* config/darwin.opt (dylinker, headerpad_max_install_names,

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

2010-12-16  Joseph Myers  <joseph@codesourcery.com>

        * config/darwin.opt (dylinker, headerpad_max_install_names,
        keep_private_externs, nofixprebinding, nomultidefs, noprebind,
        noseglinkedit, object, prebind, prebind_all_twolevel_modules,
        preload, private_bundle, pthread, seglinkedit, twolevel_namespace,
        twolevel_namespace_hints, whatsloaded, whyload, y, Mach, X): New
        Driver options.
        * config/darwin.h (LINK_SPEC): Remove '*' after
        headerpad_max_install_names.

2010-12-16  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/46924
        * graphite-sese-to-poly.c (detect_commutative_reduction): Do not
        detect reductions outside the current SESE region.
        * sese.h (stmt_in_sese_p): New.
        (defined_in_sese_p): Call stmt_in_sese_p.

2010-12-16  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/46966
        * graphite-sese-to-poly.c (build_scop_drs): Call free_gimple_bb for
        for bbs that are removed from SCOP_BBS vector.

2010-12-16  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-ssa-sccvn.c (vn_reference_lookup_3): Always punt if the call to
        get_ref_base_and_extent returns -1 as the max size.

2010-12-16  Konrad Eisele  <konrad@gaisler.com>
            Eric Botcazou  <ebotcazou@adacore.com>

        Support for LEON processor
        * config.gcc (sparc-*-elf*): Deal with sparc-leon specifically.
        (sparc-*-linux*): Likewise.
        (sparc-*-rtems*): Remove Solaris left-overs.
        (sparc*-*-*): Remove obsolete sparc86x setting.
        (sparc-leon*): Default to --with-cpu=v8 and --with-tune=leon.
        * doc/invoke.texi (SPARC Options): Document -mcpu/-mtune=leon.
        * config/sparc/sparc.h (TARGET_CPU_leon): Define.
        (TARGET_CPU_sparc86x): Delete.
        (TARGET_CPU_cypress): Define as alias to TARGET_CPU_v7.
        (TARGET_CPU_f930): Define as alias to TARGET_CPU_sparclite.
        (TARGET_CPU_f934): Likewise.
        (TARGET_CPU_tsc701): Define as alias to TARGET_CPU_sparclet.
        (CPP_CPU_SPEC): Add entry for -mcpu=leon.
        (enum processor_type): Add PROCESSOR_LEON.  Reorganize.
        * config/sparc/sparc.c (leon_costs): New cost array.
        (sparc_option_override): Add entry for TARGET_CPU_leon and -mcpu=leon.
        Initialize cost array to leon_costs if -mtune=leon.
        * config/sparc/sparc.md (cpu attribute): Add leon.  Reorganize.
        Include leon.md scheduling description.
        * config/sparc/leon.md: New file.
        * config/sparc/t-elf: Do not assemble Solaris startup files.
        * config/sparc/t-leon: New file.
        * config/sparc/t-leon3: Likewise.

2010-12-16  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/43655
        * tree-ssa-ter.c (is_replaceable_p): Don't use
        gimple_references_memory_p for -O0, instead check for load
        by looking at rhs.

2010-12-16  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/46404
        * graphite-clast-to-gimple.c (gloog): Call scev_reset.

2010-12-16  Anatoly Sokolov  <aesok@post.ru>

        * config/sh/sh.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
        * config/sh/sh.c (sh_asm_output_addr_const_extra): New function.
        (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.

2010-12-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/t-spu-elf (LIB2_SIDITI_CONV_FUNC): Define.
        * config/spu/spu.h (MIN_UNITS_PER_WORD): Do not define.
        (LIBGCC2_UNITS_PER_WORD): Define if not already defined.

2010-12-16  Jakub Jelinek  <jakub@redhat.com>

        PR debug/46893
        * cfgexpand.c (expand_debug_expr): If GET_MODE (op0) is VOIDmode,
        use TYPE_MODE (TREE_TYPE (tem)) instead of mode1.

2010-12-16  Chung-Lin Tang  <cltang@codesourcery.com>

        PR target/46883
        * config/arm/arm.md
        (zero_extendhisi2 for register input splitter): Change
        "register_operand" to "s_register_operand".
        (zero_extendqisi2 for register input splitter): Same.

2010-12-16  Jan Hubicka  <jh@suse.cz>

        PR middle-end/46939
        * predic.c (predict_paths_leading_to_edge): New function.
        (apply_return_prediction): Use it.
        (predict_paths_for_bb): Do not special case abnormals.

2010-12-16  Joseph Myers  <joseph@codesourcery.com>

        * config.gcc (powerpc-*-lynxos*): Don't add lynx.opt to
        extra_options twice.

2010-12-15  Joseph Myers  <joseph@codesourcery.com>

        * doc/tm.texi.in (US_SOFTWARE_GOFAST): Don't document.
        * doc/tm.texi: Regenerate.
        * system.h (US_SOFTWARE_GOFAST): Poison.
        * config.gcc (enable_gofast): Don't handle.
        * config/gofast.h: Remove.
        * config/mips/t-gofast: Remove.
        * config/fp-bit.c (US_SOFTWARE_GOFAST): Don't handle.
        * config/fp-bit.h (US_SOFTWARE_GOFAST): Don't handle.
        * config/mips/elforion.h: Don't mention GOFAST in comment.
        * config/mips/mips.c: Don't include gofast.h.
        (mips_init_libfuncs): Don't call gofast_maybe_init_libfuncs.
        * config/mips/t-sr71k (dp-bit.c, fp-bit.c): Don't define
        US_SOFTWARE_GOFAST.
        * config/sparc/sparc.c: Don't include gofast.h.
        (sparc_init_libfuncs): Don't call gofast_maybe_init_libfuncs.
        * config/spu/t-spu-elf (dp-bit.c, fp-bit.c): Don't undefine
        US_SOFTWARE_GOFAST.

2010-12-14  Jan Hubicka  <jh@suse.cz>

        * tree.c (get_file_function_name): Avoid using random seed on GLOBAL_sub_I
        and GLOBAL_sub_D.

2010-12-15  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/46053
        PR middle-end/46287
        PR middle-end/46242
        * cgraph.h (cgraph_indirect_call_info): New field thunk_delta.
        * gimple.h (gimple_fold_obj_type_ref): Declaration removed.
        (gimple_fold_call): Declare.
        (gimple_adjust_this_by_delta): Likewise.
        * cgraph.c (cgraph_make_edge_direct): New parameter delta.  Updated
        all users.
        (cgraph_clone_edge): Create a copy of indirect_info also for direct
        edges.
        * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Adjust this
        parameters.
        * gimple-fold.c (gimple_fold_obj_type_ref_known_binfo): Renamed to
        gimple_get_virt_mehtod_for_binfo, new parameter delta.  Do not search
        through thunks, in fact bail out if we encounter one, check that
        BINFO_VIRTUALS is not NULL.
        (gimple_adjust_this_by_delta): New function.
        (gimple_fold_obj_type_ref): Removed.
        (gimple_fold_obj_type_ref_call): New function.
        (fold_gimple_call): Renamed to gimple_fold_call, made external.
        Updated users.  Call gimple_fold_obj_type_ref_call instead of
        gimple_fold_obj_type_ref.
        * ipa-cp.c (ipcp_process_devirtualization_opportunities): Process
        thunk deltas.
        (ipcp_discover_new_direct_edges): Likewise.
        * ipa-prop.c (ipa_make_edge_direct_to_target): New parameter delta.
        Updated callers.
        (ipa_write_indirect_edge_info): Stream thunk_delta.
        (ipa_read_indirect_edge_info): Likewise.
        * tree-ssa-ccp.c (ccp_fold_stmt): Use gimple_fold_call instead of
        gimple_fold_obj_type_ref.

2010-12-15  Alexander Monakov  <amonakov@ispras.ru>

        PR rtl-optimization/46649
        * sel-sched-ir.c (purge_empty_blocks): Unconditionally skip the first
        basic block in the region.

2010-12-15  Joseph Myers  <joseph@codesourcery.com>

        * config/stormy16/stormy16.h (LINK_SPEC, WCHAR_TYPE): Define.
        * config.gcc (xstormy16-*-elf): Don't use svr4.h.

2010-12-15  Joseph Myers  <joseph@codesourcery.com>

        * config/rx/rx.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
        * config.gcc (rx-*-elf*): Don't use svr4.h.

2010-12-14  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/46845
        * sese.c (scalar_evolution_in_region): Handle scop parameters
        before scev analysis.

2010-12-14  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/46928
        * tree-data-ref.c (analyze_overlapping_iterations): Handle "A[p] == A[p]"
        in data dependence analysis with p a parameter of the loop.

2010-12-14  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/45948
        * tree-loop-distribution.c (ssa_name_has_uses_outside_loop_p): New.
        (stmt_has_scalar_dependences_outside_loop): New.
        (stmt_generated_in_another_partition): New.
        (add_scalar_computations_to_partition): New.
        (rdg_build_partitions): Call add_scalar_computations_to_partition.

2010-12-14  Joseph Myers  <joseph@codesourcery.com>

        * config/arc/arc.h (LIB_SPEC): Define.
        * config.gcc (arc-*-elf*): Don't use svr4.h.

2010-12-14  Joseph Myers  <joseph@codesourcery.com>

        * config/sh/elf.h (LIB_SPEC): Define.
        * config.gcc (sh-*-elf* | sh[12346l]*-*-elf* | sh-*-symbianelf* |
        sh[12346l]*-*-symbianelf* | sh-*-linux* | sh[2346lbe]*-*-linux* |
        sh-*-netbsdelf* | shl*-*-netbsdelf* | sh5-*-netbsd* |
        sh5l*-*-netbsd* | sh64-*-netbsd* | sh64l*-*-netbsd*, sh-*-rtems*,
        sh-wrs-vxworks): Don't use svr4.h.

2010-12-14  Jan Hubicka  <jh@suse.cz>

        PR lto/46940
        PR lto/44463
        * lto-symtab.c (lto_symtab_merge_cgraph_nodes_1): Construct nodes
        for aliases when they are used.

2010-12-14  Joseph Myers  <joseph@codesourcery.com>

        * config.gcc (sparc-*-elf*, sparc-*-rtems*, sparc-*-linux*,
        sparc-*-netbsdelf*, sparc*-*-solaris2*, sparc-wrs-vxworks,
        sparc64-*-elf*, sparc64-*-rtems*, sparc64-*-linux*,
        sparc64-*-netbsd*, sparc64-*-openbsd*): Don't use svr4.h.

2010-12-14  Thomas Klein  <th.r.klein@web.de>

        * config/arm/arm.c (arm_expand_prologue): Report the static stack
        size if -fstack-usage is used.
        (thumb1_expand_prologue): Likewise.

2010-12-14  Jakub Jelinek  <jakub@redhat.com>

        PR debug/46885
        * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Use gsi_last_bb
        instead of gsi_last_nondebug_bb if bump_in_latch.

        PR tree-optimization/46909
        * gimple-fold.c (and_var_with_comparison_1): Save partial
        result even in the is_and case, if both partial results
        are the same, return it.
        (or_var_with_comparison_1): Use is_or predicate instead of
        innercode == TRUTH_OR_EXPR test.  Save partial result
        even in the is_or case, if both partial results are the
        same, return it.  In the !is_or case when both partial
        results are the same, return the partial result instead
        of boolean_true_node.

2010-12-14  Jan Hubicka  <jh@suse.cz>

        PR middle-end/46667
        * varasm.c (assemble_start_function): Do not call resolve_unique_section.
        * cfgexpand.c (gimple_expand_cfg): Resolve it here.

2010-12-14  Alexander Monakov  <amonakov@ispras.ru>

        PR rtl-optimization/46875
        * sched-vis.c (print_pattern): Dump "sequence" for ADDR_VECs.
        * sel-sched-ir.c (bb_has_removable_jump_to_p): Forbid table jumps.

2010-12-14  Kaushik Phatak <kaushik.phatak@kpitcummins.com>

        * config/h8300/h8300.md (define_split) : Add condition for
        "and with single_zero" splitter to handle 16-bit const operands.
        * config/h8300/h8300.md (define_split) : Add condition for
        "ior with single_one" splitter to handle 16-bit const operands.
        * config/h8300/h8300.md (define_split) : Add condition for
        "xor with single_one" splitter to handle 16-bit const operands. 
        * testsuite/gcc.dg/h8300-bit-insn-ice.c: New.

2010-12-13  Jan Hubicka  <jh@suse.cz>

        PR middle-end/45388
        * ipa.c (cgraph_build_static_cdtor_1): Break out from ... ; add FINAL parameter.
        (cgraph_build_static_cdtor): ... here.
        (build_cdtor): Use cgraph_build_static_cdtor_1.

2010-12-13  Joseph Myers  <joseph@codesourcery.com>

        * config/m32c/m32c.h (ENDFILE_SPEC, LINK_SPEC, SIZE_TYPE,
        PTRDIFF_TYPE, WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
        * config.gcc (m32c-*-rtems*, m32c-*-elf*): Don't use svr4.h.

2010-12-14  Bernd Schmidt  <bernds@codesourcery.com>

        PR rtl-optimization/44374
        Reapply patch with fixes.
        * basic-block.h (enum bb_flags): Add BB_MODIFIED.
        * df-core.c (df_set_bb_dirty): Set it.
        * ifcvt.c (find_memory): Remove function.
        (dead_or_predicable): Use can_move_insns_across.
        * df.h (can_move_insns_across): Declare function.
        * cfgcleanup.c (block_was_dirty): New static variable.
        (flow_find_head_matching_sequence): Test for epilogue notes.
        (try_crossjump_bb, try_forward_edges): Test BB_MODIFIED flag rather
        than df_get_bb_dirty.
        (try_head_merge_bb): New static function.
        (try_optimize_cfg): Call it.  Call df_analyze if block_was_dirty
        is set.
        * df-problems.c: Include "target.h"
        (df_simulate_find_uses): New static function.
        (MEMREF_NORMAL, MEMREF_VOLATILE): New macros.
        (find_memory, find_memory_store): New static functions.
        (can_move_insns_across): New function.
        * Makefile.in (df-problems.o): Update dependencies.

2010-12-13  Joseph Myers  <joseph@codesourcery.com>

        * config/xtensa/elf.h (SIZE_TYPE, PTRDIFF_TYPE): Define.
        (DBX_REGISTER_NUMBER): Undefine.
        * config/xtensa/linux.h (SIZE_TYPE, PTRDIFF_TYPE): Define.
        (DBX_REGISTER_NUMBER): Undefine.
        * config.gcc (xtensa*-*-elf*, xtensa*-*-linux*): Don't use svr4.h.

2010-12-13  Jack Howarth <howarth@bromo.med.uc.edu>
            Joseph Myers <joseph@codesourcery.com>

        PR bootstrap/46650
        * system.h: Include cstring for cxx bootstrap.

2010-12-13  Jakub Jelinek  <jakub@redhat.com>

        PR lto/46879
        * lto-streamer-out.c (output_gimple_stmt): Never replace first
        GIMPLE_DEBUG argument with MEM_REF.

        PR debug/46867
        * var-tracking.c (emitted_notes, string_pointer_flags): Removed.
        (emit_note_insn_var_location): Remove ENABLE_RTL_CHECKING verification.
        (vt_emit_notes): Don't initialize and destroy emitted_notes.

2010-12-13  Nathan Froyd  <froydnj@codesourcery.com>

        PR target/46040
        * config.gcc (arm*-*-linux-*eabi): Use bpabi-lib.h.
        (arm*-*-uclinux*eabi, arm*-*-eabi*): Likewise.

2010-12-13  Joseph Myers  <joseph@codesourcery.com>

        * config/v850/v850.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
        WCHAR_TYPE_SIZE): Define.
        * config.gcc (v850e1-*-*, v850e-*-*, v850-*-*): Don't use svr4.h.

2010-12-13  Joseph Myers  <joseph@codesourcery.com>

        * config.gcc (s390-*-linux*, s390x-*-linux*, s390x-ibm-tpf*):
        Don't use svr4.h.

2010-12-13  Joseph Myers  <joseph@codesourcery.com>

        * config/mn10300/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
        WCHAR_TYPE_SIZE): Undefine.
        * config/mn10300/mn10300.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
        WCHAR_TYPE_SIZE): Define.
        * config.gcc (mn10300-*-*): Don't use svr4.h.

2010-12-13  Joseph Myers  <joseph@codesourcery.com>

        * config/m68k/linux.h (DBX_REGISTER_NUMBER): Undefine and
        redefine.
        (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
        * config.gcc (m68k-*-uclinux*, m68k-*-linux*): Don't use svr4.h.

2010-12-13  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/46756
        * jump.c (mark_all_labels): Skip debug insns.

2010-12-13  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/46782
        * cfgcleanup.c (try_forward_edges): Skip debug insns.

2010-12-12  Jan Hubicka  <jh@suse.cz>
            Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * varasm.c (default_function_section): Check flag_reorder_functions
        and targetm.have_named_sections.
        * config/darwin.c (darwin_function_section): Check
        flag_reorder_functions.

2010-12-12  Finn Thain  <fthain@telegraphics.com.au>

        PR target/46179
        * config/m68k/m68k.c (handle_move_double): Insert calls to
        m68k_final_prescan_insn to clean up @TLS operand syntax.

2010-12-10  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/43023
        * tree-data-ref.c (mem_write_stride_of_same_size_as_unit_type_p):
        Removed.
        (stores_zero_from_loop): Call stmt_stores_zero.
        * tree-data-ref.h (stmt_stores_zero): New.
        * tree-loop-distribution.c (generate_memset_zero): Do not return a
        boolean.  Call gcc_assert on stride_of_unit_type_p.
        (generate_builtin): Call stmt_stores_zero.
        (rdg_flag_all_uses): Removed.
        (rdg_flag_similar_memory_accesses): Removed.
        (build_rdg_partition_for_component): Removed parameter
        other_stores.  Removed call to rdg_flag_similar_memory_accesses.
        (can_generate_builtin): New.
        (similar_memory_accesses): New.
        (fuse_partitions_with_similar_memory_accesses): New.
        (rdg_build_partitions): Call
        fuse_partitions_with_similar_memory_accesses.

2010-12-10  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/46804
        * regmove.c (optimize_reg_copy_3): Look for REG_EQUAL note
        on the setter of src_reg rather than on insn.  If it is
        equal to the setter's original SET_SRC, replace it with its
        zero or sign extension instead of dropping it.

2010-12-10  Richard Guenther  <rguenther@suse.de>

        PR lto/46808
        * lto-symtab.c (lto_symtab_merge_decls_2): Avoid type warnings
        after errors.
        (lto_symtab_merge_decls_1): Adjust.

2010-12-10  Dave Korn  <dave.korn.cygwin@gmail.com>

        PR middle-end/46674
        PR lto/43157
        * target.def (mangle_assembler_name): New target asm_out hook.
        * targhooks.c (default_mangle_assembler_name): Add default hook
        implementation.
        * targhooks.h (default_mangle_assembler_name): Add prototype.
        * lto-symtab.c (lto_symtab_register_decl): Use new hook when
        processing DECL_ASSEMBLER_NAMEs for lto symtabs.
        (lto_symtab_get_resolution): Likewise.
        (lto_cgraph_replace_node): Likewise.
        (lto_symtab_prevailing_decl): Likewise.
        * lto-streamer-out.c (write_symbol): Likewise.
        * doc/tm.texi.in (TARGET_MANGLE_ASSEMBLER_NAME): Add @hook directive.
        * doc/tm.texi: Regenerate.
        * config/i386/cygming.h (TARGET_MANGLE_ASSEMBLER_NAME): Define to
        point at i386_pe_mangle_assembler_name.
        * config/i386/winnt.c (i386_pe_mangle_assembler_name): New function.
        * config/i386/i386-protos.h (i386_pe_mangle_assembler_name): Add
        prototype.

2010-12-10  Nathan Froyd  <froydnj@codesourcery.com>

        * c-typeck.c (readonly_error): Delete.

2010-12-10  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/46865
        * rtl.c (rtx_equal_p_cb, rtx_equal_p): For last operand of
        ASM_OPERANDS and ASM_INPUT if integers are different,
        call locator_eq.
        * jump.c (rtx_renumbered_equal_p): Likewise.

        PR tree-optimization/46864
        * tree-ssa-loop-im.c (loop_suitable_for_sm): Return false even
        when there are EDGE_EH exit edges.

2010-12-10  Tobias Burnus  <burnus@net-b.de>

        PR fortran/46540
        * configure.ac: Handle --disable-libquadmath-support.
        * doc/install.texi: Document --disable-libquadmath and
        --disable-libquadmath-support
        * configure: Regenerate.
        * config.in: Regenerate.

2010-12-10  Jack Howarth  <howarth@bromo.med.uc.edu>
            Iain Sandoe  <iains@gcc.gnu.org>

        PR 43751/target
        * config/darwin9.h (DSYMUTIL_SPEC): Add fortran source types.

2010-12-10  Iain Sandoe <iains@gcc.gnu.org>

        * config/rs6000/rs6000.c
        (rs6000_darwin64_record_arg_advance_recurse): Name register increment
        explicitly.  (rs6000_darwin64_record_arg_recurse): Make sure we split
        long doubles when we run out of regs.   Also flag that this requires
        stack and therefore cannot be returned by value.
        (rs6000_darwin64_record_arg): Update comment.
        (rs6000_function_value): Likewise.

2010-12-10  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-parser.c (c_parser_objc_class_definition): Recognize
        Objective-C 2.0 class extensions.

2010-12-10  Iain Sandoe <iains@gcc.gnu.org>

        * config/darwin.c: Remove c-tree.h and c-lang.h
        * config/t-darwin: Remove dependencies on c-tree.h and c-lang.h.

2010-12-10  Joern Rennecke  <amylaar@spamcop.net>

        PR target/46881
        * doc/tm.texi: Regenerate.
        * target.def: Fix "preferred" spelling.  Refer to rclass by its
        exact name.
        * config/arm/arm.c (arm_preferred_rename_class): Rename parameter class
        to rclass.

2010-12-09  Paul Koning  <ni1d@arrl.net>

        * config/pdp11/pdp11-protos.h (output_move_double,
        output_move_quad): Delete.
        (output_move_multiple, pdp11_expand_operands): New functions.
        (pdp11_action, pdp11_partorder): New enums.
        * config/pdp11/pdp11.md (movdi, movsi, movdf, movsf): Use
        output_move_multiple.
        (adddi3, subdi3, negdi2): New patterns.
        (addsi3, subsi3, negsi2): Use pdp11_expand_operands.
        (abshi2): Delete.
        (neghi2, negqi2): Use PDPint iterator.
        * config/pdp11/pdp11.c (find_addr_reg, output_move_double,
        output_move_quad): Delete.
        (pdp11_expand_operands, output_move_multiple): New functions.

2010-12-09  Joseph Myers  <joseph@codesourcery.com>

        * config/vax/linux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
        * config.gcc (vax-*-linux*): Don't use svr4.h.

2010-12-09  Nathan Froyd  <froydnj@codesourcery.com>

        * c-typeck.c (build_indirect_ref): Call invalid_indirection_error.

2010-12-09  Joseph Myers  <joseph@codesourcery.com>

        * doc/extend.texi (Attribute Syntax): Correct description of
        attributes in pointer declarators.

2010-12-09  Joseph Myers  <joseph@codesourcery.com>

        * config/mips/vxworks.h (DBX_REGISTER_NUMBER): Undefine.
        * config.gcc (mips64*-*-linux* | mipsisa64*-*-linux*,
        mips*-*-linux*, mips-wrs-vxworks): Don't use svr4.h.

2010-12-09  Joseph Myers  <joseph@codesourcery.com>

        * config/mep/mep.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
        WCHAR_TYPE_SIZE): Define.
        * config.gcc (mep-*-*): Don't use svr4.h.

2010-12-09  Joseph Myers  <joseph@codesourcery.com>

        * config/mcore/mcore.h (PTRDIFF_TYPE, WCHAR_TYPE,
        WCHAR_TYPE_SIZE): Define.
        * config/svr3.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
        WCHAR_TYPE_SIZE): Don't define.
        * config.gcc (mcore-*-elf): Don't use svr4.h.

2010-12-09  Joseph Myers  <joseph@codesourcery.com>

        * config.gcc (m32r-*-elf*, m32rle-*-elf*, m32r-*-rtems*,
        m32r-*-linux*, m32rle-*-linux*): Don't use svr4.h.

2010-12-09  Joseph Myers  <joseph@codesourcery.com>

        * config/iq2000/iq2000.h (LINK_SPEC, SIZE_TYPE, PTRDIFF_TYPE,
        WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
        * config.gcc (iq2000*-*-elf*): Don't use svr4.h.

2010-12-09  Joseph Myers  <joseph@codesourcery.com>

        * config.gcc (ia64*-*-linux*, ia64*-*-hpux*): Don't use svr4.h.

2010-12-09  Joseph Myers  <joseph@codesourcery.com>

        * config/pa/pa32-linux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
        * config.gcc (hppa*64*-*-linux*, hppa*-*-linux*): Don't use
        svr4.h.

2010-12-09  Joseph Myers  <joseph@codesourcery.com>

        * config/moxie/moxie.h (LINK_SPEC, SIZE_TYPE, PTRDIFF_TYPE,
        WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
        * config/moxie/rtems.h (LINK_SPEC, SIZE_TYPE, PTRDIFF_TYPE,
        WCHAR_TYPE, WCHAR_TYPE_SIZE): Undefine.
        * config.gcc (moxie-*-elf, moxie-*-uclinux*): Don't use svr4.h.

2010-12-09  Joseph Myers  <joseph@codesourcery.com>

        * config/frv/frv.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
        WCHAR_TYPE_SIZE): Define.
        * config.gcc (frv-*-elf, frv-*-*linux*): Don't use svr4.h.

2010-12-09  Joseph Myers  <joseph@codesourcery.com>

        * config/fr30/fr30.h (LIB_SPEC, LINK_SPEC, SIZE_TYPE,
        PTRDIFF_TYPE, WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
        * config.gcc (fr30-*-elf): Don't use svr4.h.

2010-12-09  Joseph Myers  <joseph@codesourcery.com>

        * config/cris/linux.h (SIZE_TYPE, PTRDIFF_TYPE): Define.
        * config.gcc (crisv32-*-linux* | cris-*-linux*): Don't use svr4.h.

2010-12-09  Richard Guenther  <rguenther@suse.de>

        PR middle-end/46844
        * gimple-fold.c (canonicalize_constructor_val): Canonicalize
        addresses.

2010-12-09  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/netware.h (TARGET_POSIX_IO): Define.
        * config/i386/nto.h (TARGET_POSIX_IO): Define.
        * config/ia64/hpux.h (TARGET_POSIX_IO): Define.
        * config/moxie/moxie.h (TARGET_POSIX_IO): Don't undefine.
        * config/openbsd.h (TARGET_POSIX_IO): Define.
        * config/rtems.h (TARGET_POSIX_IO): Define.
        * config/sh/embed-elf.h (TARGET_POSIX_IO): Don't undefine.
        * config/sol2.h (TARGET_POSIX_IO): Define.
        * config/svr4.h (TARGET_POSIX_IO): Don't define.
        * config/vxworksae.h (TARGET_POSIX_IO): Define.

2010-12-09  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/nto.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Define.
        * config/ia64/hpux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
        Define.
        * config/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Don't
        undefine.
        * config/mips/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Don't
        undefine.
        * config/mips/netbsd.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
        Don't undefine.
        * config/rs6000/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
        Don't undefine.
        * config/rs6000/linux64.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
        Don't undefine.
        * config/sol2.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Define.
        * config/sparc/netbsd-elf.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
        Don't undefine.
        * config/sparc/openbsd64.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
        Don't undefine.
        * config/sparc/sp64-elf.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
        Don't undefine.
        * config/svr4.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Don't
        define.
        * config/xtensa/elf.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Don't
        undefine.

2010-12-09  Joseph Myers  <joseph@codesourcery.com>

        * config/ia64/hpux.h (AS_NEEDS_DASH_FOR_PIPED_INPUT): Define for
        non-GNU assembler.
        * config/m68k/netbsd-elf.h (AS_NEEDS_DASH_FOR_PIPED_INPUT):
        Remove.
        * config/m68k/openbsd.h (AS_NEEDS_DASH_FOR_PIPED_INPUT): Remove.
        * config/mips/openbsd.h (AS_NEEDS_DASH_FOR_PIPED_INPUT): Remove.
        * config/sol2.h (AS_NEEDS_DASH_FOR_PIPED_INPUT): Define for
        non-GNU assembler.
        * config/sparc/sparc.h (AS_NEEDS_DASH_FOR_PIPED_INPUT): Remove.
        * config/svr4.h (AS_NEEDS_DASH_FOR_PIPED_INPUT): Remove.

2010-12-09  Martin Jambor  <mjambor@suse.cz>

        * ipa-prop.c (compute_complex_ancestor_jump_func): Work also if the
        zero is the first phi parameter.

2010-12-09  Martin Jambor  <mjambor@suse.cz>

        * ipa-prop.h (struct ipa_parm_adjustment): New field alias_ptr_type.
        * ipa-prop.c (ipa_modify_call_arguments): Use it.
        * tree-sra.c (splice_param_accesses): Test that all accesses have the
        same alias reference type.
        (turn_representatives_into_adjustments): Set alias_ptr_type of the
        adjustment.

2010-12-09  Martin Jambor  <mjambor@suse.cz>

        PR middle-end/46734
        * tree-sra.c (splice_param_accesses): Check that there are not
        multiple ADDRESSABLE types.

2010-12-09  Joseph Myers  <joseph@codesourcery.com>

        * config/arc/arc.h (ASM_SPEC): Remove %{v}.
        * config/bfin/bfin.h (ASM_SPEC): Remove %{v}.
        * config/cris/cris.h (ASM_SPEC): Remove %{v:-v}.
        * config/fr30/fr30.h (ASM_SPEC): Remove %{v}.
        * config/frv/frv.h (ASM_SPEC): Remove %{v}.
        * config/i386/linux.h (ASM_SPEC): Remove %{v}.
        * config/i386/linux64.h (ASM_SPEC): Remove %{v}.
        * config/i386/mingw-w64.h (ASM_SPEC): Remove %{v}.
        * config/i386/sol2-10.h (ASM_SPEC): Remove %{v}.
        * config/i386/vxworks.h (ASM_SPEC): Remove %{v}.
        * config/i386/x86-64.h (ASM_SPEC): Remove %{v}.
        * config/lm32/lm32.h (ASM_SPEC): Remove %{v}.
        * config/m32r/m32r.h (ASM_SPEC): Remove %{v}.
        * config/m68k/linux.h (ASM_SPEC): Remove %{v:-V}.
        * config/microblaze/microblaze.h (ASM_SPEC): Remove %{v}.
        * config/mips/mips.h (ASM_SPEC): Remove %{v}.
        * config/mips/vxworks.h (ASM_SPEC): Remove %{v}.
        * config/pa/pa-linux.h (ASM_SPEC): Remove %{v:-V}.
        * config/rs6000/freebsd.h (SVR4_ASM_SPEC): Remove %{v}.
        * config/rs6000/linux64.h (ASM_SPEC): Remove %{v:-V}.
        * config/rs6000/vxworks.h (ASM_SPEC): Remove %{v:-v}.
        * config/sparc/openbsd64.h (ASM_SPEC): Remove %{v:-V}.
        * config/svr4.h (SVR4_ASM_SPEC): Remove %{v:-V}.
        * config/xtensa/elf.h (ASM_SPEC): Remove %{v}.
        * config/xtensa/linux.h (ASM_SPEC): Remove %{v}.

2010-12-09  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/openbsdelf.h (LINK_SPEC): Use %{r:} not %{r*:}.
        * config/mips/openbsd.h (LINK_SPEC): Use %{r:} not %{r*:}.
        * config/netbsd-aout.h (NETBSD_LINK_SPEC_AOUT): Use %{r:} not
        %{r*:}.
        * config/netbsd-elf.h (NETBSD_LINK_SPEC_ELF): Use %{r:} not
        %{r*:}.
        * config/sparc/openbsd64.h (LINK_SPEC): Use %{r:} not %{r*:}.
        * config/vax/netbsd-elf.h (LINK_SPEC): Use %{r:} not %{r*:}.

2010-12-09  Joseph Myers  <joseph@codesourcery.com>

        * config/alpha/freebsd.h (LINK_SPEC): Don't use
        %{!dynamic-linker:}.
        * config/alpha/linux-elf.h (LINK_SPEC): Likewise.
        * config/arm/freebsd.h (LINK_SPEC): Likewise.
        * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Likewise.
        * config/bfin/linux.h (LINK_SPEC): Likewise.
        * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC): Likewise.
        * config/frv/linux.h (LINK_SPEC): Likewise.
        * config/i386/freebsd.h (LINK_SPEC): Likewise.
        * config/i386/freebsd64.h (LINK_SPEC): Likewise.
        * config/i386/linux.h (LINK_SPEC): Likewise.
        * config/i386/linux64.h (LINK_SPEC): Likewise.
        * config/i386/openbsdelf.h (LINK_SPEC): Likewise.
        * config/ia64/freebsd.h (LINK_SPEC): Likewise.
        * config/ia64/linux.h (LINK_SPEC): Likewise.
        * config/lm32/uclinux-elf.h (LINK_SPEC): Likewise.
        * config/m32r/linux.h (LINK_SPEC): Likewise.
        * config/m68k/linux.h (LINK_SPEC): Likewise.
        * config/microblaze/linux.h (LINK_SPEC): Likewise.
        * config/mips/linux.h (LINK_SPEC): Likewise.
        * config/mips/linux64.h (LINK_SPEC): Likewise.
        * config/mips/openbsd.h (LINK_SPEC): Likewise.
        * config/mn10300/linux.h (LINK_SPEC): Likewise.
        * config/netbsd-elf.h (LINK_SPEC): Likewise.
        * config/pa/pa-linux.h (LINK_SPEC): Likewise.
        * config/rs6000/linux64.h (LINK_OS_LINUX_SPEC32,
        LINK_OS_LINUX_SPEC64): Likewise.
        * config/rs6000/sysv4.h (LINK_OS_FREEBSD_SPEC,
        LINK_OS_LINUX_SPEC, LINK_OS_GNU_SPEC, LINK_OS_NETBSD_SPEC):
        Likewise.
        * config/s390/linux.h (LINK_SPEC): Likewise.
        * config/sh/linux.h (SUBTARGET_LINK_SPEC): Likewise.
        * config/sparc/freebsd.h (LINK_SPEC): Likewise.
        * config/sparc/linux.h (LINK_SPEC): Likewise.
        * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
        LINK_SPEC): Likewise.
        * config/sparc/openbsd64.h (LINK_SPEC): Likewise.
        * config/vax/linux.h (LINK_SPEC): Likewise.
        * config/xtensa/linux.h (LINK_SPEC): Likewise.

2010-12-09  Joseph Myers  <joseph@codesourcery.com>

        * config/bfin/bfin.h (ASM_SPEC): Remove %{n} and %{T}.
        * config/frv/frv.h (ASM_SPEC): Likewise.
        * config/i386/sol2-10.h (ASM_SPEC): Likewise.
        * config/i386/sol2.h (ASM_SPEC): Likewise.
        * config/m68k/linux.h (ASM_SPEC): Likewise.
        * config/pa/pa-linux.h (ASM_SPEC): Likewise.
        * config/rs6000/linux64.h (ASM_SPEC32): Likewise.
        * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
        * config/sol2.h (ASM_SPEC): Likewise.
        * config/sparc/linux.h (ASM_SPEC): Likewise.
        * config/sparc/linux64.h (ASM_SPEC): Likewise.
        * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
        * config/sparc/sysv4.h (ASM_SPEC): Likewise.
        * config/svr4.h (SVR4_ASM_SPEC): Likewise.

2010-12-09  Richard Guenther  <rguenther@suse.de>

        * reginfo.c (struct subregs_of_mode_node): Remove.
        (subregs_of_mode): Likewise.
        (som_hash): Likewise.
        (som_eq): Likewise.
        (invalid_mode_changes): New bitmap.
        (record_subregs_of_mode): Get subregs_of_mode argument.
        Fill in invalid_mode_changes bitmap.
        (find_subregs_of_mode): Get subregs_of_mode argument and pass
        it through.
        (init_subregs_of_mode): Adjust.
        (finish_subregs_of_mode): Likewise.
        (invalid_mode_change_p): Query invalid_mode_changes bitmap.

2010-12-09  Richard Guenther  <rguenther@suse.de>

        * ira.c (ira): Do not call finish_subregs_of_mode.
        * ira-costs.c (finish_costs): Call finish_subregs_of_mode.

2010-12-09  Richard Guenther  <rguenther@suse.de>

        * rtl.h (invalid_mode_change_p): Adjust prototype.
        * reginfo.c (invalid_mode_change_p): Remove from argument.
        * ira-costs.c (print_allocno_costs): Adjust callers.
        (find_costs_and_classes): Likewise.

2010-12-09  Jakub Jelinek  <jakub@redhat.com>

        * config/s390/s390.md (*mov<mode>cc): Change lgoc and stgoc to
        locg and stocg even in comment.
        (sync_old_<atomic><mode>): Give mode to UNSPEC_VOLATILE.

        PR target/41082
        * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Use stvx
        instead of stve*x.
        (altivec_expand_stv_builtin): For op0 use mode of operand 1 instead
        of operand 0.
        * config/rs6000/altivec.md (VI_scalar): New mode attr.
        (altivec_stve<VI_char>x, *altivec_stvesfx): Use scalar instead of
        vector mode for operand 0, put operand 1 into UNSPEC.

2010-12-09  Yao Qi  <yao@codesourcery.com>

        * config/arm/arm.c (arm_preferred_rename_class): Implement targethook
        PREFERRED_RENAME_CLASS.

2010-12-08  Ian Lance Taylor  <iant@google.com>

        * doc/sourcebuild.texi (Front End): Remove reference to
        snapshot-README and snapshot-index.html.

2010-12-08  Ian Lance Taylor  <iant@google.com>

        * doc/sourcebuild.texi (Texinfo Manuals): Change update_web_docs
        to update_web_docs_svn.
        (Front End): Likewise.

2010-12-08  Iain Sandoe <iains@gcc.gnu.org>

        gcc/config.gcc (with_cpu): Default i[34567]86-*-darwin* and
        x86_64-*-darwin* to with_cpu:-core2.
        gcc/config/i386/mmx.md (*mov<mode>_internal_rex64): Replace movq
        with movd for darwin assembler.
        gcc/config/i386/sse.md (*vec_concatv2di_rex64_sse4_1): Ditto.
        (*vec_concatv2di_rex64_sse): Ditto.

2010-12-08  Richard Guenther  <rguenther@suse.de>
            Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/45230
        PR tree-optimization/45231
        PR tree-optimization/45370
        * sese.c (rename_uses): Returns a bool.  Call
        recompute_tree_invariant_for_addr_expr only on the RHS of a
        GIMPLE_ASSIGN.
        (graphite_copy_stmts_from_block): Call fold_stmt_inplace when
        rename_uses returns true.
        * tree-ssa-copy.c (replace_exp): Add a comment about calling
        fold_stmt_inplace after replace_exp.

2010-12-08  Mike Stump  <mikestump@comcast.net>

        PR debug/46749
        * config/darwin.h (COLLECT_RUN_DSYMUTIL): Add.
        (DSYMUTIL_SPEC): Use `linker' flags instead to handle lto better.
        * config/darwin9.h (COLLECT_RUN_DSYMUTIL): Add.
        (DSYMUTIL_SPEC): Use `linker' flags instead to handle lto better.
        * collect2.c (post_ld_pass): Add.
        (process_args): Add.
        (maybe_run_lto_and_relink): Call post_ld_pass after ld.
        (main): Likewise.  Call process_args.

2010-12-08  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/46844
        * regrename.c (check_new_reg_p): Add ATTRIBUTE_UNUSED to reg
        parameter.

2010-12-08  Richard Earnshaw  <rearnsha@arm.com>

        PR target/46631
        * arm.c (thumb2_reorg): Also try to reduce <commutative_op> Rd, Rn, Rd
        into a 16-bit instruction.

2010-12-08  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR middle-end/42694
        * builtins.c (expand_builtin_pow_root): Don't optimize pow(x,y)
        where y is 0.25, 1./6., or 0.75 if the target does not have a sqrt
        instruction, but do optimize if y is 0.5 or 1./3. since that
        changes an expensive call into a cheaper one.

2010-12-08  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use a shift
        instead of a division to divide by BITS_PER_UNIT.

2010-12-08  Richard Guenther  <rguenther@suse.de>

        * gimplify.c (gimple_tree_eq): Assert hashes are equal only
        when checking is enabled.

2010-12-07  Andrey Belevantsev  <abel@ispras.ru>

        PR target/43603
        * haifa-sched.c (sched_create_recovery_edges): Update
        dominator info.
        * sel-sched-ir.c (maybe_tidy_empty_bb): Update dominator info
        after deleting an empty block.
        (tidy_control_flow): Also verify dominators.
        (sel_remove_bb): Update dominator info after removing a block.
        (sel_redirect_edge_and_branch_force): Assert that no unreachable
        blocks will be created. Update dominator info.
        (sel_redirect_edge_and_branch): Update dominator info when
        basic blocks do not become unreachable.
        (sel_remove_loop_preheader): Update dominator info.

2010-12-07  Richard Guenther  <rguenther@suse.de>

        * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref):
        Reset alignment information.
        (bump_vector_ptr): Likewise.

2010-12-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR middle-end/46671
        PR target/46685
        * config/pa/pa.c (pa_function_section): New function.
        (TARGET_ASM_FUNCTION_SECTION): Define.

2010-12-07  Ian Lance Taylor  <iant@google.com>
            Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR bootstrap/46810
        * configure.ac: Disable AC_MSG_ERROR while looking for the C++
        preprocessor.
        * configure: Rebuild.

2010-12-07  Paul Koning  <ni1d@arrl.net>

        * config/pdp11/pdp11.c (output_addr_const_pdp11): Output negative
        values with sign rather than as unsigned.

2010-12-07  Paul Koning  <ni1d@arrl.net>

        * config/pdp11/pdp11.c (TARGET_ASM_FUNCTION_SECTION): Define.
        (pdp11_function_section): New function.

2010-12-07  Joseph Myers  <joseph@codesourcery.com>

        * config/mcore/mcore.c Don't include assert.h.
        (layout_mcore_frame, handle_structs_in_regs): Use gcc_assert.
        * config/spu/spu.c: Don't include assert.h.
        (spu_sms_res_mii): Use gcc_assert.

2010-12-07  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/42327
        * tree-data-ref.c (omega_setup_subscript): Call build_int_cst
        instead of using integer_minus_one_node.

2010-12-07  Nathan Froyd  <froydnj@codesourcery.com>

        PR c++/45330
        * params.def (CXX_MAX_NAMESPACES_FOR_DIAGNOSTIC_HELP): New parameter.
        * doc/invoke.texi (cxx-max-namespaces-for-diagnostic-help): Document.

2010-12-07  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/46832
        * tree-ssa-math-opts.c (execute_optimize_widening_mul): Check
        that the call has a lhs.

2010-12-07  Yao Qi  <yao@codesourcery.com>

        * Makefile.in: Add $(TARGET_H) to the regrename.o rule.
        * regrename.c (struct du_head): Add new element length.
        (sort_du_head, get_element, merge, merge_sort_comparison):
        New functions of merge sort implementation to du_head list.
        (regrename_optimize): Sort du_head linked list by length.
        Iterate registers in a preferred-register-first order.
        Move some code to ...
        (check_new_reg_p): here.  New function.
        (create_new_chain):  Initialize length.
        (scan_rtx_reg): Increase length for non-debug insns.
        * target.def: New hook preferred_rename_class.
        * targhook.c (default_preferred_rename_class): New.
        * targhook.h: Declare it.
        * doc/tm.texi.in: New hook TARGET_PREFERRED_RENAME_CLASS.
        * doc/tm.texi: Regenerate.

2010-12-07  Jakub Jelinek  <jakub@redhat.com>

        PR debug/46799
        * tree-parloops.c (separate_decls_in_region): Use UNKNOWN_LOCATION
        instead of BUILTINS_LOCATION.
        (create_loop_fn): Add LOC argument, pass it to build_decl instead of
        BUILTINS_LOCATION.
        (create_parallel_loop): Add LOC argument, use it for OMP clauses
        and GIMPLE_*OMP* statements.
        (gen_parallel_loop): Determine locus for the parallel loop, pass it
        to create_loop_fn and create_parallel_loop.
        * cfgexpand.c (gimple_expand_cfg): For builtin functions, call
        set_curr_insn_source_location (UNKNOWN_LOCATION).

2010-12-07  Joern Rennecke  <amylaar@spamcop.net>
            Richard Guenther  <rguenther@suse.de>

        PR target/46737
        * config/bfin/bfin.c (BB_AUX_INDEX): Cast to intptr_t.
        (bfin_reorder_loops): Change type of index to intptr_t.

2010-12-07  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/46726
        * tree-inline.c (estimate_num_insns): Special case pow (x, 2.0).

2010-12-07  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-math-opts.c (execute_optimize_widening_mul): Unlink
        virtual operands.

2010-12-07  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-parser.c (c_parser_typeof_specifier): Removed special
        treatment of objc_volatilized attribute for Objective-C.

2010-12-06  Vladimir Makarov  <vmakarov@redhat.com>

        * ira.c (update_equiv_regs): Prohibit move insns if
        pressure-sensitive scheduling was done.

2010-12-06  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-parser.c (c_parser_for_statement): Use c_fully_fold() instead
        of c_process_expr_stmt() for the iterating and collection
        expressions of an Objective-C fast enumeration loop.

2010-12-06  Jakub Jelinek  <jakub@redhat.com>

        PR debug/45997
        * dwarf2out.c (modified_type_die): If both is_const_type and
        is_volatile_type is set, start with DW_TAG_const_type or
        DW_TAG_volatile_type depending on where we get qualified type
        in the recursive call.

        PR target/43897
        * config/ia64/ia64.c (rtx_needs_barrier): Handle asm CLOBBER
        as a store into that register.

        PR tree-optimization/46528
        PR debug/46338
        * profile.c (branch_prob): Make sure last is never set to a debug
        stmt.

        PR debug/46771
        * reginfo.c (init_subregs_of_mode): Don't call find_subregs_of_mode
        on DEBUG_INSNs.

        PR rtl-optimization/46777
        * cfglayout.c (duplicate_insn_chain): Avoid duplicating
        also barrier after tablejump.

2010-12-06  Joern Rennecke  <amylaar@spamcop.net>
            Richard Henderson  <rth@redhat.com>

        PR target/46740
        * config/vax/vax.c (vax_output_int_move): Fold #if into if.

2010-12-06  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sparc/sol2.h (PUSHSECTION_FORMAT): Redefine unconditionally.
        * config/sparc/sol2-gas.h (PUSHSECTION_FORMAT): Redefine.

2010-12-06  Joern Rennecke  <amylaar@spamcop.net>

        PR target/46735
        * config/frv/predicates.md (gpr_or_int12_operand): Use IN_RANGE.
        (gpr_fpr_or_int12_operand, gpr_or_int10_operand): Likewise.
        (int12_operand, int_2word_operand, uint16_operand): Likewise.
        (fpr_or_int6_operand, int6_operand, int5_operand): Likewise.
        (uint5_operand, uint4_operand): Likewise.
        * config/frv/frv.h (IN_RANGE_P): Delete.
        (GPR_P, FPR_P, CC_P, ICC_P, FCC_P, CR_P, ICR_P, FCR_P): Use IN_RANGE.
        (ACC_P, ACCG_P, SPR_P, CONST_OK_FOR_I, CONST_OK_FOR_J): Likewise.
        (CONST_OK_FOR_L, CONST_OK_FOR_M, CONST_OK_FOR_N): Likewise.
        (CONST_OK_FOR_P): Likewise.
        * config/frv/frv.md (*movqicc_internal2_int): Likewise.
        (*movqicc_internal2_float, *movhicc_internal2_int): Likewise.
        (*movhicc_internal2_float, *movsicc_internal2_int): Likewise.
        (*movsicc_internal2_float, casesi): Likewise.
        * config/frv/frv.c (frv_frame_offset_rtx): Likewise.
        (frv_asm_output_mi_thunk, frv_legitimate_address_p_1): Likewise.
        (frv_emit_movsi, output_move_single, frv_emit_cond_move): Likewise.
        (frv_split_cond_move, frv_rtx_costs): Likewise.

        PR target/46739
        * config/mmix/mmix.c (mmix_intval): Split shift count.

2010-12-06  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (m_COREI7): New.
        (initial_ix86_tune_features): Turn on
        X86_TUNE_SSE_UNALIGNED_LOAD_OPTIMAL and
        X86_TUNE_SSE_UNALIGNED_STORE_OPTIMAL for Core i7.

2010-12-06  H.J. Lu  <hongjiu.lu@intel.com>

        * config.gcc: Allow corei7-avx for --with-arch/--with-cpu.

        * config/i386/driver-i386.c (host_detect_local_cpu): Support
        Sandy Bridge.

        * config/i386/i386.c (override_options): Handle "corei7-avx".

        * doc/invoke.texi: Document corei7-avx.

2010-12-06  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/46806
        * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Do not
        coalesce different types.

2010-12-06  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/46785
        * tree-vect-loop.c (vect_is_simple_reduction_1): Also allow
        call statements as operand definition.

2010-12-06  Mingjie Xing  <mingjie.xing@gmail.com>

        * doc/tm.texi.in: Fix typo.
        * doc/tm.texi: Regenerate.

2010-12-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * config.gcc [hppa[12]*-*-hpux10*, hppa[12]*-*-hpux11*]: Fix typo in
        last change.

2010-12-06  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-family/c-common.h: Removed the declarations of all the objc_
        callbacks, and moved them into c-objc.h.  Removed
        objc_ivar_visibility_kind and moved it into c-objc.h.
        * c-family/c-objc.h: New file.
        * c-family/c-common.c: Include c-objc.h.
        * c-family/c-format.c: Same change.
        * c-family/stub-objc.c: Same change.
        * c-decl.c: Include c-family/c-objc.h.
        * c-parser.c: Same change.
        * c-typeck.c: Same change.
        * c-config-lang.in (gtfiles): Added c-family/c-objc.h.
        * Makefile.in (c-decl.o): Depend on c-family/c-objc.h.
        (c-parser.o): same change.
        (c-typeck.o): Same change.
        (c-family/c-format.o): Same change.
        (c-family/stub-objc.o): Same change.
        (c-family/c-common.o): Same change.
        (PLUGIN_HEADERS): Added c-family/c-objc.h.

2010-12-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * config.gcc [hppa[12]*-*-hpux10*, hppa[12]*-*-hpux11*]:  Ignore
        --with-dwarf2 option.

2010-12-03  Jan Hubicka  <jh@suse.cz>

        * lto-streamer-in.c (input_cfg): Fix pasto.

2010-12-03  Jan Hubicka  <jh@suse.cz>

        * ipa.c (cgraph_externally_visible_p): Do not localize builtins
        and functions with user asm defined names.
        (varpool_externally_visible_p): Do not localize vars with user
        asm defined names.

2010-12-03  Jan Hubicka  <jh@suse.cz>

        * dwarf2asm.c (dw2_output_indirect_constant_1): Set DECL_ASSEMBLER_NAME
        to prevent mangling with lto frontend.

2010-12-03  Jan Hubicka  <jh@suse.cz>

        * Makefile.in (LTO_STREAMER_H): Add GCOV_IO_H.
        * lto-cgraph.c (merge_profile_summaries): Fix thinko.

2010-12-03  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/46760
        * cgraph.c (cgraph_create_node): Initialize count_materialization_scale.
        * cgraph.h (struct cgraph_node): Add count_materialization_scale.
        * lto-cgraph.c (lto_output_edge): Fix assert.
        (lto_output_node): Output count_materialization_scale.
        (output_profile_summary): Output only runs and sum_max.
        (input_node): Input count_materialization_scale.
        (input_profile_summary): Read data into file specific gcov summary.
        (merge_profile_summaries): New function.
        (input_cgraph): Update call of input_profile_summary;
        call merge_profile_summaries.
        * lto-streamer-in.c (input_cfg): Add count_materialization_scale arg;
        rescale counts at read in.
        (intput_bb): Likewise.
        (input_function): Update call of input_bb.
        (lto_read_body): Update call of input_cfg.
        * lto-streamer.h: Inlclude gcov-io.h
        (lto_file_decl_data): Add gcov_ctr_summary.

2010-12-03  Dave Korn  <dave.korn.cygwin@gmail.com>

        * doc/tm.texi.in (Cond. Exec. Macros): Rename node from this ...
        (Cond Exec Macros): ... to this.
        * doc/tm.texi: Regenerate.

2010-12-03  Jason Merrill  <jason@redhat.com>

        PR debug/46123
        * dwarf2out.c (gen_tagged_type_die): Don't put local types in
        a declaration DIE.

2010-12-03  Nathan Froyd  <froydnj@codesourcery.com>

        * config/arm/arm.c (arm_legitimate_index_p): Split
        VALID_NEON_QREG_MODE and VALID_NEON_DREG_MODE cases.  Permit
        slightly larger constants in the latter case.
        (thumb2_legitimate_index_p): Likewise.

2010-12-03  Joseph Myers  <joseph@codesourcery.com>

        * common.opt (N, Q, Qn, Qy, Z, n, r, s, t): New options.
        * gcc.c (cc1_options): Add %{Qy:}.

2010-12-03  Joseph Myers  <joseph@codesourcery.com>

        * gcc.c (LINK_COMMAND_SPEC): Don't handle -A, -d or -m.
        * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
        * config/i386/djgpp.h (LINK_COMMAND_SPEC): Likewise.

2010-12-03  Alexander Monakov  <amonakov@ispras.ru>

        PR rtl-optimization/45354
        * sel-sched-ir.c (jump_leads_only_to_bb_p): Rename to ...
        (bb_has_removable_jump_to_p): This.  Update all callers. Make static.
        Allow BBs ending with a conditional jump.  Forbid EDGE_CROSSING jumps.
        * sel-sched-ir.h (jump_leads_only_to_bb_p): Delete prototype.

2010-12-03  Laurynas Biveinis  <laurynas.biveinis@gmail.com>

        * basic-block.h (struct edge_prediction): Remove forward
        declaration.
        * tree-flow.h (struct edge_prediction): Move from here...
        * predict.c (struct edge_prediction): ...to here.
        * cselib.h (struct elt_list): Move from here...
        * cselib.c (struct elt_list): ...to here.

2010-12-02  Ian Lance Taylor  <iant@google.com>

        * gcc.c (default_compilers): Add entry for ".go".
        * common.opt: Add -static-libgo as a driver option.
        * doc/install.texi (Configuration): Mention libgo as an option for
        --enable-shared.  Mention go as an option for --enable-languages.
        * doc/invoke.texi (Overall Options): Mention .go as a file name
        suffix.  Mention go as a -x option.
        * doc/frontends.texi (G++ and GCC): Mention Go as a supported
        language.
        * doc/sourcebuild.texi (Top Level): Mention libgo.
        * doc/standards.texi (Standards): Add section on Go language.
        Move references for other languages into their own section.
        * doc/contrib.texi (Contributors): Mention that I contributed the
        Go frontend.

2010-12-03  Laurynas Biveinis  <laurynas.biveinis@gmail.com>

        * tree.h (struct call_expr_arg_iterator_d): Remove GTY tag.
        (const_call_expr_arg_iterator_d): Likewise.
        (expanded_location): Likewise.
        * c-tree.h (struct c_arg_tag_d): Likewise.
        * dwarf2out.c (struct cfa_loc): Likewise.
        (struct skeleton_chain_struct): Likewise.
        * except.c (struct ttypes_filter): Likewise.
        * cselib.h (struct cselib_val_struct): Likewise.
        (elt_loc_list): Likewise.
        (elt_list): Likewise.
        * varasm.c (struct addr_const): Likewise.
        * tree-flow.h (struct edge_prediction): Likewise.
        (struct int_tree_map): Likewise.
        (struct _edge_var_map): Likewise.

2010-12-02  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/46768
        * config/i386/i386.c (initial_ix86_tune_features): Turn on
        X86_TUNE_INTER_UNIT_MOVES for Core 2 and Core i7.

2010-12-02  H.J. Lu  <hongjiu.lu@intel.com>

        * config.gcc: Allow corei7 for --with-arch=/--with-cpu=.

2010-12-02  Ian Lance Taylor  <iant@google.com>

        * configure.ac: AC_DEFINE ENABLE_BUILD_WITH_CXX.  Check for C++
        header files unordered_map, tr1/unordered_map, and ext/hash_map.
        * configure, config.in: Rebuild.

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

        PR target/46685
        * config/sparc/sparc.c (can_use_mov_pic_label_ref): New predicate.
        (sparc_expand_move): Call it to decide whether to emit the special
        mov{si,di}_pic_label_ref patterns.
        (sparc_legitimize_pic_address): Call it to decide whether to emit
        the regular PIC sequence for labels.  Fix long line.
        (sparc_file_end): Set is_thunk for the PIC helper.

2010-12-02  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.c (build_range_type_1): Do not SET_TYPE_STRUCTURAL_EQUALITY
        for a non-shared type.

2010-12-02  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/45297
        * tree-scalar-evolution.c (interpret_rhs_expr): Handle ADDR_EXPR
        with MEM_REFs as POINTER_PLUS_EXPR.

2010-12-02  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/linux.h, config/m32r/linux.h, config/m68k/linux.h,
        config/sparc/linux.h, config/sparc/linux64.h: Remove comments
        mentioning /lib/elf.

2010-12-02  Joseph Myers  <joseph@codesourcery.com>

        * config/bfin/bfin.h (LINK_SPEC): Remove %{b}.
        * config/frv/frv.h (LINK_SPEC): Remove %{b}.
        * config/i386/netware.h (LINK_SPEC): Remove %{b}.
        * config/i386/nto.h (LINK_SPEC): Remove %{b}.
        * config/lm32/uclinux-elf.h (LINK_SPEC): Remove %{b}.
        * config/sol2.h (LINK_SPEC): Remove %{b}.
        * config/svr4.h (LINK_SPEC): Remove %{b}.

2010-12-02  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/freebsd.h (LINK_SPEC): Cut long comment.
        * config/i386/linux.h (LINK_SPEC): Cut long comment.
        * config/i386/netware.h (LINK_SPEC): Remove %{V}.
        * config/m32r/linux.h (LINK_SPEC): Cut long comment.
        * config/m68k/linux.h (LINK_SPEC): Cut long comment.
        * config/sparc/linux.h (LINK_SPEC): Cut long comment.
        (ASM_SPEC): Remove %{V} and %{v:%{!V:-V}}.
        * config/sparc/linux64.h (LINK_SPEC): Cut long comment.
        (ASM_SPEC): Remove %{V} and %{v:%{!V:-V}}.
        * config/sparc/netbsd-elf.h (ASM_SPEC): Remove %{V} and
        %{v:%{!V:-V}}.

2010-12-02  Joseph Myers  <joseph@codesourcery.com>

        * gcc.c (trad_capable_cpp, default_compilers): Don't handle
        -ftraditional.

2010-12-02  Joseph Myers  <joseph@codesourcery.com>

        * config/alpha/freebsd.h (LINK_SPEC): Don't handle -Wl,.
        * config/bfin/bfin.h (ASM_SPEC): Don't handle -Wa,.
        * config/frv/frv.h (ASM_SPEC): Don't handle -Wa,.
        * config/lm32/uclinux-elf.h (LINK_SPEC): Don't handle -Wl,.
        * config/microblaze/microblaze.h (LINK_SPEC): Don't handle -Wl,.
        * config/mn10300/linux.h (ASM_SPEC): Don't handle -Wa,.
        * config/pa/pa-linux.h (ASM_SPEC): Don't handle -Wa,.
        * config/rs6000/freebsd.h (SVR4_ASM_SPEC): Don't handle -Wa,.
        * config/rs6000/linux64.h (ASM_SPEC_COMMON): Don't handle -Wa,.
        * config/rs6000/sysv4.h (LINK_SPEC): Don't handle -Wl,.
        * config/rs6000/vxworks.h (ASM_SPEC): Don't handle -Wa,.
        * config/sol2.h (ASM_SPEC): Don't handle -Wa,.
        * config/sparc/linux.h (ASM_SPEC): Don't handle -Wa,.
        * config/sparc/linux64.h (ASM_SPEC): Don't handle -Wa,.
        * config/sparc/sp-elf.h (ASM_SPEC): Don't handle -Wa,.
        * config/sparc/sysv4.h (ASM_SPEC): Don't handle -Wa,.
        * config/svr4.h (SVR4_ASM_SPEC): Don't handle -Wa,.
        * config/vxworks.h (VXWORKS_LINK_SPEC): Don't handle -Wl,.

2010-12-02  Paul Koning  <ni1d@arrl.net>

        * config/pdp11/pdp11.c (output_jump): Map unsigned to signed
        opcodes if CC_NO_OVERFLOW is set.
        (notice_update_cc_on_set): Correct setting of CC0 as a side
        effect; set CC_NO_OVERFLOW for cases where C flag is not
        meaningful.

2010-12-02  Ian Lance Taylor  <iant@google.com>

        * doc/install.texi (Configuration): Update default for
        --with-boot-ldflags.

2010-12-02  Nathan Froyd  <froydnj@codesourcery.com>

        PR c/45062
        * c-decl.c (grokparms): Set arg_info->parms to NULL_TREE when
        !funcdef_flag.

2010-12-02  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/45199
        * tree-data-ref.c (mem_write_stride_of_same_size_as_unit_type_p): New.
        (stores_zero_from_loop): Call
        mem_write_stride_of_same_size_as_unit_type_p.
        * tree-data-ref.h (stride_of_unit_type_p): New.
        * tree-loop-distribution.c (generate_memset_zero): Simplified.
        Call stride_of_unit_type_p.
        (build_rdg_partition_for_component): Do not call
        rdg_flag_similar_memory_accesses when
        flag_tree_loop_distribute_patterns is set.

2010-12-02  Richard Guenther  <rguenther@suse.de>

        * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Disregard
        sign-changing conversions for induction detection.

2010-12-02  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/46723
        * tree-vect-loop.c (get_initial_def_for_induction): Strip
        conversions from the induction evolution and apply it to
        the result instead.
        * tree-vect-stmts.c (vect_get_vec_def_for_operand): Handle
        assigns for induction defs.

2010-12-02  Richard Guenther  <rguenther@suse.de>

        * value-prof.c (gimple_ic): Use stmt_ends_bb_p to detect
        the case we need to split the edge and not the block.

2010-12-02  Bernd Schmidt  <bernds@codesourcery.com>

        DFA model for Core 2 and Core i7 scheduling.

        * config/i386/core2.md: New DFA model for Core 2 and Core i7.
        * config/i386/i386.c (ix86_option_override_internal): Update entries
        for Core 2 and Core i7.
        (ix86_issue_rate): Set issue rate to 3 [be realistic].
        * config/i386/i386.md: Include "core2.md".
        (define_attr cpu): Add "corei7".

2010-12-02  Maxim Kuvyrkov  <maxim@codesourcery.com>

        Define tuning for Core 2 and Core i7.

        * config/i386/i386-c.c (ix86_target_macros_internal): Update.
        * config/i386/i386.c (core2_cost): Delete, use generic costs instead.
        (m_CORE2): Replace with m_CORE2_{32,64}.
        (m_CORE2I7{,_32,_64}): New macros.
        (m_GENERIC32, m_GENERIC64): Update.
        (initial_ix86_tune_features, x86_accumulate_outgoing_args,)
        (x86_arch_always_fancy_math_387): Set m_CORE2I7_32 iff m_GENERIC32 and
        set m_CORE2I7_64 iff m_GENERIC64.
        (processor_target_table): Use generic costs for Core 2 and Core i7.
        (ix86_option_override_internal): Update entries for Core 2 and Core i7.
        (ix86_issue_rate): Remove entry for Core 2.
        (ia32_multipass_dfa_lookahead, ix86_sched_init_global): Update.
        * config/i386/i386.h (TARGET_CORE2_32, TARGET_CORE2_64): New macros.
        (TARGET_CORE2): Update.
        (PROCESSOR_CORE2_32, PROCESSOR_CORE2_64): New constants.
        (PROCESSOR_CORE2): Remove.

2010-12-02  Richard Guenther  <rguenther@suse.de>

        * lto-streamer.h (LTO_major_version): Bump to 2.

2010-12-02  Richard Guenther  <rguenther@suse.de>

        PR lto/44871
        * gimple.c (canonical_type_hash_cache): New hashtable.
        (gimple_type_hash): Make a wrapper around ...
        (gimple_type_hash_1): ... this.  Take gtc_mode argument.
        (gimple_canonical_type_hash): Likewise.
        (gtc_visit): Take a gtc_mode argument.
        (gimple_types_compatible_p_1): Likewise. Do not compare struct
        tag names or field names when computing canonical types.
        (gimple_types_compatible_p): Adjust.
        (visit): Take a gtc_mode argument.
        (iterative_hash_gimple_type): Likewise.  Do not hash struct tag
        names or field names when computing hashes of canonical types.
        (gimple_register_canonical_type): Use gimple_canonical_type_hash
        for the hash.
        (print_gimple_types_stats): Dump stats of canonical_type_hash_cache.
        (free_gimple_type_tables): Free canonical_type_hash_cache.

2010-12-02  Richard Guenther  <rguenther@suse.de>
            Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/46663
        * tree-vect-patterns.c (vect_recog_pow_pattern): Check that
        FUNCTION_DECL exists and that it's a builtin.

2010-12-02  Jie Zhang  <jie@codesourcery.com>

        PR middle-end/46674
        * varasm.c (compute_visible_aliases): Handle user set
        assembler name.

2010-12-01  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/rs6000.c (rs6000_option_override_internal): Fix
        thinko regarding setting -mno-<xxx> debug switches.
        (rs6000_rtx_costs): Add FMA.  Delete old rtl based FMA costs.

2010-12-01  Joseph Myers  <joseph@codesourcery.com>

        * intl.c: Don't include tm.h.
        * Makefile.in (intl.o): Don't depend on $(TM_H).

2010-12-01  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (analyze_drs_in_stmts): Fix set but
        unused warning.
        (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.

2010-12-01  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (analyze_drs): Removed.
        (build_scop_drs): Do not call analyze_drs.
        (analyze_drs_in_stmts): New.
        (insert_stmts): New.
        (insert_out_of_ssa_copy): Call analyze_drs_in_stmts.
        (insert_out_of_ssa_copy_on_edge): Same.
        (rewrite_close_phi_out_of_ssa): Call insert_stmts.
        (rewrite_phi_out_of_ssa): Same.
        (rewrite_cross_bb_scalar_dependence): Same.
        (split_reduction_stmt): Move data references in the new basic blocks.
        (translate_scalar_reduction_to_array_for_stmt): Call insert_stmts.

2010-12-01  Sebastian Pop  <sebastian.pop@amd.com>

        * sese.c (rename_uses): Do not handle ADDR_EXPR in LHS of assignments.

2010-12-01  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/45297
        * graphite-poly.c (new_poly_bb): Returns a poly_bb_p.  Do not take
        the reduction bool in parameter.  Clear PBB_IS_REDUCTION.  Set GBB_PBB.
        * graphite-poly.h (new_poly_bb): Update declaration.
        (gbb_from_bb): Moved here...
        (pbb_from_bb): New.
        * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node):
        Removed.
        (graphite_stmt_p): Removed.
        (try_generate_gimple_bb): Returns a gimple_bb_p.  Do not pass in
        sbitmap reductions.  Always build a gimple_bb_p.  Do not call
        new_poly_bb.
        (build_scop_bbs_1): Do not pass in sbitmap reductions.
        (build_scop_bbs): Same.
        (gbb_from_bb): ... from here.
        (add_conditions_to_constraints): Moved up.
        (analyze_drs): New.
        (build_scop_drs): Call analyze_drs.  Remove all the PBBs that do
        not contain data references.
        (new_pbb_from_pbb): New.
        (insert_out_of_ssa_copy_on_edge): Call new_pbb_from_pbb after a
        block is split.
        (rewrite_close_phi_out_of_ssa): Update call to
        insert_out_of_ssa_copy_on_edge.
        (rewrite_reductions_out_of_ssa): Now static.
        (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
        (split_pbb): New.
        (split_reduction_stmt): Call split_pbb.
        (translate_scalar_reduction_to_array): Pass in the scop, do not
        pass in the sbitmap reductions.
        (rewrite_commutative_reductions_out_of_ssa_close_phi): Same.
        (rewrite_commutative_reductions_out_of_ssa_loop): Same.
        (rewrite_commutative_reductions_out_of_ssa): Same.
        (build_poly_scop): Call build_scop_bbs,
        rewrite_commutative_reductions_out_of_ssa,
        rewrite_reductions_out_of_ssa, and
        rewrite_cross_bb_scalar_deps_out_of_ssa.  Move build_scop_drs
        before scop_to_lst.
        * graphite-sese-to-poly.h (rewrite_commutative_reductions_out_of_ssa):
        Removed declaration.
        (rewrite_reductions_out_of_ssa): Same.
        (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
        (build_scop_bbs): Same.
        * graphite.c (graphite_transform_loops): Do not initialize reductions.
        Do not call build_scop_bbs,
        rewrite_commutative_reductions_out_of_ssa,
        rewrite_reductions_out_of_ssa, and
        rewrite_cross_bb_scalar_deps_out_of_ssa.
        * sese.h (struct gimple_bb): Add field pbb.
        (GBB_PBB): New.

2010-12-01  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (handle_scalar_deps_crossing_scop_limits):
        New.
        (rewrite_cross_bb_scalar_deps): Pass in the scop.  Call
        handle_scalar_deps_crossing_scop_limits.
        (rewrite_cross_bb_scalar_deps_out_of_ssa): Create an empty BB
        after the scop.  Update call to rewrite_cross_bb_scalar_deps.

2010-12-01  Sebastian Pop  <sebastian.pop@amd.com>

        * sese.c (rename_uses): Call recompute_tree_invariant_for_addr_expr
        when replacing a constant in an ADDR_EXPR.

2010-12-01  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-blocking.c (lst_do_strip_mine_loop): Extra parameter
        for the stride.
        (lst_do_strip_mine): Same.
        (scop_do_strip_mine): Same.
        * graphite-poly.c (apply_poly_transforms): Update call to
        scop_do_strip_mine.
        * graphite-poly.h (scop_do_strip_mine): Update declaration.

2010-12-01  Jan Hubicka  <jh@suse.cz>

        * tree.c (build_common_builtin_nodes): Do not initialize
        BUILT_IN_PROFILE_FUNC_ENTER and BUILT_IN_PROFILE_FUNC_EXIT.
        * builtins.c (expand_builtin_profile_func): Remove.
        (expand_builtin): Do not handle BUILT_IN_PROFILE_FUNC_ENTER and
        BUILT_IN_PROFILE_FUNC_EXIT.
        * builtins.def (profile_func_enter, profile_func_exit): Remove stubs.
        (__cyg_profile_func_enter, __cyg_profile_func_exit): New.
        * gimplify.c (gimplify_function_tree): Reorganize code calling
        profiling functions.

2010-12-01  Joseph Myers  <joseph@codesourcery.com>

        * opts.c: Expand comment on tm.h include.

2010-12-01  Yao Qi  <yao@codesourcery.com>

        * config/arm/predicates.md ("vfp_register_operand"): Return true for
        VFP_D0_D7_REGS classes.

2010-12-01  Joseph Myers  <joseph@codesourcery.com>

        * common.opt (flag_stack_check): New Variable entry.
        (fcompare-debug-second): Use Var.
        * flags.h (flag_compare_debug, flag_stack_check): Remove.
        * opts.c (flag_compare_debug): Remove.
        (common_handle_option): Don't handle OPT_fcompare_debug_second.
        Set opts->x_flag_stack_check for OPT_fstack_check_.
        * toplev.c (flag_stack_check): Remove.

2010-12-01  Joseph Myers  <joseph@codesourcery.com>

        * common.opt (main_input_filename, main_input_basename,
        main_input_baselength): New Variable entries.  From toplev.c.
        * final.c (output_quoted_string): Move from toplev.c.
        * output.h (output_quoted_string): Move from toplev.h.
        * opts-global.c (read_cmdline_options): Use gcc_options pointer to
        access main_input_filename, main_input_baselength and
        main_input_basename.
        * targhooks.c: Include intl.h and opts.h.
        (option_affects_pch_p, default_get_pch_validity): Move from
        toplev.c.
        * targhooks.h (option_affects_pch_p, default_get_pch_validity):
        Move from toplev.h.
        * toplev.c (main_input_filename, main_input_basename,
        main_input_baselength): Move to common.opt.
        (output_quoted_string): Move to final.c.
        (warn_deprecated_use): Move to tree.c.
        (option_affects_pch_p, default_get_pch_validity,
        pch_option_mismatch, default_pch_valid_p): Move to targhooks.c.
        * toplev.h (skip_leading_substring): Move to tree-dump.c.
        (warn_deprecated_use): Move to tree.h.
        (output_quoted_string): Move to output.h.
        (main_input_filename, main_input_basename, main_input_baselength):
        Move to common.opt.
        (default_get_pch_validity, default_pch_valid_p): Move to
        targhooks.c.
        * tree-dump.c (skip_leading_substring): Move from toplev.h.
        * tree.c (warn_deprecated_use): Move from toplev.c.
        * tree.h (warn_deprecated_use): Move from toplev.h.
        * c-typeck.c, config/alpha/alpha.c, config/arc/arc.c,
        config/arm/arm.c, config/avr/avr.c, config/bfin/bfin.c,
        config/cris/cris.c, config/crx/crx.c, config/fr30/fr30.c,
        config/frv/frv.c, config/h8300/h8300.c, config/ia64/ia64.c,
        config/iq2000/iq2000.c, config/lm32/lm32.c, config/m32c/m32c.c,
        config/m32r/m32r.c, config/m68hc11/m68hc11.c, config/m68k/m68k.c,
        config/mcore/mcore.c, config/mep/mep.c,
        config/microblaze/microblaze.c, config/mips/mips.c,
        config/mmix/mmix.c, config/mn10300/mn10300.c,
        config/moxie/moxie.c, config/pa/pa.c, config/pdp11/pdp11.c,
        config/picochip/picochip.c, config/s390/s390.c,
        config/score/score.c, config/sh/sh.c, config/sparc/sparc.c,
        config/spu/spu.c, config/stormy16/stormy16.c, config/v850/v850.c,
        config/vax/vax.c, config/xtensa/xtensa.c, gimple-low.c,
        graphite-sese-to-poly.c, plugin.c, tree-cfg.c, tree-inline.c,
        varasm.c, xcoffout.c: Don't include toplev.h.
        * Makefile.in (c-typeck.o, tree-inline.o, tree-cfg.o,
        gimple-low.o, graphite-sese-to-poly.o, targhooks.o, plugin.o,
        varasm.o, xcoffout.o): Update dependencies.
        * config/arm/t-arm (arm.o): Update dependencies.
        * config/spu/t-spu-elf (spu.o): Update dependencies.

2010-12-01  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/46730
        * value-prof.c (gimple_ic): Always generate a separate merge BB.

2010-11-30  Ian Lance Taylor  <iant@google.com>

        * config/i386/linux.h (ASM_SPEC): Pass -v as -v, not -V.  Remove
        all of %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*}.
        * config/i386/linux64.h (ASM_SPEC): Likewise.
        * config/i386/mingw-w64.h (ASM_SPEC): Likewise.
        * config/i386/sol2-10.h (ASM_SPEC) [USE_GAS]: Likewise.
        * config/i386/vxworks.h (ASM_SPEC): Likewise.
        * config/i386/x86-64.h (ASM_SPEC): Likewise.
        * config/i386/sol2.h (ASM_SPEC): Remove %{Wa,*:%*}.
        * config/i386/sol2-10.h (ASM_SPEC) [!USE_GAS]: Likewise.

2010-11-30  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-decl.c (finish_function): Call objc_finish_function in
        Objective-C.
        * c-typeck.c (convert_for_assignment): Do not call
        objc_type_quals_match().

2010-11-30  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/46722
        * tree-ssa-math-opts.c (convert_mult_to_fma): Get multiplication
        operands as arguments.
        (execute_optimize_widening_mul): Also handle power of two as
        multiplication.

2010-11-30  Dave Korn  <dave.korn.cygwin@gmail.com>

        PR middle-end/46709
        * cgraphunit.c (process_function_and_variable_attributes): Fix
        cut'n'pasteo.

2010-11-30  Joseph Myers  <joseph@codesourcery.com>

        * hwint.c:  New.  Extracted from toplev.c.
        * hwint.h (clz_hwi, ctz_hwi, ffs_hwi, exact_log2, floor_log2):
        Move from toplev.h.
        * toplev.c (clz_hwi, ctz_hwi, ffs_hwi, exact_log2, floor_log2):
        Move to hwint.c.
        * toplev.h (clz_hwi, ctz_hwi, ffs_hwi, exact_log2, floor_log2):
        Move to hwint.h.
        * builtins.c, combine.c, config/i386/winnt.c, double-int.c,
        explow.c, expmed.c, fold-const.c, ggc-page.c, ggc-zone.c, ifcvt.c,
        ipa-struct-reorg.c, ira-color.c, matrix-reorg.c, omp-low.c,
        real.c, recog.c, reload.c, rtlanal.c, simplify-rtx.c,
        stor-layout.c, tree-dfa.c, tree-ssa-alias.c,
        tree-ssa-loop-niter.c, tree-vect-data-refs.c,
        tree-vect-loop-manip.c, tree-vect-loop.c, tree-vect-stmts.c,
        tree-vrp.c: Don't include toplev.h.
        * genattrtab.c, genconditions.c, genemit.c, genextract.c,
        genoutput.c, genpeep.c, genpreds.c, genrecog.c: Don't include
        toplev.h in generated output.
        * Makefile.in (OBJS-common): Add hwint.o.
        Dependencies for above files changed to remove toplev.h.
        (hwint.o): New.
        (insn-attrtab.o, insn-emit.o, insn-extract.o, insn-output.o,
        insn-peep.o, insn-preds.o, insn-recog.o): Don't depend on
        toplev.h.
        * config/i386/t-cygming (winnt.o): Don't depend on toplev.h.
        * config/i386/t-interix (winnt.o): Don't depend on toplev.h.

2010-11-30  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/46717
        * value-prof.c (gimple_ic): Preserve EH edges of the indirect
        call.  Manually create EH edges for the direct call and update
        target PHI nodes.

2010-11-30  Joseph Myers  <joseph@codesourcery.com>

        * diagnostic-core.h: Include bversion.h.
        * toplev.h: Don't include input.h or bversion.h.
        (parse_optimize_options): Don't declare here.
        * alias.c, auto-inc-dec.c, c-aux-info.c, c-convert.c, c-parser.c,
        caller-save.c, cfg.c, cfganal.c, cfgbuild.c, cfgcleanup.c,
        combine-stack-adj.c, config/arm/pe.c, config/darwin-c.c,
        config/host-darwin.c, config/i386/host-cygwin.c,
        config/i386/host-mingw32.c, config/i386/msformat-c.c,
        config/i386/netware.c, config/i386/nwld.c,
        config/i386/winnt-cxx.c, config/i386/winnt-stubs.c,
        config/ia64/ia64-c.c, config/m32c/m32c-pragma.c,
        config/mep/mep-pragma.c, config/microblaze/microblaze-c.c,
        config/rs6000/host-darwin.c, config/rs6000/rs6000-c.c,
        config/score/score3.c, config/score/score7.c,
        config/sh/symbian-base.c, config/sh/symbian-c.c,
        config/sh/symbian-cxx.c, config/sol2-c.c, config/sol2.c,
        config/v850/v850-c.c, config/vxworks.c, convert.c, cppbuiltin.c,
        cselib.c, dbgcnt.c, ddg.c, dfp.c, dominance.c, emit-rtl.c,
        fixed-value.c, fwprop.c, ggc-common.c, gimple.c, gimplify.c,
        graphite-blocking.c, graphite-clast-to-gimple.c,
        graphite-dependences.c, graphite-flattening.c,
        graphite-interchange.c, graphite-poly.c,
        graphite-scop-detection.c, graphite.c, haifa-sched.c,
        implicit-zee.c, integrate.c, ipa-pure-const.c, ipa-reference.c,
        ira-build.c, ira-conflicts.c, ira-costs.c, ira-lives.c, jump.c,
        lists.c, loop-doloop.c, loop-iv.c, lto-cgraph.c, lto-compress.c,
        lto-opts.c, lto-section-in.c, lto-section-out.c,
        lto-streamer-out.c, lto-symtab.c, modulo-sched.c, optabs.c,
        params.c, postreload-gcse.c, postreload.c, predict.c, profile.c,
        regcprop.c, reginfo.c, regmove.c, reorg.c, resource.c,
        sched-deps.c, sched-ebb.c, sched-rgn.c, sdbout.c,
        sel-sched-dump.c, sel-sched-ir.c, sese.c, stmt.c, targhooks.c,
        tree-cfgcleanup.c, tree-mudflap.c, tree-nomudflap.c,
        tree-object-size.c, tree-outof-ssa.c, tree-phinodes.c,
        tree-profile.c, tree-sra.c, tree-ssa-ccp.c, tree-ssa-coalesce.c,
        tree-ssa-live.c, tree-ssa-loop-prefetch.c, tree-ssa-loop.c,
        tree-ssa-operands.c, tree-ssa-structalias.c, tree-ssa-uninit.c,
        tree-vect-patterns.c, value-prof.c, var-tracking.c, web.c: Don't
        include toplev.h.
        * Makefile.in (TOPLEV_H): Remove.  All uses changed to use
        toplev.h.  Dependencies for above files and c-family files changed
        to remove $(TOPLEV_H) or toplev.h.
        (C_TREE_H): Don't include $(TOPLEV_H).
        (DIAGNOSTIC_CORE_H): Use $(INPUT_H) instead of input.h.  Add
        bversion.h.
        * config/arm/t-pe, config/arm/t-wince-pe, config/i386/t-cygming,
        config/ia64/t-ia64, config/mep/t-mep, config/score/t-score-elf,
        config/t-darwin, config/t-sol2,
        config/t-vxworks, config/v850/t-v850, config/v850/t-v850e:
        Dependencies for above files changed to remove $(TOPLEV_H) or
        toplev.h.

2010-11-30  Richard Guenther  <rguenther@suse.de>

        PR lto/44986
        * gcc.c (main): Use the first input with a compiler as infile
        for link spec processing.

2010-11-30  Richard Guenther  <rguenther@suse.de>

        PR lto/45949
        * cgraphunit.c (ipa_passes): Stop after errors from
        small IPA passes.

2010-11-30  Mingjie Xing  <mingjie.xing@gmail.com>

        * gcc-plugin.h: Include coretypes.h.
        * Makefile.in (FUNCTION_H): Add hard-reg-set.h.

2010-11-30  Laurynas Biveinis  <laurynas.biveinis@gmail.com>

        * ggc-zone.c (ggc_pch_read): Fix conditional compilation.
        * ggc-none.c (ggc_internal_alloc_zone_stat)
        (ggc_internal_cleared_alloc_zone_stat): New.

2010-11-29  Joakim Tjernlund  <Joakim.Tjernlund@transmode.se>

        * config/rs6000/rs6000.c (rs6000_reg_live_or_pic_offset_p): Check
        TARGET_SINGLE_PIC_BASE for RS6000_PIC_OFFSET_TABLE_REGNUM.
        (rs6000_emit_prologue): Don't set PIC register if
        TARGET_SINGLE_PIC_BASE.
        * config/rs6000/rs6000.opt (msingle-pic-base): New option.
        * doc/invoke.texi (msingle-pic-base): Document.

2010-11-29  H.J. Lu  <hongjiu.lu@intel.com>

        PR driver/46712
        * exec-tool.in (id): New.
        Check and export LT_RCU_$id instead of LT_RCU.

2010-11-29  Zdenek Dvorak  <rakdver@kam.uniff.cz>

        PR tree-optimization/46675
        * tree-ssa-loop-niter.c (split_to_var_and_offset): Avoid overflow
        in offset calculation.

2010-11-29  Jan Hubicka  <jh@suse.cz>

        * collect2.c (main): Do not imply verbose output with
        LTO and linker plugin.

2010-11-29  Dodji Seketeli  <dodji@redhat.com>

        * dwarf2out.c (print_die): Print the address of the current DIE or
        of any DIE referenced by the current one.

2010-11-29  Dodji Seketeli  <dodji@redhat.com>

        PR debug/46101
        * dwarf2out.c (lookup_type_die_strip_naming_typedef): New
        function.
        (scope_die_for, gen_type_die_for_member): Replace uses of
        lookup_type_die with use of lookup_type_die_strip_naming_typedef.

2010-11-29  Iain Sandoe  <iains@gcc.gnu.org>

        * config/darwin.c (darwin_mergeable_string_section): Remove blank line.
        (darwin_asm_declare_object_name): Correct spelling.
        (darwin_output_aligned_bss): Likewise.

2010-11-29  Iain Sandoe  <iains@gcc.gnu.org>
            Mike Stump  <mrs@gcc.gnu.org>

        PR target/26427
        PR target/33120
        PR testsuite/35710
        * config/i386/darwin.h (ASM_OUTPUT_COMMON): Remove
        (ASM_OUTPUT_LOCAL): Likewise.
        * config/darwin-protos.h (darwin_asm_declare_object_name): New.
        (darwin_output_aligned_bss): Likewise.
        (darwin_asm_output_aligned_decl_local): Likewise.
        (darwin_asm_output_aligned_decl_common): Likewise.
        (darwin_use_anchors_for_symbol_p): Likewise.
        * config/rs6000/darwin.h (ASM_OUTPUT_COMMON): Remove.
        (TARGET_ASM_OUTPUT_ANCHOR): Define.
        (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Define.
        (DARWIN_SECTION_ANCHORS): Set to 1.
        * config/darwin.c (emit_aligned_common): New var.
        (darwin_init_sections): Check that the Darwin private zero-size section
        marker is in range.
        (darwin_text_section): Check for zero-sized objects.
        (darwin_mergeable_string_section): Likewise.
        (darwin_mergeable_constant_section): Likewise.
        (machopic_select_section): Adjust to check for zero-sized objects.
        Assert that OBJC meta data are non-zero sized.
        (darwin_asm_declare_object_name): New.
        (darwin_asm_declare_constant_name): Adjust for zero-sized
        object sections.
        (BYTES_ZFILL): Define.
        (darwin_emit_weak_or_comdat): New.
        (darwin_emit_local_bss): New.
        (darwin_emit_common): New.
        (darwin_output_aligned_bss): New.
        (darwin_asm_output_aligned_decl_common): New.
        (darwin_asm_output_aligned_decl_local): New.
        (darwin_file_end): Disable subsections_via_symbols when section
        anchoring is active.
        (darwin_asm_output_anchor): Re-enable.
        (darwin_use_anchors_for_symbol_p): New.
        (darwin_override_options): Check for versions that can emit
        aligned common.  Update usage of flags to current.
        * config/darwin-sections.def: Update comments and flags for
        non-anchor sections.  zobj_const_section, zobj_data_section,
        zobj_bss_section, zobj_const_data_section: New.
        * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Redefine.
        (ASM_OUTPUT_ALIGN): Make whitespace output consistent.
        (L2_MAX_OFILE_ALIGNMENT): Define.
        (ASM_OUTPUT_ALIGNED_BSS): Define.
        (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Define.
        (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define.
        (SECTION_NO_ANCHOR): Define.
        (TARGET_ASM_OUTPUT_ANCHOR) Define with a default of NULL.
        (DARWIN_SECTION_ANCHORS): Define with a default of 0.

2010-11-29  Joseph Myers  <joseph@codesourcery.com>

        * system.h: Include "safe-ctype.h" instead of <safe-ctype.h>.
        Include <signal.h>, <sys/mman.h>, <sys/resource.h> and <sys/times.h>.
        (O_BINARY, SIGCHLD, MAP_FAILED, MAP_ANONYMOUS, kill):
        Conditionally define.
        (GET_ENVIRONMENT): Poison.
        * configure.ac: Don't test for mincore.
        * configure: Regenerate.
        * config.in: Regenerate.
        * collect2-aix.c: Don't include <sys/mman.h>.
        * collect2.c: Don't include <signal.h>.
        (SIGCHLD): Don't define.
        (prefix_from_env): Use getenv instead of GET_ENVIRONMENT.
        * config/alpha/alpha.c: Include "splay-tree.h" instead of
        <splay-tree.h>.
        * config/arm/arm.c (arm_target_help): Use getenv instead of
        GET_ENVIRONMENT.
        * config/avr/driver-avr.c: Don't include <stdlib.h>.
        * config/frv/frv.c: Don't include <ctype.h>.
        * config/host-darwin.c: Don't include <sys/mman.h>.
        * config/host-hpux.c: Don't include <sys/mman.h> or <unistd.h>.
        (MAP_FAILED): Don't define.
        * config/host-linux.c: Don't include <sys/mman.h> or <limits.h>.
        * config/host-solaris.c: Don't include <sys/mman.h>.
        * config/i386/cygming.h: Don't include <stdio.h>.
        * config/i386/driver-i386.c: Don't include <stdlib.h>.
        * config/i386/host-cygwin.c: Don't include <sys/mman.h>.
        * config/iq2000/iq2000.c: Don't include <signal.h>.
        * config/m32c/m32c-pragma.c: Don't include <stdio.h>.
        * config/m68hc11/m68hc11.c: Don't include <stdio.h>.
        * config/mep/mep-pragma.c: Don't include <stdio.h>.
        * config/microblaze/microblaze.c: Don't include <signal.h>.
        * config/mips/mips.c: Don't include <signal.h>.
        * config/rs6000/host-darwin.c: Don't include <signal.h>.
        * cppdefault.c (cpp_relocated): Use getenv instead of GET_ENVIRONMENT.
        * defaults.h (GET_ENVIRONMENT): Don't define.
        * et-forest.h: Don't include <ansidecl.h> or <stddef.h>.
        * gcc.c: Don't include <signal.h>, <sys/mman.h> or <sys/types.h>.
        (SIGCHLD, MAP_FAILED, kill): Don't define.
        (process_command): Use getenv instead of GET_ENVIRONMENT.
        * genhooks.c: Don't include <string.h>.
        * ggc-common.c: Don't include <sys/resource.h>, <sys/mman.h> or
        <sys/types.h>.
        (MAP_FAILED): Don't define.
        * ggc-page.c Don't include <sys/mman.h>.
        (MAP_ANONYMOUS, MAP_FAILED): Don't define.
        * ggc-zone.c: Don't include <sys/mman.h>.
        (MAP_ANONYMOUS, MAP_FAILED): Don't define.
        * graph.c: Include "config.h" instead of <config.h>.
        * incpath.c (add_env_var_paths): Use getenv instead of GET_ENVIRONMENT.
        * lto-wrapper.c: Don't include <errno.h>, <signal.h> or "libiberty.h".
        (SIGCHLD, kill): Don't define.
        * mips-tfile.c: Don't include <signal.h>.
        * opts.c: Don't include <signal.h> or <sys/resource.h>.
        (print_specific_help): Use getenv instead of GET_ENVIRONMENT.
        * passes.c: Don't include <signal.h>, <sys/resource.h> or
        <sys/times.h>.
        * sparseset.h: Don't include <assert.h>.
        * timevar.c: Don't include <sys/times.h> or <sys/resource.h>.
        * tlink.c: Don't include "libiberty.h".
        * toplev.c: Don't include <signal.h> or <sys/times.h>.
        * tree-mudflap.c: Include "demangle.h" instead of <demangle.h>.
        * tree-switch-conversion.c: Don't include <signal.h>.
        * vmsdbgout.c: Don't include <errno.h> or <string.h>.

2010-11-29  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-parser.c (c_parser_objc_try_catch_statement): Renamed to
        c_parser_objc_try_catch_finally_statement for consistency with the
        C++ parser.  Parse @catch(...) and pass NULL_TREE to
        objc_begin_catch_clause() in that case.  Improved error recovery.
        Reorganized code to be almost identical to
        cp_parser_objc_try_catch_finally_statement.

2010-11-29  Joern Rennecke  <amylaar@spamcop.net>

        PR tree-optimization/46621
        * gimple.h: Don't include tm.h or hard-reg-set.h .
        * Makefile.in (GIMPLE_H): Remove $(TM_H).

        PR bootstrap/44756
        * cppbuiltin.c: Include target.h .
        (define_builtin_macros_for_type_sizes):
        Use targetm.float_words_big_endian.

2010-11-27  Jan Hubicka  <jh@suse.cz>

        * dwarf2out.c (dwarf2out_begin_function): Set cold_text_section
        and output cold_text_section_label.
        (dwarf2out_init): Don't do that there.
        (dwarf2out_finish): Handle cold section end label only if cold
        section was used.

2010-11-27  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-nested.c (remap_vla_decls): Fully expand value expressions of
        VLA variables.

2010-11-27  Richard Guenther  <rguenther@suse.de>

        * gimple.c (gimple_assign_copy_p): Use gimple_assign_single_p.
        (gimple_assign_ssa_name_copy_p): Likewise.
        (gimple_assign_unary_nop_p): Use is_gimple_assign.
        (is_gimple_cast): Remove.
        (gimple_assign_single_p): Move ...
        * gimple.h (gimple_assign_single_p): ... here.
        (is_gimple_cast): Remove.
        (gimple_assign_rhs_code): Simplify.
        * gimple-fold.c (gimple_fold_builtin): Use CONVERT_EXPR_P
        instead of is_gimple_cast.
        * ipa-type-escape.c (look_for_casts): Likewise.

2010-11-26  Joseph Myers  <joseph@codesourcery.com>

        * doc/options.texi (Enum, EnumValue): Document new record types.
        (Enum): Document new option flag.
        * opt-functions.awk
        * optc-gen.awk: Handle enumerated option arguments.
        * opth-gen.awk: Handle enumerated option arguments.
        * opts-common.c (enum_arg_ok_for_language, enum_arg_to_value,
        enum_value_to_arg): New.
        (decode_cmdline_option): Handle enumerated arguments.
        (read_cmdline_option): Handle CL_ERR_ENUM_ARG.
        (set_option, option_enabled, get_option_state): Handle CLVC_ENUM.
        * opts.c (print_filtered_help, print_specific_help): Take
        lang_mask arguments.
        (print_filtered_help): Handle printing values of enumerated
        options.  Print possible arguments for enumerated options.
        (print_specific_help): Update call to print_filtered_help.
        (common_handle_option): Update calls to print_specific_help.  Use
        value rather than arg for OPT_fdiagnostics_show_location_.  Don't
        handle OPT_ffp_contract_, OPT_fexcess_precision_,
        OPT_fvisibility_, OPT_ftls_model_, OPT_fira_algorithm_ or
        OPT_fira_region_ here.
        * opts.h (enum cl_var_type): Add CLVC_ENUM.
        (struct cl_option): Add var_enum.
        (CL_ENUM_CANONICAL, CL_ENUM_DRIVER_ONLY, struct cl_enum_arg,
        struct cl_enum, cl_enums, cl_enums_count): New.
        (CL_ERR_ENUM_ARG): Define.
        (CL_ERR_NEGATIVE): Update value.
        (enum_value_to_arg): Declare.
        * common.opt (flag_ira_algorithm, flag_ira_region,
        flag_fp_contract_mode, flag_excess_precision_cmdline,
        default_visibility, flag_tls_default): Remove Variable entries.
        (help_enum_printed): New Variable.
        (fdiagnostics-show-location=): Use Enum.  Add associated
        SourceInclude, Enum and EnumValue entries.
        (fexcess-precision=, ffp-contract=, fira-algorithm=, fira-region=,
        ftls-model=, fvisibility=): Use Enum, Var and Init.  Add
        associated Enum and EnumValue entries.

2010-11-26  Joern Rennecke  <amylaar@spamcop.net>

        PR target/46623
        * config/microblaze/microblaze.c (microblaze_block_move_straight):
        Use XALLOCAVEC.
        (microblaze_option_override): Don't use C++ style comments.
        (save_restore_insns): Remove unused variable base_offset.
        (microblaze_expand_prologue): Remove unused variable insn.
        (microblaze_secondary_reload): Adjust type to match target.h .
        (microblaze_elf_in_small_data_p): Move declarations to start of block.
        (microblaze_expand_move): Likewise.
        * config/microblaze/microblaze.h (LARGE_INT):
        Avoid signed / unsigned comparisons.
        (ASM_OUTPUT_ALIGNED_COMMON, ASM_OUTPUT_ALIGNED_LOCAL): Likewise.
        (ASM_FORMAT_PRIVATE_NAME): Make format specifier match printed data.
        (ASM_FINISH_DECLARE_OBJECT): Likewise.  Constify name.

2010-11-26  Michael Matz  <matz@suse.de>

        * tree-ssa-copy.c (fini_copy_prop): Don't DCE when we have loops.

        * passes.c (init_optimization_passes): Remove superfluous
        copy-prop pass.

2010-11-26  Richard Guenther  <rguenther@suse.de>

        PR lto/46648
        * gimple.c (gtc_visit): Do not return true for members of an
        SCC still being processed but the current lattice value of
        the member.  Treat SCC members comparison state as lattice,
        starting at equal, eventually dropping to unequal.
        (gimple_types_compatible_p_1): Likewise.

2010-11-26  Richard Guenther  <rguenther@suse.de>

        PR middle-end/46559
        * dwarf2out.c (dwarf2out_finish): Use comp_unit_die as root
        for location list processing.

2010-11-26  Richard Guenther  <rguenther@suse.de>

        PR lto/46560
        * cgraph.c (cgraph_clone_edge): Clone call_stmt dependent
        flags manually.

2010-11-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.c (print_operand_address): Replace assert with
        error message.
        (print_operand): Replace assertions, gcc_unreachable and
        fatal_insn with error messages.

2010-11-26  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/46665
        * tree-ssa-structalias.c (pt_solution_set_var): Use DECL_PT_UID.

2010-11-26  Ian Bolton  <ian.bolton@arm.com>

        * config/arm/arm.c (arm_option_override): enable loop array
        prefetching at -O3 for suitable targets, and configure params.
        * config/arm/arm-protos.h (struct tune_params): Add fields for
        configuring loop array prefetching.

2010-11-26  Christian Borntraeger  <borntraeger@de.ibm.com>

        * config/s390/2817.md (z196_crack): Add z196_g3 as possible slot.

2010-11-26  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/46664
        * tree-affine.c (aff_combination_to_tree): Add rest last.

2010-11-26  Michael Haubenwallner  <michael.haubenwallner@salomon.at>

        PR target/33637
        * configure.ac: Accept extra arguments for AS_FOR_TARGET,
        LD_FOR_TARGET, NM_FOR_TARGET, OBJDUMP_FOR_TARGET.
        * configure: Regenerated.
        * exec-tool.in: Not quoting command, may have extra arguments.

2010-11-26  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/46528
        PR debug/46338
        * profile.c (branch_prob): Do not split blocks based on locations
        from debug statements.

2010-11-26  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/46647
        * builtins.c (fold_builtin_memset): Check c is INTEGER_CST instead
        of host_integerp check.  Use TREE_INT_CST_LOW instead of tree_low_cst.

        PR bootstrap/45700
        * tree.h (build1_stat_loc, build2_stat_loc, build3_stat_loc,
        build4_stat_loc, build5_stat_loc, build6_stat_loc): New inlines.
        (build1_loc, build2_loc, build3_loc, build4_loc, build5_loc,
        build6_loc): Define.
        * fold-const.c (protected_set_expr_location_unshare): New inline.
        (fold_convert_loc, pedantic_non_lvalue_loc): Use it.
        (negate_expr, associate_trees, non_lvalue_loc, omit_one_operand_loc,
        pedantic_omit_one_operand_loc, omit_two_operands_loc,
        fold_truth_not_expr, invert_truthvalue_loc, make_bit_field_ref,
        optimize_bit_field_compare, make_range, fold_range_test, fold_truthop,
        build_fold_addr_expr_with_type_loc, fold_unary_loc, fold_binary_loc,
        fold_indirect_ref_1, build_fold_indirect_ref_loc): Use builN_loc
        instead of buildN followed by SET_EXPR_LOCATION or
        protected_set_expr_location.
        (fold_build1_stat_loc, fold_build2_stat_loc, fold_build3_stat_loc):
        Use buildN_stat_loc instead of buildN_stat followed by
        SET_EXPR_LOCATION.

2010-11-26  Basile Starynkevitch  <basile@starynkevitch.net>

        * Makefile.in (s-tm-texi): Remove spurous tab.

2010-11-26  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/46258
        * tree-cfg.c (replace_uses_by): Don't mark BBs as altered on
        debug stmts.

2010-11-26  Alexandre Oliva  <aoliva@redhat.com>

        * toplev.c (finalize): Add no_backend parameter.  Don't finish
        passes when preprocessing only.  Adjust...
        (do_compile): ... caller.

2010-11-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * config/pa/pa.md (negdf2): Condition on !flag_signed_zeros instead of
        flag_unsafe_math_optimizations.
        (negsf2): Likewise.
        Move fnegabs related patterns together.  Only use fmpynfadd instruction
        to negate a multiply if !flag_signed_zeros is true.

2010-11-25  Uros Bizjak  <ubizjak@gmail.com>

        * gengtype-state.c (read_state_structures): Initialize "previous".

2010-11-25  Basile Starynkevitch  <basile@starynkevitch.net>
            Jeremie Salvucci  <jeremie.salvucci@free.fr>

        * gengtype-state.c: Add new file.

        * gengtype.c (type count): New variable.
        (new_structure, find_param_structure, create_pointer)
        (create_array): Use it to set state_number in types.
        (dump_everything): Improve comment.
        (main): Call read_state and write_state. Print type_count.

        * gengtype.h (type_lineloc): New function.
        (read_state, write_state): New declarations.

        * Makefile.in (GENGTYPE_FLAGS): New variable.
        (s-gtype): Run gengtype twice and generate gtype.state.
        (build/gengtype-state.o): New rule.
        (build/gengtype$(build_exeext)): Link gengtype-state.o.
        (mostlyclean): Update comment.  Remove gtype.state.

2010-11-25  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/46637
        * combine.c (try_combine): When substing i2dest for i2src, pass
        1 as last argument even if
        i0_feeds_i1_n && i1_feeds_i2_n && i0dest_in_i0src.

2010-11-25  H.J. Lu  <hongjiu.lu@intel.com>

        PR middle-end/46647
        * builtins.c (target_char_cast): Check INTEGER_CST instead of
        host_integerp.  Replace tree_low_cst with TREE_INT_CST_LOW.

2010-11-25  Joseph Myers  <joseph@codesourcery.com>

        * target.def (supports_split_stack, except_unwind_info): Take
        gcc_options parameters.
        * targhooks.c (default_except_unwind_info,
        dwarf2_except_unwind_info, sjlj_except_unwind_info): Take
        gcc_options parameters.
        * targhooks.h (default_except_unwind_info,
        dwarf2_except_unwind_info, sjlj_except_unwind_info): Update
        prototypes.
        * doc/tm.texi.in (TARGET_IRA_COVER_CLASSES,
        TARGET_HAVE_NAMED_SECTIONS, TARGET_UNWIND_TABLES_DEFAULT):
        Document that hooks must not be modified.
        (TARGET_EXCEPT_UNWIND_INFO): Refer to opts argument.
        * doc/tm.texi: Regenerate.
        * defaults.h (STACK_OLD_CHECK_PROTECT, STACK_CHECK_PROTECT): Pass
        &global_options to targetm.except_unwind_info.
        * dwarf2out.c (dwarf2out_do_frame, dwarf2out_do_cfi_asm,
        dwarf2out_begin_prologue, dwarf2out_frame_init,
        dwarf2out_frame_finish, dwarf2out_assembly_start): Pass
        &global_options to targetm.except_unwind_info.
        * except.c (init_eh, finish_eh_generation,
        gate_convert_to_eh_region_ranges,
        output_one_function_exception_table): Pass &global_options to
        targetm.except_unwind_info.
        * expr.c (build_personality_function): Pass &global_options to
        targetm.except_unwind_info.
        * function.c (expand_function_end): Pass &global_options to
        targetm.except_unwind_info.
        * hooks.c (hook_bool_bool_gcc_optionsp_false): New.
        * hooks.h (hook_bool_bool_gcc_optionsp_false): Declare.
        * opts.c (finish_options): Pass opts to targetm.except_unwind_info
        and targetm.supports_split_stack.  Remove assertions about opts
        and opts_set.
        (common_handle_option): Remove assertions about opts, opts_set and dc.
        * tree-tailcall.c (suitable_for_tail_call_opt_p): Pass
        &global_options to targetm.except_unwind_info.
        * tree.c (build_common_builtin_nodes: Pass &global_options to
        targetm.except_unwind_info.
        * config/arm/arm.c (arm_except_unwind_info): Add gcc_options parameter.
        (arm_compute_func_type, arm_expand_prologue, thumb_pushpop,
        thumb1_expand_prologue, thumb1_output_function_prologue,
        arm_unwind_emit, arm_output_fn_unwind): Update calls to
        arm_except_unwind_info.
        * config/i386/i386.c (ix86_supports_split_stack): Add gcc_options
        parameter.
        * config/ia64/ia64.c (ia64_except_unwind_info): Add gcc_options
        parameter.
        (ia64_output_function_prologue, ia64_add_bundle_selector_before,
        ia64_reorg, ia64_asm_unwind_emit): Update calls to
        ia64_except_unwind_info.
        * config/pa/pa.c (pa_option_override): Pass &global_options to
        targetm.except_unwind_info.
        * config/picochip/picochip-protos.h (picochip_except_unwind_info):
        Remove prototype.

2010-11-25  Kai Tietz  <kai.tietz@onevision.com>

        * cgraphunit.c (process_function_and_variable_attributes):
        Mark dllexport-ed function/variables as needed.
        * ipa.c (cgraph_externally_visible_p): Make dllexport-ed
        as externally visible.

2010-11-25  Alexander Monakov  <amonakov@ispras.ru>

        PR rtl-optimization/46585
        * sel-sched-ir.c (return_regset_to_pool): Verify that RS is not NULL.
        (vinsn_init): Skip computation of dependencies for local NOPs.
        (vinsn_delete): Don't try to free regsets for local NOPs.
        (setup_nop_and_exit_insns): Change definition of nop_pattern.

2010-11-25  Alexander Monakov  <amonakov@ispras.ru>

        PR rtl-optimization/46602
        * sel-sched-ir.c (maybe_tidy_empty_bb): Move checking ...
        (tidy_control_flow): Here.

2010-11-25  Joern Rennecke  <amylaar@spamcop.net>
            Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR bootstrap/45888
        * Makefile.in (s-tm-texi): Remove \r occurences from tmp-tm.texi.
        Fix target.def pathname in timestamp comparison.

2010-11-24  Richard Henderson  <rth@redhat.com>

        * config/ia64/predicates.md (pmpyshr_operand): New.
        * config/ia64/ia64.c (ia64_expand_unpack): New.
        (ia64_expand_widen_mul_v4hi): New.
        (ia64_expand_widen_sum): Update for pattern renames.
        (ia64_expand_dot_prod_v8qi): Likewise.
        * config/ia64/ia64-protos.h: Update.
        * config/ia64/vect.md (vecwider): New mode attribute.
        (vec_widen_umult_lo_v8qi, vec_widen_umult_hi_v8qi): New.
        (vec_widen_smult_lo_v8qi, vec_widen_smult_hi_v8qi): New.
        (pmpyshr2, pmpyshr2_u): New.
        (vec_widen_smult_lo_v4hi, vec_widen_smult_hi_v4hi): New.
        (vec_widen_umult_lo_v4hi, vec_widen_umult_hi_v4hi): New.
        (mulv2si3): New.
        (vec_pack_ssat_v4hi): Rename from pack2_sss.
        (vec_pack_usat_v4hi): Rename from *pack2_uss.
        (vec_pack_ssat_v2si): Rename from pack4_sss.
        (vec_interleave_lowv8qi): Rename from unpack1_l, use the correct
        vec_select operation.
        (vec_interleave_highv8qi): Similarly.
        (mux1_alt): Rename from *mux1_alt.
        (vec_extract_evenv8qi, vec_extract_oddv8qi): New.
        (vec_interleave_lowv4hi): Rename from unpack2_l.
        (vec_interleave_highv4hi): Rename from unpack2_h.
        (mix2_r): Rename from *mix2_r.
        (mix2_l): Similarly.
        (vec_extract_evenodd_helper): New.
        (vec_extract_evenv4hi, vec_extract_oddv4hi): New.
        (vec_interleave_lowv2si): Rename from *unpack4_l.
        (vec_interleave_highv2si): Rename from *unpack4_h.
        (vec_extract_evenv2si, vec_extract_oddv2si): New.
        (vec_interleave_lowv2sf): Rename from fmix_r.
        (vec_interleave_highv2sf): Rename from *fmix_l.
        (vec_extract_evenv2sf, vec_extract_oddv2sf): New.
        (vec_unpacku_lo_<VECINT12>, vec_unpacku_hi_<VECINT12>): New.
        (vec_unpacks_lo_<VECINT12>, vec_unpacks_hi_<VECINT12>): New.
        (vec_pack_trunc_v4hi, vec_pack_trunc_v2si): New.

2010-11-24  Nathan Froyd  <froydnj@codesourcery.com>

        * targhooks.c (default_except_unwind_info): Remove
        MUST_USE_SJLJ_EXCEPTIONS case.
        * config/h8300/h8300.h (MUST_USE_SJLJ_EXCEPTIONS): Delete.
        * config/h8300/h8300.c (TARGET_EXCEPT_UNWIND_INFO): Define.
        * doc/tm.texi.in (MUST_USE_SJLJ_EXCEPTIONS): Delete.
        * doc/tm.texi: Regenerate.
        * system.h (MUST_USE_SJLJ_EXCEPTIONS): Poison.

2010-11-24  Nathan Froyd  <froydnj@codesourcery.com>

        * cppbuiltin.c (define_builtin_macros_for_type_sizes): Define
        __FLOAT_WORD_ORDER__ according to FLOAT_WORDS_BIG_ENDIAN.
        * config/dfp-bit.h (LIBGCC2_FLOAT_WORDS_BIG_ENDIAN): Delete.
        * doc/cpp.texi (__FLOAT_WORD_ORDER__): Document.
        * system.h (LIBGCC2_FLOAT_WORDS_BIG_ENDIAN): Poison.

2010-11-24  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/46519
        * config/i386/i386.c (ix86_expand_call): Don't check
        TREE_THIS_VOLATILE.

2010-11-24  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/46519
        * config/i386/i386.c (upper_128bits_state): New.
        (block_info_def): Remove upper_128bits_set and done.  Add state,
        referenced, count, processed and rescanned.
        (check_avx256_stores): Updated.
        (move_or_delete_vzeroupper_2): Updated. Handle deleted BB_END.
        Call note_stores only if needed.  Set referenced and count.
        (move_or_delete_vzeroupper_1): Updated.  Set rescan_vzeroupper_p.
        (rescan_move_or_delete_vzeroupper): New.
        (move_or_delete_vzeroupper):  Process and rescan all all basic
        blocks instead of predecessor blocks of all exit points.
        (ix86_option_override_internal): Enable vzeroupper optimization
        only for -fexpensive-optimizations and not optimizing for size.
        (use_avx256_p): Removed.
        (init_cumulative_args): Don't set use_avx256_p.
        (ix86_function_arg): Likewise.
        (ix86_expand_move): Likewise.
        (ix86_expand_vector_move_misalign): Likewise.
        (ix86_local_alignment): Likewise.
        (ix86_minimum_alignment): Likewise.
        (ix86_expand_epilogue): Don't check use_avx256_p when generating
        vzeroupper.
        (ix86_expand_call): Likewise.

        * config/i386/i386.h (machine_function): Remove use_vzeroupper_p
        and use_avx256_p.  Add rescan_vzeroupper_p.

2010-11-24  Joseph Myers  <joseph@codesourcery.com>

        * toplev.c: Include <signal.h>.

2010-11-24  Richard Guenther  <rguenther@suse.de>

        PR lto/43218
        * lto-symtab.c (lto_cgraph_replace_node): Mark edges with
        conflicting function signatures as non-inlineable.

2010-11-24  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/46614
        * sched-deps.c (NON_FLUSH_JUMP_KIND, NON_FLUSH_JUMP_P): Define.
         (deps_analyze_insn): Mark JUMP_INSNs in
        last_pending_memory_flush that weren't added through
        flush_pending_lists with NON_FLUSH_JUMP_KIND.
        (sched_analyze_2, sched_analyze_insn): Check NON_FLUSH_JUMP_P
        on INSN_LIST instead of JUMP_P check on its operand.
        * sched-rgn.c (concat_INSN_LIST): Copy over REG_NOTE_KIND.

2010-11-24  Richard Guenther  <rguenther@suse.de>

        * lto-streamer-in.c (input_gimple_stmt): Use types_compatible_p.

2010-11-24  Richard Guenther  <rguenther@suse.de>

        PR lto/46606
        * lto-streamer-in.c (input_gimple_stmt): When we cannot find
        a FIELD_DECL that is type correct issue a warning and fixup
        with a VIEW_CONVERT_EXPR.

2010-11-24  Basile Starynkevitch  <basile@starynkevitch.net>

        * doc/invoke.texi (Options for Debugging Your Program or GCC):
        Explain static numbering of dump files.

2010-11-24  Joseph Myers  <joseph@codesourcery.com>

        * common.opt (user_vect_verbosity_level): New Variable entry.
        (ftree-vectorizer-verbose=): Mark as UInteger.
        * flag-types.h (enum vect_verbosity_levels): Move from enum
        verbosity_levels in tree-vectorizer.h.
        * opts.c: Don't include tree.h.
        (vect_set_verbosity_level): Move from tree-vectorizer.c.  Use
        gcc_options parameter; take integer option argument.
        (common_handle_option): Update call to vect_set_verbosity_level.
        * tree-vectorizer.c (user_vect_verbosity_level): Remove.
        (vect_set_verbosity_level): Move to opts.c.
        (vect_verbosity_level, vect_print_dump_info): Update for change of
        enum name.
        * tree-vectorizer.h (enum verbosity_levels): Move to flag-types.h.
        (vect_print_dump_info): Update for change of enum name.
        * tree.h (vect_set_verbosity_level): Remove.
        * Makefile.in (opts.o): Update dependencies.

2010-11-24  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/46629
        * cfgexpand.c (maybe_cleanup_end_of_block): Test NEXT_INSN (insn)
        instead of insn with any_condjump_p.

2010-11-24  Mingjie Xing  <mingjie.xing@gmail.com>

        * config/mips/loongson.md: Change the description comment of the file
        and update the copyright years.
        (define_insn "<u>div<mode>3): Add loongson3a support.
        (define_insn "<u>mod<mode>3"): Likewise.
        * config/mips/mips.md: Rename mul<mode>3_mul3_ls2ef to
        mul<mode>3_mul3_loongson.
        (define_expand "mul<mode>3"): Add TARGET_LOONGSON_3A.
        (define_insn "mul<mode>3_mul3_loongson"): Add loongson3a support.

2010-11-23  Joseph Myers  <joseph@codesourcery.com>

        * common.opt (initial_max_fld_align, flag_debug_asm,
        flag_dump_rtl_in_asm, flag_dump_all_passed, rtl_dump_and_exit,
        flag_print_asm_name, graph_dump_format, help_printed,
        help_columns, flag_opts_finished): New Variable entries.
        (fdbg-cnt-list, fdbg-cnt=, fdebug-prefix-map=, frandom-seed,
        frandom-seed=): Mark deferred.
        (fsched-verbose=): Use UInteger and Var.
        * flags.h (set_struct_debug_option, flag_print_asm_name,
        rtl_dump_and_exit, flag_debug_asm, flag_dump_rtl_in_asm,
        graph_dump_format): Don't declare here.
        * haifa-sched.c (sched_verbose_param, fix_sched_param): Remove.
        * opts-global.c: Include dbgcnt.h and debug.h.
        (decode_options): Pass location to finish_options.
        (handle_common_deferred_options): Check flag_dump_all_passed.
        Handle OPT_fdbg_cnt_, OPT_fdbg_cnt_list, OPT_fdebug_prefix_map_,
        OPT_frandom_seed and OPT_frandom_seed_.  Don't assert on
        OPT_fstack_limit.
        * opts.c: Don't include toplev.h, dbgcnt.h or debug.h.
        (set_struct_debug_option): Add location_t parameter.  Update
        recursive call.  Use error_at.
        (default_options_optimization): Use error_at.
        (finish_options): Add location_t parameter.  Use
        opts->x_flag_opts_finished instead of first_time_p.  Use
        opts->x_optimize instead of optimize.  Use error_at.  Pass
        location to inform.
        (print_filtered_help): Use opts->x_help_printed to track what
        options have been printed.
        (print_specific_help): Use opts->x_help_columns to track number of
        columns.
        (common_handle_option): Pass locations and gcc_options pointers to
        more functions.  Use warning_at instead of fnotice and warning.
        Don't handle OPT_fdbg_cnt_, OPT_fdbg_cnt_list or
        OPT_fdebug_prefix_map_.  Use error_at.  Set
        opts->x_initial_max_fld_align; don't set maximum_field_alignment.
        Don't handle OPT_frandom_seed or OPT_frandom_seed_.  Don't handle
        OPT_fsched_verbose_.
        (handle_param): Add location_r parameter.  Use error_at.
        (set_debug_level): Add location_r parameter.  Use error_at and
        warning_at.
        (setup_core_dumping): Add diagnostic_context parameter.
        (decode_d_option): Add gcc_options, location_t and
        diagnostic_context parameters and use them instead of global
        state.  Use warning_at.
        (enable_warning_as_error): Use error_at.
        * opts.h (finish_options): Update prototype.
        (set_struct_debug_option): Declare here.
        * rtl.h (fix_sched_param): Remove.
        * stor-layout.c (initial_max_fld_align): Remove.
        * toplev.c (rtl_dump_and_exit, flag_print_asm_name,
        graph_dump_format, flag_debug_asm, flag_dump_rtl_in_asm): Remove.
        (process_options): Set maximum_field_alignment.
        * tree.h (initial_max_fld_align) Don't declare here.
        * Makefile.in (opts.o, opts-global.o): Update dependencies.

2010-11-23  Joseph Myers  <joseph@codesourcery.com>

        * flag-types.h (struct visibility_flags): Don't declare here.
        * flags.h (strip_off_ending, fast_math_flags_set_p,
        fast_math_flags_struct_set_p): Declare here.
        (visibility_options): Don't declare here.
        * opts-common.c (option_enabled, get_option_state): Move from
        opts.c.
        * opts-global.c: Include diagnostic.h instead of
        diagnostic-core.h.  Include tree.h, langhooks.h, lto-streamer.h
        and toplev.h.
        (const_char_p, ignored_options, in_fnames, num_in_fnames,
        write_langs, complain_wrong_lang, postpone_unknown_option_warning,
        print_ignored_options, unknown_option_callback,
        post_handling_callback, lang_handle_option, add_input_filename,
        read_cmdline_options, initial_lang_mask, init_options_once,
        decode_cmdline_options_to_array_default_mask,
        set_default_handlers, decode_options): Move from opts.c.
        (print_ignored_options): Use warning_at instead of saving and
        restoring input_location.
        * opts.c: Include <signal.h> and <sys/resource.h>.  Include rtl.h
        instead of expr.h.  Don't include langhooks.h, except.h or
        lto-streamer.h.  Add more comments on includes.
        (strip_off_ending, setup_core_dumping, decode_d_option): Move from
        toplev.c.
        (visibility_options): Move to c-family/c-common.c.
        (const_char_p, ignored_options, in_fnames, num_in_fnames,
        write_langs, complain_wrong_lang, postpone_unknown_option_warning,
        print_ignored_options, unknown_option_callback,
        post_handling_callback, lang_handle_option, add_input_filename,
        read_cmdline_options, initial_lang_mask, init_options_once,
        decode_cmdline_options_to_array_default_mask,
        set_default_handlers, decode_options): Move to opts-global.c.
        (target_handle_option, default_options_optimization,
        finish_options, common_handle_option): Remove static.
        (option_enabled, get_option_state): Move to opts-common.c.
        * opts.h (common_handle_option, target_handle_option,
        finish_options, default_options_optimization): Declare.
        * toplev.c: Don't include <signal.h> or <sys/resource.h>.
        (setup_core_dumping, strip_off_ending, decode_d_option): Move to
        opts.c.
        * toplev.h (strip_off_ending, decode_d_option,
        fast_math_flags_set_p, fast_math_flags_struct_set_p): Don't
        declare here.
        * Makefile.in (opts.o, opts-global.o): Update dependencies.

2010-11-23  Dave Korn  <dave.korn.cygwin@gmail.com>

        PR driver/42690
        * gcc.c (LINK_COMMAND_SPEC): Remove hard-coded pass-through plugin
        options, replace by call of pass-through-libs spec function to process
        link_gcc_c_sequence spec.
        (lto_libgcc_spec): Delete variable.
        (static_specs[]): Remove related entry.
        (static_spec_functions[]): Add new entry for pass-through-libs.
        (main): Don't generate deleted lto_libgcc_spec.
        (pass_through_libs_spec_func): New function to implement the new
        pass-through-libs spec function.
        * doc/invoke.texi (pass-through-libs): Document new spec function.

2010-11-23  Joseph Myers  <joseph@codesourcery.com>

        * doc/options.texi (Warning, Optimization): Document.

2010-11-23  Jan Hubicka  <jh@suse.cz>

        * tree.h (DECL_HAS_IMPLICIT_SECTION_NAME_P): New macro.
        (tree_decl_with_vis): Add implicit_section_name_p.
        * targhooks.h (default_function_section): Declare.
        * target.def (function_section): New hook.
        * defaults.h (HOT_TEXT_SECTION_NAME,
        UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Remove.
        * predict.c (choose_function_section): Remove.
        (estimate_bb_frequencies): Do not use choose_function_section.
        * coretypes.h (enum node_frequency): Move here from cgraph.h
        * cgraph.h (enum node_frequency): Remove.
        * varasm.c (initialize_cold_section_name, unlikely_text_section,
        unlikely_text_section_p): Remove.
        (named_subsection_entry): New structure.
        (get_text_section): New function.
        (default_function_section): New function.
        (function_section_1): Break out from ...; handle profile info.
        (function_section): ... here.
        (unlikely_text_section): Remove.
        (unlikely_text_section_p): Use function_section_1.
        (assemble_start_function): Do not initialize cold section.
        (default_section_type_flags): Do not special case cold subsection.
        (switch_to_section): Likewise.
        * output.h (get_text_section): Define.
        * config/i386/winnt.c: Do not special case cold section.
        * config/darwin-protos.h (darwin_function_section): Declare.
        * config/microblaze/microblaze.h (HOT_TEXT_SECTION_NAME,
        UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Remove.
        * config/ia64/hpux.h (HOT_TEXT_SECTION_NAME,
        UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Remove.
        (TARGET_ASM_FUNCTION_SECTION): Define to ia64_hpux_function_section.
        * config/ia64/ia64.c (ia64_hpux_function_section): New function.
        * config/darwin.c (machopic_select_section): Use
        darwin_function_section.
        (darwin_function_section): New function.
        * config/darwin.h (HOT_TEXT_SECTION_NAME,
        UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Remove.
        (TARGET_ASM_FUNCTION_SECTION): Define.
        * system.h (HOT_TEXT_SECTION_NAME,
        UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Poison.

2010-11-23  Iain Sandoe  <iains@gcc.gnu.org>

        * config/darwin.h (LINK_COMMAND_SPEC_A): Use %(link_gcc_c_sequence).
        LINK_GCC_C_SEQUENCE_SPEC: Define new macro.

2010-11-23  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/46499
        * cfgexpand.c (maybe_cleanup_end_of_block): Remove also BARRIERs
        following unconditional jumps.

2010-11-23  Richard Guenther  <rguenther@suse.de>

        * doc/md.texi (386 constraints): Clarify A constraint documentation.

2010-11-23  Basile Starynkevitch  <basile@starynkevitch.net>
            Jeremie Salvucci  <jeremie.salvucci@free.fr>

        * gengtype.c (enum typekind, struct options)
        (struct nested_ptr_data, struct pair, NUM_PARAM)
        (enum gc_used_num, struct type, UNION_P, UNION_OR_STRUCT_P):
        Move to gengtype.h.
        (string_type, scalar_nonchar, scalar_nonchar, scalar_char):
        Remove static, add zero state_number.
        (typedefs, structures, param_structs, variables): Remove static.
        (create_option): Remove.
        (create_string_option, create_type_option, create_nested_option):
        New functions.
        (create_nested_ptr_option): Use create_nested_option.
        (note_variable, adjust_field_rtx_def, adjust_field_type): Call the
        new create*option functions.
        (process_gc_options): Adjust for discriminated option.
        (output_mangled_typename): Handle TYPE_NONE.
        (walk_type): Test option kinds.
        (write_types_process_field): Handle TYPE_NONE and TYPE_ARRAY.
        (write_func_for_structure, write_type, write_local, write_root)
        (write_roots, note_def_vec, dump_options): Adjust for
        discriminated option.

        * gengtype.h (typedefs, structures, param_structs, variables
        enum typekind): Move from gengtype.c
        (enum option_kind): New discriminating enumeration.
        (struct options): Becomes discriminated.
        (struct nested_ptr_data): Nove from gengtype.c
        (create_string_option, create_type_option, create_nested_option)
        (create_nested_ptr_option): New functions
        (struct pair, enum_gc_used_enum, NUM_PARAM, struct type, UNION_P)
        (UNION_OR_STRUCT_P): Move from gengtype.c

        * gengtype-parse.c (str_optvalue_opt, type_optvalue, option): Make
        discriminated options.

2010-11-23  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid doing work
        twice.  Avoid re-allocating the ops vector all the time.

2010-11-23  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-alias.c (refs_may_alias_p_1): Avoid calls to
        is_gimple_min_invariant, group tree code checks to allow
        combining them.
        (stmt_may_clobber_ref_p_1): Check for SSA_NAME instead
        of is_gimple_reg.

2010-11-23  Eric Botcazou  <ebotcazou@adacore.com>

        * config.gcc (sparc*-*-*): Reorder.

2010-11-23  Basile Starynkevitch  <basile@starynkevitch.net>

        * gengtype.c (header_dot_h_frul, source_dot_c_frul):
        Remove ENABLE_CHECKING around DBGPRINTF.

2010-11-22  Joseph Myers  <joseph@codesourcery.com>

        * common.opt (exit_after_options, write_symbols, debug_info_level,
        use_gnu_debug_info_extensions): New Variable entries.
        (fprofile-dir=): Use Var.
        * flag-types.h (enum debug_info_level): Rename to enum
        debug_info_levels.
        * flags.h (write_symbols, debug_info_level,
        use_gnu_debug_info_extensions): Remove declarations.
        * opts.c (exit_after_options, write_symbols, debug_info_level): Remove.
        (set_struct_debug_option): Make static variables const.
        (use_gnu_debug_info_extensions): Remove.
        (set_debug_level, print_filtered_help, print_specific_help,
        fast_math_flags_set_p): Take gcc_options parameters and use them
        in place of global variables.
        (print_filtered_help): Make new_help non-static.
        (print_specific_help): Update call to print_filtered_help.
        (common_handle_option): Update calls to print_specific_help.  Use
        gcc_options structure for more settings.  Make --help table
        const.  Don't handle OPT_fprofile_dir_ here.  Update calls to
        set_debug_level.
        * toplev.c (profile_data_prefix): Remove.
        * toplev.h (profile_data_prefix, exit_after_options): Remove
        declarations.
        (fast_math_flags_set_p): Update prototype.
        * cppbuiltin.c (define_builtin_macros_for_compilation_flags):
        Update call to fast_math_flags_set_p.

2010-11-22  Richard Henderson  <rth@redhat.com>

        PR target/46434
        * config/crx/crx.c (crx_addr_reg): Rename from crx_addr_reg_p;
        return the address register extracted.
        (crx_decompose_address): Update the extracted address register.

2010-11-22  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>

        PR driver/43335
        * gcc.c (main): Don't crash when lto-wrapper program is not found.

2010-11-22  Joern Rennecke  <amylaar@spamcop.net>

        PR target/46608
        * config/picochip/picochip.c (picochip_secondary_reload): Make static.
        * config/picochip/picochip-protos.h: Don't include "target.h" .
        (picochip_secondary_reload): Don't declare.

        PR target/46613
        * config/m32c/m32c-protos.h (m32c_conditional_register_usage): Declare.
        * config/m32c/m32c.c (m32c_conditional_register_usage): No longer
        static.

2010-11-22  H.J. Lu  <hongjiu.lu@intel.com>

        PR bootstrap/46609
        * gengtype.c (header_dot_h_frul): Check ENABLE_CHECKING.
        (source_dot_c_frul): Likewise.

2010-11-22  Basile Starynkevitch  <basile@starynkevitch.net>

        * gimple-pretty-print.c (dump_bb_header): Add check for cfun.

2010-11-22  Paolo Bonzini  <bonzini@gnu.org>

        PR bootstrap/44970
        * Makefile.in (fwprop.o) Add sparseset.h.
        * fwprop.c: Include sparseset.h
        (struct find_occurrence_data, find_occurrence_callback,
        find_occurrence): Remove.
        (active_defs, active_defs_check, register_active_defs,
        update_df_init, update_uses): New.
        (update_df): Rewrite.
        (try_fwprop_subst, forward_propagate_asm): Add calls to
        update_df_init and update_df.
        (fwprop_init): Allocate active_defs and active_defs_check.
        (fwprop_done): Free them.
        (fwprop, fwprop_addr): Adjust comments.
        * df.h (df_uses_create): Declare.
        * df-scan.c (df_install_ref_incremental): Break out of df_ref_create.
        (df_ref_create): Return result of df_ref_create_structure directly.
        (df_ref_create_structure): Call df_install_ref_incremental when
        no collection_rec is passed.
        (df_ref_record): Do not create multiword hard reg info when no
        collection_rec is passed.
        (df_uses_create): New.

2010-11-21  Uros Bizjak  <ubizjak@gmail.com>

        PR middle-end/43057
        * fold-const.c (pedantic_non_lvalue_loc): Unshare x before
        setting location.

2010-11-22  Richard Guenther  <rguenther@suse.de>

        * gimple-fold.c (maybe_fold_reference): When canonicalizing
        MEM_REFs, preserve volatileness.
        * cgraphbuild.c (mark_address): Properly check for FUNCTION_DECL
        addresses.

2010-11-22  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-ccp.c (get_base_constructor): Remove superfluous breaks.

2010-11-22  Alexander Monakov  <amonakov@ispras.ru>

        PR rtl-optimization/45652
        * alias.c (get_reg_base_value): New.
        * rtl.h (get_reg_base_value): Add prototype.
        * sel-sched.c (init_regs_for_mode): Use it.  Don't use registers with
        non-null REG_BASE_VALUE for renaming.

2010-11-22  Jeremie Salvucci  <jeremie.salvucci@free.fr>
            Basile Starynkevitch  <basile@starynkevitch.net>

        * gengtype.c: Include xregex.h and obstack.h
        Added comments about role of get_output_file_with_visibility and
        our regexpr machinery.
        (frul_actionrout_t, struct file_rule_st): New.
        (hader_dot_h_frul, source_dot_c_frul): New functions.
        (NULL_REGEX,  NULL_FRULACT): New.
        (files_rules): New.
        (matching_file_name_substitute): New function.
        (get_output_file_with_visibility): Updated comments and rewritten
        to use the new files_rules machinery.

        * Makefile.in (XREGEX_H): Added variable.
        (build/gengtype.o): Added dependencies for xregex.h and obstack.h

2010-11-21  Nathan Froyd  <froydnj@codesourcery.com>

        * system.h (FUNCTION_ARG_BOUNDARY): Really poison.

2010-11-21  Nathan Froyd  <froydnj@codesourcery.com>

        * target.def (conditional_register_usage): Define.
        * reginfo.c (init_reg_sets_1): Call
        targetm.conditional_register_usage.
        * system.h (CONDITIONAL_REGISTER_USAGE): Poison.
        * doc/tm.texi.in (CONDITIONAL_REGISTER_USAGE): Adjust language
        for making it a hook.
        * doc/tm.texi: Regenerate.
        * config/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Move logic...
        * config/alpha/alpha.c (alpha_conditional_register_usage): ...here.
        New function.
        (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
        * config/arc/arc.h (CONDITIONAL_REGISTER_USAGE): Move logic...
        * config/arc/arc.c (arc_conditional_register_usage): ...here.
        New function.
        (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
        * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Move logic...
        * config/arm/arm.c (arm_conditional_register_usage): ...here.
        New function.
        (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
        * config/bfin/bfin.h (CONDITIONAL_REGISTER_USAGE): Delete.
        * config/bfin/bfin-protos.h (conditional_register_usage): Delete.
        * config/bfin/bfin.c (conditional_register_usage): Move code into...
        (bfin_conditional_register_usage): ...here.  New function.
        (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
        * config/cris/cris.h (CONDITIONAL_REGISTER_USAGE): Delete.
        * config/cris/cris-protos.h (cris_conditional_register_usage): Delete.
        * config/cris/cris.c (cris_conditional_register_usage): Make static.
        (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
        * config/fr30/fr30.h (FIXED_REGISTERS): Adjust comment.
        * config/frv/frv.h (CONDITIONAL_REGISTER_USAGE): Delete.
        * config/frv/frv-protos.h (frv_conditional_register_usage): Delete.
        * config/frv/frv.c (frv_conditional_register_usage): Make static.
        (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
        * config/h8300/h8300.h (CONDITIONAL_REGISTER_USAGE): Move logic...
        * config/h8300/h8300.c (h8300_conditional_register_usage): ...here.
        New function.
        (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
        * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Delete.
        * config/i386/i386-protos.h (ix86_conditional_register_usage): Delete.
        * config/i386/i386.c (ix86_conditional_register_usage): Make static.
        (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
        * config/m32c/m32c.h (CONDITIONAL_REGISTER_USAGE): Delete.
        * config/m32c/m32c-protos.h (m32c_conditional_register_usage): Delete.
        * config/m32c/m32c.c (m32c_conditional_register_usage): Make static.
        (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
        * config/m32r/m32r.h (CONDITIONAL_REGISTER_USAGE): Move logic...
        * config/m32r/m32r.c (m32r_conditional_register_usage): ...here.
        New function.
        (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
        * config/m68hc11/m68hc11.h (CONDITIONAL_REGISTER_USAGE): Delete.
        * config/m68hc11/m68hc11-protos.h (m68hc11_conditional_register_usage):
        Delete.
        * config/m68hc11/m68hc11.c (m68hc11_conditional_register_usage): Make
        static.
        (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
        * config/mep/mep.h (CONDITIONAL_REGISTER_USAGE): Delete.
        * config/mep/mep-protos.h (mep_conditional_register_usage): Delete.
        * config/mep/mep.c (mep_conditional_register_usage): Make static.
        (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
        * config/mips/mips.h (CONDITIONAL_REGISTER_USAGE): Delete.
        * config/mips/mips-protos.h (mips_conditional_register_usage): Delete.
        * config/mips/mips.c (mips_conditional_register_usage): Make static.
        (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
        * config/mmix/mmix.h (CONDITIONAL_REGISTER_USAGE): Delete.
        * config/mmix/mmix-protos.h (mmix_conditional_register_usage): Delete.
        * config/mmix/mmix.c (mmix_conditional_register_usage): Make static.
        (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
        * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Move logic...
        * config/mn10300/mn10300.c (mn10300_conditional_register_usage):
        ...here.  New function.
        (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
        * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Move logic...
        * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): ...with this...
        * config/pa/pa.c (pa_conditional_register_usage): ...here.
        New function.
        (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
        * config/pdp11/pdp11.h (CONDITIONAL_REGISTER_USAGE): Move logic...
        * config/pdp11/pdp11.c (pdp11_conditional_register_usage): ...here.
        New function.
        (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
        * config/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Delete.
        * config/rs6000/rs6000-protos.h (rs6000_conditional_register_usage):
        Delete.
        * config/rs6000/rs6000.c (rs6000_conditional_register_usage): Make
        static.
        (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
        * config/rx/rx.h (CONDITIONAL_REGISTER_USAGE): Delete.
        * config/rx/rx-protos.h (rx_conditional_register_usage): Delete.
        * config/rx/rx.c (rx_conditional_register_usage): Make static.
        (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
        * config/s390/s390.h (CONDITIONAL_REGISTER_USAGE): Delete.
        * config/s390/s390-protos.h (s390_conditional_register_usage): Delete.
        * config/s390/s390.c (s390_conditional_register_usage): Make static.
        (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
        * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Move logic...
        * config/score/score.c (score_conditional_register_usage): ...here.
        New function.
        (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
        * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Move logic...
        * config/sh/sh.c (sh_conditional_register_usage): ...here.
        New function.
        (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
        * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Move logic...
        * config/sparc/sparc.c (sparc_conditional_register_usage): ...here.
        New function.
        (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
        * config/spu/spu.h (CONDITIONAL_REGISTER_USAGE): Delete.
        * config/spu/spu-protos.h (spu_conditional_register_usage): Delete.
        * config/spu/spu.c (spu_conditional_register_usage): Make static.
        (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
        * config/v850/v850.h (CONDITIONAL_REGISTER_USAGE): Move logic...
        * config/v850/v850.c (v850_conditional_register_usage): ...here.
        New function.
        (TARGET_CONDITIONAL_REGISTER_USAGE): Define.

2010-11-21  Jan Hubicka  <jh@suse.cz>
            Dominique d'Humieres <dominiq@lps.ens.ft>

        PR target/46510
        * tree-emutls.c (get_emutls_init_templ_addr, new_emutls_decl): Do not
        finalize external decls.

2010-11-21  Joseph Myers  <joseph@codesourcery.com>

        * system.h (strerror): Poison.

2010-11-21  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.c (ia64_expand_builtin): Use the correct mode
        for infq/huge_valq.

2010-11-21  Richard Henderson  <rth@redhat.com>

        PR rtl-optimization/46571
        * gcse.c (hash_scan_set): Use next_nonnote_nondebug_insn.
        (compute_hash_table_work): Use NONDEBUG_INSN_P.

2010-11-21  Paul Koning  <ni1d@arrl.net>

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

2010-11-21  Paul Koning  <ni1d@arrl.net>

        * config/mips/pdp11.c (pdp11_legitimate_address_p): New function.
        * config/mips/pdp11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.

2010-11-21  Eric Botcazou  <ebotcazou@adacore.com>

        * config/mips/mips.c (machine_function): Rename load_label_length to
        load_label_num_insns.
        (mips_load_label_length): Rename to...
        (mips_load_label_num_insns): ...this.  Adjust to first renaming.
        (mips_adjust_insn_length): Adjust to second renaming.  Fix thinko.

2010-11-21  Uros Bizjak  <ubizjak@gmail.com>

        PR target/46533
        * config/alpha/predicates.md (direct_call_operand): Return false
        for !TARGET_SMALL_TEXT targets.

2010-11-20  Joseph Myers  <joseph@codesourcery.com>

        * doc/tm.texi.in (HANDLE_SYSV_PRAGMA,
        HANDLE_PRAGMA_PACK_PUSH_POP): Remove.
        (HANDLE_PRAGMA_PACK_WITH_EXPANSION): Don't refer to HANDLE_SYSV_PRAGMA.
        * doc/tm.texi: Regenerate.
        * system.h (HANDLE_PRAGMA_PACK_PUSH_POP, HANDLE_SYSV_PRAGMA,
        HANDLE_PRAGMA_WEAK): Poison.
        * config/alpha/elf.h (HANDLE_SYSV_PRAGMA): Don't define.
        * config/alpha/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
        * config/alpha/osf5.h (HANDLE_SYSV_PRAGMA): Don't define.
        * config/alpha/vms.h (HANDLE_SYSV_PRAGMA): Don't define.
        * config/arm/arm.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
        * config/arm/netbsd.h (HANDLE_SYSV_PRAGMA): Don't define.
        * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
        * config/darwin.h (HANDLE_SYSV_PRAGMA): Don't define.
        (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
        * config/elfos.h (HANDLE_SYSV_PRAGMA): Don't define.
        * config/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
        * config/frv/frv.h (HANDLE_SYSV_PRAGMA): Don't define.
        * config/i386/cygming.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
        * config/i386/djgpp.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
        * config/i386/i386-interix.h (HANDLE_SYSV_PRAGMA): Don't define.
        (HANDLE_PRAGMA_WEAK): Don't undefine.
        * config/i386/netware.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
        * config/i386/vxworks.h (HANDLE_SYSV_PRAGMA): Don't define.
        * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
        * config/ia64/ia64.h (HANDLE_SYSV_PRAGMA): Don't define.
        * config/interix.h (HANDLE_SYSV_PRAGMA): Don't define.
        (HANDLE_PRAGMA_WEAK): Don't undefine.
        * config/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
        * config/m32r/linux.h (HANDLE_SYSV_PRAGMA): Don't define.
        (HANDLE_PRAGMA_PACK): Don't undefine.
        * config/m32r/m32r.h (HANDLE_SYSV_PRAGMA): Don't undefine.
        * config/mep/mep.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
        * config/mips/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
        * config/mips/sde.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
        * config/mmix/mmix.h (HANDLE_SYSV_PRAGMA): Don't define.
        * config/netbsd.h (HANDLE_SYSV_PRAGMA): Don't define.
        (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
        * config/openbsd.h (HANDLE_SYSV_PRAGMA): Don't define.
        * config/pa/pa-hpux.h (HANDLE_SYSV_PRAGMA): Don't define.
        (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
        * config/rs6000/aix.h (HANDLE_SYSV_PRAGMA): Don't define.
        * config/rs6000/sysv4.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
        * config/rx/rx.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
        * config/score/elf.h (HANDLE_SYSV_PRAGMA): Don't define.
        * config/spu/spu.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
        * config/stormy16/stormy16.h (HANDLE_SYSV_PRAGMA): Don't define.
        * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.

2010-11-20  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/31100
        * config/sparc/sparc.h (ASM_OUTPUT_ALIGN_WITH_NOP): Move to...
        * config/sparc/sol2.h (ASM_OUTPUT_ALIGN_WITH_NOP): ...here.
        * config/sparc/sol2-gas.h (ASM_OUTPUT_ALIGN_WITH_NOP): Undefine.

2010-11-20  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (ld_plugin_symbol_resolution_names): New.
        (dump_cgraph_node): Dump resolution.
        * cgraph.h (ld_plugin_symbol_resolution_names): Declare.
        (cgraph_comdat_can_be_unshared_p): Dclare.
        * lto-streamer-out.c (produce_symtab): Use
        cgraph_comdat_can_be_unshared_p.
        * ipa.c (cgraph_address_taken_from_non_vtable_p): New function.
        (cgraph_comdat_can_be_unshared_p): New function based on logic
        in cgraph_externally_visible_p.
        (cgraph_externally_visible_p): Use it.
        (varpool_externally_visible_p): Virtual tables can be unshared.
        * varpool.c (dump_varpool_node): Dump resolution.

2010-11-20  Jan Hubicka  <jh@suse.cz>

        * stmt.c (lshift_cheap_p): Support properly optimize_insn_for_speed_p.

2010-11-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR other/46202
        * Makefile.in (install_sh, INSTALL_STRIP_PROGRAM): New variables.
        (AR_FOR_TARGET, RANLIB_FOR_TARGET, STRIP_FOR_TARGET): Fix
        shell quoting.
        (STRIP_FOR_TARGET): Look for in-tree strip under name strip-new.
        (install-strip): New target.
        (STRIPPROG): New variable, exported if STRIP is set.
        * doc/install.texi (Final install): Minor markup and code style
        fixes.  Document install-strip target.

2010-11-20  Paul Koning  <ni1d@arrl.net>

        * config/pdp11/pdp11-protos.h (pdp11_initial_elimination_offset,
        pdp11_regno_reg_class): New functions.
        * config/pdp11/pdp11.md (define_constants): Add register numbers.
        * config/pdp11/pdp11.c (pdp11_regno_reg_class,
        pdp11_sp_frame_offset, pdp11_initial_elimination_offset): New
        functions.
        * config/pdp11/pdp11.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Add
        frame pointer and argument pointer pseudo-registers.
        (ARG_POINTER_REGNUM): Define.
        (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Add frame pointer and
        argument pointer.
        (FIRST_PARM_OFFSET): Update for argument pointer.
        (INITIAL_FRAME_POINTER_OFFSET): Delete.
        (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): New macros.
        (REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_INDEX_P, REGISTER_NAMES): Add
        frame pointer and argument pointer.

2010-11-20  Jakub Jelinek  <jakub@redhat.com>

        PR debug/46561
        * tree-parloops.c (try_create_redunction_list): Ignore debug stmts
        when looking for immediate uses.

        PR tree-optimization/45830
        * stmt.c (expand_switch_using_bit_tests_p): New function.
        (expand_case): Use it.
        * tree.h (expand_switch_using_bit_tests_p): New prototype.
        * tree-switch-conversion.c (struct switch_conv_info): Add
        bit_test_uniq, bit_test_count and bit_test_bb fields.
        (check_range): Fix a comment.
        (check_process_case): Compute bit_test_uniq and bit_test_count.
        (create_temp_arrays): Use XCNEWVEC, merge 3 arrays into one
        allocation.
        (free_temp_arrays): Use XDELETEVEC, adjust for the 3 arrays merging.
        (constructor_contains_same_values_p): Use FOR_EACH_VEC_ELT.
        (array_value_type): New function.
        (build_one_array): Use it, if it returned different type,
        fold_convert all constructor fields and convert back to the
        wider type in the generated code.
        (process_switch): Initialize bit_test_uniq, bit_test_count and
        bit_test_bb fields.  Don't optimize if expand_switch_using_bit_tests_p
        returned true.

2010-11-19  Michael Matz  <matz@suse.de>

        PR tree-optimization/46077
        * tree-chrec.c (eq_evolutions_p): Accept some expressions.

2010-11-19  Anatoly Sokolov  <aesok@post.ru>

        * config/mn10300/mn10300.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
        * config/mn10300/mn10300.c (mn10300_asm_output_addr_const_extra): New
        function.
        (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.

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

        * mode-switching.c (optimize_mode_switching): Use
        FOR_BB_INSNS instead of open-coded loop.
        * cfgrtl.c (redirect_branch_edge): Ditto.

2010-11-19  Joern Rennecke  <amylaar@spamcop.net>

        PR target/46436
        * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Split shift count
        to accomodate 32 bit HOST_WIDE_INT.
        (m68hc11_emit_logical): Remove unused variable insn.
        (m68hc11_check_z_replacement) <CLOBBER>: Set this_insn_uses_ix and
        this_insn_uses_iy before use.

        PR target/46434
        * config/crx/crx.c (crx_expand_epilogue): Remove unused variable.

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

        PR c/46547
        * c-tree.h (in_late_binary_op): Move to c-family/c-common.h.
        * c-typeck.c (in_late_binary_op): Move to c-family/c-common.c.

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

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

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

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

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

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

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

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

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

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

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