
        OMP_CLAUSE_FINAL and OMP_CLAUSE_MERGEABLE.
        * tree-nested.c (convert_nonlocal_omp_clauses,
        convert_local_omp_clauses): Likewise.
        * tree.def (OMP_ATOMIC_READ, OMP_ATOMIC_CAPTURE_OLD,
        OMP_ATOMIC_CAPTURE_NEW): New.
        * gimple.h (GF_OMP_ATOMIC_NEED_VALUE): New.
        (gimple_omp_atomic_need_value_p, gimple_omp_atomic_set_need_value):
        New inlines.
        * omp-builtins.def (BUILT_IN_GOMP_TASKYIELD): New builtin.
        * doc/generic.texi: Mention OMP_CLAUSE_COLLAPSE,
        OMP_CLAUSE_UNTIED, OMP_CLAUSE_FINAL and OMP_CLAUSE_MERGEABLE.

2011-08-02  Kai Tietz  <ktietz@redhat.com>

        * gimple.c (canonicalize_cond_expr_cond): Handle cast from
        boolean-type.
        (ssa_forward_propagate_and_combine): Interprete result of
        forward_propagate_comparison.
        * gcc/gimple-fold.c (fold_gimple_assign): Add canonicalization for
        boolean-typed operands for comparisons.

2011-08-02  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/libgcc.S: Gather related function in the
        same input section.
        (__mulqihi3, __mulqihi3, __divmodqi4, __divmodhi4, __udivmodsi4,
        __divmodsi4): Use XCALL/XJMP instead of rcall/rjmp for external
        references.
        (__udivmodqi4, __divmodqi4, __udivmodhi4, __divmodhi4,
        __udivmodsi4, __divmodsi4, __prologue_saves__,
        __epilogue_restores__, _exit, __tablejump2__, __tablejump__,
        __do_copy_data, __do_clear_bss, __do_global_ctors,
        __do_global_dtors, __tablejump_elpm__): Enclose in DEFUN/ENDF.

2011-08-02  Uros Bizjak  <ubizjak@gmail.com>

        PR target/47766
        * doc/md.texi (stack_protect_set): The pattern moves ptr_mode value.
        (stack_protect_test): The pattern compares ptr_mode value.

2011-08-02  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000.c (rs6000_emit_prologue): Add REG_CFA_RESTORE
        note for save_LR_around_toc_setup sequence.

2011-08-01  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/lzcntintrin.h (__lzcnt64): Replace long with long long.

2011-08-01  Sebastian Pop  <sebastian.pop@amd.com>
            Joseph Myers  <joseph@codesourcery.com>

        * Makefile.in (hwint.o): Depend on DIAGNOSTIC_CORE_H.
        * hwint.c: Include diagnostic-core.h.
        (abs_hwi): New.
        (gcd): Moved here...
        (pos_mul_hwi): New.
        (mul_hwi): New.
        (least_common_multiple): Moved here...
        * hwint.h (gcd): ... from here.
        (least_common_multiple): ... from here.
        (HOST_WIDE_INT_MIN): New.
        (HOST_WIDE_INT_MAX): New.
        (abs_hwi): Declared.
        (gcd): Declared.
        (pos_mul_hwi): Declared.
        (mul_hwi): Declared.
        (least_common_multiple): Declared.
        * omega.c (check_pos_mul): Removed.
        (check_mul): Removed.
        (omega_solve_geq): Use pos_mul_hwi instead of check_pos_mul and
        mul_hwi instead of check_mul.

2011-08-01  Richard Henderson  <rth@redhat.com>

        PR target/49881
        * config/avr/avr.h (PUSH_ROUNDING): New.
        * config/avr/avr.md (pushqi1): Rename from *pushqi.
        (*pushhi, *pushsi, *pushsf): Remove.
        (MPUSH): New mode iterator.
        (push<MPUSH>1): New expander.

2011-08-01  Anatoly Sokolov  <aesok@post.ru>

        * config/mmix/mmix.h (PREFERRED_RELOAD_CLASS,
        PREFERRED_OUTPUT_RELOAD_CLASS): Remove macro.
        * config/mmix/mmix-protos.h (mmix_preferred_reload_class,
        mmix_preferred_output_reload_class): Remove.
        * config/mmix/mmix.c (mmix_preferred_reload_class,
        mmix_preferred_output_reload_class): Make static. Change rclass
        argument and return type to reg_class_t.
        (TARGET_PREFERRED_RELOAD_CLASS,
        TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.

2011-08-01  Joern Rennecke  <joern.rennecke@embecosm.com>

        * mode-switching.c (optimize_mode_switching): Fix bug in MODE_AFTER
        handling.

2011-08-01  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/47766
        * config/i386/i386.md (PTR): New.
        (stack_protect_set: Check TARGET_LP64 instead of TARGET_64BIT.
        (stack_protect_test): Likewise.
        (stack_protect_set_<mode>): Replace ":P" with ":PTR".
        (stack_tls_protect_set_<mode>): Likewise.
        (stack_tls_protect_test_<mode>): Likewise.

2011-08-01  Uros Bizjak  <ubizjak@gmail.com>

        PR target/49927
        * config/i386/i386.c (ix86_address_subreg_operand): New.
        (ix86_decompose_address): Use ix86_address_subreg_operand.
        (ix86_legitimate_address_p): Do not assert that subregs satisfy
        register_no_elim_operand in DImode.

2011-08-01  Ira Rosen  <ira.rosen@linaro.org>

        PR tree-optimization/49926
        * tree-vect-loop.c (vect_is_slp_reduction): Check that a statement
        in a chain doesn't have uses both inside and outside the loop.

2011-08-01  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/avr.h (mcu_type_s): Add errata_skip field.
        * config/avr/avr-devices.c (avr_mcu_types): Use it.
        * config/avr/avr-mcus.def (AVR_MCU): Use it.
        * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use it to builtin
        define __AVR_ERRATA_SKIP__ and __AVR_ERRATA_SKIP_JMP_CALL__.
        * config/avr/libgcc.S (__mulshisi3, __ffshi2, __fmulsu_exit):
        Use __AVR_ERRATA_SKIP_JMP_CALL__ instead of __AVR_HAVE_JMP_CALL__
        to detect if XJMP must not be skipped.

2011-08-02  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000-protos.h (rs6000_save_toc_in_prologue_p):
        Delete.
        * config/rs6000/rs6000.c (rs6000_save_toc_in_prologue_p): Make static.
        (rs6000_emit_prologue): Don't prematurely return when
        TARGET_SINGLE_PIC_BASE.  Don't emit eh_frame info in
        save_toc_in_prologue case.
        (rs6000_call_indirect_aix): Only disallow save_toc_in_prologue for
        calls_alloca.

2011-08-01  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/avr-devices.c: Delete SVN property svn:executable.
        * config/avr/predicates.md: Ditto.
        * config/avr/driver-avr.c: Ditto.
        * config/avr/genopt.sh: Set SVN property svn:executable to *.

2011-08-01  H.J. Lu  <hongjiu.lu@intel.com>

        * calls.c (emit_library_call_value_1): Declare size only if
        BLOCK_REG_PADDING is defined.

2011-08-01  Kirill Yukhin  <kirill.yukhin@intel.com>

        PR target/49547
        * config.gcc (i[34567]86-*-*): Replace abmintrin.h with lzcntintrin.h.
        (x86_64-*-*): Likewise.
        * config/i386/i386.opt (mlzcnt): New.
        * config/i386/abmintrin.h: File removed.
        (__lzcnt_u16, __lzcnt, __lzcnt_u64): Moved to ...
        * config/i386/lzcntintrin.h: ... here.  New file.
        (__lzcnt): Rename to ...
        (__lzcnt32): ... this.
        * config/i386/bmiintrin.h (head): Update copyright year.
        (__lzcnt_u16): Removed.
        (__lzcnt_u32): Likewise.
        (__lzcnt_u64): Likewise.
        * config/i386/x86intrin.h: Include lzcntintrin.h when __LZCNT__
        is defined, remove abmintrin.h.
        * config/i386/cpuid.h (bit_LZCNT): New.
        * config/i386/driver-i386.c (host_detect_local_cpu): Detect
        LZCNT feature.
        * config/i386/i386-c.c (ix86_target_macros_internal): Define
        __LZCNT__ if needed.
        * config/i386/i386.c (ix86_target_string): New option -mlzcnt.
        (ix86_option_override_internal): Handle LZCNT option.
        (ix86_valid_target_attribute_inner_p): Likewise.
        (struct builtin_description bdesc_args) <IX86_BUILTIN_CLZS>: Update.
        * config/i386/i386.h (TARGET_LZCNT): New.
        (CLZ_DEFINED_VALUE_AT_ZERO): Update.
        * config/i386/i386.md (clz<mode>2): Update insn constraint.
        (clz<mode>2_lzcnt): Likewise.
        * doc/invoke.texi: Mention -mlzcnt option.
        * doc/extend.texi: Likewise.

2011-08-01  Julian Brown  <julian@codesourcery.com>

        * configure.ac (fixed-point): Add ARM support.
        * configure: Regenerate.
        * config/arm/arm.c (arm_fixed_mode_set): New struct.
        (arm_set_fixed_optab_libfunc): New.
        (arm_set_fixed_conv_libfunc): New.
        (arm_init_libfuncs): Initialise fixed-point helper libfuncs with
        ARM-specific names.
        (aapcs_libcall_value): Return sub-word-size fixed-point libcall
        return values in SImode.
        (arm_return_in_msb): Return fixed-point types in the msb.
        (arm_pad_reg_upwards, arm_pad_arg_upwards): Pad fixed-point types
        upwards.
        (arm_scalar_mode_supported_p): Support fixed-point modes.
        (arm_vector_mode_supported_p): Support vector fixed-point modes.
        * config/arm/arm.h (SHORT_FRACT_TYPE_SIZE, FRACT_TYPE_SIZE)
        (LONG_FRACT_TYPE_SIZE, LONG_LONG_FRACT_TYPE_SIZE)
        (SHORT_ACCUM_TYPE_SIZE, ACCUM_TYPE_SIZE, LONG_ACCUM_TYPE_SIZE)
        (LONG_LONG_ACCUM_TYPE_SIZE, MAX_FIXED_MODE_SIZE): Define.
        * config/arm/iterators.md (FIXED, ADDSUB, UQADDSUB, QADDSUB, QMUL):
        New mode iterators.
        (qaddsub_suf): New mode attribute.
        * config/arm/arm-modes.def (FRACT, UFRACT, ACCUM, UACCUM): Declare
        vector modes.
        * config/arm/predicates.md (sat_shift_operator): New predicate.
        * config/arm/arm-fixed.md: New.
        * config/arm/arm.md: Include arm-fixed.md.
        * config/arm/t-arm (MD_INCLUDES): Add arm-fixed.md.

2011-08-01  Julian Brown  <julian@codesourcery.com>

        * calls.c (emit_library_call_value_1): Support padding for libcall
        arguments and return values.
        * config/arm/arm.c (arm_pad_arg_upward): Pad half-float values
        downwards in big-endian mode.

2011-08-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR debug/49887
        * config/sol2.c (solaris_code_end): Rename to solaris_file_end.
        * config/sol2-protos.h: Likewise.
        * config/i386/i386.c (ix86_code_end) [TARGET_SOLARIS]: Don't call
        solaris_code_end.
        * config/i386/sol2.h [!USE_GAS] (TARGET_ASM_FILE_END): Redefine.
        * config/sparc/sparc.c (sparc_file_end) [TARGET_SOLARIS]: Call
        solaris_file_end.
        * config/sparc/sol2.h (TARGET_ASM_CODE_END): Remove.

2011-08-01  Julian Brown  <julian@codesourcery.com>

        * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Support FIXED_CST.

2011-08-01  Julian Brown  <julian@codesourcery.com>

        * final.c (output_addr_const): Print fixed-point constants as
        decimal not hex.

2011-08-01  Richard Guenther  <rguenther@suse.de>

        * stor-layout.c (initialize_sizetypes): Properly sign-extend
        bitsiztype TYPE_MAX_VALUE.

2011-08-01  Julian Brown  <julian@codesourcery.com>

        * optabs.c (prepare_cmp_insn): Use correct biasing for fixed-point
        comparison helpers.

2011-07-31  Richard Henderson  <rth@redhat.com>

        * config/h8300/crti.asm: Add flags to .section directive.
        * config/h8300/crtn.asm: Likewise.

2011-07-31  Richard Henderson  <rth@redhat.com>

        * stor-layout.c (initialize_sizetypes): Handle unsigned short.
        * tree.c (build_common_tree_nodes): Likewise.

2011-07-31  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/49880
        * config/sh/sh.md (udivsi3_i1): Enable for TARGET_DIVIDE_CALL_DIV1.
        (divsi3_i1): Likewise.

2011-07-31  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        PR tree-optimization/49749
        * tree-ssa-reassoc.c (get_rank): New forward declaration.
        (PHI_LOOP_BIAS): New macro.
        (phi_rank): New function.
        (loop_carried_phi): Likewise.
        (propagate_rank): Likewise.
        (get_rank): Add calls to phi_rank and propagate_rank.

2011-07-31  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/x86-64.h (SIZE_TYPE): Check TARGET_LP64 instead
        of TARGET_64BIT.
        (PTRDIFF_TYPE): Likewise.

2011-07-31  Uros Bizjak  <ubizjak@gmail.com>

        PR target/49920
        * config/i386/i386.md (strset): Do not expand strset_singleop
        when %eax or $edi are fixed.
        (*strsetdi_rex_1): Disable when %eax or %edi are fixed.
        (*strsetsi_1): Ditto.
        (*strsethi_1): Ditto.
        (*strsetqi_1): Ditto.
        (*rep_stosdi_rex64): Disable when %eax, %ecx or %edi are fixed.
        (*rep_stossi): Ditto.
        (*rep_stosqi): Ditto.
        (*strlenqi_1): Ditto.
        (cmpstrnsi): Also fail when %ecx is fixed.
        (*cmpstrnqi_nz_1): Disable when %ecx, %esi or %edi are fixed.
        (*cmpstrnqi_1): Ditto.
        (*strmovdi_rex_1): Disable when %esi or %edi are fixed.
        (*strmovsi_1): Ditto.
        (*strmovhi_1): Ditto.
        (*strmovqi_1): Ditto.
        (*rep_movdi_rex64): Disable when %ecx, %esi or %edi are fixed.
        (*rep_movsi): Ditto.
        (*rep_movqi): Ditto.

2011-07-31  Mikael Pettersson  <mikpe@it.uu.se>

        PR target/47908
        * config/m68k/m68k.c (m68k_override_options_after_change): New function.
        Disable instruction scheduling for non-ColdFire targets.
        (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): Define.

2011-07-31  Revital Eres  <revital.eres@linaro.org>

        * ddg.c (create_ddg_dep_from_intra_loop_link): Remove the creation
        of anti-dep edge from a branch.
        (add_cross_iteration_register_deps): Create anti-dep edge from
        a branch.

2011-07-31  Revital Eres  <revital.eres@linaro.org>

        * modulo-sched.c: Change comment.
        (reset_sched_times): Fix print message.
        (print_partial_schedule): Add print info.

2011-07-31  Tom de Vries  <tom@codesourcery.com>

        PR middle-end/43513
        * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Use max of
        get_object_alignment and TYPE_ALIGN.

2011-07-30  Tom de Vries  <tom@codesourcery.com>

        PR middle-end/43513
        * tree-ssa-dce.c (ref_may_be_aliased): Add assert.
        (propagate_necessity): Handle WITH_SIZE_EXPR call arg.

2011-07-29  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/mips/driver-native.c [__sgi__]: Include <invent.h>,
        <sys/sbd.h>.
        (cpu_types): New array.
        (cputype): New function.
        (host_detect_local_cpu): Only define buf, f if !__sgi__.
        Use scaninvent instead of /proc/cpuinfo if __sgi__.
        * config.host: Also use driver-native.o, mips/x-native on
        mips-sgi-irix*.
        * config/mips/iris6.h [__mips__] (host_detect_local_cpu): Declare.
        (EXTRA_SPEC_FUNCTIONS, MARCH_MTUNE_NATIVE_SPECS): Define.
        (DRIVER_SELF_SPECS): Add MARCH_MTUNE_NATIVE_SPECS.

2011-07-29  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/49897
        PR middle-end/49898
        * omp-low.c (use_pointer_for_field): If disallowing copy-in/out
        in nested parallel and outer is a gimple_reg, mark it as addressable
        and set its bit in task_shared_vars bitmap too.

2011-07-29  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/predicates.md (tp_or_register_operand): Remove predicate.

2011-07-29  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/alpha/driver-alpha.c (IMPLVER_EV4_FAMILY,
        IMPLVER_EV5_FAMILY, IMPLVER_EV6_FAMILY, IMPLVER_EV7_FAMILY): Define.
        (AMASK_BWX, AMASK_FIX, AMASK_CIX, AMASK_MVI, AMASK_PRECISE,
        AMASK_LOCKPFTCHOK): Define.
        (host_detect_local_cpu): Remove buf, f, cpu_names.
        Define cpu_types, implver, amask.
        Use __builtin_alpha_implver, __builtin_alpha_amask to determine
        native CPU.
        * config.host: Also use driver-alpha.o, alpha/x-alpha on
        alpha*-dec-osf*.
        * config/alpha/osf5.h [__alpha__ || __alpha]
        (host_detect_local_cpu): Declare.
        (EXTRA_SPEC_FUNCTIONS, MCPU_MTUNE_NATIVE_SPECS)
        (DRIVER_SELF_SPECS): Define.

2011-07-29  Uros Bizjak  <ubizjak@gmail.com>

        PR target/47715
        * config/i386/i386.md (*load_tp_x32): New.
        (*load_tp_x32_zext): Ditto.
        (*add_tp_x32): Ditto.
        (*add_tp_x32_zext): Ditto.
        (*load_tp_<mode>): Disable for TARGET_X32 targets.
        (*add_tp_<mode>): Ditto.
        * config/i386/i386.c (get_thread_pointer): Load thread pointer in
        ptr_mode and convert to Pmode if needed.

2011-07-29  Georg-Johann Lay  <avr@gjlay.de>

        PR target/49687
        * config/avr/avr.md (mulsi3, *mulsi3, mulu<mode>si3,
        muls<mode>si3, mulohisi3, mulhisi3, umulhisi3, usmulhisi3,
        *<any_extend:extend_prefix><any_extend2:extend_prefix>mul<QIHI:mode><QIHI2:mode>si3):
        Add X to register footprint: Clobber r26/r27.

2011-07-29  Richard Guenther  <rguenther@suse.de>

        * builtins.c (fold_builtin_signbit): Build the comparison
        with a proper type.

2011-07-29  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/49893
        * tree-predcom.c (suitable_reference_p): Volatile references
        are not suitable.

2011-07-29  Georg-Johann Lay  <avr@gjlay.de>

        PR target/49313
        * config/avr/libgcc.S (__ffshi2): Don't skip 2-word instruction.
        (__ctzsi2): Result for 0 may be undefined.
        (__ctzhi2): Result for 0 may be undefined.
        (__popcounthi2): Don't clobber r30. Use __popcounthi2_tail.
        (__popcountsi2): Ditto. And don't clobber r26.
        (__popcountdi2): Ditto. And don't clobber r27.
        * config/avr/avr.md (UNSPEC_COPYSIGN): New c_enum.
        (parityhi2): New expand.
        (paritysi2): New expand.
        (popcounthi2): New expand.
        (popcountsi2): New expand.
        (clzhi2): New expand.
        (clzsi2): New expand.
        (ctzhi2): New expand.
        (ctzsi2): New expand.
        (ffshi2): New expand.
        (ffssi2): New expand.
        (copysignsf3): New insn.
        (bswapsi2): New expand.
        (*parityhi2.libgcc): New insn.
        (*parityqihi2.libgcc): New insn.
        (*paritysihi2.libgcc): New insn.
        (*popcounthi2.libgcc): New insn.
        (*popcountsi2.libgcc): New insn.
        (*popcountqi2.libgcc): New insn.
        (*popcountqihi2.libgcc): New insn-and-split.
        (*clzhi2.libgcc): New insn.
        (*clzsihi2.libgcc): New insn.
        (*ctzhi2.libgcc): New insn.
        (*ctzsihi2.libgcc): New insn.
        (*ffshi2.libgcc): New insn.
        (*ffssihi2.libgcc): New insn.
        (*bswapsi2.libgcc): New insn.

2011-07-29  Richard Guenther  <rguenther@suse.de>

        * tree-vrp.c (get_value_range): Only set parameter default
        definitions to varying, leave others at undefined.
        (extract_range_from_binary_expr): Fix undefined handling.
        (vrp_visit_phi_node): Handle merged undefined state.

2011-07-29  Wei Guozhi  <carrot@google.com>

        PR rtl-optimization/49799
        * combine.c (make_compound_operation): Check if the bit field is valid
        before change it to bit field extraction.

2011-07-29  Bernd Schmidt  <bernds@codesourcery.com>

        PR rtl-optimization/49891
        * cfgrtl.c (force_nonfallthru_and_redirect): Set JUMP_LABEL for
        newly created returnjumps.

2011-07-28  DJ Delorie  <dj@redhat.com>

        * expr.c (expand_expr_addr_expr_1): Detect a user request for a
        local frame in a naked function, and produce a suitable error for
        that specific case.

        * config/m32c/m32c.c (m32c_secondary_reload_class): Allow PSI
        registers to be reloaded in HI classes when the target is HI.

2011-07-28  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c: Replace v1, v2, lb, ub with
        bound_one, bound_two.

2011-07-28  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/48648
        * graphite-clast-to-gimple.c (clast_get_body_of_loop): Handle
        CLAST assignments.
        (translate_clast): Same.
        (translate_clast_assignment): New.

2011-07-28  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/49876
        * sese.c (rename_uses): Do not return false on gloog_error: set
        the new_expr to integer_zero_node and continue code generation.
        (graphite_copy_stmts_from_block): Remove early exit on gloog_error.

2011-07-28  Jakub Jelinek  <jakub@redhat.com>

        PR debug/49846
        * var-tracking.c (prepare_call_arguments): For non-MODE_INT stack
        arguments also check if they aren't initialized with a MODE_INT
        mode of the same size.

2011-07-28  Aldy Hernandez  <aldyh@redhat.com>

        * expr.c (get_bit_range): Handle *MEM_REF's.

2011-07-28  Bernd Schmidt  <bernds@codesourcery.com>

        * rtlanal.c (tablejump_p): False for returns.
        * reorg.c (first_active_target_insn): New static function.
        (find_end_label): Set JUMP_LABEL for a new returnjump.
        (optimize_skip, get_jump_flags, rare_destination,
        mostly_true_jump, get_branch_condition,
        steal_delay_list_from_target, own_thread_p,
        fill_simple_delay_slots, follow_jumps, fill_slots_from_thread,
        fill_eager_delay_slots, relax_delay_slots, make_return_insns,
        dbr_schedule): Adjust to handle ret_rtx in JUMP_LABELs.
        * jump.c (delete_related_insns): Likewise.
        (jump_to_label_p): New function.
        (redirect_target): New static function.
        (redirect_exp_1): Use it.  Adjust to handle ret_rtx in JUMP_LABELS.
        (redirect_jump_1): Assert that the new label is nonnull.
        (redirect_jump): Likewise.
        (redirect_jump_2): Check for ANY_RETURN_P rather than NULL labels.
        * ifcvt.c (find_if_case_1): Take care when redirecting jumps to the
        exit block.
        (dead_or_predicable): Change NEW_DEST arg to DEST_EDGE.  All callers
        changed.  Ensure that the right label is passed to redirect_jump.
        * function.c (emit_return_into_block,
        thread_prologue_and_epilogue_insns): Ensure new returnjumps have
        ret_rtx in their JUMP_LABEL.
        * print-rtl.c (print_rtx): Handle ret_rtx in a JUMP_LABEL.
        * emit-rtl.c (skip_consecutive_labels): Allow the caller to
        pass ret_rtx as label.
        * cfglayout.c (fixup_reorder_chain): Use
        force_nonfallthru_and_redirect rather than force_nonfallthru.
        (duplicate_insn_chain): Copy JUMP_LABELs for returns.
        * rtl.h (ANY_RETURN_P): New macro.
        (jump_to_label_p): Declare.
        * resource.c (find_dead_or_set_registers): Handle ret_rtx in
        JUMP_LABELs.
        (mark_target_live_regs): Likewise.
        * basic-block.h (force_nonfallthru_and_redirect): Declare.
        * cfgrtl.c (force_nonfallthru_and_redirect): No longer static.
        * config/alpha/alpha.c (alpha_tablejump_addr_vec,
        alpha_tablejump_best_label): Remove functions.
        * config/alpha/alpha-protos.c (alpha_tablejump_addr_vec,
        alpha_tablejump_best_label): Remove declarations.
        * config/sh/sh.c (barrier_align, split_branches): Adjust for
        ret_rtx in JUMP_LABELs.
        * config/arm/arm.c (is_jump_table): Likewise.

2011-07-28  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/predicates.md (pic_32bit_opreand): Do not define as
        special predicate.  Remove explicit mode checks.

2011-07-28  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (resolve_addr): For -gdwarf-2 don't optimize
        DW_AT_data_member_location containing just DW_OP_plus_uconst.

        PR debug/49871
        * dwarf2out.c (size_of_die, value_format, output_die): Use
        DW_FORM_udata instead of DW_FORM_data[48] for
        dw_val_class_unsigned_const DW_AT_data_member_location for DWARF 3.

2011-07-28  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.md (*tls_global_dynamic_64): Update
        length attribute.

2011-07-28  Uros Bizjak  <ubizjak@gmail.com>

        PR target/47715
        * config/i386/i386.md (*tls_global_dynamic_64): Remove mode from
        tls_symbolic_operand check.  Update code sequence for TARGET_X32.
        (tls_global_dynamic_64): Remove mode from tls_symbolic_operand check.
        (tls_dynamic_gnu2_64): Ditto.
        (*tls_dynamic_gnu2_lea_64): Ditto.
        (*tls_dynamic_gnu2_call_64): Ditto.
        (*tls_dynamic_gnu2_combine_64): Ditto.

2011-07-28  H.J. Lu  <hongjiu.lu@intel.com>

        * config.gcc: Set need_64bit_hwint to yes for x86 targets.

2011-07-28  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/47364
        * config/i386/i386.md (strlen<mode>): Replace SWI48x with P.

2011-07-28  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

        * config/arm/vfp.md ("*movdf_vfp"): Handle the VFP constraints
        before the core constraints. Adjust attributes.
        ("*thumb2_movdf_vfp"): Likewise.

2011-07-28  Kai Tietz  <ktietz@redhat.com>

        * tree-vrp.c (simplify_stmt_using_ranges): Remove TRUTH_NOT_EXPR case.
        (simplify_truth_ops_using_ranges): Likewise.
        (build_assert_expr_for): Likewise.
        (build_assert_expr_for_1): Remove TRUTH_NOT_EXPR case
        and handle BIT_NOT_EXPR for truth-operation.

2011-07-28  Georg-Johann Lay  <avr@gjlay.de>

        PR target/49313
        Undo r176835 from trunk
        2011-07-27  Georg-Johann Lay

2011-07-28  Georg-Johann Lay  <avr@gjlay.de>

        PR target/49687
        * config/avr/t-avr (LIB1ASMFUNCS): Remove _xmulhisi3_exit.
        Add _muluhisi3, _mulshisi3, _usmulhisi3.
        * config/avr/libgcc.S (__mulsi3): Rewrite.
        (__mulhisi3): Rewrite.
        (__umulhisi3): Rewrite.
        (__usmulhisi3): New.
        (__muluhisi3): New.
        (__mulshisi3): New.
        (__mulohisi3): New.
        (__mulqi3, __mulqihi3, __umulqihi3, __mulhi3): Use DEFUN/ENDF to
        declare.
        * config/avr/predicates.md (pseudo_register_operand): Rewrite.
        (pseudo_register_or_const_int_operand): New.
        (combine_pseudo_register_operand): New.
        (u16_operand): New.
        (s16_operand): New.
        (o16_operand): New.
        * config/avr/avr.c (avr_rtx_costs): Handle costs for mult:SI.
        * config/avr/avr.md (QIHI, QIHI2): New mode iterators.
        (any_extend, any_extend2): New code iterators.
        (extend_prefix): New code attribute.
        (mulsi3): Rewrite. Turn insn to expander.
        (mulhisi3): Ditto.
        (umulhisi3): Ditto.
        (usmulhisi3): New expander.
        (*mulsi3): New insn-and-split.
        (mulu<mode>si3): New insn-and-split.
        (muls<mode>si3): New insn-and-split.
        (mulohisi3): New insn-and-split.
        (*uumulqihisi3, *uumulhiqisi3, *uumulhihisi3, *uumulqiqisi3,
        *usmulqihisi3, *usmulhiqisi3, *usmulhihisi3, *usmulqiqisi3,
        *sumulqihisi3, *sumulhiqisi3, *sumulhihisi3, *sumulqiqisi3,
        *ssmulqihisi3, *ssmulhiqisi3, *ssmulhihisi3, *ssmulqiqisi3): New
        insn-and-split.
        (*mulsi3_call): Rewrite.
        (*mulhisi3_call): Rewrite.
        (*umulhisi3_call): Rewrite.
        (*usmulhisi3_call): New insn.
        (*muluhisi3_call): New insn.
        (*mulshisi3_call): New insn.
        (*mulohisi3_call): New insn.
        (extendqihi2): Use combine_pseudo_register_operand as predicate
        for operand 1.
        (extendqisi2): Ditto.
        (zero_extendqihi2): Ditto.
        (zero_extendqisi2): Ditto.
        (zero_extendhisi2): Ditto.
        (extendhisi2): Ditto. Don't early-clobber operand 0.

2011-07-28  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (add->lea splitter): Add SWI mode to PLUS RTX.

2011-07-27  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/49471
        * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Build an unsigned
        iv only when the largest type is unsigned.  Do not call
        lang_hooks.types.type_for_size.

2011-07-27  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/45450
        * graphite-poly.c (apply_poly_transforms): Disable legality check
        after an openscop read.

2011-07-27  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/47691
        * graphite-clast-to-gimple.c (translate_clast_user): Update use of
        copy_bb_and_scalar_dependences.
        * sese.c (rename_uses): Do not call gcc_assert.  Set gloog_error.
        (graphite_copy_stmts_from_block): Update call to rename_uses.
        (copy_bb_and_scalar_dependences): Update call to
        graphite_copy_stmts_from_block.
        * sese.h (copy_bb_and_scalar_dependences): Update declaration.

2011-07-27  Georg-Johann Lay  <avr@gjlay.de>

        PR target/49313
        * config/avr/libgcc.S (__ffshi2): Don't skip 2-word instruction.
        (__ctzsi2): Result for 0 may be undefined.
        (__ctzhi2): Result for 0 may be undefined.
        (__popcounthi2): Don't clobber r30. Use __popcounthi2_tail.
        (__popcountsi2): Ditto. And don't clobber r26.
        (__popcountdi2): Ditto. And don't clobber r27.
        * config/avr/avr.md (UNSPEC_COPYSIGN): New c_enum.
        (parityhi2): New expand.
        (paritysi2): New expand.
        (popcounthi2): New expand.
        (popcountsi2): New expand.
        (clzhi2): New expand.
        (clzsi2): New expand.
        (ctzhi2): New expand.
        (ctzsi2): New expand.
        (ffshi2): New expand.
        (ffssi2): New expand.
        (copysignsf3): New insn.
        (bswapsi2): New expand.
        (*parityhi2.libgcc): New insn.
        (*parityqihi2.libgcc): New insn.
        (*paritysihi2.libgcc): New insn.
        (*popcounthi2.libgcc): New insn.
        (*popcountsi2.libgcc): New insn.
        (*popcountqi2.libgcc): New insn.
        (*popcountqihi2.libgcc): New insn-and-split.
        (*clzhi2.libgcc): New insn.
        (*clzsihi2.libgcc): New insn.
        (*ctzhi2.libgcc): New insn.
        (*ctzsihi2.libgcc): New insn.
        (*ffshi2.libgcc): New insn.
        (*ffssihi2.libgcc): New insn.
        (*bswapsi2.libgcc): New insn.

2011-07-27  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_expand_move): Do not explicitly check
        the mode of symbolic_opreand RTXes.

2011-07-27  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/predicates.md (x86_64_movabs_operand): Return false
        for pic_32bit_operand RTXes.
        * config/i386/i386.c (ix86_expand_move): Check x86_64_movabs_operand
        in DImode.

2011-07-27  Kai Tietz  <ktietz@redhat.com>

        * config/i386/i386.c (ix86_option_override_internal): Allow -mabi
        for 32-bit, too.
        (ix86_handle_abi_attribute): Allow function attributes
        ms_abi/sysv_abi in 32-bit mode, too.
        * doc/extend.texi: Adjust attribute documentation.

        * gimple-fold.c (or_comparisons_1): Remove TRUTH_AND/OR
        expression handling.
        (and_var_with_comparison_1): Likewise.

2011-07-27  Aldy Hernandez  <aldyh@redhat.com>

        * params.h (ALLOW_STORE_DATA_RACES): New.
        * params.def (PARAM_ALLOW_STORE_DATA_RACES): New.
        * Makefile.in (expr.o): Depend on PARAMS_H.
        * machmode.h (get_best_mode): Add argument.
        * fold-const.c (optimize_bit_field_compare): Add argument to
        get_best_mode.
        (fold_truthop): Same.
        * ifcvt.c (noce_emit_move_insn): Add argument to store_bit_field.
        * expr.c (emit_group_store): Same.
        (copy_blkmode_from_reg): Same.
        (write_complex_part): Same.
        (optimize_bitfield_assignment_op): Add argument.
        Add argument to get_best_mode.
        (get_bit_range): New.
        (expand_assignment): Calculate maxbits and pass it down accordingly.
        (store_field): New argument.
        (expand_expr_real_2): New argument to store_field.  Include params.h.
        * expr.h (store_bit_field): New argument.
        * stor-layout.c (get_best_mode): Restrict mode expansion by taking
        into account maxbits.
        * calls.c (store_unaligned_arguments_into_pseudos): New argument
        to store_bit_field.
        * expmed.c (store_bit_field_1): New argument.  Use it.
        (store_bit_field): Same.
        (store_fixed_bit_field): Same.
        (store_split_bit_field): Same.
        (extract_bit_field_1): Pass new argument to get_best_mode.
        (extract_bit_field): Same.
        * stmt.c (store_bit_field): Pass new argument to store_bit_field.
        * doc/invoke.texi: Document parameter allow-store-data-races.

2011-07-27  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (gen_producer_string): Ignore also -fverbose-asm option.

2011-07-27  Kai Tietz  <ktietz@redhat.com>

        * tree-vrp.c (extract_range_from_binary_expr): Remove
        TRUTH-binary cases and add new bitwise-cases.
        (extract_range_from_assignment): Likewise.
        (register_edge_assert_for_1): Likeiwise.
        (register_edge_assert_for): Likewise.
        (simplify_truth_ops_using_ranges): Likewise.
        (simplify_stmt_using_ranges): Likewise.

2011-07-26  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/47372
        * config/i386/i386.c (ix86_delegitimize_address): Call
        simplify_gen_subreg for PIC with mode of x only if modes of
        x and orig_x are different.

2011-07-26  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (output_macinfo_op): Ensure fd->filename points
        to GC allocated copy of the string.
        (dwarf2out_finish): Emit .debug_macinfo or .debug_macro sections
        before .debug_line, not after it.

2011-07-26  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/47046
        * tree-chrec.h (evolution_function_is_affine_p): Recursively call
        evolution_function_is_affine_p on CHREC_RIGHT.

2011-07-26  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-data-ref.c (max_stmt_executions_tree): Do not call
        lang_hooks.types.type_for_size.

2011-07-26  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/47653
        * graphite-scop-detection.c (graphite_can_represent_loop): Discard
        loops using wrapping semantics.

2011-07-26  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/48805
        * tree-scalar-evolution.c (instantiate_scev_r): Return
        chrec_dont_know for ADDR_EXPR.

2011-07-26  Uros Bizjak  <ubizjak@gmail.com>
            H.J. Lu  <hongjiu.lu@intel.com>

        PR target/47369
        PR target/49853
        * config/i386/i386.c (ix86_expand_move): Call convert_to_mode
        if legitimize_tls_address returned operand in wrong mode. Allow
        SImode and DImode symbolic operand for PIC.  Call convert_to_mode
        if legitimize_pic_address returned operand in wrong mode.

2011-07-26  Martin Jambor  <mjambor@suse.cz>

        * tree-sra.c (tree_non_mode_aligned_mem_p): Strip conversions and
        return false for invariants.

2011-07-26  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (add->lea splitter): Implement using SWI
        mode iterator.  Change operand 2 predicate to <nonmemory_operand>.
        (add->lea zext splitter): Change operand 2 predicate to
        x86_64_nonmemory_operand.

2011-07-26  Richard Guenther  <rguenther@suse.de>

        * predict.c (maybe_hot_frequency_p): Make sure a zero entry-block
        frequency makes everything hot.

2011-07-26  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/49840
        * tree-vrp.c (range_fits_type_p): Properly handle full
        double-int precision.

2011-07-26  Martin Jambor  <mjambor@suse.cz>

        PR bootstrap/49786
        * ipa-cp.c (update_profiling_info): Avoid overflow when updating
        counts.
        (update_specialized_profile): Likewise.

2011-07-26  Uros Bizjak  <ubizjak@gmail.com>
            H.J. Lu  <hongjiu.lu@intel.com>

        PR target/47381
        PR target/49832
        PR target/49833
        * config/i386/i386.md (i): Change SImode attribute to "e".
        (g): Change SImode attribute to "rme".
        (di): Change SImode attribute to "nF".
        (general_operand): Change SImode attribute to x86_64_general_operand.
        (general_szext_operand): Change SImode attribute to
        x86_64_szext_general_operand.
        (immediate_operand): Change SImode attribute to
        x86_64_immediate_operand.
        (nonmemory_operand): Change SImode attribute to
        x86_64_nonmemory_operand.
        (*movdi_internal_rex64): Remove mode from pic_32bit_operand check.
        (*movsi_internal): Ditto.  Use "e" constraint in alternative 2.
        (*lea_1): Use SWI48 mode iterator.
        (*lea_1_zext): New insn pattern.
        (testsi_ccno_1): Use x86_64_nonmemory_operand predicate for operand 2.
        (*bt<mode>): Ditto.
        (*add<mode>1): Use x86_64_general_operand predicate for operand 2.
        Update operand constraints.
        (addsi_1_zext): Ditto.
        (*add<mode>2): Ditto.
        (*addsi_3_zext): Ditto.
        (*subsi_1_zext): Ditto.
        (*subsi_2_zext): Ditto.
        (*subsi_3_zext): Ditto.
        (*addsi3_carry_zext): Ditto.
        (*<plusminus_insn>si3_zext_cc_overflow): Ditto.
        (*mulsi3_1_zext): Ditto.
        (*andsi_1): Ditto.
        (*andsi_1_zext): Ditto.
        (*andsi_2_zext): Ditto.
        (*<any_or:code>si_1_zext): Ditto.
        (*<any_or:code>si_2_zext): Ditto.
        (*test<mode>_1): Use <general_operand> predicate for operand 1.
        (*and<mode>_2): Ditto.
        (mov<mode>cc): Use  <general_operand> predicate for operands 1 and 2.
        (add->lea splitter): Check operand modes in insn constraint.  Extend
        operands less than SImode wide to SImode.
        (add->lea zext splitter): Do not extend input operands to DImode.
        (*lea_general_1): Handle only QImode and HImode operands.
        (*lea_general_2): Ditto.
        (*lea_general_3): Ditto.
        (*lea_general_1_zext): Remove.
        (*lea_general_2_zext): Ditto.
        (*lea_general_3_zext): Ditto.
        (*lea_general_4): Check operand modes in insn constraint.  Extend
        operands less than SImode wide to SImode.
        (ashift->lea splitter): Ditto.
        * config/i386/i386.c (ix86_print_operand_address): Print address
        registers with 'q' modifier on 64bit targets.
        * config/i386/predicates.md (pic_32bit_opreand): Define as special
        predicate.  Reject non-SI and non-DI modes.

2011-07-25  Andrew Pinski  <apinski@cavium.com>

        PR tree-opt/49671
        * tree-inline.c (remap_gimple_op_r): Copy TREE_THIS_VOLATILE and
        TREE_THIS_NOTRAP into the inner most MEM_REF.
        Always copy TREE_THIS_VOLATILE.
        * tree-sra.c (ptr_parm_has_direct_uses): Check that the lhs, rhs and
        arguments are not volatile references.

2011-07-25  Richard Henderson  <rth@redhat.com>

        * insn-notes.def (NOTE_INSN_CFA_RESTORE_STATE): Remove.
        * final.c (final_scan_insn): Don't test for it.
        (rest_of_clean_state): Likewise.

2011-07-25  Richard Henderson  <rth@redhat.com>

        PR debug/49841
        * config/rs6000/rs6000.c (rs6000_frame_related): Return the insn.
        (emit_frame_save): Likewise.
        (rs6000_emit_prologue): Move the FRAME_RELATED_EXPR from the save
        insn onto a dummy blockage insn after the join label.

2011-07-25  Richard Henderson  <rth@redhat.com>

        * dwarf2cfi.c (dw_trace_info): Add ID member.
        (get_trace_index): Remove.  Change users to use ID member.
        (before_next_cfi_note): New.
        (connect_traces): Remove unreachable traces before the main loop.
        Look across one trace and generate remember/restore_state if needed.

2011-07-25  Richard Henderson  <rth@redhat.com>

        * dwarf2cfi.c (dump_cfi_row, debug_cfi_row): New.

2011-07-25  Joern Rennecke  <joern.rennecke@embecosm.com>

        * genattr.c (write_upcase, gen_attr <enum definition writing>):
        Move to ...
        * genattr-common.c ... here.
        (main): Call gen_attr.
        * optc-gen.awk: Make generated program include insn-attr-common.h .
        * Makefile.in (oprions.o): Depend on insn-attr-common.h

2011-07-25  Anatoly Sokolov  <aesok@post.ru>

        * config/m32c/m32c.h (PRINT_OPERAND, PRINT_OPERAND_ADDRESS,
        PRINT_OPERAND_PUNCT_VALID_P): Remove macro.
        * config/m32c/m32c-protos.h (m32c_print_operand_punct_valid_p,
        m32c_print_operand, m32c_print_operand_address): Remove.
        * config/m32c/m32c.c (m32c_print_operand_punct_valid_p): Make static.
        Change return type to bool. Change argument type to bool.
        (m32c_print_operand, m32c_print_operand_address): Make static.
        (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS,
        TARGET_PRINT_OPERAND_PUNCT_VALID_P): Define.

2011-07-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * doc/sourcebuild.texi (Effective-Target Keywords, Environment
        attributes): Document mmap.

2011-07-25  Anatoly Sokolov  <aesok@post.ru>

        * config/mmix/mmix.h (PRINT_OPERAND, PRINT_OPERAND_ADDRESS,
        PRINT_OPERAND_PUNCT_VALID_P): Remove macro.
        * config/mmix/mmix-protos.h (mmix_print_operand_punct_valid_p,
        mmix_print_operand, mmix_print_operand_address): Remove.
        * config/mmix/mmix.c (mmix_print_operand_punct_valid_p): Make static.
        Change return type to bool. Change argument type to bool.
        (mmix_print_operand, mmix_print_operand_address): Make static.
        (mmix_intval, mmix_output_condition): Change 'x' argument type
        to const_rtx.
        (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS,
        TARGET_PRINT_OPERAND_PUNCT_VALID_P): Define.

2011-07-25  Georg-Johann Lay  <avr@gjlay.de>

        PR target/39386
        * config/avr/avr.c (out_shift_with_cnt): Use tmp_reg as
        shift counter for x << x and x >> x shifts.

2011-07-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR target/47124
        * config.gcc: Reject *-*-solaris2 configuration.

2011-07-25  Richard Sandiford  <richard.sandiford@linaro.org>

        PR tree-optimization/49809
        * tree-ssa-phiopt.c (cond_if_else_store_replacement): Use
        gimple_get_lhs instead of gimple_assign_lhs.

2011-07-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * system.h [__cplusplus]: Wrap C function declarations in extern "C".

2011-07-25  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/49822
        * tree-ssa-forwprop.c (remove_prop_source_from_use): Robustify
        more.  Make sure to preserve stmts with side-effects.  Properly
        handle virtual defs, follow a longer def chain.

2011-07-22  Romain Geissler  <romain.geissler@gmail.com>

        PR plugins/45348
        PR plugins/48425
        PR plugins/46577
        * Makefile.in: Do not flatten c-family directory when installing
        plugin headers.

2011-07-25  Eric Botcazou  <ebotcazou@adacore.com>

        * ipa-inline.c (can_inline_edge_p): Look into DECL_STRUCT_FUNCTION of
        original nodes if we are dealing with virtual clones.

2011-07-25  Bernd Schmidt  <bernds@codesourcery.com>

        * common/config/c6x/c6x-common.c: New file.

2011-07-25  Roman Zhuykov  <zhroma@ispras.ru>

        * tree-flow.h (tree_ssa_loop_version): Remove unused declaration.

2011-07-25  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/49715
        * tree-vrp.c: Include expr.h and optabs.h.
        (range_fits_type_): New function.
        (simplify_float_conversion_using_ranges): Likewise.
        (simplify_stmt_using_ranges): Call it.
        * Makefile.in (tree-vrp.o): Add $(EXPR_H) and $(OPTABS_H) dependencies.
        * optabs.c (can_float_p): Export.
        * optabs.h (can_float_p): Declare.

2011-07-25  Richard Guenther  <rguenther@suse.de>

        * tree-vrp.c (num_vr_values, values_propagated): New global vars.
        (get_value_range): For out-of-range SSA names or names created
        after propagation return a read-only varying range.
        (dump_all_value_ranges): Adjust.
        (vrp_initialize): Likewise.
        (vrp_finalize): Likewise.

2011-07-24  Richard Henderson  <rth@redhat.com>

        PR debug/49831
        * dwarf2cfi.c (connect_traces): Allow unvisited traces.  Skip
        them entirely.

2011-07-24  Richard Henderson  <rth@redhat.com>

        PR debug/49825
        * dwarf2cfi.c (dwarf2out_stack_adjust): Move A_O_A test earlier.
        (dwarf2out_notice_stack_adjust): Use args_size from call_insn.

2011-07-24  Richard Henderson  <rth@redhat.com>

        PR debug/49827
        * dwarf2cfi.c (create_trace_edges): Handle sequences properly.

2011-07-24  Richard Henderson  <rth@redhat.com>

        * dwarf2cfi.c (maybe_record_trace_start): Add abnormal parameter.
        Zero args_size for abnormal edges.  Adjust all callers.

2011-07-24  Richard Henderson  <rth@redhat.com>

        PR debug/49825
        * dwarf2cfi.c (cfi_row_equal_p): Don't compare args_size.

2011-07-24  H.J. Lu  <hongjiu.lu@intel.com>

        PR bootstrap/49835
        * collect2.c (demangle_flag): Removed.

2011-07-24  Sandra Loosemore  <sandra@codesourcery.com>

        * configure.ac (demangler_in_ld): Default to yes.
        * configure: Regenerated.
        * collect2.c (main): When HAVE_LD_DEMANGLE is defined, don't
        mess with COLLECT_NO_DEMANGLE, and just pass --demangle and
        --no-demangle options straight through to ld.  When
        HAVE_LD_DEMANGLE is not defined, set COLLECT_NO_DEMANGLE in a
        way that has the intended effect on Windows.

2011-07-23  Richard Henderson  <rth@redhat.com>

        * dwarf2cfi.c: Include basic-block.h.
        (dw_label_info): Remove.
        (trace_work_list, trace_index): New.
        (remember_row, emit_cfa_remember): Remove.
        (dw_trace_info_hash, dw_trace_info_eq): New.
        (get_trace_index, get_trace_info): New.
        (save_point_p): New.
        (free_cfi_row): Remove.
        (add_cfi): Do not emit DW_CFA_remember_state.
        (cfa_row_equal_p): New.
        (barrier_args_size): Remove.
        (compute_barrier_args_size_1, compute_barrier_args_size): Remove.
        (dwarf2out_notice_stack_adjust): Don't compute_barrier_args_size.
        (maybe_record_trace_start, create_trace_edges, scan_trace): New.
        (dwarf2out_cfi_begin_epilogue): Remove.
        (dwarf2out_frame_debug_restore_state): Remove.
        (connect_traces, create_pseudo_cfg): New.
        (create_cfi_notes, execute_dwarf2_frame): Rewrite using traces.
        * Makefile.in (dwarf2cfi.o): Update.

2011-07-23  Richard Henderson  <rth@redhat.com>

        * dwarf2cfi.c (dw_trace_info): New.
        (dw_label_info): New.
        (cie_return_save): New.
        (cur_trace): New.
        (queued_args_size): Rename from args_size.  Update all users.
        (cfa_store, cfa_temp, regs_saved_in_regs): Remove.
        (def_cfa_1): Use cur_trace instead of cfa_*.
        (dwarf2out_stack_adjust, record_reg_saved_in_reg): Likewise.
        (clobbers_queued_reg_save, reg_saved_in): Likewise.
        (dwarf2out_frame_debug_expr): Likewise.
        (create_cie_data): Split out from ...
        (execute_dwarf2_frame): ... here.  Initialize cur_trace.

2011-07-23  Richard Henderson  <rth@redhat.com>

        * dwarf2cfi.c (regs_saved_in_regs): Allocate from heap, not gc.
        Update all users to match.
        (execute_dwarf2_frame): Free reg_saved_in_data.

2011-07-23  Richard Henderson  <rth@redhat.com>

        * dwarf2cfi.c (queued_reg_save): Reorder for packing.  Don't GTY.
        (queued_reg_saves): Don't GTY.  Change to a VEC.
        (queue_reg_save): Update to match.
        (dwarf2out_flush_queued_reg_saves): Likewise.
        (clobbers_queued_reg_save): Likewise.
        (reg_saved_in): Likewise.
        (execute_dwarf2_frame): Free queued_reg_saves.

2011-07-23  Richard Henderson  <rth@redhat.com>

        * dwarf2cfi.c (dw_cfi_row_ref): Remove.  Update all users.

2011-07-23  Richard Henderson  <rth@redhat.com>

        * dwarf2cfi.c (add_cfi_args_size): Split out from...
        (dwarf2out_args_size): ... here.
        (add_cfi_restore): Split out from ...
        (dwarf2out_frame_debug_cfa_restore): ... here.
        (def_cfa_0): Split out from ...
        (def_cfa_1): ... here.
        (cfi_oprnd_equal_p, cfi_equal_p): New.
        (change_cfi_row): New.
        (add_cfis_to_fde): Set fde->dw_fde_switch_cfi_index.
        (create_cfi_notes): Use change_cfi_row at SWITCH_TEXT note.
        (output_cfis): Remove.
        * dwarf2out.c (output_fde): Simplify output_cfi loop.
        (dwarf2out_switch_text_section): Don't call output_cfis.
        (dw_val_equal_p, loc_descr_equal_p_1, loc_descr_equal_p): New.
        * dwarf2out.h: Update decls.
        (enum dw_val_class): Add dw_val_class_none.

2011-07-23  Richard Henderson  <rth@redhat.com>

        * dwarf2cfi.c (update_row_reg_save): New.
        (dwarf2out_frame_debug_cfa_expression): Use it.
        (dwarf2out_frame_debug_cfa_restore): Likewise.
        (reg_save): Likewise.  Do not emit DW_CFA_same_value.

2011-07-23  Richard Henderson  <rth@redhat.com>

        * dwarf2cfi.c (add_cfi_insn): Rename from cfi_insn.  Update all users.

2011-07-23  Richard Henderson  <rth@redhat.com>

        * dwarf2cfi.c (dw_cfi_row, dw_cfi_row_ref): New.
        (cie_cfi_row): New.
        (new_cfi_row, copy_cfi_row, free_cfi_row): New.
        (cfa, old_cfa, cfa_remember, old_cfa_remember, old_args_size): Remove.
        (cur_row, remember_row): New.
        (def_cfa_1): Use cur_row instead of the old_* variables.
        (dwarf2out_frame_debug_restore_state): Similarly.
        (dwarf2out_args_size, dwarf2out_notice_stack_adjust): Likewise.
        (dwarf2out_frame_debug_def_cfa): Use a local variable instead of cfa.
        (dwarf2out_frame_debug_adjust_cfa): Likewise.
        (dwarf2out_frame_debug_cfa_offset): Likewise.
        (dwarf2out_frame_debug_expr): Likewise.
        (execute_dwarf2_frame): Set up cur_row.
        * dwarf2out.h (struct cfa_loc): Mark for GTY.

2011-07-23  Richard Henderson  <rth@redhat.com>

        * basic-block.h (EDGE_PRESERVE): New.
        (EDGE_ALL_FLAGS, EDGE_COMPLEX): Include it.
        * bb-reorder.c: Include except.h.
        (fix_up_crossing_landing_pad): New.
        (find_rarely_executed_basic_blocks_and_crossing_edges): Place
        landing pads in the right partition.  Duplicate as necessary.
        (partition_hot_cold_basic_blocks): Fix up DF info after
        duplicating landing pads.
        * cfg.c (dump_edge_info): Add crossing and preserve to bitnames.
        * cfgrtl.c (rtl_verify_flow_info_1): Validate that EDGE_CROSSING
        is set properly.  Validate that EH edges are not CROSSING.
        * except.c (expand_dw2_landing_pad_for_region): Split out from ...
        (dw2_build_landing_pads): ... here.
        (convert_to_eh_region_ranges): Remove code to fixup crossing
        landing pads.
        * except.h (expand_dw2_landing_pad_for_region): Declare.
        * tree-cfg.c (gimple_can_merge_blocks_p): Don't merge PRESERVE edges.

2011-07-23  Richard Earnshaw  <rearnsha@arm.com>

        PR target/49816
        * arm.c (aapcs_vfp_allocate_return_reg): Return NULL on failure.

2011-07-22  Jason Merrill  <jason@redhat.com>

        * doc/invoke.texi (C++ Dialect Options): Document -Wno-narrowing.

2011-07-22  Richard Henderson  <rth@redhat.com>

        * bb-reorder.c (gate_handle_partition_blocks): Honor optimize.

2011-07-22  Richard Henderson  <rth@redhat.com>

        * jump.c (maybe_propagate_label_ref): Split out of...
        (mark_all_labels): ... here.  Do not attempt label_ref
        propagation while in cfglayout mode.

2011-07-22  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (struct macinfo_struct): Change code to unsigned char.
        (DEBUG_MACRO_SECTION, DEBUG_MACRO_SECTION_LABEL): Define.
        (dwarf_attr_name): Handle DW_AT_GNU_macros.
        (dwarf2out_define): If the vector is empty and
        lineno is 0, emit a dummy entry first.
        (dwarf2out_undef): Likewise.  Remove redundant semicolon.
        (htab_macinfo_hash, htab_macinfo_eq, output_macinfo_op,
        optimize_macinfo_range): New functions.
        (output_macinfo): Use them.  If !dwarf_strict and .debug_str is
        mergeable, optimize longer strings using
        DW_MACRO_GNU_{define,undef}_indirect and if HAVE_COMDAT_GROUP,
        optimize longer sequences of define/undef ops from headers
        using DW_MACRO_GNU_transparent_include.  For !dwarf_strict
        emit a section headers.
        (dwarf2out_init): For !dwarf_strict set debug_macinfo_section
        and macinfo_section_label to DEBUG_MACRO_SECTION
        resp. DEBUG_MACRO_SECTION_LABEL.
        (dwarf2out_finish): For !dwarf_strict emit DW_AT_GNU_macros
        instead of DW_AT_macro_info.

        PR other/32998
        * common.opt (grecord-gcc-switches, gno-record-gcc-switches): New
        options.
        * dwarf2out.c: Include opts.h.
        (dchar_p): New typedef.  Define heap VEC for it.
        (producer_string): New variable.
        (gen_producer_string): New function.
        (gen_compile_unit_die): Use it.
        (dwarf2out_finish): Fix up comp_unit_die () DW_AT_producer if needed.
        * Makefile.in (dwarf2out.o): Depend on $(OPTS_H).
        * doc/invoke.texi: Document -grecord-gcc-switches and
        -gno-record-gcc-switches, add a -grecord-gcc-switches reference
        to -frecord-gcc-switches description.

2011-07-22  Jason Merrill  <jason@redhat.com>

        PR c++/30112
        * c-decl.c (c_linkage_bindings): Define.

2011-07-22  Eric Botcazou  <ebotcazou@adacore.com>

        PR debug/49815
        * var-tracking.c (vt_finalize): Always free windowed_parm_regs.

2011-07-22  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_option_override_internal): Disallow
        MS ABI in x32 mode.
        (ix86_init_builtins): Call ix86_init_builtins_va_builtins_abi
        only for TARGET_LP64.
        (ix86_handle_abi_attribute): Check TARGET_LP64 instead of TARGET_64BIT.

2011-07-22  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/rs6000.c (rs6000_xcoff_strip_dollar): Rewrite to
        avoid warnings when GCC is built with a C++ compiler.

2011-07-22  Martin Jambor  <mjambor@suse.cz>

        PR lto/49796
        * cgraphunit.c (verify_edge_corresponds_to_fndecl): Return false
        if decl node is in another partition, call cgraph_get_node only once.

2011-07-22  Uros Bizjak  <ubizjak@gmail.com>

        * config.gcc (x86_64-*-linux*): Set
        default_gnu_indirect_function to yes.

2011-07-22  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/45819
        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
        preserve volatile and notrap flags.

2011-07-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
            Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR bootstrap/49794
        * configure.ac: Test AM_ICONV with CXX.
        * configure: Regenerate.
        * config/sol2-c.c (solaris_format_types): Use EXPORTED_CONST.

2011-07-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR bootstrap/49797
        * graphite-clast-to-gimple.c (CLOOG_LANGUAGE_C): Provide if missing.
        (set_cloog_options): Use it.

2011-07-22  Jakub Jelinek  <jakub@redhat.com>

        PR c++/49756
        * gcc.c (main): Call stack_limit_increase (64MB).
        * toplev.c (toplev_main): Likewise.

2011-07-21  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_expand_call): Call copy_to_mode_reg
        instead of force_reg.

2011-07-21  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_expand_move): Convert to Pmode if
        needed and use force_reg after convert.
        (ix86_expand_call): Likewise.
        (ix86_expand_special_args_builtin): Likewise.
        (ix86_expand_builtin): Likewise.

2011-07-21  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/47654
        PR middle-end/49649
        * graphite-clast-to-gimple.c (type_for_clast_term): Pass v1 and v2
        in parameter.  Initialize v1 and v2 based on the values returned
        by clast_name_to_lb_ub.
        (type_for_clast_red): Pass v1 and v2 in parameter, and set their
        values.
        (type_for_clast_bin): Same.
        (type_for_clast_expr): Same.
        (type_for_clast_eq): Update calls to type_for_clast_expr.
        (type_for_clast_for): Same.
        (build_iv_mapping): Same.
        * graphite-ppl.h (value_min): New.

2011-07-21  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (type_for_interval): Generate signed
        types whenever possible.

2011-07-21  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (struct clast_name_index): Add lb
        and ub fields.
        (new_clast_name_index): Add lb and ub parameters.
        (free_clast_name_index): New.
        (clast_name_to_lb_ub): New.
        (save_clast_name_index): Add lb and ub parameters.
        (compute_bounds_for_param): New.
        (type_for_level): Removed.
        (type_for_clast_for): Removed level parameter.  Do not call
        type_for_level.
        (graphite_create_new_loop): Store the lb and ub for the clast_name
        of the iterator of the loop that has been generated.
        (graphite_create_new_loop_guard): Remove parameter level.
        (create_params_index): Store the lb and ub of each parameter.
        (gloog): Use free_clast_name_index.  Pass to create_params_index
        the current scop.

2011-07-21  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (max_signed_precision_type): Removed.
        (max_precision_type): Inline max_signed_precision_type.
        (type_for_clast_red): Use max_precision_type.
        (type_for_clast_bin): Same.
        (type_for_clast_for): Same.

2011-07-21  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (gcc_type_for_interval): Renamed
        type_for_interval.
        (gcc_type_for_value): Renamed type_for_value.
        (gcc_type_for_clast_term): Renamed type_for_clast_term.
        (gcc_type_for_clast_expr): Renamed type_for_clast_expr.
        (gcc_type_for_clast_red): Renamed type_for_clast_red.
        (gcc_type_for_clast_bin): Renamed type_for_clast_bin.
        (gcc_type_for_clast_eq): Renamed type_for_clast_eq.
        (graphite_translate_clast_equation): Update calls.
        (compute_type_for_level): Renamed type_for_level.
        (gcc_type_for_iv_of_clast_loop): Renamed type_for_clast_for.
        (build_iv_mapping): Update calls.
        (graphite_create_new_loop_guard): Same.

2011-07-21  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (clast_get_body_of_loop): Add fixme
        comment.

2011-07-21  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (struct ivs_params): New.
        (clast_name_to_gcc): Use ivs_params to pass around parameters.
        (clast_to_gcc_expression): Same.
        (clast_to_gcc_expression_red): Same.
        (gcc_type_for_clast_term): Same.
        (gcc_type_for_clast_expr): Same.
        (gcc_type_for_clast_red): Same.
        (gcc_type_for_clast_bin): Same.
        (gcc_type_for_clast_eq): Same.
        (graphite_translate_clast_equation): Same.
        (graphite_create_guard_cond_expr): Same.
        (graphite_create_new_guard): Same.
        (graphite_create_new_loop): Same.
        (build_iv_mapping): Same.
        (translate_clast_user): Same.
        (graphite_create_new_loop_guard): Same.
        (translate_clast): Same.
        (translate_clast_for_loop): Same.
        (translate_clast_for): Same.
        (translate_clast_guard): Same.
        (initialize_cloog_names): Fix typo.
        (gloog): Initialize an ivs_params struct, pass it to translate_clast.

2011-07-21  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (struct clast_name_index): Add level.
        (new_clast_name_index): Add level parameter.
        (clast_name_to_level): New.
        (save_clast_name_index): Add level parameter.
        (newivs_to_depth_to_newiv): Removed.
        (clast_name_to_gcc): Inlined newivs_to_depth_to_newiv.
        (graphite_create_new_loop): Add level parameter.  Pass level to
        save_clast_name_index.
        (translate_clast_for_loop): Pass level to graphite_create_new_loop.
        (create_params_index): Pass level to save_clast_name_index.

2011-07-21  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (graphite_create_new_loop): Do not
        recompute type, lb, and ub.  Get them from...
        (graphite_create_new_loop_guard): ...here.  Pass in parameter
        pointers to type, lb, and ub.
        (translate_clast_for_loop): Update function calls.
        (translate_clast_for): Same.

2011-07-21  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (compute_bounds_for_level): Call
        psct_dynamic_dim.
        (translate_clast_for_loop): Pass loop level to dependency_in_loop_p.
        (gcc_type_for_iv_of_clast_loop): Update use of level.
        (gloog): Start counting nesting level from 0.
        * graphite-clast-to-gimple.h (get_scattering_level): Removed.
        * graphite-dependences.c (graphite_carried_dependence_level_k): Call
        psct_dynamic_dim on level.

2011-07-21  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_legitimize_address): Convert to
        Pmode if needed.

2011-07-21  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (function_value_64): Always return pointers
        in Pmode.
        (ix86_promote_function_mode): New.
        (TARGET_PROMOTE_FUNCTION_MODE): Likewise.

2011-07-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        PR tree-optimization/49749
        * tree-ssa-reassoc.c (get_rank): Fix operand scan conditions and
        remove no-longer-used maxrank variable.

2011-07-21  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/avr.c (final_prescan_insn): Fix printing of rtx_costs.

2011-07-21  Jason Merrill  <jason@redhat.com>

        * system.h (HAVE_DESIGNATED_UNION_INITIALIZERS): New.
        * recog.h (struct insn_data_d): Check it instead of
        HAVE_DESIGNATED_INITIALIZERS.
        * genoutput.c (output_insn_data): Likewise.

2011-07-21  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/49770
        * tree-ssa-sccvn.c (valueize_refs_1): Return whether we
        valueized any operand.  Renamed from ...
        (valueize_refs): ... this.  New wrapper around valueize_refs_1.
        (valueize_shared_reference_ops_from_ref): Return whether we
        valueized any operand.
        (vn_reference_lookup): Only when we valueized any operand
        use the valueized reference for alias analysis.  Do not preserve
        the original reference tree in this case.

2011-07-21  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_decompose_address): Reject all but
        register operands and subregs of DImode hard registers in index.

2011-07-21  Kai Tietz  <ktietz@redhat.com>

        * fold-const.c (fold_unary_loc): Preserve indirect
        comparison cast to none-boolean type.
        * tree-ssa.c (useless_type_conversion_p): Preserve cast
        from/to boolean-type.
        * gimplify.c (gimple_boolify): Handle boolification of comparisons.
        (gimplify_expr): Boolifiy non aggregate-typed comparisons.
        * tree-cfg.c (verify_gimple_comparison): Check result
        type of comparison expression.
        * tree-ssa-forwprop.c (forward_propagate_comparison): Adjust test
        of condition result and disallow type-cast sinking into comparison.

2011-07-21  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-forwprop.c (combine_conversions): Return whether
        we have to run cfg-cleanup.  Properly remove dead stmts.
        (ssa_forward_propagate_and_combine): Adjust.

2011-07-21  Richard Sandiford  <richard.sandiford@linaro.org>

        * regcprop.c (maybe_mode_change): Check HARD_REGNO_MODE_OK.

2011-07-21  Kai Tietz  <ktietz@redhat.com>

        * tree-ssa-propagate.c (substitute_and_fold): Use
        do_dce flag to deside, if BB's statements are scanned
        in last to first, or first to last order.

2011-07-21  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/avr.c (avr_rtx_costs): Set cost of CONST, LABEL_REF to 0.

2011-07-20  H.J. Lu  <hongjiu.lu@intel.com>
            Uros Bizjak  <ubizjak@gmail.com>
            Richard Henderson  <rth@redhat.com>

        * config/i386/constraints.md (w): New.

        * config/i386/i386.c (ix86_output_addr_vec_elt): Check
        TARGET_LP64 instead of TARGET_64BIT for ASM_QUAD.

        * config/i386/i386.h (CASE_VECTOR_MODE): Check TARGET_LP64
        instead of TARGET_64BIT.

        * config/i386/i386.md (indirect_jump): Replace
        nonimmediate_operand with indirect_branch_operand.
        (*indirect_jump): Likewise.  Replace constraint "m" with "w".
        (tablejump): Replace nonimmediate_operand with indirect_branch_operand.
        Convert operand 0 to Pmode for x32 if not PIC.
        (*tablejump_1): Replace nonimmediate_operand with
        indirect_branch_operand.  Replace constraint "m" with "w".
        (*call_vzeroupper): Replace constraint "m" with "w".
        (*call): Likewise.
        (*call_rex64_ms_sysv_vzeroupper): Likewise.
        (*call_rex64_ms_sysv): Likewise.
        (*call_value_vzeroupper): Likewise.
        (*call_value): Likewise.
        (*call_value_rex64_ms_sysv_vzeroupper): Likewise.
        (*call_value_rex64_ms_sysv): Likewise.
        (set_got_offset_rex64): Check TARGET_LP64 instead of TARGET_64BIT.

        * config/i386/predicates.md (indirect_branch_operand): New.
        (call_insn_operand): Support x32.

2011-07-20  Michael Eager  <eager@eagercon.com>

        * params.def (PARAM_MAX_VARTRACK_EXPR_DEPTH): Default to 12.

2011-07-20  Richard Henderson  <rth@redhat.com>

        * cfg.c (dump_bb_info): Dump basic_block->flags.
        * cfgrtl.c (print_rtl_with_bb): Use dump_bb_info.

2011-07-20  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_decompose_address): Allow only subregs
        of DImode hard registers in index.
        (ix86_legitimate_address_p): Allow subregs of base and index to span
        more than a word.  Assert that subregs of base and index satisfy
        register_no_elim_operand predicates.  Reject addresses where
        base and index have different modes.

2011-07-20  Robert Millan  <rmh@gnu.org>

        * config.gcc (mips*-*-linux*): Remove redundant tm_file entry.

2011-07-20  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * bb-reorder.c (fix_crossing_conditional_branches): Fix crash by
        removing now-unnecessary assignment.

2011-07-20  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * emit-rtl.c (set_mem_attributes_minus_bitpos): Restore setting
        memory address space to the type's address space.

2011-07-20  Georg-Johann Lay  <avr@gjlay.de>

        PR target/36467
        PR target/49687
        * config/avr/avr.md (mulhi3): Use register_or_s9_operand for operand2
        and expand appropriately if there is a CONST_INT in operand2.
        (usmulqihi3): New insn.
        (*sumulqihi3): New insn.
        (*osmulqihi3): New insn.
        (*oumulqihi3): New insn.
        (*muluqihi3.uconst): New insn_and_split.
        (*muluqihi3.sconst): New insn_and_split.
        (*mulsqihi3.sconst): New insn_and_split.
        (*mulsqihi3.uconst): New insn_and_split.
        (*mulsqihi3.oconst): New insn_and_split.
        (*ashifthi3.signx.const): New insn_and_split.
        (*ashifthi3.signx.const7): New insn_and_split.
        (*ashifthi3.zerox.const): New insn_and_split.
        (mulsqihi3): New insn.
        (muluqihi3): New insn.
        (muloqihi3): New insn.
        * config/avr/predicates.md (const_2_to_7_operand): New.
        (const_2_to_6_operand): New.
        (u8_operand): New.
        (s8_operand): New.
        (o8_operand): New.
        (s9_operand): New.
        (register_or_s9_operand): New.

2011-07-20  Kai Tietz  <ktietz@redhat.com>

        * builtins.c (fold_builtin_expect): See through the cast
        from truthvalue_type_node to long.

2011-07-20  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/vsx.md (vsx_fma*): Use 4 argument fma instructions
        where we can use them from the standard and altivec instruction
        sets, instead of always using the 3 operand VSX forms that require
        the destination to overlap one of the inputs.
        (vsx_fms*): Ditto.
        (vsx_fnma*): Ditto.
        (vsx_fnms*): Ditto.

        * config/rs6000/rs6000.md (fmadf4_fpr): Set fp_type fp_maddsub_d
        for DF types.
        (fmsdf4_fpr): Ditto.
        (nfmadf4_fpr): Ditto.
        (nfmsdf4_fpr): Ditto.

2011-07-20  Sandra Loosemore  <sandra@codesourcery.com>

        * genrecog.c (make_insn_sequence): Correct position numbering
        when filtering out match_scratch and match_dup.

2011-07-20  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-forwprop.c (remove_prop_source_from_use): Robustify
        against already removed statements.
        (forward_propagate_into_comparison): Remove dead defining stmts.
        (forward_propagate_into_gimple_cond): Likewise.
        (forward_propagate_into_cond): Simplify.
        (ssa_forward_propagate_and_combine): Handle changed cfg from
        forward_propagate_into_comparison.
        * tree-ssa-phiopt.c (conditional_replacement): Use proper
        locations for newly built statements.

2011-07-20  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/avr.c (avr_rtx_costs): Set cost of SYMBOL_REF to 0.

2011-07-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.c (s390_class_max_nregs): Fix return type.
        * config/s390/s390-protos.h (s390_class_max_nregs): Likewise.

2011-07-20  Richard Guenther  <rguenther@suse.de>

        PR middle-end/18908
        * tree.c (integer_all_onesp): Use TYPE_PRECISION, not mode precision.
        * tree-ssa-forwprop.c (simplify_bitwise_binary): Remove bogus
        ADDR_EXPR folding.  Canonicalize X ^ ~0 as ~X.

2011-07-20  Vladimir Makarov  <vmakarov@redhat.com>

        * config/frv/frv.c (frv_register_move_cost): Define explicitly
        costs for subclasses of GR_REGS.

2011-07-20  Uros Bizjak  <ubizjak@gmail.com>

        PR target/49780
        * config/i386/predicates.md (no_seg_addres_operand): No more special.
        * config/i386/i386.c (ix86_decompose_address): Allow only subregs
        of DImode hard registers in base.
        (ix86_legitimate_address_p): Allow SImode and DImode base and index
        registers.

2011-07-20  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (new_var_info): Allocate oldsolution lazily.
        (unify_nodes): Deal with that.
        (solve_graph): Likewise.

2011-07-20  Chung-Lin Tang  <cltang@codesourcery.com>

        * config/arm/arm.c (arm_canonicalize_comparison): Add case to
        canonicalize left operand from ZERO_EXTEND to AND.

2011-07-20  Anatoly Sokolov  <aesok@post.ru>

        * target.def (class_max_nregs): New hook.
        * doc/tm.texi.in (TARGET_CLASS_MAX_NREGS): Document.
        * doc/tm.texi: Regenerate.
        * targhooks.c (default_class_max_nregs): New function.
        * targhooks.h (default_class_max_nregs): Declare.
        * ira.h (target_ira): Change type x_ira_reg_class_max_nregs and
        x_ira_reg_class_min_nregs arrays to unsigned char.
        * ira.c (setup_reg_class_nregs): Use TARGET_CLASS_MAX_NREGS target
        hook instead of CLASS_MAX_NREGS macro.
        * reginfo.c (restore_register_info): Ditto.
        * ira-conflicts.c (process_regs_for_copy): Use
        ira_reg_class_max_nregs array instead of CLASS_MAX_NREGS macro.
        Change type rclass and aclass vars to reg_class_t.
        * ira-costs.c (record_reg_classes): Use ira_reg_class_max_nregs
        array instead of CLASS_MAX_NREGS macro. Change type rclass var to
        reg_class_t.
        * reload.c (combine_reloads, find_reloads, find_reloads_address_1):
        Use ira_reg_class_max_nregs array instead of CLASS_MAX_NREGS macro.

        * config/i386/i386.h (CLASS_MAX_NREGS): Remove.
        * config/i386/i386.c (ix86_class_max_nregs): New function.
        (ix86_register_move_cost): Use TARGET_CLASS_MAX_NREGS target hook
        instead of CLASS_MAX_NREGS macro.
        (TARGET_CLASS_MAX_NREGS): Define.
        * config/avr/avr.h (CLASS_MAX_NREGS): Remove.
        * config/avr/avr-protos.h (class_max_nregs): Remove declaration.
        * config/avr/avr.c (class_max_nregs): Remove function.
        * config/alpha/alpha.h (CLASS_MAX_NREGS): Remove.
        * config/spu/spu.h (CLASS_MAX_NREGS): Remove.
        * config/mep/mep.h (CLASS_MAX_NREGS): Remove.
        * config/m32r/m32r.h (CLASS_MAX_NREGS): Remove.
        * config/microblaze/microblaze.h (CLASS_MAX_NREGS): Remove.
        * config/xtensa/xtensa.h (CLASS_MAX_NREGS): Remove.
        * config/stormy16/stormy16.h (CLASS_MAX_NREGS): Remove.
        * config/lm32/lm32.h (CLASS_MAX_NREGS): Remove.
        * config/moxie/moxie.h (CLASS_MAX_NREGS): Remove.
        * config/iq2000/iq2000.h (CLASS_MAX_NREGS): Remove.
        * config/mn10300/mn10300.h (CLASS_MAX_NREGS): Remove.
        * config/score/score.h (CLASS_MAX_NREGS): Remove.
        * config/vax/vax.h (CLASS_MAX_NREGS): Remove.
        * config/h8300/h8300.h (CLASS_MAX_NREGS): Remove.
        * config/v850/v850.h (CLASS_MAX_NREGS): Remove.

2011-07-19  Eric Botcazou  <ebotcazou@adacore.com>

        * cif-code.def (OVERWRITABLE): Fix typo and move around.
        (TARGET_OPTIMIZATION_MISMATCH): Delete.
        (EH_PERSONALITY): Fix typo.
        (NON_CALL_EXCEPTIONS): Fix message.
        (OPTIMIZATION_MISMATCH): Adjust message.
        * ipa-inline.c (can_inline_edge_p): Use CIF_OPTIMIZATION_MISMATCH.

2011-07-19  Ian Lance Taylor  <iant@google.com>

        * doc/install.texi (Configuration): Document
        --enable-build-poststage1-with-cxx.

2011-07-19  Robert Millan  <rmh@gnu.org>

        * config/mips/gnu-user.h: Copy from linux.h.  Update comments.
        (GLIBC_DYNAMIC_LINKER): Remove.

        * config/mips/gnu-user64.h: Copy from linux64.h.  Update comments.
        (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64)
        (GLIBC_DYNAMIC_LINKERN32, UCLIBC_DYNAMIC_LINKERN32)
        (BIONIC_DYNAMIC_LINKERN32, GNU_USER_DYNAMIC_LINKERN32): Remove.
        (LINK_SPEC): Use GNU_USER_DYNAMIC_LINKER32,
        GNU_USER_DYNAMIC_LINKER64 and GNU_USER_LINK_EMULATIONN32.

        * config/mips/linux.h: Remove everything except for ...
        (GLIBC_DYNAMIC_LINKER): ... this macro.

        * config/mips/linux64.h: Remove everything except for ...
        (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64)
        (GLIBC_DYNAMIC_LINKERN32, UCLIBC_DYNAMIC_LINKERN32)
        (BIONIC_DYNAMIC_LINKERN32): ... these macros.
        (GNU_USER_LINK_EMULATION32, GNU_USER_LINK_EMULATION64)
        (GNU_USER_LINK_EMULATIONN32): New macros.

        * config.gcc (mips64*-*-linux* | mipsisa64*-*-linux* | mips-*-linux*):
        Use the new headers.

2011-07-19  Richard Sandiford  <rdsandiford@googlemail.com>

        * rtl.h (mem_attrs): Turn offset and size fields into HOST_WIDE_INTs.
        Add offset_known_p and size_known_p fields.
        (MEM_OFFSET_KNOWN_P): Update accordingly.
        (MEM_OFFSET, MEM_SIZE_KNOWN_P, MEM_SIZE): Likewise.
        * emit-rtl.c (mem_attrs_htab_hash): Update after mem_attrs changes.
        (mem_attrs_eq_p, set_mem_attributes_minus_bitpos, set_mem_offset)
        (clear_mem_offset, set_mem_size, clear_mem_size, change_address)
        (adjust_address_1, widen_memory_access, set_mem_attrs_for_spill)
        (init_emit_regs): Likewise.

2011-07-19  Richard Sandiford  <rdsandiford@googlemail.com>

        * doc/rtl.texi (MEM_OFFSET_KNOWN_P): Document.
        (MEM_OFFSET): Change from returning an rtx to returning a
        HOST_WIDE_INT.
        * rtl.h (MEM_OFFSET_KNOWN_P): New macro.
        (MEM_OFFSET): Return a HOST_WIDE_INT rather than an rtx.
        * emit-rtl.h (set_mem_offset): Take a HOST_WIDE_INT rather than an rtx.
        (clear_mem_offset): Declare.
        * alias.c (ao_ref_from_mem): Adjust uses of MEM_OFFSET, using
        MEM_OFFSET_KNOWN_P to test whether the offset is known, and
        MEM_OFFSET to get a HOST_WIDE_INT offset.
        (nonoverlapping_memrefs_p): Likewise.  Adjust calls to...
        (adjust_offset_for_component_ref): Take a bool "known_p"
        parameter and a HOST_WIDE_INT "offset" parameter.
        * builtins.c (get_memory_rtx): As for ao_ref_from_mem.
        Adjust calls to set_mem_offset, passing a HOST_WIDE_INT rather
        than an rtx.  Use clear_mem_offset to clear the offset.
        * cfgcleanup.c (merge_memattrs): Likewise.
        * dwarf2out.c (tls_mem_loc_descriptor): Likewise.
        * function.c (assign_parm_find_stack_rtl): Likewise.
        (assign_parm_setup_stack): Likewise.
        * print-rtl.c (print_rtx): Likewise.
        * reload.c (find_reloads_subreg_address): Likewise.
        * simplify-rtx.c (delegitimize_mem_from_attrs): Likewise.
        * var-tracking.c (INT_MEM_OFFSET): Likewise.
        * emit-rtl.c (set_reg_attrs_from_value): Likewise.
        (get_mem_align_offset): Likewise.
        (set_mem_offset): Take a HOST_WIDE_INT rather than an rtx.
        (clear_mem_offset): New function.
        * config/mips/mips.c (r10k_safe_mem_expr_p): Take a HOST_WIDE_INT
        offset rather than an rtx.  Assume both the expressio and offset
        are available.
        (r10k_needs_protection_p_1): Update accordingly, checking the
        expression and offset availability here instead.

2011-07-19  Richard Sandiford  <rdsandiford@googlemail.com>

        * doc/rtl.texi (MEM_SIZE_KNOWN_P): Document.
        (MEM_SIZE): Change from returning an rtx to returning a HOST_WIDE_INT.
        * rtl.h (MEM_SIZE_KNOWN_P): New macro.
        (MEM_SIZE): Return a HOST_WIDE_INT rather than an rtx.
        * emit-rtl.h (set_mem_size): Take a HOST_WIDE_INT rather than an rtx.
        (clear_mem_size): Declare.
        * emit-rtl.c (set_mem_size): Take a HOST_WIDE_INT rather than an rtx.
        (clear_mem_size): New function.
        * alias.c (ao_ref_from_mem): Adjust uses of MEM_SIZE, using
        MEM_SIZE_KNOWN_P to test whether the size is known, and MEM_SIZE
        to get a HOST_WIDE_INT size.  Adjust calls to set_mem_size,
        passing a HOST_WIDE_INT rather than an rtx.  Use clear_mem_size
        to clear the size.
        (nonoverlapping_memrefs_p): Likewise.
        * builtins.c (get_memory_rtx, expand_builtin_memcmp): Likewise.
        (expand_builtin_init_trampoline): Likewise.
        * calls.c (compute_argument_addresses): Likewise.
        * cfgcleanup.c (merge_memattrs): Likewise.
        * dce.c (find_call_stack_args): Likewise.
        * dse.c (record_store, scan_insn): Likewise.
        * dwarf2out.c (dw_sra_loc_expr): Likewise.
        * expr.c (emit_block_move_hints): Likewise.
        * function.c (assign_parm_find_stack_rtl): Likewise.
        * print-rtl.c (print_rtx): Likewise.
        * reload.c (find_reloads_subreg_address): Likewise.
        * rtlanal.c (may_trap_p_1): Likewise.
        * var-tracking.c (track_expr_p): Likewise.
        * varasm.c (assemble_trampoline_template): Likewise.
        * config/arm/arm.c (arm_print_operand): Likewise.
        * config/h8300/h8300.c (h8sx_emit_movmd): Likewise.
        * config/i386/i386.c (expand_movmem_via_rep_mov): Likewise.
        (expand_setmem_via_rep_stos, expand_constant_movmem_prologue)
        (expand_constant_setmem_prologue): Likewise.
        * config/mips/mips.c (mips_get_unaligned_mem): Likewise.
        * config/rs6000/rs6000.c (expand_block_move): Likewise.
        (adjacent_mem_locations): Likewise.
        * config/s390/s390.c (s390_expand_setmem): Likewise.
        (s390_expand_insv): Likewise.
        * config/s390/s390.md (*extzv<mode>, *extv<mode>): Likewise.
        (*extendqi<mode>2_short_displ): Likewise.
        * config/sh/sh.c (expand_block_move): Likewise.
        * config/sh/sh.md (extv, extzv): Likewise.

2011-07-19  Richard Sandiford  <rdsandiford@googlemail.com>

        * emit-rtl.c (mem_attrs_eq_p): New function, split out from...
        (mem_attrs_htab_eq): ...here.
        (find_mem_attrs): Replace with...
        (set_mem_attrs): ...this function.  Take a mem_attrs structure
        rather than individual fields.
        (set_mem_attributes_minus_bitpos, set_mem_alias_set)
        (set_mem_addr_space, set_mem_align, set_mem_expr, set_mem_offset)
        (set_mem_size, change_address, adjust_address_1, offset_address)
        (widen_memory_access, get_spill_slot_decl, set_mem_attrs_for_spill):
        Update accordingly.

2011-07-19  Richard Sandiford  <rdsandiford@googlemail.com>

        * rtl.h (MEM_ALIAS_SET, MEM_EXPR, MEM_OFFSET, MEM_ADDR_SPACE)
        (MEM_SIZE, MEM_ALIGN): Redefine in terms of get_mem_attrs.
        Provide a dummy definition of MEM_ADDR_SPACE for generators.
        (target_rtl): Add x_mode_mem_attrs.
        (mode_mem_attrs): New macro.
        (get_mem_attrs): New function.
        * emit-rtl.c (get_mem_attrs): Rename to...
        (find_mem_attrs): ...this.
        (set_mem_attributes_minus_bitpos, set_mem_alias_set)
        (set_mem_addr_space, set_mem_align, set_mem_expr, set_mem_offset)
        (set_mem_size, change_address, adjust_address_1, offset_address)
        (widen_memory_access, get_spill_slot_decl, set_mem_attrs_for_spill):
        Update accordingly.
        (init_emit_regs): Initialize mode_mem_attrs.

2011-07-19  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-forwprop.c (lookup_logical_inverted_value): Remove
        TRUTH_*_EXPR handling.
        * tree-ssa-operands.c (get_expr_operands): Likewise.
        * tree-ssa-pre.c (fully_constant_expression): Likewise.
        * tree-ssa-uninit.c (use_pred_not_overlap_with_undef_path_pre):
        Likewise.
        (is_and_or_or): Likewise.
        (is_norm_cond_subset_of): Likewise.

2011-07-19  Richard Guenther  <rguenther@suse.de>

        * tree.h (fold_build_pointer_plus_loc): New helper function.
        (fold_build_pointer_plus_hwi_loc): Likewise.
        (fold_build_pointer_plus): Define.
        (fold_build_pointer_plus_hwi): Likewise.
        * builtins.c (std_gimplify_va_arg_expr): Use fold_build_pointer_plus.
        (fold_builtin_memory_op): Likewise.
        (fold_builtin_stpcpy): Likewise.
        (fold_builtin_memchr): Likewise.
        (fold_builtin_strstr): Likewise.
        (fold_builtin_strchr): Likewise.
        (fold_builtin_strrchr): Likewise.
        (fold_builtin_strpbrk): Likewise.
        (fold_builtin_strcat): Likewise.
        (expand_builtin_memory_chk): Likewise.
        (fold_builtin_memory_chk): Likewise.
        * c-typeck.c (build_unary_op): Likewise.
        * cgraphunit.c (thunk_adjust): Likewise.
        * fold-const.c (build_range_check): Likewise.
        (fold_binary_loc): Likewise.
        * omp-low.c (extract_omp_for_data): Likewise.
        (expand_omp_for_generic): Likewise.
        (expand_omp_for_static_nochunk): Likewise.
        (expand_omp_for_static_chunk): Likewise.
        * tree-affine.c (add_elt_to_tree): Likewise.
        * tree-data-ref.c (split_constant_offset_1): Likewise.
        * tree-loop-distribution.c (generate_memset_zero): Likewise.
        * tree-mudflap.c (mf_xform_derefs_1): Likewise.
        * tree-predcom.c (ref_at_iteration): Likewise.
        * tree-ssa-address.c (tree_mem_ref_addr): Likewise.
        (add_to_parts): Likewise.
        (create_mem_ref): Likewise.
        * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
        * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Likewise.
        (number_of_iterations_le): Likewise.
        * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Likewise.
        * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
        (vect_create_addr_base_for_vector_ref): Likewise.
        * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Likewise.
        (vect_create_cond_for_alias_checks): Likewise.
        * tree-vrp.c (extract_range_from_assert): Likewise.
        * config/alpha/alpha.c (alpha_va_start): Likewise.
        (alpha_gimplify_va_arg_1): Likewise.
        * config/i386/i386.c (ix86_va_start): Likewise.
        (ix86_gimplify_va_arg): Likewise.
        * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
        * config/mep/mep.c (mep_expand_va_start): Likewise.
        (mep_gimplify_va_arg_expr): Likewise.
        * config/mips/mips.c (mips_va_start): Likewise.
        (mips_gimplify_va_arg_expr): Likewise.
        * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
        * config/rs6000/rs6000.c (rs6000_va_start): Likewise.
        (rs6000_gimplify_va_arg): Likewise.
        * config/s390/s390.c (s390_va_start): Likewise.
        (s390_gimplify_va_arg): Likewise.
        * config/sh/sh.c (sh_va_start): Likewise.
        (sh_gimplify_va_arg_expr): Likewise.
        * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
        * config/spu/spu.c (spu_va_start): Likewise.
        (spu_gimplify_va_arg_expr): Likewise.
        * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
        Likewise.
        (xstormy16_gimplify_va_arg_expr): Likewise.
        * config/xtensa/xtensa.c (xtensa_va_start): Likewise.
        (xtensa_gimplify_va_arg_expr): Likewise.

2011-07-19  Richard Guenther  <rguenther@suse.de>

        * expr.c (expand_expr_real_2): Remove TRUTH_*_EXPR handling.
        (expand_expr_real_1): Remove TRUTH_*IF_EXPR and STATEMENT_LIST
        handling.

        PR middle-end/18908
        * expr.c (expand_expr_real_2): Do not unnecessarily truncate the
        result of BIT_*_EXPR to bitfield precision.

2011-07-19  Richard Sandiford  <richard.sandiford@linaro.org>

        PR tree-optimization/49742
        * tree-data-ref.c (get_references_in_stmt): Treat the lhs of a call
        as a potential write.

2011-07-19  Richard Guenther  <rguenther@suse.de>

        * Makefile.in (tree-ssa-forwprop.o): Depend on gimple-pretty-print.h.
        * tree-ssa-forwprop.c: Include gimple-pretty-print.h.
        (forward_propagate_comparison): Simplify, remove obsolete code.

2011-07-19  Richard Guenther  <rguenther@suse.de>

        * gimplify.c (gimplify_expr): Gimplify TRUTH_NOT_EXPR as
        BIT_XOR_EXPR, same as the RTL expander does.
        * tree-cfg.c (verify_expr): Disallow TRUTH_NOT_EXPR in the gimple IL.
        (verify_gimple_assign_unary): Likewise.
        * tree-ssa-propagate.c (valid_gimple_rhs_p): Disallow TRUTH_*_EXPR.
        * tree-ssa-forwprop.c (forward_propagate_comparison): Handle
        BIT_NOT_EXPR and BIT_XOR_EXPR instead of TRUTH_NOT_EXPR.

2011-07-19  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/49768
        * gimple-fold.c (fold_nonarray_ctor_reference): Return NULL
        if offset is smaller than bitoffset, but offset+size is bigger
        than bitoffset.

2011-07-19  Ira Rosen  <ira.rosen@linaro.org>

        PR tree-optimization/49771
        * tree-vect-loop-manip.c (vect_vfa_segment_size): In case of
        zero step, set segment length to the size of the data-ref's type.

2011-07-18  Martin Jambor  <mjambor@suse.cz>

        * ipa-prop.h: Include alloc-pool.h, all sorts of updates to general
        comments.
        (ipcp_values_pool): Declare.
        (ipcp_sources_pool): Likewise.
        (ipcp_lattice): Changed to forward declaration.
        (ipa_param_descriptor): Removed fields ipcp_lattice, types and
        cannot_devirtualize.
        (ipa_node_params): New fields descriptors, lattices, known_vals,
        clone_for_all_contexts and node dead, removed fields params and
        count_scale.
        (ipa_set_param_count): Removed.
        (ipa_get_param_count): Made to work with descriptors vector.
        (ipa_get_param): Updated.
        (ipa_param_cannot_devirtualize_p): Removed.
        (ipa_param_types_vec_empty): Likewise.
        (ipa_set_param_used): New function.
        (ipa_get_param_used): Updated to use descriptors vector.
        (ipa_func_list): Removed.
        (ipa_init_func_list): Removed declaration.
        (ipa_push_func_to_list_1): Likewise.
        (ipa_pop_func_from_list): Likewise.
        (ipa_push_func_to_list): Removed.
        (ipa_lattice_from_jfunc): Remove declaration.
        (ipa_get_jf_pass_through_result): Declare.
        (ipa_get_jf_ancestor_result): Likewise.
        (ipa_value_from_jfunc): Likewise.
        (ipa_get_lattice): Update.
        (ipa_lat_is_single_const): New function.
        * ipa-prop.c (ipa_push_func_to_list_1): Removed.
        (ipa_init_func_list): Likewise.
        (ipa_pop_func_from_list): Likewise.
        (ipa_get_param_decl_index): Fix coding style.
        (count_formal_params): Removed.
        (count_formal_params_1): Renamed to count_formal_params.
        (ipa_populate_param_decls): Update to use descriptors vector.
        (ipa_initialize_node_params): Likewise.
        (visit_ref_for_mod_analysis): Use ipa_set_param_used.
        (ipa_analyze_params_uses): Likewise.
        (ipa_free_node_params_substructures): Likewise and free also lattices
        and known values.
        (duplicate_array): Removed.
        (ipa_edge_duplication_hook): Add the new edge to the list of edge
        clones.
        (ipa_node_duplication_hook): Update to use new lattices.
        (ipa_free_all_structures_after_ipa_cp): Free alloc pools.
        (ipa_free_all_structures_after_iinln): Likewise.
        (ipa_write_node_info): Update to use new lattices.
        (ipa_read_node_info): Likewise.
        (ipa_get_jf_pass_through_result): New function.
        (ipa_get_jf_ancestor_result): Likewise.
        (ipa_value_from_jfunc): Likewise.
        (ipa_cst_from_jfunc): Reimplemented using ipa_value_from_jfunc.
        * ipa-cp.c: Reimplemented.
        * params.def (PARAM_DEVIRT_TYPE_LIST_SIZE): Removed.
        (PARAM_IPA_CP_VALUE_LIST_SIZE): New parameter.
        (PARAM_IPA_CP_EVAL_THRESHOLD): Likewise.
        * Makefile.in (IPA_PROP_H): Added alloc-pool.h to dependencies.
        * doc/invoke.texi (devirt-type-list-size): Removed description.
        (ipa-cp-value-list-size): Added description.

2011-07-18  Richard Henderson  <rth@redhat.com>

        * bb-reorder.c (fix_crossing_conditional_branches): Emit all insns
        before calling create_basic_block.

2011-07-18  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/49675
        * tree.c (build_common_builtin_nodes): Register
        __builtin_return_address, __cyg_profile_func_enter
        and __cyg_profile_func_exit.

2011-07-18  Richard Henderson  <rth@redhat.com>

        * bb-reorder.c (emit_barrier_after_bb): Split out of ...
        (add_labels_and_missing_jumps): ... here.
        (fix_up_fall_thru_edges, fix_crossing_conditional_branches): Use it.

2011-07-18  Uros Bizjak  <ubizjak@gmail.com>

        PR target/47744
        * config/i386/i386.c (ix86_decompose_address): Allow only subregs
        of DImode hard registers in PLUS address chains.

2011-07-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR bootstrap/49769
        * config.gcc (alpha*-*-linux*): Add crtfastmath.o to extra_parts.
        (alpha*-*-freebsd*): Likewise.
        (i[34567]86-*-linux*, i[34567]86-*-kfreebsd*-gnu,
        i[34567]86-*-knetbsd*-gnu, i[34567]86-*-gnu*,
        i[34567]86-*-kopensolaris*-gnu): Add crtprec32.o, crtprec64.o,
        crtprec80.o, crtfastmath.o to extra_parts for all targets.
        (ia64*-*-elf*): Remove extra_parts.
        (sparc-*-linux*): Add crtfastmath.o to extra_parts.
        (sparc64-*-linux*): Likewise.
        (sparc64-*-freebsd*): Likewise.

        Revert:
        * config.gcc (ia64*-*-freebsd*): Remove crtfastmath.o from extra_parts.
        (ia64*-*-linux*): Likewise.
        (mips64*-*-linux*): Likewise.
        (mips*-*-linux*): Likewise.

2011-07-18  David Edelsohn  <dje.gcc@gmail.com>

        * doc/install.texi (Specific, *-ibm-aix*): AIX assembler bug.

2011-07-18  Richard Guenther  <rguenther@suse.de>

        * gimplify.c (gimplify_expr): Use input_location, not saved_location
        when building new trees.

2011-07-18  Richard Guenther  <rguenther@suse.de>

        * expr.c (expand_expr_real_2): Properly truncate the BIT_NOT_EXPR
        expansion result to bitfield precision if required.

2011-07-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config.gcc (i[3456x]86-*-netware*): Remove.

        * gthr-nks.h: Remove.
        * configure.ac (enable_threads): Remove nks.
        * configure: Regenerate.

        * config/i386/i386.c (ix86_encode_section_info): Remove netware
        reference.
        * config/i386/i386.h (KEEP_AGGREGATE_RETURN_POINTER): Remove
        <netware.h> reference.

        * config/i386/netware-libgcc.c,
        gcc/config/i386/netware-libgcc.def,
        gcc/config/i386/netware-libgcc.exp, gcc/config/i386/netware.c,
        gcc/config/i386/netware.h, gcc/config/i386/netware.opt,
        gcc/config/i386/nwld.c, gcc/config/i386/nwld.h,
        gcc/config/i386/t-netware, gcc/config/i386/t-nwld: Remove

        * doc/extend.texi (Function Attributes,
        callee_pop_aggregate_return): Remove i?86-netware reference.
        * doc/install.texi (Configuration, --enable-threads): Remove nks.

2011-07-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/49746
        Revert:
        2010-12-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * config/pa/pa.md: Add ",*" condition to 64-bit add/subtract boolean
        patterns.

2011-07-17  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/49732
        * tree.c (walk_tree_1) <DECL_EXPR>: Do not walk a pointed-to type.

2011-07-16  Matthias Klose  <doko@ubuntu.com>

        * doc/install.texi: Document --enable-static-libjava.

2011-07-15  Richard Henderson  <rth@redhat.com>

        * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
        Replace all three arguments by returning a VEC of edges.
        (add_labels_and_missing_jumps): Accept a VEC of edges, not bare
        pointers and counts.
        (fix_edges_for_rarely_executed_code): Merge ...
        (rest_of_handle_partition_blocks): ... into...
        (partition_hot_cold_basic_blocks): ... here.  Return todo items if
        any work was performed.
        (pass_partition_blocks): Clear todo_flags_finish.

2011-07-15  Paolo Carlini  <paolo.carlini@oracle.com>
            Jakub Jelinek  <jakub@redhat.com>
            Jonathan Wakely  <jwakely.gcc@gmail.com>

        PR libstdc++/49745
        * gthr-posix.h: Do not include <unistd.h> unconditionally; use
        _GTHREADS_USE_MUTEX_TIMEDLOCK instead of _POSIX_TIMEOUTS.

2011-07-15  Jason Merrill  <jason@redhat.com>

        PR testsuite/49741
        * Makefile.in ($(lang_checks_parallelized)): Allow --extra_opts
        rather than --tool_opts.

2011-07-15  Basile Starynkevitch  <basile@starynkevitch.net>

        * doc/plugins.texi (Building GCC plugins): gengtype needs its
        corresponding gtype.state.

2011-07-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/49723
        * config/pa/pa.md (casesi): Use gen_int_mode instead of GEN_INT.

2011-07-15  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/48220
        * doc/md.texi (Standard Names): Document window_save.
        * cfgexpand.c (expand_debug_parm_decl): New function extracted from
        expand_debug_expr and expand_debug_source_expr.  If the target has
        a window_save instruction, adjust the ENTRY_VALUE_EXP.
        (expand_debug_expr) <SSA_NAME>: Call expand_debug_parm_decl if the
        SSA_NAME_VAR is a parameter.
        (expand_debug_source_expr) <PARM_DECL>: Call expand_debug_parm_decl.
        * var-tracking.c (parm_reg_t): New type and associated vector type.
        (windowed_parm_regs): New variable.
        (adjust_insn): If the target has a window_save instruction and this
        is the instruction, make its effect on parameter registers explicit.
        (next_non_note_insn_var_location): New function.
        (emit_notes_in_bb): Use it instead of NEXT_INSN throughout.
        (vt_add_function_parameter): If the target has a window_save insn,
        adjust the incoming RTL and record that in windowed_parm_regs.
        (vt_finalize): Free windowed_parm_regs.

2011-07-15  Bernd Schmidt  <bernds@codesourcery.com>

        * doc/invoke.texi (C6X Options): New section.
        * doc/md.texi (TI C6X family): New section.
        * config.gcc: Handle tic6x, in particular tic6x-*-elf and
        tic6x-*-uclinux.
        * longlong.h (add_ssaaaa, __umulsidi3, umul_ppmm,
        count_leading_zeros, count_trailing_zeros, UMUL_TIME, UDIV_TIME):
        Provide C6X definitions.
        * config/c6x/c6x.md: New file.
        * config/c6x/constraints.md: New file.
        * config/c6x/predicates.md: New file.
        * config/c6x/c6x-sched.md.in: New file.
        * config/c6x/c6x-sched.md: New file.
        * config/c6x/gensched.sh: New file.
        * config/c6x/c6x-mult.md.in: New file.
        * config/c6x/genmult.sh: New file.
        * config/c6x/c6x-mult.md: New file.
        * config/c6x/sync.md: New file.
        * config/c6x/c6x-protos.h: New file.
        * config/c6x/sfp-machine.h: New file.
        * config/c6x/c6x.c: New file.
        * config/c6x/c6x.h: New file.
        * config/c6x/crti.s: New file.
        * config/c6x/crtn.s: New file.
        * config/c6x/lib1funcs.asm: New file.
        * config/c6x/c6x-modes.def: New file.
        * config/c6x/genopt.sh: New file.
        * config/c6x/c6x.opt: New file.
        * config/c6x/c6x-tables.opt: New file.
        * config/c6x/c6x-opts.h: New file.
        * config/c6x/c6x-isas.def: New file.
        * config/c6x/elf.h: New file.
        * config/c6x/elf-common.h: New file.
        * config/c6x/uclinux-elf.h: New file.
        * config/c6x/t-c6x: New file.
        * config/c6x/t-c6x-elf: New file.
        * config/c6x/t-c6x-uclinux: New file.
        * config/c6x/t-c6x-softfp: New file.
        * config/c6x/gtd.c: New file.
        * config/c6x/gtf.c: New file.
        * config/c6x/ltd.c: New file.
        * config/c6x/ltf.c: New file.
        * config/c6x/ged.c: New file.
        * config/c6x/gef.c: New file.
        * config/c6x/led.c: New file.
        * config/c6x/lef.c: New file.
        * config/c6x/eqd.c: New file.
        * config/c6x/eqf.c: New file.
        * config/c6x/libgcc-c6xeabi.ver: New file.

        Revert
        2003-07-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
        PR rtl-optimization/11320
        * sched-int.h (struct deps) [reg_conditional_sets]: New field.
        (struct sched_info) [compute_jump_reg_dependencies]: New prototype.
        * sched-deps.c (sched_analyze_insn) [JUMP_INSN]: Update call to
        current_sched_info->compute_jump_reg_dependencies. Record which
        registers are used and which registers are set by the jump.
        Clear deps->reg_conditional_sets after a barrier.
        Set deps->reg_conditional_sets if the insn is a COND_EXEC.
        Clear deps->reg_conditional_sets if the insn is not a COND_EXEC.
        (init_deps): Initialize reg_conditional_sets.
        (free_deps): Clear reg_conditional_sets.
        * sched-ebb.c (compute_jump_reg_dependencies): New prototype.
        Mark registers live on entry of the fallthrough block and conditionally
        set as set by the jump. Mark registers live on entry of non-fallthrough
        blocks as used by the jump.
        * sched-rgn.c (compute_jump_reg_dependencies): New prototype.
        Mark new parameters as unused.

2011-07-14  Andrew Pinski  <pinskia@gmail.com>

        PR tree-opt/49309
        * tree-mudflap.c (mf_xform_derefs_1 <case MEM_REF>):
        Use fold_build2_loc instead of build2.
        Use the correct type for the new tree.

2011-07-14  Bernd Schmidt  <bernds@codesourcery.com>

        PR rtl-optimization/11320
        * config/ia64/ia64.md (load_symptr_low): Show a MEM.
        * config/ia64/ia64.c (ia64_expand_load_address): Generate it.

2011-07-14  Georg-Johann Lay  <avr@gjlay.de>

        PR target/49487
        * config/avr/avr.md (rotl<mode>3): Generate SCRATCH instead
        of REG.
        (*rotw<mode>): Use const_int_operand for operand2.
        Use match_scatch for operand3.
        (*rotb<mode>): Ditto
        * config/avr/avr.c (avr_rotate_bytes): Treat SCRATCH.

2011-07-14  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/49651
        * tree-ssa-structalias.c (get_constraint_for_1): Properly
        handle dereferences with subvariables.

2011-07-14  Richard Guenther  <rguenther@suse.de>

        * gimple-fold.c (fold_gimple_assign): Remove operand swapping.
        (fold_stmt_1): Do it here directly on gimple and as a first thing.

2011-07-14  Richard Guenther  <rguenther@suse.de>

        * fold-const.c (fold_binary_loc): Convert the !bool_var result,
        not bool_var when folding bool_var != 1 or bool_var == 0.

2011-07-14  Bernd Schmidt  <bernds@codesourcery.com>

        * haifa-sched.c (schedule_insns): Remove outdated comment.
        (schedule_block): When computing a known value for TODO_SPEC,
        just set it rather than using logical operations.
        (try_ready): Likewise.  Use a local variable rather than a
        pointer to TODO_SPEC.  Reorder an if statement to move the
        easy case to the then block.
        * sched-deps.c (dep_spec_p): New static function.
        (update_dep): Use it to decide whether to call
        change_spec_dep_to_hard.
        (get_back_and_forw_lists): Use it.
        (sd_resolve_dep): Likewise.
        (init_dep): If !USE_DEPS_LIST, use zero to initialize status.
        (haifa_note_mem_dep): Likewise.
        (check_dep): Likewise.
        (sd_add_dep): Also clear SPECULATIVE bits if not DO_SPECULATION.
        (sched_free_deps): Free in two passes.

2011-07-14  Richard Sandiford  <richard.sandiford@linaro.org>

        PR middle-end/49736
        * expr.c (all_zeros_p): Undo bogus part of last change.

2011-07-14  Matthias Klose <doko@ubuntu.com>

        * doc/extend.texi (optimize attribute): Fix typo.

2011-07-14  Richard Guenther  <rguenther@suse.de>

        * gimplify.c (gimplify_expr): Only do required conversions.

2011-07-14  Georg-Johann Lay  <avr@gjlay.de>

        PR target/43746
        * config/avr/elf.h (TARGET_ASM_SELECT_SECTION): Remove,
        i.e. use default_elf_select_section.
        (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Remove.
        (READONLY_DATA_SECTION_ASM_OP): Remove.
        (TARGET_ASM_NAMED_SECTION): Move from here...
        * config/avr/avr.c: ...to here.
        (avr_asm_init_sections): Set unnamed callback of readonly_data_section.
        (avr_asm_named_section): Make static.

2011-07-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR bootstrap/49739
        * config.gcc (extra_parts): Add crtprec32.o crtprec64.o crtprec80.o
        and crtfastmath.o for Linux/x86.

2011-07-14  Bernd Schmidt  <bernds@codesourcery.com>

        * haifa-sched.c: Include "hashtab.h"
        (sched_no_dce): New global variable.
        (INSN_EXACT_TICK, INSN_TICK_ESTIMATE, FEEDS_BACKTRACK_INSN,
        SHADOW_P): New macros.
        (last_clock_var, cycle_issued_insns): Move declarations.
        (must_backtrack): New static variable.
        (struct delay_pair): New structure.
        (delay_htab, delay_htab_i2): New static variables.
        (delay_hash_i1, delay_hash_i2, delay_i1_eq, delay_i2_eq,
        record_delay_slot_pair, pair_delay, add_delay_dependencies): New
        functions.
        (dep_cost_1): If delay pairs exist, try to look up the insns and
        use the correct pair delay if we find them.
        (rank-for_schedule): Tweak priority for insns that must be scheduled
        soon to avoid backtracking.
        (queue_insn): Detect conditions which force backtracking.
        (ready_add): Likewise.
        (struct sched_block_state): Add member shadows_only_p.
        (struct haifa_save_data): New structure.
        (backtrack_queue): New static variable.
        (mark_backtrack_feeds, copy_insn_list, save_backtrack_point,
        unschedule_insns_until, restore_last_backtrack_point,
        free_topmost_backtrack_point, free_backtrack_queue,
        estimate_insn_tick, estimate_shadow_tick): New functions.
        (prune_ready_list): New arg shadows_only_p.  All callers changed.
        If true, remove everything that isn't SHADOW_P.  Look up delay
        pairs and estimate ticks to avoid scheduling the first insn too early.
        (verify_shadows): New function.
        (schedule_block): Add machinery to enable backtracking.
        (sched_init): Take sched_no_dce into account when setting
        DF_LR_RUN_DCE.
        (free_delay_pairs): New function.
        (init_h_i_d): Initialize INSN_EXACT_TICK.
        * Makefile.in (haifa-sched.o): Add $(HASHTAB_H).
        * sched-deps.c (sd_unresolve_dep): New function.
        * sched-int. (struct haifa_sched_info): New fields save_state
        and restore_state.
        (struct _haifa_insn_data): New fields exact_tick, tick_estimate,
        feeds_backtrack_insn and shadow_p.
        (DO_BACKTRACKING): New value in enum SCHED_FLAGS.
        (sched_no_dce): Declare variable.
        (record_delay_slot_pair, free_delay_pairs, add_delay_dependencies,
        sd_unresolve_dep): Declare functions.
        * modulo-sched.c (sms_sched_info): Clear the two new fields.
        * sched-rgn.c (rgn_const_sched_info): Likewise.
        * sel-sched-ir.c (sched_sel_haifa_sched_info): Likewise.
        * sched-ebb.c (save_ebb_state, restore_ebb_state): New functions.
        (ebb_sched_info): Add them for the two new fields.
        (add_deps_for_risky_insns): Call add_delay_dependencies.

2011-07-13  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/rs6000.opt (-mpointers-to-nested-functions):
        Rename -mr11.
        * config/rs6000/rs6000.c (rs6000_trampoline_init): Ditto.
        (rs6000_call_indirect_aix): Ditto.
        * config/rs6000/rs6000.md (call_indirect_aix<ptrsize>): Ditto.
        (call_indirect_aix<ptrsize>_internal): Ditto.
        (call_indirect_aix<ptrsize>_nor11): Ditto.
        (call_indirect_aix<ptrsize>_internal2): Ditto.
        (call_value_indirect_aix<ptrsize>): Ditto.
        (call_value_indirect_aix<ptrsize>_internal): Ditto.
        (call_value_indirect_aix<ptrsize>_nor11): Ditto.
        (call_value_indirect_aix<ptrsize>_internal2): Ditto.
        * doc/invoke.texi (RS/6000 and PowerPC Options): Ditto.

2011-07-13  Jason Merrill  <jason@redhat.com>

        * Makefile.in ($(lang_checks_parallelized)): Allow --tool_opts.

2011-07-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.c (spu_init_libfuncs): Install __clrsbdi2.
        * config/spu/spu.md ("clrsb<mode>2"): New expander.

2011-07-13  Thomas Schwinge  <thomas@schwinge.name>

        * acinclude.m4 (gcc_GAS_CHECK_FEATURE): Use AS_ECHO instead of echo.
        * configure: Regenerate.

2011-07-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.c (TARGET_ASM_FILE_START): Do not define.
        (asm_file_start): Remove.
        (spu_machine_dependent_reorg): Call compute_bb_for_insn and
        free_bb_for_insn around code that modifies insns before
        restarting df analysis.

2011-07-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR target/49541
        * config/sol2.h (LIB_SPEC): Simplify.  Move LIB_THREAD_LDFLAGS_SPEC ...
        (LINK_SPEC): ... here.

2011-07-13  Bernd Schmidt  <bernds@codesourcery.com>

        * haifa-sched.c (struct sched_block_state): New.
        (schedule_block): Move some local variables into such a structure.

2011-07-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/i386/crtprec.c: Move to ../libgcc/config/i386.
        * config/i386/t-crtpc: Remove.
        * config/t-darwin (EXTRA_MULTILIB_PARTS): Remove.
        * config.gcc (i[34567]86-*-darwin*): Remove i386/t-crtpc from
        tmake_file.
        (x86_64-*-darwin*): Likewise.
        (i[34567]86-*-linux*): Likewise.
        (x86_64-*-linux*): Likewise.

        * config/i386/sol2.h (ENDFILE_SPEC): Redefine.
        Handle -mpc32, -mpc64, -mpc80.

2011-07-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/alpha/crtfastmath.c: Move to ../libgcc/config/alpha.
        * config/alpha/t-crtfm: Remove.
        * config/i386/crtfastmath.c: Move to ../libgcc/config/i386.
        * config/i386/t-crtfm: Remove.
        * config/ia64/crtfastmath.c: Move to ../libgcc/config/ia64.
        * config/mips/crtfastmath.c: Move to ../libgcc/config/mips.
        * config/sparc/crtfastmath.c: Move to ../libgcc/config/sparc.
        * config/sparc/t-crtfm: Remove.

        * config.gcc (alpha*-*-linux*): Remove alpha/t-crtfm from tmake_file.
        (alpha*-*-freebsd*): Likewise.
        (i[34567]86-*-darwin*): Remove i386/t-crtfm from tmake_file.
        (x86_64-*-darwin*): Likewise.
        (i[34567]86-*-linux*): Likewise.
        (x86_64-*-linux*): Likewise.
        (x86_64-*-mingw*): Likewise.
        (ia64*-*-elf*): Remove crtfastmath.o from extra_parts.
        (ia64*-*-freebsd*): Likewise.
        (ia64*-*-linux*): Likewise.
        (mips64*-*-linux*): Likewise.
        (mips*-*-linux*): Likewise.
        (sparc-*-linux*): Remove sparc/t-crtfm from tmake_file.
        (sparc64-*-linux*): Likewise.
        (sparc64-*-freebsd*): Likewise.

2011-07-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/darwin-crt2.c: Move to ../libgcc/config/rs6000.
        * config/darwin-crt3.c: Move to ../libgcc/config.
        * config/t-darwin (EXTRA_MULTILIB_PARTS): Remove.
        ($(T)crt3$(objext)): Remove.
        * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): Remove.
        ($(T)crt2$(objext)): Remove.
        * config.gcc (powerpc-*-darwin*): Remove extra_parts.
        (powerpc64-*-darwin*): Likewise.

2011-07-13  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (x86_output_mi_thunk): Support ptr_mode != Pmode.

        * config/i386/i386.md (*addsi_1_zext): Renamed to ...
        (addsi_1_zext): This.

2011-07-13  Bernd Schmidt  <bernds@codesourcery.com>

        * doc/tm.texi.in (TARGET_ASM_MERGEABLE_RODATA_PREFIX): Add hook.
        * doc/tm.texi: Regenerate.
        * target.def (mergeable_rodata_prefix): New defhookpod.
        * varasm.c (mergeable_string_section, mergeable_constant_section):
        Use it. Allocate name with alloca.

2011-07-13  H.J. Lu  <hongjiu.lu@intel.com>

        * doc/invoke.texi (x86): Remove -mfused-madd and add -mfma.

2011-07-13  Richard Sandiford  <richard.sandiford@linaro.org>

        * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks): Tighten
        overlap check.

2011-07-13  Richard Sandiford  <richard.sandiford@linaro.org>

        * tree.h (categorize_ctor_elements): Remove comment.  Fix long line.
        (count_type_elements): Delete.
        (complete_ctor_at_level_p): Declare.
        * expr.c (flexible_array_member_p): New function, split out from...
        (count_type_elements): ...here.  Make static.  Replace allow_flexarr
        parameter with for_ctor_p.  When for_ctor_p is true, return the
        number of elements that should appear in the top-level constructor,
        otherwise return an estimate of the number of scalars.
        (categorize_ctor_elements): Replace p_must_clear with p_complete.
        (categorize_ctor_elements_1): Likewise.  Use complete_ctor_at_level_p.
        (complete_ctor_at_level_p): New function, borrowing union logic
        from old categorize_ctor_elements_1.
        (mostly_zeros_p): Return true if the constructor is not complete.
        (all_zeros_p): Update call to categorize_ctor_elements.
        * gimplify.c (gimplify_init_constructor): Update call to
        categorize_ctor_elements.  Don't call count_type_elements.
        Unconditionally prevent clearing for variable-sized types,
        otherwise rely on categorize_ctor_elements to detect
        incomplete initializers.

2011-07-13  Richard Guenther  <rguenther@suse.de>

        * tree-vrp.c (simplify_conversion_using_ranges): Make sure
        the final type is integral.

2011-07-13  Bernd Schmidt  <bernds@codesourcery.com>

        * sched-int.h (struct _dep): Add member cost.
        (DEP_COST, UNKNOWN_DEP_COST): New macros.
        * sched-deps.c (init_dep_1): Initialize DEP_COST.
        * haifa-sched.c (dep_cost_1): Use and set DEP_COST.
        (sched_change_pattern): Reset it for dependent insns.

2011-07-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * Makefile.in (CRT0STUFF_T_CFLAGS): Remove.
        ($(T)crt0.o, $(T)mcrt0.o, s-crt0): Remove.
        * config/i386/netware-crt0.c: Move to ../libgcc/config/i386.
        * config/i386/t-nwld (CRTSTUFF_T_CFLAGS, CRT0STUFF_T_CFLAGS): Remove.
        (CRT0_S, MCRT0_S): Remove.
        ($(T)libgcc.def, $(T)libc.def, $(T)libcpre.def, $(T)posixpre.def):
        Remove.
        (s-crt0): Remove.
        * config.gcc (i[3456x]86-*-netware*): Remove extra_parts.

2011-07-12  Eric Botcazou  <ebotcazou@adacore.com>

        * cse.c (insert_with_costs): Put semi-colon after empty loop body
        on the next line.
        * emit-rtl.c (push_to_sequence): Likewise.
        * haifa-sched.c (max_issue): Likewise.
        * matrix-reorg.c (add_allocation_site): Likewise.
        * postreload-gcse.c (eliminate_partially_redundant_load): Likewise.
        * reload.c (alternative_allows_const_pool_ref): Likewise.
        * sched-rgn.c (rgn_add_block): Likewise.
        (rgn_fix_recovery_cfg): Likewise.
        * tree.c (attribute_list_contained): Likewise.

2011-07-12  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c: Tidy processor feature bitmasks.
        (m_P4_NOCONA): New.

2011-07-12  Andrew Pinski  <pinskia@gmail.com>

        PR rtl-opt/49474
        * cprop.c (find_implicit_sets): Correct the condition.

2011-07-12  Richard Henderson  <rth@redhat.com>

        PR target/49713
        * dwarf2out.h (dwarf_frame_regnum): Remove.
        * dwarf2out.c (based_loc_descr): Revert last change.  Initialize regno
        earlier from DWARF_FRAME_REGNUM.  Never use dbx_reg_number.
        * dwarf2cfi.c (dw_stack_pointer_regnum, dw_frame_pointer_regnum): New.
        (execute_dwarf2_frame): Initialize them.
        (DW_STACK_POINTER_REGNUM, DW_FRAME_POINTER_REGNUM): Remove; replace
        users of the macros with the variables.
        (expand_builtin_dwarf_sp_column): Revert last change.
        (expand_builtin_init_dwarf_reg_sizes): Likewise.  Compute the
        result of DWARF_FRAME_REGNUM into a local variable.

2011-07-12  Richard Henderson  <rth@redhat.com>

        PR target/49714
        * config/i386/i386.c (x86_output_mi_thunk): Use
        machopic_indirect_call_target instead of machopic_indirection_name
        directly.

2011-07-12  Laurent GUERBY  <laurent@guerby.net>
            Eric Botcazou  <ebotcazou@adacore.com>

        * prefix.h: Wrap up in extern "C" block.

2011-07-12  Harsha Jagasia  <harsha.jagasia@amd.com>

        AMD bdver2 Enablement
        * config.gcc (i[34567]86-*-linux* | ...): Add bdver2.
        (case ${target}): Add bdver2.
        * config/i386/driver-i386.c (host_detect_local_cpu): Let
        -march=native recognize bdver2 processors.
        * config/i386/i386-c.c (ix86_target_macros_internal): Add
        bdver2 def_and_undef
        * config/i386/i386.c (struct processor_costs bdver2_cost): New
        bdver2 cost table.
        (m_BDVER2): New definition.
        (m_AMD_MULTIPLE): Includes m_BDVER2.
        (initial_ix86_tune_features): Add bdver2 tuning.
        (processor_target_table): Add bdver2 entry.
        (static const char *const cpu_names): Add bdver2 entry.
        (ix86_option_override_internal): Add bdver2 instruction sets.
        (ix86_issue_rate): Add bdver2.
        (ix86_adjust_cost): Add bdver2.
        (has_dispatch): Add bdver2.
        * config/i386/i386.h (TARGET_BDVER2): New definition.
        (enum target_cpu_default): Add TARGET_CPU_DEFAULT_bdver2.
        (enum processor_type): Add PROCESSOR_BDVER2.
        * config/i386/i386.md (define_attr "cpu"): Add bdver2.
        * config/i386/i386.opt ( mdispatch-scheduler): Add bdver2 to
        description.

2011-07-12  Richard Henderson  <rth@redhat.com>

        PR target/49714
        * config/i386/i386.c (x86_output_mi_thunk): Fix mode for
        destination address in memory on some paths.

2011-07-12  Bernd Schmidt  <bernds@codesourcery.com>

        * doc/tm.texi.in (FUNCTION_ARG_PADDING): Mention
        TARGET_FUNCTION_ARG_ROUND_BOUNDARY.
        (TARGET_FUNCTION_ARG_ROUND_BOUNDARY): Add hook.
        * function.c (locate_and_pad_parm): Take it into account.
        * target.def (function_arg_round_boundary): New hook.
        * targhooks.c (default_function_arg_round_boundary): New function.
        * targhooks.h (default_function_arg_round_boundary): Declare.
        * doc/tm.texi: Regenerate.

2011-07-12  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-copyrename.c (rename_ssa_copies): Zero statistics.
        Do not perform no-op changes.

2011-07-12  Richard Sandiford  <richard.sandiford@linaro.org>

        * config/arm/predicates.md (neon_struct_operand): Make a normal
        predicate.
        (neon_struct_or_register_operand): New predicate.
        * config/arm/neon.md (movmisalign<mode>): Replace predicates
        with neon_struct_or_register_operand.
        (*movmisalign<mode>_neon_store, *movmisalign<mode>_neon_load): Use
        neon_struct_operand instead of memory_operand.

2011-07-12  Martin Jambor  <mjambor@suse.cz>

        * cgraph.h (cgraph_get_node_or_alias): Removed declaration.
        * cgraph.c (cgraph_get_node_or_alias): Removed.
        (change_decl_assembler_name): Changed all calls to
        cgraph_get_node_or_alias to a call to cgraph_get_node.
        (cgraph_make_decl_local): Likewise.
        * lto-symtab.c (lto_symtab_resolve_symbols): Likewise.
        * varasm.c (default_binds_local_p_1): Likewise.
        (decl_binds_to_current_def_p): Likewise.

2011-07-12  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/49712
        * tree-ssa-loop-im.c (gen_lsm_tmp_name): Handle TARGET_MEM_REF.

2011-07-11  Bernd Schmidt  <bernds@codesourcery.com>

        * genautomata.c (add_arc): Return void.  All callers changed.
        (make_automaton): Remove dead code.

2011-07-11  Richard Henderson  <rth@redhat.com>

        * dwarf2cfi.c (DW_STACK_POINTER_REGNUM): New.
        (DW_FRAME_POINTER_REGNUM): New.
        (expand_builtin_init_dwarf_reg_sizes): Use unsigned for rnum.
        (def_cfa_1): Do not convert reg to DWARF_FRAME_REGNUM here.
        (dwf_regno): New.
        (dwarf2out_flush_queued_reg_saves, dwarf2out_frame_debug_def_cfa,
        dwarf2out_frame_debug_adjust_cfa, dwarf2out_frame_debug_cfa_register,
        dwarf2out_frame_debug_cfa_expression, dwarf2out_frame_debug_expr):
        Use it.
        * dwarf2out.c (based_loc_descr): Use dwarf_frame_regnum.
        * dwarf2out.h (dwarf_frame_regnum): New.
        (struct cfa_loc): Document the domain of the reg member.

2011-07-11  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_trampoline_init): Switch arms of if expr.
        Use offset everywhere.  Always assert that offset <= TRAMPOLINE_SIZE.

2011-07-11  Jakub Jelinek  <jakub@redhat.com>

        PR debug/49676
        * dwarf2out.c (int_shift_loc_descriptor): New function.
        (int_loc_descriptor): If shorter, emit i as
        (i >> shift), shift, DW_OP_shl for suitable shift value.
        Similarly, try to optimize large negative values using
        DW_OP_neg of a positive value if shorter.
        (size_of_int_shift_loc_descriptor): New function.
        (size_of_int_loc_descriptor): Adjust to match int_loc_descriptor
        changes.
        (mem_loc_descriptor) <case CONST_INT>: Emit zero-extended constants
        that fit into DWARF2_ADDR_SIZE bytes as int_loc_descriptor +
        DW_OP_GNU_convert instead of DW_OP_GNU_const_type if the former
        is shorter.
        (resolve_addr_in_expr): Optimize DW_OP_plus_uconst with a large
        addend as added DW_OP_plus if it is shorter.

2011-07-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/i386/sol2.h [!USE_GLD] (CTORS_SECTION_ASM_OP): Define.
        (DTORS_SECTION_ASM_OP): Define.

2011-07-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/dfp-bit.c, config/dfp-bit.h: Move to ../libgcc.
        * config/t-dfprules: Move to ../libgcc/config.
        * 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): Remove t-dfprules from tmake_file.
        (x86_64-*-linux*, x86_64-*-kfreebsd*-gnu, x86_64-*-knetbsd*-gnu):
        Likewise.
        (i[34567]86-*-cygwin*): Likewise.
        (i[34567]86-*-mingw*,  x86_64-*-mingw*): Likewise.
        (powerpc-*-linux*, powerpc64-*-linux*): Likewise.
        * Makefile.in (D32PBIT_FUNCS, D64PBIT_FUNCS, D128PBIT_FUNCS): Remove.
        (libgcc.mvars): Remove DFP_ENABLE, DFP_CFLAGS, D32PBIT_FUNCS,
        D64PBIT_FUNCS, D128PBIT_FUNCS.

2011-07-11  Richard Guenther  <rguenther@suse.de>

        * tree-vrp.c (simplify_conversion_using_ranges): Manually
        translate the source value-range through the conversion chain.

2011-07-11  Richard Sandiford  <richard.sandiford@linaro.org>

        * expr.c (expand_expr_real_1): Use expand_insn for movmisalign.

2011-07-11  Arthur Loiret  <aloiret@debian.org>

        * config.gcc (s390-*-linux*): If 'enabled_targets' is 'all', build
        a bi-arch compiler defaulting to 31-bit. In this case:
        (tmake_file): Add s390/t-linux64.
        * doc/install.texi: Add s390-linux to the list of targets supporting
        --enable-targets=all.

2011-07-11  Arthur Loiret  <aloiret@debian.org>
            Matthias Klose <doko@debian.org>

        * config.gcc (mips*-*-linux*): If 'enabled_targets' is 'all', build
        a tri-arch compiler defaulting to 32-bit (ABI o32). In this case:
        (tm_file): Add mips/linux64.h.
        (tmake_file): Add mips/t-linux64.
        (tm_defines): Add MIPS_ABI_DEFAULT=ABI_32.
        * config/mips/linux64.h (DRIVER_SELF_SPECS): Use MULTILIB_ABI_DEFAULT
        instead of hardcoded mabi=n32.
        * config/mips/t-linux64 (MULTILIB_DIRNAMES): Set to 'n32 . 64' if
        tm_defines contains MIPS_ABI_DEFAULT ABI_32, to follow the glibc
        convention.

2011-07-11  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * passes.c (init_optimization_passes): Add invariant motion pass
        after induction variable optimization.

2011-07-11  Georg-Johann Lay  <avr@gjlay.de>

        PR target/39633
        * config/avr/avr.c (notice_update_cc): For ashiftrt:QI, only
        offsets 1..5 set cc0 in a usable way.

2011-07-11  Romain Geissler  <romain.geissler@gmail.com>

        * tree.h (call_expr_arg): Remove.
        (call_expr_argp): Likewise.

2011-07-11  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sparc/sparc.md (save_register_window_1): Rename to...
        (window_save): ...this.
        * config/sparc/sparc.c (emit_save_register_window): Rename to...
        (emit_window_save): ...this.
        (sparc_expand_prologue): Adjust to above renaming.

2011-07-10  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_trampoline_init): Use movl instead
        of movabs for x32.

2011-07-10  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (x86_output_mi_thunk): Generate rtl and
        run final, instead of emitting text directly.

2011-07-10  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_option_override_internal): Turn on
        OPTION_MASK_ISA_64BIT for TARGET_X32.  Only allow small and
        small PIC models for TARGET_X32.

2011-07-10  Hans-Peter Nilsson  <hp@axis.com>

        PR target/49684
        * config/cris/t-elfmulti (CRTSTUFF_T_CFLAGS): Don't include
        $(LIBGCC2_CFLAGS).

        PR bootstrap/49680
        * config/cris/cris.c (cris_asm_output_case_end): Robustify against
        stray notes and debug insns by using prev_nonnote_nondebug_insn
        instead of PREV_INSN.

2011-07-09  Richard Henderson  <rth@redhat.com>

        * defaults.h (DWARF2_ADDR_SIZE, DWARF_OFFSET_SIZE,
        DWARF_TYPE_SIGNATURE_SIZE): Move from ...
        * dwarf2out.c: ... here.
        (output_all_cfis): Remove.
        (dwarf2out_switch_text_section): Use output_cfis directly.
        (size_of_locs): Export.
        (output_loc_sequence, output_loc_sequence_raw): Export.
        (div_data_align, need_data_align_sf_opcode, dwarf_cfi_name, output_cfi,
        output_cfi_directive, dwarf2out_emit_cfi, output_cfis, output_cfa_loc,
        output_cfa_loc_raw): Move to ...
        * dwarfcfi.c: ... here.
        * dwarf2out.h: Update decls.

2011-07-09  Richard Henderson  <rth@redhat.com>

        * defaults.h (DWARF_CIE_DATA_ALIGNMENT, DWARF_FRAME_RETURN_COLUMN,
        DWARF_FRAME_REGNUM, DWARF2_FRAME_REG_OUT): Move from ...
        * dwarf2cfi.c: ... here.
        (PTR_SIZE, DWARF_OFFSET_SIZE, DWARF_INITIAL_LENGTH_SIZE): Remove.
        (DWARF_ROUND, DWARF_CIE_ID): Remove.
        * dwarf2out.c (INCOMING_RETURN_ADDR_RTX): Remove.
        (DWARF2_FRAME_REG_OUT, DWARF_CIE_DATA_ALIGNMENT): Remove.
        (DWARF_FRAME_RETURN_COLUMN, DWARF_FRAME_REGNUM): Remove.

2011-07-09  Richard Henderson  <rth@redhat.com>

        * dwarf2cfi.c (cie_return_save): New.
        (queue_reg_save): Use compare_reg_or_pc.
        (dwarf2out_flush_queued_reg_saves): Handle pc_rtx as return column.
        (dwarf2out_frame_debug_expr): Likewise.
        (dwarf2out_frame_debug_cfa_register): Record saved reg for pc too.
        (initial_return_save): Likewise.
        (execute_dwarf2_frame): Save and restore initial return save from
        the cie to the fde.
        * config/mips/mips.c (mips_frame_set): Remove special case for
        DWARF_FRAME_RETURN_COLUMN.

2011-07-09  Richard Henderson  <rth@redhat.com>

        * dwarf2cfi.c (lookup_cfa): Remove.
        (execute_dwarf2_frame): Assert queues are empty on entry.
        Setup initial cfa directly, not via lookup_cfa.
        Don't clear args_size state here.

2011-07-09  Richard Henderson  <rth@redhat.com>

        * dwarf2cfi.c (add_cfi_vec): New.
        (add_cfi): Rename from add_fde_cfi.  Add the element to add_cfi_vec.<