* config/i386/i386.md (ix86_print_operand): Output DFmode const_double

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

2011-03-24  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (ix86_print_operand): Output DFmode const_double
        correctly.

2011-03-24  Jakub Jelinek  <jakub@redhat.com>

        PR debug/48204
        * simplify-rtx.c (simplify_const_unary_operation): Call
        real_convert when changing mode class with FLOAT_EXTEND.

2011-03-24  Nick Clifton  <nickc@redhat.com>

        * config/rx/rx.h (LABEL_ALIGN_FOR_BARRIER): Define.
        (ASM_OUTPUT_MAX_SKIP_ALIGN): Define.
        * config/rx/rx.c (rx_option_override): Set align_jumps,
        align_loops and align_labels if not set by the user.
        (rx_align_for_label): New function.
        (rx_max_skip_for_label): New function.
        (TARGET_ASM_JUMP_ALIGN_MAX_SKIP): Define.
        (TARGET_ASM_LOOP_ALIGN_MAX_SKIP): Define.
        (TARGET_ASM_LABEL_ALIGN_MAX_SKIP): Define.
        (TARGET_ASM_LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Define.
        * config/rx/rx-protos.h (rx_align_for_label): Add prototype.

2011-03-24  Richard Sandiford  <richard.sandiford@linaro.org>

        PR rtl-optimization/48263
        * optabs.c (expand_binop_directly): Reinstate convert_modes code
        and original commutative_p handling.  Use maybe_gen_insn.

2011-03-24  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * reload.c (find_reloads_subreg_address): Add address_reloaded
        parameter and return true there if the full address has been
        reloaded.
        (find_reloads_toplev): Pass address_reloaded flag.
        (find_reloads_address_1): Don't use address_reloaded parameter.

2011-03-24  Jeff Law  <law@redhat.com>

        * tree-ssa-live.c (remove_unused_scope_block_p): Remove set but
        unused variable "ann".
        (remove_unused_locals): Likewise.

        * tree-ssa-copy.c (propagate_tree_value_into_stmt): Remove useless
        statement.

        * cfglayout.c (fixup_reorder_chain): Do not dereference E_FALL
        after it is freed.

2011-03-24  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.c (s390_preferred_reload_class): Return NO_REGS
        for invalid symbolic addresses.
        (s390_secondary_reload): Don't use s390_check_symref_alignment for
        larl operands.

2011-03-24  Eric Botcazou  <ebotcazou@adacore.com>

        * fold-const.c (fold_ternary_loc): Preserve the location (if any) of
        the argument in calls to fold_truth_not_expr.

2011-03-24  Nathan Froyd  <froydnj@codesourcery.com>

        * tree.c (record_node_allocation_statistics): New function.
        (make_node_stat, copy_node_stat, build_string): Call it.
        (make_tree_binfo_stat, make_tree_vec_stat, tree_cons_stat): Likewise.
        (build1_stat, build_omp_clause): Likewise.

2011-03-24  Richard Sandiford  <richard.sandiford@linaro.org>

        * builtins.c (expand_movstr): Fix endp == 1 adjustment after
        last commit.

2011-03-24  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/48271
        * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only cleanup
        blocks that still exist.

2011-03-24  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/48270
        * tree-ssa-phiopt.c (cond_if_else_store_replacement): Do
        not free datarefs before ddrs.

2011-03-24  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-sra.c (build_ref_for_offset): Strip useless type conversions
        from the address built for a reference with variable offset.

2011-03-24  Uros Bizjak  <ubizjak@gmail.com>

        PR target/48237
        * config/i386/i386.md (*movdf_internal_rex64): Do not split
        alternatives that can be handled with movq or movabsq insn.
        (*movdf_internal): Disable for !TARGET_64BIT.
        (*movdf_internal_nointeger): Ditto.
        * config/i386/i386.c (ix86_print_operand): Handle DFmode immediates.

2011-03-24  Nathan Froyd  <froydnj@codesourcery.com>

        * system.h (FUNCTION_ARG, FUNCTION_INCOMING_ARG): Poison.
        (FUNCTION_ARG_ADVANCE): Likewise.
        * tm.texi.in: Change references to them to hook references.
        * tm.texi: Regenerate.
        * targhooks.c (default_function_arg): Eliminate check for target macro.
        (default_function_incoming_arg): Likewise.
        (default_function_arg_advance): Likewise.
        * target.def (function_arg, function_incoming_arg): Change to DEFHOOK.
        (function_arg_advance): Likewise.
        * target-def.h: Eliminate FUNCTION_INCOMING_ARG check.

2011-03-24  Richard Guenther  <rguenther@suse.de>

        PR middle-end/48269
        * tree-object-size.c (addr_object_size): Do not double-account
        for MEM_REF offsets.

2011-03-24  Diego Novillo  <dnovillo@google.com>

        * lto-opts.c (input_data_block): Move to lto-streamer-in.c.
        * lto-streamer-in.c (input_string_internal): Add clarifying comments.
        (lto_input_data_block): Move from lto-opts.c.  Make extern.
        Update all users.
        (lto_input_string): Rename from input_string.  Make extern.
        Update all users.
        * lto-streamer-out.c (lto_output_string_with_length): Rename from
        output_string_with_length.
        Output 0 to indicate a non-NULL string.  Update all callers to
        not emit 0.
        (lto_output_string): Rename from output_string.  Make extern.
        Update all users.
        (lto_output_decl_state_streams): Make extern.
        (lto_output_decl_state_refs): Make extern.
        * lto-streamer.h (lto_input_string): Declare.
        (lto_input_data_block): Declare.
        (lto_output_string): Declare.
        (lto_output_string_with_length): Declare.
        (lto_output_decl_state_streams): Declare.
        (lto_output_decl_state_refs): Declare.

2011-03-24  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/46562
        * tree.c (build_invariant_address): New function.
        * tree.h (build_invariant_address): Declare.
        * tree-dfa.c (get_addr_base_and_unit_offset): Wrap around
        a renamed function moved ...
        * tree-flow-inline.h (get_addr_base_and_unit_offset_1): ... here.
        Take valueization callback parameter.
        * tree-flow.h (gimple_fold_stmt_to_constant): Declare.
        * gimple-fold.h: New file.
        * tree-ssa-ccp.c (ccp_fold): Use gimple_fold_stmt_to_constant_1.
        (ccp_fold, fold_const_aggregate_ref,
        fold_ctor_reference, fold_nonarray_ctor_reference,
        fold_array_ctor_reference, fold_string_cst_ctor_reference,
        get_base_constructor): Move ...
        * gimple-fold.c: ... here.
        (gimple_fold_stmt_to_constant_1): New function
        split out from ccp_fold.  Take a valueization callback parameter.
        Valueize all operands.
        (gimple_fold_stmt_to_constant): New wrapper function.
        (fold_const_aggregate_ref_1): New function split out from
        fold_const_aggregate_ref.  Take a valueization callback parameter.
        (fold_const_aggregate_ref): Wrap fold_const_aggregate_ref_1.
        * tree-ssa-sccvn.c (simplify_binary_expression): Simplify
        invariant POINTER_PLUS_EXPRs to invariant form.
        (vn_valueize): New function.
        (try_to_simplify): Simplify by using gimple_fold_stmt_to_constant.
        * tree-vrp.c (vrp_valueize): New function.
        (vrp_visit_assignment_or_call): Use gimple_fold_stmt_to_constant
        to fold statements to constants.
        * tree-ssa-pre.c (eliminate): Properly guard propagation of
        function declarations.
        * Makefile.in (tree-ssa-sccvn.o, tree-vrp.o, gimple-fold.o,
        tree-ssa-ccp.o): Add gimple-fold.h dependencies.

2011-03-24  Richard Sandiford  <richard.sandiford@linaro.org>

        * config/h8300/predicates.md (jump_address_operand): Fix register
        mode check.

2011-03-24  Ira Rosen  <ira.rosen@linaro.org>

        * doc/invoke.texi (max-stores-to-sink): Document.
        * params.h (MAX_STORES_TO_SINK): Define.
        * opts.c (finish_options): Set MAX_STORES_TO_SINK to 0
        if either vectorization or if-conversion is disabled.
        * tree-data-ref.c (dr_equal_offsets_p1): Moved and renamed from
        tree-vect-data-refs.c vect_equal_offsets.
        (dr_equal_offsets_p): New function.
        (find_data_references_in_bb): Remove static.
        * tree-data-ref.h (find_data_references_in_bb): Declare.
        (dr_equal_offsets_p): Likewise.
        * tree-vect-data-refs.c (vect_equal_offsets): Move to tree-data-ref.c.
        (vect_drs_dependent_in_basic_block): Update calls to
        vect_equal_offsets.
        (vect_check_interleaving): Likewise.
        * tree-ssa-phiopt.c: Include cfgloop.h and tree-data-ref.h.
        (cond_if_else_store_replacement): Rename to...
        (cond_if_else_store_replacement_1): ... this.  Change arguments and
        documentation.
        (cond_if_else_store_replacement): New function.
        * Makefile.in (tree-ssa-phiopt.o): Adjust dependencies.
        * params.def (PARAM_MAX_STORES_TO_SINK): Define.

2011-03-23  Chung-Lin Tang  <cltang@codesourcery.com>

        PR target/46934
        * config/arm/arm.md (casesi): Use the gen_int_mode() function
        to subtract lower bound instead of GEN_INT().

2011-03-23  Jonathan Wakely  <jwakely.gcc@gmail.com>

        PR other/48179
        PR other/48221
        PR other/48234
        * doc/extend.texi (Alignment): Move section to match order in TOC.
        * doc/invoke.texi (i386 and x86-64 Windows Options): Likewise.
        (Warning Options): Adjust -Wno-cpp summary and remove stray backslash.

2011-03-23  Jeff Law  <law@redhat.com>

        * cfg.c (redirect_edge_succ_nodup): Duplicate the varm map
        before removing the edge.

        * cfgrtl.c (cfg_layout_redirect_edge_and_branch): Do not use E after
        it may have been freed by redirect_branch_edge or
        redirect_edge_succ_nodup.

2011-03-23  Richard Guenther  <rguenther@suse.de>

        * tree-stdarg.c (va_list_counter_bump): Handle bumps via MEM_REF.
        (check_va_list_escapes): Likewise.
        (check_all_va_list_escapes): Likewise.

2011-03-23  Richard Guenther  <rguenther@suse.de>

        * Makefile.in (IPA_TYPE_ESCAPE_H): Remove.
        (OBJS-archive): Remove ipa-struct-reorg.o and ipa-type-escape.o.
        (tree-ssa-alias.o): Do not depend on IPA_TYPE_ESCAPE_H.
        (alias.o): Likewise.
        (ipa-type-escape.o): Remove.
        (ipa-struct-reorg.o): Likewise.
        (GTFILES): Remove ipa-struct-reorg.c.
        * alias.c: Do not include ipa-type-escape.h.
        * tree-ssa-alias.c: Likewise.
        * common.opt (fipa-struct-reorg): Preserve for backward compatibility.
        * opts.c (finish_options): Do not reset flag_ipa_struct_reorg.
        * passes.c (init_optimization_passes): Remove ipa-struct-reorg
        and ipa-type-escape passes.
        * tree-pass.h (pass_ipa_type_escape): Remove.
        (pass_ipa_struct_reorg): Likewise.
        * ipa-struct-reorg.h: Remove.
        * ipa-struct-reorg.c: Likewise.
        * ipa-type-escape.h: Likewise.
        * ipa-type-escape.c: Likewise.
        * doc/invoke.texi (-fipa-struct-reorg): Remove.
        (--param struct-reorg-cold-struct-ratio): Likewise.
        * params.def (PARAM_STRUCT_REORG_COLD_STRUCT_RATIO): Likewise.
        * params.h (STRUCT_REORG_COLD_STRUCT_RATIO): Likewise.
        * timevar.def (TV_IPA_TYPE_ESCAPE): Likewise.

2011-03-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/2084.md: Enable all insn reservations also for z9_ec
        cpu attribute value.
        * config/s390/s390-opts.h (enum s390_arch_option): Remove.
        (enum processor_type): Add PROCESSOR_2094_Z9_EC.
        * config/s390/s390.c (processor_flags_table): New constant array.
        (s390_handle_arch_option): Remove.
        (s390_handle_option): Remove s390_handle_arch_option invocations
        and OPT_mwarn_framesize_ handling.
        (s390_option_override): Remove s390_handle_arch_option invocation.
        (s390_emit_prologue): Remove use of HOST_WIDE_INT_PRINT_DEC in
        warnings.
        * config/s390/s390.md (cpu attribute): Add z9_ec value.
        * config/s390/s390.opt (s390_tune, s390_arch)
        (march=): Replace s390_arch_option enum and values with
        processor_type.  Set variable name to s390_arch.  Set
        initialization value.
        (mtune=): Replace s390_arch_option with processor_type.  Set
        variable name to s390_tune.  Set initialization value.

2011-03-23  Julian Brown  <julian@codesourcery.com>

        * expr.c (expand_expr_real_1): Only use BLKmode for volatile
        accesses which are not naturally aligned.

2011-03-23  Richard Sandiford  <richard.sandiford@linaro.org>

        PR target/47553
        * config/arm/predicates.md (neon_lane_number): Accept 0..15.

2011-03-23  Richard Sandiford  <richard.sandiford@linaro.org>

        * optabs.h (emit_unop_insn, maybe_emit_unop_insn): Change insn code
        parameter from "int" to "enum insn_code".
        (expand_operand_type): New enum.
        (expand_operand): New structure.
        (create_expand_operand): New function.
        (create_fixed_operand, create_output_operand): Likewise
        (create_input_operand, create_convert_operand_to): Likewise.
        (create_convert_operand_from, create_address_operand): Likewise.
        (create_integer_operand): Likewise.
        (create_convert_operand_from_type, maybe_legitimize_operands): Declare.
        (maybe_gen_insn, maybe_expand_insn, maybe_expand_jump_insn): Likewise.
        (expand_insn, expand_jump_insn): Likewise.
        * builtins.c (expand_builtin_prefetch): Use the new interfaces.
        (expand_builtin_interclass_mathfn, expand_builtin_strlen): Likewise.
        (expand_movstr, expand_builtin___clear_cache): Likewise.
        (expand_builtin_lock_release): Likewise.
        * explow.c (allocate_dynamic_stack_space): Likewise.
        (probe_stack_range): Likewise.  Allow check_stack to FAIL,
        and use the default handling in that case.
        * expmed.c (check_predicate_volatile_ok): Delete.
        (store_bit_field_1, extract_bit_field_1): Use the new interfaces.
        (emit_cstore): Likewise.
        * expr.c (emit_block_move_via_movmem): Likewise.
        (set_storage_via_setmem, expand_assignment): Likewise.
        (emit_storent_insn, try_casesi): Likewise.
        (emit_single_push_insn): Likewise.  Allow the expansion to fail.
        * optabs.c (expand_widen_pattern_expr, expand_ternary_op): Likewise.
        (expand_vec_shift_expr, expand_binop_directly): Likewise.
        (expand_twoval_unop, expand_twoval_binop): Likewise.
        (expand_unop_direct, emit_indirect_jump): Likewise.
        (emit_conditional_move, vector_compare_rtx): Likewise.
        (expand_vec_cond_expr, expand_val_compare_and_swap_1): Likewise.
        (expand_sync_operation, expand_sync_fetch_operation): Likewise.
        (expand_sync_lock_test_and_set): Likewise.
        (maybe_emit_unop_insn): Likewise.  Change icode to an insn_code.
        (emit_unop_insn): Likewise.
        (expand_copysign_absneg): Change icode to an insn_code.
        (create_convert_operand_from_type): New function.
        (maybe_legitimize_operand, maybe_legitimize_operands): Likewise.
        (maybe_gen_insn, maybe_expand_insn, maybe_expand_jump_insn): Likewise.
        (expand_insn, expand_jump_insn): Likewise.
        * config/i386/i386.md (setmem<mode>): Use nonmemory_operand rather
        than const_int_operand for operand 2.

2011-03-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * dwarf2out.c (const_ok_for_output_1): Print the unspec enum name
        if possible.

2011-03-22  Nathan Froyd  <froydnj@codesourcery.com>

        * emit-rtl.c (emit_pattern_before_noloc): New function.
        (emit_insn_before_noloc, emit_jump_insn_before_noloc): Call it.
        (emit_call_insn_before_noloc, emit_debug_insn_before_noloc): Likewise.
        (emit_pattern_after_noloc): New function.
        (emit_insn_after_noloc, emit_jump_insn_after_noloc): Call it.
        (emit_call_insn_after_noloc, emit_debug_insn_after_noloc): Likewise.

2011-03-22  Nathan Froyd  <froydnj@codesourcery.com>

        * libgcc2.c (__lshrdi3, __ashldi3, __ashrdi3): Use W_TYPE_SIZE.
        (__ffsDI2): Likewise.

2011-03-22  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (direct_return): Use TARGET_ABI_OSF instead
        of !TARGET_ABI_OPEN_VMS.
        (alpha_trampoline_init, alpha_start_function): Likewise.
        (alpha_expand_epilogue, alpha_file_start): Likewise.
        * config/alpha/alpha.md (divsi3, modsi3): Likewise.
        (udivsi3, umodsi3, divdi3, moddi3, udivdi3, umoddi3): Likewise.
        (*divmodsi_internal_er, *divmodsi_internal_er_1): Likewise.
        (*divmodsi_internal, *divmoddi_internal_er): Likewise.
        (*divmoddi_internal_er_1, *divmoddi_internal): Likewise.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * config/s390/s390-opts.h: New.
        * config/s390/s390.c (s390_tune, s390_tune_flags, s390_arch,
        s390_arch_flags, s390_warn_framesize, s390_stack_size,
        s390_stack_guard): Remove.
        (s390_handle_arch_option): Return void.  Take enum
        s390_arch_option value instead of string and searching array.
        (s390_handle_option): Don't assert that global structures are in
        use.  Access variables via opts pointer.  Use error_at.  Don't use
        sscanf for -mstack-guard= or -mstack-size=.  Update call to
        s390_handle_arch_option.
        (s390_option_override): Update call to s390_handle_arch_option.
        (s390_emit_prologue): Use %d format for s390_stack_size in
        diagnostic.  Use %wd for HOST_WIDE_INT.
        * config/s390/s390.h (enum processor_type): Move to s390-opts.h.
        (s390_tune, s390_tune_flags, s390_arch, s390_arch_flags): Remove.
        * config/s390/s390.opt (config/s390/s390-opts.h): New
        HeaderInclude entry.
        (s390_arch_string, s390_tune, s390_tune_flags, s390_arch,
        s390_arch_flags, s390_warn_framesize): New Variable entries.
        (s390_arch_option): New Enum and EnumValue entries.
        (march=): Use Enum instead of Var.
        (mstack-guard=, mstack-size=): Use UInteger and Var.
        (mtune=): Use Enum.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * config/score/score.c (score_handle_option): Don't assert that
        global structures are in use.  Access target_flags via opts
        pointer.  Use value of -march= option to determine target_flags
        settings.
        * config/score/score.opt (march=): Use Enum.
        (score_arch): New Enum and EnumValue entries.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * config/mep/mep.c (option_mtiny_specified): Remove.
        (mep_option_override): Move register handling for -mivc2 from
        mep_handle_option.  Use global_options_set.x_mep_tiny_cutoff
        instead of option_mtiny_specified.
        (mep_handle_option): Access target_flags via opts pointer.  Don't
        assert that global structures are in use.  Defer part of -mivc2
        handling and move it to mep_option_override.
        * config/mep/mep.opt (IVC2): New Mask entry.
        (mivc2): Use Var and Defer instead of Mask.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * config/v850/v850-opts.h: New.
        * config/v850/v850.c (small_memory): Replace with
        small_memory_physical_max array.  Make that array static const.
        (v850_handle_memory_option): Take integer value of argument.  Take
        gcc_options pointer, option text and location.  Return void.
        Update for changes to small memory structures.
        (v850_handle_option): Access target_flags via opts pointer.  Don't
        assert that global structures are in use.  Update calls to
        v850_handle_memory_option.
        (v850_encode_data_area): Update references to small memory settings.
        * config/v850/v850.h (struct small_memory_info, small_memory): Remove.
        (enum small_memory_type): Move to v850-opts.h.
        * config/v850/v850.opt (config/v850/v850-opts.h): New
        HeaderInclude entry.
        (small_memory_max): New Variable entry.
        (msda): Replace by pair of options msda= and msda-.  Use UInteger.
        (mtda, mzda): Likewise.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * config/sh/sh.c (sh_handle_option): Access target_flags via opts
        pointer.  Don't assert that global structures are in use.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * config/pdp11/pdp11.c (pdp11_handle_option): Access target_flags
        via opts pointer.  Don't assert that global structures are in use.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * config/pa/pa-hpux.opt (flag_pa_unix): New Variable entry.
        (munix=93): Use Var.
        * config/pa/pa-hpux1010.opt (munix=95): Use Var.
        * config/pa/pa-hpux1111.opt (munix=98): Use Var.
        * config/pa/pa-opts.h: New.
        * config/pa/pa.c (pa_cpu, flag_pa_unix): Remove.
        (pa_handle_option): Don't assert that global structures are in
        use.  Access target_flags via opts pointer.  Don't handle
        OPT_mschedule_, OPT_mfixed_range_, OPT_munix_93, OPT_munix_95 or
        OPT_munix_98 here.
        (pa_option_override): Handle deferred OPT_mfixed_range_.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * config/mn10300/mn10300-opts.h: New.
        * config/mn10300/mn10300.c (mn10300_processor,
        mn10300_tune_string): Remove.
        (mn10300_handle_option): Don't assert that global structures are
        in use.  Access mn10300_processor via opts pointer.  Don't handle
        OPT_mtune_ here.
        * config/mn10300/mn10300.h (enum processor_type): Move to
        mn10300-opts.h.
        (mn10300_processor): Remove.
        * config/mn10300/mn10300.opt (config/mn10300/mn10300-opts.h): New
        HeaderInclude entry.
        (mn10300_processor): New Variable entry.
        (mtune=): Use Var.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * config/microblaze/microblaze.c: Don't include opts.h.
        (microblaze_handle_option, TARGET_HANDLE_OPTION): Remove.
        * config/microblaze/microblaze.opt (mxl-stack-check): Use Warn.
        (mno-clearbss): Use Var and Warn.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * config/m32r/m32r-opts.h: New.
        * config/m32r/m32r.c (m32r_model, m32r_sdata): Remove.
        (m32r_handle_option): Don't assert that global structures are in
        use.  Access target_flags and m32r_cache_flush_func via opts
        pointer.  Don't handle OPT_mmodel_, OPT_msdata_ or
        OPT_mno_flush_trap here.
        * config/m32r/m32r.h (Code Models, Small Data Area): Replace by
        include of m32r-opts.h.
        * config/m32r/m32r.opt (config/m32r/m32r-opts.h): New
        HeaderInclude entry.
        (m32r_model_selected, m32r_sdata_selected): New Variable entries.
        (mmodel=): Use Enum and Var.
        (m32r_model): New Enum and EnumValue entries.
        (mno-flush-trap): Use Var.
        (msdata=): Use Enum and Var.
        (m32r_sdata): New Enum and EnumValue entries.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * config/m32c/m32c.c: Don't include opts.h.
        (target_memregs, target_memregs_set, TARGET_HANDLE_OPTION,
        m32c_handle_option): Remove.
        (m32c_option_override): Check global_options_set.x_target_memregs
        instead of target_memregs_set.
        * config/m32c/m32c.h (target_memregs): Remove.
        * config/m32c/m32c.opt (memregs=): Use UInteger with integer
        variable.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * config/iq2000/iq2000-opts.h: New.
        * config/iq2000/iq2000.c: Don't include opts.h.
        (iq2000_tune, iq2000_handle_option, TARGET_HANDLE_OPTION): Remove.
        * config/iq2000/iq2000.h (enum processor_type, iq2000_tune): Remove.
        * config/iq2000/iq2000.opt (config/iq2000/iq2000-opts.h): New
        HeaderInclude entry.
        (iq2000_tune): New Variable entry.
        (march=): Add comment.  Use Enum.
        (iq2000_arch): New Enum and EnumValue entries.
        (mcpu=): Use Enum and Var.
        (iq2000_tune): New Enum and EnumValue entries.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * config/ia64/ia64-opts.h: New.
        * config/ia64/ia64.c (ia64_tune): Remove.
        (ia64_handle_option): Don't handle OPT_mfixed_range_ or OPT_mtune_
        here.  Use error_at.
        (ia64_option_override): Handle deferred OPT_mfixed_range_.
        * config/ia64/ia64.h (enum processor_type, ia64_tune): Remove.
        * config/ia64/ia64.opt (config/ia64/ia64-opts.h): New
        HeaderInclude entry.
        (ia64_tune): New Variable entry.
        (mfixed-range=): Use Defer and Var.
        (mtune=): Use Enum and Var.
        (ia64_tune): New Enum and EnumValue entries.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * config/frv/frv-opts.h: New.
        * config/frv/frv-protos.h (enum frv_cpu, frv_cpu_t): Move to
        frv-opts.h.
        (frv_cpu_type): Remove.
        * config/frv/frv.c: Don't include opts.h.
        (frv_cpu_type, frv_handle_option, TARGET_HANDLE_OPTION): Remove.
        * config/frv/frv.opt (config/frv/frv-opts.h): New HeaderInclude entry.
        (frv_cpu_type): New Variable entry.
        (frv_cpu): New Enum and EnumValue entries.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * config/cris/cris.c (cris_handle_option): Access target_flags via
        opts pointer.  Don't assert that global structures are in use.
        Don't call CRIS_SUBTARGET_HANDLE_OPTION.
        * config/cris/cris.h (CRIS_SUBTARGET_HANDLE_OPTION): Don't define.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * config/bfin/bfin-opts.h: New.
        * config/bfin/bfin.c (bfin_lib_id_given, bfin_cpu_type,
        bfin_si_revision, bfin_workarounds): Remove.
        (bfin_cpus): Make static const.
        (bfin_load_pic_reg): Check global_options_set.x_bfin_library_id
        not bfin_lib_id_given.
        (bfin_handle_option): Don't set bfin_lib_id_given.  Access
        bfin_cpu_type, bfin_si_revision and bfin_workarounds via opts
        pointer. Use error_at.  Don't assert that global structures are in use.
        * config/bfin/bfin.h: Include bfin-opts.h.
        (enum bfin_cpu_type, bfin_cpu_t): Move to bfin-opts.h.
        (bfin_cpu_type, bfin_si_revision, bfin_workarounds): Remove.
        * bfin.opt (config/bfin/bfin-opts.h): New HeaderInclude entry.
        (bfin_cpu_type, bfin_si_revision, bfin_workarounds): New Variable
        entries.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * config/arm/arm.opt (mhard-float, msoft-float): Use Alias.
        * config/arm/arm.c (arm_handle_option): Don't handle -mhard-float
        or -msoft-float here.
        * config/arm/arm.h (CPP_SPEC): Handle -mfloat-abi=*, not
        -msoft-float and -mhard-float.
        (OPTION_DEFAULT_SPECS): Don't handle -mhard-float and -msoft-float.
        * config/arm/coff.h (MULTILIB_DEFAULTS): Use mfloat-abi=soft, not
        msoft-float.
        * config/arm/elf.h (ASM_SPEC): Don't handle -mhard-float and
        -msoft-float.
        (MULTILIB_DEFAULTS): Use mfloat-abi=soft, not msoft-float.
        * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Use mfloat-abi=hard,
        not mhard-float.
        (LIBGCC_SPEC): Don't handle -msoft-float.
        * config/arm/netbsd-elf.h (SUBTARGET_ASM_FLOAT_SPEC): Don't handle
        -mhard-float.
        * config/arm/pe.h (MULTILIB_DEFAULTS): Use mfloat-abi=soft, not
        msoft-float.
        * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Handle
        -mfloat-abi=*, not -msoft-float and -mhard-float.
        * config/arm/semi.h((ASM_SPEC): Don't handle -mhard-float and
        -msoft-float.
        * config/arm/t-arm-elf (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS):
        Use mfloat-abi=hard and mfloat-abi=soft in comments, not
        mhard-float and msoft-float.
        * config/arm/t-linux (MULTILIB_OPTIONS): Use mfloat-abi=hard and
        mfloat-abi=soft in comments, not mhard-float and msoft-float.
        * config/arm/t-rtems (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Use
        mfloat-abi=soft and mfloat-abi=hard, not msoft-float and
        mhard-float.
        * config/arm/t-strongarm-elf (MULTILIB_OPTIONS): Use
        mfloat-abi=hard and mfloat-abi=soft, not mhard-float and
        msoft-float.
        * config/arm/t-wince-pe (MULTILIB_OPTIONS): Use mfloat-abi=hard,
        not mhard-float.
        * config/arm/wince-pe.h (MULTILIB_DEFAULTS): Use mfloat-abi=soft,
        not msoft-float.

2011-03-22  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_expand_prologue): Don't test
        TARGET_ABI_WINDOWS_NT.
        (alpha_output_function_end_prologue): Likewise.
        * config/alpha/alpha.h (TARGET_ABI_OSF): Likewise.
        (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
        * config/alpha/alpha.md (call, call_value, tablejump): Likewise.
        (trap, *movsi_nt_vms): Likewise.
        (call_nt, call_value_nt, *call_nt_1, *call_value_nt_1): Remove.
        (*tablejump_osf_nt_internal): Remove.
        * config/alpha/predicates.md (input_operand): Only test Pmode.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * config/alpha/alpha.c (alpha_handle_option): Access target_flags
        via opts pointer.  Use error_at.  Don't assert that global
        structures are in use.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/i386.c (ix86_isa_flags_explicit): Remove.
        (ix86_handle_option): Access ix86_isa_flags and
        ix86_isa_flags_explicit via opts pointer.  Don't assert that
        global structures are in use.
        (ix86_function_specific_save, ix86_function_specific_restore):
        Update ix86_isa_flags_explicit field name.
        * config/i386/i386.opt (ix86_isa_flags_explicit): New Variable entry.
        (ix86_isa_flags_explicit): Rename TargetSave entry to
        x_ix86_isa_flags_explicit.

2011-03-22  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (NUM_ARGS): Don't test TARGET_ABI_UNICOSMK.
        (alpha_option_override, direct_return): Likewise.
        (alpha_arg_partial_bytes, alpha_setup_incoming_varargs): Likewise.
        (alpha_va_start, alpha_gimplify_va_arg, alpha_sa_mask): Likewise.
        (alpha_sa_size, compute_frame_size, alpha_expand_prologue): Likewise.
        (alpha_start_function, alpha_output_function_end_prologue): Likewise.
        (alpha_expand_epilogue, alpha_end_function): Likewise.
        (alpha_init_libfuncs): Likewise.
        (struct machine_function): Remove unicosmk members.
        (print_operand) ['t']: Remove.
        (unicosmk_must_pass_in_stack, unicosmk_initial_elimination_offset,
        unicosmk_output_module_name, unicosmk_output_common,
        current_section_align, unicosmk_output_text_section_asm_op,
        unicosmk_output_data_section_asm_op, unicosmk_init_sections,
        unicosmk_section_type_flags, unicosmk_unique_section,
        unicosmk_asm_named_section, unicosmk_insert_attributes,
        unicosmk_output_align, unicosmk_defer_case_vector,
        unicosmk_output_addr_vec, unicosmk_output_deferred_case_vectors,
        SSIB_PREFIX, SSIB_PREFIX_LEN, unicosmk_ssib_name, unicosmk_gen_dsib,
        unicosmk_output_ssib, unicosmk_add_call_info_word,
        unicosmk_extern_head, unicosmk_output_default_externs,
        unicosmk_output_externs, unicosmk_add_extern, unicosmk_dex_list,
        unicosmk_dex_count, unicosmk_special_name, unicosmk_need_dex,
        unicosmk_output_dex, unicosmk_file_start, unicosmk_file_end): Remove.
        * config/alpha/alpha-protos.h: Update.
        * config/alpha/alpha.h (TARGET_ABI_OSF): Don't test TARGET_ABI_UNICOSMK.
        * config/alpha/alpha.md (UNSPEC_UMK_LAUM, UNSPEC_UMK_LALM): Remove.
        (UNSPEC_UMK_LAL, UNSPEC_UMK_LOAD_CIW): Remove.
        (mulsi3): Don't test TARGET_ABI_UNICOSMK.
        (*mulsi_se, mulvsi3): Likewise.
        (divsi3, udivsi3, modsi3, umodsi3, divdi3, udivdi3): Likewise.
        (*divmodsi_internal, call, call_value, realign): Likewise.
        (moddi3, umoddi3): Likewise; remove duplicate expander.
        (moddi3_umk, umoddi3_umk, call_umk, call_value_umk): Remove.
        (*call_umk_1, *movsi, umk_laum, umk_lalm, *umk_load_ciw): Remove.
        (*movdi_nofix): Remove r/U alternative.
        (umk_mismatch_args, arg_home_umk, *call_value_umk): Remove.
        * config/alpha/constraints.md ("U"): Remove.
        * config/alpha/predicates.md (call_operand"): Don't test
        TARGET_ABI_UNICOSMK.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * target.def (handle_option): Take gcc_options and
        cl_decoded_option pointers and location_t.
        * doc/tm.texi.in (TARGET_HANDLE_OPTION): Update documentation.
        * doc/tm.texi: Regenerate.
        * hooks.c (hook_bool_size_t_constcharptr_int_true): Remove.
        * hooks.h (hook_bool_size_t_constcharptr_int_true): Don't declare.
        * lto-opts.c (lto_reissue_options): Generate option structure for
        targetm.handle_option call.
        * opts.c (target_handle_option): Update call to
        targetm.handle_option.  Remove assertions about values now passed
        down to hook.
        * targhooks.c (default_target_handle_option): New.
        * targhooks.h (default_target_handle_option): Declare.
        * config/alpha/alpha.c: Include opts.h.
        (alpha_handle_option): Update to new hook interface.
        * config/arm/arm.c: Include opts.h.
        (arm_handle_option): Update to new hook interface.
        * config/arm/t-arm (arm.o): Update dependencies.
        * config/bfin/bfin.c: Include opts.h.
        (bfin_handle_option): Update to new hook interface.
        * config/cris/cris.c: Include opts.h.
        (cris_handle_option): Update to new hook interface.
        * config/frv/frv.c: Include opts.h.
        (frv_handle_option): Update to new hook interface.
        * config/i386/i386.c: Include opts.h.
        (ix86_handle_option): Update to new hook interface.
        (ix86_valid_target_attribute_inner_p): Generate option structure
        for call to ix86_handle_option.
        * config/i386/t-i386 (i386.o): Update dependencies.
        * config/ia64/ia64.c: Include opts.h.
        (ia64_handle_option): Update to new hook interface.
        * config/ia64/t-ia64 (ia64.o): Update dependencies.
        * config/iq2000/iq2000.c: Include opts.h.
        (iq2000_handle_option): Update to new hook interface.
        * config/m32c/m32c.c: Include opts.h.
        (m32c_handle_option): Update to new hook interface.
        * config/m32r/m32r.c: Include opts.h.
        (m32r_handle_option): Update to new hook interface.
        * config/m68k/m68k.c: Include opts.h.
        (m68k_handle_option): Update to new hook interface.
        * config/mep/mep.c: Include opts.h.
        (mep_handle_option): Update to new hook interface.
        * config/microblaze/microblaze.c: Include opts.h.
        (microblaze_handle_option): Update to new hook interface.
        * config/mips/mips.c: Include opts.h.
        (mips_handle_option): Update to new hook interface.
        * config/mn10300/mn10300.c: Include opts.h.
        (mn10300_handle_option): Update to new hook interface.
        * config/pa/pa.c: Include opts.h.
        (pa_handle_option): Update to new hook interface.
        * config/pdp11/pdp11.c: Include opts.h.
        (pdp11_handle_option): Update to new hook interface.
        * config/rs6000/rs6000.c: Include opts.h.
        (rs6000_handle_option): Update to new hook interface.
        * config/rs6000/t-rs6000 (rs6000.o): Update dependencies.
        * config/rx/rx.c: Include opts.h.
        (rx_handle_option): Update to new hook interface.
        * config/s390/s390.c: Include opts.h.
        (s390_handle_option): Update to new hook interface.
        * config/score/score.c: Include opts.h.
        (score_handle_option): Update to new hook interface.
        * config/sh/sh.c: Include opts.h.
        (sh_handle_option): Update to new hook interface.
        * config/sparc/sparc.c: Include opts.h.
        (sparc_handle_option): Update to new hook interface.
        * config/v850/v850.c: Include opts.h.
        (v850_handle_option): Update to new hook interface.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * gcc.c (driver_unknown_option_callback): Only permit and save
        unknown -Wno- options.
        (driver_wrong_lang_callback): Save options directly instead of via
        driver_unknown_option_callback.

2011-03-22  Eric Botcazou  <ebotcazou@adacore.com>

        * combine.c (simplify_set): Try harder to find the best CC mode when
        simplifying a nested COMPARE on the RHS.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

        * config/alpha/gnu.h: Remove.
        * config/arc: Remove directory.
        * config/arm/netbsd.h: Remove.
        * config/arm/t-pe: Remove.
        * config/crx: Remove directory.
        * config/i386/netbsd.h: Remove.
        * config/m68hc11: Remove directory.
        * config/m68k/uclinux-oldabi.h: Remove.
        * config/mcore/mcore-pe.h: Remove.
        * config/mcore/t-mcore-pe: Remove.
        * config/netbsd-aout.h: Remove.
        * config/rs6000/gnu.h: Remove.
        * config/sh/sh-symbian.h: Remove.
        * config/sh/symbian-base.c: Remove.
        * config/sh/symbian-c.c: Remove.
        * config/sh/symbian-cxx.c: Remove.
        * config/sh/symbian-post.h: Remove.
        * config/sh/symbian-pre.h: Remove.
        * config/sh/t-symbian: Remove.
        * config/svr3.h: Remove.
        * config/vax/netbsd.h: Remove.
        * config.build: Don't handle i[34567]86-*-pe.
        * config.gcc: Remove handling of deprecations for most deprecated
        targets.
        (m68k-*-uclinuxoldabi*): Add to second deprecated list.
        (alpha*-*-gnu*, arc-*-elf*, arm*-*-netbsd*, arm-*-pe*, crx-*-elf,
        i[34567]86-*-netbsd*, i[34567]86-*-pe, m68hc11-*-*|m6811-*-*,
        m68hc12-*-*|m6812-*-*, m68k-*-uclinuxoldabi*, mcore-*-pe*,
        powerpc64-*-gnu*, powerpc-*-gnu-gnualtivec*, powerpc-*-gnu*,
        sh-*-symbianelf* | sh[12346l]*-*-symbianelf*, vax-*-netbsd*):
        Remove cases.
        * config.host: Don't handle i[34567]86-*-pe.
        * config/rs6000/linux64.h (LINK_OS_GNU_SPEC): Remove.
        (ASM_SPEC32): Don't handle -mcall-gnu.
        * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Don't handle
        -mcall-gnu.
        (ASM_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC, CPP_SPEC,
        STARTFILE_SPEC, LIB_SPEC, ENDFILE_SPEC): Don't handle -mcall-gnu.
        (LIB_GNU_SPEC, STARTFILE_GNU_SPEC, ENDFILE_GNU_SPEC,
        LINK_START_GNU_SPEC, LINK_OS_GNU_SPEC, CPP_OS_GNU_SPEC): Remove.
        (SUBTARGET_EXTRA_SPECS): Remove *_gnu specs.
        * config/sh/sh-protos.h, config/sh/sh.c: Remove all code
        conditional on SYMBIAN.
        * configure.ac: Don't handle powerpc*-*-gnu*.
        * configure: Regenerate.
        * doc/extend.texi (interrupt attribute): Don't mention CRX.
        * doc/install-old.texi (m6811, m6812): Don't mention.
        * doc/install.texi (arc-*-elf*): Don't document multilib option.
        (arc-*-elf, CRX, m6811-elf, m6812-elf): Remove.
        (m68k-uclinuxoldabi): Don't mention.
        * doc/invoke.texi (ARC Options, CRX Options, M68hc1x Options):
        Remove.
        (-mcall-gnu): Remove.
        * doc/md.texi (CRX Architecture, Motorola 68HC11 & 68HC12
        families): Remove constraint documentation.

2011-03-22  Marius Strobl  <marius@FreeBSD.org>

        * config/sparc/freebsd.h (CPP_CPU64_DEFAULT_SPEC): Replace with...
        (FBSD_TARGET_CPU_CPP_BUILTINS): ...this.
        (TARGET_GNU_TLS, TARGET_SUN_TLS): Define.

2011-03-21  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/avr-protos.h (expand_epilogue): Change prototype
        * config/avr/avr.h (struct machine_function): Add field sibcall_fails.
        * config/avr/avr.c (init_cumulative_args)
        (avr_function_arg_advance): Use it.
        * config/avr/avr.c (expand_epilogue): Add bool parameter. Handle
        sibcall epilogues.
        (TARGET_FUNCTION_OK_FOR_SIBCALL): Define to...
        (avr_function_ok_for_sibcall): ...this new function.
        (avr_lookup_function_attribute1): New static Function.
        (avr_naked_function_p, interrupt_function_p)
        (signal_function_p, avr_OS_task_function_p)
        (avr_OS_main_function_p): Use it.
        * config/avr/avr.md ("sibcall", "sibcall_value")
        ("sibcall_epilogue"): New expander.
        ("*call_insn", "*call_value_insn"): New insn.
        ("call_insn", "call_value_insn"): Remove
        ("call", "call_value", "epilogue"): Change expander to handle
        sibling calls.

2011-03-21  Nick Clifton  <nickc@redhat.com>

        * doc/invoke.texi (Overall Options): Move closing brace to end of
        options list.
        (Optimization Options): Add missing @gol.
        (Directory Options): Likewise.
        (i386 and x86-64 Options): Likewise.
        (RS6000 and PowerPC Options): Likewise.
        (i386 and x86-64 Windows Options): Likewise.
        (V850 Options): Add text missing from descriptions.

2011-03-22  Richard Henderson  <rth@redhat.com>

        * config/avr/avr.c (TARGET_EXCEPT_UNWIND_INFO): New.
        (avr_incoming_return_addr_rtx): New.
        (emit_push_byte): New.
        (expand_prologue): Use it.  Remove incorrect dwarf annotation for
        SREG, RAMPZ, zero register.  Push frame pointer by bytes.  Add dwarf
        annotation for __prologue_saves__.  Fixup dwarf annotation for CFA.
        (emit_pop_byte): New.
        (expand_epilogue): Use it.  Pop frame pointer by bytes.
        * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Remove.
        (INCOMING_RETURN_ADDR_RTX): New.
        (INCOMING_FRAME_SP_OFFSET): New.
        (ARG_POINTER_CFA_OFFSET): New.
        * config/avr/avr.md (*pushqi): Fix mode of auto-inc.
        (*pushhi, *pushsi, *pushsf, popqi): Likewise.
        (pophi): Remove.

        * dwarf2out.c (dwarf2out_frame_debug_expr) [rule 11]: Handle post_dec.

2011-03-22  Nathan Froyd  <froydnj@codesourcery.com>

        * system.h (FUNCTION_ARG, FUNCTION_INCOMING_ARG): Poison.
        (FUNCTION_ARG_ADVANCE): Likewise.
        * tm.texi.in: Change references to them to hook references.
        * tm.texi: Regenerate.
        * targhooks.c (default_function_arg): Eliminate check for target
        macro.
        (default_function_incoming_arg): Likewise.
        (default_function_arg_advance): Likewise.
        * target.def (function_arg, function_incoming_arg): Change to DEFHOOK.
        (function_arg_advance): Likewise.
        * target-def.h: Eliminate FUNCTION_INCOMING_ARG check.

2011-03-22  Nathan Froyd  <froydnj@codesourcery.com>

        * tree.c (build_call_1): New function.
        (build_call_valist, build_call_array_loc, build_call_vec): Call it.

2011-03-22  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/48228
        * tree-vrp.c (vrp_visit_phi_node): Do not stop propagating
        for single-arg PHIs.

2011-03-22  Andrey Belevantsev  <abel@ispras.ru>

        PR rtl-optimization/48143
        * config/i386/sse.md (*sse2_cvtpd2dq): Add athlon_decode attribute.
        (*sse2_cvttpd2dq, sse2_cvtss2sd, *sse2_cvtpd2ps,
        sse2_cvtps2pd): Likewise.

2011-03-22  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * recog.c (canonicalize_change_group): Use validate_unshare_change.

2011-03-22  Richard Guenther  <rguenther@suse.de>

        * gimple.c (gimple_rhs_class_table): POLYNOMIAL_CHREC is not
        a valid RHS.  Make DOT_PROD_EXPR and REALIGN_LOAD_EXPR ternary.
        * tree-cfg.c (verify_gimple_assign_ternary): Allow DOT_PROD_EXPR
        and REALIGN_LOAD_EXPR.
        (verify_gimple_assign_single): Do not allow POLYNOMIAL_CHREC,
        DOT_PROD_EXPR or REALIGN_LOAD_EXPR.
        * expr.c (expand_expr_real_1): Move REALIGN_LOAD_EXPR and
        DOT_PROD_EXPR case ...
        (expand_expr_real_2): ... here.
        * gimple-pretty-print.c (dump_ternary_rhs): Handle DOT_PROD_EXPR
        and REALIGN_LOAD_EXPR.
        * tree-data-ref.c (split_constant_offset): Bail out for all CHRECs.
        * tree-vect-loop.c (vect_model_reduction_cost): Handle ternaries.
        (vect_create_epilog_for_reduction): Likewise.
        (vectorizable_reduction): Likewise.
        * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Adjust.
        * tree-vect-stmts.c (vectorizable_load): Likewise.

2011-03-22  Eric Botcazou  <ebotcazou@adacore.com>

        * gimplify.c (gimplify_cond_expr): Gimplify COMPOUND_EXPR conditions.

2011-03-22  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.c (s390_delegitimize_address): Fix offset
        handling for PLTOFF/GOTOFF.

2011-03-22  Nick Clifton  <nickc@redhat.com>

        * config/i386/cygming.h (SUBTARGET_OVERRIDE_OPTIONS): Remove
        trailing backslash from the end of the macro definition.

2011-03-22  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.c (s390_delegitimize_address): Handle PLTOFF
        and PLT unspecs.

2011-03-21  Richard Sandiford  <richard.sandiford@linaro.org>

        * expr.h (prepare_operand): Move to...
        * optabs.h (prepare_operand): ...here and change the insn code
        parameter from "int" to "enum insn_code".
        (insn_operand_matches): Declare.
        * expr.c (init_expr_target): Use insn_operand_matches.
        (compress_float_constant): Likewise.
        * function.c (safe_insn_predicate, assign_parm_setup_reg): Likewise.
        * optabs.c (can_compare_p, prepare_cmp_insn): Likewise.
        (emit_cmp_and_jump_insn_1, gen_add2_insn, gen_add3_insn): Likewise.
        (have_add2_insn, gen_sub2_insn, gen_sub3_insn, have_sub2_insn):
        Likewise.
        (gen_cond_trap): Likewise.
        (prepare_operand): Likewise.  Change icode to an insn_code.
        (insn_operand_matches): New function.
        * reload.c (find_reloads_address_1): Use insn_operand_matches.
        * reload1.c (gen_reload): Likewise.
        * targhooks.c (default_secondary_reload): Likewise.

2011-03-21  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.md (unspec): New define_c_enum.
        (unspecv): Ditto.

2011-03-21  Uros Bizjak  <ubizjak@gmail.com>

        PR debug/48214
        * config/alpha/alpha.c (alpha_pad_noreturn): Do not emit an unop
        between a call and its CALL_ARG_LOCATION note.

2011-03-21  Eric Botcazou  <ebotcazou@adacore.com>

        * gimplify.c (gimplify_vla_decl): Set TREE_THIS_NOTRAP flag.

2011-03-21  Jakub Jelinek  <jakub@redhat.com>

        PR c/42544
        PR c/48197
        * c-common.c (shorten_compare): If primopN is first sign-extended
        to opN and then zero-extended to result type, set primopN to opN.

2011-03-21  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/arm/unwind-arm.c (__gnu_unwind_pr_common): Correct test
        for barrier handlers.

2011-03-21  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/rs6000.md (UNSPEC_*, UNSPECV_*): Redefine all
        UNSPEC constants to be in the unspec enumeration, and redefine
        all UNSPECV constants to be in the unspecv enumeration, so that
        dumps print which unspec/unspec_volatile this is.
        * config/rs6000/vector.md (UNSPEC_*): Ditto.
        * config/rs6000/paired.md (UNSPEC_*): Ditto.
        * config/rs6000/vsx.md (UNSPEC_*): Ditto.
        * config/rs6000/altivec.md (UNSPEC_*, UNSPECV_*): Ditto.
        * config/rs6000/dfp.md (UNSPEC_*): Ditto.

        * config/rs6000/rs6000.md (UNSPECV_ISYNC, UNSPECV_LWSYNC): Rename
        UNSPEC_ISYNC and UNSPEC_HWSYNC to UNSPECV_ISYNC and
        UNSPECV_LWSYNC, since these are used as unspec_volatile.
        * config/rs6000/sync.md (isync, lwsync): Ditto.

2011-03-21  Richard Guenther  <rguenther@suse.de>

        * params.def (lto-min-partition): Fix typo.

2011-03-21  Richard Guenther  <rguenther@suse.de>

        PR c/47939
        * c-decl.c (grokdeclarator): Drop to the main variant only
        for array types.  Drop flag_gen_aux_info check.

2011-03-21  Richard Guenther  <rguenther@suse.de>

        PR translation/47911
        * params.def (lto-partitions): Fix typo.
        (lto-min-partition): Fix wording.

2011-03-21  Andreas Tobler  <andreast@fgznet.ch>

        * config/rs6000/t-freebsd: Remove duplication from file.

2011-03-21  Richard Guenther  <rguenther@suse.de>

        PR middle-end/47661
        * gimple.c (is_gimple_condexpr): Use tree_could_throw_p.

2011-03-21  Richard Guenther  <rguenther@suse.de>

        PR lto/48210
        * params.def (lto-partitions): Require at least 1 partition.

2011-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * gthr-solaris.h: Remove.
        * gthr.h (_SOLARIS_THREADS): Don't include gthr-solaris.h, remove.
        * config/sol2.h (CPP_SUBTARGET_SPEC): Remove -threads support.
        (LIB_SPEC): Likewise.
        * config/sol2.opt (threads): Remove.
        * config.gcc (i[34567]86-*-solaris2*): Remove solaris threads support.
        (sparc*-*-solaris2*): Likewise.
        * configure.ac (enable_threads): Enable solaris support.
        * configure: Regenerate.
        * doc/invoke.texi (Option Summary, Solaris 2 Options): Remove -threads.
        * doc/install.texi (Configuration, --enable-threads=lib): Remove
        solaris.

2011-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config.gcc: Obsolete *-*-solaris2.8*.
        * doc/install.texi (Specific, *-*-solaris2*): Document it.

2011-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR bootstrap/48135
        * doc/install.texi (Prerequisites, Perl): Remove Glob.pm
        reference.  Solaris 8 perl works.

2011-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR bootstrap/48135
        * doc/install.texi (Prerequisites): Move jar etc. up.
        Explain support library version requirements.

2011-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR bootstrap/48135
        * doc/install.texi (Prerequisites): Move Perl to build
        requirements.  Always necessary on Solaris 2 with Sun ld.

2011-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * doc/install.texi (Specific, alpha*-dec-osf5.1): Update for
        binutils 2.21.
        (Specific, i?86-*-solaris2.[89]): Likewise.
        (Specific, i?86-*-solaris2.10): Likewise.
        (Specific, mips-sgi-irix6): Likewise.
        (Specific, *-*-solaris2*): Remove Sun Studio download URL.
        Update for binutils 2.21.

2011-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac (gcc_cv_lto_plugin): Fix typo.
        Allow -fuse-linker-plugin for non-default plugin linker.
        * configure: Regenerate.

2011-03-21  Nicola Pero  <nicola.pero@meta-innovation.com>

        PR bootstrap/48167
        * gengtype.c (files_rules): Added rule for cp/parser.h.

2011-03-21  Jakub Jelinek  <jakub@redhat.com>

        PR target/48213
        * config/s390/s390.c (s390_delegitimize_address): Don't call
        lowpart_subreg if orig_x has BLKmode.

2011-03-21  Kai Tietz  <ktietz@redhat.com>

        PR target/12171
        * doc/plugins.texi: Adjust documentation for plugin register_callback.
        * tree.h (attribute_spec): Add new member affects_type_identity.
        * attribs.c (empty_attribute_table): Adjust attribute_spec
        initializers.
        * config/alpha/alpha.c: Likewise.
        * config/arc/arc.c: Likewise.
        * config/arm/arm.c: Likewise.
        * config/avr/avr.c: Likewise.
        * config/bfin/bfin.c: Likewise.
        * config/crx/crx.c: Likewise.
        * config/darwin.h: Likewise.
        * config/h8300/h8300.c: Likewise.
        * config/i386/cygming.h: Likewise.
        * config/i386/i386.c: Likewise.
        * config/ia64/ia64.c: Likewise.
        * config/m32c/m32c.c: Likewise.
        * config/m32r/m32r.c: Likewise.
        * config/m68hc11/m68hc11.c: Likewise.
        * config/m68k/m68k.c: Likewise.
        * config/mcore/mcore.c: Likewise.
        * config/mep/mep.c: Likewise.
        * config/microblaze/microblaze.c: Likewise.
        * config/mips/mips.c: Likewise.
        * config/rs6000/rs6000.c: Likewise.
        * config/rx/rx.c: Likewise.
        * config/sh/sh.c: Likewise.
        * config/sol2.h: Likewise.
        * config/sparc/sparc.c: Likewise.
        * config/spu/spu.c: Likewise.
        * config/stormy16/stormy16.c: Likewise.
        * config/v850/v850.c: Likewise.

2011-03-21  Chung-Lin Tang  <cltang@codesourcery.com>

        * simplify-rtx.c (simplify_binary_operation_1): Handle
        (xor (and A B) C) case when B and C are both constants.

2011-03-21  Mingjie Xing  <mingjie.xing@gmail.com>

        * tree-dfa.c (add_referenced_var): Fix typo in comment.

2011-03-20  Eric Botcazou  <ebotcazou@adacore.com>

        PR bootstrap/48168
        * config/sparc/sparc.c (sparc_delegitimize_address): Add new pattern.

2011-03-20  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/48156
        * df-core.c (df_get_bb_dirty): Use df_lr if df_live is NULL,
        assume df and df_lr are not NULL.

2011-03-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

        PR debug/48023
        * config/arm/arm.c (create_fix_barrier): Do not emit a minipool
        between a call and its CALL_ARG_LOCATION note.

2011-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR debug/48178
        * config/sh/sh.c (find_barrier): Don't emit a constant pool
        between a call and its corresponding CALL_ARG_LOCATION note.

2011-03-19  Anatoly Sokolov  <aesok@post.ru>

        * cfgcleanup.c (mark_effect): Use bitmap_set_range/bitmap_clear_range
        instead of loop. Use HARD_REGISTER_NUM_P predicate.
        * haifa-sched.c (setup_ref_regs): Ditto.
        * caller-save.c (add_used_regs_1): Ditto.
        * dse.c (look_for_hardregs): Ditto.
        * df-problems.c (df_simulate_one_insn_forwards): Ditto.
        * sched-rgn.c (check_live_1): Ditto.

2011-03-18  Joseph Myers  <joseph@codesourcery.com>

        * c-decl.c (diagnose_mismatched_decls): Give an error for
        redefining a typedef with variably modified type.

2011-03-18  Joseph Myers  <joseph@codesourcery.com>

        * c-decl.c (grokfield): Don't allow typedefs for structures or
        unions with no tag by default.
        * doc/extend.texi (Unnamed Fields): Update.

2011-03-18  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
        Rewrite using indirect functions.
        (lwp_slwpcb): Ditto.
        * config/i386/sse.md (avx_vextractf128<mode>): Ditto.
        (avx_vinsertf128<mode>): Ditto.

2011-03-18  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.c (s390_delegitimize_address): Handle GOTOFF
        unspecs.

2011-03-18  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.c (s390_chunkify_start): Prevent literal pool
        splitting between a call and its corresponding CALL_ARG_LOCATION note.

2011-03-18  Maxim Kuvyrkov  <maxim@codesourcery.com>

        PR rtl-optimization/48170
        * gcse.c (hoist_code): Remove bogus asserts.

2011-03-18  Georg-Johann Lay  <avr@gjlay.de>

        * ira-color.c (assign_hard_reg): Honor LOCAL_REGNO in cost
        computation for prologue/epilogue.

2011-03-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * Makefile.in (check-consistency): Remove.

2011-03-18  Jakub Jelinek  <jakub@redhat.com>

        PR debug/48176
        * dwarf2out.c (dwarf2out_finish): Call output_aranges even when
        arange_table_in_use is 0, but either text_section_used or
        cold_text_section_used is true.  Don't call it if
        !info_section_emitted.

2011-03-18  Anatoly Sokolov  <aesok@post.ru>

        * config/avr/avr.h (RET_REGISTER, LIBCALL_VALUE,
        FUNCTION_VALUE_REGNO_P): Remove.
        * config/avr/avr-protos.h (avr_ret_register, avr_libcall_value):
        Remove.
        * config/avr/avr.c (avr_ret_register): Make static inline.
        (avr_function_value_regno_p): New function.
        (avr_libcall_value): Make static. Add 'func' argument.
        (avr_function_value): Make static. Rename 'func' argument to
        'fn_decl_or_type', forward it to avr_libcall_value. Call
        avr_ret_register function instead of RET_REGISTER macro.
        (TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P): Define.

2011-03-18  Jason Merrill  <jason@redhat.com>

        PR c++/23372
        * gimplify.c (gimplify_arg): Strip redundant TARGET_EXPR.

2011-03-18  Richard Guenther  <rguenther@suse.de>

        * doc/install.texi (--enable-gold): Remove.
        (--with-plugin-ld): Document.
        * doc/invoke.texi (-fuse-linker-plugin): Clarify.

2011-03-18  Andrew Pinski  <pinskia@gmail.com>

        PR middle-end/47790
        * expr.c (optimize_bitfield_assignment_op): Revamp to work
        again after expansion changes.

2011-03-18  Chung-Lin Tang  <cltang@codesourcery.com>

        * combine.c (try_combine): Do simplification only call of
        subst() on i2 even when i1 is present. Update comments.

2011-03-18  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_delegitimize_address): Handle UNSPEC_SYMOFF
        and UNSPEC_PCREL_SYMOFF.

2011-03-18  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.md: Use define_c_enum for the unspec constant
        definitions.

2011-03-18  Richard Henderson  <rth@redhat.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/48161
        * expr.c (expand_expr_addr_expr_1): Use simplify_gen_binary
        instead of gen_rtx_PLUS if EXPAND_SUM or EXPAND_INITIALIZER.

2011-03-17  H.J. Lu  <hongjiu.lu@intel.com>

        PR middle-end/47725
        * combine.c (cant_combine_insn_p): Don't check zero/sign
        extended hard registers.

2011-03-17  H.J. Lu  <hongjiu.lu@intel.com>

        PR middle-end/47725
        * combine.c (cant_combine_insn_p): Check zero/sign extended
        hard registers.

2011-03-17  Anatoly Sokolov  <aesok@post.ru>

        * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
        * config/v850/v850-protos.h (v850_output_addr_const_extra): Remove.
        * config/v850/v850.c (v850_output_addr_const_extra): Make static.
        Change return type to bool.
        (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.

2011-03-17  Jakub Jelinek  <jakub@redhat.com>

        PR debug/48163
        * var-tracking.c (prepare_call_arguments): If CALL target
        is a non-SYMBOL_REF CONSTANT_P, just add that into the list as
        pc instead of looking it up using cselib_lookup and use
        Pmode for it if x has VOIDmode.
        * dwarf2out.c (gen_subprogram_die): If also both first and
        second CONCAT arguments are VOIDmode, use mode of CONCAT itself.

        PR debug/48163
        * function.c (assign_parms): For data.passed_pointer parms
        use MEM of data.entry_parm instead of data.entry_parm itself
        as DECL_INCOMING_RTL.
        * dwarf2out.c (rtl_for_decl_location): Use DECL_INCOMING_RTL
        also when passed and declared mode is the same, DECL_RTL
        is a MEM with pseudo as address and DECL_INCOMING_RTL is
        a MEM too.

2011-03-16  Jeff Law  <law@redhat.com>

        PR rtl-optimization/37273
        * ira-costs.c (scan_one_insn): Detect constants living in memory and
        handle them like argument loads from stack slots.  Do not double
        count memory for memory constants and argument loads from stack slots.

2011-03-17  H.J. Lu  <hongjiu.lu@intel.com>

        PR debug/48160
        * var-tracking.c (prepare_call_arguments): Check SUBREG.

2011-03-17  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/48171
        * config/i386/i386.opt: Add Save to -mavx and -mfma.

2011-03-17  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/48153
        * dwarf2out.c (mem_loc_descriptor) <case ENTRY_VALUE>: Return NULL
        if dwarf_strict.
        (gen_subprogram_die): Don't add call_site DIEs if dwarf_strict.
        Clear call_arg_locations and call_arg_loc_last always.

        PR middle-end/48152
        * var-tracking.c (prepare_call_arguments): If argument needs to be
        passed by reference, adjust argtype and mode.

2011-03-17  Richard Guenther  <rguenther@suse.de>

        PR middle-end/48134
        * tree-ssa.c (insert_debug_temp_for_var_def): If we propagated
        a value make sure to fold the statement.

2011-03-17  Chung-Lin Tang  <cltang@codesourcery.com>

        PR target/43872
        * config/arm/arm.c (arm_get_frame_offsets): Adjust early
        return condition with !cfun->calls_alloca.

2011-03-17  Richard Guenther  <rguenther@suse.de>

        PR bootstrap/48148
        * lto-cgraph.c (input_overwrite_node): Clear the abstract
        origin for decls in other ltrans units.
        (input_varpool_node): Likewise.

2011-03-17  Richard Guenther  <rguenther@suse.de>

        PR middle-end/48165
        * tree-object-size.c (compute_object_offset): Properly return
        the offset operand of MEM_REFs as sizetype.

2011-03-17  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/48141
        * params.def (PARAM_MAX_DSE_ACTIVE_LOCAL_STORES): New.
        * dse.c: Include params.h.
        (active_local_stores_len): New variable.
        (add_wild_read, dse_step1): Clear it when setting active_local_stores
        to NULL.
        (record_store, check_mem_read_rtx): Decrease it when removing
        from the chain.
        (scan_insn): Likewise.  Increase it when adding to chain, if it
        reaches PARAM_MAX_DSE_ACTIVE_LOCAL_STORES limit, set to 1 and
        set active_local_stores to NULL before the addition.
        * Makefile.in (dse.o): Depend on $(PARAMS_H).

        PR rtl-optimization/48141
        * dse.c (record_store): If no positions are needed in an insn
        that cannot be deleted, at least unchain it from active_local_stores.

2011-03-16  Dodji Seketeli  <dodji@redhat.com>

        PR debug/47510
        * dwarf2out.c (strip_naming_typedef): Factorize out of ...
        (lookup_type_die_strip_naming_typedef): ... here.
        (get_context_die): Use it.
        (gen_typedef_die): Add a DW_AT_{,MIPS_}linkage_name attribute to
        the anonymous struct named by the naming typedef.

2011-03-16  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/48154
        * config/i386/i386.c (ix86_builtin_vectorized_function): Check
        TARGET_ROUND for BUILT_IN_{FLOOR,CEIL,TRUNC,RINT}{,F} builtins.

2011-03-16  Jeff Law  <law@redhat.com>

        * tree-vrp.c (identify_jump_threads): Slightly simplify type
        check for operands of conditional.  Allow type to be a pointer.

2011-03-16  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/48149
        * fold-const.c (fold_binary_loc): Fold
        COMPLEX_EXPR <REALPART_EXPR <x>, IMAGPART_EXPR <x>>.

2011-03-16  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/26134
        * tree-ssa.c (maybe_rewrite_mem_ref_base): Handle rewriting
        complex part accesses to REALPART_EXPR and IMAGPART_EXPR.
        (non_rewritable_mem_ref_base): Handle complex type component
        accesses, constrain offsets for vector and complex extracts
        more properly.

2011-03-16  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/48146
        * tree-ssa-sink.c (sink_code_in_bb): Manually update virtual
        operands avoiding the need for renaming.

2011-03-16  Richard Guenther  <rguenther@suse.de>

        * gimple-fold.c (maybe_fold_reference): Open-code relevant
        constant folding.  Move MEM_REF canonicalization first.
        Rely on fold_const_aggregate_ref for initializer folding.
        * tree-ssa-ccp.c (ccp_fold): Handle constant vector extracts.

2011-03-16  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/48136
        * fold-const.c (fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Make sure
        arg0/arg1 or their arguments are always fold converted to matching
        types.

        * var-tracking.c (prepare_call_arguments): Add ATTRIBUTE_UNUSED
        to nargs.

2011-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR lto/46944
        * configure.ac (gcc_cv_gld_major_version, gcc_cv_gld_minor):
        Handle in-tree gold.
        (ld_vers): Extract binutils version for gold.
        (gcc_cv_ld_hidden): Handle gold here.
        (gcc_cv_lto_plugin): Determine level of linker plugin support.
        * configure: Regenerate.
        * config.in: Regenerate.
        * gcc.c: Only use LTO plugin if HAVE_LTO_PLUGIN > 0, reject
        -fuse-linker-plugin otherwise.
        (LINK_PLUGIN_SPEC): Define.  Extract from LINK_COMMAND_SPEC.
        (LINK_COMMAND_SPEC): Use it.
        (main): Only look for LTOPLUGINSONAME if HAVE_LTO_PLUGIN > 0.

2011-03-16  Jakub Jelinek  <jakub@redhat.com>

        * emit-rtl.c (try_split): Don't call copy_call_info debug hook.
        * calls.c: Remove debug.h include.
        (emit_call_1): Don't call virtual_call_token debug hook.
        * dwarf2out.c (debug_dcall_section, debug_vcall_section,
        dcall_entry, vcall_entry, dcall_table, vcall_table, vcall_insn,
        vcall_insn_table, DEBUG_DCALL_SECTION, DEBUG_VCALL_SECTION,
        size_of_dcall_table, output_dcall_table, size_of_vcall_table,
        output_vcall_table, dwarf2out_direct_call, vcall_insn_table_hash,
        vcall_insn_table_eq, store_vcall_insn, lookup_vcall_insn,
        dwarf2out_virtual_call_token, dwarf2out_copy_call_info,
        dwarf2out_virtual_call): Remove.
        (dwarf2_debug_hooks): Remove direct_call, virtual_call_token,
        copy_call_info and virtual_call hooks.
        (dwarf2out_init): Don't initialize vcall_insn_table,
        debug_dcall_section and debug_vcall_section.
        (prune_unused_types): Don't mark nodes from dcall_table.
        (dwarf2out_finish): Don't output dcall or vcall tables.
        * final.c (final_scan_insn): Don't call direct_call or
        virtual_call debug hooks.
        * debug.h (struct gcc_debug_hooks): Remove direct_call,
        virtual_call_token, copy_call_info and virtual_call hooks.
        (debug_nothing_uid): Remove prototype.
        * sdbout.c (sdb_debug_hooks): Remove direct_call, virtual_call_token,
        copy_call_info and virtual_call hooks.
        * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
        * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Likewise.
        * debug.c (do_nothing_debug_hooks): Likewise.
        (debug_nothing_uid): Remove.
        * doc/invoke.texi (-fenable-icf-debug): Remove.
        * common.opt (-fenable-icf-debug): Likewise.

        * calls.c (emit_call_1): Set MEM_EXPR on call's MEM.
        * var-tracking.c (prepare_call_arguments): Use MEM_EXPR on
        call's MEM.  Handle functions returning aggregate through a hidden
        first pointer.  For virtual calls add clobbered pc to call arguments
        chain.
        * dwarf2out.c (gen_subprogram_die): Emit
        DW_AT_GNU_call_site_target_clobbered if DW_AT_GNU_call_site_target
        can't be emitted.

        PR debug/45882
        * rtl.def (ENTRY_VALUE): Change format from "e" to "0".
        * rtl.h (ENTRY_VALUE_EXP): Define.
        * rtl.c (rtx_equal_p_cb, rtx_equal_p): Handle ENTRY_VALUE.
        * cselib.c (rtx_equal_for_cselib_p, cselib_hash_rtx): Likewise.
        * print-rtl.c (print_rtx): Likewise.
        * gengtype.c (adjust_field_rtx_def): Likewise.
        * var-tracking.c (vt_add_function_parameter): Adjust
        gen_rtx_ENTRY_VALUE uses, use ENTRY_VALUE_EXP macro.
        * dwarf2out.c (mem_loc_descriptor): Use ENTRY_VALUE_EXP macro.
        * cfgexpand.c (expand_debug_expr): If a SSA_NAME without
        partition is a default definition of a PARM_DECL, use ENTRY_VALUE
        of its DECL_INCOMING_RTL if possible, or its DECL_RTL if set.

        * final.c (final_scan_insn): Handle NOTE_INSN_CALL_ARG_LOCATION.
        Call var_location debug hook even on CALL_INSNs.
        (rest_of_clean_state): Don't print NOTE_INSN_CALL_ARG_LOCATION.
        * rtl.def (ENTRY_VALUE): New.
        * dwarf2out.c: Include cfglayout.h.
        (dwarf_stack_op_name, size_of_loc_descr, output_loc_operands,
        output_loc_operands_raw): Handle DW_OP_GNU_entry_value.
        (struct call_arg_loc_node): New type.
        (call_arg_locations, call_arg_loc_last, block_map, call_site_count,
        tail_call_site_count): New variables.
        (dwarf_tag_name): Handle DW_TAG_GNU_call_site and
        DW_TAG_GNU_call_site_parameter.
        (dwarf_attr_name): Handle DW_AT_GNU_call_site_value,
        DW_AT_GNU_call_site_data_value, DW_AT_GNU_call_site_target,
        DW_AT_GNU_call_site_target_clobbered, DW_AT_GNU_tail_call,
        DW_AT_GNU_all_tail_call_sites, DW_AT_GNU_all_call_sites
        and DW_AT_GNU_all_source_call_sites.
        (mem_loc_descriptor): Handle ENTRY_VALUE.
        (add_src_coords_attributes): Don't add enything if
        DECL_SOURCE_LOCATION is UNKNOWN_LOCATION.
        (dwarf2out_abstract_function): Save and clear call_arg_location,
        call_site_count and tail_call_site_count around dwarf2out_decl call.
        (gen_call_site_die): New function.
        (gen_subprogram_die): Emit DW_TAG_GNU_call_site DIEs for call sites.
        (gen_lexical_block_die, gen_inlined_subroutine_die): Update block_map.
        (dwarf2out_function_decl): Clear call_arg_locations,
        call_arg_loc_last, set call_site_count and tail_call_site_count
        to -1 and free block_map.
        (dwarf2out_var_location): Handle NOTE_INSN_CALL_ARG_LOCATION and
        CALL_INSNs.  Add NOTE_DURING_CALL_P var location notes even when not
        followed by any real instructions.
        (dwarf2out_begin_function): Set call_site_count and
        tail_call_site_count to 0.
        (resolve_addr): If DW_AT_abstract_origin of DW_TAG_GNU_call_site
        is dw_val_class_addr, attempt to look it up again, for DECL_EXTERNAL
        attempt to force a DIE for it and worst case remove the attribute.
        (resolve_one_addr): For TREE_CONSTANT_POOL_ADDRESS_P SYMBOL_REFs
        check TREE_ASM_WRITTEN of DECL_INITIAL of the decl instead of
        the decl itself.
        * var-tracking.c: Include tm_p.h.
        (vt_stack_adjustments): For calls call note_register_arguments.
        (argument_reg_set): New variable.
        (add_stores): For MO_VAL_SET of non-tracked regs from argument_reg_set
        ensure the VALUE is resolved.
        (call_arguments): New variable.
        (prepare_call_arguments): New function.
        (add_with_sets): For MO_CALL set u.loc from call_arguments and clear it.
        (struct expand_loc_callback_data): Add ignore_cur_loc field.
        (vt_expand_loc_callback): If ignore_cur_loc, don't look at cur_loc and
        always use the best expression.
        (vt_expand_loc): Add ignore_cur_loc argument.
        (vt_expand_loc_dummy): Clear ignore_cur_loc field.
        (emit_note_insn_var_location): Adjust vt_expand_loc callers.
        (emit_notes_in_bb) <case MO_CALL>: Add NOTE_INSN_CALL_ARG_LOCATION
        note for all calls.
        (vt_add_function_parameter): Use cselib_lookup_from_insn.
        If dv is a VALUE, enter into hash table also ENTRY_VALUE for the
        argument.  Don't call cselib_preserve_only_values and
        cselib_reset_table.
        (note_register_arguments): New function.
        (vt_initialize): Compute argument_reg_set.  Call
        vt_add_function_parameters before processing basic blocks instead of
        afterwards.  For calls call prepare_call_arguments before calling
        cselib_process_insn.
        * print-rtl.c (print_rtx): Handle NOTE_INSN_CALL_ARG_LOCATION.
        * Makefile.in (dwarf2out.o): Depend on $(CFGLAYOUT_H).
        (var-tracking.o): Depend on $(TM_P_H).
        * cfglayout.h (insn_scope): New prototype.
        * gengtype.c (adjust_field_rtx_def): Handle NOTE_INSN_CALL_ARG_LOCATION.
        * cfglayout.c (insn_scope): No longer static.
        * insn-notes.def (CALL_ARG_LOCATION): New.
        * calls.c (expand_call, emit_library_call_value_1): Put USEs for
        MEM arguments into CALL_INSN_FUNCTION_USAGE unconditionally.
        * integrate.c (set_block_origin_self, set_block_abstract_flags): Do
        nothing for DECL_EXTERNAL BLOCK_VARS.

2011-03-16  Alan Modra  <amodra@gmail.com>

        PR target/45844
        * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
        create invalid offset address for vsx splat insn.
        * config/rs6000/predicates.md (splat_input_operand): New.
        * config/rs6000/vsx.md (vsx_splat_*): Use it.

2011-03-15  Xinliang David Li  <davidxl@google.com>

        PR c/47837
        * tree-ssa-uninit.c (pred_chain_length_cmp): New function.
        (normalize_preds): New function.
        (is_use_properly_guarded): Normalize def predicates.

2011-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

        PR target/46788
        * config/arm/arm.md (arm_movtas_ze): Use 'L' instead of 'c'
        in the output template.

2011-03-15  Richard Guenther  <rguenther@suse.de>

        PR middle-end/47650
        * tree-pretty-print.c (dump_function_declaration): Properly
        dump unprototyped and varargs function types.

2011-03-15  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/13954
        * tree-ssa-sccvn.c (vn_reference_lookup_3): Look through memcpy
        and friends.

2011-03-15  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/48037
        * tree-ssa.c (maybe_rewrite_mem_ref_base): Rewrite vector
        selects into BIT_FIELD_REFs.
        (non_rewritable_mem_ref_base): Check if a MEM_REF is a
        vector select.

2011-03-15  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/48129
        * builtins.c (fold_builtin_snprintf): Convert to type of
        built_in_decls[BUILT_IN_SNPRINTF] retval instead of
        implicit_built_in_decls[BUILT_IN_SNPRINTF] retval.

2011-03-15  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/41490
        * tree-ssa-dce.c (propagate_necessity): Handle returns without
        value but with VUSE.
        * tree-ssa-operands.c (parse_ssa_operands): Add a VUSE on all
        return statements.
        * tree-ssa-sink.c (statement_sink_location): Fix store sinking.
        * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Handle virtual PHIs.
        * tree-tailcall.c (find_tail_calls): Ignore returns.

2011-03-15  Richard Guenther  <rguenther@suse.de>

        PR middle-end/48031
        * fold-const.c (fold_indirect_ref_1): Do not create new variable-sized
        or variable-indexed array accesses when in gimple form.

2011-03-15  Richard Guenther  <rguenther@suse.de>

        * config/i386/i386.c (ix86_emit_swdivsf): Implement more efficiently.

2011-03-15  Alan Modra  <amodra@gmail.com>

        PR target/48032
        * config/rs6000/rs6000.c (offsettable_ok_by_alignment): Do not
        presume symbol_refs without a symbol_ref_decl are suitably
        aligned, nor other trees we may see here.  Handle anchor symbols.
        (legitimate_constant_pool_address_p): Comment.  Add mode param.
        Check cmodel=medium addresses.  Adjust all calls.
        (rs6000_emit_move): Don't call offsettable_ok_by_alignment on
        creating cmodel=medium optimized access to locals.
        * config/rs6000/constraints.md (R): Pass QImode to
        legitimate_constant_pool_address_p.
        * config/rs6000/predicates.md (input_operand): Pass mode to
        legitimate_constant_pool_address_p.
        * config/rs6000/rs6000-protos.h (legitimate_constant_pool_address_p):
        Update prototype.

2011-03-14  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/48053
        * config/rs6000/rs6000.md (movdi split for 32-bit): Don't split up
        64-bit constants being loaded into registers other than GPRs such
        as loading 0 into a VSX register.

2011-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/sol2.c (solaris_assemble_visibility): Remove obsolete URLs.

2011-03-14  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/47917
        * builtins.c (fold_builtin_snprintf): New function.
        (fold_builtin_3): Call it for BUILT_IN_SNPRINTF.
        (fold_builtin_4): Likewise.

        PR middle-end/38878
        * fold-const.c (fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Add
        STRIP_NOPS on arg0 and arg1.  When optimizing X +- C == X
        and C - X == X also strip nops from +/-/p+ operand.
        When optimizing -X == C, fold C to arg0's type.

        PR debug/47946
        * dwarf2out.c (add_bit_offset_attribute): If bit_offset is negative,
        emit it as add_AT_int instead of add_AT_unsigned.

2011-03-14  Tom Tromey  <tromey@redhat.com>

        * unwind-dw2.c: Include sys/sdt.h if it exists.
        (_Unwind_DebugHook): Use STAP_PROBE2.
        * config.in, configure: Rebuild.
        * configure.ac: Check for sys/sdt.h.

2011-03-14  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (ROUND_FLOOR): New constant.
        (ROUND_CEIL): Ditto.
        (ROUND_TRUNC): Ditto.
        (ROUND_MXCSR): Ditto.
        (ROUND_NO_EXC): Ditto.
        (rint<mode>2): Use new defines instead of numerical constants.
        (floor<mode>2): Ditto.
        (ceil<mode>2): Ditto.
        (btrunc<mode>2): Ditto.
        * config/i386/i386-builtin-types.def: Define ROUND function type
        aliases.
        * config/i386/i386.c (enum ix86_builtins): Add
        IX86_BUILTIN_{FLOOR,CEIL,TRUNC,RINT}{PS,PD}{,256} defines.
        (struct builtin_description): Add
        __builtin_ia32_{floor,ceil,trunc,rint}{pd,ps}{,256} descriptions.
        (ix86_expand_sse_round): New static function.
        (ix86_expand_args_builtin): Call ix86_expand_sse_round for ROUND
        function types.
        (ix86_builtin_vectorized_function): Handle
        BUILT_IN_{FLOOR,CEIL,TRUNC,RINT}{,F} builtins.

2011-03-14  Tom Tromey  <tromey@redhat.com>

        * c-parser.c (c_parser_asm_string_literal): Clear
        warn_overlength_strings.

2011-03-14  Tom Tromey  <tromey@redhat.com>

        * c-parser.c (disable_extension_diagnostics): Save
        warn_overlength_strings.
        (restore_extension_diagnostics): Restore warn_overlength_strings.

2011-03-14  Jakub Jelinek  <jakub@redhat.com>

        * BASE-VER: Change to 4.7.0.

2011-03-14  Richard Guenther  <rguenther@suse.de>

        PR middle-end/48098
        * tree.c (build_vector_from_val): Adjust assert to requirements
        and reality.

2011-03-14  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/48102
        * graphite-cloog-compat.h (build_cloog_prog): Remove STATE parameter.

2011-03-14  Andreas Tobler  <andreast@fgznet.ch>

        * config/rs6000/freebsd.h: (RELOCATABLE_NEEDS_FIXUP): Define in
        terms of target_flags_explicit. Adjust copyright year.

        * config.gcc: Add FreeBSD PowerPC soft-float libgcc bits.
        * config/rs6000/t-freebsd: New file. Add override for
        LIB2FUNCS_EXTRA.

2011-03-13  Chris Demetriou  <cgd@google.com>

        * doc/invoke.texi (-fdiagnostics-show-option): Replace with...
        (-fno-diagnostics-show-option): this, to reflect current default.
        (-Werror=): Update text about -fno-diagnostics-show-option.

2011-03-12  Peter Bergner  <bergner@vnet.ibm.com>

        PR target/48053
        * config/rs6000/predicates.md (easy_vector_constant_add_self,
        easy_vector_constant_msb): Do not handle V2DImode and V2DFmode.
        * config/rs6000/rs6000.c (const_vector_elt_as_int): Add assert that
        mode is not V2DImode or V2DFmode.
        (vspltis_constant): Do not handle V2DImode and V2DFmode.
        (rs6000_expand_vector_init): Replace copy_to_reg with copy_to_mode_reg.
        * config/rs6000/rs6000.md (movdi_internal32): Allow setting VSX
        registers to 0.
        (movdi_internal64): Likewise.

2011-03-12  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/47127
        * graphite-clast-to-gimple.c (build_cloog_prog): Removed state
        parameter.
        (set_cloog_options): Same.
        (scop_to_clast): Same.
        (print_clast_stmt): Do not call cloog_state_malloc and
        cloog_state_free.
        (print_generated_program): Same.
        (gloog): Same.
        * graphite-clast-to-gimple.h (cloog_state): Declared.
        (scop_to_clast): Adjust declaration.
        * graphite.c (cloog_state): Defined here.
        (graphite_initialize): Call cloog_state_malloc.
        (graphite_finalize): Call cloog_state_free.

2011-03-11  Jason Merrill  <jason@redhat.com>

        * attribs.c (lookup_attribute_spec): Take const_tree.
        * tree.h: Adjust.

2011-03-11  Joseph Myers  <joseph@codesourcery.com>

        * config/sparc/sparc.c (sparc_option_override): Use
        PROCESSOR_NIAGARA2 not PROCESSOR_NIAGARA for "niagara2".

2011-03-11  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/48067
        * tree-ssa-math-opts.c (convert_mult_to_fma): Verify the
        multiplication result will be only used once on the target
        stmt.

2011-03-11  Richard Guenther  <rguenther@suse.de>

        * doc/invoke.texi (max-inline-insns-single): Adjust default value.

2011-03-11  Richard Guenther  <rguenther@suse.de>

        PR lto/48073
        * tree.c (find_decls_types_r): Do not walk types only reachable
        from IDENTIFIER_NODEs.

2011-03-11  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/48044
        * ipa.c (cgraph_remove_unreachable_nodes): Enqueue
        all vnode->force_output nodes as needed.

2011-03-11  Jason Merrill  <jason@redhat.com>

        PR c++/48069
        * tree.c (type_hash_eq): Use COMPLETE_TYPE_P, not
        COMPLETE_OR_UNBOUND_ARRAY_TYPE_P.

2011-03-11  Martin Jambor  <mjambor@suse.cz>

        * cgraphunit.c (verify_cgraph_node): Call cgraph_get_node instead of
        cgraph_node.

2011-03-11  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/48063
        * ipa-inline.c (cgraph_decide_inlining): Don't try to
        inline functions called once if !tree_can_inline_p (node->callers).

2011-03-11  Chen Liqin  <liqin.gcc@gmail.com>

        * config.gcc (score-*-elf): Add extra_parts .., update tmake_file and
        extra_objs.
        * config/score/score3.c: Delete.
        * config/score/score3.h: Delete.
        * config/score/mul-div.S: Delete.
        * config/score/sfp-machine.h: Add new file.
        * config/score/constraints.md: Add new file.
        * config/score/t-score-softfp: Add new file.
        * config/score/t-score-elf: Remove score3.o, do not generate multilib.
        * config/score/score7.c (score7_const_ok_for_letter_p): Delete.
        (score7_extra_constraint): Delete.
        (score7_option_override): Remove unused code.
        * config/score/score.c: Remove score3 and score5 define and code.
        * config/score/score.h: Remove score3 and score5 define and code.
        * config/score/score.md: Remove score3 template and unusual insn.
        * config/score/score.opt: Remove score3 and score5 options.

2011-03-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * config/pa/pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Define _REENTRANT
        when _HPUX_SOURCE is defined.
        (LIB_SPEC): Use -lc instead of -lc_r when -threads is specified.

2011-03-10  Jason Merrill  <jason@redhat.com>

        PR c++/48029
        * stor-layout.c (layout_type): Don't set structural equality
        on arrays of incomplete type.
        * tree.c (type_hash_eq): Handle comparing them properly.

2011-03-10  Jakub Jelinek  <jakub@redhat.com>

        PR debug/48043
        * config/s390/s390.c (s390_delegitimize_address): Make sure the
        result mode matches original rtl mode.

2011-03-10  Nick Clifton  <nickc@redhat.com>

        * config/rx/rx.md (bitset_in_memory, bitclr_in_memory: Fix timings.
        (andsi3, andsi3_flags): Fix timings for three operand alternative.

2011-03-09  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/47866
        * expr.c (store_field): If MEM_SCALAR_P (target), don't use
        MEM_SET_IN_STRUCT_P (to_rtx, 1), just set MEM_IN_STRUCT_P (to_rtx)
        if target wasn't scalar.
        * function.c (assign_stack_temp_for_type): Assert that neither
        MEM_SCALAR_P nor MEM_IN_STRUCT_P is set previously, set either
        MEM_IN_STRUCT_P or MEM_SCALAR_P instead of using MEM_SET_IN_STRUCT_P
        macro.
        * rtl.h (MEM_SET_IN_STRUCT_P): Removed.

2011-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390-protos.h (s390_label_align): New prototype.
        * config/s390/s390.c (s390_label_align): New function.
        * config/s390/s390.h (LABEL_ALIGN): New target macro definition.

2011-03-08  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/47755
        * config/rs6000/rs6000.c (easy_altivec_constant): Correctly handle
        V2DI/V2DF constants.  Only all 0's or all 1's are easy.
        (output_vec_const_move): Ditto.

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

        * config/mips/mips.h (PREFERRED_RELOAD_CLASS): Remove macro.
        * config/mips/mips-protos.h (mips_preferred_reload_class): Remove.
        * config/mips/mips.c (mips_preferred_reload_class): Make static.
        Change 'rclass' argument and result type to reg_class_t.
        (TARGET_PREFERRED_RELOAD_CLASS): Define.

2011-03-08  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/avr.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
        * config/avr/avr.c (TARGET_REGISTER_MOVE_COST)
        (TARGET_MEMORY_MOVE_COST): Define.
        (avr_register_move_cost, avr_memory_move_cost): New Functions.

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

        PR debug/47881
        * ira.c (ira): Call df_analyze again if delete_trivially_dead_insns
        removed anything.

        PR tree-optimization/48022
        * fold-const.c (fold_comparison): Don't call fold_overflow_warning
        for EQ/NE_EXPR.

2011-03-07  Jakub Jelinek  <jakub@redhat.com>

        PR debug/47991
        * var-tracking.c (find_use_val): Return NULL for
        cui->sets && cui->store_p BLKmode MEMs.

2011-03-07  Anatoly Sokolov  <aesok@post.ru>

        * config/stormy16/stormy16.h (PRINT_OPERAND, PRINT_OPERAND_ADDRESS):
        Remove.
        * config/stormy16/stormy16-protos.h (xstormy16_print_operand,
        xstormy16_print_operand_address): Remove.
        * config/stormy16/stormy16.c (xstormy16_print_operand,
        xstormy16_print_operand_address): Make static.
        (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS): Define.

2011-03-07  Pat Haugen  <pthaugen@us.ibm.com>

        PR target/47862
        * config/rs6000/rs6000.h (HARD_REGNO_CALLER_SAVE_MODE): Define.
        * config/rs6000/e500.h (HARD_REGNO_CALLER_SAVE_MODE): Undefine
        before definition.

2011-03-07  Zdenek Dvorak  <ook@ucw.cz>

        PR bootstrap/48000
        * cfgloopmanip.c (fix_bb_placements): Return immediately
        if FROM is BASE_LOOP's header.

2011-03-07  Paul Wögerer  <paul_woegerer@mentor.com>

        * gimplify.c (gimplify_function_tree): Fix building calls
        to __builtin_return_address.

2011-03-07  Alan Modra  <amodra@gmail.com>

        * config/rs6000/linux.h (TARGET_ASM_FILE_END): Don't define.
        * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Don't define.
        * config/rs6000/sysv4.h (TARGET_ASM_FILE_END): Define.
        * config/rs6000/rs6000-protos.h (init_cumulative_args): Add fndecl and
        return_mode args.
        * config/rs6000/rs6000.h (CUMULATIVE_ARGS): Add "escapes".
        (INIT_CUMULATIVE_ARGS): Pass FNDECL, VOIDmode.
        (INIT_CUMULATIVE_INCOMING_ARGS): Pass current_function_decl, VOIDmode.
        (INIT_CUMULATIVE_LIBCALL_ARGS): Pass NULL_TREE, MODE.
        * config/rs6000/rs6000.c
        (rs6000_elf_end_indicate_exec_stack): Rename to..
        (rs6000_elf_file_end): ..this.  Only call file_end_indicate_exec_stack
        for POWERPC_LINUX.  Move code emitting .gnu_attribute to here, from..
        (rs6000_file_start): ..here.
        (rs6000_passes_float, rs6000_passes_vector, rs6000_returns_struct): New
        file scope variables.
        (call_ABI_of_interest): New function.
        (init_cumulative_args): Set above vars when function return value
        is a float, vector, or small struct.
        (rs6000_function_arg_advance_1): Likewise for function args.
        (rs6000_va_start): Set rs6000_passes_float if variable arg function
        references float args.

2011-03-07  Mingjie Xing  <mingjie.xing@gmail.com>

        * doc/cfg.texi: Remove "See" before @ref.
        * doc/invoke.texi: Likewise.

2011-03-05  Jason Merrill  <jason@redhat.com>

        * doc/invoke.texi (C++ Dialect Options): Document ABI v5.

2011-03-05  Anthony Green  <green@moxielogic.com>

        * config.gcc (moxie-*-elf): Add newlib-stdint.h to tmfile.

2011-03-05  Zdenek Dvorak  <ook@ucw.cz>

        PR rtl-optimization/47899
        * cfgloopmanip.c (fix_bb_placements): Fix first argument
        to flow_loop_nested_p when moving the loop upward.

2011-03-05  Richard Earnshaw  <rearnsha@arm.com>

        PR target/47719
        * arm.md (movhi_insn_arch4):  Accept any immediate constant.

2011-03-05  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/47967
        * ipa-cp.c (build_const_val): Return NULL instead of creating
        VIEW_CONVERT_EXPR for mismatching sizes.
        (ipcp_create_replace_map): Return NULL if build_const_val failed.
        (ipcp_insert_stage): If ipcp_create_replace_map returns NULL,
        give up on versioning.

2011-03-05  Alan Modra  <amodra@gmail.com>

        PR target/47986
        * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
        full cmodel medium/large lo_sum + high addresses.

2011-03-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.c (s390_decompose_address): Reject non-literal
        pool references in UNSPEC_LTREL_OFFSET.

2011-03-04  Jan Hubicka  <jh@suse.cz>

        PR lto/47497
        * lto-symtab.c (lto_cgraph_replace_node): Do not set thunk.alias.
        (lto_symtab_merge_cgraph_nodes_1): Update thunk.alias pointers here.
        * cgraph.h (cgraph_same_body_alias, cgraph_add_thunk):
        Add node pointers.
        * cgraph.c (cgraph_same_body_alias_1, cgraph_same_body_alias,
        cgraph_add_thunk): Add node pointers.
        * lto-cgraph.c (lto_output_node): Verify that thunks&aliases are
        associated to right node.
        (input_node): Update use of cgraph_same_body_alias
        and cgraph_add_thunk.

2011-03-04  Changpeng Fang  <changpeng.fang@amd.com>

        * config/i386/i386.opt (mprefer-avx128): New flag.
        * config/i386/i386.c (ix86_preferred_simd_mode): Prefer 128-bit AVX
        modes when the flag -mprefer-avx128 is on.

2011-03-04  Richard Sandiford  <richard.sandiford@linaro.org>

        * dwarf2out.c (compare_loc_operands): Fix address handling.

2011-03-04  Alan Modra  <amodra@gmail.com>

        * tree.h (TREE_ADDRESSABLE): Update FUNCTION_DECL comment.

2011-03-04  Richard Guenther  <rguenther@suse.de>

        PR middle-end/47968
        * expmed.c (extract_bit_field_1): Prefer vector modes that
        vec_extract patterns can handle.

2011-03-04  Richard Guenther  <rguenther@suse.de>

        PR middle-end/47975
        * optabs.c (optab_for_tree_code): Do not use VECTOR_MODE_P.

2011-03-04  Richard Henderson  <rth@redhat.com>

        * explow.c (emit_stack_save): Remove 'after' parameter.
        (emit_stack_restore): Likewise.
        * expr.h: Update to match.
        * builtins.c, calls.c, stmt.c: Likewise.
        * config/alpha/alpha.md, config/avr/avr.md: Likewise.
        * config/mips/mips.md, config/pa/pa.md, config/vax/vax.md: Likewise.
        * function.c (expand_function_end): Insert the emit_stack_save
        sequence before parm_birth_insn instead of after.

2011-03-03  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (*avx_pmaddubsw128): Fix mode of VEC_SELECT RTX.
        (ssse3_pmaddubsw128): Ditto.
        (ssse3_pmaddubsw): Ditto.

2011-03-03  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/t-hpux: Add $(srcdir)/unwind-c.c to LIB2ADDEH

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

        PR c/47963
        * gimplify.c (omp_add_variable): Only call omp_notice_variable
        on TYPE_SIZE_UNIT if it is a DECL.

        PR debug/47283
        * cfgexpand.c (expand_debug_expr) <case MEM_REF>: If MEM_REF
        first operand is not is_gimple_mem_ref_addr, try to fold it.
        If the operand still isn't is_gimple_mem_ref_addr, clear
        MEM_EXPR on op0.

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

        PR middle-end/47283
        * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Make code
        match comment.
        (refs_may_alias_p_1): For release branches return true if
        we are confused by our input.

2011-03-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.c (s390_function_value): Rename to ...
        (s390_function_and_libcall_value): ... this.
        (s390_function_value): New function.
        (s390_libcall_value): New function.
        (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Define target hooks.
        * config/s390/s390.h (FUNCTION_VALUE, LIBCALL_VALUE): Remove
        target macro definitions.
        * config/s390/s390-protos.h (s390_function_value): Remove prototype.

2011-03-02  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/freebsd64.h (CC1_SPEC): Define.
        * config/i386/linux64.h (CC1_SPEC): Define.
        * config/i386/x86-64.h (CC1_SPEC): Don't define.

2011-03-02  Anatoly Sokolov  <aesok@post.ru>

        * config/stormy16/stormy16.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST):
        Remove.
        * config/stormy16/stormy16.c: Include reload.h.
        (xstormy16_memory_move_cost): New function.
        (TARGET_MEMORY_MOVE_COST): Define.

2011-03-02  Richard Sandiford  <richard.sandiford@linaro.org>

        PR rtl-optimization/47925
        * cse.c (count_reg_usage): Don't ignore the SET_DEST of instructions
        with side effects.  Remove the more-specific check for volatile asms.

2011-03-02  Alan Modra  <amodra@gmail.com>

        PR target/47935
        * config/rs6000/predicates.md (lwa_operand): Check cmodel medium
        toc relative addresses for valid offsets.

2011-03-01  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47890
        * tree-vect-loop.c (get_initial_def_for_induction): Set
        related stmt properly.

2011-03-01  Richard Guenther  <rguenther@suse.de>

        PR lto/47924
        * lto-streamer.c (lto_record_common_node): Also register
        the canonical type.

2011-03-01  Richard Guenther  <rguenther@suse.de>

        PR lto/46911
        * lto-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
        Do not stream DECL_ABSTRACT_ORIGIN.
        (lto_input_ts_block_tree_pointers): Nor BLOCK_SOURCE_LOCATION,
        BLOCK_NONLOCALIZED_VARS or BLOCK_ABSTRACT_ORIGIN.
        * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
        Do not stream DECL_ABSTRACT_ORIGIN.
        (lto_output_ts_block_tree_pointers): Nor BLOCK_SOURCE_LOCATION,
        BLOCK_NONLOCALIZED_VARS or BLOCK_ABSTRACT_ORIGIN.

2011-02-28  Anatoly Sokolov  <aesok@post.ru>

        * config/stormy16/stormy16.h (FUNCTION_VALUE, LIBCALL_VALUE,
        FUNCTION_VALUE_REGNO_P): Remove.
        * config/stormy16/stormy16-protos.h (xstormy16_function_value): Remove.
        * config/stormy16/stormy16.c (xstormy16_function_value): Make static.
        Add 'outgoing' argument.
        (xstormy16_libcall_value, xstormy16_function_value_regno_p): New
        function.
        (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
        TARGET_FUNCTION_VALUE_REGNO_P): Define.

2011-02-28  Kai Tietz  <kai.tietz@onevision.com>

        PR debug/28047
        * dwarf2out.c (file_table_eq): Use filename_cmp instead of strcmp.
        (lookup_filename): Likewise.
        * final.c (remap_debug_filename): Use filename_ncmp instead of strncmp.

2011-02-28  Bernd Schmidt  <bernds@codesourcery.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/47893
        * rtl.h (ASLK_REDUCE_ALIGN, ASLK_RECORD_PAD): Define.
        (assign_stack_local_1): Change last argument type to int.
        * function.c (assign_stack_local_1): Replace reduce_alignment_ok
        argument with kind.  If bit ASLK_RECORD_PAD is not set in it,
        don't record padding space into frame_space_list nor use those areas.
        (assign_stack_local): Adjust caller.
        (assign_stack_temp_for_type): Call assign_stack_local_1 instead
        of assign_stack_local, pass 0 as last argument.
        * caller-save.c (setup_save_areas): Adjust assign_stack_local_1
        callers.

2011-02-28  Jakub Jelinek  <jakub@redhat.com>

        PR debug/47283
        * cfgexpand.c (convert_debug_memory_address): Add AS parameter.
        Use target address_mode and pointer_mode hooks instead of hardcoded
        Pmode and ptr_mode.  Handle some simple cases of extending if
        POINTERS_EXTEND_UNSIGNED < 0.
        (expand_debug_expr) <case MEM_REF, INDIRECT_REF, TARGET_MEM_REF>:
        Call convert_debug_memory_address.
        (expand_debug_expr) <case ADDR_EXPR>: Pass as to
        convert_debug_memory_address.

        PR middle-end/46790
        * configure.ac (HAVE_LD_EH_GC_SECTIONS_BUG): New test.
        * configure: Regenerated.
        * config.in: Regenerated.
        * varasm.c (default_function_section): Return NULL
        if HAVE_LD_EH_GC_SECTIONS_BUG and decl has implicit section name.

2011-02-28  Martin Jambor  <mjambor@suse.cz>

        * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Fix
        the description to match the printed values.

2011-02-28  Richard Guenther  <rguenther@suse.de>

        * tree-inline.c (tree_function_versioning): Set BLOCK_SUPERCONTEXT
        of the copied scope tree.

2011-02-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/extend.texi (Function Attributes): Avoid deeply (and
        wrongly) nested tables.

2011-02-27  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/47903
        * real.c (real_arithmetic) <case PLUS_EXPR, MINUS_EXPR,
        MULT_EXPR, RDIV_EXPR>: Clear padding bits in *r first if
        r isn't op0 nor op1.

2011-02-23  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/avr.md: Remove magic comment for emacs.

2011-02-23  Georg-Johann Lay  <avr@gjlay.de>

        PR target/45261
        * config/avr/avr.c (avr_option_override): Use error on bad options.
        (avr_help): New function.
        (TARGET_HELP): Define.

2011-02-22  Georg-Johann Lay  <avr@gjlay.de>

        PR target/42240
        * config/avr/avr.c (avr_cannot_modify_jumps_p): New function.
        (TARGET_CANNOT_MODIFY_JUMPS_P): Define.

2011-02-26  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/invoke.texi (ARC Options): Use CPU instead of cpu.
        (ARM Options): Ditto.
        (i386 and x86-64 Options): Ditto.
        (RX Options): Ditto.
        (SPARC Options): Ditto.

2011-02-26  Tijl Coosemans  <tijl@coosemans.org>

        * config.gcc (i386-*-freebsd*): Make i486 the default arch on
        FreeBSD 6 and later.  Generally use cpu generic.

2011-02-25  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/cpp.texi: Update copyright years.

2011-02-25  Sebastien Bourdeauducq  <sebastien@milkymist.org>

        PR target/46898
        * config/lm32/lm32.md (ashrsi3): Added needed variable.

2011-02-25  Jon Beniston  <jon@beniston.com>

        PR target/46898
        * config/lm32/lm32.h (INCOMING_RETURN_ADDR_RTX): New.
        * config/lm32/lm32.md (ashlsi3): Remove unused variable.
        * config/lm32/lm32.c (TARGET_EXCEPT_UNWIND_INFO): New.
        (lm32_block_move_inline): Add type cast to remove warning.
        (lm32_expand_prologue): Generate fp in a way compatible with dwarf2out.
        (gen_int_relational): Move declarations to start of function.

2011-02-25  Eric Botcazou  <ebotcazou@adacore.com>

        PR tree-optimization/45470
        * tree-vect-data-refs.c (vect_analyze_data_refs): Fail if a statement
        can throw internally only.
        * tree-vect-stmts.c (vectorizable_call): Likewise.

2011-02-24  Anatoly Sokolov  <aesok@post.ru>

        * config/stormy16/stormy16.h (PREFERRED_RELOAD_CLASS,
        PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
        * config/stormy16/stormy16-protos.h
        (xstormy16_preferred_reload_class): Remove.
        * config/stormy16/stormy16.c (xstormy16_preferred_reload_class): Make
        static. Change 'rclass' argument and return type to reg_class_t.
        (TARGET_PREFERRED_RELOAD_CLASS,
        TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.

2011-02-24  Richard Guenther  <rguenther@suse.de>

        * lto-streamer-in.c (input_bb): Do not find referenced vars
        in debug statements.

2011-02-23  Jason Merrill  <jason@redhat.com>

        * common.opt (fabi-version): Document v5 and v6.

2011-02-23  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47849
        * tree-if-conv.c (main_tree_if_conversion): Free postdom info.

2011-02-23  Jie Zhang  <jie@codesourcery.com>

        * opts-common.c (decode_cmdline_option): Print empty string
        argument as "" in decoded->orig_option_with_args_text.
        * gcc.c (execute): Print empty string argument as ""
        in the verbose output.
        (do_spec_1): Keep empty string argument.

2011-02-23  Nathan Froyd  <froydnj@codesourcery.com>

        * config.gcc: Declare score-* and crx-* obsolete.

2011-02-23  Jie Zhang  <jie@codesourcery.com>

        PR rtl-optimization/47763
        * web.c (web_main): Ignore naked clobber when replacing register.

2011-02-22  Anatoly Sokolov  <aesok@post.ru>

        * config/stormy16/stormy16.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P):
        Remove.

2011-02-22  Sebastian Pop  <sebastian.pop@amd.com>

        PR doc/47848
        * doc/invoke.texi: Do not mention -ftree-loop-if-convert-memory-writes.

2011-02-22  Mike Stump  <mikestump@comcast.net>

        * acinclude.m4 (gcc_cv_gas_vers): Add -arch ppc for probing darwin
        assembler.
        * configure: Regenerate.

2011-02-21  Chung-Lin Tang  <cltang@codesourcery.com>

        PR rtl-optimization/46002
        * ira-color.c (update_copy_costs): Change class intersection
        test to reg_class_contents[] test of 'hard_regno'.

2011-02-21  Joseph Myers  <joseph@codesourcery.com>

        * config/alpha/osf5.opt (mno-mips-tfile): Mark as Target rather
        than Driver option.
        * config/hpux11.opt (mt): Likewise.
        * config/microblaze/microblaze.opt (mxl-mode-xilkernel): Likewise.
        * config/rs6000/xilinx.opt (mno-clearbss, mppcperflib): Likewise.
        * config/vax/elf.opt (mno-asm-pic): Likewise.
        * config/vms/vms.opt (map, mvms-return-codes): Likewise.

2011-02-21  Mike Stump  <mikestump@comcast.net>

        PR target/47822
        * config/darwin-protos.h (darwin_init_cfstring_builtins): Return a
        tree so we can get save the type.
        * config/i386/darwin.h (SUBTARGET_INIT_BUILTINS): Reserve builtin slot
        for CFString instead of trying to use past the end of the builtins.
        * config/i386/i386.c (IX86_BUILTIN_CFSTRING): Likewise.
        * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_CFSTRING): Likewise.
        * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): Likewise.
        * config/darwin.c (DARWIN_BUILTIN_CFSTRINGMAKECONSTANTSTRING):
        Rename to darwin_builtin_cfstring.
        (darwin_init_cfstring_builtins): Return the built type.

2011-02-21  Uros Bizjak  <ubizjak@gmail.com>

        PR target/47840
        * config/i386/avxintrin.h (_mm256_insert_epi32): Use _mm_insert_epi32.
        (_mm256_insert_epi64): Use _mm_insert_epi64.

2011-02-21  Anatoly Sokolov  <aesok@post.ru>

        * config/stormy16/stormy16.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
        * config/stormy16/stormy16-protos.h
        (xstormy16_mode_dependent_address_p): Remove.
        * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
        Make static. Change return type to bool. Change argument type to
        const_rtx. Remove dead code.
        (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.

2011-02-21  Richard Guenther  <rguenther@suse.de>

        PR lto/47820
        * lto-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
        Do not stream DECL_INITIAL for TRANSLATION_UNIT_DECLs.
        (lto_input_ts_block_tree_pointers): Hook a BLOCK into the
        TUs context.
        * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
        Do not stream DECL_INITIAL for TRANSLATION_UNIT_DECLs.

2011-02-20  Richard Guenther  <rguenther@suse.de>

        PR lto/47822
        * tree.c (free_lang_data_in_decl): Clean builtins from
        the TU decl BLOCK_VARS.

2011-02-19  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/47620
        PR debug/47630
        * haifa-sched.c (fix_tick_ready): Skip tick computation
        for debug insns.

2011-02-19  Richard Guenther  <rguenther@suse.de>

        PR lto/47647
        * lto-streamer-in.c (lto_input_ts_decl_minimal_tree_pointers):
        Remove lazy BLOCK_VARS streaming.
        (lto_input_ts_block_tree_pointers): Likewise.
        * lto-streamer-out.c (lto_output_ts_block_tree_pointers): Likewise.

2011-02-19  Joseph Myers  <joseph@codesourcery.com>

        * config.gcc (i[34567]86-pc-msdosdjgpp*): Use i386/djgpp-stdint.h.

2011-02-19  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/biarch32.h, config/i386/mach.h,
        config/rs6000/aix.opt, config/sh/superh64.h: Remove.

2011-02-19  Jakub Jelinek  <jakub@redhat.com>

        PR target/47800
        * config/i386/i386.md (peephole2 for shift and plus): Use
        operands[1] original mode in the first insn.

2011-02-18  Mike Stump  <mikestump@comcast.net>

        * config/t-darwin (TM_H): Add dependency on darwin-sections.def.

2011-02-18  Jan Hubicka  <jh@suse.cz>

        PR middle-end/47788
        * ipa-inline.c (compute_inline_parameters): Set disregard_inline_limits
        to zero when the function is not inlinable at all.

2011-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * config.gcc (hppa[12]*-*-hpux11*): Set extra_parts.
        * config/pa/stublib.c (pthread_default_stacksize_np, pthread_mutex_lock,
        pthread_mutex_unlock, pthread_once): Reinstate pthread stubs.
        * config/pa/t-pa-hpux11: Add rules to build pthread stubs.
        * config/pa/t-pa64: Likewise.
        * config/pa/pa-hpux11.h (LINK_GCC_C_SEQUENCE_SPEC): Define.

2011-02-18  Jakub Jelinek  <jakub@redhat.com>

        PR driver/47787
        * gcc.c (default_compilers): Clear combinable field for "@cpp-output".

2011-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/47792
        * gthr-dce.h (__gthread_mutx_destroy): Fix typo in name.

2011-02-18  Anatoly Sokolov  <aesok@post.ru>

        * config/m32r/m32r.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
        RTX_OK_FOR_BASE_P, RTX_OK_FOR_OFFSET_P, LEGITIMATE_OFFSET_ADDRESS_P,
        LEGITIMATE_LO_SUM_ADDRESS_P, LOAD_POSTINC_P, STORE_PREINC_PREDEC_P,
        GO_IF_LEGITIMATE_ADDRESS): Remove macros.
        * config/m32r/m32r.c (TARGET_LEGITIMATE_ADDRESS_P): Define.
        (m32r_rtx_ok_for_base_p, m32r_rtx_ok_for_offset_p,
        m32r_legitimate_offset_addres_p, m32r_legitimate_lo_sum_addres_p,
        m32r_load_postinc_p, m32r_store_preinc_predec_p,
        m32r_legitimate_address_p): New functions.
        * config/m32r/constraints.md (constraint "S"): Don't use
        STORE_PREINC_PREDEC_P.
        (constraint "U"): Don't use LOAD_POSTINC_P.

2011-02-18  Chung-Lin Tang  <cltang@codesourcery.com>

        PR rtl-optimization/46178
        * ira.c (setup_hard_regno_class): Use ira_class_translate[] to
        compute ira_hard_regno_cover_class[].

2011-02-18  Richard Guenther  <rguenther@suse.de>

        PR lto/47798
        * lto-streamer.h (lto_global_var_decls): Declare.
        * lto-streamer-in.c (lto_register_var_decl_in_symtab): Register
        statics for global var processing.

2011-02-18  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47737
        * tree-ssa-loop-im.c (extract_true_false_args_from_phi): Fix
        edge dominance check.

2011-02-18  Jakub Jelinek  <jakub@redhat.com>

        PR debug/47780
        * cfgexpand.c (expand_debug_expr) <case SSA_NAME>: Call copy_rtx to
        avoid invalid rtx sharing.

2011-02-18  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/cpp.texi (Obsolete Features): Add background on the
        origin of assertions.

2011-02-17  Iain Sandoe  <iains@gcc.gnu.org>

        * config/darwin-c.c (darwin_cpp_builtins): Define __OBJC2__ for
        objc_abi == 2.
        * config/darwin.c (output_objc_section_asm_op): Added support for
        ABI v1 and v2.
        (is_objc_metadata): New.
        (darwin_objc2_section): New.
        (darwin_objc1_section): New.
        (machopic_select_section): Added support for ABI v1 and v2.
        (darwin_emit_objc_zeroed): New.
        (darwin_output_aligned_bss): Detect objc metadata and treat it
        appropriately.
        (darwin_asm_output_aligned_decl_common): Same.
        (darwin_asm_output_aligned_decl_local): Same.
        * config/darwin-sections.def: Updated for ABI v1 and v2.
        * config/darwin.h (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): When
        compiling Objective-C code for the NeXT runtime, default to using
        ABI version 0 for 32-bit, and version 2 for 64-bit.

2011-02-17  Joseph Myers  <joseph@codesourcery.com>

        * common.opt (optimize_fast): New Variable.
        * opts.c (default_options_optimization): Use opts->x_optimize_fast
        instead of local variable ofast.

2011-02-17  Nicola Pero  <nicola.pero@meta-innovation.com>

        * doc/invoke.texi (fobjc-abi-version): Documented.
        (fobjc-nilcheck): Documented.
        (fno-nil-receiver): Updated documentation to refer to the NeXT ABI
        version.

2011-02-17  Joseph Myers  <joseph@codesourcery.com>

        PR driver/47390
        * common.opt (export-dynamic): New Driver option.
        * gcc.c (LINK_COMMAND_SPEC): Add comment about %{e*}.

2011-02-17  Joseph Myers  <joseph@codesourcery.com>

        * config/rx/rx.h (LIB_SPEC): Match -msim not -msim*.

2011-02-17  Alexandre Oliva  <aoliva@redhat.com>
            Jan Hubicka  <jh@suse.cz>

        PR debug/47106
        PR debug/47402
        * cfgexpand.c (account_used_vars_for_block): Remove.
        (estimated_stack_frame_size): Use referenced vars.
        * tree-inline.c (remap_decl): Only mark VAR_DECLs as referenced
        that were referenced in the original function.  Test src_fn
        rather than cfun.  Drop redundant get_var_ann.
        (setup_one_parameter): Drop redundant get_var_ann.
        (declare_return_variable): Likewise.
        (copy_decl_for_dup_finish): Mark VAR_DECLs referenced in src_fn.
        (copy_arguments_for_versioning): Drop redundant get_var_ann.
        * ipa-inline.c (compute_inline_parameters): Do not compute
        disregard_inline_limits here.
        (compute_inlinable_for_current, pass_inlinable): New.
        (pass_inline_parameters): Require PROP_referenced_vars.
        * cgraphunit.c (cgraph_process_new_functions): Don't run
        compute_inline_parameters explicitly unless function is in SSA form.
        (cgraph_analyze_function): Set .disregard_inline_limits.
        * tree-sra.c (convert_callers): Compute inliner parameters
        only for functions already in SSA form.

2011-02-17  Joseph Myers  <joseph@codesourcery.com>

        * config/sparc/sparc.h (CPP_ENDIAN_SPEC): Don't handle
        -mlittle-endian-data.

2011-02-17  Joseph Myers  <joseph@codesourcery.com>

        * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): Match -mfpu and
        -mno-fpu, not -fpu and -no-fpu.
        * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): Likewise.
        * config/sparc/sparc.h (OPTION_DEFAULT_SPECS): Likewise.

2011-02-17  Uros Bizjak  <ubizjak@gmail.com>

        PR target/43653
        * config/i386/i386.c (ix86_secondary_reload): Handle SSE
        input reload with PLUS RTX.

2011-02-16  Joseph Myers  <joseph@codesourcery.com>

        * config/mips/mips.opt (mno-mdmx): Use Var(TARGET_MDMX, 0) instead
        of InverseVar(MDMX).

2011-02-16  Joseph Myers  <joseph@codesourcery.com>

        * config/sh/embed-elf.h (LIBGCC_SPEC): Match -m4-340 instead of
        --m4-340.

2011-02-16  Joseph Myers  <joseph@codesourcery.com>

        * config/mn10300/mn10300.opt (mno-crt0): New.

2011-02-16  Joseph Myers  <joseph@codesourcery.com>

        * config/m68k/uclinux.opt (static-libc): New Driver option.

2011-02-16  Joseph Myers  <joseph@codesourcery.com>

        * config/m32c/m32c.h (LIB_SPEC): Match -msim not -msim*.

2011-02-16  Joseph Myers  <joseph@codesourcery.com>

        * config/lm32/lm32.h (ASM_SPEC): Use %{muser-enabled} instead of
        %{muser-extend-enabled}.

2011-02-16  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47738
        * tree-ssa-loop.c (run_tree_predictive_commoning): Return
        the TODO from tree_predictive_commoning.

2011-02-15  Jeff Law  <law@redhat.com>

        Revert
        2011-01-25  Jeff Law  <law@redhat.com>

        PR rtl-optimization/37273
        * ira-costs.c (scan_one_insn): Detect constants living in memory and
        handle them like argument loads from stack slots.  Do not double
        count memory for memory constants and argument loads from stack slots.

2011-02-15  H.J. Lu  <hongjiu.lu@intel.com>

        PR middle-end/47725
        * combine.c (cant_combine_insn_p): Revert the last change.

2011-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/47755
        * config/rs6000/predicates.md (easy_vector_constant): Allow V2DI
        mode for vector constants.  Remove code that checks for TImode.

2011-02-15  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/47106
        PR debug/47402
        * cgraph.h (compute_inline_parameters): Return void.
        * ipa-inline.c (compute_inline_parameters): Adjust.

2011-02-15  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/47106
        PR debug/47402
        * tree-inline.h (estimated_stack_frame_size): Take cgraph node
        rather than decl.
        * cfgexpand.c (estimated_stack_frame_size): Likewise.
        * ipa-inline.c (compute_inline_parameters): Adjust.

2011-02-15  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/47106
        PR debug/47402
        * tree-flow.h (FOR_EACH_REFERENCED_VAR): Add FN argument.
        Adjust all users.  Pass FN to...
        * tree-flow-inline.h (first_referenced_var): ... this.  Add
        fn argument.
        * ipa-struct-reorg.c: Adjust.
        * tree-dfa.c: Adjust.
        * tree-into-ssa.c: Adjust.
        * tree-sra.c: Adjust.
        * tree-ssa-alias.c: Adjust.
        * tree-ssa-live.c: Adjust.
        * tree-ssa.c: Adjust.
        * tree-ssanames.c: Adjust.
        * tree-tailcall.c: Adjust.

2011-02-15  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/47106
        PR debug/47402
        * tree-flow.h (referenced_var_lookup): Add fn parameter.
        Adjust all callers.
        * tree-dfa.c (referenced_var_lookup): Use fn instead of cfun.
        * tree-flow-inline.h: Adjust.
        * gimple-pretty-print.c: Adjust.
        * tree-into-ssa.c: Adjust.
        * tree-ssa.c: Adjust.
        * cfgexpand.c: Adjust.

2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>

        * config/iq2000/i2000.h (REG_CLASS_FROM_LETTER): Delete.
        (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
        (EXTRA_CONSTRAINT): Delete.
        * config/iq2000/constraints.md: New file.
        * config/iq2000/iq2000.md: Include it.
        (define_insn ""): Delete.
        (movsi_internal2, movhi_internal2, movqi_internal2): Delete
        unsupported constraint letters from patterns.
        (call_value, call_value_internal1): Likewise.
        (call_value_multiple_internal1): Likewise.

2011-02-15  Nick Clifton  <nickc@redhat.com>

        * config/mn10300/mn10300.c: Include tm-constrs.h.
        (struct liw_data): New data structure describing an LIW candidate
        instruction.
        (extract_bundle): Use struct liw_data.  Allow small integer
        operands for some instructions.
        (check_liw_constraints): Use struct liw_data.  Remove swapped
        parameter.  Add comments describing the checks.  Fix bug when
        assigning the source of liw1 to the source of liw2.
        (liw_candidate): Delete.  Code moved into extract_bundle.
        (mn10300_bundle_liw): Use struct liw_data.  Check constraints
        before swapping.
        * config/mn10300/predicates.md (liw_operand): New predicate.
        Allows registers and small integer constants.
        * config/mn10300/constraints.md (O): New constraint.  Accetps
        integers in the range -8 to +7 inclusive.
        * config/mn10300/mn10300.md (movesi_internal): Add an alternative
        for moving a small integer into a register.  Give this alternative
        LIW attributes.
        (addsi3, subsi3, cmpsi, lshrsi3, ashrsi3): Likewise.
        (ashlsi3): Likewise, plus give LIW attributes to the alternatives
        using the J,K,L and M constraints,
        (liw): Remove SI mode on second operands to allow for HI and QI
        mode values.
        (cmp_liw, liw_cmp): Likewise.  Plus fix order of operands in the
        instruction.

2011-02-15  H.J. Lu  <hongjiu.lu@intel.com>

        PR middle-end/47725
        * combine.c (cant_combine_insn_p): Check zero/sign extended
        hard registers.

2011-02-15  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47743
        * tree-ssa-pre.c (phi_translate_1): If we didn't get a value-number
        for a non-type-compatible VN lookup bail out.

2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>

        * config/fr30/constraints.md: New file.
        * config/fr30/fr30.md: Include it.
        * config/fr30/fr30.h (REG_CLASS_FROM_LETTER): Delete.
        (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
        (EXTRA_CONSTRAINT): Delete.

2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>

        * config/frv/constraints.md: New file.
        * config/frv/predicates.md: Include it.
        * config/frv/frv.c (reg_class_from_letter): Delete.
        (frv_option_override): Don't initialize it.
        * config/frv/frv.h (REG_CLASS_FROM_LETTER): Delete.
        (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K): Delete.
        (CONST_OK_FOR_L, CONST_OK_FOR_M, CONST_OK_FOR_N): Delete.
        (CONST_OK_FOR_O, CONST_OK_FOR_P, CONST_OK_FOR_LETTER_P): Delete.
        (CONST_DOUBLE_OK_FOR_G, CONST_DOUBLE_OK_FOR_H): Delete.
        (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
        (EXTRA_CONSTRAINT_FOR_Q, EXTRA_CONSTRAINT_FOR_R): Delete.
        (EXTRA_CONSTRAINT_FOR_S, EXTRA_CONSTRAINT_FOR_T): Delete.
        (EXTRA_CONSTRAINT_FOR_U, EXTRA_CONSTRAINT): Delete.
        (EXTRA_MEMORY_CONSTRAINT, CONSTRAINT_LEN): Delete.
        (REG_CLASS_FROM_CONSTRAINT): Delete.

2011-02-15  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/47581
        * config/i386/i386.c (ix86_compute_frame_size): Don't align offset
        if frame size is 0 in a leaf function.

2011-02-15  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR pch/14940
        * config/alpha/host-osf.c: New file.
        * config/alpha/x-osf: New file.
        * config.host (alpha*-dec-osf*): Use it.

2011-02-14  Anatoly Sokolov  <aesok@post.ru>

        * config/rx/rx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
        * config/rx/rx-protos.h (rx_is_mode_dependent_addr): Remove.
        * config/xtensa/xtensa.c (rx_is_mode_dependent_addr): Rename to...
        (rx_mode_dependent_address_p): ...this. Make static. Change argument
        type to const_rtx.
        (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.

2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>

        * config/stormy16/constraints.md: New file.
        * config/stormy16/predicates.md (nonimmediate_nonstack_operand):
        Use satisfies_constraint_Q and satisfies_constraint_R.
        * config/stormy16/stomry16-protos.h (xstormy16_extra_constraint_p):
        Delete.
        (xstormy16_legitiamte_address_p): Declare.
        * config/stormy16/stormy16.h (REG_CLASS_FROM_LETTER): Delete.
        (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
        (EXTRA_CONSTRAINT): Delete.
        * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
        Un-staticize.
        (xstormy16_extra_constraint_p): Delete.

2011-02-14  Eric Botcazou  <ebotcazou@adacore.com>

        PR tree-optimization/46494
        * loop-unroll.c (split_edge_and_insert): Adjust comment.
        * loop-init.c (loop_optimizer_finalize): Do not call verify_flow_info.
        (pass_rtl_loop_done): Add TODO_verify_flow.
        * fwprop.c (pass_rtl_fwprop): Likewise.
        * modulo-sched.c (pass_sms): Likewise.
        * tree-ssa-dom.c (pass_dominator): Likewise.
        * tree-ssa-loop-ch.c (pass_ch): Likewise.
        * tree-ssa-loop.c (pass_complete_unrolli): Likewise.
        (pass_tree_loop_done): Likewise.
        * tree-ssa-pre.c (execute_pre): Likewise.
        * tree-ssa-reassoc.c (pass_reassoc): Likewise.
        * tree-ssa-sink.c (pass_sink_code): Likewise.
        * tree-vrp.c (pass_vrp): Likewise.

2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>

        * config/v850/constraints.md: New file.
        * config/v850/v850.md: Include it.
        * config/v850/predicates.md (reg_or_0_operand): Use
        satisfies_constraint_G.
        (special_symbolref_operand): Use satisfies_constraint_K.
        * config/v850/v850.h (CONSTANT_ADDRESS_P): Use constraint_satisfied_p.
        (GO_IF_LEGITIMATE_ADDRESS): Likewise.
        (REG_CLASS_FROM_LETTER, INT_7_BITS, INT_8_BITS): Delete.
        (CONST_OK_FOR_P, CONST_OK_FOR_LETTER_P): Delete.
        (EXTRA_CONSTRAINT): Delete.
        (CONST_OK_FOR_I, CONST_OK_FOR_J): Use insn_const_int_ok_for_constraint.
        (CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M): Likewise.
        (CONST_OK_FOR_N, CONST_OK_FOR_O): Likewise.

2011-02-14  Anatoly Sokolov  <aesok@post.ru>

        PR target/47696
        * config/avr/avr-devices.c (avr_mcu_types): Fix ATmega2560 device
        description.

2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>

        * config/mcore/constraints.md: New file.
        * config/mcore/mcore.md: Include it.
        * config/mcore/mcore.c (reg_class_from_letter): Delete.
        * config/mcore/mcore.h (reg_class_from_letter): Delete.
        (REG_CLASS_FROM_LETTER): Delete.
        (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_L): Use
        insn_const_int_ok_for_constraint.
        (CONST_OK_FOR_K, CONST_OK_FOR_M, CONST_OK_FOR_N): Likewise.
        (CONST_OK_FOR_O, CONST_OK_FOR_P): Likewise.
        (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
        (EXTRA_CONSTRAINT): Delete.

2011-02-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR ada/41929
        * config/sparc/sol2-unwind.h: Include <sys/frame.h>, <sys/stack.h>
        (IS_SIGHANDLER): Define.
        (sparc64_is_sighandler): New function, split off from
        sparc64_fallback_frame_state.
        (sparc_is_sighandler): New function, split off from
        sparc_fallback_frame_state.
        (sparc64_fallback_frame_state): Merge with ...
        (sparc_fallback_frame_state): ... this into ...
        (MD_FALLBACK_FRAME_STATE_FOR): ... this.
        Change new_cfa to long.  Remove regs_off, fpu_save_off, fpu_save.
        Define nframes, mctx.  Use IS_SIGHANDLER, handler_args, mctx, walk
        stack instead of hardcoded offsets.

2011-02-14  Andriy Gapon  <avg@freebsd.org>

        PR target/45808
        * config/freebsd-spec.h (FBSD_LIB_SPEC): Handle the shared case.

2011-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * configure: Regenerate.

2011-02-12  Joseph Myers  <joseph@codesourcery.com>

        PR driver/45731
        * gcc.c (asm_options): Correct spec matching --target-help.

2011-02-12  Martin Jambor  <mjambor@suse.cz>

        * tree-cfg.c (verify_gimple_call): Return true upon invalid argument
        to gimple call error.

2011-02-12  Mike Stump  <mikestump@comcast.net>

        * config/frv/frv.h (TRANSFER_FROM_TRAMPOLINE): Canonicalize
        comments in backslash regions.

2011-02-12  Mike Stump  <mikestump@comcast.net>
            Jakub Jelinek  <jakub@redhat.com>
            Iain Sandoe  <iains@gcc.gnu.org>

        PR target/47324
        * dwarf2out.c (output_cfa_loc): When required, apply the
        DWARF2_FRAME_REG_OUT macro to adjust register numbers.
        (output_loc_sequence): Likewise.
        (output_loc_operands_raw): Likewise.
        (output_loc_sequence_raw): Likewise.
        (output_cfa_loc): Likewise.
        (output_loc_list): Suppress register number adjustment when
        calling output_loc_sequence()
        (output_die): Likewise.

2011-02-12  Anatoly Sokolov  <aesok@post.ru>

        * config/xtensa/xtensa.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST):
        Remove macros.
        * config/xtensa/xtensa.c (xtensa_register_move_cost,
        xtensa_memory_move_cost): New functions.
        (TARGET_REGISTER_MOVE_COST, TARGET_REGISTER_MOVE_COST): Define.

2011-02-12  Alexandre Oliva  <aoliva@redhat.com>

        PR lto/47225
        * configure.ac (gcc_cv_lto_plugin): Test for liblto_plugin.la
        in the current directory.
        * configure: Rebuilt.

2011-02-12  Iain Sandoe  <iains@gcc.gnu.org>

        * config/darwin.c (darwin_override_options): Add a hunk missed
        from the commit of r168571.  Trim comment line lengths and
        correct indents of the preceding block.

2011-02-12  Iain Sandoe  <iains@gcc.gnu.org>

        * gcc.c (driver_handle_option): Concatenate the argument to -F with
        the switch.

2011-02-11  Joseph Myers  <joseph@codesourcery.com>

        * common.opt (nostartfiles): New Driver option.

2011-02-11  Xinliang David Li  <davidxl@google.com>

        PR tree-optimization/47707
        * tree-chrec.c (convert_affine_scev): Keep type precision.

2011-02-11  Eric Botcazou  <ebotcazou@adacore.com>

        PR tree-optimization/47420
        * ipa-split.c (visit_bb): Punt on any kind of GIMPLE_RESX.

2011-02-11  Pat Haugen  <pthaugen@us.ibm.com>

        PR rtl-optimization/47614
        * rtl.h (check_for_inc_dec): Declare.
        * dse.c (check_for_inc_dec): Externalize...
        * postreload.c (reload_cse_simplify): ...use it before deleting stmt.
        (reload_cse_simplify_operands): Don't simplify opnds with side effects.

2011-02-11  Joseph Myers  <joseph@codesourcery.com>

        PR driver/47678
        * gcc.c (main): Do not compile inputs if there were errors in
        option handling.
        * opts-common.c (read_cmdline_option): Check for wrong language
        after other error checks.

2011-02-11  Nathan Froyd  <froydnj@codesourcery.com>

        * cgraph.c: Fix comment typos.
        * cgraph.h: Likewise.
        * cgraphunit.c: Likewise.
        * ipa-cp.c: Likewise.
        * ipa-inline.c: Likewise.
        * ipa-prop.c: Likewise.
        * ipa-pure-const.c: Likewise.
        * ipa-ref.c: Likewise.
        * ipa-reference.c: Likewise.

2011-02-11  Jakub Jelinek  <jakub@redhat.com>

        PR debug/47684
        * tree-predcom.c (single_nonlooparound_use): Ignore debug uses.

2011-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR testsuite/47400
        * doc/sourcebuild.texi (Require Support): Document
        dg-require-ascii-locale.

2011-02-11  Mingjie Xing  <mingjie.xing@gmail.com>

        * doc/lto.texi (Write summary): Fix missing parentheses.

2011-02-10  DJ Delorie  <dj@redhat.com>

        * config/m32c/m32c.c (m32c_option_override): Disable
        -fcombine-stack-adjustments until flag value tracking and compare
        optimization can be rewritten.

2011-02-10  Peter Bergner  <bergner@vnet.ibm.com>

        * config/rs6000/linux64.h (PROCESSOR_DEFAULT): Change to
        PROCESSOR_POWER7.
        (PROCESSOR_DEFAULT64): Likewise.

2011-02-10  Richard Henderson  <rth@redhat.com>

        * config/rx/predicates.md (rx_zs_comparison_operator): Revert
        change from 2011-02-03.
        * config/rx/rx.c (flags_from_code): Likewise.
        (rx_print_operand) ['B']: For LT/GE, use lt/ge if overflow flag
        is valid, n/pz otherwise.
        (rx_select_cc_mode): Return CCmode if Y is not zero.

2011-02-10  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (bitpos_of_field): Use BITS_PER_UNIT, not 8.

2011-02-10  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47677
        * tree-vrp.c (vrp_bitmap_equal_p): Fix comparison of empty bitmaps.

2011-02-10  Jakub Jelinek  <jakub@redhat.com>

        PR target/47665
        * combine.c (make_compound_operation): Only change shifts into
        multiplication for SCALAR_INT_MODE_P.

2011-02-10  Jie Zhang  <jie@codesourcery.com>

        PR testsuite/47622
        Revert
        2011-02-05  Jie Zhang  <jie@codesourcery.com>
        PR debug/42631
        * web.c (entry_register): Don't clobber the number of the
        first uninitialized reference in used[].

2011-02-09  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47664
        * ipa-inline.c (cgraph_decide_inlining_incrementally): Visit
        all edges again.

2011-02-09  David Edelsohn  <dje.gcc@gmail.com>

        PR target/46481
        PR target/47032
        * config/rs6000/aix61.h (PROCESSOR_DEFAULT): Change to
        PROCESSOR_POWER7.
        (PROCESSOR_DEFAULT64): Same.
        (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Delete.

2011-02-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/mips/iris6.h (TARGET_C99_FUNCTIONS): Define.

2011-02-09  Martin Jambor  <mjambor@suse.cz>

        PR middle-end/45505
        * tree-sra.c (struct access): New flags grp_scalar_read and
        grp_scalar_write.  Changed description of assignment read and write
        flags.
        (dump_access): Dump new flags, reorder all of them.
        (sort_and_splice_var_accesses): Set the new flag accordingly, use them
        to detect multiple scalar reads.
        (analyze_access_subtree): Use the new scalar read write flags instead
        of the old flags.  Adjusted comments.

2011-02-08  DJ Delorie  <dj@redhat.com>

        PR target/47548
        * config/m32c/m32c.c (m32c_subreg): Don't try to validate interim
        patterns.

2011-02-08  Joseph Myers  <joseph@codesourcery.com>

        * config/m68k/uclinux.opt: New.
        * config.gcc (m68k-*-uclinux*): Use m68k/uclinux.opt.

2011-02-08  Joseph Myers  <joseph@codesourcery.com>

        * config/cris/elf.opt (sim): New Driver option.

2011-02-08  Joseph Myers  <joseph@codesourcery.com>

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

2011-02-08  Joseph Myers  <joseph@codesourcery.com>

        * config/vax/elf.opt: New.
        * config.gcc (vax-*-linux*, vax-*-netbsdelf*): Use vax/elf.opt.

2011-02-08  Joseph Myers  <joseph@codesourcery.com>

        * config/rs6000/aix64.opt (posix, pthread): New Driver options.

2011-02-08  Joseph Myers  <joseph@codesourcery.com>

        * config/gnu-user.opt: New.
        * config.gcc (*-*-linux* | frv-*-*linux* | *-*-kfreebsd*-gnu |
        *-*-knetbsd*-gnu | *-*-gnu* | *-*-kopensolaris*-gnu,
        *-*-uclinux*): Use gnu-user.opt.

2011-02-08  Thomas Schwinge  <thomas@schwinge.name>

        * config/gnu.h (CPP_SPEC, LIB_SPEC): Remove handling of -bsd option.
        * config/i386/gnu.h (CPP_SPEC): Likewise.

2011-02-08  Ian Lance Taylor  <iant@google.com>

        * common.opt (fcx-limited-range): Add SetByCombined flag.
        (ffinite-math-only, fmath-errno, frounding-math): Likewise.
        (fsignaling-nans, fsigned-zeros, ftrapping-math): Likewise.
        (fassociative-math, freciprocal-math): Likewise.
        (funsafe-math-optimizations): Likewise.
        * opth-gen.awk: Handle SetByCombined.
        * optc-gen.awk: Likewise.
        * opts.c (set_fast_math_flags): Don't override flag if set by frontend.
        (set_unsafe_math_optimizations_flags): Likewise.
        * doc/options.texi (Option properties): Document SetByCombined.

2011-02-08  Joseph Myers  <joseph@codesourcery.com>

        * config.gcc (arc-*, alpha*-*-gnu*, arm*-*-netbsd*, arm-*-pe*,
        i[34567]86-*-interix3*, i[34567]86-*-netbsd*, i[34567]86-*-pe,
        m68hc11-*-*, m6811-*-*, m68hc12-*-*, m6812-*-*,
        m68k-*-uclinuxoldabi*, mcore-*-pe*, powerpc*-*-gnu*,
        sh*-*-symbianelf*, vax-*-netbsd*): Mark obsolete.

2011-02-08  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/46834
        PR tree-optimization/46994
        PR tree-optimization/46995
        * graphite-sese-to-poly.c (used_outside_reduction): New.
        (detect_commutative_reduction): Call used_outside_reduction.
        (rewrite_commutative_reductions_out_of_ssa_close_phi): Call
        translate_scalar_reduction_to_array only when at least one
        loop-phi/close-phi tuple has been detected.

2011-02-08  Richard Guenther  <rguenther@suse.de>

        PR middle-end/47639
        * tree-vect-generic.c (expand_vector_operations_1): Update
        stmts here ...
        (expand_vector_operations): ... not here.  Cleanup EH info
        and the CFG if required.

2011-02-08  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47641
        * tree-ssa.c (execute_update_addresses_taken): For asm outputs
        require type compatibility.

2011-02-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * gimple-low.c (lower_function_body): Don't remove the location of
        the return statement here.
        (lower_gimple_return): Do it here instead but only if the return
        statement is actually used twice.

2011-02-08  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47632
        * tree-ssa-forwprop.c (remove_prop_source_from_use): Remove
        unused up_to_stmt parameter, return whether cfg-cleanup is
        necessary, remove EH info properly.
        (forward_propagate_into_gimple_cond): Adjust caller.
        (forward_propagate_into_cond): Likewise.
        (forward_propagate_comparison): Likewise.
        (tree_ssa_forward_propagate_single_use_vars): Make
        forward_propagate_comparison case similar to the two others.

2011-02-08  Nick Clifton  <nickc@redhat.com>

        * config/mn10300/mn10300.opt (mliw): New command line option.
        * config/mn10300/mn10300.md (UNSPEC_LIW): New unspec.
        (liw_bundling): New automaton.
        (liw): New attribute.
        (liw_op): New attribute.
        (liw_op1, liw_op2, liw_both, liw_either): New reservations.
        (movsi_internal): Add LIW attributes.
        (andsi3): Likewise.
        (iorsi3): Likewise.
        (xorsi3): Likewise.
        (addsi3): Separate register and immediate alternatives.
        Add LIW attributes.
        (subsi3): Likewise.
        (cmpsi): Likewise.
        (aslsi3): Likewise.
        (lshrsi3): Likewise.
        (ashrsi3): Likewise.
        (liw): New pattern.
        * config/mn10300/mn10300.c (liw_op_names): New
        (mn10300_print_operand): Handle 'W' operand descriptor.
        (extract_bundle): New function.
        (check_liw_constraints): New function.
        (liw_candidate): New function.
        (mn10300_bundle_liw): New function.
        (mn10300_reorg): New function.
        (TARGET_MACHINE_DEPENDENT_REORG): Define.
        (TARGET_DEFAULT_TARGET_FLAGS): Add MASK_ALLOW_LIW.
        * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Define
        __LIW__ or __NO_LIW__.
        * doc/invoke.texi: Describe the -mliw command line option.

2011-02-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * config.gcc (hppa[12]*-*-hpux11*): Don't set extra_parts.
        * config/pa/stublib.c (pthread_default_stacksize_np, pthread_mutex_lock,
        pthread_mutex_unlock): Remove.
        * config/pa/t-pa-hpux11: Remove rules to build pthread stubs.
        * config/pa/t-pa64: Likewise.
        * config/pa/pa64-hpux.h (LIB_SPEC): In static links, link against
        shared libc if not linking against libpthread.
        * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.

2011-02-07  Iain Sandoe  <iains@gcc.gnu.org>

        PR target/47558
        * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Put -lSystem first
        on 10.6 and later to ensure that we always use the unwinder from
        the system.  Only add -no_compact_unwind when tarteting darwin
        10.6 or later.

2011-02-07  Steve Ellcey  <sje@cup.hp.com>

        PR target/46997
        * vect.md (vec_interleave_highv2sf): Change fmix for TARGET_BIG_ENDIAN.
        (vec_interleave_lowv2sf): Ditto.
        (vec_extract_evenv2sf): Add TARGET_BIG_ENDIAN check.
        (vec_extract_oddv2sf): Ditto.

2011-02-07  Mike Stump  <mikestump@comcast.net>

        PR target/42333
        Add __ieee_divdc3 entry point.
        * config/i386/darwin.h (DECLARE_LIBRARY_RENAMES): Retain ___divdc3
        entry point.
        (SUBTARGET_INIT_BUILTINS): Call darwin_rename_builtins.
        * config/i386/i386.c (TARGET_INIT_LIBFUNCS): Likewise.
        * config/darwin.c (darwin_rename_builtins): Add.
        * config/darwin-protos.h (darwin_rename_builtins): Add.

2011-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/47636
        * config/rs6000/rs6000.md (rsqrt<mode>2): Use the correct macro
        for the condition.

2011-02-07  Mike Stump  <mikestump@comcast.net>

        * config/darwin.opt (mmacosx-version-min): Update default OS version.

2011-02-07  Denis Chertykov  <chertykov@gmail.com>

        PR target/47534
        * config/avr/libgcc.S (exit): Move .endfunc

2011-02-07  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47615
        * tree-ssa-sccvn.h (run_scc_vn): Take a vn-walk mode argument.
        * tree-ssa-sccvn.c (default_vn_walk_kind): New global.
        (run_scc_vn): Initialize it.
        (visit_reference_op_load): Use it.
        * tree-ssa-pre.c (execute_pre): Use VN_WALK if in PRE.

2011-02-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.c (spu_init_libfuncs): Install SImode and
        DImode trapping arithmetic libfuncs.

2011-02-07  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47621
        * tree-ssa.c (non_rewritable_lvalue_p): New function, split out from
        two duplicates ...
        (execute_update_addresses_taken): ... here.  Make it more
        conservative in what we accept.

2011-02-06  Joseph Myers  <joseph@codesourcery.com>

        * config/sparc/freebsd.h (ASM_SPEC): Define.
        * config/sparc/vxworks.h (ASM_SPEC): Define.

2011-02-06  Joseph Myers  <joseph@codesourcery.com>

        * config/sparc/sol2-bi.h (CC1_SPEC): Remove %{sun4:} %{target:}.

2011-02-06  Steven Bosscher  <steven@gcc.gnu.org>

        * doc/invoke.texi: Remove reference to compiler internals from
        user documentation.

        * reg-notes.def: Remove REG_VALUE_PROFILE.
        * combine.c (distribute_notes): Do not handle REG_VALUE_PROFILE.

2011-02-05  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/47610
        * varasm.c (default_section_type_flags): If decl is NULL,
        and name is .data.rel.ro or .data.rel.ro.local, set SECTION_RELRO bit.

2011-02-05  Jie Zhang  <jie@codesourcery.com>

        PR debug/42631
        * web.c (entry_register): Don't clobber the number of the
        first uninitialized reference in used[].

2011-02-04  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/46194
        * tree-data-ref.c (analyze_miv_subscript): Remove comment.
        (build_classic_dist_vector_1): Do not represent classic distance
        vectors when the access functions are variating in different loops.

2011-02-04  Joseph Myers  <joseph@codesourcery.com>

        * config/mips/iris6.opt: New.
        * config.gcc (mips-sgi-irix6.5*): Use mips/iris6.opt.

2011-02-04  Richard Henderson  <rth@redhat.com>
            Steve Ellcey  <sje@cup.hp.com>

        PR target/46997
        * config/ia64/predicates.md (mux1_brcst_element): New.
        * config/ia64/ia64-protos.h (ia64_unpack_assemble): New.
        * config/ia64/ia64.c (ia64_unpack_assemble): New.
        (ia64_unpack_sign): New.
        (ia64_expand_unpack): Rewrite using new routines.
        (ia64_expand_widen_sum): Ditto.
        (ia64_expand_dot_prod_v8qi): Ditto.
        * config/ia64/vect.md (mulv8qi3): Rewrite to use new
        routines, add endian check.
        (pmpy2_even): Rename from pmpy2_r, add endian check.
        (pmpy2_odd): Rename from pmpy2_l, add endian check.
        (vec_widen_smult_lo_v4hi): Rewrite using new routines.
        (vec_widen_smult_hi_v4hi): Ditto.
        (vec_widen_umult_lo_v4hi): Ditto.
        (vec_widen_umult_hi_v4hi): Ditto.
        (mulv2si3): Change endian checks.
        (sdot_prodv4hi): Rewrite with new calls.
        (udot_prodv4hi): New.
        (vec_pack_ssat_v4hi): Add endian check.
        (vec_pack_usat_v4hi): Ditto.
        (vec_pack_ssat_v2si): Ditto.
        (max1_even): Rename from max1_r, add endian check.
        (max1_odd): Rename from max1_l, add endian check.
        (*mux1_rev): Format change.
        (*mux1_mix): Ditto.
        (*mux1_shuf): Ditto.
        (*mux1_alt): Ditto.
        (*mux1_brcst_v8qi): Use new predicate.
        (vec_extract_evenv8qi): Remove endian check.
        (vec_extract_oddv8qi): Ditto.
        (vec_interleave_lowv4hi): Format change.
        (vec_interleave_highv4hi): Ditto.
        (mix2_even): Rename from mix2_r, add endian check.
        (mix2_odd): Rename from mux2_l, add endian check.
        (*mux2): Fix mask setting for TARGET_BIG_ENDIAN.
        (vec_extract_evenodd_helper): Format change.
        (vec_extract_evenv4hi): Remove endian check.
        (vec_extract_oddv4hi): Remove endian check.
        (vec_interleave_lowv2si): Format change.
        (vec_interleave_highv2si): Format change.
        (vec_initv2si): Remove endian check.
        (vecinit_v2si): Add endian check.
        (reduc_splus_v2sf): Add endian check.
        (reduc_smax_v2sf): Ditto.
        (reduc_smin_v2sf): Ditto.
        (vec_initv2sf): Remove endian check.
        (fpack): Add endian check.
        (fswap): Add endian check.
        (vec_interleave_highv2sf): Add endian check.
        (vec_interleave_lowv2sf): Add endian check.
        (fmix_lr): Add endian check.
        (vec_setv2sf): Format change.
        (*vec_extractv2sf_0_be): Use shift to extract operand.
        (*vec_extractv2sf_1_be): New.
        (vec_pack_trunc_v4hi): Add endian check.
        (vec_pack_trunc_v2si): Format change.

2011-02-04  Jakub Jelinek  <jakub@redhat.com>

        PR inline-asm/23200
        * tree-ssa-ter.c (is_replaceable_p): Add TER argument.  Don't
        do bb, locus and block comparison and disallow loads if it is not set.
        (stmt_is_replaceable_p): New function.
        (process_replaceable, find_replaceable_in_bb): Adjust is_replaceable_p
        callers.
        * expr.c (expand_expr_real_1) <case SSA_NAME>: If
        get_gimple_for_ssa_name try for EXPAND_INITIALIZER harder to use
        SSA_NAME_DEF_STMT.
        * tree-flow.h (stmt_is_replaceable_p): New prototype.

2011-02-04  Joseph Myers  <joseph@codesourcery.com>

        * config/rs6000/xilinx.opt: New.
        * config.gcc (powerpc-xilinx-eabi*): Use rs6000/xilinx.opt.

2011-02-04  Joseph Myers  <joseph@codesourcery.com>

        * config/mips/mips.opt (EB, EL, noasmopt): New Driver options.

2011-02-03  Anatoly Sokolov  <aesok@post.ru>

        * config/xtensa/xtensa.h (PREFERRED_RELOAD_CLASS,
        PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
        * config/xtensa/xtensa-protos.h (xtensa_preferred_reload_class,
        secondary_reload_info, xtensa_secondary_reload): Remove.
        * config/xtensa/xtensa.c (TARGET_PREFERRED_RELOAD_CLASS,
        TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
        (xtensa_preferred_reload_class): Make static. Change return and
        'rclass' argument type to reg_class_t. Remove 'isoutput' argument.
        Use CONST_DOUBLE_P predicate.
        (xtensa_preferred_output_reload_class): New function.
        (xtensa_secondary_reload): Make static.

2011-02-03  Joseph Myers  <joseph@codesourcery.com>

        * config/microblaze/microblaze.opt (Zxl-mode-bootstrap,
        Zxl-mode-executable, Zxl-mode-novectors, Zxl-mode-xilkernel,
        Zxl-mode-xmdstub, mxl-mode-xilkernel): New Driver options.

2011-02-03  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/31490
        * output.h (SECTION_RELRO): Define.
        (SECTION_MACH_DEP): Adjust.
        (get_variable_section): New prototype.
        * varpool.c (varpool_finalize_named_section_flags): New function.
        (varpool_assemble_pending_decls): Call it.
        * cgraph.h (varpool_finalize_named_section_flags): New prototype.
        * cgraphunit.c (cgraph_output_in_order): Call
        varpool_finalize_named_section_flags.
        * varasm.c (get_section): Allow section flags conflicts between
        relro and read-only sections if the section hasn't been declared yet.
        Set SECTION_OVERRIDE after diagnosing section type conflict.
        (get_variable_section): No longer static.
        (default_section_type_flags): Use SECTION_WRITE | SECTION_RELRO for
        readonly sections that need relocations.
        (decl_readonly_section_1): New function.
        (decl_readonly_section): Use it.

        Revert:
        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.

2011-02-03  Jakub Jelinek  <jakub@redhat.com>

        * config/darwin.h (SECTION_NO_ANCHOR): Remove.
        * config/darwin.c (SECTION_NO_ANCHOR): Define.
        (darwin_init_sections): Remove assertion.

2011-02-03  Nick Clifton  <nickc@redhat.com>

        * config/rx/predicates.md (rx_zs_comparison_operator): Remove
        lt and ge.
        * config/rx/rx.md (abssi2_flags): Use CC_ZSmode rather than CC_ZSOmode.
        * config/rx/rx.c (rx_print_operand): Use "lt" and "ge" suffixes
        instead of "n" and "pz".
        (flags_from_code): LT and GE tests need CC_FLAG_O as well as
        CC_FLAG_S.

2011-02-03  Jakub Jelinek  <jakub@redhat.com>

        PR target/47312
        * expr.c (expand_expr_real_2) <case FMA_EXPR>: If target doesn't expand
        fma, expand FMA_EXPR as fma{,f,l} call.

        PR lto/47274
        * lto-streamer-out.c (write_symbol): When writing kind and visibility,
        copy them into a unsigned char variable and pass address of it to
        lto_output_data_stream.

        PR target/47564
        * toplev.c (target_reinit): Save and restore *crtl and regno_reg_rtx
        around backend_init_target and lang_dependent_init_target calls.
        * cgraphunit.c (cgraph_debug_gimple_stmt): New function.
        (verify_cgraph_node): Don't call set_cfun here.  Use
        cgraph_debug_gimple_stmt instead of debug_gimple_stmt.
        Set error_found for incorrectly represented calls to thunks.

2011-02-03  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/43092
        PR rtl-optimization/43494
        * rtl.h (for_each_inc_dec_fn): New type.
        (for_each_inc_dec): Declare.
        * rtlanal.c (struct for_each_inc_dec_ops): New type.
        (for_each_inc_dec_find_inc_dec): New fn.
        (for_each_inc_dec_find_mem): New fn.
        (for_each_inc_dec): New fn.
        * dse.c (struct insn_size): Remove.
        (replace_inc_dec, replace_inc_dec_mem): Remove.
        (emit_inc_dec_insn_before): New fn.
        (check_for_inc_dec): Use it, along with for_each_inc_dec.
        (canon_address): Pass mem modes to cselib_lookup.
        * cselib.h (cselib_lookup): Add memmode argument.  Adjust callers.
        (cselib_lookup_from_insn): Likewise.
        (cselib_subst_to_values): Likewise.
        * cselib.c (find_slot_memmode): New var.
        (cselib_find_slot): New fn.  Use it instead of
        htab_find_slot_with_hash everywhere.
        (entry_and_rtx_equal_p): Use find_slot_memmode.
        (autoinc_split): New fn.
        (rtx_equal_for_cselib_p): Rename and implement in terms of...
        (rtx_equal_for_cselib_1): ... this.  Take memmode, pass it on.
        Deal with autoinc.  Special-case recursion into MEMs.
        (cselib_hash_rtx): Likewise.
        (cselib_lookup_mem): Infer pmode from address mode.  Distinguish
        address and MEM modes.
        (cselib_subst_to_values): Add memmode, pass it on.
        Deal with autoinc.
        (cselib_lookup): Add memmode argument, pass it on.
        (cselib_lookup_from_insn): Add memmode.
        (cselib_invalidate_rtx): Discard obsolete push_operand handling.
        (struct cselib_record_autoinc_data): New.
        (cselib_record_autoinc_cb): New fn.
        (cselib_record_sets): Use it, along with for_each_inc_dec.  Pass MEM
        mode to cselib_lookup.  Reset autoinced REGs here instead of...
        (cselib_process_insn): ... here.
        * var-tracking.c (replace_expr_with_values, use_type): Pass MEM mode
        to cselib_lookup.
        (add_uses): Likewise, also to cselib_subst_to_values.
        (add_stores): Likewise.
        * sched-deps.c  (add_insn_mem_dependence): Pass mode to
        cselib_subst_to_values.
        (sched_analyze_1, sched_analyze_2): Likewise.  Adjusted.
        * gcse.c (do_local_cprop): Adjusted.
        * postreload.c (reload_cse_simplify_set): Adjusted.
        (reload_cse_simplify_operands): Adjusted.
        * sel-sched-dump (debug_mem_addr_value): Pass mode.

2011-02-03  Alexandre Oliva  <aoliva@redhat.com>

        PR tree-optimization/45122
        * tree-ssa-loop-niter.c (number_of_iterations_exit): Don't make
        unsafe assumptions when there's more than one loop exit.

2011-02-02  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/47272
        * doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions):
        Document using vector double with the load/store builtins, and
        that the load/store builtins always use Altivec instructions.

        * config/rs6000/vector.md (vector_altivec_load_<mode>): New insns
        to use altivec memory instructions, even on VSX.
        (vector_altivec_store_<mode>): Ditto.

        * config/rs6000/rs6000-protos.h (rs6000_address_for_altivec): New
        function.

        * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
        V2DF, V2DI support to load/store overloaded builtins.

        * config/rs6000/rs6000-builtin.def (ALTIVEC_BUILTIN_*): Add
        altivec load/store builtins for V2DF/V2DI types.

        * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
        set avoid indexed addresses on power6 if -maltivec.
        (altivec_expand_ld_builtin): Add V2DF, V2DI support, use
        vector_altivec_load/vector_altivec_store builtins.
        (altivec_expand_st_builtin): Ditto.
        (altivec_expand_builtin): Add VSX memory builtins.
        (rs6000_init_builtins): Add V2DI types to internal types.
        (altivec_init_builtins): Add support for V2DF/V2DI altivec
        load/store builtins.
        (rs6000_address_for_altivec): Insure memory address is appropriate
        for Altivec.

        * config/rs6000/vsx.md (vsx_load_<mode>): New expanders for
        vec_vsx_ld and vec_vsx_st.
        (vsx_store_<mode>): Ditto.

        * config/rs6000/rs6000.h (RS6000_BTI_long_long): New type
        variables to hold long long types for VSX vector memory builtins.
        (RS6000_BTI_unsigned_long_long): Ditto.
        (long_long_integer_type_internal_node): Ditti.
        (long_long_unsigned_type_internal_node): Ditti.

        * config/rs6000/altivec.md (UNSPEC_LVX): New UNSPEC.
        (altivec_lvx_<mode>): Make altivec_lvx use a mode iterator.
        (altivec_stvx_<mode>): Make altivec_stvx use a mode iterator.

        * config/rs6000/altivec.h (vec_vsx_ld): Define VSX memory builtin
        short cuts.
        (vec_vsx_st): Ditto.

2011-02-02  Joseph Myers  <joseph@codesourcery.com>

        * config/pa/pa-hpux10.opt: New.
        * config/hpux11.opt (pthread): New Driver option.
        * config/pa/pa-hpux.opt (nolibdld, rdynamic): New Driver options.
        * config.gcc (hppa[12]*-*-hpux10*): Use pa/pa-hpux10.opt.

2011-02-02  Joseph Myers  <joseph@codesourcery.com>

        * config/ia64/vms.opt: New.
        * config.gcc (ia64-hp-*vms*): Use ia64/vms.opt.

2011-02-01  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/47580
        * config/rs6000/vsx.md (vsx_float<VSi><mode>2): Use
        gpc_reg_operand instead of vsx_register_operand to match rs6000.md
        generator functions.
        (vsx_floatuns<VSi><mode>2): Ditto.
        (vsx_fix_trunc<mode><VSi>2): Ditto.
        (vsx_fixuns_trunc<mode><VSi>2): Ditto.

2011-02-02  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/djgpp.opt (posix): New Driver option.

2011-02-02  Gerald Pfeifer  <gerald@pfeifer.com>

        * config.gcc (*-*-freebsd[12], *-*-freebsd[12].*, *-*-freebsd*aout*):
        Move to the unsupported targets list.

2011-02-02  Peter Bergner  <bergner@vnet.ibm.com>

        PR rtl-optimization/47525
        * df-scan.c: Update copyright years.
        (df_get_call_refs): Do not mark global registers as DF_REF_REG_USE
        and non-clobber DF_REF_REG_DEF for calls to const and pure functions.

2011-02-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/i386/sysv4.h (TARGET_VERSION): Remove.
        (SUBTARGET_RETURN_IN_MEMORY): Remove.
        (ASM_OUTPUT_ASCII): Remove.
        * config/i386/sol2.h (SUBTARGET_RETURN_IN_MEMORY): Remove #undef.

2011-02-02  Jeff Law  <law@redhat.com>

        PR middle-end/47543
        * reload.c (find_reloads_address): Handle reg+d address where both
        components are invalid by reloading the entire address.

2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
            Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/40979
        PR bootstrap/47044
        * passes.c (init_optimization_passes): After LIM call copy_prop
        and DCE to clean up.
        * tree-ssa-loop.c (pass_graphite_transforms): Add TODO_dump_func.

2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/47576
        PR tree-optimization/47555
        * doc/invoke.texi (scev-max-expr-complexity): Documented.
        * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
        (PARAM_SCEV_MAX_EXPR_COMPLEXITY): Declared.
        * tree-scalar-evolution.c (follow_ssa_edge): Use
        PARAM_SCEV_MAX_EXPR_COMPLEXITY.

2011-02-02  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47566
        * builtins.c (builtin_save_expr): No SAVE_EXPR for SSA_NAMEs.

2011-02-02  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/47106
        PR debug/47402
        * tree-inline.c (declare_return_variable): Remove unused caller
        variable.

        PR debug/47106
        PR debug/47402
        * tree-flow-inline.h (clear_is_used, is_used_p): New.
        * cfgexpand.c (account_used_vars_for_block): Use them.
        * tree-nrv.c (tree_nrv): Likewise.
        * tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
        (dump_scope_block): Likewise.
        (remove_unused_locals): Likewise.

        PR debug/47106
        PR debug/47402
        * tree-inline.c (declare_return_variable): Add result decl to
        local decls only once.
        * gimple-low.c (record_vars_into): Mark newly-created variables
        as referenced.

2011-02-02  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/47498
        PR debug/47501
        PR debug/45136
        PR debug/45130
        * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
        debug insns.
        (no_real_insns_p, schedule_block, set_priorities): Drop special
        treatment of boundary debug insns.
        * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
        * sched-ebb.c (schedule_ebbs): Adjust skipping of debug insns.
        * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
        (BOUNDARY_DEBUG_INSN_P): Likewise.
        (SCHEDULE_DEBUG_INSN_P): Likewise.
        * sched-rgn.c (init_ready_list): Drop special treatment of
        boundary debug insns.
        * final.c (rest_of_clean_state): Clear notes' BB.

2011-02-01  Joseph Myers  <joseph@codesourcery.com>

        * config/openbsd.opt (assert=): New Driver option.

2011-02-01  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/nto.opt: New.
        * config.gcc (i[34567]86-*-nto-qnx*): Use i386/nto.opt.

2011-02-01  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/netware.opt: New.
        * config.gcc (i[3456x]86-*-netware*): Use i386/netware.opt.

2011-02-01  Joseph Myers  <joseph@codesourcery.com>

        * config/interix.opt (posix): New Driver option.

2011-02-01  DJ Delorie  <dj@redhat.com>

        * config/m32c/m32c.h (PTRDIFF_TYPE): Remove extra definition.

        * config/m32c/m32c.c (m32c_regno_reg_class): Return smallest reg
        class for A0/A1.

2011-02-01  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/47561
        * toplev.c (process_options): Print the Graphite flags.  Add
        flag_loop_flatten to the list of options requiring Graphite.

2011-02-01  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/cygming.opt (posix): New Driver option.

2011-02-01  Joseph Myers  <joseph@codesourcery.com>

        * config/arm/vxworks.opt: New.
        * config.gcc (arm-wrs-vxworks): Use arm/vxworks.opt.

2011-02-01  Joseph Myers  <joseph@codesourcery.com>

        * config/alpha/elf.opt: New.
        * config.gcc (alpha*-*-linux*, alpha*-*-gnu*, alpha*-*-freebsd*,
        alpha*-*-netbsd*, alpha*-*-openbsd*): Use alpha/elf.opt.

2011-02-01  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47559
        * tree-ssa-loop-im.c (can_sm_ref_p): Do not perform
        store-motion on references that can throw.

2011-02-01  Bernd Schmidt  <bernds@codesourcery.com>

        * tree-dump.c (dump_option_value_info): Add entry for TDF_CSELIB.
        * tree-pass.h (TDF_CSELIB): New macro.
        * cselib.c (new_cselib_val, expand_loc, cselib_expand_value_rtx_1,
        cselib_lookup): Check for it rather than for TDF_DETAILS.

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

        PR driver/47547
        * lto-wrapper.c (run_gcc): Don't add -dumpdir if linker_output
        is HOST_BIT_BUCKET.

        * opts.c (finish_options): Don't add x_aux_base_name if it is
        HOST_BIT_BUCKET.

2011-02-01  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47555
        Revert
        2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>

        * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.

2011-02-01  Sebastien Bourdeauducq  <sebastien@milkymist.org>

        PR gcc/46692
        * config/lm32/t-lm32: Add multilib for all CPU options.

2011-02-01  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47541
        * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
        sure to have a field at offset zero.

2011-01-31  Joseph Myers  <joseph@codesourcery.com>

        * config/arc/arc.opt (EB, EL): New Driver options.

2011-01-31  Joseph Myers  <joseph@codesourcery.com>

        * config/alpha/osf5.opt: New.
        * config.gcc (alpha*-dec-osf5.1*): Use alpha/osf5.opt.

2011-01-31  Joseph Myers  <joseph@codesourcery.com>

        * config/vms/vms.opt (map, mvms-return-codes): New Driver options.

2011-01-31  Sebastian Pop  <sebastian.pop@amd.com>

        * common.opt (ftree-loop-linear): Use Alias to make it an alias of
        -floop-interchange.
        * invoke.texi (-ftree-loop-linear): Make it clear that this flag
        is an alias of -floop-interchange and that it requires the
        Graphite infrastructure.
        * tree-ssa-loop.c (gate_graphite_transforms): Do not set
        flag_loop_interchange based on the value of flag_tree_loop_linear.

2011-01-31  Jakub Jelinek  <jakub@redhat.com>
            Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47538
        * tree-ssa-ccp.c (bit_value_binop_1): For uns computation use
        type instead of r1type, except for comparisons.  For right
        shifts and comparisons punt if there are mismatches in
        sizetype vs. non-sizetype types.

2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * doc/sourcebuild.texi (Effective-Target Keywords): Document
        avx_runtime.

2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac (gcc_cv_ld_eh_frame_hdr): Update minimal Sun ld
        version number.
        * configure: Regenerate.

2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac (gcc_cv_ld_static_option): Define.
        (gcc_cv_ld_dynamic_option): Define.
        (gcc_cv_ld_static_dynamic): Tru64 UNIX support -noso/-so_archive
        instead.
        (HAVE_LD_STATIC_DYNAMIC): Update message.
        (LD_STATIC_OPTION): Define.
        (LD_DYNAMIC_OPTION): Define.
        * configure: Regenerate.
        * config.in: Regenerate.
        * gcc.c (init_spec) [USE_LIBUNWIND_EXCEPTIONS &&
        HAVE_LD_STATIC_DYNAMIC]: Use them.

2011-01-31  Nick Clifton  <nickc@redhat.com>

        * config/rx/rx.c (rx_get_stack_layout): Only save call clobbered
        registers inside interrupt handlers if the handler is not a leaf
        function.

2011-01-31  Nick Clifton  <nickc@redhat.com>

        * config/mn10300/mn10300.c (mn10300_regno_in_class_p): Check for
        reg_renumber returning an INVALID_REGNUM.

2011-01-31  Alexandre Oliva  <aoliva@redhat.com>

        PR libgcj/44341
        * doc/install.texi: Document host options discarded when cross
        configuring target libraries.

2011-01-31  Alexandre Oliva  <aoliva@redhat.com>

        Reverted:
        2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
        PR debug/45136
        PR debug/45130
        * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
        debug insns.
        (no_real_insns_p, schedule_block, set_priorities): Drop special
        treatment of boundary debug insns.
        * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
        * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
        * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
        (BOUNDARY_DEBUG_INSN_P): Likewise.
        (SCHEDULE_DEBUG_INSN_P): Likewise.
        * sched-rgn.c (init_ready_list): Drop special treatment of
        boundary debug insns.
        * final.c (rest_of_clean-state): Clear notes' BB.

2011-01-31  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000.c (print_operand): Rearrange addends in
        toc relative expressions as we do in print_operand_address.

2011-01-30  Kazu Hirata  <kazu@codesourcery.com>

        * doc/extend.texi: Follow spelling conventions.
        * doc/invoke.texi: Fix a typo.

2011-01-30  Joseph Myers  <joseph@codesourcery.com>

        * config/hpux11.opt: New.
        * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*,
        ia64*-*-hpux*): Use hpux11.opt.

2011-01-30  Jonathan Yong  <jon_y@users.sourceforge.net>

        * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add t-dfprules
        to tmake_file.

2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (hppa-hp-hpux10): Remove references to HP
        support sites.

2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (Binaries): Remove outdated reference for
        Motorola 68HC11/68HC12 downloads.

2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/extend.texi (Thread-Local): Adjust reference to Ulrich
        Drepper's paper.

2011-01-29  Jonathan Wakely  <jwakely.gcc@gmail.com>

        PR bootstrap/47147
        * ginclude/stddef.h: Check for _X86_64_ANSI_H_ and _I386_ANSI_H_ as
        used by NetBSD.

2011-01-28  Ahmad Sharif  <asharif@google.com>

        * value-prof.c (check_counter): Corrected error message.

2011-01-29  Jie Zhang  <jie@codesourcery.com>

        * config/arm/arm.c (arm_legitimize_reload_address): New.
        * config/arm/arm.h (ARM_LEGITIMIZE_RELOAD_ADDRESS): Use
        arm_legitimize_reload_address.
        * config/arm/arm-protos.h (arm_legitimize_reload_address): Declare.

2011-01-28  Ian Lance Taylor  <iant@google.com>

        * godump.c (go_define): Ignore macros whose definitions include
        two adjacent operands.

2011-01-28  Jakub Jelinek  <jakub@redhat.com>

        PR target/42894
        * varasm.c (force_const_mem): Store copy of x in desc->constant
        instead of x itself.
        * expr.c (emit_move_insn): Add a copy of y_cst instead of y_cst
        itself into REG_EQUAL note.

2011-01-28  Joseph Myers  <joseph@codesourcery.com>

        * config/freebsd.opt (posix, rdynamic): New Driver options.

2011-01-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac (gcc_cv_ld_static_dynamic): IRIX 6 ld supports
        -Bstatic/-Bdynamic.
        * configure: Regenerate.

2011-01-27  Joseph Myers  <joseph@codesourcery.com>

        * config/rs6000/sysv4.h (LIB_NETBSD_SPEC): Don't handle -profile.
        * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -profile.

2011-01-27  Anatoly Sokolov  <aesok@post.ru>

        * config/s390/s390.h (PREFERRED_RELOAD_CLASS): Remove.
        * config/s390/s390-protos.h (s390_preferred_reload_class): Remove.
        * config/s390/s390.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
        (s390_preferred_reload_class): Make static. Change return and
        'rclass' argument type to reg_class_t.

2011-01-27  Jan Hubicka  <jh@suse.cz>

        PR middle-end/46949
        * cgraphunit.c (process_common_attributes): Fix use of remove_attribute.
        (process_function_and_variable_attributes): Check defined weakrefs.

2011-01-27  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/47228
        * tree-sra.c (sra_modify_assign): Use build_ref_for_model instead of
        build_ref_for_offset.

2011-01-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu-elf.h (ASM_SPEC): Remove.

2011-01-26  Mikael Pettersson  <mikpe@it.uu.se>

        PR rtl-optimization/46856
        * postreload.c (reload_combine_recognize_const_pattern): Do not
        separate cc0 setter and user on cc0 targets.

2011-01-26  Nicola Pero  <nicola.pero@meta-innovation.com>

        PR c/43082
        * c-typeck.c (c_objc_common_truthvalue_conversion): If we are
        passed a VOID_TYPE expression, immediately emit an error and
        return error_mark_node.

2011-01-26  Jeff Law  <law@redhat.com>

        PR rtl-optimization/47464
        * df-problems.c (can_move_insn_across): Use may_trap_or_fault_p
        rather than may_trap_p as needed.

2011-01-26  DJ Delorie  <dj@redhat.com>

        PR rtl-optimization/46878
        * combine.c (insn_a_feeds_b): Check for the implicit cc0
        setter/user dependency as well.

2011-01-26  Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/44469
        * cfgcleanup.c (try_optimize_cfg): Iterate in CFG layout mode too
        after removing trivially dead basic blocks.

2011-01-26  Joseph Myers  <joseph@codesourcery.com>

        * config/bfin/bfin.h (LINK_SPEC): Remove %{Qy:} %{!Qn:-Qy}.
        * config/frv/frv.h (LINK_SPEC): Likewise.
        * config/i386/netware.h (LINK_SPEC): Likewise.
        * config/m68k/linux.h (ASM_SPEC): Likewise.
        * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
        * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
        * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
        * config/sparc/linux.h (ASM_SPEC): Likewise.
        * config/sparc/linux64.h (ASM_SPEC): Likewise.
        * config/sparc/sp-elf.h (ASM_SPEC): Likewise.

2011-01-26  Joseph Myers  <joseph@codesourcery.com>

        * config/bfin/bfin.h (ASM_SPEC): Remove %{Ym,*}.
        * config/frv/frv.h (ASM_SPEC): Likewise.
        * config/m68k/linux.h (ASM_SPEC): Likewise.
        * config/pa/pa-linux.h (ASM_SPEC): Likewise.
        * config/rs6000/linux64.h (ASM_SPEC): Likewise.
        * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
        * config/sparc/linux.h (ASM_SPEC): Likewise.
        * config/sparc/linux64.h (ASM_SPEC): Likewise.
        * config/sparc/sp-elf.h (ASM_SPEC): Likewise.

2011-01-26  Joseph Myers  <joseph@codesourcery.com>

        * config/bfin/bfin.h (LINK_SPEC): Remove %{YP,*}.
        * config/frv/frv.h (LINK_SPEC): Likewise.
        * config/rs6000/sysv4.h (LINK_SPEC): Likewise.

2011-01-26  Joseph Myers  <joseph@codesourcery.com>

        * config/bfin/bfin.h (ASM_SPEC): Remove %{Yd,*}.
        * config/frv/frv.h (ASM_SPEC): Likewise.
        * config/i386/sol2-10.h (ASM_SPEC): Likewise.
        * config/m68k/linux.h (ASM_SPEC): Likewise.
        * config/pa/pa-linux.h (ASM_SPEC): Likewise.
        * config/rs6000/linux64.h (ASM_SPEC32): Likewise.
        * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
        * config/sol2.h (ASM_SPEC): Remove comment about -Yd,.
        * config/sparc/linux.h (ASM_SPEC): Likewise.
        * config/sparc/linux64.h (ASM_SPEC): Likewise.
        * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
        * config/sparc/sysv4.h (ASM_SPEC): Remove %{Yd,*}.

2011-01-26  Steve Ellcey  <sje@cup.hp.com>

        PR target/46997
        * config/ia64/vect.md (mulv2si3): Enable and fix for TARGET_BIG_ENDIAN.
        (*mux2): Ditto.
        (vec_extract_evenodd_help): Ditto.
        (vec_extract_evenv4hi): Ditto.
        (vec_extract_oddv4hi): Ditto.
        (vec_interleave_lowv2si): Ditto.
        (vec_interleave_highv2si): Ditto.
        (vec_extract_evenv2si): Ditto.
        (vec_extract_oddv2si: Ditto.
        (vec_pack_trunc_v2si): Ditto.

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

        PR target/47237
        * cgraph.h (cgraph_local_info): New field can_change_signature.
        * ipa-cp.c (ipcp_update_callgraph): Only compute args_to_skip if callee
        signature can change.
        (ipcp_estimate_growth): Call sequence simplify only if calle signature
        can change.
        (ipcp_insert_stage): Only compute args_to_skip if signature can change.
        (cgraph_function_versioning): We can not change signature of functions
        that don't allow that.
        * lto-cgraph.c (lto_output_node): Stream local.can_change_signature.
        (lto_input_node): Likewise.
        * ipa-inline.c (compute_inline_parameters): Compute
        local.can_change_signature.
        * ipa-split.c (visit_bb): Never split away APPLY_ARGS.
        * tree-sra.c (ipa_sra_preliminary_function_checks): Give up on
        functions that can not change signature.
        * i386.c (ix86_function_regparm, ix86_function_sseregparm,
        init_cumulative_args): Do not use local calling conventions
        for functions that can not change signature.

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

        * doc/invoke.texi (hot-bb-frequency-fraction): Commit forgotten hunk.

2011-01-26  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47190
        * cgraphunit.c (process_common_attributes): New function.
        (process_function_and_variable_attributes): Use it.

2011-01-26  Richard Guenther  <rguenther@suse.de>

        PR lto/47423
        * cgraphbuild.c (record_eh_tables): Record reference to personality
        function.

2011-01-26  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/45454
        * sel-sched.c (moveup_expr): Don't let debug insns prevent
        non-debug insns from moving up.

2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>

        PR target/40125
        * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Select suitable
        t-dlldir{,-x} fragment for build and add it to tmake_file.
        (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
        * Makefile.in (libgcc.mvars): Also export SHLIB_DLLDIR to libgcc.
        * config/i386/t-dlldir: New file.
        (SHLIB_DLLDIR): Define.
        * config/i386/t-dlldir-x: New file.
        (SHLIB_DLLDIR): Define.
        * config/i386/t-cygming: Error out if SHLIB_DLLDIR is not set.
        (SHLIB_INSTALL): Use it.

2011-01-26  Chung-Lin Tang  <cltang@codesourcery.com>

        PR target/47246
        * config/arm/arm.c (thumb2_legitimate_index_p): Change the
        lower bound of the allowed Thumb-2 coprocessor load/store
        index range to -256. Add explaining comment.

2011-01-25  Ian Lance Taylor  <iant@google.com>

        * godump.c (go_define): Improve lexing of macro expansion to only
        accept expressions which match Go spec.

2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>

        PR c++/43601
        * tree.c (handle_dll_attribute): Handle it.
        * doc/extend.texi (@item dllexport): Mention it.
        * doc/invoke.texi (@item -fno-keep-inline-dllexport): Document it.

2011-01-25  Ian Lance Taylor  <iant@google.com>

        PR tree-optimization/26854
        * c-decl.c (struct c_scope): Add field has_jump_unsafe_decl.
        (decl_jump_unsafe): Move higher in file, with no other change.
        (bind): Set has_jump_unsafe_decl if appropriate.
        (update_label_decls): Test has_jump_unsafe_decl to avoid loop.
        (check_earlier_gotos): Likewise.
        (c_check_switch_jump_warnings): Likewise.

2011-01-25  Jonathan Wakely  <jwakely.gcc@gmail.com>

        * doc/invoke.texi (Warning Options): Add missing hyphen.
        (-fprofile-dir): Minor grammatical fixes.
        (-fbranch-probabilities): Likewise.

2011-01-25  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/45136
        PR debug/45130
        * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
        debug insns.
        (no_real_insns_p, schedule_block, set_priorities): Drop special
        treatment of boundary debug insns.
        * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
        * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
        * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
        (BOUNDARY_DEBUG_INSN_P): Likewise.
        (SCHEDULE_DEBUG_INSN_P): Likewise.
        * sched-rgn.c (init_ready_list): Drop special treatment of
        boundary debug insns.
        * final.c (rest_of_clean-state): Clear notes' BB.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * Makefile.in (LAMBDA_H): Removed.
        (TREE_DATA_REF_H): Remove dependence on LAMBDA_H.
        (OBJS-common): Remove dependence on lambda-code.o, lambda-mat.o,
        lambda-trans.o, and tree-loop-linear.o.
        (lto-symtab.o): Remove dependence on LAMBDA_H.
        (tree-loop-linear.o): Remove rule.
        (lambda-mat.o): Same.
        (lambda-trans.o): Same.
        (lambda-code.o): Same.
        (tree-vect-loop.o): Add missing dependence on TREE_DATA_REF_H.
        (tree-vect-slp.o): Same.
        * hwint.h (gcd): Moved here.
        (least_common_multiple): Same.
        * lambda-code.c: Removed.
        * lambda-mat.c: Removed.
        * lambda-trans.c: Removed.
        * lambda.h: Removed.
        * tree-loop-linear.c: Removed.
        * lto-symtab.c: Do not include lambda.h.
        * omega.c (gcd): Removed.
        * passes.c (init_optimization_passes): Remove pass_linear_transform.
        * tree-data-ref.c (print_lambda_vector): Moved here.
        (lambda_vector_copy): Same.
        (lambda_matrix_copy): Same.
        (lambda_matrix_id): Same.
        (lambda_vector_first_nz): Same.
        (lambda_matrix_row_add): Same.
        (lambda_matrix_row_exchange): Same.
        (lambda_vector_mult_const): Same.
        (lambda_vector_negate): Same.
        (lambda_matrix_row_negate): Same.
        (lambda_vector_equal): Same.
        (lambda_matrix_right_hermite): Same.
        * tree-data-ref.h: Do not include lambda.h.
        (lambda_vector): Moved here.
        (lambda_matrix): Same.
        (dependence_level): Same.
        (lambda_transform_legal_p): Removed declaration.
        (lambda_collect_parameters): Same.
        (lambda_compute_access_matrices): Same.
        (lambda_vector_gcd): Same.
        (lambda_vector_new): Same.
        (lambda_vector_clear): Same.
        (lambda_vector_lexico_pos): Same.
        (lambda_vector_zerop): Same.
        (lambda_matrix_new): Same.
        * tree-flow.h (least_common_multiple): Removed declaration.
        * tree-parloops.c (lambda_trans_matrix): Moved here.
        (LTM_MATRIX): Same.
        (LTM_ROWSIZE): Same.
        (LTM_COLSIZE): Same.
        (LTM_DENOMINATOR): Same.
        (lambda_trans_matrix_new): Same.
        (lambda_matrix_vector_mult): Same.
        (lambda_transform_legal_p): Same.
        * tree-pass.h (pass_linear_transform): Removed declaration.
        * tree-ssa-loop.c (tree_linear_transform): Removed.
        (gate_tree_linear_transform): Removed.
        (pass_linear_transform): Removed.
        (gate_graphite_transforms): Make flag_tree_loop_linear an alias of
        flag_loop_interchange.

2011-01-25  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/47265
        PR tree-optimization/47443
        * tree-ssa-forwprop.c (forward_propagate_addr_expr): Return false
        if name still has some uses.

2011-01-25  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/47382
        * gimple-fold.c (gimple_fold_obj_type_ref_call): Removed.
        (gimple_fold_call): Do not call gimple_fold_obj_type_ref_call.

2011-01-25  Joel Sherrill  <joel.sherrill@oarcorp.com>

        * config/m32r/m32r.c: Define TARGET_EXCEPT_UNWIND_INFO to
        sjlj_except_unwind_info.

2011-01-25  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47426
        * tree-ssa-structalias.c (ipa_pta_execute): Make externally
        visible functions results escape.

2011-01-25  Jakub Jelinek  <jakub@redhat.com>

        PR target/45701
        * config/arm/arm.c (any_sibcall_uses_r3): New function.
        (arm_get_frame_offsets): Use it.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/47271
        * tree-if-conv.c (bb_postdominates_preds): New.
        (if_convertible_bb_p): Call bb_postdominates_preds.
        (if_convertible_loop_p_1): Compute CDI_POST_DOMINATORS.
        (predicate_scalar_phi): Call bb_postdominates_preds.

2011-01-25  Nick Clifton  <nickc@redhat.com>

        * config/rx/rx.h (LIBCALL_VALUE): Do not promote complex types.
        * config/rx/rx.c (rx_function_value): Likewise.
        (rx_promote_function_mode): Likewise.
        (gen_safe_add): Place an outsized immediate value inside an UNSPEC
        in order to make it legitimate.
        * config/rx/rx.md (adddi3_internal): If the second operand is a MEM
        make sure that the first operand is the same as the result register.
        (addsi3_unspec): Delete.
        (subdi3): Do not accept immediate operands.
        (subdi3_internal): Likewise.

2011-01-25  Jeff Law  <law@redhat.com>

        PR rtl-optimization/37273
        * ira-costs.c (scan_one_insn): Detect constants living in memory and
        handle them like argument loads from stack slots.  Do not double
        count memory for memory constants and argument loads from stack slots.

2011-01-25  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/47427
        PR tree-optimization/47428
        * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
        coalesce if the new root var would be TREE_READONLY.

2011-01-25  Richard Guenther  <rguenther@suse.de>

        PR middle-end/47414
        * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Use the
        correct type for TBAA.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (dr_indices_valid_in_loop): New.
        (close_phi_written_to_memory): Call for_each_index with
        dr_indices_valid_in_loop.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (new_pbb_from_pbb): Only copy PBB_DOMAIN
        when it is initialized.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-scop-detection.c (stmt_has_simple_data_refs_p): Update
        call to graphite_find_data_references_in_stmt.
        * graphite-sese-to-poly.c (outermost_loop_in_sese_1): New.
        (try_generate_gimple_bb): Call outermost_loop_in_sese_1.  Update
        call to graphite_find_data_references_in_stmt.
        (analyze_drs_in_stmts): Same.
        * tree-data-ref.c (dr_analyze_indices): Pass in parameter the loop
        in which the scalar analysis of indices is performed.
        (create_data_ref): Same.  Update call to dr_analyze_indices.
        (find_data_references_in_stmt): Update call to create_data_ref.
        (graphite_find_data_references_in_stmt): Same.
        * tree-data-ref.h (graphite_find_data_references_in_stmt): Update
        declaration.
        (create_data_ref): Same.
        * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Update
        call to create_data_ref.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (build_poly_scop): Move
        rewrite_commutative_reductions_out_of_ssa before find_scop_parameters.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (close_phi_written_to_memory): Also allow
        VAR_DECL, PARM_DECL, and RESULT_DECL.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (reduction_dr_1): Allow several reductions
        in a reduction PBB.
        * graphite-sese-to-poly.c (split_reduction_stmt): Do not split PBBs
        that have already been marked as PBB_IS_REDUCTION.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-scop-detection.c (same_close_phi_node): New.
        (remove_duplicate_close_phi): New.
        (make_close_phi_nodes_unique): New.
        (canonicalize_loop_closed_ssa): Call make_close_phi_nodes_unique.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (new_poly_ddr): Call same_pdr_p.
        * graphite-poly.h (same_pdr_p): Do not expect that the PDR_TYPE
        of both data references to be the same.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (build_lexicographical_constraint): Remove
        the gdim parameter.
        (build_lexicographical_constraint): Adjust call to
        ppl_powerset_is_empty.
        (dependence_polyhedron): Same.
        (graphite_legal_transform_dr): Same.
        (graphite_carried_dependence_level_k): Same.
        * graphite-ppl.c (ppl_powerset_is_empty): Remove the nb_params
        parameter.
        * graphite-ppl.h (ppl_powerset_is_empty): Adjust declaration.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c
        (translate_scalar_reduction_to_array_for_stmt): Call unshare_expr.
        (close_phi_written_to_memory): New.
        (translate_scalar_reduction_to_array): Call close_phi_written_to_memory
        and unshare_expr.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * doc/install.texi: Update the expected version number of PPL to 0.11.
        * graphite-ppl.c (ppl_powerset_is_empty): Remove now dead code under
        #if PPL_VERSION_MINOR < 11.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c: Include graphite-cloog-util.h.
        (new_poly_ddr): Inlined into dependence_polyhedron.
        (free_poly_ddr): Moved close by new_poly_ddr.
        (dependence_polyhedron_1): Renamed dependence_polyhedron.
        Early return NULL when ppl_powerset_is_empty returns true.
        (dependence_polyhedron): Renamed new_poly_ddr.  Call only once
        poly_drs_may_alias_p.  Avoid one call to ppl_powerset_is_empty.
        (graphite_legal_transform_dr): Call new_poly_ddr.
        (graphite_carried_dependence_level_k): Same.
        (dot_original_deps_stmt_1): Renamed dot_deps_stmt_2.  Use new_poly_ddr.
        (dot_transformed_deps_stmt_1): Removed.
        (dot_deps_stmt_1): Call dot_deps_stmt_2.
        (dot_original_deps): Renamed dot_deps_2.  Call new_poly_ddr.
        (dot_deps_1): Call dot_deps_2.
        * Makefile.in (graphite-dependences.o): Add missing dependence on
        graphite-cloog-util.h.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (new_poly_dr): Call ppl_powerset_is_empty.
        (build_lexicographical_constraint): Same.
        (dependence_polyhedron_1): Same.
        (graphite_legal_transform_dr): Same.
        (graphite_carried_dependence_level_k): Same.
        * graphite-ppl.c (ppl_powerset_is_empty): New.
        * graphite-ppl.h (ppl_powerset_is_empty): Declared.
        * tree-data-ref.c (dump_data_reference): Print the basic block index.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (build_pairwise_scheduling): Correctly compute
        the "a followed by b" relation and document it.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (build_lexicographical_constraint): Stop the
        iteration when the bag of constraints is empty.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (pbb_remove_duplicate_pdrs): Make it work.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-interchange.c (lst_interchange_profitable_p): Takes a loop
        nest and two loop depths as parameters.
        (lst_try_interchange_loops): Call lst_interchange_profitable_p after
        lst_perfect_nestify.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (print_pddr): Call
        ppl_io_fprint_Pointset_Powerset_C_Polyhedron.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-ppl.c (debug_gmp_value): New.
        * graphite-ppl.h (debug_gmp_value): Declared.

2011-01-25  Tobias Grosser  <grosser@fim.uni-passau.de>

        * doc/install.texi: Document availability of cloog-0.16.

2011-01-25  Vladimir Kargov  <kargov@gmail.com>

        * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Free
        invalid postdominance info.

2011-01-24  Jan Hubicka  <jh@suse.cz>

        PR c/21659
        * doc/extend.texi (weak pragma): Drop claim that it must
        appear before definition.
        * varasm.c (merge_weak, declare_weak): Only sanity check
        that DECL is not output at a time it is declared weak.

2011-01-24  Kenneth Zadeck  <zadeck@naturalbridge.com>

        * machmode.def: Fixed comments.

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 UNSPEC 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  Mike Stump  <mikestump@comcast.net>

        * doc/tm.texi.in (BRANCH_COST): Englishify.
        * doc/tm.texi (BRANCH_COST): Likewise.

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.

Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved.