* tree-vect-stmts.c (vectorizable_assignment): Call build1 instead of

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

2010-05-28  Nathan Froyd  <froydnj@codesourcery.com>

        * tree-vect-stmts.c (vectorizable_assignment): Call build1 instead of
        build1_stat.

2010-05-28  Richard Guenther  <rguenther@suse.de>

        PR lto/44312
        * lto-streamer-in.c (unpack_ts_fixed_cst_value_fields):
        Stream fixed-point constants mode.
        (unpack_ts_type_value_fields): Fix width of TYPE_MODE
        and TYPE_PRECISION.
        * lto-streamer-out.c (pack_ts_fixed_cst_value_fields):
        Stream fixed-point constants mode.
        (pack_ts_function_decl_value_fields): Fix width of TYPE_MODE
        and TYPE_PRECISION.

2010-05-28  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-scalar-evolution.c (set_nb_iterations_in_loop): Inlined in the
        only place it was called from.
        (number_of_latch_executions): Do not return chrec_dont_know when the
        may_be_zero is a runtime condition: instead, return a COND_EXPR
        including the may_be_zero condition.
        * cfgloop.h (struct loop): Add a note on COND_EXPRs to the comment
        of nb_iterations.
        * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Handle
        COND_EXPRs.

2010-05-28  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-if-conv.c (replace_phi_with_cond_gimple_assign_stmt): Don't
        generate COND_EXPRs for degenerate_phi_result.

2010-05-28  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/44293
        * tree-if-conv.c (if_convertible_loop_p): Check the
        if-convertibility of phi nodes in non predicated BBs.

2010-05-28  Joseph Myers  <joseph@codesourcery.com>

        * gcc.c (error, warning, inform): Remove duplicate ": " in output.

2010-05-28  Joseph Myers  <joseph@codesourcery.com>

        PR driver/15303
        * gcc.c (inform, warning, inform): New functions.
        (fatal_ice): Rename to internal_error; change cmsgid parameter to
        gmsgid.  All callers changed.
        (notice): Rename to fnotice; add parameter fp.  All callers
        changed.
        (fatal_error): Rename to fatal_signal.  All users changed.
        (fatal): Rename to fatal_error; change cmsgid parameter to
        gmsgid.  All callers changed.
        (process_command): Use warning instead of error for warnings.
        (end_going_arg): Don't use _() around argument of error.
        (do_spec_1): Use inform for message from %n specs.  Use warning
        instead of error for warnings.
        (main): Use inform for comparison messages.  Use warning for
        message about unused linker input.
        (error): Increment error_count.  Print "error: ".
        * gcc.h (fatal): Change to fatal_error.
        (warning): Declare.
        * config/darwin-driver.c (darwin_default_min_version): Use warning
        instead of fprintf for warnings.
        * cppspec.c (lang_specific_driver): Use fatal_error instead of
        fatal.

2010-05-28  Julian Brown  <julian@codesourcery.com>

        * config/arm/thumb2.md (*thumb2_addsi3_compare0): New.
        (*thumb2_addsi3_compare0_scratch): New.
        * config/arm/constraints.md (Pv): New.
        * config/arm/arm.md (*addsi3_compare0): Remove FIXME comment. Use
        for ARM mode only.
        (*addsi3_compare0_scratch): Likewise.

2010-05-28  Jan Hubicka  <jh@suse.cz>

        * ipa-reference.c (add_static_var): Remove redundant all_module_statics check.
        (ipa_reference_write_optimization_summary): Call is_proper_for_analysis only
        on local statics.

2010-05-28  Iain Sandoe  <iains@gcc.gnu.org>

        * config.gcc (*-*-darwin*): Adjust t-make fragments for Darwin.

2010-05-28  Maxim Kuvyrkov  <maxim@codesourcery.com>

        PR bootstrap/44314
        * config/alpha/linux.h, config/rs6000/linux.h, config/rs6000/linux64.h
        (OPTION_GLIBC): Define.

2010-05-28  Jakub Jelinek  <jakub@redhat.com>

        PR debug/41048
        * dwarf2out.c (double_int_type_size_in_bits): New function.
        (round_up_to_align): Change first argument and return value to
        double_int.
        (field_byte_offset): Work internally on double_ints.

        PR target/43636
        * builtins.c (expand_movstr): Use a temporary pseudo instead
        of target even when target is not NULL and not const0_rtx, but
        fails movstr predicate.
        * config/m32c/blkmov.md (movstr): Add predicate to first operand.

2010-05-28  Joseph Myers  <joseph@codesourcery.com>

        * final.c (rest_of_clean_state): Use %m in errors instead of
        strerror (errno).
        * gengtype.c (read_input_list, close_output_files): Use xstrerror
        instead of strerror.
        * toplev.c (process_options): Use %m in errors instead of strerror
        (errno).
        * tree-dump.c (dump_begin): Use %m in errors instead of strerror
        (errno).

2010-05-28  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_fn_abi_va_list): Make static.
        (ix86_canonical_va_list_type): Make static.  Add declaration.
        (ix86_enum_va_list): Make static.  Reindent.
        * config/i386/i386-protos.h (ix86_fn_abi_va_list): Remove declaration.
        (ix86_canonical_va_list_type): Ditto.
        (ix86_enum_va_list): Ditto.

2010-05-28  Richard Guenther  <rguenther@suse.de>

        * lto-wrapper.c (run_gcc): With -save-temps generate a
        user-visible ltrans filename.  Fixup ltrans unit numbering.

2010-05-28  Kai Tietz  <kai.tietz@onevision.com>

        * c-common.c (c_common_nodes_and_builtins): Replace use
        of TARGET_ENUM_VA_LIST by target hook enum_va_list.
        * config/i386/i386.c (TARGET_ENUM_VA_LIST_P): Hook
        to ix86_enum_va_list.
        * config/i386/i386.h (TARGET_ENUM_VA_LIST): Removed.
        * doc/tm.texi (TARGET_ENUM_VA_LIST): Removed.
        (TARGET_ENUM_VA_LIST_P): Add hook description.
        * target-def.h (TARGET_ENUM_VA_LIST_P): Added.
        * target.h (gcc_target): Add enum_va_list hook.

        PR bootstrap/44299
        * config/i386/t-cygming: Adjust header dependencies for winnt-cxx.c.
        * config/i386/winnt-cxx.c (IN_GCC_FRONTEND): Remove undefine.
        * config/i386/winnt.c (IN_GCC_FRONTEND): Likewise.

2010-05-28  Alan Modra  <amodra@gmail.com>

        PR target/44266
        * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Use
        emit_library_call machinery to set up __tls_get_addr calls.

2010-05-28  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.md (movqi): Fix typo ('*' -> '#').

2010-05-28  Dodji Seketeli  <dodji@redhat.com>

        revert fix for PR c++/44188
        * c-common.c (is_typedef_decl): Revert the moving of  this
        definition ...
        * tree.c (is_typedef_decl): ... here.
        (typdef_variant_p): Revert the moving of this  definition
        here from gcc/cp/tree.c.
        * c-common.h (is_typedef_decl): Revert the moving of this
        declaration ...
        * tree.h (is_typedef_decl): ... here.
        (typedef_variant_p): Revert the moving of this  declaration here
        from gcc/cp/cp-tree.h
        * dwarf2out.c (is_naming_typedef_decl): Revert this new function.
        (gen_tagged_type_die): Revert the splitting out of ...
        (gen_type_die_with_usage): ... this function. Revert the anonymous
        tagged type handling.
        (gen_typedef_die): Revert emitting DW_TAG_typedef  for
        typedefs naming anonymous tagged types.


2010-05-28  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000-modes.def (PSImode): Delete.

2010-05-28  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/constraints.md ("z" constraint): Change to CA_REGS.
        * config/rs6000/predicates.md: Change XER_REGNO_P to CA_REGNO_P
        throughout.
        * config/rs6000/rs6000.c (rs6000_reg_names, alt_reg_names): Change
        "xer" to "ca".
        Change XER_REGNO_P to CA_REGNO_P, XER_REGNO to CA_REGNO, and
        XER_REGS to CA_REGS throughout.
        * config/rs6000/rs6000.h: Same.
        (ADDITIONAL_REGISTER_NAMES): Add "xer".
        * config/rs6000/rs6000.md: Change XER_REGNO to CA_REGNO.  Document
        that mode_iterator "P" is the size for arithmetic carries as well.
        * doc/md.texi (rs6000 section, "z" constraint): Fix documentation.

2010-05-28  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/44255
        * combine.c (struct rtx_subst_pair): Define unconditionally.
        (propagate_for_debug_subst): Likewise.  If not AUTO_INC_DEC,
        copy_rtx pair->to instead of cleanup_auto_inc_dec it.
        Call make_compound_operation on pair->to.
        (propagate_for_debug): Don't call make_compound_operation here.
        Always use simplify_replace_fn_rtx.

2010-05-27  Sterling Augustine  <sterling@tensilica.com>

        * doc/invoke.texi (xtensa options): Add -mforce-no-pic.
        * config/xtensa/xtensa.c (override_options): Check
          TARGET_FORCE_NO_PIC and set flag_pic.
        * config/xtensa/xtensa.opt: Document -mforce-no-pic

2010-05-27  Kai Tietz  <kai.tietz@onevision.com>

        PR bootstrap/44299
        * config/i386/winnt.c (IN_GCC_FRONTEND): Undefine.
        * config/i386/winnt-cxx.c (IN_GCC_FRONTEND): Likewise.

2010-05-27  Joseph Myers  <joseph@codesourcery.com>

        * diagnostic-core.h: New.  Contents moved from diagnostic.h and
        toplev.h.
        * diagnostic.c: Don't include toplev.h.
        (progname): Define.  Moved from toplev.c.
        (seen_error): New function.
        * diagnostic.h: Include diagnostic-core.h.
        (diagnostic_t, emit_diagnostic): Don't declare here.
        * toplev.c (progname): Move to toplev.c.
        (emit_debug_global_declarations, compile_file, finalize,
        do_compile, toplev_main): Use seen_error.
        * toplev.h: Include diagnostic-core.h.
        (trim_filename, GCC_DIAG_STYLE, ATTRIBUTE_GCC_DIAG,
        internal_error, warning, warning_at, error, error_n, error_at,
        fatal_error, pedwarn, permerror, sorry, inform, inform_n,
        verbatim, fnotice, progname): Move to diagnostic-core.h.
        * builtins.c: Include diagnostic-core.h instead of diagnostic.h.
        (expand_builtin_expect): Use seen_error.
        * c-decl.c: Include diagnostic-core.h instead of diagnostic.h.
        (c_make_fname_decl, c_write_global_declarations): Use seen_error.
        * c-format.c: Include diagnostic-core.h instead of diagnostic.h.
        * c-gimplify.c: Include diagnostic-core.h instead of diagnostic.h.
        * c-lang.c: Include diagnostic-core.h instead of diagnostic.h.
        * c-lex.c (c_lex_with_flags, interpret_float): Don't increment
        errorcount for errors.
        * c-opts.c (c_common_finish): Use seen_error.
        * cgraph.c: Include diagnostic-core.h instead of diagnostic.h.
        * cgraphunit.c (verify_cgraph_node, verify_cgraph,
        cgraph_output_pending_asms, cgraph_optimize): Use seen_error.
        * coverage.c: Include diagnostic-core.h instead of diagnostic.h.
        (get_coverage_counts): Use seen_error.
        * dwarf2out.c (dwarf2out_finish): Use seen_error.
        * gimplify.c (gimplify_var_or_parm_decl, gimple_push_cleanup,
        gimplify_body): Use seen_error.
        * ipa-inline.c (cgraph_early_inlining): Use seen_error.
        * ipa-pure-const.c (gate_pure_const): Use seen_error.
        * ipa-reference.c (gate_reference): Use seen_error.
        * jump.c: Include diagnostic-core.h instead of diagnostic.h.
        * lambda-code.c: Include diagnostic-core.h instead of
        diagnostic.h.
        * lto-cgraph.c: Include diagnostic-core.h instead of diagnostic.h.
        * lto-compress.c: Include diagnostic-core.h instead of
        diagnostic.h.
        * lto-section-in.c: Include diagnostic-core.h instead of
        diagnostic.h.
        * lto-streamer-out.c: Include diagnostic-core.h instead of
        diagnostic.h.
        * lto-streamer.c: Include diagnostic-core.h instead of
        diagnostic.h.
        (gate_lto_out): Use seen_error.
        * matrix-reorg.c: Include diagnostic-core.h instead of
        diagnostic.h.
        * omega.c: Include diagnostic-core.h instead of diagnostic.h.
        * omp-low.c: Include diagnostic-core.h instead of diagnostic.h.
        (gate_expand_omp, lower_omp_1): Use seen_error.
        * passes.c: Include diagnostic-core.h instead of diagnostic.h.
        (rest_of_decl_compilation, rest_of_type_compilation,
        gate_rest_of_compilation, ipa_write_summaries): Use seen_error.
        * tree-cfg.c (label_to_block_fn): Use seen_error.
        * tree-inline.c (optimize_inline_calls): Use seen_error.
        * tree-mudflap.c (mudflap_finish_file): Use
        seen_error.
        * tree-optimize.c (gate_all_optimizations,
        gate_all_early_local_passes, gate_all_early_optimizations): Use
        seen_error.
        * tree-ssa-structalias.c (gate_ipa_pta): Use seen_error.
        * varpool.c: Include diagnostic-core.h instead of diagnostic.h.
        (varpool_remove_unreferenced_decls,
        varpool_assemble_pending_decls): Use seen_error.
        * Makefile.in (DIAGNOSTIC_CORE_H): Define.
        (TOPLEV_H, DIAGNOSTIC_H): Update.
        (c-decl.o, c-lang.o, c-format.o, lto-compress.o, lto-cgraph.o,
        lto-streamer-out.o, lto-section-in.o, lto-streamer.o,
        c-gimplify.o, omp-low.o, omega.o, diagnostic.o, passes.o,
        builtins.o, jump.o, cgraph.o, varpool.o, matrix-reorg.o,
        coverage.o, lambda-code.o): Update dependencies.

2010-05-25  Dodji Seketeli  <dodji@redhat.com>

        PR c++/44188
        * c-common.c (is_typedef_decl): Move this definition ...
        * tree.c (is_typedef_decl): ... here.
        (typdef_variant_p): Move definition here from gcc/cp/tree.c.
        * c-common.h (is_typedef_decl): Move this declaration ...
        * tree.h (is_typedef_decl): ... here.
        (typedef_variant_p): Move declaration here from gcc/cp/cp-tree.h
        * dwarf2out.c (is_naming_typedef_decl): New function.
        (gen_tagged_type_die): Split out of ...
        (gen_type_die_with_usage): ... this function. When an anonymous
        tagged type is named by a typedef, make sure a DW_TAG_typedef DIE
        is emitted for the typedef.
        (gen_typedef_die): Emit DW_TAG_typedef also for typedefs naming
        anonymous tagged types.

2010-05-27  Jason Merrill  <jason@redhat.com>

        * print-tree.c (debug_vec_tree): New fn.
        (print_vec_tree): New fn.
        * tree.h: Declare them.
        * gdbinit.in (pvt): New command.

        * print-tree.c (print_node) [TREE_VEC]: Print elements normally.

        * gdbinit.in (pdd): New command.

2010-05-27  Jan Hubicka  <jh@suse.cz>

        * ipa-inline.c (cgraph_estimate_size_after_inlining): Make inline.
        (update_caller_keys): Return early if there are no callers;
        only update fibheap when decresing the key.
        (update_callee_keys): Avoid recursion.
        (decide_inlining_of_small_functions): When badness does not match;
        re-insert into fibheap.

2010-05-27  Steven Bosscher  <steven@gcc.gnu.org>

        * Makefile.in (ALL_CFLAGS): Add file-specific CFLAGS.
        (ALL_HOST_FRONTEND_OBJS): New, for all front-end specific objects.
        (ALL_HOST_BACKEND_OBJS): New, for all backend and target objects.
        (ALL_HOST_OBJS): Now a union of the above two.
        <section "Language makefile fragments">: Add -DIN_GCC_FRONTEND for
        all files in ALL_HOST_FRONTEND_OBJS.
        * system.h: Poison GCC_RTL_H if IN_GCC_FRONTEND is defined.

        * c-common.c: Pretend to be a backend file by undefining
        IN_GCC_FRONTEND (still need rtl.h here).

2010-05-27  Jan Hubicka  <jh@suse.cz>

        * cgraph.h (struct cgraph_node): Mark former_clone_of by GTY ((skip)).
        * cgraphunit.c (clone_of_p): Compile only when checking is enabled.

2010-05-27  Jan Hubicka  <jh@suse.cz>

        * sched-ebb.c: Rename struct deps to struct deps_desc.
        * ddg.c: Likewise.
        * sel-sched-ir.c: Likewise.
        * sched-deps.c: Likewise.
        * sched-int.h: Likewise.
        * sched-rgn.c: Likewise.

2010-05-27  Jon Beniston <jon@beniston.com>

        PR 43726
        * config/lm32/lm32.h: Remove definition of 
        GO_IF_MODE_DEPENDENT_ADDRESS. Update copyright year.

2010-05-27  Eric Botcazou  <ebotcazou@adacore.com>

        PR lto/44230
        * dwarf2out.c (dwarf2out_begin_prologue): Fix nits in sorry message.

2010-05-27  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44284
        * tree-vect-stmts.c (vectorizable_assignment): Handle
        sign-changing conversions as simple copy.

2010-05-27  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * gthr-posix.h (pthread_cancel): Don't declare if compiling against
        Bionic C library.
        (__gthread_active_p): Check for pthread_create if compiling against
        Bionic C library.

2010-05-27  Maxim Kuvyrkov  <maxim@codesourcery.com>

        Support compilation for Android platform.  Reimplement -mandroid.

        * config.gcc (*linux*): Include linux-android.h and linux-android.opt.
        (*android*): Set ANDROID_DEFAULT.
        (arm*-*-linux*): Include linux-android.h.
        (arm*-*-eabi*): Don't include previous -mandroid implementation.
        * config/arm/eabi.h: Remove, move Android-specific parts ...
        * config/linux-android.h: ... here.  New file.
        * config/arm/eabi.opt: Rename to ...
        * config/linux-android.opt: ... this.
        (mandroid): Allow -mno-android option.  Initialize based on
        ANDROID_DEFAULT.
        * config/linux.h (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC, LIB_SPEC):
        Move logic to corresponding LINUX_TARGET_* macros.
        (TARGET_OS_CPP_BUILTINS): Define __ANDROID__, when appropriate.
        * config/linux-eabi.h (LINK_SPEC, CC1_SPEC, CC1PLUS_SPEC, LIB_SPEC,)
        (STARTFILE_SPEC, ENDFILE_SPEC): Define to choose between Linux and
        Android definitions.
        (LINUX_TARGET_OS_CPP_BUILTINS): Define __ANDROID__ if TARGET_ANDROID.
        * doc/invoke.texi (-mandroid, -tno-android-cc, -tno-android-ld):
        Document.

2010-05-27  Maxim Kuvyrkov  <maxim@codesourcery.com>

        Add support for Bionic C library

        * config.gcc (LIBC_GLIBC, LIBC_BIONIC, LIBC_UCLIBC): New tm_define
        macro.
        (DEFAULT_LIBC): New tm_define macro set to one of LIBC_*.
        (bfin*-uclinux, moxie-*-uclinux*, m68k-*-uclinux*): Update.

        * config/linux.h (OPTION_GLIBC, OPTION_UCLIBC, OPTION_BIONIC): Define.
        (LINUX_TARGET_OS_CPP_BUILTINS): Define __gnu_linux__ only for GLIBC.
        (CHOOSE_DYNAMIC_LINKER1, CHOOSE_DYNAMIC_LINKER): Make it easier
        to support multiple C libraries.  Handle Bionic.
        (BIONIC_DYNAMIC_LINKER, BIONIC_DYNAMIC_LINKER32,)
        (BIONIC_DYNAMIC_LINKER64): Define.
        (LINUX_DYNAMIC_LINKER, LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64):
        Update.
        (TARGET_HAS_SINCOS): Enable for Bionic.

        * config/linux.opt: Rewrite to handle more than 2 C libraries.  Make
        the last option specified on command line take effect.
        (linux_uclibc): Rename to linux_libc, initialize using DEFAULT_LIBC.
        (mbionic): New.
        (mglibc, muclibc): Update.

        * config/alpha/linux-elf.h, config/rs6000/linux64.h,
        * config/rs6000/sysv4.h (CHOOSE_DYNAMIC_LINKER): Update to use
        DEFAULT_LIBC.

        * doc/invoke.texi (-mglibc, -muclibc): Update.
        (-mbionic): Document.

2010-05-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * c-common.h (c_register_addr_space): Add prototype.
        (ADDR_SPACE_KEYWORD): Remove.
        * c-common.c (c_register_addr_space): New function.
        (c_addr_space_name): Reimplement.
        (c_common_reswords): Do not include TARGET_ADDR_SPACE_KEYWORDS.

        * config/spu/spu.h (TARGET_ADDR_SPACE_KEYWORDS): Remove.
        (REGISTER_TARGET_PRAGMAS): Call c_register_addr_space.

        * doc/tm.texi (Named Address Spaces): Mention c_register_addr_space.
        Remove TARGET_ADDR_SPACE_KEYWORDS.

2010-05-27  Joseph Myers  <joseph@codesourcery.com>

        * input.c: New file.
        * input.h (main_input_filename): Move declaration to toplev.h.
        * toplev.c (input_location, line_table): Move to input.c
        * toplev.h (main_input_filename): Move declaration from input.h.
        * tree.c (expand_location): Move to input.c.
        * Makefile.in (OBJS-common): Add input.o.
        (input.o): Add dependencies.

2010-05-27  Richard Guenther  <rguenther@suse.de>

        * lto-wrapper.c (maybe_unlink_file): Ignore unlink failure
        for non-existant files.
        (fork_execute): Mark args_name file as deleted.

2010-05-27  Kai Tietz  <kai.tietz@onevision.com>

        PR bootstrp/44287
        * c-lex.c (narrowest_unsigned_type): Check for NULL_TREE.
        (narrow_signed_type): Likewise.

2010-05-26  Jan Hubicka  <jh@suse.cz>

        * cgraphunit.c (verify_cgraph_node): Do checking that DECL match
        edge only when checking is enabled; check using former_clone_of;
        check inline clones too.
        (cgraph_materialize_clone): Record former_clone_of pointer.
        (cgraph_redirect_edge_call_stmt_to_callee): Assert that we are not
        combining redirections; dump args_to_skip bitmap
        (cgraph_materialize_all_clones): Do no redirection here.
        * ipa-inline.c (inline_transform): Do redirection here.
        * cgraph.h (struct cgraph_node): Add former_clone_of filed (enabled
        cheking only).

2010-05-26  Steven Bosscher  <steven@gcc.gnu.org>

        * config/avr/avr-c.c: Do not include regs.h.
        Include cpplib.h for cpp_define and tree.h for c-common.h.
        * config/avr/avr-devices.c (avr_mcu_types): Fix initializer.
        * config/avr/t-avr: Fix dependencies for avr-c.o.

2010-05-26  Steven Bosscher  <steven@gcc.gnu.org>

        * explow.c (set_stack_check_libfunc): Adjust to accept name as a
        string instead of SYMBOL_REF rtx.
        * rtl.h (set_stack_check_libfunc): Move prototype from here...
        * libfuncs.h: ...to here.  Adjust for explow.c change.

2010-05-26  Joseph Myers  <joseph@codesourcery.com>

        * pretty-print.c: Don't include ggc.h.
        (identifier_to_locale_alloc, identifier_to_locale_free): Define.
        (identifier_to_locale): Use them for allocation.
        * pretty-print.h (identifier_to_locale_alloc,
        identifier_to_locale_free): Declare.
        * toplev.c (alloc_for_identifier_to_locale): New.
        (general_init): Set identifier_to_locale_alloc and
        identifier_to_locale_free.
        * Makefile.in (pretty-print.o): Update dependencies.

2010-05-26  Eric Botcazou  <ebotcazou@adacore.com>

        * gimple.c (gimple_types_compatible_p): Return 0 for aggregate and
        pointer types if they have different alignment or mode.

2010-05-26  Anatoly Sokolov  <aesok@post.ru>

        * config/sparc/sparc.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
        LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
        * config/sparc/sparc-protos.h (function_value): Remove declaration.
        * config/sparc/sparc.c (sparc_function_value, sparc_libcall_value,
        sparc_function_value_regno_p): New functions.
        (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
        TARGET_FUNCTION_VALUE_REGNO_P): Define.
        (function_value): Rename to...
        (sparc_function_value_1): ... this. Make static. Change 'incoming_p'
        argument to 'outgoing'.
        (function_arg_record_value, function_arg_union_value,
        function_arg_vector_value): Update comment.

2010-05-26  Eric Botcazou  <ebotcazou@adacore.com>

        * dwarf2out.c (struct dw_fde_struct): Reorder flags.
        (fde_needed_for_eh_p): New predicate.
        (output_call_frame_info): Use it throughout to decide whether FDEs
        are needed for EH purpose.
        (dwarf2out_begin_prologue): Reorder assignments.

2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-if-conv.c (if_convertible_gimple_assign_stmt_p): Do not
        special case loop->header.
        (is_predicated): New.
        (if_convertible_loop_p): Call it.

2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-if-conv.c (add_to_dst_predicate_list): Do not pass a statemet
        iterator in parameter.  Do not generate code during the analysis.
        (tree_if_convert_cond_stmt): Removed.
        (tree_if_convert_stmt): Removed.
        (predicate_bbs): New.
        (if_convertible_loop_p): Call predicate_bbs.
        (tree_if_conversion): Simplify the top-level logic as predicate_bbs
        now contains all the analysis part.

2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-if-conv.c (tree_if_convert_cond_stmt): Do not remove
        statements in the analysis part.
        (tree_if_convert_stmt): Update comment.
        (remove_conditions_and_labels): New.
        (combine_blocks): Call remove_conditions_and_labels.
        (tree_if_conversion): Update comment.

2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-if-conv.c (if_convertible_bb_p): Don't handle BBs with more
        than 2 predecessors or more than 2 successors.

2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-if-conv.c (if_convertible_loop_p): Avoid if-conversion
        of loops in which the data dependence analysis fails.

2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-if-conv.c (if_convertible_loop_p): Do not compute/free
        CDI_POST_DOMINATORS.
        (tree_if_conversion): Same.

2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-if-conv.c (tree_if_conversion): Do not return a bool.

2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-if-conv.c: Update copyright years.  Fix comments.
        Fix indentation.

2010-05-26  Kai Tietz  <kai.tietz@onevision.com>

        * builtin-types.def (BT_INT128): New primitive type.
        (BT_UINT128): Likewise.
        * c-common.c (c_common_r): Add __int128 keyword.
        (c_common_type_for_size): Handle __int128.
        (c_common_type_for_mode): Likewise.
        (c_common_signed_or_unsigned_type): Likewise.
        (c_common_nodes_and_builtins): Add builtin type
        if target supports 128-bit integer scalar.
        * c-common.h (enum rid): Add RID_INT128.
        * c-cppbuiltin.c (c_cpp_builtins): Define __SIZEOF_INT128__
        if target supports 128-bit integer scalar.
        * c-decl.c (declspecs_add_type): Handle new keyword __int128.
        (finish_declspecs): Likewise.
        * c-parser.c (c_token_starts_typename): Handle RID_INT128.
        (c_token_starts_declspecs): Likewise.
        (c_parser_declspecs): Likewise.
        (c_parser_attributes): Likewise.
        (c_parser_objc_selector): Likewise.
        * c-pretty-print.c (pp_c_integer_constant): Handle __int128.
        * c-tree.h (enum c_typespec_keyword): Add cts_int128.
        * gimple.c (gimple_signed_or_unsigned_type): Handle int128 types.
        * tree.c (make_or_reuse_type): Likewise.
        (make_unsigned_type): Likewise.
        (build_common_tree_nodes_2): Likewise.
        * tree.h (enum integer_type_kind): Add itk_int128 and
        itk_unsigned_int128.
        (int128_integer_type_node): New define.
        (int128_unsigned_type_node): New define.
        * doc/extend.texi: Add documentation about __int128 type.

2010-05-26  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-sccvn.c (copy_nary): Adjust.
        (copy_phis): Rename to ...
        (copy_phi): ... this.  Adjust.
        (copy_references): Rename to ...
        (copy_reference): ... this.  Adjust.
        (process_scc): Use HTAB_FOR_EACH_ELEMENT to insert the
        result into the valid table.

2010-05-26  Steven Bosscher  <steven@gcc.gnu.org>

        * config/spu/spu-c.c: Do not include function.h, rtl.h, expr.h,
        insn-config.h, insn-codes.h, recog.h, and optabs.h.

2010-05-26  Laurynas Biveinis  <laurynas.biveinis@gmail.com>

        * ggc.h (ggc_min_expand_heuristic, ggc_min_heapsize_heuristic): Remove.

2010-05-26  Richard Guenther  <rguenther@suse.de>

        * opts.c (common_handle_option): Handle OPT_Ofast.

2010-05-26  Joseph Myers  <joseph@codesourcery.com>

        * diagnostic.c: Don't include opts.h.
        (permissive_error_option): Define.
        (diagnostic_initialize): Take n_opts parameter.  Allocate memory
        for classify_diagnostic.  Don't use memset for
        classify_diagnostic.  Initialize new and recently added fields.
        (diagnostic_classify_diagnostic): Use context->n_opts instead of
        N_OPTS.
        (diagnostic_report_diagnostic): Pass context parameter to
        diagnostic_report_warnings_p.  Use option_enabled and option_name
        hooks from context.
        (emit_diagnostic): Use permissive_error_option.
        (permerror): Likewise.
        * diagnostic.h: Don't include options.h.
        (struct diagnostic_context): Add n_opts, opt_permissive,
        inhibit_warnings, warn_system_headers, option_enabled and
        option_name fields.  Change classify_diagnostic to a pointer.
        * opts-diagnostic.h: New file.
        * opts.c: Include opts-diagnostic.h.
        (common_handle_option): Set global_dc fields for -Wfatal-errors,
        -Wsystem-headers, -fshow-column, -pedantic-errors and -w.
        (option_name): New function.
        * c-opts.c (c_common_init_options): Set global_dc->opt_permissive.
        (c_common_handle_option): Set global_dc->permissive for
        -fpermissive.
        * c-common.c (c_cpp_error): Save and restore
        global_dc->warn_system_headers, not variable warn_system_headers.
        * toplev.c: Include opts-diagnostic.h.
        (general_init): Update call to diagnostic_initialize.  Set
        global_dc->show_column, global_dc->option_enabled and
        global_dc->option_name.
        (process_options): Don't set global_dc fields here.
        * Makefile.in (DIAGNOSTIC_H): Remove options.h.
        (diagnostic.o, opts.o, toplev.o): Update dependencies.

2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>

        * config/picochip/picochip.md (movsi): Split a movsi from a
        const after reload.

2010-05-26  Laurynas Biveinis  <laurynas.biveinis@gmail.com>

        * ggc-zone.c: Update copyright year.
        (poison_region): Mark memory for Valgrind as undefined before
        memset () call and inaccessible afterwards.
        (ggc_pch_total_size): Change type of i to int.

2010-05-26  Laurynas Biveinis  <laurynas.biveinis@gmail.com>

        * ggc-common.c (ggc_free_overhead): Allow empty slot.

2010-05-26  Laurynas Biveinis  <laurynas.biveinis@gmail.com>

        * ggc-common.c: Update copyright year.
        (ggc_rlimit_bound): Remove prototype.  Compile only if
        !ENABLE_GC_CHECKING && !ENABLE_GC_ALWAYS_COLLECT.
        (ggc_min_heapsize_heuristic): Compile only if !ENABLE_GC_CHECKING
        && !ENABLE_GC_ALWAYS_COLLECT.  Make static.
        (ggc_min_heapsize_heuristic): Likewise.

2010-05-26  Richard Guenther  <rguenther@suse.de>

        PR rtl-optimization/44164
        * tree-ssa-alias.c (aliasing_component_refs_p): Fix the
        no-common access-path disambiguation.
        (indirect_ref_may_alias_decl_p): Adjust.
        (indirect_refs_may_alias_p): Likewise.
        (refs_may_alias_p_1): Likewise.

2010-05-26  Steven Bosscher  <steven@gcc.gnu.org>

        * c-typeck.c: Do not include expr.h.

2010-05-26  Steven Bosscher  <steven@gcc.gnu.org>

        * rtl.h (decl_default_tls_model): Move prototype from here...
        * output.h: ...to here.
        * c-decl.c: Do not include rtl.h.
        * c-pragma.c: Likewise.
        * c-parser.c: Likewise.
        * c-gimplify.c: Likewise.  And also not hard-reg-set.
        * c-common.c: Do not include rtl.h.  Include tm_p.h and add a
        FIXME note for it.  Add a FIXME note for expr.h.
        * config/i386/i386-protos.h (ix86_enum_va_list, ix86_fn_abi_va_list,
        ix86_canonical_va_list_type): Make visible even if RTX_CODE is not
        defined.

2010-05-26  Jakub Jelinek  <jakub@redhat.com>

        PR target/44199
        * config/rs6000/rs6000.c (rs6000_emit_epilogue): If cfun->calls_alloca
        or total_size is larger than red zone size for non-V4 ABI, emit a
        stack_tie resp. frame_tie insn before stack pointer restore.
        * config/rs6000/rs6000.md (frame_tie): New insn.

2010-05-25  Eric Botcazou  <ebotcazou@adacore.com>

        * function.h (struct function): Add can_throw_non_call_exceptions bit.
        * lto-streamer-in.c (input_function): Stream it in.
        * lto-streamer-out.c (output_function): Stream it out.
        * function.c (allocate_struct_function): Set it.
        (expand_function_end): Substitute cfun->can_throw_non_call_exceptions
        for flag_non_call_exceptions.
        * cfgbuild.c (control_flow_insn_p): Likewise.
        (make_edges): Likewise.
        * cfgexpand.c (expand_stack_alignment): Likewise.
        * combine.c (distribute_notes): Likewise.
        * cse.c (cse_extended_basic_block): Likewise.
        * except.c (insn_could_throw_p): Likewise.
        * gcse.c (simple_mem): Likewise.
        * ipa-pure-const.c (check_call): Likewise.
        (check_stmt ): Likewise.
        * lower-subreg.c (lower-subreg.c): Likewise.
        * optabs.c (emit_libcall_block): Likewise.
        (prepare_cmp_insn): Likewise.
        * postreload-gcse.c (eliminate_partially_redundant_loads): Likewise.
        * postreload.c (rest_of_handle_postreload): Likewise.
        * reload1.c (reload_as_needed): Likewise.
        (emit_input_reload_insns): Likewise.
        (emit_output_reload_insns): Likewise.
        (fixup_abnormal_edges): Likewise.
        * sel-sched-ir.c (init_global_and_expr_for_insn): Likewise.
        * store-motion.c (find_moveable_store): Likewise.
        * tree-eh.c (stmt_could_throw_p): Likewise.
        (tree_could_throw_p): Likewise.
        * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
        * config/arm/arm.c (arm_expand_prologue): Likewise.
        (thumb1_expand_prologue): Likewise.
        * config/rx/rx.md (cbranchsf4): Likewise.
        (cmpsf): Likewise.
        * config/s390/s390.c (s390_emit_prologue): Likewise.
        * tree-inline.c (initialize_cfun): Copy can_throw_non_call_exceptions.
        (inline_forbidden_into_p): New predicate.
        (expand_call_inline): Use it to forbid inlining.
        (tree_can_inline_p): Likewise.

2010-05-25  Steven Bosscher  <steven@gcc.gnu.org>

        * config/i386/i386-c.c: Do not include rtl.h.
        * config/i386/t-i386: Update dependencies.

2010-05-25  Steven Bosscher  <steven@gcc.gnu.org>

        * attribs.c: Do not include rtl.h.
        * Makefile.in: Update dependencies.

2010-05-25  Anatoly Sokolov  <aesok@post.ru>

        * double-int.h (double_int_and): New.
        * combine.c (try_combine): Clean up, use double_int_* and
        immed_double_int_const functions.

2010-05-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac (gcc_cv_as_ld_jalr_reloc): Redirect grep stdout,
        stderr to /dev/null instead of grep -q.
        * configure: Regenerate.

2010-05-25  Steven Bosscher  <steven@gcc.gnu.org>

        * Makefile.in (EXCEPT_H): Fix typo.

2010-05-25  Vladimir Makarov <vmakarov@redhat.com>

        * ira-build.c (update_conflict_hard_reg_costs): New.
        (ira_build): Call update_conflict_hard_reg_costs.

2010-05-25  Jakub Jelinek  <jakub@redhat.com>

        PR debug/41371
        * var-tracking.c (find_loc_in_1pdv): Guard asserts with
        ENABLE_CHECKING.
        (intersect_loc_chains): Walk the s2var's loc_chain together
        with s1node chain as long as the locations are equal, don't
        call find_loc_in_1pdv in that case.

        PR debug/42801
        * tree-inline.c (remap_decls): Remap DECL_VALUE_EXPR here...
        (copy_bind_expr): ... instead of here.
        (copy_tree_body_r): If id->remapping_type_depth clear TREE_BLOCK
        if the block hasn't been remapped.
        * dwarf2out.c (gen_formal_parameter_die, gen_variable_die): When
        emitting concrete instance of abstract VLA, add DW_AT_type attribute.

2010-05-25  Richard Guenther  <rguenther@suse.de>

        PR middle-end/44069
        * gimple-fold.c (maybe_fold_stmt_addition): Avoid generating
        out-of-bounds array accesses.

2010-05-25  Richard Guenther  <rguenther@suse.de>

        * lto-wrapper.c (nr, input_names, output_names, makefile): Globalize.
        (lto_wrapper_exit): Unlink all LTRANS temporary files on error.
        (run_gcc): Re-organize to make cleanup easier.

2010-05-25  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.c (optimization_options): Fix and move the
        flag_prefetch_loop_arrays override ...
        (override_options): ... here.

2010-05-25  Joseph Myers  <joseph@codesourcery.com>

        * diagnostic.c: Don't include plugin.h.
        (diagnostic_report_diagnostic): Don't handle plugins specially
        here.  Pass context to internal_error callback.
        * diagnostic.h (struct diagnostic_context): Add context parameter
        to internal_error callback.
        * plugin.c (warn_if_plugins, plugins_internal_error_function): New.
        * plugin.h (struct diagnostic_context): Declare.
        (warn_if_plugins, plugins_internal_error_function): Declare.
        * toplev.c (general_init): Set global_dc->internal_error.
        * Makefile.in (diagnostic.o): Update dependencies.

2010-05-25 Iain Sandoe  <iains@gcc.gnu.org>

        * config/rs6000/darwin64.h: Update DARWIN_ARCH_SPEC.
        * config/rs6000/t-darwin64: New.
        * config.gcc (powerpc64-*-darwin*): Use darwin.opts, t-darwin64,
        build crt2.

2010-05-25  Christian Borntraeger  <borntraeger@de.ibm.com>

        PR 44203
        * tree-ssa-loop-prefetch.c: Fix logic for step calculation to
        match the original (and intended) behaviour before r159557.  This
        changeset changed a=a+b*c to a=(a+b)*b which was obviously wrong
        in two ways.

2010-05-25  Richard Guenther  <rguenther@suse.de>

        * doc/invoke.texi: Document -Ofast.
        * target.h (struct gcc_target): Add handle_ofast.
        * target-def.h (TARGET_HANDLE_OFAST): Add.
        (TARGET_INITIALIZER): Adjust.
        * opts.c (decode_options): Handle -Ofast.  Enable -ffast-math with it.
        * common.opt (Ofast): Add.

2010-05-25  Paolo Bonzini  <bonzini@gnu.org>

        * doc/tm.texi (STORE_FLAG_VALUE): Do not refer to sCC patterns.
        * doc/md.texi (cstoreXX4): Update for cond-optab changes.

2010-05-25  Paolo Bonzini  <bonzini@gnu.org>

        PR target/43610
        * optabs.c (prepare_float_lib_cmp): Allow reversing the comparison
        even if !FLOAT_LIB_COMPARE_RETURNS_BOOL.  Always compute true_rtx and
        false_rtx.  Use false_rtx to compute the correct *ptest for reversed
        comparisons for which !FLOAT_LIB_COMPARE_RETURNS_BOOL.

2010-05-25  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (loc_descr_plus_const): When offset is negative, use
        DW_OP_minus with negated offset instead of DW_OP_plus.
        (loc_list_from_tree): Don't test whether second operand is INTEGER_CST.

2010-05-25  Wei Guozhi  <carrot@google.com>

        * config/arm/thumb2.md (thumb2_tlobits_cbranch): Add constraint to
        tst instruction and a new alternative.
        * config/arm/constraints.md (Pu): New constraint.

2010-05-24  Sebastian Pop  <sebastian.pop@amd.com>

        * function.c (assign_stack_local_1): Initialize variable
        to avoid warning when bootstrapping at -O3.

2010-05-24  Steven Bosscher  <steven@gcc.gnu.org>

        * configure.ac (all_lang_makefiles): Remove everything related to it.
        * configure: Regenerate.
        * Makefile.in: Fix reference to ada Make-lang.in.
        Remove support for LANG_MAKEFILES.

2010-05-24  Daniel Jacobowitz  <dan@codesourcery.com>
            Sandra Loosemore  <sandra@codesourcery.com>

        * config/arm/neon-testgen.ml: Use dg-add-options arm_neon.
        * doc/sourcebuild.texi (Effective-Target Keywords): Update arm_neon_ok
        description.  Add arm_neon_fp16_ok.
        (Add Options): Add arm_neon and arm_neon_fp16.

2010-05-24  Joseph Myers  <joseph@codesourcery.com>

        * diagnostic.c: Don't include flags.h.
        (pedantic_warning_kind, permissive_error_kind): Take diagnostic
        context parameters.  Check flags in the context passed as a parameter.
        (diagnostic_build_prefix): Add context parameter.  Check
        show_column flag in context.
        (diagnostic_action_after_output): Check fatal_errors flag in context.
        (diagnostic_report_current_module): Check show_column flag in context.
        (default_diagnostic_starter): Update call to
        diagnostic_build_prefix.
        (diagnostic_report_diagnostic): Pass context to pedantic_warning_kind.
        (emit_diagnostic): Pass context to permissive_error_kind.
        (permerror): Pass context to permissive_error_kind.
        * diagnostic.h (struct diagnostic_context): Add show_column,
        pedantic_errors, permissive and fatal_errors fields.
        (diagnostic_build_prefix): Update prototype.
        * langhooks.c
        * toplev.c (process_options): Set flags in global_dc from
        flag_show_column, flag_pedantic_errors, flag_permissive,
        flag_fatal_errors.
        * tree-diagnostic.c (default_tree_diagnostic_starter): Update call
        to diagnostic_build_prefix.
        * Makefile.in (diagnostic.o): Update dependencies.

2010-05-24  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/ia32intrin.h (__crc32q): Define only if
        __SSE4_2__ is defined.

2010-05-24  Iain Sandoe  <iains@gcc.gnu.org>

        PR target/44132
        PR middle-end/43602
        * varasm.c (get_emutls_init_templ_addr): Copy DECL_PRESERVE_P,
        DECL_VISIBILITY_SPECIFIED.
        (emutls_decl): Set DECL_PRESERVE_P and copy
        DECL_VISIBILITY_SPECIFIED, DECL_RESTRICTED_P.
        (emutls_finalize_control_var): New callback.
        (emutls_finish): Finalize emutls control variables.
        * toplev.c (compile_file): Move the call to emutls_finish ()
        before varpool_assemble_pending_decls ().

2010-05-24  Daniel Gutson  <dgutson@codesourcery.com>

        * config/arm/lib1funcs.asm (__ARM_ARCH__): __ARM_ARCH_7EM__
        added to the preprocessor condition.

2010-05-24  Paul Brook  <paul@codesourcery.com>

        * gengtype-lex.l: Add HARD_REG_SET.
        * expr.c (expand_expr_real_1): Record writes to hard registers.
        * function.c (rtl_data): Add asm_clobbers.
        * ira.c (compute_regs_asm_clobbered): Use crtl->asm_clobbers.
        (ira_setup_eliminable_regset): Remove regs_asm_clobbered.
        Use crtl->asm_clobbers.

2010-05-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/makefile.texi (Makefile): Mention stages 'profile'
        and 'feedback' for profiledbootstrap.

2010-05-23  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/44245
        * config/i386/i386.c (def_builtin): Properly check
        OPTION_MASK_ISA_64BIT.

2010-05-23  Joseph Myers  <joseph@codesourcery.com>

        * c-decl.c (diagnose_mismatched_decls): Give error for duplicate
        typedefs with different but compatible types.  Allow duplicate
        typedefs with the same type except for pedantic non-C1X, but give
        warning for variably modified types.
        * c-typeck.c (tagged_types_tu_compatible_p,
        function_types_compatible_p, type_lists_compatible_p,
        comptypes_internal): Add parameter different_types_p; set
        *different_types_p for different but compatible types.  All
        callers changed.
        (comptypes_check_different_types): New.
        * c-tree.h (comptypes_check_different_types): Declare.

2010-05-23  Steven Bosscher  <steven@gcc.gnu.org>

        * regs.h: Do not include obstack.h, basic-block.h.  Include machmode.h.
        * jump.c: Include basic-block.h.
        * profile.c: Likewise.
        * tree-profile.c: Likewise.
        * coverage.c: Likewise.
        * basic-block.h (optimize_function_for_size_p): Move to function.h.
        (optimize_function_for_speed_p): Likewise.
        * function.h (optimize_function_for_size_p,
        optimize_function_for_speed_p): Moved here from basic-block.h.
        * Makefile.in: Update dependencies.

2010-05-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * lto-wrapper.c (run_gcc): Unset MAKEFLAGS and MFLAGS
        before calling make; allow override through $MAKE.
        * doc/invoke.texi (Optimize Options): Document override.

2010-05-23  Anatoly Sokolov  <aesok@post.ru>

        * config/rs6000/rs6000.c (rs6000_mode_dependent_address_p): New.
        (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
        (rs6000_mode_dependent_address_ptr): Make static.
        * config/rs6000/rs6000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
        * config/rs6000/rs6000-protos.h (rs6000_mode_dependent_address_ptr):
        Remove.

2010-05-23  Maarten Lankhorst  <mlankhorst@codeweavers.com>

        PR target/43869
        * config/i386/i386.c: Make sure that the correct regparm is passed.

2010-05-23  Steven Bosscher  <steven@gcc.gnu.org>

        * sbitmap.h (sbitmap_ptr, const_sbitmap_ptr): Move from here...
        * sbitmap.c: ...to here to internalize sbitmap element access.
        Do not include tm.h, rtl.h, flags.h, hard-reg-set.h, and obstack.h.
        Explain why basic-block.h is included.
        * function.h: Include tm.h for CUMULATIVE_ARGS.
        * Makefile.in: Update dependencies.

2010-05-22  Steven Bosscher  <steven@gcc.gnu.org>

        * coretypes.h (struct simple_bitmap_def, sbitmap, const_sbitmap):
        New core types.
        * sbitmap.h (struct sbitmap_def): Do not typedef here.
        * sbitmap.c: Include sbitmap.h.
        * basic-block.h: Do not include bitmap.h, sbitmap.h, partition.h,
        hard-reg-set.h.  Split everything related to regsets out from here...
        * regset.h: ...to here.  New file.
        * df.h: Include regset.h and sbitmap.h.
        * tree-flow.h: Likewise.
        * cfgloop.h: Likewise.
        * except.h: Do not include sbitmap.h.  Include hashtab.h.
        * cgraph.h: Include vec.h and function.h.
        * reload.h (struct insn_chain): Change types of live_throughout
        and dead_or_set from regset_head to bitmap_head.
        (compute_use_by_pseudos): Be defined also if regset.h is not included.
        * ira-int.h (struct ira_spilled_reg_stack_slot): Change type of
        spilled_regs from regset_head to bitmap_head to avoid dependency
        in regset.h.
        * sel-sched-ir.h: Include regset.h.
        * reload.c: Include df.h before reload.h.
        * caller-save.c: Likewise.
        * reload1.c: Likewise.
        * ira.c: Likewise.
        (mark_elimination): Update type of r to bitmap, consistent with
        DF_LR_IN.
        * dominance.c: Include bitmap.h.
        * modulo-sched.c: Include df.h.
        * cfganal.c: Include bitmap.h and sbitmap.h.
        * cfgbuild.c: Include sbitmap.h.
        * lcm.c: Include sbitmap.h.
        * gcse.c (alloc_gcse_mem): Allocate regset with ALLOC_REG_SET.
        * domwalk.c: Include sbitmap.h, exclude ggc.h.
        * cfgexpand.c: Inlcude bitmap.h and sbitmap.h.
        * cselib.c: Include bitmap.h.
        * tree-optimize.c: Include regset.h.
        * stmt.c: Include bitmap.h.
        * Makefile.in: Update dependencies.

2010-05-22  Jan Hubicka  <jh@suse.cz>

        * cgraph.h (struct varpool_node): Add same_comdat_group.
        * lto-cgrpah.c (lto_output_varpool_node): Output same_comdat_group
        pointer.
        (output_varpool): Update call of lto_output_varpool_node.
        (input_varpool): Read same_comdat_group pointer.
        (input_varpool_1): Fixup same_comdat_group pointer.
        * ipa.c (cgraph_remove_unreachable_nodes): WHen one of same comdat
        group is needed, all are.
        * varpool.c (varpool_remove_node): Remove node from same comdat group
        linklist too.
        (varpool_analyze_pending_decls): Walk same comdat groups.

2010-05-22  Steven Bosscher  <steven@gcc.gnu.org>

        * rtl.h (union rtunion_def): Remove rt_bit member.
        (XBITMAP, X0BITMAP, XCBITMAP): Remove.
        * print-rtl (print_rtx): Do not print the member.
        * gengtype.c (adjust_field_rtx_def): Do not handle it.
        * gengenrtl.c (type_from_format): Likewise.
        (accessor_from_format): Likewise.

2010-05-22  Joseph Myers  <joseph@codesourcery.com>

        * dbgcnt.c: Include toplev.h instead of errors.h.
        * ira-emit.c: Don't include errors.h.
        * ira.c: Include toplev.h instead of errors.h.
        * lto-compress.c: Include toplev.h instead of errors.h.
        * Makefile.in (lto-compress.o, lto-streamer-out.o, ira-emit.o,
        ira.o, dbgcnt.o): Update dependencies.

2010-05-22  Richard Guenther  <rguenther@suse.de>

        * gimple.c (gimple_types_compatible_p): Check type qualifications
        before merging pointer to complete and pointer to incomplete type.
        * lto-symtab.c (lto_symtab_resolve_symbols): For commons make sure
        we use our own resolution algorithm.  The gold linker plugin
        doesn't do the job we want it to do here.

2010-05-22  Anatoly Sokolov  <aesok@post.ru>

        * config/sparc/sparc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
        * config/sparc/sparc.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
        (sparc_mode_dependent_address_p): New function.

2010-05-21  Steven Bosscher  <steven@gcc.gnu.org>

        * Makefile.in: Fix c-pch.o and ggc-common.o dependencies on timevars.

        * timevar.c: Do not include any core headers.
        (timevar_print): De-i18n-ize.
        (print_time): Likewise.
        * timevar.h (timevar_push, timevar_pop): Make inline functions.

2010-05-21  Joseph Myers  <joseph@codesourcery.com>

        * diagnostic.c: Don't include tm.h, tree.h, tm_p.h, langhooks.h or
        langhooks-def.h.
        (diagnostic_initialize): Initialize x_data not last_function.
        (diagnostic_report_current_function): Move to tree-diagnostic.c.
        (default_diagnostic_starter): Call
        diagnostic_report_current_module not
        diagnostic_report_current_function.
        (diagnostic_report_diagnostic): Initialize x_data not
        abstract_origin.
        (verbatim): Likewise.
        * diagnostic.h (struct diagnostic_info): Change abstract_origin to
        x_data.
        (struct diagnostic_context): Change last_function to x_data.
        (diagnostic_auxiliary_data): Replace with
        diagnostic_context_auxiliary_data and
        diagnostic_info_auxiliary_data.
        (diagnostic_last_function_changed, diagnostic_set_last_function,
        diagnostic_report_current_function): Move to tree-diagnostic.h.
        (print_declaration, dump_generic_node, print_generic_stmt,
        print_generic_stmt_indented, print_generic_expr,
        print_generic_decl, debug_c_tree, dump_omp_clauses,
        print_call_name, debug_generic_expr, debug_generic_stmt,
        debug_tree_chain, default_tree_printer): Move to
        tree-pretty-print.h.
        (debug_gimple_stmt, debug_gimple_seq, print_gimple_seq,
        print_gimple_stmt, print_gimple_expr, dump_gimple_stmt): Move to
        gimple-pretty-print.h.
        * pretty-print.c: Don't include tree.h
        (pp_base_format): Don't handle %K here.
        (pp_base_tree_identifier): Move to tree-pretty-print.c.
        * pretty-print.h (text_info): Change abstract_origin to x_data.
        (pp_tree_identifier, pp_unsupported_tree,
        pp_base_tree_identifier): Move to tree-pretty-print.h.
        * gimple-pretty-print.h, tree-diagnostic.c, tree-diagnostic.h,
        tree-pretty-print.h: New files.
        * tree-pretty-print.c: Include tree-pretty-print.h.
        (percent_K_format): New.  Moved from pretty-print.c.
        (pp_base_tree_identifier): Move from pretty-print.c.
        * c-objc-common.c: Include tree-pretty-print.h.
        (c_tree_printer): Handle %K here.
        * langhooks.c: Include tree-diagnostic.h.
        (lhd_print_error_function): Use diagnostic_abstract_origin macro.
        * toplev.c: Include tree-diagnostic.h and tree-pretty-print.h.
        (default_tree_printer): Handle %K using percent_K_format.
        (general_init): Use default_tree_diagnostic_starter.
        * tree.c: Include tree-diagnostic.h and tree-pretty-print.h.
        (free_lang_data): Use default_tree_diagnostic_starter.
        * c-pretty-print.c: Include tree-pretty-print.h.
        * cfgexpand.c: Include tree-pretty-print.h and gimple-pretty-print.h.
        * cgraphunit.c: Include tree-pretty-print.h and gimple-pretty-print.h.
        * dwarf2out.c: Include tree-pretty-print.h.
        * except.c: Include tree-pretty-print.h.
        * gimple-pretty-print.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * gimplify.c: Include tree-pretty-print.h.
        * graphite-poly.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * ipa-cp.c: Include tree-pretty-print.h.
        * ipa-inline.c: Include gimple-pretty-print.h.
        * ipa-prop.c: Include tree-pretty-print.h and gimple-pretty-print.h.
        * ipa-pure-const.c: Include gimple-pretty-print.h.
        * ipa-struct-reorg.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * ipa-type-escape.c: Include tree-pretty-print.h.
        * print-rtl.c: Include tree-pretty-print.h.
        * print-tree.c: Include gimple-pretty-print.h.
        * sese.c: Include tree-pretty-print.h.
        * tree-affine.c: Include tree-pretty-print.h.
        * tree-browser.c: Include tree-pretty-print.h.
        * tree-call-cdce.c: Include gimple-pretty-print.h.
        * tree-cfg.c: Include tree-pretty-print.h and gimple-pretty-print.h.
        * tree-chrec.c: Include tree-pretty-print.h.
        * tree-data-ref.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-dfa.c: Include tree-pretty-print.h.
        * tree-if-conv.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-inline.c: Include tree-pretty-print.h.
        * tree-into-ssa.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-nrv.c: Include tree-pretty-print.h.
        * tree-object-size.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-outof-ssa.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-parloops.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-predcom.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-scalar-evolution.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-sra.c: Include tree-pretty-print.h.
        * tree-ssa-address.c: Include tree-pretty-print.h.
        * tree-ssa-alias.c: Include tree-pretty-print.h.
        * tree-ssa-ccp.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-ssa-coalesce.c: Include tree-pretty-print.h.
        * tree-ssa-copy.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-ssa-copyrename.c: Include tree-pretty-print.h.
        * tree-ssa-dce.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-ssa-dom.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-ssa-dse.c: Include gimple-pretty-print.h.
        * tree-ssa-forwprop.c: Include tree-pretty-print.h.
        * tree-ssa-ifcombine.c: Include tree-pretty-print.h.
        * tree-ssa-live.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-ssa-loop-im.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-ssa-loop-ivcanon.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-ssa-loop-ivopts.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-ssa-loop-niter.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-ssa-loop-prefetch.c: Include tree-pretty-print.h.
        * tree-ssa-math-opts.c: Include gimple-pretty-print.h.
        * tree-ssa-operands.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-ssa-phiprop.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-ssa-pre.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-ssa-propagate.c: Include gimple-pretty-print.h.
        * tree-ssa-reassoc.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-ssa-sccvn.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-ssa-sink.c: Include gimple-pretty-print.h.
        * tree-ssa-ter.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-ssa-uninit.c: Include gimple-pretty-print.h.
        * tree-ssa.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-stdarg.c: Include gimple-pretty-print.h.
        * tree-switch-conversion.c: Include gimple-pretty-print.h.
        * tree-tailcall.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-vect-data-refs.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-vect-loop-manip.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-vect-loop.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-vect-patterns.c: Include gimple-pretty-print.h.
        * tree-vect-slp.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-vect-stmts.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-vectorizer.c: Include tree-pretty-print.h.
        * tree-vrp.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * value-prof.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * var-tracking.c: Include tree-pretty-print.h.
        * Makefile.in (OBJS-common): Add tree-diagnostic.o.
        (tree-diagnostic.o): New dependencies.
        (c-objc-common.o, c-pretty-print.o, langhooks.o, tree.o,
        tree-inline.o, print-tree.o, stor-layout.o, tree-ssa-uninit.o,
        tree-ssa.o, tree-into-ssa.o, tree-ssa-ter.o, tree-ssa-coalesce.o,
        tree-outof-ssa.o, tree-ssa-forwprop.o, tree-ssa-phiprop.o,
        tree-ssa-ifcombine.o, tree-nrv.o, tree-ssa-copy.o,
        tree-ssa-propagate.o, tree-ssa-dom.o, tree-ssa-uncprop.o,
        tree-ssa-live.o, tree-ssa-copyrename.o, tree-ssa-pre.o,
        tree-ssa-sccvn.o, tree-vrp.o, tree-cfg.o, tree-tailcall.o,
        tree-ssa-sink.o, tree-if-conv.o, tree-dfa.o, tree-ssa-operands.o,
        tree-ssa-address.o, tree-ssa-loop-niter.o,
        tree-ssa-loop-ivcanon.o, tree-ssa-loop-prefetch.o, tree-predcom.o,
        tree-ssa-loop-ivopts.o, tree-affine.o, tree-ssa-loop-im.o,
        tree-ssa-math-opts.o, tree-ssa-alias.o, tree-ssa-reassoc.o,
        gimplify.o, tree-browser.o, tree-chrec.o, tree-scalar-evolution.o,
        tree-data-ref.o, sese.o, graphite-poly.o, tree-vect-loop.o,
        tree-vect-loop-manip.o, tree-vect-patterns.o, tree-vect-slp.o,
        tree-vect-stmts.o, tree-vect-data-refs.o, tree-vectorizer.o,
        tree-parloops.o, tree-stdarg.o, tree-object-size.o,
        gimple-pretty-print.o, tree-pretty-print.o, diagnostic.o,
        toplev.o, print-rtl.o, except.o, dwarf2out.o, cgraphunit.o,
        ipa-prop.o, ipa-cp.o, ipa-inline.o, ipa-pure-const.o,
        ipa-type-escape.o, ipa-struct-reorg.o, tree-ssa-dce.o,
        tree-call-cdce.o, tree-ssa-ccp.o, tree-sra.o,
        tree-switch-conversion.o, var-tracking.o, value-prof.o,
        cfgexpand.o, pretty-print.o): Update dependencies.

2010-05-22  Andreas Tobler  <andreast@fgznet.ch>

        * tree-ssa-structalias.c: Remove tm_p.h from include.

2010-05-21  Jeff Law  <law@redhat.com>

        * ira-costs.c (ira_tune_allocno_costs_and_cover_classes): Fix typo.

2010-05-21  Jason Merrill  <jason@redhat.com>

        * tree-eh.c (cleanup_is_dead_in): New.
        (lower_try_finally): Don't generate a dead cleanup region.
        (lower_cleanup): Likewise.

2010-05-21  Jakub Jelinek  <jakub@redhat.com>

        PR debug/44223
        * haifa-sched.c (schedule_insn): When freeing INSN_REG_USE_LIST,
        unchain each use from the cyclic next_regno_use chain first.

2010-05-21  Steven Bosscher  <steven@gcc.gnu.org>

        * real: Do not include gmp.h, mpfr.h, and mpc.h.
        (REAL_VALUE_NEGATE, REAL_VALUE_ABS, real_arithmetic2): Remove.
        (real_value_negate, real_value_abs): New prototypes.
        (do_mpc_arg2, real_from_mpfr, mpfr_from_real): Move from here...
        * realmpfr.h (do_mpc_arg2, real_from_mpfr, mpfr_from_real): ...to here,
        new include file for interface between MPFR and REAL_VALUE_TYPE.
        * real.c: Include realmpfr.h.
        (real_arithmetic2): Remove legacy function.
        (real_value_negate): New.
        (real_value_abs): New.
        (mfpr_from_real, real_from_mpfr): Move from here...
        * realmpfr.c (mpfr_from_real, real_from_mpfr): ...to here, new file.
        * builtins.c: Include realmpfr.h.
        * fold-const.c: Include realmpfr.h.
        (fold_comparison): Use real_value_negate instead of REAL_VALUE_NEGATE.
        (fold_negate_const): Likewise.
        (fold_abs_const): Use real_value_abs instead of REAL_VALUE_ABS.
        * toplev.c: Include realmpfr.h.
        * simplify-rtx.c (simplify_const_unary_operation): Use real_value_abs
        and real_value_negate.
        * fixed-value.c (check_real_for_fixed_mode): Likewise.
        * config/arm/arm.c (neg_const_double_rtx_ok_for_fpa): Likewise.
        (vfp3_const_double_index): Likewise.
        (arm_print_operand): Likewise.
        * Makefile.in: Update dependencies.

2010-05-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.c (override_options): Increase the default
        of max-completely-peel-times.

2010-05-21  Julian Brown  <julian@codesourcery.com>
            Mark Mitchell  <mark@codesourcery.com>

        * config/arm/arm.c (arm_function_ok_for_sibcall): Only forbid
        sibling calls for Thumb-1.
        * config/arm/arm.h (USE_RETURN_INSN): Enable for Thumb-2.
        * config/arm/arm.md (*call_symbol, *call_value_symbol): Use for
        Thumb-2.
        (*call_insn, *call_value_insn): Don't use for Thumb-2.
        (sibcall, sibcall_value, *sibcall_insn, *sibcall_value_insn): Use
        for Thumb-2.
        (return): New expander.
        (*arm_return): New name for ARM return insn.
        * config/arm/thumb2.md (*thumb2_return): New insn pattern.

2010-05-19  Joel Sherrill <joel.sherrill@oarcorp.com>

        * config.gcc (sparc64-*-rtems*): New target.

2010-05-21  Nathan Froyd  <froydnj@codesourcery.com>

        * tree.c (build_function_decl_skip_args): Fix grammar.
        (build_function_type_list_1): Fix typos, adjust formatting.

2010-05-21  Steven Bosscher  <steven@gcc.gnu.org>

        * tree.h: Include real.h and fixed-value.h as basic datatypes.
        * dfp.c, convert.c, reload1.c, reginfo.c, tree-flow.h,
        tree-ssa-threadedge.c, tree-ssanames.c, tree-loop-linear.c,
        tree-into-ssa.c, tree-vect-generic.c, tree-ssa-structalias.c,
        tree-ssa-loop-im.c, tree-dump.c, tree-complex.c, tree-ssa-uninit.c,
        genrecog.c, tree-ssa-threadupdate.c, tree-ssa-loop-niter.c,
        tree-pretty-print.c, tree-loop-distribution.c,
        tree-ssa-loop-unswitch.c, c-lex.c, optabs.c, postreload-gcse.c,
        tree-ssa-loop-manip.c, postreload.c, tree-ssa-loop-ch.c,
        tree-tailcall.c, tree.c, reload.c, tree-scalar-evolution.c, rtlanal.c,
        tree-phinodes.c, builtins.c, final.c, genoutput.c, fold-const.c,
        tree-ssa-dse.c, genautomata.c, tree-ssa-uncprop.c, toplev.c,
        tree-chrec.c, genemit.c, c-cppbuiltin.c, tree-ssa-sccvn.c,
        tree-ssa-ccp.c, tree-ssa-loop-ivopts.c, mode-switching.c,
        tree-call-cdce.c, cse.c, genpeep.c, tree-ssa-math-opts.c,
        tree-ssa-dom.c, tree-nrv.c, tree-ssa-propagate.c, tree-ssa-alias.c,
        tree-ssa-sink.c, jump.c, ifcvt.c, dwarf2out.c, expr.c, genattrtab.c,
        genconditions.c, tree-ssa-loop-ivcanon.c, tree-ssa-loop.c,
        tree-parloops.c, recog.c, tree-ssa-address.c, lcm.c, tree-eh.c,
        gimple-pretty-print.c, c-pretty-print.c, print-rtl.c, gcse.c,
        tree-if-conv.c, tree-data-ref.c, tree-affine.c, gimplify.c,
        tree-ssa-phiopt.c, implicit-zee.c, expmed.c, tree-dfa.c, emit-rtl.c,
        store-motion.c, cselib.c, tree-cfgcleanup.c, simplify-rtx.c,
        tree-ssa-pre.c, genpreds.c, tree-mudflap.c, print-tree.c,
        tree-ssa-copy.c, tree-ssa-forwprop.c, tree-ssa-dce.c, varasm.c,
        tree-nested.c, tree-ssa.c, tree-ssa-loop-prefetch.c, rtl.c,
        tree-inline.c, integrate.c, tree-optimize.c, tree-ssa-phiprop.c,
        fixed-value.c, combine.c, tree-profile.c, c-common.c, sched-vis.c,
        tree-cfg.c, passes.c, tree-ssa-reassoc.c, config/alpha/alpha.c,
        config/frv/frv.c, config/s390/s390.c, config/m32c/m32c.c,
        config/spu/spu.c, config/sparc/sparc.c, config/mep/mep.c,
        config/m32r/m32r.c, config/rx/rx.c, config/i386/i386.c,
        config/sh/sh.c, config/pdp11/pdp11.c, config/avr/avr.c,
        config/crx/crx.c, config/xtensa/xtensa.c, config/stormy16/stormy16.c,
        config/fr30/fr30.c, config/lm32/lm32.c, config/moxie/moxie.c,
        config/m68hc11/m68hc11.c, config/cris/cris.c, config/iq2000/iq2000.c,
        config/mn10300/mn10300.c, config/ia64/ia64.c, config/m68k/m68k.c,
        config/rs6000/rs6000.c, config/picochip/picochip.c, config/darwin.c,
        config/arc/arc.c, config/mcore/mcore.c, config/score/score3.c,
        config/score/score7.c, config/score/score.c, config/arm/arm.c,
        config/pa/pa.c, config/mips/mips.c, config/vax/vax.c,
        config/h8300/h8300.c, config/v850/v850.c, config/mmix/mmix.c,
        config/bfin/bfin.c: Clean up redundant includes.
        * Makefile.in: Update accordingly.

2010-05-21  Nathan Froyd  <froydnj@codesourcery.com>

        PR middle-end/44204
        * builtins.c (fold_call_stmt): Pass &error_mark_node if the call
        statement has no arguments.

2010-05-21  Kai Tietz  <kai.tietz@onevision.com>

        PR/44139
        * varasm.c (emutls_decl): Merge attributes to new decl.

2010-05-21  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/44101
        * gimplify.c (gimplify_init_constructor): Build a VIEW_CONVERT_EXPR
        around the uniquized constructor if its type requires a conversion.

2010-05-21  Jakub Jelinek  <jakub@redhat.com>

        PR debug/44205
        * tree-cfgcleanup.c (tree_forwarder_block_p): Return false if
        at -O0 goto_locus of any of the incoming edges differs from
        goto_locus of outgoing edge, or gimple_location of any of the
        labels differs.

2009-09-14  Vladimir Makarov <vmakarov@redhat.com>

        * ira.c (ira_non_ordered_class_hard_regs): Define.
        (setup_class_hard_regs): Initialize ira_non_ordered_class_hard_regs.
        * ira-int.h (ira_non_ordered_class_hard_regs): Declare.
        * ira-costs.c (ira_tune_allocno_costs_and_cover_classes): Increase
        cost of unaligned hard regs when allocating multi-reg pseudos.

2010-05-20  Richard Sandiford  <rdsandiford@googlemail.com>

        * config.gcc (mips*-sde-elf*): Don't use sdemtk.opt.
        * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_no_float
        for TARGET_NO_FLOAT.
        * config/mips/mips.c (mips_file_start): Expand conditional expression
        into "if" statements.  Use .gnu_attribute 4,0 for TARGET_NO_FLOAT.
        (mips_override_options): Move -mno-float override -msoft-float and
        -mhard-float.
        * config/mips/mips.opt (mno-float): Move from sdemtk.opt, but add
        Condition(TARGET_SUPPORTS_NO_FLOAT).
        * config/mips/sdemtk.h (TARGET_OS_CPP_BUILTINS): Don't set
        __mips_no_float here.
        (SUBTARGET_OVERRIDE_OPTIONS): Delete.
        (TARGET_SUPPORTS_NO_FLOAT): Define.
        * config/mips/sdemtk.opt: Delete.

2010-05-20  Segher Boessenkool  <segher@kernel.crashing.org>

        * ipa-prop.c (compute_complex_ancestor_jump_func): Bail out if !cond.

2010-05-20  Uros Bizjak  <ubizjak@gmail.com>

        PR target/43733
        * configure.ac (gcc_cv_as_ix86_sahf): Switch to 64bit mode.
        * configure: Regenerate.
        * config.in: Regenerate.
        * config/i386/i386.md (x86_sahf_1): Conditionally output 0x9e
        instead of sahf only for 64bit targets.

2010-05-20  Jakub Jelinek  <jakub@redhat.com>

        PR debug/44178
        * haifa-sched.c (initiate_bb_reg_pressure_info): Do not call
        setup_ref_regs for DEBUG_INSNs.

2010-05-20  Jan Hubicka  <jh@suse.cz>

        PR middle-end/44197
        * varpool.c (varpool_remove_node): Handle in-varpool aliases.

2010-05-20  Kenneth Zadeck  <zadeck@naturalbridge.com>

        PR bootstrap/43870
        * df-scan.c (df_ref_compare): Stabilize sort.

2010-05-20  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (new_loc_descr_op_bit_piece): Add offset
        argument.  Don't use DW_OP_piece if offset is non-zero,
        put offset into second DW_OP_bit_piece argument.
        (dw_sra_loc_expr): Adjust callers.  For memory expressions
        compute offset.

2010-05-20  Hans-Peter Nilsson  <hp@axis.com>

        PR target/44202
        * config/cris/cris.md ("*addsi3_v32"): Correct "cc"
        settings for 16-bit-constant "addo" alternative.

2010-05-19  James E. Wilson  <wilson@codesourcery.com>

        * config/mips/mips-dsp.md (add<DSPV:mode>3,
        mips_add<DSP:dspfmt1>_s_<DSP:dspfmt2>): Add ISA_HAS_DSP condition.

        PR target/43764
        * mips.c (mips_call_expr_from_insn): New arg second_call.  Set it.
        (mips_annotate_pic_calls): Pass new arg to mips_call_expr_from_insn.
        Use it.

2010-05-19  Joseph Myers  <joseph@codesourcery.com>

        * diagnostic.c (FLOAT, FFS): Don't undefine.
        * passes.c, pretty-print.c, rtl-error.c, toplev.c: Likewise.
        * cse.c, regmove.c: Remove comments about stdio.h and rtl.h
        include ordering.

2010-05-19  Richard Sandiford  <rdsandiford@googlemail.com>

        * combine.c (propagate_for_debug): Call make_compound_operation
        on the source value.
        (try_combine): When implementing a split chosen by find_split_point,
        either copy i2src or set it to null.  Assert that i2src is not null
        before substituting into CALL_INSN_FUNCTION_USAGE.

2010-05-19  Anatoly Sokolov  <aesok@post.ru>

        * double-int.h (double_int_ior): New function.
        * tree.h (build_int_cst_wide_type): Remove.
        * tree.c (build_int_cst_wide_type): Remove.
        * fold-const.c (native_interpret_int): Use double_int_to_tree instead
        of build_int_cst_wide_type.
        * stor-layout.c (set_sizetype): (Ditto.).
        * dojump.c (do_jump): Use build_int_cstu instead of
        build_int_cst_wide_type.

2010-05-19  Eric Botcazou  <ebotcazou@adacore.com>

        * langhooks.h (struct lang_hooks): Add new field deep_unsharing.
        * langhooks-def.h (LANG_HOOKS_DEEP_UNSHARING): New macro.
        (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_DEEP_UNSHARING.
        * gimplify.c (mostly_copy_tree_r): Copy trees under SAVE_EXPR and
        TARGET_EXPR nodes, but only once, if instructed to do so.  Do not
        propagate the 'data' argument to copy_tree_r.
        (copy_if_shared_r): Remove bogus ATTRIBUTE_UNUSED marker.
        Propagate 'data' argument to walk_tree.
        (copy_if_shared): New function.
        (unmark_visited_r): Remove bogus ATTRIBUTE_UNUSED marker.
        (unmark_visited): New function.
        (unshare_body): Call copy_if_shared instead of doing it manually.
        (unvisit_body): Call unmark_visited instead of doing it manually.

2010-05-19  Nathan Froyd  <froydnj@codesourcery.com>

        * hooks.h (hook_tree_tree_tree_bool_null): Rename to...
        (hook_tree_tree_int_treep_bool_null): ...this.  Update signature.
        * hooks.c: Likewise.
        * target-def.h (TARGET_FOLD_BUILTIN): Define to
        hook_tree_tree_int_treep_bool_null.
        * target.h (struct gcc_target): Update signature of fold_builtin
        field.
        * doc/tm.texi (TARGET_FOLD_BUILTIN): Update description and signature.
        * builtins.c (fold_call_expr): Pass call_expr_nargs and CALL_EXPR_ARGP
        instead of the call expression.
        (fold_builtin_call_array): Pass n and argarray directly.
        (fold_call_stmt): Pass nargs and gimple_call_arg_ptr instead of
        consing a list.
        * config/alpha/alpha.c (alpha_fold_builtin): Update signature.  Lift
        MAX_ARGS check out of the loop.  Delete declaration of `arity', declare
        `i' and use it in place of `arity'.
        * config/sparc/sparc.c (sparc_fold_builtin): Update signature.
        Dereference `args' directly.
        * config/xtensa/xtensa (xtensa_fold_builtin): Likewise.

2010-05-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * doc/sourcebuild.texi (Effective-Target Keywords): Document
        3dnow, sse3, sse2.
        (Directives): Document optional dg-require-effective-target
        selector.

2010-05-19  Richard Guenther  <rguenther@suse.de>

        PR lto/44196
        * tree.c (find_decls_types_r): Walk BLOCKs and its vars.

2010-05-19  Richard Guenther  <rguenther@suse.de>

        * doc/invoke.texi (-fwhopr): Document new optional jobs argument.
        * common.opt (fwhopr=): New.
        * opts.c (common_handle_option): Handle OPT_fwhopr.
        * gcc.c (LINK_COMMAND_SPEC): Pass fwhopr*.
        * collect2.c (main): Match -fwhopr*.
        * lto-wrapper.c (run_gcc): Handle jobs argument of -fwhopr.
        Execute ltrans stage in parallel when jobs is bigger than 1.

2010-05-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32 to
        pentiumpro on Solaris 8/x86 with Sun as.
        * configure.ac (gcc_cv_as_hidden): Check for Solaris 9/x86 as
        hidden alias bug.
        (gcc_cv_as_ix86_quad): Check for .quad directive.
        * configure: Regenerate.
        * config.in: Regenerate.
        * config/i386/sol2.h (ASM_QUAD): Change guard to !HAVE_AS_IX86_QUAD.

2010-05-19  Martin Jambor  <mjambor@suse.cz>

        * ipa-prop.c (ipa_print_node_jump_functions): Print jump functions
        also for indirect edges.  Actual printing moved...
        (ipa_print_node_jump_functions_for_edge): ...here.
        (ipa_compute_jump_functions): Renamed to
        ipa_compute_jump_functions_for_edge and made static.
        (ipa_compute_jump_functions): New function.
        (make_edge_direct_to_target): Check if the number of arguments on
        the newly direct edge is the same as the number of parametrs of
        the callee.
        * ipa-cp.c (ipcp_init_stage): Most functionality moved to new
        ipa_compute_jump_functions.  Call ipa_analyze_params_uses.
        * ipa-inline.c (inline_indirect_intraprocedural_analysis): Call
        analysis functions unconditionally, call the new
        ipa_analyze_params_uses on the node instead of every edge.

2010-05-19  Christian Borntraeger  <borntraeger@de.ibm.com>

        * tree-ssa-loop-prefetch.c (mem_ref_group, ar_data): Change step
        to tree.
        (dump_mem_ref): Adopt debug code to handle a tree as step.  This
        also checks for a constant int vs.  non-constant but
        loop-invariant steps.
        (find_or_create_group): Change the sort algorithm to only consider
        steps that are constant ints.
        (idx_analyze_ref): Adopt code to handle a tree instead of a
        HOST_WIDE_INT for step.
        (gather_memory_references_ref): Handle tree instead of int and be
        prepared to see a NULL_TREE.
        (prune_ref_by_self_reuse, prune_ref_by_group_reuse): Do not prune
        prefetches if the step cannot be calculated at compile time.
        (issue_prefetch_ref): Issue prefetches for non-constant but
        loop-invariant steps.

2010-05-18  Nathan Froyd  <froydnj@codesourcery.com>

        Revert:
        2010-05-18  Nathan Froyd  <froydnj@codesourcery.com>

        * tree.h (build_call_list): Remove.
        * tree.c (build_call_list): Remove.

2010-05-18  Nathan Froyd  <froydnj@codesourcery.com>

        * tree.h (build_call_list): Remove.
        * tree.c (build_call_list): Remove.

2010-05-18  Jan Hubicka  <jh@suse.cz>

        * ipa-reference.c (propagate): Walk all nodes in the cleanup stage.

2010-05-18  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/43332
        * haifa-sched.c (setup_insn_max_reg_pressure): Check barrier.

2010-05-18  Anatoly Sokolov  <aesok@post.ru>

        * tree.h (build_int_cstu): Implement as static inline.
        * tree.c (build_int_cstu): Remove function.
        (double_int_to_tree, double_int_fits_to_tree_p): Handle size types as
        sign extended.

2010-05-18  Richard Guenther  <rguenther@suse.de>

        PR lto/44143
        * lto-wrapper.c (verbose): New variable.  Initialize from -v.
        (debug): Initialize from -save-temps.
        (collect_execute): Print command-line when verbose.
        (run_gcc): Always use COLLECT_GCC_OPTIONS.  Use fork_execute
        for ltrans invocation.  Produce -dumpbase flag again.
        (process_args): Remove.
        (main): Simplify.
        * collect2.c (maybe_run_lto_and_relink): Only pass object
        files to lto-wrapper.
        * gcc.c (LINK_COMMAND_SPEC): Likewise.

2010-05-18  Jan Hubicka  <jh@suse.cz>

        * opts.c (decode_options): Do not disable whopr at ipa_cp.
        * ipa-prop.c (ipa_detect_param_modifications): Walk PHI nodes too.

2010-05-18  Steven Bosscher  <steven@gcc.gnu.org>

        PR lto/44184
        * lto-streamer-out.c (output_gimple_stmt): Output number of labels
        in a GIMPLE_ASM.
        * lto-streamer-in.c (input_gimple_stmt): Read number of labels
        in a GIMPLE_ASM.

2010-05-18  Jakub Jelinek  <jakub@redhat.com>

        PR debug/41371
        * var-tracking.c (find_loc_in_1pdv): Add a few checks from
        rtx_equal_p inline.

2010-05-18  Steven Bosscher  <steven@gcc.gnu.org>

        * config.gcc (powerpc-*-darwin*, powerpc64-*-darwin*): Add
        lto-macho as lto_binary_reader.

        * darwin.c (darwin_asm_named_section): Do not add assembler comment
        after .section directive; just print it before the directive instead.

2010-05-17  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_create_virtual_clone): Only check
        versionable_function_p when not in wpa and checking is enabled.
        * cgraphunit.c (cgraph_materialize_all_clones): Stabilize after
        there are no more functions to materialize.

2010-05-17  Jan Hubicka  <jh@suse.cz>

        * cgraph.h (struct ipa_replace_map): Add parm_num parameter.
        * lto-cgraph.c (output_cgraph_opt_summary, input_cgraph_opt_summary):
        New functions.
        (output_cgraph): Call output_cgraph_opt_summary.
        (input_cgrpah): Call input_cgraph_opt_summary.
        (output_cgraph_opt_summary_p, output_node_opt_summary,
        input_node_opt_summary, input_cgraph_opt_section): New functions.
        * lto-section-in.c (lto_section_name): Add cgraphopt.
        * tree-inline.c (tree_function_versioning): Handle parm_num.
        * lto-streamer.c (lto_get_section_name): Handle cgraphopt.
        * lto-streamer.h (lto_section_type): Add LTO_section_cgraph_opt_sum.

2010-05-17  Changpeng Fang  <changpeng.fang@amd.com>

        * doc/invoke.texi: Update documentation for min-insn-to-prefetch-ratio.
        * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Also apply
        the insn to prefetch ratio heuristic to loops with known trip count.

2010-05-17  Changpeng Fang  <changpeng.fang@amd.com>

        * tree-ssa-loop-prefetch.c (PREFETCH_MOD_TO_UNROLL_FACTOR_RATIO): New.
        (schedule_prefetches): Do not generate a prefetch if the unroll factor
        is far from what is required by the prefetch.

2010-05-17  Jan Hubicka  <jh@suse.cz>

        * ipa-cp.c (ipcp_update_callgraph): Use ipa_is_param_used.
        (ipcp_estimate_growth): Likewise.
        (ipcp_const_param_count): Likewise.
        (ipcp_insert_stage): Likewise.
        * ipa-prop.c (visit_load_for_mod_analysis): New function.
        (visit_store_addr_for_mod_analysis): Set used flag.
        (ipa_detect_param_modifications): Set used flag for SSE params;
        update use of walk_stmt_load_store_addr_ops.
        (ipa_print_node_params): Print used flag.
        (ipa_write_node_info): Stream used flag.
        (ipa_read_node_info): Likewise.
        * ipa-prop.h (struct ipa_param_descriptor): Add used field.
        (ipa_is_param_used): New function.
        (lto_ipa_fixup_call_notes): Remove unused declaration.

2010-05-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR target/44074
        * configure.ac (HAVE_AS_IX86_REP_LOCK_PREFIX): New test.
        * configure: Regenerate.
        * config.in: Regenerate.
        * config/i386/i386.c (print_operand) <case ;>: Also print ";" if
        !HAVE_AS_IX86_REP_LOCK_PREFIX.
        Don't emit whitespace.
        * config/i386/i386.md (*rep_movdi_rex64): Use {%;} after rep.
        (*rep_movsi): Likewise.
        (*rep_movsi_rex64): Likewise.
        (*rep_movqi): Likewise.
        (*rep_movqi_rex64): Likewise.
        (*rep_stosdi_rex64): Likewise.
        (*rep_stossi): Likewise.
        (*rep_stossi_rex64): Likewise.
        (*rep_stosqi): Likewise.
        (*rep_stosqi_rex64): Likewise.
        (*cmpstrnqi_nz_1): Use {%;} after repz.
        (*cmpstrnqi_nz_rex_1): Likewise.
        (*cmpstrnqi_1): Likewise.
        (*cmpstrnqi_rex_1): Likewise.
        (*strlenqi_1): Use {%;} after repnz.
        (*strlenqi_rex_1): Likewise.
        * config/i386/sync.md (memory_barrier_nosse): Replace {%;| } by {%;} .
        (*sync_compare_and_swap<mode>): Likewise.
        (sync_double_compare_and_swap<mode>): Likewise.
        (*sync_double_compare_and_swapdi_pic): Likewise.
        (sync_old_add<mode>): Likewise.
        (sync_add<mode>): Likewise.
        (sync_sub<mode>): Likewise.
        (sync_<code><mode>): Likewise.

2010-05-17  Martin Jambor  <mjambor@suse.cz>

        * cgraph.h (cgraph_indirect_call_info): New fields anc_offset,
        otr_token and polymorphic.
        * cgraph.c (cgraph_create_indirect_edge): Inilialize the above fields.
        (cgraph_clone_edge): Copy the above fields.
        * tree.c (get_binfo_at_offset): New function.
        * tree.h (get_binfo_at_offset): Declare.
        * ipa-prop.h (enum jump_func_type): Added known_type jump function
        type, reordered items, updated comments.
        (union jump_func_value): Added base_type field, reordered fields.
        (enum ipa_lattice_type): Moved down in the file.
        (struct ipa_param_descriptor): New field polymorphic.
        (ipa_is_param_polymorphic): New function.
        * ipa-prop.c: Include gimple.h and gimple-fold.h.
        (ipa_print_node_jump_functions): Print known type jump functions.
        (compute_complex_pass_through): Renamed to...
        (compute_complex_assign_jump_func): this.
        (compute_complex_ancestor_jump_func): New function.
        (compute_known_type_jump_func): Likewise.
        (compute_scalar_jump_functions): Create known type and complex ancestor
        jump functions.
        (ipa_note_param_call): New parameter polymorphic, set the corresponding
        flag in the call note accordingly.
        (ipa_analyze_call_uses): Renamed to...
        (ipa_analyze_indirect_call_uses): this.  New parameter target, define
        variable var only in the block where it is used.
        (ipa_analyze_virtual_call_uses): New function.
        (ipa_analyze_call_uses): Likewise.
        (combine_known_type_and_ancestor_jfs): Likewise.
        (update_jump_functions_after_inlining): Implemented handling of a
        number of new jump function types combination.
        (print_edge_addition_message): Removed.
        (make_edge_direct_to_target): New function.
        (try_make_edge_direct_simple_call): Likewise.
        (try_make_edge_direct_virtual_call): Likewise.
        (update_call_notes_after_inlining): Renamed to...
        (update_indirect_edges_after_inlining): this.  Moved edge creation for
        indirect calls to try_make_edge_direct_simple_call, also calls
        try_make_edge_direct_virtual_call for virtual calls.
        (ipa_print_node_params): Changed the header message.
        (ipa_write_jump_function): Stream also known type jump functions.
        (ipa_read_jump_function): Likewise.
        (ipa_write_indirect_edge_info): Stream new fields in
        cgraph_indirect_call_info.
        (ipa_read_indirect_edge_info): Likewise.
        * Makefile.in (ipa-prop.o): Add dependency to GIMPLE_H and
        GIMPLE_FOLD_H.

2010-05-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/i386/sol2.h (TARGET_SUN_TLS): Remove duplicate definition.

2010-05-17  Nathan Froyd  <froydnj@codesourcery.com>

        * tree.h (CALL_EXPR_ARGS): Delete.
        (call_expr_arglist): Delete.
        * tree.c (call_expr_arglist): Delete.
        * builtins.c (fold_call_expr): Pass the whole CALL_EXPR to
        targetm.fold_builtin.
        * config/alpha/alpha.c (alpha_fold_builtin): Rename arglist parameter.
        Rewrite iteration to work on call_expr_nargs rather than TREE_CHAIN.
        * config/picochip/picochip.c (picochip_expand_builtin_2op): Rename
        arglist parameter.  Use CALL_EXPR_ARG.
        (picochip_expand_builtin_3op): Likewise.
        (picochip_expand_builtin_2opvoid): Likewise.
        (picochip_expand_array_get): Likewise.
        (picochip_expand_array_put): Likewise.
        (picochip_expand_array_testport): Likewise.
        (picochip_expand_builtin): Don't call CALL_EXPR_ARGS.  Pass exp
        rather than arglist.
        * config/rx/rx.c (rx_expand_builtin): Call call_expr_nargs instead of
        CALL_EXPR_ARGS.
        * config/sparc/sparc.c (sparc_fold_builtin): Use CALL_EXPR_ARG rather
        than TREE_VALUE and TREE_CHAIN.
        * config/xtensa/xtensa.c (xtensa_fold_builtin): Likewise.
        * doc/tm.texi (TARGET_FOLD_BUILTIN): Pass CALL_EXPR tree instead of
        the arglist.

2010-05-17  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/42347
        * cfglayout.c (fixup_reorder_chain): Allow returnjump_p
        to have no fallthru edge.

        PR middle-end/44102
        * cfgcleanup.c (try_optimize_cfg): When removing trivially empty
        bb with no successors, move footer whenever in IR_RTL_CFGLAYOUT
        mode, not just when CLEANUP_CFGLAYOUT, and when in IR_RTL_CFGRTL
        add BARRIER after previous bb if needed.

2010-05-17  Nathan Froyd  <froydnj@codesourcery.com>

        * tree.c (build_function_type_list_1): Remove bogus assert condition.

2010-05-17  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Delete
        unnecessary prototype.  Replace copy_r12 and copy_r11 flag params
        with copy_reg rtx param.
        (rs6000_emit_prologue): Update rs6000_emit_allocate_stack calls.
        Correct cases where code for ABI_V4 did not initialise the reg
        used to access frame.  Also leave frame_reg_rtx as sp for large
        frames that save no regs.

2010-05-17  Martin Jambor  <mjambor@suse.cz>

        PR middle-end/44133
        * tree-sra.c (create_access_replacement): New parameter rename, mark
        the replaement for renaming only when it is true.
        (get_access_replacement): Pass true in the rename parameter of
        create_access_replacement.
        (get_unrenamed_access_replacement): New function.
        (replace_uses_with_default_def_ssa_name): New parameter racc, get the
        replacement declaration from it.

2010-05-17  Bernd Schmidt  <bernds@codesourcery.com>

        * function.c (try_fit_stack_local, add_frame_space): New static
        functions.
        (assign_stack_local_1): Use them.  Look for opportunities to use
        space previously wasted on alignment.
        * function.h (struct frame_space): New.
        (struct rtl_data): Add FRAME_SPACE_LIST member.
        * reload1.c (something_was_spilled): New static variable.
        (alter_reg): Set it.
        (reload): Test it in addition to testing if the frame size changed.

2010-05-17  Christian Borntraeger  <borntraeger@de.ibm.com>

        * config/s390/s390.c: Define sane prefetch settings and activate
        flag_prefetch_loop_arrays on -O3.
        * config/s390/s390.h: Declare that read can use write prefetch.

2010-05-17  Jakub Jelinek  <jakub@redhat.com>

        * lto-streamer-out.c (lto_output): Fix --enable-checking=release
        build.

2010-05-16  Jan Hubicka  <jh@suse.cz>

        * ipa-cp.c (ipcp_versionable_function_p): Walk cgraph edges instead of
        function body; do not check stdarg field of struct function.

2010-05-16  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (dump_cgraph_node): Dump versionable flag.
        * cgraph.h (cgraph_local_info): Add versionable flag.
        * ipa-cp.c (ipcp_analyze_node): Set versionable flag.
        (ipcp_versionable_function_p): Use it.
        * lto-cgraph.c (lto_output_node, input_overwrite_node): Stream
        versionable flag.

2010-05-16  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_clone_node): Take decl argument and insert
        clone into hash when it is different from orig.
        (cgraph_create_virtual_clone): Update use of cgraph_clone_node.
        * cgraph.h (cgraph_clone_node): Update prototype.
        * lto-cgrpah.c (lto_cgraph_encoder_new): Create body map.
        (lto_cgraph_encoder_delete): Delete body map.
        (lto_cgraph_encoder_size): Move to header.
        (lto_cgraph_encoder_encode_body_p,
        lto_set_cgraph_encoder_encode_body): New.
        (lto_output_node): Do not take written_decls argument; output clone_of
        pointer.
        (add_node_to): Add include_body_argument; call
        lto_set_cgraph_encoder_encode_body on master of the clone.
        (add_references): Update use of add_node_to.
        (compute_ltrans_boundary): Likewise.
        (output_cgraph): Do not create written_decls bitmap.
        (input_node): Take nodes argument; stream in clone_of correctly.
        (input_cgraph_1): Update use of input_node.
        * lto-streamer-out.c (lto_output): Use encoder info to decide
        what bodies to output.
        * ipa-inline.c (cgraph_clone_inlined_nodes,
        cgraph_decide_recursive_inlining): Update call of cgraph_clone_node.
        * lto-streamer.h (lto_cgraph_encoder_d): Add body.
        (lto_cgraph_encoder_size): Define here.
        (lto_cgraph_encoder_encode_body_p, lto_varpool_encoder_encode_body_p):
        Declare.

2010-05-16  Richard Guenther  <rguenther@suse.de>

        * doc/invoke.texi (-fipa-struct-reorg): Do not mention
        -fipa-type-escape.
        * ipa-type-escape.c (gate_type_escape_vars): Run when
        -fipa-struct-reorg runs.
        * opts.c (decode_options): Do not unset flag_ipa_type_escape.
        * common.opt (fipa-type-escape): Remove.

2010-05-16  Eric Botcazou  <ebotcazou@adacore.com>

        * opts.c (handle_option): Call into LTO streamer only if ENABLE_LTO.
        (decode_options): Likewise.
        * Makefile.in (opts.o): Add dependency on LTO_STREAMER_H.

2010-05-16  Jan Hubicka  <jh@suse.cz>

        * ipa.c (function_and_variable_visibility): Also bring local all
        aliases.

2010-05-16  Richard Guenther  <rguenther@suse.de>

        * alias.c (nonoverlapping_memrefs_p): Remove use of
        IPA type-escape information.

2010-05-16  Joseph Myers  <joseph@codesourcery.com>

        * c-common.c (c_common_reswords): Add _Static_assert for C.
        * c-parser.c (c_token_starts_declaration,
        c_parser_next_token_starts_declaration,
        c_parser_static_assert_declaration_no_semi,
        c_parser_static_assert_declaration): New.
        (c_parser_declaration_or_fndef): Add parameter static_assert_ok.
        Handle static assertions if static_assert_ok.
        (c_parser_external_declaration, c_parser_declaration_or_fndef,
        c_parser_compound_statement_nostart, c_parser_label,
        c_parser_for_statement, c_parser_objc_methodprotolist,
        c_parser_omp_for_loop): All callers of
        c_parser_declaration_or_fndef changed.
        (c_parser_struct_declaration): Handle static assertions.
        (c_parser_compound_statement_nostart): Use
        c_parser_next_token_starts_declaration and
        c_token_starts_declaration to detect start of declarations.
        (c_parser_label, c_parser_for_statement, c_parser_omp_for_loop):
        Likewise.

2010-05-16  Anatoly Sokolov  <aesok@post.ru>

        * config/mmix/mmix.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
        LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
        * config/mmix/mmix.c (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
        TARGET_FUNCTION_VALUE_REGNO_P): Define.
        (mmix_function_outgoing_value): Rename to...
        (mmix_function_value): ...this. Make static. Add 'outgoing' argument.
        (mmix_function_value_regno_p): Make static.
        (mmix_libcall_value): New function.
        * config/mmix/mmix-protos.h (mmix_function_outgoing_value,
        mmix_function_value_regno_p): Remove declaration.

2010-05-16  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.c (build_common_builtin_nodes): Always clear TREE_NOTHROW on
        BUILT_IN_ALLOCA if stack checking is enabled.

2010-05-16  Richard Guenther  <rguenther@suse.de>

        * var-tracking.c (vars_copy_1): Inline ...
        (vars_copy): ... here.  Use FOR_EACH_HTAB_ELEMENT.
        (variable_union): Use FOR_EACH_HTAB_ELEMENT.  Merge asserts.
        (variable_merge_over_cur): Adjust.  Merge asserts.
        (variable_merge_over_src): Likewise.
        (dataflow_set_merge): Use FOR_EACH_HTAB_ELEMENT.
        (variable_post_merge_new_vals): Merge asserts.
        (variable_post_merge_perm_vals): Likewise.
        (find_mem_expr_in_1pdv): Likewise.
        (dataflow_set_different_value): Remove.
        (onepart_variable_different_p): Merge asserts.
        (variable_different_p): Likewise.
        (dataflow_set_different_1): Inline ...
        (dataflow_set_different): ... here.  Use FOR_EACH_HTAB_ELEMENT.
        (emit_notes_for_differences_1): Merge asserts.

2010-05-16  Richard Guenther  <rguenther@suse.de>

        * lto-symtab.c (lto_symtab_entry_hash): Use IDENTIFIER_HASH_VALUE.
        * optabs.c (libfunc_decl_hash): Likewise.
        * varasm.c (emutls_decl): Likewise.

2010-05-16  Steven Bosscher  <steven@gcc.gnu.org>

        * c-decl.c: Don't include gimple.h.
        (merge_decls): Do not copy gimple_body.

2010-05-15  Jason Merrill  <jason@redhat.com>

        * c.opt: Add -fnothrow-opt.

2010-05-15  Jan Hubicka  <jh@suse.cz>

        * ipa-prop.c (ipa_prop_read_section): Add sanity check that node is
        analyzed.
        * passes.c (ipa_write_summaries): Write all analyzed nodes.

2010-05-15  Steven Bosscher  <steven@gcc.gnu.org>

        * vecir.h: New file with VEC primitives for tree, gimple, and rtl.
        * Makefile.in: Add it.
        Fix all other Makefile dependencies for changes below.
        * tree.h: Include it instead of defining VEC primitives here.
        * gimple.h: Likewise.
        * rtl.h: Likewise.
        * tree-inline.h: Inlclude vecir.h instead of gimple.h.
        * except.h: Include vecir.h, break dependence on tree.h.

        * gimplify.c (append_to_statement_list_1, append_to_statement_list):
        Move from here...
        * tree-iterator.c: ...to here.
        * tree-iterator.h: Fix file introduction comment.  Add extern markers.

        * c-lex.c: Include fixed-value.h instead of rtl.h.  Do not include
        tm_p.h.
        * c-cppbuiltin.c: Explain why debug.h and tm_p.h are included.
        * c-objc-common.h: Do not include tm.h, rtl.h, insn-config.h,
        integrate.h, function.h, toplev.h, tree-inline.h, ggc.h,
        tree-mudflap.h, and target.h.
        * c-semantics.c: Do not include except.h, ggc.h, rtl.h, timevar.h,
        predict.h, tree-inline.h, gimple.h, and langhooks.h.
        * c-decl.c: Do not include expr.h, ggc.h, libfuncs.h, except.h.
        Add FIXME for why gimple.h is still included (should be unnecessary
        since GCC 4.5 gimplification unit-at-a-time).
        * c-typeck.c: Do not include rtl.h, tm_p.h, ggc.h, and gimple.h.
        * c-pragma.c: Add FIXME for why function.h needs to be included just
        for cfun, at front-end level.
        Add note that REGISTER_TARGET_PRAGMAS should probably be a target hook.
        Do not include ggc.h, but include vecprim.h for VEC(char).
        * c-opts.c: Do not include tm.h, tree-inline.h, and tm_p.h.
        Explain why target.h is included.
        * c-omp.h: Do not include tm.h, function.h, and bitmap.h.
        Explain why gimple.h is included.
        * c-ppoutput.c: Do not include tm.h.
        * c-common.c: Do not include gimple.h.  Explain why expr.h is included.
        * c-parses.c: Explain why rtl.h is included, and that this (and only
        this) is also why tm.h must be included.
        Do not include except.h.
        * c-lang.c: Do not include ggc.h.

2010-05-15  Uros Bizjak  <ubizjak@gmail.com>

        * targhooks.c (GO_IF_MODE_DEPENDENT_ADDRESS): Use CONST_CAST_RTX.

2010-05-15  Joseph Myers  <joseph@codesourcery.com>

        * c-decl.c (grokfield): Allow typedefs for anonymous structs and
        unions by default if those structs and unions have no tags.  Do
        not condition anonymous struct and unions handling on flag_iso.
        Allow anonymous structs and unions for C1X.
        (finish_struct): Do not diagnose lack of named fields when
        anonymous structs and unions present for C1X.  Accept flexible
        array members in structure with anonymous structs or unions but no
        directly named fields.
        * doc/extend.texi (Unnamed Fields): Update.

2010-05-15  Eric Botcazou  <ebotcazou@adacore.com>

        * gimple.h (compare_field_offset): Rename into...
        (gimple_compare_field_offset): ...this.
        * gimple.c (compare_field_offset): Rename into...
        (gimple_compare_field_offset): ...this.  Compare the full access if
        the offset is self-referential.
        (gimple_types_compatible_p): Adjust for above renaming.
        * lto-streamer-in.c (input_gimple_stmt): Likewise.  Also compare the
        DECL_NONADDRESSABLE_P flag of fields before merging them.

2010-05-15  Nathan Froyd  <froydnj@codesourcery.com>

        * tree.h (ctor_to_list): Delete.
        * tree.c (ctor_to_list): Delete.

2010-05-15  Jan Hubicka  <jh@suse.cz>

        * ipa-reference.c: Include toplev.h
        (is_proper_for_analysis): Only add to all_module_statics
        if it is allocated.
        (write_node_summary_p, stream_out_bitmap,
        ipa_reference_write_optimization_summary,
        ipa_reference_read_optimization_summary): New.
        (struct ipa_opt_pass_d pass_ipa_reference): Add
        optimization summary streaming.
        * lto-cgraph.c (referenced_from_this_partition_p,
        reachable_from_this_partition_p): New functions.
        * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
        call_may_clobber_ref_p_1): Ask ipa-reference even for public vars.
        * opts.c (decode_options): Enable ipa_reference.
        * Makefile.in (ipa-reference.o): Add toplev.h dependency.
        * lto-streamer.h (referenced_from_this_partition_p,
        reachable_from_this_partition_p): Declare.

2010-05-15  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44038
        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Avoid
        taking the address of a V_C_E of a constant.

2010-05-14  Jan Hubicka  <jh@suse.cz>

        * tree.h (memory_identifier_string): Remove.
        * ipa-reference.c: Update comment; do not include gt-ipa-reference.h
        (ipa_reference_global_vars_info_d): Remove statics_not_read and
        statics_not_written.
        (ipa_reference_optimization_summary_d): New structure.
        (ipa_reference_optimization_summary_t): New type and vector.
        (ipa_reference_vars_info_d): Embedd structures instead of using
        pointers.
        (reference_vars_to_consider): Remove out of GGC space.
        (module_statics_escape): Remove.
        (global_info_obstack): Rename to ...
        (optimization_summary_obstack): ... this one.
        (initialization_status_t): Remove.
        (memory_identifier_string): Remove.
        (get_reference_vars_info): Fix indenting.
        (set_reference_vars_info): Likewise.
        (get_reference_optimization_summary): New.
        (set_reference_optimization_summary): New.
        (get_global_reference_vars_info): Remove.
        (ipa_reference_get_read_global): Remove.
        (ipa_reference_get_written_global): Remove.
        (ipa_reference_get_not_read_global): Update.
        (ipa_reference_get_not_written_global): Update.
        (is_proper_for_analysis): Outlaw addressable.
        (propagate_bits): Update for new datastructures.
        (analyze_variable): Remove.
        (init_function_info): Update for new datastructures.
        (clean_function_local_data): Remove.
        (clean_function): Remove.
        (copy_global_bitmap): Use optimizations_summary_obstack.
        (duplicate_node_data): Duplicate optimization summary only.
        (remove_node_data): Remove optimization summary only.
        (generate_summary): Do not analyze variables; do not compute
        module_statics_escape; do not prune solutions by it.
        (read_write_all_from_decl): Fix typos in comments.
        (propagate): Doscover readonly and nonaddressable first;
        update for new datastructures; share global bitmaps.
        * ipa-reference.h (ipa_reference_get_read_global,
        ipa_reference_get_written_global): Remove.
        * ipa-pure-const.c (check_stmt): Do not use memory_identifier_string.
        * Makefile.in: Remove ipa-refereference from GT files.

2010-05-14  Jakub Jelinek  <jakub@redhat.com>

        PR debug/44112
        * dwarf2out.c (resolve_one_addr): Check TREE_ASM_WRITTEN
        for all SYMBOL_REF_DECLs.

2010-05-14  Jan Hubicka  <jh@suse.cz>

        * cgraph.h (ipa_discover_readonly_nonaddressable_vars): Declare.
        (varpool_all_refs_explicit_p): New inline function.
        * ipa-reference.c: Update comment.
        (module_statics_written): Remove.
        (get_static_decl): Remove.
        (ipa_init): Do not initialize module_statics_written.
        (analyze_function): Likewise.
        (generate_summary): Likewise; do not compute module_statics_readonly
        and do not update variable flags.
        (propagate): Call ipa_discover_readonly_nonaddressable_vars.
        * ipa.c: Inlucde flags.h
        (cgraph_local_node_p): New.
        (cgraph_remove_unreachable_nodes): Return early when not optimizing;
        promote functions to local.
        (ipa_discover_readonly_nonaddressable_vars): New function.
        (function_and_variable_visibility): Use cgraph_local_node_p.
        * varpool.c (varpool_finalize_decl): Set force_output for
        DECL_PRESERVE_P vars.

2010-05-14  Jan Hubicka  <jh@suse.cz>

        * ipa.c (cgraph_remove_unreachable_nodes): Revert accidental commit.

2010-05-14  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44119
        * tree-ssa-pre.c (eliminate): Properly mark replacement of
        a PHI node necessary.

2010-05-14  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.h (TREE_ADDRESSABLE): Remove bogus usage for FIELD_DECL.

2010-05-14  Jason Merrill  <jason@redhat.com>

        PR c++/44127
        * gimple.h (enum gf_mask): Add GF_CALL_NOTHROW.
        (gimple_call_set_nothrow): New.
        * gimple.c (gimple_build_call_from_tree): Call it.
        (gimple_call_flags): Set ECF_NOTHROW from GF_CALL_NOTHROW.

        PR c++/44127
        * gimplify.c (gimplify_seq_add_stmt): No longer static.
        * gimple.h: Declare it.
        * gimple.c (gimple_build_eh_filter): No ops.

2010-05-14  Jan Hubicka  <jh@suse.cz>

        * ipa.c (enqueue_cgraph_node): Update comment; do not re-enqueue
        nodes already in queue.
        (cgraph_remove_unreachable_nodes): Cleanup; fix problem with
        re-enqueueing node.

2010-05-14  Jakub Jelinek  <jakub@redhat.com>

        PR debug/44136
        * cfgexpand.c (expand_debug_expr): If non-memory op0
        has BLKmode, return NULL.

2010-05-14  Harsha Jagasia  <harsha.jagasia@amd.com>

        * config.gcc: Add support for --with-cpu option for bdver1.
        * config/i386/i386.h (TARGET_BDVER1): New macro.
        (ix86_tune_indices): Change SSE_UNALIGNED_MOVE_OPTIMAL
        to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
        (ix86_tune_features) :Change SSE_UNALIGNED_MOVE_OPTIMAL
        to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
        Add SSE_PACKED_SINGLE_INSN_OPTIMAL.
        (TARGET_CPU_DEFAULT_NAMES): Add bdver1.
        (processor_type): Add PROCESSOR_BDVER1.
        * config/i386/i386.md: Add bdver1 as a new cpu attribute to match
        processor_type in config/i386/i386.h.
        Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit
        movaps <reg, reg> instead of movapd <reg, reg> when replacing
        movsd <reg, reg> or movss <reg, reg> for SSE and AVX.
        Add check for  TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
        to emit packed xor instead of packed double/packed integer
        xor for SSE and AVX when moving a zero value.
        * config/i386/sse.md: Add check for
        TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movaps instead of
        movapd/movdqa for SSE and AVX.
        Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed
        single logical operations i.e and, or and xor instead of packed double
        logical operations for SSE and AVX.
        * config/i386/i386-c.c (ix86_target_macros_internal):
        Add PROCESSOR_BDVER1.
        * config/i386/driver-i386.c: Turn on -mtune=native for BDVER1.
        (has_fma4, has_xop): New.
        * config/i386/i386.c (bdver1_cost): New variable.
        (m_BDVER1): New macro.
        (m_AMD_MULTIPLE): Add m_BDVER1.
        (x86_tune_use_leave, x86_tune_push_memory, x86_tune_unroll_strlen,
        x86_tune_deep_branch_prediction, x86_tune_use_sahf, x86_tune_movx,
        x86_tune_use_simode_fiop, x86_tune_promote_qimode,
        x86_tune_add_esp_8, x86_tune_tune_sub_esp_4, x86_tune_sub_esp_8,
        x86_tune_integer_dfmode_moves, x86_tune_partial_reg_dependency,
        x86_tune_sse_partial_reg_dependency,
        x86_tune_sse_unaligned_load_optimal,
        x86_tune_sse_unaligned_store_optimal, x86_tune_sse_typeless_stores,
        x86_tune_memory_mismatch_stall, x86_tune_use_ffreep,
        x86_tune_inter_unit_moves, x86_tune_inter_unit_conversions,
        x86_tune_use_bt, x86_tune_pad_returns, x86_tune_slow_imul_imm32_mem,
        x86_tune_slow_imul_imm8, x86_tune_fuse_cmp_and_branch):
        Enable/disable for bdver1.
        (processor_target_table): Add bdver1_cost.
        (cpu_names): Add bdver1.
        (override_options): Set up PROCESSOR_BDVER1 for bdver1 entry in
         processor_alias_table.
        (ix86_expand_vector_move_misalign): Change.
        TARGET_SSE_UNALIGNED_MOVE_OPTIMAL to TARGET_SSE_UNALIGNED_LOAD_OPTIMAL.
        Check for TARGET_SSE_UNALIGNED_STORE_OPTIMAL.
        Check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movups instead
        of movupd/movdqu for SSE and AVX.
        (ix86_tune_issue_rate): Add PROCESSOR_BDVER1.
        (ix86_tune_adjust_cost): Add code for bdver1.
        (standard_sse_constant_opcode): Add check for
        TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed single xor instead
        of packed double xor for SSE and AVX.

2010-05-14  Pat Haugen  <pthaugen@us.ibm.com>

        * tree-ssa-loop.prefetch.c (prune_ref_by_group_reuse): Cast abs()
        result to unsigned.

2010-05-14  Tristan Gingold  <gingold@adacore.com>

        * toplev.c (default_debug_hooks): Remove this variable.
        (process_options): Remove assignments to default_debug_hooks.

2010-05-14  Martin Jambor  <mjambor@suse.cz>

        * langhooks-def.h (LANG_HOOKS_FOLD_OBJ_TYPE_REF): Remove.
        (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_FOLD_OBJ_TYPE_REF.
        * langhooks.h (struct lang_hooks_for_decls): Removed field
        fold_obj_type_ref.
        * tree.c (free_lang_data): Remove assignment to
        lang_hooks.fold_obj_type_ref.
        * tree.def (OBJ_TYPE_REF): Update comment.

2010-05-14  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44124
        * tree-ssa-sccvn.c (vn_nary_may_trap): Fix invalid memory access.

2010-05-14  Alan Modra  <amodra@gmail.com>

        PR target/44075
        * config/rs6000/rs6000.c (struct machine_function): Reorder
        fields for better packing.  Add lr_save_state.
        (rs6000_ra_ever_killed): Return lr_save_state if set.
        (rs6000_emit_eh_reg_restore): Set lr_save_state.

2010-05-13  Jan Hubicka  <jh@suse.cz>

        * varpool.c (decide_is_variable_needed): Drop code checking
        TREE_SYMBOL_REFERENCED.

2010-05-13  Jan Hubicka  <jh@suse.cz>

        * final.c (output_addr_const): Do not call mark_decl_referenced.
        * cgraphunit.c (process_function_and_variable_attributes): Use
        mark_needed_node dirrectly.
        (assemble_thunk): Do not call mark_decl_referenced.

2010-05-13  Anatoly Sokolov  <aesok@post.ru>

        * targhooks.c (default_mode_dependent_address_p): Cast 'addr' to rtx.

2010-05-13  Jeff Law  <law@redhat.com>

        * ira-conflicts.c (print_allocno_conflicts): New function broken out
        from...
        (print_conflicts): Call print_allocno_conflicts.

2010-05-13  Jakub Jelinek  <jakub@redhat.com>

        PR debug/44104
        * dwarf2out.c (modified_type_die): Don't dereference mod_type_die
        if it is NULL.

2010-05-13  Kai Tietz  <kai.tietz@onevision.com>

        * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Choose
        t-mingw-w64 or t-mingw-w32 for multilib configuration.
        * config/i386/t-mingw-w32: New.
        * config/i386/t-mingw-w64 (MULTILIB_OSDIRNAMES): Change lib64 to lib.

2010-05-13  Martin Jambor  <mjambor@suse.cz>

        * gimple.c (gimple_fold_obj_type_ref): Removed (a replacement moved to
        gimple-fold.c).
        * gimple-fold.c (get_base_binfo_for_type): New function.
        (gimple_get_relevant_ref_binfo): Likewise.
        (gimple_fold_obj_type_ref_known_binfo): Likewise.
        (gimple_fold_obj_type_ref): Likewise.
        (fold_gimple_call): Simplify condition for folding virtual calls
        and call gimple_fold_obj_type_ref.
        * gimple.h (gimple_get_relevant_ref_binfo): Declare.
        (gimple_fold_obj_type_ref_known_binfo): Likewise.

2010-05-13  Andreas Schwab  <schwab@linux-m68k.org>

        * config/rs6000/rs6000-protos.h
        (rs6000_mode_dependent_address_ptr): Change argument to const_rtx.
        * config/rs6000/rs6000.c (rs6000_mode_dependent_address)
        (rs6000_debug_mode_dependent_address)
        (rs6000_mode_dependent_address_ptr): Likewise.

2010-05-13  Jakub Jelinek  <jakub@redhat.com>

        PR debug/43983
        * var-tracking.c (track_expr_p): Allow tracking of variables optimized
        by SRA.
        * Makefile.in (dwarf2out.o): Depend on $(TREE_FLOW_H).
        * tree-sra.c (create_access_replacement): Call unshare_expr before
        passing expr to SET_DECL_DEBUG_EXPR, and remove any SSA_NAMEs from it.
        * dwarf2out.c: Include tree-flow.h.
        (struct var_loc_node): Rename var_loc_note field to loc, add comment.
        (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
        Handle DW_OP_bit_piece.
        (decl_piece_bitsize, decl_piece_varloc_ptr, decl_piece_node,
        construct_piece_list, adjust_piece_list): New functions.
        (add_var_loc_to_decl): Handle SRA optimized variables.
        Adjust for var_loc_note to loc field renaming.
        (dw_loc_list_1): For WANT_ADDRESS == 2 prefer DECL_MODE of decl
        in VAR_LOCATION note.
        (new_loc_descr_op_bit_piece): New function.
        (dw_sra_loc_expr): New function.
        (dw_loc_list): Use it.  Don't handle the last range after the
        loop, handle it inside of the loop.  Adjust for var_loc_note
        to loc field renaming.
        (add_location_or_const_value_attribute): Only special case
        single entry loc lists if loc is NOTE_P.  Adjust for
        var_loc_note to loc field renaming.
        (dwarf2out_var_location): Don't set newloc->var_loc_note
        and newloc->next here.

2010-05-12  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_mark_address_taken_node): No longer imply needed
        flag.
        * cgraph.h (cgraph_only_called_directly_p,
        cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
        (cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
        * cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
        (assemble
        * ipa.c (cgraph_remove_unreachable_nodes): Use
        cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken
        flags.
        * tree-inline.c (copy_bb): Check address_taken flag.
        * tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
        externally_visible flag.

2010-05-12  Jason Merrill  <jason@redhat.com>

        PR bootstrap/44048
        PR target/44099
        * dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
        * sdbout.c (plain_type_1): Likewise.
        * dwarf2out.c (is_base_type): Likewise.
        (gen_type_die_with_usage): Likewise.  Generate
        DW_TAG_unspecified_type for any LANG_TYPE.

2010-05-12  Jan Hubicka  <jh@suse.cz>

        * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
        indrect edges too.
        * cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
        (cgraph_clone_edge): Update.
        (cgraph_node_remove_callees): Remove indirect calls too.
        * cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
        (cgraph_create_indirect_edge): Update prototype.
        * ipa-reference.c (has_proper_scope_for_analysis): Rename to
        is_proper_for_analysis.
        (add_new_function, visited_nodes, function_insertion_hook_holder,
        get_local_reference_vars_info, mark_address_taken, mark_address,
        mark_load, mark_store, check_asm_memory_clobber, check_call,
        scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
        (ipa_init): Do not initialize visited_nodes;
        function_insertion_hook_holder.
        (analyze_variable): Rewrite.
        (analyze_function): Rewrite.
        (copy_local_bitmap): Remove.
        (duplicate_node_dat): Do not duplicate local info.
        (generate_summary): Simplify to only walk cgraph.
        (write_node_summary_p, ipa_reference_write_summary,
        ipa_reference_read_summary): Remove.
        (propagate): Do not remove function insertion;
        generate summary.
        (pass_ipa_reference): NULLify summary handling fields.
        * lto-cgraph.c (lto_output_edge): Output ecf_flags.
        (input_edge): Input ecf_flags.
        * ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
        (update_indirect_edges_after_inlining): Ignore edges with unknown
        param.

2010-05-12  Sriraman Tallam  <tmsriram@google.com>

        * implicit-zee.c: New file.
        * tree-pass.h (pass_implicit_zee): Declare.
        * passes.c (init_optimization_passes): Add zee pass.
        * common.opt (fzee): New flag.
        * timevar.def (TV_ZEE): Define.
        * config/i386/i386.c (optimization_options): Turn on ZEE for level 2
        and beyond.
        * Makefile.in (implicit-zee.o): Add new build file.

2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
            Nathan Froyd  <froydnj@codesourcery.com>

        * c-common.c (sync_resolve_params): Remove write-only variable.

2010-05-12  Anatoly Sokolov  <aesok@post.ru>

        * target.h (struct gcc_target): Add mode_dependent_address_p field.
        * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
        (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
        * targhooks.c (default_mode_dependent_address_p): New function.
        * targhooks.h (default_mode_dependent_address_p): Declare function.
        * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
        (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
        * recog.c (mode_dependent_address_p): Call mode_dependent_address_p
        target hook. Change return type to bool.
        * recog.h (mode_dependent_address_p): Change return type to bool.

2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
            Nathan Froyd  <froydnj@codesourcery.com>

        * tree-mudflap.c (build_function_type_0, build_function_type_1,
        build_function_type_2, build_function_type_3): Remove.
        (mudflap_init): Use build_function_type_list.

2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
            Nathan Froyd  <froydnj@codesourcery.com>

        * coverage.c (build_fn_info_value): Call build_constructor instead of
        build_constructor_from_list.
        (build_ctr_info_value): Likewise.
        (build_gcov_info): Likewise.

2010-05-12  Nathan Froyd  <froydnj@codesourcery.com>

        * tree.c (build_constructor): Compute TREE_CONSTANT for the
        resultant constructor.
        (build_constructor_single): Don't set TREE_CONSTANT.
        (build_constructor_from_list): Don't compute TREE_CONSTANT.

2010-05-12  Jan Hubicka  <jh@suse.cz>

        * cgraph.h (struct varpool_node): Add aux.
        * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
        * varpool.c (varpool_remove_node): Do not remove initializer.
        (varpool_reset_queue): Export.
        (varpool_finalize_decl): Volatile vars are forced to be output.
        * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
        replaced decl.
        * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
        process_references, varpool_can_remove_if_no_refs): New functions.
        (cgraph_remove_unreachable_nodes): Handle variables too.

2010-05-12  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/44088
        * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.

2010-05-12  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/44085
        * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
        change value of ORT_TASK.
        (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
        (omp_notice_threadprivate_variable): New function.
        (omp_notice_variable): Call it for threadprivate variables.
        If enclosing ctx is a task, print enclosing task rather than
        enclosing parallel.  Handle ORT_UNTIED_TASK like ORT_TASK.
        (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
        if task has untied clause.

        PR debug/42278
        * dwarf2out.c (base_type_die): Don't add name attribute here.
        (modified_type_die): Instead of sizetype use
        its underlying original type.  If a DW_TAG_base_type doesn't
        have name added, add __unknown__.
        (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
        always call force_type_die instead.

2010-05-12  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
        for __stack_chk_guard.

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

        * c-opts.c (c_common_parse_file): If start_end_main_source_file,
        don't call start_source_file debug hook here...
        (finish_options): ... but here, after outputting predefined and
        command line defines and undefs.

        PR middle-end/44071
        * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
        no fallthru edge.
        * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
        optimizing away empty bb with no successors, move over its
        footer chain to fallthru predecessor.
        * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
        (rtl_split_edge): For asm goto call patch_jump_insn even if
        splitting fallthru edge.

        PR c++/44059
        * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
        even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
        * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
        * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
        on DW.ref.* decls.

        PR c++/44062
        * c-parser.c (c_parser_expression): Mark LHS of a comma
        expression as read if it is a decl, handled component or
        COMPOUND_EXPR with that on the RHS.
        * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
        if it is a decl or handled component.

2010-05-11  Jan Hubicka  <jh@suse.cz>

        * lto-symtab.c (lto_symtab_free): New function.
        * lto-streamer.h (lto_symtab_free): Declare.

2010-05-11  Jan Hubicka  <jh@suse.cz>

        * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
        that if function is needed it is reachable.
        (lto_output_node): See if it the function is reachable or referenced.
        (output_cgraph): Update call of lto_output_node.
        * lto-streamer.h (reachable_from_other_partition_p): Declare.

2010-05-11  Jan Hubicka  <jh@suse.cz>

        * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
        Mark as used.

2010-05-11  Jan Hubicka  <jh@suse.cz>

        PR tree-optimize/44063
        * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of
        queue.
        (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
        limits.
        (estimate_function_body_sizes): Compute sizes even when disregarding.

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

        * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.

2010-05-11  Jan Hubicka  <jh@suse.cz>

        * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
        into every boundary.

2010-05-11  Jan Hubicka  <jh@suse.cz>

        * matrix-reorg.c (matrix_reorg): Rebuild edges.

2010-05-11  Jan Hubicka  <jh@suse.cz>

        * lto-streamer.c (lto_streamer_cache_add_to_node_array,
        lto_streamer_cache_delete): Put nodes into heap.
        * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
        heap.

2010-05-11  Jan Hubicka  <jh@suse.cz>

        * cgraphbuild.c (cgraph_rebuild_references): New.
        * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
        out extern inlines.
        * cgraph.h (cgraph_rebuild_references): Declare.
        * tree-inline.c (tree_function_versioning): Use it.
        * ipa-struct-reorg.c (do_reorg_for_func): Likewise.

2010-05-11  Jan Hubicka  <jh@suse.cz>

        * cgraph.c: Include ipa-utils.h
        (cgraph_create_virtual_clone): Update references.
        * Makefile.in (cgraph.o): Add dependency at ipa-utils.h

2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>

        * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
        prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
        cache size.

2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>

        * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.

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

        * gcc.c (execute): For -### don't quote arguments that
        contain just alphanumerics and _/-. characters.
        * doc/invoke.texi: Document that change for -###.

        PR debug/44023
        * df-problems.c (struct dead_debug): Add to_rescan field.
        (dead_debug_init): Clear to_rescan field.
        (dead_debug_finish): Rescan all debug insns in to_rescan
        bitmap and free the bitmap.
        (dead_debug_insert_before): Instead of rescanning debug insns
        immediately queue their rescanning until dead_debug_finish.
        (df_note_bb_compute): After dead_debug_add do continue instead
        of break.

2010-05-10  Jakub Jelinek  <jakub@redhat.com>

        PR debug/44028
        * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
        clear also INSN_REG_USE_LIST.

2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.

2010-05-10  Jan Hubicka  <jh@suse.cz>

        * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally
        commited change.

2010-05-10  Jan Hubicka  <jh@suse.cz>

        * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries):
        Allocate encoders.
        * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
        * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
        (lto_streamer_cache_create): Init alloc pool.
        (lto_streamer_cache_delete): Free alloc pool.
        * lto-streamer.h: Include alloc pool.
        (lto_streamer_cache_d): Use alloc pool.
        * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.

2010-05-10  Jan Hubicka  <jh@suse.cz>

        * Makefile.in (cgraphbuild.o): Add dependency on except.h.
        * cgraphbuild.c: Include except.h
        (record_type_list, record_eh_tables): New function.
        (build_cgraph_edges, rebuild_cgraph_edges): Use it.

2010-05-10  Jan Hubicka  <jh@suse.cz>

        * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
        __frame_dummy_init_array_entry, force_to_data): Attribute as used
        rather than unused.

2010-05-10  Michael Matz  <matz@suse.de>

        * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
        (can_reassociate_p): Use FLOAT_TYPE_P.
        * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
        (vect_force_simple_reduction): ... this.
        * tree-parloops.c (gather_scalar_reductions): Use
        vect_force_simple_reduction.
        * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
        vect_is_simple_reduction, add modify argument, if true rewrite
        "a-b" into "a+(-b)".
        (vect_is_simple_reduction, vect_force_simple_reduction): New
        functions.
        (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.

2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
            Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/44012
        * ira-build.c (remove_unnecessary_allocnos): Nullify
        regno_allocno_map of the removed allocno.

2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
        to /dev/null.
        * configure: Regenerate.

2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
        unused.
        Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
        * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
        support in Sun ld.
        * configure: Regenerate.

2010-05-10  Richard Guenther  <rguenther@suse.de>

        * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
        marked if the entry identifier is marked.

2010-05-10  Richard Guenther  <rguenther@suse.de>

        * c-common.c (struct c_common_attributes): Add fnspec attribute.
        (handle_fnspec_attribute): New function.
        * gimple.h (gimple_call_return_flags): Declare.
        (gimple_call_arg_flags): Likewise.
        * gimple.c (gimple_call_arg_flags): New function.
        (gimple_call_return_flags): Likewise.
        * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
        New argument flags.
        (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
        return value flags.
        * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
        * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
        main work to ...
        (make_heapvar_for): ... this new function.
        (handle_rhs_call): Handle fnspec attribute argument specifiers.
        (handle_lhs_call): Likewise.
        (find_func_aliases): Adjust.

2010-05-10  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44050
        * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.

2010-05-10  Wei Guozhi  <carrot@google.com>

        PR target/42879
        * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.

2010-05-09  Joseph Myers  <joseph@codesourcery.com>

        PR c/10676
        * c-typeck.c (lookup_field): Take a type directly.  Update
        recursive calls.
        (build_component_ref): Update call to lookup_field.
        (set_init_label): Use lookup_field to find initialized field.
        Handle returned list of fields like a sequence of designators.

2010-05-09  Richard Guenther  <rguenther@suse.de>

        PR middle-end/44024
        * fold-const.c (tree_single_nonzero_warnv_p): Properly
        handle &FUNCTION_DECL.

2010-05-09  Joseph Myers  <joseph@codesourcery.com>

        PR c/4784
        * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
        structures and unions recursively.
        (detect_field_duplicates): Move duplicate detection with a hash to
        detect_field_duplicates_hash.  Always use a hash if anonymous
        structures or unions are present.
        * doc/extend.texi (Unnamed Fields): Document that duplicate fields
        give errors.

2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/44046
        * config/i386/driver-i386.c (host_detect_local_cpu): Properly
        detect Atom, Core 2 and Core i7.

2010-05-09  Richard Guenther  <rguenther@suse.de>

        * gcc.c (store_arg): Handle temporary file deletion for
        joined arguments.

2010-05-09  Richard Guenther  <rguenther@suse.de>

        PR middle-end/44043
        * ipa-inline.c (estimate_function_body_sizes): Return after
        disregarding inline limits.

2010-05-09  Richard Guenther  <rguenther@suse.de>

        * gcc.c (store_arg): Revert last change.

2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>

        PR middle-end/28685
        * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
        (optimize_ops_list): Call it.

2010-05-08  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44030
        * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
        NECESSARY flag if we propagate from a inserted expression.

2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>

        * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
        domain types as equal if they are both PLACEHOLDER_EXPRs.

2010-05-08  Richard Guenther  <rguenther@suse.de>

        * lto-wrapper.c (run_gcc): Remove linker output from
        command line for LTRANS invocation.

2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>

        * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
        lto-macho as lto_binary_reader.
        * target.h (struct gcc_target): New hooks lto_start and lto_end.
        * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
        * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
        in lto_start and lto_end calls.
        (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
        magic numbers.
        (scan_prog_file): Update is_elf_or_coff call.
        * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.

        * collect2.c (main): Fix enum comparison.

        * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
        Add prototypes.
        * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
        * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
        and TARGET_ASM_LTO_END.
        * darwin.c: Include obstack.h and lto-streamer.h.
        (lto_section_names_offset, lto_section_names_obstack,
        lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
        global variables.
        (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
        (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
        to a temporary file.
        (darwin_asm_lto_end): New function.  Restore asm_out_file.
        (darwin_asm_named_section): For LTO sections, replace the name with
        the offset of the section name in a string table, and build this
        table.
        (darwin_file_start): Initialize global vars for LTO support.
        (darwin_file_end): If output to asm_out_file was redirected, append it
        to the proper asm_out_file here.  Add the section names section.

2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>

        * c-pragma.c (pending_weak_d, pending_weak): New.
        (pending_weaks): Change the type to VEC((pending_weak,gc) *.
        (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
        handle_pragma_weak): Update the uses of pending_weaks.

2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR documentation/44016
        * doc/standards.texi (Standards): Link to unversioned
        cxx0x_status.html page.

2010-05-07  Iain Sandoe <iains@gcc.gnu.org>

        PR target/43708
        * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
        in addition to TREE_USED, to avoid "set but unused" warnings.

2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>

        * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
        (is_loop_prefetching_profitable): Do not insert prefetches
        when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
        times the prefetch ahead distance.

2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>

        * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
        Account for loop unrolling in the insn-to-prefetch ratio heuristic.
        (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
        the unroll_factor.

2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>

        * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
        a diagnostic info when the insn-to-mem ratio is too small.

2010-05-07  Richard Guenther <rguenther@suse.de>

        * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
        the linker plugin.
        (store_arg): Queue temp_filename for deletion instead of
        the whole argument.

2010-05-07  Richard Guenther  <rguenther@suse.de>

        * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
        (run_gcc): Handle LTRANS phase invocation.
        * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.

2010-05-07  Jakub Jelinek  <jakub@redhat.com>

        * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
        this is also meaningful on PARM_DECLs and RESULT_DECLs.

2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.

2010-05-07  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44020
        * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
        code when PRE is not yet initialized.

2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/mips/dbxmdebug.h: Remove.
        * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.

2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>

        * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
        with null pointer and also warn about ordered comparison of zero with
        pointer if -Wextra.

2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>

        * graphite-blocking.c
        (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
        * graphite-clast-to-gimple.c
        (clast_to_gcc_expression): Same.
        (precision_for_value): Same.
        (precision_for_interval): Same.
        (gcc_type_for_interval): Same.
        (graphite_create_new_guard): Same.
        (compute_bounds_for_level): Same.
        (graphite_create_new_loop_guard): Same.
        * graphite-interchange.c
        (build_linearized_memory_access): Same.
        (pdr_stride_in_loop): Same.
        (memory_strides_in_loop_1): Same.
        (memory_strides_in_loop): Same.
        (extend_scattering): Same.
        (psct_scattering_dim_for_loop_depth): Same.
        (pbb_number_of_iterations): Same.
        * graphite-poly.h
        (debug_iteration_domains): Same.
        * graphite-ppl.c
        (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
        (ppl_set_inhomogeneous_gmp): Same.
        (ppl_strip_loop): Same.
        (ppl_lexico_compare_linear_expressions): Same.
        (ppl_read_polyhedron_matrix): Same.
        (ppl_max_for_le_pointset): Same.
        * graphite-ppl.h
        (ppl_read_polyhedron_matrix): Same.
        (tree_int_to_gmp): Same.
        (gmp_cst_to_tree): Same.
        (ppl_set_inhomogeneous): Same.
        (ppl_set_inhomogeneous_tree): Same.
        (ppl_set_coef): Same.
        (ppl_set_coef_tree): Same.
        * graphite-sese-to-poly.c
        (build_pbb_scattering_polyhedrons): Same.
        (build_scop_scattering): Same.
        (scan_tree_for_params_right_scev): Same.
        (scan_tree_for_params): Same.
        (find_params_in_bb): Same.
        (find_scop_parameters): Same.
        (add_upper_bounds_from_estimated_nit): Same.
        (build_loop_iteration_domains): Same.
        (add_condition_to_domain): Same.
        (pdr_add_memory_accesses): Same.

2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>

        * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
        CLooG's value_* macros to their respective mpz_* counterparts.
        * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
        (graphite_create_new_loop_guard): Same.
        * graphite-interchange.c (build_linearized_memory_access): Same.
        (pdr_stride_in_loop): Same.
        (memory_strides_in_loop_1): Same.
        (1st_interchange_profitable_p): Same.
        * graphite-poly.c (extend_scattering): Same.
        (psct_scattering_dim_for_loop_depth): Same.
        (pbb_number_of_iterations): Same.
        (pbb_number_of_iterations_at_time): Same.
        * graphite-poly.h (new_1st_loop): Same.
        * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
        (oppose_constraint): Same.
        (insert_constraint_into_matrix): Same.
        (ppl_set_inhomogeneous_gmp): Same.
        (ppl_set_coef_gmp): Same.
        (ppl_strip_loop): Same.
        (ppl_lexico_compare_linear_expressions): Same.
        (ppl_max_for_le_pointset): Same.
        (ppl_min_for_le_pointset): Same.
        (ppl_build_realtion): Same.
        * graphite-ppl.h (gmp_cst_to_tree): Same.
        (ppl_set_inhomogeneous): Same.
        (ppl_set_inhomogeneous_tree): Same.
        (ppl_set_coef): Same.
        (ppl_set_coef_tree): Same.
        * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
        (build_scop_scattering): Same.
        (add_value_to_dim): Same.
        (scan_tree_for_params_right_scev): Same.
        (scan_tree_for_params_int): Same.
        (scan_tree_for_params): Same.
        (find_params_in_bb): Same.
        (find_scop_parameters): Same.
        (add_upper_bounds_from_estimated_nit): Same.
        (build_loop_iteration_domains): Same.
        (create_linear_expr_from_tree): Same.
        (add_condition_to_domain): Same.
        (pdr_add_memory_accesses): Same.

2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
            Jason Merrill  <jason@redhat.com>

        * c-common.c (c_common_reswords): Add nullptr.
        * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
        * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
        (gen_type_die_with_usage): Likewise.
        * dbxout.c (dbxout_type): Likewise.
        * sdbout.c (plain_type_1): Likewise.

2010-05-06  Jason Merrill  <jason@redhat.com>

        * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
        Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
        ret appropriately.
        (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.

        * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
        stripping WITH_SIZE_EXPR.
        (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
        change.

2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
        list of obsolete configurations.
        Disabled check for obsolete configurations.
        (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
        Removed support for previous versions.
        * config/mips/iris.h: Removed.
        * config/mips/iris5.h: Removed.
        * config/mips/iris6.h: Merged old iris.h contents.
        (TARGET_IRIX): Removed.
        (DRIVER_SELF_SPECS): Removed mabi=32.
        (IDENT_ASM_OP): Removed undef.
        (STARTFILE_SPEC): Removed mabi=32.
        (ENDFILE_SPEC): Likewise.
        (IRIX_SUBTARGET_LINK_SPEC): Likewise.
        (MACHINE_TYPE): Update for IRIX 6.5.
        * config/mips/mips.c (mips_build_builtin_va_list): Replaced
        TARGET_IRIX by TARGET_IRIX6.
        (mips_file_start): Likewise.
        (mips_output_external): Remove IRIX 5/6 O32 support.
        (mips_output_function_prologue): Likewise.
        * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
        TARGET_IRIX6.
        (TARGET_CPU_CPP_BUILTINS): Likewise.
        (TARGET_IRIX): Removed.
        * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
        (MULTILIB_DIRNAMES): Removed 32.
        (MULTILIB_OSDIRNAMES): Removed ../lib.
        * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
        (Specific, mips-sgi-irix5): Document removal.
        (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
        Remove references to older IRIX 6 releases and the O32 ABI.

2010-05-06  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/43994
        * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
        instead of DF_REF_REAL_REG.

2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>

        PR target/43888
        * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
        handling to still return true for x64 targets.

2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.

2010-05-06  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/43791
        * ipa-inline.c (update_caller_keys): Remove bogus
        disregard_inline_limits check.

2010-05-06  Michael Matz  <matz@suse.de>

        PR tree-optimization/43984
        * tree-ssa-pre.c (inserted_phi_names): Remove.
        (inserted_exprs): Change to bitmap.
        (create_expression_by_pieces): Set bits, don't append to vector.
        (insert_into_preds_of_block): Don't handle inserted_phi_names.
        (eliminate): Don't look at inserted_phi_names, remove deleted
        insns from inserted_exprs.
        (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
        (init_pre, fini_pre): Allocate and free bitmaps.
        (execute_pre): Insert insns on edges before elimination.

2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * tree.c (initializer_zerop): Handle STRING_CST.

2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR 40989
        * doc/invoke.texi (Wimplicit): Document as C only.
        * opts.c (common_handle_option): Add argument kind.
        (handle_option): Rename as read_cmdline_option. Factor out code to...
        (handle_option): ... here. New.
        (handle_options): Rename as read_cmdline_options.
        (decode_options): Update call.
        (set_option): Use option index instead of option pointer. Classify
        diagnostics correctly.
        (enable_warning_as_error): Call handle_option.
        * opts.h (set_option): Update declaration.
        (handle_option): Declare.
        * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
        * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
        * c-opts.c (set_Wimplicit): Delete.
        (c_family_lang_mask): New static constant.
        (c_common_handle_option): Add argument kind. Use handle_option
        instead of set_Wimplicit.
        (c_common_post_options): warn_implicit and warn_implicit_int
        are disabled by default.
        * c-common.c (warn_implicit): Do not define here.
        * c-common.h (warn_implicit): Do not declare here.
        (c_common_handle_option): Update declaration.
        * lto-opts.c (lto_reissue_options): Update call to set_option.

2010-05-06  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43571
        * domwalk.c (walk_dominator_tree): Walk the dominator
        sons in more optimal order.

2010-05-06  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43934
        * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
        (stmt_cost): Likewise.
        (extract_true_false_args_from_phi): New helper.
        (determine_max_movement): For PHI nodes verify we can hoist them
        and compute their cost.
        (determine_invariantness_stmt): Handle PHI nodes.
        (move_computations_stmt): Likewise.  Hoist PHI nodes in
        if-converted form using COND_EXPRs.
        (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
        (tree_ssa_lim): Likewise.
        * tree-flow.h (tree_ssa_lim): Adjust prototype.
        * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.

2010-05-06  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43987
        * tree-ssa-structalias.c (could_have_pointers): For possibly
        address-taken variables force pointers to be recorded.
        (create_variable_info_for_1): Likewise.
        (push_fields_onto_fieldstack): Pass in wheter all fields
        must have pointers.
        (find_func_aliases): Query types instead of vars whether
        they contain pointers where appropriate.

2010-05-06  Jan Hubicka  <jh@suse.cz>

        * cgraphbuild.c (record_reference_ctx): Add varpool_node.
        (record_reference, mark_address, mark_load, mark_store): Record
        references.
        (record_references_in_initializer): Update call of record_references.
        (rebuild_cgraph_edges): Remove all references before rebuiding.
        * cgraph.c (cgraph_create_node): Clear ref list.
        (cgraph_remove_node): Remove references.
        (dump_cgraph_node): Dump references.
        (cgraph_clone_node): Clone references.
        * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
        (struct cgraph_node, varpool_node): Add ref_lst.
        * ipa-ref.c: New file.
        * ipa-ref.h: New file.
        * ipa-ref-inline.h: New file.
        * lto-cgraph.c (output_varpool): Take cgrag node set argument.
        (referenced_from_other_partition_p): New function.
        (lto_output_varpool_node): Take set arugment; call
        referenced_from_other_partition.
        (lto_output_ref): New.
        (add_references): New.
        (output_refs): New.
        (output_cgraph): Compute boundary based on references; output refs.
        (output_varpool): Accept cgraph_node_set argument.
        (input_ref): New.
        (input_refs): New.
        (input_cgraph): Call input_refs.
        * lto-section-in.c (lto_section_name): Add refs.
        * Makefile.in (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
        (ipa-ref.o): New file.
        * varpool.c (varpool_node): Clear ipa ref list.
        (varpool_remove_node): Remove references.
        (dump_varpool_node): Dump references.
        (varpool_assemble_decl): Only compile finalized ones.
        (varpool_extra_name_alias): Initialize ref list.
        * lto-streamer.c (lto-get_section_name): Add .refs section.
        * lto-streamer.h (lto_section_type): Add LTO_section_refs.
        (referenced_from_other_partition_p): Declared.

2010-05-06  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/43901
        * tree-vect-stmts.c (vectorizable_call): Assert that vector
        type is not NULL if it's transformation phase, and return
        FALSE if it's analysis.
        (vectorizable_conversion, vectorizable_operation,
        vectorizable_type_demotion, vectorizable_type_promotion): Likewise.

2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>

        * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
        Delete.
        * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
        New define.
        * config/mips/mips-protos.h
        (mips_small_register_classes_for_mode_p): Delete prototype.

2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>

        * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.