emit-rtl.c (reg_attrs_htab_hash): Replace long by intptr_t.

[gcc.git] / gcc / ChangeLog

2011-01-24  Kai Tietz  <kai.tietz@onevision.com>

        * emit-rtl.c (reg_attrs_htab_hash): Replace long by intptr_t.

2011-01-24  Paul Koning  <ni1d@arrl.net>

        * builtins.c (c_readstr): Fix byte order if BYTES_BIG_ENDIAN !=
        WORDS_BIG_ENDIAN. 

2011-01-24  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/46519
        * config/i386/i386.c: Include sbitmap.h and fibheap.h.
        (block_info): Add scanned and prev.
        (move_or_delete_vzeroupper_2): Return if the basic block
        has been scanned and the upper 128bit state is unchanged
        from the last scan.
        (move_or_delete_vzeroupper_1): Return true if the exit
        state is changed.
        (move_or_delete_vzeroupper): Visit basic blocks using the
        work-list based algorithm based on vt_find_locations in
        var-tracking.c.

        * config/i386/t-i386: Also depend on sbitmap.h and $(FIBHEAP_H).

2011-01-24  Nick Clifton  <nickc@redhat.com>

        * config/v850/v850.opt (mv850es): New option - alias for -mv850e1.
        * config/v850/v850.h (ASM_SPEC): If -mv850es is specified pass
        -mv850e1 to the assembler.  If -mv850e1 or -mv850es is specified
        then define __v850e1__.
        * doc/invoke.texi: Document -mv850es.

2011-01-24  Richard Henderson  <rth@redhat.com>

        * config/rx/predicates.md (rx_fp_comparison_operator): Don't accept
        compound unordered comparisons.
        * config/rx/rx.c (rx_split_fp_compare): Remove.
        * config/rx/rx-protos.h: Update.
        * config/rx/rx.md (gcc_conds, rx_conds): Remove.
        (cbranchsf4): Don't call rx_split_fp_compare.
        (*cbranchsf4): Use rx_split_cbranch.
        (*cmpsf): Don't accept "i" constraint.
        (*conditional_branch): Only valid after reload.
        (cstoresf4): Merge expander with insn.  Don't call rx_split_fp_compare.

2011-01-24  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/47385
        * config/rs6000/altivec.md (vector constant splitters): Add
        support for creating vector single precision constants if -mvsx is
        used and we would create the constant using Altivec primitives.

2011-01-23  Bernd Schmidt  <bernds@codesourcery.com>
            Richard Sandiford  <rdsandiford@googlemail.com>

        PR rtl-optimization/47166
        * reload1.c (emit_reload_insns): Disable the spill_reg_store
        mechanism for PRE_MODIFY and POST_MODIFY.
        (inc_for_reload): For PRE_MODIFY, return the insn that sets the
        reloadreg.

2011-01-23  Andreas Schwab  <schwab@linux-m68k.org>

        * compare-elim.c (maybe_select_cc_mode): Add ATTRIBUTE_UNUSED markers.

2011-01-22  Jan Hubicka  <jh@suse.cz>

        PR lto/47333
        * lto-cgraph.c (reachable_from_this_partition_p): Fix pasto.

2011-01-22  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/43884
        PR lto/44334
        * predict.c (maybe_hot_frequency_p): Use entry block frequency as base.
        * doc/invoke.texi (hot-bb-frequency-fraction): Update docs.

2011-01-22  Anatoly Sokolov  <aesok@post.ru>

        * config/s390/s390.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
        * config/s390/s390.c (s390_register_move_cost,
        s390_memory_move_cost): New.
        (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.

2011-01-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        PR middle-end/47401
        * except.c (sjlj_assign_call_site_values): Move setting the
        crtl->uses_eh_lsda flag to ...
        (sjlj_mark_call_sites): ... here.
        (sjlj_emit_function_enter): Support NULL dispatch label.
        (sjlj_build_landing_pads): In a function with no landing pads
        that still has must-not-throw regions, generate code to register
        a personality function with empty LSDA.

2011-01-21  Richard Henderson  <rth@redhat.com>

        * config/rx/rx.c (TARGET_FLAGS_REGNUM): New.

        * config/mn10300/mn10300.c (TARGET_FLAGS_REGNUM): New.

        * compare-elim.c: New file.
        * Makefile.in (OBJS-common): Add it.
        (compare-elim.o): New.
        * common.opt (fcompare-elim): New.
        * opts.c (default_options_table): Add OPT_fcompare_elim.
        * tree-pass.h (pass_compare_elim_after_reload): New.
        * passes.c (init_optimization_passes): Add it.
        * recog.h: Protect against re-inclusion.
        * target.def (TARGET_FLAGS_REGNUM): New POD hook.
        * doc/invoke.texi (-fcompare-elim): Document it.
        * doc/tm.texi.in (TARGET_FLAGS_REGNUM): Document it.
        * doc/tm.texi: Rebuild.

2011-01-22  Nick Clifton  <nickc@redhat.com>

        * config/rx/rx.md (cstoresf4): Pass comparison operator to
        rx_split_fp_compare.

2011-01-22  Nick Clifton  <nickc@redhat.com>

        * config/rx/rx.md (UNSPEC_CONST): New.
        (deallocate_and_return): Wrap the amount popped off the stack in
        an UNSPEC_CONST in order to stop it being rejected by
        -mmax-constant-size.
        (pop_and_return): Add a "(return)" rtx.
        (call): Drop the immediate operand.
        (call_internal): Likewise.
        (call_value): Likewise.
        (call_value_internal): Likewise.
        (sibcall_internal): Likewise.
        (sibcall_value_internal): Likewise.
        (sibcall): Likewise.  Generate an explicit call using
        sibcall_internal.
        (sibcall_value): Likewise.
        (mov<>): FAIL if a constant operand is not legitimate.
        (addsi3_unpsec): New pattern.

        * config/rx/rx.c (rx_print_operand_address): Handle UNPSEC
        CONSTs.
        (ok_for_max_constant): New function.
        (gen_safe_add): New function.
        (rx_expand_prologue): Use gen_safe_add.
        (rx_expand_epilogue): Likewise.
        (rx_is_legitimate_constant): Use ok_for_max_constant.  Handle
        UNSPEC CONSTs.

2011-01-21  Jeff Law  <law@redhat.com>

        PR tree-optimization/47053
        * tree-ssa-dse.c (need_eh_cleanup): New bitmap.
        (dse_optimize_stmt): Set the appropriate bit in NEED_EH_CLEANUP when
        statements are deleted.
        (tree_ssa_dse): Allocate & free NEED_EH_CLEANUP.  If NEED_EH_CLEANUP
        is nonempty, then purge dead edges and cleanup the CFG.

2011-01-21  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/47402
        Temporarily revert:
        2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
        PR debug/47106
        * tree-dfa.c (create_var_ann): Mark variable as used.

2011-01-21  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/45566
        * except.c (convert_to_eh_region_ranges): Emit queued no-region
        notes from other section in hot/cold partitioning even if
        last_action is -3.  Increment call_site_base.

        PR rtl-optimization/47366
        * fwprop.c (forward_propagate_into): Return bool.  If
        any changes are made, -fnon-call-exceptions is used and
        REG_EH_REGION note is present, call purge_dead_edges
        and return true if it purged anything.
        (fwprop_addr): Adjust callers, call cleanup_cfg (0) if
        any EH edges were purged.

2011-01-21  Jeff Law  <law@redhat.com>

        PR rtl-optimization/41619
        * caller-save.c (setup_save_areas): Break out code to determine
        which hard regs are live across calls by examining the reload chains
        so that it is always used.
        Eliminate code which checked REG_N_CALLS_CROSSED.

2011-01-21  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/47355
        * tree-eh.c (cleanup_empty_eh_merge_phis): Give up if
        NOP has non-debug uses beyond PHIs in new_bb.

2011-01-21  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/47106
        * cfgexpand.c (account_used_vars_for_block): Only account vars
        that are annotated as used.
        (estimated_stack_frame_size): Don't set TREE_USED.
        * tree-dfa.c (create_var_ann): Mark variable as used.

2011-01-21  Richard Guenther  <rguenther@suse.de>

        PR middle-end/47395
        * tree.def (WIDEN_MULT_MINUS_EXPR): Fix printed name.

2011-01-21  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47365
        * tree-ssa-sccvn.h (vn_lookup_kind): Declare.
        (vn_reference_lookup_pieces): Adjust.
        (vn_reference_lookup): Likewise.
        * tree-ssa-sccvn.c (vn_walk_kind): New static global.
        (vn_reference_lookup_3): Only look through kills if in
        VN_WALKREWRITE mode.
        (vn_reference_lookup_pieces): Adjust.
        (vn_reference_lookup): Likewise.
        (visit_reference_op_load): Likewise.
        (visit_reference_op_store): Likewise.
        * tree-ssa-pre.c (phi_translate_1): Use VN_WALK mode.
        (compute_avail): Likewise.
        (eliminate): Likewise.

2011-01-21  Jakub Jelinek  <jakub@redhat.com>

        * tree-ssa-live.c (remove_unused_scope_block_p): Don't remove
        DECL_IGNORED_P non-reg vars if they are used.

        PR tree-optimization/47391
        * varpool.c (const_value_known_p): Return false if
        decl is volatile.

2011-01-21  Kai Tietz  <kai.tietz@onevision.com>

        PR bootstrap/47215
        * config/i386/i386.c (ix86_local_alignment): Handle
        case for va_list_type_node is nil.
        (ix86_canonical_va_list_type): Likewise.

2011-01-21  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Add
        builtin_define __CMODEL_MEDIUM__ and __CMODEL_LARGE__.

2011-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/arm.md (define_attr type): Rename f_load
        and f_store to f_fpa_load and f_fpa_store. Update.
        (write_conflict): Deal with rename fallout.
        (*push_fp_multi): Likewise.
        * config/arm/fpa.md (f_load): Use f_fpa_load.
        (f_store): Use f_fpa_store.
        (*movsf_fpa): Likewise.
        (*movdf_fpa): Likewise.
        (*movxf_fpa): Likewise.
        (*thumb2_movsf_fpa): Likewise.
        (*thumb2_movdf_fpa): Likewise.
        (*thumb2_movxf_fpa): Likewise.
        * config/arm/vfp.md (*thumb2_movdf_vfp): Fix attribute to
        f_loadd and f_stored.
        (*thumb2_movdi_vfp): Likewise.
        (*thumb2_movsf_vfp): Fix attribute to f_loads.
        (*thumb2_movsi_vfp): Likewise.
        * config/arm/cortex-m4-fpu.md (cortex_m4_f_load):
        Use f_loads instead of f_load.
        * config/arm/cortex-a5.md (cortex_a5_f_loads): Remove f_load.

2011-01-20  Anatoly Sokolov  <aesok@post.ru>

        * config/xtensa/xtensa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
        * config/xtensa/xtensa-protos.h (constantpool_address_p): Remove.
        * config/xtensa/xtensa.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
        (xtensa_mode_dependent_address_p): New function.
        (constantpool_address_p): Make static. Change return type to bool.
        Change argument type to const_rtx. Use CONST_INT_P predicate.

2011-01-20  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/46583
        * tree-ssa-live.c (remove_unused_scope_block_p): Keep type decls.

2011-01-20  Jakub Jelinek  <jakub@redhat.com>

        PR debug/47283
        * cfgexpand.c (expand_debug_expr): Instead of generating
        (mem (debug_implicit_ptr)) for MEM_REFs use COMPONENT_REF
        etc. handling.

2011-01-20  Richard Guenther  <rguenther@suse.de>

        PR middle-end/47370
        * tree-inline.c (remap_gimple_op_r): Recurse manually for
        the pointer operand of MEM_REFs.

2011-01-20  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/46130
        * ipa-split.c (consider_split): If return_bb contains non-virtual
        PHIs other than for retval or if split_function would not adjust it,
        refuse to split.

2011-01-20  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47167
        * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
        Revert previous change, only avoid enumeral type changes.

2011-01-19  Dodji Seketeli  <dodji@redhat.com>

        PR c++/47291
        * dwarf2out.c (generic_type_p, schedule_generic_params_dies_gen)
        (gen_scheduled_generic_parms_dies): New functions.
        (gen_struct_or_union_type_die): Schedule template parameters DIEs
        generation for the end of CU compilation.
        (dwarf2out_finish): Generate template parameters DIEs here.

2011-01-19  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/46240
        * tree-into-ssa.c (maybe_register_def): Do not attempt to add
        debug bind stmt on merge edges.

2011-01-19  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/47079
        PR debug/46724
        * function.c (instantiate_expr): Instantiate incoming rtl of
        implicit arguments, and recurse on VALUE_EXPRs.
        (instantiate_decls): Instantiate rtl and VALUE_EXPR of result.
        * var-tracking.c (adjust_mems): Reject virtual_incoming_args_rtx.

2011-01-19  Alexandre Oliva  <aoliva@redhat.com>

        * c-parser.c (c_parser_for_statement): Initialize
        collection_expression.

2011-01-19  Joseph Myers  <joseph@codesourcery.com>

        * config/spu/spu-elf.h (ASM_SPEC): Remove %{w:-W}.

2011-01-19  Joseph Myers  <joseph@codesourcery.com>

        * config/rs6000/sysv4.h (LINK_PATH_SPEC): Remove.
        (LINK_SHLIB_SPEC): Don't use %(link_path).
        (SUBTARGET_EXTRA_SPECS): Remove link_path.

2011-01-19  Joseph Myers  <joseph@codesourcery.com>

        * config/rs6000/sysv4.h (SHARED_LIB_SUPPORT): Remove conditional.
        (NO_SHARED_LIB_SUPPORT): Remove.
        (LINK_SHLIB_SPEC): Remove one conditional definition.

2011-01-19  Joseph Myers  <joseph@codesourcery.com>

        * config/mips/linux64.h (LINK_SPEC): Remove %{non_shared}
        %{call_shared}.
        * config/mips/mips.h (LINK_SPEC): Remove %{non_shared}.
        * config/mips/netbsd.h (LINK_SPEC): Remove %{call_shared}.
        * config/mips/openbsd.h (LINK_SPEC): Remove %{non_shared}
        %{call_shared} and conditionals on these options not being passed.
        * config/mips/sde.h (LINK_SPEC): Remove %{non_shared}
        %{call_shared}.

2011-01-19  Jakub Jelinek  <jakub@redhat.com>

        * ipa-split.c (find_return_bb): Use single_pred_p/single_pred_edge,
        simplify.

        * ipa-split.c: Spelling fixes.

2011-01-19  Richard Henderson  <rth@redhat.com>

        * config/mn10300/mn10300.md (mulsi3): Use reg_or_am33_const_operand.
        (*mulsi3): Likewise.

        * longlong.h [__mn10300__] (count_leading_zeros): New.
        [__mn10300__] (umul_ppmm, smul_ppmm): New.
        [__mn10300__] (add_ssaaaa, subddmmss): New.
        [__mn10300__] (udiv_qrnnd, sdiv_qrnnd): New.
        [__mn10300__] (UMUL_TIME, UDIV_TIME): New.

2011-01-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.h (MOVE_RATIO): Return 4 in the !speed case.

2011-01-19  Richard Henderson  <rth@redhat.com>

        * config/mn10300/mn10300.md (addsi3_flags): New.
        (addc_internal, adddi3, adddi3_internal, *adddi3_degenerate): New.
        (subsi3_flags, subc_internal, subdi3): New.
        (subdi3_internal, *subdi3_degenerate): New.
        * config/mn10300/predicates.md (reg_or_am33_const_operand): New.

        * config/mn10300/mn10300.c (mn10300_can_use_retf_insn): New.
        (mn10300_can_use_rets_insn): Rename from mn10300_can_use_return_insn.
        (mn10300_expand_epilogue): Use it.  Compute REG_SAVE_BYTES once.
        * config/mn10300/mn10300-protos.h: Update.
        * config/mn10300/mn10300.md (return): Use mn10300_can_use_retf_insn.
        (return_ret): Likewise.  Rename from return_internal_regs.
        (return_internal): Remove.

        * config/mn10300/mn10300.c (mn10300_unspec_int_label_counter): Remove.
        (mn10300_asm_output_addr_const_extra): Don't handle UNSPEC_INT_LABEL.
        (mn10300_legitimate_constant_p): Likewise.
        (mn10300_can_use_return_insn): Use mn10300_initial_offset.
        (mn10300_frame_size): New.
        (mn10300_expand_prologue): Use it.
        (mn10300_expand_epilogue): Likewise.
        (mn10300_initial_offset): Likewise.
        * config/mn10300/mn10300-protos.h: Update.
        * config/mn10300/mn10300.h (mn10300_unspec_int_label_counter): Remove.
        * config/mn10300/mn10300.md (UNSPEC_INT_LABEL): Remove.
        (prologue, epilogue, return_internal): Tidy output code.
        (mn10300_store_multiple_operation, return): Likewise.
        (int_label, pop_pic_reg, GOTaddr2picreg): Remove.
        (am33_loadPC, mn10300_loadPC, call_next_insn): Remove.
        (add_GOT_to_pic_reg, add_GOT_to_any_reg): Remove.
        (load_pic, am33_load_pic): New.
        (mn10300_load_pic0, mn10300_load_pic1): New.

        * config/mn10300/mn10300-modes.def (CCZN, CCZNC): New modes.
        * config/mn10300/mn10300.c (CC_FLAG_Z): New.
        (CC_FLAG_N, CC_FLAG_C, CC_FLAG_V): New.
        (cc_flags_for_mode, cc_flags_for_code): New.
        (mn10300_print_operand) ['B']: Use nc/ns for GE/LT when the
        overflow flag is not valid.  Validate that the flags we need
        for the comparison are valid.
        (mn10300_output_cmp): Remove.
        (mn10300_output_add): New.
        (mn10300_select_cc_mode): Use cc_flags_for_code.
        (mn10300_split_cbranch): New.
        (mn10300_match_ccmode): New.
        (mn10300_split_and_operand_count): New.
        * config/mn10300/mn10300.h (SELECT_CC_MODE): Pass all of the arguments
        to the function.
        * config/mn10300/mn10300.md (*am33_addsi3, *mn10300_addsi3): Merge...
        (addsi3): ... here.  Use mn10300_output_add.
        (*addsi3_flags): New.
        (*am33_subsi3, *mn10300_subsi3): Merge...
        (subsi3): ... here.  Use attribute isa.
        (*subsi3_flags): New.
        (negsi2): Rewrite from expander to insn_and_split.  Use NOT+INC
        when possible.
        (*am33_andsi3, *mn10300_andsi3): Merge...
        (andsi3): ... here.
        (*andsi3_flags): New.
        (andsi3 splitters): New.
        (*am33_iorsi3, *mn10300_iorsi3): Merge...
        (iorsi3): ... here.
        (*iorsi3_flags): New.
        (*am33_xorsi3, *mn10300_xorsi3): Merge...
        (xorsi3): ... here.
        (*xorsi3_flags): New.
        (*am33_cmpsi2, *mn10300_cmplsi2): Merge...
        (one_cmplsi2): ... here.
        (*one_cmplsi2_flags): New.
        (*cbranchsi4_cmp): Rename from cbranchsi4_post_reload.  Use "r"
        instead of "dax" in constraints.  Use mn10300_split_cbranch.
        (*cmpsi): Rename from cmpsi.  Do not use mn10300_output_cmp.  Do not
        use matching constraints to eliminate a self-comparison.
        (*integer_conditional_branch): Rename from integer_conditional_branch.
        Use int_mode_flags to match CC_REG.
        (*cbranchsi4_btst, *btstsi): New.
        (*cbranchsf4_cmp): Rename from *cbranchsf4_post_reload.  Use
        mn10300_split_cbranch.
        (*am33_cmpsf): Rename from am33_cmpsf.
        (*float_conditional_branch): Rename from float_conditional_branch.
        (*zero_extendqisi2_am33, *zero_extendqisi2_mn10300): Merge...
        (zero_extendqisi2): ... here.
        (*zero_extendhisi2_am33, *zero_extendhisi2_mn10300): Merge...
        (zero_extendhisi2): ... here.
        (*extendqisi2_am33, *extendqisi2_mn10300): Merge...
        (extendqisi2): ... here.
        (*extendhisi2_am33, *extendhisi2_mn10300): Merge...
        (extendhisi2): ... here.
        (*am33_ashlsi3, *mn10300_ashlsi3): Merge...
        (ashlsi3): ... here.
        (*am33_lshrsi3, *mn10300_lshrsi3): Merge...
        (lshrsi3): ... here.
        (*am33_ashrisi3, *mn10300_ashrsi3): Merge...
        (ashrsi3): ... here.
        (consecutive add peephole): Remove.
        * config/mn10300/predicates.md (label_ref_operand): New.
        (int_mode_flags): New.
        (CCZN_comparison_operator): New.

        * config/mn10300/mn10300.md (UNSPEC_EXT): New.
        (throughput_42_latency_43): New reservation.
        (mulsidi3, umulsidi3): New expanders.
        (mulsidi3_internal): Rewrite from old mulsidi3 pattern.  Expose
        the MDR register to allocation; separately allocate the low and
        high parts of the DImode result.
        (umulsidi3_internal): Similarly.
        (*am33_mulsi3, *mn10300_mulsi3): Merge into ...
        (*mulsi3): ... here.  Clobber MDR as a scratch as necessary.
        (udivsi3, umodsi3): Remove.
        (udivmodsi4, divmodsi4): New expanders.
        (*udivmodsi4): Rename from udivmodsi4.  Expose MDR properly.
        (*divmodsi4): Simiarly.
        (ext_internal): New.

        * config/mn10300/constraints.md ("z"): New constraint.
        * config/mn10300/mn10300.h (MDR_REGNUM): Remove.
        (FIXED_REGISTERS): Don't fix MDR.
        (CALL_USED_REGSITERS): Reformat nicely.
        (REG_ALLOC_ORDER): Add MDR.
        (enum regclass): Add MDR_REGS.
        (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update to match.
        (IRA_COVER_CLASSES): Add MDR_REGS.
        (REGNO_REG_CLASS): Handle MDR_REG.
        * config/mn10300/mn10300.c (mn10300_secondary_reload): Handle MDR_REGS.
        (mn10300_register_move_cost): Likewise.
        * config/mn10300/mn10300.md (MDR_REG): New.
        (*movsi_internal): Handle moves to/from MDR_REGS.

        * config/mn10300/mn10300.c (mn10300_print_operand_address): Handle
        POST_MODIFY.
        (mn10300_secondary_reload): Tidy combination reload classes.
        (mn10300_legitimate_address_p): Allow post-modify and reg+reg
        addresses for AM33.  Allow symbolic offsets for reg+imm.
        (mn10300_regno_in_class_p): New.
        (mn10300_legitimize_reload_address): New.
        * config/mn10300/mn10300.h (enum reg_class): Remove
        DATA_OR_ADDRESS_REGS, DATA_OR_EXTENDED_REGS, ADDRESS_OR_EXTENDED_REGS,
        SP_OR_EXTENDED_REGS, SP_OR_ADDRESS_OR_EXTENDED_REGS.  Add
        SP_OR_GENERAL_REGS.
        (REG_CLASS_NAMES): Update to match.
        (REG_CLASS_CONTENTS): Likewise.
        (INDEX_REG_CLASS): Use GENERAL_REGS for AM33.
        (BASE_REG_CLASS): Use SP_OR_GENERAL_REGS for AM33.
        (REGNO_IN_RANGE_P): Remove.
        (REGNO_DATA_P): Use mn10300_regno_in_class_p.
        (REGNO_ADDRESS_P, REGNO_EXTENDED_P): Likewise.
        (REGNO_STRICT_OK_FOR_BASE_P): Likewise.
        (REGNO_STRICT_OK_FOR_BIT_BASE_P): Likewise.
        (REGNO_STRICT_OK_FOR_INDEX_P): Likewise.
        (REGNO_SP_P, REGNO_AM33_P, REGNO_FP_P): Remove.
        (REGNO_GENERAL_P): New.
        (HAVE_POST_MODIFY_DISP): New.
        (USE_LOAD_POST_INCREMENT, USE_STORE_POST_INCREMENT): New.
        (LEGITIMIZE_RELOAD_ADDRESS): New.
        * config/mn10300/mn10300-protos.h: Update.

        * config/mn10300/mn10300.c (mn10300_preferred_reload_class): Allow
        DATA_REGS for AM33 stack-pointer destination.
        (mn10300_preferred_output_reload_class): Likewise.
        (mn10300_secondary_reload): Rearrange mn10300_secondary_reload_class
        into a form appropriate for ...
        (TARGET_SECONDARY_RELOAD): New.
        * config/mn10300/mn10300.h (SECONDARY_RELOAD_CLASS): Remove.
        * config/mn10300/mn10300-protos.h: Update.
        * config/mn10300/mn10300.md (reload_plus_sp_const): Rename from
        reload_insi; use the "A" constraint for the scratch; handle AM33
        moves of sp to non-address registers.

        * config/mn10300/mn10300.md (*am33_movqi, *mn10300_movqi): Merge into
        (*movqi_internal): ... here.
        (*am33_movhi, *mn10300_movhi): Merge into...
        (*movhi_internal): ... here.
        (*movsi_internal): Use "r" instead of "dax" in constraints.  Use "A"
        as the source/destination of moves from/to SP.
        (movsf): Only allow for AM33-2.
        (*movsf_internal): Use "r" instead of "dax"; use "F" instead of 
        any integer constant constraint.  Only allow for AM33-2.  Tidy
        all of the alternative outputs.
        (movdi, movdf, *am33_2_movdf, *mn10300_movdf): Remove.
        (udivmodsi4): Delete expander and promote *udivmodsi4.  Disallow
        for MN103.
        (udivsi3, umodsi3): New patterns for MN103 only.

2011-01-19  Joern Rennecke  <amylaar@spamcop.net>

        * doc/tm.texi.in: Spell out that a lack of register class unions
        can lead to ICEs.
        * doc/tm.texi: Regenerate.

2011-01-19  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/47337
        * dce.c (check_argument_store): New function.
        (find_call_stack_args): Ignore debug insns.  Use check_argument_store.

        PR tree-optimization/47290
        * tree-eh.c (infinite_empty_loop_p): New function.
        (cleanup_empty_eh): Use it.

2011-01-18  Steve Ellcey  <sje@cup.hp.com>

        PR target/46997
        * ia64.c (ia64_expand_unpack): Fix code for TARGET_BIG_ENDIAN.
        (a64_expand_widen_sum): Ditto.
        * vect.md (mulv2si3): Disable for TARGET_BIG_ENDIAN.
        (vec_extract_evenodd_help): Ditto.
        (vec_extract_evenv4hi): Ditto.
        (vec_extract_oddv4hi): Ditto.
        (vec_extract_evenv2si): Ditto.
        (vec_extract_oddv2si): Ditto.
        (vec_extract_evenv2sf): Ditto.
        (vec_extract_oddv2sf): Ditto.
        (vec_pack_trunc_v4hi: Ditto.
        (vec_pack_trunc_v2si): Ditto.
        (vec_interleave_lowv8qi): Fix for TARGET_BIG_ENDIAN.
        (vec_interleave_highv8qi): Ditto.
        (mix1_r): Ditto.
        (vec_extract_oddv8qi): Ditto.
        (vec_interleave_lowv4hi): Ditto.
        (vec_interleave_highv4hi): Ditto.
        (vec_interleave_lowv2si): Ditto.
        (vec_interleave_highv2si): Ditto.

2011-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * doc/extend.texi: Mention __float128 support on hppa HP-UX.
        * config/pa/pa-hpux.h (HPUX_LONG_DOUBLE_LIBRARY): Define to 1.
        * config/pa/pa.c (pa_expand_builtin): New.  Include "langhooks.h".
        (pa_c_mode_for_suffix): New.
        (TARGET_EXPAND_BUILTIN): Define.
        (TARGET_C_MODE_FOR_SUFFIX): Define.
        (pa_builtins): Define.
        (pa_init_builtins): Register __float128 type and init new support
        builtins.
        * config/pa/pa.h (HPUX_LONG_DOUBLE_LIBRARY): Define if not defined.
        * config/pa/quadlib.c (_U_Qfcopysign): New.

2011-01-18  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/46894
        * explow.c (allocate_dynamic_stack_space): Do not assume more than
        BITS_PER_UNIT alignment if STACK_DYNAMIC_OFFSET or STACK_POINTER_OFFSET
        are defined.

2011-01-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        PR tree-optimization/47179
        * config/spu/spu.c (spu_ref_may_alias_errno): New function.
        (TARGET_REF_MAY_ALIAS_ERRNO): Define.

2011-01-18  Richard Guenther  <rguenther@suse.de>

        PR rtl-optimization/47216
        * emit-rtl.c: Include tree-flow.h.
        (set_mem_attributes_minus_bitpos): Use tree_could_trap_p instead
        of replicating it with different semantics.
        * Makefile.in (emit-rtl.o): Adjust.

2011-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/cortex-a9.md (cortex-a9-neon.md): Actually
        include.
        (cortex_a9_dp): Handle neon types correctly.

2011-01-18  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/47299
        * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: Don't use
        subtarget.  Use normal multiplication if both operands are
        constants.
        * expmed.c (expand_widening_mult): Don't try to optimize constant
        multiplication if op0 has VOIDmode.  Convert op1 constant to mode
        before using it.

2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/lto.texi (LTO): Ensure two spaces after period.  Fix
        spacing after 'e.g.', typos, comma, hyphenation.

2011-01-17  Richard Henderson  <rth@redhat.com>

        * config/rx/predicates.md (rx_constshift_operand): Use match_test.
        (rx_restricted_mem_operand): New.
        (rx_shift_operand): Use register_operand.
        (rx_source_operand, rx_compare_operand): Likewise.
        * config/rx/rx.md (addsi3_flags): New expander.
        (adddi3): Rewrite as expander.
        (adc_internal, *adc_flags, adddi3_internal): New patterns.
        (subsi3_flags): New expander.
        (subdi3): Rewrite as expander.
        (sbb_internal, *sbb_flags, subdi3_internal): New patterns.

        * config/rx/rx.c (RX_BUILTIN_SAT): Remove.
        (rx_init_builtins): Remove sat builtin.
        (rx_expand_builtin): Likewise.
        * config/rx/rx.md (ssaddsi3): New.
        (*sat): Rename from sat.  Represent the CC_REG input.

        * config/rx/predicates.md (rshift_operator): New.
        * config/rx/rx.c (rx_expand_insv): Remove.
        * config/rx/rx-protos.h: Update.
        * config/rx/rx.md (*bitset): Rename from bitset.  Swap the ashift
        operand to the canonical position.
        (*bitset_in_memory, *bitinvert, *bitinvert_in_memory): Similarly.
        (*bitclr, *bitclr_in_memory): Similarly.
        (*insv_imm, rx_insv_reg, *insv_cond, *bmcc, *insv_cond_lt): New.
        (insv): Retain the zero_extract in the expansion.

        * config/rx/rx.md (bswapsi2): Use = not + for output reload.
        (bswaphi2, bitinvert, revw): Likewise.

        * config/rx/rx.c (gen_rx_store_vector): Use VOIDmode for gen_rtx_SET.
        (gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise.
        * config/rx/rx.md (pop_and_return): Use VOIDmode for SET.
        (stack_push, stack_pushm, stack_pop, stack_popm): Likewise.
        (bitset, bitset_in_memory): Likewise.
        (bitinvert, bitinvert_in_memory): Likewise.
        (bitclr, bitclr_in_memory): Likewise.
        (insv, sync_lock_test_and_setsi, movstr, rx_movstr): Likewise.
        (rx_strend, rx_cmpstrn): Likewise.
        (rx_setmem): Likewise.  Make the source BLKmode to match the dest.
        (bitop peep2 patterns): Remove.

        * config/rx/rx.c (rx_match_ccmode): New.
        * config/rx/rx-protos.h: Update.
        * config/rx/rx.md (abssi2): Clobber, don't set flags.
        (addsi3, adddi3, andsi3, negsi2, one_cmplsi2, iorsi3): Likewise.
        (rotlsi3, rotrsi3, ashrsi3, lshrsi3, ashlsi3): Likewise.
        (subsi3, subdi3, xorsi3, addsf3, divsf3, mulsf3, subsf3): Likewise.
        (fix_truncsfsi2, floatsisf2): Likewise.
        (*abssi2_flags, *addsi3_flags, *andsi3_flags, *negsi2_flags): New.
        (*one_cmplsi2_flags, *iorsi3_flags, *rotlsi3_flags): New.
        (*rotrsi3_flags, *ashrsi3_flags, *lshrsi3_flags, *ashlsi3_flags): New.
        (*subsi3_flags, *xorsi3_flags): New.

        * config/rx/rx.md (cstoresf4, *cstoresf4): New patterns.

        * config/rx/rx.c (rx_print_operand): Remove workaround for
        unsplit comparison operations.

        * config/rx/rx.md (movsicc): Split after reload.
        (*movsicc): Merge *movsieq and *movsine via match_operator.
        (*stcc): New pattern.

        * config/rx/rx.c (rx_float_compare_mode): Remove.
        * config/rx/rx.h (rx_float_compare_mode): Remove.
        * config/rx/rx.md (cstoresi4): Split after reload.
        (*sccc): New pattern.

        * config/rx/predicates.md (label_ref_operand): New.
        (rx_z_comparison_operator): New.
        (rx_zs_comparison_operator): New.
        (rx_fp_comparison_operator): New.
        * config/rx/rx.c (rx_print_operand) [B]: Examine comparison modes.
        Validate that the flags are set properly for the comparison.
        (rx_gen_cond_branch_template): Remove.
        (rx_cc_modes_compatible): Remove.
        (mode_from_flags): New.
        (flags_from_code): Rename from flags_needed_for_conditional.
        (rx_cc_modes_compatible): Re-write in terms of flags_from_mode.
        (rx_select_cc_mode): Likewise.
        (rx_split_fp_compare): New.
        (rx_split_cbranch): New.
        * config/rx/rx.md (most_cond, zs_cond): Remove iterators.
        (*cbranchsi4): Use match_operator and rx_split_cbranch.
        (*cbranchsf4): Similarly.
        (*cbranchsi4_tst): Rename from *tstbranchsi4_<code>.  Use
        match_operator and rx_split_cbranch.
        (*cbranchsi4_tst_ext): Combine *tstbranchsi4m_eq and
        tstbranchsi4m_ne.  Use match_operator and rx_split_cbranch.
        (*cmpsi): Rename from cmpsi.
        (*tstsi): Rename from tstsi.
        (*cmpsf): Rename from cmpsf; use CC_Fmode.
        (*conditional_branch): Rename from conditional_branch.
        (*reveresed_conditional_branch): Remove.
        (b<code>): Remove expander.
        * config/rx/rx-protos.h: Update.

        * config/rx/rx.c (rx_compare_redundant): Remove.
        * config/rx/rx.md (cmpsi): Don't use it.
        * config/rx/rx-protos.h: Update.

        * config/rx/rx-modes.def (CC_F): New mode.
        * config/rx/rx.c (rx_select_cc_mode): New.
        * config/rx/rx.h (SELECT_CC_MODE): Use it.
        * config/rx/rx-protos.h: Update.

2011-01-17  Richard Henderson  <rth@redhat.com>

        * except.c (dump_eh_tree): Fix stray ; after for statement.

2011-01-17  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47313
        * tree-inline.c (tree_function_versioning): Move DECL_RESULT
        handling before copying the body.  Properly deal with
        by-reference result in SSA form.

2011-01-17  Ian Lance Taylor  <iant@google.com>

        PR target/47219
        * config/sparc/sparc.c (sparc_sr_alias_set): Don't define.
        (struct_value_alias_set): Don't define.
        (sparc_option_override): Don't set sparc_sr_alias_set and
        struct_value_alias_set.
        (save_or_restore_regs): Use gen_frame_mem rather than calling
        set_mem_alias_set.
        (sparc_struct_value_rtx): Likewise.

2011-01-17  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/47318
        * config/i386/avxintrin.h (_mm_maskload_pd): Change mask to
        __m128i.
        (_mm_maskstore_pd): Likewise.
        (_mm_maskload_ps): Likewise.
        (_mm_maskstore_ps): Likewise.
        (_mm256_maskload_pd): Change mask to __m256i.
        (_mm256_maskstore_pd): Likewise.
        (_mm256_maskload_ps): Likewise.
        (_mm256_maskstore_ps): Likewise.

        * config/i386/i386-builtin-types.def: Updated.
        (ix86_expand_special_args_builtin): Likewise.

        * config/i386/i386.c (bdesc_special_args): Update
        __builtin_ia32_maskloadpd, __builtin_ia32_maskloadps,
        __builtin_ia32_maskloadpd256, __builtin_ia32_maskloadps256,
        __builtin_ia32_maskstorepd, __builtin_ia32_maskstoreps,
        __builtin_ia32_maskstorepd256 and __builtin_ia32_maskstoreps256.

        * config/i386/sse.md (avx_maskload<ssemodesuffix><avxmodesuffix>):
        Use <avxpermvecmode> on mask register.
        (avx_maskstore<ssemodesuffix><avxmodesuffix>): Likewise.

2011-01-17  Olivier Hainque  <hainque@adacore.com>
            Michael Haubenwallner  <michael.haubenwallner@salomon.at>
            Eric Botcazou  <ebotcazou@adacore.com>

        PR target/46655
        * xcoffout.c (ASM_OUTPUT_LINE): Output line only if positive, and only
        if <= USHRT_MAX in 32-bit mode.

2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/install.texi (Configuration, Specific): Wrap long
        lines in examples.  Allow line wrapping in long options
        and URLs where beneficial for PDF output.

2011-01-16  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.c (mips_classify_symbol): Don't return
        SYMBOL_PC_RELATIVE for nonlocal labels.

2011-01-15  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sparc/sol2-bi.h (CC1_SPEC): Fix typo.

2011-01-15  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/47276
        * ipa.c (function_and_variable_visibility): Do not try to mark alias
        declarations as needed.

2011-01-15  Martin Jambor  <mjambor@suse.cz>

        * common.opt (fdevirtualize): New flag.
        * doc/invoke.texi (Option Summary): Document it.
        * opts.c (default_options_table): Add devirtualize flag.
        * ipa-prop.c (detect_type_change): Return immediately if
        devirtualize flag is not set.
        (detect_type_change_ssa): Likewise.
        (compute_known_type_jump_func): Likewise.
        (ipa_analyze_virtual_call_uses): Likewise.

2011-01-14  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/45934
        PR tree-optimization/46302
        * ipa-prop.c (type_change_info): New type.
        (stmt_may_be_vtbl_ptr_store): New function.
        (check_stmt_for_type_change): Likewise.
        (detect_type_change): Likewise.
        (detect_type_change_ssa): Likewise.
        (compute_complex_assign_jump_func): Check for dynamic type change.
        (compute_complex_ancestor_jump_func): Likewise.
        (compute_known_type_jump_func): Likewise.
        (compute_scalar_jump_functions): Likewise.
        (ipa_analyze_virtual_call_uses): Likewise.
        (ipa_analyze_node): Push and pop cfun, set current_function_decl.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/i386.h (CC1_CPU_SPEC_1): Don't handle -msse5.
        * config/i386/i386.opt (msse5): New Alias.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/sparc/linux.h (CC1_SPEC): Remove %{sun4:} %{target:}.
        * config/sparc/linux64.h (CC1_SPEC): Likewise.
        * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
        * config/sparc/sparc.h (CC1_SPEC): Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/sparc/linux.h (CC1_SPEC): Don't handle old equivalents of
        -mcpu options.
        * config/sparc/linux64.h (CC1_SPEC): Likewise.
        * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
        * config/sparc/sol2-bi.h (CPP_CPU_SPEC, CC1_SPEC): Likewise.
        * config/sparc/sparc.h (CPP_CPU_SPEC, CC1_SPEC, ASM_CPU_SPEC):
        Likewise.
        * config/sparc/t-elf (MULTILIB_MATCHES): Don't handle -mv8.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -fvec or
        -fvec-eabi.

2011-01-14  Mike Stump  <mikestump@comcast.net>

        * config/alpha/alpha.md (umk_mismatch_args): Don't put a mode on set.
        * config/fr30/fr30.md: Likweise
        (movsi_push): Likewise.
        (movsi_pop): Likewise.
        (enter_func): Likewise.
        * config/moxie/moxie.md (movsi_push): Likewise.
        (movsi_pop): Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/mips/linux64.h (LINK_SPEC): Remove %{bestGnum}
        %{no_archive} %{exact_version}.
        * config/mips/mips.h (LINK_SPEC): Remove %{bestGnum}.
        * config/mips/netbsd.h (LINK_SPEC): Remove %{bestGnum}
        %{no_archive} %{exact_version}.
        * config/mips/openbsd.h (LINK_SPEC): Likewise.
        * config/mips/sde.h (LINK_SPEC): Remove %{bestGnum}.
        * config/mips/vxworks.h: Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/microblaze/microblaze.h (ASM_SPEC): Remove
        %{microblaze1}.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/m32r/little.h (CPP_ENDIAN_SPEC, CC1_ENDIAN_SPEC,
        ASM_ENDIAN_SPEC, LINK_ENDIAN_SPEC): Remove.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/nwld.h (LINK_SPEC): Check -nodefaultlibs not
        -nodefaultlib.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/cris/cris.h (ASM_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check
        for mcpu not cpu.
        * config/cris/linux.h (CRIS_CPP_SUBTARGET_SPEC,
        CRIS_CC1_SUBTARGET_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check for mcpu
        not cpu.
        (CRIS_LINK_SUBTARGET_SPEC): Don't generate -rpath-link options.
        Don't handle -shlib.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/avr/avr.h (CPP_SPEC): Don't handle -posix.
        (CC1_SPEC): Don't handle -profile.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/microblaze/microblaze.h (CC1_SPEC): Remove -gline spec.
        * config/mips/mips.h (CC1_SPEC): Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/microblaze/microblaze.h (CC1_SPEC): Remove %{save-temps: }.
        * config/mips/mips.h (CC1_SPEC): Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/linux.h (LINK_SPEC): Don't use %{!ibcs:} conditional.
        * config/m32r/linux.h (LINK_SPEC): Likewise.
        * config/mips/linux.h (LINK_SPEC): Likewise.
        * config/mips/linux64.h (LINK_SPEC): Likewise.
        * config/sparc/linux.h (LINK_SPEC): Likewise.
        * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
        LINK_SPEC): Likewise.
        * config/xtensa/linux.h (LINK_SPEC): Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove
        %{version:-v}.
        * config/lm32/uclinux-elf.h (LINK_SPEC): Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/sparc/sp-elf.h (ASM_SPEC): Remove %{v:-V}.
        * config/sparc/sp64-elf.h (ASM_SPEC): Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove %{b}.

2011-01-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac (gcc_cv_ld_static_dynamic): Solaris 2 ld always
        supports -Bstatic/-Bdynamic.
        * configure: Regenerate.

2011-01-14  Jan Hubicka  <jh@suse.cz>
        Jack Howarth <howarth@bromo.med.uc.edu>

        PR target/46037
        * config/darwin.c (darwin_override_options): Honor flag_gtoggle
        when checking debug_info_level. Test write_symbols instead of
        debug_hooks->var_location when setting flag_var_tracking_uninit.

2011-01-14  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47179
        * target.def (ref_may_alias_errno): New target hook.
        * targhooks.h (default_ref_may_alias_errno): Declare.
        * targhooks.c: Include tree-ssa-alias.h and tree-flow.h.
        (default_ref_may_alias_errno): New function.
        * target.h (struct ao_ref_s): Declare.
        * tree-ssa-alias.c: Include target.h.
        (call_may_clobber_ref_p_1): Use the ref_may_alias_errno target hook.
        * Makefile.in (tree-ssa-alias.o): Adjust dependencies.
        (targhooks.o): Likewise.
        * doc/tm.texi.in (TARGET_REF_MAY_ALIAS_ERRNO): Document.
        * doc/tm.texi (TARGET_REF_MAY_ALIAS_ERRNO): Copy documentation.

2011-01-14  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c  (new_var_info): Use DECL_HARD_REGISTER.

2011-01-14  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47280
        * tree-ssa-forwprop.c (associate_plusminus): Cleanup EH and
        return CFG changes.
        (tree_ssa_forward_propagate_single_use_vars): Deal with
        CFG changes from associate_plusminus.

2011-01-14  Richard Guenther  <rguenther@suse.de>

        PR middle-end/47281
        Revert
        2011-01-11  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/46076
        * tree-ssa.c (useless_type_conversion_p): Conversions from
        unprototyped to empty argument list function types are useless.

2011-01-14  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47286
        * tree-ssa-structalias.c (new_var_info): Register variables are global.

2011-01-14  Martin Jambor  <mjambor@suse.cz>

        PR middle-end/46823
        * tree-inline.c (expand_call_inline): Get fndecl from call graph edge.

2011-01-13  Anatoly Sokolov  <aesok@post.ru>

        * config/xtensa/xtensa.h (XTENSA_LIBCALL_VALUE, LIBCALL_VALUE,
        LIBCALL_OUTGOING_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
        * config/xtensa/xtensa.c (xtensa_libcall_value,
        xtensa_function_value_regno_p): New functions.
        (TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P): Define.

2011-01-13  Kai Tietz  <kai.tietz@onevision.com>

        PR c++/47213
        * config/i386/cygming.h (TARGET_ASM_ASSEMBLE_VISIBILITY):
        PE specific hook.
        * config/i386/i386-protos.h (i386_pe_assemble_visibility):
        New function prototype.
        * config/i386/winnt.c (i386_pe_assemble_visibility):
        Warn only if attribute was specified by user.

2011-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/47251
        * config/rs6000/rs6000.md (floatunsdidf2): Add check for hardware
        floating point.
        (floatunsdidf2_fcfidu): Ditto.

2011-01-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.c (print_operand_address): Replace 'error' with
        'output_operand_lossage'.
        (print_operand): Likewise.

2011-01-13  Jeff Law  <law@redhat.com>

        PR rtl-optimization/39077
        * doc/invoke.texi (max-gcse-insertion-ratio): Document.
        * params.h (MAX_GCSE_INSERTION_RATIO): Define.
        * params.def (PARAM_MAX_GCSE_INSERTION_RATIO): Define.
        * lcm.c (pre_edge_lcm): Properly initialize output sbitmaps.
        * gcse.c (prune_insertions_deletions): New function.
        (compute_pre_data): Use it.

2011-01-13  Dodji Seketeli  <dodji@redhat.com>

        PR debug/PR46973
        * dwarf2out.c (prune_unused_types_mark_generic_parms_dies): New
        static function.
        (prune_unused_types_mark): Use it.

2011-01-13  Andrey Belevantsev  <abel@ispras.ru>

        PR rtl-optimization/45352
        * sel-sched.c: Update copyright years. 
        (reset_sched_cycles_in_current_ebb): Also recheck the DFA state
        in the advancing loop when we have issued issue_rate insns. 

2011-01-12  Richard Henderson  <rth@redhat.com>

        * config/mn10300/mn10300.c (mn10300_md_asm_clobbers): New.
        (TARGET_MD_ASM_CLOBBERS): New.

        * config/mn10300/mn10300.c (mn10300_delegitimize_address): New.
        (TARGET_DELEGITIMIZE_ADDRESS): New.

        * config/mn10300/mn10300.md (UNSPEC_BSCH): New.
        (clzsi2, *bsch): New patterns.

        * config/mn10300/mn10300.md (INT): New mode iterator.
        (*mov<INT>_clr): New pattern, and peep2 to generate it.

        * config/mn10300/mn10300.c (mn10300_option_override): Force enable
        flag_split_wide_types.

        * config/mn10300/mn10300.c (mn10300_asm_trampoline_template): Remove.
        (mn10300_trampoline_init): Rewrite without a template, an immediate
        load and a direct branch.
        * config/mn10300/mn10300.h (TRAMPOLINE_SIZE): Reduce to 16.

2011-01-12  Anatoly Sokolov  <aesok@post.ru>

        * config/s390/s390.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
        * config/s390/s390-protos.h (s390_output_addr_const_extra): Remove.
        * config/s390/s390.c (s390_output_addr_const_extra): Make static.
        (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.

2011-01-12  Kai Tietz  <kai.tietz@onevision.com>

        PR debug/47209
        * dwarfout2.c (should_emit_struct_debug): Use TYPE_MAIN_VARIANT
        of type.

2011-01-12  Jan Hubicka  <jh@suse.cz>

        PR driver/47244
        * gcc.c (PLUGIN_COND): Update to disable plugin unless -flto is used.
        (PLUGIN_COND_CLOSE): New macro.
        (LINK_COMMAND_SPEC): Update to use PLUGIN_COND_CLOSE.

2011-01-12  Richard Guenther  <rguenther@suse.de>

        PR lto/47259
        * lto-streamer-out.c (output_gimple_stmt): Do not wrap
        register variables in a MEM_REF.

2011-01-12  Joseph Myers  <joseph@codesourcery.com>

        * config.gcc (arm*-*-linux*, bfin*-uclinux*, bfin*-linux-uclibc*,
        crisv32-*-linux* | cris-*-linux*, frv-*-*linux*, moxie-*-uclinux*,
        hppa*64*-*-linux*, hppa*-*-linux*, i[34567]86-*-linux* |
        i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu |
        i[34567]86-*-gnu* | i[34567]86-*-kopensolaris*-gnu,
        x86_64-*-linux* | x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu,
        ia64*-*-linux*, lm32-*-uclinux*, m32r-*-linux*, m32rle-*-linux*,
        m68k-*-uclinux*, m68k-*-linux*, microblaze*-linux*,
        mips64*-*-linux* | mipsisa64*-*-linux*, mips*-*-linux*,
        s390-*-linux*, s390x-*-linux*, sh*-*-linux*, sparc-*-linux*,
        sparc64-*-linux*, vax-*-linux*, xtensa*-*-linux*,
        am33_2.0-*-linux*): Use gnu-user.h before linux.h.
        * config/gnu-user.h: New.  Copied from linux.h.
        (LINUX_TARGET_STARTFILE_SPEC): Rename to
        GNU_USER_TARGET_STARTFILE_SPEC.
        (LINUX_TARGET_ENDFILE_SPEC): Rename to
        GNU_USER_TARGET_ENDFILE_SPEC.
        (LINUX_TARGET_CC1_SPEC): Rename to GNU_USER_TARGET_CC1_SPEC.
        (LINUX_TARGET_LIB_SPEC): Rename to GNU_USER_TARGET_LIB_SPEC.
        (OPTION_GLIBC, OPTION_UCLIBC, OPTION_BIONIC,
        LINUX_TARGET_OS_CPP_BUILTINS, CHOOSE_DYNAMIC_LINKER1,
        CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
        UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
        BIONIC_DYNAMIC_LINKER, BIONIC_DYNAMIC_LINKER32,
        BIONIC_DYNAMIC_LINKER64, LINUX_DYNAMIC_LINKER,
        LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64,
        TARGET_C99_FUNCTIONS, TARGET_HAS_SINCOS): Remove.
        * config/arm/linux-eabi.h (CC1_SPEC): Use
        GNU_USER_TARGET_CC1_SPEC.
        (LIB_SPEC): Use GNU_USER_TARGET_LIB_SPEC.
        (STARTFILE_SPEC): Use GNU_USER_TARGET_STARTFILE_SPEC.
        (ENDFILE_SPEC): Use GNU_USER_TARGET_ENDFILE_SPEC
        * config/linux.h (NO_IMPLICIT_EXTERN_C, ASM_APP_ON, ASM_APP_OFF,
        LINUX_TARGET_STARTFILE_SPEC, STARTFILE_SPEC,
        LINUX_TARGET_ENDFILE_SPEC, ENDFILE_SPEC, LINUX_TARGET_CC1_SPEC,
        CC1_SPEC, CPLUSPLUS_CPP_SPEC, LINUX_TARGET_LIB_SPEC, LIB_SPEC,
        LINK_EH_SPEC, LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Remove.

2011-01-12  Richard Guenther  <rguenther@suse.de>

        PR other/46946
        * doc/invoke.texi (ffast-math): Document it is turned on
        with -Ofast.

2011-01-12  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/47233
        * opts.c (common_handle_option): Disable ipa-reference with profile
        feedback.

2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>      

        * c-parser.c (c_parser_objc_at_property_declaration): Improved
        error message.

2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-parser.c (c_lex_one_token): Updated and reindented some
        comments.  No changes in code.

2011-01-11  Ian Lance Taylor  <iant@google.com>

        * godump.c (go_output_var): Don't output the variable if there is
        already a type with the same name.

2011-01-11  Ian Lance Taylor  <iant@google.com>

        * godump.c (go_format_type): Don't generate float80.

2011-01-11  Richard Henderson  <rth@redhat.com>

        * config/mn10300/mn10300.c (mn10300_address_cost): Remove forward
        declaration.  Rewrite for both speed and size.
        (mn10300_address_cost_1): Remove.
        (mn10300_register_move_cost): New.
        (mn10300_memory_move_cost): New.
        (mn10300_rtx_costs): Rewrite for both speed and size.  Don't handle
        ZERO_EXTRACT.  Do handle UNSPEC, arithmetic, logicals, compare,
        extensions, shifts, BSWAP, CLZ.
        (mn10300_wide_const_load_uses_clr): Remove.
        (TARGET_REGISTER_MOVE_COST): New.
        (TARGET_MEMORY_MOVE_COST): New.
        * config/mn10300/mn10300-protos.h: Update.
        * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Remove.

        * config/mn10300/constraints.md ("R", "T"): Remove constraints.
        * config/mn10300/mn10300.c (mn10300_mask_ok_for_mem_btst): Remove.
        * config/mn10300/mn10300-protos.h: Update.
        * config/mn10300/mn10300.md (movsi_internal): Don't use "R".
        (*byte_clear, *byte_set, *bit_clear1, *bit_clear2, *bit_set): Remove.
        (iorqi3, *am33_iorqi3, *mn10300_iorqi3): Remove.
        (*test_int_bitfield, *test_byte_bitfield): Remove.
        (*bit_test, *subreg_bit_test): Remove.
        * config/mn10300/predicates.md (const_8bit_operand): Remove.

        * config/mn10300/constraints.md ("c"): Rename from "A".
        ("A", "D"): New constraint letters.
        * config/mn10300/mn10300.md (fmasf4): Use the "c" constraint.
        (fmssf4, fnmasf4, fnmssf4): Likewise.

        * config/mn10300/mn10300.md (isa): New attribute.
        (enabled): New attribute.

        * config/mn10300/mn10300.md (absdf2, negdf2): Remove.
        (abssf2, negsf2): Define only for hardware fp.
        (sqrtsf2): Reformat.
        (addsf3, subsf3, mulsf3): Merge expander and insn.

        * config/mn10300/mn10300.h (ARG_PIONTER_CFA_OFFSET): New.
        (DEBUGGER_AUTO_OFFSET): Remove.
        (DEBUGGER_ARG_OFFSET): Remove.

        * config/mn10300/mn10300.c (mn10300_gen_multiple_store): Make static.
        Emit register stores with the same offsets as the hardware.
        (mn10300_store_multiple_operation): Don't check that the register
        save offsets are monotonic.
        * config/mn10300/mn10300-protos.h: Update.

        * config/mn10300/mn10300.h (ASM_PN_FORMAT): Delete.

        * config/mn10300/mn10300.h (INCOMING_RETURN_ADDR_RTX): Define
        in terms of the value on the stack, not the MDR register.

2011-01-11  Jan Hubicka  <jh@suse.cz>

        PR lto/45721
        PR lto/45375
        * tree.h (symbol_alias_set_t): Move typedef here from varasm.c
        (symbol_alias_set_destroy, symbol_alias_set_contains,
        propagate_aliases_backward): Declare.
        * lto-streamer-out.c (struct sets): New sturcture.
        (trivally_defined_alias): New function.
        (output_alias_pair_p): Rewrite.
        (output_unreferenced_globals): Fix output of alias pairs.
        (produce_symtab): Likewise.
        * ipa.c (function_and_variable_visibility): Set weak alias destination
        as needed in lto.
        * varasm.c (symbol_alias_set_t): Remove.
        (symbol_alias_set_destroy): Export.
        (propagate_aliases_forward, propagate_aliases_backward): New functions
        based on ...
        (compute_visible_aliases): ... this one; remove.
        (trivially_visible_alias): New
        (trivially_defined_alias): New.
        (remove_unreachable_alias_pairs): Rewrite.
        (finish_aliases_1): Reorganize code checking if alias is defined.
        * passes.c (rest_of_decl_compilation): Do not call assemble_alias when
        in LTO mode.

2011-01-11  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/46076
        * tree-ssa.c (useless_type_conversion_p): Conversions from
        unprototyped to empty argument list function types are useless.

2011-01-11  Richard Guenther  <rguenther@suse.de>

        PR middle-end/45235
        * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not mark
        volatile MEMs as MEM_READONLY_P.

2011-01-11  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47239
        * tree-ssa-ccp.c (get_value_from_alignment): Punt for FUNCTION_DECLs.

2011-01-11  Jeff Law  <law@redhat.com>

        PR tree-optimization/47086
        * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Do not record
        IVs from statements that might throw.

2011-01-10  Jan Hubicka  <jh@suse.cz>

        PR lto/45375
        * lto-cgraph.c (input_profile_summary): Remove overactive sanity check.

2011-01-10  Jan Hubicka  <jh@suse.cz>

        PR lto/45375
        * profile.c (read_profile_edge_counts): Ignore profile inconistency
        when correcting profile.

2011-01-10  Jan Hubicka  <jh@suse.cz>

        PR lto/46083
        * lto-streamer-out.c (pack_ts_function_decl_value_fields): Store
        DECL_FINI_PRIORITY.
        * lto-streamer-in.c (unpack_ts_function_decl_value_fields):
        Restore DECL_FINI_PRIORITY.

2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/gimple.texi: Fix quoting of multi-word return values in
        @deftypefn statements.  Ensure presence of return value.  Wrap
        overlong @deftypefn lines.
        (is_gimple_operand, is_gimple_min_invariant_address): Remove
        descriptions of removed functions.
        * doc/hostconfig.texi (Host Common): Wrap long line, fix quoting
        of multi-word return value in @deftypefn statement.

2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/gimple.texi (Temporaries, Operands, Compound Lvalues)
        (Conditional Expressions, Logical Operators)
        (Statement and operand traversals): Do not indent smallexample
        code.  Fix duplicate function argument in example.

2011-01-10  Jeff Law  <law@redhat.com>

        PR tree-optimization/47141
        * ipa-split.c (split_function): Handle case where we are
        returning a value and the return block has a virtual operand phi.

2011-01-10  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/47234 
        * tree-pass.h (TODO_rebuild_cgraph_edges): New TODO.
        (pass_feedback_split_functions): Declare.
        * passes.c (init_optimization_passes): Add ipa-split as subpass of
        tree-profile.
        * ipa-split.c (gate_split_functions): Update comments; disable
        split-functions for profile_arc_flag and branch_probabilities.
        (gate_feedback_split_functions): New function.
        (execute_feedback_split_functions): New function.
        (pass_feedback_split_functions): New global var.

2011-01-10  H.J. Lu  <hongjiu.lu@intel.com>

        PR lto/46760
        * tree-inline.c (tree_can_inline_p): Check e->call_stmt before
        calling gimple_call_set_cannot_inline.

2011-01-10  Iain Sandoe  <iains@gcc.gnu.org>

        * config/darwin-sections.def: Remove unused section.

2011-01-10  Dave Korn  <dave.korn.cygwin@gmail.com>

        PR c++/47218
        * cgraphunit.c (assemble_thunk): Call resolve_unique_section.

2011-01-09  Nicola Pero  <nicola.pero@meta-innovation.com>

        PR objc/47232
        * c-parser.c (c_parser_declaration_or_fndef): Improved
        error message.

2011-01-09  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/winnt.c (i386_pe_start_function): Make sure
        to switch back to function's section.

2011-01-09  Iain Sandoe  <iains@gcc.gnu.org>

        PR gcc/46902
        PR testsuite/46912
        * plugin.c: Move include of dlfcn.h from here...
        * system.h: ... to here.

2011-01-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/cpp.texi (C++ Named Operators): Fix markup for header
        file name.
        * doc/cppinternals.texi (Top): Wrap node in @ifnottex to avoid
        two extra empty pages in PDF output.

2011-01-08  Nicola Pero  <nicola.pero@meta-innovation.com>

        PR objc/47078
        * c-parser.c (c_parser_objc_type_name): If the type is unknown,
        for error recovery purposes behave as if it was not specified so
        that the default type is usd.

2011-01-07  Jan Hubicka  <jh@suse.cz>

        PR tree-optmization/46469
        * ipa.c (function_and_variable_visibility): Clear needed flags on
        nodes with external decls; handle weakrefs merging correctly.

2011-01-07  Joseph Myers  <joseph@codesourcery.com>

        * opts.c (finish_options): Set opts->x_flag_opts_finished to true,
        not false.

2011-01-07  Jan Hubicka  <jh@suse.cz>

        * doc/invoke.texi: (-flto, -fuse-linker-plugin): Update defaults
        and no longer claim that gold is required for linker plugin.
        * configure: Regenerate.
        * gcc.c (PLUGIN_COND): New macro.
        (LINK_COMMAND_SPEC): Use it.
        (main): Default to plugin enabled with HAVE_LTO_PLUGIN is set.
        * config.in (HAVE_LTO_PLUGIN): New.
        * configure.ac (--with-lto-plugin): New parameter; autodetect
        HAVE_LTO_PLUGIN.

2011-01-07  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/46367
        * ipa-inline.c (cgraph_clone_inlined_nodes): Use original function only
        when we can update original.
        (cgraph_mark_inline_edge): Sanity check.
        * ipa-prop.c (ipa_make_edge_direct_to_target): Sanity check.

2011-01-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.h (ASM_COMMENT_START): Define.

2011-01-07  H.J. Lu  <hongjiu.lu@intel.com>

        PR driver/42445
        * gcc.c (%>S): New.
        (SWITCH_KEEP_FOR_GCC): Likewise.
        (set_collect_gcc_options): Check SWITCH_KEEP_FOR_GCC.
        (do_spec_1): Handle "%>".

        * config/i386/i386.h (CC1_CPU_SPEC): Replace "%<" with "%>".

2011-01-07  Jakub Jelinek  <jakub@redhat.com>

        PR target/47201
        * config/i386/i386.c (ix86_delegitimize_address): If
        simplify_gen_subreg fails, return orig_x.

        PR bootstrap/47187
        * value-prof.c (gimple_stringop_fixed_value): Handle
        lhs of the call properly.

2011-01-07  Jan Hubicka  <jh@suse.cz>

        PR lto/45375
        * lto-opt.c (lto_reissue_options): Set flag_shlib.

2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>

        * target.def (function_switched_text_sections): New hook.
        * doc/tm.texi: Regenerated.
        * doc/tm.texi.in (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
        * final.c (default_function_switched_text_sections): New.
        (final_scan_insn): Call function_switched_text_sections when a
        mid-function section change occurs.
        * output.h (default_function_switched_text_sections): Declare.
        * config/darwin-protos.h (darwin_function_switched_text_sections):
        Likewise.
        * config/darwin.c (darwin_function_switched_text_sections): New.
        * config/darwin.h (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.

2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>

        * dwarf2out.c (gen_subprogram_die):  Add pubnames with code ranges for
        DWARF >= 3.  Add pubnames for the primary section and a reduced DIE for
        the secondary code fragment when outputting for DWARF == 2.

2011-01-07  Anatoly Sokolov  <aesok@post.ru>

        * config/xtensa/xtensa.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
        * config/xtensa/xtensa-protos.h (xtensa_output_addr_const_extra):
        Remove.
        * config/xtensa/xtensa.c (xtensa_output_addr_const_extra): Make static.
        (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.

2011-01-06  Eric Botcazou  <ebotcazou@adacore.com>

        PR debug/46704
        * dwarf2out.c (dwarf2out_finish): Output the debug_aranges section only
        when it is not empty.

2011-01-06  Changpeng Fang  <changpeng.fang@amd.com>

        Bobcat Enablement
        * config.gcc (i[34567]86-*-linux* | ...): Add btver1.
        (case ${target}): Add btver1.
        * config/i386/driver-i386.c (host_detect_local_cpu): Let
        -march=native recognize btver1 processors.
        * config/i386/i386-c.c (ix86_target_macros_internal): Add
        btver1 def_and_undef
        * config/i386/i386.c (struct processor_costs btver1_cost): New
        btver1 cost table.
        (m_BTVER1): New definition.
        (m_AMD_MULTIPLE): Includes m_BTVER1.
        (initial_ix86_tune_features): Add btver1 tune.
        (processor_target_table): Add btver1 entry.
        (static const char *const cpu_names): Add btver1 entry.
        (software_prefetching_beneficial_p): Add btver1.
        (ix86_option_override_internal): Add btver1 instruction sets.
        (ix86_issue_rate): Add btver1.
        (ix86_adjust_cost): Add btver1.
        * config/i386/i386.h (TARGET_BTVER1): New definition.
        (enum target_cpu_default): Add TARGET_CPU_DEFAULT_btver1.
        (enum processor_type): Add PROCESSOR_BTVER1.
        * config/i386/i386.md (define_attr "cpu"): Add btver1.

2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR target/43309
        * config/i386/i386.c (legitimize_tls_address)
        <TLS_MODEL_INITIAL_EXEC>: Handle TARGET_64BIT && TARGET_SUN_TLS.
        * config/i386/i386.md (UNSPEC_TLS_IE_SUN): Declare.
        (tls_initial_exec_64_sun): New pattern.

2011-01-06  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/invoke.texi (Overall Options): Improve wording and markup
        of the description of -wrapper.

2011-01-06  Joseph Myers  <joseph@codesourcery.com>

        * config/sol2.opt (G, YP,, Ym,, compat-bsd, pthread, pthreads,
        rdynamic, threads): New Driver options.

2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR target/38118
        * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Also switch to .bss
        if coming from .tdata.
        * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.

2011-01-06  Jan Hubicka  <jh@suse.cz>

        PR lto/47188
        * collect2.c (main): Do not enable LTOmode when plugin is active.

2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR other/45915
        * configure.ac (gcc_cv_as_gnu_unique_object): Only use ldd
        --version output if supported.
        * configure: Regenerate.

2011-01-06  Joseph Myers  <joseph@codesourcery.com>

        * config/linux-android.opt (tno-android-cc, tno-android-ld): New
        Driver options.

2011-01-06  Jakub Jelinek  <jakub@redhat.com>

        PR c/47150
        * c-convert.c (convert): When converting a complex expression
        other than COMPLEX_EXPR to a different complex type, ensure
        c_save_expr is called instead of save_expr, unless in_late_binary_op.
        * c-typeck.c (convert_for_assignment): Set in_late_binary_op also
        when converting COMPLEX_TYPE.

2011-01-06  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/47139
        * tree-vect-loop.c (vect_is_simple_reduction_1): Check that
        only the last reduction value is used outside the loop.  Update
        documentation.

2011-01-05  Joseph Myers  <joseph@codesourcery.com>

        * config/rtems.opt: New.
        * config.gcc (*-*-rtems*): Use rtems.opt.

2011-01-05  Changpeng Fang  <changpeng.fang@amd.com>

        * config/i386/i386.c (ix86_option_override_internal): Bulldozer
        processors do not support 3DNow instructions.

2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.c (spu_option_override): Set parameter
        PARAM_MAX_COMPLETELY_PEEL_TIMES to 4 instead of 1.

2011-01-05  Jan Hubicka  <jh@suse.cz>

        * lto-wrapper.c (run_gcc): Default to WHOPR mode when none is specified
        at the command line.

2011-01-05  Martin Jambor  <mjambor@suse.cz>

        PR lto/47162
        * lto-cgraph.c (output_cgraph_opt_summary_p): Also check for thunk
        deltas on streamed outgoing edges.
        (output_node_opt_summary): Output info for outgoing edges only when
        the node is in new parameter set.
        (output_cgraph_opt_summary): New parameter set, passed to the two
        aforementioned functions.  Update its forward declaration and its
        callee too.

2011-01-05  Tom Tromey  <tromey@redhat.com>

        * c-parser.c (c_parser_omp_atomic): Pass location of assignment
        operator to c_finish_omp_atomic.
        * c-typeck.c (lvalue_or_else): Add 'loc' argument.
        (build_unary_op): Update.
        (build_modify_expr): Update.
        (build_asm_expr): Update.

2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.c (emit_nop_for_insn): Set INSN_LOCATOR for
        newly inserted insns.
        (pad_bb): Likewise.
        (spu_emit_branch_hint): Likewise.
        (insert_hbrp_for_ilb_runout): Likewise.
        (spu_machine_dependent_reorg): Call df_finish_pass after
        schedule_insns returns.

2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.c (spu_expand_prologue): Support -fstack-usage.

2011-01-05  Eric Botcazou  <ebotcazou@adacore.com>

        PR tree-optimization/47005
        * tree-sra.c (struct access): Add 'non_addressable' bit.
        (create_access): Set it for a DECL_NONADDRESSABLE_P field.
        (decide_one_param_reduction): Return 0 if the parameter is passed by
        reference and one of the accesses in the group is non_addressable.

2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>

        PR tree-optimization/47056
        * cgraphbuild.c (mark_address): Remove ATTRIBUTE_UNUSED markers.
        (mark_load): Likewise.  Handle FUNCTION_DECL specially.
        (mark_store): Likewise.  Pass STMT to ipa_record_reference.

2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>

        * dwarf2out.c (rtl_for_decl_init): Strip no-op conversions off the
        initializer.  Skip view conversions from aggregate types.

2011-01-04  Kai Tietz  <kai.tietz@onevision.com>

        PR bootstrap/47055
        * libgcov.c (gcov_exit): Check for HAS_DRIVE_SPEC.

2011-01-04  Philipp Thomas <pth@suse.de>

        * config/microblaze/microbalse.opt (mxl-float-convert): Fix
        obvious typo.

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

        * function.c (thread_prologue_and_epilogue_insns): Do not crash
        on empty epilogue sequences.

2011-01-04  Joseph Myers  <joseph@codesourcery.com>

        * config/vxworks.opt (Bdynamic, Bstatic, Xbind-lazy, Xbind-now,
        non-static): New Driver options.

2011-01-04  Jie Zhang  <jie@codesourcery.com>

        PR driver/47137
        * gcc.c (default_compilers[]): Set combinable field to 0
        for all assembly languages.

2011-01-04  Mingjie Xing  <mingjie.xing@gmail.com>

        * config/mips/loongson3a.md: New file.
        * config/mips/mips.md: Include loongson3a.md.
        * config/mips/mips.c (mips_multipass_dfa_lookahead): Return 4 when
        TUNE_LOONGSON_3A.

2011-01-03  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/47017
        * expr.c (expand_expr_real_1) <MEM_REF>: Call memory_address_addr_space
        instead of convert_memory_address_addr_space on the base expression.

2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.c (spu_option_override): Update error text
        for bad -march= / -mtune= values.

2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.c (asm_file_start): Only reset flag_var_tracking
        if branch-hint optimization will be performed.

2011-01-03  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/47148
        * ipa-split.c (split_function): Convert arguments to
        DECL_ARG_TYPE if possible.

        PR tree-optimization/47155
        * tree-ssa-ccp.c (bit_value_binop_1): Use r1type instead of type
        when computing uns.

        PR rtl-optimization/47157
        * combine.c (try_combine): If undobuf.other_insn becomes
        (set (pc) (pc)) jump, call update_cfg_for_uncondjump on it
        and set *new_direct_jump_p too.

2011-01-03  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/47021
        * graphite-sese-to-poly.c (scan_tree_for_params): Handle ADDR_EXPR.

2011-01-03  Jakub Jelinek  <jakub@redhat.com>

        * gcc.c (process_command): Update copyright notice dates.
        * gcov.c (print_version): Likewise.
        * gcov-dump.c (print_version): Likewise.
        * mips-tfile.c (main): Likewise.
        * mips-tdump.c (main): Likewise.

2011-01-03  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/46801
        * tree-sra.c (type_internals_preclude_sra_p): Check whether
        aggregate fields start at byte boundary instead of the bit-field flag.

2011-01-03  H.J. Lu  <hongjiu.lu@intel.com>

        PR driver/47137
        * gcc.c (main): Revert revision 168407.

2011-01-03  Martin Jambor  <mjambor@suse.cz>

        * lto-cgraph.c (input_cgraph_opt_section): Use the correct section type.

2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * tree-vect-generic.c (expand_vector_operations_1): When using vector/
        vector optab to expand vector/scalar shift, update gimple to vector.

2011-01-03  Martin Jambor  <mjambor@suse.cz>

        * cgraphunit.c (verify_cgraph_node): Verify there is no direct call to
        a thunk.

2011-01-03  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/46984
        * cgraph.h (cgraph_indirect_call_info): make field thunk_delta
        HOST_WIDE_INT.
        (cgraph_create_indirect_edge): Fixed line length.
        (cgraph_indirect_call_info): Declare.
        (cgraph_make_edge_direct) Update declaration.
        * cgraph.c (cgraph_allocate_init_indirect_info): New function.
        (cgraph_create_indirect_edge): Use it.
        (cgraph_make_edge_direct): Made delta HOST_WIDE_INT.  Updated all
        callees.
        * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update for
        the new thunk_delta representation.
        * ipa-prop.c (ipa_make_edge_direct_to_target): Convert delta to
        HOST_WIDE_INT.
        (ipa_write_indirect_edge_info): Remove streaming of thunk_delta.
        (ipa_read_indirect_edge_info): Likewise.
        * lto-cgraph.c (output_edge_opt_summary): New function.
        (output_node_opt_summary): Call it on all outgoing edges.
        (input_edge_opt_summary): New function.
        (input_node_opt_summary): Call it on all outgoing edges.

2011-01-02  H.J. Lu  <hongjiu.lu@intel.com>

        PR driver/47137
        * gcc.c (main): Don't check have_o when settting combine_inputs.

2011-01-02  Eric Botcazou  <ebotcazou@adacore.com>

        * regrename.c: Add general comment describing the pass.
        (struct du_head): Remove 'length' field.
        (get_element, merge_sort_comparison, merge, sort_du_head): Remove.
        (regrename_optimize): Do not sort chains.  Rework comments, add others.
        Force renaming to the preferred class (if any) in the first pass and do
        not consider registers that belong to it in the second pass.
        (create_new_chain): Do not set 'length' field.
        (scan_rtx_reg): Likewise.

2011-01-02  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/47140
        * tree-ssa-ccp.c (evaluate_stmt): For binary assignments, use
        TREE_TYPE (lhs) instead of TREE_TYPE (rhs1) as second argument
        to bit_value_binop.

        PR rtl-optimization/47028
        * cfgexpand.c (gimple_expand_cfg): Insert entry edge insertions after
        parm_birth_insn instead of at the beginning of first bb.

2011-01-02  Mingjie Xing  <mingjie.xing@gmail.com>

        * doc/generic.texi: Remove duplicated "@subsubsection Statements".
        Remove the word "see" before "@pxref".
        * doc/rtl.texi: Remove the word "see" before "@pxref".

2011-01-01  Jan Hubicka  <jh@suse.cz>

        * tree-loop-distribution.c (tree_loop_distribution): Do not use freed
        memory.

2011-01-01  Kai Tietz  <kai.tietz@onevision.com>

        PR target/38662
        * tree.c (type_hash_eq): Call language hook for METHOD_TYPEs, too.

\f
Copyright (C) 2011 Free Software Foundation, Inc.

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