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

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.

        * config/rs6000/rs6000.h (top level): Include rs6000-opts.h if it
        wasn't already included.
        (enum rs6000_cmodel): Move to rs6000-opts.h or rs6000.opt.
        (enum processor_type): Ditto.
        (rs6000_cpu): Ditto.
        (enum fpu_type_t): Ditto.
        (fpu_type): Ditto.
        (enum rs6000_dependence_cost): Ditto.
        (enum rs6000_nop_insertion): Ditto.
        (enum group_termination): Ditto.
        (rs6000_long_double_type_size): Ditto.
        (rs6000_ieeequad): Ditto.
        (rs6000_altivec_abi): Ditto.
        (rs6000_spe_abi): Ditto.
        (rs6000_spe): Ditto.
        (rs6000_float_gprs): Ditto.
        (rs6000_alignment_flags): Ditto.
        (rs6000_sched_insert_nops): Ditto.
        (enum rs6000_vector): Ditto.
        (enum rs6000_abi): Ditto.
        (rs6000_current_opt): Ditto.
        (rs6000_debug_*): Delete.
        (MASK_DEBUG*): Combine -mdebug=xxxx into one int.
        (TARGET_DEBUG*): Ditto.

        * config/rs6000/rs6000-opts.h: New header file to define the enums
        that are used in target variables that are now defined in rs6000.opt.

        * config/rs6000/sysv4.h (enum rs6000_sdata_type): Move to
        rs6000-opts.h.
        (rs6000_sdata): Ditto.
        (rs6000_abi_name): Delete.
        (rs6000_sdata_name): Ditto.
        (rs6000_tls_size_string): Ditto.

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

        * common.opt (debug_struct_ordinary, debug_struct_generic): New
        Variable entries.
        * dwarf2out.c (matches_main_base, dump_struct_debug, DUMP_GSTRUCT,
        should_emit_struct_debug): Move from opts.c.
        * flag-types.h (enum debug_struct_file): Move from opts.c.
        * flags.h (should_emit_struct_debug): Remove.
        (base_of_path): Declare.
        (set_struct_debug_option): Add gcc_options parameter.
        * optc-gen.awk, opth-gen.awk: Handle array variables.
        * opts.c (enum debug_struct_file, debug_struct_ordinary,
        debug_struct_generic): Remove.
        (set_struct_debug_option): Add gcc_options parameter.
        (base_of_path): Remove static.
        (main_input_basename, main_input_baselength, matches_main_base,
        dump_struct_debug, DUMP_GSTRUCT, should_emit_struct_debug):
        Remove.
        * toplev.c (main_input_basename, main_input_baselength): Define
        here.
        * toplev.h (main_input_basename, main_input_baselength): Declare
        here.

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

        * common.opt (flag_instrument_functions_exclude_functions,
        flag_instrument_functions_exclude_files): New Variable definitions.
        * flags.h (flag_instrument_functions_exclude_p): Don't declare.
        * gimplify.c (char_p): Declare type and vectors.
        (flag_instrument_functions_exclude_p): Moved from opts.c.  Make static.
        * opts.c (flag_instrument_functions_exclude_functions,
        flag_instrument_functions_exclude_files): Remove.
        (add_comma_separated_to_vector): Take void **.
        (flag_instrument_functions_exclude_p): Move to gimplify.c.
        (common_handle_option): Use options structure for
        -finstrument-functions-exclude- options.

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

        * doc/options.texi (Var): Document effects of Defer.
        (Defer): Document.
        * opt-functions.awk (var_type, var_set): Handle deferred options.
        * opts-common.c (set_option): Handle CLVC_DEFER.
        * common.opt (fcall-saved-, fcall-used-, fdump-, ffixed-,
        fplugin=, fplugin-arg-, fstack-limit, fstack-limit-register=,
        fstack-limit-symbol=): Mark as deferred.
        * opts.c: Don't include rtl.h, ggc.h, output.h, tree-pass.h or
        plugin.h.
        (print_filtered_help): Don't report state of CLVC_DEFER options.
        (common_handle_option): Move code for OPT_fcall_used_,
        OPT_fcall_saved_, OPT_fdump_, OPT_ffixed_, OPT_fplugin_,
        OPT_fplugin_arg_, OPT_fstack_limit, OPT_fstack_limit_register_ and
        OPT_fstack_limit_symbol_ to opts-global.c.
        (option_enabled, get_option_state): Handle CLVC_DEFER.
        * opts.h: Include vec.h.
        (enum cl_var_type): Add CLVC_DEFER.
        (cl_deferred_option): Define type and vectors.
        (handle_common_deferred_options): Declare.
        * opts-global.c: New.
        * toplev.c (toplev_main): Call handle_common_deferred_options
        * Makefile.in (OPTS_H): Include $(VEC_H).
        (OBJS-common): Include opts-global.o.
        (opts.o): Update dependencies.
        (opts-global.o): Add dependencies.

2010-11-19  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-parser.c (c_parser_objc_protocol_definition): Pass attributes
        to objc_declare_protocols.

2010-11-19  Richard Guenther  <rguenther@suse.de>

        PR lto/45789
        * lto-streamer-out.c (lto_output_ts_common_tree_pointers): For
        IDENTIFIERs do not stream TREE_TYPE.
        * lto-streamer-in.c (lto_input_ts_common_tree_pointers): Likewise.

2010-11-19  Christian Borntraeger  <borntraeger@de.ibm.com>

        * config/s390/s390.c (s390_function_arg_integer): Handle NULLPTR_TYPE.

2010-11-19  Jakub Jelinek  <jakub@redhat.com>

        PR target/45870
        * dwarf2out.c (const_ok_for_output_1): Don't complain about
        non-delegitimized TLS UNSPECs.

2010-11-18  Jack Howarth  <howarth@bromo.med.uc.edu>
            Ian Lance Taylor  <iant@google.com>

        * config/darwin-c.c (darwin_additional_format_types): Export.

2010-11-18  Paul Koning  <ni1d@arrl.net>

        * config/pdp11/pdp11.h (FIRST_PARM_OFFSET): Fix case of no frame
        pointer.

2010-11-18  Paul Koning  <ni1d@arrl.net>

        * config/pdp11/pdp11.md (abshi2): Delete TARGET_ABSHI_BUILTIN.
        * config/pdp11/pdp11.c (TARGET_DEFAULT_TARGET_FLAGS): Ditto.
        * config/pdp11/pdp11.opt (-mabshi): Delete.

2010-11-19  Mingjie Xing  <mingjie.xing@gmail.com>

        * resource.h (struct resources): Fix typo in the comment.

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

        PR target/46546
        * config/i386/i386.c (ix86_reorg): Call compute_bb_for_insn.

2010-11-18  Richard Henderson  <rth@redhat.com>

        PR middle-end/46515
        * function.c (maybe_copy_prologue_epilogue_insn): Rename from
        maybe_copy_epilogue_insn; handle prologue insns as well.
        * rtl.h, cfglayout.c: Update for rename.
        * recog.c (peep2_attempt): Copy prologue/epilogue data for
        RTX_FRAME_RELATED_P insns.

2010-11-18  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/46534
        * builtins.c (fold_builtin_printf): Don't copy and modify string
        before build_string_literal, instead modify what
        build_string_literal returned.

2010-11-18  Nathan Froyd  <froydnj@codesourcery.com>

        PR c/33193
        * c-typeck.c (build_unary_op): Call build_real_imag_expr for
        REALPART_EXPR and IMAGPART_EXPR.

2010-11-18  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/46172
        * tree-vect-loop-manip.c (remove_dead_stmts_from_loop): New
        function.
        (slpeel_tree_peel_loop_to_edge): Call it.

2010-11-18  Jeff Law  <law@redhat.com>

        PR middle-end-optimization/46297
        * postreload.c (reload_combine_note_store): Deal with embedded
        side effects in MEM expressions.

2010-11-18  Richard Guenther  <rguenther@suse.de>

        PR lto/45089
        * dwarf2out.c (add_AT_die_ref): Work around LTO losing types
        when checking is not enabled.

2010-11-18  Richard Guenther  <rguenther@suse.de>

        PR lto/46525
        * gimple.c (gimple_register_type): Update TYPE_MAIN_VARIANT of
        type leaders.
        (gimple_register_canonical_type): Also cache the canoncial type
        for non type leaders.

2010-11-18  Richard Guenther  <rguenther@suse.de>

        * lto-wrapper.c (run_gcc): Fix -flto=N parsing.

2010-11-18  Alexander Monakov  <amonakov@ispras.ru>

        PR middle-end/46518
        * sel-sched-ir.c (init_expr): Use the correct type for
        target_available.
        * sel-sched.c (fill_vec_av_set): Use explicitly signed char type.

2010-11-17  Joakim Tjernlund  <Joakim.Tjernlund@transmode.se>

        * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Support -fpic
        as well as -mrelocatable at the same time.

2010-11-17  Quentin Neill  <quentin.neill.gnu@gmail.com>

        PR target/46422
        * config/i386/bmiintrin.h (__lzcnt_u16, __lzcnt_u32, __lzcnt_u64):
        Call the clz builtin.

2010-11-17  Dinar Temirbulatov <dtemirbulatov@gmail.com>
            Steve Ellcey  <sje@cup.hp.com>

        PR middle-end/31490
        * varasm.c (categorize_decl_for_section): Ignore reloc_rw_mask
        if section attribute used.

2010-11-17  Jan Hubicka  <jh@suse.cz>

        * builtins.c (expand_builtin_mathfn_2, expand_builtin_mathfn): Do not
        expand errno setting variant when optimizing for size.

2010-11-17  Eric Botcazou  <ebotcazou@adacore.com>

        * postreload.c (reload_combine): Call control_flow_insn_p only once.
        Reverse backward loop.  Fix formatting issues.

2010-11-17  Paolo Bonzini  <bonzini@gnu.org>

        * c-parser.c (c_token_is_qualifier,
        c_parser_next_token_is_qualifier): New.
        (c_parser_declaration_or_fndef, c_parser_struct_declaration):
        Improve error message on specs->tagdef_seen_p.
        (c_parser_struct_or_union_specifier): Improve error recovery.
        (c_parser_declspecs): Move exit condition on C_ID_ID early.
        Reorganize exit condition for C_ID_TYPENAME/C_ID_CLASSNAME
        using c_parser_next_token_is_qualifier; extend it to cover
        a ctsk_tagdef typespec and !typespec_ok in general.

2010-11-17  Richard Guenther  <rguenther@suse.de>

        * value-prof.c (gimple_divmod_fixed_value_transform): Update the stmt.
        (gimple_mod_pow2_value_transform): Likewise.
        (gimple_mod_subtract_transform): Likewise.

2010-11-17  Richard Guenther  <rguenther@suse.de>

        PR lto/46504
        * gimple.c (gimple_register_canonical_type): Make sure to only
        make type leaders canonical types.

2010-11-17  Michael Matz  <matz@suse.de>

        * timevar.def (TV_IPA_OPT, TV_EARLY_LOCAL, TV_OPTIMIZE,
        TV_POSTRELOAD, TV_REMOVE_UNUSED, TV_ADDRESS_TAKEN, TV_TODO,
        TV_VERIFY_LOOP_CLOSED, TV_VERIFY_RTL_SHARING,
        TV_REBUILD_FREQUENCIES, TV_REPAIR_LOOPS): New.
        * tree-into-ssa.c (rewrite_into_ssa): Don't push/pop timevar here ...
        (pass_build_ssa): ... but here.
        * cgraphbuild.c (pass_rebuild_cgraph): Use timevar.
        * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Use timevar.
        * tree-emutls.c (pass_ipa_lower_emutls): Ditto.
        * df-core.c (pass_df_initialize_opt, pass_df_initialize_no_opt): Ditto.
        * predict.c (rebuild_frequencies): Ditto.
        * tree-vectorizer.c (pass_ipa_increase_alignment): Ditto.
        * emit-rtl.c (verify_rtl_sharing): Ditto.
        * tree-cfgcleanup.c (repair_loop_structures): Ditto.
        * tree-ssa-live.c (remove_unused_locals): Ditto.
        * cfglayout.c (pass_into_cfg_layout, pass_outof_cfg_layout): Ditto.
        * tree-ssa.c (pass_early_warn_uninitialized,
        execute_update_addresses_taken, pass_update_address_taken): Ditto.
        * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
        pass_cleanup_cfg_post_optimizing, tree_rest_of_compilation): Ditto.
        * passes.c (pass_postreload, execute_todo): Ditto.
        * tree-ssanames.c (pass_release_ssa_names): Ditto.

2010-11-17  Joseph Myers  <joseph@codesourcery.com>

        * doc/invoke.texi (-dy): Remove.
        * langhooks-def.h (lhd_do_nothing_i): Don't declare.
        (LANG_HOOKS_PARSE_FILE): Define to lhd_do_nothing.
        * langhooks.c (lhd_do_nothing_i): Remove.
        * langhooks.h (lang_hooks.parse_file): Take no arguments.
        * toplev.c (set_yydebug): Remove.
        (compile_file): Update call to lang_hooks.parse_file.
        (decode_d_option): Don't handle -dy.

2010-11-17  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/46440
        * combine.c (update_cfg_for_uncondjump): When changing
        an indirect jump into unconditional jump, remove BARRIERs
        from bb's footer.

2010-11-17  Joseph Myers  <joseph@codesourcery.com>

        * opts.c (target_handle_option): Do not assert that loc ==
        UNKNOWN_LOCATION.

2010-11-17  Jakub Jelinek  <jakub@redhat.com>
            Richard Guenther  <rguenther@suse.de>

        PR middle-end/45838
        * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
        call_may_clobber_ref_p_1): Return true for __sync_* and some
        OpenMP builtins that act as threading barriers.

2010-11-17  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/46498
        * tree-ssa-dce.c (perform_tree_ssa_dce): Compute dominator info.

2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>

        * config/xtensa/xtensa.c (function_arg_boundary): Really rename to...
        (xtensa_function_arg_boundary): ...this.
        * config/picochip/pichochip.c (picochip_function_arg_boundary): Fix
        thinko in declaration.
        (picochip_function_arg, picochip_arg_partial_bytes): Pass proper
        number of parameters to picochip_function_arg_boundary.
        (picochip_arg_advance): Likewise.

2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>

        PR target/46512
        * config/pa/pa.c (pa_function_arg_boundary): Move TYPE_SIZE accesses
        under check for type.

2010-11-16  Eric Botcazou  <ebotcazou@adacore.com>

        * ifcvt.c (dead_or_predicable): Fix typo.

2010-11-16  Richard Henderson  <rth@redhat.com>

        * config.gcc [s390*-*] (extra_options): Add fused-madd.opt.
        * config/s390/s390.opt (mfused-madd): Remove.
        * config/s390/s390.c (s390_rtx_costs): Handle FMA.
        (TARGET_DEFAULT_TARGET_FLAGS): Remove MASK_FUSED_MADD.
        * config/s390/s390.md (fma<DSF>4): Rename from *fmadd<DSF>; use FMA.
        (fms<DSF>4): Rename from *fmsub<DSF>; use FMA.

2010-11-16  Richard Henderson  <rth@redhat.com>

        * config.gcc [powerpc*, rs6000*] (extra_options): Add fused-madd.opt.
        * config/rs6000/rs6000.opt (mfused-madd): Remove.
        * config/rs6000/altivec.md (altivec_vmaddfp): Remove.
        (*altivec_vmaddfp_1): Remove.
        (*altivec_fmav4sf4): Rename from altivec_vmaddfp_2; use FMA.
        (altivec_mulv4sf3): Expand to FMA directly.
        (*altivec_vnmsubfp): Rename from altivec_vnmsubfp.
        (*altivec_vnmsubfp_1, *altivec_vnmsubfp_2): Remove.
        * config/rs6000/paired.md (paired_madds0): Use FMA.
        (paired_madds1): Likewise.
        (*paired_madd): Rename from paired_madd; use FMA.
        (*paired_msub, *paired_nmadd, *paired_nmsub): Similarly.
        * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Do not
        consider TARGET_FUSED_MADD wrt rs6000_recip_control.
        (bdesc_3arg): Update CODE_FOR_* for pattern renames.
        (rs6000_emit_madd): Use fma_optab.
        (rs6000_emit_msub): Use fms_optab.
        (rs6000_emit_nmsub): Expand the FMA pattern directly.
        * config/rs6000/rs6000.md (FMA_F): New mode iterator.
        (*fmasf4_fpr): Rename from fmasf4_fpr.
        (*nfmasf4_fpr): Rename from *fnmasf4_fpr.
        (*nfmssf4_fpr): Rename from *fnmssf4_fpr.
        (*fmaddsf4_powerpc, *fmaddsf4_power, *fmsubsf4_powerpc): Remove.
        (*fmsubsf4_power, *fnmaddsf4_powerpc_1, *fnmaddsf4_powerpc_2): Remove.
        (*fnmaddsf4_power_1, *fnmaddsf4_power_2, *fnmsubsf4_powerpc_1): Remove.
        (*fnmsubsf4_powerpc_2, *fnmsubsf4_power_1, *fnmsubsf4_power_2): Remove.
        (*fmadf4_fpr): Rename from fmadf4_fpr.
        (*nfmadf4_fpr): Rename from *fnmadf4_fpr.
        (*nfmsdf4_fpr): Rename from *fnmsdf4_fpr.
        (*fmadddf4_fpr, *fmsubdf4_fpr, *fnmadddf4_fpr_1): Remove.
        (*fnmadddf4_fpr_2, *fnmsubdf4_fpr_1, *fnmsubdf4_fpr_2): Remove.
        (fmasf4, fmadf4): Macroize into...
        (fma<FMA_F>4): ... here.
        (fms<FMA_F>4, fnma<FMA_F>4, fnms<FMA_F>4): New.
        (nfma<FMA_F>4, nfms<FMA_F>4): New.
        * config/rs6000/vector.md (mul<VEC_F>3): Do not depend on
        TARGET_FUSED_MADD.
        * config/rs6000/vsx.md (vsx_fmadd<VSX_B>4): Remove.
        (*vsx_fmadd<mode>4_1): Remove.
        (vsx_fmsub<mode>4, *vsx_fmsub<mode>4_1): Remove.
        (vsx_fnmadd<mode>4_1, vsx_fnmadd<mode>4_2): Remove.
        (vsx_fnmsub<mode>4_1, vsx_fnmsub<mode>4_2): Remove.
        (*vsx_fma<mode>4): Rename from vsx_fmadd<mode>4_2.
        (*vsx_fms<mode>4): Rename from vsx_fmsub<mode>4_2.
        (*vsx_nfma<mode>4): Rename from vsx_fnmadd<mode>4.
        (*vsx_nfms<mode>4): Rename from vsx_fnmsub<mode>4.

2010-11-16  Richard Henderson  <rth@redhat.com>

        * config/pa/pa.md (fmadf4): Rename from unnamed; use FMA.
        (fmasf4, fnmadf4, fnmasf4): Likewise.
        (unnamed plus+mult insns and splitters): Delete.

2010-11-16  Richard Henderson  <rth@redhat.com>

        * config/spu/spu.md (fma<VSF>4): Rename from fma_<VSF>.
        (fnma<VSF>4): Rename from fnms_<VSF>.
        (fms<VSF>4): Rename from fms_<VSF>.
        (fma<VDF>4): Rename from fma_<VDF>.
        (fms<VDF>4): Rename from fms_<VDF>.
        (nfma<VDF>4): Rename from fnma_<VDF>.
        (nfms<VDF>4): Rename from fnms_<VDF>.
        (fnma<VDF>4, fnms<VDF>4): New expanders.
        (floatunsdisf2): Update for the renames.
        (*div<VSF>3_fast, *div<VSF>3_adjusted): Likewise.
        * config/spu/spu-builtins.def: Update CODE_FOR_* for the renames.

2010-11-16  Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/46490
        * combine.c (expand_compound_operation): Fix thinko.

2010-11-16  Richard Henderson  <rth@redhat.com>

        PR target/46470
        * recog.c (peep2_attempt): Convert frame-related info when possible.
        (peep2_fill_buffer): Allow frame-related insns into the buffer.
        (peephole2_optimize): Allow peep2_attempt to fail.

2010-11-16  Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/46315
        * rtl.h (remove_reg_equal_equiv_notes_for_regno): Declare.
        * rtlanal.c (remove_reg_equal_equiv_notes_for_regno): New function
        extracted from...
        * dce.c (delete_corresponding_reg_eq_notes): ...here.  Rename into...
        (remove_reg_equal_equiv_notes_for_defs): ...this.
        (delete_unmarked_insns): Adjust to above renaming.
        * ifcvt.c (dead_or_predicable): Remove REG_EQUAL and REG_EQUIV notes
        referring to registers set in the insns being moved, if any.

        * df-core.c (df_ref_dump): New function extracted from...
        (df_refs_chain_dump): ...here.  Call it.
        (df_regs_chain_dump): Likewise.
        * df-problems.c (df_chain_dump): Print 'e' for uses in notes.
        * df-scan.c (df_scan_start_dump): Likewise.  Fix long line.

2010-11-16  Andreas Schwab  <schwab@linux-m68k.org>

        PR rtl-optimization/46395
        * postreload.c (reload_combine): Invalidate register use
        information on all control flow insns.

        * config/m68k/m68k.c (m68k_delegitimize_address): Also expect
        LABEL_REF in UNSPEC operand.

2010-11-16  Jan Hubicka  <jh@suse.cz>

        * cgraph.h (+varpool_can_remove_if_no_refs): Move here from ...;
        when !flag_toplevel_reorder do not remove unless variable is
        COMDAT or ARTIFICIAL.
        * ipa.c (varpool_can_remove_if_no_refs): ... here.
        (cgraph_remove_unreachable_nodes): Only analyzed nodes needs to stay.
        * cgraphunit.c (cgraph_analyze_functions): Dump varpool, too.
        * varpool.c (decide_is_variable_needed): Do not handle visibility
        issues.
        (varpool_finalize_decl): Likewise.
        (varpool_remove_unreferenced_decls): Use varpool_mark_needed_node;
        update outdated comment on DECL_RTL_SET_P check.

2010-11-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/sol2.h (NM_FLAGS): Define.
        * doc/tm.texi.in (Macros for Initialization, NM_FLAGS): Document.
        * doc/tm.texi: Update.

2010-11-16  Nick Clifton  <nickc@redhat.com>

        * config/v850/v850.md (maddsf4): Rename to fmasf4 and use fma rtx_code.
        (msubsf4): Rename to fmssf4, and use fma.
        (nmaddsf4): Rename to fnmasf4 and use fma.
        (nmsubsf4): Rename to fnmssf4 and use fma.

2010-11-16  Joern Rennecke  <amylaar@spamcop.net>

        PR target/44762
        * config/score/score3.c (score3_return_in_memory): Constify arguments.
        (score3_in_small_data_p, score3_function_value): Likewise.
        (score3_trampoline_init): Use LCT_NORMAL.
        (score3_print_operand): Initialize code as UNKNOWN.
        * config/score/predicates.md (score_load_multiple_operation):
        Remove unused variable.
        (score_store_multiple_operation): Likewise.
        * config/score/score7.c (score7_return_in_memory): Constify arguments.
        (score7_in_small_data_p, score7_function_value): Likewise.
        (score7_trampoline_init): Use LCT_NORMAL.
        (score7_print_operand): Initialize code as UNKNOWN.
        * config/score/score3.h (score3_return_in_memory): Update prototype.
        (score3_in_small_data_p, score3_function_value): Likewise.
        * config/score/score-protos.h (score_function_value): Likewise.
        * config/score/score7.h (score7_return_in_memory): Update prototype.
        (score7_in_small_data_p, score7_function_value): Likewise.
        * config/score/score.c (TARGET_PROMOTE_PROTOTYPES): Constify.
        (score_return_in_memory, score_pass_by_reference): Constify arguments.
        (score_output_mi_thunk, score_function_prologue): Don't return a value.
        (score_function_epilogue, score_in_small_data_p): Likewise.
        (score_option_override, score_asm_trampoline_template): Likewise.
        (score_trampoline_init, score_print_operand): Likewise.
        (score_print_operand_address, score_prologue): Likewise.
        (score_epilogue, score_call, score_call_value): Likewise.
        (score_movsicc, score_movdi, score_zero_extract_andi): Likewise.
        (score_function_arg_advance): Likewise. Make static.
        (score_asm_file_end): Mark parameter value with ATTRIBUTE_UNUSED.
        (score_function_arg, score_legitimate_address_p): Make static.
        (score_function_value): Mark parameter func with ATTRIBUTE_UNUSED.
        * config/score/score.h (REGNO_REG_CLASS): Cast value to enum reg_class.
        * config/score/score-conv.h (UIMM_IN_RANGE, SIMM_IN_RANGE):
        Allow (W) == HOST_BITS_PER_WIDE_INT.

        PR java/46386
        * config/pdp11/t-pdp11 (java/constants.o-warn): Remove.
        * config/t-pnt16-warn (java/constants.o-warn): Likewise.

2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>

        * config/arc/arc.c: Delete pasto.
        * config/pa/pa.c (pa_function_arg_boundary): Add missing comparison.

2010-11-16  Anatoly Sokolov  <aesok@post.ru>

        * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS,
        PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
        * config/mn10300/mn10300.c (TARGET_PREFERRED_RELOAD_CLASS,
        TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
        (mn10300_preferred_reload_class,
        mn10300_preferred_output_reload_class): New functions.

2010-11-16  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * gensupport.c (MNEMONIC_ATTR_NAME, MNEMONIC_HTAB_SIZE): New macros.
        (htab_eq_string, add_mnemonic_string, gen_mnemonic_setattr)
        (mnemonic_htab_callback, gen_mnemonic_attr): New functions.
        (init_rtx_reader_args_cb): Invoke gen_mnemonic_attr.

2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>

        * builtins.c (std_gimplify_va_arg_expr): Use
        targetm.calls.function_arg_boundary.
        * function.c (assign_parms, locate_and_pad_parm): Likewise.
        * calls.c (struct arg_data): Update comment.
        * defaults.h (FUNCTION_ARG_BOUNDARY): Delete.
        * target.def (function_arg_boundary): Define.
        * targhooks.h (default_function_arg_boundary): Declare.
        * targhooks.c (default_function_arg_boundary): Define.
        * doc/tm.texi.in (FUNCTION_ARG_PADDING): Use
        TARGET_FUNCTION_ARG_BOUNDARY.
        (FUNCTION_ARG_BOUNDARY): Delete.
        (TARGET_FUNCTION_ARG_BOUNDARY): New.
        * doc/tm.texi: Regenerate.
        * system.h (FUNCTION_ARG_BOUNDARY): Poison.
        * config/arc/arc.h (FUNCTION_ARG_BOUNDARY): Delete.
        * config/arc/arc.c (arc_function_arg_boundary): Define.
        (TARGET_FUNCTION_ARG_BOUNDARY): Define.
        * config/arm/arm.h (FUNCTION_ARG_BOUNDARY): Delete.
        * config/arm/arm-protos.h (arm_needs_doubleword_align): Delete.
        * config/arm/arm.c (arm_needs_doubleword_align): Make static.
        (arm_function_arg_boundary): Define.
        (TARGET_FUNCTION_ARG_BOUNDARY): Define.
        * config/frv/frv.h (FUNCTION_ARG_BOUNDARY): Delete.
        * config/frv/frv-protos.h (frv_function_arg_boundary): Delete.
        * config/frv/frv.c (frv_function_arg_boundary): Make static.
        (TARGET_FUNCTION_ARG_BOUNDARY): Define.
        * config/i386/i386.h (FUNCTION_ARG_BOUNDARY): Delete.
        * config/i386/i386-protos.h (ix86_function_arg_boundary): Delete.
        * config/i386/i386.c (ix86_function_arg_boundary): Make static.
        (ix86_compat_function_arg_boundary): Take and return unsigned int.
        (TARGET_FUNCTION_ARG_BOUNDARY): Define.
        * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Delete.
        * config/ia64/ia64-protos.h (ia64_function_arg_boundary): Delete.
        * config/ia64/ia64.c (ia64_function_arg_boundary): Make static.
        (TARGET_FUNCTION_ARG_BOUNDARY): Define.
        * config/m32c/m32c.h (FUNCTION_ARG_BOUNDARY): Delete.
        * config/m32c/m32c.c (m32c_function_arg_boundary): Define.
        (TARGET_FUNCTION_ARG_BOUNDARY): Define.
        * config/m32r/m32r.h (FUNCTION_ARG_BOUNDARY): Delete.
        * config/mcore/mcore.h (FUNCTION_ARG_BOUNDARY): Delete.
        * config/mcore/mcore.c (mcore_function_arg_boundary): Define.
        (TARGET_FUNCTION_ARG_BOUNDARY): Define.
        * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Delete.
        * config/mips/mips-protos.h (mips_function_arg_boundary): Delete.
        * config/mips/mips.c (mips_function_arg_boundary): Make static.
        (TARGET_FUNCTION_ARG_BOUNDARY): Define.
        * config/pa/pa.h (FUNCTION_ARG_BOUNDARY): Delete.
        * config/pa/pa.c (pa_function_arg_boundary): Define.
        (TARGET_FUNCTION_ARG_BOUNDARY): Define.
        * config/picochip/picochip.h (FUNCTION_ARG_BOUNDARY): Delete.
        * config/picochip/picochip-protos.h
        (picochip_get_function_arg_boundary): Delete.
        * config/picochip/picochip.c (picochip_get_function_arg_boundary):
        Rename to...
        (picochip_function_arg_boundary): ...this.  Make static.
        (picochip_function_arg, picochip_arg_partial_bytes): Adjust.
        (picochip_arg_advance): Adjust.
        (TARGET_FUNCTION_ARG_BOUNDARY): Define.
        * config/rs6000/rs6000.h (FUNCTION_ARG_BOUNDARY): Delete.
        * config/rs6000/rs6000-protos.h (function_arg_boundary): Delete.
        * config/rs6000/rs6000.c (function_arg_boundary): Rename to...
        (rs6000_function_arg_boundary): ...this.  Make static.
        (rs6000_parm_start, rs6000_gimplify_va_arg): Adjust.
        (TARGET_FUNCTION_ARG_BOUNDARY): Define.
        * config/rx/rx.h (FUNCTION_ARG_BOUNDARY): Delete.
        * config/rx/rx.c (rx_function_arg_boundary): Define.
        (TARGET_FUNCTION_ARG_BOUNDARY): Define.
        * config/sparc/sparc.h (FUNCTION_ARG_BOUNDARY): Delete.
        * config/sparc/sparc.c (sparc_function_arg_boundary): Define.
        (TARGET_FUNCTION_ARG_BOUNDARY): Define.
        * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Delete.
        * config/xtensa/xtensa-protos.h (function_arg_boundary): Delete.
        * config/xtensa/xtensa.c (function_arg_boundary): Rename to...
        (xtensa_function_arg_boundary): ...this.  Make static.
        (TARGET_FUNCTION_ARG_BOUNDARY): Define.

2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>

        * expr.c (alignment_for_piecewise_move): New function.
        (widest_int_mode_for_size): New function.
        (move_by_pieces, move_by_pieces_ninsns): Call them.
        (can_store_by_pieces, store_by_pieces_1): Likewise.

2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>

        * gcc.c (char_p): Define.  Define a VEC of it.
        (n_linker_options, n_assembler_options, n_preprocessor_options):
        Delete.
        (linker_options, assembler_options, preprocessor_options): Convert
        to a VEC.
        (add_preprocessor_option): Adjust.
        (add_assembler_option): Adjust.
        (add_linker_option): Adjust.
        (do_specs_vec): New function.
        (do_spec_1): Call it.  Adjust for new types.

2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>

        * Makefile.in (bitmap.o, ebitmap.o, et-forest.o): Update dependencies.
        (sreal.o, statistics.o, stringpool.o): Likewise.

2010-11-16  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44545
        * tree-ssa-reassoc.c (linearize_expr_tree): Possibly throwing
        statements are not reassociatable.
        (reassociate_bb): Likewise.

2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>

        * bitmap.c: Delete unnecessary includes.
        * ebitmap.c: Likewise.
        * et-forest.c: Likewise.
        * sreal.c: Likewise.
        * statistics.c: Likewise.
        * stringpool.c: Likewise.
        * double-int.c: Add comment for inclusion of tm.h.

2010-11-16  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-sccvn.c (visit_unary_op): Rename to ...
        (visit_nary_op): ... this.
        (visit_binary_op): Remove.
        (visit_use): Adjust and handle GIMPLE_TERNARY_RHS.

2010-11-16  Richard Guenther  <rguenther@suse.de>

        PR middle-end/45172
        * tree-eh.c (cleanup_empty_eh_unsplit): Avoid creating duplicate edges.

2010-11-16  Nick Clifton  <nickc@redhat.com>

        * config/rx/rx.c (rx_is_ms_bitfield_layout): Return false if the
        record is packed.

2010-11-15  Richard Henderson  <rth@redhat.com>

        * fold-const.c (operand_equal_for_comparison_p): Handle FMA_EXPR,
        WIDEN_MULT_PLUS_EXPR, WIDEN_MULT_MINUS_EXPR, VEC_COND_EXPR and
        DOT_PROD_EXPR.

2010-11-15  Richard Henderson  <rth@redhat.com>

        * config/mn10300/mn10300.md (fmasf4, fmssf4, fnmasf4, fnmssf4): Rename
        from fmaddsf4, fmsubsf4, fnmaddsf4, fnmsubsf4 respectively.  Use
        fma rtx_code.

2010-11-15  Richard Henderson  <rth@redhat.com>

        * config/frv/frv.md (fmasf4, fmssf4): Rename from *muladdsf4
        and *mulsubsf4 respectively.  Use fma rtx_code.

2010-11-15  Joseph Myers  <joseph@codesourcery.com>

        * gcc.c: Include "vec.h".
        (argbuf): Make into a VEC.
        (argbuf_length, argbuf_index): Remove.
        (alloc_args, clear_args, store_arg, execute, insert_wrapper,
        do_spec, do_self_spec, do_spec_1, eval_spec_function, main,
        compare_debug_dump_opt_spec_function: Use VEC interfaces on argbuf.
        * Makefile.in (GCC_OBJS): Add vec.o and ggc-none.o.
        (gcc.o): Depend on $(VEC_H).

2010-11-15  Richard Henderson  <rth@redhat.com>

        * loop-unroll.c (analyze_insn_to_expand_var): Accept accumulation
        via FMA if unsafe math.
        (insert_var_expansion_initialization): Handle FMA.
        (combine_var_copies_in_loop_exit): Likewise.

2010-11-15  Richard Henderson  <rth@redhat.com>

        * config.gcc [ia64-*] (extra_options): Add fused-madd.opt.
        * config/ia64/ia64.opt: Remove mfused-madd.
        * config/ia64/ia64.c (ia64_rtx_costs): Handle FP MULT, PLUS, FMA.
        * config/ia64/vms.h (TARGET_DEFAULT): Remove MASK_FUSED_MADD.
        * config/ia64/vms64.h (TARGET_DEFAULT): Likewise.
        * config/ia64/ia64.h (TARGET_DEFAULT): Likewise.
        * config/ia64/hpux.h (TARGET_DEFAULT): Likewise.
        * config/ia64/vect.md (addv2sf3, subv2sf3): Generate FMA.
        (*addv2sf3_1, *addv2sf3_2, *subv2sf3_1, *subv2sf3_2): Remove.
        (fmav2sf4): Rename from fpma; use FMA code.
        (fmsv2sf4): Rename from fpms; use FMA code.
        (fnmav2sf4): Rename from *fpnma; use FMA code.
        * config/ia64/ia64.md (MODE_SDF): New iterator.
        (suffix): New mode attribute.
        (*maddsf4, *msubsf4, *nmaddsf4): Remove.
        (fmssf4): Rename from *fmssf4.
        (fnmasf4): Rename from *nfmasf4.
        (*madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc): Remove.
        (*nmadddf4, *nmadddf4_truncsf): Remove.
        (fmsdf4): Rename from *fmsdf4.
        (fnmadf4): Rename from *nfmadf4.
        (*fmadf_trunc_sf, *fmsdf_trunc_sf, *fnmadf_trunc_sf): New.
        (*maddxf4, *maddxf4_truncsf, *maddxf4_truncdf): Remove.
        (*msubxf4, *msubxf4_truncsf, *msubxf4_truncdf): Remove.
        (*nmaddxf4, *nmaddxf4_truncsf, *nmaddxf4_truncdf): Remove.
        (fmsxf4): Rename from *fmsxf4.
        (fnmaxf4): Rename from *nfmaxf4.
        (*fmaxf_trunc_<MODE_SDF>, *fmsxf_trunc_<MODE_SDF>): New.
        (*fnmaxf_trunc_<MODE_SDF>): New.

2010-11-15  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/46461
        * tree-ssa-forwprop.c (simplify_builtin_call): Ensure ptr1 is
        a gimple val.

2010-11-15  Ian Lance Taylor  <iant@google.com>

        * godump.c: New file.
        * common.opt (fdump-go-spec=): New option.
        * tree.h: Add comments for TYPE_SYMTAB_ADDRESS and friends.
        (TYPE_SYMTAB_IS_ADDRESS, TYPE_SYMTAB_IS_POINTER): Define.
        (TYPE_SYMTAB_IS_DIE): Define.
        (struct tree_type): Change GTY for symtab field to use
        TYPE_SYMTAB_IS_ADDRESS and friends and to use a debug_hooks field
        to pick the union field.
        * debug.h (struct gcc_debug_hooks): Add tree_type_symtab_field.
        (dump_go_spec_init): Declare.
        * toplev.c (process_options): Handle flag_dump_go_spec.
        * debug.c: Include "tree.h".
        (do_nothing_debug_hooks): Set tree_type_symtab_field.
        * dwarf2out.c (dwarf2_debug_hooks): Likewise.
        * dbxout.c (dbx_debug_hooks): Likewise.
        (xcoff_debug_hooks): Likewise.
        * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
        * sdbout.c (sdb_debug_hooks): Likewise.  Do not define if
        SDB_DEBUGGING_INFO is not defined.
        * doc/invoke.texi (Option Summary): Mention -fdump-go-spec.
        (Overall Options): Document -fdump-go-spec.
        * Makefile.in (OBJS-common): Add godump.o.
        (debug.o): Add dependency on $(TREE_H).
        (godump.o): New target.
        (GTFILES): Add $(srcdir)/godump.c.

2010-11-15  Jakub Jelinek  <jakub@redhat.com>

        PR debug/46095
        * config/i386/i386.c (pro_epilogue_adjust_stack): Instead of
        marking r11 set RTX_FRAME_RELATED_P if offset is too large for
        style < 0, add REG_FRAME_RELATED_EXPR.

        PR debug/46387
        * rtl.h (vt_equate_reg_base_value): New prototype.
        * alias.c (vt_equate_reg_base_value): New function.
        * var-tracking.c (vt_init_cfa_base): Use it.

2010-11-15  Jan Hubicka  <jh@suse.cz>
            Diego Novillo  <dnovillo@google.com>

        PR lto/41528
        * doc/lto.texi: Add.
        * doc/gccint.texi: Add reference to lto.texi.
        * doc/invoke.texi: Update user documentation for LTO.
        Move internal flags to lto.texi

2010-11-15  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-typeck.c (build_unary_op): Use
        objc_build_incr_expr_for_property_ref to build the pre/post
        increment/decrement of an Objective-C property ref, and skip the
        lvalue_or_else check in that case.

2010-11-15  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/46349
        * tree-sra.c (contains_bitfld_comp_ref_p): New function.
        (contains_vce_or_bfcref_p): Likewise.
        (sra_modify_assign): Use them.

2010-11-15  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/46467
        * tree-ssa-structalias.c (do_structure_copy): Properly treat
        variables without subvars.

2010-11-15  Hariharan Sandanagobalane  <hariharan@picochip.com>

        * config/picochip/picochip.c (file header): Picochip name change.
        * config/picochip/picochip.md (file header): Likewise.
        * config/picochip/predicates.md (file header): Likewise.
        * config/picochip/dfa_space.md (file header): Likewise.
        * config/picochip/dfa_speed.md (file header): Likewise.
        * config/picochip/picochip.h(file header): Likewise.
        * config/picochip/constraints.md (file header): Likewise.
        * config/picochip/picochip-protos.h (file header): Likewise.
        * config/picochip/libgccExtras/setjmp.asm (file header): Likewise.
        * config/picochip/libgccExtras/divmodsi4.asm (file header): Likewise.
        * config/picochip/libgccExtras/ashlsi3.asm (file header): Likewise.
        * config/picochip/libgccExtras/longjmp.asm (file header): Likewise.
        * config/picochip/libgccExtras/ashlsi3.c (file header): Likewise.
        * config/picochip/libgccExtras/popcounthi2.asm (file header): Likewise.
        * config/picochip/libgccExtras/parityhi2.asm (file header): Likewise.
        * config/picochip/libgccExtras/udivmodhi4.asm (file header): Likewise.
        * config/picochip/libgccExtras/ashrsi3.asm (file header): Likewise.
        * config/picochip/libgccExtras/ashrsi3.c (file header): Likewise.
        * config/picochip/libgccExtras/ucmpsi2.asm (file header): Likewise.
        * config/picochip/libgccExtras/divmodhi4.asm (file header): Likewise.
        * config/picochip/libgccExtras/lshrsi3.asm (file header): Likewise.
        * config/picochip/libgccExtras/subdi3.asm (file header): Likewise.

2010-11-15  Richard Guenther  <rguenther@suse.de>

        PR bootstrap/46474
        * tree-ssa-math-opts.c (convert_mult_to_fma): Disregard debug stmts.

2010-11-15  Nick Clifton  <nickc@redhat.com>

        * config/stormy16/stormy16.c (direct_return): Do not generate a
        direct return for interrupt handlers.

2010-11-15  Joern Rennecke  <amylaar@spamcop.net>

        * Makefile.in (tm.texi): Replace with rule for:
        ($(srcdir)/doc/tm.texi).
        (s-tm-texi): Depend on $(srcdir)/doc/../doc/tm.texi instead of on
        $(srcdir)/doc/tm.texi .
        (TEXI_GCCINT_FILES): Depend on $(srcdir)/doc/tm.texi instead of on
        tm.texi .

        PR target/46427
        * config/m32r/m32r.c: Remove unused variables frame_size and insn.

        PR bootstrap/45444
        * config/arm/arm.c (locate_neon_builtin_icode): Initialize key.
        (arm_output_asm_insn) Add ATTRIBUTE_PRINTF_4.

        PR target/46432
        * config/v850/v850.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.

2010-11-15  Richard Guenther  <rguenther@suse.de>

        PR lto/44150
        * lto-opts.c (lto_write_options): Write -fexceptions even if
        not set by the user.

2010-11-13  Paolo Bonzini  <bonzini@gnu.org>

        PR c/46462
        * c-decl.c (declspecs_add_type): Make variables with error types
        integers.
        * c-parser.c (c_parser_next_tokens_start_declaration): Two IDs
        do not start a declaration before an Objective-C foreach.
        (c_parser_declaration_or_fndef): Improve recovery after unknown
        type name.
        (c_parser_for_statement): Hoist entrance of "foreach context"
        before ifs, add corresponding reset where it was missing.  Do
        not set objc_could_be_foreach_context for C.

2010-11-14  Eric Botcazou  <ebotcazou@adacore.com>

        PR tree-optimization/45722
        * tree-sra.c (build_ref_for_model): Always build a COMPONENT_REF if
        this is a reference to a component.
        * ipa-prop.c (ipa_get_member_ptr_load_param): Accept COMPONENT_REF.
        (ipa_note_param_call): Adjust comment.

2010-11-14  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.c (machine_function): Remove
        initialized_mips16_gp_pseudo_p.
        (mips16_gp_pseudo_reg): Use cfun->machine->mips16_gp_pseudo_rtx to
        detect whether a pseudo has already been created.  Unconditionally
        create a new one if not.
        (mips_pic_base_register): Only call mips16_gp_pseudo_reg when
        expanding to rtl.  Create a new pseudo otherwise, if allowed.

2010-11-13  Richard Earnshaw  <rearnsha@arm.com>

        PR target/43440
        * tm.texi.in (OVERLAPPING_REGISTER_NAMES): Document new macro.
        * tm.texi: Regenerated.
        * output.h (decode_reg_name_and_count): Declare.
        * varasm.c (decode_reg_name_and_count): New function.
        (decode_reg_name): Reimplement using decode_reg_name_and_count.
        * reginfo.c (fix_register): Use decode_reg_name_and_count and
        iterate over all regs used.
        * stmt.c (expand_asm_operands): Likewise.
        * arm/aout.h (OVERLAPPING_REGISTER_NAMES): Define.
        (ADDITIONAL_REGISTER_NAMES): Remove aliases that overlap
        multiple machine registers.

2010-11-13  Eric Botcazou  <ebotcazou@adacore.com>

        * stor-layout.c (place_union_field): Do not put location information
        on offset expressions.
        (place_field): Likewise.
        (finalize_record_size): Likewise on size expressions.
        (finalize_type_size): Likewise.
        (layout_type): Likewise.

2010-11-13  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/42889
        * df-scan.c (df_insn_rescan): Don't mark BBs upon debug insns.
        * df-core.c (df_set_bb_dirty_nonrl): Remove.
        * df.h (df_set_bb_dirty_nonlr): Likewise.

2010-11-13  Uros Bizjak  <ubizjak@gmail.com>

        * config/mips/mips.md (call_internal): Pass curr_insn to
        mips_split_call.
        (call_internal_direct): Ditto.
        (call_value_internal): Ditto.
        (call_value_internal_direct): Ditto.
        (call_value_multiple_internal): Ditto.
        * config/mips/mips.c (mips_split_call): Do not copy
        CALL_INSN_FUNCTION_USAGE here.

2010-11-13  Mingming Sun  <mingm.sun@gmail.com>

        * doc/invoke.texi (MIPS Options): Add loongson3a processor.
        * config/mips/mips.md (define_attr "cpu"): Add loongson_3a.
        (define_insn "prefetch"): Add TARGET_LOONGSON_3A.
        * config/mips/mips.h (TARGET_LOONGSON_3A): Define.
        (TUNE_LOONGSON_3A): Define.
        (TARGET_LOONGSON_VECTORS): Add TARGET_LOONGSON_3A.
        (MIPS_ISA_LEVEL_SPEC): Add loongson3a.
        * config/mips/mips.c (mips_cpu_info_table): Add loongson3a.
        (mips_issue_rate): Add PROCESSOR_LOONGSON_3A.
        (mips_rtx_cost_data): Add Loongson-3A.

2010-11-13  Iain Sandoe  <iains@gcc.gnu.org>

        * config/darwin.h (LINK_COMMAND_SPEC_A): Update for changes to lto
        switches.

2010-11-13  Iain Sandoe  <iains@gcc.gnu.org>

        * dwarf2out.c (macinfo_entry): New struct.
        (output_comp_unit): Emit the section start label here and flag that we
        will emit an info section.
        (dwarf2out_start_source_file): Save data in a macinfo entry rather than
        emitting directly.
        (dwarf2out_end_source_file): Likewise.
        (dwarf2out_define): Likewise.
        (dwarf2out_undef): Likewise.
        (output_macinfo): New.
        (dwarf2out_init): Do not emit debug section switches here, allocate a
        vec for macinfo, when required.
        (dwarf2out_finish): First switch to debug_abbrev_section here.
        debug_line_section,  debug_macinfo_section, Likewise.
        Check that the pubtypes table has at least one unpruned entry before
        trying to emit it.

2010-11-13  Paolo Bonzini  <bonzini@gnu.org>

        PR c/20385
        * c-parser.c (c_parser_next_token_starts_declaration): Rename to...
        (c_parser_next_tokens_start_declaration): ... this.  Handle 2nd
        token lookahead.
        (c_parser_compound_statement_nostart, c_parser_label,
        c_parser_for_statement, c_parser_omp_for_loop): Adjust calls.
        (c_parser_declaration_or_fndef): Detect the case now matched by
        c_parser_next_tokens_start_declaration, give error and correct it.

2010-11-13  Paolo Bonzini  <bonzini@gnu.org>

        * c-tree.h (enum c_typespec_kind): Add ctsk_none.
        (struct c_declspecs): Replace tagdef_seen_p and type_seen_p
        with typespec_kind.
        * c-decl.c (build_null_declspecs): Initialize typespec_kind.
        (shadow_tag_warned, check_compound_literal_type): Adjust
        uses of tag_defined_p.
        (declspecs_add_type): Set typespec_kind.
        * c-parser.c (c_parser_declaration_or_fndef,
        c_parser_declspecs, c_parser_struct_declaration,
        c_parser_parameter_declaration, c_parser_type_name,
        c_parser_objc_diagnose_bad_element_prefix): Adjust uses
        of type_seen_p.
        * c-typeck.c (c_cast_expr): Use typespec_kind instead of
        tag_defined_p, pass ctsk_firstref through.

2010-11-13  Paolo Bonzini  <bonzini@gnu.org>

        * c-format.c (enum format_specifier_kind, kind_descriptions): New.
        (struct format_wanted_type): Replace field "name" with "kind", add
        "format_start" and "format_length".
        (check_format_info_main): Fill in new fields.  Fill in
        FORMAT_WANTED_TYPES even for missing arguments.  Move checks
        after the final NUL outside the while loop.  Do not include
        width and precision modifiers in the format_start/format_length
        of the main format.
        (check_format_types): Remove FORMAT_START and FORMAT_LENGTH
        arguments.  Compute WANTED_TYPE first so that format_type_warning
        can be called for missing arguments.  Adjust calls to
        format_type_warning.
        (format_type_warning): Fetch as much information as possible
        from format_wanted_type.  Adjust printing now that every
        warning has a "descr", as well as for missing argument warnings
        and to include % sign for format specifiers.

2010-11-12  Alexander Monakov  <amonakov@ispras.ru>

        PR rtl-optimization/46204
        * sel-sched-ir.c (maybe_tidy_empty_bb): Remove second argument.
        Update all callers.  Do not recompute topological order.  Adjust
        fallthrough edges following a degenerate conditional jump.

2010-11-12  Joseph Myers  <joseph@codesourcery.com>

        * opts-common.c (control_warning_option): New.
        * opts.c (set_default_handlers): New.
        (decode_options): Use set_default_handlers and
        control_warning_option.
        (common_handle_option): Update call to enable_warning_as_error.
        (enable_warning_as_error): Take gcc_options parameters.  Use
        control_warning_option.
        * opts.h (set_default_handlers, control_warning_option): Declare.

2010-11-12  Joseph Myers  <joseph@codesourcery.com>

        * Makefile.in (OPTS_H): Define.
        (c-decl.o, c-family/c-common.o, c-family/c-opts.o,
        c-family/c-pch.o, c-family/c-pragma.o, gcc.o, gccspec.o,
        cppspec.o, options.o, gcc-options.o, lto-opts.o, opts.o,
        opts-common.o, toplev.o, passes.o, matrix-reorg.o,
        ipa-struct-reorg.o, PLUGIN_HEADERS): Use $(OPTS_H).
        * gcc.c (driver_handle_option): Take location_t parameter.
        (process_command, do_self_spec): Update calls to
        read_cmdline_option.
        * langhooks-def.h (lhd_handle_option): Take location_t parameter.
        * langhooks.c (lhd_handle_option): Take location_t parameter.
        * langhooks.h (handle_option): Take location_t parameter.
        * lto-opts.c (lto_reissue_options): Update call to set_option.
        * opts-common.c (handle_option): Make static.  Take location_t
        parameter and pass it to other functions.
        (handle_generated_option): Take location_t parameter and pass it
        to other functions.
        (read_cmdline_option): Take location_t parameter and pass it to
        other functions.  Use warning_at and error_at.
        (set_option): Take location_t parameter and pass it to other
        functions.
        * opts.c (common_handle_option): Take location_t parameter and
        pass it to other functions.
        (enable_warning_as_error): Make static.  Take location_t parameter
        and pass it to other functions.
        (lang_handle_option): Take location_t parameter and pass it to
        other functions.
        (target_handle_option): Take location_t parameter.
        (read_cmdline_options, maybe_default_option,
        maybe_default_options, default_options_optimization,
        decode_options): Take location_t parameter and pass it to other
        functions.
        * opts.h: Include input.h.
        (struct cl_option_handler_func, decode_options, set_option,
        handle_generated_option, read_cmdline_option): Take location_t
        parameters.
        (handle_option, enable_warning_as_error): Remove.
        * toplev.c (toplev_main): Update call to decode_options.

2010-11-12  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-cloog-util.c (oppose_constraint,
        cloog_matrix_to_ppl_constraint,
        new_Constraint_System_from_Cloog_Matrix): Explicitly cast to int as
        CLooG isl uses unsigned integers.  This triggered a warning.

2010-11-12  Joern Rennecke  <amylaar@spamcop.net>

        PR target/46438
        * config/xtensa/xtensa.c (xtensa_expand_nonlocal_goto): Use LCT_NORMAL.
        (xtensa_setup_frame_addresses, xtensa_trampoline_init): Likewise.
        (xtensa_function_arg_1): De-constify cum.
        (xtensa_expand_prologue): Use add_reg_note.

        PR target/46435
        * config/cris/cris.c (saved_regs_mentioned): Delete.
        (cris_reload_address_legitimized): Cast itype to enum reload_type.
        Remove unused variable op0p.
        (cris_rtx_costs): Cast argument 2 to rtx_cost to enum rtx_code.
        (cris_emit_movem_store): Use add_reg_note.

        PR bootstrap/46456
        * cppbuiltin.c (define_builtin_macros_for_type_sizes): Split assert.

2010-11-12  Eric Botcazou  <ebotcazou@adacore.com>

        * function.c (expand_function_end): Set the locator of the prologue on
        the stack checking insns.

2010-11-12  Richard Henderson  <rth@redhat.com>

        * config.gcc [xtensa] (extra_options): Add fused-madd.opt.
        * config/xtensa/xtensa.opt (mfused-madd): Remove.
        * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
        MASK_FUSED_MADD.
        * config/xtensa/xtensa.md (fmasf4): Rename from muladdsf3; use fma.
        (fnmasf4): Rename from mulsubsf3; use fma.

2010-11-12  Joern Rennecke  <amylaar@spamcop.net>
            Richard Henderson  <rth@redhat.com>

        PR target/46428
        * config/moxie/moxie.c (moxie_expand_prologue): Remove unused variables.
        * config/moxie/moxie.h (HARD_REGNO_OK_FOR_BASE_P): Use unsigned
        comparison.

2010-11-12  Pat Haugen  <pthaugen@us.ibm.com>

        * opts-common.c (decode_cmdline_option): Initialize separate_args.

2010-11-12  Jan Hubicka  <jh@suse.cz>

        * doc/invoke.texi (early-inlining-insns): Update default.
        * params.def (early-inlining-insns): Default to 10.

2010-11-12  Olivier Hainque  <hainque@adacore.com>

        * config/rs6000/aix.h: #undef TARGET_AIX_OS before #define.

2010-11-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/mips/iris6.h [!IRIX_USING_GNU_LD]
        (SUPPORTS_INIT_PRIORITY): Define.

2010-11-12  Joern Rennecke  <amylaar@spamcop.net>

        PR target/46430
        * config/avr/avr-protos.h (avr_return_addr_rtx): Update prototype.
        * config/avr/driver-avr.c (avr_device_to_arch): Always return value.
        (avr_device_to_data_start, avr_device_to_startfiles): Likewise.
        (avr_device_to_devicelib): Likewise.
        * config/avr/avr.md (zero_extendqihi2): Put variable declarations
        into block.
        (zero_extendqisi2, zero_extendhisi2, zero_extendqidi2): Likewise.
        (zero_extendhidi2, zero_extendsidi2): Likewise.
        * config/avr/avr.c (avr_num_arg_regs): Constify type.
        (avr_return_addr_rtx): De-constify tem.
        (avr_rotate_bytes): Move declarations to start of block.
        Don't use variable length array.  Put nested if/else into block.

        PR rtl-optimization/46433
        * var-tracking.c: Include tm_p.h .

        PR bootstrap/44756
        PR build/44767
        * doc/tm.texi.in (LOCAL_ALIGNMENT): State that the type, if any,
        should be unsigned.
        (STACK_SLOT_ALIGNMENT, LOCAL_DECL_ALIGNMENT, PUSH_ROUNDING): Likewise.
        * doc/tm.texi: Regenerate.

        PR target/46412
        * config/bfin/bfin-protos.h (bfin_local_alignment): Update prototype.
        * config/bfin/bfin.c: Include sel-sched.h .
        (bfin_cpus): Use BFIN_CPU_UNKNOWN for last initializer element.
        (expand_interrupt_handler_prologue): Remove unused variable insn.
        (bfin_load_pic_reg): Likewise.
        (bfin_rtx_costs): Make code / outer_code variables of type
        enum rtx_code, copied from re-named parameters.
        (bfin_local_alignment): Change align argument and return type
        to unsigned.
        (bfin_adjust_cost): Remove unused variable insn_type.
        Declare variables at start of block.
        (struct loop_info): Rename to...
        (struct loop_info_d).
        (workaround_rts_anomaly): Change type of icode to int.
        (harmless_null_pointer_p): Cast REGNO (..) to int before comparison
        with int-typed variable.
        (note_np_check_stores): Likewise.
        (trapping_loads_p): Remove unused variable pat.
        (bfin_expand_binop_builtin): Use expand_normal.
        (bfin_expand_unop_builtin): Likewise.
        (bfin_expand_builtin): Likewise.  Set tmode before use.

        PR middle-end/44769
        * final.c (split_double): Don't use BITS_PER_WORD directly in
        shift count.

        PR target/46431
        * config/fr30/fr30.md (*movsf_constant_store): Remove duplicated
        assignment.

        PR target/46450
        * config/stormy16/stormy16.c (xstormy16_expand_prologue):
        Use add_reg_note.
        (xstormy16_function_arg): Dereference cum.
        (xstormy16_expand_builtin): Use expand_normal.
        Change type of omode to enum machine_mode.
        (combine_bnp): Rename and to and_insn.

        PR target/46437
        * config/mcore/mcore.c (layout_mcore_frame): Remove unused variable
        localreg.

2010-11-12  Eric Botcazou  <ebotcazou@adacore.com>

        PR debug/46375
        * emit-rtl.c (remove_insn): Do not mark BBs upon debug insns.

2010-11-11  Rodrigo Rivas Costa  <rodrigorivascosta@gmail.com>

        PR lto/46376
        * lto-symtab.c (lto_symtab_resolve_replaceable_p): Use DECL_ONE_ONLY.

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

        PR c/44782
        * common.opt (fmax-errors=): New option.
        * opts.c (common_handle_option) [OPT_fmax_errors_]: Handle it.
        * diagnostic.h (struct diagnostic_context): Add max_errors field.
        * diagnostic.c (diagnostic_initialize): Initialize it.
        (diagnostic_action_after_output): Exit if more than max_errors
        have been output.
        * doc/invoke.texi (Warning Options): Add -fmax-errors.
        (-fmax-errors): Document.

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

        * optabs.c (init_optabs): Init {fma,fms,fnma,fnms}_optab properly.

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

        * config/fused-madd.opt: New file.
        * config.gcc [i386-*, x86_64-*] (extra_options): Use it.
        * config/i386/i386.c (ix86_extra_costs): Handle FMA.
        (TARGET_DEFAULT_TARGET_FLAGS): Remove MASK_FUSED_MADD.
        * config/i386/i386.opt (mfused-madd): Remove.
        * config/i386/sse.md (split_fma): Remove.
        (split_fms, split_fnma, split_fnms): Remove.

2010-11-12  Jakub Jelinek  <jakub@redhat.com>

        PR target/46088
        * config/i386/i386.md (*ashl<mode>3_cconly,
        *<shiftrt_insn><mode>3_cconly): Don't use ix86_binary_operator_ok,
        change nonimmediate_operand predicate to register_operand.

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

        * Makefile.in (gengtype-lex.c): Include bconfig.h first.

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

        * opts.c (finish_options): Do not error on -flto-partition alone.

        * doc/invoke.texi (-fwhopr): Merge into -flto section.
        (-flto-partition): Document none.
        * gcc.c (LINK_COMMAND_SPEC): Remove -fwhopr.
        * lto-wrapper.c: Update comment.
        (run_gcc): Update LTO option parsing.
        * opts.c (finish_options): add support -flto-partition=none
        (common_handle_option): Remove fwhopr.
        * common.opt: Turn fwhopr into flto.
        * collect2.c (main): Update option handling.
        * cgraphunit.c (cgraph_decide_is_function_needed): Remove flag_whopr.
        * ipa-split.c (execute_split_functions): Remove flag_whopr.
        * ipa.c (function_and_variable_visibility): Remove flag_whopr.
        * ipa-prop.c (ipa_compute_jump_functions): Remove flag_whopr.
        * varpool.c (decide_is_variable_needed): Remove flag_whopr.

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

        PR tree-optimize/40436
        * ipa-inline.c (likely_eliminated_by_inlining_p): Rename to ...
        (eliminated_by_inlining_prob): ... this one; return 50% probability
        for SRA.
        (estimate_function_body_sizes): Update use of
        eliminated_by_inlining_prob; estimate static function size
        for 2 instructions.

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

        PR target/44749
        * config/mep/mep-protos.h (mep_legitimize_reload_address): Always
        declare.  Change type of argument four to type int.
        (mep_secondary_input_reload_class): Returns enum reg_class.
        (mep_secondary_output_reload_class): Likewise.
        (mep_function_value): Change types of arguments to cont_tree.
        * config/mep/mep.c (mep_legitimize_reload_address): Change type of
        argument four to type int.
        (mep_secondary_input_reload_class): Returns enum reg_class.
        (mep_secondary_output_reload_class): Likewise.
        (mep_function_value): Change types of arguments to cont_tree.
        * config/mep/mep.h (REGNO_REG_CLASS): Cast return value of
        mep_regno_reg_class to enum reg_class.

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

        * tree-ssa-math-opts.c (convert_mult_to_fma): Do not verify
        that the target has the exact fma operation that we matched.

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

        * reginfo.c (fix_register): Avoid inserting English word in
        diagnostic sentence.  Use %qs for quoting and %'.

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

        * config/i386/driver-i386.c (host_detect_local_cpu): Support
        Intel processor family 6, model 0x2c.

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

        * opts.c (warning_as_error_callback,
        register_warning_as_error_callback): Remove.
        (enable_warning_as_error): Don't use warning_as_error_callback.
        * opts.h (register_warning_as_error_callback): Remove.

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

        * tree-ssa-math-opts.c (convert_mult_to_fma): Handle a NEGATE_EXPR
        in between the MULT and the PLUS/MINUS.

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

        PR middle-end/46388
        * expr.c (expand_assignment): If to_rtx is a VOIDmode MEM, use
        BLKmode mode for it.
        (expand_expr_real_1): Similarly for op0.

2010-11-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * doc/sourcebuild.texi (LTO Testing, dg-suppress-ld-options):
        Document optional target selector.

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

        * lto-streamer-out.c (write_symbol): Use int_size_in_bytes rather than
        assembling high and low parts of size if not using 32-bit HWINT; else
        use DECL_SIZE_UNITS, not DECL_SIZE.

2010-11-11  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/46383
        * ipa-prop.c (compute_complex_assign_jump_func): Ignore negative
        offsets.
        (compute_complex_ancestor_jump_func): Likewise.
        * tree.c (get_binfo_at_offset): Return NULL_TREE if offset is negative.

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

        PR debug/46150
        * tree-ssa-loop-ivopts.c (htab_inv_expr_eq): Don't return
        true if expr1->hash != expr2->hash.

2010-11-10  Joseph Myers  <joseph@codesourcery.com>

        * cfgloop.c (verify_loop_structure): Use %' in diagnostics.  Start
        diagnostics with lowercase letters.
        * cgraphunit.c (verify_cgraph_node): Start diagnostics with
        lowercase letters.
        * collect2.c (maybe_run_lto_and_relink): Remove trailing '.' from
        diagnostic.
        * config/alpha/freebsd.h (LINK_SPEC): Avoid '`' in diagnostic.
        * config/arm/arm.c (arm_get_pcs_model): Start diagnostics with
        lowercase letters.
        * config/arm/freebsd.h (LINK_SPEC): Avoid '`' in diagnostic.
        Remove trailing ' ' from diagnostic.
        * config/avr/avr.c (print_operand_address): Start diagnostic with
        a lowercase letter and remove trailing '.'.
        * config/avr/avr.opt (mpmem-wrap-around): Fix typo in help text.
        * config/bfin/bfin.c (bfin_option_override): Start diagnostics
        with lowercase letters.  Use %' in diagnostics.  Remove trailing